diff options
1286 files changed, 15479 insertions, 9382 deletions
diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs index d20f19e60e8..353bfcb6ac1 100644 --- a/.git-blame-ignore-revs +++ b/.git-blame-ignore-revs @@ -1,3 +1,5 @@ +# Use `git config blame.ignorerevsfile .git-blame-ignore-revs` to make `git blame` ignore the following commits. + # format the world a06baa56b95674fc626b3c3fd680d6a65357fe60 # format libcore diff --git a/Cargo.lock b/Cargo.lock index 6a1525f7530..3ffa9e590f4 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -90,15 +90,6 @@ dependencies = [ [[package]] name = "ansi_term" -version = "0.11.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b" -dependencies = [ - "winapi", -] - -[[package]] -name = "ansi_term" version = "0.12.1" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2" @@ -390,7 +381,6 @@ dependencies = [ "os_info", "pasetors", "pathdiff", - "percent-encoding", "pretty_env_logger", "rustc-workspace-hack", "rustfix", @@ -782,7 +772,7 @@ dependencies = [ "declare_clippy_lint", "if_chain", "itertools", - "pulldown-cmark 0.9.2", + "pulldown-cmark", "quine-mc_cluskey", "regex-syntax", "rustc-semver", @@ -891,11 +881,11 @@ dependencies = [ "diff", "getopts", "glob", - "lazy_static", "lazycell", "libc", - "miow 0.3.7", + "miow 0.5.0", "miropt-test-tools", + "once_cell", "regex", "rustfix", "serde", @@ -1217,12 +1207,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8" [[package]] -name = "difference" -version = "2.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198" - -[[package]] name = "digest" version = "0.10.6" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1379,6 +1363,15 @@ dependencies = [ ] [[package]] +name = "elsa" +version = "1.8.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "f74077c3c3aedb99a2683919698285596662518ea13e5eedcf8bdd43b0d0453b" +dependencies = [ + "stable_deref_trait", +] + +[[package]] name = "ena" version = "0.14.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -2555,7 +2548,7 @@ dependencies = [ "memchr", "once_cell", "opener", - "pulldown-cmark 0.9.2", + "pulldown-cmark", "regex", "serde", "serde_json", @@ -2572,7 +2565,7 @@ dependencies = [ "anyhow", "handlebars 3.5.5", "pretty_assertions", - "pulldown-cmark 0.7.2", + "pulldown-cmark", "same-file", "serde_json", "url", @@ -3184,14 +3177,14 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c" [[package]] name = "pretty_assertions" -version = "0.6.1" +version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427" +checksum = "a25e9bcb20aa780fd0bb16b72403a9064d6b3f22f026946029acb941a50af755" dependencies = [ - "ansi_term 0.11.0", "ctor", - "difference", + "diff", "output_vt100", + "yansi", ] [[package]] @@ -3271,17 +3264,6 @@ dependencies = [ [[package]] name = "pulldown-cmark" -version = "0.7.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ca36dea94d187597e104a5c8e4b07576a8a45aa5db48a65e12940d3eb7461f55" -dependencies = [ - "bitflags", - "memchr", - "unicase", -] - -[[package]] -name = "pulldown-cmark" version = "0.9.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "2d9cc634bc78768157b5cbfe988ffcd1dcba95cd2b2f03a88316c08c6d00ed63" @@ -3700,6 +3682,7 @@ dependencies = [ "rustc_session", "rustc_span", "rustc_target", + "thin-vec", "tracing", ] @@ -3709,6 +3692,7 @@ version = "0.0.0" dependencies = [ "rustc_ast", "rustc_span", + "thin-vec", ] [[package]] @@ -3893,6 +3877,7 @@ dependencies = [ "arrayvec 0.7.0", "bitflags", "cfg-if", + "elsa", "ena", "indexmap", "jobserver", @@ -3929,26 +3914,47 @@ version = "0.0.0" dependencies = [ "libc", "rustc_ast", + "rustc_ast_lowering", + "rustc_ast_passes", "rustc_ast_pretty", + "rustc_attr", + "rustc_borrowck", + "rustc_builtin_macros", "rustc_codegen_ssa", + "rustc_const_eval", "rustc_data_structures", "rustc_error_codes", + "rustc_error_messages", "rustc_errors", + "rustc_expand", "rustc_feature", "rustc_hir", "rustc_hir_analysis", "rustc_hir_pretty", + "rustc_hir_typeck", + "rustc_incremental", + "rustc_infer", "rustc_interface", "rustc_lint", "rustc_log", "rustc_macros", "rustc_metadata", "rustc_middle", + "rustc_mir_build", + "rustc_mir_dataflow", + "rustc_monomorphize", "rustc_parse", + "rustc_passes", "rustc_plugin_impl", + "rustc_privacy", + "rustc_query_system", + "rustc_resolve", "rustc_session", "rustc_span", + "rustc_symbol_mangling", "rustc_target", + "rustc_trait_selection", + "rustc_ty_utils", "serde_json", "tracing", "winapi", @@ -4082,6 +4088,7 @@ dependencies = [ "rustc_trait_selection", "rustc_type_ir", "smallvec", + "thin-vec", "tracing", ] @@ -4138,6 +4145,7 @@ dependencies = [ "rustc_serialize", "rustc_session", "rustc_span", + "thin-vec", "tracing", ] @@ -4191,6 +4199,7 @@ dependencies = [ "rustc_hir_analysis", "rustc_hir_typeck", "rustc_incremental", + "rustc_index", "rustc_lint", "rustc_macros", "rustc_metadata", @@ -4583,7 +4592,7 @@ name = "rustc_resolve" version = "0.0.0" dependencies = [ "bitflags", - "pulldown-cmark 0.9.2", + "pulldown-cmark", "rustc_arena", "rustc_ast", "rustc_ast_pretty", @@ -4836,7 +4845,6 @@ dependencies = [ "serde_json", "smallvec", "tempfile", - "thin-vec", "tracing", "tracing-subscriber", "tracing-tree", @@ -5512,9 +5520,9 @@ checksum = "b1141d4d61095b28419e22cb0bbf02755f5e54e0526f97f1e3d1d160e60885fb" [[package]] name = "thin-vec" -version = "0.2.9" +version = "0.2.12" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ceb05e71730d396f960f8f3901cdb41be2d339b303e9d7d3a07c5ff0536e671b" +checksum = "aac81b6fd6beb5884b0cf3321b8117e6e5d47ecb6fc89f414cfdcca8b2fe2dd8" [[package]] name = "thiserror" @@ -5759,7 +5767,7 @@ version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "245da694cc7fc4729f3f418b304cb57789f1bed2a78c575407ab8a23f53cb4d3" dependencies = [ - "ansi_term 0.12.1", + "ansi_term", "lazy_static", "matchers", "parking_lot 0.11.2", @@ -5778,7 +5786,7 @@ version = "0.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "3ce989c9962c7f61fe084dd4a230eec784649dfc2392467c790007c3a6e134e7" dependencies = [ - "ansi_term 0.12.1", + "ansi_term", "atty", "tracing-core", "tracing-log", diff --git a/compiler/rustc_abi/src/lib.rs b/compiler/rustc_abi/src/lib.rs index c88a60c62b9..aa3a666b0b2 100644 --- a/compiler/rustc_abi/src/lib.rs +++ b/compiler/rustc_abi/src/lib.rs @@ -171,7 +171,9 @@ pub struct TargetDataLayout { pub instruction_address_space: AddressSpace, - /// Minimum size of #[repr(C)] enums (default I32 bits) + /// Minimum size of #[repr(C)] enums (default c_int::BITS, usually 32) + /// Note: This isn't in LLVM's data layout string, it is `short_enum` + /// so the only valid spec for LLVM is c_int::BITS or 8 pub c_enum_min_size: Integer, } diff --git a/compiler/rustc_ast/Cargo.toml b/compiler/rustc_ast/Cargo.toml index 10d7fa1db60..f0632ac92e9 100644 --- a/compiler/rustc_ast/Cargo.toml +++ b/compiler/rustc_ast/Cargo.toml @@ -15,5 +15,5 @@ rustc_macros = { path = "../rustc_macros" } rustc_serialize = { path = "../rustc_serialize" } rustc_span = { path = "../rustc_span" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index f2258fecfea..03c375c4666 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -209,7 +209,7 @@ pub struct AngleBracketedArgs { /// The overall span. pub span: Span, /// The comma separated parts in the `<...>`. - pub args: Vec<AngleBracketedArg>, + pub args: ThinVec<AngleBracketedArg>, } /// Either an argument for a parameter e.g., `'a`, `Vec<u8>`, `0`, @@ -253,7 +253,7 @@ pub struct ParenthesizedArgs { pub span: Span, /// `(A, B)` - pub inputs: Vec<P<Ty>>, + pub inputs: ThinVec<P<Ty>>, /// ```text /// Foo(A, B) -> C @@ -384,7 +384,7 @@ impl GenericParam { /// a function, enum, trait, etc. #[derive(Clone, Encodable, Decodable, Debug)] pub struct Generics { - pub params: Vec<GenericParam>, + pub params: ThinVec<GenericParam>, pub where_clause: WhereClause, pub span: Span, } @@ -392,7 +392,7 @@ pub struct Generics { impl Default for Generics { /// Creates an instance of `Generics`. fn default() -> Generics { - Generics { params: Vec::new(), where_clause: Default::default(), span: DUMMY_SP } + Generics { params: ThinVec::new(), where_clause: Default::default(), span: DUMMY_SP } } } @@ -403,13 +403,13 @@ pub struct WhereClause { /// if we parsed no predicates (e.g. `struct Foo where {}`). /// This allows us to pretty-print accurately. pub has_where_token: bool, - pub predicates: Vec<WherePredicate>, + pub predicates: ThinVec<WherePredicate>, pub span: Span, } impl Default for WhereClause { fn default() -> WhereClause { - WhereClause { has_where_token: false, predicates: Vec::new(), span: DUMMY_SP } + WhereClause { has_where_token: false, predicates: ThinVec::new(), span: DUMMY_SP } } } @@ -441,7 +441,7 @@ impl WherePredicate { pub struct WhereBoundPredicate { pub span: Span, /// Any generics from a `for` binding. - pub bound_generic_params: Vec<GenericParam>, + pub bound_generic_params: ThinVec<GenericParam>, /// The type being bounded. pub bounded_ty: P<Ty>, /// Trait and lifetime bounds (`Clone + Send + 'static`). @@ -471,7 +471,7 @@ pub struct WhereEqPredicate { #[derive(Clone, Encodable, Decodable, Debug)] pub struct Crate { pub attrs: AttrVec, - pub items: Vec<P<Item>>, + pub items: ThinVec<P<Item>>, pub spans: ModSpans, /// Must be equal to `CRATE_NODE_ID` after the crate root is expanded, but may hold /// expansion placeholders or an unassigned value (`DUMMY_NODE_ID`) before that. @@ -503,7 +503,7 @@ pub enum MetaItemKind { /// List meta item. /// /// E.g., `#[derive(..)]`, where the field represents the `..`. - List(Vec<NestedMetaItem>), + List(ThinVec<NestedMetaItem>), /// Name value meta item. /// @@ -531,7 +531,7 @@ pub enum NestedMetaItem { #[derive(Clone, Encodable, Decodable, Debug)] pub struct Block { /// The statements in the block. - pub stmts: Vec<Stmt>, + pub stmts: ThinVec<Stmt>, pub id: NodeId, /// Distinguishes between `unsafe { ... }` and `{ ... }`. pub rules: BlockCheckMode, @@ -581,7 +581,7 @@ impl Pat { // A tuple pattern `(P0, .., Pn)` can be reparsed as `(T0, .., Tn)` // assuming `T0` to `Tn` are all syntactically valid as types. PatKind::Tuple(pats) => { - let mut tys = Vec::with_capacity(pats.len()); + let mut tys = ThinVec::with_capacity(pats.len()); // FIXME(#48994) - could just be collected into an Option<Vec> for pat in pats { tys.push(pat.to_ty()?); @@ -722,14 +722,14 @@ pub enum PatKind { /// A struct or struct variant pattern (e.g., `Variant {x, y, ..}`). /// The `bool` is `true` in the presence of a `..`. - Struct(Option<P<QSelf>>, Path, Vec<PatField>, /* recovered */ bool), + Struct(Option<P<QSelf>>, Path, ThinVec<PatField>, /* recovered */ bool), /// A tuple struct/variant pattern (`Variant(x, y, .., z)`). - TupleStruct(Option<P<QSelf>>, Path, Vec<P<Pat>>), + TupleStruct(Option<P<QSelf>>, Path, ThinVec<P<Pat>>), /// An or-pattern `A | B | C`. /// Invariant: `pats.len() >= 2`. - Or(Vec<P<Pat>>), + Or(ThinVec<P<Pat>>), /// A possibly qualified path pattern. /// Unqualified path patterns `A::B::C` can legally refer to variants, structs, constants @@ -738,7 +738,7 @@ pub enum PatKind { Path(Option<P<QSelf>>, Path), /// A tuple pattern (`(a, b)`). - Tuple(Vec<P<Pat>>), + Tuple(ThinVec<P<Pat>>), /// A `box` pattern. Box(P<Pat>), @@ -753,7 +753,7 @@ pub enum PatKind { Range(Option<P<Expr>>, Option<P<Expr>>, Spanned<RangeEnd>), /// A slice pattern `[a, b, c]`. - Slice(Vec<P<Pat>>), + Slice(ThinVec<P<Pat>>), /// A rest pattern `..`. /// @@ -1169,7 +1169,7 @@ impl Expr { pub fn to_bound(&self) -> Option<GenericBound> { match &self.kind { ExprKind::Path(None, path) => Some(GenericBound::Trait( - PolyTraitRef::new(Vec::new(), path.clone(), self.span), + PolyTraitRef::new(ThinVec::new(), path.clone(), self.span), TraitBoundModifier::None, )), _ => None, @@ -1204,7 +1204,7 @@ impl Expr { ExprKind::Array(exprs) if exprs.len() == 1 => exprs[0].to_ty().map(TyKind::Slice)?, ExprKind::Tup(exprs) => { - let tys = exprs.iter().map(|expr| expr.to_ty()).collect::<Option<Vec<_>>>()?; + let tys = exprs.iter().map(|expr| expr.to_ty()).collect::<Option<ThinVec<_>>>()?; TyKind::Tup(tys) } @@ -1337,7 +1337,7 @@ pub struct MethodCall { /// The receiver, e.g. `x`. pub receiver: P<Expr>, /// The arguments, e.g. `a, b, c`. - pub args: Vec<P<Expr>>, + pub args: ThinVec<P<Expr>>, /// The span of the function, without the dot and receiver e.g. `foo::<Bar, /// Baz>(a, b, c)`. pub span: Span, @@ -1357,7 +1357,7 @@ pub enum StructRest { pub struct StructExpr { pub qself: Option<P<QSelf>>, pub path: Path, - pub fields: Vec<ExprField>, + pub fields: ThinVec<ExprField>, pub rest: StructRest, } @@ -1366,7 +1366,7 @@ pub enum ExprKind { /// A `box x` expression. Box(P<Expr>), /// An array (`[a, b, c, d]`) - Array(Vec<P<Expr>>), + Array(ThinVec<P<Expr>>), /// Allow anonymous constants from an inline `const` block ConstBlock(AnonConst), /// A function call @@ -1375,11 +1375,11 @@ pub enum ExprKind { /// and the second field is the list of arguments. /// This also represents calling the constructor of /// tuple-like ADTs such as tuple structs and enum variants. - Call(P<Expr>, Vec<P<Expr>>), + Call(P<Expr>, ThinVec<P<Expr>>), /// A method call (e.g. `x.foo::<Bar, Baz>(a, b, c)`). MethodCall(Box<MethodCall>), /// A tuple (e.g., `(a, b, c, d)`). - Tup(Vec<P<Expr>>), + Tup(ThinVec<P<Expr>>), /// A binary operation (e.g., `a + b`, `a * b`). Binary(BinOp, P<Expr>, P<Expr>), /// A unary operation (e.g., `!x`, `*x`). @@ -1414,7 +1414,7 @@ pub enum ExprKind { /// `'label: loop { block }` Loop(P<Block>, Option<Label>, Span), /// A `match` block. - Match(P<Expr>, Vec<Arm>), + Match(P<Expr>, ThinVec<Arm>), /// A closure (e.g., `move |a, b, c| a + b + c`). Closure(Box<Closure>), /// A block (`'label: { ... }`). @@ -1574,7 +1574,7 @@ pub enum ClosureBinder { /// for<'a, 'b> |_: &'a (), _: &'b ()| { ... } /// ^^^^^^ -- this /// ``` - generic_params: P<[GenericParam]>, + generic_params: ThinVec<GenericParam>, }, } @@ -2056,7 +2056,7 @@ impl Ty { pub struct BareFnTy { pub unsafety: Unsafe, pub ext: Extern, - pub generic_params: Vec<GenericParam>, + pub generic_params: ThinVec<GenericParam>, pub decl: P<FnDecl>, /// Span of the `fn(...) -> ...` part. pub decl_span: Span, @@ -2078,7 +2078,7 @@ pub enum TyKind { /// The never type (`!`). Never, /// A tuple (`(A, B, C, D,...)`). - Tup(Vec<P<Ty>>), + Tup(ThinVec<P<Ty>>), /// A path (`module::module::...::Type`), optionally /// "qualified", e.g., `<Vec<T> as SomeTrait>::SomeType`. /// @@ -2363,7 +2363,7 @@ impl Param { /// which contains metadata about function safety, asyncness, constness and ABI. #[derive(Clone, Encodable, Decodable, Debug)] pub struct FnDecl { - pub inputs: Vec<Param>, + pub inputs: ThinVec<Param>, pub output: FnRetTy, } @@ -2475,7 +2475,7 @@ pub enum ModKind { /// or with definition outlined to a separate file `mod foo;` and already loaded from it. /// The inner span is from the first token past `{` to the last token until `}`, /// or from the first to the last token in the loaded file. - Loaded(Vec<P<Item>>, Inline, ModSpans), + Loaded(ThinVec<P<Item>>, Inline, ModSpans), /// Module with definition outlined to a separate file `mod foo;` but not yet loaded from it. Unloaded, } @@ -2497,12 +2497,12 @@ pub struct ForeignMod { /// semantically by Rust. pub unsafety: Unsafe, pub abi: Option<StrLit>, - pub items: Vec<P<ForeignItem>>, + pub items: ThinVec<P<ForeignItem>>, } #[derive(Clone, Encodable, Decodable, Debug)] pub struct EnumDef { - pub variants: Vec<Variant>, + pub variants: ThinVec<Variant>, } /// Enum variant. #[derive(Clone, Encodable, Decodable, Debug)] @@ -2532,7 +2532,7 @@ pub enum UseTreeKind { /// `use prefix` or `use prefix as rename` Simple(Option<Ident>), /// `use prefix::{...}` - Nested(Vec<(UseTree, NodeId)>), + Nested(ThinVec<(UseTree, NodeId)>), /// `use prefix::*` Glob, } @@ -2636,7 +2636,7 @@ pub struct TraitRef { #[derive(Clone, Encodable, Decodable, Debug)] pub struct PolyTraitRef { /// The `'a` in `for<'a> Foo<&'a T>`. - pub bound_generic_params: Vec<GenericParam>, + pub bound_generic_params: ThinVec<GenericParam>, /// The `Foo<&'a T>` in `<'a> Foo<&'a T>`. pub trait_ref: TraitRef, @@ -2645,7 +2645,7 @@ pub struct PolyTraitRef { } impl PolyTraitRef { - pub fn new(generic_params: Vec<GenericParam>, path: Path, span: Span) -> Self { + pub fn new(generic_params: ThinVec<GenericParam>, path: Path, span: Span) -> Self { PolyTraitRef { bound_generic_params: generic_params, trait_ref: TraitRef { path, ref_id: DUMMY_NODE_ID }, @@ -2695,11 +2695,11 @@ pub enum VariantData { /// Struct variant. /// /// E.g., `Bar { .. }` as in `enum Foo { Bar { .. } }`. - Struct(Vec<FieldDef>, bool), + Struct(ThinVec<FieldDef>, bool), /// Tuple variant. /// /// E.g., `Bar(..)` as in `enum Foo { Bar(..) }`. - Tuple(Vec<FieldDef>, NodeId), + Tuple(ThinVec<FieldDef>, NodeId), /// Unit variant. /// /// E.g., `Bar = ..` as in `enum Foo { Bar = .. }`. @@ -2826,7 +2826,7 @@ pub struct Trait { pub is_auto: IsAuto, pub generics: Generics, pub bounds: GenericBounds, - pub items: Vec<P<AssocItem>>, + pub items: ThinVec<P<AssocItem>>, } /// The location of a where clause on a `TyAlias` (`Span`) and whether there was @@ -2874,7 +2874,7 @@ pub struct Impl { /// The trait being implemented, if any. pub of_trait: Option<TraitRef>, pub self_ty: P<Ty>, - pub items: Vec<P<AssocItem>>, + pub items: ThinVec<P<AssocItem>>, } #[derive(Clone, Encodable, Decodable, Debug)] @@ -3112,26 +3112,26 @@ mod size_asserts { static_assert_size!(AssocItem, 104); static_assert_size!(AssocItemKind, 32); static_assert_size!(Attribute, 32); - static_assert_size!(Block, 48); + static_assert_size!(Block, 32); static_assert_size!(Expr, 72); static_assert_size!(ExprKind, 40); - static_assert_size!(Fn, 184); + static_assert_size!(Fn, 152); static_assert_size!(ForeignItem, 96); static_assert_size!(ForeignItemKind, 24); static_assert_size!(GenericArg, 24); - static_assert_size!(GenericBound, 72); - static_assert_size!(Generics, 72); - static_assert_size!(Impl, 184); - static_assert_size!(Item, 184); - static_assert_size!(ItemKind, 112); + static_assert_size!(GenericBound, 56); + static_assert_size!(Generics, 40); + static_assert_size!(Impl, 136); + static_assert_size!(Item, 136); + static_assert_size!(ItemKind, 64); static_assert_size!(LitKind, 24); static_assert_size!(Local, 72); static_assert_size!(MetaItemLit, 40); static_assert_size!(Param, 40); - static_assert_size!(Pat, 88); + static_assert_size!(Pat, 72); static_assert_size!(Path, 24); static_assert_size!(PathSegment, 24); - static_assert_size!(PatKind, 64); + static_assert_size!(PatKind, 48); static_assert_size!(Stmt, 32); static_assert_size!(StmtKind, 16); static_assert_size!(Ty, 64); diff --git a/compiler/rustc_ast/src/attr/mod.rs b/compiler/rustc_ast/src/attr/mod.rs index e75d2f77dbb..2e83b3e623f 100644 --- a/compiler/rustc_ast/src/attr/mod.rs +++ b/compiler/rustc_ast/src/attr/mod.rs @@ -20,7 +20,7 @@ use std::iter; use std::ops::BitXor; #[cfg(debug_assertions)] use std::sync::atomic::{AtomicU32, Ordering}; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub struct MarkedAttrs(GrowableBitSet<AttrId>); @@ -135,7 +135,7 @@ impl Attribute { } } - pub fn meta_item_list(&self) -> Option<Vec<NestedMetaItem>> { + pub fn meta_item_list(&self) -> Option<ThinVec<NestedMetaItem>> { match &self.kind { AttrKind::Normal(normal) => normal.item.meta_item_list(), AttrKind::DocComment(..) => None, @@ -216,7 +216,7 @@ impl AttrItem { self.args.span().map_or(self.path.span, |args_span| self.path.span.to(args_span)) } - fn meta_item_list(&self) -> Option<Vec<NestedMetaItem>> { + fn meta_item_list(&self) -> Option<ThinVec<NestedMetaItem>> { match &self.args { AttrArgs::Delimited(args) if args.delim == MacDelimiter::Parenthesis => { MetaItemKind::list_from_tokens(args.tokens.clone()) @@ -375,9 +375,9 @@ impl MetaItemKind { } } - fn list_from_tokens(tokens: TokenStream) -> Option<Vec<NestedMetaItem>> { + fn list_from_tokens(tokens: TokenStream) -> Option<ThinVec<NestedMetaItem>> { let mut tokens = tokens.into_trees().peekable(); - let mut result = Vec::new(); + let mut result = ThinVec::new(); while tokens.peek().is_some() { let item = NestedMetaItem::from_tokens(&mut tokens)?; result.push(item); diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index 1dd62626b8f..7dcb03b4c78 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -17,10 +17,10 @@ use rustc_data_structures::sync::Lrc; use rustc_span::source_map::Spanned; use rustc_span::symbol::Ident; use rustc_span::Span; - use smallvec::{smallvec, Array, SmallVec}; use std::ops::DerefMut; use std::{panic, ptr}; +use thin_vec::ThinVec; pub trait ExpectOne<A: Array> { fn expect_one(self, err: &'static str) -> A::Item; @@ -337,6 +337,17 @@ where // No `noop_` prefix because there isn't a corresponding method in `MutVisitor`. #[inline] +pub fn visit_thin_vec<T, F>(elems: &mut ThinVec<T>, mut visit_elem: F) +where + F: FnMut(&mut T), +{ + for elem in elems { + visit_elem(elem); + } +} + +// No `noop_` prefix because there isn't a corresponding method in `MutVisitor`. +#[inline] pub fn visit_opt<T, F>(opt: &mut Option<T>, mut visit_elem: F) where F: FnMut(&mut T), @@ -359,6 +370,11 @@ pub fn visit_exprs<T: MutVisitor>(exprs: &mut Vec<P<Expr>>, vis: &mut T) { } // No `noop_` prefix because there isn't a corresponding method in `MutVisitor`. +pub fn visit_thin_exprs<T: MutVisitor>(exprs: &mut ThinVec<P<Expr>>, vis: &mut T) { + exprs.flat_map_in_place(|expr| vis.filter_map_expr(expr)) +} + +// No `noop_` prefix because there isn't a corresponding method in `MutVisitor`. pub fn visit_bounds<T: MutVisitor>(bounds: &mut GenericBounds, vis: &mut T) { visit_vec(bounds, |bound| vis.visit_param_bound(bound)); } @@ -474,7 +490,7 @@ pub fn noop_visit_ty<T: MutVisitor>(ty: &mut P<Ty>, vis: &mut T) { vis.visit_fn_decl(decl); vis.visit_span(decl_span); } - TyKind::Tup(tys) => visit_vec(tys, |ty| vis.visit_ty(ty)), + TyKind::Tup(tys) => visit_thin_vec(tys, |ty| vis.visit_ty(ty)), TyKind::Paren(ty) => vis.visit_ty(ty), TyKind::Path(qself, path) => { vis.visit_qself(qself); @@ -561,7 +577,7 @@ pub fn noop_visit_angle_bracketed_parameter_data<T: MutVisitor>( vis: &mut T, ) { let AngleBracketedArgs { args, span } = data; - visit_vec(args, |arg| match arg { + visit_thin_vec(args, |arg| match arg { AngleBracketedArg::Arg(arg) => vis.visit_generic_arg(arg), AngleBracketedArg::Constraint(constraint) => vis.visit_constraint(constraint), }); @@ -573,7 +589,7 @@ pub fn noop_visit_parenthesized_parameter_data<T: MutVisitor>( vis: &mut T, ) { let ParenthesizedArgs { inputs, output, span, .. } = args; - visit_vec(inputs, |input| vis.visit_ty(input)); + visit_thin_vec(inputs, |input| vis.visit_ty(input)); noop_visit_fn_ret_ty(output, vis); vis.visit_span(span); } @@ -636,7 +652,7 @@ pub fn noop_visit_meta_item<T: MutVisitor>(mi: &mut MetaItem, vis: &mut T) { let MetaItem { path: _, kind, span } = mi; match kind { MetaItemKind::Word => {} - MetaItemKind::List(mis) => visit_vec(mis, |mi| vis.visit_meta_list_item(mi)), + MetaItemKind::List(mis) => visit_thin_vec(mis, |mi| vis.visit_meta_list_item(mi)), MetaItemKind::NameValue(_s) => {} } vis.visit_span(span); @@ -839,9 +855,7 @@ pub fn noop_visit_closure_binder<T: MutVisitor>(binder: &mut ClosureBinder, vis: match binder { ClosureBinder::NotPresent => {} ClosureBinder::For { span: _, generic_params } => { - let mut vec = std::mem::take(generic_params).into_vec(); - vec.flat_map_in_place(|param| vis.flat_map_generic_param(param)); - *generic_params = P::from_vec(vec); + generic_params.flat_map_in_place(|param| vis.flat_map_generic_param(param)); } } } @@ -919,7 +933,7 @@ pub fn noop_visit_generics<T: MutVisitor>(generics: &mut Generics, vis: &mut T) pub fn noop_visit_where_clause<T: MutVisitor>(wc: &mut WhereClause, vis: &mut T) { let WhereClause { has_where_token: _, predicates, span } = wc; - visit_vec(predicates, |predicate| vis.visit_where_predicate(predicate)); + visit_thin_vec(predicates, |predicate| vis.visit_where_predicate(predicate)); vis.visit_span(span); } @@ -1227,7 +1241,7 @@ pub fn noop_visit_pat<T: MutVisitor>(pat: &mut P<Pat>, vis: &mut T) { PatKind::TupleStruct(qself, path, elems) => { vis.visit_qself(qself); vis.visit_path(path); - visit_vec(elems, |elem| vis.visit_pat(elem)); + visit_thin_vec(elems, |elem| vis.visit_pat(elem)); } PatKind::Path(qself, path) => { vis.visit_qself(qself); @@ -1246,7 +1260,7 @@ pub fn noop_visit_pat<T: MutVisitor>(pat: &mut P<Pat>, vis: &mut T) { vis.visit_span(span); } PatKind::Tuple(elems) | PatKind::Slice(elems) | PatKind::Or(elems) => { - visit_vec(elems, |elem| vis.visit_pat(elem)) + visit_thin_vec(elems, |elem| vis.visit_pat(elem)) } PatKind::Paren(inner) => vis.visit_pat(inner), PatKind::MacCall(mac) => vis.visit_mac_call(mac), @@ -1303,7 +1317,7 @@ pub fn noop_visit_expr<T: MutVisitor>( ) { match kind { ExprKind::Box(expr) => vis.visit_expr(expr), - ExprKind::Array(exprs) => visit_exprs(exprs, vis), + ExprKind::Array(exprs) => visit_thin_exprs(exprs, vis), ExprKind::ConstBlock(anon_const) => { vis.visit_anon_const(anon_const); } @@ -1311,10 +1325,10 @@ pub fn noop_visit_expr<T: MutVisitor>( vis.visit_expr(expr); vis.visit_anon_const(count); } - ExprKind::Tup(exprs) => visit_exprs(exprs, vis), + ExprKind::Tup(exprs) => visit_thin_exprs(exprs, vis), ExprKind::Call(f, args) => { vis.visit_expr(f); - visit_exprs(args, vis); + visit_thin_exprs(args, vis); } ExprKind::MethodCall(box MethodCall { seg: PathSegment { ident, id, args: seg_args }, @@ -1326,7 +1340,7 @@ pub fn noop_visit_expr<T: MutVisitor>( vis.visit_id(id); visit_opt(seg_args, |args| vis.visit_generic_args(args)); vis.visit_method_receiver_expr(receiver); - visit_exprs(call_args, vis); + visit_thin_exprs(call_args, vis); vis.visit_span(span); } ExprKind::Binary(_binop, lhs, rhs) => { diff --git a/compiler/rustc_ast_lowering/Cargo.toml b/compiler/rustc_ast_lowering/Cargo.toml index 6e76c349a4a..eb2e82d7988 100644 --- a/compiler/rustc_ast_lowering/Cargo.toml +++ b/compiler/rustc_ast_lowering/Cargo.toml @@ -19,5 +19,5 @@ rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/ast_lowering.ftl b/compiler/rustc_ast_lowering/locales/en-US.ftl index 03c88c6c0eb..a2837deafde 100644 --- a/compiler/rustc_error_messages/locales/en-US/ast_lowering.ftl +++ b/compiler/rustc_ast_lowering/locales/en-US.ftl @@ -19,6 +19,9 @@ ast_lowering_remove_parentheses = remove these parentheses ast_lowering_misplaced_impl_trait = `impl Trait` only allowed in function and inherent method return types, not in {$position} +ast_lowering_misplaced_assoc_ty_binding = + associated type bounds are only allowed in where clauses and function signatures, not in {$position} + ast_lowering_rustc_box_attribute_error = #[rustc_box] requires precisely one argument and no other attributes are allowed diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs index 21c6a2d26f4..def74c2adee 100644 --- a/compiler/rustc_ast_lowering/src/errors.rs +++ b/compiler/rustc_ast_lowering/src/errors.rs @@ -79,6 +79,14 @@ pub struct MisplacedImplTrait<'a> { pub position: DiagnosticArgFromDisplay<'a>, } +#[derive(Diagnostic)] +#[diag(ast_lowering_misplaced_assoc_ty_binding)] +pub struct MisplacedAssocTyBinding<'a> { + #[primary_span] + pub span: Span, + pub position: DiagnosticArgFromDisplay<'a>, +} + #[derive(Diagnostic, Clone, Copy)] #[diag(ast_lowering_rustc_box_attribute_error)] pub struct RustcBoxAttributeError { @@ -339,7 +347,7 @@ pub struct InclusiveRangeWithNoEnd { #[derive(Diagnostic, Clone, Copy)] #[diag(ast_lowering_trait_fn_async, code = "E0706")] #[note] -#[note(note2)] +#[note(ast_lowering_note2)] pub struct TraitFnAsync { #[primary_span] pub fn_span: Span, diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index c4442b34fe4..dfe790b4851 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -18,7 +18,7 @@ use rustc_session::errors::report_lit_error; use rustc_span::source_map::{respan, DesugaringKind, Span, Spanned}; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::DUMMY_SP; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; impl<'hir> LoweringContext<'_, 'hir> { fn lower_exprs(&mut self, exprs: &[AstP<Expr>]) -> &'hir [hir::Expr<'hir>] { @@ -367,7 +367,7 @@ impl<'hir> LoweringContext<'_, 'hir> { fn lower_legacy_const_generics( &mut self, mut f: Expr, - args: Vec<AstP<Expr>>, + args: ThinVec<AstP<Expr>>, legacy_args_idx: &[usize], ) -> hir::ExprKind<'hir> { let ExprKind::Path(None, path) = &mut f.kind else { @@ -376,7 +376,7 @@ impl<'hir> LoweringContext<'_, 'hir> { // Split the arguments into const generics and normal arguments let mut real_args = vec![]; - let mut generic_args = vec![]; + let mut generic_args = ThinVec::new(); for (idx, arg) in args.into_iter().enumerate() { if legacy_args_idx.contains(&idx) { let parent_def_id = self.current_hir_id_owner; diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index 6bafbfbc14c..4a0e005b8b9 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -13,7 +13,7 @@ use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID}; use rustc_hir::PredicateOrigin; use rustc_index::vec::{Idx, IndexVec}; use rustc_middle::ty::{DefIdTree, ResolverAstLowering, TyCtxt}; -use rustc_span::lev_distance::find_best_match_for_name; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::source_map::DesugaringKind; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::{Span, Symbol}; diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index b543be3be50..c5b144e68dc 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -52,23 +52,28 @@ use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::sorted_map::SortedMap; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::sync::Lrc; -use rustc_errors::{DiagnosticArgFromDisplay, Handler, StashKey}; +use rustc_errors::{ + DiagnosticArgFromDisplay, DiagnosticMessage, Handler, StashKey, SubdiagnosticMessage, +}; use rustc_hir as hir; use rustc_hir::def::{DefKind, LifetimeRes, Namespace, PartialRes, PerNS, Res}; use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID}; use rustc_hir::definitions::DefPathData; use rustc_hir::{ConstArg, GenericArg, ItemLocalId, ParamName, TraitCandidate}; use rustc_index::vec::{Idx, IndexVec}; -use rustc_middle::span_bug; -use rustc_middle::ty::{ResolverAstLowering, TyCtxt}; +use rustc_macros::fluent_messages; +use rustc_middle::{ + span_bug, + ty::{ResolverAstLowering, TyCtxt}, +}; use rustc_session::parse::feature_err; use rustc_span::hygiene::MacroKind; use rustc_span::source_map::DesugaringKind; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; - use smallvec::SmallVec; use std::collections::hash_map::Entry; +use thin_vec::ThinVec; macro_rules! arena_vec { ($this:expr; $($x:expr),*) => ( @@ -87,6 +92,8 @@ mod lifetime_collector; mod pat; mod path; +fluent_messages! { "../locales/en-US.ftl" } + struct LoweringContext<'a, 'hir> { tcx: TyCtxt<'hir>, resolver: &'a mut ResolverAstLowering, @@ -281,31 +288,31 @@ enum ImplTraitPosition { impl std::fmt::Display for ImplTraitPosition { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { let name = match self { - ImplTraitPosition::Path => "path", - ImplTraitPosition::Variable => "variable binding", - ImplTraitPosition::Trait => "trait", - ImplTraitPosition::AsyncBlock => "async block", - ImplTraitPosition::Bound => "bound", - ImplTraitPosition::Generic => "generic", - ImplTraitPosition::ExternFnParam => "`extern fn` param", - ImplTraitPosition::ClosureParam => "closure param", - ImplTraitPosition::PointerParam => "`fn` pointer param", - ImplTraitPosition::FnTraitParam => "`Fn` trait param", - ImplTraitPosition::TraitParam => "trait method param", - ImplTraitPosition::ImplParam => "`impl` method param", - ImplTraitPosition::ExternFnReturn => "`extern fn` return", - ImplTraitPosition::ClosureReturn => "closure return", - ImplTraitPosition::PointerReturn => "`fn` pointer return", - ImplTraitPosition::FnTraitReturn => "`Fn` trait return", - ImplTraitPosition::TraitReturn => "trait method return", - ImplTraitPosition::ImplReturn => "`impl` method return", - ImplTraitPosition::GenericDefault => "generic parameter default", - ImplTraitPosition::ConstTy => "const type", - ImplTraitPosition::StaticTy => "static type", - ImplTraitPosition::AssocTy => "associated type", - ImplTraitPosition::FieldTy => "field type", - ImplTraitPosition::Cast => "cast type", - ImplTraitPosition::ImplSelf => "impl header", + ImplTraitPosition::Path => "paths", + ImplTraitPosition::Variable => "variable bindings", + ImplTraitPosition::Trait => "traits", + ImplTraitPosition::AsyncBlock => "async blocks", + ImplTraitPosition::Bound => "bounds", + ImplTraitPosition::Generic => "generics", + ImplTraitPosition::ExternFnParam => "`extern fn` params", + ImplTraitPosition::ClosureParam => "closure params", + ImplTraitPosition::PointerParam => "`fn` pointer params", + ImplTraitPosition::FnTraitParam => "`Fn` trait params", + ImplTraitPosition::TraitParam => "trait method params", + ImplTraitPosition::ImplParam => "`impl` method params", + ImplTraitPosition::ExternFnReturn => "`extern fn` return types", + ImplTraitPosition::ClosureReturn => "closure return types", + ImplTraitPosition::PointerReturn => "`fn` pointer return types", + ImplTraitPosition::FnTraitReturn => "`Fn` trait return types", + ImplTraitPosition::TraitReturn => "trait method return types", + ImplTraitPosition::ImplReturn => "`impl` method return types", + ImplTraitPosition::GenericDefault => "generic parameter defaults", + ImplTraitPosition::ConstTy => "const types", + ImplTraitPosition::StaticTy => "static types", + ImplTraitPosition::AssocTy => "associated types", + ImplTraitPosition::FieldTy => "field types", + ImplTraitPosition::Cast => "cast types", + ImplTraitPosition::ImplSelf => "impl headers", }; write!(f, "{name}") @@ -995,8 +1002,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { } else { self.arena.alloc(hir::GenericArgs::none()) }; - let itctx_tait = &ImplTraitContext::TypeAliasesOpaqueTy; - let kind = match &constraint.kind { AssocConstraintKind::Equality { term } => { let term = match term { @@ -1006,8 +1011,14 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { hir::TypeBindingKind::Equality { term } } AssocConstraintKind::Bound { bounds } => { + enum DesugarKind<'a> { + ImplTrait, + Error(&'a ImplTraitPosition), + Bound, + } + // Piggy-back on the `impl Trait` context to figure out the correct behavior. - let (desugar_to_impl_trait, itctx) = match itctx { + let desugar_kind = match itctx { // We are in the return position: // // fn foo() -> impl Iterator<Item: Debug> @@ -1016,7 +1027,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // // fn foo() -> impl Iterator<Item = impl Debug> ImplTraitContext::ReturnPositionOpaqueTy { .. } - | ImplTraitContext::TypeAliasesOpaqueTy { .. } => (true, itctx), + | ImplTraitContext::TypeAliasesOpaqueTy { .. } => DesugarKind::ImplTrait, // We are in the argument position, but within a dyn type: // @@ -1025,15 +1036,11 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // so desugar to // // fn foo(x: dyn Iterator<Item = impl Debug>) - ImplTraitContext::Universal if self.is_in_dyn_type => (true, itctx), + ImplTraitContext::Universal if self.is_in_dyn_type => DesugarKind::ImplTrait, - // In `type Foo = dyn Iterator<Item: Debug>` we desugar to - // `type Foo = dyn Iterator<Item = impl Debug>` but we have to override the - // "impl trait context" to permit `impl Debug` in this position (it desugars - // then to an opaque type). - // - // FIXME: this is only needed until `impl Trait` is allowed in type aliases. - ImplTraitContext::Disallowed(_) if self.is_in_dyn_type => (true, itctx_tait), + ImplTraitContext::Disallowed(position) if self.is_in_dyn_type => { + DesugarKind::Error(position) + } // We are in the parameter position, but not within a dyn type: // @@ -1042,35 +1049,46 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { // so we leave it as is and this gets expanded in astconv to a bound like // `<T as Iterator>::Item: Debug` where `T` is the type parameter for the // `impl Iterator`. - _ => (false, itctx), + _ => DesugarKind::Bound, }; - if desugar_to_impl_trait { - // Desugar `AssocTy: Bounds` into `AssocTy = impl Bounds`. We do this by - // constructing the HIR for `impl bounds...` and then lowering that. - - let impl_trait_node_id = self.next_node_id(); - - self.with_dyn_type_scope(false, |this| { - let node_id = this.next_node_id(); - let ty = this.lower_ty( - &Ty { - id: node_id, - kind: TyKind::ImplTrait(impl_trait_node_id, bounds.clone()), - span: this.lower_span(constraint.span), - tokens: None, - }, - itctx, - ); + match desugar_kind { + DesugarKind::ImplTrait => { + // Desugar `AssocTy: Bounds` into `AssocTy = impl Bounds`. We do this by + // constructing the HIR for `impl bounds...` and then lowering that. - hir::TypeBindingKind::Equality { term: ty.into() } - }) - } else { - // Desugar `AssocTy: Bounds` into a type binding where the - // later desugars into a trait predicate. - let bounds = self.lower_param_bounds(bounds, itctx); + let impl_trait_node_id = self.next_node_id(); - hir::TypeBindingKind::Constraint { bounds } + self.with_dyn_type_scope(false, |this| { + let node_id = this.next_node_id(); + let ty = this.lower_ty( + &Ty { + id: node_id, + kind: TyKind::ImplTrait(impl_trait_node_id, bounds.clone()), + span: this.lower_span(constraint.span), + tokens: None, + }, + itctx, + ); + + hir::TypeBindingKind::Equality { term: ty.into() } + }) + } + DesugarKind::Bound => { + // Desugar `AssocTy: Bounds` into a type binding where the + // later desugars into a trait predicate. + let bounds = self.lower_param_bounds(bounds, itctx); + + hir::TypeBindingKind::Constraint { bounds } + } + DesugarKind::Error(position) => { + self.tcx.sess.emit_err(errors::MisplacedAssocTyBinding { + span: constraint.span, + position: DiagnosticArgFromDisplay(position), + }); + let err_ty = &*self.arena.alloc(self.ty(constraint.span, hir::TyKind::Err)); + hir::TypeBindingKind::Equality { term: err_ty.into() } + } } } }; @@ -1207,7 +1225,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { let (bounds, lifetime_bound) = self.with_dyn_type_scope(true, |this| { let bound = this.lower_poly_trait_ref( &PolyTraitRef { - bound_generic_params: vec![], + bound_generic_params: ThinVec::new(), trait_ref: TraitRef { path: path.clone(), ref_id: t.id }, span: t.span }, diff --git a/compiler/rustc_ast_passes/Cargo.toml b/compiler/rustc_ast_passes/Cargo.toml index 37eff9207c1..8bd212073a6 100644 --- a/compiler/rustc_ast_passes/Cargo.toml +++ b/compiler/rustc_ast_passes/Cargo.toml @@ -5,7 +5,7 @@ edition = "2021" [dependencies] itertools = "0.10.1" -tracing = "0.1" +rustc_ast = { path = "../rustc_ast" } rustc_ast_pretty = { path = "../rustc_ast_pretty" } rustc_attr = { path = "../rustc_attr" } rustc_data_structures = { path = "../rustc_data_structures" } @@ -16,4 +16,5 @@ rustc_parse = { path = "../rustc_parse" } rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } -rustc_ast = { path = "../rustc_ast" } +thin-vec = "0.2.12" +tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/ast_passes.ftl b/compiler/rustc_ast_passes/locales/en-US.ftl index 5f28839f136..128e7255c61 100644 --- a/compiler/rustc_error_messages/locales/en-US/ast_passes.ftl +++ b/compiler/rustc_ast_passes/locales/en-US.ftl @@ -11,9 +11,6 @@ ast_passes_forbidden_let_stable = ast_passes_deprecated_where_clause_location = where clause not allowed here -ast_passes_forbidden_assoc_constraint = - associated type bounds are not allowed within structs, enums, or unions - ast_passes_keyword_lifetime = lifetimes cannot use keyword names diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index d1ae8c1fdbd..ee861e87355 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -13,7 +13,7 @@ use rustc_ast::walk_list; use rustc_ast::*; use rustc_ast_pretty::pprust::{self, State}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{error_code, fluent, pluralize, struct_span_err, Applicability}; +use rustc_errors::{error_code, pluralize, struct_span_err, Applicability}; use rustc_macros::Subdiagnostic; use rustc_parse::validate_attr; use rustc_session::lint::builtin::{ @@ -27,8 +27,10 @@ use rustc_span::Span; use rustc_target::spec::abi; use std::mem; use std::ops::{Deref, DerefMut}; +use thin_vec::thin_vec; use crate::errors::*; +use crate::fluent_generated as fluent; const MORE_EXTERN: &str = "for more information, visit https://doc.rust-lang.org/std/keyword.extern.html"; @@ -69,10 +71,6 @@ struct AstValidator<'a> { /// or `Foo::Bar<impl Trait>` is_impl_trait_banned: bool, - /// Used to ban associated type bounds (i.e., `Type<AssocType: Bounds>`) in - /// certain positions. - is_assoc_ty_bound_banned: bool, - /// See [ForbiddenLetReason] forbidden_let_reason: Option<ForbiddenLetReason>, @@ -178,30 +176,12 @@ impl<'a> AstValidator<'a> { } } - fn with_banned_assoc_ty_bound(&mut self, f: impl FnOnce(&mut Self)) { - let old = mem::replace(&mut self.is_assoc_ty_bound_banned, true); - f(self); - self.is_assoc_ty_bound_banned = old; - } - fn with_impl_trait(&mut self, outer: Option<Span>, f: impl FnOnce(&mut Self)) { let old = mem::replace(&mut self.outer_impl_trait, outer); f(self); self.outer_impl_trait = old; } - fn visit_assoc_constraint_from_generic_args(&mut self, constraint: &'a AssocConstraint) { - match constraint.kind { - AssocConstraintKind::Equality { .. } => {} - AssocConstraintKind::Bound { .. } => { - if self.is_assoc_ty_bound_banned { - self.session.emit_err(ForbiddenAssocConstraint { span: constraint.span }); - } - } - } - self.visit_assoc_constraint(constraint); - } - // Mirrors `visit::walk_ty`, but tracks relevant state. fn walk_ty(&mut self, t: &'a Ty) { match &t.kind { @@ -1246,7 +1226,7 @@ impl<'a> Visitor<'a> for AstValidator<'a> { // are allowed to contain nested `impl Trait`. AngleBracketedArg::Constraint(constraint) => { self.with_impl_trait(None, |this| { - this.visit_assoc_constraint_from_generic_args(constraint); + this.visit_assoc_constraint(constraint); }); } } @@ -1371,14 +1351,6 @@ impl<'a> Visitor<'a> for AstValidator<'a> { visit::walk_param_bound(self, bound) } - fn visit_variant_data(&mut self, s: &'a VariantData) { - self.with_banned_assoc_ty_bound(|this| visit::walk_struct_def(this, s)) - } - - fn visit_enum_def(&mut self, enum_definition: &'a EnumDef) { - self.with_banned_assoc_ty_bound(|this| visit::walk_enum_def(this, enum_definition)) - } - fn visit_fn(&mut self, fk: FnKind<'a>, span: Span, id: NodeId) { // Only associated `fn`s can have `self` parameters. let self_semantic = match fk.ctxt() { @@ -1615,7 +1587,7 @@ fn deny_equality_constraints( empty_args => { *empty_args = AngleBracketedArgs { span: ident.span, - args: vec![arg], + args: thin_vec![arg], } .into(); } @@ -1707,7 +1679,6 @@ pub fn check_crate(session: &Session, krate: &Crate, lints: &mut LintBuffer) -> outer_impl_trait: None, disallow_tilde_const: None, is_impl_trait_banned: false, - is_assoc_ty_bound_banned: false, forbidden_let_reason: Some(ForbiddenLetReason::GenericForbidden), lint_buffer: lints, }; @@ -1722,12 +1693,12 @@ pub(crate) enum ForbiddenLetReason { /// `let` is not valid and the source environment is not important GenericForbidden, /// A let chain with the `||` operator - #[note(not_supported_or)] + #[note(ast_passes_not_supported_or)] NotSupportedOr(#[primary_span] Span), /// A let chain with invalid parentheses /// /// For example, `let 1 = 1 && (expr && expr)` is allowed /// but `(let 1 = 1 && (let 1 = 1 && (let 1 = 1))) && let a = 1` is not - #[note(not_supported_parentheses)] + #[note(ast_passes_not_supported_parentheses)] NotSupportedParentheses(#[primary_span] Span), } diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 09e262452b1..f304f5a1956 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -24,13 +24,6 @@ pub struct ForbiddenLetStable { } #[derive(Diagnostic)] -#[diag(ast_passes_forbidden_assoc_constraint)] -pub struct ForbiddenAssocConstraint { - #[primary_span] - pub span: Span, -} - -#[derive(Diagnostic)] #[diag(ast_passes_keyword_lifetime)] pub struct KeywordLifetime { #[primary_span] @@ -50,7 +43,7 @@ pub struct InvalidLabel { pub struct InvalidVisibility { #[primary_span] pub span: Span, - #[label(implied)] + #[label(ast_passes_implied)] pub implied: Option<Span>, #[subdiagnostic] pub note: Option<InvalidVisibilityNote>, @@ -58,9 +51,9 @@ pub struct InvalidVisibility { #[derive(Subdiagnostic)] pub enum InvalidVisibilityNote { - #[note(individual_impl_items)] + #[note(ast_passes_individual_impl_items)] IndividualImplItems, - #[note(individual_foreign_items)] + #[note(ast_passes_individual_foreign_items)] IndividualForeignItems, } diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 3af2ef4e727..d69c84bf4d1 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -10,6 +10,8 @@ use rustc_span::source_map::Spanned; use rustc_span::symbol::sym; use rustc_span::Span; use rustc_target::spec::abi; +use thin_vec::ThinVec; +use tracing::debug; use crate::errors::ForbiddenLifetimeBound; @@ -155,7 +157,7 @@ impl<'a> PostExpansionVisitor<'a> { &self.sess.parse_sess, sym::non_lifetime_binders, non_lt_param_spans, - rustc_errors::fluent::ast_passes_forbidden_non_lifetime_param, + crate::fluent_generated::ast_passes_forbidden_non_lifetime_param, ) .emit(); } @@ -250,7 +252,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { ast::ItemKind::Struct(..) => { for attr in self.sess.filter_by_name(&i.attrs, sym::repr) { - for item in attr.meta_item_list().unwrap_or_else(Vec::new) { + for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) { if item.has_name(sym::simd) { gate_feature_post!( &self, diff --git a/compiler/rustc_ast_passes/src/lib.rs b/compiler/rustc_ast_passes/src/lib.rs index f58fffc9172..1be959b0de6 100644 --- a/compiler/rustc_ast_passes/src/lib.rs +++ b/compiler/rustc_ast_passes/src/lib.rs @@ -11,11 +11,13 @@ #![feature(let_chains)] #![recursion_limit = "256"] -#[macro_use] -extern crate tracing; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; pub mod ast_validation; mod errors; pub mod feature_gate; pub mod node_count; pub mod show_span; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_ast_pretty/Cargo.toml b/compiler/rustc_ast_pretty/Cargo.toml index d1513c114fe..980a8fa93a9 100644 --- a/compiler/rustc_ast_pretty/Cargo.toml +++ b/compiler/rustc_ast_pretty/Cargo.toml @@ -8,3 +8,4 @@ edition = "2021" [dependencies] rustc_ast = { path = "../rustc_ast" } rustc_span = { path = "../rustc_span" } +thin-vec = "0.2.12" diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index cd621bc67a1..694d688bf1f 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -4,7 +4,7 @@ mod item; use crate::pp::Breaks::{Consistent, Inconsistent}; use crate::pp::{self, Breaks}; - +use rustc_ast::attr::AttrIdGenerator; use rustc_ast::ptr::P; use rustc_ast::token::{self, BinOpToken, CommentKind, Delimiter, Nonterminal, Token, TokenKind}; use rustc_ast::tokenstream::{TokenStream, TokenTree}; @@ -20,9 +20,8 @@ use rustc_span::edition::Edition; use rustc_span::source_map::{SourceMap, Spanned}; use rustc_span::symbol::{kw, sym, Ident, IdentPrinter, Symbol}; use rustc_span::{BytePos, FileName, Span, DUMMY_SP}; - -use rustc_ast::attr::AttrIdGenerator; use std::borrow::Cow; +use thin_vec::ThinVec; pub use self::delimited::IterDelimited; @@ -1722,10 +1721,10 @@ impl<'a> State<'a> { self.ibox(INDENT_UNIT); self.print_formal_generic_params(generic_params); let generics = ast::Generics { - params: Vec::new(), + params: ThinVec::new(), where_clause: ast::WhereClause { has_where_token: false, - predicates: Vec::new(), + predicates: ThinVec::new(), span: DUMMY_SP, }, span: DUMMY_SP, diff --git a/compiler/rustc_ast_pretty/src/pprust/tests.rs b/compiler/rustc_ast_pretty/src/pprust/tests.rs index 6c8d42f33eb..3b2b60a86f0 100644 --- a/compiler/rustc_ast_pretty/src/pprust/tests.rs +++ b/compiler/rustc_ast_pretty/src/pprust/tests.rs @@ -3,6 +3,7 @@ use super::*; use rustc_ast as ast; use rustc_span::create_default_session_globals_then; use rustc_span::symbol::Ident; +use thin_vec::ThinVec; fn fun_to_string( decl: &ast::FnDecl, @@ -27,8 +28,10 @@ fn test_fun_to_string() { create_default_session_globals_then(|| { let abba_ident = Ident::from_str("abba"); - let decl = - ast::FnDecl { inputs: Vec::new(), output: ast::FnRetTy::Default(rustc_span::DUMMY_SP) }; + let decl = ast::FnDecl { + inputs: ThinVec::new(), + output: ast::FnRetTy::Default(rustc_span::DUMMY_SP), + }; let generics = ast::Generics::default(); assert_eq!( fun_to_string(&decl, ast::FnHeader::default(), abba_ident, &generics), diff --git a/compiler/rustc_error_messages/locales/en-US/attr.ftl b/compiler/rustc_attr/locales/en-US.ftl index a7f8c993d42..a7f8c993d42 100644 --- a/compiler/rustc_error_messages/locales/en-US/attr.ftl +++ b/compiler/rustc_attr/locales/en-US.ftl diff --git a/compiler/rustc_attr/src/lib.rs b/compiler/rustc_attr/src/lib.rs index 4580ffcc6d8..5fede0a58ac 100644 --- a/compiler/rustc_attr/src/lib.rs +++ b/compiler/rustc_attr/src/lib.rs @@ -11,6 +11,9 @@ #[macro_use] extern crate rustc_macros; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + mod builtin; mod session_diagnostics; @@ -22,3 +25,5 @@ pub use StabilityLevel::*; pub use rustc_ast::attr::*; pub(crate) use rustc_ast::HashStableContext; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_attr/src/session_diagnostics.rs b/compiler/rustc_attr/src/session_diagnostics.rs index 3ba7a3c5336..ee79545e304 100644 --- a/compiler/rustc_attr/src/session_diagnostics.rs +++ b/compiler/rustc_attr/src/session_diagnostics.rs @@ -2,11 +2,12 @@ use std::num::IntErrorKind; use rustc_ast as ast; use rustc_errors::{ - error_code, fluent, Applicability, DiagnosticBuilder, ErrorGuaranteed, Handler, IntoDiagnostic, + error_code, Applicability, DiagnosticBuilder, ErrorGuaranteed, Handler, IntoDiagnostic, }; use rustc_macros::Diagnostic; use rustc_span::{Span, Symbol}; +use crate::fluent_generated as fluent; use crate::UnsupportedLiteralReason; #[derive(Diagnostic)] @@ -59,7 +60,7 @@ impl<'a> IntoDiagnostic<'a> for UnknownMetaItem<'_> { ); diag.set_arg("item", self.item); diag.set_arg("expected", expected.join(", ")); - diag.span_label(self.span, fluent::label); + diag.span_label(self.span, fluent::attr_label); diag } } @@ -99,31 +100,31 @@ pub(crate) struct InvalidIssueString { // translatable. #[derive(Subdiagnostic)] pub(crate) enum InvalidIssueStringCause { - #[label(must_not_be_zero)] + #[label(attr_must_not_be_zero)] MustNotBeZero { #[primary_span] span: Span, }, - #[label(empty)] + #[label(attr_empty)] Empty { #[primary_span] span: Span, }, - #[label(invalid_digit)] + #[label(attr_invalid_digit)] InvalidDigit { #[primary_span] span: Span, }, - #[label(pos_overflow)] + #[label(attr_pos_overflow)] PosOverflow { #[primary_span] span: Span, }, - #[label(neg_overflow)] + #[label(attr_neg_overflow)] NegOverflow { #[primary_span] span: Span, @@ -275,7 +276,7 @@ pub(crate) struct IncorrectReprFormatGeneric<'a> { #[derive(Subdiagnostic)] pub(crate) enum IncorrectReprFormatGenericCause<'a> { - #[suggestion(suggestion, code = "{name}({int})", applicability = "machine-applicable")] + #[suggestion(attr_suggestion, code = "{name}({int})", applicability = "machine-applicable")] Int { #[primary_span] span: Span, @@ -287,7 +288,7 @@ pub(crate) enum IncorrectReprFormatGenericCause<'a> { int: u128, }, - #[suggestion(suggestion, code = "{name}({symbol})", applicability = "machine-applicable")] + #[suggestion(attr_suggestion, code = "{name}({symbol})", applicability = "machine-applicable")] Symbol { #[primary_span] span: Span, diff --git a/compiler/rustc_error_messages/locales/en-US/borrowck.ftl b/compiler/rustc_borrowck/locales/en-US.ftl index a3b6b5e8138..a3b6b5e8138 100644 --- a/compiler/rustc_error_messages/locales/en-US/borrowck.ftl +++ b/compiler/rustc_borrowck/locales/en-US.ftl diff --git a/compiler/rustc_borrowck/src/constraint_generation.rs b/compiler/rustc_borrowck/src/constraint_generation.rs index 11b31c3f140..1427f5cb31d 100644 --- a/compiler/rustc_borrowck/src/constraint_generation.rs +++ b/compiler/rustc_borrowck/src/constraint_generation.rs @@ -9,7 +9,7 @@ use rustc_middle::mir::{ }; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::visit::TypeVisitable; -use rustc_middle::ty::{self, RegionVid, Ty}; +use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt}; use crate::{ borrow_set::BorrowSet, facts::AllFacts, location::LocationTable, nll::ToRegionVid, @@ -165,7 +165,7 @@ impl<'cx, 'tcx> ConstraintGeneration<'cx, 'tcx> { /// `location`. fn add_regular_live_constraint<T>(&mut self, live_ty: T, location: Location) where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { debug!("add_regular_live_constraint(live_ty={:?}, location={:?})", live_ty, location); diff --git a/compiler/rustc_borrowck/src/constraints/mod.rs b/compiler/rustc_borrowck/src/constraints/mod.rs index 1f0b8adeaf1..f370c02161b 100644 --- a/compiler/rustc_borrowck/src/constraints/mod.rs +++ b/compiler/rustc_borrowck/src/constraints/mod.rs @@ -17,7 +17,7 @@ pub(crate) mod graph; /// constraints of the form `R1: R2`. Each constraint is identified by /// a unique `OutlivesConstraintIndex` and you can index into the set /// (`constraint_set[i]`) to access the constraint details. -#[derive(Clone, Default)] +#[derive(Clone, Debug, Default)] pub(crate) struct OutlivesConstraintSet<'tcx> { outlives: IndexVec<OutlivesConstraintIndex, OutlivesConstraint<'tcx>>, } diff --git a/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs index d51cc652bfd..68205fa4558 100644 --- a/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/bound_region_errors.rs @@ -106,7 +106,7 @@ impl<'tcx> ToUniverseInfo<'tcx> } } -impl<'tcx, T: Copy + fmt::Display + TypeFoldable<'tcx> + 'tcx> ToUniverseInfo<'tcx> +impl<'tcx, T: Copy + fmt::Display + TypeFoldable<TyCtxt<'tcx>> + 'tcx> ToUniverseInfo<'tcx> for Canonical<'tcx, ty::ParamEnvAnd<'tcx, type_op::Normalize<T>>> { fn to_universe_info(self, base_universe: ty::UniverseIndex) -> UniverseInfo<'tcx> { @@ -258,7 +258,7 @@ struct NormalizeQuery<'tcx, T> { impl<'tcx, T> TypeOpInfo<'tcx> for NormalizeQuery<'tcx, T> where - T: Copy + fmt::Display + TypeFoldable<'tcx> + 'tcx, + T: Copy + fmt::Display + TypeFoldable<TyCtxt<'tcx>> + 'tcx, { fn fallback_error( &self, diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index b2d72654a2a..262e093b0fa 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -2135,7 +2135,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ) -> DiagnosticBuilder<'cx, ErrorGuaranteed> { let tcx = self.infcx.tcx; - let (_, escapes_from) = tcx.article_and_description(self.mir_def_id().to_def_id()); + let escapes_from = tcx.def_descr(self.mir_def_id().to_def_id()); let mut err = borrowck_errors::borrowed_data_escapes_closure(tcx, escape_span, escapes_from); diff --git a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs index a2fa3018234..4baf1b6aa87 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_errors.rs @@ -660,10 +660,8 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { errci.outlived_fr, ); - let (_, escapes_from) = self - .infcx - .tcx - .article_and_description(self.regioncx.universal_regions().defining_ty.def_id()); + let escapes_from = + self.infcx.tcx.def_descr(self.regioncx.universal_regions().defining_ty.def_id()); // Revert to the normal error in these cases. // Assignments aren't "escapes" in function items. @@ -757,8 +755,7 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { .. } = errci; - let (_, mir_def_name) = - self.infcx.tcx.article_and_description(self.mir_def_id().to_def_id()); + let mir_def_name = self.infcx.tcx.def_descr(self.mir_def_id().to_def_id()); let err = LifetimeOutliveErr { span: *span }; let mut diag = self.infcx.tcx.sess.create_err(err); diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index 98103af779d..18d7bde60d7 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -1,6 +1,7 @@ //! This query borrow-checks the MIR to (further) ensure it is not broken. #![allow(rustc::potential_query_instability)] +#![feature(associated_type_bounds)] #![feature(box_patterns)] #![feature(let_chains)] #![feature(min_specialization)] @@ -20,12 +21,15 @@ extern crate tracing; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::graph::dominators::Dominators; use rustc_data_structures::vec_map::VecMap; -use rustc_errors::{Diagnostic, DiagnosticBuilder}; +use rustc_errors::{Diagnostic, DiagnosticBuilder, DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir as hir; use rustc_hir::def_id::LocalDefId; use rustc_index::bit_set::ChunkedBitSet; use rustc_index::vec::IndexVec; -use rustc_infer::infer::{DefiningAnchor, InferCtxt, TyCtxtInferExt}; +use rustc_infer::infer::{ + DefiningAnchor, InferCtxt, NllRegionVariableOrigin, RegionVariableOrigin, TyCtxtInferExt, +}; +use rustc_macros::fluent_messages; use rustc_middle::mir::{ traversal, Body, ClearCrossCrate, Local, Location, Mutability, NonDivergingIntrinsic, Operand, Place, PlaceElem, PlaceRef, VarDebugInfoContents, @@ -43,6 +47,7 @@ use smallvec::SmallVec; use std::cell::OnceCell; use std::cell::RefCell; use std::collections::BTreeMap; +use std::ops::Deref; use std::rc::Rc; use rustc_mir_dataflow::impls::{ @@ -94,6 +99,9 @@ use nll::{PoloniusOutput, ToRegionVid}; use place_ext::PlaceExt; use places_conflict::{places_conflict, PlaceConflictBias}; use region_infer::RegionInferenceContext; +use renumber::RegionCtxt; + +fluent_messages! { "../locales/en-US.ftl" } // FIXME(eddyb) perhaps move this somewhere more centrally. #[derive(Debug)] @@ -167,10 +175,10 @@ fn do_mir_borrowck<'tcx>( return_body_with_facts: bool, ) -> (BorrowCheckResult<'tcx>, Option<Box<BodyWithBorrowckFacts<'tcx>>>) { let def = input_body.source.with_opt_param().as_local().unwrap(); - debug!(?def); let tcx = infcx.tcx; + let infcx = BorrowckInferCtxt::new(infcx); let param_env = tcx.param_env(def.did); let mut local_names = IndexVec::from_elem(None, &input_body.local_decls); @@ -218,7 +226,7 @@ fn do_mir_borrowck<'tcx>( let mut body_owned = input_body.clone(); let mut promoted = input_promoted.clone(); let free_regions = - nll::replace_regions_in_mir(infcx, param_env, &mut body_owned, &mut promoted); + nll::replace_regions_in_mir(&infcx, param_env, &mut body_owned, &mut promoted); let body = &body_owned; // no further changes let location_table_owned = LocationTable::new(body); @@ -256,7 +264,7 @@ fn do_mir_borrowck<'tcx>( opt_closure_req, nll_errors, } = nll::compute_regions( - infcx, + &infcx, free_regions, body, &promoted, @@ -271,12 +279,12 @@ fn do_mir_borrowck<'tcx>( // Dump MIR results into a file, if that is enabled. This let us // write unit-tests, as well as helping with debugging. - nll::dump_mir_results(infcx, &body, ®ioncx, &opt_closure_req); + nll::dump_mir_results(&infcx, &body, ®ioncx, &opt_closure_req); // We also have a `#[rustc_regions]` annotation that causes us to dump // information. nll::dump_annotation( - infcx, + &infcx, &body, ®ioncx, &opt_closure_req, @@ -320,7 +328,7 @@ fn do_mir_borrowck<'tcx>( if let Err((move_data, move_errors)) = move_data_results { let mut promoted_mbcx = MirBorrowckCtxt { - infcx, + infcx: &infcx, param_env, body: promoted_body, move_data: &move_data, @@ -349,7 +357,7 @@ fn do_mir_borrowck<'tcx>( } let mut mbcx = MirBorrowckCtxt { - infcx, + infcx: &infcx, param_env, body, move_data: &mdpe.move_data, @@ -481,8 +489,84 @@ pub struct BodyWithBorrowckFacts<'tcx> { pub location_table: LocationTable, } +pub struct BorrowckInferCtxt<'cx, 'tcx> { + pub(crate) infcx: &'cx InferCtxt<'tcx>, + pub(crate) reg_var_to_origin: RefCell<FxHashMap<ty::RegionVid, RegionCtxt>>, +} + +impl<'cx, 'tcx> BorrowckInferCtxt<'cx, 'tcx> { + pub(crate) fn new(infcx: &'cx InferCtxt<'tcx>) -> Self { + BorrowckInferCtxt { infcx, reg_var_to_origin: RefCell::new(Default::default()) } + } + + pub(crate) fn next_region_var<F>( + &self, + origin: RegionVariableOrigin, + get_ctxt_fn: F, + ) -> ty::Region<'tcx> + where + F: Fn() -> RegionCtxt, + { + let next_region = self.infcx.next_region_var(origin); + let vid = next_region + .as_var() + .unwrap_or_else(|| bug!("expected RegionKind::RegionVar on {:?}", next_region)); + + if cfg!(debug_assertions) { + debug!("inserting vid {:?} with origin {:?} into var_to_origin", vid, origin); + let ctxt = get_ctxt_fn(); + let mut var_to_origin = self.reg_var_to_origin.borrow_mut(); + let prev = var_to_origin.insert(vid, ctxt); + + // This only makes sense if not called in a canonicalization context. If this + // ever changes we either want to get rid of `BorrowckInferContext::reg_var_to_origin` + // or modify how we track nll region vars for that map. + assert!(matches!(prev, None)); + } + + next_region + } + + #[instrument(skip(self, get_ctxt_fn), level = "debug")] + pub(crate) fn next_nll_region_var<F>( + &self, + origin: NllRegionVariableOrigin, + get_ctxt_fn: F, + ) -> ty::Region<'tcx> + where + F: Fn() -> RegionCtxt, + { + let next_region = self.infcx.next_nll_region_var(origin.clone()); + let vid = next_region + .as_var() + .unwrap_or_else(|| bug!("expected RegionKind::RegionVar on {:?}", next_region)); + + if cfg!(debug_assertions) { + debug!("inserting vid {:?} with origin {:?} into var_to_origin", vid, origin); + let ctxt = get_ctxt_fn(); + let mut var_to_origin = self.reg_var_to_origin.borrow_mut(); + let prev = var_to_origin.insert(vid, ctxt); + + // This only makes sense if not called in a canonicalization context. If this + // ever changes we either want to get rid of `BorrowckInferContext::reg_var_to_origin` + // or modify how we track nll region vars for that map. + assert!(matches!(prev, None)); + } + + next_region + } +} + +impl<'cx, 'tcx> Deref for BorrowckInferCtxt<'cx, 'tcx> { + type Target = InferCtxt<'tcx>; + + fn deref(&self) -> &'cx Self::Target { + self.infcx + } +} + struct MirBorrowckCtxt<'cx, 'tcx> { - infcx: &'cx InferCtxt<'tcx>, + infcx: &'cx BorrowckInferCtxt<'cx, 'tcx>, param_env: ParamEnv<'tcx>, body: &'cx Body<'tcx>, move_data: &'cx MoveData<'tcx>, diff --git a/compiler/rustc_borrowck/src/nll.rs b/compiler/rustc_borrowck/src/nll.rs index c71413e8e7c..e5dbb83dd07 100644 --- a/compiler/rustc_borrowck/src/nll.rs +++ b/compiler/rustc_borrowck/src/nll.rs @@ -5,7 +5,6 @@ use rustc_data_structures::vec_map::VecMap; use rustc_hir::def_id::LocalDefId; use rustc_index::vec::IndexVec; -use rustc_infer::infer::InferCtxt; use rustc_middle::mir::{create_dump_file, dump_enabled, dump_mir, PassWhere}; use rustc_middle::mir::{ BasicBlock, Body, ClosureOutlivesSubject, ClosureRegionRequirements, LocalKind, Location, @@ -37,7 +36,7 @@ use crate::{ renumber, type_check::{self, MirTypeckRegionConstraints, MirTypeckResults}, universal_regions::UniversalRegions, - Upvar, + BorrowckInferCtxt, Upvar, }; pub type PoloniusOutput = Output<RustcFacts>; @@ -58,7 +57,7 @@ pub(crate) struct NllOutput<'tcx> { /// `compute_regions`. #[instrument(skip(infcx, param_env, body, promoted), level = "debug")] pub(crate) fn replace_regions_in_mir<'tcx>( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, param_env: ty::ParamEnv<'tcx>, body: &mut Body<'tcx>, promoted: &mut IndexVec<Promoted, Body<'tcx>>, @@ -157,7 +156,7 @@ fn populate_polonius_move_facts( /// /// This may result in errors being reported. pub(crate) fn compute_regions<'cx, 'tcx>( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, universal_regions: UniversalRegions<'tcx>, body: &Body<'tcx>, promoted: &IndexVec<Promoted, Body<'tcx>>, @@ -259,6 +258,7 @@ pub(crate) fn compute_regions<'cx, 'tcx>( ); let mut regioncx = RegionInferenceContext::new( + infcx, var_origins, universal_regions, placeholder_indices, @@ -322,7 +322,7 @@ pub(crate) fn compute_regions<'cx, 'tcx>( } pub(super) fn dump_mir_results<'tcx>( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, body: &Body<'tcx>, regioncx: &RegionInferenceContext<'tcx>, closure_region_requirements: &Option<ClosureRegionRequirements<'_>>, @@ -372,7 +372,7 @@ pub(super) fn dump_mir_results<'tcx>( #[allow(rustc::diagnostic_outside_of_impl)] #[allow(rustc::untranslatable_diagnostic)] pub(super) fn dump_annotation<'tcx>( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, body: &Body<'tcx>, regioncx: &RegionInferenceContext<'tcx>, closure_region_requirements: &Option<ClosureRegionRequirements<'_>>, diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index 83fdb6066c6..941da2dd3b5 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -17,7 +17,7 @@ use rustc_middle::mir::{ }; use rustc_middle::traits::ObligationCause; use rustc_middle::traits::ObligationCauseCode; -use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_span::Span; use crate::{ @@ -34,6 +34,7 @@ use crate::{ }, type_check::{free_region_relations::UniversalRegionRelations, Locations}, universal_regions::UniversalRegions, + BorrowckInferCtxt, }; mod dump_mir; @@ -243,6 +244,70 @@ pub enum ExtraConstraintInfo { PlaceholderFromPredicate(Span), } +#[instrument(skip(infcx, sccs), level = "debug")] +fn sccs_info<'cx, 'tcx>( + infcx: &'cx BorrowckInferCtxt<'cx, 'tcx>, + sccs: Rc<Sccs<RegionVid, ConstraintSccIndex>>, +) { + use crate::renumber::RegionCtxt; + + let var_to_origin = infcx.reg_var_to_origin.borrow(); + + let mut var_to_origin_sorted = var_to_origin.clone().into_iter().collect::<Vec<_>>(); + var_to_origin_sorted.sort_by(|a, b| a.0.cmp(&b.0)); + let mut debug_str = "region variables to origins:\n".to_string(); + for (reg_var, origin) in var_to_origin_sorted.into_iter() { + debug_str.push_str(&format!("{:?}: {:?}\n", reg_var, origin)); + } + debug!(debug_str); + + let num_components = sccs.scc_data().ranges().len(); + let mut components = vec![FxHashSet::default(); num_components]; + + for (reg_var_idx, scc_idx) in sccs.scc_indices().iter().enumerate() { + let reg_var = ty::RegionVid::from_usize(reg_var_idx); + let origin = var_to_origin.get(®_var).unwrap_or_else(|| &RegionCtxt::Unknown); + components[scc_idx.as_usize()].insert((reg_var, *origin)); + } + + let mut components_str = "strongly connected components:".to_string(); + for (scc_idx, reg_vars_origins) in components.iter().enumerate() { + let regions_info = reg_vars_origins.clone().into_iter().collect::<Vec<_>>(); + components_str.push_str(&format!( + "{:?}: {:?})", + ConstraintSccIndex::from_usize(scc_idx), + regions_info, + )) + } + debug!(components_str); + + // calculate the best representative for each component + let components_representatives = components + .into_iter() + .enumerate() + .map(|(scc_idx, region_ctxts)| { + let repr = region_ctxts + .into_iter() + .map(|reg_var_origin| reg_var_origin.1) + .max_by(|x, y| x.preference_value().cmp(&y.preference_value())) + .unwrap(); + + (ConstraintSccIndex::from_usize(scc_idx), repr) + }) + .collect::<FxHashMap<_, _>>(); + + let mut scc_node_to_edges = FxHashMap::default(); + for (scc_idx, repr) in components_representatives.iter() { + let edges_range = sccs.scc_data().ranges()[*scc_idx].clone(); + let edges = &sccs.scc_data().all_successors()[edges_range]; + let edge_representatives = + edges.iter().map(|scc_idx| components_representatives[scc_idx]).collect::<Vec<_>>(); + scc_node_to_edges.insert((scc_idx, repr), edge_representatives); + } + + debug!("SCC edges {:#?}", scc_node_to_edges); +} + impl<'tcx> RegionInferenceContext<'tcx> { /// Creates a new region inference context with a total of /// `num_region_variables` valid inference variables; the first N @@ -251,7 +316,8 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// /// The `outlives_constraints` and `type_tests` are an initial set /// of constraints produced by the MIR type check. - pub(crate) fn new( + pub(crate) fn new<'cx>( + _infcx: &BorrowckInferCtxt<'cx, 'tcx>, var_infos: VarInfos, universal_regions: Rc<UniversalRegions<'tcx>>, placeholder_indices: Rc<PlaceholderIndices>, @@ -263,6 +329,11 @@ impl<'tcx> RegionInferenceContext<'tcx> { liveness_constraints: LivenessValues<RegionVid>, elements: &Rc<RegionValueElements>, ) -> Self { + debug!("universal_regions: {:#?}", universal_regions); + debug!("outlives constraints: {:#?}", outlives_constraints); + debug!("placeholder_indices: {:#?}", placeholder_indices); + debug!("type tests: {:#?}", type_tests); + // Create a RegionDefinition for each inference variable. let definitions: IndexVec<_, _> = var_infos .iter() @@ -274,6 +345,10 @@ impl<'tcx> RegionInferenceContext<'tcx> { let fr_static = universal_regions.fr_static; let constraint_sccs = Rc::new(constraints.compute_sccs(&constraint_graph, fr_static)); + if cfg!(debug_assertions) { + sccs_info(_infcx, constraint_sccs.clone()); + } + let mut scc_values = RegionValues::new(elements, universal_regions.len(), &placeholder_indices); @@ -1291,7 +1366,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// we use this kind of hacky solution. fn normalize_to_scc_representatives<T>(&self, tcx: TyCtxt<'tcx>, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { tcx.fold_regions(value, |r, _db| { let vid = self.to_region_vid(r); diff --git a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs index bb42301828d..c550e37c63e 100644 --- a/compiler/rustc_borrowck/src/region_infer/opaque_types.rs +++ b/compiler/rustc_borrowck/src/region_infer/opaque_types.rs @@ -1,12 +1,13 @@ use rustc_data_structures::fx::{FxHashMap, FxIndexSet}; use rustc_data_structures::vec_map::VecMap; +use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::LocalDefId; use rustc_hir::OpaqueTyOrigin; use rustc_infer::infer::TyCtxtInferExt as _; use rustc_infer::infer::{DefiningAnchor, InferCtxt}; use rustc_infer::traits::{Obligation, ObligationCause}; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{self, OpaqueHiddenType, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable}; use rustc_span::Span; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; @@ -149,13 +150,13 @@ impl<'tcx> RegionInferenceContext<'tcx> { // once we convert the generic parameters to those of the opaque type. if let Some(prev) = result.get_mut(&opaque_type_key.def_id) { if prev.ty != ty { - if !ty.references_error() { + let guar = ty.error_reported().err().unwrap_or_else(|| { prev.report_mismatch( &OpaqueHiddenType { ty, span: concrete_type.span }, infcx.tcx, - ); - } - prev.ty = infcx.tcx.ty_error(); + ) + }); + prev.ty = infcx.tcx.ty_error(guar); } // Pick a better span if there is one. // FIXME(oli-obk): collect multiple spans for better diagnostics down the road. @@ -178,7 +179,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// region names in error messages. pub(crate) fn name_regions<T>(&self, tcx: TyCtxt<'tcx>, ty: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { tcx.fold_regions(ty, |region, _| match *region { ty::ReVar(vid) => { @@ -247,20 +248,20 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { origin: OpaqueTyOrigin, ) -> Ty<'tcx> { if let Some(e) = self.tainted_by_errors() { - return self.tcx.ty_error_with_guaranteed(e); + return self.tcx.ty_error(e); } let definition_ty = instantiated_ty .remap_generic_params_to_declaration_params(opaque_type_key, self.tcx, false) .ty; - if !check_opaque_type_parameter_valid( + if let Err(guar) = check_opaque_type_parameter_valid( self.tcx, opaque_type_key, origin, instantiated_ty.span, ) { - return self.tcx.ty_error(); + return self.tcx.ty_error(guar); } // Only check this for TAIT. RPIT already supports `tests/ui/impl-trait/nested-return-type2.rs` @@ -273,7 +274,8 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { // FIXME(oli-obk): Also do region checks here and then consider removing `check_opaque_meets_bounds` entirely. let param_env = self.tcx.param_env(def_id); // HACK This bubble is required for this tests to pass: - // type-alias-impl-trait/issue-67844-nested-opaque.rs + // nested-return-type2-tait2.rs + // nested-return-type2-tait3.rs let infcx = self.tcx.infer_ctxt().with_opaque_type_inference(DefiningAnchor::Bubble).build(); let ocx = ObligationCtxt::new(&infcx); @@ -324,7 +326,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { definition_ty } else { let reported = infcx.err_ctxt().report_fulfillment_errors(&errors, None); - self.tcx.ty_error_with_guaranteed(reported) + self.tcx.ty_error(reported) } } } @@ -334,7 +336,7 @@ fn check_opaque_type_parameter_valid( opaque_type_key: OpaqueTypeKey<'_>, origin: OpaqueTyOrigin, span: Span, -) -> bool { +) -> Result<(), ErrorGuaranteed> { match origin { // No need to check return position impl trait (RPIT) // because for type and const parameters they are correct @@ -357,7 +359,7 @@ fn check_opaque_type_parameter_valid( // fn foo<l0..'ln>() -> foo::<'static..'static>::Foo<'l0..'lm>. // // which would error here on all of the `'static` args. - OpaqueTyOrigin::FnReturn(..) | OpaqueTyOrigin::AsyncFn(..) => return true, + OpaqueTyOrigin::FnReturn(..) | OpaqueTyOrigin::AsyncFn(..) => return Ok(()), // Check these OpaqueTyOrigin::TyAlias => {} } @@ -378,13 +380,13 @@ fn check_opaque_type_parameter_valid( // Prevent `fn foo() -> Foo<u32>` from being defining. let opaque_param = opaque_generics.param_at(i, tcx); let kind = opaque_param.kind.descr(); - tcx.sess.emit_err(NonGenericOpaqueTypeParam { + + return Err(tcx.sess.emit_err(NonGenericOpaqueTypeParam { ty: arg, kind, span, param_span: tcx.def_span(opaque_param.def_id), - }); - return false; + })); } } @@ -395,12 +397,13 @@ fn check_opaque_type_parameter_valid( .into_iter() .map(|i| tcx.def_span(opaque_generics.param_at(i, tcx).def_id)) .collect(); - tcx.sess + return Err(tcx + .sess .struct_span_err(span, "non-defining opaque type use in defining scope") .span_note(spans, &format!("{} used multiple times", descr)) - .emit(); - return false; + .emit()); } } - true + + Ok(()) } diff --git a/compiler/rustc_borrowck/src/region_infer/values.rs b/compiler/rustc_borrowck/src/region_infer/values.rs index 6a3748fded5..c361357ca21 100644 --- a/compiler/rustc_borrowck/src/region_infer/values.rs +++ b/compiler/rustc_borrowck/src/region_infer/values.rs @@ -181,7 +181,7 @@ impl<N: Idx> LivenessValues<N> { /// Maps from `ty::PlaceholderRegion` values that are used in the rest of /// rustc to the internal `PlaceholderIndex` values that are used in /// NLL. -#[derive(Default)] +#[derive(Debug, Default)] pub(crate) struct PlaceholderIndices { indices: FxIndexSet<ty::PlaceholderRegion>, } diff --git a/compiler/rustc_borrowck/src/renumber.rs b/compiler/rustc_borrowck/src/renumber.rs index 084754830bd..016f6f78dfa 100644 --- a/compiler/rustc_borrowck/src/renumber.rs +++ b/compiler/rustc_borrowck/src/renumber.rs @@ -1,18 +1,20 @@ #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] +use crate::BorrowckInferCtxt; use rustc_index::vec::IndexVec; -use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin}; +use rustc_infer::infer::NllRegionVariableOrigin; use rustc_middle::mir::visit::{MutVisitor, TyContext}; use rustc_middle::mir::Constant; use rustc_middle::mir::{Body, Location, Promoted}; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable}; +use rustc_span::{Span, Symbol}; /// Replaces all free regions appearing in the MIR with fresh /// inference variables, returning the number of variables created. #[instrument(skip(infcx, body, promoted), level = "debug")] pub fn renumber_mir<'tcx>( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, body: &mut Body<'tcx>, promoted: &mut IndexVec<Promoted, Body<'tcx>>, ) { @@ -29,27 +31,68 @@ pub fn renumber_mir<'tcx>( /// Replaces all regions appearing in `value` with fresh inference /// variables. -#[instrument(skip(infcx), level = "debug")] -pub fn renumber_regions<'tcx, T>(infcx: &InferCtxt<'tcx>, value: T) -> T +#[instrument(skip(infcx, get_ctxt_fn), level = "debug")] +pub(crate) fn renumber_regions<'tcx, T, F>( + infcx: &BorrowckInferCtxt<'_, 'tcx>, + value: T, + get_ctxt_fn: F, +) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, + F: Fn() -> RegionCtxt, { infcx.tcx.fold_regions(value, |_region, _depth| { let origin = NllRegionVariableOrigin::Existential { from_forall: false }; - infcx.next_nll_region_var(origin) + infcx.next_nll_region_var(origin, || get_ctxt_fn()) }) } +#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)] +pub(crate) enum BoundRegionInfo { + Name(Symbol), + Span(Span), +} + +#[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)] +pub(crate) enum RegionCtxt { + Location(Location), + TyContext(TyContext), + Free(Symbol), + Bound(BoundRegionInfo), + LateBound(BoundRegionInfo), + Existential(Option<Symbol>), + Placeholder(BoundRegionInfo), + Unknown, +} + +impl RegionCtxt { + /// Used to determine the representative of a component in the strongly connected + /// constraint graph + pub(crate) fn preference_value(self) -> usize { + let _anon = Symbol::intern("anon"); + + match self { + RegionCtxt::Unknown => 1, + RegionCtxt::Existential(None) => 2, + RegionCtxt::Existential(Some(_anon)) | RegionCtxt::Free(_anon) => 2, + RegionCtxt::Location(_) => 3, + RegionCtxt::TyContext(_) => 4, + _ => 5, + } + } +} + struct NllVisitor<'a, 'tcx> { - infcx: &'a InferCtxt<'tcx>, + infcx: &'a BorrowckInferCtxt<'a, 'tcx>, } impl<'a, 'tcx> NllVisitor<'a, 'tcx> { - fn renumber_regions<T>(&mut self, value: T) -> T + fn renumber_regions<T, F>(&mut self, value: T, region_ctxt_fn: F) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, + F: Fn() -> RegionCtxt, { - renumber_regions(self.infcx, value) + renumber_regions(self.infcx, value, region_ctxt_fn) } } @@ -60,14 +103,14 @@ impl<'a, 'tcx> MutVisitor<'tcx> for NllVisitor<'a, 'tcx> { #[instrument(skip(self), level = "debug")] fn visit_ty(&mut self, ty: &mut Ty<'tcx>, ty_context: TyContext) { - *ty = self.renumber_regions(*ty); + *ty = self.renumber_regions(*ty, || RegionCtxt::TyContext(ty_context)); debug!(?ty); } #[instrument(skip(self), level = "debug")] fn visit_substs(&mut self, substs: &mut SubstsRef<'tcx>, location: Location) { - *substs = self.renumber_regions(*substs); + *substs = self.renumber_regions(*substs, || RegionCtxt::Location(location)); debug!(?substs); } @@ -75,7 +118,7 @@ impl<'a, 'tcx> MutVisitor<'tcx> for NllVisitor<'a, 'tcx> { #[instrument(skip(self), level = "debug")] fn visit_region(&mut self, region: &mut ty::Region<'tcx>, location: Location) { let old_region = *region; - *region = self.renumber_regions(old_region); + *region = self.renumber_regions(old_region, || RegionCtxt::Location(location)); debug!(?region); } @@ -83,7 +126,7 @@ impl<'a, 'tcx> MutVisitor<'tcx> for NllVisitor<'a, 'tcx> { #[instrument(skip(self), level = "debug")] fn visit_constant(&mut self, constant: &mut Constant<'tcx>, _location: Location) { let literal = constant.literal; - constant.literal = self.renumber_regions(literal); + constant.literal = self.renumber_regions(literal, || RegionCtxt::Location(_location)); debug!("constant: {:#?}", constant); } } diff --git a/compiler/rustc_borrowck/src/session_diagnostics.rs b/compiler/rustc_borrowck/src/session_diagnostics.rs index 13199d03852..a3678929099 100644 --- a/compiler/rustc_borrowck/src/session_diagnostics.rs +++ b/compiler/rustc_borrowck/src/session_diagnostics.rs @@ -55,7 +55,7 @@ pub(crate) struct VarNeedNotMut { #[derive(Diagnostic)] #[diag(borrowck_var_cannot_escape_closure)] #[note] -#[note(cannot_escape)] +#[note(borrowck_cannot_escape)] pub(crate) struct FnMutError { #[primary_span] pub span: Span, @@ -223,7 +223,7 @@ pub(crate) struct MoveBorrow<'a> { pub borrow_place: &'a str, pub value_place: &'a str, #[primary_span] - #[label(move_label)] + #[label(borrowck_move_label)] pub span: Span, #[label] pub borrow_span: Span, diff --git a/compiler/rustc_borrowck/src/type_check/canonical.rs b/compiler/rustc_borrowck/src/type_check/canonical.rs index 2b81a35052d..b27d5d20532 100644 --- a/compiler/rustc_borrowck/src/type_check/canonical.rs +++ b/compiler/rustc_borrowck/src/type_check/canonical.rs @@ -2,7 +2,7 @@ use std::fmt; use rustc_infer::infer::{canonical::Canonical, InferOk}; use rustc_middle::mir::ConstraintCategory; -use rustc_middle::ty::{self, ToPredicate, Ty, TypeFoldable}; +use rustc_middle::ty::{self, ToPredicate, Ty, TyCtxt, TypeFoldable}; use rustc_span::def_id::DefId; use rustc_span::Span; use rustc_trait_selection::traits::query::type_op::{self, TypeOpOutput}; @@ -66,7 +66,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { canonical: &Canonical<'tcx, T>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let old_universe = self.infcx.universe(); @@ -117,7 +117,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { pub(super) fn prove_predicates( &mut self, - predicates: impl IntoIterator<Item = impl ToPredicate<'tcx> + std::fmt::Debug>, + predicates: impl IntoIterator<Item: ToPredicate<'tcx> + std::fmt::Debug>, locations: Locations, category: ConstraintCategory<'tcx>, ) { diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index 1dc6c42fbf7..504633c6a5c 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -6,8 +6,8 @@ use rustc_infer::infer::region_constraints::{GenericKind, VerifyBound}; use rustc_infer::infer::{self, InferCtxt, SubregionOrigin}; use rustc_middle::mir::{ClosureOutlivesSubject, ClosureRegionRequirements, ConstraintCategory}; use rustc_middle::ty::subst::GenericArgKind; -use rustc_middle::ty::TypeFoldable; use rustc_middle::ty::{self, TyCtxt}; +use rustc_middle::ty::{TypeFoldable, TypeVisitableExt}; use rustc_span::{Span, DUMMY_SP}; use crate::{ @@ -171,7 +171,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { /// /// FIXME: This should get removed once higher ranked region obligations /// are dealt with during trait solving. - fn replace_placeholders_with_nll<T: TypeFoldable<'tcx>>(&mut self, value: T) -> T { + fn replace_placeholders_with_nll<T: TypeFoldable<TyCtxt<'tcx>>>(&mut self, value: T) -> T { if value.has_placeholders() { self.tcx.fold_regions(value, |r, _| match *r { ty::RePlaceholder(placeholder) => { diff --git a/compiler/rustc_borrowck/src/type_check/free_region_relations.rs b/compiler/rustc_borrowck/src/type_check/free_region_relations.rs index 2dd24fe0340..e2f897a89e8 100644 --- a/compiler/rustc_borrowck/src/type_check/free_region_relations.rs +++ b/compiler/rustc_borrowck/src/type_check/free_region_relations.rs @@ -270,12 +270,13 @@ impl<'tcx> UniversalRegionRelationsBuilder<'_, 'tcx> { .and(type_op::normalize::Normalize::new(ty)) .fully_perform(self.infcx) .unwrap_or_else(|_| { - self.infcx + let guar = self + .infcx .tcx .sess .delay_span_bug(span, &format!("failed to normalize {:?}", ty)); TypeOpOutput { - output: self.infcx.tcx.ty_error(), + output: self.infcx.tcx.ty_error(guar), constraints: None, error_info: None, } diff --git a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs index 3ff5d188a3d..473c0596300 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/trace.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/trace.rs @@ -3,7 +3,7 @@ use rustc_index::bit_set::HybridBitSet; use rustc_index::interval::IntervalSet; use rustc_infer::infer::canonical::QueryRegionConstraints; use rustc_middle::mir::{BasicBlock, Body, ConstraintCategory, Local, Location}; -use rustc_middle::ty::{Ty, TypeVisitable}; +use rustc_middle::ty::{Ty, TyCtxt, TypeVisitable, TypeVisitableExt}; use rustc_trait_selection::traits::query::dropck_outlives::DropckOutlivesResult; use rustc_trait_selection::traits::query::type_op::outlives::DropckOutlives; use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput}; @@ -477,7 +477,7 @@ impl<'tcx> LivenessContext<'_, '_, '_, 'tcx> { /// points `live_at`. fn add_use_live_facts_for( &mut self, - value: impl TypeVisitable<'tcx>, + value: impl TypeVisitable<TyCtxt<'tcx>>, live_at: &IntervalSet<PointIndex>, ) { debug!("add_use_live_facts_for(value={:?})", value); @@ -542,7 +542,7 @@ impl<'tcx> LivenessContext<'_, '_, '_, 'tcx> { fn make_all_regions_live( elements: &RegionValueElements, typeck: &mut TypeChecker<'_, 'tcx>, - value: impl TypeVisitable<'tcx>, + value: impl TypeVisitable<TyCtxt<'tcx>>, live_at: &IntervalSet<PointIndex>, ) { debug!("make_all_regions_live(value={:?})", value); diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 1ec1f0cb110..c4e7e1f8ffa 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -30,7 +30,7 @@ use rustc_middle::mir::*; use rustc_middle::ty::adjustment::PointerCast; use rustc_middle::ty::cast::CastTy; use rustc_middle::ty::subst::{SubstsRef, UserSubsts}; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{ self, Binder, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, Dynamic, OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserType, UserTypeAnnotationIndex, @@ -64,7 +64,7 @@ use crate::{ region_infer::TypeTest, type_check::free_region_relations::{CreateResult, UniversalRegionRelations}, universal_regions::{DefiningTy, UniversalRegions}, - Upvar, + BorrowckInferCtxt, Upvar, }; macro_rules! span_mirbug { @@ -123,7 +123,7 @@ mod relate_tys; /// - `move_data` -- move-data constructed when performing the maybe-init dataflow analysis /// - `elements` -- MIR region map pub(crate) fn type_check<'mir, 'tcx>( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, param_env: ty::ParamEnv<'tcx>, body: &Body<'tcx>, promoted: &IndexVec<Promoted, Body<'tcx>>, @@ -239,7 +239,7 @@ pub(crate) fn type_check<'mir, 'tcx>( decl.hidden_type.span, &format!("could not resolve {:#?}", hidden_type.ty.kind()), ); - hidden_type.ty = infcx.tcx.ty_error_with_guaranteed(reported); + hidden_type.ty = infcx.tcx.ty_error(reported); } (opaque_type_key, (hidden_type, decl.origin)) @@ -529,12 +529,12 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { for elem in place.projection.iter() { if place_ty.variant_index.is_none() { - if place_ty.ty.references_error() { + if let Err(guar) = place_ty.ty.error_reported() { assert!(self.errors_reported); - return PlaceTy::from_ty(self.tcx().ty_error()); + return PlaceTy::from_ty(self.tcx().ty_error(guar)); } } - place_ty = self.sanitize_projection(place_ty, elem, place, location); + place_ty = self.sanitize_projection(place_ty, elem, place, location, context); } if let PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy) = context { @@ -630,12 +630,14 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { } } + #[instrument(skip(self), level = "debug")] fn sanitize_projection( &mut self, base: PlaceTy<'tcx>, pi: PlaceElem<'tcx>, place: &Place<'tcx>, location: Location, + context: PlaceContext, ) -> PlaceTy<'tcx> { debug!("sanitize_projection: {:?} {:?} {:?}", base, pi, place); let tcx = self.tcx(); @@ -713,8 +715,11 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { match self.field_ty(place, base, field, location) { Ok(ty) => { let ty = self.cx.normalize(ty, location); - if let Err(terr) = self.cx.eq_types( + debug!(?fty, ?ty); + + if let Err(terr) = self.cx.relate_types( ty, + self.get_ambient_variance(context), fty, location.to_locations(), ConstraintCategory::Boring, @@ -743,9 +748,10 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { let ty = self.sanitize_type(place, ty); let ty = self.cx.normalize(ty, location); self.cx - .eq_types( - base.ty, + .relate_types( ty, + self.get_ambient_variance(context), + base.ty, location.to_locations(), ConstraintCategory::TypeAnnotation, ) @@ -757,7 +763,22 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { fn error(&mut self) -> Ty<'tcx> { self.errors_reported = true; - self.tcx().ty_error() + self.tcx().ty_error_misc() + } + + fn get_ambient_variance(&self, context: PlaceContext) -> ty::Variance { + use rustc_middle::mir::visit::NonMutatingUseContext::*; + use rustc_middle::mir::visit::NonUseContext::*; + + match context { + PlaceContext::MutatingUse(_) => ty::Invariant, + PlaceContext::NonUse(StorageDead | StorageLive | VarDebugInfo) => ty::Invariant, + PlaceContext::NonMutatingUse( + Inspect | Copy | Move | SharedBorrow | ShallowBorrow | UniqueBorrow | AddressOf + | Projection, + ) => ty::Covariant, + PlaceContext::NonUse(AscribeUserTy) => ty::Covariant, + } } fn field_ty( @@ -845,7 +866,7 @@ impl<'a, 'b, 'tcx> TypeVerifier<'a, 'b, 'tcx> { /// way, it accrues region constraints -- these can later be used by /// NLL region checking. struct TypeChecker<'a, 'tcx> { - infcx: &'a InferCtxt<'tcx>, + infcx: &'a BorrowckInferCtxt<'a, 'tcx>, param_env: ty::ParamEnv<'tcx>, last_span: Span, body: &'a Body<'tcx>, @@ -998,7 +1019,7 @@ impl Locations { impl<'a, 'tcx> TypeChecker<'a, 'tcx> { fn new( - infcx: &'a InferCtxt<'tcx>, + infcx: &'a BorrowckInferCtxt<'a, 'tcx>, body: &'a Body<'tcx>, param_env: ty::ParamEnv<'tcx>, region_bound_pairs: &'a RegionBoundPairs<'tcx>, @@ -1335,11 +1356,34 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } }; let (sig, map) = tcx.replace_late_bound_regions(sig, |br| { - self.infcx.next_region_var(LateBoundRegion( - term.source_info.span, - br.kind, - LateBoundRegionConversionTime::FnCall, - )) + use crate::renumber::{BoundRegionInfo, RegionCtxt}; + use rustc_span::Symbol; + + let region_ctxt_fn = || { + let reg_info = match br.kind { + ty::BoundRegionKind::BrAnon(_, Some(span)) => { + BoundRegionInfo::Span(span) + } + ty::BoundRegionKind::BrAnon(..) => { + BoundRegionInfo::Name(Symbol::intern("anon")) + } + ty::BoundRegionKind::BrNamed(_, name) => BoundRegionInfo::Name(name), + ty::BoundRegionKind::BrEnv => { + BoundRegionInfo::Name(Symbol::intern("env")) + } + }; + + RegionCtxt::LateBound(reg_info) + }; + + self.infcx.next_region_var( + LateBoundRegion( + term.source_info.span, + br.kind, + LateBoundRegionConversionTime::FnCall, + ), + region_ctxt_fn, + ) }); debug!(?sig); // IMPORTANT: We have to prove well formed for the function signature before @@ -2589,7 +2633,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { DefKind::InlineConst => substs.as_inline_const().parent_substs(), other => bug!("unexpected item {:?}", other), }; - let parent_substs = tcx.mk_substs(parent_substs.iter()); + let parent_substs = tcx.intern_substs(parent_substs); assert_eq!(typeck_root_substs.len(), parent_substs.len()); if let Err(_) = self.eq_substs( diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index 8dd06187877..d96372fb99b 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -4,11 +4,12 @@ use rustc_infer::traits::PredicateObligations; use rustc_middle::mir::ConstraintCategory; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::{self, Ty}; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use rustc_trait_selection::traits::query::Fallible; use crate::constraints::OutlivesConstraint; use crate::diagnostics::UniverseInfo; +use crate::renumber::{BoundRegionInfo, RegionCtxt}; use crate::type_check::{InstantiateOpaqueType, Locations, TypeChecker}; impl<'a, 'tcx> TypeChecker<'a, 'tcx> { @@ -100,23 +101,65 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for NllTypeRelatingDelegate<'_, '_, 'tcx> universe } - fn next_existential_region_var(&mut self, from_forall: bool) -> ty::Region<'tcx> { + #[instrument(skip(self), level = "debug")] + fn next_existential_region_var( + &mut self, + from_forall: bool, + _name: Option<Symbol>, + ) -> ty::Region<'tcx> { let origin = NllRegionVariableOrigin::Existential { from_forall }; - self.type_checker.infcx.next_nll_region_var(origin) + + let reg_var = + self.type_checker.infcx.next_nll_region_var(origin, || RegionCtxt::Existential(_name)); + + reg_var } + #[instrument(skip(self), level = "debug")] fn next_placeholder_region(&mut self, placeholder: ty::PlaceholderRegion) -> ty::Region<'tcx> { - self.type_checker + let reg = self + .type_checker .borrowck_context .constraints - .placeholder_region(self.type_checker.infcx, placeholder) + .placeholder_region(self.type_checker.infcx, placeholder); + + let reg_info = match placeholder.name { + ty::BoundRegionKind::BrAnon(_, Some(span)) => BoundRegionInfo::Span(span), + ty::BoundRegionKind::BrAnon(..) => BoundRegionInfo::Name(Symbol::intern("anon")), + ty::BoundRegionKind::BrNamed(_, name) => BoundRegionInfo::Name(name), + ty::BoundRegionKind::BrEnv => BoundRegionInfo::Name(Symbol::intern("env")), + }; + + let reg_var = + reg.as_var().unwrap_or_else(|| bug!("expected region {:?} to be of kind ReVar", reg)); + let mut var_to_origin = self.type_checker.infcx.reg_var_to_origin.borrow_mut(); + let prev = var_to_origin.insert(reg_var, RegionCtxt::Placeholder(reg_info)); + assert!(matches!(prev, None)); + + reg } + #[instrument(skip(self), level = "debug")] fn generalize_existential(&mut self, universe: ty::UniverseIndex) -> ty::Region<'tcx> { - self.type_checker.infcx.next_nll_region_var_in_universe( + let reg = self.type_checker.infcx.next_nll_region_var_in_universe( NllRegionVariableOrigin::Existential { from_forall: false }, universe, - ) + ); + + let reg_var = + reg.as_var().unwrap_or_else(|| bug!("expected region {:?} to be of kind ReVar", reg)); + + if cfg!(debug_assertions) { + let mut var_to_origin = self.type_checker.infcx.reg_var_to_origin.borrow_mut(); + let prev = var_to_origin.insert(reg_var, RegionCtxt::Existential(None)); + + // It only makes sense to track region vars in non-canonicalization contexts. If this + // ever changes we either want to get rid of `BorrowckInferContext::reg_var_to_origin` + // or modify how we track nll region vars for that map. + assert!(matches!(prev, None)); + } + + reg } fn push_outlives( diff --git a/compiler/rustc_borrowck/src/universal_regions.rs b/compiler/rustc_borrowck/src/universal_regions.rs index efa5a29c5dd..3e8731755fc 100644 --- a/compiler/rustc_borrowck/src/universal_regions.rs +++ b/compiler/rustc_borrowck/src/universal_regions.rs @@ -20,15 +20,18 @@ use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::lang_items::LangItem; use rustc_hir::{BodyOwnerKind, HirId}; use rustc_index::vec::{Idx, IndexVec}; -use rustc_infer::infer::{InferCtxt, NllRegionVariableOrigin}; +use rustc_infer::infer::NllRegionVariableOrigin; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::{ self, DefIdTree, InlineConstSubsts, InlineConstSubstsParts, RegionVid, Ty, TyCtxt, }; use rustc_middle::ty::{InternalSubsts, SubstsRef}; +use rustc_span::Symbol; use std::iter; use crate::nll::ToRegionVid; +use crate::renumber::{BoundRegionInfo, RegionCtxt}; +use crate::BorrowckInferCtxt; #[derive(Debug)] pub struct UniversalRegions<'tcx> { @@ -224,7 +227,7 @@ impl<'tcx> UniversalRegions<'tcx> { /// signature. This will also compute the relationships that are /// known between those regions. pub fn new( - infcx: &InferCtxt<'tcx>, + infcx: &BorrowckInferCtxt<'_, 'tcx>, mir_def: ty::WithOptConstParam<LocalDefId>, param_env: ty::ParamEnv<'tcx>, ) -> Self { @@ -385,7 +388,7 @@ impl<'tcx> UniversalRegions<'tcx> { } struct UniversalRegionsBuilder<'cx, 'tcx> { - infcx: &'cx InferCtxt<'tcx>, + infcx: &'cx BorrowckInferCtxt<'cx, 'tcx>, mir_def: ty::WithOptConstParam<LocalDefId>, mir_hir_id: HirId, param_env: ty::ParamEnv<'tcx>, @@ -403,7 +406,10 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { assert_eq!(FIRST_GLOBAL_INDEX, self.infcx.num_region_vars()); // Create the "global" region that is always free in all contexts: 'static. - let fr_static = self.infcx.next_nll_region_var(FR).to_region_vid(); + let fr_static = self + .infcx + .next_nll_region_var(FR, || RegionCtxt::Free(Symbol::intern("static"))) + .to_region_vid(); // We've now added all the global regions. The next ones we // add will be external. @@ -435,7 +441,17 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { |r| { debug!(?r); if !indices.indices.contains_key(&r) { - let region_vid = self.infcx.next_nll_region_var(FR); + let region_vid = { + let name = match r.get_name() { + Some(name) => name, + _ => Symbol::intern("anon"), + }; + + self.infcx.next_nll_region_var(FR, || { + RegionCtxt::LateBound(BoundRegionInfo::Name(name)) + }) + }; + debug!(?region_vid); indices.insert_late_bound_region(r, region_vid.to_region_vid()); } @@ -463,7 +479,17 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { for_each_late_bound_region_in_item(self.infcx.tcx, self.mir_def.did, |r| { debug!(?r); if !indices.indices.contains_key(&r) { - let region_vid = self.infcx.next_nll_region_var(FR); + let region_vid = { + let name = match r.get_name() { + Some(name) => name, + _ => Symbol::intern("anon"), + }; + + self.infcx.next_nll_region_var(FR, || { + RegionCtxt::LateBound(BoundRegionInfo::Name(name)) + }) + }; + debug!(?region_vid); indices.insert_late_bound_region(r, region_vid.to_region_vid()); } @@ -480,8 +506,13 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { LangItem::VaList, Some(self.infcx.tcx.def_span(self.mir_def.did)), ); - let region = - self.infcx.tcx.mk_re_var(self.infcx.next_nll_region_var(FR).to_region_vid()); + + let reg_vid = self + .infcx + .next_nll_region_var(FR, || RegionCtxt::Free(Symbol::intern("c-variadic"))) + .to_region_vid(); + + let region = self.infcx.tcx.mk_re_var(reg_vid); let va_list_ty = self.infcx.tcx.type_of(va_list_did).subst(self.infcx.tcx, &[region.into()]); @@ -491,7 +522,11 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { } } - let fr_fn_body = self.infcx.next_nll_region_var(FR).to_region_vid(); + let fr_fn_body = self + .infcx + .next_nll_region_var(FR, || RegionCtxt::Free(Symbol::intern("fn_body"))) + .to_region_vid(); + let num_universals = self.infcx.num_region_vars(); debug!("build: global regions = {}..{}", FIRST_GLOBAL_INDEX, first_extern_index); @@ -693,7 +728,7 @@ trait InferCtxtExt<'tcx> { value: T, ) -> T where - T: TypeFoldable<'tcx>; + T: TypeFoldable<TyCtxt<'tcx>>; fn replace_bound_regions_with_nll_infer_vars<T>( &self, @@ -703,7 +738,7 @@ trait InferCtxtExt<'tcx> { indices: &mut UniversalRegionIndices<'tcx>, ) -> T where - T: TypeFoldable<'tcx>; + T: TypeFoldable<TyCtxt<'tcx>>; fn replace_late_bound_regions_with_nll_infer_vars_in_recursive_scope( &self, @@ -718,16 +753,27 @@ trait InferCtxtExt<'tcx> { ); } -impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { +impl<'cx, 'tcx> InferCtxtExt<'tcx> for BorrowckInferCtxt<'cx, 'tcx> { + #[instrument(skip(self), level = "debug")] fn replace_free_regions_with_nll_infer_vars<T>( &self, origin: NllRegionVariableOrigin, value: T, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { - self.tcx.fold_regions(value, |_region, _depth| self.next_nll_region_var(origin)) + self.infcx.tcx.fold_regions(value, |region, _depth| { + let name = match region.get_name() { + Some(name) => name, + _ => Symbol::intern("anon"), + }; + debug!(?region, ?name); + + let reg_var = self.next_nll_region_var(origin, || RegionCtxt::Free(name)); + + reg_var + }) } #[instrument(level = "debug", skip(self, indices))] @@ -739,12 +785,20 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { indices: &mut UniversalRegionIndices<'tcx>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let (value, _map) = self.tcx.replace_late_bound_regions(value, |br| { debug!(?br); let liberated_region = self.tcx.mk_re_free(all_outlive_scope.to_def_id(), br.kind); - let region_vid = self.next_nll_region_var(origin); + let region_vid = { + let name = match br.kind.get_name() { + Some(name) => name, + _ => Symbol::intern("anon"), + }; + + self.next_nll_region_var(origin, || RegionCtxt::Bound(BoundRegionInfo::Name(name))) + }; + indices.insert_late_bound_region(liberated_region, region_vid.to_region_vid()); debug!(?liberated_region, ?region_vid); region_vid @@ -770,7 +824,17 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { for_each_late_bound_region_in_recursive_scope(self.tcx, mir_def_id, |r| { debug!(?r); if !indices.indices.contains_key(&r) { - let region_vid = self.next_nll_region_var(FR); + let region_vid = { + let name = match r.get_name() { + Some(name) => name, + _ => Symbol::intern("anon"), + }; + + self.next_nll_region_var(FR, || { + RegionCtxt::LateBound(BoundRegionInfo::Name(name)) + }) + }; + debug!(?region_vid); indices.insert_late_bound_region(r, region_vid.to_region_vid()); } @@ -786,8 +850,17 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { for_each_late_bound_region_in_item(self.tcx, mir_def_id, |r| { debug!(?r); if !indices.indices.contains_key(&r) { - let region_vid = self.next_nll_region_var(FR); - debug!(?region_vid); + let region_vid = { + let name = match r.get_name() { + Some(name) => name, + _ => Symbol::intern("anon"), + }; + + self.next_nll_region_var(FR, || { + RegionCtxt::LateBound(BoundRegionInfo::Name(name)) + }) + }; + indices.insert_late_bound_region(r, region_vid.to_region_vid()); } }); @@ -833,7 +906,7 @@ impl<'tcx> UniversalRegionIndices<'tcx> { /// returned by `to_region_vid`. pub fn fold_to_region_vids<T>(&self, tcx: TyCtxt<'tcx>, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { tcx.fold_regions(value, |region, _| tcx.mk_re_var(self.to_region_vid(region))) } diff --git a/compiler/rustc_builtin_macros/Cargo.toml b/compiler/rustc_builtin_macros/Cargo.toml index 467fa932a15..336e14ef966 100644 --- a/compiler/rustc_builtin_macros/Cargo.toml +++ b/compiler/rustc_builtin_macros/Cargo.toml @@ -23,5 +23,5 @@ rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/builtin_macros.ftl b/compiler/rustc_builtin_macros/locales/en-US.ftl index 4d088e27b36..4d088e27b36 100644 --- a/compiler/rustc_error_messages/locales/en-US/builtin_macros.ftl +++ b/compiler/rustc_builtin_macros/locales/en-US.ftl diff --git a/compiler/rustc_builtin_macros/src/alloc_error_handler.rs b/compiler/rustc_builtin_macros/src/alloc_error_handler.rs index dcf500ddbd3..ac6697232cb 100644 --- a/compiler/rustc_builtin_macros/src/alloc_error_handler.rs +++ b/compiler/rustc_builtin_macros/src/alloc_error_handler.rs @@ -6,7 +6,7 @@ use rustc_ast::{Fn, ItemKind, Stmt, TyKind, Unsafe}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::Span; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub fn expand( ecx: &mut ExtCtxt<'_>, @@ -39,10 +39,10 @@ pub fn expand( let span = ecx.with_def_site_ctxt(item.span); // Generate item statements for the allocator methods. - let stmts = vec![generate_handler(ecx, item.ident, span, sig_span)]; + let stmts = thin_vec![generate_handler(ecx, item.ident, span, sig_span)]; // Generate anonymous constant serving as container for the allocator methods. - let const_ty = ecx.ty(sig_span, TyKind::Tup(Vec::new())); + let const_ty = ecx.ty(sig_span, TyKind::Tup(ThinVec::new())); let const_body = ecx.expr_block(ecx.block(span, stmts)); let const_item = ecx.item_const(span, Ident::new(kw::Underscore, span), const_ty, const_body); let const_item = if is_stmt { @@ -67,13 +67,16 @@ fn generate_handler(cx: &ExtCtxt<'_>, handler: Ident, span: Span, sig_span: Span let layout_new = cx.std_path(&[sym::alloc, sym::Layout, sym::from_size_align_unchecked]); let layout_new = cx.expr_path(cx.path(span, layout_new)); - let layout = - cx.expr_call(span, layout_new, vec![cx.expr_ident(span, size), cx.expr_ident(span, align)]); + let layout = cx.expr_call( + span, + layout_new, + thin_vec![cx.expr_ident(span, size), cx.expr_ident(span, align)], + ); - let call = cx.expr_call_ident(sig_span, handler, vec![layout]); + let call = cx.expr_call_ident(sig_span, handler, thin_vec![layout]); let never = ast::FnRetTy::Ty(cx.ty(span, TyKind::Never)); - let params = vec![cx.param(span, size, ty_usize.clone()), cx.param(span, align, ty_usize)]; + let params = thin_vec![cx.param(span, size, ty_usize.clone()), cx.param(span, align, ty_usize)]; let decl = cx.fn_decl(params, never); let header = FnHeader { unsafety: Unsafe::Yes(span), ..FnHeader::default() }; let sig = FnSig { decl, header, span: span }; diff --git a/compiler/rustc_builtin_macros/src/assert.rs b/compiler/rustc_builtin_macros/src/assert.rs index 8555c3593b3..75af5e2b1fa 100644 --- a/compiler/rustc_builtin_macros/src/assert.rs +++ b/compiler/rustc_builtin_macros/src/assert.rs @@ -11,6 +11,7 @@ use rustc_expand::base::{DummyResult, ExtCtxt, MacEager, MacResult}; use rustc_parse::parser::Parser; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; +use thin_vec::thin_vec; pub fn expand_assert<'cx>( cx: &'cx mut ExtCtxt<'_>, @@ -79,7 +80,7 @@ pub fn expand_assert<'cx>( let then = cx.expr_call_global( call_site_span, cx.std_path(&[sym::panicking, sym::panic]), - vec![cx.expr_str( + thin_vec![cx.expr_str( DUMMY_SP, Symbol::intern(&format!( "assertion failed: {}", diff --git a/compiler/rustc_builtin_macros/src/assert/context.rs b/compiler/rustc_builtin_macros/src/assert/context.rs index 342b1735661..b0b4dda16af 100644 --- a/compiler/rustc_builtin_macros/src/assert/context.rs +++ b/compiler/rustc_builtin_macros/src/assert/context.rs @@ -12,7 +12,7 @@ use rustc_span::{ symbol::{sym, Ident, Symbol}, Span, }; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub(super) struct Context<'cx, 'a> { // An optimization. @@ -83,12 +83,12 @@ impl<'cx, 'a> Context<'cx, 'a> { let Self { best_case_captures, capture_decls, cx, local_bind_decls, span, .. } = self; - let mut assert_then_stmts = Vec::with_capacity(2); + let mut assert_then_stmts = ThinVec::with_capacity(2); assert_then_stmts.extend(best_case_captures); assert_then_stmts.push(self.cx.stmt_expr(panic)); let assert_then = self.cx.block(span, assert_then_stmts); - let mut stmts = Vec::with_capacity(4); + let mut stmts = ThinVec::with_capacity(4); stmts.push(initial_imports); stmts.extend(capture_decls.into_iter().map(|c| c.decl)); stmts.extend(local_bind_decls); @@ -120,7 +120,7 @@ impl<'cx, 'a> Context<'cx, 'a> { thin_vec![self.cx.attr_nested_word(sym::allow, sym::unused_imports, self.span)], ItemKind::Use(UseTree { prefix: self.cx.path(self.span, self.cx.std_path(&[sym::asserting])), - kind: UseTreeKind::Nested(vec![ + kind: UseTreeKind::Nested(thin_vec![ nested_tree(self, sym::TryCaptureGeneric), nested_tree(self, sym::TryCapturePrintable), ]), @@ -136,7 +136,7 @@ impl<'cx, 'a> Context<'cx, 'a> { self.cx.expr_call( self.span, self.cx.expr_path(self.cx.path(self.span, unlikely_path)), - vec![self.cx.expr(self.span, ExprKind::Unary(UnOp::Not, cond_expr))], + thin_vec![self.cx.expr(self.span, ExprKind::Unary(UnOp::Not, cond_expr))], ) } @@ -339,7 +339,7 @@ impl<'cx, 'a> Context<'cx, 'a> { let init = self.cx.expr_call( self.span, self.cx.expr_path(self.cx.path(self.span, init_std_path)), - vec![], + ThinVec::new(), ); let capture = Capture { decl: self.cx.stmt_let(self.span, true, ident, init), ident }; self.capture_decls.push(capture); @@ -366,7 +366,7 @@ impl<'cx, 'a> Context<'cx, 'a> { self.cx.expr_path( self.cx.path(self.span, self.cx.std_path(&[sym::asserting, sym::Wrapper])), ), - vec![self.cx.expr_path(Path::from_ident(local_bind))], + thin_vec![self.cx.expr_path(Path::from_ident(local_bind))], ); let try_capture_call = self .cx @@ -378,7 +378,7 @@ impl<'cx, 'a> Context<'cx, 'a> { ident: Ident::new(sym::try_capture, self.span), }, expr_paren(self.cx, self.span, self.cx.expr_addr_of(self.span, wrapper)), - vec![expr_addr_of_mut( + thin_vec![expr_addr_of_mut( self.cx, self.span, self.cx.expr_path(Path::from_ident(capture)), @@ -389,7 +389,7 @@ impl<'cx, 'a> Context<'cx, 'a> { let local_bind_path = self.cx.expr_path(Path::from_ident(local_bind)); let rslt = if self.is_consumed { let ret = self.cx.stmt_expr(local_bind_path); - self.cx.expr_block(self.cx.block(self.span, vec![try_capture_call, ret])) + self.cx.expr_block(self.cx.block(self.span, thin_vec![try_capture_call, ret])) } else { self.best_case_captures.push(try_capture_call); local_bind_path @@ -441,7 +441,7 @@ fn expr_method_call( cx: &ExtCtxt<'_>, seg: PathSegment, receiver: P<Expr>, - args: Vec<P<Expr>>, + args: ThinVec<P<Expr>>, span: Span, ) -> P<Expr> { cx.expr(span, ExprKind::MethodCall(Box::new(MethodCall { seg, receiver, args, span }))) diff --git a/compiler/rustc_builtin_macros/src/deriving/clone.rs b/compiler/rustc_builtin_macros/src/deriving/clone.rs index 42f50d8ade2..dfee2d3ce77 100644 --- a/compiler/rustc_builtin_macros/src/deriving/clone.rs +++ b/compiler/rustc_builtin_macros/src/deriving/clone.rs @@ -6,7 +6,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::Span; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_clone( cx: &mut ExtCtxt<'_>, @@ -100,7 +100,7 @@ fn cs_clone_simple( substr: &Substructure<'_>, is_union: bool, ) -> BlockOrExpr { - let mut stmts = Vec::new(); + let mut stmts = ThinVec::new(); let mut seen_type_names = FxHashSet::default(); let mut process_variant = |variant: &VariantData| { for field in variant.fields() { @@ -162,7 +162,7 @@ fn cs_clone( let all_fields; let fn_path = cx.std_path(&[sym::clone, sym::Clone, sym::clone]); let subcall = |cx: &mut ExtCtxt<'_>, field: &FieldInfo| { - let args = vec![field.self_expr.clone()]; + let args = thin_vec![field.self_expr.clone()]; cx.expr_call_global(field.span, fn_path.clone(), args) }; @@ -200,7 +200,7 @@ fn cs_clone( let call = subcall(cx, field); cx.field_imm(field.span, ident, call) }) - .collect::<Vec<_>>(); + .collect::<ThinVec<_>>(); cx.expr_struct(trait_span, ctor_path, fields) } diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs index 424719f9795..af971958680 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs @@ -7,7 +7,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::sym; use rustc_span::Span; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_eq( cx: &mut ExtCtxt<'_>, @@ -56,7 +56,7 @@ fn cs_total_eq_assert( trait_span: Span, substr: &Substructure<'_>, ) -> BlockOrExpr { - let mut stmts = Vec::new(); + let mut stmts = ThinVec::new(); let mut seen_type_names = FxHashSet::default(); let mut process_variant = |variant: &ast::VariantData| { for field in variant.fields() { diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs index 671f32550d2..cfd36f030a1 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs @@ -64,14 +64,14 @@ pub fn cs_cmp(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_>) -> Bl let [other_expr] = &field.other_selflike_exprs[..] else { cx.span_bug(field.span, "not exactly 2 arguments in `derive(Ord)`"); }; - let args = vec![field.self_expr.clone(), other_expr.clone()]; + let args = thin_vec![field.self_expr.clone(), other_expr.clone()]; cx.expr_call_global(field.span, cmp_path.clone(), args) } CsFold::Combine(span, expr1, expr2) => { let eq_arm = cx.arm(span, cx.pat_path(span, equal_path.clone()), expr1); let neq_arm = cx.arm(span, cx.pat_ident(span, test_id), cx.expr_ident(span, test_id)); - cx.expr_match(span, expr2, vec![eq_arm, neq_arm]) + cx.expr_match(span, expr2, thin_vec![eq_arm, neq_arm]) } CsFold::Fieldless => cx.expr_path(equal_path.clone()), }, diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs index bcc90442eb7..9f46247908d 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs @@ -98,7 +98,7 @@ fn cs_partial_cmp( let [other_expr] = &field.other_selflike_exprs[..] else { cx.span_bug(field.span, "not exactly 2 arguments in `derive(Ord)`"); }; - let args = vec![field.self_expr.clone(), other_expr.clone()]; + let args = thin_vec![field.self_expr.clone(), other_expr.clone()]; cx.expr_call_global(field.span, partial_cmp_path.clone(), args) } CsFold::Combine(span, mut expr1, expr2) => { @@ -143,7 +143,7 @@ fn cs_partial_cmp( cx.arm(span, cx.pat_some(span, cx.pat_path(span, equal_path.clone())), expr1); let neq_arm = cx.arm(span, cx.pat_ident(span, test_id), cx.expr_ident(span, test_id)); - cx.expr_match(span, expr2, vec![eq_arm, neq_arm]) + cx.expr_match(span, expr2, thin_vec![eq_arm, neq_arm]) } } CsFold::Fieldless => cx.expr_some(span, cx.expr_path(equal_path.clone())), diff --git a/compiler/rustc_builtin_macros/src/deriving/debug.rs b/compiler/rustc_builtin_macros/src/deriving/debug.rs index d30e8ba4b93..809f9838d20 100644 --- a/compiler/rustc_builtin_macros/src/deriving/debug.rs +++ b/compiler/rustc_builtin_macros/src/deriving/debug.rs @@ -7,6 +7,7 @@ use rustc_ast::{self as ast, MetaItem}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_debug( cx: &mut ExtCtxt<'_>, @@ -94,7 +95,7 @@ fn show_substructure(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_> if fields.is_empty() { // Special case for no fields. let fn_path_write_str = cx.std_path(&[sym::fmt, sym::Formatter, sym::write_str]); - let expr = cx.expr_call_global(span, fn_path_write_str, vec![fmt, name]); + let expr = cx.expr_call_global(span, fn_path_write_str, thin_vec![fmt, name]); BlockOrExpr::new_expr(expr) } else if fields.len() <= CUTOFF { // Few enough fields that we can use a specific-length method. @@ -105,7 +106,7 @@ fn show_substructure(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_> }; let fn_path_debug = cx.std_path(&[sym::fmt, sym::Formatter, Symbol::intern(&debug)]); - let mut args = Vec::with_capacity(2 + fields.len() * args_per_field); + let mut args = ThinVec::with_capacity(2 + fields.len() * args_per_field); args.extend([fmt, name]); for i in 0..fields.len() { let field = &fields[i]; @@ -121,8 +122,8 @@ fn show_substructure(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_> BlockOrExpr::new_expr(expr) } else { // Enough fields that we must use the any-length method. - let mut name_exprs = Vec::with_capacity(fields.len()); - let mut value_exprs = Vec::with_capacity(fields.len()); + let mut name_exprs = ThinVec::with_capacity(fields.len()); + let mut value_exprs = ThinVec::with_capacity(fields.len()); for i in 0..fields.len() { let field = &fields[i]; @@ -177,7 +178,7 @@ fn show_substructure(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_> }; let fn_path_debug_internal = cx.std_path(&[sym::fmt, sym::Formatter, sym_debug]); - let mut args = Vec::with_capacity(4); + let mut args = ThinVec::with_capacity(4); args.push(fmt); args.push(name); if is_struct { @@ -186,7 +187,7 @@ fn show_substructure(cx: &mut ExtCtxt<'_>, span: Span, substr: &Substructure<'_> args.push(cx.expr_ident(span, Ident::new(sym::values, span))); let expr = cx.expr_call_global(span, fn_path_debug_internal, args); - let mut stmts = Vec::with_capacity(3); + let mut stmts = ThinVec::with_capacity(2); if is_struct { stmts.push(names_let.unwrap()); } @@ -223,18 +224,18 @@ fn show_fieldless_enum( let pat = match &v.data { ast::VariantData::Tuple(fields, _) => { debug_assert!(fields.is_empty()); - cx.pat_tuple_struct(span, variant_path, vec![]) + cx.pat_tuple_struct(span, variant_path, ThinVec::new()) } ast::VariantData::Struct(fields, _) => { debug_assert!(fields.is_empty()); - cx.pat_struct(span, variant_path, vec![]) + cx.pat_struct(span, variant_path, ThinVec::new()) } ast::VariantData::Unit(_) => cx.pat_path(span, variant_path), }; cx.arm(span, pat, cx.expr_str(span, v.ident.name)) }) - .collect::<Vec<_>>(); + .collect::<ThinVec<_>>(); let name = cx.expr_match(span, cx.expr_self(span), arms); let fn_path_write_str = cx.std_path(&[sym::fmt, sym::Formatter, sym::write_str]); - BlockOrExpr::new_expr(cx.expr_call_global(span, fn_path_write_str, vec![fmt, name])) + BlockOrExpr::new_expr(cx.expr_call_global(span, fn_path_write_str, thin_vec![fmt, name])) } diff --git a/compiler/rustc_builtin_macros/src/deriving/decodable.rs b/compiler/rustc_builtin_macros/src/deriving/decodable.rs index c783e46eda9..3921533c84a 100644 --- a/compiler/rustc_builtin_macros/src/deriving/decodable.rs +++ b/compiler/rustc_builtin_macros/src/deriving/decodable.rs @@ -3,12 +3,12 @@ use crate::deriving::generic::ty::*; use crate::deriving::generic::*; use crate::deriving::pathvec_std; - use rustc_ast::ptr::P; use rustc_ast::{self as ast, Expr, MetaItem, Mutability}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_rustc_decodable( cx: &mut ExtCtxt<'_>, @@ -96,7 +96,7 @@ fn decodable_substructure( cx.expr_call_global( span, fn_read_struct_field_path.clone(), - vec![ + thin_vec![ blkdecoder.clone(), cx.expr_str(span, name), cx.expr_usize(span, field), @@ -112,7 +112,7 @@ fn decodable_substructure( cx.expr_call_global( trait_span, fn_read_struct_path, - vec![ + thin_vec![ decoder, cx.expr_str(trait_span, substr.type_ident.name), cx.expr_usize(trait_span, nfields), @@ -123,8 +123,8 @@ fn decodable_substructure( StaticEnum(_, fields) => { let variant = Ident::new(sym::i, trait_span); - let mut arms = Vec::with_capacity(fields.len() + 1); - let mut variants = Vec::with_capacity(fields.len()); + let mut arms = ThinVec::with_capacity(fields.len() + 1); + let mut variants = ThinVec::with_capacity(fields.len()); let fn_read_enum_variant_arg_path: Vec<_> = cx.def_site_path(&[sym::rustc_serialize, sym::Decoder, sym::read_enum_variant_arg]); @@ -141,7 +141,7 @@ fn decodable_substructure( cx.expr_call_global( span, fn_read_enum_variant_arg_path.clone(), - vec![blkdecoder.clone(), idx, exprdecode.clone()], + thin_vec![blkdecoder.clone(), idx, exprdecode.clone()], ), ) }); @@ -162,7 +162,7 @@ fn decodable_substructure( let result = cx.expr_call_global( trait_span, fn_read_enum_variant_path, - vec![blkdecoder, variant_array_ref, lambda], + thin_vec![blkdecoder, variant_array_ref, lambda], ); let fn_read_enum_path: Vec<_> = cx.def_site_path(&[sym::rustc_serialize, sym::Decoder, sym::read_enum]); @@ -170,7 +170,7 @@ fn decodable_substructure( cx.expr_call_global( trait_span, fn_read_enum_path, - vec![ + thin_vec![ decoder, cx.expr_str(trait_span, substr.type_ident.name), cx.lambda1(trait_span, result, blkarg), diff --git a/compiler/rustc_builtin_macros/src/deriving/default.rs b/compiler/rustc_builtin_macros/src/deriving/default.rs index a6c8b111527..4d753a2ed80 100644 --- a/compiler/rustc_builtin_macros/src/deriving/default.rs +++ b/compiler/rustc_builtin_macros/src/deriving/default.rs @@ -8,7 +8,7 @@ use rustc_span::symbol::Ident; use rustc_span::symbol::{kw, sym}; use rustc_span::Span; use smallvec::SmallVec; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_default( cx: &mut ExtCtxt<'_>, @@ -60,7 +60,7 @@ fn default_struct_substructure( ) -> BlockOrExpr { // Note that `kw::Default` is "default" and `sym::Default` is "Default"! let default_ident = cx.std_path(&[kw::Default, sym::Default, kw::Default]); - let default_call = |span| cx.expr_call_global(span, default_ident.clone(), Vec::new()); + let default_call = |span| cx.expr_call_global(span, default_ident.clone(), ThinVec::new()); let expr = match summary { Unnamed(_, false) => cx.expr_ident(trait_span, substr.type_ident), diff --git a/compiler/rustc_builtin_macros/src/deriving/encodable.rs b/compiler/rustc_builtin_macros/src/deriving/encodable.rs index a5e2b599df4..a3b11309d0c 100644 --- a/compiler/rustc_builtin_macros/src/deriving/encodable.rs +++ b/compiler/rustc_builtin_macros/src/deriving/encodable.rs @@ -88,11 +88,11 @@ use crate::deriving::generic::ty::*; use crate::deriving::generic::*; use crate::deriving::pathvec_std; - use rustc_ast::{AttrVec, ExprKind, MetaItem, Mutability}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; +use thin_vec::{thin_vec, ThinVec}; pub fn expand_deriving_rustc_encodable( cx: &mut ExtCtxt<'_>, @@ -169,19 +169,20 @@ fn encodable_substructure( Struct(_, fields) => { let fn_emit_struct_field_path = cx.def_site_path(&[sym::rustc_serialize, sym::Encoder, sym::emit_struct_field]); - let mut stmts = Vec::new(); + let mut stmts = ThinVec::new(); for (i, &FieldInfo { name, ref self_expr, span, .. }) in fields.iter().enumerate() { let name = match name { Some(id) => id.name, None => Symbol::intern(&format!("_field{}", i)), }; let self_ref = cx.expr_addr_of(span, self_expr.clone()); - let enc = cx.expr_call(span, fn_path.clone(), vec![self_ref, blkencoder.clone()]); + let enc = + cx.expr_call(span, fn_path.clone(), thin_vec![self_ref, blkencoder.clone()]); let lambda = cx.lambda1(span, enc, blkarg); let call = cx.expr_call_global( span, fn_emit_struct_field_path.clone(), - vec![ + thin_vec![ blkencoder.clone(), cx.expr_str(span, name), cx.expr_usize(span, i), @@ -203,7 +204,7 @@ fn encodable_substructure( // unit structs have no fields and need to return Ok() let blk = if stmts.is_empty() { - let ok = cx.expr_ok(trait_span, cx.expr_tuple(trait_span, vec![])); + let ok = cx.expr_ok(trait_span, cx.expr_tuple(trait_span, ThinVec::new())); cx.lambda1(trait_span, ok, blkarg) } else { cx.lambda_stmts_1(trait_span, stmts, blkarg) @@ -215,7 +216,7 @@ fn encodable_substructure( let expr = cx.expr_call_global( trait_span, fn_emit_struct_path, - vec![ + thin_vec![ encoder, cx.expr_str(trait_span, substr.type_ident.name), cx.expr_usize(trait_span, fields.len()), @@ -236,19 +237,22 @@ fn encodable_substructure( let fn_emit_enum_variant_arg_path: Vec<_> = cx.def_site_path(&[sym::rustc_serialize, sym::Encoder, sym::emit_enum_variant_arg]); - let mut stmts = Vec::new(); + let mut stmts = ThinVec::new(); if !fields.is_empty() { let last = fields.len() - 1; for (i, &FieldInfo { ref self_expr, span, .. }) in fields.iter().enumerate() { let self_ref = cx.expr_addr_of(span, self_expr.clone()); - let enc = - cx.expr_call(span, fn_path.clone(), vec![self_ref, blkencoder.clone()]); + let enc = cx.expr_call( + span, + fn_path.clone(), + thin_vec![self_ref, blkencoder.clone()], + ); let lambda = cx.lambda1(span, enc, blkarg); let call = cx.expr_call_global( span, fn_emit_enum_variant_arg_path.clone(), - vec![blkencoder.clone(), cx.expr_usize(span, i), lambda], + thin_vec![blkencoder.clone(), cx.expr_usize(span, i), lambda], ); let call = if i != last { cx.expr_try(span, call) @@ -258,7 +262,7 @@ fn encodable_substructure( stmts.push(cx.stmt_expr(call)); } } else { - let ok = cx.expr_ok(trait_span, cx.expr_tuple(trait_span, vec![])); + let ok = cx.expr_ok(trait_span, cx.expr_tuple(trait_span, ThinVec::new())); let ret_ok = cx.expr(trait_span, ExprKind::Ret(Some(ok))); stmts.push(cx.stmt_expr(ret_ok)); } @@ -272,7 +276,7 @@ fn encodable_substructure( let call = cx.expr_call_global( trait_span, fn_emit_enum_variant_path, - vec![ + thin_vec![ blkencoder, name, cx.expr_usize(trait_span, *idx), @@ -287,9 +291,9 @@ fn encodable_substructure( let expr = cx.expr_call_global( trait_span, fn_emit_enum_path, - vec![encoder, cx.expr_str(trait_span, substr.type_ident.name), blk], + thin_vec![encoder, cx.expr_str(trait_span, substr.type_ident.name), blk], ); - BlockOrExpr::new_mixed(vec![me], Some(expr)) + BlockOrExpr::new_mixed(thin_vec![me], Some(expr)) } _ => cx.bug("expected Struct or EnumMatching in derive(Encodable)"), diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 7fc735dbafa..1f819beeb5d 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -177,7 +177,7 @@ use std::cell::RefCell; use std::iter; use std::ops::Not; use std::vec; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; use ty::{Bounds, Path, Ref, Self_, Ty}; pub mod ty; @@ -318,7 +318,7 @@ pub fn combine_substructure( } struct TypeParameter { - bound_generic_params: Vec<ast::GenericParam>, + bound_generic_params: ThinVec<ast::GenericParam>, ty: P<ast::Ty>, } @@ -328,18 +328,18 @@ struct TypeParameter { /// avoiding the insertion of any unnecessary blocks. /// /// The statements come before the expression. -pub struct BlockOrExpr(Vec<ast::Stmt>, Option<P<Expr>>); +pub struct BlockOrExpr(ThinVec<ast::Stmt>, Option<P<Expr>>); impl BlockOrExpr { - pub fn new_stmts(stmts: Vec<ast::Stmt>) -> BlockOrExpr { + pub fn new_stmts(stmts: ThinVec<ast::Stmt>) -> BlockOrExpr { BlockOrExpr(stmts, None) } pub fn new_expr(expr: P<Expr>) -> BlockOrExpr { - BlockOrExpr(vec![], Some(expr)) + BlockOrExpr(ThinVec::new(), Some(expr)) } - pub fn new_mixed(stmts: Vec<ast::Stmt>, expr: Option<P<Expr>>) -> BlockOrExpr { + pub fn new_mixed(stmts: ThinVec<ast::Stmt>, expr: Option<P<Expr>>) -> BlockOrExpr { BlockOrExpr(stmts, expr) } @@ -355,7 +355,7 @@ impl BlockOrExpr { fn into_expr(self, cx: &ExtCtxt<'_>, span: Span) -> P<Expr> { if self.0.is_empty() { match self.1 { - None => cx.expr_block(cx.block(span, vec![])), + None => cx.expr_block(cx.block(span, ThinVec::new())), Some(expr) => expr, } } else if self.0.len() == 1 @@ -385,7 +385,7 @@ fn find_type_parameters( struct Visitor<'a, 'b> { cx: &'a ExtCtxt<'b>, ty_param_names: &'a [Symbol], - bound_generic_params_stack: Vec<ast::GenericParam>, + bound_generic_params_stack: ThinVec<ast::GenericParam>, type_params: Vec<TypeParameter>, } @@ -422,7 +422,7 @@ fn find_type_parameters( let mut visitor = Visitor { cx, ty_param_names, - bound_generic_params_stack: Vec::new(), + bound_generic_params_stack: ThinVec::new(), type_params: Vec::new(), }; visit::Visitor::visit_ty(&mut visitor, ty); @@ -594,7 +594,7 @@ impl<'a> TraitDef<'a> { let span = generics.span.with_ctxt(ctxt); // Create the generic parameters - let params: Vec<_> = generics + let params: ThinVec<_> = generics .params .iter() .map(|param| match ¶m.kind { @@ -761,8 +761,7 @@ impl<'a> TraitDef<'a> { let path = cx.path_all(self.span, false, vec![type_ident], self_params); let self_type = cx.ty_path(path); - let attr = cx.attr_word(sym::automatically_derived, self.span); - let attrs = thin_vec![attr]; + let attrs = thin_vec![cx.attr_word(sym::automatically_derived, self.span),]; let opt_trait_ref = Some(trait_ref); cx.item( @@ -936,8 +935,8 @@ impl<'a> MethodDef<'a> { trait_: &TraitDef<'_>, type_ident: Ident, generics: &Generics, - ) -> (Option<ast::ExplicitSelf>, Vec<P<Expr>>, Vec<P<Expr>>, Vec<(Ident, P<ast::Ty>)>) { - let mut selflike_args = Vec::new(); + ) -> (Option<ast::ExplicitSelf>, ThinVec<P<Expr>>, Vec<P<Expr>>, Vec<(Ident, P<ast::Ty>)>) { + let mut selflike_args = ThinVec::new(); let mut nonselflike_args = Vec::new(); let mut nonself_arg_tys = Vec::new(); let span = trait_.span; @@ -1134,7 +1133,7 @@ impl<'a> MethodDef<'a> { trait_: &TraitDef<'b>, enum_def: &'b EnumDef, type_ident: Ident, - selflike_args: Vec<P<Expr>>, + selflike_args: ThinVec<P<Expr>>, nonselflike_args: &[P<Expr>], ) -> BlockOrExpr { let span = trait_.span; @@ -1147,7 +1146,7 @@ impl<'a> MethodDef<'a> { // There is no sensible code to be generated for *any* deriving on a // zero-variant enum. So we just generate a failing expression. if variants.is_empty() { - return BlockOrExpr(vec![], Some(deriving::call_unreachable(cx, span))); + return BlockOrExpr(ThinVec::new(), Some(deriving::call_unreachable(cx, span))); } let prefixes = iter::once("__self".to_string()) @@ -1183,13 +1182,13 @@ impl<'a> MethodDef<'a> { let other_selflike_exprs = tag_exprs; let tag_field = FieldInfo { span, name: None, self_expr, other_selflike_exprs }; - let tag_let_stmts: Vec<_> = iter::zip(&tag_idents, &selflike_args) + let tag_let_stmts: ThinVec<_> = iter::zip(&tag_idents, &selflike_args) .map(|(&ident, selflike_arg)| { let variant_value = deriving::call_intrinsic( cx, span, sym::discriminant_value, - vec![selflike_arg.clone()], + thin_vec![selflike_arg.clone()], ); cx.stmt_let(span, false, ident, variant_value) }) @@ -1248,7 +1247,7 @@ impl<'a> MethodDef<'a> { // (Variant2, Variant2, ...) => Body2 // ... // where each tuple has length = selflike_args.len() - let mut match_arms: Vec<ast::Arm> = variants + let mut match_arms: ThinVec<ast::Arm> = variants .iter() .enumerate() .filter(|&(_, v)| !(unify_fieldless_variants && v.data.fields().is_empty())) @@ -1261,7 +1260,7 @@ impl<'a> MethodDef<'a> { let sp = variant.span.with_ctxt(trait_.span.ctxt()); let variant_path = cx.path(sp, vec![type_ident, variant.ident]); let by_ref = ByRef::No; // because enums can't be repr(packed) - let mut subpats: Vec<_> = trait_.create_struct_patterns( + let mut subpats = trait_.create_struct_patterns( cx, variant_path, &variant.data, @@ -1337,7 +1336,7 @@ impl<'a> MethodDef<'a> { // ... // _ => ::core::intrinsics::unreachable() // } - let get_match_expr = |mut selflike_args: Vec<P<Expr>>| { + let get_match_expr = |mut selflike_args: ThinVec<P<Expr>>| { let match_arg = if selflike_args.len() == 1 { selflike_args.pop().unwrap() } else { @@ -1363,7 +1362,7 @@ impl<'a> MethodDef<'a> { tag_let_stmts.append(&mut tag_check_plus_match.0); BlockOrExpr(tag_let_stmts, tag_check_plus_match.1) } else { - BlockOrExpr(vec![], Some(get_match_expr(selflike_args))) + BlockOrExpr(ThinVec::new(), Some(get_match_expr(selflike_args))) } } @@ -1428,7 +1427,7 @@ impl<'a> TraitDef<'a> { struct_def: &'a VariantData, prefixes: &[String], by_ref: ByRef, - ) -> Vec<P<ast::Pat>> { + ) -> ThinVec<P<ast::Pat>> { prefixes .iter() .map(|prefix| { @@ -1600,7 +1599,7 @@ impl<'a> TraitDef<'a> { } else { // Wrap the expression in `{...}`, causing a copy. field_expr = cx.expr_block( - cx.block(struct_field.span, vec![cx.stmt_expr(field_expr)]), + cx.block(struct_field.span, thin_vec![cx.stmt_expr(field_expr)]), ); } } diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/ty.rs b/compiler/rustc_builtin_macros/src/deriving/generic/ty.rs index aabd5b1f773..26f91b714b4 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/ty.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/ty.rs @@ -9,6 +9,7 @@ use rustc_expand::base::ExtCtxt; use rustc_span::source_map::{respan, DUMMY_SP}; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::Span; +use thin_vec::ThinVec; /// A path, e.g., `::std::option::Option::<i32>` (global). Has support /// for type parameters. @@ -102,7 +103,7 @@ impl Ty { Path(p) => p.to_ty(cx, span, self_ty, self_generics), Self_ => cx.ty_path(self.to_path(cx, span, self_ty, self_generics)), Unit => { - let ty = ast::TyKind::Tup(vec![]); + let ty = ast::TyKind::Tup(ThinVec::new()); cx.ty(span, ty) } } @@ -185,7 +186,11 @@ impl Bounds { Generics { params, - where_clause: ast::WhereClause { has_where_token: false, predicates: Vec::new(), span }, + where_clause: ast::WhereClause { + has_where_token: false, + predicates: ThinVec::new(), + span, + }, span, } } diff --git a/compiler/rustc_builtin_macros/src/deriving/hash.rs b/compiler/rustc_builtin_macros/src/deriving/hash.rs index 5c2e89c5697..4eee573db42 100644 --- a/compiler/rustc_builtin_macros/src/deriving/hash.rs +++ b/compiler/rustc_builtin_macros/src/deriving/hash.rs @@ -1,11 +1,11 @@ use crate::deriving::generic::ty::*; use crate::deriving::generic::*; use crate::deriving::{path_std, pathvec_std}; - use rustc_ast::{AttrVec, MetaItem, Mutability}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::sym; use rustc_span::Span; +use thin_vec::thin_vec; pub fn expand_deriving_hash( cx: &mut ExtCtxt<'_>, @@ -60,7 +60,7 @@ fn hash_substructure( cx.expr_path(cx.path_global(span, strs)) }; - let expr = cx.expr_call(span, hash_path, vec![expr, state_expr.clone()]); + let expr = cx.expr_call(span, hash_path, thin_vec![expr, state_expr.clone()]); cx.stmt_expr(expr) }; @@ -72,7 +72,7 @@ fn hash_substructure( } EnumTag(tag_field, match_expr) => { assert!(tag_field.other_selflike_exprs.is_empty()); - let stmts = vec![call_hash(tag_field.span, tag_field.self_expr.clone())]; + let stmts = thin_vec![call_hash(tag_field.span, tag_field.self_expr.clone())]; (stmts, match_expr.clone()) } _ => cx.span_bug(trait_span, "impossible substructure in `derive(Hash)`"), diff --git a/compiler/rustc_builtin_macros/src/deriving/mod.rs b/compiler/rustc_builtin_macros/src/deriving/mod.rs index de657e4e600..d34336e7679 100644 --- a/compiler/rustc_builtin_macros/src/deriving/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/mod.rs @@ -6,6 +6,7 @@ use rustc_ast::{GenericArg, Impl, ItemKind, MetaItem}; use rustc_expand::base::{Annotatable, ExpandResult, ExtCtxt, MultiItemModifier}; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; +use thin_vec::{thin_vec, ThinVec}; macro path_local($x:ident) { generic::ty::Path::new_local(sym::$x) @@ -92,7 +93,7 @@ fn call_intrinsic( cx: &ExtCtxt<'_>, span: Span, intrinsic: Symbol, - args: Vec<P<ast::Expr>>, + args: ThinVec<P<ast::Expr>>, ) -> P<ast::Expr> { let span = cx.with_def_site_ctxt(span); let path = cx.std_path(&[sym::intrinsics, intrinsic]); @@ -103,10 +104,10 @@ fn call_intrinsic( fn call_unreachable(cx: &ExtCtxt<'_>, span: Span) -> P<ast::Expr> { let span = cx.with_def_site_ctxt(span); let path = cx.std_path(&[sym::intrinsics, sym::unreachable]); - let call = cx.expr_call_global(span, path, vec![]); + let call = cx.expr_call_global(span, path, ThinVec::new()); cx.expr_block(P(ast::Block { - stmts: vec![cx.stmt_expr(call)], + stmts: thin_vec![cx.stmt_expr(call)], id: ast::DUMMY_NODE_ID, rules: ast::BlockCheckMode::Unsafe(ast::CompilerGenerated), span, @@ -202,7 +203,7 @@ fn inject_impl_of_structural_trait( generics, of_trait: Some(trait_ref), self_ty: self_type, - items: Vec::new(), + items: ThinVec::new(), })), ); @@ -211,7 +212,7 @@ fn inject_impl_of_structural_trait( fn assert_ty_bounds( cx: &mut ExtCtxt<'_>, - stmts: &mut Vec<ast::Stmt>, + stmts: &mut ThinVec<ast::Stmt>, ty: P<ast::Ty>, span: Span, assert_path: &[Symbol], diff --git a/compiler/rustc_builtin_macros/src/env.rs b/compiler/rustc_builtin_macros/src/env.rs index e5a5e606930..6aa900f0201 100644 --- a/compiler/rustc_builtin_macros/src/env.rs +++ b/compiler/rustc_builtin_macros/src/env.rs @@ -8,8 +8,8 @@ use rustc_ast::{self as ast, GenericArg}; use rustc_expand::base::{self, *}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::Span; - use std::env; +use thin_vec::thin_vec; pub fn expand_option_env<'cx>( cx: &'cx mut ExtCtxt<'_>, @@ -41,7 +41,7 @@ pub fn expand_option_env<'cx>( Some(value) => cx.expr_call_global( sp, cx.std_path(&[sym::option, sym::Option, sym::Some]), - vec![cx.expr_str(sp, value)], + thin_vec![cx.expr_str(sp, value)], ), }; MacEager::expr(e) diff --git a/compiler/rustc_builtin_macros/src/global_allocator.rs b/compiler/rustc_builtin_macros/src/global_allocator.rs index f8761653bf5..41b51bae736 100644 --- a/compiler/rustc_builtin_macros/src/global_allocator.rs +++ b/compiler/rustc_builtin_macros/src/global_allocator.rs @@ -9,7 +9,7 @@ use rustc_ast::{Fn, ItemKind, Mutability, Stmt, Ty, TyKind, Unsafe}; use rustc_expand::base::{Annotatable, ExtCtxt}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::Span; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; pub fn expand( ecx: &mut ExtCtxt<'_>, @@ -47,7 +47,7 @@ pub fn expand( let stmts = ALLOCATOR_METHODS.iter().map(|method| f.allocator_fn(method)).collect(); // Generate anonymous constant serving as container for the allocator methods. - let const_ty = ecx.ty(ty_span, TyKind::Tup(Vec::new())); + let const_ty = ecx.ty(ty_span, TyKind::Tup(ThinVec::new())); let const_body = ecx.expr_block(ecx.block(span, stmts)); let const_item = ecx.item_const(span, Ident::new(kw::Underscore, span), const_ty, const_body); let const_item = if is_stmt { @@ -70,7 +70,7 @@ struct AllocFnFactory<'a, 'b> { impl AllocFnFactory<'_, '_> { fn allocator_fn(&self, method: &AllocatorMethod) -> Stmt { - let mut abi_args = Vec::new(); + let mut abi_args = ThinVec::new(); let mut i = 0; let mut mk = || { let name = Ident::from_str_and_span(&format!("arg{}", i), self.span); @@ -99,7 +99,7 @@ impl AllocFnFactory<'_, '_> { self.cx.stmt_item(self.ty_span, item) } - fn call_allocator(&self, method: Symbol, mut args: Vec<P<Expr>>) -> P<Expr> { + fn call_allocator(&self, method: Symbol, mut args: ThinVec<P<Expr>>) -> P<Expr> { let method = self.cx.std_path(&[sym::alloc, sym::GlobalAlloc, method]); let method = self.cx.expr_path(self.cx.path(self.ty_span, method)); let allocator = self.cx.path_ident(self.ty_span, self.global); @@ -117,7 +117,7 @@ impl AllocFnFactory<'_, '_> { fn arg_ty( &self, ty: &AllocatorTy, - args: &mut Vec<Param>, + args: &mut ThinVec<Param>, ident: &mut dyn FnMut() -> Ident, ) -> P<Expr> { match *ty { @@ -134,7 +134,7 @@ impl AllocFnFactory<'_, '_> { let layout_new = self.cx.expr_path(self.cx.path(self.span, layout_new)); let size = self.cx.expr_ident(self.span, size); let align = self.cx.expr_ident(self.span, align); - let layout = self.cx.expr_call(self.span, layout_new, vec![size, align]); + let layout = self.cx.expr_call(self.span, layout_new, thin_vec![size, align]); layout } @@ -168,7 +168,7 @@ impl AllocFnFactory<'_, '_> { (self.ptr_u8(), expr) } - AllocatorTy::Unit => (self.cx.ty(self.span, TyKind::Tup(Vec::new())), expr), + AllocatorTy::Unit => (self.cx.ty(self.span, TyKind::Tup(ThinVec::new())), expr), AllocatorTy::Layout | AllocatorTy::Usize | AllocatorTy::Ptr => { panic!("can't convert `AllocatorTy` to an output") diff --git a/compiler/rustc_builtin_macros/src/lib.rs b/compiler/rustc_builtin_macros/src/lib.rs index 75cfac72384..8afb6e56069 100644 --- a/compiler/rustc_builtin_macros/src/lib.rs +++ b/compiler/rustc_builtin_macros/src/lib.rs @@ -21,8 +21,10 @@ extern crate tracing; use crate::deriving::*; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_expand::base::{MacroExpanderFn, ResolverExpand, SyntaxExtensionKind}; use rustc_expand::proc_macro::BangProcMacro; +use rustc_macros::fluent_messages; use rustc_span::symbol::sym; mod alloc_error_handler; @@ -54,6 +56,8 @@ pub mod proc_macro_harness; pub mod standard_library_imports; pub mod test_harness; +fluent_messages! { "../locales/en-US.ftl" } + pub fn register_builtin_macros(resolver: &mut dyn ResolverExpand) { let mut register = |name, kind| resolver.register_builtin_macro(name, kind); macro register_bang($($name:ident: $f:expr,)*) { diff --git a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs index 21c8caa658f..bc513607ddd 100644 --- a/compiler/rustc_builtin_macros/src/proc_macro_harness.rs +++ b/compiler/rustc_builtin_macros/src/proc_macro_harness.rs @@ -11,6 +11,7 @@ use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; use smallvec::smallvec; use std::mem; +use thin_vec::{thin_vec, ThinVec}; struct ProcMacroDerive { id: NodeId, @@ -314,11 +315,14 @@ fn mk_decls(cx: &mut ExtCtxt<'_>, macros: &[ProcMacro]) -> P<ast::Item> { cx.expr_call( span, proc_macro_ty_method_path(cx, custom_derive), - vec![ + thin_vec![ cx.expr_str(span, cd.trait_name), cx.expr_array_ref( span, - cd.attrs.iter().map(|&s| cx.expr_str(span, s)).collect::<Vec<_>>(), + cd.attrs + .iter() + .map(|&s| cx.expr_str(span, s)) + .collect::<ThinVec<_>>(), ), local_path(cx, cd.function_name), ], @@ -335,7 +339,7 @@ fn mk_decls(cx: &mut ExtCtxt<'_>, macros: &[ProcMacro]) -> P<ast::Item> { cx.expr_call( span, proc_macro_ty_method_path(cx, ident), - vec![ + thin_vec![ cx.expr_str(span, ca.function_name.name), local_path(cx, ca.function_name), ], @@ -371,13 +375,13 @@ fn mk_decls(cx: &mut ExtCtxt<'_>, macros: &[ProcMacro]) -> P<ast::Item> { }); let block = cx.expr_block( - cx.block(span, vec![cx.stmt_item(span, krate), cx.stmt_item(span, decls_static)]), + cx.block(span, thin_vec![cx.stmt_item(span, krate), cx.stmt_item(span, decls_static)]), ); let anon_constant = cx.item_const( span, Ident::new(kw::Underscore, span), - cx.ty(span, ast::TyKind::Tup(Vec::new())), + cx.ty(span, ast::TyKind::Tup(ThinVec::new())), block, ); diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs index 729ae4071e2..e02c7e6c01b 100644 --- a/compiler/rustc_builtin_macros/src/test.rs +++ b/compiler/rustc_builtin_macros/src/test.rs @@ -10,7 +10,7 @@ use rustc_session::Session; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::Span; use std::iter; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; /// #[test_case] is used by custom test authors to mark tests /// When building for test, it needs to make the item public and gensym the name @@ -179,19 +179,19 @@ pub fn expand_test_or_bench( cx.expr_call( sp, cx.expr_path(test_path("StaticBenchFn")), - vec![ + thin_vec![ // |b| self::test::assert_test_result( cx.lambda1( sp, cx.expr_call( sp, cx.expr_path(test_path("assert_test_result")), - vec![ + thin_vec![ // super::$test_fn(b) cx.expr_call( ret_ty_sp, cx.expr_path(cx.path(sp, vec![item.ident])), - vec![cx.expr_ident(sp, b)], + thin_vec![cx.expr_ident(sp, b)], ), ], ), @@ -203,7 +203,7 @@ pub fn expand_test_or_bench( cx.expr_call( sp, cx.expr_path(test_path("StaticTestFn")), - vec![ + thin_vec![ // || { cx.lambda0( sp, @@ -211,12 +211,12 @@ pub fn expand_test_or_bench( cx.expr_call( sp, cx.expr_path(test_path("assert_test_result")), - vec![ + thin_vec![ // $test_fn() cx.expr_call( ret_ty_sp, cx.expr_path(cx.path(sp, vec![item.ident])), - vec![], + ThinVec::new(), ), // ) ], ), // } @@ -249,21 +249,21 @@ pub fn expand_test_or_bench( cx.expr_struct( sp, test_path("TestDescAndFn"), - vec![ + thin_vec![ // desc: test::TestDesc { field( "desc", cx.expr_struct( sp, test_path("TestDesc"), - vec![ + thin_vec![ // name: "path::to::test" field( "name", cx.expr_call( sp, cx.expr_path(test_path("StaticTestName")), - vec![cx.expr_str(sp, test_path_symbol)], + thin_vec![cx.expr_str(sp, test_path_symbol)], ), ), // ignore: true | false @@ -300,7 +300,7 @@ pub fn expand_test_or_bench( ShouldPanic::Yes(Some(sym)) => cx.expr_call( sp, cx.expr_path(should_panic_path("YesWithMessage")), - vec![cx.expr_str(sp, sym)], + thin_vec![cx.expr_str(sp, sym)], ), }, ), diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index ad887108091..d8e3db9e8ee 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -14,7 +14,8 @@ use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; use rustc_target::spec::PanicStrategy; use smallvec::{smallvec, SmallVec}; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; +use tracing::debug; use std::{iter, mem}; @@ -299,7 +300,7 @@ fn mk_main(cx: &mut TestCtxt<'_>) -> P<ast::Item> { test_runner.span = sp; let test_main_path_expr = ecx.expr_path(test_runner); - let call_test_main = ecx.expr_call(sp, test_main_path_expr, vec![mk_tests_slice(cx, sp)]); + let call_test_main = ecx.expr_call(sp, test_main_path_expr, thin_vec![mk_tests_slice(cx, sp)]); let call_test_main = ecx.stmt_expr(call_test_main); // extern crate test @@ -312,16 +313,16 @@ fn mk_main(cx: &mut TestCtxt<'_>) -> P<ast::Item> { let main_attr = ecx.attr_word(sym::rustc_main, sp); // pub fn main() { ... } - let main_ret_ty = ecx.ty(sp, ast::TyKind::Tup(vec![])); + let main_ret_ty = ecx.ty(sp, ast::TyKind::Tup(ThinVec::new())); // If no test runner is provided we need to import the test crate let main_body = if cx.test_runner.is_none() { - ecx.block(sp, vec![test_extern_stmt, call_test_main]) + ecx.block(sp, thin_vec![test_extern_stmt, call_test_main]) } else { - ecx.block(sp, vec![call_test_main]) + ecx.block(sp, thin_vec![call_test_main]) }; - let decl = ecx.fn_decl(vec![], ast::FnRetTy::Ty(main_ret_ty)); + let decl = ecx.fn_decl(ThinVec::new(), ast::FnRetTy::Ty(main_ret_ty)); let sig = ast::FnSig { decl, header: ast::FnHeader::default(), span: sp }; let defaultness = ast::Defaultness::Final; let main = ast::ItemKind::Fn(Box::new(ast::Fn { diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 95778de3aba..7f857528c7c 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -347,7 +347,12 @@ fn codegen_fn_body(fx: &mut FunctionCx<'_, '_, '_>, start_block: Block) { } TerminatorKind::Assert { cond, expected, msg, target, cleanup: _ } => { if !fx.tcx.sess.overflow_checks() { - if let mir::AssertKind::OverflowNeg(_) = *msg { + let overflow_not_to_check = match msg { + AssertKind::OverflowNeg(..) => true, + AssertKind::Overflow(op, ..) => op.is_checkable(), + _ => false, + }; + if overflow_not_to_check { let target = fx.get_block(*target); fx.bcx.ins().jump(target, &[]); continue; @@ -567,15 +572,7 @@ fn codegen_stmt<'tcx>( let lhs = codegen_operand(fx, &lhs_rhs.0); let rhs = codegen_operand(fx, &lhs_rhs.1); - let res = if !fx.tcx.sess.overflow_checks() { - let val = - crate::num::codegen_int_binop(fx, bin_op, lhs, rhs).load_scalar(fx); - let is_overflow = fx.bcx.ins().iconst(types::I8, 0); - CValue::by_val_pair(val, is_overflow, lval.layout()) - } else { - crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs) - }; - + let res = crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs); lval.write_cvalue(fx, res); } Rvalue::UnaryOp(un_op, ref operand) => { diff --git a/compiler/rustc_codegen_cranelift/src/codegen_i128.rs b/compiler/rustc_codegen_cranelift/src/codegen_i128.rs index 638b2d573b5..b4a2537b5ea 100644 --- a/compiler/rustc_codegen_cranelift/src/codegen_i128.rs +++ b/compiler/rustc_codegen_cranelift/src/codegen_i128.rs @@ -56,7 +56,7 @@ pub(crate) fn maybe_codegen<'tcx>( Some(fx.easy_call("__multi3", &[lhs, rhs], val_ty)) } } else { - let out_ty = fx.tcx.mk_tup([lhs.layout().ty, fx.tcx.types.bool].iter()); + let out_ty = fx.tcx.intern_tup(&[lhs.layout().ty, fx.tcx.types.bool]); let oflow = CPlace::new_stack_slot(fx, fx.layout_of(fx.tcx.types.i32)); let lhs = lhs.load_scalar(fx); let rhs = rhs.load_scalar(fx); @@ -78,7 +78,7 @@ pub(crate) fn maybe_codegen<'tcx>( } BinOp::Add | BinOp::Sub | BinOp::Mul => { assert!(checked); - let out_ty = fx.tcx.mk_tup([lhs.layout().ty, fx.tcx.types.bool].iter()); + let out_ty = fx.tcx.intern_tup(&[lhs.layout().ty, fx.tcx.types.bool]); let out_place = CPlace::new_stack_slot(fx, fx.layout_of(out_ty)); let (param_types, args) = if fx.tcx.sess.target.is_like_windows { let (lhs_ptr, lhs_extra) = lhs.force_stack(fx); diff --git a/compiler/rustc_codegen_cranelift/src/common.rs b/compiler/rustc_codegen_cranelift/src/common.rs index a8be0d32cc8..722e2754e83 100644 --- a/compiler/rustc_codegen_cranelift/src/common.rs +++ b/compiler/rustc_codegen_cranelift/src/common.rs @@ -374,7 +374,7 @@ impl<'tcx> HasTargetSpec for FunctionCx<'_, '_, 'tcx> { impl<'tcx> FunctionCx<'_, '_, 'tcx> { pub(crate) fn monomorphize<T>(&self, value: T) -> T where - T: TypeFoldable<'tcx> + Copy, + T: TypeFoldable<TyCtxt<'tcx>> + Copy, { self.instance.subst_mir_and_normalize_erasing_regions( self.tcx, diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs index d2ae6978ca2..cbac2e66765 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs @@ -191,7 +191,7 @@ fn llvm_add_sub<'tcx>( // carry0 | carry1 -> carry or borrow respectively let cb_out = fx.bcx.ins().bor(cb0, cb1); - let layout = fx.layout_of(fx.tcx.mk_tup([fx.tcx.types.u8, fx.tcx.types.u64].iter())); + let layout = fx.layout_of(fx.tcx.intern_tup(&[fx.tcx.types.u8, fx.tcx.types.u64])); let val = CValue::by_val_pair(cb_out, c, layout); ret.write_cvalue(fx, val); } diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs index 0d2367c2f83..6feb3a7732e 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs @@ -493,20 +493,6 @@ fn codegen_regular_intrinsic_call<'tcx>( let res = crate::num::codegen_int_binop(fx, bin_op, x, y); ret.write_cvalue(fx, res); } - sym::add_with_overflow | sym::sub_with_overflow | sym::mul_with_overflow => { - intrinsic_args!(fx, args => (x, y); intrinsic); - - assert_eq!(x.layout().ty, y.layout().ty); - let bin_op = match intrinsic { - sym::add_with_overflow => BinOp::Add, - sym::sub_with_overflow => BinOp::Sub, - sym::mul_with_overflow => BinOp::Mul, - _ => unreachable!(), - }; - - let res = crate::num::codegen_checked_int_binop(fx, bin_op, x, y); - ret.write_cvalue(fx, res); - } sym::saturating_add | sym::saturating_sub => { intrinsic_args!(fx, args => (lhs, rhs); intrinsic); diff --git a/compiler/rustc_codegen_cranelift/src/lib.rs b/compiler/rustc_codegen_cranelift/src/lib.rs index c7fe382bac4..80ce3dc9328 100644 --- a/compiler/rustc_codegen_cranelift/src/lib.rs +++ b/compiler/rustc_codegen_cranelift/src/lib.rs @@ -86,7 +86,7 @@ mod prelude { pub(crate) use rustc_middle::ty::layout::{self, LayoutOf, TyAndLayout}; pub(crate) use rustc_middle::ty::{ self, FloatTy, Instance, InstanceDef, IntTy, ParamEnv, Ty, TyCtxt, TypeAndMut, - TypeFoldable, UintTy, + TypeFoldable, TypeVisitableExt, UintTy, }; pub(crate) use rustc_target::abi::{Abi, Scalar, Size, VariantIdx}; @@ -172,6 +172,11 @@ pub struct CraneliftCodegenBackend { } impl CodegenBackend for CraneliftCodegenBackend { + fn locale_resource(&self) -> &'static str { + // FIXME(rust-lang/rust#100717) - cranelift codegen backend is not yet translated + "" + } + fn init(&self, sess: &Session) { use rustc_session::config::Lto; match sess.lto() { diff --git a/compiler/rustc_codegen_cranelift/src/main_shim.rs b/compiler/rustc_codegen_cranelift/src/main_shim.rs index 3e3b6857134..26327107df4 100644 --- a/compiler/rustc_codegen_cranelift/src/main_shim.rs +++ b/compiler/rustc_codegen_cranelift/src/main_shim.rs @@ -119,7 +119,7 @@ pub(crate) fn maybe_create_entry_wrapper( tcx, ParamEnv::reveal_all(), report.def_id, - tcx.mk_substs([GenericArg::from(main_ret_ty)].iter()), + tcx.intern_substs(&[GenericArg::from(main_ret_ty)]), ) .unwrap() .unwrap() diff --git a/compiler/rustc_codegen_cranelift/src/num.rs b/compiler/rustc_codegen_cranelift/src/num.rs index afacbec6445..05905a7bcdf 100644 --- a/compiler/rustc_codegen_cranelift/src/num.rs +++ b/compiler/rustc_codegen_cranelift/src/num.rs @@ -289,7 +289,7 @@ pub(crate) fn codegen_checked_int_binop<'tcx>( _ => bug!("binop {:?} on checked int/uint lhs: {:?} rhs: {:?}", bin_op, in_lhs, in_rhs), }; - let out_layout = fx.layout_of(fx.tcx.mk_tup([in_lhs.layout().ty, fx.tcx.types.bool].iter())); + let out_layout = fx.layout_of(fx.tcx.intern_tup(&[in_lhs.layout().ty, fx.tcx.types.bool])); CValue::by_val_pair(res, has_overflow, out_layout) } diff --git a/compiler/rustc_error_messages/locales/en-US/codegen_gcc.ftl b/compiler/rustc_codegen_gcc/locales/en-US.ftl index 6101b28ab0c..6101b28ab0c 100644 --- a/compiler/rustc_error_messages/locales/en-US/codegen_gcc.ftl +++ b/compiler/rustc_codegen_gcc/locales/en-US.ftl diff --git a/compiler/rustc_codegen_gcc/src/callee.rs b/compiler/rustc_codegen_gcc/src/callee.rs index c1041125ecc..9e3a22ee05d 100644 --- a/compiler/rustc_codegen_gcc/src/callee.rs +++ b/compiler/rustc_codegen_gcc/src/callee.rs @@ -1,6 +1,6 @@ use gccjit::{FunctionType, RValue}; use rustc_codegen_ssa::traits::BaseTypeMethods; -use rustc_middle::ty::{self, Instance, TypeVisitable}; +use rustc_middle::ty::{self, Instance, TypeVisitableExt}; use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt}; use crate::abi::FnAbiGccExt; diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs index 5ab87feb98b..44538b41528 100644 --- a/compiler/rustc_codegen_gcc/src/lib.rs +++ b/compiler/rustc_codegen_gcc/src/lib.rs @@ -73,7 +73,8 @@ use rustc_codegen_ssa::back::lto::{LtoModuleCodegen, SerializedModule, ThinModul use rustc_codegen_ssa::target_features::supported_target_features; use rustc_codegen_ssa::traits::{CodegenBackend, ExtraBackendMethods, ModuleBufferMethods, ThinBufferMethods, WriteBackendMethods}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{ErrorGuaranteed, Handler}; +use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, Handler, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; use rustc_metadata::EncodedMetadata; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; use rustc_middle::ty::TyCtxt; @@ -84,6 +85,8 @@ use rustc_span::Symbol; use rustc_span::fatal_error::FatalError; use tempfile::TempDir; +fluent_messages! { "../locales/en-US.ftl" } + pub struct PrintOnPanic<F: Fn() -> String>(pub F); impl<F: Fn() -> String> Drop for PrintOnPanic<F> { @@ -100,6 +103,10 @@ pub struct GccCodegenBackend { } impl CodegenBackend for GccCodegenBackend { + fn locale_resource(&self) -> &'static str { + crate::DEFAULT_LOCALE_RESOURCE + } + fn init(&self, sess: &Session) { if sess.lto() != Lto::No { sess.emit_warning(LTONotSupported {}); diff --git a/compiler/rustc_codegen_gcc/src/mono_item.rs b/compiler/rustc_codegen_gcc/src/mono_item.rs index 9468a1ef4bb..a7c868354fb 100644 --- a/compiler/rustc_codegen_gcc/src/mono_item.rs +++ b/compiler/rustc_codegen_gcc/src/mono_item.rs @@ -1,7 +1,7 @@ use rustc_codegen_ssa::traits::PreDefineMethods; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir::mono::{Linkage, Visibility}; -use rustc_middle::ty::{self, Instance, TypeVisitable}; +use rustc_middle::ty::{self, Instance, TypeVisitableExt}; use rustc_middle::ty::layout::{FnAbiOf, LayoutOf}; use rustc_span::def_id::DefId; diff --git a/compiler/rustc_codegen_gcc/src/type_of.rs b/compiler/rustc_codegen_gcc/src/type_of.rs index 1326af670cd..ea2ce765053 100644 --- a/compiler/rustc_codegen_gcc/src/type_of.rs +++ b/compiler/rustc_codegen_gcc/src/type_of.rs @@ -3,7 +3,7 @@ use std::fmt::Write; use gccjit::{Struct, Type}; use crate::rustc_codegen_ssa::traits::{BaseTypeMethods, DerivedTypeMethods, LayoutTypeMethods}; use rustc_middle::bug; -use rustc_middle::ty::{self, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TypeVisitableExt}; use rustc_middle::ty::layout::{FnAbiOf, LayoutOf, TyAndLayout}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_target::abi::{self, Abi, F32, F64, FieldsShape, Int, Integer, Pointer, PointeeInfo, Size, TyAbiInterface, Variants}; diff --git a/compiler/rustc_error_messages/locales/en-US/codegen_llvm.ftl b/compiler/rustc_codegen_llvm/locales/en-US.ftl index e5df417370b..e5df417370b 100644 --- a/compiler/rustc_error_messages/locales/en-US/codegen_llvm.ftl +++ b/compiler/rustc_codegen_llvm/locales/en-US.ftl diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 7a4ec494c8e..651d644ebb6 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -62,7 +62,7 @@ pub fn sanitize_attrs<'ll>( ) -> SmallVec<[&'ll Attribute; 4]> { let mut attrs = SmallVec::new(); let enabled = cx.tcx.sess.opts.unstable_opts.sanitizer - no_sanitize; - if enabled.contains(SanitizerSet::ADDRESS) { + if enabled.contains(SanitizerSet::ADDRESS) || enabled.contains(SanitizerSet::KERNELADDRESS) { attrs.push(llvm::AttributeKind::SanitizeAddress.create_attr(cx.llcx)); } if enabled.contains(SanitizerSet::MEMORY) { diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs index fb160669436..40f0594b40d 100644 --- a/compiler/rustc_codegen_llvm/src/back/write.rs +++ b/compiler/rustc_codegen_llvm/src/back/write.rs @@ -442,6 +442,10 @@ pub(crate) unsafe fn llvm_optimize( sanitize_thread: config.sanitizer.contains(SanitizerSet::THREAD), sanitize_hwaddress: config.sanitizer.contains(SanitizerSet::HWADDRESS), sanitize_hwaddress_recover: config.sanitizer_recover.contains(SanitizerSet::HWADDRESS), + sanitize_kernel_address: config.sanitizer.contains(SanitizerSet::KERNELADDRESS), + sanitize_kernel_address_recover: config + .sanitizer_recover + .contains(SanitizerSet::KERNELADDRESS), }) } else { None diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs index f1d01a4602a..6ee2a05ffd7 100644 --- a/compiler/rustc_codegen_llvm/src/callee.rs +++ b/compiler/rustc_codegen_llvm/src/callee.rs @@ -13,7 +13,7 @@ use crate::value::Value; use rustc_codegen_ssa::traits::*; use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt}; -use rustc_middle::ty::{self, Instance, TypeVisitable}; +use rustc_middle::ty::{self, Instance, TypeVisitableExt}; /// Codegens a reference to a fn/method item, monomorphizing and /// inlining as it goes. diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index 92629aa18d4..9116e71beac 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -521,7 +521,7 @@ impl<'ll> StaticMethods for CodegenCx<'ll, '_> { // The semantics of #[used] in Rust only require the symbol to make it into the // object file. It is explicitly allowed for the linker to strip the symbol if it - // is dead, which means we are allowed use `llvm.compiler.used` instead of + // is dead, which means we are allowed to use `llvm.compiler.used` instead of // `llvm.used` here. // // Additionally, https://reviews.llvm.org/D97448 in LLVM 13 started emitting unique @@ -532,7 +532,7 @@ impl<'ll> StaticMethods for CodegenCx<'ll, '_> { // That said, we only ever emit these when compiling for ELF targets, unless // `#[used(compiler)]` is explicitly requested. This is to avoid similar breakage // on other targets, in particular MachO targets have *their* static constructor - // lists broken if `llvm.compiler.used` is emitted rather than llvm.used. However, + // lists broken if `llvm.compiler.used` is emitted rather than `llvm.used`. However, // that check happens when assigning the `CodegenFnAttrFlags` in `rustc_hir_analysis`, // so we don't need to take care of it here. self.add_compiler_used_global(g); diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs index 8848ea3bb9a..37ee0e14020 100644 --- a/compiler/rustc_codegen_llvm/src/context.rs +++ b/compiler/rustc_codegen_llvm/src/context.rs @@ -145,8 +145,13 @@ pub unsafe fn create_module<'ll>( let llvm_version = llvm_util::get_version(); if llvm_version < (16, 0, 0) { if sess.target.arch == "s390x" { + // LLVM 16 data layout changed to always set 64-bit vector alignment, + // which is conditional in earlier LLVM versions. + // https://reviews.llvm.org/D131158 for the discussion. target_data_layout = target_data_layout.replace("-v128:64", ""); } else if sess.target.arch == "riscv64" { + // LLVM 16 introduced this change so as to produce more efficient code. + // See https://reviews.llvm.org/D116735 for the discussion. target_data_layout = target_data_layout.replace("-n32:64-", "-n64-"); } } diff --git a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs index ace15cfb024..3dc0ac03312 100644 --- a/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs @@ -27,8 +27,6 @@ use rustc_middle::ty::Instance; use std::cell::RefCell; use std::ffi::CString; -use std::iter; - pub mod mapgen; const UNUSED_FUNCTION_COUNTER_ID: CounterValueReference = CounterValueReference::START; @@ -201,7 +199,7 @@ fn declare_unused_fn<'tcx>(cx: &CodegenCx<'_, 'tcx>, def_id: DefId) -> Instance< tcx.symbol_name(instance).name, cx.fn_abi_of_fn_ptr( ty::Binder::dummy(tcx.mk_fn_sig( - iter::once(tcx.mk_unit()), + [tcx.mk_unit()], tcx.mk_unit(), false, hir::Unsafety::Unsafe, diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs index cef403b9f8b..5392534cfcb 100644 --- a/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs +++ b/compiler/rustc_codegen_llvm/src/debuginfo/mod.rs @@ -27,7 +27,7 @@ use rustc_index::vec::IndexVec; use rustc_middle::mir; use rustc_middle::ty::layout::LayoutOf; use rustc_middle::ty::subst::{GenericArgKind, SubstsRef}; -use rustc_middle::ty::{self, Instance, ParamEnv, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Instance, ParamEnv, Ty, TypeVisitableExt}; use rustc_session::config::{self, DebugInfo}; use rustc_session::Session; use rustc_span::symbol::Symbol; diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index 81072edc475..bae88d94293 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -2,9 +2,10 @@ use std::borrow::Cow; use std::ffi::CString; use std::path::Path; +use crate::fluent_generated as fluent; use rustc_data_structures::small_c_str::SmallCStr; use rustc_errors::{ - fluent, DiagnosticBuilder, EmissionGuarantee, ErrorGuaranteed, Handler, IntoDiagnostic, + DiagnosticBuilder, EmissionGuarantee, ErrorGuaranteed, Handler, IntoDiagnostic, }; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::Span; @@ -27,9 +28,9 @@ pub(crate) struct UnknownCTargetFeature<'a> { #[derive(Subdiagnostic)] pub(crate) enum PossibleFeature<'a> { - #[help(possible_feature)] + #[help(codegen_llvm_possible_feature)] Some { rust_feature: &'a str }, - #[help(consider_filing_feature_request)] + #[help(codegen_llvm_consider_filing_feature_request)] None, } diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index b0295481ca5..39afb4af6f6 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -22,7 +22,6 @@ use rustc_target::abi::{self, Align, HasDataLayout, Primitive}; use rustc_target::spec::{HasTargetSpec, PanicStrategy}; use std::cmp::Ordering; -use std::iter; fn get_simple_intrinsic<'ll>( cx: &CodegenCx<'ll, '_>, @@ -798,7 +797,7 @@ fn get_rust_try_fn<'ll, 'tcx>( let i8p = tcx.mk_mut_ptr(tcx.types.i8); // `unsafe fn(*mut i8) -> ()` let try_fn_ty = tcx.mk_fn_ptr(ty::Binder::dummy(tcx.mk_fn_sig( - iter::once(i8p), + [i8p], tcx.mk_unit(), false, hir::Unsafety::Unsafe, @@ -806,7 +805,7 @@ fn get_rust_try_fn<'ll, 'tcx>( ))); // `unsafe fn(*mut i8, *mut i8) -> ()` let catch_fn_ty = tcx.mk_fn_ptr(ty::Binder::dummy(tcx.mk_fn_sig( - [i8p, i8p].iter().cloned(), + [i8p, i8p], tcx.mk_unit(), false, hir::Unsafety::Unsafe, @@ -814,7 +813,7 @@ fn get_rust_try_fn<'ll, 'tcx>( ))); // `unsafe fn(unsafe fn(*mut i8) -> (), *mut i8, unsafe fn(*mut i8, *mut i8) -> ()) -> i32` let rust_fn_sig = ty::Binder::dummy(cx.tcx.mk_fn_sig( - [try_fn_ty, i8p, catch_fn_ty].into_iter(), + [try_fn_ty, i8p, catch_fn_ty], tcx.types.i32, false, hir::Unsafety::Unsafe, diff --git a/compiler/rustc_codegen_llvm/src/lib.rs b/compiler/rustc_codegen_llvm/src/lib.rs index 111d14b265c..c41e74c51a0 100644 --- a/compiler/rustc_codegen_llvm/src/lib.rs +++ b/compiler/rustc_codegen_llvm/src/lib.rs @@ -34,7 +34,8 @@ use rustc_codegen_ssa::traits::*; use rustc_codegen_ssa::ModuleCodegen; use rustc_codegen_ssa::{CodegenResults, CompiledModule}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{ErrorGuaranteed, FatalError, Handler}; +use rustc_errors::{DiagnosticMessage, ErrorGuaranteed, FatalError, Handler, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; use rustc_metadata::EncodedMetadata; use rustc_middle::dep_graph::{WorkProduct, WorkProductId}; use rustc_middle::ty::query::Providers; @@ -83,6 +84,8 @@ mod type_of; mod va_arg; mod value; +fluent_messages! { "../locales/en-US.ftl" } + #[derive(Clone)] pub struct LlvmCodegenBackend(()); @@ -246,6 +249,10 @@ impl LlvmCodegenBackend { } impl CodegenBackend for LlvmCodegenBackend { + fn locale_resource(&self) -> &'static str { + crate::DEFAULT_LOCALE_RESOURCE + } + fn init(&self, sess: &Session) { llvm_util::init(sess); // Make sure llvm is inited } diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs index 8b4861962b2..7aab666fc5e 100644 --- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs +++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs @@ -482,6 +482,8 @@ pub struct SanitizerOptions { pub sanitize_thread: bool, pub sanitize_hwaddress: bool, pub sanitize_hwaddress_recover: bool, + pub sanitize_kernel_address: bool, + pub sanitize_kernel_address_recover: bool, } /// LLVMRelocMode diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index 76f692b2016..d0ae36349df 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -9,7 +9,7 @@ use rustc_hir::def_id::{DefId, LOCAL_CRATE}; pub use rustc_middle::mir::mono::MonoItem; use rustc_middle::mir::mono::{Linkage, Visibility}; use rustc_middle::ty::layout::{FnAbiOf, LayoutOf}; -use rustc_middle::ty::{self, Instance, TypeVisitable}; +use rustc_middle::ty::{self, Instance, TypeVisitableExt}; use rustc_session::config::CrateType; use rustc_target::spec::RelocModel; diff --git a/compiler/rustc_codegen_llvm/src/type_of.rs b/compiler/rustc_codegen_llvm/src/type_of.rs index cc8ff947fc3..e264ce78f0d 100644 --- a/compiler/rustc_codegen_llvm/src/type_of.rs +++ b/compiler/rustc_codegen_llvm/src/type_of.rs @@ -5,7 +5,7 @@ use rustc_codegen_ssa::traits::*; use rustc_middle::bug; use rustc_middle::ty::layout::{FnAbiOf, LayoutOf, TyAndLayout}; use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths}; -use rustc_middle::ty::{self, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TypeVisitableExt}; use rustc_target::abi::{Abi, Align, FieldsShape}; use rustc_target::abi::{Int, Pointer, F32, F64}; use rustc_target::abi::{PointeeInfo, Scalar, Size, TyAbiInterface, Variants}; @@ -329,7 +329,7 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> { ) -> &'a Type { // HACK(eddyb) special-case fat pointers until LLVM removes // pointee types, to avoid bitcasting every `OperandRef::deref`. - match self.ty.kind() { + match *self.ty.kind() { ty::Ref(..) | ty::RawPtr(_) => { return self.field(cx, index).llvm_type(cx); } @@ -339,6 +339,11 @@ impl<'tcx> LayoutLlvmExt<'tcx> for TyAndLayout<'tcx> { let ptr_ty = cx.tcx.mk_mut_ptr(self.ty.boxed_ty()); return cx.layout_of(ptr_ty).scalar_pair_element_llvm_type(cx, index, immediate); } + // `dyn* Trait` has the same ABI as `*mut dyn Trait` + ty::Dynamic(bounds, region, ty::DynStar) => { + let ptr_ty = cx.tcx.mk_mut_ptr(cx.tcx.mk_dynamic(bounds, region, ty::Dyn)); + return cx.layout_of(ptr_ty).scalar_pair_element_llvm_type(cx, index, immediate); + } _ => {} } diff --git a/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl b/compiler/rustc_codegen_ssa/locales/en-US.ftl index 8fe5f8d50ab..8fe5f8d50ab 100644 --- a/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl +++ b/compiler/rustc_codegen_ssa/locales/en-US.ftl diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index eaf1e9817c2..52c01b423a7 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -473,13 +473,13 @@ impl<'a> Linker for GccLinker<'a> { self.cmd.arg(path); } fn full_relro(&mut self) { - self.linker_args(&["-zrelro", "-znow"]); + self.linker_args(&["-z", "relro", "-z", "now"]); } fn partial_relro(&mut self) { - self.linker_arg("-zrelro"); + self.linker_args(&["-z", "relro"]); } fn no_relro(&mut self) { - self.linker_arg("-znorelro"); + self.linker_args(&["-z", "norelro"]); } fn link_rust_dylib(&mut self, lib: &str, _path: &Path) { @@ -758,7 +758,7 @@ impl<'a> Linker for GccLinker<'a> { if self.sess.target.is_like_windows { self.linker_arg("--nxcompat"); } else if self.is_gnu { - self.linker_arg("-znoexecstack"); + self.linker_args(&["-z", "noexecstack"]); } } @@ -1364,16 +1364,16 @@ impl<'a> Linker for L4Bender<'a> { } fn full_relro(&mut self) { - self.cmd.arg("-zrelro"); - self.cmd.arg("-znow"); + self.cmd.arg("-z").arg("relro"); + self.cmd.arg("-z").arg("now"); } fn partial_relro(&mut self) { - self.cmd.arg("-zrelro"); + self.cmd.arg("-z").arg("relro"); } fn no_relro(&mut self) { - self.cmd.arg("-znorelro"); + self.cmd.arg("-z").arg("norelro"); } fn cmd(&mut self) -> &mut Command { diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs index 7d3c14fec5f..019ec0758d6 100644 --- a/compiler/rustc_codegen_ssa/src/back/metadata.rs +++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs @@ -33,6 +33,7 @@ use rustc_target::spec::{RelocModel, Target}; /// <dt>dylib</dt> /// <dd>The metadata can be found in the `.rustc` section of the shared library.</dd> /// </dl> +#[derive(Debug)] pub struct DefaultMetadataLoader; fn load_metadata_with( diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 023d38e9312..4e13d4dbcb7 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -39,7 +39,7 @@ use rustc_session::Session; use rustc_span::symbol::sym; use rustc_span::Symbol; use rustc_span::{DebuggerVisualizerFile, DebuggerVisualizerType}; -use rustc_target::abi::{Align, Size, VariantIdx}; +use rustc_target::abi::{Align, VariantIdx}; use std::collections::BTreeSet; use std::time::{Duration, Instant}; @@ -273,12 +273,13 @@ pub fn cast_to_dyn_star<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( matches!(dst_ty.kind(), ty::Dynamic(_, _, ty::DynStar)), "destination type must be a dyn*" ); - // FIXME(dyn-star): this is probably not the best way to check if this is - // a pointer, and really we should ensure that the value is a suitable - // pointer earlier in the compilation process. - let src = match src_ty_and_layout.pointee_info_at(bx.cx(), Size::ZERO) { - Some(_) => bx.ptrtoint(src, bx.cx().type_isize()), - None => bx.bitcast(src, bx.type_isize()), + // FIXME(dyn-star): We can remove this when all supported LLVMs use opaque ptrs only. + let unit_ptr = bx.cx().type_ptr_to(bx.cx().type_struct(&[], false)); + let src = match bx.cx().type_kind(bx.cx().backend_type(src_ty_and_layout)) { + TypeKind::Pointer => bx.pointercast(src, unit_ptr), + TypeKind::Integer => bx.inttoptr(src, unit_ptr), + // FIXME(dyn-star): We probably have to do a bitcast first, then inttoptr. + kind => bug!("unexpected TypeKind for left-hand side of `dyn*` cast: {kind:?}"), }; (src, unsized_info(bx, src_ty_and_layout.ty, dst_ty, old_info)) } diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 3ebbb2cbdfb..7d5c0048626 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -295,7 +295,8 @@ fn codegen_fn_attrs(tcx: TyCtxt<'_>, did: DefId) -> CodegenFnAttrs { if let Some(list) = attr.meta_item_list() { for item in list.iter() { if item.has_name(sym::address) { - codegen_fn_attrs.no_sanitize |= SanitizerSet::ADDRESS; + codegen_fn_attrs.no_sanitize |= + SanitizerSet::ADDRESS | SanitizerSet::KERNELADDRESS; } else if item.has_name(sym::cfi) { codegen_fn_attrs.no_sanitize |= SanitizerSet::CFI; } else if item.has_name(sym::kcfi) { diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index d81252653df..6dea7496fc3 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -1,8 +1,9 @@ //! Errors emitted by codegen_ssa use crate::back::command::Command; +use crate::fluent_generated as fluent; use rustc_errors::{ - fluent, DiagnosticArgValue, DiagnosticBuilder, ErrorGuaranteed, Handler, IntoDiagnostic, + DiagnosticArgValue, DiagnosticBuilder, ErrorGuaranteed, Handler, IntoDiagnostic, IntoDiagnosticArg, }; use rustc_macros::Diagnostic; @@ -388,7 +389,7 @@ pub struct LinkerNotFound { #[derive(Diagnostic)] #[diag(codegen_ssa_unable_to_exe_linker)] #[note] -#[note(command_note)] +#[note(codegen_ssa_command_note)] pub struct UnableToExeLinker { pub linker_path: PathBuf, pub error: Error, diff --git a/compiler/rustc_codegen_ssa/src/lib.rs b/compiler/rustc_codegen_ssa/src/lib.rs index d5530c47680..ebe9e50ffe6 100644 --- a/compiler/rustc_codegen_ssa/src/lib.rs +++ b/compiler/rustc_codegen_ssa/src/lib.rs @@ -13,7 +13,7 @@ //! This crate contains codegen code that is used by all codegen backends (LLVM and others). //! The backend-agnostic functions of this crate use functions defined in various traits that -//! have to be implemented by each backends. +//! have to be implemented by each backend. #[macro_use] extern crate rustc_macros; @@ -25,7 +25,9 @@ extern crate rustc_middle; use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir::def_id::CrateNum; +use rustc_macros::fluent_messages; use rustc_middle::dep_graph::WorkProduct; use rustc_middle::middle::dependency_format::Dependencies; use rustc_middle::middle::exported_symbols::SymbolExportKind; @@ -54,6 +56,8 @@ pub mod mono_item; pub mod target_features; pub mod traits; +fluent_messages! { "../locales/en-US.ftl" } + pub struct ModuleCodegen<M> { /// The name of the module. When the crate may be saved between /// compilations, incremental compilation requires that name be diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index 9af408646ae..cdc3e1dc237 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -16,7 +16,7 @@ use rustc_index::vec::Idx; use rustc_middle::mir::{self, AssertKind, SwitchTargets}; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf}; use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths}; -use rustc_middle::ty::{self, Instance, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Instance, Ty, TypeVisitableExt}; use rustc_session::config::OptLevel; use rustc_span::source_map::Span; use rustc_span::{sym, Symbol}; @@ -452,86 +452,84 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { args1 = [place.llval]; &args1[..] }; - let (drop_fn, fn_abi) = match ty.kind() { - // FIXME(eddyb) perhaps move some of this logic into - // `Instance::resolve_drop_in_place`? - ty::Dynamic(_, _, ty::Dyn) => { - // IN THIS ARM, WE HAVE: - // ty = *mut (dyn Trait) - // which is: exists<T> ( *mut T, Vtable<T: Trait> ) - // args[0] args[1] - // - // args = ( Data, Vtable ) - // | - // v - // /-------\ - // | ... | - // \-------/ - // - let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), - substs: drop_fn.substs, - }; - debug!("ty = {:?}", ty); - debug!("drop_fn = {:?}", drop_fn); - debug!("args = {:?}", args); - let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); - let vtable = args[1]; - // Truncate vtable off of args list - args = &args[..1]; - ( - meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) - .get_fn(bx, vtable, ty, &fn_abi), - fn_abi, - ) - } - ty::Dynamic(_, _, ty::DynStar) => { - // IN THIS ARM, WE HAVE: - // ty = *mut (dyn* Trait) - // which is: *mut exists<T: sizeof(T) == sizeof(usize)> (T, Vtable<T: Trait>) - // - // args = [ * ] - // | - // v - // ( Data, Vtable ) - // | - // v - // /-------\ - // | ... | - // \-------/ - // - // - // WE CAN CONVERT THIS INTO THE ABOVE LOGIC BY DOING - // - // data = &(*args[0]).0 // gives a pointer to Data above (really the same pointer) - // vtable = (*args[0]).1 // loads the vtable out - // (data, vtable) // an equivalent Rust `*mut dyn Trait` - // - // SO THEN WE CAN USE THE ABOVE CODE. - let virtual_drop = Instance { - def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), - substs: drop_fn.substs, - }; - debug!("ty = {:?}", ty); - debug!("drop_fn = {:?}", drop_fn); - debug!("args = {:?}", args); - let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); - let data = args[0]; - let data_ty = bx.cx().backend_type(place.layout); - let vtable_ptr = - bx.gep(data_ty, data, &[bx.cx().const_i32(0), bx.cx().const_i32(1)]); - let vtable = bx.load(bx.type_i8p(), vtable_ptr, abi::Align::ONE); - // Truncate vtable off of args list - args = &args[..1]; - debug!("args' = {:?}", args); - ( - meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) - .get_fn(bx, vtable, ty, &fn_abi), - fn_abi, - ) - } - _ => (bx.get_fn_addr(drop_fn), bx.fn_abi_of_instance(drop_fn, ty::List::empty())), - }; + let (drop_fn, fn_abi) = + match ty.kind() { + // FIXME(eddyb) perhaps move some of this logic into + // `Instance::resolve_drop_in_place`? + ty::Dynamic(_, _, ty::Dyn) => { + // IN THIS ARM, WE HAVE: + // ty = *mut (dyn Trait) + // which is: exists<T> ( *mut T, Vtable<T: Trait> ) + // args[0] args[1] + // + // args = ( Data, Vtable ) + // | + // v + // /-------\ + // | ... | + // \-------/ + // + let virtual_drop = Instance { + def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), + substs: drop_fn.substs, + }; + debug!("ty = {:?}", ty); + debug!("drop_fn = {:?}", drop_fn); + debug!("args = {:?}", args); + let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); + let vtable = args[1]; + // Truncate vtable off of args list + args = &args[..1]; + ( + meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) + .get_fn(bx, vtable, ty, &fn_abi), + fn_abi, + ) + } + ty::Dynamic(_, _, ty::DynStar) => { + // IN THIS ARM, WE HAVE: + // ty = *mut (dyn* Trait) + // which is: *mut exists<T: sizeof(T) == sizeof(usize)> (T, Vtable<T: Trait>) + // + // args = [ * ] + // | + // v + // ( Data, Vtable ) + // | + // v + // /-------\ + // | ... | + // \-------/ + // + // + // WE CAN CONVERT THIS INTO THE ABOVE LOGIC BY DOING + // + // data = &(*args[0]).0 // gives a pointer to Data above (really the same pointer) + // vtable = (*args[0]).1 // loads the vtable out + // (data, vtable) // an equivalent Rust `*mut dyn Trait` + // + // SO THEN WE CAN USE THE ABOVE CODE. + let virtual_drop = Instance { + def: ty::InstanceDef::Virtual(drop_fn.def_id(), 0), + substs: drop_fn.substs, + }; + debug!("ty = {:?}", ty); + debug!("drop_fn = {:?}", drop_fn); + debug!("args = {:?}", args); + let fn_abi = bx.fn_abi_of_instance(virtual_drop, ty::List::empty()); + let meta_ptr = place.project_field(bx, 1); + let meta = bx.load_operand(meta_ptr); + // Truncate vtable off of args list + args = &args[..1]; + debug!("args' = {:?}", args); + ( + meth::VirtualIndex::from_index(ty::COMMON_VTABLE_ENTRIES_DROPINPLACE) + .get_fn(bx, meta.immediate(), ty, &fn_abi), + fn_abi, + ) + } + _ => (bx.get_fn_addr(drop_fn), bx.fn_abi_of_instance(drop_fn, ty::List::empty())), + }; helper.do_call( self, bx, @@ -565,11 +563,13 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // with #[rustc_inherit_overflow_checks] and inlined from // another crate (mostly core::num generic/#[inline] fns), // while the current crate doesn't use overflow checks. - // NOTE: Unlike binops, negation doesn't have its own - // checked operation, just a comparison with the minimum - // value, so we have to check for the assert message. - if !bx.check_overflow() { - if let AssertKind::OverflowNeg(_) = *msg { + if !bx.cx().check_overflow() { + let overflow_not_to_check = match msg { + AssertKind::OverflowNeg(..) => true, + AssertKind::Overflow(op, ..) => op.is_checkable(), + _ => false, + }; + if overflow_not_to_check { const_cond = Some(expected); } } diff --git a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs index 766dc74cbbb..7af7fc92dbc 100644 --- a/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs +++ b/compiler/rustc_codegen_ssa/src/mir/intrinsic.rs @@ -218,9 +218,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { args[1].val.unaligned_volatile_store(bx, dst); return; } - sym::add_with_overflow - | sym::sub_with_overflow - | sym::mul_with_overflow | sym::unchecked_div | sym::unchecked_rem | sym::unchecked_shl @@ -232,28 +229,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let ty = arg_tys[0]; match int_type_width_signed(ty, bx.tcx()) { Some((_width, signed)) => match name { - sym::add_with_overflow - | sym::sub_with_overflow - | sym::mul_with_overflow => { - let op = match name { - sym::add_with_overflow => OverflowOp::Add, - sym::sub_with_overflow => OverflowOp::Sub, - sym::mul_with_overflow => OverflowOp::Mul, - _ => bug!(), - }; - let (val, overflow) = - bx.checked_binop(op, ty, args[0].immediate(), args[1].immediate()); - // Convert `i1` to a `bool`, and write it to the out parameter - let val = bx.from_immediate(val); - let overflow = bx.from_immediate(overflow); - - let dest = result.project_field(bx, 0); - bx.store(val, dest.llval, dest.align); - let dest = result.project_field(bx, 1); - bx.store(overflow, dest.llval, dest.align); - - return; - } sym::exact_div => { if signed { bx.exactsdiv(args[0].immediate(), args[1].immediate()) diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs index eec91ffa44a..2ec9fdbf44f 100644 --- a/compiler/rustc_codegen_ssa/src/mir/mod.rs +++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs @@ -3,7 +3,7 @@ use crate::traits::*; use rustc_middle::mir; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt, TyAndLayout}; -use rustc_middle::ty::{self, Instance, Ty, TypeFoldable}; +use rustc_middle::ty::{self, Instance, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_target::abi::call::{FnAbi, PassMode}; use std::iter; @@ -105,7 +105,7 @@ pub struct FunctionCx<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> { impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { pub fn monomorphize<T>(&self, value: T) -> T where - T: Copy + TypeFoldable<'tcx>, + T: Copy + TypeFoldable<TyCtxt<'tcx>>, { debug!("monomorphize: self.instance={:?}", self.instance); self.instance.subst_mir_and_normalize_erasing_regions( diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index 7c8d23a3329..41cd1c09a4e 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -652,15 +652,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { rhs: Bx::Value, input_ty: Ty<'tcx>, ) -> OperandValue<Bx::Value> { - // This case can currently arise only from functions marked - // with #[rustc_inherit_overflow_checks] and inlined from - // another crate (mostly core::num generic/#[inline] fns), - // while the current crate doesn't use overflow checks. - if !bx.cx().check_overflow() { - let val = self.codegen_scalar_binop(bx, op, lhs, rhs, input_ty); - return OperandValue::Pair(val, bx.cx().const_bool(false)); - } - let (val, of) = match op { // These are checked using intrinsics mir::BinOp::Add | mir::BinOp::Sub | mir::BinOp::Mul => { diff --git a/compiler/rustc_codegen_ssa/src/traits/backend.rs b/compiler/rustc_codegen_ssa/src/traits/backend.rs index 5c35070ea66..64bebe50ddb 100644 --- a/compiler/rustc_codegen_ssa/src/traits/backend.rs +++ b/compiler/rustc_codegen_ssa/src/traits/backend.rs @@ -57,6 +57,10 @@ impl<'tcx, T> Backend<'tcx> for T where } pub trait CodegenBackend { + /// Locale resources for diagnostic messages - a string the content of the Fluent resource. + /// Called before `init` so that all other functions are able to emit translatable diagnostics. + fn locale_resource(&self) -> &'static str; + fn init(&self, _sess: &Session) {} fn print(&self, _req: PrintRequest, _sess: &Session) {} fn target_features(&self, _sess: &Session, _allow_unstable: bool) -> Vec<Symbol> { diff --git a/compiler/rustc_error_messages/locales/en-US/const_eval.ftl b/compiler/rustc_const_eval/locales/en-US.ftl index 33bb116d6fa..33bb116d6fa 100644 --- a/compiler/rustc_error_messages/locales/en-US/const_eval.ftl +++ b/compiler/rustc_const_eval/locales/en-US.ftl diff --git a/compiler/rustc_const_eval/src/errors.rs b/compiler/rustc_const_eval/src/errors.rs index 4b055076742..f8b7cc6d7e1 100644 --- a/compiler/rustc_const_eval/src/errors.rs +++ b/compiler/rustc_const_eval/src/errors.rs @@ -9,12 +9,12 @@ pub(crate) struct UnstableInStable { #[primary_span] pub span: Span, #[suggestion( - unstable_sugg, + const_eval_unstable_sugg, code = "#[rustc_const_unstable(feature = \"...\", issue = \"...\")]\n", applicability = "has-placeholders" )] #[suggestion( - bypass_sugg, + const_eval_bypass_sugg, code = "#[rustc_allow_const_fn_unstable({gate})]\n", applicability = "has-placeholders" )] @@ -35,15 +35,15 @@ pub(crate) struct StaticAccessErr { #[primary_span] pub span: Span, pub kind: ConstContext, - #[note(teach_note)] - #[help(teach_help)] + #[note(const_eval_teach_note)] + #[help(const_eval_teach_help)] pub teach: Option<()>, } #[derive(Diagnostic)] #[diag(const_eval_raw_ptr_to_int)] #[note] -#[note(note2)] +#[note(const_eval_note2)] pub(crate) struct RawPtrToIntErr { #[primary_span] pub span: Span, @@ -118,7 +118,7 @@ pub(crate) struct UnallowedMutableRefs { #[primary_span] pub span: Span, pub kind: ConstContext, - #[note(teach_note)] + #[note(const_eval_teach_note)] pub teach: Option<()>, } @@ -128,7 +128,7 @@ pub(crate) struct UnallowedMutableRefsRaw { #[primary_span] pub span: Span, pub kind: ConstContext, - #[note(teach_note)] + #[note(const_eval_teach_note)] pub teach: Option<()>, } #[derive(Diagnostic)] @@ -163,7 +163,7 @@ pub(crate) struct UnallowedHeapAllocations { #[label] pub span: Span, pub kind: ConstContext, - #[note(teach_note)] + #[note(const_eval_teach_note)] pub teach: Option<()>, } @@ -184,7 +184,7 @@ pub(crate) struct InteriorMutableDataRefer { #[help] pub opt_help: Option<()>, pub kind: ConstContext, - #[note(teach_note)] + #[note(const_eval_teach_note)] pub teach: Option<()>, } diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 68a91eabda7..2be5ed896ec 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -312,6 +312,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } + /// `src` is a *pointer to* a `source_ty`, and in `dest` we should store a pointer to th same + /// data at type `cast_ty`. fn unsize_into_ptr( &mut self, src: &OpTy<'tcx, M::Provenance>, @@ -335,7 +337,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ); self.write_immediate(val, dest) } - (ty::Dynamic(data_a, ..), ty::Dynamic(data_b, ..)) => { + (ty::Dynamic(data_a, _, ty::Dyn), ty::Dynamic(data_b, _, ty::Dyn)) => { let val = self.read_immediate(src)?; if data_a.principal() == data_b.principal() { // A NOP cast that doesn't actually change anything, should be allowed even with mismatching vtables. @@ -359,7 +361,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } _ => { - span_bug!(self.cur_span(), "invalid unsizing {:?} -> {:?}", src.layout.ty, cast_ty) + span_bug!( + self.cur_span(), + "invalid pointer unsizing {:?} -> {:?}", + src.layout.ty, + cast_ty + ) } } } diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index c8bf769cfd8..3db102e484d 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -489,7 +489,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// Call this on things you got out of the MIR (so it is as generic as the current /// stack frame), to bring it into the proper environment for this interpreter. - pub(super) fn subst_from_current_frame_and_normalize_erasing_regions<T: TypeFoldable<'tcx>>( + pub(super) fn subst_from_current_frame_and_normalize_erasing_regions< + T: TypeFoldable<TyCtxt<'tcx>>, + >( &self, value: T, ) -> Result<T, InterpError<'tcx>> { @@ -498,7 +500,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// Call this on things you got out of the MIR (so it is as generic as the provided /// stack frame), to bring it into the proper environment for this interpreter. - pub(super) fn subst_from_frame_and_normalize_erasing_regions<T: TypeFoldable<'tcx>>( + pub(super) fn subst_from_frame_and_normalize_erasing_regions<T: TypeFoldable<TyCtxt<'tcx>>>( &self, frame: &Frame<'mir, 'tcx, M::Provenance, M::FrameExtra>, value: T, @@ -632,7 +634,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } Ok(Some((size, align))) } - ty::Dynamic(..) => { + ty::Dynamic(_, _, ty::Dyn) => { let vtable = metadata.unwrap_meta().to_pointer(self)?; // Read size and align from vtable (already checks size). Ok(Some(self.get_vtable_size_and_align(vtable)?)) diff --git a/compiler/rustc_const_eval/src/interpret/intern.rs b/compiler/rustc_const_eval/src/interpret/intern.rs index 301bfcef78a..21ef1836188 100644 --- a/compiler/rustc_const_eval/src/interpret/intern.rs +++ b/compiler/rustc_const_eval/src/interpret/intern.rs @@ -242,7 +242,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: CompileTimeMachine<'mir, 'tcx, const_eval::Memory let mplace = self.ecx.ref_to_mplace(&value)?; assert_eq!(mplace.layout.ty, referenced_ty); // Handle trait object vtables. - if let ty::Dynamic(..) = + if let ty::Dynamic(_, _, ty::Dyn) = tcx.struct_tail_erasing_lifetimes(referenced_ty, self.ecx.param_env).kind() { let ptr = mplace.meta.unwrap_meta().to_pointer(&tcx)?; diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics.rs b/compiler/rustc_const_eval/src/interpret/intrinsics.rs index 8877bb479d4..c5d558aeb6c 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics.rs @@ -210,19 +210,6 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let out_val = numeric_intrinsic(intrinsic_name, bits, kind); self.write_scalar(out_val, dest)?; } - sym::add_with_overflow | sym::sub_with_overflow | sym::mul_with_overflow => { - let lhs = self.read_immediate(&args[0])?; - let rhs = self.read_immediate(&args[1])?; - let bin_op = match intrinsic_name { - sym::add_with_overflow => BinOp::Add, - sym::sub_with_overflow => BinOp::Sub, - sym::mul_with_overflow => BinOp::Mul, - _ => bug!(), - }; - self.binop_with_overflow( - bin_op, /*force_overflow_checks*/ true, &lhs, &rhs, dest, - )?; - } sym::saturating_add | sym::saturating_sub => { let l = self.read_immediate(&args[0])?; let r = self.read_immediate(&args[1])?; diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs index ec5707505c8..f6a3937870e 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs @@ -96,7 +96,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let loc_ty = self .tcx .type_of(self.tcx.require_lang_item(LangItem::PanicLocation, None)) - .subst(*self.tcx, self.tcx.mk_substs([self.tcx.lifetimes.re_erased.into()].iter())); + .subst(*self.tcx, self.tcx.intern_substs(&[self.tcx.lifetimes.re_erased.into()])); let loc_layout = self.layout_of(loc_ty).unwrap(); let location = self.allocate(loc_layout, MemoryKind::CallerLocation).unwrap(); diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 5b7b0dc66d1..450488315ef 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -147,8 +147,9 @@ pub trait Machine<'mir, 'tcx>: Sized { true } - /// Whether CheckedBinOp MIR statements should actually check for overflow. - fn checked_binop_checks_overflow(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool; + /// Whether Assert(OverflowNeg) and Assert(Overflow) MIR terminators should actually + /// check for overflow. + fn ignore_checkable_overflow_assertions(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool; /// Entry point for obtaining the MIR of anything that should get evaluated. /// So not just functions and shims, but also const/static initializers, anonymous @@ -466,8 +467,8 @@ pub macro compile_time_machine(<$mir: lifetime, $tcx: lifetime>) { } #[inline(always)] - fn checked_binop_checks_overflow(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool { - true + fn ignore_checkable_overflow_assertions(_ecx: &InterpCx<$mir, $tcx, Self>) -> bool { + false } #[inline(always)] diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs index ba41019aa93..8d5192bca67 100644 --- a/compiler/rustc_const_eval/src/interpret/operand.rs +++ b/compiler/rustc_const_eval/src/interpret/operand.rs @@ -255,7 +255,22 @@ impl<'tcx, Prov: Provenance> OpTy<'tcx, Prov> { } } - pub fn offset_with_meta( + /// Replace the layout of this operand. There's basically no sanity check that this makes sense, + /// you better know what you are doing! If this is an immediate, applying the wrong layout can + /// not just lead to invalid data, it can actually *shift the data around* since the offsets of + /// a ScalarPair are entirely determined by the layout, not the data. + pub fn transmute(&self, layout: TyAndLayout<'tcx>) -> Self { + assert_eq!( + self.layout.size, layout.size, + "transmuting with a size change, that doesn't seem right" + ); + OpTy { layout, ..*self } + } + + /// Offset the operand in memory (if possible) and change its metadata. + /// + /// This can go wrong very easily if you give the wrong layout for the new place! + pub(super) fn offset_with_meta( &self, offset: Size, meta: MemPlaceMeta<Prov>, @@ -276,6 +291,9 @@ impl<'tcx, Prov: Provenance> OpTy<'tcx, Prov> { } } + /// Offset the operand in memory (if possible). + /// + /// This can go wrong very easily if you give the wrong layout for the new place! pub fn offset( &self, offset: Size, diff --git a/compiler/rustc_const_eval/src/interpret/operator.rs b/compiler/rustc_const_eval/src/interpret/operator.rs index e8ff70e3a40..422120084d3 100644 --- a/compiler/rustc_const_eval/src/interpret/operator.rs +++ b/compiler/rustc_const_eval/src/interpret/operator.rs @@ -10,13 +10,9 @@ use super::{ImmTy, Immediate, InterpCx, Machine, PlaceTy}; impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { /// Applies the binary operation `op` to the two operands and writes a tuple of the result /// and a boolean signifying the potential overflow to the destination. - /// - /// `force_overflow_checks` indicates whether overflow checks should be done even when - /// `tcx.sess.overflow_checks()` is `false`. pub fn binop_with_overflow( &mut self, op: mir::BinOp, - force_overflow_checks: bool, left: &ImmTy<'tcx, M::Provenance>, right: &ImmTy<'tcx, M::Provenance>, dest: &PlaceTy<'tcx, M::Provenance>, @@ -28,10 +24,6 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { "type mismatch for result of {:?}", op, ); - // As per https://github.com/rust-lang/rust/pull/98738, we always return `false` in the 2nd - // component when overflow checking is disabled. - let overflowed = - overflowed && (force_overflow_checks || M::checked_binop_checks_overflow(self)); // Write the result to `dest`. if let Abi::ScalarPair(..) = dest.layout.abi { // We can use the optimized path and avoid `place_field` (which might do diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 88485c06ed8..244fa8030af 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -26,6 +26,7 @@ pub enum MemPlaceMeta<Prov: Provenance = AllocId> { } impl<Prov: Provenance> MemPlaceMeta<Prov> { + #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) pub fn unwrap_meta(self) -> Scalar<Prov> { match self { Self::Meta(s) => s, @@ -147,12 +148,16 @@ impl<Prov: Provenance> MemPlace<Prov> { } #[inline] - pub fn offset_with_meta<'tcx>( + pub(super) fn offset_with_meta<'tcx>( self, offset: Size, meta: MemPlaceMeta<Prov>, cx: &impl HasDataLayout, ) -> InterpResult<'tcx, Self> { + debug_assert!( + !meta.has_meta() || self.meta.has_meta(), + "cannot use `offset_with_meta` to add metadata to a place" + ); Ok(MemPlace { ptr: self.ptr.offset(offset, cx)?, meta }) } } @@ -182,8 +187,11 @@ impl<'tcx, Prov: Provenance> MPlaceTy<'tcx, Prov> { MPlaceTy { mplace: MemPlace { ptr, meta: MemPlaceMeta::None }, layout, align } } + /// Offset the place in memory and change its metadata. + /// + /// This can go wrong very easily if you give the wrong layout for the new place! #[inline] - pub fn offset_with_meta( + pub(crate) fn offset_with_meta( &self, offset: Size, meta: MemPlaceMeta<Prov>, @@ -197,6 +205,9 @@ impl<'tcx, Prov: Provenance> MPlaceTy<'tcx, Prov> { }) } + /// Offset the place in memory. + /// + /// This can go wrong very easily if you give the wrong layout for the new place! pub fn offset( &self, offset: Size, @@ -241,14 +252,6 @@ impl<'tcx, Prov: Provenance> MPlaceTy<'tcx, Prov> { } } } - - #[inline] - pub(super) fn vtable(&self) -> Scalar<Prov> { - match self.layout.ty.kind() { - ty::Dynamic(..) => self.mplace.meta.unwrap_meta(), - _ => bug!("vtable not supported on type {:?}", self.layout.ty), - } - } } // These are defined here because they produce a place. @@ -266,7 +269,12 @@ impl<'tcx, Prov: Provenance> OpTy<'tcx, Prov> { #[inline(always)] #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) pub fn assert_mem_place(&self) -> MPlaceTy<'tcx, Prov> { - self.as_mplace_or_imm().left().unwrap() + self.as_mplace_or_imm().left().unwrap_or_else(|| { + bug!( + "OpTy of type {} was immediate when it was expected to be an MPlace", + self.layout.ty + ) + }) } } @@ -283,7 +291,12 @@ impl<'tcx, Prov: Provenance> PlaceTy<'tcx, Prov> { #[inline(always)] #[cfg_attr(debug_assertions, track_caller)] // only in debug builds due to perf (see #98980) pub fn assert_mem_place(&self) -> MPlaceTy<'tcx, Prov> { - self.as_mplace_or_local().left().unwrap() + self.as_mplace_or_local().left().unwrap_or_else(|| { + bug!( + "PlaceTy of type {} was a local when it was expected to be an MPlace", + self.layout.ty + ) + }) } } @@ -807,11 +820,16 @@ where } /// Turn a place with a `dyn Trait` type into a place with the actual dynamic type. + /// Aso returns the vtable. pub(super) fn unpack_dyn_trait( &self, mplace: &MPlaceTy<'tcx, M::Provenance>, - ) -> InterpResult<'tcx, MPlaceTy<'tcx, M::Provenance>> { - let vtable = mplace.vtable().to_pointer(self)?; // also sanity checks the type + ) -> InterpResult<'tcx, (MPlaceTy<'tcx, M::Provenance>, Pointer<Option<M::Provenance>>)> { + assert!( + matches!(mplace.layout.ty.kind(), ty::Dynamic(_, _, ty::Dyn)), + "`unpack_dyn_trait` only makes sense on `dyn*` types" + ); + let vtable = mplace.meta.unwrap_meta().to_pointer(self)?; let (ty, _) = self.get_ptr_vtable(vtable)?; let layout = self.layout_of(ty)?; @@ -820,7 +838,26 @@ where layout, align: layout.align.abi, }; - Ok(mplace) + Ok((mplace, vtable)) + } + + /// Turn an operand with a `dyn* Trait` type into an operand with the actual dynamic type. + /// Aso returns the vtable. + pub(super) fn unpack_dyn_star( + &self, + op: &OpTy<'tcx, M::Provenance>, + ) -> InterpResult<'tcx, (OpTy<'tcx, M::Provenance>, Pointer<Option<M::Provenance>>)> { + assert!( + matches!(op.layout.ty.kind(), ty::Dynamic(_, _, ty::DynStar)), + "`unpack_dyn_star` only makes sense on `dyn*` types" + ); + let data = self.operand_field(&op, 0)?; + let vtable = self.operand_field(&op, 1)?; + let vtable = self.read_pointer(&vtable)?; + let (ty, _) = self.get_ptr_vtable(vtable)?; + let layout = self.layout_of(ty)?; + let data = data.transmute(layout); + Ok((data, vtable)) } } diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index 8252e73c5d9..6863435e508 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -185,9 +185,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let left = self.read_immediate(&self.eval_operand(left, None)?)?; let layout = binop_right_homogeneous(bin_op).then_some(left.layout); let right = self.read_immediate(&self.eval_operand(right, layout)?)?; - self.binop_with_overflow( - bin_op, /*force_overflow_checks*/ false, &left, &right, &dest, - )?; + self.binop_with_overflow(bin_op, &left, &right, &dest)?; } UnaryOp(un_op, ref operand) => { diff --git a/compiler/rustc_const_eval/src/interpret/terminator.rs b/compiler/rustc_const_eval/src/interpret/terminator.rs index da320cd1cd5..d934cfbbb84 100644 --- a/compiler/rustc_const_eval/src/interpret/terminator.rs +++ b/compiler/rustc_const_eval/src/interpret/terminator.rs @@ -137,8 +137,14 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } Assert { ref cond, expected, ref msg, target, cleanup } => { + let ignored = M::ignore_checkable_overflow_assertions(self) + && match msg { + mir::AssertKind::OverflowNeg(..) => true, + mir::AssertKind::Overflow(op, ..) => op.is_checkable(), + _ => false, + }; let cond_val = self.read_scalar(&self.eval_operand(cond, None)?)?.to_bool()?; - if expected == cond_val { + if ignored || expected == cond_val { self.go_to_block(target); } else { M::assert_panic(self, msg, cleanup)?; @@ -541,7 +547,14 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let receiver_place = loop { match receiver.layout.ty.kind() { ty::Ref(..) | ty::RawPtr(..) => break self.deref_operand(&receiver)?, - ty::Dynamic(..) => break receiver.assert_mem_place(), // no immediate unsized values + ty::Dynamic(.., ty::Dyn) => break receiver.assert_mem_place(), // no immediate unsized values + ty::Dynamic(.., ty::DynStar) => { + // Not clear how to handle this, so far we assume the receiver is always a pointer. + span_bug!( + self.cur_span(), + "by-value calls on a `dyn*`... are those a thing?" + ); + } _ => { // Not there yet, search for the only non-ZST field. let mut non_zst_field = None; @@ -567,39 +580,59 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { } } }; - // Obtain the underlying trait we are working on. - let receiver_tail = self - .tcx - .struct_tail_erasing_lifetimes(receiver_place.layout.ty, self.param_env); - let ty::Dynamic(data, ..) = receiver_tail.kind() else { - span_bug!(self.cur_span(), "dynamic call on non-`dyn` type {}", receiver_tail) - }; - // Get the required information from the vtable. - let vptr = receiver_place.meta.unwrap_meta().to_pointer(self)?; - let (dyn_ty, dyn_trait) = self.get_ptr_vtable(vptr)?; - if dyn_trait != data.principal() { - throw_ub_format!( - "`dyn` call on a pointer whose vtable does not match its type" - ); - } + // Obtain the underlying trait we are working on, and the adjusted receiver argument. + let (vptr, dyn_ty, adjusted_receiver) = if let ty::Dynamic(data, _, ty::DynStar) = + receiver_place.layout.ty.kind() + { + let (recv, vptr) = self.unpack_dyn_star(&receiver_place.into())?; + let (dyn_ty, dyn_trait) = self.get_ptr_vtable(vptr)?; + if dyn_trait != data.principal() { + throw_ub_format!( + "`dyn*` call on a pointer whose vtable does not match its type" + ); + } + let recv = recv.assert_mem_place(); // we passed an MPlaceTy to `unpack_dyn_star` so we definitely still have one + + (vptr, dyn_ty, recv.ptr) + } else { + // Doesn't have to be a `dyn Trait`, but the unsized tail must be `dyn Trait`. + // (For that reason we also cannot use `unpack_dyn_trait`.) + let receiver_tail = self + .tcx + .struct_tail_erasing_lifetimes(receiver_place.layout.ty, self.param_env); + let ty::Dynamic(data, _, ty::Dyn) = receiver_tail.kind() else { + span_bug!(self.cur_span(), "dynamic call on non-`dyn` type {}", receiver_tail) + }; + assert!(receiver_place.layout.is_unsized()); + + // Get the required information from the vtable. + let vptr = receiver_place.meta.unwrap_meta().to_pointer(self)?; + let (dyn_ty, dyn_trait) = self.get_ptr_vtable(vptr)?; + if dyn_trait != data.principal() { + throw_ub_format!( + "`dyn` call on a pointer whose vtable does not match its type" + ); + } + + // It might be surprising that we use a pointer as the receiver even if this + // is a by-val case; this works because by-val passing of an unsized `dyn + // Trait` to a function is actually desugared to a pointer. + (vptr, dyn_ty, receiver_place.ptr) + }; // Now determine the actual method to call. We can do that in two different ways and // compare them to ensure everything fits. let Some(ty::VtblEntry::Method(fn_inst)) = self.get_vtable_entries(vptr)?.get(idx).copied() else { throw_ub_format!("`dyn` call trying to call something that is not a method") }; + trace!("Virtual call dispatches to {fn_inst:#?}"); if cfg!(debug_assertions) { let tcx = *self.tcx; let trait_def_id = tcx.trait_of_item(def_id).unwrap(); let virtual_trait_ref = ty::TraitRef::from_method(tcx, trait_def_id, instance.substs); - assert_eq!( - receiver_tail, - virtual_trait_ref.self_ty(), - "mismatch in underlying dyn trait computation within Miri and MIR building", - ); let existential_trait_ref = ty::ExistentialTraitRef::erase_self_ty(tcx, virtual_trait_ref); let concrete_trait_ref = existential_trait_ref.with_self_ty(tcx, dyn_ty); @@ -614,17 +647,12 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { assert_eq!(fn_inst, concrete_method); } - // `*mut receiver_place.layout.ty` is almost the layout that we - // want for args[0]: We have to project to field 0 because we want - // a thin pointer. - assert!(receiver_place.layout.is_unsized()); - let receiver_ptr_ty = self.tcx.mk_mut_ptr(receiver_place.layout.ty); - let this_receiver_ptr = self.layout_of(receiver_ptr_ty)?.field(self, 0); - // Adjust receiver argument. - args[0] = OpTy::from(ImmTy::from_immediate( - Scalar::from_maybe_pointer(receiver_place.ptr, self).into(), - this_receiver_ptr, - )); + // Adjust receiver argument. Layout can be any (thin) ptr. + args[0] = ImmTy::from_immediate( + Scalar::from_maybe_pointer(adjusted_receiver, self).into(), + self.layout_of(self.tcx.mk_mut_ptr(dyn_ty))?, + ) + .into(); trace!("Patched receiver operand to {:#?}", args[0]); // recurse with concrete function self.eval_fn_call( @@ -653,15 +681,24 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { // implementation fail -- a problem shared by rustc. let place = self.force_allocation(place)?; - let (instance, place) = match place.layout.ty.kind() { - ty::Dynamic(..) => { + let place = match place.layout.ty.kind() { + ty::Dynamic(_, _, ty::Dyn) => { // Dropping a trait object. Need to find actual drop fn. - let place = self.unpack_dyn_trait(&place)?; - let instance = ty::Instance::resolve_drop_in_place(*self.tcx, place.layout.ty); - (instance, place) + self.unpack_dyn_trait(&place)?.0 + } + ty::Dynamic(_, _, ty::DynStar) => { + // Dropping a `dyn*`. Need to find actual drop fn. + self.unpack_dyn_star(&place.into())?.0.assert_mem_place() + } + _ => { + debug_assert_eq!( + instance, + ty::Instance::resolve_drop_in_place(*self.tcx, place.layout.ty) + ); + place } - _ => (instance, place), }; + let instance = ty::Instance::resolve_drop_in_place(*self.tcx, place.layout.ty); let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty())?; let arg = ImmTy::from_immediate( diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index 581cb6421f7..bf2b4ee69ab 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -1,5 +1,7 @@ use rustc_middle::mir::interpret::InterpResult; -use rustc_middle::ty::{self, ir::TypeVisitor, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; +use rustc_middle::ty::{ + self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, +}; use std::ops::ControlFlow; /// Checks whether a type contains generic parameters which require substitution. @@ -9,7 +11,7 @@ use std::ops::ControlFlow; /// case these parameters are unused. pub(crate) fn ensure_monomorphic_enough<'tcx, T>(tcx: TyCtxt<'tcx>, ty: T) -> InterpResult<'tcx> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { debug!("ensure_monomorphic_enough: ty={:?}", ty); if !ty.needs_subst() { diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index 820ee320474..e76d4c1728e 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -23,18 +23,18 @@ use std::hash::Hash; // for the validation errors use super::UndefinedBehaviorInfo::*; use super::{ - CheckInAllocMsg, GlobalAlloc, ImmTy, Immediate, InterpCx, InterpResult, MPlaceTy, Machine, - MemPlaceMeta, OpTy, Scalar, ValueVisitor, + AllocId, CheckInAllocMsg, GlobalAlloc, ImmTy, Immediate, InterpCx, InterpResult, MPlaceTy, + Machine, MemPlaceMeta, OpTy, Pointer, Scalar, ValueVisitor, }; macro_rules! throw_validation_failure { - ($where:expr, { $( $what_fmt:expr ),+ } $( expected { $( $expected_fmt:expr ),+ } )?) => {{ + ($where:expr, { $( $what_fmt:tt )* } $( expected { $( $expected_fmt:tt )* } )?) => {{ let mut msg = String::new(); msg.push_str("encountered "); - write!(&mut msg, $($what_fmt),+).unwrap(); + write!(&mut msg, $($what_fmt)*).unwrap(); $( msg.push_str(", but expected "); - write!(&mut msg, $($expected_fmt),+).unwrap(); + write!(&mut msg, $($expected_fmt)*).unwrap(); )? let path = rustc_middle::ty::print::with_no_trimmed_paths!({ let where_ = &$where; @@ -82,7 +82,7 @@ macro_rules! throw_validation_failure { /// macro_rules! try_validation { ($e:expr, $where:expr, - $( $( $p:pat_param )|+ => { $( $what_fmt:expr ),+ } $( expected { $( $expected_fmt:expr ),+ } )? ),+ $(,)? + $( $( $p:pat_param )|+ => { $( $what_fmt:tt )* } $( expected { $( $expected_fmt:tt )* } )? ),+ $(,)? ) => {{ match $e { Ok(x) => x, @@ -93,7 +93,7 @@ macro_rules! try_validation { InterpError::UndefinedBehavior($($p)|+) => throw_validation_failure!( $where, - { $( $what_fmt ),+ } $( expected { $( $expected_fmt ),+ } )? + { $( $what_fmt )* } $( expected { $( $expected_fmt )* } )? ) ),+, #[allow(unreachable_patterns)] @@ -335,7 +335,7 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' ) -> InterpResult<'tcx> { let tail = self.ecx.tcx.struct_tail_erasing_lifetimes(pointee.ty, self.ecx.param_env); match tail.kind() { - ty::Dynamic(..) => { + ty::Dynamic(_, _, ty::Dyn) => { let vtable = meta.unwrap_meta().to_pointer(self.ecx)?; // Make sure it is a genuine vtable pointer. let (_ty, _trait) = try_validation!( @@ -399,12 +399,15 @@ impl<'rt, 'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValidityVisitor<'rt, 'mir, ' { "an unaligned {kind} (required {} byte alignment but found {})", required.bytes(), - has.bytes() + has.bytes(), }, DanglingIntPointer(0, _) => { "a null {kind}" }, DanglingIntPointer(i, _) => - { "a dangling {kind} (address {i:#x} is unallocated)" }, + { + "a dangling {kind} ({pointer} has no provenance)", + pointer = Pointer::<Option<AllocId>>::from_addr_invalid(*i), + }, PointerOutOfBounds { .. } => { "a dangling {kind} (going beyond the bounds of its allocation)" }, // This cannot happen during const-eval (because interning already detects diff --git a/compiler/rustc_const_eval/src/interpret/visitor.rs b/compiler/rustc_const_eval/src/interpret/visitor.rs index f9efc2418db..7a14459399c 100644 --- a/compiler/rustc_const_eval/src/interpret/visitor.rs +++ b/compiler/rustc_const_eval/src/interpret/visitor.rs @@ -284,7 +284,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> ValueMut<'mir, 'tcx, M> &self, ecx: &InterpCx<'mir, 'tcx, M>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { - // We `force_allocation` here so that `from_op` below can work. + // No need for `force_allocation` since we are just going to read from this. ecx.place_to_op(self) } @@ -421,15 +421,25 @@ macro_rules! make_value_visitor { // Special treatment for special types, where the (static) layout is not sufficient. match *ty.kind() { // If it is a trait object, switch to the real type that was used to create it. - ty::Dynamic(..) => { + ty::Dynamic(_, _, ty::Dyn) => { + // Dyn types. This is unsized, and the actual dynamic type of the data is given by the + // vtable stored in the place metadata. // unsized values are never immediate, so we can assert_mem_place let op = v.to_op_for_read(self.ecx())?; let dest = op.assert_mem_place(); - let inner_mplace = self.ecx().unpack_dyn_trait(&dest)?; + let inner_mplace = self.ecx().unpack_dyn_trait(&dest)?.0; trace!("walk_value: dyn object layout: {:#?}", inner_mplace.layout); // recurse with the inner type return self.visit_field(&v, 0, &$value_trait::from_op(&inner_mplace.into())); }, + ty::Dynamic(_, _, ty::DynStar) => { + // DynStar types. Very different from a dyn type (but strangely part of the + // same variant in `TyKind`): These are pairs where the 2nd component is the + // vtable, and the first component is the data (which must be ptr-sized). + let op = v.to_op_for_proj(self.ecx())?; + let data = self.ecx().unpack_dyn_star(&op)?.0; + return self.visit_field(&v, 0, &$value_trait::from_op(&data)); + } // Slices do not need special handling here: they have `Array` field // placement with length 0, so we enter the `Array` case below which // indirectly uses the metadata to determine the actual length. diff --git a/compiler/rustc_const_eval/src/lib.rs b/compiler/rustc_const_eval/src/lib.rs index 964efcc9062..fc6d61c79c2 100644 --- a/compiler/rustc_const_eval/src/lib.rs +++ b/compiler/rustc_const_eval/src/lib.rs @@ -34,10 +34,14 @@ pub mod interpret; pub mod transform; pub mod util; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; use rustc_middle::ty; use rustc_middle::ty::query::Providers; use rustc_target::abi::InitKind; +fluent_messages! { "../locales/en-US.ftl" } + pub fn provide(providers: &mut Providers) { const_eval::provide(providers); providers.eval_to_const_value_raw = const_eval::eval_to_const_value_raw_provider; diff --git a/compiler/rustc_const_eval/src/transform/check_consts/check.rs b/compiler/rustc_const_eval/src/transform/check_consts/check.rs index faf741de60a..e4366f655e4 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/check.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/check.rs @@ -10,7 +10,7 @@ use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceC use rustc_middle::mir::*; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; use rustc_middle::ty::{self, adjustment::PointerCast, Instance, InstanceDef, Ty, TyCtxt}; -use rustc_middle::ty::{Binder, TraitRef, TypeVisitable}; +use rustc_middle::ty::{Binder, TraitRef, TypeVisitableExt}; use rustc_mir_dataflow::{self, Analysis}; use rustc_span::{sym, Span, Symbol}; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; diff --git a/compiler/rustc_const_eval/src/transform/promote_consts.rs b/compiler/rustc_const_eval/src/transform/promote_consts.rs index 7009d3b38ae..ba08f5d30d9 100644 --- a/compiler/rustc_const_eval/src/transform/promote_consts.rs +++ b/compiler/rustc_const_eval/src/transform/promote_consts.rs @@ -18,7 +18,7 @@ use rustc_middle::mir::traversal::ReversePostorderIter; use rustc_middle::mir::visit::{MutVisitor, MutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::*; use rustc_middle::ty::subst::InternalSubsts; -use rustc_middle::ty::{self, List, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, List, TyCtxt, TypeVisitableExt}; use rustc_span::Span; use rustc_index::vec::{Idx, IndexVec}; @@ -898,7 +898,7 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { assert_eq!(self.new_block(), START_BLOCK); self.visit_rvalue( &mut rvalue, - Location { block: BasicBlock::new(0), statement_index: usize::MAX }, + Location { block: START_BLOCK, statement_index: usize::MAX }, ); let span = self.promoted.span; diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index 67dbf29da3b..3af2d0c4e66 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -13,7 +13,7 @@ use rustc_middle::mir::{ RetagKind, RuntimePhase, Rvalue, SourceScope, Statement, StatementKind, Terminator, TerminatorKind, UnOp, START_BLOCK, }; -use rustc_middle::ty::{self, InstanceDef, ParamEnv, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, InstanceDef, ParamEnv, Ty, TyCtxt, TypeVisitableExt}; use rustc_mir_dataflow::impls::MaybeStorageLive; use rustc_mir_dataflow::storage::always_storage_live_locals; use rustc_mir_dataflow::{Analysis, ResultsCursor}; diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml index 0366fb0a148..decbb6519ba 100644 --- a/compiler/rustc_data_structures/Cargo.toml +++ b/compiler/rustc_data_structures/Cargo.toml @@ -29,8 +29,9 @@ smallvec = { version = "1.8.1", features = [ stable_deref_trait = "1.0.0" stacker = "0.1.15" tempfile = "3.2" -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" +elsa = "1.8" [dependencies.parking_lot] version = "0.11" diff --git a/compiler/rustc_data_structures/src/graph/scc/mod.rs b/compiler/rustc_data_structures/src/graph/scc/mod.rs index c8e66eb672c..c4b11951ab7 100644 --- a/compiler/rustc_data_structures/src/graph/scc/mod.rs +++ b/compiler/rustc_data_structures/src/graph/scc/mod.rs @@ -27,7 +27,7 @@ pub struct Sccs<N: Idx, S: Idx> { scc_data: SccData<S>, } -struct SccData<S: Idx> { +pub struct SccData<S: Idx> { /// For each SCC, the range of `all_successors` where its /// successors can be found. ranges: IndexVec<S, Range<usize>>, @@ -43,6 +43,14 @@ impl<N: Idx, S: Idx + Ord> Sccs<N, S> { SccsConstruction::construct(graph) } + pub fn scc_indices(&self) -> &IndexVec<N, S> { + &self.scc_indices + } + + pub fn scc_data(&self) -> &SccData<S> { + &self.scc_data + } + /// Returns the number of SCCs in the graph. pub fn num_sccs(&self) -> usize { self.scc_data.len() @@ -115,6 +123,14 @@ impl<S: Idx> SccData<S> { self.ranges.len() } + pub fn ranges(&self) -> &IndexVec<S, Range<usize>> { + &self.ranges + } + + pub fn all_successors(&self) -> &Vec<S> { + &self.all_successors + } + /// Returns the successors of the given SCC. fn successors(&self, scc: S) -> &[S] { // Annoyingly, `range` does not implement `Copy`, so we have diff --git a/compiler/rustc_data_structures/src/sync.rs b/compiler/rustc_data_structures/src/sync.rs index ad71dcdf9d9..31323c21df0 100644 --- a/compiler/rustc_data_structures/src/sync.rs +++ b/compiler/rustc_data_structures/src/sync.rs @@ -26,6 +26,10 @@ use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe}; pub use std::sync::atomic::Ordering; pub use std::sync::atomic::Ordering::SeqCst; +pub use vec::AppendOnlyVec; + +mod vec; + cfg_if! { if #[cfg(not(parallel_compiler))] { pub auto trait Send {} diff --git a/compiler/rustc_data_structures/src/sync/vec.rs b/compiler/rustc_data_structures/src/sync/vec.rs new file mode 100644 index 00000000000..cbea4f05999 --- /dev/null +++ b/compiler/rustc_data_structures/src/sync/vec.rs @@ -0,0 +1,41 @@ +use std::marker::PhantomData; + +use rustc_index::vec::Idx; + +pub struct AppendOnlyVec<I: Idx, T: Copy> { + #[cfg(not(parallel_compiler))] + vec: elsa::vec::FrozenVec<T>, + #[cfg(parallel_compiler)] + vec: elsa::sync::LockFreeFrozenVec<T>, + _marker: PhantomData<fn(&I)>, +} + +impl<I: Idx, T: Copy> AppendOnlyVec<I, T> { + pub fn new() -> Self { + Self { + #[cfg(not(parallel_compiler))] + vec: elsa::vec::FrozenVec::new(), + #[cfg(parallel_compiler)] + vec: elsa::sync::LockFreeFrozenVec::new(), + _marker: PhantomData, + } + } + + pub fn push(&self, val: T) -> I { + #[cfg(not(parallel_compiler))] + let i = self.vec.len(); + #[cfg(not(parallel_compiler))] + self.vec.push(val); + #[cfg(parallel_compiler)] + let i = self.vec.push(val); + I::new(i) + } + + pub fn get(&self, i: I) -> Option<T> { + let i = i.index(); + #[cfg(not(parallel_compiler))] + return self.vec.get_copy(i); + #[cfg(parallel_compiler)] + return self.vec.get(i); + } +} diff --git a/compiler/rustc_driver_impl/Cargo.toml b/compiler/rustc_driver_impl/Cargo.toml index cdec4f91277..7b59a52cffe 100644 --- a/compiler/rustc_driver_impl/Cargo.toml +++ b/compiler/rustc_driver_impl/Cargo.toml @@ -9,6 +9,27 @@ edition = "2021" tracing = { version = "0.1.35" } serde_json = "1.0.59" rustc_log = { path = "../rustc_log" } +rustc_ast_lowering = { path = "../rustc_ast_lowering" } +rustc_ast_passes = { path = "../rustc_ast_passes" } +rustc_attr = { path = "../rustc_attr" } +rustc_borrowck = { path = "../rustc_borrowck" } +rustc_builtin_macros = { path = "../rustc_builtin_macros" } +rustc_const_eval = { path = "../rustc_const_eval" } +rustc_error_messages = { path = "../rustc_error_messages" } +rustc_expand = { path = "../rustc_expand" } +rustc_hir_typeck = { path = "../rustc_hir_typeck" } +rustc_incremental = { path = "../rustc_incremental" } +rustc_infer = { path = "../rustc_infer" } +rustc_mir_build = { path = "../rustc_mir_build" } +rustc_mir_dataflow = { path = "../rustc_mir_dataflow" } +rustc_monomorphize = { path = "../rustc_monomorphize" } +rustc_passes = { path = "../rustc_passes" } +rustc_privacy = { path = "../rustc_privacy" } +rustc_query_system = { path = "../rustc_query_system" } +rustc_resolve = { path = "../rustc_resolve" } +rustc_symbol_mangling = { path = "../rustc_symbol_mangling" } +rustc_trait_selection = { path = "../rustc_trait_selection" } +rustc_ty_utils = { path = "../rustc_ty_utils" } rustc_middle = { path = "../rustc_middle" } rustc_ast_pretty = { path = "../rustc_ast_pretty" } rustc_target = { path = "../rustc_target" } diff --git a/compiler/rustc_error_messages/locales/en-US/driver.ftl b/compiler/rustc_driver_impl/locales/en-US.ftl index f19b1ff6426..f19b1ff6426 100644 --- a/compiler/rustc_error_messages/locales/en-US/driver.ftl +++ b/compiler/rustc_driver_impl/locales/en-US.ftl diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 1a4fe07b476..54bcb154da2 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -23,11 +23,14 @@ use rustc_codegen_ssa::{traits::CodegenBackend, CodegenErrors, CodegenResults}; use rustc_data_structures::profiling::{get_resident_set_size, print_time_passes_entry}; use rustc_data_structures::sync::SeqCst; use rustc_errors::registry::{InvalidErrorCode, Registry}; -use rustc_errors::{ErrorGuaranteed, PResult, TerminalUrl}; +use rustc_errors::{ + DiagnosticMessage, ErrorGuaranteed, PResult, SubdiagnosticMessage, TerminalUrl, +}; use rustc_feature::find_gated_cfg; use rustc_interface::util::{self, collect_crate_types, get_codegen_backend}; use rustc_interface::{interface, Queries}; use rustc_lint::LintStore; +use rustc_macros::fluent_messages; use rustc_metadata::locator; use rustc_session::config::{nightly_options, CG_OPTIONS, Z_OPTIONS}; use rustc_session::config::{ErrorOutputType, Input, OutputType, PrintRequest, TrimmedDefPaths}; @@ -61,6 +64,44 @@ use crate::session_diagnostics::{ RLinkWrongFileType, RlinkNotAFile, RlinkUnableToRead, }; +fluent_messages! { "../locales/en-US.ftl" } + +pub static DEFAULT_LOCALE_RESOURCES: &[&str] = &[ + // tidy-alphabetical-start + crate::DEFAULT_LOCALE_RESOURCE, + rustc_ast_lowering::DEFAULT_LOCALE_RESOURCE, + rustc_ast_passes::DEFAULT_LOCALE_RESOURCE, + rustc_attr::DEFAULT_LOCALE_RESOURCE, + rustc_borrowck::DEFAULT_LOCALE_RESOURCE, + rustc_builtin_macros::DEFAULT_LOCALE_RESOURCE, + rustc_codegen_ssa::DEFAULT_LOCALE_RESOURCE, + rustc_const_eval::DEFAULT_LOCALE_RESOURCE, + rustc_error_messages::DEFAULT_LOCALE_RESOURCE, + rustc_expand::DEFAULT_LOCALE_RESOURCE, + rustc_hir_analysis::DEFAULT_LOCALE_RESOURCE, + rustc_hir_typeck::DEFAULT_LOCALE_RESOURCE, + rustc_incremental::DEFAULT_LOCALE_RESOURCE, + rustc_infer::DEFAULT_LOCALE_RESOURCE, + rustc_interface::DEFAULT_LOCALE_RESOURCE, + rustc_lint::DEFAULT_LOCALE_RESOURCE, + rustc_metadata::DEFAULT_LOCALE_RESOURCE, + rustc_middle::DEFAULT_LOCALE_RESOURCE, + rustc_mir_build::DEFAULT_LOCALE_RESOURCE, + rustc_mir_dataflow::DEFAULT_LOCALE_RESOURCE, + rustc_monomorphize::DEFAULT_LOCALE_RESOURCE, + rustc_parse::DEFAULT_LOCALE_RESOURCE, + rustc_passes::DEFAULT_LOCALE_RESOURCE, + rustc_plugin_impl::DEFAULT_LOCALE_RESOURCE, + rustc_privacy::DEFAULT_LOCALE_RESOURCE, + rustc_query_system::DEFAULT_LOCALE_RESOURCE, + rustc_resolve::DEFAULT_LOCALE_RESOURCE, + rustc_session::DEFAULT_LOCALE_RESOURCE, + rustc_symbol_mangling::DEFAULT_LOCALE_RESOURCE, + rustc_trait_selection::DEFAULT_LOCALE_RESOURCE, + rustc_ty_utils::DEFAULT_LOCALE_RESOURCE, + // tidy-alphabetical-end +]; + /// Exit status code used for successful compilation and help output. pub const EXIT_SUCCESS: i32 = 0; @@ -218,6 +259,7 @@ fn run_compiler( output_file: ofile, output_dir: odir, file_loader, + locale_resources: DEFAULT_LOCALE_RESOURCES, lint_caps: Default::default(), parse_sess_created: None, register_lints: None, @@ -320,7 +362,7 @@ fn run_compiler( } // Make sure name resolution and macro expansion is run. - queries.global_ctxt()?; + queries.global_ctxt()?.enter(|tcx| tcx.resolver_for_lowering(())); if callbacks.after_expansion(compiler, queries) == Compilation::Stop { return early_exit(); @@ -1162,7 +1204,7 @@ static DEFAULT_HOOK: LazyLock<Box<dyn Fn(&panic::PanicInfo<'_>) + Sync + Send + /// hook. pub fn report_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) { let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + rustc_errors::fallback_fluent_bundle(crate::DEFAULT_LOCALE_RESOURCES.to_vec(), false); let emitter = Box::new(rustc_errors::emitter::EmitterWriter::stderr( rustc_errors::ColorConfig::Auto, None, diff --git a/compiler/rustc_error_messages/locales/en-US.ftl b/compiler/rustc_error_messages/locales/en-US.ftl new file mode 100644 index 00000000000..e6292374448 --- /dev/null +++ b/compiler/rustc_error_messages/locales/en-US.ftl @@ -0,0 +1 @@ +# satisfy tidy lint by having a line in this file diff --git a/compiler/rustc_error_messages/locales/en-US/errors.ftl b/compiler/rustc_error_messages/locales/en-US/errors.ftl deleted file mode 100644 index 429bdd2777f..00000000000 --- a/compiler/rustc_error_messages/locales/en-US/errors.ftl +++ /dev/null @@ -1,13 +0,0 @@ -errors_target_invalid_address_space = invalid address space `{$addr_space}` for `{$cause}` in "data-layout": {$err} - -errors_target_invalid_bits = invalid {$kind} `{$bit}` for `{$cause}` in "data-layout": {$err} - -errors_target_missing_alignment = missing alignment for `{$cause}` in "data-layout" - -errors_target_invalid_alignment = invalid alignment for `{$cause}` in "data-layout": {$err} - -errors_target_inconsistent_architecture = inconsistent target specification: "data-layout" claims architecture is {$dl}-endian, while "target-endian" is `{$target}` - -errors_target_inconsistent_pointer_width = inconsistent target specification: "data-layout" claims pointers are {$pointer_size}-bit, while "target-pointer-width" is `{$target}` - -errors_target_invalid_bits_size = {$err} diff --git a/compiler/rustc_error_messages/src/lib.rs b/compiler/rustc_error_messages/src/lib.rs index 579466ed366..010e5f060bf 100644 --- a/compiler/rustc_error_messages/src/lib.rs +++ b/compiler/rustc_error_messages/src/lib.rs @@ -34,47 +34,7 @@ use intl_memoizer::IntlLangMemoizer; pub use fluent_bundle::{self, types::FluentType, FluentArgs, FluentError, FluentValue}; pub use unic_langid::{langid, LanguageIdentifier}; -// Generates `DEFAULT_LOCALE_RESOURCES` static and `fluent_generated` module. -fluent_messages! { - // tidy-alphabetical-start - ast_lowering => "../locales/en-US/ast_lowering.ftl", - ast_passes => "../locales/en-US/ast_passes.ftl", - attr => "../locales/en-US/attr.ftl", - borrowck => "../locales/en-US/borrowck.ftl", - builtin_macros => "../locales/en-US/builtin_macros.ftl", - codegen_gcc => "../locales/en-US/codegen_gcc.ftl", - codegen_llvm => "../locales/en-US/codegen_llvm.ftl", - codegen_ssa => "../locales/en-US/codegen_ssa.ftl", - compiletest => "../locales/en-US/compiletest.ftl", - const_eval => "../locales/en-US/const_eval.ftl", - driver => "../locales/en-US/driver.ftl", - errors => "../locales/en-US/errors.ftl", - expand => "../locales/en-US/expand.ftl", - hir_analysis => "../locales/en-US/hir_analysis.ftl", - hir_typeck => "../locales/en-US/hir_typeck.ftl", - incremental => "../locales/en-US/incremental.ftl", - infer => "../locales/en-US/infer.ftl", - interface => "../locales/en-US/interface.ftl", - lint => "../locales/en-US/lint.ftl", - metadata => "../locales/en-US/metadata.ftl", - middle => "../locales/en-US/middle.ftl", - mir_build => "../locales/en-US/mir_build.ftl", - mir_dataflow => "../locales/en-US/mir_dataflow.ftl", - monomorphize => "../locales/en-US/monomorphize.ftl", - parse => "../locales/en-US/parse.ftl", - passes => "../locales/en-US/passes.ftl", - plugin_impl => "../locales/en-US/plugin_impl.ftl", - privacy => "../locales/en-US/privacy.ftl", - query_system => "../locales/en-US/query_system.ftl", - resolve => "../locales/en-US/resolve.ftl", - session => "../locales/en-US/session.ftl", - symbol_mangling => "../locales/en-US/symbol_mangling.ftl", - trait_selection => "../locales/en-US/trait_selection.ftl", - ty_utils => "../locales/en-US/ty_utils.ftl", - // tidy-alphabetical-end -} - -pub use fluent_generated::{self as fluent, DEFAULT_LOCALE_RESOURCES}; +fluent_messages! { "../locales/en-US.ftl" } pub type FluentBundle = fluent_bundle::bundle::FluentBundle<FluentResource, IntlLangMemoizer>; @@ -175,7 +135,10 @@ pub fn fluent_bundle( let fallback_locale = langid!("en-US"); let requested_fallback_locale = requested_locale.as_ref() == Some(&fallback_locale); - + trace!(?requested_fallback_locale); + if requested_fallback_locale && additional_ftl_path.is_none() { + return Ok(None); + } // If there is only `-Z additional-ftl-path`, assume locale is "en-US", otherwise use user // provided locale. let locale = requested_locale.clone().unwrap_or(fallback_locale); @@ -193,7 +156,7 @@ pub fn fluent_bundle( bundle.set_use_isolating(with_directionality_markers); // If the user requests the default locale then don't try to load anything. - if !requested_fallback_locale && let Some(requested_locale) = requested_locale { + if let Some(requested_locale) = requested_locale { let mut found_resources = false; for sysroot in user_provided_sysroot.iter_mut().chain(sysroot_candidates.iter_mut()) { sysroot.push("share"); @@ -263,7 +226,7 @@ pub type LazyFallbackBundle = Lrc<Lazy<FluentBundle, impl FnOnce() -> FluentBund /// Return the default `FluentBundle` with standard "en-US" diagnostic messages. #[instrument(level = "trace")] pub fn fallback_fluent_bundle( - resources: &'static [&'static str], + resources: Vec<&'static str>, with_directionality_markers: bool, ) -> LazyFallbackBundle { Lrc::new(Lazy::new(move || { diff --git a/compiler/rustc_errors/locales/en-US.ftl b/compiler/rustc_errors/locales/en-US.ftl new file mode 100644 index 00000000000..dde1d6c0a81 --- /dev/null +++ b/compiler/rustc_errors/locales/en-US.ftl @@ -0,0 +1,19 @@ +errors_target_invalid_address_space = + invalid address space `{$addr_space}` for `{$cause}` in "data-layout": {$err} + +errors_target_invalid_bits = + invalid {$kind} `{$bit}` for `{$cause}` in "data-layout": {$err} + +errors_target_missing_alignment = + missing alignment for `{$cause}` in "data-layout" + +errors_target_invalid_alignment = + invalid alignment for `{$cause}` in "data-layout": {$err} + +errors_target_inconsistent_architecture = + inconsistent target specification: "data-layout" claims architecture is {$dl}-endian, while "target-endian" is `{$target}` + +errors_target_inconsistent_pointer_width = + inconsistent target specification: "data-layout" claims pointers are {$pointer_size}-bit, while "target-pointer-width" is `{$target}` + +errors_target_invalid_bits_size = {$err} diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 5ada85d04b0..d4ddd0c53bf 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -1,6 +1,5 @@ -use crate::{ - fluent, DiagnosticArgValue, DiagnosticBuilder, Handler, IntoDiagnostic, IntoDiagnosticArg, -}; +use crate::fluent_generated as fluent; +use crate::{DiagnosticArgValue, DiagnosticBuilder, Handler, IntoDiagnostic, IntoDiagnosticArg}; use rustc_ast as ast; use rustc_ast_pretty::pprust; use rustc_hir as hir; diff --git a/compiler/rustc_errors/src/json/tests.rs b/compiler/rustc_errors/src/json/tests.rs index f161532d3b7..671dc449eaa 100644 --- a/compiler/rustc_errors/src/json/tests.rs +++ b/compiler/rustc_errors/src/json/tests.rs @@ -46,7 +46,7 @@ fn test_positions(code: &str, span: (u32, u32), expected_output: SpanTestData) { let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); sm.new_source_file(Path::new("test.rs").to_owned().into(), code.to_owned()); let fallback_bundle = - crate::fallback_fluent_bundle(rustc_error_messages::DEFAULT_LOCALE_RESOURCES, false); + crate::fallback_fluent_bundle(vec![crate::DEFAULT_LOCALE_RESOURCE], false); let output = Arc::new(Mutex::new(Vec::new())); let je = JsonEmitter::new( diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 4b3c0c055ad..edec8cce92f 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -36,11 +36,11 @@ use rustc_data_structures::stable_hasher::StableHasher; use rustc_data_structures::sync::{self, Lock, Lrc}; use rustc_data_structures::AtomicRef; pub use rustc_error_messages::{ - fallback_fluent_bundle, fluent, fluent_bundle, DelayDm, DiagnosticMessage, FluentBundle, + fallback_fluent_bundle, fluent_bundle, DelayDm, DiagnosticMessage, FluentBundle, LanguageIdentifier, LazyFallbackBundle, MultiSpan, SpanLabel, SubdiagnosticMessage, - DEFAULT_LOCALE_RESOURCES, }; pub use rustc_lint_defs::{pluralize, Applicability}; +use rustc_macros::fluent_messages; use rustc_span::source_map::SourceMap; use rustc_span::HashStableContext; use rustc_span::{Loc, Span}; @@ -76,6 +76,8 @@ pub use snippet::Style; pub type PErr<'a> = DiagnosticBuilder<'a, ErrorGuaranteed>; pub type PResult<'a, T> = Result<T, PErr<'a>>; +fluent_messages! { "../locales/en-US.ftl" } + // `PResult` is used a lot. Make sure it doesn't unintentionally get bigger. // (See also the comment on `DiagnosticBuilderInner`'s `diagnostic` field.) #[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] @@ -471,6 +473,8 @@ pub enum StashKey { /// When an invalid lifetime e.g. `'2` should be reinterpreted /// as a char literal in the parser LifetimeIsChar, + /// When an invalid lifetime e.g. `'🐱` contains emoji. + LifetimeContainsEmoji, /// Maybe there was a typo where a comma was forgotten before /// FRU syntax MaybeFruTypo, diff --git a/compiler/rustc_errors/src/translation.rs b/compiler/rustc_errors/src/translation.rs index addfc9726ca..ed35eb1b6c4 100644 --- a/compiler/rustc_errors/src/translation.rs +++ b/compiler/rustc_errors/src/translation.rs @@ -1,9 +1,10 @@ -use crate::error::TranslateError; +use crate::error::{TranslateError, TranslateErrorKind}; use crate::snippet::Style; use crate::{DiagnosticArg, DiagnosticMessage, FluentBundle}; use rustc_data_structures::sync::Lrc; use rustc_error_messages::FluentArgs; use std::borrow::Cow; +use std::env; use std::error::Report; /// Convert diagnostic arguments (a rustc internal type that exists to implement @@ -94,12 +95,29 @@ pub trait Translate { // The primary bundle was present and translation succeeded Some(Ok(t)) => t, - // Always yeet out for errors on debug - Some(Err(primary)) if cfg!(debug_assertions) => do yeet primary, - // If `translate_with_bundle` returns `Err` with the primary bundle, this is likely - // just that the primary bundle doesn't contain the message being translated or - // something else went wrong) so proceed to the fallback bundle. + // just that the primary bundle doesn't contain the message being translated, so + // proceed to the fallback bundle. + Some(Err( + primary @ TranslateError::One { + kind: TranslateErrorKind::MessageMissing, .. + }, + )) => translate_with_bundle(self.fallback_fluent_bundle()) + .map_err(|fallback| primary.and(fallback))?, + + // Always yeet out for errors on debug (unless + // `RUSTC_TRANSLATION_NO_DEBUG_ASSERT` is set in the environment - this allows + // local runs of the test suites, of builds with debug assertions, to test the + // behaviour in a normal build). + Some(Err(primary)) + if cfg!(debug_assertions) + && env::var("RUSTC_TRANSLATION_NO_DEBUG_ASSERT").is_err() => + { + do yeet primary + } + + // ..otherwise, for end users, an error about this wouldn't be useful or actionable, so + // just hide it and try with the fallback bundle. Some(Err(primary)) => translate_with_bundle(self.fallback_fluent_bundle()) .map_err(|fallback| primary.and(fallback))?, diff --git a/compiler/rustc_expand/Cargo.toml b/compiler/rustc_expand/Cargo.toml index 192f54171ce..c971714e05b 100644 --- a/compiler/rustc_expand/Cargo.toml +++ b/compiler/rustc_expand/Cargo.toml @@ -24,5 +24,5 @@ rustc_serialize = { path = "../rustc_serialize" } rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.8" +thin-vec = "0.2.12" tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/expand.ftl b/compiler/rustc_expand/locales/en-US.ftl index dbd80954382..dbd80954382 100644 --- a/compiler/rustc_error_messages/locales/en-US/expand.ftl +++ b/compiler/rustc_expand/locales/en-US.ftl diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index cf7cff739b3..22bc90f5cac 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -5,6 +5,7 @@ use crate::expand::{self, AstFragment, Invocation}; use crate::module::DirOwnership; use rustc_ast::attr::MarkedAttrs; +use rustc_ast::mut_visit::DummyAstNode; use rustc_ast::ptr::P; use rustc_ast::token::{self, Nonterminal}; use rustc_ast::tokenstream::TokenStream; @@ -28,10 +29,11 @@ use rustc_span::source_map::SourceMap; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, FileName, Span, DUMMY_SP}; use smallvec::{smallvec, SmallVec}; - +use std::default::Default; use std::iter; use std::path::{Path, PathBuf}; use std::rc::Rc; +use thin_vec::ThinVec; pub(crate) use rustc_span::hygiene::MacroKind; @@ -553,7 +555,7 @@ impl DummyResult { pub fn raw_expr(sp: Span, is_error: bool) -> P<ast::Expr> { P(ast::Expr { id: ast::DUMMY_NODE_ID, - kind: if is_error { ast::ExprKind::Err } else { ast::ExprKind::Tup(Vec::new()) }, + kind: if is_error { ast::ExprKind::Err } else { ast::ExprKind::Tup(ThinVec::new()) }, span: sp, attrs: ast::AttrVec::new(), tokens: None, @@ -569,7 +571,7 @@ impl DummyResult { pub fn raw_ty(sp: Span, is_error: bool) -> P<ast::Ty> { P(ast::Ty { id: ast::DUMMY_NODE_ID, - kind: if is_error { ast::TyKind::Err } else { ast::TyKind::Tup(Vec::new()) }, + kind: if is_error { ast::TyKind::Err } else { ast::TyKind::Tup(ThinVec::new()) }, span: sp, tokens: None, }) @@ -640,6 +642,10 @@ impl MacResult for DummyResult { fn make_variants(self: Box<DummyResult>) -> Option<SmallVec<[ast::Variant; 1]>> { Some(SmallVec::new()) } + + fn make_crate(self: Box<DummyResult>) -> Option<ast::Crate> { + Some(DummyAstNode::dummy()) + } } /// A syntax extension kind. diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index b4c12651e7a..8a78c3296f9 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -5,7 +5,7 @@ use rustc_ast::{attr, token, util::literal}; use rustc_span::source_map::Spanned; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::Span; -use thin_vec::ThinVec; +use thin_vec::{thin_vec, ThinVec}; impl<'a> ExtCtxt<'a> { pub fn path(&self, span: Span, strs: Vec<Ident>) -> ast::Path { @@ -125,7 +125,7 @@ impl<'a> ExtCtxt<'a> { pub fn poly_trait_ref(&self, span: Span, path: ast::Path) -> ast::PolyTraitRef { ast::PolyTraitRef { - bound_generic_params: Vec::new(), + bound_generic_params: ThinVec::new(), trait_ref: self.trait_ref(path), span, } @@ -221,14 +221,14 @@ impl<'a> ExtCtxt<'a> { pub fn block_expr(&self, expr: P<ast::Expr>) -> P<ast::Block> { self.block( expr.span, - vec![ast::Stmt { + thin_vec![ast::Stmt { id: ast::DUMMY_NODE_ID, span: expr.span, kind: ast::StmtKind::Expr(expr), }], ) } - pub fn block(&self, span: Span, stmts: Vec<ast::Stmt>) -> P<ast::Block> { + pub fn block(&self, span: Span, stmts: ThinVec<ast::Stmt>) -> P<ast::Block> { P(ast::Block { stmts, id: ast::DUMMY_NODE_ID, @@ -284,18 +284,23 @@ impl<'a> ExtCtxt<'a> { &self, span: Span, expr: P<ast::Expr>, - args: Vec<P<ast::Expr>>, + args: ThinVec<P<ast::Expr>>, ) -> P<ast::Expr> { self.expr(span, ast::ExprKind::Call(expr, args)) } - pub fn expr_call_ident(&self, span: Span, id: Ident, args: Vec<P<ast::Expr>>) -> P<ast::Expr> { + pub fn expr_call_ident( + &self, + span: Span, + id: Ident, + args: ThinVec<P<ast::Expr>>, + ) -> P<ast::Expr> { self.expr(span, ast::ExprKind::Call(self.expr_ident(span, id), args)) } pub fn expr_call_global( &self, sp: Span, fn_path: Vec<Ident>, - args: Vec<P<ast::Expr>>, + args: ThinVec<P<ast::Expr>>, ) -> P<ast::Expr> { let pathexpr = self.expr_path(self.path_global(sp, fn_path)); self.expr_call(sp, pathexpr, args) @@ -318,7 +323,7 @@ impl<'a> ExtCtxt<'a> { &self, span: Span, path: ast::Path, - fields: Vec<ast::ExprField>, + fields: ThinVec<ast::ExprField>, ) -> P<ast::Expr> { self.expr( span, @@ -334,7 +339,7 @@ impl<'a> ExtCtxt<'a> { &self, span: Span, id: Ident, - fields: Vec<ast::ExprField>, + fields: ThinVec<ast::ExprField>, ) -> P<ast::Expr> { self.expr_struct(span, self.path_ident(span, id), fields) } @@ -372,12 +377,12 @@ impl<'a> ExtCtxt<'a> { } /// `[expr1, expr2, ...]` - pub fn expr_array(&self, sp: Span, exprs: Vec<P<ast::Expr>>) -> P<ast::Expr> { + pub fn expr_array(&self, sp: Span, exprs: ThinVec<P<ast::Expr>>) -> P<ast::Expr> { self.expr(sp, ast::ExprKind::Array(exprs)) } /// `&[expr1, expr2, ...]` - pub fn expr_array_ref(&self, sp: Span, exprs: Vec<P<ast::Expr>>) -> P<ast::Expr> { + pub fn expr_array_ref(&self, sp: Span, exprs: ThinVec<P<ast::Expr>>) -> P<ast::Expr> { self.expr_addr_of(sp, self.expr_array(sp, exprs)) } @@ -387,14 +392,14 @@ impl<'a> ExtCtxt<'a> { pub fn expr_some(&self, sp: Span, expr: P<ast::Expr>) -> P<ast::Expr> { let some = self.std_path(&[sym::option, sym::Option, sym::Some]); - self.expr_call_global(sp, some, vec![expr]) + self.expr_call_global(sp, some, thin_vec![expr]) } pub fn expr_none(&self, sp: Span) -> P<ast::Expr> { let none = self.std_path(&[sym::option, sym::Option, sym::None]); self.expr_path(self.path_global(sp, none)) } - pub fn expr_tuple(&self, sp: Span, exprs: Vec<P<ast::Expr>>) -> P<ast::Expr> { + pub fn expr_tuple(&self, sp: Span, exprs: ThinVec<P<ast::Expr>>) -> P<ast::Expr> { self.expr(sp, ast::ExprKind::Tup(exprs)) } @@ -402,7 +407,7 @@ impl<'a> ExtCtxt<'a> { self.expr_call_global( span, [sym::std, sym::rt, sym::begin_panic].iter().map(|s| Ident::new(*s, span)).collect(), - vec![self.expr_str(span, msg)], + thin_vec![self.expr_str(span, msg)], ) } @@ -412,7 +417,7 @@ impl<'a> ExtCtxt<'a> { pub fn expr_ok(&self, sp: Span, expr: P<ast::Expr>) -> P<ast::Expr> { let ok = self.std_path(&[sym::result, sym::Result, sym::Ok]); - self.expr_call_global(sp, ok, vec![expr]) + self.expr_call_global(sp, ok, thin_vec![expr]) } pub fn expr_try(&self, sp: Span, head: P<ast::Expr>) -> P<ast::Expr> { @@ -426,12 +431,12 @@ impl<'a> ExtCtxt<'a> { let binding_expr = self.expr_ident(sp, binding_variable); // `Ok(__try_var)` pattern - let ok_pat = self.pat_tuple_struct(sp, ok_path, vec![binding_pat.clone()]); + let ok_pat = self.pat_tuple_struct(sp, ok_path, thin_vec![binding_pat.clone()]); // `Err(__try_var)` (pattern and expression respectively) - let err_pat = self.pat_tuple_struct(sp, err_path.clone(), vec![binding_pat]); + let err_pat = self.pat_tuple_struct(sp, err_path.clone(), thin_vec![binding_pat]); let err_inner_expr = - self.expr_call(sp, self.expr_path(err_path), vec![binding_expr.clone()]); + self.expr_call(sp, self.expr_path(err_path), thin_vec![binding_expr.clone()]); // `return Err(__try_var)` let err_expr = self.expr(sp, ast::ExprKind::Ret(Some(err_inner_expr))); @@ -441,7 +446,7 @@ impl<'a> ExtCtxt<'a> { let err_arm = self.arm(sp, err_pat, err_expr); // `match head { Ok() => ..., Err() => ... }` - self.expr_match(sp, head, vec![ok_arm, err_arm]) + self.expr_match(sp, head, thin_vec![ok_arm, err_arm]) } pub fn pat(&self, span: Span, kind: PatKind) -> P<ast::Pat> { @@ -473,7 +478,7 @@ impl<'a> ExtCtxt<'a> { &self, span: Span, path: ast::Path, - subpats: Vec<P<ast::Pat>>, + subpats: ThinVec<P<ast::Pat>>, ) -> P<ast::Pat> { self.pat(span, PatKind::TupleStruct(None, path, subpats)) } @@ -481,18 +486,18 @@ impl<'a> ExtCtxt<'a> { &self, span: Span, path: ast::Path, - field_pats: Vec<ast::PatField>, + field_pats: ThinVec<ast::PatField>, ) -> P<ast::Pat> { self.pat(span, PatKind::Struct(None, path, field_pats, false)) } - pub fn pat_tuple(&self, span: Span, pats: Vec<P<ast::Pat>>) -> P<ast::Pat> { + pub fn pat_tuple(&self, span: Span, pats: ThinVec<P<ast::Pat>>) -> P<ast::Pat> { self.pat(span, PatKind::Tuple(pats)) } pub fn pat_some(&self, span: Span, pat: P<ast::Pat>) -> P<ast::Pat> { let some = self.std_path(&[sym::option, sym::Option, sym::Some]); let path = self.path_global(span, some); - self.pat_tuple_struct(span, path, vec![pat]) + self.pat_tuple_struct(span, path, thin_vec![pat]) } pub fn arm(&self, span: Span, pat: P<ast::Pat>, expr: P<ast::Expr>) -> ast::Arm { @@ -511,7 +516,7 @@ impl<'a> ExtCtxt<'a> { self.arm(span, self.pat_wild(span), self.expr_unreachable(span)) } - pub fn expr_match(&self, span: Span, arg: P<ast::Expr>, arms: Vec<ast::Arm>) -> P<Expr> { + pub fn expr_match(&self, span: Span, arg: P<ast::Expr>, arms: ThinVec<ast::Arm>) -> P<Expr> { self.expr(span, ast::ExprKind::Match(arg, arms)) } @@ -562,7 +567,12 @@ impl<'a> ExtCtxt<'a> { self.lambda(span, vec![ident], body) } - pub fn lambda_stmts_1(&self, span: Span, stmts: Vec<ast::Stmt>, ident: Ident) -> P<ast::Expr> { + pub fn lambda_stmts_1( + &self, + span: Span, + stmts: ThinVec<ast::Stmt>, + ident: Ident, + ) -> P<ast::Expr> { self.lambda1(span, self.expr_block(self.block(span, stmts)), ident) } @@ -579,7 +589,7 @@ impl<'a> ExtCtxt<'a> { } // `self` is unused but keep it as method for the convenience use. - pub fn fn_decl(&self, inputs: Vec<ast::Param>, output: ast::FnRetTy) -> P<ast::FnDecl> { + pub fn fn_decl(&self, inputs: ThinVec<ast::Param>, output: ast::FnRetTy) -> P<ast::FnDecl> { P(ast::FnDecl { inputs, output }) } diff --git a/compiler/rustc_expand/src/config.rs b/compiler/rustc_expand/src/config.rs index 5c845ae6d0b..01500c2c77c 100644 --- a/compiler/rustc_expand/src/config.rs +++ b/compiler/rustc_expand/src/config.rs @@ -24,6 +24,7 @@ use rustc_session::Session; use rustc_span::edition::{Edition, ALL_EDITIONS}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{Span, DUMMY_SP}; +use thin_vec::ThinVec; /// A folder that strips out items that do not belong in the current configuration. pub struct StripUnconfigured<'a> { @@ -206,7 +207,7 @@ pub fn features( None => { // The entire crate is unconfigured. krate.attrs = ast::AttrVec::new(); - krate.items = Vec::new(); + krate.items = ThinVec::new(); Features::default() } Some(attrs) => { diff --git a/compiler/rustc_expand/src/errors.rs b/compiler/rustc_expand/src/errors.rs index 9b9697ab13d..d9b2b5f4802 100644 --- a/compiler/rustc_expand/src/errors.rs +++ b/compiler/rustc_expand/src/errors.rs @@ -65,7 +65,7 @@ pub(crate) struct MacroConstStability { #[primary_span] #[label] pub span: Span, - #[label(label2)] + #[label(expand_label2)] pub head_span: Span, } @@ -75,7 +75,7 @@ pub(crate) struct MacroBodyStability { #[primary_span] #[label] pub span: Span, - #[label(label2)] + #[label(expand_label2)] pub head_span: Span, } @@ -188,7 +188,7 @@ pub(crate) struct FeatureRemoved<'a> { } #[derive(Subdiagnostic)] -#[note(reason)] +#[note(expand_reason)] pub(crate) struct FeatureRemovedReason<'a> { pub reason: &'a str, } @@ -223,12 +223,12 @@ pub(crate) struct MalformedFeatureAttribute { #[derive(Subdiagnostic)] pub(crate) enum MalformedFeatureAttributeHelp { - #[label(expected)] + #[label(expand_expected)] Label { #[primary_span] span: Span, }, - #[suggestion(expected, code = "{suggestion}", applicability = "maybe-incorrect")] + #[suggestion(expand_expected, code = "{suggestion}", applicability = "maybe-incorrect")] Suggestion { #[primary_span] span: Span, @@ -306,7 +306,7 @@ pub(crate) struct IncompleteParse<'a> { pub kind_name: &'a str, #[suggestion( - suggestion_add_semi, + expand_suggestion_add_semi, style = "verbose", code = ";", applicability = "maybe-incorrect" @@ -340,7 +340,7 @@ pub(crate) struct ModuleInBlock { } #[derive(Subdiagnostic)] -#[note(note)] +#[note(expand_note)] pub(crate) struct ModuleInBlockName { #[primary_span] pub span: Span, diff --git a/compiler/rustc_expand/src/lib.rs b/compiler/rustc_expand/src/lib.rs index 89726856635..634e206e58a 100644 --- a/compiler/rustc_expand/src/lib.rs +++ b/compiler/rustc_expand/src/lib.rs @@ -20,6 +20,9 @@ extern crate tracing; extern crate proc_macro as pm; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + mod placeholders; mod proc_macro_server; @@ -60,3 +63,5 @@ mod tokenstream { mod mut_visit { mod tests; } + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index cd431f57019..5679cdcbbd0 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -16,7 +16,6 @@ use rustc_ast_pretty::pprust; use rustc_attr::{self as attr, TransparencyError}; use rustc_data_structures::fx::{FxHashMap, FxIndexMap}; use rustc_errors::{Applicability, ErrorGuaranteed}; -use rustc_feature::Features; use rustc_lint_defs::builtin::{ RUST_2021_INCOMPATIBLE_OR_PATTERNS, SEMICOLON_IN_EXPRESSIONS_FROM_MACROS, }; @@ -379,7 +378,6 @@ pub(super) fn try_match_macro<'matcher, T: Tracker<'matcher>>( /// Converts a macro item into a syntax extension. pub fn compile_declarative_macro( sess: &Session, - features: &Features, def: &ast::Item, edition: Edition, ) -> (SyntaxExtension, Vec<(usize, Span)>) { @@ -508,7 +506,7 @@ pub fn compile_declarative_macro( true, &sess.parse_sess, def.id, - features, + sess.features_untracked(), edition, ) .pop() @@ -532,7 +530,7 @@ pub fn compile_declarative_macro( false, &sess.parse_sess, def.id, - features, + sess.features_untracked(), edition, ) .pop() diff --git a/compiler/rustc_expand/src/module.rs b/compiler/rustc_expand/src/module.rs index 07f47a9c3a4..3779af19e12 100644 --- a/compiler/rustc_expand/src/module.rs +++ b/compiler/rustc_expand/src/module.rs @@ -12,8 +12,8 @@ use rustc_session::Session; use rustc_span::symbol::{sym, Ident}; use rustc_span::Span; use std::iter::once; - use std::path::{self, Path, PathBuf}; +use thin_vec::ThinVec; #[derive(Copy, Clone)] pub enum DirOwnership { @@ -31,7 +31,7 @@ pub struct ModulePathSuccess { } pub(crate) struct ParsedExternalMod { - pub items: Vec<P<Item>>, + pub items: ThinVec<P<Item>>, pub spans: ModSpans, pub file_path: PathBuf, pub dir_path: PathBuf, diff --git a/compiler/rustc_expand/src/parse/tests.rs b/compiler/rustc_expand/src/parse/tests.rs index 0726d922c84..8b37728b60f 100644 --- a/compiler/rustc_expand/src/parse/tests.rs +++ b/compiler/rustc_expand/src/parse/tests.rs @@ -18,7 +18,10 @@ use rustc_span::{BytePos, FileName, Pos, Span}; use std::path::PathBuf; fn sess() -> ParseSess { - ParseSess::new(FilePathMapping::empty()) + ParseSess::new( + vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE], + FilePathMapping::empty(), + ) } /// Parses an item. diff --git a/compiler/rustc_expand/src/tests.rs b/compiler/rustc_expand/src/tests.rs index f80141403bf..14918d3c190 100644 --- a/compiler/rustc_expand/src/tests.rs +++ b/compiler/rustc_expand/src/tests.rs @@ -34,7 +34,10 @@ where /// Maps a string to tts, using a made-up filename. pub(crate) fn string_to_stream(source_str: String) -> TokenStream { - let ps = ParseSess::new(FilePathMapping::empty()); + let ps = ParseSess::new( + vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE], + FilePathMapping::empty(), + ); source_file_to_stream( &ps, ps.source_map().new_source_file(PathBuf::from("bogofile").into(), source_str), @@ -45,7 +48,10 @@ pub(crate) fn string_to_stream(source_str: String) -> TokenStream { /// Parses a string, returns a crate. pub(crate) fn string_to_crate(source_str: String) -> ast::Crate { - let ps = ParseSess::new(FilePathMapping::empty()); + let ps = ParseSess::new( + vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE], + FilePathMapping::empty(), + ); with_error_checking_parse(source_str, &ps, |p| p.parse_crate_mod()) } @@ -127,8 +133,10 @@ fn test_harness(file_text: &str, span_labels: Vec<SpanLabel>, expected_output: & create_default_session_if_not_set_then(|_| { let output = Arc::new(Mutex::new(Vec::new())); - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE], + false, + ); let source_map = Lrc::new(SourceMap::new(FilePathMapping::empty())); source_map.new_source_file(Path::new("test.rs").to_owned().into(), file_text.to_owned()); diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index 7122ccdcd2e..6d8f7e4a0f6 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -474,7 +474,7 @@ declare_features! ( /// Allows using the `non_exhaustive_omitted_patterns` lint. (active, non_exhaustive_omitted_patterns_lint, "1.57.0", Some(89554), None), /// Allows `for<T>` binders in where-clauses - (incomplete, non_lifetime_binders, "CURRENT_RUSTC_VERSION", Some(1), None), + (incomplete, non_lifetime_binders, "CURRENT_RUSTC_VERSION", Some(108185), None), /// Allows making `dyn Trait` well-formed even if `Trait` is not object safe. /// In that case, `dyn Trait: Trait` does not hold. Moreover, coercions and /// casts in safe Rust to `dyn Trait` for such a `Trait` is also forbidden. diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs index 0599ae04a90..8c58129c800 100644 --- a/compiler/rustc_hir/src/def.rs +++ b/compiler/rustc_hir/src/def.rs @@ -124,6 +124,11 @@ pub enum DefKind { } impl DefKind { + /// Get an English description for the item's kind. + /// + /// If you have access to `TyCtxt`, use `TyCtxt::def_descr` or + /// `TyCtxt::def_kind_descr` instead, because they give better + /// information for generators and associated functions. pub fn descr(self, def_id: DefId) -> &'static str { match self { DefKind::Fn => "function", @@ -166,6 +171,10 @@ impl DefKind { } /// Gets an English article for the definition. + /// + /// If you have access to `TyCtxt`, use `TyCtxt::def_descr_article` or + /// `TyCtxt::def_kind_descr_article` instead, because they give better + /// information for generators and associated functions. pub fn article(&self) -> &'static str { match *self { DefKind::AssocTy diff --git a/compiler/rustc_hir/src/definitions.rs b/compiler/rustc_hir/src/definitions.rs index cd3c620cbb7..8ceb176491b 100644 --- a/compiler/rustc_hir/src/definitions.rs +++ b/compiler/rustc_hir/src/definitions.rs @@ -280,6 +280,8 @@ pub enum DefPathData { AnonConst, /// An `impl Trait` type node. ImplTrait, + /// `impl Trait` generated associated type node. + ImplTraitAssocTy, } impl Definitions { @@ -403,7 +405,7 @@ impl DefPathData { TypeNs(name) | ValueNs(name) | MacroNs(name) | LifetimeNs(name) => Some(name), Impl | ForeignMod | CrateRoot | Use | GlobalAsm | ClosureExpr | Ctor | AnonConst - | ImplTrait => None, + | ImplTrait | ImplTraitAssocTy => None, } } @@ -422,7 +424,7 @@ impl DefPathData { ClosureExpr => DefPathDataName::Anon { namespace: sym::closure }, Ctor => DefPathDataName::Anon { namespace: sym::constructor }, AnonConst => DefPathDataName::Anon { namespace: sym::constant }, - ImplTrait => DefPathDataName::Anon { namespace: sym::opaque }, + ImplTrait | ImplTraitAssocTy => DefPathDataName::Anon { namespace: sym::opaque }, } } } diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 80ec1caf521..3f52f174cdf 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -987,7 +987,6 @@ pub struct Pat<'hir> { } impl<'hir> Pat<'hir> { - // FIXME(#19596) this is a workaround, but there should be a better way fn walk_short_(&self, it: &mut impl FnMut(&Pat<'hir>) -> bool) -> bool { if !it(self) { return false; @@ -1015,7 +1014,6 @@ impl<'hir> Pat<'hir> { self.walk_short_(&mut it) } - // FIXME(#19596) this is a workaround, but there should be a better way fn walk_(&self, it: &mut impl FnMut(&Pat<'hir>) -> bool) { if !it(self) { return; diff --git a/compiler/rustc_hir_analysis/Cargo.toml b/compiler/rustc_hir_analysis/Cargo.toml index c939c8303bf..fab16b80fb5 100644 --- a/compiler/rustc_hir_analysis/Cargo.toml +++ b/compiler/rustc_hir_analysis/Cargo.toml @@ -9,7 +9,6 @@ doctest = false [dependencies] rustc_arena = { path = "../rustc_arena" } -tracing = "0.1" rustc_macros = { path = "../rustc_macros" } rustc_middle = { path = "../rustc_middle" } rustc_attr = { path = "../rustc_attr" } @@ -27,3 +26,5 @@ rustc_trait_selection = { path = "../rustc_trait_selection" } rustc_lint = { path = "../rustc_lint" } rustc_type_ir = { path = "../rustc_type_ir" } rustc_feature = { path = "../rustc_feature" } +thin-vec = "0.2.12" +tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/hir_analysis.ftl b/compiler/rustc_hir_analysis/locales/en-US.ftl index 41f458f6c17..7e3a31f3355 100644 --- a/compiler/rustc_error_messages/locales/en-US/hir_analysis.ftl +++ b/compiler/rustc_hir_analysis/locales/en-US.ftl @@ -33,20 +33,7 @@ hir_analysis_field_already_declared = .label = field already declared .previous_decl_label = `{$field_name}` first declared here -hir_analysis_copy_impl_on_type_with_dtor = - the trait `Copy` may not be implemented for this type; the type has a destructor - .label = `Copy` not allowed on types with destructors - -hir_analysis_multiple_relaxed_default_bounds = - type parameter has more than one relaxed default bound, only one is supported - -hir_analysis_copy_impl_on_non_adt = - the trait `Copy` may not be implemented for this type - .label = type is not a structure or enumeration - -hir_analysis_trait_object_declared_with_no_traits = - at least one trait is required for an object type - .alias_span = this alias does not contain a trait +hir_analysis_expected_used_symbol = expected `used`, `used(compiler)` or `used(linker)` hir_analysis_ambiguous_lifetime_bound = ambiguous lifetime bound, explicit lifetime bound required @@ -68,6 +55,25 @@ hir_analysis_value_of_associated_struct_already_specified = hir_analysis_unconstrained_opaque_type = unconstrained opaque type .note = `{$name}` must be used in combination with a concrete type within the same {$what} +hir_analysis_manual_implementation = + manual implementations of `{$trait_name}` are experimental + .label = manual implementations of `{$trait_name}` are experimental + .help = add `#![feature(unboxed_closures)]` to the crate attributes to enable + +hir_analysis_substs_on_overridden_impl = could not resolve substs on overridden impl + +hir_analysis_unused_extern_crate = + unused extern crate + .suggestion = remove it + +hir_analysis_extern_crate_not_idiomatic = + `extern crate` is not idiomatic in the new edition + .suggestion = convert it to a `{$msg_code}` + +hir_analysis_trait_object_declared_with_no_traits = + at least one trait is required for an object type + .alias_span = this alias does not contain a trait + hir_analysis_missing_type_params = the type {$parameterCount -> [one] parameter @@ -90,20 +96,16 @@ hir_analysis_missing_type_params = } to {$parameters} .note = because of the default `Self` reference, type parameters must be specified on object types -hir_analysis_manual_implementation = - manual implementations of `{$trait_name}` are experimental - .label = manual implementations of `{$trait_name}` are experimental - .help = add `#![feature(unboxed_closures)]` to the crate attributes to enable - -hir_analysis_substs_on_overridden_impl = could not resolve substs on overridden impl +hir_analysis_copy_impl_on_type_with_dtor = + the trait `Copy` may not be implemented for this type; the type has a destructor + .label = `Copy` not allowed on types with destructors -hir_analysis_unused_extern_crate = - unused extern crate - .suggestion = remove it +hir_analysis_multiple_relaxed_default_bounds = + type parameter has more than one relaxed default bound, only one is supported -hir_analysis_extern_crate_not_idiomatic = - `extern crate` is not idiomatic in the new edition - .suggestion = convert it to a `{$msg_code}` +hir_analysis_copy_impl_on_non_adt = + the trait `Copy` may not be implemented for this type + .label = type is not a structure or enumeration hir_analysis_const_impl_for_non_const_trait = const `impl` for trait `{$trait_name}` which is not marked with `#[const_trait]` @@ -124,3 +126,9 @@ hir_analysis_linkage_type = hir_analysis_auto_deref_reached_recursion_limit = reached the recursion limit while auto-dereferencing `{$ty}` .label = deref recursion limit reached .help = consider increasing the recursion limit by adding a `#![recursion_limit = "{$suggested_limit}"]` attribute to your crate (`{$crate_name}`) + +hir_analysis_where_clause_on_main = `main` function is not allowed to have a `where` clause + .label = `main` cannot have a `where` clause + +hir_analysis_track_caller_on_main = `main` function is not allowed to be `#[track_caller]` + .label = `main` function is not allowed to be `#[track_caller]` diff --git a/compiler/rustc_hir_analysis/src/astconv/errors.rs b/compiler/rustc_hir_analysis/src/astconv/errors.rs index 232ef2079d6..499b51eef72 100644 --- a/compiler/rustc_hir_analysis/src/astconv/errors.rs +++ b/compiler/rustc_hir_analysis/src/astconv/errors.rs @@ -1,12 +1,13 @@ use crate::astconv::AstConv; use crate::errors::{ManualImplementation, MissingTypeParams}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{pluralize, struct_span_err, Applicability, ErrorGuaranteed}; +use rustc_errors::{pluralize, struct_span_err, Applicability, Diagnostic, ErrorGuaranteed}; use rustc_hir as hir; use rustc_hir::def_id::DefId; -use rustc_middle::ty; +use rustc_infer::traits::FulfillmentError; +use rustc_middle::ty::{self, Ty}; use rustc_session::parse::feature_err; -use rustc_span::lev_distance::find_best_match_for_name; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::symbol::{sym, Ident}; use rustc_span::{Span, Symbol, DUMMY_SP}; @@ -221,6 +222,228 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { err.emit() } + pub(crate) fn complain_about_ambiguous_inherent_assoc_type( + &self, + name: Ident, + candidates: Vec<DefId>, + span: Span, + ) -> ErrorGuaranteed { + let mut err = struct_span_err!( + self.tcx().sess, + name.span, + E0034, + "multiple applicable items in scope" + ); + err.span_label(name.span, format!("multiple `{name}` found")); + self.note_ambiguous_inherent_assoc_type(&mut err, candidates, span); + err.emit() + } + + // FIXME(fmease): Heavily adapted from `rustc_hir_typeck::method::suggest`. Deduplicate. + fn note_ambiguous_inherent_assoc_type( + &self, + err: &mut Diagnostic, + candidates: Vec<DefId>, + span: Span, + ) { + let tcx = self.tcx(); + + // Dynamic limit to avoid hiding just one candidate, which is silly. + let limit = if candidates.len() == 5 { 5 } else { 4 }; + + for (index, &item) in candidates.iter().take(limit).enumerate() { + let impl_ = tcx.impl_of_method(item).unwrap(); + + let note_span = if item.is_local() { + Some(tcx.def_span(item)) + } else if impl_.is_local() { + Some(tcx.def_span(impl_)) + } else { + None + }; + + let title = if candidates.len() > 1 { + format!("candidate #{}", index + 1) + } else { + "the candidate".into() + }; + + let impl_ty = tcx.at(span).type_of(impl_).subst_identity(); + let note = format!("{title} is defined in an impl for the type `{impl_ty}`"); + + if let Some(span) = note_span { + err.span_note(span, ¬e); + } else { + err.note(¬e); + } + } + if candidates.len() > limit { + err.note(&format!("and {} others", candidates.len() - limit)); + } + } + + // FIXME(inherent_associated_types): Find similarly named associated types and suggest them. + pub(crate) fn complain_about_inherent_assoc_type_not_found( + &self, + name: Ident, + self_ty: Ty<'tcx>, + candidates: Vec<(DefId, (DefId, DefId))>, + fulfillment_errors: Vec<FulfillmentError<'tcx>>, + span: Span, + ) -> ErrorGuaranteed { + // FIXME(fmease): This was copied in parts from an old version of `rustc_hir_typeck::method::suggest`. + // Either + // * update this code by applying changes similar to #106702 or by taking a + // Vec<(DefId, (DefId, DefId), Option<Vec<FulfillmentError<'tcx>>>)> or + // * deduplicate this code across the two crates. + + let tcx = self.tcx(); + + let adt_did = self_ty.ty_adt_def().map(|def| def.did()); + let add_def_label = |err: &mut Diagnostic| { + if let Some(did) = adt_did { + err.span_label( + tcx.def_span(did), + format!("associated item `{name}` not found for this {}", tcx.def_descr(did)), + ); + } + }; + + if fulfillment_errors.is_empty() { + // FIXME(fmease): Copied from `rustc_hir_typeck::method::probe`. Deduplicate. + + let limit = if candidates.len() == 5 { 5 } else { 4 }; + let type_candidates = candidates + .iter() + .take(limit) + .map(|&(impl_, _)| format!("- `{}`", tcx.at(span).type_of(impl_).subst_identity())) + .collect::<Vec<_>>() + .join("\n"); + let additional_types = if candidates.len() > limit { + format!("\nand {} more types", candidates.len() - limit) + } else { + String::new() + }; + + let mut err = struct_span_err!( + tcx.sess, + name.span, + E0220, + "associated type `{name}` not found for `{self_ty}` in the current scope" + ); + err.span_label(name.span, format!("associated item not found in `{self_ty}`")); + err.note(&format!( + "the associated type was found for\n{type_candidates}{additional_types}", + )); + add_def_label(&mut err); + return err.emit(); + } + + let mut bound_spans = Vec::new(); + + let mut bound_span_label = |self_ty: Ty<'_>, obligation: &str, quiet: &str| { + let msg = format!( + "doesn't satisfy `{}`", + if obligation.len() > 50 { quiet } else { obligation } + ); + match &self_ty.kind() { + // Point at the type that couldn't satisfy the bound. + ty::Adt(def, _) => bound_spans.push((tcx.def_span(def.did()), msg)), + // Point at the trait object that couldn't satisfy the bound. + ty::Dynamic(preds, _, _) => { + for pred in preds.iter() { + match pred.skip_binder() { + ty::ExistentialPredicate::Trait(tr) => { + bound_spans.push((tcx.def_span(tr.def_id), msg.clone())) + } + ty::ExistentialPredicate::Projection(_) + | ty::ExistentialPredicate::AutoTrait(_) => {} + } + } + } + // Point at the closure that couldn't satisfy the bound. + ty::Closure(def_id, _) => { + bound_spans.push((tcx.def_span(*def_id), format!("doesn't satisfy `{quiet}`"))) + } + _ => {} + } + }; + + let format_pred = |pred: ty::Predicate<'tcx>| { + let bound_predicate = pred.kind(); + match bound_predicate.skip_binder() { + ty::PredicateKind::Clause(ty::Clause::Projection(pred)) => { + let pred = bound_predicate.rebind(pred); + // `<Foo as Iterator>::Item = String`. + let projection_ty = pred.skip_binder().projection_ty; + + let substs_with_infer_self = tcx.mk_substs( + std::iter::once(tcx.mk_ty_var(ty::TyVid::from_u32(0)).into()) + .chain(projection_ty.substs.iter().skip(1)), + ); + + let quiet_projection_ty = + tcx.mk_alias_ty(projection_ty.def_id, substs_with_infer_self); + + let term = pred.skip_binder().term; + + let obligation = format!("{projection_ty} = {term}"); + let quiet = format!("{quiet_projection_ty} = {term}"); + + bound_span_label(projection_ty.self_ty(), &obligation, &quiet); + Some((obligation, projection_ty.self_ty())) + } + ty::PredicateKind::Clause(ty::Clause::Trait(poly_trait_ref)) => { + let p = poly_trait_ref.trait_ref; + let self_ty = p.self_ty(); + let path = p.print_only_trait_path(); + let obligation = format!("{self_ty}: {path}"); + let quiet = format!("_: {path}"); + bound_span_label(self_ty, &obligation, &quiet); + Some((obligation, self_ty)) + } + _ => None, + } + }; + + // FIXME(fmease): `rustc_hir_typeck::method::suggest` uses a `skip_list` to filter out some bounds. + // I would do the same here if it didn't mean more code duplication. + let mut bounds: Vec<_> = fulfillment_errors + .into_iter() + .map(|error| error.root_obligation.predicate) + .filter_map(format_pred) + .map(|(p, _)| format!("`{}`", p)) + .collect(); + bounds.sort(); + bounds.dedup(); + + let mut err = tcx.sess.struct_span_err( + name.span, + &format!("the associated type `{name}` exists for `{self_ty}`, but its trait bounds were not satisfied") + ); + if !bounds.is_empty() { + err.note(&format!( + "the following trait bounds were not satisfied:\n{}", + bounds.join("\n") + )); + } + err.span_label( + name.span, + format!("associated type cannot be referenced on `{self_ty}` due to unsatisfied trait bounds") + ); + + bound_spans.sort(); + bound_spans.dedup(); + for (span, msg) in bound_spans { + if !tcx.sess.source_map().is_span_accessible(span) { + continue; + } + err.span_label(span, &msg); + } + add_def_label(&mut err); + err.emit() + } + /// When there are any missing associated types, emit an E0191 error and attempt to supply a /// reasonable suggestion on how to write it. For the case of multiple associated types in the /// same trait bound have the same name (as they come from different supertraits), we instead diff --git a/compiler/rustc_hir_analysis/src/astconv/generics.rs b/compiler/rustc_hir_analysis/src/astconv/generics.rs index e5e20aa78d9..630becc09d2 100644 --- a/compiler/rustc_hir_analysis/src/astconv/generics.rs +++ b/compiler/rustc_hir_analysis/src/astconv/generics.rs @@ -6,7 +6,7 @@ use crate::astconv::{ use crate::errors::AssocTypeBindingNotAllowed; use crate::structured_errors::{GenericArgsInfo, StructuredDiagnostic, WrongNumberOfGenericArgs}; use rustc_ast::ast::ParamKindOrd; -use rustc_errors::{struct_span_err, Applicability, Diagnostic, MultiSpan}; +use rustc_errors::{struct_span_err, Applicability, Diagnostic, ErrorGuaranteed, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; @@ -26,7 +26,7 @@ fn generic_arg_mismatch_err( param: &GenericParamDef, possible_ordering_error: bool, help: Option<&str>, -) { +) -> ErrorGuaranteed { let sess = tcx.sess; let mut err = struct_span_err!( sess, @@ -70,9 +70,9 @@ fn generic_arg_mismatch_err( ) => match path.res { Res::Err => { add_braces_suggestion(arg, &mut err); - err.set_primary_message("unresolved item provided when a constant was expected") + return err + .set_primary_message("unresolved item provided when a constant was expected") .emit(); - return; } Res::Def(DefKind::TyParam, src_def_id) => { if let Some(param_local_id) = param.def_id.as_local() { @@ -81,7 +81,7 @@ fn generic_arg_mismatch_err( if param_type.is_suggestable(tcx, false) { err.span_suggestion( tcx.def_span(src_def_id), - "consider changing this type parameter to be a `const` generic", + "consider changing this type parameter to a const parameter", format!("const {}: {}", param_name, param_type), Applicability::MaybeIncorrect, ); @@ -137,7 +137,7 @@ fn generic_arg_mismatch_err( } } - err.emit(); + err.emit() } /// Creates the relevant generic argument substitutions diff --git a/compiler/rustc_hir_analysis/src/astconv/mod.rs b/compiler/rustc_hir_analysis/src/astconv/mod.rs index abc33e84139..92dc02c8d3f 100644 --- a/compiler/rustc_hir_analysis/src/astconv/mod.rs +++ b/compiler/rustc_hir_analysis/src/astconv/mod.rs @@ -27,24 +27,26 @@ use rustc_hir::def::{CtorOf, DefKind, Namespace, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::{walk_generics, Visitor as _}; use rustc_hir::{GenericArg, GenericArgs, OpaqueTyOrigin}; +use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{InferCtxt, TyCtxtInferExt}; +use rustc_infer::traits::ObligationCause; +use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; use rustc_middle::middle::stability::AllowUnstable; use rustc_middle::ty::subst::{self, GenericArgKind, InternalSubsts, SubstsRef}; use rustc_middle::ty::DynKind; use rustc_middle::ty::GenericParamDefKind; -use rustc_middle::ty::{self, Const, DefIdTree, IsSuggestable, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Const, DefIdTree, IsSuggestable, Ty, TyCtxt, TypeVisitableExt}; use rustc_session::lint::builtin::{AMBIGUOUS_ASSOCIATED_ITEMS, BARE_TRAIT_OBJECTS}; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::{sym, Span, DUMMY_SP}; use rustc_target::spec::abi; -use rustc_trait_selection::traits; -use rustc_trait_selection::traits::astconv_object_safety_violations; use rustc_trait_selection::traits::error_reporting::{ report_object_safety_error, suggestions::NextTypeParamName, }; use rustc_trait_selection::traits::wf::object_region_bounds; +use rustc_trait_selection::traits::{self, astconv_object_safety_violations, ObligationCtxt}; use smallvec::{smallvec, SmallVec}; use std::collections::BTreeSet; @@ -252,6 +254,10 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // (*) -- not late-bound, won't change } + Some(rbv::ResolvedArg::Error(_)) => { + bug!("only ty/ct should resolve as ResolvedArg::Error") + } + None => { self.re_infer(def, lifetime.ident.span).unwrap_or_else(|| { debug!(?lifetime, "unelided lifetime in signature"); @@ -423,7 +429,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } if let (hir::TyKind::Infer, false) = (&ty.kind, self.astconv.allow_ty_infer()) { self.inferred_params.push(ty.span); - tcx.ty_error().into() + tcx.ty_error_misc().into() } else { self.astconv.ast_ty_to_ty(ty).into() } @@ -496,14 +502,14 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { _ => false, }) { // Avoid ICE #86756 when type error recovery goes awry. - return tcx.ty_error().into(); + return tcx.ty_error_misc().into(); } tcx.at(self.span).type_of(param.def_id).subst(tcx, substs).into() } else if infer_args { self.astconv.ty_infer(Some(param), self.span).into() } else { // We've already errored above about the mismatch. - tcx.ty_error().into() + tcx.ty_error_misc().into() } } GenericParamDefKind::Const { has_default } => { @@ -512,8 +518,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .type_of(param.def_id) .no_bound_vars() .expect("const parameter types cannot be generic"); - if ty.references_error() { - return tcx.const_error(ty).into(); + if let Err(guar) = ty.error_reported() { + return tcx.const_error_with_guaranteed(ty, guar).into(); } if !infer_args && has_default { tcx.const_param_default(param.def_id).subst(tcx, substs.unwrap()).into() @@ -1211,7 +1217,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { | (hir::def::DefKind::AssocConst, ty::TermKind::Const(_)) => (), (_, _) => { let got = if let Some(_) = term.ty() { "type" } else { "constant" }; - let expected = def_kind.descr(assoc_item_def_id); + let expected = tcx.def_descr(assoc_item_def_id); let mut err = tcx.sess.struct_span_err( binding.span, &format!("expected {expected} bound, found {got}"), @@ -1233,9 +1239,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } let reported = err.emit(); term = match def_kind { - hir::def::DefKind::AssocTy => { - tcx.ty_error_with_guaranteed(reported).into() - } + hir::def::DefKind::AssocTy => tcx.ty_error(reported).into(), hir::def::DefKind::AssocConst => tcx .const_error_with_guaranteed( tcx.type_of(assoc_item_def_id) @@ -1391,7 +1395,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .map(|trait_ref| tcx.def_span(trait_ref)); let reported = tcx.sess.emit_err(TraitObjectDeclaredWithNoTraits { span, trait_alias_span }); - return tcx.ty_error_with_guaranteed(reported); + return tcx.ty_error(reported); } // Check that there are no gross object safety violations; @@ -1408,7 +1412,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { &object_safety_violations, ) .emit(); - return tcx.ty_error_with_guaranteed(reported); + return tcx.ty_error(reported); } } @@ -1517,10 +1521,10 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { if arg == dummy_self.into() { let param = &generics.params[index]; missing_type_params.push(param.name); - return tcx.ty_error().into(); + return tcx.ty_error_misc().into(); } else if arg.walk().any(|arg| arg == dummy_self.into()) { references_self = true; - return tcx.ty_error().into(); + return tcx.ty_error_misc().into(); } arg }) @@ -1546,7 +1550,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { i.bottom().1, E0038, "the {} `{}` cannot be made into an object", - tcx.def_kind(def_id).descr(def_id), + tcx.def_descr(def_id), tcx.item_name(def_id), ); err.note( @@ -1573,7 +1577,8 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { false }); if references_self { - tcx.sess + let guar = tcx + .sess .delay_span_bug(span, "trait object projection bounds reference `Self`"); let substs: Vec<_> = b .projection_ty @@ -1581,7 +1586,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .iter() .map(|arg| { if arg.walk().any(|arg| arg == dummy_self.into()) { - return tcx.ty_error().into(); + return tcx.ty_error(guar).into(); } arg }) @@ -1608,7 +1613,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .collect::<SmallVec<[_; 8]>>(); v.sort_by(|a, b| a.skip_binder().stable_cmp(tcx, &b.skip_binder())); v.dedup(); - let existential_predicates = tcx.mk_poly_existential_predicates(v.into_iter()); + let existential_predicates = tcx.intern_poly_existential_predicates(&v); // Use explicitly-specified region bound. let region_bound = if !lifetime.is_elided() { @@ -1940,7 +1945,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { Res::Err }; - // Check if we have an enum variant. + // Check if we have an enum variant or an inherent associated type. let mut variant_resolution = None; if let Some(adt_def) = self.probe_adt(span, qself_ty) { if adt_def.is_enum() { @@ -2039,23 +2044,15 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } } - // see if we can satisfy using an inherent associated type - for &impl_ in tcx.inherent_impls(adt_def.did()) { - let Some(assoc_ty_did) = self.lookup_assoc_ty(assoc_ident, hir_ref_id, span, impl_) else { - continue; - }; - let ty::Adt(_, adt_substs) = qself_ty.kind() else { - // FIXME(inherent_associated_types) - bug!("unimplemented: non-adt self of inherent assoc ty"); - }; - let item_substs = self.create_substs_for_associated_item( - span, - assoc_ty_did, - assoc_segment, - adt_substs, - ); - let ty = tcx.type_of(assoc_ty_did).subst(tcx, item_substs); - return Ok((ty, DefKind::AssocTy, assoc_ty_did)); + if let Some((ty, did)) = self.lookup_inherent_assoc_ty( + assoc_ident, + assoc_segment, + adt_def.did(), + qself_ty, + hir_ref_id, + span, + )? { + return Ok((ty, DefKind::AssocTy, did)); } } @@ -2176,7 +2173,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { "`{}` could{} refer to the {} defined here", assoc_ident, also, - kind.descr(def_id) + tcx.def_kind_descr(kind, def_id) ); lint.span_note(tcx.def_span(def_id), ¬e_msg); }; @@ -2198,6 +2195,172 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { Ok((ty, DefKind::AssocTy, assoc_ty_did)) } + fn lookup_inherent_assoc_ty( + &self, + name: Ident, + segment: &hir::PathSegment<'_>, + adt_did: DefId, + self_ty: Ty<'tcx>, + block: hir::HirId, + span: Span, + ) -> Result<Option<(Ty<'tcx>, DefId)>, ErrorGuaranteed> { + let tcx = self.tcx(); + + let candidates: Vec<_> = tcx + .inherent_impls(adt_did) + .iter() + .filter_map(|&impl_| Some((impl_, self.lookup_assoc_ty_unchecked(name, block, impl_)?))) + .collect(); + + if candidates.is_empty() { + return Ok(None); + } + + // In contexts that have no inference context, just make a new one. + // We do need a local variable to store it, though. + let infcx_; + let infcx = match self.infcx() { + Some(infcx) => infcx, + None => { + assert!(!self_ty.needs_infer()); + infcx_ = tcx.infer_ctxt().ignoring_regions().build(); + &infcx_ + } + }; + + let param_env = tcx.param_env(block.owner.to_def_id()); + let cause = ObligationCause::misc(span, block.owner.def_id); + let mut fulfillment_errors = Vec::new(); + let mut applicable_candidates: Vec<_> = candidates + .iter() + .filter_map(|&(impl_, (assoc_item, def_scope))| { + infcx.probe(|_| { + let ocx = ObligationCtxt::new_in_snapshot(&infcx); + + let impl_ty = tcx.type_of(impl_); + let impl_substs = infcx.fresh_item_substs(impl_); + let impl_ty = impl_ty.subst(tcx, impl_substs); + let impl_ty = ocx.normalize(&cause, param_env, impl_ty); + + // Check that the Self-types can be related. + // FIXME(fmease): Should we use `eq` here? + ocx.sup(&ObligationCause::dummy(), param_env, impl_ty, self_ty).ok()?; + + // Check whether the impl imposes obligations we have to worry about. + let impl_bounds = tcx.predicates_of(impl_); + let impl_bounds = impl_bounds.instantiate(tcx, impl_substs); + + let impl_bounds = ocx.normalize(&cause, param_env, impl_bounds); + + let impl_obligations = traits::predicates_for_generics( + |_, _| cause.clone(), + param_env, + impl_bounds, + ); + + ocx.register_obligations(impl_obligations); + + let mut errors = ocx.select_where_possible(); + if !errors.is_empty() { + fulfillment_errors.append(&mut errors); + return None; + } + + // FIXME(fmease): Unsolved vars can escape this InferCtxt snapshot. + Some((assoc_item, def_scope, infcx.resolve_vars_if_possible(impl_substs))) + }) + }) + .collect(); + + if applicable_candidates.len() > 1 { + return Err(self.complain_about_ambiguous_inherent_assoc_type( + name, + applicable_candidates.into_iter().map(|(candidate, ..)| candidate).collect(), + span, + )); + } + + if let Some((assoc_item, def_scope, impl_substs)) = applicable_candidates.pop() { + self.check_assoc_ty(assoc_item, name, def_scope, block, span); + + // FIXME(inherent_associated_types): To fully *confirm* the *probed* candidate, we still + // need to relate the Self-type with fresh item substs & register region obligations for + // regionck to prove/disprove. + + let item_substs = + self.create_substs_for_associated_item(span, assoc_item, segment, impl_substs); + + // FIXME(fmease, #106722): Check if the bounds on the parameters of the + // associated type hold, if any. + let ty = tcx.type_of(assoc_item).subst(tcx, item_substs); + + return Ok(Some((ty, assoc_item))); + } + + Err(self.complain_about_inherent_assoc_type_not_found( + name, + self_ty, + candidates, + fulfillment_errors, + span, + )) + } + + fn lookup_assoc_ty( + &self, + name: Ident, + block: hir::HirId, + span: Span, + scope: DefId, + ) -> Option<DefId> { + let (item, def_scope) = self.lookup_assoc_ty_unchecked(name, block, scope)?; + self.check_assoc_ty(item, name, def_scope, block, span); + Some(item) + } + + fn lookup_assoc_ty_unchecked( + &self, + name: Ident, + block: hir::HirId, + scope: DefId, + ) -> Option<(DefId, DefId)> { + let tcx = self.tcx(); + let (ident, def_scope) = tcx.adjust_ident_and_get_scope(name, scope, block); + + // We have already adjusted the item name above, so compare with `ident.normalize_to_macros_2_0()` instead + // of calling `find_by_name_and_kind`. + let item = tcx.associated_items(scope).in_definition_order().find(|i| { + i.kind.namespace() == Namespace::TypeNS + && i.ident(tcx).normalize_to_macros_2_0() == ident + })?; + + Some((item.def_id, def_scope)) + } + + fn check_assoc_ty( + &self, + item: DefId, + name: Ident, + def_scope: DefId, + block: hir::HirId, + span: Span, + ) { + let tcx = self.tcx(); + let kind = DefKind::AssocTy; + + if !tcx.visibility(item).is_accessible_from(def_scope, tcx) { + let kind = tcx.def_kind_descr(kind, item); + let msg = format!("{kind} `{name}` is private"); + let def_span = tcx.def_span(item); + tcx.sess + .struct_span_err_with_code(span, &msg, rustc_errors::error_code!(E0624)) + .span_label(span, &format!("private {kind}")) + .span_label(def_span, &format!("{kind} defined here")) + .emit(); + } + tcx.check_stability(item, Some(block), span, None); + } + fn probe_traits_that_match_assoc_ty( &self, qself_ty: Ty<'tcx>, @@ -2251,39 +2414,6 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .collect() } - fn lookup_assoc_ty( - &self, - ident: Ident, - block: hir::HirId, - span: Span, - scope: DefId, - ) -> Option<DefId> { - let tcx = self.tcx(); - let (ident, def_scope) = tcx.adjust_ident_and_get_scope(ident, scope, block); - - // We have already adjusted the item name above, so compare with `ident.normalize_to_macros_2_0()` instead - // of calling `find_by_name_and_kind`. - let item = tcx.associated_items(scope).in_definition_order().find(|i| { - i.kind.namespace() == Namespace::TypeNS - && i.ident(tcx).normalize_to_macros_2_0() == ident - })?; - - let kind = DefKind::AssocTy; - if !item.visibility(tcx).is_accessible_from(def_scope, tcx) { - let kind = kind.descr(item.def_id); - let msg = format!("{kind} `{ident}` is private"); - let def_span = self.tcx().def_span(item.def_id); - tcx.sess - .struct_span_err_with_code(span, &msg, rustc_errors::error_code!(E0624)) - .span_label(span, &format!("private {kind}")) - .span_label(def_span, &format!("{kind} defined here")) - .emit(); - } - tcx.check_stability(item.def_id, Some(block), span, None); - - Some(item.def_id) - } - fn qpath_to_ty( &self, span: Span, @@ -2342,7 +2472,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { &[path_str], item_segment.ident.name, ); - return tcx.ty_error_with_guaranteed(reported) + return tcx.ty_error(reported) }; debug!("qpath_to_ty: self_type={:?}", self_ty); @@ -2689,6 +2819,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let index = generics.param_def_id_to_index[&def_id.to_def_id()]; tcx.mk_ty_param(index, tcx.hir().ty_param_name(def_id)) } + Some(rbv::ResolvedArg::Error(guar)) => tcx.ty_error(guar), arg => bug!("unexpected bound var resolution for {hir_id:?}: {arg:?}"), } } @@ -2800,7 +2931,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { { err.span_note(impl_.self_ty.span, "not a concrete type"); } - tcx.ty_error_with_guaranteed(err.emit()) + tcx.ty_error(err.emit()) } else { ty } @@ -2853,7 +2984,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .sess .delay_span_bug(path.span, "path with `Res::Err` but no error emitted"); self.set_tainted_by_errors(e); - self.tcx().ty_error_with_guaranteed(e) + self.tcx().ty_error(e) } _ => span_bug!(span, "unexpected resolution: {:?}", path.res), } @@ -2893,22 +3024,14 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { hir::TyKind::BareFn(bf) => { require_c_abi_if_c_variadic(tcx, bf.decl, bf.abi, ast_ty.span); - let fn_ptr_ty = tcx.mk_fn_ptr(self.ty_of_fn( + tcx.mk_fn_ptr(self.ty_of_fn( ast_ty.hir_id, bf.unsafety, bf.abi, bf.decl, None, Some(ast_ty), - )); - - if let Some(guar) = - deny_non_region_late_bound(tcx, bf.generic_params, "function pointer") - { - tcx.ty_error_with_guaranteed(guar) - } else { - fn_ptr_ty - } + )) } hir::TyKind::TraitObject(bounds, lifetime, repr) => { self.maybe_lint_bare_trait(ast_ty, in_path); @@ -2917,21 +3040,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { TraitObjectSyntax::DynStar => ty::DynStar, }; - let object_ty = self.conv_object_ty_poly_trait_ref( - ast_ty.span, - bounds, - lifetime, - borrowed, - repr, - ); - - if let Some(guar) = bounds.iter().find_map(|trait_ref| { - deny_non_region_late_bound(tcx, trait_ref.bound_generic_params, "trait object") - }) { - tcx.ty_error_with_guaranteed(guar) - } else { - object_ty - } + self.conv_object_ty_poly_trait_ref(ast_ty.span, bounds, lifetime, borrowed, repr) } hir::TyKind::Path(hir::QPath::Resolved(maybe_qself, path)) => { debug!(?maybe_qself, ?path); @@ -2954,7 +3063,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { let ty = self.ast_ty_to_ty_inner(qself, false, true); self.associated_path_to_ty(ast_ty.hir_id, ast_ty.span, ty, qself, segment, false) .map(|(ty, _, _)| ty) - .unwrap_or_else(|_| tcx.ty_error()) + .unwrap_or_else(|guar| tcx.ty_error(guar)) } &hir::TyKind::Path(hir::QPath::LangItem(lang_item, span, _)) => { let def_id = tcx.require_lang_item(lang_item, Some(span)); @@ -3002,7 +3111,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { // handled specially and will not descend into this routine. self.ty_infer(None, ast_ty.span) } - hir::TyKind::Err => tcx.ty_error(), + hir::TyKind::Err => tcx.ty_error_misc(), }; self.record_ty(ast_ty.hir_id, result_ty, ast_ty.span); @@ -3109,7 +3218,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { debug!(?output_ty); - let fn_ty = tcx.mk_fn_sig(input_tys.into_iter(), output_ty, decl.c_variadic, unsafety, abi); + let fn_ty = tcx.mk_fn_sig(input_tys, output_ty, decl.c_variadic, unsafety, abi); let bare_fn_ty = ty::Binder::bind_with_vars(fn_ty, bound_vars); if !self.allow_ty_infer() && !(visitor.0.is_empty() && infer_replacements.is_empty()) { @@ -3393,23 +3502,35 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { } } -fn deny_non_region_late_bound( - tcx: TyCtxt<'_>, - params: &[hir::GenericParam<'_>], - where_: &str, -) -> Option<ErrorGuaranteed> { - params.iter().find_map(|bad_param| { - let what = match bad_param.kind { - hir::GenericParamKind::Type { .. } => "type", - hir::GenericParamKind::Const { .. } => "const", - hir::GenericParamKind::Lifetime { .. } => return None, - }; - - let mut diag = tcx.sess.struct_span_err( - bad_param.span, - format!("late-bound {what} parameter not allowed on {where_} types"), - ); +pub trait InferCtxtExt<'tcx> { + fn fresh_item_substs(&self, def_id: DefId) -> SubstsRef<'tcx>; +} - Some(if tcx.features().non_lifetime_binders { diag.emit() } else { diag.delay_as_bug() }) - }) +impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { + fn fresh_item_substs(&self, def_id: DefId) -> SubstsRef<'tcx> { + InternalSubsts::for_item(self.tcx, def_id, |param, _| match param.kind { + GenericParamDefKind::Lifetime => self.tcx.lifetimes.re_erased.into(), + GenericParamDefKind::Type { .. } => self + .next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::SubstitutionPlaceholder, + span: self.tcx.def_span(def_id), + }) + .into(), + GenericParamDefKind::Const { .. } => { + let span = self.tcx.def_span(def_id); + let origin = ConstVariableOrigin { + kind: ConstVariableOriginKind::SubstitutionPlaceholder, + span, + }; + self.next_const_var( + self.tcx + .type_of(param.def_id) + .no_bound_vars() + .expect("const parameter types cannot be generic"), + origin, + ) + .into() + } + }) + } } diff --git a/compiler/rustc_hir_analysis/src/autoderef.rs b/compiler/rustc_hir_analysis/src/autoderef.rs index a5c96a8b016..ba2d4319af6 100644 --- a/compiler/rustc_hir_analysis/src/autoderef.rs +++ b/compiler/rustc_hir_analysis/src/autoderef.rs @@ -3,7 +3,7 @@ use crate::traits::query::evaluate_obligation::InferCtxtExt; use crate::traits::NormalizeExt; use crate::traits::{self, TraitEngine, TraitEngineExt}; use rustc_infer::infer::InferCtxt; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_session::Limit; use rustc_span::def_id::LocalDefId; diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 5f1add2679c..4ea471f8f05 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -23,6 +23,7 @@ use rustc_middle::ty::subst::GenericArgKind; use rustc_middle::ty::util::{Discr, IntTypeExt}; use rustc_middle::ty::{ self, AdtDef, DefIdTree, ParamEnv, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, + TypeVisitableExt, }; use rustc_session::lint::builtin::{UNINHABITED_STATIC, UNSUPPORTED_CALLING_CONVENTIONS}; use rustc_span::symbol::sym; @@ -255,7 +256,7 @@ pub(super) fn check_opaque_for_inheriting_lifetimes( selftys: Vec<(Span, Option<String>)>, } - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for ProhibitOpaqueVisitor<'tcx> { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for ProhibitOpaqueVisitor<'tcx> { type BreakTy = Ty<'tcx>; fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { @@ -537,7 +538,7 @@ fn check_item_type(tcx: TyCtxt<'_>, id: hir::ItemId) { let assoc_items = tcx.associated_items(id.owner_id); check_on_unimplemented(tcx, id); - for assoc_item in assoc_items.in_definition_order() { + for &assoc_item in assoc_items.in_definition_order() { match assoc_item.kind { ty::AssocKind::Fn => { let abi = tcx.fn_sig(assoc_item.def_id).skip_binder().abi(); @@ -670,7 +671,7 @@ pub(super) fn check_on_unimplemented(tcx: TyCtxt<'_>, item: hir::ItemId) { pub(super) fn check_specialization_validity<'tcx>( tcx: TyCtxt<'tcx>, trait_def: &ty::TraitDef, - trait_item: &ty::AssocItem, + trait_item: ty::AssocItem, impl_id: DefId, impl_item: DefId, ) { @@ -767,17 +768,17 @@ fn check_impl_items_against_trait<'tcx>( )); } ty::AssocKind::Fn => { - compare_impl_method(tcx, &ty_impl_item, &ty_trait_item, impl_trait_ref); + compare_impl_method(tcx, ty_impl_item, ty_trait_item, impl_trait_ref); } ty::AssocKind::Type => { - compare_impl_ty(tcx, &ty_impl_item, &ty_trait_item, impl_trait_ref); + compare_impl_ty(tcx, ty_impl_item, ty_trait_item, impl_trait_ref); } } check_specialization_validity( tcx, trait_def, - &ty_trait_item, + ty_trait_item, impl_id.to_def_id(), impl_item, ); @@ -1418,7 +1419,7 @@ fn opaque_type_cycle_error( opaques: Vec<DefId>, closures: Vec<DefId>, } - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeCollector { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeCollector { fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { match *t.kind() { ty::Alias(ty::Opaque, ty::AliasTy { def_id: def, .. }) => { @@ -1460,7 +1461,7 @@ fn opaque_type_cycle_error( span, format!( "{} captures itself here", - tcx.def_kind(closure_def_id).descr(closure_def_id) + tcx.def_descr(closure_def_id) ), ); } diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index 4fd06c23e10..bdc9ff5cada 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -16,7 +16,8 @@ use rustc_infer::traits::util; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::util::ExplicitSelf; use rustc_middle::ty::{ - self, ir::TypeFolder, DefIdTree, InternalSubsts, Ty, TypeFoldable, TypeSuperFoldable, + self, DefIdTree, InternalSubsts, Ty, TypeFoldable, TypeFolder, TypeSuperFoldable, + TypeVisitableExt, }; use rustc_middle::ty::{GenericParamDefKind, ToPredicate, TyCtxt}; use rustc_span::Span; @@ -37,8 +38,8 @@ use std::iter; /// - `impl_trait_ref`: the TraitRef corresponding to the trait implementation pub(super) fn compare_impl_method<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, impl_trait_ref: ty::TraitRef<'tcx>, ) { debug!("compare_impl_method(impl_trait_ref={:?})", impl_trait_ref); @@ -129,8 +130,8 @@ pub(super) fn compare_impl_method<'tcx>( #[instrument(level = "debug", skip(tcx, impl_trait_ref))] fn compare_method_predicate_entailment<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, impl_trait_ref: ty::TraitRef<'tcx>, check_implied_wf: CheckImpliedWfMode, ) -> Result<(), ErrorGuaranteed> { @@ -381,8 +382,8 @@ fn compare_method_predicate_entailment<'tcx>( fn extract_bad_args_for_implies_lint<'tcx>( tcx: TyCtxt<'tcx>, errors: &[infer::RegionResolutionError<'tcx>], - (trait_m, trait_sig): (&ty::AssocItem, ty::FnSig<'tcx>), - (impl_m, impl_sig): (&ty::AssocItem, ty::FnSig<'tcx>), + (trait_m, trait_sig): (ty::AssocItem, ty::FnSig<'tcx>), + (impl_m, impl_sig): (ty::AssocItem, ty::FnSig<'tcx>), hir_id: hir::HirId, ) -> Vec<(Span, Option<String>)> { let mut blame_generics = vec![]; @@ -476,7 +477,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for RemapLateBound<'_, 'tcx> { fn emit_implied_wf_lint<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, + impl_m: ty::AssocItem, hir_id: hir::HirId, bad_args: Vec<(Span, Option<String>)>, ) { @@ -523,8 +524,8 @@ enum CheckImpliedWfMode { fn compare_asyncness<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, ) -> Result<(), ErrorGuaranteed> { if tcx.asyncness(trait_m.def_id) == hir::IsAsync::Async { match tcx.fn_sig(impl_m.def_id).skip_binder().skip_binder().output().kind() { @@ -789,7 +790,7 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( return_span, format!("could not fully resolve: {ty} => {err:?}"), ); - collected_tys.insert(def_id, tcx.ty_error_with_guaranteed(reported)); + collected_tys.insert(def_id, tcx.ty_error(reported)); } } } @@ -869,8 +870,8 @@ fn report_trait_method_mismatch<'tcx>( infcx: &InferCtxt<'tcx>, mut cause: ObligationCause<'tcx>, terr: TypeError<'tcx>, - (trait_m, trait_sig): (&ty::AssocItem, ty::FnSig<'tcx>), - (impl_m, impl_sig): (&ty::AssocItem, ty::FnSig<'tcx>), + (trait_m, trait_sig): (ty::AssocItem, ty::FnSig<'tcx>), + (impl_m, impl_sig): (ty::AssocItem, ty::FnSig<'tcx>), impl_trait_ref: ty::TraitRef<'tcx>, ) -> ErrorGuaranteed { let tcx = infcx.tcx; @@ -963,8 +964,8 @@ fn report_trait_method_mismatch<'tcx>( fn check_region_bounds_on_impl_item<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, delay: bool, ) -> Result<(), ErrorGuaranteed> { let impl_generics = tcx.generics_of(impl_m.def_id); @@ -1038,7 +1039,7 @@ fn check_region_bounds_on_impl_item<'tcx>( .sess .create_err(LifetimesOrBoundsMismatchOnTrait { span, - item_kind: assoc_item_kind_str(impl_m), + item_kind: assoc_item_kind_str(&impl_m), ident: impl_m.ident(tcx), generics_span, bounds_span, @@ -1056,8 +1057,8 @@ fn extract_spans_for_error_reporting<'tcx>( infcx: &infer::InferCtxt<'tcx>, terr: TypeError<'_>, cause: &ObligationCause<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, ) -> (Span, Option<Span>) { let tcx = infcx.tcx; let mut impl_args = { @@ -1080,8 +1081,8 @@ fn extract_spans_for_error_reporting<'tcx>( fn compare_self_type<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, impl_trait_ref: ty::TraitRef<'tcx>, ) -> Result<(), ErrorGuaranteed> { // Try to give more informative error messages about self typing @@ -1092,7 +1093,7 @@ fn compare_self_type<'tcx>( // inscrutable, particularly for cases where one method has no // self. - let self_string = |method: &ty::AssocItem| { + let self_string = |method: ty::AssocItem| { let untransformed_self_ty = match method.container { ty::ImplContainer => impl_trait_ref.self_ty(), ty::TraitContainer => tcx.types.self_param, @@ -1182,8 +1183,8 @@ fn compare_self_type<'tcx>( /// [`compare_generic_param_kinds`]. This function also does not handle lifetime parameters fn compare_number_of_generics<'tcx>( tcx: TyCtxt<'tcx>, - impl_: &ty::AssocItem, - trait_: &ty::AssocItem, + impl_: ty::AssocItem, + trait_: ty::AssocItem, delay: bool, ) -> Result<(), ErrorGuaranteed> { let trait_own_counts = tcx.generics_of(trait_.def_id).own_counts(); @@ -1203,7 +1204,7 @@ fn compare_number_of_generics<'tcx>( ("const", trait_own_counts.consts, impl_own_counts.consts), ]; - let item_kind = assoc_item_kind_str(impl_); + let item_kind = assoc_item_kind_str(&impl_); let mut err_occurred = None; for (kind, trait_count, impl_count) in matchings { @@ -1325,8 +1326,8 @@ fn compare_number_of_generics<'tcx>( fn compare_number_of_method_arguments<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, ) -> Result<(), ErrorGuaranteed> { let impl_m_fty = tcx.fn_sig(impl_m.def_id); let trait_m_fty = tcx.fn_sig(trait_m.def_id); @@ -1405,8 +1406,8 @@ fn compare_number_of_method_arguments<'tcx>( fn compare_synthetic_generics<'tcx>( tcx: TyCtxt<'tcx>, - impl_m: &ty::AssocItem, - trait_m: &ty::AssocItem, + impl_m: ty::AssocItem, + trait_m: ty::AssocItem, ) -> Result<(), ErrorGuaranteed> { // FIXME(chrisvittal) Clean up this function, list of FIXME items: // 1. Better messages for the span labels @@ -1559,8 +1560,8 @@ fn compare_synthetic_generics<'tcx>( /// This function does not handle lifetime parameters fn compare_generic_param_kinds<'tcx>( tcx: TyCtxt<'tcx>, - impl_item: &ty::AssocItem, - trait_item: &ty::AssocItem, + impl_item: ty::AssocItem, + trait_item: ty::AssocItem, delay: bool, ) -> Result<(), ErrorGuaranteed> { assert_eq!(impl_item.kind, trait_item.kind); @@ -1736,8 +1737,8 @@ pub(super) fn compare_impl_const_raw( pub(super) fn compare_impl_ty<'tcx>( tcx: TyCtxt<'tcx>, - impl_ty: &ty::AssocItem, - trait_ty: &ty::AssocItem, + impl_ty: ty::AssocItem, + trait_ty: ty::AssocItem, impl_trait_ref: ty::TraitRef<'tcx>, ) { debug!("compare_impl_type(impl_trait_ref={:?})", impl_trait_ref); @@ -1754,8 +1755,8 @@ pub(super) fn compare_impl_ty<'tcx>( /// instead of associated functions. fn compare_type_predicate_entailment<'tcx>( tcx: TyCtxt<'tcx>, - impl_ty: &ty::AssocItem, - trait_ty: &ty::AssocItem, + impl_ty: ty::AssocItem, + trait_ty: ty::AssocItem, impl_trait_ref: ty::TraitRef<'tcx>, ) -> Result<(), ErrorGuaranteed> { let impl_substs = InternalSubsts::identity_for_item(tcx, impl_ty.def_id); @@ -1855,8 +1856,8 @@ fn compare_type_predicate_entailment<'tcx>( #[instrument(level = "debug", skip(tcx))] pub(super) fn check_type_bounds<'tcx>( tcx: TyCtxt<'tcx>, - trait_ty: &ty::AssocItem, - impl_ty: &ty::AssocItem, + trait_ty: ty::AssocItem, + impl_ty: ty::AssocItem, impl_trait_ref: ty::TraitRef<'tcx>, ) -> Result<(), ErrorGuaranteed> { // Given @@ -1936,7 +1937,7 @@ pub(super) fn check_type_bounds<'tcx>( .into() } }); - let bound_vars = tcx.mk_bound_variable_kinds(bound_vars.into_iter()); + let bound_vars = tcx.intern_bound_variable_kinds(&bound_vars); let impl_ty_substs = tcx.intern_substs(&substs); let container_id = impl_ty.container_id(tcx); diff --git a/compiler/rustc_hir_analysis/src/check/dropck.rs b/compiler/rustc_hir_analysis/src/check/dropck.rs index c84e3461226..2bb724138f5 100644 --- a/compiler/rustc_hir_analysis/src/check/dropck.rs +++ b/compiler/rustc_hir_analysis/src/check/dropck.rs @@ -71,7 +71,7 @@ fn ensure_drop_params_and_item_params_correspond<'tcx>( let drop_impl_span = tcx.def_span(drop_impl_did); let item_span = tcx.def_span(self_type_did); - let self_descr = tcx.def_kind(self_type_did).descr(self_type_did); + let self_descr = tcx.def_descr(self_type_did); let mut err = struct_span_err!(tcx.sess, drop_impl_span, E0366, "`Drop` impls cannot be specialized"); match arg { @@ -217,7 +217,7 @@ fn ensure_drop_predicates_are_implied_by_item_defn<'tcx>( if !assumptions_in_impl_context.iter().copied().any(predicate_matches_closure) { let item_span = tcx.def_span(self_type_did); - let self_descr = tcx.def_kind(self_type_did).descr(self_type_did.to_def_id()); + let self_descr = tcx.def_descr(self_type_did.to_def_id()); let reported = struct_span_err!( tcx.sess, predicate_sp, diff --git a/compiler/rustc_hir_analysis/src/check/intrinsic.rs b/compiler/rustc_hir_analysis/src/check/intrinsic.rs index 82562ac75e1..4720fea8ef4 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsic.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsic.rs @@ -15,8 +15,6 @@ use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::{kw, sym, Symbol}; use rustc_target::spec::abi::Abi; -use std::iter; - fn equate_intrinsic_type<'tcx>( tcx: TyCtxt<'tcx>, it: &hir::ForeignItem<'_>, @@ -139,14 +137,10 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { let intrinsic_name = tcx.item_name(intrinsic_id); let name_str = intrinsic_name.as_str(); - let bound_vars = tcx.mk_bound_variable_kinds( - [ - ty::BoundVariableKind::Region(ty::BrAnon(0, None)), - ty::BoundVariableKind::Region(ty::BrEnv), - ] - .iter() - .copied(), - ); + let bound_vars = tcx.intern_bound_variable_kinds(&[ + ty::BoundVariableKind::Region(ty::BrAnon(0, None)), + ty::BoundVariableKind::Region(ty::BrEnv), + ]); let mk_va_list_ty = |mutbl| { tcx.lang_items().va_list().map(|did| { let region = tcx.mk_re_late_bound( @@ -378,21 +372,21 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { ( 1, vec![tcx.mk_imm_ref(tcx.mk_re_late_bound(ty::INNERMOST, br), param(0))], - tcx.mk_projection(discriminant_def_id, tcx.mk_substs([param(0).into()].iter())), + tcx.mk_projection(discriminant_def_id, tcx.intern_substs(&[param(0).into()])), ) } kw::Try => { let mut_u8 = tcx.mk_mut_ptr(tcx.types.u8); let try_fn_ty = ty::Binder::dummy(tcx.mk_fn_sig( - iter::once(mut_u8), + [mut_u8], tcx.mk_unit(), false, hir::Unsafety::Normal, Abi::Rust, )); let catch_fn_ty = ty::Binder::dummy(tcx.mk_fn_sig( - [mut_u8, mut_u8].iter().cloned(), + [mut_u8, mut_u8], tcx.mk_unit(), false, hir::Unsafety::Normal, @@ -447,7 +441,7 @@ pub fn check_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) { }; (n_tps, 0, inputs, output, unsafety) }; - let sig = tcx.mk_fn_sig(inputs.into_iter(), output, false, unsafety, Abi::RustIntrinsic); + let sig = tcx.mk_fn_sig(inputs, output, false, unsafety, Abi::RustIntrinsic); let sig = ty::Binder::bind_with_vars(sig, bound_vars); equate_intrinsic_type(tcx, it, n_tps, n_lts, sig) } @@ -545,13 +539,7 @@ pub fn check_platform_intrinsic_type(tcx: TyCtxt<'_>, it: &hir::ForeignItem<'_>) } }; - let sig = tcx.mk_fn_sig( - inputs.into_iter(), - output, - false, - hir::Unsafety::Unsafe, - Abi::PlatformIntrinsic, - ); + let sig = tcx.mk_fn_sig(inputs, output, false, hir::Unsafety::Unsafe, Abi::PlatformIntrinsic); let sig = ty::Binder::dummy(sig); equate_intrinsic_type(tcx, it, n_tps, 0, sig) } diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs index b3e76010da3..b1d5a27be93 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs @@ -1,7 +1,7 @@ use rustc_ast::InlineAsmTemplatePiece; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; -use rustc_middle::ty::{self, Article, FloatTy, IntTy, Ty, TyCtxt, TypeVisitable, UintTy}; +use rustc_middle::ty::{self, Article, FloatTy, IntTy, Ty, TyCtxt, TypeVisitableExt, UintTy}; use rustc_session::lint; use rustc_span::def_id::LocalDefId; use rustc_span::{Symbol, DUMMY_SP}; diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index 4d2d1ca9b3e..9acfc1b3d29 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -199,7 +199,7 @@ fn report_forbidden_specialization(tcx: TyCtxt<'_>, impl_item: DefId, parent_imp fn missing_items_err( tcx: TyCtxt<'_>, impl_span: Span, - missing_items: &[&ty::AssocItem], + missing_items: &[ty::AssocItem], full_impl_span: Span, ) { let missing_items_msg = missing_items @@ -225,7 +225,7 @@ fn missing_items_err( let padding = tcx.sess.source_map().indentation_before(sugg_sp).unwrap_or_else(|| String::new()); - for trait_item in missing_items { + for &trait_item in missing_items { let snippet = suggestion_signature(trait_item, tcx); let code = format!("{}{}\n{}", padding, snippet, padding); let msg = format!("implement the missing item: `{snippet}`"); @@ -272,7 +272,7 @@ fn default_body_is_unstable( reason: Option<Symbol>, issue: Option<NonZeroU32>, ) { - let missing_item_name = &tcx.associated_item(item_did).name; + let missing_item_name = tcx.associated_item(item_did).name; let use_of_unstable_library_feature_note = match reason { Some(r) => format!("use of unstable library feature '{feature}': {r}"), None => format!("use of unstable library feature '{feature}'"), @@ -365,7 +365,7 @@ fn fn_sig_suggestion<'tcx>( sig: ty::FnSig<'tcx>, ident: Ident, predicates: ty::GenericPredicates<'tcx>, - assoc: &ty::AssocItem, + assoc: ty::AssocItem, ) -> String { let args = sig .inputs() @@ -433,7 +433,7 @@ pub fn ty_kind_suggestion(ty: Ty<'_>) -> Option<&'static str> { /// Return placeholder code for the given associated item. /// Similar to `ty::AssocItem::suggestion`, but appropriate for use as the code snippet of a /// structured suggestion. -fn suggestion_signature(assoc: &ty::AssocItem, tcx: TyCtxt<'_>) -> String { +fn suggestion_signature(assoc: ty::AssocItem, tcx: TyCtxt<'_>) -> String { match assoc.kind { ty::AssocKind::Fn => { // We skip the binder here because the binder would deanonymize all diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index ab47d393a06..25be62534a5 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -16,8 +16,8 @@ use rustc_middle::mir::ConstraintCategory; use rustc_middle::ty::query::Providers; use rustc_middle::ty::trait_def::TraitSpecializationKind; use rustc_middle::ty::{ - self, ir::TypeVisitor, AdtKind, DefIdTree, GenericParamDefKind, Ty, TyCtxt, TypeFoldable, - TypeSuperVisitable, + self, AdtKind, GenericParamDefKind, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, + TypeVisitable, TypeVisitableExt, TypeVisitor, }; use rustc_middle::ty::{GenericArgKind, InternalSubsts}; use rustc_session::parse::feature_err; @@ -56,7 +56,7 @@ impl<'tcx> WfCheckingCtxt<'_, 'tcx> { // `ObligationCtxt::normalize`, but provides a nice `ObligationCauseCode`. fn normalize<T>(&self, span: Span, loc: Option<WellFormedLoc>, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.ocx.normalize( &ObligationCause::new(span, self.body_def_id, ObligationCauseCode::WellFormed(loc)), @@ -277,56 +277,6 @@ fn check_trait_item(tcx: TyCtxt<'_>, trait_item: &hir::TraitItem<'_>) { }; check_object_unsafe_self_trait_by_name(tcx, trait_item); check_associated_item(tcx, def_id, span, method_sig); - - let encl_trait_def_id = tcx.local_parent(def_id); - let encl_trait = tcx.hir().expect_item(encl_trait_def_id); - let encl_trait_def_id = encl_trait.owner_id.to_def_id(); - let fn_lang_item_name = if Some(encl_trait_def_id) == tcx.lang_items().fn_trait() { - Some("fn") - } else if Some(encl_trait_def_id) == tcx.lang_items().fn_mut_trait() { - Some("fn_mut") - } else { - None - }; - - if let (Some(fn_lang_item_name), "call") = - (fn_lang_item_name, trait_item.ident.name.to_ident_string().as_str()) - { - // We are looking at the `call` function of the `fn` or `fn_mut` lang item. - // Do some rudimentary sanity checking to avoid an ICE later (issue #83471). - if let Some(hir::FnSig { decl, span, .. }) = method_sig { - if let [self_ty, _] = decl.inputs { - if !matches!(self_ty.kind, hir::TyKind::Ref(_, _)) { - tcx.sess - .struct_span_err( - self_ty.span, - &format!( - "first argument of `call` in `{fn_lang_item_name}` lang item must be a reference", - ), - ) - .emit(); - } - } else { - tcx.sess - .struct_span_err( - *span, - &format!( - "`call` function in `{fn_lang_item_name}` lang item takes exactly two arguments", - ), - ) - .emit(); - } - } else { - tcx.sess - .struct_span_err( - trait_item.span, - &format!( - "`call` trait item in `{fn_lang_item_name}` lang item must be a function", - ), - ) - .emit(); - } - } } /// Require that the user writes where clauses on GATs for the implicit @@ -560,7 +510,7 @@ fn augment_param_env<'tcx>( /// fn into_iter<'a>(&'a self) -> Self::Iter<'a>; /// } /// ``` -fn gather_gat_bounds<'tcx, T: TypeFoldable<'tcx>>( +fn gather_gat_bounds<'tcx, T: TypeFoldable<TyCtxt<'tcx>>>( tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, item_def_id: hir::OwnerId, @@ -758,7 +708,7 @@ struct GATSubstCollector<'tcx> { } impl<'tcx> GATSubstCollector<'tcx> { - fn visit<T: TypeFoldable<'tcx>>( + fn visit<T: TypeFoldable<TyCtxt<'tcx>>>( gat: DefId, t: T, ) -> (FxHashSet<(ty::Region<'tcx>, usize)>, FxHashSet<(Ty<'tcx>, usize)>) { @@ -1180,7 +1130,7 @@ fn check_trait(tcx: TyCtxt<'_>, item: &hir::Item<'_>) { /// /// Assuming the defaults are used, check that all predicates (bounds on the /// assoc type and where clauses on the trait) hold. -fn check_associated_type_bounds(wfcx: &WfCheckingCtxt<'_, '_>, item: &ty::AssocItem, span: Span) { +fn check_associated_type_bounds(wfcx: &WfCheckingCtxt<'_, '_>, item: ty::AssocItem, span: Span) { let bounds = wfcx.tcx().explicit_item_bounds(item.def_id); debug!("check_associated_type_bounds: bounds={:?}", bounds); @@ -1432,7 +1382,7 @@ fn check_where_clauses<'tcx>(wfcx: &WfCheckingCtxt<'_, 'tcx>, span: Span, def_id struct CountParams { params: FxHashSet<u32>, } - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for CountParams { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for CountParams { type BreakTy = (); fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { @@ -1599,7 +1549,7 @@ fn check_return_position_impl_trait_in_trait_bounds<'tcx>( { for arg in fn_output.walk() { if let ty::GenericArgKind::Type(ty) = arg.unpack() - && let ty::Alias(ty::Projection, proj) = ty.kind() + && let ty::Alias(ty::Opaque, proj) = ty.kind() && tcx.def_kind(proj.def_id) == DefKind::ImplTraitPlaceholder && tcx.impl_trait_in_trait_parent(proj.def_id) == fn_def_id.to_def_id() { @@ -1630,7 +1580,7 @@ const HELP_FOR_SELF_TYPE: &str = "consider changing to `self`, `&self`, `&mut se fn check_method_receiver<'tcx>( wfcx: &WfCheckingCtxt<'_, 'tcx>, fn_sig: &hir::FnSig<'_>, - method: &ty::AssocItem, + method: ty::AssocItem, self_ty: Ty<'tcx>, ) { let tcx = wfcx.tcx(); diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 51c5f297051..875c5f1fd00 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -11,7 +11,7 @@ use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::infer::{self, RegionResolutionError}; use rustc_middle::ty::adjustment::CoerceUnsizedInfo; -use rustc_middle::ty::{self, suggest_constraining_type_params, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, suggest_constraining_type_params, Ty, TyCtxt, TypeVisitableExt}; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::misc::{ type_allowed_to_implement_copy, CopyImplementationError, InfringingFieldsReason, diff --git a/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs b/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs index a9331af4eab..7bca4edcc8c 100644 --- a/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs +++ b/compiler/rustc_hir_analysis/src/coherence/inherent_impls_overlap.rs @@ -27,8 +27,8 @@ impl<'tcx> InherentOverlapChecker<'tcx> { /// namespace. fn impls_have_common_items( &self, - impl_items1: &ty::AssocItems<'_>, - impl_items2: &ty::AssocItems<'_>, + impl_items1: &ty::AssocItems, + impl_items2: &ty::AssocItems, ) -> bool { let mut impl_items1 = &impl_items1; let mut impl_items2 = &impl_items2; @@ -38,10 +38,10 @@ impl<'tcx> InherentOverlapChecker<'tcx> { std::mem::swap(&mut impl_items1, &mut impl_items2); } - for item1 in impl_items1.in_definition_order() { + for &item1 in impl_items1.in_definition_order() { let collision = impl_items2 .filter_by_name_unhygienic(item1.name) - .any(|item2| self.compare_hygienically(item1, item2)); + .any(|&item2| self.compare_hygienically(item1, item2)); if collision { return true; @@ -51,7 +51,7 @@ impl<'tcx> InherentOverlapChecker<'tcx> { false } - fn compare_hygienically(&self, item1: &ty::AssocItem, item2: &ty::AssocItem) -> bool { + fn compare_hygienically(&self, item1: ty::AssocItem, item2: ty::AssocItem) -> bool { // Symbols and namespace match, compare hygienically. item1.kind.namespace() == item2.kind.namespace() && item1.ident(self.tcx).normalize_to_macros_2_0() @@ -98,10 +98,10 @@ impl<'tcx> InherentOverlapChecker<'tcx> { let impl_items1 = self.tcx.associated_items(impl1); let impl_items2 = self.tcx.associated_items(impl2); - for item1 in impl_items1.in_definition_order() { + for &item1 in impl_items1.in_definition_order() { let collision = impl_items2 .filter_by_name_unhygienic(item1.name) - .find(|item2| self.compare_hygienically(item1, item2)); + .find(|&&item2| self.compare_hygienically(item1, item2)); if let Some(item2) = collision { let name = item1.ident(self.tcx).normalize_to_macros_2_0(); diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index bbde59c953a..23490bc091c 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -8,7 +8,7 @@ use rustc_errors::{error_code, struct_span_err}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_span::sym; use rustc_trait_selection::traits; diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index f0a0e7e3e92..1f2de3f21f8 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -8,7 +8,8 @@ use rustc_hir as hir; use rustc_middle::ty::subst::InternalSubsts; use rustc_middle::ty::util::IgnoreRegions; use rustc_middle::ty::{ - self, ir::TypeVisitor, AliasKind, ImplPolarity, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, + self, AliasKind, ImplPolarity, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, + TypeVisitor, }; use rustc_session::lint; use rustc_span::def_id::{DefId, LocalDefId}; @@ -531,7 +532,7 @@ fn lint_auto_trait_impl<'tcx>( }), |lint| { let item_span = tcx.def_span(self_type_did); - let self_descr = tcx.def_kind(self_type_did).descr(self_type_did); + let self_descr = tcx.def_descr(self_type_did); match arg { ty::util::NotUniqueParam::DuplicateParam(arg) => { lint.note(&format!("`{}` is mentioned multiple times", arg)); diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index ed3d50bfafa..a2900037797 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -499,7 +499,7 @@ impl<'tcx> AstConv<'tcx> for ItemCtxt<'tcx> { } _ => {} } - self.tcx().ty_error_with_guaranteed(err.emit()) + self.tcx().ty_error(err.emit()) } } diff --git a/compiler/rustc_hir_analysis/src/collect/generics_of.rs b/compiler/rustc_hir_analysis/src/collect/generics_of.rs index 7bcaeadbcf6..127d4fa908b 100644 --- a/compiler/rustc_hir_analysis/src/collect/generics_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/generics_of.rs @@ -398,7 +398,12 @@ fn has_late_bound_regions<'tcx>(tcx: TyCtxt<'tcx>, node: Node<'tcx>) -> Option<S Some(rbv::ResolvedArg::StaticLifetime | rbv::ResolvedArg::EarlyBound(..)) => {} Some(rbv::ResolvedArg::LateBound(debruijn, _, _)) if debruijn < self.outer_index => {} - Some(rbv::ResolvedArg::LateBound(..) | rbv::ResolvedArg::Free(..)) | None => { + Some( + rbv::ResolvedArg::LateBound(..) + | rbv::ResolvedArg::Free(..) + | rbv::ResolvedArg::Error(_), + ) + | None => { self.has_late_bound_regions = Some(lt.ident.span); } } diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index 8a110bfc2f7..6c00b8ff7bd 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -17,7 +17,8 @@ use rustc_hir::{GenericArg, GenericParam, GenericParamKind, HirIdMap, LifetimeNa use rustc_middle::bug; use rustc_middle::hir::nested_filter; use rustc_middle::middle::resolve_bound_vars::*; -use rustc_middle::ty::{self, ir::TypeVisitor, DefIdTree, TyCtxt, TypeSuperVisitable}; +use rustc_middle::ty::{self, DefIdTree, TyCtxt, TypeSuperVisitable, TypeVisitor}; +use rustc_session::lint; use rustc_span::def_id::DefId; use rustc_span::symbol::{sym, Ident}; use rustc_span::Span; @@ -50,7 +51,7 @@ impl RegionExt for ResolvedArg { fn id(&self) -> Option<DefId> { match *self { - ResolvedArg::StaticLifetime => None, + ResolvedArg::StaticLifetime | ResolvedArg::Error(_) => None, ResolvedArg::EarlyBound(id) | ResolvedArg::LateBound(_, _, id) @@ -336,7 +337,57 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { } } } + + fn visit_poly_trait_ref_inner( + &mut self, + trait_ref: &'tcx hir::PolyTraitRef<'tcx>, + non_lifetime_binder_allowed: NonLifetimeBinderAllowed, + ) { + debug!("visit_poly_trait_ref(trait_ref={:?})", trait_ref); + + let (mut binders, scope_type) = self.poly_trait_ref_binder_info(); + + let initial_bound_vars = binders.len() as u32; + let mut bound_vars: FxIndexMap<LocalDefId, ResolvedArg> = FxIndexMap::default(); + let binders_iter = + trait_ref.bound_generic_params.iter().enumerate().map(|(late_bound_idx, param)| { + let pair = ResolvedArg::late(initial_bound_vars + late_bound_idx as u32, param); + let r = late_arg_as_bound_arg(self.tcx, &pair.1, param); + bound_vars.insert(pair.0, pair.1); + r + }); + binders.extend(binders_iter); + + if let NonLifetimeBinderAllowed::Deny(where_) = non_lifetime_binder_allowed { + deny_non_region_late_bound(self.tcx, &mut bound_vars, where_); + } + + debug!(?binders); + self.record_late_bound_vars(trait_ref.trait_ref.hir_ref_id, binders); + + // Always introduce a scope here, even if this is in a where clause and + // we introduced the binders around the bounded Ty. In that case, we + // just reuse the concatenation functionality also present in nested trait + // refs. + let scope = Scope::Binder { + hir_id: trait_ref.trait_ref.hir_ref_id, + bound_vars, + s: self.scope, + scope_type, + where_bound_origin: None, + }; + self.with(scope, |this| { + walk_list!(this, visit_generic_param, trait_ref.bound_generic_params); + this.visit_trait_ref(&trait_ref.trait_ref); + }); + } } + +enum NonLifetimeBinderAllowed { + Deny(&'static str), + Allow, +} + impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { type NestedFilter = nested_filter::OnlyBodies; @@ -400,7 +451,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { } } - let (bound_vars, binders): (FxIndexMap<LocalDefId, ResolvedArg>, Vec<_>) = + let (mut bound_vars, binders): (FxIndexMap<LocalDefId, ResolvedArg>, Vec<_>) = bound_generic_params .iter() .enumerate() @@ -411,6 +462,8 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { }) .unzip(); + deny_non_region_late_bound(self.tcx, &mut bound_vars, "closures"); + self.record_late_bound_vars(e.hir_id, binders); let scope = Scope::Binder { hir_id: e.hir_id, @@ -567,7 +620,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { fn visit_ty(&mut self, ty: &'tcx hir::Ty<'tcx>) { match ty.kind { hir::TyKind::BareFn(c) => { - let (bound_vars, binders): (FxIndexMap<LocalDefId, ResolvedArg>, Vec<_>) = c + let (mut bound_vars, binders): (FxIndexMap<LocalDefId, ResolvedArg>, Vec<_>) = c .generic_params .iter() .enumerate() @@ -577,6 +630,9 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { (pair, r) }) .unzip(); + + deny_non_region_late_bound(self.tcx, &mut bound_vars, "function pointer types"); + self.record_late_bound_vars(ty.hir_id, binders); let scope = Scope::Binder { hir_id: ty.hir_id, @@ -596,7 +652,10 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { let scope = Scope::TraitRefBoundary { s: self.scope }; self.with(scope, |this| { for bound in bounds { - this.visit_poly_trait_ref(bound); + this.visit_poly_trait_ref_inner( + bound, + NonLifetimeBinderAllowed::Deny("trait object types"), + ); } }); match lifetime.res { @@ -865,17 +924,16 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { origin, .. }) => { - let (bound_vars, binders): (FxIndexMap<LocalDefId, ResolvedArg>, Vec<_>) = bound_generic_params - .iter() - .enumerate() - .map(|(late_bound_idx, param)| { - let pair = ResolvedArg::late(late_bound_idx as u32, param); - let r = late_arg_as_bound_arg(this.tcx, &pair.1, param); - (pair, r) - }) - .unzip(); + .iter() + .enumerate() + .map(|(late_bound_idx, param)| { + let pair = ResolvedArg::late(late_bound_idx as u32, param); + let r = late_arg_as_bound_arg(this.tcx, &pair.1, param); + (pair, r) + }) + .unzip(); this.record_late_bound_vars(hir_id, binders.clone()); // Even if there are no lifetimes defined here, we still wrap it in a binder // scope. If there happens to be a nested poly trait ref (an error), that @@ -910,20 +968,22 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { continue; } this.insert_lifetime(lt, ResolvedArg::StaticLifetime); - this.tcx - .sess - .struct_span_warn( - lifetime.ident.span, - &format!( - "unnecessary lifetime parameter `{}`", + this.tcx.struct_span_lint_hir( + lint::builtin::UNUSED_LIFETIMES, + lifetime.hir_id, + lifetime.ident.span, + format!( + "unnecessary lifetime parameter `{}`", + lifetime.ident + ), + |lint| { + let help = &format!( + "you can use the `'static` lifetime directly, in place of `{}`", lifetime.ident, - ), - ) - .help(&format!( - "you can use the `'static` lifetime directly, in place of `{}`", - lifetime.ident, - )) - .emit(); + ); + lint.help(help) + }, + ); } } } @@ -967,39 +1027,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { } fn visit_poly_trait_ref(&mut self, trait_ref: &'tcx hir::PolyTraitRef<'tcx>) { - debug!("visit_poly_trait_ref(trait_ref={:?})", trait_ref); - - let (mut binders, scope_type) = self.poly_trait_ref_binder_info(); - - let initial_bound_vars = binders.len() as u32; - let mut bound_vars: FxIndexMap<LocalDefId, ResolvedArg> = FxIndexMap::default(); - let binders_iter = - trait_ref.bound_generic_params.iter().enumerate().map(|(late_bound_idx, param)| { - let pair = ResolvedArg::late(initial_bound_vars + late_bound_idx as u32, param); - let r = late_arg_as_bound_arg(self.tcx, &pair.1, param); - bound_vars.insert(pair.0, pair.1); - r - }); - binders.extend(binders_iter); - - debug!(?binders); - self.record_late_bound_vars(trait_ref.trait_ref.hir_ref_id, binders); - - // Always introduce a scope here, even if this is in a where clause and - // we introduced the binders around the bounded Ty. In that case, we - // just reuse the concatenation functionality also present in nested trait - // refs. - let scope = Scope::Binder { - hir_id: trait_ref.trait_ref.hir_ref_id, - bound_vars, - s: self.scope, - scope_type, - where_bound_origin: None, - }; - self.with(scope, |this| { - walk_list!(this, visit_generic_param, trait_ref.bound_generic_params); - this.visit_trait_ref(&trait_ref.trait_ref); - }); + self.visit_poly_trait_ref_inner(trait_ref, NonLifetimeBinderAllowed::Allow); } } @@ -1364,7 +1392,9 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { return; } - span_bug!(self.tcx.hir().span(hir_id), "could not resolve {param_def_id:?}",); + self.tcx + .sess + .delay_span_bug(self.tcx.hir().span(hir_id), "could not resolve {param_def_id:?}"); } #[instrument(level = "debug", skip(self))] @@ -1915,3 +1945,37 @@ fn is_late_bound_map( } } } + +pub fn deny_non_region_late_bound( + tcx: TyCtxt<'_>, + bound_vars: &mut FxIndexMap<LocalDefId, ResolvedArg>, + where_: &str, +) { + let mut first = true; + + for (var, arg) in bound_vars { + let Node::GenericParam(param) = tcx.hir().get_by_def_id(*var) else { + bug!(); + }; + + let what = match param.kind { + hir::GenericParamKind::Type { .. } => "type", + hir::GenericParamKind::Const { .. } => "const", + hir::GenericParamKind::Lifetime { .. } => continue, + }; + + let mut diag = tcx.sess.struct_span_err( + param.span, + format!("late-bound {what} parameter not allowed on {where_}"), + ); + + let guar = if tcx.features().non_lifetime_binders && first { + diag.emit() + } else { + diag.delay_as_bug() + }; + + first = false; + *arg = ResolvedArg::Error(guar); + } +} diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index a3bc0082ef2..50073d94ea5 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -9,7 +9,7 @@ use rustc_middle::ty::print::with_forced_trimmed_paths; use rustc_middle::ty::subst::InternalSubsts; use rustc_middle::ty::util::IntTypeExt; use rustc_middle::ty::{ - self, ir::TypeFolder, DefIdTree, IsSuggestable, Ty, TyCtxt, TypeSuperFoldable, TypeVisitable, + self, DefIdTree, IsSuggestable, Ty, TyCtxt, TypeFolder, TypeSuperFoldable, TypeVisitableExt, }; use rustc_span::symbol::Ident; use rustc_span::{Span, DUMMY_SP}; @@ -319,8 +319,8 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::EarlyBinder<Ty<'_>> ItemKind::Impl(hir::Impl { self_ty, .. }) => { match self_ty.find_self_aliases() { spans if spans.len() > 0 => { - tcx.sess.emit_err(crate::errors::SelfInImplSelf { span: spans.into(), note: (), }); - tcx.ty_error() + let guar = tcx.sess.emit_err(crate::errors::SelfInImplSelf { span: spans.into(), note: () }); + tcx.ty_error(guar) }, _ => icx.to_ty(*self_ty), } @@ -599,8 +599,9 @@ fn find_opaque_ty_constraints_for_tait(tcx: TyCtxt<'_>, def_id: LocalDefId) -> T // // constant does not contain interior mutability. // ``` let tables = self.tcx.typeck(item_def_id); - if let Some(_) = tables.tainted_by_errors { - self.found = Some(ty::OpaqueHiddenType { span: DUMMY_SP, ty: self.tcx.ty_error() }); + if let Some(guar) = tables.tainted_by_errors { + self.found = + Some(ty::OpaqueHiddenType { span: DUMMY_SP, ty: self.tcx.ty_error(guar) }); return; } let Some(&typeck_hidden_ty) = tables.concrete_opaque_types.get(&self.def_id) else { @@ -618,8 +619,8 @@ fn find_opaque_ty_constraints_for_tait(tcx: TyCtxt<'_>, def_id: LocalDefId) -> T debug!(?concrete_type, "found constraint"); if let Some(prev) = &mut self.found { if concrete_type.ty != prev.ty && !(concrete_type, prev.ty).references_error() { - prev.report_mismatch(&concrete_type, self.tcx); - prev.ty = self.tcx.ty_error(); + let guar = prev.report_mismatch(&concrete_type, self.tcx); + prev.ty = self.tcx.ty_error(guar); } } else { self.found = Some(concrete_type); @@ -706,7 +707,7 @@ fn find_opaque_ty_constraints_for_tait(tcx: TyCtxt<'_>, def_id: LocalDefId) -> T _ => "item", }, }); - return tcx.ty_error_with_guaranteed(reported); + return tcx.ty_error(reported); }; // Only check against typeck if we didn't already error @@ -814,11 +815,11 @@ fn find_opaque_ty_constraints_for_rpit( concrete.map(|concrete| concrete.ty).unwrap_or_else(|| { let table = tcx.typeck(owner_def_id); - if let Some(_) = table.tainted_by_errors { + if let Some(guar) = table.tainted_by_errors { // Some error in the // owner fn prevented us from populating // the `concrete_opaque_types` table. - tcx.ty_error() + tcx.ty_error(guar) } else { table.concrete_opaque_types.get(&def_id).map(|ty| ty.ty).unwrap_or_else(|| { // We failed to resolve the opaque type or it diff --git a/compiler/rustc_hir_analysis/src/constrained_generic_params.rs b/compiler/rustc_hir_analysis/src/constrained_generic_params.rs index 072676c400d..e18b0f08279 100644 --- a/compiler/rustc_hir_analysis/src/constrained_generic_params.rs +++ b/compiler/rustc_hir_analysis/src/constrained_generic_params.rs @@ -1,5 +1,5 @@ use rustc_data_structures::fx::FxHashSet; -use rustc_middle::ty::visit::{ir::TypeVisitor, TypeSuperVisitable, TypeVisitable}; +use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::source_map::Span; use std::ops::ControlFlow; @@ -43,7 +43,7 @@ pub fn parameters_for_impl<'tcx>( /// of parameters whose values are needed in order to constrain `ty` - these /// differ, with the latter being a superset, in the presence of projections. pub fn parameters_for<'tcx>( - t: &impl TypeVisitable<'tcx>, + t: &impl TypeVisitable<TyCtxt<'tcx>>, include_nonconstraining: bool, ) -> Vec<Parameter> { let mut collector = ParameterCollector { parameters: vec![], include_nonconstraining }; diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 04f5f3f6276..d0fb7aff30e 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -1,7 +1,10 @@ //! Errors emitted by `rustc_hir_analysis`. -use rustc_errors::{error_code, Applicability, DiagnosticBuilder, ErrorGuaranteed, Handler}; -use rustc_errors::{IntoDiagnostic, MultiSpan}; +use crate::fluent_generated as fluent; +use rustc_errors::{ + error_code, Applicability, DiagnosticBuilder, ErrorGuaranteed, Handler, IntoDiagnostic, + MultiSpan, +}; use rustc_macros::{Diagnostic, LintDiagnostic}; use rustc_middle::ty::Ty; use rustc_span::{symbol::Ident, Span, Symbol}; @@ -41,11 +44,11 @@ pub struct LifetimesOrBoundsMismatchOnTrait { #[primary_span] #[label] pub span: Span, - #[label(generics_label)] + #[label(hir_analysis_generics_label)] pub generics_span: Option<Span>, - #[label(where_label)] + #[label(hir_analysis_where_label)] pub where_span: Option<Span>, - #[label(bounds_label)] + #[label(hir_analysis_bounds_label)] pub bounds_span: Vec<Span>, pub item_kind: &'static str, pub ident: Ident, @@ -57,7 +60,7 @@ pub struct AsyncTraitImplShouldBeAsync { #[primary_span] // #[label] pub span: Span, - #[label(trait_item_label)] + #[label(hir_analysis_trait_item_label)] pub trait_item_span: Option<Span>, pub method_name: Symbol, } @@ -77,7 +80,7 @@ pub struct FieldAlreadyDeclared { #[primary_span] #[label] pub span: Span, - #[label(previous_decl_label)] + #[label(hir_analysis_previous_decl_label)] pub prev_span: Span, } @@ -109,7 +112,7 @@ pub struct CopyImplOnNonAdt { pub struct TraitObjectDeclaredWithNoTraits { #[primary_span] pub span: Span, - #[label(alias_span)] + #[label(hir_analysis_alias_span)] pub trait_alias_span: Option<Span>, } @@ -145,7 +148,7 @@ pub struct ValueOfAssociatedStructAlreadySpecified { #[primary_span] #[label] pub span: Span, - #[label(previous_bound_label)] + #[label(hir_analysis_previous_bound_label)] pub prev_span: Span, pub item_name: Ident, pub def_path: String, @@ -175,7 +178,7 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> { let mut err = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::hir_analysis_missing_type_params, + fluent::hir_analysis_missing_type_params, error_code!(E0393), ); err.set_arg("parameterCount", self.missing_type_params.len()); @@ -188,7 +191,7 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { .join(", "), ); - err.span_label(self.def_span, rustc_errors::fluent::label); + err.span_label(self.def_span, fluent::hir_analysis_label); let mut suggested = false; // Don't suggest setting the type params if there are some already: the order is @@ -203,7 +206,7 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { // least we can clue them to the correct syntax `Iterator<Type>`. err.span_suggestion( self.span, - rustc_errors::fluent::suggestion, + fluent::hir_analysis_suggestion, format!( "{}<{}>", snippet, @@ -219,10 +222,10 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { } } if !suggested { - err.span_label(self.span, rustc_errors::fluent::no_suggestion_label); + err.span_label(self.span, fluent::hir_analysis_no_suggestion_label); } - err.note(rustc_errors::fluent::note); + err.note(fluent::hir_analysis_note); err } } @@ -274,7 +277,7 @@ pub struct ConstImplForNonConstTrait { pub local_trait_span: Option<Span>, #[note] pub marking: (), - #[note(adding)] + #[note(hir_analysis_adding)] pub adding: (), } @@ -312,3 +315,21 @@ pub struct AutoDerefReachedRecursionLimit<'a> { pub suggested_limit: rustc_session::Limit, pub crate_name: Symbol, } + +#[derive(Diagnostic)] +#[diag(hir_analysis_where_clause_on_main, code = "E0646")] +pub(crate) struct WhereClauseOnMain { + #[primary_span] + pub span: Span, + #[label] + pub generics_span: Option<Span>, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_track_caller_on_main)] +pub(crate) struct TrackCallerOnMain { + #[primary_span] + pub span: Span, + #[label] + pub annotated: Span, +} diff --git a/compiler/rustc_hir_analysis/src/hir_wf_check.rs b/compiler/rustc_hir_analysis/src/hir_wf_check.rs index 8fc4610ae85..e330fcc7857 100644 --- a/compiler/rustc_hir_analysis/src/hir_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/hir_wf_check.rs @@ -5,7 +5,7 @@ use rustc_hir::{ForeignItem, ForeignItemKind}; use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::{ObligationCause, WellFormedLoc}; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, ir::TypeFolder, Region, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, Region, TyCtxt, TypeFoldable, TypeFolder}; use rustc_span::def_id::LocalDefId; use rustc_trait_selection::traits; diff --git a/compiler/rustc_hir_analysis/src/impl_wf_check.rs b/compiler/rustc_hir_analysis/src/impl_wf_check.rs index 8ab9964d810..82a96f8e674 100644 --- a/compiler/rustc_hir_analysis/src/impl_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/impl_wf_check.rs @@ -16,7 +16,7 @@ use rustc_errors::struct_span_err; use rustc_hir::def::DefKind; use rustc_hir::def_id::LocalDefId; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_span::{Span, Symbol}; mod min_specialization; diff --git a/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs b/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs index 4741e4b095d..daa5d15704d 100644 --- a/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs +++ b/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs @@ -76,7 +76,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::specialization_graph::Node; use rustc_middle::ty::subst::{GenericArg, InternalSubsts, SubstsRef}; use rustc_middle::ty::trait_def::TraitSpecializationKind; -use rustc_middle::ty::{self, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_span::Span; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt; use rustc_trait_selection::traits::outlives_bounds::InferCtxtExt as _; diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index 6111046a519..9a43ca685e3 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -99,9 +99,11 @@ pub mod structured_errors; mod variance; use rustc_errors::{struct_span_err, ErrorGuaranteed}; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir as hir; use rustc_hir::Node; use rustc_infer::infer::{InferOk, TyCtxtInferExt}; +use rustc_macros::fluent_messages; use rustc_middle::middle; use rustc_middle::ty::query::Providers; use rustc_middle::ty::{self, Ty, TyCtxt}; @@ -113,12 +115,13 @@ use rustc_target::spec::abi::Abi; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; use rustc_trait_selection::traits::{self, ObligationCause, ObligationCauseCode}; -use std::iter; use std::ops::Not; use astconv::AstConv; use bounds::Bounds; +fluent_messages! { "../locales/en-US.ftl" } + fn require_c_abi_if_c_variadic(tcx: TyCtxt<'_>, decl: &hir::FnDecl<'_>, abi: Abi, span: Span) { const ERROR_HEAD: &str = "C-variadic function must have a compatible calling convention"; const CONVENTIONS_UNSTABLE: &str = "`C`, `cdecl`, `win64`, `sysv64` or `efiapi`"; @@ -268,16 +271,10 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) { } else if !main_fn_predicates.predicates.is_empty() { // generics may bring in implicit predicates, so we skip this check if generics is present. let generics_where_clauses_span = main_fn_where_clauses_span(tcx, main_def_id); - let mut diag = struct_span_err!( - tcx.sess, - generics_where_clauses_span.unwrap_or(main_span), - E0646, - "`main` function is not allowed to have a `where` clause" - ); - if let Some(generics_where_clauses_span) = generics_where_clauses_span { - diag.span_label(generics_where_clauses_span, "`main` cannot have a `where` clause"); - } - diag.emit(); + tcx.sess.emit_err(errors::WhereClauseOnMain { + span: generics_where_clauses_span.unwrap_or(main_span), + generics_span: generics_where_clauses_span, + }); error = true; } @@ -298,10 +295,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) { } for attr in tcx.get_attrs(main_def_id, sym::track_caller) { - tcx.sess - .struct_span_err(attr.span, "`main` function is not allowed to be `#[track_caller]`") - .span_label(main_span, "`main` function is not allowed to be `#[track_caller]`") - .emit(); + tcx.sess.emit_err(errors::TrackCallerOnMain { span: attr.span, annotated: main_span }); error = true; } @@ -348,7 +342,7 @@ fn check_main_fn_ty(tcx: TyCtxt<'_>, main_def_id: DefId) { } let se_ty = tcx.mk_fn_ptr(expected_return_type.map_bound(|expected_return_type| { - tcx.mk_fn_sig(iter::empty(), expected_return_type, false, hir::Unsafety::Normal, Abi::Rust) + tcx.mk_fn_sig([], expected_return_type, false, hir::Unsafety::Normal, Abi::Rust) })); require_same_types( @@ -434,7 +428,7 @@ fn check_start_fn_ty(tcx: TyCtxt<'_>, start_def_id: DefId) { } let se_ty = tcx.mk_fn_ptr(ty::Binder::dummy(tcx.mk_fn_sig( - [tcx.types.isize, tcx.mk_imm_ptr(tcx.mk_imm_ptr(tcx.types.u8))].iter().cloned(), + [tcx.types.isize, tcx.mk_imm_ptr(tcx.mk_imm_ptr(tcx.types.u8))], tcx.types.isize, false, hir::Unsafety::Normal, diff --git a/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs b/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs index 324df313ef1..089491bef5e 100644 --- a/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs +++ b/compiler/rustc_hir_analysis/src/structured_errors/missing_cast_for_variadic_arg.rs @@ -1,6 +1,6 @@ use crate::structured_errors::StructuredDiagnostic; use rustc_errors::{Applicability, DiagnosticBuilder, DiagnosticId, ErrorGuaranteed}; -use rustc_middle::ty::{Ty, TypeVisitable}; +use rustc_middle::ty::{Ty, TypeVisitableExt}; use rustc_session::Session; use rustc_span::Span; diff --git a/compiler/rustc_hir_analysis/src/structured_errors/sized_unsized_cast.rs b/compiler/rustc_hir_analysis/src/structured_errors/sized_unsized_cast.rs index bb608805488..3b9fb367813 100644 --- a/compiler/rustc_hir_analysis/src/structured_errors/sized_unsized_cast.rs +++ b/compiler/rustc_hir_analysis/src/structured_errors/sized_unsized_cast.rs @@ -1,6 +1,6 @@ use crate::structured_errors::StructuredDiagnostic; use rustc_errors::{DiagnosticBuilder, DiagnosticId, ErrorGuaranteed}; -use rustc_middle::ty::{Ty, TypeVisitable}; +use rustc_middle::ty::{Ty, TypeVisitableExt}; use rustc_session::Session; use rustc_span::Span; diff --git a/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs b/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs index 9133e6540d4..cae884ae8fb 100644 --- a/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs +++ b/compiler/rustc_hir_analysis/src/structured_errors/wrong_number_of_generic_args.rs @@ -423,7 +423,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { fn get_unbound_associated_types(&self) -> Vec<String> { if self.tcx.is_trait(self.def_id) { - let items: &AssocItems<'_> = self.tcx.associated_items(self.def_id); + let items: &AssocItems = self.tcx.associated_items(self.def_id); items .in_definition_order() .filter(|item| item.kind == AssocKind::Type) @@ -439,7 +439,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { fn create_error_message(&self) -> String { let def_path = self.tcx.def_path_str(self.def_id); - let def_kind = self.tcx.def_kind(self.def_id).descr(self.def_id); + let def_kind = self.tcx.def_descr(self.def_id); let (quantifier, bound) = self.get_quantifier_and_bound(); let kind = self.kind(); let provided_lt_args = self.num_provided_lifetime_args(); @@ -462,7 +462,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { if self.gen_args.span_ext().is_some() { format!( - "this {} takes {}{} {} argument{} but {} {} supplied", + "{} takes {}{} {} argument{} but {} {} supplied", def_kind, quantifier, bound, @@ -990,7 +990,7 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { }; let msg = { - let def_kind = self.tcx.def_kind(self.def_id).descr(self.def_id); + let def_kind = self.tcx.def_descr(self.def_id); let (quantifier, bound) = self.get_quantifier_and_bound(); let params = if bound == 0 { diff --git a/compiler/rustc_hir_analysis/src/variance/mod.rs b/compiler/rustc_hir_analysis/src/variance/mod.rs index fb63bf22474..5d5c8ca604a 100644 --- a/compiler/rustc_hir_analysis/src/variance/mod.rs +++ b/compiler/rustc_hir_analysis/src/variance/mod.rs @@ -7,10 +7,8 @@ use rustc_arena::DroplessArena; use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::ty::query::Providers; -#[cfg(not(bootstrap))] -use rustc_middle::ty::TypeVisitable; use rustc_middle::ty::{self, CrateVariancesMap, SubstsRef, Ty, TyCtxt}; -use rustc_middle::ty::{DefIdTree, TypeSuperVisitable}; +use rustc_middle::ty::{DefIdTree, TypeSuperVisitable, TypeVisitable}; use std::ops::ControlFlow; /// Defines the `TermsContext` basically houses an arena where we can @@ -101,7 +99,7 @@ fn variance_of_opaque(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Varianc } } - impl<'tcx> ty::ir::TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeLifetimeCollector<'tcx> { + impl<'tcx> ty::TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeLifetimeCollector<'tcx> { #[instrument(level = "trace", skip(self), ret)] fn visit_region(&mut self, r: ty::Region<'tcx>) -> ControlFlow<Self::BreakTy> { if let ty::RegionKind::ReEarlyBound(ebr) = r.kind() { diff --git a/compiler/rustc_error_messages/locales/en-US/hir_typeck.ftl b/compiler/rustc_hir_typeck/locales/en-US.ftl index 05ac8db0db8..adfcbc36a4d 100644 --- a/compiler/rustc_error_messages/locales/en-US/hir_typeck.ftl +++ b/compiler/rustc_hir_typeck/locales/en-US.ftl @@ -1,17 +1,26 @@ -hir_typeck_fru_note = this expression may have been misinterpreted as a `..` range expression -hir_typeck_fru_expr = this expression does not end in a comma... -hir_typeck_fru_expr2 = ... so this is interpreted as a `..` range expression, instead of functional record update syntax -hir_typeck_fru_suggestion = - to set the remaining fields{$expr -> - [NONE]{""} - *[other] {" "}from `{$expr}` - }, separate the last named field with a comma - hir_typeck_field_multiply_specified_in_initializer = field `{$ident}` specified more than once .label = used more than once .previous_use_label = first use of `{$ident}` +hir_typeck_copy_impl_on_type_with_dtor = + the trait `Copy` may not be implemented for this type; the type has a destructor + .label = `Copy` not allowed on types with destructors + +hir_typeck_multiple_relaxed_default_bounds = + type parameter has more than one relaxed default bound, only one is supported + +hir_typeck_copy_impl_on_non_adt = + the trait `Copy` may not be implemented for this type + .label = type is not a structure or enumeration + +hir_typeck_trait_object_declared_with_no_traits = + at least one trait is required for an object type + .alias_span = this alias does not contain a trait + +hir_typeck_functional_record_update_on_non_struct = + functional record update syntax requires a struct + hir_typeck_return_stmt_outside_of_fn_body = return statement outside of function body .encl_body_label = the return is part of this body... @@ -26,9 +35,6 @@ hir_typeck_struct_expr_non_exhaustive = hir_typeck_method_call_on_unknown_type = the type of this value must be known to call a method on a raw pointer on it -hir_typeck_functional_record_update_on_non_struct = - functional record update syntax requires a struct - hir_typeck_address_of_temporary_taken = cannot take address of a temporary .label = temporary value @@ -44,9 +50,6 @@ hir_typeck_missing_parentheses_in_range = can't call method `{$method_name}` on hir_typeck_add_missing_parentheses_in_range = you must surround the range in parentheses to call its `{$func_name}` function -hir_typeck_op_trait_generic_params = - `{$method_name}` must not have any generic parameters - hir_typeck_lang_start_incorrect_number_params = incorrect number of parameters for the `start` lang item hir_typeck_lang_start_incorrect_number_params_note_expected_count = the `start` lang item should have four parameters, but found {$found_param_count} @@ -63,3 +66,14 @@ hir_typeck_help_set_edition_standalone = pass `--edition {$edition}` to `rustc` hir_typeck_note_edition_guide = for more on editions, read https://doc.rust-lang.org/edition-guide hir_typeck_convert_to_str = try converting the passed type into a `&str` + +hir_typeck_op_trait_generic_params = `{$method_name}` must not have any generic parameters + +hir_typeck_fru_note = this expression may have been misinterpreted as a `..` range expression +hir_typeck_fru_expr = this expression does not end in a comma... +hir_typeck_fru_expr2 = ... so this is interpreted as a `..` range expression, instead of functional record update syntax +hir_typeck_fru_suggestion = + to set the remaining fields{$expr -> + [NONE]{""} + *[other] {" "}from `{$expr}` + }, separate the last named field with a comma diff --git a/compiler/rustc_hir_typeck/src/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index 089863a66e7..fe2f6319c1a 100644 --- a/compiler/rustc_hir_typeck/src/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -21,7 +21,7 @@ use rustc_middle::ty::adjustment::{ Adjust, Adjustment, AllowTwoPhase, AutoBorrow, AutoBorrowMutability, }; use rustc_middle::ty::SubstsRef; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::def_id::LocalDefId; use rustc_span::symbol::{sym, Ident}; use rustc_span::Span; @@ -247,6 +247,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { adjusted_ty, opt_input_type.as_ref().map(slice::from_ref), ) { + // Check for `self` receiver on the method, otherwise we can't use this as a `Fn*` trait. + if !self.tcx.associated_item(ok.value.def_id).fn_has_self_parameter { + self.tcx.sess.delay_span_bug( + call_expr.span, + "input to overloaded call fn is not a self receiver", + ); + return None; + } + let method = self.register_infer_ok_obligations(ok); let mut autoref = None; if borrow { @@ -257,7 +266,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // caused an error elsewhere. self.tcx .sess - .delay_span_bug(call_expr.span, "input to call/call_mut is not a ref?"); + .delay_span_bug(call_expr.span, "input to call/call_mut is not a ref"); return None; }; @@ -271,6 +280,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { target: method.sig.inputs()[0], }); } + return Some((autoref, method)); } } @@ -428,7 +438,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let err = self.report_invalid_callee(call_expr, callee_expr, callee_ty, arg_exprs); - return self.tcx.ty_error_with_guaranteed(err); + return self.tcx.ty_error(err); } }; @@ -661,7 +671,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { && !self.type_is_sized_modulo_regions(self.param_env, output_ty, callee_expr.span) { let descr = match maybe_def { - DefIdOrName::DefId(def_id) => self.tcx.def_kind(def_id).descr(def_id), + DefIdOrName::DefId(def_id) => self.tcx.def_descr(def_id), DefIdOrName::Name(name) => name, }; err.span_label( @@ -823,7 +833,7 @@ impl<'a, 'tcx> DeferredCallResolution<'tcx> { ); err.help( "make sure the `fn`/`fn_mut`/`fn_once` lang items are defined \ - and have associated `call`/`call_mut`/`call_once` functions", + and have correctly defined `call`/`call_mut`/`call_once` methods", ); err.emit(); } diff --git a/compiler/rustc_hir_typeck/src/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs index 8e21c084841..316c2a7eeeb 100644 --- a/compiler/rustc_hir_typeck/src/cast.rs +++ b/compiler/rustc_hir_typeck/src/cast.rs @@ -41,7 +41,7 @@ use rustc_middle::mir::Mutability; use rustc_middle::ty::adjustment::AllowTwoPhase; use rustc_middle::ty::cast::{CastKind, CastTy}; use rustc_middle::ty::error::TypeError; -use rustc_middle::ty::{self, Ty, TypeAndMut, TypeVisitable, VariantDef}; +use rustc_middle::ty::{self, Ty, TypeAndMut, TypeVisitableExt, VariantDef}; use rustc_session::lint; use rustc_session::Session; use rustc_span::def_id::{DefId, LOCAL_CRATE}; diff --git a/compiler/rustc_hir_typeck/src/check.rs b/compiler/rustc_hir_typeck/src/check.rs index 3feb23d3481..bf8259ff70f 100644 --- a/compiler/rustc_hir_typeck/src/check.rs +++ b/compiler/rustc_hir_typeck/src/check.rs @@ -264,7 +264,7 @@ fn check_lang_start_fn<'tcx>( let fn_generic = generics.param_at(0, tcx); let generic_ty = tcx.mk_ty_param(fn_generic.index, fn_generic.name); let expected_fn_sig = - tcx.mk_fn_sig([].iter(), &generic_ty, false, hir::Unsafety::Normal, Abi::Rust); + tcx.mk_fn_sig([], generic_ty, false, hir::Unsafety::Normal, Abi::Rust); let expected_ty = tcx.mk_fn_ptr(Binder::dummy(expected_fn_sig)); // we emit the same error to suggest changing the arg no matter what's wrong with the arg diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs index b1268c5f792..6c700428323 100644 --- a/compiler/rustc_hir_typeck/src/closure.rs +++ b/compiler/rustc_hir_typeck/src/closure.rs @@ -3,6 +3,7 @@ use super::{check_fn, Expectation, FnCtxt, GeneratorTypes}; use hir::def::DefKind; +use rustc_errors::ErrorGuaranteed; use rustc_hir as hir; use rustc_hir::lang_items::LangItem; use rustc_hir_analysis::astconv::AstConv; @@ -11,8 +12,8 @@ use rustc_infer::infer::LateBoundRegionConversionTime; use rustc_infer::infer::{InferOk, InferResult}; use rustc_macros::{TypeFoldable, TypeVisitable}; use rustc_middle::ty::subst::InternalSubsts; -use rustc_middle::ty::visit::TypeVisitable; -use rustc_middle::ty::{self, ir::TypeVisitor, Ty, TyCtxt, TypeSuperVisitable}; +use rustc_middle::ty::visit::{TypeVisitable, TypeVisitableExt}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitor}; use rustc_span::def_id::LocalDefId; use rustc_span::source_map::Span; use rustc_span::sym; @@ -126,7 +127,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // the `closures` table. let sig = bound_sig.map_bound(|sig| { self.tcx.mk_fn_sig( - iter::once(self.tcx.intern_tup(sig.inputs())), + [self.tcx.intern_tup(sig.inputs())], sig.output(), sig.c_variadic, sig.unsafety, @@ -326,7 +327,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { debug!(?ret_param_ty); let sig = projection.rebind(self.tcx.mk_fn_sig( - input_tys.iter(), + input_tys, ret_param_ty, false, hir::Unsafety::Normal, @@ -488,17 +489,18 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; let expected_span = expected_sig.cause_span.unwrap_or_else(|| self.tcx.def_span(expr_def_id)); - self.report_arg_count_mismatch( - expected_span, - closure_span, - expected_args, - found_args, - true, - closure_arg_span, - ) - .emit(); - - let error_sig = self.error_sig_of_closure(decl); + let guar = self + .report_arg_count_mismatch( + expected_span, + closure_span, + expected_args, + found_args, + true, + closure_arg_span, + ) + .emit(); + + let error_sig = self.error_sig_of_closure(decl, guar); self.closure_sigs(expr_def_id, body, error_sig) } @@ -561,8 +563,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) { // Check that E' = S'. let cause = self.misc(hir_ty.span); - let InferOk { value: (), obligations } = - self.at(&cause, self.param_env).eq(*expected_ty, supplied_ty)?; + let InferOk { value: (), obligations } = self + .at(&cause, self.param_env) + .define_opaque_types(true) + .eq(*expected_ty, supplied_ty)?; all_obligations.extend(obligations); } @@ -574,6 +578,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let cause = &self.misc(decl.output.span()); let InferOk { value: (), obligations } = self .at(cause, self.param_env) + .define_opaque_types(true) .eq(expected_sigs.liberated_sig.output(), supplied_output_ty)?; all_obligations.extend(obligations); @@ -789,13 +794,18 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// Converts the types that the user supplied, in case that doing /// so should yield an error, but returns back a signature where /// all parameters are of type `TyErr`. - fn error_sig_of_closure(&self, decl: &hir::FnDecl<'_>) -> ty::PolyFnSig<'tcx> { + fn error_sig_of_closure( + &self, + decl: &hir::FnDecl<'_>, + guar: ErrorGuaranteed, + ) -> ty::PolyFnSig<'tcx> { let astconv: &dyn AstConv<'_> = self; + let err_ty = self.tcx.ty_error(guar); let supplied_arguments = decl.inputs.iter().map(|a| { // Convert the types that the user supplied (if any), but ignore them. astconv.ast_ty_to_ty(a); - self.tcx.ty_error() + err_ty }); if let hir::FnRetTy::Return(ref output) = decl.output { @@ -804,7 +814,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let result = ty::Binder::dummy(self.tcx.mk_fn_sig( supplied_arguments, - self.tcx.ty_error(), + err_ty, decl.c_variadic, hir::Unsafety::Normal, Abi::RustCall, diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index ba503bf47e7..00b86890b33 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -54,7 +54,7 @@ use rustc_middle::ty::adjustment::{ use rustc_middle::ty::error::TypeError; use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{self, Ty, TypeAndMut}; use rustc_session::parse::feature_err; use rustc_span::symbol::sym; @@ -143,11 +143,11 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { fn unify(&self, a: Ty<'tcx>, b: Ty<'tcx>) -> InferResult<'tcx, Ty<'tcx>> { debug!("unify(a: {:?}, b: {:?}, use_lub: {})", a, b, self.use_lub); self.commit_if_ok(|_| { + let at = self.at(&self.cause, self.fcx.param_env).define_opaque_types(true); if self.use_lub { - self.at(&self.cause, self.fcx.param_env).lub(b, a) + at.lub(b, a) } else { - self.at(&self.cause, self.fcx.param_env) - .sup(b, a) + at.sup(b, a) .map(|InferOk { value: (), obligations }| InferOk { value: a, obligations }) } }) @@ -170,12 +170,14 @@ impl<'f, 'tcx> Coerce<'f, 'tcx> { debug!("Coerce.tys({:?} => {:?})", a, b); // Just ignore error types. - if a.references_error() || b.references_error() { + if let Err(guar) = (a, b).error_reported() { // Best-effort try to unify these types -- we're already on the error path, // so this will have the side-effect of making sure we have no ambiguities // due to `[type error]` and `_` not coercing together. - let _ = self.commit_if_ok(|_| self.at(&self.cause, self.param_env).eq(a, b)); - return success(vec![], self.fcx.tcx.ty_error(), vec![]); + let _ = self.commit_if_ok(|_| { + self.at(&self.cause, self.param_env).define_opaque_types(true).eq(a, b) + }); + return success(vec![], self.fcx.tcx.ty_error(guar), vec![]); } // Coercing from `!` to any type is allowed: @@ -995,7 +997,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let (adjustments, _) = self.register_infer_ok_obligations(ok); self.apply_adjustments(expr, adjustments); - Ok(if expr_ty.references_error() { self.tcx.ty_error() } else { target }) + Ok(if let Err(guar) = expr_ty.error_reported() { self.tcx.ty_error(guar) } else { target }) } /// Same as `try_coerce()`, but without side-effects. @@ -1432,8 +1434,8 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { // If we see any error types, just propagate that error // upwards. - if expression_ty.references_error() || self.merged_ty().references_error() { - self.final_ty = Some(fcx.tcx.ty_error()); + if let Err(guar) = (expression_ty, self.merged_ty()).error_reported() { + self.final_ty = Some(fcx.tcx.ty_error(guar)); return; } @@ -1484,6 +1486,8 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { // Another example is `break` with no argument expression. assert!(expression_ty.is_unit(), "if let hack without unit type"); fcx.at(cause, fcx.param_env) + // needed for tests/ui/type-alias-impl-trait/issue-65679-inst-opaque-ty-from-val-twice.rs + .define_opaque_types(true) .eq_exp(label_expression_as_expected, expression_ty, self.merged_ty()) .map(|infer_ok| { fcx.register_infer_ok_obligations(infer_ok); @@ -1616,7 +1620,7 @@ impl<'tcx, 'exprs, E: AsCoercionSite> CoerceMany<'tcx, 'exprs, E> { let reported = err.emit_unless(unsized_return); - self.final_ty = Some(fcx.tcx.ty_error_with_guaranteed(reported)); + self.final_ty = Some(fcx.tcx.ty_error(reported)); } } } diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index 879a64fc0fb..34d62987c3b 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -16,7 +16,7 @@ use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::{BottomUpFolder, TypeFolder}; use rustc_middle::ty::print::{with_forced_trimmed_paths, with_no_trimmed_paths}; use rustc_middle::ty::relate::TypeRelation; -use rustc_middle::ty::{self, Article, AssocItem, Ty, TypeAndMut, TypeVisitable}; +use rustc_middle::ty::{self, Article, AssocItem, Ty, TypeAndMut, TypeVisitableExt}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{BytePos, Span}; use rustc_trait_selection::infer::InferCtxtExt as _; @@ -113,7 +113,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected: Ty<'tcx>, actual: Ty<'tcx>, ) -> Option<DiagnosticBuilder<'tcx, ErrorGuaranteed>> { - match self.at(cause, self.param_env).sup(expected, actual) { + match self.at(cause, self.param_env).define_opaque_types(true).sup(expected, actual) { Ok(InferOk { obligations, value: () }) => { self.register_predicates(obligations); None @@ -143,7 +143,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { expected: Ty<'tcx>, actual: Ty<'tcx>, ) -> Option<DiagnosticBuilder<'tcx, ErrorGuaranteed>> { - match self.at(cause, self.param_env).eq(expected, actual) { + match self.at(cause, self.param_env).define_opaque_types(true).eq(expected, actual) { Ok(InferOk { obligations, value: () }) => { self.register_predicates(obligations); None diff --git a/compiler/rustc_hir_typeck/src/errors.rs b/compiler/rustc_hir_typeck/src/errors.rs index 2c8979402b6..3eee2278dca 100644 --- a/compiler/rustc_hir_typeck/src/errors.rs +++ b/compiler/rustc_hir_typeck/src/errors.rs @@ -1,4 +1,5 @@ //! Errors emitted by `rustc_hir_typeck`. +use crate::fluent_generated as fluent; use rustc_errors::{AddToDiagnostic, Applicability, Diagnostic, MultiSpan, SubdiagnosticMessage}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_middle::ty::Ty; @@ -14,7 +15,7 @@ pub struct FieldMultiplySpecifiedInInitializer { #[primary_span] #[label] pub span: Span, - #[label(previous_use_label)] + #[label(hir_typeck_previous_use_label)] pub prev_span: Span, pub ident: Ident, } @@ -24,9 +25,9 @@ pub struct FieldMultiplySpecifiedInInitializer { pub struct ReturnStmtOutsideOfFnBody { #[primary_span] pub span: Span, - #[label(encl_body_label)] + #[label(hir_typeck_encl_body_label)] pub encl_body_span: Option<Span>, - #[label(encl_fn_label)] + #[label(hir_typeck_encl_fn_label)] pub encl_fn_span: Option<Span>, } @@ -157,20 +158,17 @@ impl AddToDiagnostic for TypeMismatchFruTypo { // Only explain that `a ..b` is a range if it's split up if self.expr_span.between(self.fru_span).is_empty() { - diag.span_note( - self.expr_span.to(self.fru_span), - rustc_errors::fluent::hir_typeck_fru_note, - ); + diag.span_note(self.expr_span.to(self.fru_span), fluent::hir_typeck_fru_note); } else { let mut multispan: MultiSpan = vec![self.expr_span, self.fru_span].into(); - multispan.push_span_label(self.expr_span, rustc_errors::fluent::hir_typeck_fru_expr); - multispan.push_span_label(self.fru_span, rustc_errors::fluent::hir_typeck_fru_expr2); - diag.span_note(multispan, rustc_errors::fluent::hir_typeck_fru_note); + multispan.push_span_label(self.expr_span, fluent::hir_typeck_fru_expr); + multispan.push_span_label(self.fru_span, fluent::hir_typeck_fru_expr2); + diag.span_note(multispan, fluent::hir_typeck_fru_note); } diag.span_suggestion( self.expr_span.shrink_to_hi(), - rustc_errors::fluent::hir_typeck_fru_suggestion, + fluent::hir_typeck_fru_suggestion, ", ", Applicability::MaybeIncorrect, ); diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 2f79071f6dc..6d54f6948c8 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -42,11 +42,11 @@ use rustc_middle::middle::stability; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AllowTwoPhase}; use rustc_middle::ty::error::TypeError::FieldMisMatch; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, AdtKind, Ty, TypeVisitable}; +use rustc_middle::ty::{self, AdtKind, Ty, TypeVisitableExt}; use rustc_session::errors::ExprParenthesesNeeded; use rustc_session::parse::feature_err; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::hygiene::DesugaringKind; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::source_map::{Span, Spanned}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_target::spec::abi::Abi::RustIntrinsic; @@ -88,7 +88,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return if let [Adjustment { kind: Adjust::NeverToAny, target }] = &adjustments[..] { target.to_owned() } else { - self.tcx().ty_error_with_guaranteed(reported) + self.tcx().ty_error(reported) }; } @@ -313,7 +313,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { tcx.types.never } else { // There was an error; make type-check fail. - tcx.ty_error() + tcx.ty_error_misc() } } ExprKind::Ret(ref expr_opt) => self.check_expr_return(expr_opt.as_deref(), expr), @@ -354,7 +354,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ExprKind::Field(base, field) => self.check_field(expr, &base, field, expected), ExprKind::Index(base, idx) => self.check_expr_index(base, idx, expr), ExprKind::Yield(value, ref src) => self.check_expr_yield(value, expr, src), - hir::ExprKind::Err => tcx.ty_error(), + hir::ExprKind::Err => tcx.ty_error_misc(), } } @@ -402,7 +402,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { { err.subdiagnostic(ExprParenthesesNeeded::surrounding(*sp)); } - oprnd_t = tcx.ty_error_with_guaranteed(err.emit()); + oprnd_t = tcx.ty_error(err.emit()); } } hir::UnOp::Not => { @@ -452,7 +452,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let tm = ty::TypeAndMut { ty, mutbl }; match kind { - _ if tm.ty.references_error() => self.tcx.ty_error(), + _ if tm.ty.references_error() => self.tcx.ty_error_misc(), hir::BorrowKind::Raw => { self.check_named_place_expr(oprnd); self.tcx.mk_ptr(tm) @@ -531,11 +531,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let e = self.tcx.sess.delay_span_bug(qpath.span(), "`Res::Err` but no error emitted"); self.set_tainted_by_errors(e); - tcx.ty_error_with_guaranteed(e) + tcx.ty_error(e) } Res::Def(DefKind::Variant, _) => { let e = report_unexpected_variant_res(tcx, res, qpath, expr.span, "E0533", "value"); - tcx.ty_error_with_guaranteed(e) + tcx.ty_error(e) } _ => self.instantiate_value_path(segs, opt_ty, res, expr.span, expr.hir_id).0, }; @@ -634,7 +634,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // If the loop context is not a `loop { }`, then break with // a value is illegal, and `opt_coerce_to` will be `None`. // Just set expectation to error in that case. - let coerce_to = opt_coerce_to.unwrap_or_else(|| tcx.ty_error()); + let coerce_to = opt_coerce_to.unwrap_or_else(|| tcx.ty_error_misc()); // Recurse without `enclosing_breakables` borrowed. e_ty = self.check_expr_with_hint(e, coerce_to); @@ -1033,7 +1033,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } let result_ty = coerce.complete(self); - if cond_ty.references_error() { self.tcx.ty_error() } else { result_ty } + if let Err(guar) = cond_ty.error_reported() { self.tcx.ty_error(guar) } else { result_ty } } /// Type check assignment expression `expr` of form `lhs = rhs`. @@ -1109,7 +1109,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // If the assignment expression itself is ill-formed, don't // bother emitting another error let reported = err.emit_unless(lhs_ty.references_error() || rhs_ty.references_error()); - return self.tcx.ty_error_with_guaranteed(reported); + return self.tcx.ty_error(reported); } let lhs_ty = self.check_expr_with_needs(&lhs, Needs::MutPlace); @@ -1155,8 +1155,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.require_type_is_sized(lhs_ty, lhs.span, traits::AssignmentLhsSized); - if lhs_ty.references_error() || rhs_ty.references_error() { - self.tcx.ty_error() + if let Err(guar) = (lhs_ty, rhs_ty).error_reported() { + self.tcx.ty_error(guar) } else { self.tcx.mk_unit() } @@ -1274,8 +1274,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let t_expr = self.resolve_vars_if_possible(t_expr); // Eagerly check for some obvious errors. - if t_expr.references_error() || t_cast.references_error() { - self.tcx.ty_error() + if let Err(guar) = (t_expr, t_cast).error_reported() { + self.tcx.ty_error(guar) } else { // Defer other checks until we're done type checking. let mut deferred_cast_checks = self.deferred_cast_checks.borrow_mut(); @@ -1296,7 +1296,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { deferred_cast_checks.push(cast_check); t_cast } - Err(_) => self.tcx.ty_error(), + Err(guar) => self.tcx.ty_error(guar), } } } @@ -1423,8 +1423,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }; - if element_ty.references_error() { - return tcx.ty_error(); + if let Err(guar) = element_ty.error_reported() { + return tcx.ty_error(guar); } self.check_repeat_element_needs_copy_bound(element, count, element_ty); @@ -1493,8 +1493,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { _ => self.check_expr_with_expectation(&e, NoExpectation), }); let tuple = self.tcx.mk_tup(elt_ts_iter); - if tuple.references_error() { - self.tcx.ty_error() + if let Err(guar) = tuple.error_reported() { + self.tcx.ty_error(guar) } else { self.require_type_is_sized(tuple, expr.span, traits::TupleInitializerSized); tuple @@ -1510,9 +1510,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { base_expr: &'tcx Option<&'tcx hir::Expr<'tcx>>, ) -> Ty<'tcx> { // Find the relevant variant - let Some((variant, adt_ty)) = self.check_struct_path(qpath, expr.hir_id) else { - self.check_struct_fields_on_error(fields, base_expr); - return self.tcx.ty_error(); + let (variant, adt_ty) = match self.check_struct_path(qpath, expr.hir_id) { + Ok(data) => data, + Err(guar) => { + self.check_struct_fields_on_error(fields, base_expr); + return self.tcx.ty_error(guar); + } }; // Prohibit struct expressions when non-exhaustive flag is set. @@ -1594,12 +1597,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.field_ty(field.span, v_field, substs) } else { error_happened = true; - if let Some(prev_span) = seen_fields.get(&ident) { + let guar = if let Some(prev_span) = seen_fields.get(&ident) { tcx.sess.emit_err(FieldMultiplySpecifiedInInitializer { span: field.ident.span, prev_span: *prev_span, ident, - }); + }) } else { self.report_unknown_field( adt_ty, @@ -1608,10 +1611,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ast_fields, adt.variant_descr(), expr_span, - ); - } + ) + }; - tcx.ty_error() + tcx.ty_error(guar) }; // Make sure to give a type to the field even if there's @@ -1994,14 +1997,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { skip_fields: &[hir::ExprField<'_>], kind_name: &str, expr_span: Span, - ) { + ) -> ErrorGuaranteed { if variant.is_recovered() { - self.set_tainted_by_errors( - self.tcx - .sess - .delay_span_bug(expr_span, "parser recovered but no error was emitted"), - ); - return; + let guar = self + .tcx + .sess + .delay_span_bug(expr_span, "parser recovered but no error was emitted"); + self.set_tainted_by_errors(guar); + return guar; } let mut err = self.err_ctxt().type_error_struct_with_diag( field.ident.span, @@ -2115,7 +2118,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; } } - err.emit(); + err.emit() } // Return a hint about the closest match in field names @@ -2256,11 +2259,18 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // (#90483) apply adjustments to avoid ExprUseVisitor from // creating erroneous projection. self.apply_adjustments(base, adjustments); - self.ban_private_field_access(expr, base_ty, field, did, expected.only_has_type(self)); - return self.tcx().ty_error(); + let guar = self.ban_private_field_access( + expr, + base_ty, + field, + did, + expected.only_has_type(self), + ); + return self.tcx().ty_error(guar); } - if field.name == kw::Empty { + let guar = if field.name == kw::Empty { + self.tcx.sess.delay_span_bug(field.span, "field name with no name") } else if self.method_exists( field, base_ty, @@ -2268,9 +2278,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { true, expected.only_has_type(self), ) { - self.ban_take_value_of_method(expr, base_ty, field); + self.ban_take_value_of_method(expr, base_ty, field) } else if !base_ty.is_primitive_ty() { - self.ban_nonexisting_field(field, base, expr, base_ty); + self.ban_nonexisting_field(field, base, expr, base_ty) } else { let field_name = field.to_string(); let mut err = type_error_struct!( @@ -2339,10 +2349,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); } } - err.emit(); - } + err.emit() + }; - self.tcx().ty_error() + self.tcx().ty_error(guar) } fn suggest_await_on_field_access( @@ -2388,7 +2398,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { base: &'tcx hir::Expr<'tcx>, expr: &'tcx hir::Expr<'tcx>, base_ty: Ty<'tcx>, - ) { + ) -> ErrorGuaranteed { debug!( "ban_nonexisting_field: field={:?}, base={:?}, expr={:?}, base_ty={:?}", ident, base, expr, base_ty @@ -2436,7 +2446,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { HelpUseLatestEdition::new().add_to_diagnostic(&mut err); } - err.emit(); + err.emit() } fn ban_private_field_access( @@ -2446,9 +2456,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { field: Ident, base_did: DefId, return_ty: Option<Ty<'tcx>>, - ) { + ) -> ErrorGuaranteed { let struct_path = self.tcx().def_path_str(base_did); - let kind_name = self.tcx().def_kind(base_did).descr(base_did); + let kind_name = self.tcx().def_descr(base_did); let mut err = struct_span_err!( self.tcx().sess, field.span, @@ -2469,10 +2479,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { None, ); } - err.emit(); + err.emit() } - fn ban_take_value_of_method(&self, expr: &hir::Expr<'tcx>, expr_t: Ty<'tcx>, field: Ident) { + fn ban_take_value_of_method( + &self, + expr: &hir::Expr<'tcx>, + expr_t: Ty<'tcx>, + field: Ident, + ) -> ErrorGuaranteed { let mut err = type_error_struct!( self.tcx().sess, field.span, @@ -2544,7 +2559,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { err.help("methods are immutable and cannot be assigned to"); } - err.emit(); + err.emit() } fn point_at_param_definition(&self, err: &mut Diagnostic, param: ty::ParamTy) { @@ -2829,7 +2844,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } let reported = err.emit(); - self.tcx.ty_error_with_guaranteed(reported) + self.tcx.ty_error(reported) } } } diff --git a/compiler/rustc_hir_typeck/src/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index 943dc9b9646..b7ae621c685 100644 --- a/compiler/rustc_hir_typeck/src/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -104,7 +104,7 @@ impl<'tcx> FnCtxt<'_, 'tcx> { // type, `?T` is not considered unsolved, but `?I` is. The // same is true for float variables.) let fallback = match ty.kind() { - _ if let Some(e) = self.tainted_by_errors() => self.tcx.ty_error_with_guaranteed(e), + _ if let Some(e) = self.tainted_by_errors() => self.tcx.ty_error(e), ty::Infer(ty::IntVar(_)) => self.tcx.types.i32, ty::Infer(ty::FloatVar(_)) => self.tcx.types.f64, _ => match diverging_fallback.get(&ty) { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 5b641be062b..60e55c7b0cf 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -23,16 +23,16 @@ use rustc_infer::infer::InferResult; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::error::TypeError; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::{TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::{ - self, AdtKind, CanonicalUserType, DefIdTree, GenericParamDefKind, Ty, UserType, + self, AdtKind, CanonicalUserType, DefIdTree, GenericParamDefKind, Ty, TyCtxt, UserType, }; use rustc_middle::ty::{GenericArgKind, SubstsRef, UserSelfTy, UserSubsts}; use rustc_session::lint; use rustc_span::def_id::LocalDefId; use rustc_span::hygiene::DesugaringKind; use rustc_span::symbol::{kw, sym, Ident}; -use rustc_span::{Span, DUMMY_SP}; +use rustc_span::Span; use rustc_trait_selection::traits::error_reporting::TypeErrCtxtExt as _; use rustc_trait_selection::traits::{self, NormalizeExt, ObligationCauseCode, ObligationCtxt}; @@ -315,7 +315,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub(in super::super) fn normalize<T>(&self, span: Span, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.register_infer_ok_obligations( self.at(&self.misc(span), self.param_env).normalize(value), @@ -443,7 +443,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // sufficiently enforced with erased regions. =) fn can_contain_user_lifetime_bounds<T>(t: T) -> bool where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { t.has_free_regions() || t.has_projections() || t.has_infer_types() } @@ -451,7 +451,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn node_ty(&self, id: hir::HirId) -> Ty<'tcx> { match self.typeck_results.borrow().node_types().get(id) { Some(&t) => t, - None if let Some(e) = self.tainted_by_errors() => self.tcx.ty_error_with_guaranteed(e), + None if let Some(e) = self.tainted_by_errors() => self.tcx.ty_error(e), None => { bug!( "no type for node {} in fcx {}", @@ -465,7 +465,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub fn node_ty_opt(&self, id: hir::HirId) -> Option<Ty<'tcx>> { match self.typeck_results.borrow().node_types().get(id) { Some(&t) => Some(t), - None if let Some(e) = self.tainted_by_errors() => Some(self.tcx.ty_error_with_guaranteed(e)), + None if let Some(e) = self.tainted_by_errors() => Some(self.tcx.ty_error(e)), None => None, } } @@ -701,7 +701,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } pub(in super::super) fn err_args(&self, len: usize) -> Vec<Ty<'tcx>> { - vec![self.tcx.ty_error(); len] + let ty_error = self.tcx.ty_error_misc(); + vec![ty_error; len] } /// Unifies the output type with the expected type early, for more coercions @@ -737,7 +738,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let ty::subst::GenericArgKind::Type(ty) = ty.unpack() && let ty::Alias(ty::Opaque, ty::AliasTy { def_id, .. }) = *ty.kind() && let Some(def_id) = def_id.as_local() - && self.opaque_type_origin(def_id, DUMMY_SP).is_some() { + && self.opaque_type_origin(def_id).is_some() { return None; } } @@ -1161,7 +1162,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } let reported = err.emit(); - return (tcx.ty_error_with_guaranteed(reported), res); + return (tcx.ty_error(reported), res); } } } else { @@ -1417,7 +1418,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .emit_inference_failure_err((**self).body_id, sp, ty.into(), E0282, true) .emit() }); - let err = self.tcx.ty_error_with_guaranteed(e); + let err = self.tcx.ty_error(e); self.demand_suptype(sp, err, ty); err } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs index 06d6a375697..d64492e503d 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs @@ -4,7 +4,7 @@ use rustc_hir::def::Res; use rustc_hir::def_id::DefId; use rustc_infer::traits::ObligationCauseCode; use rustc_middle::ty::{ - self, ir::TypeVisitor, DefIdTree, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, + self, DefIdTree, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor, }; use rustc_span::{self, Span}; use rustc_trait_selection::traits; @@ -243,7 +243,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { true } - fn find_ambiguous_parameter_in<T: TypeVisitable<'tcx>>( + fn find_ambiguous_parameter_in<T: TypeVisitable<TyCtxt<'tcx>>>( &self, item_def_id: DefId, t: T, @@ -549,6 +549,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return Err(expr); }; + if let ( + hir::ExprKind::AddrOf(_borrow_kind, _borrow_mutability, borrowed_expr), + ty::Ref(_ty_region, ty_ref_type, _ty_mutability), + ) = (&expr.kind, in_ty.kind()) + { + // We can "drill into" the borrowed expression. + return self.blame_specific_part_of_expr_corresponding_to_generic_param( + param, + borrowed_expr, + (*ty_ref_type).into(), + ); + } + if let (hir::ExprKind::Tup(expr_elements), ty::Tuple(in_ty_elements)) = (&expr.kind, in_ty.kind()) { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 69a7235802b..99339153de2 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -10,7 +10,9 @@ use crate::{ }; use rustc_ast as ast; use rustc_data_structures::fx::FxIndexSet; -use rustc_errors::{pluralize, Applicability, Diagnostic, DiagnosticId, MultiSpan}; +use rustc_errors::{ + pluralize, Applicability, Diagnostic, DiagnosticId, ErrorGuaranteed, MultiSpan, +}; use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; @@ -25,7 +27,7 @@ use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKi use rustc_infer::infer::InferOk; use rustc_infer::infer::TypeTrace; use rustc_middle::ty::adjustment::AllowTwoPhase; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{self, DefIdTree, IsSuggestable, Ty}; use rustc_session::Session; use rustc_span::symbol::{kw, Ident}; @@ -72,7 +74,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ty = self.typeck_results.borrow().expr_ty_adjusted(expr); let ty = self.resolve_vars_if_possible(ty); if ty.has_non_region_infer() { - self.tcx.ty_error() + self.tcx.ty_error_misc() } else { self.tcx.erase_regions(ty) } @@ -113,7 +115,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { tuple_arguments, method.ok().map(|method| method.def_id), ); - return self.tcx.ty_error(); + return self.tcx.ty_error_misc(); } let method = method.unwrap(); @@ -533,7 +535,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .typeck_results .borrow() .expr_ty_adjusted_opt(*expr) - .unwrap_or_else(|| tcx.ty_error()); + .unwrap_or_else(|| tcx.ty_error_misc()); (self.resolve_vars_if_possible(ty), normalize_span(expr.span)) }) .collect(); @@ -932,25 +934,22 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { labels .push((provided_span, format!("unexpected argument{}", provided_ty_name))); let mut span = provided_span; - if arg_idx.index() > 0 + if span.can_be_used_for_suggestions() { + if arg_idx.index() > 0 && let Some((_, prev)) = provided_arg_tys .get(ProvidedIdx::from_usize(arg_idx.index() - 1) ) { // Include previous comma - span = span.with_lo(prev.hi()); - } else if let Some((_, next)) = provided_arg_tys.get( - ProvidedIdx::from_usize(arg_idx.index() + 1), - ) { - // Include next comma - span = span.until(*next); + span = prev.shrink_to_hi().to(span); } - suggestions.push((span, String::new())); + suggestions.push((span, String::new())); - suggestion_text = match suggestion_text { - SuggestionText::None => SuggestionText::Remove(false), - SuggestionText::Remove(_) => SuggestionText::Remove(true), - _ => SuggestionText::DidYouMean, - }; + suggestion_text = match suggestion_text { + SuggestionText::None => SuggestionText::Remove(false), + SuggestionText::Remove(_) => SuggestionText::Remove(true), + _ => SuggestionText::DidYouMean, + }; + } } Error::Missing(expected_idx) => { // If there are multiple missing arguments adjacent to each other, @@ -1289,7 +1288,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { opt_ty.unwrap_or_else(|| self.next_float_var()) } ast::LitKind::Bool(_) => tcx.types.bool, - ast::LitKind::Err => tcx.ty_error(), + ast::LitKind::Err => tcx.ty_error_misc(), } } @@ -1297,15 +1296,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { &self, qpath: &QPath<'_>, hir_id: hir::HirId, - ) -> Option<(&'tcx ty::VariantDef, Ty<'tcx>)> { + ) -> Result<(&'tcx ty::VariantDef, Ty<'tcx>), ErrorGuaranteed> { let path_span = qpath.span(); let (def, ty) = self.finish_resolving_struct_path(qpath, path_span, hir_id); let variant = match def { Res::Err => { - self.set_tainted_by_errors( - self.tcx.sess.delay_span_bug(path_span, "`Res::Err` but no error emitted"), - ); - return None; + let guar = + self.tcx.sess.delay_span_bug(path_span, "`Res::Err` but no error emitted"); + self.set_tainted_by_errors(guar); + return Err(guar); } Res::Def(DefKind::Variant, _) => match ty.normalized.ty_adt_def() { Some(adt) => { @@ -1333,28 +1332,26 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Check bounds on type arguments used in the path. self.add_required_obligations_for_hir(path_span, did, substs, hir_id); - Some((variant, ty.normalized)) + Ok((variant, ty.normalized)) } else { - match ty.normalized.kind() { - ty::Error(_) => { + Err(match *ty.normalized.kind() { + ty::Error(guar) => { // E0071 might be caused by a spelling error, which will have // already caused an error message and probably a suggestion // elsewhere. Refrain from emitting more unhelpful errors here // (issue #88844). + guar } - _ => { - struct_span_err!( - self.tcx.sess, - path_span, - E0071, - "expected struct, variant or union type, found {}", - ty.normalized.sort_string(self.tcx) - ) - .span_label(path_span, "not a struct") - .emit(); - } - } - None + _ => struct_span_err!( + self.tcx.sess, + path_span, + E0071, + "expected struct, variant or union type, found {}", + ty.normalized.sort_string(self.tcx) + ) + .span_label(path_span, "not a struct") + .emit(), + }) } } @@ -1718,9 +1715,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pat: &'tcx hir::Pat<'tcx>, ty: Ty<'tcx>, ) { - if ty.references_error() { + if let Err(guar) = ty.error_reported() { // Override the types everywhere with `err()` to avoid knock on errors. - let err = self.tcx.ty_error(); + let err = self.tcx.ty_error(guar); self.write_ty(hir_id, err); self.write_ty(pat.hir_id, err); let local_ty = LocalTy { decl_ty: err, revealed_ty: err }; @@ -1749,7 +1746,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let result = self .astconv() .associated_path_to_ty(hir_id, path_span, ty.raw, qself, segment, true); - let ty = result.map(|(ty, _, _)| ty).unwrap_or_else(|_| self.tcx().ty_error()); + let ty = + result.map(|(ty, _, _)| ty).unwrap_or_else(|guar| self.tcx().ty_error(guar)); let ty = self.handle_raw_ty(path_span, ty); let result = result.map(|(_, kind, def_id)| (kind, def_id)); @@ -1941,8 +1939,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { spans.push_span_label(param.span, ""); } - let def_kind = self.tcx.def_kind(def_id); - err.span_note(spans, &format!("{} defined here", def_kind.descr(def_id))); + err.span_note(spans, &format!("{} defined here", self.tcx.def_descr(def_id))); } else if let Some(hir::Node::Expr(e)) = self.tcx.hir().get_if_local(def_id) && let hir::ExprKind::Closure(hir::Closure { body, .. }) = &e.kind { @@ -1955,10 +1952,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; err.span_note(span, &format!("{} defined here", kind)); } else { - let def_kind = self.tcx.def_kind(def_id); err.span_note( self.tcx.def_span(def_id), - &format!("{} defined here", def_kind.descr(def_id)), + &format!("{} defined here", self.tcx.def_descr(def_id)), ); } } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 3814ddaf73f..1dea3e6f900 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -18,7 +18,7 @@ use rustc_infer::infer::error_reporting::TypeErrCtxt; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; use rustc_middle::ty::subst::GenericArgKind; -use rustc_middle::ty::{self, Const, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Const, Ty, TyCtxt, TypeVisitableExt}; use rustc_session::Session; use rustc_span::symbol::Ident; use rustc_span::{self, Span, DUMMY_SP}; diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 3539202d1ca..c49621b7c24 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1,9 +1,10 @@ use super::FnCtxt; use crate::errors::{AddReturnTypeSuggestion, ExpectedReturnTypeLabel}; +use crate::fluent_generated as fluent; use crate::method::probe::{IsSuggestion, Mode, ProbeScope}; use rustc_ast::util::parser::{ExprPrecedence, PREC_POSTFIX}; -use rustc_errors::{fluent, Applicability, Diagnostic, MultiSpan}; +use rustc_errors::{Applicability, Diagnostic, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind}; use rustc_hir::lang_items::LangItem; @@ -16,7 +17,7 @@ use rustc_middle::lint::in_external_macro; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{ self, suggest_constraining_type_params, Binder, DefIdTree, IsSuggestable, ToPredicate, Ty, - TypeVisitable, + TypeVisitableExt, }; use rustc_session::errors::ExprParenthesesNeeded; use rustc_span::source_map::Spanned; @@ -120,7 +121,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { DefIdOrName::DefId(def_id) => match self.tcx.def_kind(def_id) { DefKind::Ctor(CtorOf::Struct, _) => "construct this tuple struct".to_string(), DefKind::Ctor(CtorOf::Variant, _) => "construct this tuple variant".to_string(), - kind => format!("call this {}", kind.descr(def_id)), + kind => format!("call this {}", self.tcx.def_kind_descr(kind, def_id)), }, DefIdOrName::Name(name) => format!("call this {name}"), }; @@ -339,7 +340,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { CtorOf::Variant => "an enum variant", })); } else { - let descr = kind.descr(def_id); + let descr = self.tcx.def_kind_descr(kind, def_id); err.span_label(sp, format!("{descr} `{name}` defined here")); } return true; diff --git a/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_build.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_build.rs index b3dd3031db2..adedb5b7428 100644 --- a/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_build.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_build.rs @@ -12,7 +12,7 @@ use rustc_index::vec::IndexVec; use rustc_infer::infer::InferCtxt; use rustc_middle::{ hir::map::Map, - ty::{ParamEnv, TyCtxt, TypeVisitable, TypeckResults}, + ty::{ParamEnv, TyCtxt, TypeVisitableExt, TypeckResults}, }; use std::mem::swap; diff --git a/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/record_consumed_borrow.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/record_consumed_borrow.rs index ed3d8903157..fa3887362d9 100644 --- a/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/record_consumed_borrow.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/record_consumed_borrow.rs @@ -9,7 +9,7 @@ use rustc_hir as hir; use rustc_middle::ty::{ParamEnv, TyCtxt}; use rustc_middle::{ hir::place::{PlaceBase, Projection, ProjectionKind}, - ty::TypeVisitable, + ty::TypeVisitableExt, }; pub(super) fn find_consumed_and_borrowed<'a, 'tcx>( diff --git a/compiler/rustc_hir_typeck/src/generator_interior/mod.rs b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs index 3f61a1a83e5..e5f9292290f 100644 --- a/compiler/rustc_hir_typeck/src/generator_interior/mod.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs @@ -16,7 +16,7 @@ use rustc_hir::{Arm, Expr, ExprKind, Guard, HirId, Pat, PatKind}; use rustc_infer::infer::RegionVariableOrigin; use rustc_middle::middle::region::{self, Scope, ScopeData, YieldData}; use rustc_middle::ty::fold::FnMutDelegate; -use rustc_middle::ty::{self, BoundVariableKind, RvalueScopes, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, BoundVariableKind, RvalueScopes, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::symbol::sym; use rustc_span::Span; use smallvec::{smallvec, SmallVec}; @@ -312,7 +312,7 @@ pub fn resolve_interior<'a, 'tcx>( // Extract type components to build the witness type. let type_list = fcx.tcx.mk_type_list(type_causes.iter().map(|cause| cause.ty)); - let bound_vars = fcx.tcx.mk_bound_variable_kinds(bound_vars.iter()); + let bound_vars = fcx.tcx.intern_bound_variable_kinds(&bound_vars); let witness = fcx.tcx.mk_generator_witness(ty::Binder::bind_with_vars(type_list, bound_vars.clone())); diff --git a/compiler/rustc_hir_typeck/src/inherited.rs b/compiler/rustc_hir_typeck/src/inherited.rs index 87e54025330..26020382d81 100644 --- a/compiler/rustc_hir_typeck/src/inherited.rs +++ b/compiler/rustc_hir_typeck/src/inherited.rs @@ -6,7 +6,7 @@ use rustc_hir::def_id::LocalDefId; use rustc_hir::HirIdMap; use rustc_infer::infer; use rustc_infer::infer::{DefiningAnchor, InferCtxt, InferOk, TyCtxtInferExt}; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::def_id::LocalDefIdMap; use rustc_span::{self, Span}; diff --git a/compiler/rustc_hir_typeck/src/intrinsicck.rs b/compiler/rustc_hir_typeck/src/intrinsicck.rs index 2c76582f2ec..19d2befc438 100644 --- a/compiler/rustc_hir_typeck/src/intrinsicck.rs +++ b/compiler/rustc_hir_typeck/src/intrinsicck.rs @@ -3,7 +3,7 @@ use rustc_errors::struct_span_err; use rustc_hir as hir; use rustc_index::vec::Idx; use rustc_middle::ty::layout::{LayoutError, SizeSkeleton}; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_target::abi::{Pointer, VariantIdx}; use super::FnCtxt; diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index 0204beb6fb8..91fd8fad73c 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -53,7 +53,10 @@ use crate::check::check_fn; use crate::coercion::DynamicCoerceMany; use crate::gather_locals::GatherLocalsVisitor; use rustc_data_structures::unord::UnordSet; -use rustc_errors::{struct_span_err, DiagnosticId, ErrorGuaranteed, MultiSpan}; +use rustc_errors::{ + struct_span_err, DiagnosticId, DiagnosticMessage, ErrorGuaranteed, MultiSpan, + SubdiagnosticMessage, +}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::intravisit::Visitor; @@ -61,13 +64,16 @@ use rustc_hir::{HirIdMap, Node}; use rustc_hir_analysis::astconv::AstConv; use rustc_hir_analysis::check::check_abi; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; +use rustc_macros::fluent_messages; use rustc_middle::traits; use rustc_middle::ty::query::Providers; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_session::config; use rustc_session::Session; use rustc_span::def_id::{DefId, LocalDefId}; -use rustc_span::Span; +use rustc_span::{sym, Span}; + +fluent_messages! { "../locales/en-US.ftl" } #[macro_export] macro_rules! type_error_struct { @@ -201,6 +207,11 @@ fn typeck_with_fallback<'tcx>( let typeck_results = Inherited::build(tcx, def_id).enter(|inh| { let param_env = tcx.param_env(def_id); + let param_env = if tcx.has_attr(def_id.to_def_id(), sym::rustc_do_not_const_check) { + param_env.without_const() + } else { + param_env + }; let mut fcx = FnCtxt::new(&inh, param_env, def_id); if let Some(hir::FnSig { header, decl, .. }) = fn_sig { diff --git a/compiler/rustc_hir_typeck/src/mem_categorization.rs b/compiler/rustc_hir_typeck/src/mem_categorization.rs index 60e0ce3494d..e50f5c77552 100644 --- a/compiler/rustc_hir_typeck/src/mem_categorization.rs +++ b/compiler/rustc_hir_typeck/src/mem_categorization.rs @@ -51,7 +51,7 @@ use rustc_middle::hir::place::*; use rustc_middle::ty::adjustment; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_data_structures::fx::FxIndexMap; use rustc_hir as hir; @@ -126,7 +126,7 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { fn resolve_vars_if_possible<T>(&self, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.infcx.resolve_vars_if_possible(value) } @@ -601,7 +601,6 @@ impl<'a, 'tcx> MemCategorizationContext<'a, 'tcx> { } } - // FIXME(#19596) This is a workaround, but there should be a better way to do this fn cat_pattern_<F>( &self, mut place_with_id: PlaceWithHirId<'tcx>, diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index f7de55c989f..169f128e0a0 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -14,7 +14,7 @@ use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCast}; use rustc_middle::ty::adjustment::{AllowTwoPhase, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::subst::{self, SubstsRef}; -use rustc_middle::ty::{self, GenericParamDefKind, Ty}; +use rustc_middle::ty::{self, GenericParamDefKind, Ty, TyCtxt}; use rustc_middle::ty::{InternalSubsts, UserSubsts, UserType}; use rustc_span::{Span, DUMMY_SP}; use rustc_trait_selection::traits; @@ -635,7 +635,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { fn instantiate_binder_with_fresh_vars<T>(&self, value: ty::Binder<'tcx, T>) -> T where - T: TypeFoldable<'tcx> + Copy, + T: TypeFoldable<TyCtxt<'tcx>> + Copy, { self.fcx.instantiate_binder_with_fresh_vars(self.span, infer::FnCall, value) } diff --git a/compiler/rustc_hir_typeck/src/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs index d5d10cf272a..0456dd56c34 100644 --- a/compiler/rustc_hir_typeck/src/method/mod.rs +++ b/compiler/rustc_hir_typeck/src/method/mod.rs @@ -20,7 +20,7 @@ use rustc_hir::def_id::DefId; use rustc_infer::infer::{self, InferOk}; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::subst::{InternalSubsts, SubstsRef}; -use rustc_middle::ty::{self, GenericParamDefKind, Ty, TypeVisitable}; +use rustc_middle::ty::{self, GenericParamDefKind, Ty, TypeVisitableExt}; use rustc_span::symbol::Ident; use rustc_span::Span; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt; @@ -380,6 +380,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); return None; }; + + if method_item.kind != ty::AssocKind::Fn { + self.tcx.sess.delay_span_bug(tcx.def_span(method_item.def_id), "not a method"); + return None; + } + let def_id = method_item.def_id; let generics = tcx.generics_of(def_id); diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 0e3a16ac717..3bef5cfcd78 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -9,24 +9,23 @@ use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::def::DefKind; +use rustc_hir_analysis::astconv::InferCtxtExt as _; use rustc_hir_analysis::autoderef::{self, Autoderef}; use rustc_infer::infer::canonical::OriginalQueryValues; use rustc_infer::infer::canonical::{Canonical, QueryResponse}; -use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{self, InferOk, TyCtxtInferExt}; -use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; use rustc_middle::middle::stability; use rustc_middle::ty::fast_reject::{simplify_type, TreatParams}; use rustc_middle::ty::AssocItem; use rustc_middle::ty::GenericParamDefKind; use rustc_middle::ty::ToPredicate; -use rustc_middle::ty::{self, ParamEnvAnd, Ty, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, ParamEnvAnd, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_middle::ty::{InternalSubsts, SubstsRef}; use rustc_session::lint; use rustc_span::def_id::DefId; use rustc_span::def_id::LocalDefId; -use rustc_span::lev_distance::{ - find_best_match_for_name_with_substrings, lev_distance_with_substrings, +use rustc_span::edit_distance::{ + edit_distance_with_substrings, find_best_match_for_name_with_substrings, }; use rustc_span::symbol::sym; use rustc_span::{symbol::Ident, Span, Symbol, DUMMY_SP}; @@ -70,7 +69,7 @@ struct ProbeContext<'a, 'tcx> { impl_dups: FxHashSet<DefId>, /// When probing for names, include names that are close to the - /// requested name (by Levenshtein distance) + /// requested name (by edit distance) allow_similar_names: bool, /// Some(candidate) if there is a private candidate @@ -735,7 +734,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { debug!("impl_ty: {:?}", impl_ty); // Determine the receiver type that the method itself expects. - let (xform_self_ty, xform_ret_ty) = self.xform_self_ty(&item, impl_ty, impl_substs); + let (xform_self_ty, xform_ret_ty) = self.xform_self_ty(item, impl_ty, impl_substs); debug!("xform_self_ty: {:?}, xform_ret_ty: {:?}", xform_self_ty, xform_ret_ty); // We can't use normalize_associated_types_in as it will pollute the @@ -796,7 +795,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let new_trait_ref = this.erase_late_bound_regions(new_trait_ref); let (xform_self_ty, xform_ret_ty) = - this.xform_self_ty(&item, new_trait_ref.self_ty(), new_trait_ref.substs); + this.xform_self_ty(item, new_trait_ref.self_ty(), new_trait_ref.substs); this.push_candidate( Candidate { xform_self_ty, @@ -846,7 +845,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { let trait_ref = this.erase_late_bound_regions(poly_trait_ref); let (xform_self_ty, xform_ret_ty) = - this.xform_self_ty(&item, trait_ref.self_ty(), trait_ref.substs); + this.xform_self_ty(item, trait_ref.self_ty(), trait_ref.substs); // Because this trait derives from a where-clause, it // should not contain any inference variables or other @@ -917,7 +916,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { fn matches_return_type( &self, - method: &ty::AssocItem, + method: ty::AssocItem, self_ty: Option<Ty<'tcx>>, expected: Ty<'tcx>, ) -> bool { @@ -966,11 +965,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } else { let new_trait_ref = self.erase_late_bound_regions(bound_trait_ref); - let (xform_self_ty, xform_ret_ty) = self.xform_self_ty( - &item, - new_trait_ref.self_ty(), - new_trait_ref.substs, - ); + let (xform_self_ty, xform_ret_ty) = + self.xform_self_ty(item, new_trait_ref.self_ty(), new_trait_ref.substs); self.push_candidate( Candidate { xform_self_ty, @@ -998,7 +994,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } let (xform_self_ty, xform_ret_ty) = - self.xform_self_ty(&item, trait_ref.self_ty(), trait_substs); + self.xform_self_ty(item, trait_ref.self_ty(), trait_substs); self.push_candidate( Candidate { xform_self_ty, @@ -1025,7 +1021,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { .filter(|candidate| candidate_filter(&candidate.item)) .filter(|candidate| { if let Some(return_ty) = self.return_type { - self.matches_return_type(&candidate.item, None, return_ty) + self.matches_return_type(candidate.item, None, return_ty) } else { true } @@ -1099,17 +1095,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } fn pick_core(&self) -> Option<PickResult<'tcx>> { - let pick = self.pick_all_method(Some(&mut vec![])); - - // In this case unstable picking is done by `pick_method`. - if !self.tcx.sess.opts.unstable_opts.pick_stable_methods_before_any_unstable { - return pick; - } - - if pick.is_none() { - return self.pick_all_method(None); - } - pick + // Pick stable methods only first, and consider unstable candidates if not found. + self.pick_all_method(Some(&mut vec![])).or_else(|| self.pick_all_method(None)) } fn pick_all_method( @@ -1248,54 +1235,11 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { }) } - fn pick_method_with_unstable(&self, self_ty: Ty<'tcx>) -> Option<PickResult<'tcx>> { - debug!("pick_method_with_unstable(self_ty={})", self.ty_to_string(self_ty)); - - let mut possibly_unsatisfied_predicates = Vec::new(); - - for (kind, candidates) in - &[("inherent", &self.inherent_candidates), ("extension", &self.extension_candidates)] - { - debug!("searching {} candidates", kind); - let res = self.consider_candidates( - self_ty, - candidates, - &mut possibly_unsatisfied_predicates, - Some(&mut vec![]), - ); - if res.is_some() { - return res; - } - } - - for (kind, candidates) in - &[("inherent", &self.inherent_candidates), ("extension", &self.extension_candidates)] - { - debug!("searching unstable {kind} candidates"); - let res = self.consider_candidates( - self_ty, - candidates, - &mut possibly_unsatisfied_predicates, - None, - ); - if res.is_some() { - return res; - } - } - - self.unsatisfied_predicates.borrow_mut().extend(possibly_unsatisfied_predicates); - None - } - fn pick_method( &self, self_ty: Ty<'tcx>, mut unstable_candidates: Option<&mut Vec<(Candidate<'tcx>, Symbol)>>, ) -> Option<PickResult<'tcx>> { - if !self.tcx.sess.opts.unstable_opts.pick_stable_methods_before_any_unstable { - return self.pick_method_with_unstable(self_ty); - } - debug!("pick_method(self_ty={})", self.ty_to_string(self_ty)); let mut possibly_unsatisfied_predicates = Vec::new(); @@ -1422,8 +1366,8 @@ impl<'tcx> Pick<'tcx> { span, format!( "{} {} with this name may be added to the standard library in the future", - def_kind.article(), - def_kind.descr(self.item.def_id), + tcx.def_kind_descr_article(def_kind, self.item.def_id), + tcx.def_kind_descr(def_kind, self.item.def_id), ), |lint| { match (self.item.kind, self.item.container) { @@ -1492,7 +1436,6 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { TraitCandidate(trait_ref) => self.probe(|_| { let _ = self .at(&ObligationCause::dummy(), self.param_env) - .define_opaque_types(false) .sup(candidate.xform_self_ty, self_ty); match self.select_trait_candidate(trait_ref) { Ok(Some(traits::ImplSource::UserDefined(ref impl_data))) => { @@ -1522,7 +1465,6 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { // First check that the self type can be related. let sub_obligations = match self .at(&ObligationCause::dummy(), self.param_env) - .define_opaque_types(false) .sup(probe.xform_self_ty, self_ty) { Ok(InferOk { obligations, value: () }) => obligations, @@ -1739,7 +1681,6 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { if let ProbeResult::Match = result && self .at(&ObligationCause::dummy(), self.param_env) - .define_opaque_types(false) .sup(return_ty, xform_ret_ty) .is_err() { @@ -1797,7 +1738,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { /// Similarly to `probe_for_return_type`, this method attempts to find the best matching /// candidate method where the method name may have been misspelled. Similarly to other - /// Levenshtein based suggestions, we provide at most one such suggestion. + /// edit distance based suggestions, we provide at most one such suggestion. fn probe_for_similar_candidate(&mut self) -> Result<Option<ty::AssocItem>, MethodError<'tcx>> { debug!("probing for method names similar to {:?}", self.method_name); @@ -1884,7 +1825,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { #[instrument(level = "debug", skip(self))] fn xform_self_ty( &self, - item: &ty::AssocItem, + item: ty::AssocItem, impl_ty: Ty<'tcx>, substs: SubstsRef<'tcx>, ) -> (Ty<'tcx>, Option<Ty<'tcx>>) { @@ -1944,33 +1885,6 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { (self.tcx.type_of(impl_def_id), self.fresh_item_substs(impl_def_id)) } - fn fresh_item_substs(&self, def_id: DefId) -> SubstsRef<'tcx> { - InternalSubsts::for_item(self.tcx, def_id, |param, _| match param.kind { - GenericParamDefKind::Lifetime => self.tcx.lifetimes.re_erased.into(), - GenericParamDefKind::Type { .. } => self - .next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::SubstitutionPlaceholder, - span: self.tcx.def_span(def_id), - }) - .into(), - GenericParamDefKind::Const { .. } => { - let span = self.tcx.def_span(def_id); - let origin = ConstVariableOrigin { - kind: ConstVariableOriginKind::SubstitutionPlaceholder, - span, - }; - self.next_const_var( - self.tcx - .type_of(param.def_id) - .no_bound_vars() - .expect("const parameter types cannot be generic"), - origin, - ) - .into() - } - }) - } - /// Replaces late-bound-regions bound by `value` with `'static` using /// `ty::erase_late_bound_regions`. /// @@ -1991,7 +1905,7 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { /// so forth. fn erase_late_bound_regions<T>(&self, value: ty::Binder<'tcx, T>) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.tcx.erase_late_bound_regions(value) } @@ -2055,8 +1969,11 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { if self.matches_by_doc_alias(x.def_id) { return true; } - match lev_distance_with_substrings(name.as_str(), x.name.as_str(), max_dist) - { + match edit_distance_with_substrings( + name.as_str(), + x.name.as_str(), + max_dist, + ) { Some(d) => d > 0, None => false, } diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 6a7b1f6646a..de8b24461b2 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -27,11 +27,11 @@ use rustc_middle::traits::util::supertraits; use rustc_middle::ty::fast_reject::DeepRejectCtxt; use rustc_middle::ty::fast_reject::{simplify_type, TreatParams}; use rustc_middle::ty::print::{with_crate_prefix, with_forced_trimmed_paths}; -use rustc_middle::ty::{self, DefIdTree, GenericArgKind, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, DefIdTree, GenericArgKind, Ty, TyCtxt, TypeVisitableExt}; use rustc_middle::ty::{IsSuggestable, ToPolyTraitRef}; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::Symbol; -use rustc_span::{lev_distance, source_map, ExpnKind, FileName, MacroKind, Span}; +use rustc_span::{edit_distance, source_map, ExpnKind, FileName, MacroKind, Span}; use rustc_trait_selection::traits::error_reporting::on_unimplemented::OnUnimplementedNote; use rustc_trait_selection::traits::error_reporting::on_unimplemented::TypeErrCtxtExt as _; use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; @@ -160,7 +160,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } MethodError::PrivateMatch(kind, def_id, out_of_scope_traits) => { - let kind = kind.descr(def_id); + let kind = self.tcx.def_kind_descr(kind, def_id); let mut err = struct_span_err!( self.tcx.sess, item_name.span, @@ -1014,7 +1014,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // that had unsatisfied trait bounds if unsatisfied_predicates.is_empty() && rcvr_ty.is_enum() { let adt_def = rcvr_ty.ty_adt_def().expect("enum is not an ADT"); - if let Some(suggestion) = lev_distance::find_best_match_for_name( + if let Some(suggestion) = edit_distance::find_best_match_for_name( &adt_def.variants().iter().map(|s| s.name).collect::<Vec<_>>(), item_name.name, None, @@ -1062,8 +1062,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { span, &format!( "there is {} {} with a similar name", - def_kind.article(), - def_kind.descr(similar_candidate.def_id), + self.tcx.def_kind_descr_article(def_kind, similar_candidate.def_id), + self.tcx.def_kind_descr(def_kind, similar_candidate.def_id) ), similar_candidate.name, Applicability::MaybeIncorrect, @@ -1172,7 +1172,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { path, ty, item.kind, - item.def_id, + self.tcx.def_kind_descr(item.kind.as_def_kind(), item.def_id), sugg_span, idx, self.tcx.sess.source_map(), @@ -1208,7 +1208,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { path, rcvr_ty, item.kind, - item.def_id, + self.tcx.def_kind_descr(item.kind.as_def_kind(), item.def_id), sugg_span, idx, self.tcx.sess.source_map(), @@ -2853,7 +2853,7 @@ fn print_disambiguation_help<'tcx>( trait_name: String, rcvr_ty: Ty<'_>, kind: ty::AssocKind, - def_id: DefId, + def_kind_descr: &'static str, span: Span, candidate: Option<usize>, source_map: &source_map::SourceMap, @@ -2886,7 +2886,7 @@ fn print_disambiguation_help<'tcx>( span, &format!( "disambiguate the {} for {}", - kind.as_def_kind().descr(def_id), + def_kind_descr, if let Some(candidate) = candidate { format!("candidate #{}", candidate) } else { diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index c8256e7ec08..a4b325a9b79 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -13,7 +13,7 @@ use rustc_middle::ty::adjustment::{ }; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{ - self, ir::TypeFolder, DefIdTree, IsSuggestable, Ty, TyCtxt, TypeSuperFoldable, TypeVisitable, + self, DefIdTree, IsSuggestable, Ty, TyCtxt, TypeFolder, TypeSuperFoldable, TypeVisitableExt, }; use rustc_session::errors::ExprParenthesesNeeded; use rustc_span::source_map::Spanned; @@ -297,7 +297,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { method.sig.output() } // error types are considered "builtin" - Err(_) if lhs_ty.references_error() || rhs_ty.references_error() => self.tcx.ty_error(), + Err(_) if lhs_ty.references_error() || rhs_ty.references_error() => { + self.tcx.ty_error_misc() + } Err(errors) => { let (_, trait_def_id) = lang_item_for_op(self.tcx, Op::Binary(op, is_assign), op.span); @@ -518,7 +520,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } let reported = err.emit(); - self.tcx.ty_error_with_guaranteed(reported) + self.tcx.ty_error(reported) } }; @@ -631,7 +633,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } Err(errors) => { let actual = self.resolve_vars_if_possible(operand_ty); - if !actual.references_error() { + let guar = actual.error_reported().err().unwrap_or_else(|| { let mut err = struct_span_err!( self.tcx.sess, ex.span, @@ -701,9 +703,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } } - err.emit(); - } - self.tcx.ty_error() + err.emit() + }); + self.tcx.ty_error(guar) } } } diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 3881efe87db..9d95866fca4 100644 --- a/compiler/rustc_hir_typeck/src/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -12,10 +12,10 @@ use rustc_hir::{HirId, Pat, PatKind}; use rustc_infer::infer; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_middle::middle::stability::EvalResult; -use rustc_middle::ty::{self, Adt, BindingMode, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Adt, BindingMode, Ty, TypeVisitableExt}; use rustc_session::lint::builtin::NON_EXHAUSTIVE_OMITTED_PATTERNS; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::hygiene::DesugaringKind; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::source_map::{Span, Spanned}; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::{BytePos, DUMMY_SP}; @@ -475,8 +475,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let (Some((true, ..)), _) | (_, Some((true, ..))) = (lhs, rhs) { // There exists a side that didn't meet our criteria that the end-point // be of a numeric or char type, as checked in `calc_side` above. - self.emit_err_pat_range(span, lhs, rhs); - return self.tcx.ty_error(); + let guar = self.emit_err_pat_range(span, lhs, rhs); + return self.tcx.ty_error(guar); } // Unify each side with `expected`. @@ -496,7 +496,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { demand_eqtype(&mut rhs, lhs); if let (Some((true, ..)), _) | (_, Some((true, ..))) = (lhs, rhs) { - return self.tcx.ty_error(); + return self.tcx.ty_error_misc(); } // Find the unified type and check if it's of numeric or char type again. @@ -511,8 +511,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if let Some((ref mut fail, _, _)) = rhs { *fail = true; } - self.emit_err_pat_range(span, lhs, rhs); - return self.tcx.ty_error(); + let guar = self.emit_err_pat_range(span, lhs, rhs); + return self.tcx.ty_error(guar); } ty } @@ -528,7 +528,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { span: Span, lhs: Option<(bool, Ty<'tcx>, Span)>, rhs: Option<(bool, Ty<'tcx>, Span)>, - ) { + ) -> ErrorGuaranteed { let span = match (lhs, rhs) { (Some((true, ..)), Some((true, ..))) => span, (Some((true, _, sp)), _) => sp, @@ -573,7 +573,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { type between two end-points, you can use a guard.", ); } - err.emit(); + err.emit() } fn check_pat_ident( @@ -807,29 +807,33 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - pub fn check_dereferenceable(&self, span: Span, expected: Ty<'tcx>, inner: &Pat<'_>) -> bool { + pub fn check_dereferenceable( + &self, + span: Span, + expected: Ty<'tcx>, + inner: &Pat<'_>, + ) -> Result<(), ErrorGuaranteed> { if let PatKind::Binding(..) = inner.kind && let Some(mt) = self.shallow_resolve(expected).builtin_deref(true) && let ty::Dynamic(..) = mt.ty.kind() { - // This is "x = SomeTrait" being reduced from - // "let &x = &SomeTrait" or "let box x = Box<SomeTrait>", an error. - let type_str = self.ty_to_string(expected); - let mut err = struct_span_err!( - self.tcx.sess, - span, - E0033, - "type `{}` cannot be dereferenced", - type_str - ); - err.span_label(span, format!("type `{type_str}` cannot be dereferenced")); - if self.tcx.sess.teach(&err.get_code().unwrap()) { - err.note(CANNOT_IMPLICITLY_DEREF_POINTER_TRAIT_OBJ); - } - err.emit(); - return false; - } - true + // This is "x = SomeTrait" being reduced from + // "let &x = &SomeTrait" or "let box x = Box<SomeTrait>", an error. + let type_str = self.ty_to_string(expected); + let mut err = struct_span_err!( + self.tcx.sess, + span, + E0033, + "type `{}` cannot be dereferenced", + type_str + ); + err.span_label(span, format!("type `{type_str}` cannot be dereferenced")); + if self.tcx.sess.teach(&err.get_code().unwrap()) { + err.note(CANNOT_IMPLICITLY_DEREF_POINTER_TRAIT_OBJ); + } + return Err(err.emit()); + } + Ok(()) } fn check_pat_struct( @@ -843,13 +847,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ti: TopInfo<'tcx>, ) -> Ty<'tcx> { // Resolve the path and check the definition for errors. - let Some((variant, pat_ty)) = self.check_struct_path(qpath, pat.hir_id) else { - let err = self.tcx.ty_error(); - for field in fields { - let ti = ti; - self.check_pat(field.pat, err, def_bm, ti); + let (variant, pat_ty) = match self.check_struct_path(qpath, pat.hir_id) { + Ok(data) => data, + Err(guar) => { + let err = self.tcx.ty_error(guar); + for field in fields { + let ti = ti; + self.check_pat(field.pat, err, def_bm, ti); + } + return err; } - return err; }; // Type-check the path. @@ -859,7 +866,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { if self.check_struct_pat_fields(pat_ty, &pat, variant, fields, has_rest_pat, def_bm, ti) { pat_ty } else { - self.tcx.ty_error() + self.tcx.ty_error_misc() } } @@ -879,12 +886,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Res::Err => { let e = tcx.sess.delay_span_bug(qpath.span(), "`Res::Err` but no error emitted"); self.set_tainted_by_errors(e); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } Res::Def(DefKind::AssocFn | DefKind::Ctor(_, CtorKind::Fn) | DefKind::Variant, _) => { let expected = "unit struct, unit variant or constant"; let e = report_unexpected_variant_res(tcx, res, qpath, pat.span, "E0533", expected); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } Res::SelfCtor(..) | Res::Def( @@ -1027,7 +1034,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let tcx = self.tcx; let on_error = |e| { for pat in subpats { - self.check_pat(pat, tcx.ty_error_with_guaranteed(e), def_bm, ti); + self.check_pat(pat, tcx.ty_error(e), def_bm, ti); } }; let report_unexpected_res = |res: Res| { @@ -1044,7 +1051,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let e = tcx.sess.delay_span_bug(pat.span, "`Res::Err` but no error emitted"); self.set_tainted_by_errors(e); on_error(e); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } // Type-check the path. @@ -1052,7 +1059,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.instantiate_value_path(segments, opt_ty, res, pat.span, pat.hir_id); if !pat_ty.is_fn() { let e = report_unexpected_res(res); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } let variant = match res { @@ -1060,11 +1067,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let e = tcx.sess.delay_span_bug(pat.span, "`Res::Err` but no error emitted"); self.set_tainted_by_errors(e); on_error(e); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } Res::Def(DefKind::AssocConst | DefKind::AssocFn, _) => { let e = report_unexpected_res(res); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } Res::Def(DefKind::Ctor(_, CtorKind::Fn), _) => tcx.expect_variant_res(res), _ => bug!("unexpected pattern resolution: {:?}", res), @@ -1105,7 +1112,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Pattern has wrong number of fields. let e = self.e0023(pat.span, res, qpath, subpats, &variant.fields, expected, had_err); on_error(e); - return tcx.ty_error_with_guaranteed(e); + return tcx.ty_error(e); } pat_ty } @@ -1301,9 +1308,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let reported = err.emit(); // Walk subpatterns with an expected type of `err` in this case to silence // further errors being emitted when using the bindings. #50333 - let element_tys_iter = (0..max_len).map(|_| tcx.ty_error_with_guaranteed(reported)); + let element_tys_iter = (0..max_len).map(|_| tcx.ty_error(reported)); for (_, elem) in elements.iter().enumerate_and_adjust(max_len, ddpos) { - self.check_pat(elem, tcx.ty_error_with_guaranteed(reported), def_bm, ti); + self.check_pat(elem, tcx.ty_error(reported), def_bm, ti); } tcx.mk_tup(element_tys_iter) } else { @@ -1349,9 +1356,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let ident = tcx.adjust_ident(field.ident, variant.def_id); let field_ty = match used_fields.entry(ident) { Occupied(occupied) => { - self.error_field_already_bound(span, field.ident, *occupied.get()); no_field_errors = false; - tcx.ty_error() + let guar = self.error_field_already_bound(span, field.ident, *occupied.get()); + tcx.ty_error(guar) } Vacant(vacant) => { vacant.insert(span); @@ -1365,7 +1372,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { .unwrap_or_else(|| { inexistent_fields.push(field); no_field_errors = false; - tcx.ty_error() + tcx.ty_error_misc() }) } }; @@ -1536,7 +1543,12 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { err.emit(); } - fn error_field_already_bound(&self, span: Span, ident: Ident, other_field: Span) { + fn error_field_already_bound( + &self, + span: Span, + ident: Ident, + other_field: Span, + ) -> ErrorGuaranteed { struct_span_err!( self.tcx.sess, span, @@ -1546,7 +1558,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) .span_label(span, format!("multiple uses of `{ident}` in pattern")) .span_label(other_field, format!("first use of `{ident}`")) - .emit(); + .emit() } fn error_inexistent_fields( @@ -1919,19 +1931,22 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ti: TopInfo<'tcx>, ) -> Ty<'tcx> { let tcx = self.tcx; - let (box_ty, inner_ty) = if self.check_dereferenceable(span, expected, inner) { - // Here, `demand::subtype` is good enough, but I don't - // think any errors can be introduced by using `demand::eqtype`. - let inner_ty = self.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::TypeInference, - span: inner.span, - }); - let box_ty = tcx.mk_box(inner_ty); - self.demand_eqtype_pat(span, expected, box_ty, ti); - (box_ty, inner_ty) - } else { - let err = tcx.ty_error(); - (err, err) + let (box_ty, inner_ty) = match self.check_dereferenceable(span, expected, inner) { + Ok(()) => { + // Here, `demand::subtype` is good enough, but I don't + // think any errors can be introduced by using `demand::eqtype`. + let inner_ty = self.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::TypeInference, + span: inner.span, + }); + let box_ty = tcx.mk_box(inner_ty); + self.demand_eqtype_pat(span, expected, box_ty, ti); + (box_ty, inner_ty) + } + Err(guar) => { + let err = tcx.ty_error(guar); + (err, err) + } }; self.check_pat(inner, inner_ty, def_bm, ti); box_ty @@ -1949,37 +1964,40 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Ty<'tcx> { let tcx = self.tcx; let expected = self.shallow_resolve(expected); - let (ref_ty, inner_ty) = if self.check_dereferenceable(pat.span, expected, inner) { - // `demand::subtype` would be good enough, but using `eqtype` turns - // out to be equally general. See (note_1) for details. - - // Take region, inner-type from expected type if we can, - // to avoid creating needless variables. This also helps with - // the bad interactions of the given hack detailed in (note_1). - debug!("check_pat_ref: expected={:?}", expected); - match *expected.kind() { - ty::Ref(_, r_ty, r_mutbl) if r_mutbl == mutbl => (expected, r_ty), - _ => { - let inner_ty = self.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::TypeInference, - span: inner.span, - }); - let ref_ty = self.new_ref_ty(pat.span, mutbl, inner_ty); - debug!("check_pat_ref: demanding {:?} = {:?}", expected, ref_ty); - let err = self.demand_eqtype_pat_diag(pat.span, expected, ref_ty, ti); - - // Look for a case like `fn foo(&foo: u32)` and suggest - // `fn foo(foo: &u32)` - if let Some(mut err) = err { - self.borrow_pat_suggestion(&mut err, pat); - err.emit(); + let (ref_ty, inner_ty) = match self.check_dereferenceable(pat.span, expected, inner) { + Ok(()) => { + // `demand::subtype` would be good enough, but using `eqtype` turns + // out to be equally general. See (note_1) for details. + + // Take region, inner-type from expected type if we can, + // to avoid creating needless variables. This also helps with + // the bad interactions of the given hack detailed in (note_1). + debug!("check_pat_ref: expected={:?}", expected); + match *expected.kind() { + ty::Ref(_, r_ty, r_mutbl) if r_mutbl == mutbl => (expected, r_ty), + _ => { + let inner_ty = self.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::TypeInference, + span: inner.span, + }); + let ref_ty = self.new_ref_ty(pat.span, mutbl, inner_ty); + debug!("check_pat_ref: demanding {:?} = {:?}", expected, ref_ty); + let err = self.demand_eqtype_pat_diag(pat.span, expected, ref_ty, ti); + + // Look for a case like `fn foo(&foo: u32)` and suggest + // `fn foo(foo: &u32)` + if let Some(mut err) = err { + self.borrow_pat_suggestion(&mut err, pat); + err.emit(); + } + (ref_ty, inner_ty) } - (ref_ty, inner_ty) } } - } else { - let err = tcx.ty_error(); - (err, err) + Err(guar) => { + let err = tcx.ty_error(guar); + (err, err) + } }; self.check_pat(inner, inner_ty, def_bm, ti); ref_ty @@ -2027,10 +2045,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty::Slice(element_ty) => (element_ty, Some(expected), expected), // The expected type must be an array or slice, but was neither, so error. _ => { - if !expected.references_error() { - self.error_expected_array_or_slice(span, expected, ti); - } - let err = self.tcx.ty_error(); + let guar = expected + .error_reported() + .err() + .unwrap_or_else(|| self.error_expected_array_or_slice(span, expected, ti)); + let err = self.tcx.ty_error(guar); (err, Some(err), err) } }; @@ -2063,7 +2082,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { len: ty::Const<'tcx>, min_len: u64, ) -> (Option<Ty<'tcx>>, Ty<'tcx>) { - if let Some(len) = len.try_eval_target_usize(self.tcx, self.param_env) { + let guar = if let Some(len) = len.try_eval_target_usize(self.tcx, self.param_env) { // Now we know the length... if slice.is_none() { // ...and since there is no variable-length pattern, @@ -2073,7 +2092,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { return (None, arr_ty); } - self.error_scrutinee_inconsistent_length(span, min_len, len); + self.error_scrutinee_inconsistent_length(span, min_len, len) } else if let Some(pat_len) = len.checked_sub(min_len) { // The variable-length pattern was there, // so it has an array type with the remaining elements left as its size... @@ -2081,7 +2100,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { // ...however, in this case, there were no remaining elements. // That is, the slice pattern requires more than the array type offers. - self.error_scrutinee_with_rest_inconsistent_length(span, min_len, len); + self.error_scrutinee_with_rest_inconsistent_length(span, min_len, len) } } else if slice.is_none() { // We have a pattern with a fixed length, @@ -2093,14 +2112,19 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We have a variable-length pattern and don't know the array length. // This happens if we have e.g., // `let [a, b, ..] = arr` where `arr: [T; N]` where `const N: usize`. - self.error_scrutinee_unfixed_length(span); - } + self.error_scrutinee_unfixed_length(span) + }; // If we get here, we must have emitted an error. - (Some(self.tcx.ty_error()), arr_ty) + (Some(self.tcx.ty_error(guar)), arr_ty) } - fn error_scrutinee_inconsistent_length(&self, span: Span, min_len: u64, size: u64) { + fn error_scrutinee_inconsistent_length( + &self, + span: Span, + min_len: u64, + size: u64, + ) -> ErrorGuaranteed { struct_span_err!( self.tcx.sess, span, @@ -2111,10 +2135,15 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { size, ) .span_label(span, format!("expected {} element{}", size, pluralize!(size))) - .emit(); + .emit() } - fn error_scrutinee_with_rest_inconsistent_length(&self, span: Span, min_len: u64, size: u64) { + fn error_scrutinee_with_rest_inconsistent_length( + &self, + span: Span, + min_len: u64, + size: u64, + ) -> ErrorGuaranteed { struct_span_err!( self.tcx.sess, span, @@ -2128,20 +2157,25 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { span, format!("pattern cannot match array of {} element{}", size, pluralize!(size),), ) - .emit(); + .emit() } - fn error_scrutinee_unfixed_length(&self, span: Span) { + fn error_scrutinee_unfixed_length(&self, span: Span) -> ErrorGuaranteed { struct_span_err!( self.tcx.sess, span, E0730, "cannot pattern-match on an array without a fixed length", ) - .emit(); + .emit() } - fn error_expected_array_or_slice(&self, span: Span, expected_ty: Ty<'tcx>, ti: TopInfo<'tcx>) { + fn error_expected_array_or_slice( + &self, + span: Span, + expected_ty: Ty<'tcx>, + ti: TopInfo<'tcx>, + ) -> ErrorGuaranteed { let mut err = struct_span_err!( self.tcx.sess, span, @@ -2185,7 +2219,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } err.span_label(span, format!("pattern cannot match with input type `{expected_ty}`")); - err.emit(); + err.emit() } fn is_slice_or_array_or_vector(&self, ty: Ty<'tcx>) -> (bool, Ty<'tcx>) { diff --git a/compiler/rustc_hir_typeck/src/place_op.rs b/compiler/rustc_hir_typeck/src/place_op.rs index ae0df5aa8f1..8fcec3363c0 100644 --- a/compiler/rustc_hir_typeck/src/place_op.rs +++ b/compiler/rustc_hir_typeck/src/place_op.rs @@ -91,10 +91,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); } let reported = err.emit(); - Some(( - self.tcx.ty_error_with_guaranteed(reported), - self.tcx.ty_error_with_guaranteed(reported), - )) + Some((self.tcx.ty_error(reported), self.tcx.ty_error(reported))) } /// To type-check `base_expr[index_expr]`, we progressively autoderef diff --git a/compiler/rustc_hir_typeck/src/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index e12a575d5ac..7c8abb4186f 100644 --- a/compiler/rustc_hir_typeck/src/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs @@ -301,7 +301,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Build a tuple (U0..Un) of the final upvar types U0..Un // and unify the upvar tuple type in the closure with it: - let final_tupled_upvars_type = self.tcx.mk_tup(final_upvar_tys.iter()); + let final_tupled_upvars_type = self.tcx.intern_tup(&final_upvar_tys); self.demand_suptype(span, substs.tupled_upvars_ty(), final_tupled_upvars_type); let fake_reads = delegate @@ -315,8 +315,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.typeck_results.borrow_mut().closure_size_eval.insert( closure_def_id, ClosureSizeProfileData { - before_feature_tys: self.tcx.mk_tup(before_feature_tys.into_iter()), - after_feature_tys: self.tcx.mk_tup(after_feature_tys.into_iter()), + before_feature_tys: self.tcx.intern_tup(&before_feature_tys), + after_feature_tys: self.tcx.intern_tup(&after_feature_tys), }, ); } diff --git a/compiler/rustc_hir_typeck/src/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index b6c9a88c82d..00348f3afdc 100644 --- a/compiler/rustc_hir_typeck/src/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -13,8 +13,8 @@ use rustc_infer::infer::InferCtxt; use rustc_middle::hir::place::Place as HirPlace; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCast}; -use rustc_middle::ty::fold::{ir::TypeFolder, TypeFoldable, TypeSuperFoldable}; -use rustc_middle::ty::visit::TypeSuperVisitable; +use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; +use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::TypeckResults; use rustc_middle::ty::{self, ClosureSizeProfileData, Ty, TyCtxt}; use rustc_span::symbol::sym; @@ -561,7 +561,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { struct RecursionChecker { def_id: LocalDefId, } - impl<'tcx> ty::ir::TypeVisitor<TyCtxt<'tcx>> for RecursionChecker { + impl<'tcx> ty::TypeVisitor<TyCtxt<'tcx>> for RecursionChecker { type BreakTy = (); fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { if let ty::Alias(ty::Opaque, ty::AliasTy { def_id, .. }) = *t.kind() { @@ -685,7 +685,7 @@ impl<'cx, 'tcx> WritebackCx<'cx, 'tcx> { fn resolve<T>(&mut self, x: T, span: &dyn Locatable) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let mut resolver = Resolver::new(self.fcx, span, self.body); let x = x.fold_with(&mut resolver); @@ -797,7 +797,7 @@ impl<'cx, 'tcx> TypeFolder<TyCtxt<'tcx>> for Resolver<'cx, 'tcx> { debug!("Resolver::fold_ty: input type `{:?}` not fully resolvable", t); let e = self.report_error(t); self.replaced_with_error = Some(e); - self.interner().ty_error_with_guaranteed(e) + self.interner().ty_error(e) } } } diff --git a/compiler/rustc_incremental/Cargo.toml b/compiler/rustc_incremental/Cargo.toml index 179e85f32c9..ad89393956e 100644 --- a/compiler/rustc_incremental/Cargo.toml +++ b/compiler/rustc_incremental/Cargo.toml @@ -6,16 +6,17 @@ edition = "2021" [lib] [dependencies] -rustc_graphviz = { path = "../rustc_graphviz" } -tracing = "0.1" rand = "0.8.4" -rustc_middle = { path = "../rustc_middle" } +rustc_ast = { path = "../rustc_ast" } rustc_data_structures = { path = "../rustc_data_structures" } +rustc_errors = { path = "../rustc_errors" } +rustc_fs_util = { path = "../rustc_fs_util" } +rustc_graphviz = { path = "../rustc_graphviz" } rustc_hir = { path = "../rustc_hir" } -rustc_serialize = { path = "../rustc_serialize" } -rustc_ast = { path = "../rustc_ast" } rustc_macros = { path = "../rustc_macros" } -rustc_span = { path = "../rustc_span" } -rustc_fs_util = { path = "../rustc_fs_util" } +rustc_middle = { path = "../rustc_middle" } +rustc_serialize = { path = "../rustc_serialize" } rustc_session = { path = "../rustc_session" } -rustc_errors = { path = "../rustc_errors" } +rustc_span = { path = "../rustc_span" } +thin-vec = "0.2.12" +tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/incremental.ftl b/compiler/rustc_incremental/locales/en-US.ftl index 4852ee0d959..4852ee0d959 100644 --- a/compiler/rustc_error_messages/locales/en-US/incremental.ftl +++ b/compiler/rustc_incremental/locales/en-US.ftl diff --git a/compiler/rustc_incremental/src/assert_module_sources.rs b/compiler/rustc_incremental/src/assert_module_sources.rs index 2968a0e1203..b4b0ea00c50 100644 --- a/compiler/rustc_incremental/src/assert_module_sources.rs +++ b/compiler/rustc_incremental/src/assert_module_sources.rs @@ -30,6 +30,7 @@ use rustc_middle::mir::mono::CodegenUnitNameBuilder; use rustc_middle::ty::TyCtxt; use rustc_session::cgu_reuse_tracker::*; use rustc_span::symbol::{sym, Symbol}; +use thin_vec::ThinVec; #[allow(missing_docs)] pub fn assert_module_sources(tcx: TyCtxt<'_>) { @@ -138,7 +139,7 @@ impl<'tcx> AssertModuleSource<'tcx> { } fn field(&self, attr: &ast::Attribute, name: Symbol) -> Symbol { - for item in attr.meta_item_list().unwrap_or_else(Vec::new) { + for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) { if item.has_name(name) { if let Some(value) = item.value_str() { return value; diff --git a/compiler/rustc_incremental/src/lib.rs b/compiler/rustc_incremental/src/lib.rs index 3c58cfa38f2..511e466c2ae 100644 --- a/compiler/rustc_incremental/src/lib.rs +++ b/compiler/rustc_incremental/src/lib.rs @@ -31,3 +31,8 @@ pub use persist::save_dep_graph; pub use persist::save_work_product_index; pub use persist::LoadResult; pub use persist::{build_dep_graph, load_dep_graph, DepGraphFuture}; + +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_incremental/src/persist/dirty_clean.rs b/compiler/rustc_incremental/src/persist/dirty_clean.rs index c6e63998c79..b839416c919 100644 --- a/compiler/rustc_incremental/src/persist/dirty_clean.rs +++ b/compiler/rustc_incremental/src/persist/dirty_clean.rs @@ -31,6 +31,8 @@ use rustc_middle::hir::nested_filter; use rustc_middle::ty::TyCtxt; use rustc_span::symbol::{sym, Symbol}; use rustc_span::Span; +use std::iter::FromIterator; +use thin_vec::ThinVec; const LOADED_FROM_DISK: Symbol = sym::loaded_from_disk; const EXCEPT: Symbol = sym::except; @@ -205,7 +207,7 @@ impl<'tcx> DirtyCleanVisitor<'tcx> { /// `loaded_from_disk=` attribute value fn loaded_from_disk(&self, attr: &Attribute) -> Labels { - for item in attr.meta_item_list().unwrap_or_else(Vec::new) { + for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) { if item.has_name(LOADED_FROM_DISK) { let value = expect_associated_value(self.tcx, &item); return self.resolve_labels(&item, value); @@ -217,7 +219,7 @@ impl<'tcx> DirtyCleanVisitor<'tcx> { /// `except=` attribute value fn except(&self, attr: &Attribute) -> Labels { - for item in attr.meta_item_list().unwrap_or_else(Vec::new) { + for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) { if item.has_name(EXCEPT) { let value = expect_associated_value(self.tcx, &item); return self.resolve_labels(&item, value); @@ -397,7 +399,7 @@ fn check_config(tcx: TyCtxt<'_>, attr: &Attribute) -> bool { let config = &tcx.sess.parse_sess.config; debug!("check_config: config={:?}", config); let mut cfg = None; - for item in attr.meta_item_list().unwrap_or_else(Vec::new) { + for item in attr.meta_item_list().unwrap_or_else(ThinVec::new) { if item.has_name(CFG) { let value = expect_associated_value(tcx, &item); debug!("check_config: searching for cfg {:?}", value); diff --git a/compiler/rustc_error_messages/locales/en-US/infer.ftl b/compiler/rustc_infer/locales/en-US.ftl index c5b2b6c2d73..c5b2b6c2d73 100644 --- a/compiler/rustc_error_messages/locales/en-US/infer.ftl +++ b/compiler/rustc_infer/locales/en-US.ftl diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 0c2713fb1a7..7dccd0bb930 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -1,6 +1,6 @@ use hir::GenericParamKind; use rustc_errors::{ - fluent, AddToDiagnostic, Applicability, Diagnostic, DiagnosticMessage, DiagnosticStyledString, + AddToDiagnostic, Applicability, Diagnostic, DiagnosticMessage, DiagnosticStyledString, IntoDiagnosticArg, MultiSpan, SubdiagnosticMessage, }; use rustc_hir as hir; @@ -12,9 +12,10 @@ use rustc_span::symbol::kw; use rustc_span::Symbol; use rustc_span::{symbol::Ident, BytePos, Span}; -use crate::infer::error_reporting::nice_region_error::placeholder_error::Highlighted; +use crate::fluent_generated as fluent; use crate::infer::error_reporting::{ need_type_info::{GeneratorKindAsDiagArg, UnderspecifiedArgKind}, + nice_region_error::placeholder_error::Highlighted, ObligationCauseAsDiagArg, }; @@ -26,9 +27,9 @@ pub struct OpaqueHiddenTypeDiag { #[primary_span] #[label] pub span: Span, - #[note(opaque_type)] + #[note(infer_opaque_type)] pub opaque_type: Span, - #[note(hidden_type)] + #[note(infer_hidden_type)] pub hidden_type: Span, } @@ -768,11 +769,11 @@ impl<'tcx> ActualImplExplNotes<'tcx> { pub struct TraitPlaceholderMismatch<'tcx> { #[primary_span] pub span: Span, - #[label(label_satisfy)] + #[label(infer_label_satisfy)] pub satisfy_span: Option<Span>, - #[label(label_where)] + #[label(infer_label_where)] pub where_span: Option<Span>, - #[label(label_dup)] + #[label(infer_label_dup)] pub dup_span: Option<Span>, pub def_id: String, pub trait_def_id: String, @@ -808,11 +809,11 @@ pub struct RelationshipHelp; #[diag(infer_trait_impl_diff)] pub struct TraitImplDiff { #[primary_span] - #[label(found)] + #[label(infer_found)] pub sp: Span, - #[label(expected)] + #[label(infer_expected)] pub trait_sp: Span, - #[note(expected_found)] + #[note(infer_expected_found)] pub note: (), #[subdiagnostic] pub param_help: ConsiderBorrowingParamHelp, @@ -852,10 +853,10 @@ impl AddToDiagnostic for DynTraitConstraintSuggestion { #[derive(Diagnostic)] #[diag(infer_but_calling_introduces, code = "E0772")] pub struct ButCallingIntroduces { - #[label(label1)] + #[label(infer_label1)] pub param_ty_span: Span, #[primary_span] - #[label(label2)] + #[label(infer_label2)] pub cause_span: Span, pub has_param_name: bool, @@ -913,15 +914,15 @@ impl AddToDiagnostic for MoreTargeted { pub struct ButNeedsToSatisfy { #[primary_span] pub sp: Span, - #[label(influencer)] + #[label(infer_influencer)] pub influencer_point: Span, - #[label(used_here)] + #[label(infer_used_here)] pub spans: Vec<Span>, - #[label(require)] + #[label(infer_require)] pub require_span_as_label: Option<Span>, - #[note(require)] + #[note(infer_require)] pub require_span_as_note: Option<Span>, - #[note(introduced_by_bound)] + #[note(infer_introduced_by_bound)] pub bound: Option<Span>, #[subdiagnostic] diff --git a/compiler/rustc_infer/src/errors/note_and_explain.rs b/compiler/rustc_infer/src/errors/note_and_explain.rs index cb96aeec5f3..ef543b1fb93 100644 --- a/compiler/rustc_infer/src/errors/note_and_explain.rs +++ b/compiler/rustc_infer/src/errors/note_and_explain.rs @@ -1,7 +1,6 @@ +use crate::fluent_generated as fluent; use crate::infer::error_reporting::nice_region_error::find_anon_type; -use rustc_errors::{ - self, fluent, AddToDiagnostic, Diagnostic, IntoDiagnosticArg, SubdiagnosticMessage, -}; +use rustc_errors::{self, AddToDiagnostic, Diagnostic, IntoDiagnosticArg, SubdiagnosticMessage}; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::{symbol::kw, Span}; diff --git a/compiler/rustc_infer/src/infer/at.rs b/compiler/rustc_infer/src/infer/at.rs index d816a9ed3d7..c952ddc827a 100644 --- a/compiler/rustc_infer/src/infer/at.rs +++ b/compiler/rustc_infer/src/infer/at.rs @@ -55,7 +55,7 @@ impl<'tcx> InferCtxt<'tcx> { cause: &'a ObligationCause<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> At<'a, 'tcx> { - At { infcx: self, cause, param_env, define_opaque_types: true } + At { infcx: self, cause, param_env, define_opaque_types: false } } /// Forks the inference context, creating a new inference context with the same inference diff --git a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs index 2b33d31994f..f66f6bd4ae1 100644 --- a/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs +++ b/compiler/rustc_infer/src/infer/canonical/canonicalizer.rs @@ -10,9 +10,9 @@ use crate::infer::canonical::{ }; use crate::infer::InferCtxt; use rustc_middle::ty::flags::FlagComputation; -use rustc_middle::ty::fold::{ir::TypeFolder, TypeFoldable, TypeSuperFoldable}; +use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::subst::GenericArg; -use rustc_middle::ty::{self, BoundVar, InferConst, List, Ty, TyCtxt, TypeFlags}; +use rustc_middle::ty::{self, BoundVar, InferConst, List, Ty, TyCtxt, TypeFlags, TypeVisitableExt}; use std::sync::atomic::Ordering; use rustc_data_structures::fx::FxHashMap; @@ -41,7 +41,7 @@ impl<'tcx> InferCtxt<'tcx> { query_state: &mut OriginalQueryValues<'tcx>, ) -> Canonical<'tcx, V> where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { self.tcx.sess.perf_stats.queries_canonicalized.fetch_add(1, Ordering::Relaxed); @@ -60,7 +60,7 @@ impl<'tcx> InferCtxt<'tcx> { query_state: &mut OriginalQueryValues<'tcx>, ) -> Canonical<'tcx, V> where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { self.tcx.sess.perf_stats.queries_canonicalized.fetch_add(1, Ordering::Relaxed); @@ -100,7 +100,7 @@ impl<'tcx> InferCtxt<'tcx> { /// [c]: https://rust-lang.github.io/chalk/book/canonical_queries/canonicalization.html#canonicalizing-the-query-result pub fn canonicalize_response<V>(&self, value: V) -> Canonical<'tcx, V> where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { let mut query_state = OriginalQueryValues::default(); Canonicalizer::canonicalize( @@ -114,7 +114,7 @@ impl<'tcx> InferCtxt<'tcx> { pub fn canonicalize_user_type_annotation<V>(&self, value: V) -> Canonical<'tcx, V> where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { let mut query_state = OriginalQueryValues::default(); Canonicalizer::canonicalize( @@ -136,7 +136,7 @@ impl<'tcx> InferCtxt<'tcx> { query_state: &mut OriginalQueryValues<'tcx>, ) -> Canonical<'tcx, V> where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { self.tcx.sess.perf_stats.queries_canonicalized.fetch_add(1, Ordering::Relaxed); @@ -333,7 +333,7 @@ impl<'cx, 'tcx> TypeFolder<TyCtxt<'tcx>> for Canonicalizer<'cx, 'tcx> { fn fold_binder<T>(&mut self, t: ty::Binder<'tcx, T>) -> ty::Binder<'tcx, T> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.binder_index.shift_in(1); let t = t.super_fold_with(self); @@ -418,10 +418,15 @@ impl<'cx, 'tcx> TypeFolder<TyCtxt<'tcx>> for Canonicalizer<'cx, 'tcx> { bug!("encountered a fresh type during canonicalization") } - ty::Placeholder(placeholder) => self.canonicalize_ty_var( - CanonicalVarInfo { kind: CanonicalVarKind::PlaceholderTy(placeholder) }, - t, - ), + ty::Placeholder(mut placeholder) => { + if !self.canonicalize_mode.preserve_universes() { + placeholder.universe = ty::UniverseIndex::ROOT; + } + self.canonicalize_ty_var( + CanonicalVarInfo { kind: CanonicalVarKind::PlaceholderTy(placeholder) }, + t, + ) + } ty::Bound(debruijn, _) => { if debruijn >= self.binder_index { @@ -525,7 +530,7 @@ impl<'cx, 'tcx> Canonicalizer<'cx, 'tcx> { query_state: &mut OriginalQueryValues<'tcx>, ) -> Canonical<'tcx, V> where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { let needs_canonical_flags = if canonicalize_region_mode.any() { TypeFlags::NEEDS_INFER | diff --git a/compiler/rustc_infer/src/infer/canonical/mod.rs b/compiler/rustc_infer/src/infer/canonical/mod.rs index 4552256545b..4053546f00c 100644 --- a/compiler/rustc_infer/src/infer/canonical/mod.rs +++ b/compiler/rustc_infer/src/infer/canonical/mod.rs @@ -26,7 +26,7 @@ use crate::infer::{InferCtxt, RegionVariableOrigin, TypeVariableOrigin, TypeVari use rustc_index::vec::IndexVec; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::subst::GenericArg; -use rustc_middle::ty::{self, List}; +use rustc_middle::ty::{self, List, TyCtxt}; use rustc_span::source_map::Span; pub use rustc_middle::infer::canonical::*; @@ -55,7 +55,7 @@ impl<'tcx> InferCtxt<'tcx> { canonical: &Canonical<'tcx, T>, ) -> (T, CanonicalVarValues<'tcx>) where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { // For each universe that is referred to in the incoming // query, create a universe in our local inference context. In diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index b9cb9732ca3..07e7589fee4 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -27,7 +27,7 @@ use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::subst::{GenericArg, GenericArgKind}; use rustc_middle::ty::{self, BoundVar, ToPredicate, Ty, TyCtxt}; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use std::fmt::Debug; use std::iter; @@ -59,7 +59,7 @@ impl<'tcx> InferCtxt<'tcx> { fulfill_cx: &mut dyn TraitEngine<'tcx>, ) -> Fallible<CanonicalQueryResponse<'tcx, T>> where - T: Debug + TypeFoldable<'tcx>, + T: Debug + TypeFoldable<TyCtxt<'tcx>>, Canonical<'tcx, QueryResponse<'tcx, T>>: ArenaAllocatable<'tcx>, { let query_response = self.make_query_response(inference_vars, answer, fulfill_cx)?; @@ -85,7 +85,7 @@ impl<'tcx> InferCtxt<'tcx> { answer: T, ) -> Canonical<'tcx, QueryResponse<'tcx, T>> where - T: Debug + TypeFoldable<'tcx>, + T: Debug + TypeFoldable<TyCtxt<'tcx>>, { self.canonicalize_response(QueryResponse { var_values: inference_vars, @@ -106,7 +106,7 @@ impl<'tcx> InferCtxt<'tcx> { fulfill_cx: &mut dyn TraitEngine<'tcx>, ) -> Result<QueryResponse<'tcx, T>, NoSolution> where - T: Debug + TypeFoldable<'tcx>, + T: Debug + TypeFoldable<TyCtxt<'tcx>>, { let tcx = self.tcx; @@ -180,7 +180,7 @@ impl<'tcx> InferCtxt<'tcx> { query_response: &Canonical<'tcx, QueryResponse<'tcx, R>>, ) -> InferResult<'tcx, R> where - R: Debug + TypeFoldable<'tcx>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, { let InferOk { value: result_subst, mut obligations } = self.query_response_substitution(cause, param_env, original_values, query_response)?; @@ -242,7 +242,7 @@ impl<'tcx> InferCtxt<'tcx> { output_query_region_constraints: &mut QueryRegionConstraints<'tcx>, ) -> InferResult<'tcx, R> where - R: Debug + TypeFoldable<'tcx>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, { let InferOk { value: result_subst, mut obligations } = self .query_response_substitution_guess(cause, param_env, original_values, query_response)?; @@ -356,7 +356,7 @@ impl<'tcx> InferCtxt<'tcx> { query_response: &Canonical<'tcx, QueryResponse<'tcx, R>>, ) -> InferResult<'tcx, CanonicalVarValues<'tcx>> where - R: Debug + TypeFoldable<'tcx>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, { debug!( "query_response_substitution(original_values={:#?}, query_response={:#?})", @@ -393,6 +393,7 @@ impl<'tcx> InferCtxt<'tcx> { /// will instantiate fresh inference variables for each canonical /// variable instead. Therefore, the result of this method must be /// properly unified + #[instrument(level = "debug", skip(self, cause, param_env))] fn query_response_substitution_guess<R>( &self, cause: &ObligationCause<'tcx>, @@ -401,13 +402,8 @@ impl<'tcx> InferCtxt<'tcx> { query_response: &Canonical<'tcx, QueryResponse<'tcx, R>>, ) -> InferResult<'tcx, CanonicalVarValues<'tcx>> where - R: Debug + TypeFoldable<'tcx>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, { - debug!( - "query_response_substitution_guess(original_values={:#?}, query_response={:#?})", - original_values, query_response, - ); - // For each new universe created in the query result that did // not appear in the original query, create a local // superuniverse. @@ -502,7 +498,9 @@ impl<'tcx> InferCtxt<'tcx> { for &(a, b) in &query_response.value.opaque_types { let a = substitute_value(self.tcx, &result_subst, a); let b = substitute_value(self.tcx, &result_subst, b); - obligations.extend(self.at(cause, param_env).eq(a, b)?.obligations); + debug!(?a, ?b, "constrain opaque type"); + obligations + .extend(self.at(cause, param_env).define_opaque_types(true).eq(a, b)?.obligations); } Ok(InferOk { value: result_subst, obligations }) @@ -523,7 +521,7 @@ impl<'tcx> InferCtxt<'tcx> { query_response: &Canonical<'tcx, QueryResponse<'tcx, R>>, ) -> InferResult<'tcx, ()> where - R: Debug + TypeFoldable<'tcx>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, { // A closure that yields the result value for the given // canonical variable; this is taken from @@ -683,7 +681,11 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for QueryTypeRelatingDelegate<'_, 'tcx> { self.infcx.create_next_universe() } - fn next_existential_region_var(&mut self, from_forall: bool) -> ty::Region<'tcx> { + fn next_existential_region_var( + &mut self, + from_forall: bool, + _name: Option<Symbol>, + ) -> ty::Region<'tcx> { let origin = NllRegionVariableOrigin::Existential { from_forall }; self.infcx.next_nll_region_var(origin) } diff --git a/compiler/rustc_infer/src/infer/canonical/substitute.rs b/compiler/rustc_infer/src/infer/canonical/substitute.rs index e77f2d37b7d..c5c6fc41b9e 100644 --- a/compiler/rustc_infer/src/infer/canonical/substitute.rs +++ b/compiler/rustc_infer/src/infer/canonical/substitute.rs @@ -16,7 +16,7 @@ pub(super) trait CanonicalExt<'tcx, V> { /// with the value given in `var_values`. fn substitute(&self, tcx: TyCtxt<'tcx>, var_values: &CanonicalVarValues<'tcx>) -> V where - V: TypeFoldable<'tcx>; + V: TypeFoldable<TyCtxt<'tcx>>; /// Allows one to apply a substitute to some subset of /// `self.value`. Invoke `projection_fn` with `self.value` to get @@ -31,13 +31,13 @@ pub(super) trait CanonicalExt<'tcx, V> { projection_fn: impl FnOnce(&V) -> T, ) -> T where - T: TypeFoldable<'tcx>; + T: TypeFoldable<TyCtxt<'tcx>>; } impl<'tcx, V> CanonicalExt<'tcx, V> for Canonical<'tcx, V> { fn substitute(&self, tcx: TyCtxt<'tcx>, var_values: &CanonicalVarValues<'tcx>) -> V where - V: TypeFoldable<'tcx>, + V: TypeFoldable<TyCtxt<'tcx>>, { self.substitute_projected(tcx, var_values, |value| value.clone()) } @@ -49,7 +49,7 @@ impl<'tcx, V> CanonicalExt<'tcx, V> for Canonical<'tcx, V> { projection_fn: impl FnOnce(&V) -> T, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { assert_eq!(self.variables.len(), var_values.len()); let value = projection_fn(&self.value); @@ -66,7 +66,7 @@ pub(super) fn substitute_value<'tcx, T>( value: T, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { if var_values.var_values.is_empty() { value diff --git a/compiler/rustc_infer/src/infer/combine.rs b/compiler/rustc_infer/src/infer/combine.rs index f5504b05dc4..33292e871b1 100644 --- a/compiler/rustc_infer/src/infer/combine.rs +++ b/compiler/rustc_infer/src/infer/combine.rs @@ -40,8 +40,8 @@ use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::relate::{self, Relate, RelateResult, TypeRelation}; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::{ - self, ir::FallibleTypeFolder, AliasKind, InferConst, ToPredicate, Ty, TyCtxt, TypeFoldable, - TypeSuperFoldable, + self, AliasKind, FallibleTypeFolder, InferConst, ToPredicate, Ty, TyCtxt, TypeFoldable, + TypeSuperFoldable, TypeVisitableExt, }; use rustc_middle::ty::{IntType, UintType}; use rustc_span::{Span, DUMMY_SP}; @@ -478,10 +478,7 @@ impl<'infcx, 'tcx> CombineFields<'infcx, 'tcx> { self.obligations.extend(obligations.into_iter()); } - pub fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ToPredicate<'tcx>>, - ) { + pub fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ToPredicate<'tcx>>) { self.obligations.extend(obligations.into_iter().map(|to_pred| { Obligation::new(self.infcx.tcx, self.trace.cause.clone(), self.param_env, to_pred) })) @@ -814,10 +811,7 @@ pub trait ObligationEmittingRelation<'tcx>: TypeRelation<'tcx> { /// Register predicates that must hold in order for this relation to hold. Uses /// a default obligation cause, [`ObligationEmittingRelation::register_obligations`] should /// be used if control over the obligaton causes is required. - fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ToPredicate<'tcx>>, - ); + fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ToPredicate<'tcx>>); /// Register an obligation that both constants must be equal to each other. /// diff --git a/compiler/rustc_infer/src/infer/equate.rs b/compiler/rustc_infer/src/infer/equate.rs index 742c01efff6..54a62326ef7 100644 --- a/compiler/rustc_infer/src/infer/equate.rs +++ b/compiler/rustc_infer/src/infer/equate.rs @@ -6,7 +6,7 @@ use super::Subtype; use rustc_middle::ty::relate::{self, Relate, RelateResult, TypeRelation}; use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::TyVar; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_hir::def_id::DefId; @@ -201,10 +201,7 @@ impl<'tcx> TypeRelation<'tcx> for Equate<'_, '_, 'tcx> { } impl<'tcx> ObligationEmittingRelation<'tcx> for Equate<'_, '_, 'tcx> { - fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ty::ToPredicate<'tcx>>, - ) { + fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ty::ToPredicate<'tcx>>) { self.fields.register_predicates(obligations); } diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index bb7947e3141..95635405f89 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -72,7 +72,7 @@ use rustc_middle::ty::print::with_forced_trimmed_paths; use rustc_middle::ty::relate::{self, RelateResult, TypeRelation}; use rustc_middle::ty::{ self, error::TypeError, List, Region, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, - TypeVisitable, + TypeVisitable, TypeVisitableExt, }; use rustc_span::{sym, symbol::kw, BytePos, DesugaringKind, Pos, Span}; use rustc_target::spec::abi; @@ -129,21 +129,16 @@ pub(super) fn note_and_explain_region<'tcx>( alt_span: Option<Span>, ) { let (description, span) = match *region { - ty::ReEarlyBound(_) | ty::ReFree(_) | ty::ReStatic => { - msg_span_from_free_region(tcx, region, alt_span) + ty::ReEarlyBound(_) | ty::ReFree(_) | ty::RePlaceholder(_) | ty::ReStatic => { + msg_span_from_named_region(tcx, region, alt_span) } - ty::RePlaceholder(_) => return, - ty::ReError(_) => return, - // FIXME(#13998) RePlaceholder should probably print like - // ReFree rather than dumping Debug output on the user. - // // We shouldn't really be having unification failures with ReVar // and ReLateBound though. ty::ReVar(_) | ty::ReLateBound(..) | ty::ReErased => { - (format!("lifetime {:?}", region), alt_span) + (format!("lifetime `{region}`"), alt_span) } }; @@ -157,12 +152,12 @@ fn explain_free_region<'tcx>( region: ty::Region<'tcx>, suffix: &str, ) { - let (description, span) = msg_span_from_free_region(tcx, region, None); + let (description, span) = msg_span_from_named_region(tcx, region, None); label_msg_span(err, prefix, description, span, suffix); } -fn msg_span_from_free_region<'tcx>( +fn msg_span_from_named_region<'tcx>( tcx: TyCtxt<'tcx>, region: ty::Region<'tcx>, alt_span: Option<Span>, @@ -173,6 +168,18 @@ fn msg_span_from_free_region<'tcx>( (msg, Some(span)) } ty::ReStatic => ("the static lifetime".to_owned(), alt_span), + ty::RePlaceholder(ty::PlaceholderRegion { + name: ty::BoundRegionKind::BrNamed(def_id, name), + .. + }) => (format!("the lifetime `{name}` as defined here"), Some(tcx.def_span(def_id))), + ty::RePlaceholder(ty::PlaceholderRegion { + name: ty::BoundRegionKind::BrAnon(_, Some(span)), + .. + }) => (format!("the anonymous lifetime defined here"), Some(span)), + ty::RePlaceholder(ty::PlaceholderRegion { + name: ty::BoundRegionKind::BrAnon(_, None), + .. + }) => (format!("an anonymous lifetime"), None), _ => bug!("{:?}", region), } } @@ -1443,8 +1450,8 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { impl<'tcx> OpaqueTypesVisitor<'tcx> { fn visit_expected_found( tcx: TyCtxt<'tcx>, - expected: impl TypeVisitable<'tcx>, - found: impl TypeVisitable<'tcx>, + expected: impl TypeVisitable<TyCtxt<'tcx>>, + found: impl TypeVisitable<TyCtxt<'tcx>>, ignore_span: Span, ) -> Self { let mut types_visitor = OpaqueTypesVisitor { @@ -1494,7 +1501,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for OpaqueTypesVisitor<'tcx> { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for OpaqueTypesVisitor<'tcx> { fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { if let Some((kind, def_id)) = TyCategory::from_ty(self.tcx, t) { let span = self.tcx.def_span(def_id); @@ -2199,7 +2206,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } /// Returns a string of the form "expected `{}`, found `{}`". - fn expected_found_str<T: fmt::Display + TypeFoldable<'tcx>>( + fn expected_found_str<T: fmt::Display + TypeFoldable<TyCtxt<'tcx>>>( &self, exp_found: ty::error::ExpectedFound<T>, ) -> Option<(DiagnosticStyledString, DiagnosticStyledString, Option<PathBuf>, Option<PathBuf>)> diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index cf2f6ef33be..e242900fd23 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -122,7 +122,7 @@ impl InferenceDiagnosticsParentData { tcx.def_key(parent_def_id).disambiguated_data.data.get_opt_name()?.to_string(); Some(InferenceDiagnosticsParentData { - prefix: tcx.def_kind(parent_def_id).descr(parent_def_id), + prefix: tcx.def_descr(parent_def_id), name: parent_name, }) } diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs index 4fe6c6618f6..fec04af2313 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/find_anon_type.rs @@ -134,7 +134,8 @@ impl<'tcx> Visitor<'tcx> for FindNestedTypeVisitor<'tcx> { rbv::ResolvedArg::StaticLifetime | rbv::ResolvedArg::Free(_, _) | rbv::ResolvedArg::EarlyBound(_) - | rbv::ResolvedArg::LateBound(_, _, _), + | rbv::ResolvedArg::LateBound(_, _, _) + | rbv::ResolvedArg::Error(_), ) | None, _, @@ -211,7 +212,8 @@ impl<'tcx> Visitor<'tcx> for TyPathVisitor<'tcx> { rbv::ResolvedArg::StaticLifetime | rbv::ResolvedArg::EarlyBound(_) | rbv::ResolvedArg::LateBound(_, _, _) - | rbv::ResolvedArg::Free(_, _), + | rbv::ResolvedArg::Free(_, _) + | rbv::ResolvedArg::Error(_), ) | None, _, diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs index 641477e907d..b06ff10d86e 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs @@ -17,8 +17,7 @@ use rustc_hir::{ TyKind, }; use rustc_middle::ty::{ - self, ir::TypeVisitor, AssocItemContainer, StaticLifetimeVisitor, Ty, TyCtxt, - TypeSuperVisitable, + self, AssocItemContainer, StaticLifetimeVisitor, Ty, TyCtxt, TypeSuperVisitable, TypeVisitor, }; use rustc_span::symbol::Ident; use rustc_span::Span; diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs index d295881d5d7..2875448ee15 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs @@ -75,7 +75,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { } } - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for HighlightBuilder<'tcx> { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for HighlightBuilder<'tcx> { fn visit_region(&mut self, r: ty::Region<'tcx>) -> ControlFlow<Self::BreakTy> { if !r.has_name() && self.counter <= 3 { self.highlight.highlighting_region(r, self.counter); diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs index ac4de2cc842..db4b8af4683 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/util.rs @@ -143,7 +143,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { fn includes_region( &self, - ty: Binder<'tcx, impl TypeVisitable<'tcx>>, + ty: Binder<'tcx, impl TypeVisitable<TyCtxt<'tcx>>>, region: ty::BoundRegionKind, ) -> bool { let late_bound_regions = self.tcx().collect_referenced_late_bound_regions(&ty); diff --git a/compiler/rustc_infer/src/infer/error_reporting/note.rs b/compiler/rustc_infer/src/infer/error_reporting/note.rs index e0e89158a58..7ffe1fd20b4 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note.rs @@ -2,10 +2,11 @@ use crate::errors::{ note_and_explain, FullfillReqLifetime, LfBoundNotSatisfied, OutlivesBound, OutlivesContent, RefLongerThanData, RegionOriginNote, WhereClauseSuggestions, }; +use crate::fluent_generated as fluent; use crate::infer::error_reporting::{note_and_explain_region, TypeErrCtxt}; use crate::infer::{self, SubregionOrigin}; use rustc_errors::{ - fluent, AddToDiagnostic, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, IntoDiagnostic, + AddToDiagnostic, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, IntoDiagnostic, }; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::traits::ObligationCauseCode; diff --git a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs index 2b1d99ef445..b33729d0be5 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note_and_explain.rs @@ -326,7 +326,7 @@ impl<T> Trait<T> for X { diag, &trait_ref, pred.bounds, - &assoc, + assoc, assoc_substs, ty, msg, @@ -624,7 +624,7 @@ fn foo(&self) -> Self::T { String::new() } diag: &mut Diagnostic, trait_ref: &ty::TraitRef<'tcx>, bounds: hir::GenericBounds<'_>, - assoc: &ty::AssocItem, + assoc: ty::AssocItem, assoc_substs: &[ty::GenericArg<'tcx>], ty: Ty<'tcx>, msg: &str, @@ -667,7 +667,7 @@ fn foo(&self) -> Self::T { String::new() } &self, diag: &mut Diagnostic, span: Span, - assoc: &ty::AssocItem, + assoc: ty::AssocItem, assoc_substs: &[ty::GenericArg<'tcx>], ty: Ty<'tcx>, msg: &str, diff --git a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs index 18c5097a262..55dcfd05e0a 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs @@ -8,7 +8,7 @@ use rustc_middle::traits::{ StatementAsExpression, }; use rustc_middle::ty::print::with_no_trimmed_paths; -use rustc_middle::ty::{self as ty, IsSuggestable, Ty, TypeVisitable}; +use rustc_middle::ty::{self as ty, IsSuggestable, Ty, TypeVisitableExt}; use rustc_span::{sym, BytePos, Span}; use crate::errors::{ diff --git a/compiler/rustc_infer/src/infer/freshen.rs b/compiler/rustc_infer/src/infer/freshen.rs index 41bffdc684d..f09f93abf45 100644 --- a/compiler/rustc_infer/src/infer/freshen.rs +++ b/compiler/rustc_infer/src/infer/freshen.rs @@ -33,8 +33,8 @@ use super::InferCtxt; use rustc_data_structures::fx::FxHashMap; use rustc_middle::infer::unify_key::ToType; -use rustc_middle::ty::fold::ir::TypeFolder; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable}; +use rustc_middle::ty::fold::TypeFolder; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, TypeVisitableExt}; use std::collections::hash_map::Entry; pub struct TypeFreshener<'a, 'tcx> { diff --git a/compiler/rustc_infer/src/infer/fudge.rs b/compiler/rustc_infer/src/infer/fudge.rs index cc2f19a5704..86c2c2be4a8 100644 --- a/compiler/rustc_infer/src/infer/fudge.rs +++ b/compiler/rustc_infer/src/infer/fudge.rs @@ -1,4 +1,4 @@ -use rustc_middle::ty::fold::{ir::TypeFolder, TypeFoldable, TypeSuperFoldable}; +use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::{self, ConstVid, FloatVid, IntVid, RegionVid, Ty, TyCtxt, TyVid}; use super::type_variable::TypeVariableOrigin; @@ -98,7 +98,7 @@ impl<'tcx> InferCtxt<'tcx> { pub fn fudge_inference_if_ok<T, E, F>(&self, f: F) -> Result<T, E> where F: FnOnce() -> Result<T, E>, - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let variable_lengths = self.variable_lengths(); let (mut fudger, value) = self.probe(|_| { diff --git a/compiler/rustc_infer/src/infer/glb.rs b/compiler/rustc_infer/src/infer/glb.rs index 74abca7bbea..49df393d83b 100644 --- a/compiler/rustc_infer/src/infer/glb.rs +++ b/compiler/rustc_infer/src/infer/glb.rs @@ -7,7 +7,7 @@ use super::Subtype; use crate::traits::{ObligationCause, PredicateObligations}; use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; /// "Greatest lower bound" (common subtype) pub struct Glb<'combine, 'infcx, 'tcx> { @@ -148,10 +148,7 @@ impl<'combine, 'infcx, 'tcx> LatticeDir<'infcx, 'tcx> for Glb<'combine, 'infcx, } impl<'tcx> ObligationEmittingRelation<'tcx> for Glb<'_, '_, 'tcx> { - fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ty::ToPredicate<'tcx>>, - ) { + fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ty::ToPredicate<'tcx>>) { self.fields.register_predicates(obligations); } diff --git a/compiler/rustc_infer/src/infer/higher_ranked/mod.rs b/compiler/rustc_infer/src/infer/higher_ranked/mod.rs index 82a1bb1fd16..d1897cf24b4 100644 --- a/compiler/rustc_infer/src/infer/higher_ranked/mod.rs +++ b/compiler/rustc_infer/src/infer/higher_ranked/mod.rs @@ -6,7 +6,7 @@ use super::{HigherRankedType, InferCtxt}; use crate::infer::CombinedSnapshot; use rustc_middle::ty::fold::FnMutDelegate; use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; -use rustc_middle::ty::{self, Binder, TypeFoldable}; +use rustc_middle::ty::{self, Binder, TyCtxt, TypeFoldable}; impl<'a, 'tcx> CombineFields<'a, 'tcx> { /// Checks whether `for<..> sub <: for<..> sup` holds. @@ -72,7 +72,7 @@ impl<'tcx> InferCtxt<'tcx> { #[instrument(level = "debug", skip(self), ret)] pub fn instantiate_binder_with_placeholders<T>(&self, binder: ty::Binder<'tcx, T>) -> T where - T: TypeFoldable<'tcx> + Copy, + T: TypeFoldable<TyCtxt<'tcx>> + Copy, { if let Some(inner) = binder.no_bound_vars() { return inner; diff --git a/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs b/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs index ac203c4eb0b..335eb4c5406 100644 --- a/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs +++ b/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs @@ -1024,7 +1024,7 @@ impl<'tcx> fmt::Debug for RegionAndOrigin<'tcx> { impl<'tcx> LexicalRegionResolutions<'tcx> { fn normalize<T>(&self, tcx: TyCtxt<'tcx>, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { tcx.fold_regions(value, |r, _db| self.resolve_region(tcx, r)) } @@ -1046,7 +1046,7 @@ impl<'tcx> LexicalRegionResolutions<'tcx> { ty::ReVar(rid) => match self.values[rid] { VarValue::Empty(_) => r, VarValue::Value(r) => r, - VarValue::ErrorValue => tcx.mk_re_error_misc(), + VarValue::ErrorValue => tcx.lifetimes.re_static, }, _ => r, }; diff --git a/compiler/rustc_infer/src/infer/lub.rs b/compiler/rustc_infer/src/infer/lub.rs index f997171b97f..c871ccb21f8 100644 --- a/compiler/rustc_infer/src/infer/lub.rs +++ b/compiler/rustc_infer/src/infer/lub.rs @@ -7,7 +7,7 @@ use super::Subtype; use crate::traits::{ObligationCause, PredicateObligations}; use rustc_middle::ty::relate::{Relate, RelateResult, TypeRelation}; -use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; /// "Least upper bound" (common supertype) pub struct Lub<'combine, 'infcx, 'tcx> { @@ -148,10 +148,7 @@ impl<'combine, 'infcx, 'tcx> LatticeDir<'infcx, 'tcx> for Lub<'combine, 'infcx, } impl<'tcx> ObligationEmittingRelation<'tcx> for Lub<'_, '_, 'tcx> { - fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ty::ToPredicate<'tcx>>, - ) { + fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ty::ToPredicate<'tcx>>) { self.fields.register_predicates(obligations); } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index aa316b2dadb..cf8007c964d 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -26,10 +26,10 @@ use rustc_middle::mir::ConstraintCategory; use rustc_middle::traits::select; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BoundVarReplacerDelegate; -use rustc_middle::ty::fold::{ir::TypeFolder, TypeFoldable, TypeSuperFoldable}; +use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::relate::RelateResult; use rustc_middle::ty::subst::{GenericArg, GenericArgKind, InternalSubsts, SubstsRef}; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::{TypeVisitable, TypeVisitableExt}; pub use rustc_middle::ty::IntVarValue; use rustc_middle::ty::{self, GenericParamDefKind, InferConst, InferTy, Ty, TyCtxt}; use rustc_middle::ty::{ConstVid, FloatVid, IntVid, TyVid}; @@ -264,7 +264,7 @@ pub struct InferCtxt<'tcx> { /// short lived InferCtxt within queries. The opaque type obligations are forwarded /// to the outside until the end up in an `InferCtxt` for typeck or borrowck. /// - /// It is default value is `DefiningAnchor::Error`, this way it is easier to catch errors that + /// Its default value is `DefiningAnchor::Error`, this way it is easier to catch errors that /// might come up during inference or typeck. pub defining_use_anchor: DefiningAnchor, @@ -617,7 +617,7 @@ impl<'tcx> InferCtxtBuilder<'tcx> { canonical: &Canonical<'tcx, T>, ) -> (InferCtxt<'tcx>, T, CanonicalVarValues<'tcx>) where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let infcx = self.build(); let (value, subst) = infcx.instantiate_canonical_with_fresh_inference_vars(span, canonical); @@ -697,7 +697,7 @@ impl<'tcx> InferCtxt<'tcx> { self.in_snapshot.get() } - pub fn freshen<T: TypeFoldable<'tcx>>(&self, t: T) -> T { + pub fn freshen<T: TypeFoldable<TyCtxt<'tcx>>>(&self, t: T) -> T { t.fold_with(&mut self.freshener()) } @@ -1111,11 +1111,13 @@ impl<'tcx> InferCtxt<'tcx> { } /// Just a convenient wrapper of `next_region_var` for using during NLL. + #[instrument(skip(self), level = "debug")] pub fn next_nll_region_var(&self, origin: NllRegionVariableOrigin) -> ty::Region<'tcx> { self.next_region_var(RegionVariableOrigin::Nll(origin)) } /// Just a convenient wrapper of `next_region_var` for using during NLL. + #[instrument(skip(self), level = "debug")] pub fn next_nll_region_var_in_universe( &self, origin: NllRegionVariableOrigin, @@ -1369,7 +1371,7 @@ impl<'tcx> InferCtxt<'tcx> { /// will be resolving them as well, e.g. in a loop). pub fn shallow_resolve<T>(&self, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { value.fold_with(&mut ShallowResolver { infcx: self }) } @@ -1386,7 +1388,7 @@ impl<'tcx> InferCtxt<'tcx> { /// at will. pub fn resolve_vars_if_possible<T>(&self, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { if !value.has_non_region_infer() { return value; @@ -1397,7 +1399,7 @@ impl<'tcx> InferCtxt<'tcx> { pub fn resolve_numeric_literals_with_default<T>(&self, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { if !value.needs_infer() { return value; // Avoid duplicated subst-folding. @@ -1412,7 +1414,7 @@ impl<'tcx> InferCtxt<'tcx> { value: &T, ) -> Option<(ty::Term<'tcx>, Option<Span>)> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { value.visit_with(&mut resolve::UnresolvedTypeOrConstFinder::new(self)).break_value() } @@ -1427,7 +1429,7 @@ impl<'tcx> InferCtxt<'tcx> { } } - pub fn fully_resolve<T: TypeFoldable<'tcx>>(&self, value: T) -> FixupResult<'tcx, T> { + pub fn fully_resolve<T: TypeFoldable<TyCtxt<'tcx>>>(&self, value: T) -> FixupResult<'tcx, T> { /*! * Attempts to resolve all type/region/const variables in * `value`. Region inference must have been run already (e.g., @@ -1460,7 +1462,7 @@ impl<'tcx> InferCtxt<'tcx> { value: ty::Binder<'tcx, T>, ) -> T where - T: TypeFoldable<'tcx> + Copy, + T: TypeFoldable<TyCtxt<'tcx>> + Copy, { if let Some(inner) = value.no_bound_vars() { return inner; diff --git a/compiler/rustc_infer/src/infer/nll_relate/mod.rs b/compiler/rustc_infer/src/infer/nll_relate/mod.rs index 644774c93c2..6e413a7f412 100644 --- a/compiler/rustc_infer/src/infer/nll_relate/mod.rs +++ b/compiler/rustc_infer/src/infer/nll_relate/mod.rs @@ -29,9 +29,9 @@ use rustc_data_structures::fx::FxHashMap; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::error::TypeError; use rustc_middle::ty::relate::{self, Relate, RelateResult, TypeRelation}; -use rustc_middle::ty::visit::{ir::TypeVisitor, TypeSuperVisitable, TypeVisitable}; +use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; use rustc_middle::ty::{self, InferConst, Ty, TyCtxt}; -use rustc_span::Span; +use rustc_span::{Span, Symbol}; use std::fmt::Debug; use std::ops::ControlFlow; @@ -100,7 +100,11 @@ pub trait TypeRelatingDelegate<'tcx> { /// we will invoke this method to instantiate `'a` with an /// inference variable (though `'b` would be instantiated first, /// as a placeholder). - fn next_existential_region_var(&mut self, was_placeholder: bool) -> ty::Region<'tcx>; + fn next_existential_region_var( + &mut self, + was_placeholder: bool, + name: Option<Symbol>, + ) -> ty::Region<'tcx>; /// Creates a new region variable representing a /// higher-ranked region that is instantiated universally. @@ -188,7 +192,7 @@ where let placeholder = ty::PlaceholderRegion { universe, name: br.kind }; delegate.next_placeholder_region(placeholder) } else { - delegate.next_existential_region_var(true) + delegate.next_existential_region_var(true, br.kind.get_name()) } } }; @@ -759,10 +763,7 @@ impl<'tcx, D> ObligationEmittingRelation<'tcx> for TypeRelating<'_, 'tcx, D> where D: TypeRelatingDelegate<'tcx>, { - fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ty::ToPredicate<'tcx>>, - ) { + fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ty::ToPredicate<'tcx>>) { self.delegate.register_obligations( obligations .into_iter() @@ -793,7 +794,7 @@ struct ScopeInstantiator<'me, 'tcx> { } impl<'me, 'tcx> TypeVisitor<TyCtxt<'tcx>> for ScopeInstantiator<'me, 'tcx> { - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &ty::Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { diff --git a/compiler/rustc_infer/src/infer/opaque_types.rs b/compiler/rustc_infer/src/infer/opaque_types.rs index 5635e8adf34..d5c824d4c41 100644 --- a/compiler/rustc_infer/src/infer/opaque_types.rs +++ b/compiler/rustc_infer/src/infer/opaque_types.rs @@ -12,8 +12,8 @@ use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::GenericArgKind; use rustc_middle::ty::{ - self, ir::TypeVisitor, OpaqueHiddenType, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, - TypeSuperVisitable, TypeVisitable, + self, OpaqueHiddenType, OpaqueTypeKey, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, + TypeVisitable, TypeVisitableExt, TypeVisitor, }; use rustc_span::Span; @@ -45,7 +45,7 @@ pub struct OpaqueTypeDecl<'tcx> { impl<'tcx> InferCtxt<'tcx> { /// This is a backwards compatibility hack to prevent breaking changes from /// lazy TAIT around RPIT handling. - pub fn replace_opaque_types_with_inference_vars<T: TypeFoldable<'tcx>>( + pub fn replace_opaque_types_with_inference_vars<T: TypeFoldable<TyCtxt<'tcx>>>( &self, value: T, body_id: LocalDefId, @@ -57,9 +57,7 @@ impl<'tcx> InferCtxt<'tcx> { } let mut obligations = vec![]; let replace_opaque_type = |def_id: DefId| { - def_id - .as_local() - .map_or(false, |def_id| self.opaque_type_origin(def_id, span).is_some()) + def_id.as_local().map_or(false, |def_id| self.opaque_type_origin(def_id).is_some()) }; let value = value.fold_with(&mut BottomUpFolder { tcx: self.tcx, @@ -144,9 +142,9 @@ impl<'tcx> InferCtxt<'tcx> { // let x = || foo(); // returns the Opaque assoc with `foo` // } // ``` - self.opaque_type_origin(def_id, cause.span)? + self.opaque_type_origin(def_id)? } - DefiningAnchor::Bubble => self.opaque_ty_origin_unchecked(def_id, cause.span), + DefiningAnchor::Bubble => self.opaque_type_origin_unchecked(def_id), DefiningAnchor::Error => return None, }; if let ty::Alias(ty::Opaque, ty::AliasTy { def_id: b_def_id, .. }) = *b.kind() { @@ -155,9 +153,8 @@ impl<'tcx> InferCtxt<'tcx> { // no one encounters it in practice. // It does occur however in `fn fut() -> impl Future<Output = i32> { async { 42 } }`, // where it is of no concern, so we only check for TAITs. - if let Some(OpaqueTyOrigin::TyAlias) = b_def_id - .as_local() - .and_then(|b_def_id| self.opaque_type_origin(b_def_id, cause.span)) + if let Some(OpaqueTyOrigin::TyAlias) = + b_def_id.as_local().and_then(|b_def_id| self.opaque_type_origin(b_def_id)) { self.tcx.sess.emit_err(OpaqueHiddenTypeDiag { span: cause.span, @@ -371,24 +368,18 @@ impl<'tcx> InferCtxt<'tcx> { }); } + /// Returns the origin of the opaque type `def_id` if we're currently + /// in its defining scope. #[instrument(skip(self), level = "trace", ret)] - pub fn opaque_type_origin(&self, def_id: LocalDefId, span: Span) -> Option<OpaqueTyOrigin> { + pub fn opaque_type_origin(&self, def_id: LocalDefId) -> Option<OpaqueTyOrigin> { let opaque_hir_id = self.tcx.hir().local_def_id_to_hir_id(def_id); let parent_def_id = match self.defining_use_anchor { DefiningAnchor::Bubble | DefiningAnchor::Error => return None, DefiningAnchor::Bind(bind) => bind, }; - let item_kind = &self.tcx.hir().expect_item(def_id).kind; - - let hir::ItemKind::OpaqueTy(hir::OpaqueTy { origin, .. }) = item_kind else { - span_bug!( - span, - "weird opaque type: {:#?}, {:#?}", - def_id, - item_kind - ) - }; - let in_definition_scope = match *origin { + + let origin = self.opaque_type_origin_unchecked(def_id); + let in_definition_scope = match origin { // Async `impl Trait` hir::OpaqueTyOrigin::AsyncFn(parent) => parent == parent_def_id, // Anonymous `impl Trait` @@ -398,16 +389,17 @@ impl<'tcx> InferCtxt<'tcx> { may_define_opaque_type(self.tcx, parent_def_id, opaque_hir_id) } }; - trace!(?origin); - in_definition_scope.then_some(*origin) + in_definition_scope.then_some(origin) } + /// Returns the origin of the opaque type `def_id` even if we are not in its + /// defining scope. #[instrument(skip(self), level = "trace", ret)] - fn opaque_ty_origin_unchecked(&self, def_id: LocalDefId, span: Span) -> OpaqueTyOrigin { + fn opaque_type_origin_unchecked(&self, def_id: LocalDefId) -> OpaqueTyOrigin { match self.tcx.hir().expect_item(def_id).kind { hir::ItemKind::OpaqueTy(hir::OpaqueTy { origin, .. }) => origin, ref itemkind => { - span_bug!(span, "weird opaque type: {:?}, {:#?}", def_id, itemkind) + bug!("weird opaque type: {:?}, {:#?}", def_id, itemkind) } } } @@ -435,7 +427,7 @@ impl<'tcx, OP> TypeVisitor<TyCtxt<'tcx>> for ConstrainOpaqueTypeRegionVisitor<'t where OP: FnMut(ty::Region<'tcx>), { - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &ty::Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -553,8 +545,11 @@ impl<'tcx> InferCtxt<'tcx> { origin, ); if let Some(prev) = prev { - obligations = - self.at(&cause, param_env).eq_exp(a_is_expected, prev, hidden_ty)?.obligations; + obligations = self + .at(&cause, param_env) + .define_opaque_types(true) + .eq_exp(a_is_expected, prev, hidden_ty)? + .obligations; } let item_bounds = tcx.bound_explicit_item_bounds(def_id.to_def_id()); diff --git a/compiler/rustc_infer/src/infer/outlives/components.rs b/compiler/rustc_infer/src/infer/outlives/components.rs index e3d95669171..ff23087fe8d 100644 --- a/compiler/rustc_infer/src/infer/outlives/components.rs +++ b/compiler/rustc_infer/src/infer/outlives/components.rs @@ -4,7 +4,7 @@ use rustc_data_structures::sso::SsoHashSet; use rustc_middle::ty::subst::{GenericArg, GenericArgKind}; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use smallvec::{smallvec, SmallVec}; #[derive(Debug)] diff --git a/compiler/rustc_infer/src/infer/outlives/obligations.rs b/compiler/rustc_infer/src/infer/outlives/obligations.rs index 0194549a886..bbe7d4c63f7 100644 --- a/compiler/rustc_infer/src/infer/outlives/obligations.rs +++ b/compiler/rustc_infer/src/infer/outlives/obligations.rs @@ -69,7 +69,7 @@ use crate::traits::{ObligationCause, ObligationCauseCode}; use rustc_data_structures::undo_log::UndoLogs; use rustc_middle::mir::ConstraintCategory; use rustc_middle::ty::subst::GenericArgKind; -use rustc_middle::ty::{self, Region, SubstsRef, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Region, SubstsRef, Ty, TyCtxt, TypeVisitableExt}; use smallvec::smallvec; impl<'tcx> InferCtxt<'tcx> { diff --git a/compiler/rustc_infer/src/infer/outlives/test_type_match.rs b/compiler/rustc_infer/src/infer/outlives/test_type_match.rs index 10b474efd5a..3c6cc2b9001 100644 --- a/compiler/rustc_infer/src/infer/outlives/test_type_match.rs +++ b/compiler/rustc_infer/src/infer/outlives/test_type_match.rs @@ -1,7 +1,7 @@ use std::collections::hash_map::Entry; use rustc_data_structures::fx::FxHashMap; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{ self, error::TypeError, @@ -186,7 +186,8 @@ impl<'tcx> TypeRelation<'tcx> for Match<'tcx> { #[instrument(skip(self), level = "debug")] fn tys(&mut self, pattern: Ty<'tcx>, value: Ty<'tcx>) -> RelateResult<'tcx, Ty<'tcx>> { - if let ty::Error(_) = pattern.kind() { + // FIXME(non_lifetime_binders): What to do here? + if matches!(pattern.kind(), ty::Error(_) | ty::Bound(..)) { // Unlike normal `TypeRelation` rules, `ty::Error` does not equal any type. self.no_match() } else if pattern == value { diff --git a/compiler/rustc_infer/src/infer/resolve.rs b/compiler/rustc_infer/src/infer/resolve.rs index 2c246a5787c..5bb35832930 100644 --- a/compiler/rustc_infer/src/infer/resolve.rs +++ b/compiler/rustc_infer/src/infer/resolve.rs @@ -1,11 +1,8 @@ use super::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use super::{FixupError, FixupResult, InferCtxt, Span}; use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; -use rustc_middle::ty::fold::{ - ir::{FallibleTypeFolder, TypeFolder}, - TypeSuperFoldable, -}; -use rustc_middle::ty::visit::{ir::TypeVisitor, TypeSuperVisitable}; +use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFolder, TypeSuperFoldable}; +use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitableExt, TypeVisitor}; use rustc_middle::ty::{self, Const, InferConst, Ty, TyCtxt, TypeFoldable}; use std::ops::ControlFlow; @@ -200,7 +197,7 @@ impl<'a, 'tcx> TypeVisitor<TyCtxt<'tcx>> for UnresolvedTypeOrConstFinder<'a, 'tc /// then an `Err` result is returned. pub fn fully_resolve<'tcx, T>(infcx: &InferCtxt<'tcx>, value: T) -> FixupResult<'tcx, T> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { value.try_fold_with(&mut FullTypeResolver { infcx }) } diff --git a/compiler/rustc_infer/src/infer/sub.rs b/compiler/rustc_infer/src/infer/sub.rs index bf1b3441547..3e8c2052de8 100644 --- a/compiler/rustc_infer/src/infer/sub.rs +++ b/compiler/rustc_infer/src/infer/sub.rs @@ -3,7 +3,7 @@ use super::{ObligationEmittingRelation, SubregionOrigin}; use crate::traits::{Obligation, PredicateObligations}; use rustc_middle::ty::relate::{Cause, Relate, RelateResult, TypeRelation}; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::TyVar; use rustc_middle::ty::{self, Ty, TyCtxt}; use std::mem; @@ -126,7 +126,7 @@ impl<'tcx> TypeRelation<'tcx> for Sub<'_, '_, 'tcx> { (&ty::Error(e), _) | (_, &ty::Error(e)) => { infcx.set_tainted_by_errors(e); - Ok(self.tcx().ty_error_with_guaranteed(e)) + Ok(self.tcx().ty_error(e)) } ( @@ -228,10 +228,7 @@ impl<'tcx> TypeRelation<'tcx> for Sub<'_, '_, 'tcx> { } impl<'tcx> ObligationEmittingRelation<'tcx> for Sub<'_, '_, 'tcx> { - fn register_predicates( - &mut self, - obligations: impl IntoIterator<Item = impl ty::ToPredicate<'tcx>>, - ) { + fn register_predicates(&mut self, obligations: impl IntoIterator<Item: ty::ToPredicate<'tcx>>) { self.fields.register_predicates(obligations); } diff --git a/compiler/rustc_infer/src/lib.rs b/compiler/rustc_infer/src/lib.rs index 4c119a44355..bdc313c2141 100644 --- a/compiler/rustc_infer/src/lib.rs +++ b/compiler/rustc_infer/src/lib.rs @@ -13,6 +13,7 @@ //! This API is completely unstable and subject to change. #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] +#![feature(associated_type_bounds)] #![feature(box_patterns)] #![feature(control_flow_enum)] #![feature(extend_one)] @@ -33,6 +34,11 @@ extern crate tracing; #[macro_use] extern crate rustc_middle; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + mod errors; pub mod infer; pub mod traits; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_infer/src/traits/structural_impls.rs b/compiler/rustc_infer/src/traits/structural_impls.rs index 95df6cd62b9..3a5273b0359 100644 --- a/compiler/rustc_infer/src/traits/structural_impls.rs +++ b/compiler/rustc_infer/src/traits/structural_impls.rs @@ -2,7 +2,7 @@ use crate::traits; use crate::traits::project::Normalized; use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFoldable}; use rustc_middle::ty::visit::{TypeVisitable, TypeVisitor}; -use rustc_middle::ty::{self, ir, TyCtxt}; +use rustc_middle::ty::{self, TyCtxt}; use std::fmt; use std::ops::ControlFlow; @@ -61,8 +61,13 @@ impl<'tcx> fmt::Debug for traits::MismatchedProjectionTypes<'tcx> { /////////////////////////////////////////////////////////////////////////// // TypeFoldable implementations. -impl<'tcx, O: TypeFoldable<'tcx>> ir::TypeFoldable<TyCtxt<'tcx>> for traits::Obligation<'tcx, O> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx, O: TypeFoldable<TyCtxt<'tcx>>> TypeFoldable<TyCtxt<'tcx>> + for traits::Obligation<'tcx, O> +{ + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { Ok(traits::Obligation { cause: self.cause, recursion_depth: self.recursion_depth, @@ -72,8 +77,10 @@ impl<'tcx, O: TypeFoldable<'tcx>> ir::TypeFoldable<TyCtxt<'tcx>> for traits::Obl } } -impl<'tcx, O: TypeVisitable<'tcx>> ir::TypeVisitable<TyCtxt<'tcx>> for traits::Obligation<'tcx, O> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx, O: TypeVisitable<TyCtxt<'tcx>>> TypeVisitable<TyCtxt<'tcx>> + for traits::Obligation<'tcx, O> +{ + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { self.predicate.visit_with(visitor)?; self.param_env.visit_with(visitor) } diff --git a/compiler/rustc_interface/Cargo.toml b/compiler/rustc_interface/Cargo.toml index 955ab3c4680..ac6e8fca695 100644 --- a/compiler/rustc_interface/Cargo.toml +++ b/compiler/rustc_interface/Cargo.toml @@ -24,6 +24,7 @@ rustc_middle = { path = "../rustc_middle" } rustc_ast_lowering = { path = "../rustc_ast_lowering" } rustc_ast_passes = { path = "../rustc_ast_passes" } rustc_incremental = { path = "../rustc_incremental" } +rustc_index = { path = "../rustc_index" } rustc_traits = { path = "../rustc_traits" } rustc_data_structures = { path = "../rustc_data_structures" } rustc_codegen_ssa = { path = "../rustc_codegen_ssa" } diff --git a/compiler/rustc_error_messages/locales/en-US/interface.ftl b/compiler/rustc_interface/locales/en-US.ftl index a7bc0e7af1f..a7bc0e7af1f 100644 --- a/compiler/rustc_error_messages/locales/en-US/interface.ftl +++ b/compiler/rustc_interface/locales/en-US.ftl diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs index d504aea77d0..5e38ca034ac 100644 --- a/compiler/rustc_interface/src/interface.rs +++ b/compiler/rustc_interface/src/interface.rs @@ -222,6 +222,7 @@ pub struct Config { pub output_dir: Option<PathBuf>, pub output_file: Option<PathBuf>, pub file_loader: Option<Box<dyn FileLoader + Send + Sync>>, + pub locale_resources: &'static [&'static str], pub lint_caps: FxHashMap<lint::LintId, lint::Level>, @@ -267,6 +268,7 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se config.opts, config.crate_cfg, config.crate_check_cfg, + config.locale_resources, config.file_loader, CompilerIO { input: config.input, diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs index 82bc4770b6b..1abbe8d4fab 100644 --- a/compiler/rustc_interface/src/lib.rs +++ b/compiler/rustc_interface/src/lib.rs @@ -12,6 +12,9 @@ #[macro_use] extern crate tracing; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + mod callbacks; mod errors; pub mod interface; @@ -27,3 +30,5 @@ pub use queries::Queries; #[cfg(test)] mod tests; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 6a94d19001e..aa59654099a 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -8,11 +8,12 @@ use rustc_ast::{self as ast, visit}; use rustc_borrowck as mir_borrowck; use rustc_codegen_ssa::traits::CodegenBackend; use rustc_data_structures::parallel; +use rustc_data_structures::steal::Steal; use rustc_data_structures::sync::{Lrc, OnceCell, WorkerLocal}; -use rustc_errors::{ErrorGuaranteed, PResult}; +use rustc_errors::PResult; use rustc_expand::base::{ExtCtxt, LintStoreExpand, ResolverExpand}; use rustc_hir::def_id::{StableCrateId, LOCAL_CRATE}; -use rustc_lint::{BufferedEarlyLint, EarlyCheckNode, LintStore}; +use rustc_lint::{unerased_lint_store, BufferedEarlyLint, EarlyCheckNode, LintStore}; use rustc_metadata::creader::CStore; use rustc_middle::arena::Arena; use rustc_middle::dep_graph::DepGraph; @@ -171,14 +172,12 @@ impl LintStoreExpand for LintStoreExpandImpl<'_> { /// syntax expansion, secondary `cfg` expansion, synthesis of a test /// harness if one is to be provided, injection of a dependency on the /// standard library and prelude, and name resolution. -pub fn configure_and_expand( - sess: &Session, - lint_store: &LintStore, - mut krate: ast::Crate, - crate_name: Symbol, - resolver: &mut Resolver<'_, '_>, -) -> Result<ast::Crate> { - trace!("configure_and_expand"); +#[instrument(level = "trace", skip(krate, resolver))] +fn configure_and_expand(mut krate: ast::Crate, resolver: &mut Resolver<'_, '_>) -> ast::Crate { + let tcx = resolver.tcx(); + let sess = tcx.sess; + let lint_store = unerased_lint_store(tcx); + let crate_name = tcx.crate_name(LOCAL_CRATE); pre_expansion_lint(sess, lint_store, resolver.registered_tools(), &krate, crate_name); rustc_builtin_macros::register_builtin_macros(resolver); @@ -249,20 +248,19 @@ pub fn configure_and_expand( ecx.check_unused_macros(); }); - let recursion_limit_hit = ecx.reduced_recursion_limit.is_some(); + // If we hit a recursion limit, exit early to avoid later passes getting overwhelmed + // with a large AST + if ecx.reduced_recursion_limit.is_some() { + sess.abort_if_errors(); + unreachable!(); + } if cfg!(windows) { env::set_var("PATH", &old_path); } - if recursion_limit_hit { - // If we hit a recursion limit, exit early to avoid later passes getting overwhelmed - // with a large AST - Err(ErrorGuaranteed::unchecked_claim_error_was_emitted()) - } else { - Ok(krate) - } - })?; + krate + }); sess.time("maybe_building_test_harness", || { rustc_builtin_macros::test_harness::inject(sess, resolver, &mut krate) @@ -365,7 +363,7 @@ pub fn configure_and_expand( ) }); - Ok(krate) + krate } // Returns all the paths that correspond to generated files. @@ -564,6 +562,28 @@ fn write_out_deps( } } +fn resolver_for_lowering<'tcx>( + tcx: TyCtxt<'tcx>, + (): (), +) -> &'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)> { + let arenas = Resolver::arenas(); + let krate = tcx.crate_for_resolver(()).steal(); + let mut resolver = Resolver::new(tcx, &krate, &arenas); + let krate = configure_and_expand(krate, &mut resolver); + + // Make sure we don't mutate the cstore from here on. + tcx.untracked().cstore.leak(); + + let ty::ResolverOutputs { + global_ctxt: untracked_resolutions, + ast_lowering: untracked_resolver_for_lowering, + } = resolver.into_outputs(); + + let feed = tcx.feed_unit_query(); + feed.resolutions(tcx.arena.alloc(untracked_resolutions)); + tcx.arena.alloc(Steal::new((untracked_resolver_for_lowering, Lrc::new(krate)))) +} + fn output_filenames(tcx: TyCtxt<'_>, (): ()) -> Arc<OutputFilenames> { let sess = tcx.sess; let _timer = sess.timer("prepare_outputs"); @@ -597,7 +617,7 @@ fn output_filenames(tcx: TyCtxt<'_>, (): ()) -> Arc<OutputFilenames> { } } - write_out_deps(sess, tcx.cstore_untracked(), &outputs, &output_paths); + write_out_deps(sess, &*tcx.cstore_untracked(), &outputs, &output_paths); let only_dep_info = sess.opts.output_types.contains_key(&OutputType::DepInfo) && sess.opts.output_types.len() == 1; @@ -618,6 +638,7 @@ pub static DEFAULT_QUERY_PROVIDERS: LazyLock<Providers> = LazyLock::new(|| { providers.analysis = analysis; providers.hir_crate = rustc_ast_lowering::lower_to_hir; providers.output_filenames = output_filenames; + providers.resolver_for_lowering = resolver_for_lowering; proc_macro_decls::provide(providers); rustc_const_eval::provide(providers); rustc_middle::hir::provide(providers); diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs index d727efdafc2..a96cc95a384 100644 --- a/compiler/rustc_interface/src/queries.rs +++ b/compiler/rustc_interface/src/queries.rs @@ -7,16 +7,18 @@ use rustc_codegen_ssa::traits::CodegenBackend; use rustc_codegen_ssa::CodegenResults; use rustc_data_structures::steal::Steal; use rustc_data_structures::svh::Svh; -use rustc_data_structures::sync::{Lrc, OnceCell, WorkerLocal}; -use rustc_hir::def_id::LOCAL_CRATE; +use rustc_data_structures::sync::{AppendOnlyVec, Lrc, OnceCell, RwLock, WorkerLocal}; +use rustc_hir::def_id::{CRATE_DEF_ID, LOCAL_CRATE}; +use rustc_hir::definitions::Definitions; use rustc_incremental::DepGraphFuture; use rustc_lint::LintStore; +use rustc_metadata::creader::CStore; use rustc_middle::arena::Arena; use rustc_middle::dep_graph::DepGraph; -use rustc_middle::ty::{self, GlobalCtxt, TyCtxt}; +use rustc_middle::ty::{GlobalCtxt, TyCtxt}; use rustc_query_impl::Queries as TcxQueries; -use rustc_resolve::Resolver; use rustc_session::config::{self, OutputFilenames, OutputType}; +use rustc_session::cstore::Untracked; use rustc_session::{output::find_crate_name, Session}; use rustc_span::symbol::sym; use rustc_span::Symbol; @@ -187,35 +189,17 @@ impl<'tcx> Queries<'tcx> { self.gcx.compute(|| { let crate_name = *self.crate_name()?.borrow(); let (krate, lint_store) = self.register_plugins()?.steal(); - let (krate, resolver_outputs) = { - let _timer = self.session().timer("configure_and_expand"); - let sess = self.session(); - - let arenas = Resolver::arenas(); - let mut resolver = Resolver::new( - sess, - &krate, - crate_name, - self.codegen_backend().metadata_loader(), - &arenas, - ); - let krate = passes::configure_and_expand( - sess, - &lint_store, - krate, - crate_name, - &mut resolver, - )?; - (Lrc::new(krate), resolver.into_outputs()) - }; - - let ty::ResolverOutputs { - untracked, - global_ctxt: untracked_resolutions, - ast_lowering: untracked_resolver_for_lowering, - } = resolver_outputs; - let gcx = passes::create_global_ctxt( + let sess = self.session(); + + let cstore = RwLock::new(Box::new(CStore::new(sess)) as _); + let definitions = RwLock::new(Definitions::new(sess.local_stable_crate_id())); + let source_span = AppendOnlyVec::new(); + let _id = source_span.push(krate.spans.inner_span); + debug_assert_eq!(_id, CRATE_DEF_ID); + let untracked = Untracked { cstore, source_span, definitions }; + + let qcx = passes::create_global_ctxt( self.compiler, lint_store, self.dep_graph()?.steal(), @@ -226,17 +210,18 @@ impl<'tcx> Queries<'tcx> { &self.hir_arena, ); - gcx.enter(|tcx| { + qcx.enter(|tcx| { + let feed = tcx.feed_local_crate(); + feed.crate_name(crate_name); + let feed = tcx.feed_unit_query(); - feed.resolver_for_lowering( - tcx.arena.alloc(Steal::new((untracked_resolver_for_lowering, krate))), + feed.crate_for_resolver(tcx.arena.alloc(Steal::new(krate))); + feed.metadata_loader( + tcx.arena.alloc(Steal::new(self.codegen_backend().metadata_loader())), ); - feed.resolutions(tcx.arena.alloc(untracked_resolutions)); feed.features_query(tcx.sess.features_untracked()); - let feed = tcx.feed_local_crate(); - feed.crate_name(crate_name); }); - Ok(gcx) + Ok(qcx) }) } diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index ac32988d3ac..71a72036994 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -50,7 +50,7 @@ fn mk_session(matches: getopts::Matches) -> (Session, CfgSpecs) { output_file: None, temps_dir, }; - let sess = build_session(sessopts, io, None, registry, Default::default(), None, None); + let sess = build_session(sessopts, io, None, registry, vec![], Default::default(), None, None); (sess, cfg) } @@ -776,7 +776,6 @@ fn test_unstable_options_tracking_hash() { tracked!(packed_bundled_libs, true); tracked!(panic_abort_tests, true); tracked!(panic_in_drop, PanicStrategy::Abort); - tracked!(pick_stable_methods_before_any_unstable, false); tracked!(plt, Some(true)); tracked!(polonius, true); tracked!(precise_enum_drop_elaboration, false); diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs index e4b4d5375e6..e5d2fb2ea28 100644 --- a/compiler/rustc_interface/src/util.rs +++ b/compiler/rustc_interface/src/util.rs @@ -14,8 +14,8 @@ use rustc_session::filesearch::sysroot_candidates; use rustc_session::lint::{self, BuiltinLintDiagnostics, LintBuffer}; use rustc_session::parse::CrateConfig; use rustc_session::{early_error, filesearch, output, Session}; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::source_map::FileLoader; use rustc_span::symbol::{sym, Symbol}; use session::CompilerIO; @@ -59,6 +59,7 @@ pub fn create_session( sopts: config::Options, cfg: FxHashSet<(String, Option<String>)>, check_cfg: CheckCfg, + locale_resources: &'static [&'static str], file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>, io: CompilerIO, lint_caps: FxHashMap<lint::LintId, lint::Level>, @@ -89,11 +90,15 @@ pub fn create_session( } }; + let mut locale_resources = Vec::from(locale_resources); + locale_resources.push(codegen_backend.locale_resource()); + let mut sess = session::build_session( sopts, io, bundle, descriptions, + locale_resources, lint_caps, file_loader, target_override, diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index 6e815863d06..e6f04fe0aaa 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -95,7 +95,7 @@ pub enum TokenKind { Literal { kind: LiteralKind, suffix_start: u32 }, /// "'a" - Lifetime { starts_with_number: bool }, + Lifetime { starts_with_number: bool, contains_emoji: bool }, // One-char tokens: /// ";" @@ -630,7 +630,13 @@ impl Cursor<'_> { // If the first symbol is valid for identifier, it can be a lifetime. // Also check if it's a number for a better error reporting (so '0 will // be reported as invalid lifetime and not as unterminated char literal). - is_id_start(self.first()) || self.first().is_digit(10) + // We also have to account for potential `'🐱` emojis to avoid reporting + // it as an unterminated char literal. + is_id_start(self.first()) + || self.first().is_digit(10) + // FIXME(#108019): `unic-emoji-char` seems to have data tables only up to Unicode + // 5.0, but Unicode is already newer than this. + || unic_emoji_char::is_emoji(self.first()) }; if !can_be_a_lifetime { @@ -643,16 +649,33 @@ impl Cursor<'_> { return Literal { kind, suffix_start }; } - // Either a lifetime or a character literal with - // length greater than 1. + // Either a lifetime or a character literal. let starts_with_number = self.first().is_digit(10); + let mut contains_emoji = false; - // Skip the literal contents. - // First symbol can be a number (which isn't a valid identifier start), - // so skip it without any checks. - self.bump(); - self.eat_while(is_id_continue); + // FIXME(#108019): `unic-emoji-char` seems to have data tables only up to Unicode + // 5.0, but Unicode is already newer than this. + if unic_emoji_char::is_emoji(self.first()) { + contains_emoji = true; + } else { + // Skip the literal contents. + // First symbol can be a number (which isn't a valid identifier start), + // so skip it without any checks. + self.bump(); + } + self.eat_while(|c| { + if is_id_continue(c) { + true + // FIXME(#108019): `unic-emoji-char` seems to have data tables only up to Unicode + // 5.0, but Unicode is already newer than this. + } else if unic_emoji_char::is_emoji(c) { + contains_emoji = true; + true + } else { + false + } + }); // Check if after skipping literal contents we've met a closing // single quote (which means that user attempted to create a @@ -662,7 +685,7 @@ impl Cursor<'_> { let kind = Char { terminated: true }; Literal { kind, suffix_start: self.pos_within_token() } } else { - Lifetime { starts_with_number } + Lifetime { starts_with_number, contains_emoji } } } diff --git a/compiler/rustc_lexer/src/tests.rs b/compiler/rustc_lexer/src/tests.rs index e4c1787f2cc..670d64fb983 100644 --- a/compiler/rustc_lexer/src/tests.rs +++ b/compiler/rustc_lexer/src/tests.rs @@ -235,7 +235,7 @@ fn lifetime() { check_lexing( "'abc", expect![[r#" - Token { kind: Lifetime { starts_with_number: false }, len: 4 } + Token { kind: Lifetime { starts_with_number: false, contains_emoji: false }, len: 4 } "#]], ); } diff --git a/compiler/rustc_error_messages/locales/en-US/lint.ftl b/compiler/rustc_lint/locales/en-US.ftl index b1e7cc69a80..b1e7cc69a80 100644 --- a/compiler/rustc_error_messages/locales/en-US/lint.ftl +++ b/compiler/rustc_lint/locales/en-US.ftl diff --git a/compiler/rustc_lint/src/array_into_iter.rs b/compiler/rustc_lint/src/array_into_iter.rs index 3593f141df6..bccb0a94e98 100644 --- a/compiler/rustc_lint/src/array_into_iter.rs +++ b/compiler/rustc_lint/src/array_into_iter.rs @@ -1,5 +1,7 @@ -use crate::lints::{ArrayIntoIterDiag, ArrayIntoIterDiagSub}; -use crate::{LateContext, LateLintPass, LintContext}; +use crate::{ + lints::{ArrayIntoIterDiag, ArrayIntoIterDiagSub}, + LateContext, LateLintPass, LintContext, +}; use rustc_hir as hir; use rustc_middle::ty; use rustc_middle::ty::adjustment::{Adjust, Adjustment}; diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 11fb1f80a11..4da7f3f502f 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -20,6 +20,7 @@ //! If you define a new `LateLintPass`, you will also need to add it to the //! `late_lint_methods!` invocation in `lib.rs`. +use crate::fluent_generated as fluent; use crate::{ errors::BuiltinEllpisisInclusiveRangePatterns, lints::{ @@ -50,7 +51,7 @@ use rustc_ast::{self as ast, *}; use rustc_ast_pretty::pprust::{self, expr_to_string}; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::stack::ensure_sufficient_stack; -use rustc_errors::{fluent, Applicability, DecorateLint, MultiSpan}; +use rustc_errors::{Applicability, DecorateLint, MultiSpan}; use rustc_feature::{deprecated_attributes, AttributeGate, BuiltinAttribute, GateIssue, Stability}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; @@ -1583,7 +1584,7 @@ declare_lint_pass!( impl<'tcx> LateLintPass<'tcx> for TrivialConstraints { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'tcx>) { - use rustc_middle::ty::visit::TypeVisitable; + use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::Clause; use rustc_middle::ty::PredicateKind::*; @@ -2635,7 +2636,13 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { cx.emit_spanned_lint( INVALID_VALUE, expr.span, - BuiltinUnpermittedTypeInit { msg, ty: conjured_ty, label: expr.span, sub }, + BuiltinUnpermittedTypeInit { + msg, + ty: conjured_ty, + label: expr.span, + sub, + tcx: cx.tcx, + }, ); } } diff --git a/compiler/rustc_lint/src/context.rs b/compiler/rustc_lint/src/context.rs index 9a9e2de7b5c..aace4974cc9 100644 --- a/compiler/rustc_lint/src/context.rs +++ b/compiler/rustc_lint/src/context.rs @@ -39,7 +39,7 @@ use rustc_middle::ty::{self, print::Printer, subst::GenericArg, RegisteredTools, use rustc_session::lint::{BuiltinLintDiagnostics, LintExpectationId}; use rustc_session::lint::{FutureIncompatibleInfo, Level, Lint, LintBuffer, LintId}; use rustc_session::Session; -use rustc_span::lev_distance::find_best_match_for_name; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::symbol::{sym, Ident, Symbol}; use rustc_span::{BytePos, Span}; use rustc_target::abi; diff --git a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs index 65a686857e5..ccf95992a6e 100644 --- a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs +++ b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs @@ -78,7 +78,7 @@ impl<'tcx> LateLintPass<'tcx> for DerefIntoDynSupertrait { }); cx.emit_spanned_lint(DEREF_INTO_DYN_SUPERTRAIT, cx.tcx.def_span(item.owner_id.def_id), SupertraitAsDerefTarget { t, - target_principal: target_principal.to_string(), + target_principal, label, }); } diff --git a/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs b/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs index 73bd4173270..f1ba192f2bc 100644 --- a/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs +++ b/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs @@ -4,7 +4,7 @@ use crate::{ LateContext, LateLintPass, }; use rustc_hir as hir; -use rustc_middle::ty::{visit::TypeVisitable, Ty}; +use rustc_middle::ty::{visit::TypeVisitableExt, Ty}; use rustc_span::{symbol::sym, Span}; declare_lint! { diff --git a/compiler/rustc_lint/src/errors.rs b/compiler/rustc_lint/src/errors.rs index f3ae2609186..9af5284df1e 100644 --- a/compiler/rustc_lint/src/errors.rs +++ b/compiler/rustc_lint/src/errors.rs @@ -1,6 +1,6 @@ +use crate::fluent_generated as fluent; use rustc_errors::{ - fluent, AddToDiagnostic, Diagnostic, ErrorGuaranteed, Handler, IntoDiagnostic, - SubdiagnosticMessage, + AddToDiagnostic, Diagnostic, ErrorGuaranteed, Handler, IntoDiagnostic, SubdiagnosticMessage, }; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_session::lint::Level; @@ -116,7 +116,7 @@ impl IntoDiagnostic<'_> for CheckNameUnknown { let mut diag = handler.struct_err(fluent::lint_check_name_unknown); diag.code(rustc_errors::error_code!(E0602)); if let Some(suggestion) = self.suggestion { - diag.help(fluent::help); + diag.help(fluent::lint_help); diag.set_arg("suggestion", suggestion); } diag.set_arg("lint_name", self.lint_name); diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index cca36913dea..bc7488fab4a 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -1,13 +1,16 @@ -use crate::context::{CheckLintNameResult, LintStore}; -use crate::late::unerased_lint_store; -use crate::lints::{ - DeprecatedLintName, IgnoredUnlessCrateSpecified, OverruledAtributeLint, RenamedOrRemovedLint, - RenamedOrRemovedLintSuggestion, UnknownLint, UnknownLintSuggestion, +use crate::{ + context::{CheckLintNameResult, LintStore}, + fluent_generated as fluent, + late::unerased_lint_store, + lints::{ + DeprecatedLintName, IgnoredUnlessCrateSpecified, OverruledAtributeLint, + RenamedOrRemovedLint, RenamedOrRemovedLintSuggestion, UnknownLint, UnknownLintSuggestion, + }, }; use rustc_ast as ast; use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{fluent, DecorateLint, DiagnosticBuilder, DiagnosticMessage, MultiSpan}; +use rustc_errors::{DecorateLint, DiagnosticBuilder, DiagnosticMessage, MultiSpan}; use rustc_hir as hir; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::HirId; @@ -983,7 +986,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { fluent::lint_unknown_gated_lint, |lint| { lint.set_arg("name", lint_id.lint.name_lower()); - lint.note(fluent::note); + lint.note(fluent::lint_note); add_feature_diagnostics(lint, &self.sess.parse_sess, feature); lint }, diff --git a/compiler/rustc_lint/src/lib.rs b/compiler/rustc_lint/src/lib.rs index 4ca37ef6850..2070ffea4d9 100644 --- a/compiler/rustc_lint/src/lib.rs +++ b/compiler/rustc_lint/src/lib.rs @@ -80,8 +80,10 @@ mod unused; pub use array_into_iter::ARRAY_INTO_ITER; use rustc_ast as ast; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir as hir; use rustc_hir::def_id::LocalDefId; +use rustc_macros::fluent_messages; use rustc_middle::ty::query::Providers; use rustc_middle::ty::TyCtxt; use rustc_session::lint::builtin::{ @@ -122,6 +124,8 @@ pub use rustc_session::lint::Level::{self, *}; pub use rustc_session::lint::{BufferedEarlyLint, FutureIncompatibleInfo, Lint, LintId}; pub use rustc_session::lint::{LintArray, LintPass}; +fluent_messages! { "../locales/en-US.ftl" } + pub fn provide(providers: &mut Providers) { levels::provide(providers); expect::provide(providers); diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 2e447b900e1..2d9aa9074be 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2,13 +2,16 @@ #![allow(rustc::diagnostic_outside_of_impl)] use std::num::NonZeroU32; +use crate::fluent_generated as fluent; use rustc_errors::{ - fluent, AddToDiagnostic, Applicability, DecorateLint, DiagnosticMessage, - DiagnosticStyledString, SuggestionStyle, + AddToDiagnostic, Applicability, DecorateLint, DiagnosticMessage, DiagnosticStyledString, + SuggestionStyle, }; use rustc_hir::def_id::DefId; use rustc_macros::{LintDiagnostic, Subdiagnostic}; -use rustc_middle::ty::{Predicate, Ty, TyCtxt}; +use rustc_middle::ty::{ + inhabitedness::InhabitedPredicate, PolyExistentialTraitRef, Predicate, Ty, TyCtxt, +}; use rustc_session::parse::ParseSess; use rustc_span::{edition::Edition, sym, symbol::Ident, Span, Symbol}; @@ -21,7 +24,7 @@ use crate::{ #[diag(lint_array_into_iter)] pub struct ArrayIntoIterDiag<'a> { pub target: &'a str, - #[suggestion(use_iter_suggestion, code = "iter", applicability = "machine-applicable")] + #[suggestion(lint_use_iter_suggestion, code = "iter", applicability = "machine-applicable")] pub suggestion: Span, #[subdiagnostic] pub sub: Option<ArrayIntoIterDiagSub>, @@ -29,12 +32,15 @@ pub struct ArrayIntoIterDiag<'a> { #[derive(Subdiagnostic)] pub enum ArrayIntoIterDiagSub { - #[suggestion(remove_into_iter_suggestion, code = "", applicability = "maybe-incorrect")] + #[suggestion(lint_remove_into_iter_suggestion, code = "", applicability = "maybe-incorrect")] RemoveIntoIter { #[primary_span] span: Span, }, - #[multipart_suggestion(use_explicit_into_iter_suggestion, applicability = "maybe-incorrect")] + #[multipart_suggestion( + lint_use_explicit_into_iter_suggestion, + applicability = "maybe-incorrect" + )] UseExplicitIntoIter { #[suggestion_part(code = "IntoIterator::into_iter(")] start_span: Span, @@ -161,13 +167,13 @@ pub struct BuiltinDeprecatedAttrLink<'a> { #[derive(Subdiagnostic)] pub enum BuiltinDeprecatedAttrLinkSuggestion<'a> { - #[suggestion(msg_suggestion, code = "", applicability = "machine-applicable")] + #[suggestion(lint_msg_suggestion, code = "", applicability = "machine-applicable")] Msg { #[primary_span] suggestion: Span, msg: &'a str, }, - #[suggestion(default_suggestion, code = "", applicability = "machine-applicable")] + #[suggestion(lint_default_suggestion, code = "", applicability = "machine-applicable")] Default { #[primary_span] suggestion: Span, @@ -199,9 +205,9 @@ pub struct BuiltinUnusedDocComment<'a> { #[derive(Subdiagnostic)] pub enum BuiltinUnusedDocCommentSub { - #[help(plain_help)] + #[help(lint_plain_help)] PlainHelp, - #[help(block_help)] + #[help(lint_block_help)] BlockHelp, } @@ -240,7 +246,7 @@ impl<'a> DecorateLint<'a, ()> for BuiltinUngatedAsyncFnTrackCaller<'_> { self, diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>, ) -> &'b mut rustc_errors::DiagnosticBuilder<'a, ()> { - diag.span_label(self.label, fluent::label); + diag.span_label(self.label, fluent::lint_label); rustc_session::parse::add_feature_diagnostics( diag, &self.parse_sess, @@ -335,7 +341,7 @@ impl AddToDiagnostic for BuiltinTypeAliasGenericBoundsSuggestion { ) -> rustc_errors::SubdiagnosticMessage, { diag.multipart_suggestion( - fluent::suggestion, + fluent::lint_suggestion, self.suggestions, Applicability::MachineApplicable, ); @@ -386,7 +392,7 @@ pub struct BuiltinExplicitOutlives { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion)] +#[multipart_suggestion(lint_suggestion)] pub struct BuiltinExplicitOutlivesSuggestion { #[suggestion_part(code = "")] pub spans: Vec<Span>, @@ -405,11 +411,11 @@ pub struct BuiltinIncompleteFeatures { } #[derive(Subdiagnostic)] -#[help(help)] +#[help(lint_help)] pub struct BuiltinIncompleteFeaturesHelp; #[derive(Subdiagnostic)] -#[note(note)] +#[note(lint_note)] pub struct BuiltinIncompleteFeaturesNote { pub n: NonZeroU32, } @@ -419,6 +425,7 @@ pub struct BuiltinUnpermittedTypeInit<'a> { pub ty: Ty<'a>, pub label: Span, pub sub: BuiltinUnpermittedTypeInitSub, + pub tcx: TyCtxt<'a>, } impl<'a> DecorateLint<'a, ()> for BuiltinUnpermittedTypeInit<'_> { @@ -428,7 +435,13 @@ impl<'a> DecorateLint<'a, ()> for BuiltinUnpermittedTypeInit<'_> { ) -> &'b mut rustc_errors::DiagnosticBuilder<'a, ()> { diag.set_arg("ty", self.ty); diag.span_label(self.label, fluent::lint_builtin_unpermitted_type_init_label); - diag.span_label(self.label, fluent::lint_builtin_unpermitted_type_init_label_suggestion); + if let InhabitedPredicate::True = self.ty.inhabited_predicate(self.tcx) { + // Only suggest late `MaybeUninit::assume_init` initialization if the type is inhabited. + diag.span_label( + self.label, + fluent::lint_builtin_unpermitted_type_init_label_suggestion, + ); + } self.sub.add_to_diagnostic(diag); diag } @@ -473,9 +486,9 @@ pub enum BuiltinClashingExtern<'a> { SameName { this: Symbol, orig: Symbol, - #[label(previous_decl_label)] + #[label(lint_previous_decl_label)] previous_decl_label: Span, - #[label(mismatch_label)] + #[label(lint_mismatch_label)] mismatch_label: Span, #[subdiagnostic] sub: BuiltinClashingExternSub<'a>, @@ -484,9 +497,9 @@ pub enum BuiltinClashingExtern<'a> { DiffName { this: Symbol, orig: Symbol, - #[label(previous_decl_label)] + #[label(lint_previous_decl_label)] previous_decl_label: Span, - #[label(mismatch_label)] + #[label(lint_mismatch_label)] mismatch_label: Span, #[subdiagnostic] sub: BuiltinClashingExternSub<'a>, @@ -556,14 +569,13 @@ pub struct BuiltinUnexpectedCliConfigValue { #[diag(lint_supertrait_as_deref_target)] pub struct SupertraitAsDerefTarget<'a> { pub t: Ty<'a>, - pub target_principal: String, - // pub target_principal: Binder<'a, ExistentialTraitRef<'b>>, + pub target_principal: PolyExistentialTraitRef<'a>, #[subdiagnostic] pub label: Option<SupertraitAsDerefTargetLabel>, } #[derive(Subdiagnostic)] -#[label(label)] +#[label(lint_label)] pub struct SupertraitAsDerefTargetLabel { #[primary_span] pub label: Span, @@ -596,7 +608,7 @@ pub struct Expectation { } #[derive(Subdiagnostic)] -#[note(rationale)] +#[note(lint_rationale)] pub struct ExpectationNote { pub rationale: Symbol, } @@ -617,13 +629,13 @@ pub struct ForLoopsOverFalliblesDiag<'a> { #[derive(Subdiagnostic)] pub enum ForLoopsOverFalliblesLoopSub<'a> { - #[suggestion(remove_next, code = ".by_ref()", applicability = "maybe-incorrect")] + #[suggestion(lint_remove_next, code = ".by_ref()", applicability = "maybe-incorrect")] RemoveNext { #[primary_span] suggestion: Span, recv_snip: String, }, - #[multipart_suggestion(use_while_let, applicability = "maybe-incorrect")] + #[multipart_suggestion(lint_use_while_let, applicability = "maybe-incorrect")] UseWhileLet { #[suggestion_part(code = "while let {var}(")] start_span: Span, @@ -634,14 +646,14 @@ pub enum ForLoopsOverFalliblesLoopSub<'a> { } #[derive(Subdiagnostic)] -#[suggestion(use_question_mark, code = "?", applicability = "maybe-incorrect")] +#[suggestion(lint_use_question_mark, code = "?", applicability = "maybe-incorrect")] pub struct ForLoopsOverFalliblesQuestionMark { #[primary_span] pub suggestion: Span, } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "maybe-incorrect")] +#[multipart_suggestion(lint_suggestion, applicability = "maybe-incorrect")] pub struct ForLoopsOverFalliblesSuggestion<'a> { pub var: &'a str, #[suggestion_part(code = "if let {var}(")] @@ -700,13 +712,13 @@ impl AddToDiagnostic for HiddenUnicodeCodepointsDiagSub { match self { HiddenUnicodeCodepointsDiagSub::Escape { spans } => { diag.multipart_suggestion_with_style( - fluent::suggestion_remove, + fluent::lint_suggestion_remove, spans.iter().map(|(_, span)| (*span, "".to_string())).collect(), Applicability::MachineApplicable, SuggestionStyle::HideCodeAlways, ); diag.multipart_suggestion( - fluent::suggestion_escape, + fluent::lint_suggestion_escape, spans .into_iter() .map(|(c, span)| { @@ -729,8 +741,8 @@ impl AddToDiagnostic for HiddenUnicodeCodepointsDiagSub { .collect::<Vec<String>>() .join(", "), ); - diag.note(fluent::suggestion_remove); - diag.note(fluent::no_suggestion_note_escape); + diag.note(fluent::lint_suggestion_remove); + diag.note(fluent::lint_no_suggestion_note_escape); } } } @@ -875,7 +887,7 @@ pub struct RenamedOrRemovedLint<'a> { } #[derive(Subdiagnostic)] -#[suggestion(suggestion, code = "{replace}", applicability = "machine-applicable")] +#[suggestion(lint_suggestion, code = "{replace}", applicability = "machine-applicable")] pub struct RenamedOrRemovedLintSuggestion<'a> { #[primary_span] pub suggestion: Span, @@ -891,7 +903,7 @@ pub struct UnknownLint { } #[derive(Subdiagnostic)] -#[suggestion(suggestion, code = "{replace}", applicability = "maybe-incorrect")] +#[suggestion(lint_suggestion, code = "{replace}", applicability = "maybe-incorrect")] pub struct UnknownLintSuggestion { #[primary_span] pub suggestion: Span, @@ -911,9 +923,9 @@ pub struct IgnoredUnlessCrateSpecified<'a> { #[note] #[help] pub struct CStringPtr { - #[label(as_ptr_label)] + #[label(lint_as_ptr_label)] pub as_ptr: Span, - #[label(unwrap_label)] + #[label(lint_unwrap_label)] pub unwrap: Span, } @@ -944,7 +956,7 @@ pub struct ConfusableIdentifierPair { #[derive(LintDiagnostic)] #[diag(lint_mixed_script_confusables)] -#[note(includes_note)] +#[note(lint_includes_note)] #[note] pub struct MixedScriptConfusables { pub set: String, @@ -964,17 +976,17 @@ impl<'a> DecorateLint<'a, ()> for NonFmtPanicUnused { diag: &'b mut rustc_errors::DiagnosticBuilder<'a, ()>, ) -> &'b mut rustc_errors::DiagnosticBuilder<'a, ()> { diag.set_arg("count", self.count); - diag.note(fluent::note); + diag.note(fluent::lint_note); if let Some(span) = self.suggestion { diag.span_suggestion( span.shrink_to_hi(), - fluent::add_args_suggestion, + fluent::lint_add_args_suggestion, ", ...", Applicability::HasPlaceholders, ); diag.span_suggestion( span.shrink_to_lo(), - fluent::add_fmt_suggestion, + fluent::lint_add_fmt_suggestion, "\"{}\", ", Applicability::MachineApplicable, ); @@ -1008,12 +1020,12 @@ pub struct NonCamelCaseType<'a> { #[derive(Subdiagnostic)] pub enum NonCamelCaseTypeSub { - #[label(label)] + #[label(lint_label)] Label { #[primary_span] span: Span, }, - #[suggestion(suggestion, code = "{replace}", applicability = "maybe-incorrect")] + #[suggestion(lint_suggestion, code = "{replace}", applicability = "maybe-incorrect")] Suggestion { #[primary_span] span: Span, @@ -1049,15 +1061,15 @@ impl AddToDiagnostic for NonSnakeCaseDiagSub { { match self { NonSnakeCaseDiagSub::Label { span } => { - diag.span_label(span, fluent::label); + diag.span_label(span, fluent::lint_label); } NonSnakeCaseDiagSub::Help => { - diag.help(fluent::help); + diag.help(fluent::lint_help); } NonSnakeCaseDiagSub::ConvertSuggestion { span, suggestion } => { diag.span_suggestion( span, - fluent::convert_suggestion, + fluent::lint_convert_suggestion, suggestion, Applicability::MaybeIncorrect, ); @@ -1065,16 +1077,16 @@ impl AddToDiagnostic for NonSnakeCaseDiagSub { NonSnakeCaseDiagSub::RenameOrConvertSuggestion { span, suggestion } => { diag.span_suggestion( span, - fluent::rename_or_convert_suggestion, + fluent::lint_rename_or_convert_suggestion, suggestion, Applicability::MaybeIncorrect, ); } NonSnakeCaseDiagSub::SuggestionAndNote { span } => { - diag.note(fluent::cannot_convert_note); + diag.note(fluent::lint_cannot_convert_note); diag.span_suggestion( span, - fluent::rename_suggestion, + fluent::lint_rename_suggestion, "", Applicability::MaybeIncorrect, ); @@ -1094,12 +1106,12 @@ pub struct NonUpperCaseGlobal<'a> { #[derive(Subdiagnostic)] pub enum NonUpperCaseGlobalSub { - #[label(label)] + #[label(lint_label)] Label { #[primary_span] span: Span, }, - #[suggestion(suggestion, code = "{replace}", applicability = "maybe-incorrect")] + #[suggestion(lint_suggestion, code = "{replace}", applicability = "maybe-incorrect")] Suggestion { #[primary_span] span: Span, @@ -1217,11 +1229,11 @@ impl AddToDiagnostic for OverflowingBinHexSign { { match self { OverflowingBinHexSign::Positive => { - diag.note(fluent::positive_note); + diag.note(fluent::lint_positive_note); } OverflowingBinHexSign::Negative => { - diag.note(fluent::negative_note); - diag.note(fluent::negative_becomes_note); + diag.note(fluent::lint_negative_note); + diag.note(fluent::lint_negative_becomes_note); } } } @@ -1230,7 +1242,7 @@ impl AddToDiagnostic for OverflowingBinHexSign { #[derive(Subdiagnostic)] pub enum OverflowingBinHexSub<'a> { #[suggestion( - suggestion, + lint_suggestion, code = "{sans_suffix}{suggestion_ty}", applicability = "machine-applicable" )] @@ -1240,7 +1252,7 @@ pub enum OverflowingBinHexSub<'a> { suggestion_ty: &'a str, sans_suffix: &'a str, }, - #[help(help)] + #[help(lint_help)] Help { suggestion_ty: &'a str }, } @@ -1257,7 +1269,7 @@ pub struct OverflowingInt<'a> { } #[derive(Subdiagnostic)] -#[help(help)] +#[help(lint_help)] pub struct OverflowingIntHelp<'a> { pub suggestion_ty: &'a str, } @@ -1309,13 +1321,13 @@ impl<'a> DecorateLint<'a, ()> for ImproperCTypes<'_> { ) -> &'b mut rustc_errors::DiagnosticBuilder<'a, ()> { diag.set_arg("ty", self.ty); diag.set_arg("desc", self.desc); - diag.span_label(self.label, fluent::label); + diag.span_label(self.label, fluent::lint_label); if let Some(help) = self.help { diag.help(help); } diag.note(self.note); if let Some(note) = self.span_note { - diag.span_note(note, fluent::note); + diag.span_note(note, fluent::lint_note); } diag } @@ -1408,7 +1420,7 @@ pub struct UnusedDef<'a, 'b> { #[derive(Subdiagnostic)] pub enum UnusedDefSuggestion { #[suggestion( - suggestion, + lint_suggestion, style = "verbose", code = "let _ = ", applicability = "machine-applicable" @@ -1452,13 +1464,13 @@ pub struct PathStatementDrop { #[derive(Subdiagnostic)] pub enum PathStatementDropSub { - #[suggestion(suggestion, code = "drop({snippet});", applicability = "machine-applicable")] + #[suggestion(lint_suggestion, code = "drop({snippet});", applicability = "machine-applicable")] Suggestion { #[primary_span] span: Span, snippet: String, }, - #[help(help)] + #[help(lint_help)] Help { #[primary_span] span: Span, @@ -1479,7 +1491,7 @@ pub struct UnusedDelim<'a> { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(lint_suggestion, applicability = "machine-applicable")] pub struct UnusedDelimSuggestion { #[suggestion_part(code = "{start_replace}")] pub start_span: Span, diff --git a/compiler/rustc_lint/src/non_fmt_panic.rs b/compiler/rustc_lint/src/non_fmt_panic.rs index 548f30ec972..5bb1abfd2ec 100644 --- a/compiler/rustc_lint/src/non_fmt_panic.rs +++ b/compiler/rustc_lint/src/non_fmt_panic.rs @@ -1,7 +1,7 @@ use crate::lints::{NonFmtPanicBraces, NonFmtPanicUnused}; -use crate::{LateContext, LateLintPass, LintContext}; +use crate::{fluent_generated as fluent, LateContext, LateLintPass, LintContext}; use rustc_ast as ast; -use rustc_errors::{fluent, Applicability}; +use rustc_errors::Applicability; use rustc_hir as hir; use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::lint::in_external_macro; @@ -122,18 +122,18 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc #[allow(rustc::diagnostic_outside_of_impl)] cx.struct_span_lint(NON_FMT_PANICS, arg_span, fluent::lint_non_fmt_panic, |lint| { lint.set_arg("name", symbol); - lint.note(fluent::note); - lint.note(fluent::more_info_note); + lint.note(fluent::lint_note); + lint.note(fluent::lint_more_info_note); if !is_arg_inside_call(arg_span, span) { // No clue where this argument is coming from. return lint; } if arg_macro.map_or(false, |id| cx.tcx.is_diagnostic_item(sym::format_macro, id)) { // A case of `panic!(format!(..))`. - lint.note(fluent::supports_fmt_note); + lint.note(fluent::lint_supports_fmt_note); if let Some((open, close, _)) = find_delimiters(cx, arg_span) { lint.multipart_suggestion( - fluent::supports_fmt_suggestion, + fluent::lint_supports_fmt_suggestion, vec![ (arg_span.until(open.shrink_to_hi()), "".into()), (close.until(arg_span.shrink_to_hi()), "".into()), @@ -179,7 +179,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc if suggest_display { lint.span_suggestion_verbose( arg_span.shrink_to_lo(), - fluent::display_suggestion, + fluent::lint_display_suggestion, "\"{}\", ", fmt_applicability, ); @@ -187,7 +187,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc lint.set_arg("ty", ty); lint.span_suggestion_verbose( arg_span.shrink_to_lo(), - fluent::debug_suggestion, + fluent::lint_debug_suggestion, "\"{:?}\", ", fmt_applicability, ); @@ -197,7 +197,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc if let Some((open, close, del)) = find_delimiters(cx, span) { lint.set_arg("already_suggested", suggest_display || suggest_debug); lint.multipart_suggestion( - fluent::panic_suggestion, + fluent::lint_panic_suggestion, if del == '(' { vec![(span.until(open), "std::panic::panic_any".into())] } else { diff --git a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs index 42442cfb190..883a56cb3ce 100644 --- a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs +++ b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs @@ -149,7 +149,7 @@ impl<'tcx> LateLintPass<'tcx> for OpaqueHiddenInferredBound { struct OpaqueHiddenInferredBoundLint<'tcx> { ty: Ty<'tcx>, proj_ty: Ty<'tcx>, - #[label(specifically)] + #[label(lint_specifically)] assoc_pred_span: Span, #[subdiagnostic] add_bound: Option<AddBound<'tcx>>, diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index b7fd6a254d8..85958c41705 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -1,19 +1,24 @@ -use crate::lints::{ - AtomicOrderingFence, AtomicOrderingLoad, AtomicOrderingStore, ImproperCTypes, - InvalidAtomicOrderingDiag, OnlyCastu8ToChar, OverflowingBinHex, OverflowingBinHexSign, - OverflowingBinHexSub, OverflowingInt, OverflowingIntHelp, OverflowingLiteral, OverflowingUInt, - RangeEndpointOutOfRange, UnusedComparisons, VariantSizeDifferencesDiag, +use crate::{ + fluent_generated as fluent, + lints::{ + AtomicOrderingFence, AtomicOrderingLoad, AtomicOrderingStore, ImproperCTypes, + InvalidAtomicOrderingDiag, OnlyCastu8ToChar, OverflowingBinHex, OverflowingBinHexSign, + OverflowingBinHexSub, OverflowingInt, OverflowingIntHelp, OverflowingLiteral, + OverflowingUInt, RangeEndpointOutOfRange, UnusedComparisons, VariantSizeDifferencesDiag, + }, }; use crate::{LateContext, LateLintPass, LintContext}; use rustc_ast as ast; use rustc_attr as attr; use rustc_data_structures::fx::FxHashSet; -use rustc_errors::{fluent, DiagnosticMessage}; +use rustc_errors::DiagnosticMessage; use rustc_hir as hir; use rustc_hir::{is_range_literal, Expr, ExprKind, Node}; use rustc_middle::ty::layout::{IntegerExt, LayoutOf, SizeSkeleton}; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, AdtKind, DefIdTree, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; +use rustc_middle::ty::{ + self, AdtKind, DefIdTree, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, +}; use rustc_span::def_id::LocalDefId; use rustc_span::source_map; use rustc_span::symbol::sym; @@ -1144,7 +1149,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { fn check_for_opaque_ty(&mut self, sp: Span, ty: Ty<'tcx>) -> bool { struct ProhibitOpaqueTypes; - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for ProhibitOpaqueTypes { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for ProhibitOpaqueTypes { type BreakTy = Ty<'tcx>; fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { diff --git a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp index fbc1d8ef310..0a42265a6ba 100644 --- a/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp +++ b/compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp @@ -594,6 +594,8 @@ struct LLVMRustSanitizerOptions { bool SanitizeThread; bool SanitizeHWAddress; bool SanitizeHWAddressRecover; + bool SanitizeKernelAddress; + bool SanitizeKernelAddressRecover; }; extern "C" LLVMRustResult @@ -765,15 +767,17 @@ LLVMRustOptimize( ); } - if (SanitizerOptions->SanitizeAddress) { + if (SanitizerOptions->SanitizeAddress || SanitizerOptions->SanitizeKernelAddress) { OptimizerLastEPCallbacks.push_back( [SanitizerOptions](ModulePassManager &MPM, OptimizationLevel Level) { + auto CompileKernel = SanitizerOptions->SanitizeKernelAddress; #if LLVM_VERSION_LT(15, 0) MPM.addPass(RequireAnalysisPass<ASanGlobalsMetadataAnalysis, Module>()); #endif AddressSanitizerOptions opts = AddressSanitizerOptions{ - /*CompileKernel=*/false, - SanitizerOptions->SanitizeAddressRecover, + CompileKernel, + SanitizerOptions->SanitizeAddressRecover + || SanitizerOptions->SanitizeKernelAddressRecover, /*UseAfterScope=*/true, AsanDetectStackUseAfterReturnMode::Runtime, }; diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic.rs b/compiler/rustc_macros/src/diagnostics/diagnostic.rs index 9ff94486404..12a954258d1 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic.rs @@ -57,7 +57,7 @@ impl<'a> DiagnosticDerive<'a> { } Some(slug) => { quote! { - let mut #diag = #handler.struct_diagnostic(rustc_errors::fluent::#slug); + let mut #diag = #handler.struct_diagnostic(crate::fluent_generated::#slug); } } }; @@ -149,7 +149,7 @@ impl<'a> LintDiagnosticDerive<'a> { } Some(slug) => { quote! { - rustc_errors::fluent::#slug.into() + crate::fluent_generated::#slug.into() } } } diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs index 12bcd939bd6..46068f8c868 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs @@ -452,7 +452,7 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { Ok(quote! { #diag.span_suggestions_with_style( #span_field, - rustc_errors::fluent::#slug, + crate::fluent_generated::#slug, #code_field, #applicability, #style @@ -476,7 +476,7 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { quote! { #diag.#fn_name( #field_binding, - rustc_errors::fluent::#fluent_attr_identifier + crate::fluent_generated::#fluent_attr_identifier ); } } @@ -486,7 +486,7 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { fn add_subdiagnostic(&self, kind: &Ident, fluent_attr_identifier: Path) -> TokenStream { let diag = &self.parent.diag; quote! { - #diag.#kind(rustc_errors::fluent::#fluent_attr_identifier); + #diag.#kind(crate::fluent_generated::#fluent_attr_identifier); } } diff --git a/compiler/rustc_macros/src/diagnostics/fluent.rs b/compiler/rustc_macros/src/diagnostics/fluent.rs index 08098c9bb2a..38c0f4895db 100644 --- a/compiler/rustc_macros/src/diagnostics/fluent.rs +++ b/compiler/rustc_macros/src/diagnostics/fluent.rs @@ -19,52 +19,9 @@ use std::{ io::Read, path::{Path, PathBuf}, }; -use syn::{ - parse::{Parse, ParseStream}, - parse_macro_input, - punctuated::Punctuated, - token, Ident, LitStr, Result, -}; +use syn::{parse_macro_input, Ident, LitStr}; use unic_langid::langid; -struct Resource { - krate: Ident, - #[allow(dead_code)] - fat_arrow_token: token::FatArrow, - resource_path: LitStr, -} - -impl Parse for Resource { - fn parse(input: ParseStream<'_>) -> Result<Self> { - Ok(Resource { - krate: input.parse()?, - fat_arrow_token: input.parse()?, - resource_path: input.parse()?, - }) - } -} - -struct Resources(Punctuated<Resource, token::Comma>); - -impl Parse for Resources { - fn parse(input: ParseStream<'_>) -> Result<Self> { - let mut resources = Punctuated::new(); - loop { - if input.is_empty() || input.peek(token::Brace) { - break; - } - let value = input.parse()?; - resources.push_value(value); - if !input.peek(token::Comma) { - break; - } - let punct = input.parse()?; - resources.push_punct(punct); - } - Ok(Resources(resources)) - } -} - /// Helper function for returning an absolute path for macro-invocation relative file paths. /// /// If the input is already absolute, then the input is returned. If the input is not absolute, @@ -84,251 +41,285 @@ fn invocation_relative_path_to_absolute(span: Span, path: &str) -> PathBuf { } } +/// Tokens to be returned when the macro cannot proceed. +fn failed(crate_name: &Ident) -> proc_macro::TokenStream { + quote! { + pub static DEFAULT_LOCALE_RESOURCE: &'static str = ""; + + #[allow(non_upper_case_globals)] + #[doc(hidden)] + pub(crate) mod fluent_generated { + pub mod #crate_name { + } + + pub mod _subdiag { + pub const help: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("help")); + pub const note: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("note")); + pub const warn: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("warn")); + pub const label: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("label")); + pub const suggestion: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("suggestion")); + } + } + } + .into() +} + /// See [rustc_macros::fluent_messages]. pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::TokenStream { - let resources = parse_macro_input!(input as Resources); + let crate_name = std::env::var("CARGO_PKG_NAME") + // If `CARGO_PKG_NAME` is missing, then we're probably running in a test, so use + // `no_crate`. + .unwrap_or_else(|_| "no_crate".to_string()) + .replace("rustc_", ""); // Cannot iterate over individual messages in a bundle, so do that using the // `FluentResource` instead. Construct a bundle anyway to find out if there are conflicting // messages in the resources. let mut bundle = FluentBundle::new(vec![langid!("en-US")]); - // Map of Fluent identifiers to the `Span` of the resource that defined them, used for better - // diagnostics. - let mut previous_defns = HashMap::new(); - // Set of Fluent attribute names already output, to avoid duplicate type errors - any given // constant created for a given attribute is the same. let mut previous_attrs = HashSet::new(); - let mut includes = TokenStream::new(); - let mut generated = TokenStream::new(); + let resource_str = parse_macro_input!(input as LitStr); + let resource_span = resource_str.span().unwrap(); + let relative_ftl_path = resource_str.value(); + let absolute_ftl_path = invocation_relative_path_to_absolute(resource_span, &relative_ftl_path); - for res in resources.0 { - let krate_span = res.krate.span().unwrap(); - let path_span = res.resource_path.span().unwrap(); + let crate_name = Ident::new(&crate_name, resource_str.span()); - let relative_ftl_path = res.resource_path.value(); - let absolute_ftl_path = - invocation_relative_path_to_absolute(krate_span, &relative_ftl_path); - // As this macro also outputs an `include_str!` for this file, the macro will always be - // re-executed when the file changes. - let mut resource_file = match File::open(absolute_ftl_path) { - Ok(resource_file) => resource_file, - Err(e) => { - Diagnostic::spanned(path_span, Level::Error, "could not open Fluent resource") - .note(e.to_string()) - .emit(); - continue; - } - }; - let mut resource_contents = String::new(); - if let Err(e) = resource_file.read_to_string(&mut resource_contents) { - Diagnostic::spanned(path_span, Level::Error, "could not read Fluent resource") + // As this macro also outputs an `include_str!` for this file, the macro will always be + // re-executed when the file changes. + let mut resource_file = match File::open(absolute_ftl_path) { + Ok(resource_file) => resource_file, + Err(e) => { + Diagnostic::spanned(resource_span, Level::Error, "could not open Fluent resource") .note(e.to_string()) .emit(); - continue; + return failed(&crate_name); } - let resource = match FluentResource::try_new(resource_contents) { - Ok(resource) => resource, - Err((this, errs)) => { - Diagnostic::spanned(path_span, Level::Error, "could not parse Fluent resource") - .help("see additional errors emitted") - .emit(); - for ParserError { pos, slice: _, kind } in errs { - let mut err = kind.to_string(); - // Entirely unnecessary string modification so that the error message starts - // with a lowercase as rustc errors do. - err.replace_range( - 0..1, - &err.chars().next().unwrap().to_lowercase().to_string(), - ); + }; + let mut resource_contents = String::new(); + if let Err(e) = resource_file.read_to_string(&mut resource_contents) { + Diagnostic::spanned(resource_span, Level::Error, "could not read Fluent resource") + .note(e.to_string()) + .emit(); + return failed(&crate_name); + } + + let resource = match FluentResource::try_new(resource_contents) { + Ok(resource) => resource, + Err((this, errs)) => { + Diagnostic::spanned(resource_span, Level::Error, "could not parse Fluent resource") + .help("see additional errors emitted") + .emit(); + for ParserError { pos, slice: _, kind } in errs { + let mut err = kind.to_string(); + // Entirely unnecessary string modification so that the error message starts + // with a lowercase as rustc errors do. + err.replace_range(0..1, &err.chars().next().unwrap().to_lowercase().to_string()); - let line_starts: Vec<usize> = std::iter::once(0) - .chain( - this.source() - .char_indices() - .filter_map(|(i, c)| Some(i + 1).filter(|_| c == '\n')), - ) - .collect(); - let line_start = line_starts - .iter() - .enumerate() - .map(|(line, idx)| (line + 1, idx)) - .filter(|(_, idx)| **idx <= pos.start) - .last() - .unwrap() - .0; + let line_starts: Vec<usize> = std::iter::once(0) + .chain( + this.source() + .char_indices() + .filter_map(|(i, c)| Some(i + 1).filter(|_| c == '\n')), + ) + .collect(); + let line_start = line_starts + .iter() + .enumerate() + .map(|(line, idx)| (line + 1, idx)) + .filter(|(_, idx)| **idx <= pos.start) + .last() + .unwrap() + .0; - let snippet = Snippet { - title: Some(Annotation { - label: Some(&err), - id: None, + let snippet = Snippet { + title: Some(Annotation { + label: Some(&err), + id: None, + annotation_type: AnnotationType::Error, + }), + footer: vec![], + slices: vec![Slice { + source: this.source(), + line_start, + origin: Some(&relative_ftl_path), + fold: true, + annotations: vec![SourceAnnotation { + label: "", annotation_type: AnnotationType::Error, - }), - footer: vec![], - slices: vec![Slice { - source: this.source(), - line_start, - origin: Some(&relative_ftl_path), - fold: true, - annotations: vec![SourceAnnotation { - label: "", - annotation_type: AnnotationType::Error, - range: (pos.start, pos.end - 1), - }], + range: (pos.start, pos.end - 1), }], - opt: Default::default(), - }; - let dl = DisplayList::from(snippet); - eprintln!("{dl}\n"); - } - continue; + }], + opt: Default::default(), + }; + let dl = DisplayList::from(snippet); + eprintln!("{dl}\n"); } - }; - let mut constants = TokenStream::new(); - let mut messagerefs = Vec::new(); - for entry in resource.entries() { - let span = res.krate.span(); - if let Entry::Message(Message { id: Identifier { name }, attributes, value, .. }) = - entry - { - let _ = previous_defns.entry(name.to_string()).or_insert(path_span); + return failed(&crate_name); + } + }; - if name.contains('-') { - Diagnostic::spanned( - path_span, - Level::Error, - format!("name `{name}` contains a '-' character"), - ) - .help("replace any '-'s with '_'s") - .emit(); - } + let mut constants = TokenStream::new(); + let mut previous_defns = HashMap::new(); + let mut message_refs = Vec::new(); + for entry in resource.entries() { + if let Entry::Message(Message { id: Identifier { name }, attributes, value, .. }) = entry { + let _ = previous_defns.entry(name.to_string()).or_insert(resource_span); + if name.contains('-') { + Diagnostic::spanned( + resource_span, + Level::Error, + format!("name `{name}` contains a '-' character"), + ) + .help("replace any '-'s with '_'s") + .emit(); + } - if let Some(Pattern { elements }) = value { - for elt in elements { - if let PatternElement::Placeable { - expression: - Expression::Inline(InlineExpression::MessageReference { id, .. }), - } = elt - { - messagerefs.push((id.name, *name)); - } + if let Some(Pattern { elements }) = value { + for elt in elements { + if let PatternElement::Placeable { + expression: + Expression::Inline(InlineExpression::MessageReference { id, .. }), + } = elt + { + message_refs.push((id.name, *name)); } } + } - // Require that the message name starts with the crate name - // `hir_typeck_foo_bar` (in `hir_typeck.ftl`) - // `const_eval_baz` (in `const_eval.ftl`) - // `const-eval-hyphen-having` => `hyphen_having` (in `const_eval.ftl`) - // The last case we error about above, but we want to fall back gracefully - // so that only the error is being emitted and not also one about the macro - // failing. - let crate_prefix = format!("{}_", res.krate); + // `typeck_foo_bar` => `foo_bar` (in `typeck.ftl`) + // `const_eval_baz` => `baz` (in `const_eval.ftl`) + // `const-eval-hyphen-having` => `hyphen_having` (in `const_eval.ftl`) + // The last case we error about above, but we want to fall back gracefully + // so that only the error is being emitted and not also one about the macro + // failing. + let crate_prefix = format!("{crate_name}_"); - let snake_name = name.replace('-', "_"); - if !snake_name.starts_with(&crate_prefix) { + let snake_name = name.replace('-', "_"); + if !snake_name.starts_with(&crate_prefix) { + Diagnostic::spanned( + resource_span, + Level::Error, + format!("name `{name}` does not start with the crate name"), + ) + .help(format!( + "prepend `{crate_prefix}` to the slug name: `{crate_prefix}{snake_name}`" + )) + .emit(); + }; + let snake_name = Ident::new(&snake_name, resource_str.span()); + + if !previous_attrs.insert(snake_name.clone()) { + continue; + } + + let msg = format!("Constant referring to Fluent message `{name}` from `{crate_name}`"); + constants.extend(quote! { + #[doc = #msg] + pub const #snake_name: crate::DiagnosticMessage = + crate::DiagnosticMessage::FluentIdentifier( + std::borrow::Cow::Borrowed(#name), + None + ); + }); + + for Attribute { id: Identifier { name: attr_name }, .. } in attributes { + let snake_name = Ident::new( + &format!("{}{}", &crate_prefix, &attr_name.replace('-', "_")), + resource_str.span(), + ); + if !previous_attrs.insert(snake_name.clone()) { + continue; + } + + if attr_name.contains('-') { Diagnostic::spanned( - path_span, + resource_span, Level::Error, - format!("name `{name}` does not start with the crate name"), + format!("attribute `{attr_name}` contains a '-' character"), ) - .help(format!( - "prepend `{crate_prefix}` to the slug name: `{crate_prefix}{snake_name}`" - )) + .help("replace any '-'s with '_'s") .emit(); - }; - - let snake_name = Ident::new(&snake_name, span); + } + let msg = format!( + "Constant referring to Fluent message `{name}.{attr_name}` from `{crate_name}`" + ); constants.extend(quote! { - pub const #snake_name: crate::DiagnosticMessage = - crate::DiagnosticMessage::FluentIdentifier( - std::borrow::Cow::Borrowed(#name), - None + #[doc = #msg] + pub const #snake_name: crate::SubdiagnosticMessage = + crate::SubdiagnosticMessage::FluentAttr( + std::borrow::Cow::Borrowed(#attr_name) ); }); - - for Attribute { id: Identifier { name: attr_name }, .. } in attributes { - let snake_name = Ident::new(&attr_name.replace('-', "_"), span); - if !previous_attrs.insert(snake_name.clone()) { - continue; - } - - if attr_name.contains('-') { - Diagnostic::spanned( - path_span, - Level::Error, - format!("attribute `{attr_name}` contains a '-' character"), - ) - .help("replace any '-'s with '_'s") - .emit(); - } - - constants.extend(quote! { - pub const #snake_name: crate::SubdiagnosticMessage = - crate::SubdiagnosticMessage::FluentAttr( - std::borrow::Cow::Borrowed(#attr_name) - ); - }); - } } } + } - for (mref, name) in messagerefs.into_iter() { - if !previous_defns.contains_key(mref) { - Diagnostic::spanned( - path_span, - Level::Error, - format!("referenced message `{mref}` does not exist (in message `{name}`)"), - ) - .help(&format!("you may have meant to use a variable reference (`{{${mref}}}`)")) - .emit(); - } + for (mref, name) in message_refs.into_iter() { + if !previous_defns.contains_key(mref) { + Diagnostic::spanned( + resource_span, + Level::Error, + format!("referenced message `{mref}` does not exist (in message `{name}`)"), + ) + .help(&format!("you may have meant to use a variable reference (`{{${mref}}}`)")) + .emit(); } + } - if let Err(errs) = bundle.add_resource(resource) { - for e in errs { - match e { - FluentError::Overriding { kind, id } => { - Diagnostic::spanned( - path_span, - Level::Error, - format!("overrides existing {kind}: `{id}`"), - ) - .span_help(previous_defns[&id], "previously defined in this resource") - .emit(); - } - FluentError::ResolverError(_) | FluentError::ParserError(_) => unreachable!(), + if let Err(errs) = bundle.add_resource(resource) { + for e in errs { + match e { + FluentError::Overriding { kind, id } => { + Diagnostic::spanned( + resource_span, + Level::Error, + format!("overrides existing {kind}: `{id}`"), + ) + .emit(); } + FluentError::ResolverError(_) | FluentError::ParserError(_) => unreachable!(), } } - - includes.extend(quote! { include_str!(#relative_ftl_path), }); - - generated.extend(constants); } quote! { + /// Raw content of Fluent resource for this crate, generated by `fluent_messages` macro, + /// imported by `rustc_driver` to include all crates' resources in one bundle. + pub static DEFAULT_LOCALE_RESOURCE: &'static str = include_str!(#relative_ftl_path); + #[allow(non_upper_case_globals)] #[doc(hidden)] - pub mod fluent_generated { - pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ - #includes - ]; - - #generated + /// Auto-generated constants for type-checked references to Fluent messages. + pub(crate) mod fluent_generated { + #constants + /// Constants expected to exist by the diagnostic derive macros to use as default Fluent + /// identifiers for different subdiagnostic kinds. pub mod _subdiag { + /// Default for `#[help]` pub const help: crate::SubdiagnosticMessage = crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("help")); + /// Default for `#[note]` pub const note: crate::SubdiagnosticMessage = crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("note")); + /// Default for `#[warn]` pub const warn: crate::SubdiagnosticMessage = crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("warn")); + /// Default for `#[label]` pub const label: crate::SubdiagnosticMessage = crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("label")); + /// Default for `#[suggestion]` pub const suggestion: crate::SubdiagnosticMessage = crate::SubdiagnosticMessage::FluentAttr(std::borrow::Cow::Borrowed("suggestion")); } diff --git a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs index 906e4c0b0e1..90660fc1f93 100644 --- a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs @@ -512,7 +512,9 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { let mut calls = TokenStream::new(); for (kind, slug) in kind_slugs { let message = format_ident!("__message"); - calls.extend(quote! { let #message = #f(#diag, rustc_errors::fluent::#slug.into()); }); + calls.extend( + quote! { let #message = #f(#diag, crate::fluent_generated::#slug.into()); }, + ); let name = format_ident!("{}{}", if span_field.is_some() { "span_" } else { "" }, kind); let call = match kind { diff --git a/compiler/rustc_macros/src/lib.rs b/compiler/rustc_macros/src/lib.rs index d2cb6ee9f71..737500cc257 100644 --- a/compiler/rustc_macros/src/lib.rs +++ b/compiler/rustc_macros/src/lib.rs @@ -61,9 +61,7 @@ pub fn newtype_index(input: TokenStream) -> TokenStream { /// For example, given the following invocation of the macro.. /// /// ```ignore (rust) -/// fluent_messages! { -/// typeck => "./typeck.ftl", -/// } +/// fluent_messages! { "./typeck.ftl" } /// ``` /// ..where `typeck.ftl` has the following contents.. /// @@ -77,9 +75,7 @@ pub fn newtype_index(input: TokenStream) -> TokenStream { /// will generate the following code: /// /// ```ignore (rust) -/// pub static DEFAULT_LOCALE_RESOURCES: &'static [&'static str] = &[ -/// include_str!("./typeck.ftl"), -/// ]; +/// pub static DEFAULT_LOCALE_RESOURCE: &'static [&'static str] = include_str!("./typeck.ftl"); /// /// mod fluent_generated { /// mod typeck { diff --git a/compiler/rustc_macros/src/type_foldable.rs b/compiler/rustc_macros/src/type_foldable.rs index 51729a377d9..388e254cd64 100644 --- a/compiler/rustc_macros/src/type_foldable.rs +++ b/compiler/rustc_macros/src/type_foldable.rs @@ -37,16 +37,16 @@ pub fn type_foldable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2:: bind.to_token_stream() } else { quote! { - ::rustc_middle::ty::fold::ir::TypeFoldable::try_fold_with(#bind, __folder)? + ::rustc_middle::ty::fold::TypeFoldable::try_fold_with(#bind, __folder)? } } }) }); s.bound_impl( - quote!(::rustc_middle::ty::fold::ir::TypeFoldable<::rustc_middle::ty::TyCtxt<'tcx>>), + quote!(::rustc_middle::ty::fold::TypeFoldable<::rustc_middle::ty::TyCtxt<'tcx>>), quote! { - fn try_fold_with<__F: ::rustc_middle::ty::fold::FallibleTypeFolder<'tcx>>( + fn try_fold_with<__F: ::rustc_middle::ty::fold::FallibleTypeFolder<::rustc_middle::ty::TyCtxt<'tcx>>>( self, __folder: &mut __F ) -> Result<Self, __F::Error> { diff --git a/compiler/rustc_macros/src/type_visitable.rs b/compiler/rustc_macros/src/type_visitable.rs index 0a16a371fdc..f6f4c4779c3 100644 --- a/compiler/rustc_macros/src/type_visitable.rs +++ b/compiler/rustc_macros/src/type_visitable.rs @@ -30,15 +30,15 @@ pub fn type_visitable_derive(mut s: synstructure::Structure<'_>) -> proc_macro2: s.add_bounds(synstructure::AddBounds::Generics); let body_visit = s.each(|bind| { quote! { - ::rustc_middle::ty::visit::ir::TypeVisitable::visit_with(#bind, __visitor)?; + ::rustc_middle::ty::visit::TypeVisitable::visit_with(#bind, __visitor)?; } }); s.bind_with(|_| synstructure::BindStyle::Move); s.bound_impl( - quote!(::rustc_middle::ty::visit::ir::TypeVisitable<::rustc_middle::ty::TyCtxt<'tcx>>), + quote!(::rustc_middle::ty::visit::TypeVisitable<::rustc_middle::ty::TyCtxt<'tcx>>), quote! { - fn visit_with<__V: ::rustc_middle::ty::visit::TypeVisitor<'tcx>>( + fn visit_with<__V: ::rustc_middle::ty::visit::TypeVisitor<::rustc_middle::ty::TyCtxt<'tcx>>>( &self, __visitor: &mut __V ) -> ::std::ops::ControlFlow<__V::BreakTy> { diff --git a/compiler/rustc_error_messages/locales/en-US/metadata.ftl b/compiler/rustc_metadata/locales/en-US.ftl index 79b8b417257..79b8b417257 100644 --- a/compiler/rustc_error_messages/locales/en-US/metadata.ftl +++ b/compiler/rustc_metadata/locales/en-US.ftl diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index c357f294279..b05626311e8 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -8,15 +8,15 @@ use rustc_ast::expand::allocator::AllocatorKind; use rustc_ast::{self as ast, *}; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::svh::Svh; -use rustc_data_structures::sync::ReadGuard; +use rustc_data_structures::sync::MappedReadGuard; use rustc_expand::base::SyntaxExtension; use rustc_hir::def_id::{CrateNum, LocalDefId, StableCrateId, LOCAL_CRATE}; use rustc_hir::definitions::Definitions; use rustc_index::vec::IndexVec; use rustc_middle::ty::TyCtxt; use rustc_session::config::{self, CrateType, ExternLocation}; +use rustc_session::cstore::ExternCrateSource; use rustc_session::cstore::{CrateDepKind, CrateSource, ExternCrate}; -use rustc_session::cstore::{ExternCrateSource, MetadataLoaderDyn}; use rustc_session::lint; use rustc_session::output::validate_crate_name; use rustc_session::search_paths::PathKind; @@ -60,17 +60,22 @@ impl std::fmt::Debug for CStore { } } -pub struct CrateLoader<'a> { +pub struct CrateLoader<'a, 'tcx: 'a> { // Immutable configuration. - sess: &'a Session, - metadata_loader: &'a MetadataLoaderDyn, - definitions: ReadGuard<'a, Definitions>, - local_crate_name: Symbol, + tcx: TyCtxt<'tcx>, // Mutable output. cstore: &'a mut CStore, used_extern_options: &'a mut FxHashSet<Symbol>, } +impl<'a, 'tcx> std::ops::Deref for CrateLoader<'a, 'tcx> { + type Target = TyCtxt<'tcx>; + + fn deref(&self) -> &Self::Target { + &self.tcx + } +} + pub enum LoadedMacro { MacroDef(ast::Item, Edition), ProcMacro(SyntaxExtension), @@ -127,11 +132,10 @@ impl<'a> std::fmt::Debug for CrateDump<'a> { } impl CStore { - pub fn from_tcx(tcx: TyCtxt<'_>) -> &CStore { - tcx.cstore_untracked() - .as_any() - .downcast_ref::<CStore>() - .expect("`tcx.cstore` is not a `CStore`") + pub fn from_tcx(tcx: TyCtxt<'_>) -> MappedReadGuard<'_, CStore> { + MappedReadGuard::map(tcx.cstore_untracked(), |c| { + c.as_any().downcast_ref::<CStore>().expect("`tcx.cstore` is not a `CStore`") + }) } fn alloc_new_crate_num(&mut self) -> CrateNum { @@ -256,23 +260,13 @@ impl CStore { } } -impl<'a> CrateLoader<'a> { +impl<'a, 'tcx> CrateLoader<'a, 'tcx> { pub fn new( - sess: &'a Session, - metadata_loader: &'a MetadataLoaderDyn, - local_crate_name: Symbol, + tcx: TyCtxt<'tcx>, cstore: &'a mut CStore, - definitions: ReadGuard<'a, Definitions>, used_extern_options: &'a mut FxHashSet<Symbol>, ) -> Self { - CrateLoader { - sess, - metadata_loader, - local_crate_name, - cstore, - used_extern_options, - definitions, - } + CrateLoader { tcx, cstore, used_extern_options } } pub fn cstore(&self) -> &CStore { &self.cstore @@ -563,9 +557,10 @@ impl<'a> CrateLoader<'a> { (LoadResult::Previous(cnum), None) } else { info!("falling back to a load"); + let metadata_loader = self.tcx.metadata_loader(()).borrow(); let mut locator = CrateLocator::new( self.sess, - &*self.metadata_loader, + &**metadata_loader, name, hash, extra_filename, @@ -970,7 +965,7 @@ impl<'a> CrateLoader<'a> { &format!( "external crate `{}` unused in `{}`: remove the dependency or add `use {} as _;`", name, - self.local_crate_name, + self.tcx.crate_name(LOCAL_CRATE), name), ); } @@ -990,6 +985,7 @@ impl<'a> CrateLoader<'a> { &mut self, item: &ast::Item, def_id: LocalDefId, + definitions: &Definitions, ) -> Option<CrateNum> { match item.kind { ast::ItemKind::ExternCrate(orig_name) => { @@ -1012,7 +1008,7 @@ impl<'a> CrateLoader<'a> { let cnum = self.resolve_crate(name, item.span, dep_kind)?; - let path_len = self.definitions.def_path(def_id).data.len(); + let path_len = definitions.def_path(def_id).data.len(); self.update_extern_crate( cnum, ExternCrate { diff --git a/compiler/rustc_metadata/src/errors.rs b/compiler/rustc_metadata/src/errors.rs index c32686779fa..51b41b5f6a2 100644 --- a/compiler/rustc_metadata/src/errors.rs +++ b/compiler/rustc_metadata/src/errors.rs @@ -9,6 +9,7 @@ use rustc_session::config; use rustc_span::{sym, Span, Symbol}; use rustc_target::spec::{PanicStrategy, TargetTriple}; +use crate::fluent_generated as fluent; use crate::locator::CrateFlavor; #[derive(Diagnostic)] @@ -491,7 +492,7 @@ impl IntoDiagnostic<'_> for MultipleCandidates { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::metadata_multiple_candidates); + let mut diag = handler.struct_err(fluent::metadata_multiple_candidates); diag.set_arg("crate_name", self.crate_name); diag.set_arg("flavor", self.flavor); diag.code(error_code!(E0464)); @@ -590,7 +591,7 @@ impl IntoDiagnostic<'_> for InvalidMetadataFiles { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::metadata_invalid_meta_files); + let mut diag = handler.struct_err(fluent::metadata_invalid_meta_files); diag.set_arg("crate_name", self.crate_name); diag.set_arg("add_info", self.add_info); diag.code(error_code!(E0786)); @@ -619,7 +620,7 @@ impl IntoDiagnostic<'_> for CannotFindCrate { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::metadata_cannot_find_crate); + let mut diag = handler.struct_err(fluent::metadata_cannot_find_crate); diag.set_arg("crate_name", self.crate_name); diag.set_arg("current_crate", self.current_crate); diag.set_arg("add_info", self.add_info); @@ -630,32 +631,32 @@ impl IntoDiagnostic<'_> for CannotFindCrate { && self.locator_triple != TargetTriple::from_triple(config::host_triple()) { if self.missing_core { - diag.note(rustc_errors::fluent::metadata_target_not_installed); + diag.note(fluent::metadata_target_not_installed); } else { - diag.note(rustc_errors::fluent::metadata_target_no_std_support); + diag.note(fluent::metadata_target_no_std_support); } // NOTE: this suggests using rustup, even though the user may not have it installed. // That's because they could choose to install it; or this may give them a hint which // target they need to install from their distro. if self.missing_core { - diag.help(rustc_errors::fluent::metadata_consider_downloading_target); + diag.help(fluent::metadata_consider_downloading_target); } // Suggest using #![no_std]. #[no_core] is unstable and not really supported anyway. // NOTE: this is a dummy span if `extern crate std` was injected by the compiler. // If it's not a dummy, that means someone added `extern crate std` explicitly and // `#![no_std]` won't help. if !self.missing_core && self.span.is_dummy() { - diag.note(rustc_errors::fluent::metadata_std_required); + diag.note(fluent::metadata_std_required); } if self.is_nightly_build { - diag.help(rustc_errors::fluent::metadata_consider_building_std); + diag.help(fluent::metadata_consider_building_std); } } else if self.crate_name == self.profiler_runtime { - diag.note(rustc_errors::fluent::metadata_compiler_missing_profiler); + diag.note(fluent::metadata_compiler_missing_profiler); } else if self.crate_name.as_str().starts_with("rustc_") { - diag.help(rustc_errors::fluent::metadata_install_missing_components); + diag.help(fluent::metadata_install_missing_components); } - diag.span_label(self.span, rustc_errors::fluent::metadata_cant_find_crate); + diag.span_label(self.span, fluent::metadata_cant_find_crate); diag } } diff --git a/compiler/rustc_metadata/src/lib.rs b/compiler/rustc_metadata/src/lib.rs index 1987f88e6b8..6f6d3731cea 100644 --- a/compiler/rustc_metadata/src/lib.rs +++ b/compiler/rustc_metadata/src/lib.rs @@ -30,6 +30,8 @@ extern crate rustc_data_structures; extern crate tracing; pub use rmeta::{provide, provide_extern}; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; mod dependency_format; mod foreign_modules; @@ -44,3 +46,5 @@ pub mod locator; pub use fs::{emit_wrapper_file, METADATA_FILENAME}; pub use native_libs::find_native_static_library; pub use rmeta::{encode_metadata, EncodedMetadata, METADATA_HEADER}; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_metadata/src/native_libs.rs b/compiler/rustc_metadata/src/native_libs.rs index ffb52d167b1..d823989bb02 100644 --- a/compiler/rustc_metadata/src/native_libs.rs +++ b/compiler/rustc_metadata/src/native_libs.rs @@ -502,7 +502,7 @@ impl<'tcx> Collector<'tcx> { .subst_identity() .fn_sig(self.tcx) .inputs() - .map_bound(|slice| self.tcx.mk_type_list(slice.iter())), + .map_bound(|slice| self.tcx.intern_type_list(slice)), ); argument_types diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 0bacf51e911..83a0e833edc 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -130,7 +130,13 @@ macro_rules! provide_one { $tcx.ensure().crate_hash($def_id.krate); } - let $cdata = CStore::from_tcx($tcx).get_crate_data($def_id.krate); + let cdata = rustc_data_structures::sync::MappedReadGuard::map(CStore::from_tcx($tcx), |c| { + c.get_crate_data($def_id.krate).cdata + }); + let $cdata = crate::creader::CrateMetadataRef { + cdata: &cdata, + cstore: &CStore::from_tcx($tcx), + }; $compute } @@ -248,6 +254,8 @@ provide! { tcx, def_id, other, cdata, .process_decoded(tcx, || panic!("{def_id:?} does not have trait_impl_trait_tys"))) } + associated_items_for_impl_trait_in_trait => { table_defaulted_array } + visibility => { cdata.get_visibility(def_id.index) } adt_def => { cdata.get_adt_def(def_id.index, tcx) } adt_destructor => { diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index e941dd45688..f0dafe73c00 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -1129,6 +1129,11 @@ fn should_encode_trait_impl_trait_tys(tcx: TyCtxt<'_>, def_id: DefId) -> bool { }) } +// Return `false` to avoid encoding impl trait in trait, while we don't use the query. +fn should_encode_fn_impl_trait_in_trait<'tcx>(_tcx: TyCtxt<'tcx>, _def_id: DefId) -> bool { + false +} + impl<'a, 'tcx> EncodeContext<'a, 'tcx> { fn encode_attrs(&mut self, def_id: LocalDefId) { let tcx = self.tcx; @@ -1137,8 +1142,8 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { is_doc_hidden: false, }; let attr_iter = tcx - .hir() - .attrs(tcx.hir().local_def_id_to_hir_id(def_id)) + .opt_local_def_id_to_hir_id(def_id) + .map_or(Default::default(), |hir_id| tcx.hir().attrs(hir_id)) .iter() .filter(|attr| analyze_attr(attr, &mut state)); @@ -1211,6 +1216,10 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { { record!(self.tables.trait_impl_trait_tys[def_id] <- table); } + if should_encode_fn_impl_trait_in_trait(tcx, def_id) { + let table = tcx.associated_items_for_impl_trait_in_trait(def_id); + record_defaulted_array!(self.tables.associated_items_for_impl_trait_in_trait[def_id] <- table); + } } let inherent_impls = tcx.with_stable_hashing_context(|hcx| { diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index 01691398ad0..a7ec2d790b7 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -354,6 +354,7 @@ define_tables! { explicit_item_bounds: Table<DefIndex, LazyArray<(ty::Predicate<'static>, Span)>>, inferred_outlives_of: Table<DefIndex, LazyArray<(ty::Clause<'static>, Span)>>, inherent_impls: Table<DefIndex, LazyArray<DefIndex>>, + associated_items_for_impl_trait_in_trait: Table<DefIndex, LazyArray<DefId>>, - optional: attributes: Table<DefIndex, LazyArray<ast::Attribute>>, diff --git a/compiler/rustc_middle/Cargo.toml b/compiler/rustc_middle/Cargo.toml index 543bd56a20c..a2b78cc2985 100644 --- a/compiler/rustc_middle/Cargo.toml +++ b/compiler/rustc_middle/Cargo.toml @@ -34,7 +34,7 @@ rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } rustc_type_ir = { path = "../rustc_type_ir" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" [features] diff --git a/compiler/rustc_error_messages/locales/en-US/middle.ftl b/compiler/rustc_middle/locales/en-US.ftl index 4f4e5c6a2c9..4f4e5c6a2c9 100644 --- a/compiler/rustc_error_messages/locales/en-US/middle.ftl +++ b/compiler/rustc_middle/locales/en-US.ftl diff --git a/compiler/rustc_middle/src/arena.rs b/compiler/rustc_middle/src/arena.rs index 38a559d892a..d4019b5bf17 100644 --- a/compiler/rustc_middle/src/arena.rs +++ b/compiler/rustc_middle/src/arena.rs @@ -35,6 +35,8 @@ macro_rules! arena_types { rustc_data_structures::sync::Lrc<rustc_ast::Crate>, )>, [] output_filenames: std::sync::Arc<rustc_session::config::OutputFilenames>, + [] metadata_loader: rustc_data_structures::steal::Steal<Box<rustc_session::cstore::MetadataLoaderDyn>>, + [] crate_for_resolver: rustc_data_structures::steal::Steal<rustc_ast::ast::Crate>, [] resolutions: rustc_middle::ty::ResolverGlobalCtxt, [decode] unsafety_check_result: rustc_middle::mir::UnsafetyCheckResult, [decode] code_region: rustc_middle::mir::coverage::CodeRegion, diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index 2eafc356dc3..2df851a7857 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -849,6 +849,13 @@ impl<'hir> Map<'hir> { } } + pub fn get_fn_output(self, def_id: LocalDefId) -> Option<&'hir FnRetTy<'hir>> { + match self.tcx.hir_owner(OwnerId { def_id }) { + Some(Owner { node, .. }) => node.fn_decl().map(|fn_decl| &fn_decl.output), + _ => None, + } + } + pub fn expect_variant(self, id: HirId) -> &'hir Variant<'hir> { match self.find(id) { Some(Node::Variant(variant)) => variant, diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index dc89f762b76..2e2ca6a2788 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -121,13 +121,13 @@ pub fn provide(providers: &mut Providers) { let node = owner.node(); Some(Owner { node, hash_without_bodies: owner.nodes.hash_without_bodies }) }; - providers.local_def_id_to_hir_id = |tcx, id| { + providers.opt_local_def_id_to_hir_id = |tcx, id| { let owner = tcx.hir_crate(()).owners[id].map(|_| ()); - match owner { + Some(match owner { MaybeOwner::Owner(_) => HirId::make_owner(id), MaybeOwner::Phantom => bug!("No HirId for {:?}", id), MaybeOwner::NonOwner(hir_id) => hir_id, - } + }) }; providers.hir_owner_nodes = |tcx, id| tcx.hir_crate(()).owners[id.def_id].map(|i| &i.nodes); providers.hir_owner_parent = |tcx, id| { diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs index bb617e692cc..e134ef8489c 100644 --- a/compiler/rustc_middle/src/infer/canonical.rs +++ b/compiler/rustc_middle/src/infer/canonical.rs @@ -42,8 +42,8 @@ pub struct Canonical<'tcx, V> { pub type CanonicalVarInfos<'tcx> = &'tcx List<CanonicalVarInfo<'tcx>>; -impl<'tcx> ty::ir::TypeFoldable<TyCtxt<'tcx>> for CanonicalVarInfos<'tcx> { - fn try_fold_with<F: ty::FallibleTypeFolder<'tcx>>( +impl<'tcx> ty::TypeFoldable<TyCtxt<'tcx>> for CanonicalVarInfos<'tcx> { + fn try_fold_with<F: ty::FallibleTypeFolder<TyCtxt<'tcx>>>( self, folder: &mut F, ) -> Result<Self, F::Error> { diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index e6cd38c0f15..c33b9d84eb0 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -73,6 +73,9 @@ extern crate tracing; #[macro_use] extern crate smallvec; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + #[cfg(test)] mod tests; @@ -105,3 +108,5 @@ pub mod util { // Allows macros to refer to this crate as `::rustc_middle` extern crate self as rustc_middle; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_middle/src/macros.rs b/compiler/rustc_middle/src/macros.rs index 57d66ac6a03..a8d71ce030c 100644 --- a/compiler/rustc_middle/src/macros.rs +++ b/compiler/rustc_middle/src/macros.rs @@ -69,8 +69,8 @@ macro_rules! CloneLiftImpls { macro_rules! TrivialTypeTraversalImpls { (for <$tcx:lifetime> { $($ty:ty,)+ }) => { $( - impl<$tcx> $crate::ty::fold::ir::TypeFoldable<$crate::ty::TyCtxt<$tcx>> for $ty { - fn try_fold_with<F: $crate::ty::fold::FallibleTypeFolder<$tcx>>( + impl<$tcx> $crate::ty::fold::TypeFoldable<$crate::ty::TyCtxt<$tcx>> for $ty { + fn try_fold_with<F: $crate::ty::fold::FallibleTypeFolder<$crate::ty::TyCtxt<$tcx>>>( self, _: &mut F, ) -> ::std::result::Result<Self, F::Error> { @@ -78,7 +78,7 @@ macro_rules! TrivialTypeTraversalImpls { } #[inline] - fn fold_with<F: $crate::ty::fold::TypeFolder<$tcx>>( + fn fold_with<F: $crate::ty::fold::TypeFolder<$crate::ty::TyCtxt<$tcx>>>( self, _: &mut F, ) -> Self { @@ -86,9 +86,9 @@ macro_rules! TrivialTypeTraversalImpls { } } - impl<$tcx> $crate::ty::visit::ir::TypeVisitable<$crate::ty::TyCtxt<$tcx>> for $ty { + impl<$tcx> $crate::ty::visit::TypeVisitable<$crate::ty::TyCtxt<$tcx>> for $ty { #[inline] - fn visit_with<F: $crate::ty::visit::TypeVisitor<$tcx>>( + fn visit_with<F: $crate::ty::visit::TypeVisitor<$crate::ty::TyCtxt<$tcx>>>( &self, _: &mut F) -> ::std::ops::ControlFlow<F::BreakTy> diff --git a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs index bea884c856a..c4601a1fb41 100644 --- a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs +++ b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs @@ -91,7 +91,8 @@ bitflags! { /// the MIR `InstrumentCoverage` pass and not added to the coverage map /// during codegen. const NO_COVERAGE = 1 << 15; - /// `#[used(linker)]`: indicates that LLVM nor the linker can eliminate this function. + /// `#[used(linker)]`: + /// indicates that neither LLVM nor the linker will eliminate this function. const USED_LINKER = 1 << 16; /// `#[rustc_deallocator]`: a hint to LLVM that the function only deallocates memory. const DEALLOCATOR = 1 << 17; diff --git a/compiler/rustc_middle/src/middle/privacy.rs b/compiler/rustc_middle/src/middle/privacy.rs index 0e18ba73d71..893bf54b866 100644 --- a/compiler/rustc_middle/src/middle/privacy.rs +++ b/compiler/rustc_middle/src/middle/privacy.rs @@ -194,11 +194,6 @@ impl EffectiveVisibilities { } } -pub trait IntoDefIdTree { - type Tree: DefIdTree; - fn tree(self) -> Self::Tree; -} - impl<Id: Eq + Hash> EffectiveVisibilities<Id> { pub fn iter(&self) -> impl Iterator<Item = (&Id, &EffectiveVisibility)> { self.map.iter() @@ -217,25 +212,21 @@ impl<Id: Eq + Hash> EffectiveVisibilities<Id> { self.map.entry(id).or_insert_with(|| EffectiveVisibility::from_vis(lazy_private_vis())) } - pub fn update<T: IntoDefIdTree>( + pub fn update( &mut self, id: Id, nominal_vis: Visibility, - lazy_private_vis: impl FnOnce(T) -> (Visibility, T), + lazy_private_vis: impl FnOnce() -> Visibility, inherited_effective_vis: EffectiveVisibility, level: Level, - mut into_tree: T, + tree: impl DefIdTree, ) -> bool { let mut changed = false; - let mut current_effective_vis = match self.map.get(&id).copied() { - Some(eff_vis) => eff_vis, - None => { - let private_vis; - (private_vis, into_tree) = lazy_private_vis(into_tree); - EffectiveVisibility::from_vis(private_vis) - } - }; - let tree = into_tree.tree(); + let mut current_effective_vis = self + .map + .get(&id) + .copied() + .unwrap_or_else(|| EffectiveVisibility::from_vis(lazy_private_vis())); let mut inherited_effective_vis_at_prev_level = *inherited_effective_vis.at_level(level); let mut calculated_effective_vis = inherited_effective_vis_at_prev_level; diff --git a/compiler/rustc_middle/src/middle/resolve_bound_vars.rs b/compiler/rustc_middle/src/middle/resolve_bound_vars.rs index b96d07e7dc8..c59704fc023 100644 --- a/compiler/rustc_middle/src/middle/resolve_bound_vars.rs +++ b/compiler/rustc_middle/src/middle/resolve_bound_vars.rs @@ -3,6 +3,7 @@ use crate::ty; use rustc_data_structures::fx::FxHashMap; +use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::DefId; use rustc_hir::{ItemLocalId, OwnerId}; use rustc_macros::HashStable; @@ -13,6 +14,7 @@ pub enum ResolvedArg { EarlyBound(/* decl */ DefId), LateBound(ty::DebruijnIndex, /* late-bound index */ u32, /* decl */ DefId), Free(DefId, /* lifetime decl */ DefId), + Error(ErrorGuaranteed), } /// A set containing, at most, one known element. diff --git a/compiler/rustc_middle/src/middle/stability.rs b/compiler/rustc_middle/src/middle/stability.rs index 0836f236e24..354c84e2209 100644 --- a/compiler/rustc_middle/src/middle/stability.rs +++ b/compiler/rustc_middle/src/middle/stability.rs @@ -255,7 +255,7 @@ fn late_report_deprecation( let method_span = method_span.unwrap_or(span); tcx.struct_span_lint_hir(lint, hir_id, method_span, message, |diag| { if let hir::Node::Expr(_) = tcx.hir().get(hir_id) { - let kind = tcx.def_kind(def_id).descr(def_id); + let kind = tcx.def_descr(def_id); deprecation_suggestion(diag, kind, suggestion, method_span); } diag @@ -392,7 +392,7 @@ impl<'tcx> TyCtxt<'tcx> { let lint = deprecation_lint(is_in_effect); if self.lint_level_at_node(lint, id).0 != Level::Allow { let def_path = with_no_trimmed_paths!(self.def_path_str(def_id)); - let def_kind = self.def_kind(def_id).descr(def_id); + let def_kind = self.def_descr(def_id); late_report_deprecation( self, diff --git a/compiler/rustc_middle/src/mir/interpret/queries.rs b/compiler/rustc_middle/src/mir/interpret/queries.rs index b6c6e9d559c..856d821a5cf 100644 --- a/compiler/rustc_middle/src/mir/interpret/queries.rs +++ b/compiler/rustc_middle/src/mir/interpret/queries.rs @@ -2,7 +2,7 @@ use super::{ErrorHandled, EvalToConstValueResult, EvalToValTreeResult, GlobalId} use crate::mir; use crate::ty::subst::InternalSubsts; -use crate::ty::visit::TypeVisitable; +use crate::ty::visit::TypeVisitableExt; use crate::ty::{self, query::TyCtxtAt, query::TyCtxtEnsure, TyCtxt}; use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index f955b312b23..ccd8a333866 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -7,10 +7,10 @@ use crate::mir::interpret::{ }; use crate::mir::visit::MirVisitable; use crate::ty::codec::{TyDecoder, TyEncoder}; -use crate::ty::fold::{ir::TypeFoldable, FallibleTypeFolder}; +use crate::ty::fold::{FallibleTypeFolder, TypeFoldable}; use crate::ty::print::{FmtPrinter, Printer}; -use crate::ty::visit::{TypeVisitable, TypeVisitor}; -use crate::ty::{self, ir, DefIdTree, List, Ty, TyCtxt}; +use crate::ty::visit::{TypeVisitable, TypeVisitableExt, TypeVisitor}; +use crate::ty::{self, DefIdTree, List, Ty, TyCtxt}; use crate::ty::{AdtDef, InstanceDef, ScalarInt, UserTypeAnnotationIndex}; use crate::ty::{GenericArg, InternalSubsts, SubstsRef}; @@ -2525,14 +2525,12 @@ impl<'tcx> ConstantKind<'tcx> { } let hir_id = tcx.hir().local_def_id_to_hir_id(def.did); - let parent_substs = if let Some(parent_hir_id) = tcx.hir().opt_parent_id(hir_id) { - if let Some(parent_did) = parent_hir_id.as_owner() { - InternalSubsts::identity_for_item(tcx, parent_did.to_def_id()) - } else { - tcx.mk_substs(Vec::<GenericArg<'tcx>>::new().into_iter()) - } + let parent_substs = if let Some(parent_hir_id) = tcx.hir().opt_parent_id(hir_id) + && let Some(parent_did) = parent_hir_id.as_owner() + { + InternalSubsts::identity_for_item(tcx, parent_did.to_def_id()) } else { - tcx.mk_substs(Vec::<GenericArg<'tcx>>::new().into_iter()) + tcx.intern_substs(&[]) }; debug!(?parent_substs); @@ -2757,7 +2755,10 @@ impl UserTypeProjection { } impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for UserTypeProjection { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { Ok(UserTypeProjection { base: self.base.try_fold_with(folder)?, projs: self.projs.try_fold_with(folder)?, @@ -2765,8 +2766,11 @@ impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for UserTypeProjection { } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for UserTypeProjection { - fn visit_with<Vs: TypeVisitor<'tcx>>(&self, visitor: &mut Vs) -> ControlFlow<Vs::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for UserTypeProjection { + fn visit_with<Vs: TypeVisitor<TyCtxt<'tcx>>>( + &self, + visitor: &mut Vs, + ) -> ControlFlow<Vs::BreakTy> { self.base.visit_with(visitor) // Note: there's nothing in `self.proj` to visit. } diff --git a/compiler/rustc_middle/src/mir/syntax.rs b/compiler/rustc_middle/src/mir/syntax.rs index 66ee6818789..ae09562a85e 100644 --- a/compiler/rustc_middle/src/mir/syntax.rs +++ b/compiler/rustc_middle/src/mir/syntax.rs @@ -671,6 +671,12 @@ pub enum TerminatorKind<'tcx> { /// as parameters, and `None` for the destination. Keep in mind that the `cleanup` path is not /// necessarily executed even in the case of a panic, for example in `-C panic=abort`. If the /// assertion does not fail, execution continues at the specified basic block. + /// + /// When overflow checking is disabled and this is run-time MIR (as opposed to compile-time MIR + /// that is used for CTFE), the following variants of this terminator behave as `goto target`: + /// - `OverflowNeg(..)`, + /// - `Overflow(op, ..)` if op is a "checkable" operation (add, sub, mul, shl, shr, but NOT + /// div or rem). Assert { cond: Operand<'tcx>, expected: bool, @@ -1103,10 +1109,6 @@ pub enum Rvalue<'tcx> { /// Same as `BinaryOp`, but yields `(T, bool)` with a `bool` indicating an error condition. /// - /// When overflow checking is disabled and we are generating run-time code, the error condition - /// is false. Otherwise, and always during CTFE, the error condition is determined as described - /// below. - /// /// For addition, subtraction, and multiplication on integers the error condition is set when /// the infinite precision result would be unequal to the actual result. /// diff --git a/compiler/rustc_middle/src/mir/type_foldable.rs b/compiler/rustc_middle/src/mir/type_foldable.rs index ce06a0ef060..d0936d950b3 100644 --- a/compiler/rustc_middle/src/mir/type_foldable.rs +++ b/compiler/rustc_middle/src/mir/type_foldable.rs @@ -31,19 +31,28 @@ TrivialTypeTraversalImpls! { } impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx [InlineAsmTemplatePiece] { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, _folder: &mut F) -> Result<Self, F::Error> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + _folder: &mut F, + ) -> Result<Self, F::Error> { Ok(self) } } impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx [Span] { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, _folder: &mut F) -> Result<Self, F::Error> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + _folder: &mut F, + ) -> Result<Self, F::Error> { Ok(self) } } impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<PlaceElem<'tcx>> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { ty::util::fold_list(self, folder, |tcx, v| tcx.intern_place_elems(v)) } } diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index 3ddac5e11fb..7f0935fb149 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -323,7 +323,7 @@ macro_rules! make_mir_visitor { self.visit_source_scope($(& $mutability)? *parent_scope); } if let Some((callee, callsite_span)) = inlined { - let location = START_BLOCK.start_location(); + let location = Location::START; self.visit_span($(& $mutability)? *callsite_span); @@ -837,7 +837,7 @@ macro_rules! make_mir_visitor { } = var_debug_info; self.visit_source_info(source_info); - let location = START_BLOCK.start_location(); + let location = Location::START; match value { VarDebugInfoContents::Const(c) => self.visit_constant(c, location), VarDebugInfoContents::Place(place) => @@ -1026,7 +1026,7 @@ macro_rules! super_body { $self.visit_span($(& $mutability)? $body.span); for const_ in &$($mutability)? $body.required_consts { - let location = START_BLOCK.start_location(); + let location = Location::START; $self.visit_constant(const_, location); } } @@ -1214,7 +1214,7 @@ impl<'tcx> MirVisitable<'tcx> for Option<Terminator<'tcx>> { /// Extra information passed to `visit_ty` and friends to give context /// about where the type etc appears. -#[derive(Debug)] +#[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)] pub enum TyContext { LocalDecl { /// The index of the local variable we are visiting. diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 1ccad25fe08..6a34e5ede19 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -33,7 +33,7 @@ rustc_queries! { } query resolver_for_lowering(_: ()) -> &'tcx Steal<(ty::ResolverAstLowering, Lrc<ast::Crate>)> { - feedable + eval_always no_hash desc { "getting the resolver for lowering" } } @@ -85,11 +85,10 @@ rustc_queries! { desc { |tcx| "getting HIR owner of `{}`", tcx.def_path_str(key.to_def_id()) } } - /// Gives access to the HIR ID for the given `LocalDefId` owner `key`. + /// Gives access to the HIR ID for the given `LocalDefId` owner `key` if any. /// - /// This can be conveniently accessed by methods on `tcx.hir()`. - /// Avoid calling this query directly. - query local_def_id_to_hir_id(key: LocalDefId) -> hir::HirId { + /// Definitions that were generated with no HIR, would be feeded to return `None`. + query opt_local_def_id_to_hir_id(key: LocalDefId) -> Option<hir::HirId>{ desc { |tcx| "getting HIR ID of `{}`", tcx.def_path_str(key.to_def_id()) } } @@ -729,15 +728,14 @@ rustc_queries! { } /// Maps from a trait item to the trait item "descriptor". - query associated_item(key: DefId) -> &'tcx ty::AssocItem { + query associated_item(key: DefId) -> ty::AssocItem { desc { |tcx| "computing associated item data for `{}`", tcx.def_path_str(key) } - arena_cache cache_on_disk_if { key.is_local() } separate_provide_extern } /// Collects the associated items defined on a trait or impl. - query associated_items(key: DefId) -> &'tcx ty::AssocItems<'tcx> { + query associated_items(key: DefId) -> &'tcx ty::AssocItems { arena_cache desc { |tcx| "collecting associated items of `{}`", tcx.def_path_str(key) } } @@ -768,6 +766,26 @@ rustc_queries! { desc { |tcx| "comparing impl items against trait for `{}`", tcx.def_path_str(impl_id) } } + /// Given `fn_def_id` of a trait or of an impl that implements a given trait: + /// if `fn_def_id` is the def id of a function defined inside a trait, then it creates and returns + /// the associated items that correspond to each impl trait in return position for that trait. + /// if `fn_def_id` is the def id of a function defined inside an impl that implements a trait, then it + /// creates and returns the associated items that correspond to each impl trait in return position + /// of the implemented trait. + query associated_items_for_impl_trait_in_trait(fn_def_id: DefId) -> &'tcx [DefId] { + desc { |tcx| "creating associated items for impl trait in trait returned by `{}`", tcx.def_path_str(fn_def_id) } + cache_on_disk_if { fn_def_id.is_local() } + separate_provide_extern + } + + /// Given an impl trait in trait `opaque_ty_def_id`, create and return the corresponding + /// associated item. + query associated_item_for_impl_trait_in_trait(opaque_ty_def_id: LocalDefId) -> LocalDefId { + desc { |tcx| "creates the associated item corresponding to the opaque type `{}`", tcx.def_path_str(opaque_ty_def_id.to_def_id()) } + cache_on_disk_if { true } + separate_provide_extern + } + /// Given an `impl_id`, return the trait it implements. /// Return `None` if this is an inherent impl. query impl_trait_ref(impl_id: DefId) -> Option<ty::EarlyBinder<ty::TraitRef<'tcx>>> { @@ -2078,6 +2096,18 @@ rustc_queries! { desc { "looking up enabled feature gates" } } + query metadata_loader((): ()) -> &'tcx Steal<Box<rustc_session::cstore::MetadataLoaderDyn>> { + feedable + no_hash + desc { "raw operations for metadata file access" } + } + + query crate_for_resolver((): ()) -> &'tcx Steal<rustc_ast::ast::Crate> { + feedable + no_hash + desc { "the ast before macro expansion and name resolution" } + } + /// Attempt to resolve the given `DefId` to an `Instance`, for the /// given generics args (`SubstsRef`), returning one of: /// * `Ok(Some(instance))` on success diff --git a/compiler/rustc_middle/src/traits/query.rs b/compiler/rustc_middle/src/traits/query.rs index 615154a55e5..c4f8718754f 100644 --- a/compiler/rustc_middle/src/traits/query.rs +++ b/compiler/rustc_middle/src/traits/query.rs @@ -14,7 +14,7 @@ use rustc_span::source_map::Span; pub mod type_op { use crate::ty::fold::TypeFoldable; - use crate::ty::{Predicate, Ty, UserType}; + use crate::ty::{Predicate, Ty, TyCtxt, UserType}; use std::fmt; #[derive(Copy, Clone, Debug, Hash, PartialEq, Eq, HashStable, Lift)] @@ -64,7 +64,7 @@ pub mod type_op { impl<'tcx, T> Normalize<T> where - T: fmt::Debug + TypeFoldable<'tcx>, + T: fmt::Debug + TypeFoldable<TyCtxt<'tcx>>, { pub fn new(value: T) -> Self { Self { value } diff --git a/compiler/rustc_middle/src/traits/solve.rs b/compiler/rustc_middle/src/traits/solve.rs index bddf84880d2..aadbce9e2ff 100644 --- a/compiler/rustc_middle/src/traits/solve.rs +++ b/compiler/rustc_middle/src/traits/solve.rs @@ -3,8 +3,7 @@ use std::ops::ControlFlow; use rustc_data_structures::intern::Interned; use crate::ty::{ - ir::{self, TypeFoldable, TypeVisitable}, - FallibleTypeFolder, Ty, TyCtxt, TypeFolder, TypeVisitor, + FallibleTypeFolder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeVisitable, TypeVisitor, }; #[derive(Debug, PartialEq, Eq, Copy, Clone, Hash)] @@ -27,8 +26,11 @@ pub struct ExternalConstraintsData<'tcx> { } impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ExternalConstraints<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { - Ok(ir::FallibleTypeFolder::interner(folder).intern_external_constraints( + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { + Ok(FallibleTypeFolder::interner(folder).intern_external_constraints( ExternalConstraintsData { regions: (), opaque_types: self @@ -40,8 +42,8 @@ impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ExternalConstraints<'tcx> { )) } - fn fold_with<F: TypeFolder<'tcx>>(self, folder: &mut F) -> Self { - ir::TypeFolder::interner(folder).intern_external_constraints(ExternalConstraintsData { + fn fold_with<F: TypeFolder<TyCtxt<'tcx>>>(self, folder: &mut F) -> Self { + TypeFolder::interner(folder).intern_external_constraints(ExternalConstraintsData { regions: (), opaque_types: self.opaque_types.iter().map(|opaque| opaque.fold_with(folder)).collect(), }) @@ -49,7 +51,7 @@ impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ExternalConstraints<'tcx> { } impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ExternalConstraints<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>( + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( &self, visitor: &mut V, ) -> std::ops::ControlFlow<V::BreakTy> { diff --git a/compiler/rustc_middle/src/traits/specialization_graph.rs b/compiler/rustc_middle/src/traits/specialization_graph.rs index 2f52767d12a..c016f722750 100644 --- a/compiler/rustc_middle/src/traits/specialization_graph.rs +++ b/compiler/rustc_middle/src/traits/specialization_graph.rs @@ -1,6 +1,6 @@ use crate::error::StrictCoherenceNeedsNegativeCoherence; use crate::ty::fast_reject::SimplifiedType; -use crate::ty::visit::TypeVisitable; +use crate::ty::visit::TypeVisitableExt; use crate::ty::{self, TyCtxt}; use rustc_data_structures::fx::FxIndexMap; use rustc_errors::ErrorGuaranteed; @@ -133,11 +133,7 @@ impl Node { /// /// If this returns `None`, the item can potentially still be found in /// parents of this node. - pub fn item<'tcx>( - &self, - tcx: TyCtxt<'tcx>, - trait_item_def_id: DefId, - ) -> Option<&'tcx ty::AssocItem> { + pub fn item<'tcx>(&self, tcx: TyCtxt<'tcx>, trait_item_def_id: DefId) -> Option<ty::AssocItem> { match *self { Node::Trait(_) => Some(tcx.associated_item(trait_item_def_id)), Node::Impl(impl_def_id) => { @@ -239,7 +235,7 @@ impl<'tcx> Ancestors<'tcx> { } } - Some(LeafDef { item: *item, defining_node: node, finalizing_node }) + Some(LeafDef { item, defining_node: node, finalizing_node }) } else { // Item not mentioned. This "finalizes" any defaulted item provided by an ancestor. finalizing_node = Some(node); diff --git a/compiler/rustc_middle/src/ty/_match.rs b/compiler/rustc_middle/src/ty/_match.rs index b9c5a4e0d0d..df9aa765dc1 100644 --- a/compiler/rustc_middle/src/ty/_match.rs +++ b/compiler/rustc_middle/src/ty/_match.rs @@ -89,9 +89,7 @@ impl<'tcx> TypeRelation<'tcx> for Match<'tcx> { Err(TypeError::Sorts(relate::expected_found(self, a, b))) } - (&ty::Error(guar), _) | (_, &ty::Error(guar)) => { - Ok(self.tcx().ty_error_with_guaranteed(guar)) - } + (&ty::Error(guar), _) | (_, &ty::Error(guar)) => Ok(self.tcx().ty_error(guar)), _ => relate::super_relate_tys(self, a, b), } diff --git a/compiler/rustc_middle/src/ty/abstract_const.rs b/compiler/rustc_middle/src/ty/abstract_const.rs index b7f0a0be75e..f889ce82706 100644 --- a/compiler/rustc_middle/src/ty/abstract_const.rs +++ b/compiler/rustc_middle/src/ty/abstract_const.rs @@ -1,6 +1,7 @@ //! A subset of a mir body used for const evaluatability checking. use crate::ty::{ - self, ir::TypeFolder, Const, EarlyBinder, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, + self, Const, EarlyBinder, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, + TypeVisitableExt, }; use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::DefId; @@ -47,7 +48,7 @@ impl<'tcx> TyCtxt<'tcx> { Ok(ac?.map(|ac| EarlyBinder(ac))) } - pub fn expand_abstract_consts<T: TypeFoldable<'tcx>>(self, ac: T) -> T { + pub fn expand_abstract_consts<T: TypeFoldable<TyCtxt<'tcx>>>(self, ac: T) -> T { struct Expander<'tcx> { tcx: TyCtxt<'tcx>, } diff --git a/compiler/rustc_middle/src/ty/assoc.rs b/compiler/rustc_middle/src/ty/assoc.rs index 756776dc294..f1a9e50a4f0 100644 --- a/compiler/rustc_middle/src/ty/assoc.rs +++ b/compiler/rustc_middle/src/ty/assoc.rs @@ -129,13 +129,13 @@ impl std::fmt::Display for AssocKind { /// it is relatively expensive. Instead, items are indexed by `Symbol` and hygienic comparison is /// done only on items with the same name. #[derive(Debug, Clone, PartialEq, HashStable)] -pub struct AssocItems<'tcx> { - items: SortedIndexMultiMap<u32, Symbol, &'tcx ty::AssocItem>, +pub struct AssocItems { + items: SortedIndexMultiMap<u32, Symbol, ty::AssocItem>, } -impl<'tcx> AssocItems<'tcx> { +impl AssocItems { /// Constructs an `AssociatedItems` map from a series of `ty::AssocItem`s in definition order. - pub fn new(items_in_def_order: impl IntoIterator<Item = &'tcx ty::AssocItem>) -> Self { + pub fn new(items_in_def_order: impl IntoIterator<Item = ty::AssocItem>) -> Self { let items = items_in_def_order.into_iter().map(|item| (item.name, item)).collect(); AssocItems { items } } @@ -145,7 +145,7 @@ impl<'tcx> AssocItems<'tcx> { /// New code should avoid relying on definition order. If you need a particular associated item /// for a known trait, make that trait a lang item instead of indexing this array. pub fn in_definition_order(&self) -> impl '_ + Iterator<Item = &ty::AssocItem> { - self.items.iter().map(|(_, v)| *v) + self.items.iter().map(|(_, v)| v) } pub fn len(&self) -> usize { @@ -157,7 +157,7 @@ impl<'tcx> AssocItems<'tcx> { &self, name: Symbol, ) -> impl '_ + Iterator<Item = &ty::AssocItem> { - self.items.get_by_key(name).copied() + self.items.get_by_key(name) } /// Returns the associated item with the given name and `AssocKind`, if one exists. diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 08e2ef0cada..884ae7f5da2 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -149,6 +149,9 @@ impl<'tcx> Const<'tcx> { ty::ConstKind::Bound(debruijn, ty::BoundVar::from_u32(index)), ty, )), + Some(rbv::ResolvedArg::Error(guar)) => { + Some(tcx.const_error_with_guaranteed(ty, guar)) + } arg => bug!("unexpected bound var resolution for {:?}: {arg:?}", expr.hir_id), } } diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs index 58c5e21df66..560caa041a7 100644 --- a/compiler/rustc_middle/src/ty/consts/kind.rs +++ b/compiler/rustc_middle/src/ty/consts/kind.rs @@ -4,7 +4,7 @@ use crate::mir::interpret::{AllocId, ConstValue, Scalar}; use crate::ty::abstract_const::CastKind; use crate::ty::subst::{InternalSubsts, SubstsRef}; use crate::ty::ParamEnv; -use crate::ty::{self, List, Ty, TyCtxt, TypeVisitable}; +use crate::ty::{self, List, Ty, TyCtxt, TypeVisitableExt}; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::DefId; @@ -217,23 +217,21 @@ impl<'tcx> ConstKind<'tcx> { // Note that we erase regions *before* calling `with_reveal_all_normalized`, // so that we don't try to invoke this query with // any region variables. - let param_env_and = tcx - .erase_regions(param_env) - .with_reveal_all_normalized(tcx) - .and(tcx.erase_regions(unevaluated)); // HACK(eddyb) when the query key would contain inference variables, // attempt using identity substs and `ParamEnv` instead, that will succeed // when the expression doesn't depend on any parameters. // FIXME(eddyb, skinny121) pass `InferCtxt` into here when it's available, so that // we can call `infcx.const_eval_resolve` which handles inference variables. - let param_env_and = if param_env_and.needs_infer() { + let param_env_and = if (param_env, unevaluated).has_non_region_infer() { tcx.param_env(unevaluated.def.did).and(ty::UnevaluatedConst { def: unevaluated.def, substs: InternalSubsts::identity_for_item(tcx, unevaluated.def.did), }) } else { - param_env_and + tcx.erase_regions(param_env) + .with_reveal_all_normalized(tcx) + .and(tcx.erase_regions(unevaluated)) }; // FIXME(eddyb) maybe the `const_eval_*` methods should take diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 117f3decd1a..796daa7646f 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -36,7 +36,7 @@ use rustc_data_structures::profiling::SelfProfilerRef; use rustc_data_structures::sharded::{IntoPointer, ShardedHashMap}; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::steal::Steal; -use rustc_data_structures::sync::{self, Lock, Lrc, ReadGuard, WorkerLocal}; +use rustc_data_structures::sync::{self, Lock, Lrc, MappedReadGuard, ReadGuard, WorkerLocal}; use rustc_errors::{ DecorateLint, DiagnosticBuilder, DiagnosticMessage, ErrorGuaranteed, MultiSpan, }; @@ -67,7 +67,7 @@ use rustc_target::abi::{Layout, LayoutS, TargetDataLayout, VariantIdx}; use rustc_target::spec::abi; use rustc_type_ir::sty::TyKind::*; use rustc_type_ir::WithCachedTypeInfo; -use rustc_type_ir::{DynKind, InternAs, InternIteratorElement, Interner, TypeFlags}; +use rustc_type_ir::{CollectAndApply, DynKind, Interner, TypeFlags}; use std::any::Any; use std::borrow::Borrow; @@ -718,13 +718,13 @@ impl<'tcx> TyCtxt<'tcx> { /// Constructs a `TyKind::Error` type with current `ErrorGuaranteed` #[track_caller] - pub fn ty_error_with_guaranteed(self, reported: ErrorGuaranteed) -> Ty<'tcx> { + pub fn ty_error(self, reported: ErrorGuaranteed) -> Ty<'tcx> { self.mk_ty(Error(reported)) } /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` to ensure it gets used. #[track_caller] - pub fn ty_error(self) -> Ty<'tcx> { + pub fn ty_error_misc(self) -> Ty<'tcx> { self.ty_error_with_message(DUMMY_SP, "TyKind::Error constructed but no error reported") } @@ -836,7 +836,7 @@ impl<'tcx> TyCtxt<'tcx> { if let Some(id) = id.as_local() { self.definitions_untracked().def_key(id) } else { - self.untracked.cstore.def_key(id) + self.cstore_untracked().def_key(id) } } @@ -850,7 +850,7 @@ impl<'tcx> TyCtxt<'tcx> { if let Some(id) = id.as_local() { self.definitions_untracked().def_path(id) } else { - self.untracked.cstore.def_path(id) + self.cstore_untracked().def_path(id) } } @@ -860,7 +860,7 @@ impl<'tcx> TyCtxt<'tcx> { if let Some(def_id) = def_id.as_local() { self.definitions_untracked().def_path_hash(def_id) } else { - self.untracked.cstore.def_path_hash(def_id) + self.cstore_untracked().def_path_hash(def_id) } } @@ -869,7 +869,7 @@ impl<'tcx> TyCtxt<'tcx> { if crate_num == LOCAL_CRATE { self.sess.local_stable_crate_id() } else { - self.untracked.cstore.stable_crate_id(crate_num) + self.cstore_untracked().stable_crate_id(crate_num) } } @@ -880,7 +880,7 @@ impl<'tcx> TyCtxt<'tcx> { if stable_crate_id == self.sess.local_stable_crate_id() { LOCAL_CRATE } else { - self.untracked.cstore.stable_crate_id_to_crate_num(stable_crate_id) + self.cstore_untracked().stable_crate_id_to_crate_num(stable_crate_id) } } @@ -899,7 +899,7 @@ impl<'tcx> TyCtxt<'tcx> { } else { // If this is a DefPathHash from an upstream crate, let the CrateStore map // it to a DefId. - let cstore = &*self.untracked.cstore; + let cstore = &*self.cstore_untracked(); let cnum = cstore.stable_crate_id_to_crate_num(stable_crate_id); cstore.def_path_hash_to_def_id(cnum, hash) } @@ -913,7 +913,7 @@ impl<'tcx> TyCtxt<'tcx> { let (crate_name, stable_crate_id) = if def_id.is_local() { (self.crate_name(LOCAL_CRATE), self.sess.local_stable_crate_id()) } else { - let cstore = &*self.untracked.cstore; + let cstore = &*self.cstore_untracked(); (cstore.crate_name(def_id.krate), cstore.stable_crate_id(def_id.krate)) }; @@ -1011,10 +1011,14 @@ impl<'tcx> TyCtxt<'tcx> { /// Note that this is *untracked* and should only be used within the query /// system if the result is otherwise tracked through queries - pub fn cstore_untracked(self) -> &'tcx CrateStoreDyn { - &*self.untracked.cstore + pub fn cstore_untracked(self) -> MappedReadGuard<'tcx, CrateStoreDyn> { + ReadGuard::map(self.untracked.cstore.read(), |c| &**c) } + /// Give out access to the untracked data without any sanity checks. + pub fn untracked(self) -> &'tcx Untracked { + &self.untracked + } /// Note that this is *untracked* and should only be used within the query /// system if the result is otherwise tracked through queries #[inline] @@ -1026,7 +1030,7 @@ impl<'tcx> TyCtxt<'tcx> { /// system if the result is otherwise tracked through queries #[inline] pub fn source_span_untracked(self, def_id: LocalDefId) -> Span { - self.untracked.source_span.get(def_id).copied().unwrap_or(DUMMY_SP) + self.untracked.source_span.get(def_id).unwrap_or(DUMMY_SP) } #[inline(always)] @@ -1190,19 +1194,14 @@ impl<'tcx> TyCtxt<'tcx> { self.mk_imm_ref( self.lifetimes.re_static, self.type_of(self.require_lang_item(LangItem::PanicLocation, None)) - .subst(self, self.mk_substs([self.lifetimes.re_static.into()].iter())), + .subst(self, self.intern_substs(&[self.lifetimes.re_static.into()])), ) } /// Returns a displayable description and article for the given `def_id` (e.g. `("a", "struct")`). pub fn article_and_description(self, def_id: DefId) -> (&'static str, &'static str) { - match self.def_kind(def_id) { - DefKind::Generator => match self.generator_kind(def_id).unwrap() { - rustc_hir::GeneratorKind::Async(..) => ("an", "async closure"), - rustc_hir::GeneratorKind::Gen => ("a", "generator"), - }, - def_kind => (def_kind.article(), def_kind.descr(def_id)), - } + let kind = self.def_kind(def_id); + (self.def_kind_descr_article(kind, def_id), self.def_kind_descr(kind, def_id)) } pub fn type_length_limit(self) -> Limit { @@ -1660,11 +1659,11 @@ impl<'tcx> TyCtxt<'tcx> { unsafety: hir::Unsafety, ) -> PolyFnSig<'tcx> { sig.map_bound(|s| { - let params_iter = match s.inputs()[0].kind() { - ty::Tuple(params) => params.into_iter(), + let params = match s.inputs()[0].kind() { + ty::Tuple(params) => *params, _ => bug!(), }; - self.mk_fn_sig(params_iter, s.output(), s.c_variadic, unsafety, abi::Abi::Rust) + self.mk_fn_sig(params, s.output(), s.c_variadic, unsafety, abi::Abi::Rust) }) } @@ -1835,8 +1834,12 @@ impl<'tcx> TyCtxt<'tcx> { if ts.is_empty() { self.types.unit } else { self.mk_ty(Tuple(self.intern_type_list(&ts))) } } - pub fn mk_tup<I: InternAs<Ty<'tcx>, Ty<'tcx>>>(self, iter: I) -> I::Output { - iter.intern_with(|ts| self.intern_tup(ts)) + pub fn mk_tup<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<Ty<'tcx>, Ty<'tcx>>, + { + T::collect_and_apply(iter, |ts| self.intern_tup(ts)) } #[inline] @@ -1853,7 +1856,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn mk_fn_def( self, def_id: DefId, - substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> Ty<'tcx> { let substs = self.check_substs(def_id, substs); self.mk_ty(FnDef(def_id, substs)) @@ -1863,7 +1866,7 @@ impl<'tcx> TyCtxt<'tcx> { fn check_substs( self, _def_id: DefId, - substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> SubstsRef<'tcx> { let substs = substs.into_iter().map(Into::into); #[cfg(debug_assertions)] @@ -1898,7 +1901,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn mk_projection( self, item_def_id: DefId, - substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> Ty<'tcx> { self.mk_alias(ty::Projection, self.mk_alias_ty(item_def_id, substs)) } @@ -2157,11 +2160,12 @@ impl<'tcx> TyCtxt<'tcx> { } } - pub fn mk_const_list<I: InternAs<ty::Const<'tcx>, &'tcx List<ty::Const<'tcx>>>>( - self, - iter: I, - ) -> I::Output { - iter.intern_with(|xs| self.intern_const_list(xs)) + pub fn mk_const_list<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<ty::Const<'tcx>, &'tcx List<ty::Const<'tcx>>>, + { + T::collect_and_apply(iter, |xs| self.intern_const_list(xs)) } pub fn intern_const_list(self, cs: &[ty::Const<'tcx>]) -> &'tcx List<ty::Const<'tcx>> { @@ -2210,18 +2214,24 @@ impl<'tcx> TyCtxt<'tcx> { if ts.is_empty() { List::empty() } else { self._intern_bound_variable_kinds(ts) } } - pub fn mk_fn_sig<I>( + // Unlike various other `mk_*` functions, this one uses `I: IntoIterator` + // instead of `I: Iterator`. Unlike those other functions, this one doesn't + // have a `intern_fn_sig` variant that can be used for cases where `I` is + // something like a `Vec`. That's because of the need to combine `inputs` + // and `output`. + pub fn mk_fn_sig<I, T>( self, inputs: I, output: I::Item, c_variadic: bool, unsafety: hir::Unsafety, abi: abi::Abi, - ) -> <I::Item as InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>>::Output + ) -> T::Output where - I: Iterator<Item: InternIteratorElement<Ty<'tcx>, ty::FnSig<'tcx>>>, + I: IntoIterator<Item = T>, + T: CollectAndApply<Ty<'tcx>, ty::FnSig<'tcx>>, { - inputs.chain(iter::once(output)).intern_with(|xs| ty::FnSig { + T::collect_and_apply(inputs.into_iter().chain(iter::once(output)), |xs| ty::FnSig { inputs_and_output: self.intern_type_list(xs), c_variadic, unsafety, @@ -2229,38 +2239,47 @@ impl<'tcx> TyCtxt<'tcx> { }) } - pub fn mk_poly_existential_predicates< - I: InternAs<PolyExistentialPredicate<'tcx>, &'tcx List<PolyExistentialPredicate<'tcx>>>, - >( - self, - iter: I, - ) -> I::Output { - iter.intern_with(|xs| self.intern_poly_existential_predicates(xs)) + pub fn mk_poly_existential_predicates<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply< + PolyExistentialPredicate<'tcx>, + &'tcx List<PolyExistentialPredicate<'tcx>>, + >, + { + T::collect_and_apply(iter, |xs| self.intern_poly_existential_predicates(xs)) } - pub fn mk_predicates<I: InternAs<Predicate<'tcx>, &'tcx List<Predicate<'tcx>>>>( - self, - iter: I, - ) -> I::Output { - iter.intern_with(|xs| self.intern_predicates(xs)) + pub fn mk_predicates<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<Predicate<'tcx>, &'tcx List<Predicate<'tcx>>>, + { + T::collect_and_apply(iter, |xs| self.intern_predicates(xs)) } - pub fn mk_type_list<I: InternAs<Ty<'tcx>, &'tcx List<Ty<'tcx>>>>(self, iter: I) -> I::Output { - iter.intern_with(|xs| self.intern_type_list(xs)) + pub fn mk_type_list<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<Ty<'tcx>, &'tcx List<Ty<'tcx>>>, + { + T::collect_and_apply(iter, |xs| self.intern_type_list(xs)) } - pub fn mk_substs<I: InternAs<GenericArg<'tcx>, &'tcx List<GenericArg<'tcx>>>>( - self, - iter: I, - ) -> I::Output { - iter.intern_with(|xs| self.intern_substs(xs)) + pub fn mk_substs<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<GenericArg<'tcx>, &'tcx List<GenericArg<'tcx>>>, + { + T::collect_and_apply(iter, |xs| self.intern_substs(xs)) } - pub fn mk_place_elems<I: InternAs<PlaceElem<'tcx>, &'tcx List<PlaceElem<'tcx>>>>( - self, - iter: I, - ) -> I::Output { - iter.intern_with(|xs| self.intern_place_elems(xs)) + pub fn mk_place_elems<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<PlaceElem<'tcx>, &'tcx List<PlaceElem<'tcx>>>, + { + T::collect_and_apply(iter, |xs| self.intern_place_elems(xs)) } pub fn mk_substs_trait( @@ -2274,7 +2293,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn mk_trait_ref( self, trait_def_id: DefId, - substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> ty::TraitRef<'tcx> { let substs = self.check_substs(trait_def_id, substs); ty::TraitRef { def_id: trait_def_id, substs, _use_mk_trait_ref_instead: () } @@ -2283,19 +2302,18 @@ impl<'tcx> TyCtxt<'tcx> { pub fn mk_alias_ty( self, def_id: DefId, - substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> ty::AliasTy<'tcx> { let substs = self.check_substs(def_id, substs); ty::AliasTy { def_id, substs, _use_mk_alias_ty_instead: () } } - pub fn mk_bound_variable_kinds< - I: InternAs<ty::BoundVariableKind, &'tcx List<ty::BoundVariableKind>>, - >( - self, - iter: I, - ) -> I::Output { - iter.intern_with(|xs| self.intern_bound_variable_kinds(xs)) + pub fn mk_bound_variable_kinds<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply<ty::BoundVariableKind, &'tcx List<ty::BoundVariableKind>>, + { + T::collect_and_apply(iter, |xs| self.intern_bound_variable_kinds(xs)) } /// Emit a lint at `span` from a lint struct (some type that implements `DecorateLint`, @@ -2380,13 +2398,13 @@ impl<'tcx> TyCtxt<'tcx> { } pub fn late_bound_vars(self, id: HirId) -> &'tcx List<ty::BoundVariableKind> { - self.mk_bound_variable_kinds( - self.late_bound_vars_map(id.owner) + self.intern_bound_variable_kinds( + &self + .late_bound_vars_map(id.owner) .and_then(|map| map.get(&id.local_id).cloned()) .unwrap_or_else(|| { bug!("No bound vars found for {}", self.hir().node_to_string(id)) - }) - .iter(), + }), ) } @@ -2428,6 +2446,10 @@ impl<'tcx> TyCtxt<'tcx> { ) } + pub fn local_def_id_to_hir_id(self, local_def_id: LocalDefId) -> HirId { + self.opt_local_def_id_to_hir_id(local_def_id).unwrap() + } + pub fn trait_solver_next(self) -> bool { self.sess.opts.unstable_opts.trait_solver == rustc_session::config::TraitSolver::Next } @@ -2436,7 +2458,7 @@ impl<'tcx> TyCtxt<'tcx> { impl<'tcx> TyCtxtAt<'tcx> { /// Constructs a `TyKind::Error` type and registers a `delay_span_bug` to ensure it gets used. #[track_caller] - pub fn ty_error(self) -> Ty<'tcx> { + pub fn ty_error_misc(self) -> Ty<'tcx> { self.tcx.ty_error_with_message(self.span, "TyKind::Error constructed but no error reported") } @@ -2450,7 +2472,7 @@ impl<'tcx> TyCtxtAt<'tcx> { pub fn mk_trait_ref( self, trait_lang_item: LangItem, - substs: impl IntoIterator<Item = impl Into<ty::GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<ty::GenericArg<'tcx>>>, ) -> ty::TraitRef<'tcx> { let trait_def_id = self.require_lang_item(trait_lang_item, Some(self.span)); self.tcx.mk_trait_ref(trait_def_id, substs) @@ -2498,6 +2520,5 @@ pub fn provide(providers: &mut ty::query::Providers) { // We want to check if the panic handler was defined in this crate tcx.lang_items().panic_impl().map_or(false, |did| did.is_local()) }; - providers.source_span = - |tcx, def_id| tcx.untracked.source_span.get(def_id).copied().unwrap_or(DUMMY_SP); + providers.source_span = |tcx, def_id| tcx.untracked.source_span.get(def_id).unwrap_or(DUMMY_SP); } diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index a029c1b209d..e894e1aaf36 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -3,10 +3,9 @@ use std::ops::ControlFlow; use crate::ty::{ - ir::{FallibleTypeFolder, TypeVisitor}, - visit::TypeVisitable, - AliasTy, Const, ConstKind, DefIdTree, InferConst, InferTy, Opaque, PolyTraitPredicate, - Projection, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, TypeSuperVisitable, + AliasTy, Const, ConstKind, DefIdTree, FallibleTypeFolder, InferConst, InferTy, Opaque, + PolyTraitPredicate, Projection, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, + TypeSuperVisitable, TypeVisitable, TypeVisitor, }; use rustc_data_structures::fx::FxHashMap; @@ -95,7 +94,7 @@ pub trait IsSuggestable<'tcx>: Sized { impl<'tcx, T> IsSuggestable<'tcx> for T where - T: TypeVisitable<'tcx> + TypeFoldable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>> + TypeFoldable<TyCtxt<'tcx>>, { fn is_suggestable(self, tcx: TyCtxt<'tcx>, infer_suggestable: bool) -> bool { self.visit_with(&mut IsSuggestableVisitor { tcx, infer_suggestable }).is_continue() @@ -612,3 +611,11 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for MakeSuggestableFolder<'tcx> { c.try_super_fold_with(self) } } + +#[derive(Diagnostic)] +#[diag(middle_const_not_used_in_type_alias)] +pub(super) struct ConstNotUsedTraitAlias { + pub ct: String, + #[primary_span] + pub span: Span, +} diff --git a/compiler/rustc_middle/src/ty/erase_regions.rs b/compiler/rustc_middle/src/ty/erase_regions.rs index d3b031bf875..38377324832 100644 --- a/compiler/rustc_middle/src/ty/erase_regions.rs +++ b/compiler/rustc_middle/src/ty/erase_regions.rs @@ -1,5 +1,5 @@ -use crate::ty::fold::{ir::TypeFolder, TypeFoldable, TypeSuperFoldable}; -use crate::ty::{self, Ty, TyCtxt, TypeFlags}; +use crate::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; +use crate::ty::{self, Ty, TyCtxt, TypeFlags, TypeVisitableExt}; pub(super) fn provide(providers: &mut ty::query::Providers) { *providers = ty::query::Providers { erase_regions_ty, ..*providers }; @@ -17,7 +17,7 @@ impl<'tcx> TyCtxt<'tcx> { /// subtyping, but they are anonymized and normalized as well).. pub fn erase_regions<T>(self, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { // If there's nothing to erase avoid performing the query at all if !value.has_type_flags(TypeFlags::HAS_LATE_BOUND | TypeFlags::HAS_FREE_REGIONS) { @@ -45,7 +45,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for RegionEraserVisitor<'tcx> { fn fold_binder<T>(&mut self, t: ty::Binder<'tcx, T>) -> ty::Binder<'tcx, T> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let u = self.tcx.anonymize_bound_vars(t); u.super_fold_with(self) diff --git a/compiler/rustc_middle/src/ty/fast_reject.rs b/compiler/rustc_middle/src/ty/fast_reject.rs index 106ce9990e1..59deade0a07 100644 --- a/compiler/rustc_middle/src/ty/fast_reject.rs +++ b/compiler/rustc_middle/src/ty/fast_reject.rs @@ -1,6 +1,6 @@ use crate::mir::Mutability; use crate::ty::subst::GenericArgKind; -use crate::ty::{self, Ty, TyCtxt, TypeVisitable}; +use crate::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_hir::def_id::DefId; use std::fmt::Debug; use std::hash::Hash; diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index ee36e60bff1..e8a73832ce4 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -1,19 +1,10 @@ -use crate::ty::{self, Binder, BoundTy, Ty, TyCtxt, TypeVisitable}; +use crate::ty::{self, Binder, BoundTy, Ty, TyCtxt, TypeVisitableExt}; use rustc_data_structures::fx::FxIndexMap; use rustc_hir::def_id::DefId; use std::collections::BTreeMap; -pub trait TypeFoldable<'tcx> = ir::TypeFoldable<TyCtxt<'tcx>> + TypeVisitable<'tcx>; -pub trait TypeSuperFoldable<'tcx> = ir::TypeSuperFoldable<TyCtxt<'tcx>>; -pub trait TypeFolder<'tcx> = ir::TypeFolder<TyCtxt<'tcx>>; -pub trait FallibleTypeFolder<'tcx> = ir::FallibleTypeFolder<TyCtxt<'tcx>>; - -pub mod ir { - pub use rustc_type_ir::fold::{ - FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable, - }; -} +pub use rustc_type_ir::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; /////////////////////////////////////////////////////////////////////////// // Some sample folders @@ -30,7 +21,7 @@ where pub ct_op: H, } -impl<'tcx, F, G, H> ir::TypeFolder<TyCtxt<'tcx>> for BottomUpFolder<'tcx, F, G, H> +impl<'tcx, F, G, H> TypeFolder<TyCtxt<'tcx>> for BottomUpFolder<'tcx, F, G, H> where F: FnMut(Ty<'tcx>) -> Ty<'tcx>, G: FnMut(ty::Region<'tcx>) -> ty::Region<'tcx>, @@ -69,7 +60,7 @@ impl<'tcx> TyCtxt<'tcx> { mut f: impl FnMut(ty::Region<'tcx>, ty::DebruijnIndex) -> ty::Region<'tcx>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { value.fold_with(&mut RegionFolder::new(self, &mut f)) } @@ -80,7 +71,7 @@ impl<'tcx> TyCtxt<'tcx> { mut f: impl FnMut(ty::Region<'tcx>, ty::DebruijnIndex) -> ty::Region<'tcx>, ) -> T where - T: TypeSuperFoldable<'tcx>, + T: TypeSuperFoldable<TyCtxt<'tcx>>, { value.super_fold_with(&mut RegionFolder::new(self, &mut f)) } @@ -120,12 +111,12 @@ impl<'a, 'tcx> RegionFolder<'a, 'tcx> { } } -impl<'a, 'tcx> ir::TypeFolder<TyCtxt<'tcx>> for RegionFolder<'a, 'tcx> { +impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for RegionFolder<'a, 'tcx> { fn interner(&self) -> TyCtxt<'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -194,7 +185,7 @@ impl<'tcx, D: BoundVarReplacerDelegate<'tcx>> BoundVarReplacer<'tcx, D> { } } -impl<'tcx, D> ir::TypeFolder<TyCtxt<'tcx>> for BoundVarReplacer<'tcx, D> +impl<'tcx, D> TypeFolder<TyCtxt<'tcx>> for BoundVarReplacer<'tcx, D> where D: BoundVarReplacerDelegate<'tcx>, { @@ -202,7 +193,7 @@ where self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -280,7 +271,7 @@ impl<'tcx> TyCtxt<'tcx> { ) -> (T, BTreeMap<ty::BoundRegion, ty::Region<'tcx>>) where F: FnMut(ty::BoundRegion) -> ty::Region<'tcx>, - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let mut region_map = BTreeMap::new(); let real_fld_r = |br: ty::BoundRegion| *region_map.entry(br).or_insert_with(|| fld_r(br)); @@ -295,7 +286,7 @@ impl<'tcx> TyCtxt<'tcx> { ) -> T where F: FnMut(ty::BoundRegion) -> ty::Region<'tcx>, - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let value = value.skip_binder(); if !value.has_escaping_bound_vars() { @@ -314,7 +305,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Replaces all escaping bound vars. The `fld_r` closure replaces escaping /// bound regions; the `fld_t` closure replaces escaping bound types and the `fld_c` /// closure replaces escaping bound consts. - pub fn replace_escaping_bound_vars_uncached<T: TypeFoldable<'tcx>>( + pub fn replace_escaping_bound_vars_uncached<T: TypeFoldable<TyCtxt<'tcx>>>( self, value: T, delegate: impl BoundVarReplacerDelegate<'tcx>, @@ -330,7 +321,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Replaces all types or regions bound by the given `Binder`. The `fld_r` /// closure replaces bound regions, the `fld_t` closure replaces bound /// types, and `fld_c` replaces bound constants. - pub fn replace_bound_vars_uncached<T: TypeFoldable<'tcx>>( + pub fn replace_bound_vars_uncached<T: TypeFoldable<TyCtxt<'tcx>>>( self, value: Binder<'tcx, T>, delegate: impl BoundVarReplacerDelegate<'tcx>, @@ -346,7 +337,7 @@ impl<'tcx> TyCtxt<'tcx> { value: ty::Binder<'tcx, T>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.replace_late_bound_regions_uncached(value, |br| { self.mk_re_free(all_outlive_scope, br.kind) @@ -355,7 +346,7 @@ impl<'tcx> TyCtxt<'tcx> { pub fn shift_bound_var_indices<T>(self, bound_vars: usize, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let shift_bv = |bv: ty::BoundVar| ty::BoundVar::from_usize(bv.as_usize() + bound_vars); self.replace_escaping_bound_vars_uncached( @@ -381,7 +372,7 @@ impl<'tcx> TyCtxt<'tcx> { /// method lookup and a few other places where precise region relationships are not required. pub fn erase_late_bound_regions<T>(self, value: Binder<'tcx, T>) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { self.replace_late_bound_regions(value, |_| self.lifetimes.re_erased).0 } @@ -389,7 +380,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Anonymize all bound variables in `value`, this is mostly used to improve caching. pub fn anonymize_bound_vars<T>(self, value: Binder<'tcx, T>) -> Binder<'tcx, T> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { struct Anonymize<'a, 'tcx> { tcx: TyCtxt<'tcx>, @@ -457,12 +448,12 @@ impl<'tcx> Shifter<'tcx> { } } -impl<'tcx> ir::TypeFolder<TyCtxt<'tcx>> for Shifter<'tcx> { +impl<'tcx> TypeFolder<TyCtxt<'tcx>> for Shifter<'tcx> { fn interner(&self) -> TyCtxt<'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -525,7 +516,7 @@ pub fn shift_region<'tcx>( pub fn shift_vars<'tcx, T>(tcx: TyCtxt<'tcx>, value: T, amount: u32) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!("shift_vars(value={:?}, amount={})", value, amount); diff --git a/compiler/rustc_middle/src/ty/generics.rs b/compiler/rustc_middle/src/ty/generics.rs index 35c036fef2d..baef4ffeda7 100644 --- a/compiler/rustc_middle/src/ty/generics.rs +++ b/compiler/rustc_middle/src/ty/generics.rs @@ -101,7 +101,7 @@ impl GenericParamDef { ) -> ty::GenericArg<'tcx> { match &self.kind { ty::GenericParamDefKind::Lifetime => tcx.mk_re_error_misc().into(), - ty::GenericParamDefKind::Type { .. } => tcx.ty_error().into(), + ty::GenericParamDefKind::Type { .. } => tcx.ty_error_misc().into(), ty::GenericParamDefKind::Const { .. } => { tcx.const_error(tcx.type_of(self.def_id).subst(tcx, preceding_substs)).into() } diff --git a/compiler/rustc_middle/src/ty/instance.rs b/compiler/rustc_middle/src/ty/instance.rs index c68a344e92c..d07fa0e546f 100644 --- a/compiler/rustc_middle/src/ty/instance.rs +++ b/compiler/rustc_middle/src/ty/instance.rs @@ -1,7 +1,7 @@ use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::ty::print::{FmtPrinter, Printer}; use crate::ty::{self, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable}; -use crate::ty::{EarlyBinder, InternalSubsts, SubstsRef}; +use crate::ty::{EarlyBinder, InternalSubsts, SubstsRef, TypeVisitableExt}; use rustc_errors::ErrorGuaranteed; use rustc_hir::def::Namespace; use rustc_hir::def_id::{CrateNum, DefId}; @@ -589,7 +589,7 @@ impl<'tcx> Instance<'tcx> { pub fn subst_mir<T>(&self, tcx: TyCtxt<'tcx>, v: &T) -> T where - T: TypeFoldable<'tcx> + Copy, + T: TypeFoldable<TyCtxt<'tcx>> + Copy, { if let Some(substs) = self.substs_for_mir_body() { EarlyBinder(*v).subst(tcx, substs) @@ -606,7 +606,7 @@ impl<'tcx> Instance<'tcx> { v: T, ) -> T where - T: TypeFoldable<'tcx> + Clone, + T: TypeFoldable<TyCtxt<'tcx>> + Clone, { if let Some(substs) = self.substs_for_mir_body() { tcx.subst_and_normalize_erasing_regions(substs, param_env, v) @@ -623,7 +623,7 @@ impl<'tcx> Instance<'tcx> { v: T, ) -> Result<T, NormalizationError<'tcx>> where - T: TypeFoldable<'tcx> + Clone, + T: TypeFoldable<TyCtxt<'tcx>> + Clone, { if let Some(substs) = self.substs_for_mir_body() { tcx.try_subst_and_normalize_erasing_regions(substs, param_env, v) @@ -674,7 +674,7 @@ fn polymorphize<'tcx>( tcx: TyCtxt<'tcx>, } - impl<'tcx> ty::ir::TypeFolder<TyCtxt<'tcx>> for PolymorphizationFolder<'tcx> { + impl<'tcx> ty::TypeFolder<TyCtxt<'tcx>> for PolymorphizationFolder<'tcx> { fn interner(&self) -> TyCtxt<'tcx> { self.tcx } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 1d76f435e26..146803df02b 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1,6 +1,7 @@ +use crate::fluent_generated as fluent; use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::ty::normalize_erasing_regions::NormalizationError; -use crate::ty::{self, ReprOptions, Ty, TyCtxt, TypeVisitable}; +use crate::ty::{self, ReprOptions, Ty, TyCtxt, TypeVisitableExt}; use rustc_errors::{DiagnosticBuilder, Handler, IntoDiagnostic}; use rustc_hir as hir; use rustc_hir::def_id::DefId; @@ -182,16 +183,16 @@ impl IntoDiagnostic<'_, !> for LayoutError<'_> { match self { LayoutError::Unknown(ty) => { diag.set_arg("ty", ty); - diag.set_primary_message(rustc_errors::fluent::middle_unknown_layout); + diag.set_primary_message(fluent::middle_unknown_layout); } LayoutError::SizeOverflow(ty) => { diag.set_arg("ty", ty); - diag.set_primary_message(rustc_errors::fluent::middle_values_too_big); + diag.set_primary_message(fluent::middle_values_too_big); } LayoutError::NormalizationFailure(ty, e) => { diag.set_arg("ty", ty); diag.set_arg("failure_ty", e.get_type_for_failure()); - diag.set_primary_message(rustc_errors::fluent::middle_cannot_be_normalized); + diag.set_primary_message(fluent::middle_cannot_be_normalized); } } diag @@ -686,7 +687,7 @@ where Increase this counter if you tried to implement this but failed to do it without duplicating a lot of code from other places in the compiler: 2 - tcx.mk_tup(&[ + tcx.intern_tup(&[ tcx.mk_array(tcx.types.usize, 3), tcx.mk_array(Option<fn()>), ]) @@ -770,7 +771,7 @@ where ty::Dynamic(_, _, ty::DynStar) => { if i == 0 { - TyMaybeWithLayout::Ty(tcx.types.usize) + TyMaybeWithLayout::Ty(tcx.mk_mut_ptr(tcx.types.unit)) } else if i == 1 { // FIXME(dyn-star) same FIXME as above applies here too TyMaybeWithLayout::Ty( @@ -1120,13 +1121,6 @@ impl From<call::AdjustForForeignAbiError> for FnAbiError<'_> { impl<'tcx> fmt::Display for FnAbiError<'tcx> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - #[cfg(bootstrap)] - match self { - Self::Layout(err) => fmt::Display::fmt(err, f), - Self::AdjustForForeignAbi(err) => fmt::Display::fmt(err, f), - } - - #[cfg(not(bootstrap))] match self { Self::Layout(err) => err.fmt(f), Self::AdjustForForeignAbi(err) => err.fmt(f), diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 4b4f62b67f2..c8b1c7f76f4 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -12,7 +12,7 @@ #![allow(rustc::usage_of_ty_tykind)] pub use self::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; -pub use self::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; +pub use self::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}; pub use self::AssocItemContainer::*; pub use self::BorrowKind::*; pub use self::IntVarValue::*; @@ -35,6 +35,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet}; use rustc_data_structures::intern::Interned; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::tagged_ptr::CopyTaggedPtr; +use rustc_errors::ErrorGuaranteed; use rustc_hir as hir; use rustc_hir::def::{CtorKind, CtorOf, DefKind, DocLinkResMap, LifetimeRes, Res}; use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId, LocalDefIdMap}; @@ -43,10 +44,9 @@ use rustc_index::vec::IndexVec; use rustc_macros::HashStable; use rustc_query_system::ich::StableHashingContext; use rustc_serialize::{Decodable, Encodable}; -use rustc_session::cstore::Untracked; use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{kw, sym, Ident, Symbol}; -use rustc_span::{ExpnId, Span}; +use rustc_span::{ExpnId, ExpnKind, Span}; use rustc_target::abi::{Align, Integer, IntegerType, VariantIdx}; pub use rustc_target::abi::{ReprFlags, ReprOptions}; use rustc_type_ir::WithCachedTypeInfo; @@ -146,10 +146,6 @@ mod structural_impls; mod sty; mod typeck_results; -pub mod ir { - pub use super::{fold::ir::*, visit::ir::*}; -} - // Data types pub type RegisteredTools = FxHashSet<Ident>; @@ -157,7 +153,6 @@ pub type RegisteredTools = FxHashSet<Ident>; pub struct ResolverOutputs { pub global_ctxt: ResolverGlobalCtxt, pub ast_lowering: ResolverAstLowering, - pub untracked: Untracked, } #[derive(Debug)] @@ -923,14 +918,17 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for Term<'tcx> { } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for Term<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for Term<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { Ok(self.unpack().try_fold_with(folder)?.pack()) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for Term<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for Term<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { self.unpack().visit_with(visitor) } } @@ -1361,7 +1359,7 @@ pub struct OpaqueHiddenType<'tcx> { } impl<'tcx> OpaqueHiddenType<'tcx> { - pub fn report_mismatch(&self, other: &Self, tcx: TyCtxt<'tcx>) { + pub fn report_mismatch(&self, other: &Self, tcx: TyCtxt<'tcx>) -> ErrorGuaranteed { // Found different concrete types for the opaque type. let sub_diag = if self.span == other.span { TypeMismatchReason::ConflictType { span: self.span } @@ -1373,7 +1371,7 @@ impl<'tcx> OpaqueHiddenType<'tcx> { other_ty: other.ty, other_span: other.span, sub: sub_diag, - }); + }) } #[instrument(level = "debug", skip(tcx), ret)] @@ -1628,8 +1626,8 @@ impl<'a, 'tcx> HashStable<StableHashingContext<'a>> for ParamEnv<'tcx> { } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for ParamEnv<'tcx> { - fn try_fold_with<F: ty::fold::FallibleTypeFolder<'tcx>>( +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ParamEnv<'tcx> { + fn try_fold_with<F: ty::fold::FallibleTypeFolder<TyCtxt<'tcx>>>( self, folder: &mut F, ) -> Result<Self, F::Error> { @@ -1641,8 +1639,8 @@ impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for ParamEnv<'tcx> { } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for ParamEnv<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ParamEnv<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { self.caller_bounds().visit_with(visitor)?; self.reveal().visit_with(visitor) } @@ -1767,7 +1765,7 @@ impl<'tcx> ParamEnv<'tcx> { /// `where Box<u32>: Copy`, which are clearly never /// satisfiable. We generally want to behave as if they were true, /// although the surrounding function is never reachable. - pub fn and<T: TypeVisitable<'tcx>>(self, value: T) -> ParamEnvAnd<'tcx, T> { + pub fn and<T: TypeVisitable<TyCtxt<'tcx>>>(self, value: T) -> ParamEnvAnd<'tcx, T> { match self.reveal() { Reveal::UserFacing => ParamEnvAnd { param_env: self, value }, @@ -2206,7 +2204,7 @@ impl<'tcx> TyCtxt<'tcx> { Some(Ident::new(def, span)) } - pub fn opt_associated_item(self, def_id: DefId) -> Option<&'tcx AssocItem> { + pub fn opt_associated_item(self, def_id: DefId) -> Option<AssocItem> { if let DefKind::AssocConst | DefKind::AssocFn | DefKind::AssocTy = self.def_kind(def_id) { Some(self.associated_item(def_id)) } else { @@ -2444,8 +2442,23 @@ impl<'tcx> TyCtxt<'tcx> { None } - /// If the given `DefId` belongs to a trait that was automatically derived, returns `true`. - pub fn is_builtin_derive(self, def_id: DefId) -> bool { + /// Check if the given `DefId` is `#\[automatically_derived\], *and* + /// whether it was produced by expanding a builtin derive macro. + pub fn is_builtin_derived(self, def_id: DefId) -> bool { + if self.is_automatically_derived(def_id) + && let Some(def_id) = def_id.as_local() + && let outer = self.def_span(def_id).ctxt().outer_expn_data() + && matches!(outer.kind, ExpnKind::Macro(MacroKind::Derive, _)) + && self.has_attr(outer.macro_def_id.unwrap(), sym::rustc_builtin_macro) + { + true + } else { + false + } + } + + /// Check if the given `DefId` is `#\[automatically_derived\]`. + pub fn is_automatically_derived(self, def_id: DefId) -> bool { self.has_attr(def_id, sym::automatically_derived) } diff --git a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs index 825e5fbe232..57c8f3075b0 100644 --- a/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs +++ b/compiler/rustc_middle/src/ty/normalize_erasing_regions.rs @@ -9,11 +9,8 @@ use crate::mir; use crate::traits::query::NoSolution; -use crate::ty::fold::{ - ir::{FallibleTypeFolder, TypeFolder}, - TypeFoldable, -}; -use crate::ty::{self, EarlyBinder, SubstsRef, Ty, TyCtxt}; +use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder}; +use crate::ty::{self, EarlyBinder, SubstsRef, Ty, TyCtxt, TypeVisitableExt}; #[derive(Debug, Copy, Clone, HashStable, TyEncodable, TyDecodable)] pub enum NormalizationError<'tcx> { @@ -41,7 +38,7 @@ impl<'tcx> TyCtxt<'tcx> { #[tracing::instrument(level = "debug", skip(self, param_env))] pub fn normalize_erasing_regions<T>(self, param_env: ty::ParamEnv<'tcx>, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!( "normalize_erasing_regions::<{}>(value={:?}, param_env={:?})", @@ -73,7 +70,7 @@ impl<'tcx> TyCtxt<'tcx> { value: T, ) -> Result<T, NormalizationError<'tcx>> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!( "try_normalize_erasing_regions::<{}>(value={:?}, param_env={:?})", @@ -110,7 +107,7 @@ impl<'tcx> TyCtxt<'tcx> { value: ty::Binder<'tcx, T>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let value = self.erase_late_bound_regions(value); self.normalize_erasing_regions(param_env, value) @@ -130,7 +127,7 @@ impl<'tcx> TyCtxt<'tcx> { value: ty::Binder<'tcx, T>, ) -> Result<T, NormalizationError<'tcx>> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let value = self.erase_late_bound_regions(value); self.try_normalize_erasing_regions(param_env, value) @@ -148,7 +145,7 @@ impl<'tcx> TyCtxt<'tcx> { value: T, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!( "subst_and_normalize_erasing_regions(\ @@ -172,7 +169,7 @@ impl<'tcx> TyCtxt<'tcx> { value: T, ) -> Result<T, NormalizationError<'tcx>> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!( "subst_and_normalize_erasing_regions(\ diff --git a/compiler/rustc_middle/src/ty/opaque_types.rs b/compiler/rustc_middle/src/ty/opaque_types.rs index 8aeef4684b3..6463b38c7e1 100644 --- a/compiler/rustc_middle/src/ty/opaque_types.rs +++ b/compiler/rustc_middle/src/ty/opaque_types.rs @@ -1,9 +1,7 @@ use crate::error::ConstNotUsedTraitAlias; -use crate::ty::fold::{ir::TypeFolder, TypeSuperFoldable}; +use crate::ty::fold::{TypeFolder, TypeSuperFoldable}; use crate::ty::subst::{GenericArg, GenericArgKind}; -#[cfg(not(bootstrap))] -use crate::ty::TypeFoldable; -use crate::ty::{self, Ty, TyCtxt}; +use crate::ty::{self, Ty, TyCtxt, TypeFoldable}; use rustc_data_structures::fx::FxHashMap; use rustc_span::def_id::DefId; use rustc_span::Span; @@ -188,7 +186,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ReverseMapper<'tcx> { .emit(); } - self.interner().ty_error() + self.interner().ty_error_misc() } } } diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 1e59983583b..6a053c368d8 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1,7 +1,7 @@ use crate::mir::interpret::{AllocRange, GlobalAlloc, Pointer, Provenance, Scalar}; use crate::ty::{ self, ConstInt, DefIdTree, ParamConst, ScalarInt, Term, TermKind, Ty, TyCtxt, TypeFoldable, - TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, + TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, }; use crate::ty::{GenericArg, GenericArgKind}; use rustc_apfloat::ieee::{Double, Single}; @@ -225,7 +225,7 @@ pub trait PrettyPrinter<'tcx>: fn in_binder<T>(self, value: &ty::Binder<'tcx, T>) -> Result<Self, Self::Error> where - T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<TyCtxt<'tcx>>, { value.as_ref().skip_binder().print(self) } @@ -236,7 +236,7 @@ pub trait PrettyPrinter<'tcx>: f: F, ) -> Result<Self, Self::Error> where - T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<TyCtxt<'tcx>>, { f(value.as_ref().skip_binder(), self) } @@ -735,7 +735,10 @@ pub trait PrettyPrinter<'tcx>: p!(print(data)) } } - ty::Placeholder(placeholder) => p!(write("Placeholder({:?})", placeholder)), + ty::Placeholder(placeholder) => match placeholder.name { + ty::BoundTyKind::Anon(_) => p!(write("Placeholder({:?})", placeholder)), + ty::BoundTyKind::Param(_, name) => p!(write("{}", name)), + }, ty::Alias(ty::Opaque, ty::AliasTy { def_id, substs, .. }) => { // We use verbose printing in 'NO_QUERIES' mode, to // avoid needing to call `predicates_of`. This should @@ -2030,7 +2033,7 @@ impl<'tcx> PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx> { fn in_binder<T>(self, value: &ty::Binder<'tcx, T>) -> Result<Self, Self::Error> where - T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<TyCtxt<'tcx>>, { self.pretty_in_binder(value) } @@ -2041,7 +2044,7 @@ impl<'tcx> PrettyPrinter<'tcx> for FmtPrinter<'_, 'tcx> { f: C, ) -> Result<Self, Self::Error> where - T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = Self::Error> + TypeFoldable<TyCtxt<'tcx>>, { self.pretty_wrap_binder(value, f) } @@ -2221,12 +2224,12 @@ struct RegionFolder<'a, 'tcx> { ), } -impl<'a, 'tcx> ty::ir::TypeFolder<TyCtxt<'tcx>> for RegionFolder<'a, 'tcx> { +impl<'a, 'tcx> ty::TypeFolder<TyCtxt<'tcx>> for RegionFolder<'a, 'tcx> { fn interner(&self) -> TyCtxt<'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -2286,7 +2289,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { value: &ty::Binder<'tcx, T>, ) -> Result<(Self, T, BTreeMap<ty::BoundRegion, ty::Region<'tcx>>), fmt::Error> where - T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<TyCtxt<'tcx>>, { fn name_by_region_index( index: usize, @@ -2449,7 +2452,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { pub fn pretty_in_binder<T>(self, value: &ty::Binder<'tcx, T>) -> Result<Self, fmt::Error> where - T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<TyCtxt<'tcx>>, { let old_region_index = self.region_index; let (new, new_value, _) = self.name_all_regions(value)?; @@ -2465,7 +2468,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { f: C, ) -> Result<Self, fmt::Error> where - T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, Self, Output = Self, Error = fmt::Error> + TypeFoldable<TyCtxt<'tcx>>, { let old_region_index = self.region_index; let (new, new_value, _) = self.name_all_regions(value)?; @@ -2477,7 +2480,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { fn prepare_region_info<T>(&mut self, value: &ty::Binder<'tcx, T>) where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { struct RegionNameCollector<'tcx> { used_region_names: FxHashSet<Symbol>, @@ -2493,7 +2496,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { } } - impl<'tcx> ty::visit::ir::TypeVisitor<TyCtxt<'tcx>> for RegionNameCollector<'tcx> { + impl<'tcx> ty::visit::TypeVisitor<TyCtxt<'tcx>> for RegionNameCollector<'tcx> { type BreakTy = (); fn visit_region(&mut self, r: ty::Region<'tcx>) -> ControlFlow<Self::BreakTy> { @@ -2530,7 +2533,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { impl<'tcx, T, P: PrettyPrinter<'tcx>> Print<'tcx, P> for ty::Binder<'tcx, T> where - T: Print<'tcx, P, Output = P, Error = P::Error> + TypeFoldable<'tcx>, + T: Print<'tcx, P, Output = P, Error = P::Error> + TypeFoldable<TyCtxt<'tcx>>, { type Output = P; type Error = P::Error; diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index 322afeb2d34..735b87d08e3 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -105,7 +105,7 @@ pub trait TypeRelation<'tcx>: Sized { T: Relate<'tcx>; } -pub trait Relate<'tcx>: TypeFoldable<'tcx> + PartialEq + Copy { +pub trait Relate<'tcx>: TypeFoldable<TyCtxt<'tcx>> + PartialEq + Copy { fn relate<R: TypeRelation<'tcx>>( relation: &mut R, a: Self, @@ -412,7 +412,7 @@ pub fn super_relate_tys<'tcx, R: TypeRelation<'tcx>>( bug!("bound types encountered in super_relate_tys") } - (&ty::Error(guar), _) | (_, &ty::Error(guar)) => Ok(tcx.ty_error_with_guaranteed(guar)), + (&ty::Error(guar), _) | (_, &ty::Error(guar)) => Ok(tcx.ty_error(guar)), (&ty::Never, _) | (&ty::Char, _) @@ -673,7 +673,7 @@ pub fn super_relate_consts<'tcx, R: TypeRelation<'tcx>>( for (a_arg, b_arg) in aa.iter().zip(ba.iter()) { related_args.push(r.consts(a_arg, b_arg)?); } - let related_args = tcx.mk_const_list(related_args.iter()); + let related_args = tcx.intern_const_list(&related_args); Expr::FunctionCall(func, related_args) } _ => return Err(TypeError::ConstMismatch(expected_found(r, a, b))), diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index d8dbd04f438..fbe5d8ccff5 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -5,10 +5,10 @@ use crate::mir::interpret; use crate::mir::{Field, ProjectionKind}; -use crate::ty::fold::{ir::TypeSuperFoldable, FallibleTypeFolder, TypeFoldable}; +use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; use crate::ty::print::{with_no_trimmed_paths, FmtPrinter, Printer}; -use crate::ty::visit::{ir::TypeSuperVisitable, TypeVisitable, TypeVisitor}; -use crate::ty::{self, ir, AliasTy, InferConst, Lift, Term, TermKind, Ty, TyCtxt}; +use crate::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; +use crate::ty::{self, AliasTy, InferConst, Lift, Term, TermKind, Ty, TyCtxt}; use rustc_hir::def::Namespace; use rustc_index::vec::{Idx, IndexVec}; use rustc_target::abi::TyAndLayout; @@ -372,32 +372,41 @@ impl<'a, 'tcx> Lift<'tcx> for ty::ParamEnv<'a> { // Traversal implementations. /// AdtDefs are basically the same as a DefId. -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, _folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + _folder: &mut F, + ) -> Result<Self, F::Error> { Ok(self) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, _visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::AdtDef<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + _visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { ControlFlow::Continue(()) } } -impl<'tcx, T: TypeFoldable<'tcx>> ir::TypeFoldable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx, T: TypeFoldable<TyCtxt<'tcx>>> TypeFoldable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { folder.try_fold_binder(self) } } -impl<'tcx, T: TypeVisitable<'tcx>> ir::TypeVisitable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx, T: TypeVisitable<TyCtxt<'tcx>>> TypeVisitable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { visitor.visit_binder(self) } } -impl<'tcx, T: TypeFoldable<'tcx>> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { - fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>( +impl<'tcx, T: TypeFoldable<TyCtxt<'tcx>>> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { + fn try_super_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, folder: &mut F, ) -> Result<Self, F::Error> { @@ -405,44 +414,61 @@ impl<'tcx, T: TypeFoldable<'tcx>> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Binder } } -impl<'tcx, T: TypeVisitable<'tcx>> TypeSuperVisitable<TyCtxt<'tcx>> for ty::Binder<'tcx, T> { - fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx, T: TypeVisitable<TyCtxt<'tcx>>> TypeSuperVisitable<TyCtxt<'tcx>> + for ty::Binder<'tcx, T> +{ + fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { self.as_ref().skip_binder().visit_with(visitor) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { ty::util::fold_list(self, folder, |tcx, v| tcx.intern_poly_existential_predicates(v)) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::Const<'tcx>> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { - ty::util::fold_list(self, folder, |tcx, v| tcx.mk_const_list(v.iter())) +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::Const<'tcx>> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { + ty::util::fold_list(self, folder, |tcx, v| tcx.intern_const_list(v)) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ProjectionKind> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ProjectionKind> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { ty::util::fold_list(self, folder, |tcx, v| tcx.intern_projs(v)) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for Ty<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for Ty<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { folder.try_fold_ty(self) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for Ty<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for Ty<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { visitor.visit_ty(*self) } } impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for Ty<'tcx> { - fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>( + fn try_super_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, folder: &mut F, ) -> Result<Self, F::Error> { @@ -492,7 +518,10 @@ impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for Ty<'tcx> { } impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for Ty<'tcx> { - fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { match self.kind() { ty::RawPtr(ref tm) => tm.visit_with(visitor), ty::Array(typ, sz) => { @@ -535,20 +564,23 @@ impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for Ty<'tcx> { } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for ty::Region<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::Region<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { folder.try_fold_region(self) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for ty::Region<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::Region<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { visitor.visit_region(*self) } } impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Region<'tcx> { - fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>( + fn try_super_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, _folder: &mut F, ) -> Result<Self, F::Error> { @@ -557,25 +589,31 @@ impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Region<'tcx> { } impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for ty::Region<'tcx> { - fn super_visit_with<V: TypeVisitor<'tcx>>(&self, _visitor: &mut V) -> ControlFlow<V::BreakTy> { + fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + _visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { ControlFlow::Continue(()) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { folder.try_fold_predicate(self) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { visitor.visit_predicate(*self) } } impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { - fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>( + fn try_super_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, folder: &mut F, ) -> Result<Self, F::Error> { @@ -585,31 +623,40 @@ impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { } impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { - fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { self.kind().visit_with(visitor) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::Predicate<'tcx>> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<ty::Predicate<'tcx>> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { ty::util::fold_list(self, folder, |tcx, v| tcx.intern_predicates(v)) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for ty::Const<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::Const<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { folder.try_fold_const(self) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for ty::Const<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::Const<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { visitor.visit_const(*self) } } impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Const<'tcx> { - fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>( + fn try_super_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, folder: &mut F, ) -> Result<Self, F::Error> { @@ -624,32 +671,44 @@ impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Const<'tcx> { } impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for ty::Const<'tcx> { - fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { self.ty().visit_with(visitor)?; self.kind().visit_with(visitor) } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for InferConst<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, _folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for InferConst<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + _folder: &mut F, + ) -> Result<Self, F::Error> { Ok(self) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for InferConst<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, _visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for InferConst<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + _visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { ControlFlow::Continue(()) } } impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for ty::UnevaluatedConst<'tcx> { - fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( + &self, + visitor: &mut V, + ) -> ControlFlow<V::BreakTy> { self.substs.visit_with(visitor) } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for TyAndLayout<'tcx, Ty<'tcx>> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for TyAndLayout<'tcx, Ty<'tcx>> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { visitor.visit_ty(self.ty) } } diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 8d2712b6c87..658f09a850d 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -7,10 +7,8 @@ use crate::ty::subst::{GenericArg, InternalSubsts, SubstsRef}; use crate::ty::visit::ValidateBoundVars; use crate::ty::InferTy::*; use crate::ty::{ - self, - ir::{FallibleTypeFolder, TypeVisitor}, - AdtDef, DefIdTree, Discr, Term, Ty, TyCtxt, TypeFlags, TypeFoldable, TypeSuperFoldable, - TypeSuperVisitable, TypeVisitable, + self, AdtDef, DefIdTree, Discr, FallibleTypeFolder, Term, Ty, TyCtxt, TypeFlags, TypeFoldable, + TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, }; use crate::ty::{List, ParamEnv}; use hir::def::DefKind; @@ -570,7 +568,7 @@ impl<'tcx> GeneratorSubsts<'tcx> { self, def_id: DefId, tcx: TyCtxt<'tcx>, - ) -> impl Iterator<Item = impl Iterator<Item = Ty<'tcx>> + Captures<'tcx>> { + ) -> impl Iterator<Item: Iterator<Item = Ty<'tcx>> + Captures<'tcx>> { let layout = tcx.generator_layout(def_id).unwrap(); layout.variant_fields.iter().map(move |variant| { variant.iter().map(move |field| { @@ -933,6 +931,12 @@ impl<'tcx> PolyExistentialTraitRef<'tcx> { } } +impl rustc_errors::IntoDiagnosticArg for PolyExistentialTraitRef<'_> { + fn into_diagnostic_arg(self) -> rustc_errors::DiagnosticArgValue<'static> { + self.to_string().into_diagnostic_arg() + } +} + #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, TyEncodable, TyDecodable)] #[derive(HashStable)] pub enum BoundVariableKind { @@ -979,7 +983,7 @@ pub struct Binder<'tcx, T>(T, &'tcx List<BoundVariableKind>); impl<'tcx, T> Binder<'tcx, T> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { /// Wraps `value` in a binder, asserting that `value` does not /// contain any bound vars that would be bound by the @@ -1047,14 +1051,14 @@ impl<'tcx, T> Binder<'tcx, T> { Binder(value, self.1) } - pub fn map_bound_ref<F, U: TypeVisitable<'tcx>>(&self, f: F) -> Binder<'tcx, U> + pub fn map_bound_ref<F, U: TypeVisitable<TyCtxt<'tcx>>>(&self, f: F) -> Binder<'tcx, U> where F: FnOnce(&T) -> U, { self.as_ref().map_bound(f) } - pub fn map_bound<F, U: TypeVisitable<'tcx>>(self, f: F) -> Binder<'tcx, U> + pub fn map_bound<F, U: TypeVisitable<TyCtxt<'tcx>>>(self, f: F) -> Binder<'tcx, U> where F: FnOnce(T) -> U, { @@ -1066,7 +1070,10 @@ impl<'tcx, T> Binder<'tcx, T> { Binder(value, self.1) } - pub fn try_map_bound<F, U: TypeVisitable<'tcx>, E>(self, f: F) -> Result<Binder<'tcx, U>, E> + pub fn try_map_bound<F, U: TypeVisitable<TyCtxt<'tcx>>, E>( + self, + f: F, + ) -> Result<Binder<'tcx, U>, E> where F: FnOnce(T) -> Result<U, E>, { @@ -1089,7 +1096,7 @@ impl<'tcx, T> Binder<'tcx, T> { /// in `bind`. This may be (debug) asserted in the future. pub fn rebind<U>(&self, value: U) -> Binder<'tcx, U> where - U: TypeVisitable<'tcx>, + U: TypeVisitable<TyCtxt<'tcx>>, { if cfg!(debug_assertions) { let mut validator = ValidateBoundVars::new(self.bound_vars()); @@ -1110,7 +1117,7 @@ impl<'tcx, T> Binder<'tcx, T> { /// would not be that useful.) pub fn no_bound_vars(self) -> Option<T> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { if self.0.has_escaping_bound_vars() { None } else { Some(self.skip_binder()) } } @@ -1158,7 +1165,7 @@ impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for SkipBindersAt<'tcx> { fn try_fold_binder<T>(&mut self, t: Binder<'tcx, T>) -> Result<Binder<'tcx, T>, Self::Error> where - T: ty::TypeFoldable<'tcx>, + T: ty::TypeFoldable<TyCtxt<'tcx>>, { self.index.shift_in(1); let value = t.try_map_bound(|t| t.try_fold_with(self)); @@ -1745,6 +1752,13 @@ impl<'tcx> Region<'tcx> { pub fn is_var(self) -> bool { matches!(self.kind(), ty::ReVar(_)) } + + pub fn as_var(self) -> Option<RegionVid> { + match self.kind() { + ty::ReVar(vid) => Some(vid), + _ => None, + } + } } /// Type utilities diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs index 6b4a6a17aef..1ed3ef5745b 100644 --- a/compiler/rustc_middle/src/ty/subst.rs +++ b/compiler/rustc_middle/src/ty/subst.rs @@ -1,10 +1,10 @@ // Type substitutions. use crate::ty::codec::{TyDecoder, TyEncoder}; -use crate::ty::fold::{ir::TypeFolder, FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; +use crate::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeFolder, TypeSuperFoldable}; use crate::ty::sty::{ClosureSubsts, GeneratorSubsts, InlineConstSubsts}; -use crate::ty::visit::{TypeVisitable, TypeVisitor}; -use crate::ty::{self, ir, Lift, List, ParamConst, Ty, TyCtxt}; +use crate::ty::visit::{TypeVisitable, TypeVisitableExt, TypeVisitor}; +use crate::ty::{self, Lift, List, ParamConst, Ty, TyCtxt}; use rustc_data_structures::intern::Interned; use rustc_errors::{DiagnosticArgValue, IntoDiagnosticArg}; @@ -227,8 +227,11 @@ impl<'a, 'tcx> Lift<'tcx> for GenericArg<'a> { } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for GenericArg<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for GenericArg<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { match self.unpack() { GenericArgKind::Lifetime(lt) => lt.try_fold_with(folder).map(Into::into), GenericArgKind::Type(ty) => ty.try_fold_with(folder).map(Into::into), @@ -237,8 +240,8 @@ impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for GenericArg<'tcx> { } } -impl<'tcx> ir::TypeVisitable<TyCtxt<'tcx>> for GenericArg<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { +impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for GenericArg<'tcx> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { match self.unpack() { GenericArgKind::Lifetime(lt) => lt.visit_with(visitor), GenericArgKind::Type(ty) => ty.visit_with(visitor), @@ -473,8 +476,11 @@ impl<'tcx> InternalSubsts<'tcx> { } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for SubstsRef<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for SubstsRef<'tcx> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { // This code is hot enough that it's worth specializing for the most // common length lists, to avoid the overhead of `SmallVec` creation. // The match arms are in order of frequency. The 1, 2, and 0 cases are @@ -505,8 +511,11 @@ impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for SubstsRef<'tcx> { } } -impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<Ty<'tcx>> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { +impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<Ty<'tcx>> { + fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( + self, + folder: &mut F, + ) -> Result<Self, F::Error> { // This code is fairly hot, though not as hot as `SubstsRef`. // // When compiling stage 2, I get the following results: @@ -537,9 +546,9 @@ impl<'tcx> ir::TypeFoldable<TyCtxt<'tcx>> for &'tcx ty::List<Ty<'tcx>> { } } -impl<'tcx, T: TypeVisitable<'tcx>> ir::TypeVisitable<TyCtxt<'tcx>> for &'tcx ty::List<T> { +impl<'tcx, T: TypeVisitable<TyCtxt<'tcx>>> TypeVisitable<TyCtxt<'tcx>> for &'tcx ty::List<T> { #[inline] - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { self.iter().try_for_each(|t| t.visit_with(visitor)) } } @@ -555,8 +564,8 @@ impl<'tcx, T: TypeVisitable<'tcx>> ir::TypeVisitable<TyCtxt<'tcx>> for &'tcx ty: pub struct EarlyBinder<T>(pub T); /// For early binders, you should first call `subst` before using any visitors. -impl<'tcx, T> !ir::TypeFoldable<TyCtxt<'tcx>> for ty::EarlyBinder<T> {} -impl<'tcx, T> !ir::TypeVisitable<TyCtxt<'tcx>> for ty::EarlyBinder<T> {} +impl<'tcx, T> !TypeFoldable<TyCtxt<'tcx>> for ty::EarlyBinder<T> {} +impl<'tcx, T> !TypeVisitable<TyCtxt<'tcx>> for ty::EarlyBinder<T> {} impl<T> EarlyBinder<T> { pub fn as_ref(&self) -> EarlyBinder<&T> { @@ -617,7 +626,7 @@ impl<T, U> EarlyBinder<(T, U)> { impl<'tcx, 's, I: IntoIterator> EarlyBinder<I> where - I::Item: TypeFoldable<'tcx>, + I::Item: TypeFoldable<TyCtxt<'tcx>>, { pub fn subst_iter( self, @@ -636,7 +645,7 @@ pub struct SubstIter<'s, 'tcx, I: IntoIterator> { impl<'tcx, I: IntoIterator> Iterator for SubstIter<'_, 'tcx, I> where - I::Item: TypeFoldable<'tcx>, + I::Item: TypeFoldable<TyCtxt<'tcx>>, { type Item = I::Item; @@ -652,7 +661,7 @@ where impl<'tcx, I: IntoIterator> DoubleEndedIterator for SubstIter<'_, 'tcx, I> where I::IntoIter: DoubleEndedIterator, - I::Item: TypeFoldable<'tcx>, + I::Item: TypeFoldable<TyCtxt<'tcx>>, { fn next_back(&mut self) -> Option<Self::Item> { Some(EarlyBinder(self.it.next_back()?).subst(self.tcx, self.substs)) @@ -662,14 +671,14 @@ where impl<'tcx, I: IntoIterator> ExactSizeIterator for SubstIter<'_, 'tcx, I> where I::IntoIter: ExactSizeIterator, - I::Item: TypeFoldable<'tcx>, + I::Item: TypeFoldable<TyCtxt<'tcx>>, { } impl<'tcx, 's, I: IntoIterator> EarlyBinder<I> where I::Item: Deref, - <I::Item as Deref>::Target: Copy + TypeFoldable<'tcx>, + <I::Item as Deref>::Target: Copy + TypeFoldable<TyCtxt<'tcx>>, { pub fn subst_iter_copied( self, @@ -689,7 +698,7 @@ pub struct SubstIterCopied<'a, 'tcx, I: IntoIterator> { impl<'tcx, I: IntoIterator> Iterator for SubstIterCopied<'_, 'tcx, I> where I::Item: Deref, - <I::Item as Deref>::Target: Copy + TypeFoldable<'tcx>, + <I::Item as Deref>::Target: Copy + TypeFoldable<TyCtxt<'tcx>>, { type Item = <I::Item as Deref>::Target; @@ -706,7 +715,7 @@ impl<'tcx, I: IntoIterator> DoubleEndedIterator for SubstIterCopied<'_, 'tcx, I> where I::IntoIter: DoubleEndedIterator, I::Item: Deref, - <I::Item as Deref>::Target: Copy + TypeFoldable<'tcx>, + <I::Item as Deref>::Target: Copy + TypeFoldable<TyCtxt<'tcx>>, { fn next_back(&mut self) -> Option<Self::Item> { Some(EarlyBinder(*self.it.next_back()?).subst(self.tcx, self.substs)) @@ -717,7 +726,7 @@ impl<'tcx, I: IntoIterator> ExactSizeIterator for SubstIterCopied<'_, 'tcx, I> where I::IntoIter: ExactSizeIterator, I::Item: Deref, - <I::Item as Deref>::Target: Copy + TypeFoldable<'tcx>, + <I::Item as Deref>::Target: Copy + TypeFoldable<TyCtxt<'tcx>>, { } @@ -743,7 +752,7 @@ impl<T: Iterator> Iterator for EarlyBinderIter<T> { } } -impl<'tcx, T: TypeFoldable<'tcx>> ty::EarlyBinder<T> { +impl<'tcx, T: TypeFoldable<TyCtxt<'tcx>>> ty::EarlyBinder<T> { pub fn subst(self, tcx: TyCtxt<'tcx>, substs: &[GenericArg<'tcx>]) -> T { let mut folder = SubstFolder { tcx, substs, binders_passed: 0 }; self.0.fold_with(&mut folder) @@ -784,7 +793,7 @@ impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for SubstFolder<'a, 'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -977,7 +986,7 @@ impl<'a, 'tcx> SubstFolder<'a, 'tcx> { /// As indicated in the diagram, here the same type `&'a i32` is substituted once, but in the /// first case we do not increase the De Bruijn index and in the second case we do. The reason /// is that only in the second case have we passed through a fn binder. - fn shift_vars_through_binders<T: TypeFoldable<'tcx>>(&self, val: T) -> T { + fn shift_vars_through_binders<T: TypeFoldable<TyCtxt<'tcx>>>(&self, val: T) -> T { debug!( "shift_vars(val={:?}, binders_passed={:?}, has_escaping_bound_vars={:?})", val, diff --git a/compiler/rustc_middle/src/ty/trait_def.rs b/compiler/rustc_middle/src/ty/trait_def.rs index a4a82bf247d..233c0df2d3c 100644 --- a/compiler/rustc_middle/src/ty/trait_def.rs +++ b/compiler/rustc_middle/src/ty/trait_def.rs @@ -1,6 +1,6 @@ use crate::traits::specialization_graph; use crate::ty::fast_reject::{self, SimplifiedType, TreatParams}; -use crate::ty::visit::TypeVisitable; +use crate::ty::visit::TypeVisitableExt; use crate::ty::{Ident, Ty, TyCtxt}; use hir::def_id::LOCAL_CRATE; use rustc_hir as hir; diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index a34ee1a99a1..90270e0ee9d 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -4,8 +4,8 @@ use crate::middle::codegen_fn_attrs::CodegenFnAttrFlags; use crate::mir; use crate::ty::layout::IntegerExt; use crate::ty::{ - self, ir::TypeFolder, DefIdTree, FallibleTypeFolder, Ty, TyCtxt, TypeFoldable, - TypeSuperFoldable, + self, DefIdTree, FallibleTypeFolder, ToPredicate, Ty, TyCtxt, TypeFoldable, TypeFolder, + TypeSuperFoldable, TypeVisitableExt, }; use crate::ty::{GenericArgKind, SubstsRef}; use rustc_apfloat::Float as _; @@ -761,6 +761,40 @@ impl<'tcx> TyCtxt<'tcx> { } (generator_layout, generator_saved_local_names) } + + /// Query and get an English description for the item's kind. + pub fn def_descr(self, def_id: DefId) -> &'static str { + self.def_kind_descr(self.def_kind(def_id), def_id) + } + + /// Get an English description for the item's kind. + pub fn def_kind_descr(self, def_kind: DefKind, def_id: DefId) -> &'static str { + match def_kind { + DefKind::AssocFn if self.associated_item(def_id).fn_has_self_parameter => "method", + DefKind::Generator => match self.generator_kind(def_id).unwrap() { + rustc_hir::GeneratorKind::Async(..) => "async closure", + rustc_hir::GeneratorKind::Gen => "generator", + }, + _ => def_kind.descr(def_id), + } + } + + /// Gets an English article for the [`TyCtxt::def_descr`]. + pub fn def_descr_article(self, def_id: DefId) -> &'static str { + self.def_kind_descr_article(self.def_kind(def_id), def_id) + } + + /// Gets an English article for the [`TyCtxt::def_kind_descr`]. + pub fn def_kind_descr_article(self, def_kind: DefKind, def_id: DefId) -> &'static str { + match def_kind { + DefKind::AssocFn if self.associated_item(def_id).fn_has_self_parameter => "a", + DefKind::Generator => match self.generator_kind(def_id).unwrap() { + rustc_hir::GeneratorKind::Async(..) => "an", + rustc_hir::GeneratorKind::Gen => "a", + }, + _ => def_kind.article(), + } + } } struct OpaqueTypeExpander<'tcx> { @@ -865,6 +899,26 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for OpaqueTypeExpander<'tcx> { } t } + + fn fold_predicate(&mut self, p: ty::Predicate<'tcx>) -> ty::Predicate<'tcx> { + if let ty::PredicateKind::Clause(clause) = p.kind().skip_binder() + && let ty::Clause::Projection(projection_pred) = clause + { + p.kind() + .rebind(ty::ProjectionPredicate { + projection_ty: projection_pred.projection_ty.fold_with(self), + // Don't fold the term on the RHS of the projection predicate. + // This is because for default trait methods with RPITITs, we + // install a `NormalizesTo(Projection(RPITIT) -> Opaque(RPITIT))` + // predicate, which would trivially cause a cycle when we do + // anything that requires `ParamEnv::with_reveal_all_normalized`. + term: projection_pred.term, + }) + .to_predicate(self.tcx) + } else { + p.super_fold_with(self) + } + } } impl<'tcx> Ty<'tcx> { @@ -1329,8 +1383,8 @@ pub fn fold_list<'tcx, F, T>( intern: impl FnOnce(TyCtxt<'tcx>, &[T]) -> &'tcx ty::List<T>, ) -> Result<&'tcx ty::List<T>, F::Error> where - F: FallibleTypeFolder<'tcx>, - T: TypeFoldable<'tcx> + PartialEq + Copy, + F: FallibleTypeFolder<TyCtxt<'tcx>>, + T: TypeFoldable<TyCtxt<'tcx>> + PartialEq + Copy, { let mut iter = list.iter(); // Look for the first element that changed diff --git a/compiler/rustc_middle/src/ty/visit.rs b/compiler/rustc_middle/src/ty/visit.rs index 8a93b59900e..6814cadb9a8 100644 --- a/compiler/rustc_middle/src/ty/visit.rs +++ b/compiler/rustc_middle/src/ty/visit.rs @@ -5,15 +5,9 @@ use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::sso::SsoHashSet; use std::ops::ControlFlow; -pub trait TypeVisitable<'tcx> = ir::TypeVisitable<TyCtxt<'tcx>> + TypeVisitableExt<'tcx>; -pub trait TypeSuperVisitable<'tcx> = ir::TypeSuperVisitable<TyCtxt<'tcx>>; -pub trait TypeVisitor<'tcx> = ir::TypeVisitor<TyCtxt<'tcx>>; +pub use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; -pub mod ir { - pub use rustc_type_ir::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}; -} - -pub trait TypeVisitableExt<'tcx>: ir::TypeVisitable<TyCtxt<'tcx>> { +pub trait TypeVisitableExt<'tcx>: TypeVisitable<TyCtxt<'tcx>> { /// Returns `true` if `self` has any late-bound regions that are either /// bound by `binder` or bound by some binder outside of `binder`. /// If `binder` is `ty::INNERMOST`, this indicates whether @@ -135,7 +129,7 @@ pub trait TypeVisitableExt<'tcx>: ir::TypeVisitable<TyCtxt<'tcx>> { } } -impl<'tcx, T: ir::TypeVisitable<TyCtxt<'tcx>>> TypeVisitableExt<'tcx> for T {} +impl<'tcx, T: TypeVisitable<TyCtxt<'tcx>>> TypeVisitableExt<'tcx> for T {} /////////////////////////////////////////////////////////////////////////// // Region folder @@ -144,7 +138,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Invoke `callback` on every region appearing free in `value`. pub fn for_each_free_region( self, - value: &impl TypeVisitable<'tcx>, + value: &impl TypeVisitable<TyCtxt<'tcx>>, mut callback: impl FnMut(ty::Region<'tcx>), ) { self.any_free_region_meets(value, |r| { @@ -156,7 +150,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Returns `true` if `callback` returns true for every region appearing free in `value`. pub fn all_free_regions_meet( self, - value: &impl TypeVisitable<'tcx>, + value: &impl TypeVisitable<TyCtxt<'tcx>>, mut callback: impl FnMut(ty::Region<'tcx>) -> bool, ) -> bool { !self.any_free_region_meets(value, |r| !callback(r)) @@ -165,7 +159,7 @@ impl<'tcx> TyCtxt<'tcx> { /// Returns `true` if `callback` returns true for some region appearing free in `value`. pub fn any_free_region_meets( self, - value: &impl TypeVisitable<'tcx>, + value: &impl TypeVisitable<TyCtxt<'tcx>>, callback: impl FnMut(ty::Region<'tcx>) -> bool, ) -> bool { struct RegionVisitor<F> { @@ -190,13 +184,13 @@ impl<'tcx> TyCtxt<'tcx> { callback: F, } - impl<'tcx, F> ir::TypeVisitor<TyCtxt<'tcx>> for RegionVisitor<F> + impl<'tcx, F> TypeVisitor<TyCtxt<'tcx>> for RegionVisitor<F> where F: FnMut(ty::Region<'tcx>) -> bool, { type BreakTy = (); - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -243,7 +237,7 @@ impl<'tcx> TyCtxt<'tcx> { value: &Binder<'tcx, T>, ) -> FxHashSet<ty::BoundRegionKind> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { self.collect_late_bound_regions(value, true) } @@ -254,7 +248,7 @@ impl<'tcx> TyCtxt<'tcx> { value: &Binder<'tcx, T>, ) -> FxHashSet<ty::BoundRegionKind> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { self.collect_late_bound_regions(value, false) } @@ -265,7 +259,7 @@ impl<'tcx> TyCtxt<'tcx> { just_constraint: bool, ) -> FxHashSet<ty::BoundRegionKind> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { let mut collector = LateBoundRegionsCollector::new(just_constraint); let result = value.as_ref().skip_binder().visit_with(&mut collector); @@ -292,10 +286,10 @@ impl<'tcx> ValidateBoundVars<'tcx> { } } -impl<'tcx> ir::TypeVisitor<TyCtxt<'tcx>> for ValidateBoundVars<'tcx> { +impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for ValidateBoundVars<'tcx> { type BreakTy = (); - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -404,10 +398,10 @@ struct HasEscapingVarsVisitor { outer_index: ty::DebruijnIndex, } -impl<'tcx> ir::TypeVisitor<TyCtxt<'tcx>> for HasEscapingVarsVisitor { +impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for HasEscapingVarsVisitor { type BreakTy = FoundEscapingVars; - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -481,7 +475,7 @@ impl std::fmt::Debug for HasTypeFlagsVisitor { } } -impl<'tcx> ir::TypeVisitor<TyCtxt<'tcx>> for HasTypeFlagsVisitor { +impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for HasTypeFlagsVisitor { type BreakTy = FoundFlags; #[inline] @@ -551,8 +545,8 @@ impl LateBoundRegionsCollector { } } -impl<'tcx> ir::TypeVisitor<TyCtxt<'tcx>> for LateBoundRegionsCollector { - fn visit_binder<T: TypeVisitable<'tcx>>( +impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for LateBoundRegionsCollector { + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -613,7 +607,7 @@ impl MaxUniverse { } } -impl<'tcx> ir::TypeVisitor<TyCtxt<'tcx>> for MaxUniverse { +impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for MaxUniverse { fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { if let ty::Placeholder(placeholder) = t.kind() { self.max_universe = ty::UniverseIndex::from_u32( diff --git a/compiler/rustc_middle/src/values.rs b/compiler/rustc_middle/src/values.rs index 34e8a559784..c4f526dbdc8 100644 --- a/compiler/rustc_middle/src/values.rs +++ b/compiler/rustc_middle/src/values.rs @@ -2,7 +2,7 @@ use crate::dep_graph::DepKind; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{pluralize, struct_span_err, Applicability, MultiSpan}; use rustc_hir as hir; -use rustc_hir::def::DefKind; +use rustc_hir::def::{DefKind, Res}; use rustc_middle::ty::Representability; use rustc_middle::ty::{self, DefIdTree, Ty, TyCtxt}; use rustc_query_system::query::QueryInfo; @@ -16,7 +16,7 @@ impl<'tcx> Value<TyCtxt<'tcx>, DepKind> for Ty<'_> { fn from_cycle_error(tcx: TyCtxt<'tcx>, _: &[QueryInfo<DepKind>]) -> Self { // SAFETY: This is never called when `Self` is not `Ty<'tcx>`. // FIXME: Represent the above fact in the trait system somehow. - unsafe { std::mem::transmute::<Ty<'tcx>, Ty<'_>>(tcx.ty_error()) } + unsafe { std::mem::transmute::<Ty<'tcx>, Ty<'_>>(tcx.ty_error_misc()) } } } @@ -34,7 +34,7 @@ impl<'tcx> Value<TyCtxt<'tcx>, DepKind> for ty::SymbolName<'_> { impl<'tcx> Value<TyCtxt<'tcx>, DepKind> for ty::Binder<'_, ty::FnSig<'_>> { fn from_cycle_error(tcx: TyCtxt<'tcx>, stack: &[QueryInfo<DepKind>]) -> Self { - let err = tcx.ty_error(); + let err = tcx.ty_error_misc(); let arity = if let Some(frame) = stack.get(0) && frame.query.dep_kind == DepKind::fn_sig @@ -199,7 +199,8 @@ fn find_item_ty_spans( ) { match ty.kind { hir::TyKind::Path(hir::QPath::Resolved(_, path)) => { - if let Some(def_id) = path.res.opt_def_id() { + if let Res::Def(kind, def_id) = path.res + && kind != DefKind::TyAlias { let check_params = def_id.as_local().map_or(true, |def_id| { if def_id == needle { spans.push(ty.span); diff --git a/compiler/rustc_error_messages/locales/en-US/mir_build.ftl b/compiler/rustc_mir_build/locales/en-US.ftl index f9bda721df3..f9bda721df3 100644 --- a/compiler/rustc_error_messages/locales/en-US/mir_build.ftl +++ b/compiler/rustc_mir_build/locales/en-US.ftl diff --git a/compiler/rustc_mir_build/src/build/matches/test.rs b/compiler/rustc_mir_build/src/build/matches/test.rs index 8859f5002e4..2de89f67dfd 100644 --- a/compiler/rustc_mir_build/src/build/matches/test.rs +++ b/compiler/rustc_mir_build/src/build/matches/test.rs @@ -832,7 +832,7 @@ fn trait_method<'tcx>( tcx: TyCtxt<'tcx>, trait_def_id: DefId, method_name: Symbol, - substs: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + substs: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> ConstantKind<'tcx> { // The unhygienic comparison here is acceptable because this is only // used on known traits. diff --git a/compiler/rustc_mir_build/src/build/matches/util.rs b/compiler/rustc_mir_build/src/build/matches/util.rs index fbe08a7bd24..c34105174ef 100644 --- a/compiler/rustc_mir_build/src/build/matches/util.rs +++ b/compiler/rustc_mir_build/src/build/matches/util.rs @@ -5,7 +5,7 @@ use crate::build::Builder; use rustc_middle::mir::*; use rustc_middle::thir::*; use rustc_middle::ty; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use smallvec::SmallVec; impl<'a, 'tcx> Builder<'a, 'tcx> { diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 933b1158fa6..27536fcddd7 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -20,7 +20,7 @@ use rustc_middle::mir::*; use rustc_middle::thir::{ self, BindingMode, Expr, ExprId, LintLevel, LocalVarId, Param, ParamId, PatKind, Thir, }; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable, TypeckResults}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt, TypeckResults}; use rustc_span::symbol::sym; use rustc_span::Span; use rustc_span::Symbol; @@ -639,7 +639,7 @@ fn construct_error( let hir_id = tcx.hir().local_def_id_to_hir_id(def); let generator_kind = tcx.generator_kind(def); - let ty = tcx.ty_error(); + let ty = tcx.ty_error(err); let num_params = match body_owner_kind { hir::BodyOwnerKind::Fn => tcx.fn_sig(def).skip_binder().inputs().skip_binder().len(), hir::BodyOwnerKind::Closure => { diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index ced251267d3..c1f6b8b59ce 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -1,9 +1,10 @@ -use crate::thir::pattern::deconstruct_pat::DeconstructedPat; -use crate::thir::pattern::MatchCheckCtxt; -use rustc_errors::Handler; +use crate::{ + fluent_generated as fluent, + thir::pattern::{deconstruct_pat::DeconstructedPat, MatchCheckCtxt}, +}; use rustc_errors::{ error_code, AddToDiagnostic, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, - IntoDiagnostic, MultiSpan, SubdiagnosticMessage, + Handler, IntoDiagnostic, MultiSpan, SubdiagnosticMessage, }; use rustc_hir::def::Res; use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; @@ -358,7 +359,7 @@ impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::mir_build_non_exhaustive_patterns_type_not_empty, + fluent::mir_build_non_exhaustive_patterns_type_not_empty, error_code!(E0004), ); @@ -380,7 +381,7 @@ impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { let mut span: MultiSpan = def_span.into(); span.push_span_label(def_span, ""); - diag.span_note(span, rustc_errors::fluent::def_note); + diag.span_note(span, fluent::mir_build_def_note); } let is_variant_list_non_exhaustive = match self.ty.kind() { @@ -391,14 +392,14 @@ impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { }; if is_variant_list_non_exhaustive { - diag.note(rustc_errors::fluent::non_exhaustive_type_note); + diag.note(fluent::mir_build_non_exhaustive_type_note); } else { - diag.note(rustc_errors::fluent::type_note); + diag.note(fluent::mir_build_type_note); } if let ty::Ref(_, sub_ty, _) = self.ty.kind() { if !sub_ty.is_inhabited_from(self.cx.tcx, self.cx.module, self.cx.param_env) { - diag.note(rustc_errors::fluent::reference_note); + diag.note(fluent::mir_build_reference_note); } } @@ -424,12 +425,12 @@ impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { if let Some((span, sugg)) = suggestion { diag.span_suggestion_verbose( span, - rustc_errors::fluent::suggestion, + fluent::mir_build_suggestion, sugg, Applicability::HasPlaceholders, ); } else { - diag.help(rustc_errors::fluent::help); + diag.help(fluent::mir_build_help); } diag @@ -469,7 +470,7 @@ pub struct NonConstPath { pub struct UnreachablePattern { #[label] pub span: Option<Span>, - #[label(catchall_label)] + #[label(mir_build_catchall_label)] pub catchall: Option<Span>, } @@ -493,7 +494,7 @@ pub struct LowerRangeBoundMustBeLessThanOrEqualToUpper { #[primary_span] #[label] pub span: Span, - #[note(teach_note)] + #[note(mir_build_teach_note)] pub teach: Option<()>, } @@ -585,9 +586,9 @@ pub struct BorrowOfMovedValue<'tcx> { #[primary_span] pub span: Span, #[label] - #[label(occurs_because_label)] + #[label(mir_build_occurs_because_label)] pub binding_span: Span, - #[label(value_borrowed_label)] + #[label(mir_build_value_borrowed_label)] pub conflicts_ref: Vec<Span>, pub name: Ident, pub ty: Ty<'tcx>, @@ -708,7 +709,7 @@ pub struct NontrivialStructuralMatch<'tcx> { #[diag(mir_build_overlapping_range_endpoints)] #[note] pub struct OverlappingRangeEndpoints<'tcx> { - #[label(range)] + #[label(mir_build_range)] pub range: Span, #[subdiagnostic] pub overlap: Vec<Overlap<'tcx>>, @@ -788,7 +789,7 @@ pub(crate) struct PatternNotCovered<'s, 'tcx> { pub interpreted_as_const: Option<InterpretedAsConst>, #[subdiagnostic] pub adt_defined_here: Option<AdtDefinedHere<'tcx>>, - #[note(pattern_ty)] + #[note(mir_build_pattern_ty)] pub _p: (), pub pattern_ty: Ty<'tcx>, #[subdiagnostic] @@ -823,10 +824,10 @@ impl<'tcx> AddToDiagnostic for AdtDefinedHere<'tcx> { let mut spans = MultiSpan::from(self.adt_def_span); for Variant { span } in self.variants { - spans.push_span_label(span, rustc_errors::fluent::mir_build_variant_defined_here); + spans.push_span_label(span, fluent::mir_build_variant_defined_here); } - diag.span_note(spans, rustc_errors::fluent::mir_build_adt_defined_here); + diag.span_note(spans, fluent::mir_build_adt_defined_here); } } diff --git a/compiler/rustc_mir_build/src/lib.rs b/compiler/rustc_mir_build/src/lib.rs index 94dae36154c..fbc130501f9 100644 --- a/compiler/rustc_mir_build/src/lib.rs +++ b/compiler/rustc_mir_build/src/lib.rs @@ -25,6 +25,11 @@ pub mod thir; use rustc_middle::ty::query::Providers; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + +fluent_messages! { "../locales/en-US.ftl" } + pub fn provide(providers: &mut Providers) { providers.check_match = thir::pattern::check_match; providers.lit_to_const = thir::constant::lit_to_const; diff --git a/compiler/rustc_mir_build/src/thir/cx/mod.rs b/compiler/rustc_mir_build/src/thir/cx/mod.rs index 3b7ceb3adcc..74c35ef0fc2 100644 --- a/compiler/rustc_mir_build/src/thir/cx/mod.rs +++ b/compiler/rustc_mir_build/src/thir/cx/mod.rs @@ -133,9 +133,9 @@ impl<'tcx> Cx<'tcx> { bug!("closure expr does not have closure type: {:?}", closure_ty); }; - let bound_vars = self.tcx.mk_bound_variable_kinds(std::iter::once( - ty::BoundVariableKind::Region(ty::BrEnv), - )); + let bound_vars = self + .tcx + .intern_bound_variable_kinds(&[ty::BoundVariableKind::Region(ty::BrEnv)]); let br = ty::BoundRegion { var: ty::BoundVar::from_usize(bound_vars.len() - 1), kind: ty::BrEnv, diff --git a/compiler/rustc_error_messages/locales/en-US/mir_dataflow.ftl b/compiler/rustc_mir_dataflow/locales/en-US.ftl index 98854152508..98854152508 100644 --- a/compiler/rustc_error_messages/locales/en-US/mir_dataflow.ftl +++ b/compiler/rustc_mir_dataflow/locales/en-US.ftl diff --git a/compiler/rustc_mir_dataflow/src/framework/direction.rs b/compiler/rustc_mir_dataflow/src/framework/direction.rs index 077a21fc8af..2ae3ae02fcc 100644 --- a/compiler/rustc_mir_dataflow/src/framework/direction.rs +++ b/compiler/rustc_mir_dataflow/src/framework/direction.rs @@ -1,4 +1,3 @@ -use rustc_index::bit_set::BitSet; use rustc_middle::mir::{self, BasicBlock, Location, SwitchTargets}; use rustc_middle::ty::TyCtxt; use std::ops::RangeInclusive; @@ -54,7 +53,6 @@ pub trait Direction { analysis: &A, tcx: TyCtxt<'tcx>, body: &mir::Body<'tcx>, - dead_unwinds: Option<&BitSet<BasicBlock>>, exit_state: &mut A::Domain, block: (BasicBlock, &'_ mir::BasicBlockData<'tcx>), propagate: impl FnMut(BasicBlock, &A::Domain), @@ -221,7 +219,6 @@ impl Direction for Backward { analysis: &A, _tcx: TyCtxt<'tcx>, body: &mir::Body<'tcx>, - dead_unwinds: Option<&BitSet<BasicBlock>>, exit_state: &mut A::Domain, (bb, _bb_data): (BasicBlock, &'_ mir::BasicBlockData<'tcx>), mut propagate: impl FnMut(BasicBlock, &A::Domain), @@ -278,20 +275,6 @@ impl Direction for Backward { } } - // Ignore dead unwinds. - mir::TerminatorKind::Call { cleanup: Some(unwind), .. } - | mir::TerminatorKind::Assert { cleanup: Some(unwind), .. } - | mir::TerminatorKind::Drop { unwind: Some(unwind), .. } - | mir::TerminatorKind::DropAndReplace { unwind: Some(unwind), .. } - | mir::TerminatorKind::FalseUnwind { unwind: Some(unwind), .. } - | mir::TerminatorKind::InlineAsm { cleanup: Some(unwind), .. } - if unwind == bb => - { - if dead_unwinds.map_or(true, |dead| !dead.contains(pred)) { - propagate(pred, exit_state); - } - } - _ => propagate(pred, exit_state), } } @@ -304,7 +287,6 @@ struct BackwardSwitchIntEdgeEffectsApplier<'a, 'tcx, D, F> { exit_state: &'a mut D, bb: BasicBlock, propagate: &'a mut F, - effects_applied: bool, } @@ -484,7 +466,6 @@ impl Direction for Forward { analysis: &A, _tcx: TyCtxt<'tcx>, _body: &mir::Body<'tcx>, - dead_unwinds: Option<&BitSet<BasicBlock>>, exit_state: &mut A::Domain, (bb, bb_data): (BasicBlock, &'_ mir::BasicBlockData<'tcx>), mut propagate: impl FnMut(BasicBlock, &A::Domain), @@ -502,9 +483,7 @@ impl Direction for Forward { | DropAndReplace { target, unwind, value: _, place: _ } | FalseUnwind { real_target: target, unwind } => { if let Some(unwind) = unwind { - if dead_unwinds.map_or(true, |dead| !dead.contains(bb)) { - propagate(unwind, exit_state); - } + propagate(unwind, exit_state); } propagate(target, exit_state); @@ -534,9 +513,7 @@ impl Direction for Forward { fn_span: _, } => { if let Some(unwind) = cleanup { - if dead_unwinds.map_or(true, |dead| !dead.contains(bb)) { - propagate(unwind, exit_state); - } + propagate(unwind, exit_state); } if let Some(target) = target { @@ -560,9 +537,7 @@ impl Direction for Forward { cleanup, } => { if let Some(unwind) = cleanup { - if dead_unwinds.map_or(true, |dead| !dead.contains(bb)) { - propagate(unwind, exit_state); - } + propagate(unwind, exit_state); } if let Some(target) = destination { diff --git a/compiler/rustc_mir_dataflow/src/framework/engine.rs b/compiler/rustc_mir_dataflow/src/framework/engine.rs index 6ddbe69e17e..91c3bf0ad21 100644 --- a/compiler/rustc_mir_dataflow/src/framework/engine.rs +++ b/compiler/rustc_mir_dataflow/src/framework/engine.rs @@ -12,7 +12,6 @@ use rustc_ast as ast; use rustc_data_structures::work_queue::WorkQueue; use rustc_graphviz as dot; use rustc_hir::def_id::DefId; -use rustc_index::bit_set::BitSet; use rustc_index::vec::{Idx, IndexVec}; use rustc_middle::mir::{self, traversal, BasicBlock}; use rustc_middle::mir::{create_dump_file, dump_enabled}; @@ -78,7 +77,6 @@ where { tcx: TyCtxt<'tcx>, body: &'a mir::Body<'tcx>, - dead_unwinds: Option<&'a BitSet<BasicBlock>>, entry_sets: IndexVec<BasicBlock, A::Domain>, pass_name: Option<&'static str>, analysis: A, @@ -154,25 +152,7 @@ where bug!("`initialize_start_block` is not yet supported for backward dataflow analyses"); } - Engine { - analysis, - tcx, - body, - dead_unwinds: None, - pass_name: None, - entry_sets, - apply_trans_for_block, - } - } - - /// Signals that we do not want dataflow state to propagate across unwind edges for these - /// `BasicBlock`s. - /// - /// You must take care that `dead_unwinds` does not contain a `BasicBlock` that *can* actually - /// unwind during execution. Otherwise, your dataflow results will not be correct. - pub fn dead_unwinds(mut self, dead_unwinds: &'a BitSet<BasicBlock>) -> Self { - self.dead_unwinds = Some(dead_unwinds); - self + Engine { analysis, tcx, body, pass_name: None, entry_sets, apply_trans_for_block } } /// Adds an identifier to the graphviz output for this particular run of a dataflow analysis. @@ -190,14 +170,7 @@ where A::Domain: DebugWithContext<A>, { let Engine { - analysis, - body, - dead_unwinds, - mut entry_sets, - tcx, - apply_trans_for_block, - pass_name, - .. + analysis, body, mut entry_sets, tcx, apply_trans_for_block, pass_name, .. } = self; let mut dirty_queue: WorkQueue<BasicBlock> = WorkQueue::with_none(body.basic_blocks.len()); @@ -236,7 +209,6 @@ where &analysis, tcx, body, - dead_unwinds, &mut state, (bb, bb_data), |target: BasicBlock, state: &A::Domain| { diff --git a/compiler/rustc_mir_dataflow/src/lib.rs b/compiler/rustc_mir_dataflow/src/lib.rs index 3e382f500af..b1e03faff05 100644 --- a/compiler/rustc_mir_dataflow/src/lib.rs +++ b/compiler/rustc_mir_dataflow/src/lib.rs @@ -16,7 +16,9 @@ extern crate tracing; extern crate rustc_middle; use rustc_ast::MetaItem; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir::def_id::DefId; +use rustc_macros::fluent_messages; use rustc_middle::ty::{self, TyCtxt}; use rustc_span::symbol::{sym, Symbol}; @@ -44,6 +46,8 @@ pub mod storage; pub mod un_derefer; pub mod value_analysis; +fluent_messages! { "../locales/en-US.ftl" } + pub(crate) mod indexes { pub(crate) use super::move_paths::MovePathIndex; } diff --git a/compiler/rustc_mir_transform/src/check_packed_ref.rs b/compiler/rustc_mir_transform/src/check_packed_ref.rs index 9dc8dba23a4..f5f1c1010e1 100644 --- a/compiler/rustc_mir_transform/src/check_packed_ref.rs +++ b/compiler/rustc_mir_transform/src/check_packed_ref.rs @@ -42,12 +42,12 @@ impl<'tcx> Visitor<'tcx> for PackedRefChecker<'_, 'tcx> { if util::is_disaligned(self.tcx, self.body, self.param_env, *place) { let def_id = self.body.source.instance.def_id(); if let Some(impl_def_id) = self.tcx.impl_of_method(def_id) - && self.tcx.is_builtin_derive(impl_def_id) + && self.tcx.is_builtin_derived(impl_def_id) { // If we ever reach here it means that the generated derive // code is somehow doing an unaligned reference, which it // shouldn't do. - unreachable!(); + span_bug!(self.source_info.span, "builtin derive created an unaligned reference"); } else { struct_span_err!( self.tcx.sess, diff --git a/compiler/rustc_mir_transform/src/const_prop.rs b/compiler/rustc_mir_transform/src/const_prop.rs index 13f064aa72e..6b2eefce24d 100644 --- a/compiler/rustc_mir_transform/src/const_prop.rs +++ b/compiler/rustc_mir_transform/src/const_prop.rs @@ -13,14 +13,10 @@ use rustc_index::vec::IndexVec; use rustc_middle::mir::visit::{ MutVisitor, MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor, }; -use rustc_middle::mir::{ - BasicBlock, BinOp, Body, Constant, ConstantKind, Local, LocalDecl, LocalKind, Location, - Operand, Place, Rvalue, SourceInfo, Statement, StatementKind, Terminator, TerminatorKind, UnOp, - RETURN_PLACE, -}; +use rustc_middle::mir::*; use rustc_middle::ty::layout::{LayoutError, LayoutOf, LayoutOfHelpers, TyAndLayout}; use rustc_middle::ty::InternalSubsts; -use rustc_middle::ty::{self, ConstKind, Instance, ParamEnv, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, ConstKind, Instance, ParamEnv, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::{def_id::DefId, Span}; use rustc_target::abi::{self, Align, HasDataLayout, Size, TargetDataLayout}; use rustc_target::spec::abi::Abi as CallAbi; @@ -456,27 +452,6 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { }; } - fn use_ecx<F, T>(&mut self, f: F) -> Option<T> - where - F: FnOnce(&mut Self) -> InterpResult<'tcx, T>, - { - match f(self) { - Ok(val) => Some(val), - Err(error) => { - trace!("InterpCx operation failed: {:?}", error); - // Some errors shouldn't come up because creating them causes - // an allocation, which we should avoid. When that happens, - // dedicated error variants should be introduced instead. - assert!( - !error.kind().formatted_string(), - "const-prop encountered formatting error: {}", - error - ); - None - } - } - } - /// Returns the value, if any, of evaluating `c`. fn eval_constant(&mut self, c: &Constant<'tcx>) -> Option<OpTy<'tcx>> { // FIXME we need to revisit this for #67176 @@ -491,7 +466,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { /// Returns the value, if any, of evaluating `place`. fn eval_place(&mut self, place: Place<'tcx>) -> Option<OpTy<'tcx>> { trace!("eval_place(place={:?})", place); - self.use_ecx(|this| this.ecx.eval_place_to_op(place, None)) + self.ecx.eval_place_to_op(place, None).ok() } /// Returns the value, if any, of evaluating `op`. Calls upon `eval_constant` @@ -503,55 +478,6 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { } } - fn check_unary_op(&mut self, op: UnOp, arg: &Operand<'tcx>) -> Option<()> { - if self.use_ecx(|this| { - let val = this.ecx.read_immediate(&this.ecx.eval_operand(arg, None)?)?; - let (_res, overflow, _ty) = this.ecx.overflowing_unary_op(op, &val)?; - Ok(overflow) - })? { - // `AssertKind` only has an `OverflowNeg` variant, so make sure that is - // appropriate to use. - assert_eq!(op, UnOp::Neg, "Neg is the only UnOp that can overflow"); - return None; - } - - Some(()) - } - - fn check_binary_op( - &mut self, - op: BinOp, - left: &Operand<'tcx>, - right: &Operand<'tcx>, - ) -> Option<()> { - let r = self.use_ecx(|this| this.ecx.read_immediate(&this.ecx.eval_operand(right, None)?)); - let l = self.use_ecx(|this| this.ecx.read_immediate(&this.ecx.eval_operand(left, None)?)); - // Check for exceeding shifts *even if* we cannot evaluate the LHS. - if matches!(op, BinOp::Shr | BinOp::Shl) { - let r = r.clone()?; - // We need the type of the LHS. We cannot use `place_layout` as that is the type - // of the result, which for checked binops is not the same! - let left_ty = left.ty(self.local_decls, self.tcx); - let left_size = self.ecx.layout_of(left_ty).ok()?.size; - let right_size = r.layout.size; - let r_bits = r.to_scalar().to_bits(right_size).ok(); - if r_bits.map_or(false, |b| b >= left_size.bits() as u128) { - return None; - } - } - - if let (Some(l), Some(r)) = (&l, &r) { - // The remaining operators are handled through `overflowing_binary_op`. - if self.use_ecx(|this| { - let (_res, overflow, _ty) = this.ecx.overflowing_binary_op(op, l, r)?; - Ok(overflow) - })? { - return None; - } - } - Some(()) - } - fn propagate_operand(&mut self, operand: &mut Operand<'tcx>) { match *operand { Operand::Copy(l) | Operand::Move(l) => { @@ -587,28 +513,6 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { // 2. Working around bugs in other parts of the compiler // - In this case, we'll return `None` from this function to stop evaluation. match rvalue { - // Additional checking: give lints to the user if an overflow would occur. - // We do this here and not in the `Assert` terminator as that terminator is - // only sometimes emitted (overflow checks can be disabled), but we want to always - // lint. - Rvalue::UnaryOp(op, arg) => { - trace!("checking UnaryOp(op = {:?}, arg = {:?})", op, arg); - self.check_unary_op(*op, arg)?; - } - Rvalue::BinaryOp(op, box (left, right)) => { - trace!("checking BinaryOp(op = {:?}, left = {:?}, right = {:?})", op, left, right); - self.check_binary_op(*op, left, right)?; - } - Rvalue::CheckedBinaryOp(op, box (left, right)) => { - trace!( - "checking CheckedBinaryOp(op = {:?}, left = {:?}, right = {:?})", - op, - left, - right - ); - self.check_binary_op(*op, left, right)?; - } - // Do not try creating references (#67862) Rvalue::AddressOf(_, place) | Rvalue::Ref(_, _, place) => { trace!("skipping AddressOf | Ref for {:?}", place); @@ -638,7 +542,10 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { | Rvalue::Cast(..) | Rvalue::ShallowInitBox(..) | Rvalue::Discriminant(..) - | Rvalue::NullaryOp(..) => {} + | Rvalue::NullaryOp(..) + | Rvalue::UnaryOp(..) + | Rvalue::BinaryOp(..) + | Rvalue::CheckedBinaryOp(..) => {} } // FIXME we need to revisit this for #67176 @@ -663,35 +570,37 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { rvalue: &Rvalue<'tcx>, place: Place<'tcx>, ) -> Option<()> { - self.use_ecx(|this| match rvalue { + match rvalue { Rvalue::BinaryOp(op, box (left, right)) | Rvalue::CheckedBinaryOp(op, box (left, right)) => { - let l = this.ecx.eval_operand(left, None).and_then(|x| this.ecx.read_immediate(&x)); + let l = self.ecx.eval_operand(left, None).and_then(|x| self.ecx.read_immediate(&x)); let r = - this.ecx.eval_operand(right, None).and_then(|x| this.ecx.read_immediate(&x)); + self.ecx.eval_operand(right, None).and_then(|x| self.ecx.read_immediate(&x)); let const_arg = match (l, r) { (Ok(x), Err(_)) | (Err(_), Ok(x)) => x, // exactly one side is known - (Err(e), Err(_)) => return Err(e), // neither side is known - (Ok(_), Ok(_)) => return this.ecx.eval_rvalue_into_place(rvalue, place), // both sides are known + (Err(_), Err(_)) => return None, // neither side is known + (Ok(_), Ok(_)) => return self.ecx.eval_rvalue_into_place(rvalue, place).ok(), // both sides are known }; if !matches!(const_arg.layout.abi, abi::Abi::Scalar(..)) { // We cannot handle Scalar Pair stuff. // No point in calling `eval_rvalue_into_place`, since only one side is known - throw_machine_stop_str!("cannot optimize this") + return None; } - let arg_value = const_arg.to_scalar().to_bits(const_arg.layout.size)?; - let dest = this.ecx.eval_place(place)?; + let arg_value = const_arg.to_scalar().to_bits(const_arg.layout.size).ok()?; + let dest = self.ecx.eval_place(place).ok()?; match op { - BinOp::BitAnd if arg_value == 0 => this.ecx.write_immediate(*const_arg, &dest), + BinOp::BitAnd if arg_value == 0 => { + self.ecx.write_immediate(*const_arg, &dest).ok() + } BinOp::BitOr if arg_value == const_arg.layout.size.truncate(u128::MAX) || (const_arg.layout.ty.is_bool() && arg_value == 1) => { - this.ecx.write_immediate(*const_arg, &dest) + self.ecx.write_immediate(*const_arg, &dest).ok() } BinOp::Mul if const_arg.layout.ty.is_integral() && arg_value == 0 => { if let Rvalue::CheckedBinaryOp(_, _) = rvalue { @@ -699,16 +608,16 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { const_arg.to_scalar(), Scalar::from_bool(false), ); - this.ecx.write_immediate(val, &dest) + self.ecx.write_immediate(val, &dest).ok() } else { - this.ecx.write_immediate(*const_arg, &dest) + self.ecx.write_immediate(*const_arg, &dest).ok() } } - _ => throw_machine_stop_str!("cannot optimize this"), + _ => None, } } - _ => this.ecx.eval_rvalue_into_place(rvalue, place), - }) + _ => self.ecx.eval_rvalue_into_place(rvalue, place).ok(), + } } /// Creates a new `Operand::Constant` from a `Scalar` value @@ -750,7 +659,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { } // FIXME> figure out what to do when read_immediate_raw fails - let imm = self.use_ecx(|this| this.ecx.read_immediate_raw(value)); + let imm = self.ecx.read_immediate_raw(value).ok(); if let Some(Right(imm)) = imm { match *imm { @@ -770,25 +679,23 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { if let ty::Tuple(types) = ty.kind() { // Only do it if tuple is also a pair with two scalars if let [ty1, ty2] = types[..] { - let alloc = self.use_ecx(|this| { - let ty_is_scalar = |ty| { - this.ecx.layout_of(ty).ok().map(|layout| layout.abi.is_scalar()) - == Some(true) - }; - if ty_is_scalar(ty1) && ty_is_scalar(ty2) { - let alloc = this - .ecx - .intern_with_temp_alloc(value.layout, |ecx, dest| { - ecx.write_immediate(*imm, dest) - }) - .unwrap(); - Ok(Some(alloc)) - } else { - Ok(None) - } - }); - - if let Some(Some(alloc)) = alloc { + let ty_is_scalar = |ty| { + self.ecx.layout_of(ty).ok().map(|layout| layout.abi.is_scalar()) + == Some(true) + }; + let alloc = if ty_is_scalar(ty1) && ty_is_scalar(ty2) { + let alloc = self + .ecx + .intern_with_temp_alloc(value.layout, |ecx, dest| { + ecx.write_immediate(*imm, dest) + }) + .unwrap(); + Some(alloc) + } else { + None + }; + + if let Some(alloc) = alloc { // Assign entire constant in a single statement. // We can't use aggregates, as we run after the aggregate-lowering `MirPhase`. let const_val = ConstValue::ByRef { alloc, offset: Size::ZERO }; @@ -989,84 +896,80 @@ impl<'tcx> MutVisitor<'tcx> for ConstPropagator<'_, 'tcx> { trace!("visit_statement: {:?}", statement); let source_info = statement.source_info; self.source_info = Some(source_info); - if let StatementKind::Assign(box (place, ref mut rval)) = statement.kind { - let can_const_prop = self.ecx.machine.can_const_prop[place.local]; - if let Some(()) = self.const_prop(rval, place) { - // This will return None if the above `const_prop` invocation only "wrote" a - // type whose creation requires no write. E.g. a generator whose initial state - // consists solely of uninitialized memory (so it doesn't capture any locals). - if let Some(ref value) = self.get_const(place) && self.should_const_prop(value) { - trace!("replacing {:?} with {:?}", rval, value); - self.replace_with_const(rval, value, source_info); - if can_const_prop == ConstPropMode::FullConstProp - || can_const_prop == ConstPropMode::OnlyInsideOwnBlock - { - trace!("propagated into {:?}", place); + match statement.kind { + StatementKind::Assign(box (place, ref mut rval)) => { + let can_const_prop = self.ecx.machine.can_const_prop[place.local]; + if let Some(()) = self.const_prop(rval, place) { + // This will return None if the above `const_prop` invocation only "wrote" a + // type whose creation requires no write. E.g. a generator whose initial state + // consists solely of uninitialized memory (so it doesn't capture any locals). + if let Some(ref value) = self.get_const(place) && self.should_const_prop(value) { + trace!("replacing {:?} with {:?}", rval, value); + self.replace_with_const(rval, value, source_info); + if can_const_prop == ConstPropMode::FullConstProp + || can_const_prop == ConstPropMode::OnlyInsideOwnBlock + { + trace!("propagated into {:?}", place); + } } - } - match can_const_prop { - ConstPropMode::OnlyInsideOwnBlock => { - trace!( - "found local restricted to its block. \ + match can_const_prop { + ConstPropMode::OnlyInsideOwnBlock => { + trace!( + "found local restricted to its block. \ Will remove it from const-prop after block is finished. Local: {:?}", - place.local - ); - } - ConstPropMode::OnlyPropagateInto | ConstPropMode::NoPropagation => { - trace!("can't propagate into {:?}", place); - if place.local != RETURN_PLACE { - Self::remove_const(&mut self.ecx, place.local); + place.local + ); } - } - ConstPropMode::FullConstProp => {} - } - } else { - // Const prop failed, so erase the destination, ensuring that whatever happens - // from here on, does not know about the previous value. - // This is important in case we have - // ```rust - // let mut x = 42; - // x = SOME_MUTABLE_STATIC; - // // x must now be uninit - // ``` - // FIXME: we overzealously erase the entire local, because that's easier to - // implement. - trace!( - "propagation into {:?} failed. - Nuking the entire site from orbit, it's the only way to be sure", - place, - ); - Self::remove_const(&mut self.ecx, place.local); - } - } else { - match statement.kind { - StatementKind::SetDiscriminant { ref place, .. } => { - match self.ecx.machine.can_const_prop[place.local] { - ConstPropMode::FullConstProp | ConstPropMode::OnlyInsideOwnBlock => { - if self.use_ecx(|this| this.ecx.statement(statement)).is_some() { - trace!("propped discriminant into {:?}", place); - } else { + ConstPropMode::OnlyPropagateInto | ConstPropMode::NoPropagation => { + trace!("can't propagate into {:?}", place); + if place.local != RETURN_PLACE { Self::remove_const(&mut self.ecx, place.local); } } - ConstPropMode::OnlyPropagateInto | ConstPropMode::NoPropagation => { - Self::remove_const(&mut self.ecx, place.local); - } + ConstPropMode::FullConstProp => {} } + } else { + // Const prop failed, so erase the destination, ensuring that whatever happens + // from here on, does not know about the previous value. + // This is important in case we have + // ```rust + // let mut x = 42; + // x = SOME_MUTABLE_STATIC; + // // x must now be uninit + // ``` + // FIXME: we overzealously erase the entire local, because that's easier to + // implement. + trace!( + "propagation into {:?} failed. + Nuking the entire site from orbit, it's the only way to be sure", + place, + ); + Self::remove_const(&mut self.ecx, place.local); } - StatementKind::StorageLive(local) | StatementKind::StorageDead(local) => { - let frame = self.ecx.frame_mut(); - frame.locals[local].value = - if let StatementKind::StorageLive(_) = statement.kind { - LocalValue::Live(interpret::Operand::Immediate( - interpret::Immediate::Uninit, - )) + } + StatementKind::SetDiscriminant { ref place, .. } => { + match self.ecx.machine.can_const_prop[place.local] { + ConstPropMode::FullConstProp | ConstPropMode::OnlyInsideOwnBlock => { + if self.ecx.statement(statement).is_ok() { + trace!("propped discriminant into {:?}", place); } else { - LocalValue::Dead - }; + Self::remove_const(&mut self.ecx, place.local); + } + } + ConstPropMode::OnlyPropagateInto | ConstPropMode::NoPropagation => { + Self::remove_const(&mut self.ecx, place.local); + } } - _ => {} } + StatementKind::StorageLive(local) | StatementKind::StorageDead(local) => { + let frame = self.ecx.frame_mut(); + frame.locals[local].value = if let StatementKind::StorageLive(_) = statement.kind { + LocalValue::Live(interpret::Operand::Immediate(interpret::Immediate::Uninit)) + } else { + LocalValue::Dead + }; + } + _ => {} } self.super_statement(statement, location); @@ -1076,34 +979,19 @@ impl<'tcx> MutVisitor<'tcx> for ConstPropagator<'_, 'tcx> { let source_info = terminator.source_info; self.source_info = Some(source_info); self.super_terminator(terminator, location); - // Do NOT early return in this function, it does some crucial fixup of the state at the end! + match &mut terminator.kind { TerminatorKind::Assert { expected, ref mut cond, .. } => { - if let Some(ref value) = self.eval_operand(&cond) { + if let Some(ref value) = self.eval_operand(&cond) + && let Ok(value_const) = self.ecx.read_scalar(&value) + && self.should_const_prop(value) + { trace!("assertion on {:?} should be {:?}", value, expected); - let expected = Scalar::from_bool(*expected); - // FIXME should be used use_ecx rather than a local match... but we have - // quite a few of these read_scalar/read_immediate that need fixing. - if let Ok(value_const) = self.ecx.read_scalar(&value) { - if expected != value_const { - // Poison all places this operand references so that further code - // doesn't use the invalid value - match cond { - Operand::Move(ref place) | Operand::Copy(ref place) => { - Self::remove_const(&mut self.ecx, place.local); - } - Operand::Constant(_) => {} - } - } else { - if self.should_const_prop(value) { - *cond = self.operand_from_scalar( - value_const, - self.tcx.types.bool, - source_info.span, - ); - } - } - } + *cond = self.operand_from_scalar( + value_const, + self.tcx.types.bool, + source_info.span, + ); } } TerminatorKind::SwitchInt { ref mut discr, .. } => { @@ -1131,6 +1019,10 @@ impl<'tcx> MutVisitor<'tcx> for ConstPropagator<'_, 'tcx> { // gated on `mir_opt_level=3`. TerminatorKind::Call { .. } => {} } + } + + fn visit_basic_block_data(&mut self, block: BasicBlock, data: &mut BasicBlockData<'tcx>) { + self.super_basic_block_data(block, data); // We remove all Locals which are restricted in propagation to their containing blocks and // which were modified in the current block. diff --git a/compiler/rustc_mir_transform/src/const_prop_lint.rs b/compiler/rustc_mir_transform/src/const_prop_lint.rs index be41d611fe4..6c1980ff3ad 100644 --- a/compiler/rustc_mir_transform/src/const_prop_lint.rs +++ b/compiler/rustc_mir_transform/src/const_prop_lint.rs @@ -21,7 +21,9 @@ use rustc_middle::mir::{ }; use rustc_middle::ty::layout::{LayoutError, LayoutOf, LayoutOfHelpers, TyAndLayout}; use rustc_middle::ty::InternalSubsts; -use rustc_middle::ty::{self, ConstInt, Instance, ParamEnv, ScalarInt, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{ + self, ConstInt, Instance, ParamEnv, ScalarInt, Ty, TyCtxt, TypeVisitableExt, +}; use rustc_session::lint; use rustc_span::Span; use rustc_target::abi::{HasDataLayout, Size, TargetDataLayout}; diff --git a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs index f3ca2337e59..49ded10ba1f 100644 --- a/compiler/rustc_mir_transform/src/dataflow_const_prop.rs +++ b/compiler/rustc_mir_transform/src/dataflow_const_prop.rs @@ -122,7 +122,10 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { ) { match rvalue { Rvalue::Aggregate(kind, operands) => { - state.flood_with(target.as_ref(), self.map(), FlatSet::Bottom); + // If we assign `target = Enum::Variant#0(operand)`, + // we must make sure that all `target as Variant#i` are `Top`. + state.flood(target.as_ref(), self.map()); + if let Some(target_idx) = self.map().find(target.as_ref()) { let (variant_target, variant_index) = match **kind { AggregateKind::Tuple | AggregateKind::Closure(..) => { @@ -131,18 +134,21 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { AggregateKind::Adt(def_id, variant_index, ..) => { match self.tcx.def_kind(def_id) { DefKind::Struct => (Some(target_idx), None), - DefKind::Enum => (Some(target_idx), Some(variant_index)), + DefKind::Enum => ( + self.map.apply(target_idx, TrackElem::Variant(variant_index)), + Some(variant_index), + ), _ => (None, None), } } _ => (None, None), }; - if let Some(target) = variant_target { + if let Some(variant_target_idx) = variant_target { for (field_index, operand) in operands.iter().enumerate() { - if let Some(field) = self - .map() - .apply(target, TrackElem::Field(Field::from_usize(field_index))) - { + if let Some(field) = self.map().apply( + variant_target_idx, + TrackElem::Field(Field::from_usize(field_index)), + ) { let result = self.handle_operand(operand, state); state.insert_idx(field, result, self.map()); } @@ -151,6 +157,11 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { if let Some(variant_index) = variant_index && let Some(discr_idx) = self.map().apply(target_idx, TrackElem::Discriminant) { + // We are assigning the discriminant as part of an aggregate. + // This discriminant can only alias a variant field's value if the operand + // had an invalid value for that type. + // Using invalid values is UB, so we are allowed to perform the assignment + // without extra flooding. let enum_ty = target.ty(self.local_decls, self.tcx).ty; if let Some(discr_val) = self.eval_discriminant(enum_ty, variant_index) { state.insert_value_idx(discr_idx, FlatSet::Elem(discr_val), &self.map); @@ -180,12 +191,7 @@ impl<'tcx> ValueAnalysis<'tcx> for ConstAnalysis<'_, 'tcx> { let overflow = match overflow { FlatSet::Top => FlatSet::Top, FlatSet::Elem(overflow) => { - if overflow { - // Overflow cannot be reliably propagated. See: https://github.com/rust-lang/rust/pull/101168#issuecomment-1288091446 - FlatSet::Top - } else { - self.wrap_scalar(Scalar::from_bool(false), self.tcx.types.bool) - } + self.wrap_scalar(Scalar::from_bool(overflow), self.tcx.types.bool) } FlatSet::Bottom => FlatSet::Bottom, }; diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index 5c5baa68e58..2e481b97278 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -136,8 +136,8 @@ use rustc_index::bit_set::BitSet; use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor}; use rustc_middle::mir::{dump_mir, PassWhere}; use rustc_middle::mir::{ - traversal, BasicBlock, Body, InlineAsmOperand, Local, LocalKind, Location, Operand, Place, - Rvalue, Statement, StatementKind, TerminatorKind, + traversal, Body, InlineAsmOperand, Local, LocalKind, Location, Operand, Place, Rvalue, + Statement, StatementKind, TerminatorKind, }; use rustc_middle::ty::TyCtxt; use rustc_mir_dataflow::impls::MaybeLiveLocals; @@ -468,7 +468,7 @@ impl<'a, 'body, 'alloc, 'tcx> FilterInformation<'a, 'body, 'alloc, 'tcx> { // to reuse the allocation. write_info: write_info_alloc, // Doesn't matter what we put here, will be overwritten before being used - at: Location { block: BasicBlock::from_u32(0), statement_index: 0 }, + at: Location::START, }; this.internal_filter_liveness(); } diff --git a/compiler/rustc_mir_transform/src/elaborate_drops.rs b/compiler/rustc_mir_transform/src/elaborate_drops.rs index c2ff8645635..bdfd8dc6e99 100644 --- a/compiler/rustc_mir_transform/src/elaborate_drops.rs +++ b/compiler/rustc_mir_transform/src/elaborate_drops.rs @@ -67,13 +67,11 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops { }; let un_derefer = UnDerefer { tcx: tcx, derefer_sidetable: side_table }; let elaborate_patch = { - let body = &*body; let env = MoveDataParamEnv { move_data, param_env }; - let dead_unwinds = find_dead_unwinds(tcx, body, &env, &un_derefer); + remove_dead_unwinds(tcx, body, &env, &un_derefer); let inits = MaybeInitializedPlaces::new(tcx, body, &env) .into_engine(tcx, body) - .dead_unwinds(&dead_unwinds) .pass_name("elaborate_drops") .iterate_to_fixpoint() .into_results_cursor(body); @@ -81,11 +79,12 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops { let uninits = MaybeUninitializedPlaces::new(tcx, body, &env) .mark_inactive_variants_as_uninit() .into_engine(tcx, body) - .dead_unwinds(&dead_unwinds) .pass_name("elaborate_drops") .iterate_to_fixpoint() .into_results_cursor(body); + let reachable = traversal::reachable_as_bitset(body); + ElaborateDropsCtxt { tcx, body, @@ -94,6 +93,7 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops { drop_flags: Default::default(), patch: MirPatch::new(body), un_derefer: un_derefer, + reachable, } .elaborate() }; @@ -102,22 +102,21 @@ impl<'tcx> MirPass<'tcx> for ElaborateDrops { } } -/// Returns the set of basic blocks whose unwind edges are known -/// to not be reachable, because they are `drop` terminators +/// Removes unwind edges which are known to be unreachable, because they are in `drop` terminators /// that can't drop anything. -fn find_dead_unwinds<'tcx>( +fn remove_dead_unwinds<'tcx>( tcx: TyCtxt<'tcx>, - body: &Body<'tcx>, + body: &mut Body<'tcx>, env: &MoveDataParamEnv<'tcx>, und: &UnDerefer<'tcx>, -) -> BitSet<BasicBlock> { - debug!("find_dead_unwinds({:?})", body.span); +) { + debug!("remove_dead_unwinds({:?})", body.span); // We only need to do this pass once, because unwind edges can only // reach cleanup blocks, which can't have unwind edges themselves. - let mut dead_unwinds = BitSet::new_empty(body.basic_blocks.len()); + let mut dead_unwinds = Vec::new(); let mut flow_inits = MaybeInitializedPlaces::new(tcx, body, &env) .into_engine(tcx, body) - .pass_name("find_dead_unwinds") + .pass_name("remove_dead_unwinds") .iterate_to_fixpoint() .into_results_cursor(body); for (bb, bb_data) in body.basic_blocks.iter_enumerated() { @@ -129,16 +128,16 @@ fn find_dead_unwinds<'tcx>( _ => continue, }; - debug!("find_dead_unwinds @ {:?}: {:?}", bb, bb_data); + debug!("remove_dead_unwinds @ {:?}: {:?}", bb, bb_data); let LookupResult::Exact(path) = env.move_data.rev_lookup.find(place.as_ref()) else { - debug!("find_dead_unwinds: has parent; skipping"); + debug!("remove_dead_unwinds: has parent; skipping"); continue; }; flow_inits.seek_before_primary_effect(body.terminator_loc(bb)); debug!( - "find_dead_unwinds @ {:?}: path({:?})={:?}; init_data={:?}", + "remove_dead_unwinds @ {:?}: path({:?})={:?}; init_data={:?}", bb, place, path, @@ -150,13 +149,22 @@ fn find_dead_unwinds<'tcx>( maybe_live |= flow_inits.contains(child); }); - debug!("find_dead_unwinds @ {:?}: maybe_live={}", bb, maybe_live); + debug!("remove_dead_unwinds @ {:?}: maybe_live={}", bb, maybe_live); if !maybe_live { - dead_unwinds.insert(bb); + dead_unwinds.push(bb); } } - dead_unwinds + if dead_unwinds.is_empty() { + return; + } + + let basic_blocks = body.basic_blocks.as_mut(); + for &bb in dead_unwinds.iter() { + if let Some(unwind) = basic_blocks[bb].terminator_mut().unwind_mut() { + *unwind = None; + } + } } struct InitializationData<'mir, 'tcx> { @@ -290,6 +298,7 @@ struct ElaborateDropsCtxt<'a, 'tcx> { drop_flags: FxHashMap<MovePathIndex, Local>, patch: MirPatch<'tcx>, un_derefer: UnDerefer<'tcx>, + reachable: BitSet<BasicBlock>, } impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { @@ -329,6 +338,9 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { fn collect_drop_flags(&mut self) { for (bb, data) in self.body.basic_blocks.iter_enumerated() { + if !self.reachable.contains(bb) { + continue; + } let terminator = data.terminator(); let place = match terminator.kind { TerminatorKind::Drop { ref place, .. } @@ -384,6 +396,9 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { fn elaborate_drops(&mut self) { for (bb, data) in self.body.basic_blocks.iter_enumerated() { + if !self.reachable.contains(bb) { + continue; + } let loc = Location { block: bb, statement_index: data.statements.len() }; let terminator = data.terminator(); @@ -541,6 +556,9 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { fn drop_flags_for_fn_rets(&mut self) { for (bb, data) in self.body.basic_blocks.iter_enumerated() { + if !self.reachable.contains(bb) { + continue; + } if let TerminatorKind::Call { destination, target: Some(tgt), cleanup: Some(_), .. } = data.terminator().kind @@ -576,6 +594,9 @@ impl<'b, 'tcx> ElaborateDropsCtxt<'b, 'tcx> { // clobbered before they are read. for (bb, data) in self.body.basic_blocks.iter_enumerated() { + if !self.reachable.contains(bb) { + continue; + } debug!("drop_flags_for_locs({:?})", data); for i in 0..(data.statements.len() + 1) { debug!("drop_flag_for_locs: stmt {}", i); diff --git a/compiler/rustc_mir_transform/src/generator.rs b/compiler/rustc_mir_transform/src/generator.rs index 35c6037fa29..dc5f88f24f8 100644 --- a/compiler/rustc_mir_transform/src/generator.rs +++ b/compiler/rustc_mir_transform/src/generator.rs @@ -487,7 +487,7 @@ fn transform_async_context<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { let get_context_def_id = tcx.require_lang_item(LangItem::GetContext, None); - for bb in BasicBlock::new(0)..body.basic_blocks.next_index() { + for bb in START_BLOCK..body.basic_blocks.next_index() { let bb_data = &body[bb]; if bb_data.is_cleanup { continue; @@ -1255,7 +1255,7 @@ fn create_generator_resume_function<'tcx>( use rustc_middle::mir::AssertKind::{ResumedAfterPanic, ResumedAfterReturn}; // Jump to the entry point on the unresumed - cases.insert(0, (UNRESUMED, BasicBlock::new(0))); + cases.insert(0, (UNRESUMED, START_BLOCK)); // Panic when resumed on the returned or poisoned state let generator_kind = body.generator_kind().unwrap(); @@ -1481,7 +1481,7 @@ impl<'tcx> MirPass<'tcx> for StateTransform { // When first entering the generator, move the resume argument into its new local. let source_info = SourceInfo::outermost(body.span); - let stmts = &mut body.basic_blocks_mut()[BasicBlock::new(0)].statements; + let stmts = &mut body.basic_blocks_mut()[START_BLOCK].statements; stmts.insert( 0, Statement { diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index 44b94f1c1a5..8c6b0463a73 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -96,7 +96,7 @@ fn inline<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) -> bool { history: Vec::new(), changed: false, }; - let blocks = BasicBlock::new(0)..body.basic_blocks.next_index(); + let blocks = START_BLOCK..body.basic_blocks.next_index(); this.process_blocks(body, blocks); this.changed } diff --git a/compiler/rustc_mir_transform/src/inline/cycle.rs b/compiler/rustc_mir_transform/src/inline/cycle.rs index b027f94925d..792457c80b0 100644 --- a/compiler/rustc_mir_transform/src/inline/cycle.rs +++ b/compiler/rustc_mir_transform/src/inline/cycle.rs @@ -2,7 +2,7 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet}; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_middle::mir::TerminatorKind; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, subst::SubstsRef, InstanceDef, TyCtxt}; use rustc_session::Limit; diff --git a/compiler/rustc_mir_transform/src/instcombine.rs b/compiler/rustc_mir_transform/src/instcombine.rs index 1079377fbac..3896f0e57ea 100644 --- a/compiler/rustc_mir_transform/src/instcombine.rs +++ b/compiler/rustc_mir_transform/src/instcombine.rs @@ -30,6 +30,7 @@ impl<'tcx> MirPass<'tcx> for InstCombine { ctx.combine_bool_cmp(&statement.source_info, rvalue); ctx.combine_ref_deref(&statement.source_info, rvalue); ctx.combine_len(&statement.source_info, rvalue); + ctx.combine_cast(&statement.source_info, rvalue); } _ => {} } @@ -110,11 +111,7 @@ impl<'tcx> InstCombineContext<'tcx, '_> { fn combine_ref_deref(&self, source_info: &SourceInfo, rvalue: &mut Rvalue<'tcx>) { if let Rvalue::Ref(_, _, place) = rvalue { if let Some((base, ProjectionElem::Deref)) = place.as_ref().last_projection() { - if let ty::Ref(_, _, Mutability::Not) = - base.ty(self.local_decls, self.tcx).ty.kind() - { - // The dereferenced place must have type `&_`, so that we don't copy `&mut _`. - } else { + if rvalue.ty(self.local_decls, self.tcx) != base.ty(self.local_decls, self.tcx).ty { return; } @@ -146,6 +143,14 @@ impl<'tcx> InstCombineContext<'tcx, '_> { } } + fn combine_cast(&self, _source_info: &SourceInfo, rvalue: &mut Rvalue<'tcx>) { + if let Rvalue::Cast(_kind, operand, ty) = rvalue { + if operand.ty(self.local_decls, self.tcx) == *ty { + *rvalue = Rvalue::Use(operand.clone()); + } + } + } + fn combine_primitive_clone( &self, terminator: &mut Terminator<'tcx>, diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 45cd4024c9f..bdd1e8fb98f 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -35,7 +35,7 @@ use rustc_middle::mir::{ TerminatorKind, }; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_span::sym; #[macro_use] diff --git a/compiler/rustc_mir_transform/src/lower_intrinsics.rs b/compiler/rustc_mir_transform/src/lower_intrinsics.rs index 9892580e63d..f596cc1808f 100644 --- a/compiler/rustc_mir_transform/src/lower_intrinsics.rs +++ b/compiler/rustc_mir_transform/src/lower_intrinsics.rs @@ -107,9 +107,29 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics { } } sym::add_with_overflow | sym::sub_with_overflow | sym::mul_with_overflow => { - // The checked binary operations are not suitable target for lowering here, - // since their semantics depend on the value of overflow-checks flag used - // during codegen. Issue #35310. + if let Some(target) = *target { + let lhs; + let rhs; + { + let mut args = args.drain(..); + lhs = args.next().unwrap(); + rhs = args.next().unwrap(); + } + let bin_op = match intrinsic_name { + sym::add_with_overflow => BinOp::Add, + sym::sub_with_overflow => BinOp::Sub, + sym::mul_with_overflow => BinOp::Mul, + _ => bug!("unexpected intrinsic"), + }; + block.statements.push(Statement { + source_info: terminator.source_info, + kind: StatementKind::Assign(Box::new(( + *destination, + Rvalue::CheckedBinaryOp(bin_op, Box::new((lhs, rhs))), + ))), + }); + terminator.kind = TerminatorKind::Goto { target }; + } } sym::size_of | sym::min_align_of => { if let Some(target) = *target { diff --git a/compiler/rustc_mir_transform/src/shim.rs b/compiler/rustc_mir_transform/src/shim.rs index 7f388b065ad..682ad081f5c 100644 --- a/compiler/rustc_mir_transform/src/shim.rs +++ b/compiler/rustc_mir_transform/src/shim.rs @@ -597,7 +597,7 @@ fn build_call_shim<'tcx>( let untuple_args = sig.inputs(); // Create substitutions for the `Self` and `Args` generic parameters of the shim body. - let arg_tup = tcx.mk_tup(untuple_args.iter()); + let arg_tup = tcx.intern_tup(untuple_args); (Some([ty.into(), arg_tup.into()]), Some(untuple_args)) } else { diff --git a/compiler/rustc_mir_transform/src/simplify.rs b/compiler/rustc_mir_transform/src/simplify.rs index ced97b2c788..9ef55c558c6 100644 --- a/compiler/rustc_mir_transform/src/simplify.rs +++ b/compiler/rustc_mir_transform/src/simplify.rs @@ -496,7 +496,7 @@ impl UsedLocals { self.increment = false; // The location of the statement is irrelevant. - let location = Location { block: START_BLOCK, statement_index: 0 }; + let location = Location::START; self.visit_statement(statement, location); } diff --git a/compiler/rustc_error_messages/locales/en-US/monomorphize.ftl b/compiler/rustc_monomorphize/locales/en-US.ftl index 6cea6a603f3..6cea6a603f3 100644 --- a/compiler/rustc_error_messages/locales/en-US/monomorphize.ftl +++ b/compiler/rustc_monomorphize/locales/en-US.ftl diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs index 55a9f912e08..ff409a80716 100644 --- a/compiler/rustc_monomorphize/src/collector.rs +++ b/compiler/rustc_monomorphize/src/collector.rs @@ -189,7 +189,9 @@ use rustc_middle::ty::adjustment::{CustomCoerceUnsized, PointerCast}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::query::TyCtxtAt; use rustc_middle::ty::subst::{GenericArgKind, InternalSubsts}; -use rustc_middle::ty::{self, GenericParamDefKind, Instance, Ty, TyCtxt, TypeFoldable, VtblEntry}; +use rustc_middle::ty::{ + self, GenericParamDefKind, Instance, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, VtblEntry, +}; use rustc_middle::{middle::codegen_fn_attrs::CodegenFnAttrFlags, mir::visit::TyContext}; use rustc_session::config::EntryFnType; use rustc_session::lint::builtin::LARGE_ASSIGNMENTS; @@ -658,7 +660,7 @@ struct MirNeighborCollector<'a, 'tcx> { impl<'a, 'tcx> MirNeighborCollector<'a, 'tcx> { pub fn monomorphize<T>(&self, value: T) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!("monomorphize: self.instance={:?}", self.instance); self.instance.subst_mir_and_normalize_erasing_regions( diff --git a/compiler/rustc_monomorphize/src/errors.rs b/compiler/rustc_monomorphize/src/errors.rs index a53bd7e1fef..495a73490a2 100644 --- a/compiler/rustc_monomorphize/src/errors.rs +++ b/compiler/rustc_monomorphize/src/errors.rs @@ -1,5 +1,6 @@ use std::path::PathBuf; +use crate::fluent_generated as fluent; use rustc_errors::ErrorGuaranteed; use rustc_errors::IntoDiagnostic; use rustc_macros::{Diagnostic, LintDiagnostic}; @@ -44,7 +45,7 @@ impl IntoDiagnostic<'_> for UnusedGenericParamsHint { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::monomorphize_unused_generic_params); + let mut diag = handler.struct_err(fluent::monomorphize_unused_generic_params); diag.set_span(self.span); for (span, name) in self.param_spans.into_iter().zip(self.param_names) { // FIXME: I can figure out how to do a label with a fluent string with a fixed message, diff --git a/compiler/rustc_monomorphize/src/lib.rs b/compiler/rustc_monomorphize/src/lib.rs index f88155e4fc7..f6b791f29c1 100644 --- a/compiler/rustc_monomorphize/src/lib.rs +++ b/compiler/rustc_monomorphize/src/lib.rs @@ -9,7 +9,9 @@ extern crate tracing; #[macro_use] extern crate rustc_middle; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir::lang_items::LangItem; +use rustc_macros::fluent_messages; use rustc_middle::traits; use rustc_middle::ty::adjustment::CustomCoerceUnsized; use rustc_middle::ty::query::{Providers, TyCtxtAt}; @@ -21,6 +23,8 @@ mod partitioning; mod polymorphize; mod util; +fluent_messages! { "../locales/en-US.ftl" } + fn custom_coerce_unsize_info<'tcx>( tcx: TyCtxtAt<'tcx>, source_ty: Ty<'tcx>, diff --git a/compiler/rustc_monomorphize/src/partitioning/default.rs b/compiler/rustc_monomorphize/src/partitioning/default.rs index 62bafb981e7..2c56edd89bc 100644 --- a/compiler/rustc_monomorphize/src/partitioning/default.rs +++ b/compiler/rustc_monomorphize/src/partitioning/default.rs @@ -9,7 +9,7 @@ use rustc_middle::middle::exported_symbols::{SymbolExportInfo, SymbolExportLevel use rustc_middle::mir::mono::{CodegenUnit, CodegenUnitNameBuilder, Linkage, Visibility}; use rustc_middle::mir::mono::{InstantiationMode, MonoItem}; use rustc_middle::ty::print::characteristic_def_id_of_type; -use rustc_middle::ty::{self, visit::TypeVisitable, DefIdTree, InstanceDef, TyCtxt}; +use rustc_middle::ty::{self, visit::TypeVisitableExt, DefIdTree, InstanceDef, TyCtxt}; use rustc_span::symbol::Symbol; use super::PartitioningCx; diff --git a/compiler/rustc_monomorphize/src/polymorphize.rs b/compiler/rustc_monomorphize/src/polymorphize.rs index 207ad332c22..b7c3dbcc091 100644 --- a/compiler/rustc_monomorphize/src/polymorphize.rs +++ b/compiler/rustc_monomorphize/src/polymorphize.rs @@ -15,7 +15,7 @@ use rustc_middle::ty::{ self, query::Providers, subst::SubstsRef, - visit::{ir::TypeVisitor, TypeSuperVisitable, TypeVisitable}, + visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor}, Const, Ty, TyCtxt, UnusedGenericParams, }; use rustc_span::symbol::sym; diff --git a/compiler/rustc_parse/Cargo.toml b/compiler/rustc_parse/Cargo.toml index dbcfb390333..3eb158c817c 100644 --- a/compiler/rustc_parse/Cargo.toml +++ b/compiler/rustc_parse/Cargo.toml @@ -16,7 +16,7 @@ rustc_lexer = { path = "../rustc_lexer" } rustc_macros = { path = "../rustc_macros" } rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } -thin-vec = "0.2.8" +thin-vec = "0.2.12" tracing = "0.1" unicode-normalization = "0.1.11" unicode-width = "0.1.4" diff --git a/compiler/rustc_error_messages/locales/en-US/parse.ftl b/compiler/rustc_parse/locales/en-US.ftl index c9cf7b62071..a31b1f6ac1a 100644 --- a/compiler/rustc_error_messages/locales/en-US/parse.ftl +++ b/compiler/rustc_parse/locales/en-US.ftl @@ -93,6 +93,26 @@ parse_do_catch_syntax_removed = found removed `do catch` syntax parse_float_literal_requires_integer_part = float literals must have an integer part .suggestion = must have an integer part +parse_invalid_int_literal_width = invalid width `{$width}` for integer literal + .help = valid widths are 8, 16, 32, 64 and 128 + +parse_invalid_num_literal_base_prefix = invalid base prefix for number literal + .note = base prefixes (`0xff`, `0b1010`, `0o755`) are lowercase + .suggestion = try making the prefix lowercase + +parse_invalid_num_literal_suffix = invalid suffix `{$suffix}` for number literal + .label = invalid suffix `{$suffix}` + .help = the suffix must be one of the numeric types (`u32`, `isize`, `f32`, etc.) + +parse_invalid_float_literal_width = invalid width `{$width}` for float literal + .help = valid widths are 32 and 64 + +parse_invalid_float_literal_suffix = invalid suffix `{$suffix}` for float literal + .label = invalid suffix `{$suffix}` + .help = valid suffixes are `f32` and `f64` + +parse_int_literal_too_large = integer literal is too large + parse_missing_semicolon_before_array = expected `;`, found `[` .suggestion = consider adding `;` here @@ -219,6 +239,14 @@ parse_struct_literal_not_allowed_here = struct literals are not allowed here parse_invalid_interpolated_expression = invalid interpolated expression +parse_hexadecimal_float_literal_not_supported = hexadecimal float literal is not supported +parse_octal_float_literal_not_supported = octal float literal is not supported +parse_binary_float_literal_not_supported = binary float literal is not supported +parse_not_supported = not supported + +parse_invalid_literal_suffix = suffixes on {$kind} literals are invalid + .label = invalid suffix `{$suffix}` + parse_invalid_literal_suffix_on_tuple_index = suffixes on a tuple index are invalid .label = invalid suffix `{$suffix}` .tuple_exception_line_1 = `{$suffix}` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 63bf864f2a8..c746a870964 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -2,13 +2,14 @@ use std::borrow::Cow; use rustc_ast::token::Token; use rustc_ast::{Path, Visibility}; -use rustc_errors::{fluent, AddToDiagnostic, Applicability, EmissionGuarantee, IntoDiagnostic}; +use rustc_errors::{AddToDiagnostic, Applicability, EmissionGuarantee, IntoDiagnostic}; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_session::errors::ExprParenthesesNeeded; use rustc_span::edition::{Edition, LATEST_STABLE_EDITION}; use rustc_span::symbol::Ident; use rustc_span::{Span, Symbol}; +use crate::fluent_generated as fluent; use crate::parser::TokenDescription; #[derive(Diagnostic)] @@ -78,7 +79,7 @@ pub(crate) struct IncorrectSemicolon<'a> { #[diag(parse_incorrect_use_of_await)] pub(crate) struct IncorrectUseOfAwait { #[primary_span] - #[suggestion(parentheses_suggestion, code = "", applicability = "machine-applicable")] + #[suggestion(parse_parentheses_suggestion, code = "", applicability = "machine-applicable")] pub span: Span, } @@ -87,7 +88,7 @@ pub(crate) struct IncorrectUseOfAwait { pub(crate) struct IncorrectAwait { #[primary_span] pub span: Span, - #[suggestion(postfix_suggestion, code = "{expr}.await{question_mark}")] + #[suggestion(parse_postfix_suggestion, code = "{expr}.await{question_mark}")] pub sugg_span: (Span, Applicability), pub expr: String, pub question_mark: &'static str, @@ -140,7 +141,7 @@ pub(crate) struct InvalidComparisonOperator { #[derive(Subdiagnostic)] pub(crate) enum InvalidComparisonOperatorSub { #[suggestion( - use_instead, + parse_use_instead, style = "short", applicability = "machine-applicable", code = "{correct}" @@ -151,7 +152,7 @@ pub(crate) enum InvalidComparisonOperatorSub { invalid: String, correct: String, }, - #[label(spaceship_operator_invalid)] + #[label(parse_spaceship_operator_invalid)] Spaceship(#[primary_span] Span), } @@ -169,14 +170,14 @@ pub(crate) struct InvalidLogicalOperator { #[derive(Subdiagnostic)] pub(crate) enum InvalidLogicalOperatorSub { #[suggestion( - use_amp_amp_for_conjunction, + parse_use_amp_amp_for_conjunction, style = "short", applicability = "machine-applicable", code = "&&" )] Conjunction(#[primary_span] Span), #[suggestion( - use_pipe_pipe_for_disjunction, + parse_use_pipe_pipe_for_disjunction, style = "short", applicability = "machine-applicable", code = "||" @@ -262,14 +263,14 @@ pub(crate) struct UnexpectedTokenAfterLabel { #[primary_span] #[label(parse_unexpected_token_after_label)] pub span: Span, - #[suggestion(suggestion_remove_label, style = "verbose", code = "")] + #[suggestion(parse_suggestion_remove_label, style = "verbose", code = "")] pub remove_label: Option<Span>, #[subdiagnostic] pub enclose_in_block: Option<UnexpectedTokenAfterLabelSugg>, } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion_enclose_in_block, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion_enclose_in_block, applicability = "machine-applicable")] pub(crate) struct UnexpectedTokenAfterLabelSugg { #[suggestion_part(code = "{{ ")] pub left: Span, @@ -347,9 +348,9 @@ pub(crate) struct IfExpressionMissingThenBlock { #[derive(Subdiagnostic)] pub(crate) enum IfExpressionMissingThenBlockSub { - #[help(condition_possibly_unfinished)] + #[help(parse_condition_possibly_unfinished)] UnfinishedCondition(#[primary_span] Span), - #[help(add_then_block)] + #[help(parse_add_then_block)] AddThenBlock(#[primary_span] Span), } @@ -364,9 +365,9 @@ pub(crate) struct IfExpressionLetSomeSub { #[diag(parse_if_expression_missing_condition)] pub(crate) struct IfExpressionMissingCondition { #[primary_span] - #[label(condition_label)] + #[label(parse_condition_label)] pub if_span: Span, - #[label(block_label)] + #[label(parse_block_label)] pub block_span: Span, } @@ -404,10 +405,10 @@ pub(crate) struct OuterAttributeNotAllowedOnIfElse { #[primary_span] pub last: Span, - #[label(branch_label)] + #[label(parse_branch_label)] pub branch_span: Span, - #[label(ctx_label)] + #[label(parse_ctx_label)] pub ctx_span: Span, pub ctx: String, @@ -427,9 +428,14 @@ pub(crate) struct MissingInInForLoop { #[derive(Subdiagnostic)] pub(crate) enum MissingInInForLoopSub { // Has been misleading, at least in the past (closed Issue #48492), thus maybe-incorrect - #[suggestion(use_in_not_of, style = "short", applicability = "maybe-incorrect", code = "in")] + #[suggestion( + parse_use_in_not_of, + style = "short", + applicability = "maybe-incorrect", + code = "in" + )] InNotOf(#[primary_span] Span), - #[suggestion(add_in, style = "short", applicability = "maybe-incorrect", code = " in ")] + #[suggestion(parse_add_in, style = "short", applicability = "maybe-incorrect", code = " in ")] AddIn(#[primary_span] Span), } @@ -484,8 +490,8 @@ pub(crate) struct EqFieldInit { #[diag(parse_dotdotdot)] pub(crate) struct DotDotDot { #[primary_span] - #[suggestion(suggest_exclusive_range, applicability = "maybe-incorrect", code = "..")] - #[suggestion(suggest_inclusive_range, applicability = "maybe-incorrect", code = "..=")] + #[suggestion(parse_suggest_exclusive_range, applicability = "maybe-incorrect", code = "..")] + #[suggestion(parse_suggest_inclusive_range, applicability = "maybe-incorrect", code = "..=")] pub span: Span, } @@ -525,10 +531,10 @@ pub(crate) struct UseEmptyBlockNotSemi { #[diag(parse_comparison_interpreted_as_generic)] pub(crate) struct ComparisonInterpretedAsGeneric { #[primary_span] - #[label(label_comparison)] + #[label(parse_label_comparison)] pub comparison: Span, pub r#type: Path, - #[label(label_args)] + #[label(parse_label_args)] pub args: Span, #[subdiagnostic] pub suggestion: ComparisonOrShiftInterpretedAsGenericSugg, @@ -538,17 +544,17 @@ pub(crate) struct ComparisonInterpretedAsGeneric { #[diag(parse_shift_interpreted_as_generic)] pub(crate) struct ShiftInterpretedAsGeneric { #[primary_span] - #[label(label_comparison)] + #[label(parse_label_comparison)] pub shift: Span, pub r#type: Path, - #[label(label_args)] + #[label(parse_label_args)] pub args: Span, #[subdiagnostic] pub suggestion: ComparisonOrShiftInterpretedAsGenericSugg, } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct ComparisonOrShiftInterpretedAsGenericSugg { #[suggestion_part(code = "(")] pub left: Span, @@ -574,7 +580,7 @@ pub(crate) struct LeadingPlusNotSupported { #[label] pub span: Span, #[suggestion( - suggestion_remove_plus, + parse_suggestion_remove_plus, style = "verbose", code = "", applicability = "machine-applicable" @@ -597,7 +603,7 @@ pub(crate) struct ParenthesesWithStructFields { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion_braces_for_struct, applicability = "maybe-incorrect")] +#[multipart_suggestion(parse_suggestion_braces_for_struct, applicability = "maybe-incorrect")] pub(crate) struct BracesForStructLiteral { #[suggestion_part(code = " {{ ")] pub first: Span, @@ -606,7 +612,7 @@ pub(crate) struct BracesForStructLiteral { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion_no_fields_for_fn, applicability = "maybe-incorrect")] +#[multipart_suggestion(parse_suggestion_no_fields_for_fn, applicability = "maybe-incorrect")] pub(crate) struct NoFieldsForFnCall { #[suggestion_part(code = "")] pub fields: Vec<Span>, @@ -643,7 +649,7 @@ pub(crate) struct ArrayBracketsInsteadOfSpaces { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "maybe-incorrect")] +#[multipart_suggestion(parse_suggestion, applicability = "maybe-incorrect")] pub(crate) struct ArrayBracketsInsteadOfSpacesSugg { #[suggestion_part(code = "[")] pub left: Span, @@ -655,9 +661,9 @@ pub(crate) struct ArrayBracketsInsteadOfSpacesSugg { #[diag(parse_match_arm_body_without_braces)] pub(crate) struct MatchArmBodyWithoutBraces { #[primary_span] - #[label(label_statements)] + #[label(parse_label_statements)] pub statements: Span, - #[label(label_arrow)] + #[label(parse_label_arrow)] pub arrow: Span, pub num_statements: usize, #[subdiagnostic] @@ -670,7 +676,7 @@ pub(crate) struct MatchArmBodyWithoutBraces { pub(crate) struct InclusiveRangeExtraEquals { #[primary_span] #[suggestion( - suggestion_remove_eq, + parse_suggestion_remove_eq, style = "short", code = "..=", applicability = "maybe-incorrect" @@ -695,7 +701,7 @@ pub(crate) struct InclusiveRangeMatchArrow { pub(crate) struct InclusiveRangeNoEnd { #[primary_span] #[suggestion( - suggestion_open_range, + parse_suggestion_open_range, code = "..", applicability = "machine-applicable", style = "short" @@ -705,7 +711,7 @@ pub(crate) struct InclusiveRangeNoEnd { #[derive(Subdiagnostic)] pub(crate) enum MatchArmBodyWithoutBracesSugg { - #[multipart_suggestion(suggestion_add_braces, applicability = "machine-applicable")] + #[multipart_suggestion(parse_suggestion_add_braces, applicability = "machine-applicable")] AddBraces { #[suggestion_part(code = "{{ ")] left: Span, @@ -713,7 +719,7 @@ pub(crate) enum MatchArmBodyWithoutBracesSugg { right: Span, }, #[suggestion( - suggestion_use_comma_not_semicolon, + parse_suggestion_use_comma_not_semicolon, code = ",", applicability = "machine-applicable" )] @@ -733,7 +739,7 @@ pub(crate) struct StructLiteralNotAllowedHere { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct StructLiteralNotAllowedHereSugg { #[suggestion_part(code = "(")] pub left: Span, @@ -755,9 +761,9 @@ pub(crate) struct InvalidLiteralSuffixOnTupleIndex { #[label] pub span: Span, pub suffix: Symbol, - #[help(tuple_exception_line_1)] - #[help(tuple_exception_line_2)] - #[help(tuple_exception_line_3)] + #[help(parse_tuple_exception_line_1)] + #[help(parse_tuple_exception_line_2)] + #[help(parse_tuple_exception_line_3)] pub exception: Option<()>, } @@ -775,11 +781,11 @@ pub(crate) struct MismatchedClosingDelimiter { #[primary_span] pub spans: Vec<Span>, pub delimiter: String, - #[label(label_unmatched)] + #[label(parse_label_unmatched)] pub unmatched: Span, - #[label(label_opening_candidate)] + #[label(parse_label_opening_candidate)] pub opening_candidate: Option<Span>, - #[label(label_unclosed)] + #[label(parse_label_unclosed)] pub unclosed: Option<Span>, } @@ -930,7 +936,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for ExpectedIdentifier { self, handler: &'a rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'a, G> { - let token_descr = super::parser::TokenDescription::from_token(&self.token); + let token_descr = TokenDescription::from_token(&self.token); let mut diag = handler.struct_diagnostic(match token_descr { Some(TokenDescription::ReservedIdentifier) => { @@ -976,7 +982,7 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for ExpectedSemi { self, handler: &'a rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'a, G> { - let token_descr = super::parser::TokenDescription::from_token(&self.token); + let token_descr = TokenDescription::from_token(&self.token); let mut diag = handler.struct_diagnostic(match token_descr { Some(TokenDescription::ReservedIdentifier) => { @@ -1025,7 +1031,7 @@ pub(crate) struct StructLiteralBodyWithoutPath { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "has-placeholders")] +#[multipart_suggestion(parse_suggestion, applicability = "has-placeholders")] pub(crate) struct StructLiteralBodyWithoutPathSugg { #[suggestion_part(code = "{{ SomeStruct ")] pub before: Span, @@ -1043,7 +1049,7 @@ pub(crate) struct StructLiteralNeedingParens { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct StructLiteralNeedingParensSugg { #[suggestion_part(code = "(")] pub before: Span, @@ -1070,7 +1076,7 @@ pub(crate) struct GenericParamsWithoutAngleBrackets { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct GenericParamsWithoutAngleBracketsSugg { #[suggestion_part(code = "<")] pub left: Span, @@ -1091,7 +1097,7 @@ pub(crate) struct ComparisonOperatorsCannotBeChained { )] pub suggest_turbofish: Option<Span>, #[help(parse_sugg_turbofish_syntax)] - #[help(sugg_parentheses_for_function_args)] + #[help(parse_sugg_parentheses_for_function_args)] pub help_turbofish: Option<()>, #[subdiagnostic] pub chaining_sugg: Option<ComparisonOperatorsCannotBeChainedSugg>, @@ -1100,7 +1106,7 @@ pub(crate) struct ComparisonOperatorsCannotBeChained { #[derive(Subdiagnostic)] pub(crate) enum ComparisonOperatorsCannotBeChainedSugg { #[suggestion( - sugg_split_comparison, + parse_sugg_split_comparison, style = "verbose", code = " && {middle_term}", applicability = "maybe-incorrect" @@ -1110,7 +1116,7 @@ pub(crate) enum ComparisonOperatorsCannotBeChainedSugg { span: Span, middle_term: String, }, - #[multipart_suggestion(sugg_parenthesize, applicability = "maybe-incorrect")] + #[multipart_suggestion(parse_sugg_parenthesize, applicability = "maybe-incorrect")] Parenthesize { #[suggestion_part(code = "(")] left: Span, @@ -1130,7 +1136,7 @@ pub(crate) struct QuestionMarkInType { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct QuestionMarkInTypeSugg { #[suggestion_part(code = "Option<")] pub left: Span, @@ -1148,7 +1154,7 @@ pub(crate) struct ParenthesesInForHead { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct ParenthesesInForHeadSugg { #[suggestion_part(code = "{left_snippet}")] pub left: Span, @@ -1208,7 +1214,7 @@ pub(crate) struct ConstGenericWithoutBraces { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct ConstGenericWithoutBracesSugg { #[suggestion_part(code = "{{ ")] pub left: Span, @@ -1228,7 +1234,7 @@ pub(crate) struct UnexpectedConstParamDeclaration { #[derive(Subdiagnostic)] pub(crate) enum UnexpectedConstParamDeclarationSugg { - #[multipart_suggestion(suggestion, applicability = "machine-applicable")] + #[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] AddParam { #[suggestion_part(code = "<{snippet}>")] impl_generics: Span, @@ -1237,7 +1243,7 @@ pub(crate) enum UnexpectedConstParamDeclarationSugg { snippet: String, ident: String, }, - #[multipart_suggestion(suggestion, applicability = "machine-applicable")] + #[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] AppendParam { #[suggestion_part(code = ", {snippet}")] impl_generics_end: Span, @@ -1284,7 +1290,7 @@ pub(crate) struct FnPtrWithGenerics { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "maybe-incorrect")] +#[multipart_suggestion(parse_suggestion, applicability = "maybe-incorrect")] pub(crate) struct FnPtrWithGenericsSugg { #[suggestion_part(code = "{snippet}")] pub left: Span, @@ -1325,16 +1331,16 @@ pub(crate) struct WhereClauseBeforeTupleStructBody { #[primary_span] #[label] pub span: Span, - #[label(name_label)] + #[label(parse_name_label)] pub name: Span, - #[label(body_label)] + #[label(parse_body_label)] pub body: Span, #[subdiagnostic] pub sugg: Option<WhereClauseBeforeTupleStructBodySugg>, } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct WhereClauseBeforeTupleStructBodySugg { #[suggestion_part(code = "{snippet}")] pub left: Span, @@ -1429,13 +1435,13 @@ pub(crate) enum MissingKeywordForItemDefinition { #[derive(Subdiagnostic)] pub(crate) enum AmbiguousMissingKwForItemSub { - #[suggestion(suggestion, applicability = "maybe-incorrect", code = "{snippet}!")] + #[suggestion(parse_suggestion, applicability = "maybe-incorrect", code = "{snippet}!")] SuggestMacro { #[primary_span] span: Span, snippet: String, }, - #[help(help)] + #[help(parse_help)] HelpMacro, } @@ -1443,9 +1449,9 @@ pub(crate) enum AmbiguousMissingKwForItemSub { #[diag(parse_missing_trait_in_trait_impl)] pub(crate) struct MissingTraitInTraitImpl { #[primary_span] - #[suggestion(suggestion_add_trait, code = " Trait ", applicability = "has-placeholders")] + #[suggestion(parse_suggestion_add_trait, code = " Trait ", applicability = "has-placeholders")] pub span: Span, - #[suggestion(suggestion_remove_for, code = "", applicability = "maybe-incorrect")] + #[suggestion(parse_suggestion_remove_for, code = "", applicability = "maybe-incorrect")] pub for_span: Span, } @@ -1505,7 +1511,7 @@ pub(crate) struct ExternCrateNameWithDashes { } #[derive(Subdiagnostic)] -#[multipart_suggestion(suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct ExternCrateNameWithDashesSugg { #[suggestion_part(code = "_")] pub dashes: Vec<Span>, @@ -1726,10 +1732,15 @@ pub struct UnknownPrefix<'a> { #[derive(Subdiagnostic)] pub enum UnknownPrefixSugg { - #[suggestion(suggestion_br, code = "br", applicability = "maybe-incorrect", style = "verbose")] + #[suggestion( + parse_suggestion_br, + code = "br", + applicability = "maybe-incorrect", + style = "verbose" + )] UseBr(#[primary_span] Span), #[suggestion( - suggestion_whitespace, + parse_suggestion_whitespace, code = " ", applicability = "maybe-incorrect", style = "verbose" @@ -1761,7 +1772,7 @@ pub struct UnknownTokenStart { #[derive(Subdiagnostic)] pub enum TokenSubstitution { - #[suggestion(sugg_quotes, code = "{suggestion}", applicability = "maybe-incorrect")] + #[suggestion(parse_sugg_quotes, code = "{suggestion}", applicability = "maybe-incorrect")] DirectedQuotes { #[primary_span] span: Span, @@ -1769,7 +1780,7 @@ pub enum TokenSubstitution { ascii_str: &'static str, ascii_name: &'static str, }, - #[suggestion(sugg_other, code = "{suggestion}", applicability = "maybe-incorrect")] + #[suggestion(parse_sugg_other, code = "{suggestion}", applicability = "maybe-incorrect")] Other { #[primary_span] span: Span, @@ -1782,13 +1793,13 @@ pub enum TokenSubstitution { } #[derive(Subdiagnostic)] -#[note(note_repeats)] +#[note(parse_note_repeats)] pub struct UnknownTokenRepeat { pub repeats: usize, } #[derive(Subdiagnostic)] -#[help(help_null)] +#[help(parse_help_null)] pub struct UnknownTokenNull; #[derive(Diagnostic)] @@ -1805,7 +1816,7 @@ pub enum UnescapeError { EscapeOnlyChar { #[primary_span] span: Span, - #[suggestion(escape, applicability = "machine-applicable", code = "{escaped_sugg}")] + #[suggestion(parse_escape, applicability = "machine-applicable", code = "{escaped_sugg}")] char_span: Span, escaped_sugg: String, escaped_msg: String, @@ -1814,7 +1825,7 @@ pub enum UnescapeError { #[diag(parse_bare_cr)] BareCr { #[primary_span] - #[suggestion(escape, applicability = "machine-applicable", code = "\\r")] + #[suggestion(parse_escape, applicability = "machine-applicable", code = "\\r")] span: Span, double_quotes: bool, }, @@ -1854,7 +1865,12 @@ pub enum UnescapeError { #[primary_span] #[label] Span, - #[suggestion(terminate, code = "}}", applicability = "maybe-incorrect", style = "verbose")] + #[suggestion( + parse_terminate, + code = "}}", + applicability = "maybe-incorrect", + style = "verbose" + )] Span, ), #[diag(parse_no_brace_unicode_escape)] @@ -1918,20 +1934,24 @@ pub enum UnescapeError { #[derive(Subdiagnostic)] pub enum MoreThanOneCharSugg { - #[suggestion(consider_normalized, code = "{normalized}", applicability = "machine-applicable")] + #[suggestion( + parse_consider_normalized, + code = "{normalized}", + applicability = "machine-applicable" + )] NormalizedForm { #[primary_span] span: Span, ch: String, normalized: String, }, - #[suggestion(remove_non, code = "{ch}", applicability = "maybe-incorrect")] + #[suggestion(parse_remove_non, code = "{ch}", applicability = "maybe-incorrect")] RemoveNonPrinting { #[primary_span] span: Span, ch: String, }, - #[suggestion(use_double_quotes, code = "{sugg}", applicability = "machine-applicable")] + #[suggestion(parse_use_double_quotes, code = "{sugg}", applicability = "machine-applicable")] Quotes { #[primary_span] span: Span, @@ -1942,7 +1962,7 @@ pub enum MoreThanOneCharSugg { #[derive(Subdiagnostic)] pub enum MoreThanOneCharNote { - #[note(followed_by)] + #[note(parse_followed_by)] AllCombining { #[primary_span] span: Span, @@ -1950,7 +1970,7 @@ pub enum MoreThanOneCharNote { len: usize, escaped_marks: String, }, - #[note(non_printing)] + #[note(parse_non_printing)] NonPrinting { #[primary_span] span: Span, @@ -1960,13 +1980,13 @@ pub enum MoreThanOneCharNote { #[derive(Subdiagnostic)] pub enum NoBraceUnicodeSub { - #[suggestion(use_braces, code = "{suggestion}", applicability = "maybe-incorrect")] + #[suggestion(parse_use_braces, code = "{suggestion}", applicability = "maybe-incorrect")] Suggestion { #[primary_span] span: Span, suggestion: String, }, - #[help(format_of_unicode)] + #[help(parse_format_of_unicode)] Help, } @@ -2042,9 +2062,9 @@ pub(crate) struct PatternOnWrongSideOfAt { #[suggestion(code = "{whole_pat}", applicability = "machine-applicable")] pub whole_span: Span, pub whole_pat: String, - #[label(label_pattern)] + #[label(parse_label_pattern)] pub pattern: Span, - #[label(label_binding)] + #[label(parse_label_binding)] pub binding: Span, } @@ -2054,9 +2074,9 @@ pub(crate) struct PatternOnWrongSideOfAt { pub(crate) struct ExpectedBindingLeftOfAt { #[primary_span] pub whole_span: Span, - #[label(label_lhs)] + #[label(parse_label_lhs)] pub lhs: Span, - #[label(label_rhs)] + #[label(parse_label_rhs)] pub rhs: Span, } @@ -2236,7 +2256,7 @@ pub(crate) struct NegativeBoundsNotSupported { #[derive(Subdiagnostic)] #[suggestion( - suggestion, + parse_suggestion, style = "tool-only", code = "{fixed}", applicability = "machine-applicable" diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index bd998ed91d9..37449aaabed 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -200,16 +200,21 @@ impl<'a> StringReader<'a> { }; token::Literal(token::Lit { kind, symbol, suffix }) } - rustc_lexer::TokenKind::Lifetime { starts_with_number } => { + rustc_lexer::TokenKind::Lifetime { starts_with_number, contains_emoji } => { // Include the leading `'` in the real identifier, for macro // expansion purposes. See #12512 for the gory details of why // this is necessary. let lifetime_name = self.str_from(start); if starts_with_number { let span = self.mk_sp(start, self.pos); - let mut diag = self.sess.struct_err("lifetimes cannot start with a number"); + let mut diag = self.sess.struct_err("lifetimes or labels cannot start with a number"); diag.set_span(span); diag.stash(span, StashKey::LifetimeIsChar); + } else if contains_emoji { + let span = self.mk_sp(start, self.pos); + let mut diag = self.sess.struct_err("lifetimes or labels cannot contain emojis"); + diag.set_span(span); + diag.stash(span, StashKey::LifetimeContainsEmoji); } let ident = Symbol::intern(lifetime_name); token::Lifetime(ident) diff --git a/compiler/rustc_parse/src/lib.rs b/compiler/rustc_parse/src/lib.rs index b49a01d75ed..6f37e9758fc 100644 --- a/compiler/rustc_parse/src/lib.rs +++ b/compiler/rustc_parse/src/lib.rs @@ -19,6 +19,8 @@ use rustc_ast::{AttrItem, Attribute, MetaItem}; use rustc_ast_pretty::pprust; use rustc_data_structures::sync::Lrc; use rustc_errors::{Applicability, Diagnostic, FatalError, Level, PResult}; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; use rustc_session::parse::ParseSess; use rustc_span::{FileName, SourceFile, Span}; @@ -34,6 +36,8 @@ pub mod validate_attr; mod errors; +fluent_messages! { "../locales/en-US.ftl" } + // A bunch of utility functions of the form `parse_<thing>_from_<source>` // where <thing> includes crate, expr, item, stmt, tts, and one that // uses a HOF to parse anything, and <source> includes file and diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index 686454a8f18..e3e7c63e344 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -1,11 +1,15 @@ use crate::errors::{InvalidMetaItem, SuffixedLiteralInAttribute}; +use crate::fluent_generated as fluent; use super::{AttrWrapper, Capturing, FnParseMode, ForceCollect, Parser, PathStyle}; use rustc_ast as ast; use rustc_ast::attr; use rustc_ast::token::{self, Delimiter, Nonterminal}; -use rustc_errors::{error_code, fluent, Diagnostic, IntoDiagnostic, PResult}; +use rustc_errors::{error_code, Diagnostic, IntoDiagnostic, PResult}; use rustc_span::{sym, BytePos, Span}; +use std::convert::TryInto; +use thin_vec::ThinVec; +use tracing::debug; // Public for rustfmt usage #[derive(Debug)] @@ -65,10 +69,10 @@ impl<'a> Parser<'a> { token::CommentKind::Block => OuterAttributeType::DocBlockComment, }, ) { - err.note(fluent::note); + err.note(fluent::parse_note); err.span_suggestion_verbose( replacement_span, - fluent::suggestion, + fluent::parse_suggestion, "", rustc_errors::Applicability::MachineApplicable, ); @@ -172,10 +176,10 @@ impl<'a> Parser<'a> { Ok(Some(item)) => { // FIXME(#100717) err.set_arg("item", item.kind.descr()); - err.span_label(item.span, fluent::label_does_not_annotate_this); + err.span_label(item.span, fluent::parse_label_does_not_annotate_this); err.span_suggestion_verbose( replacement_span, - fluent::sugg_change_inner_to_outer, + fluent::parse_sugg_change_inner_to_outer, match attr_type { OuterAttributeType::Attribute => "", OuterAttributeType::DocBlockComment => "*", @@ -201,8 +205,8 @@ impl<'a> Parser<'a> { attr_sp, fluent::parse_inner_attr_not_permitted_after_outer_doc_comment, ); - diag.span_label(attr_sp, fluent::label_attr) - .span_label(prev_doc_comment_span, fluent::label_prev_doc_comment); + diag.span_label(attr_sp, fluent::parse_label_attr) + .span_label(prev_doc_comment_span, fluent::parse_label_prev_doc_comment); diag } Some(InnerAttrForbiddenReason::AfterOuterAttribute { prev_outer_attr_sp }) => { @@ -210,8 +214,8 @@ impl<'a> Parser<'a> { attr_sp, fluent::parse_inner_attr_not_permitted_after_outer_attr, ); - diag.span_label(attr_sp, fluent::label_attr) - .span_label(prev_outer_attr_sp, fluent::label_prev_attr); + diag.span_label(attr_sp, fluent::parse_label_attr) + .span_label(prev_outer_attr_sp, fluent::parse_label_prev_attr); diag } Some(InnerAttrForbiddenReason::InCodeBlock) | None => { @@ -346,9 +350,9 @@ impl<'a> Parser<'a> { } /// Matches `COMMASEP(meta_item_inner)`. - pub(crate) fn parse_meta_seq_top(&mut self) -> PResult<'a, Vec<ast::NestedMetaItem>> { + pub(crate) fn parse_meta_seq_top(&mut self) -> PResult<'a, ThinVec<ast::NestedMetaItem>> { // Presumably, the majority of the time there will only be one attr. - let mut nmis = Vec::with_capacity(1); + let mut nmis = ThinVec::with_capacity(1); while self.token.kind != token::Eof { nmis.push(self.parse_meta_item_inner()?); if !self.eat(&token::Comma) { diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 49eff41329c..d235b8a8176 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -18,6 +18,7 @@ use crate::errors::{ UseEqInstead, }; +use crate::fluent_generated as fluent; use crate::lexer::UnmatchedBrace; use crate::parser; use rustc_ast as ast; @@ -32,10 +33,9 @@ use rustc_ast::{ use rustc_ast_pretty::pprust; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{ - fluent, Applicability, DiagnosticBuilder, DiagnosticMessage, FatalError, Handler, MultiSpan, - PResult, + pluralize, Applicability, Diagnostic, DiagnosticBuilder, DiagnosticMessage, ErrorGuaranteed, + FatalError, Handler, IntoDiagnostic, MultiSpan, PResult, }; -use rustc_errors::{pluralize, Diagnostic, ErrorGuaranteed, IntoDiagnostic}; use rustc_session::errors::ExprParenthesesNeeded; use rustc_span::source_map::Spanned; use rustc_span::symbol::{kw, sym, Ident}; @@ -708,7 +708,7 @@ impl<'a> Parser<'a> { err.delay_as_bug(); self.restore_snapshot(snapshot); let mut tail = self.mk_block( - vec![self.mk_stmt_err(expr.span)], + thin_vec![self.mk_stmt_err(expr.span)], s, lo.to(self.prev_token.span), ); @@ -2175,7 +2175,7 @@ impl<'a> Parser<'a> { /// the parameters are *names* (so we don't emit errors about not being able to find `b` in /// the local scope), but if we find the same name multiple times, like in `fn foo(i8, i8)`, /// we deduplicate them to not complain about duplicated parameter names. - pub(super) fn deduplicate_recovered_params_names(&self, fn_inputs: &mut Vec<Param>) { + pub(super) fn deduplicate_recovered_params_names(&self, fn_inputs: &mut ThinVec<Param>) { let mut seen_inputs = FxHashSet::default(); for input in fn_inputs.iter_mut() { let opt_ident = if let (PatKind::Ident(_, ident, _), TyKind::Err) = @@ -2199,7 +2199,7 @@ impl<'a> Parser<'a> { /// like the user has forgotten them. pub fn handle_ambiguous_unbraced_const_arg( &mut self, - args: &mut Vec<AngleBracketedArg>, + args: &mut ThinVec<AngleBracketedArg>, ) -> PResult<'a, bool> { // If we haven't encountered a closing `>`, then the argument is malformed. // It's likely that the user has written a const expression without enclosing it diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index 2fc8ce98af0..12f65a436e3 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -31,6 +31,7 @@ use rustc_session::lint::BuiltinLintDiagnostics; use rustc_span::source_map::{self, Span, Spanned}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, Pos}; +use thin_vec::{thin_vec, ThinVec}; /// Possibly accepts an `token::Interpolated` expression (a pre-parsed expression /// dropped into the token stream, which happens while parsing the result of @@ -124,7 +125,7 @@ impl<'a> Parser<'a> { } /// Parses a sequence of expressions delimited by parentheses. - fn parse_paren_expr_seq(&mut self) -> PResult<'a, Vec<P<Expr>>> { + fn parse_paren_expr_seq(&mut self) -> PResult<'a, ThinVec<P<Expr>>> { self.parse_paren_comma_seq(|p| p.parse_expr_catch_underscore()).map(|(r, _)| r) } @@ -1450,7 +1451,7 @@ impl<'a> Parser<'a> { let close = &token::CloseDelim(close_delim); let kind = if self.eat(close) { // Empty vector - ExprKind::Array(Vec::new()) + ExprKind::Array(ThinVec::new()) } else { // Non-empty vector let first_expr = self.parse_expr()?; @@ -1468,7 +1469,7 @@ impl<'a> Parser<'a> { } else { // Vector with one element self.expect(close)?; - ExprKind::Array(vec![first_expr]) + ExprKind::Array(thin_vec![first_expr]) } }; let expr = self.mk_expr(lo.to(self.prev_token.span), kind); @@ -1600,7 +1601,7 @@ impl<'a> Parser<'a> { // Replace `'label: non_block_expr` with `'label: {non_block_expr}` in order to suppress future errors about `break 'label`. let stmt = self.mk_stmt(span, StmtKind::Expr(expr)); - let blk = self.mk_block(vec![stmt], BlockCheckMode::Default, span); + let blk = self.mk_block(thin_vec![stmt], BlockCheckMode::Default, span); self.mk_expr(span, ExprKind::Block(blk, label)) }); @@ -2095,7 +2096,7 @@ impl<'a> Parser<'a> { self.sess.gated_spans.gate(sym::closure_lifetime_binder, span); - ClosureBinder::For { span, generic_params: P::from_vec(lifetime_defs) } + ClosureBinder::For { span, generic_params: lifetime_defs } } else { ClosureBinder::NotPresent }; @@ -2187,7 +2188,7 @@ impl<'a> Parser<'a> { let arg_start = self.token.span.lo(); let inputs = if self.eat(&token::OrOr) { - Vec::new() + ThinVec::new() } else { self.expect(&token::BinOp(token::Or))?; let args = self @@ -2480,7 +2481,7 @@ impl<'a> Parser<'a> { self.sess .emit_err(errors::MissingExpressionInForLoop { span: expr.span.shrink_to_lo() }); let err_expr = self.mk_expr(expr.span, ExprKind::Err); - let block = self.mk_block(vec![], BlockCheckMode::Default, self.prev_token.span); + let block = self.mk_block(thin_vec![], BlockCheckMode::Default, self.prev_token.span); return Ok(self.mk_expr( lo.to(self.prev_token.span), ExprKind::ForLoop(pat, err_expr, block, opt_label), @@ -2565,7 +2566,7 @@ impl<'a> Parser<'a> { } let attrs = self.parse_inner_attributes()?; - let mut arms: Vec<Arm> = Vec::new(); + let mut arms = ThinVec::new(); while self.token != token::CloseDelim(Delimiter::Brace) { match self.parse_arm() { Ok(arm) => arms.push(arm), @@ -2934,8 +2935,8 @@ impl<'a> Parser<'a> { pth: ast::Path, recover: bool, close_delim: Delimiter, - ) -> PResult<'a, (Vec<ExprField>, ast::StructRest, bool)> { - let mut fields = Vec::new(); + ) -> PResult<'a, (ThinVec<ExprField>, ast::StructRest, bool)> { + let mut fields = ThinVec::new(); let mut base = ast::StructRest::None; let mut recover_async = false; @@ -3211,7 +3212,7 @@ impl<'a> Parser<'a> { ExprKind::Index(expr, idx) } - fn mk_call(&self, f: P<Expr>, args: Vec<P<Expr>>) -> ExprKind { + fn mk_call(&self, f: P<Expr>, args: ThinVec<P<Expr>>) -> ExprKind { ExprKind::Call(f, args) } diff --git a/compiler/rustc_parse/src/parser/generics.rs b/compiler/rustc_parse/src/parser/generics.rs index 23f49ec55a1..8d0f168e09d 100644 --- a/compiler/rustc_parse/src/parser/generics.rs +++ b/compiler/rustc_parse/src/parser/generics.rs @@ -14,10 +14,11 @@ use rustc_ast::{ use rustc_errors::{Applicability, PResult}; use rustc_span::symbol::{kw, Ident}; use rustc_span::Span; +use thin_vec::ThinVec; enum PredicateOrStructBody { Predicate(ast::WherePredicate), - StructBody(Vec<ast::FieldDef>), + StructBody(ThinVec<ast::FieldDef>), } impl<'a> Parser<'a> { @@ -121,8 +122,8 @@ impl<'a> Parser<'a> { /// Parses a (possibly empty) list of lifetime and type parameters, possibly including /// a trailing comma and erroneous trailing attributes. - pub(super) fn parse_generic_params(&mut self) -> PResult<'a, Vec<ast::GenericParam>> { - let mut params = Vec::new(); + pub(super) fn parse_generic_params(&mut self) -> PResult<'a, ThinVec<ast::GenericParam>> { + let mut params = ThinVec::new(); let mut done = false; while !done { let attrs = self.parse_outer_attributes()?; @@ -251,13 +252,13 @@ impl<'a> Parser<'a> { self.expect_gt()?; (params, span_lo.to(self.prev_token.span)) } else { - (vec![], self.prev_token.span.shrink_to_hi()) + (ThinVec::new(), self.prev_token.span.shrink_to_hi()) }; Ok(ast::Generics { params, where_clause: WhereClause { has_where_token: false, - predicates: Vec::new(), + predicates: ThinVec::new(), span: self.prev_token.span.shrink_to_hi(), }, span, @@ -277,17 +278,17 @@ impl<'a> Parser<'a> { &mut self, struct_name: Ident, body_insertion_point: Span, - ) -> PResult<'a, (WhereClause, Option<Vec<ast::FieldDef>>)> { + ) -> PResult<'a, (WhereClause, Option<ThinVec<ast::FieldDef>>)> { self.parse_where_clause_common(Some((struct_name, body_insertion_point))) } fn parse_where_clause_common( &mut self, struct_: Option<(Ident, Span)>, - ) -> PResult<'a, (WhereClause, Option<Vec<ast::FieldDef>>)> { + ) -> PResult<'a, (WhereClause, Option<ThinVec<ast::FieldDef>>)> { let mut where_clause = WhereClause { has_where_token: false, - predicates: Vec::new(), + predicates: ThinVec::new(), span: self.prev_token.span.shrink_to_hi(), }; let mut tuple_struct_body = None; diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index fd46a1292a8..c0aed6a3789 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -19,14 +19,14 @@ use rustc_errors::{ struct_span_err, Applicability, DiagnosticBuilder, ErrorGuaranteed, IntoDiagnostic, PResult, StashKey, }; +use rustc_span::edit_distance::edit_distance; use rustc_span::edition::Edition; -use rustc_span::lev_distance::lev_distance; use rustc_span::source_map::{self, Span}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::DUMMY_SP; use std::fmt::Write; use std::mem; -use thin_vec::ThinVec; +use thin_vec::{thin_vec, ThinVec}; impl<'a> Parser<'a> { /// Parses a source module as a crate. This is the main entry point for the parser. @@ -56,12 +56,12 @@ impl<'a> Parser<'a> { pub fn parse_mod( &mut self, term: &TokenKind, - ) -> PResult<'a, (AttrVec, Vec<P<Item>>, ModSpans)> { + ) -> PResult<'a, (AttrVec, ThinVec<P<Item>>, ModSpans)> { let lo = self.token.span; let attrs = self.parse_inner_attributes()?; let post_attr_lo = self.token.span; - let mut items = vec![]; + let mut items = ThinVec::new(); while let Some(item) = self.parse_item(ForceCollect::No)? { items.push(item); self.maybe_consume_incorrect_semicolon(&items); @@ -459,7 +459,8 @@ impl<'a> Parser<'a> { // Maybe the user misspelled `macro_rules` (issue #91227) if self.token.is_ident() && path.segments.len() == 1 - && lev_distance("macro_rules", &path.segments[0].ident.to_string(), 3).is_some() + && edit_distance("macro_rules", &path.segments[0].ident.to_string(), 2) + .is_some() { err.span_suggestion( path.span, @@ -645,20 +646,20 @@ impl<'a> Parser<'a> { &mut self, attrs: &mut AttrVec, mut parse_item: impl FnMut(&mut Parser<'a>) -> PResult<'a, Option<Option<T>>>, - ) -> PResult<'a, Vec<T>> { + ) -> PResult<'a, ThinVec<T>> { let open_brace_span = self.token.span; // Recover `impl Ty;` instead of `impl Ty {}` if self.token == TokenKind::Semi { self.sess.emit_err(errors::UseEmptyBlockNotSemi { span: self.token.span }); self.bump(); - return Ok(vec![]); + return Ok(ThinVec::new()); } self.expect(&token::OpenDelim(Delimiter::Brace))?; attrs.extend(self.parse_inner_attributes()?); - let mut items = Vec::new(); + let mut items = ThinVec::new(); while !self.eat(&token::CloseDelim(Delimiter::Brace)) { if self.recover_doc_comment_before_brace() { continue; @@ -996,7 +997,7 @@ impl<'a> Parser<'a> { /// ```text /// USE_TREE_LIST = Ø | (USE_TREE `,`)* USE_TREE [`,`] /// ``` - fn parse_use_tree_list(&mut self) -> PResult<'a, Vec<(UseTree, ast::NodeId)>> { + fn parse_use_tree_list(&mut self) -> PResult<'a, ThinVec<(UseTree, ast::NodeId)>> { self.parse_delim_comma_seq(Delimiter::Brace, |p| { p.recover_diff_marker(); Ok((p.parse_use_tree()?, DUMMY_NODE_ID)) @@ -1287,7 +1288,7 @@ impl<'a> Parser<'a> { let (variants, _) = if self.token == TokenKind::Semi { self.sess.emit_err(errors::UseEmptyBlockNotSemi { span: self.token.span }); self.bump(); - (vec![], false) + (thin_vec![], false) } else { self.parse_delim_comma_seq(Delimiter::Brace, |p| p.parse_enum_variant()).map_err( |mut e| { @@ -1456,8 +1457,8 @@ impl<'a> Parser<'a> { adt_ty: &str, ident_span: Span, parsed_where: bool, - ) -> PResult<'a, (Vec<FieldDef>, /* recovered */ bool)> { - let mut fields = Vec::new(); + ) -> PResult<'a, (ThinVec<FieldDef>, /* recovered */ bool)> { + let mut fields = ThinVec::new(); let mut recovered = false; if self.eat(&token::OpenDelim(Delimiter::Brace)) { while self.token != token::CloseDelim(Delimiter::Brace) { @@ -1497,7 +1498,7 @@ impl<'a> Parser<'a> { Ok((fields, recovered)) } - pub(super) fn parse_tuple_struct_body(&mut self) -> PResult<'a, Vec<FieldDef>> { + pub(super) fn parse_tuple_struct_body(&mut self) -> PResult<'a, ThinVec<FieldDef>> { // This is the case where we find `struct Foo<T>(T) where T: Copy;` // Unit like structs are handled in parse_item_struct function self.parse_paren_comma_seq(|p| { @@ -2373,7 +2374,7 @@ impl<'a> Parser<'a> { } /// Parses the parameter list of a function, including the `(` and `)` delimiters. - pub(super) fn parse_fn_params(&mut self, req_name: ReqName) -> PResult<'a, Vec<Param>> { + pub(super) fn parse_fn_params(&mut self, req_name: ReqName) -> PResult<'a, ThinVec<Param>> { let mut first_param = true; // Parse the arguments, starting out with `self` being allowed... let (mut params, _) = self.parse_paren_comma_seq(|p| { diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index a74f408d774..fda9151478f 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -36,9 +36,10 @@ use rustc_errors::{ use rustc_session::parse::ParseSess; use rustc_span::source_map::{Span, DUMMY_SP}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; - use std::ops::Range; use std::{cmp, mem, slice}; +use thin_vec::ThinVec; +use tracing::debug; use crate::errors::{ DocCommentDoesNotDocumentAnything, IncorrectVisibilityRestriction, MismatchedClosingDelimiter, @@ -853,11 +854,11 @@ impl<'a> Parser<'a> { sep: SeqSep, expect: TokenExpectType, mut f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, - ) -> PResult<'a, (Vec<T>, bool /* trailing */, bool /* recovered */)> { + ) -> PResult<'a, (ThinVec<T>, bool /* trailing */, bool /* recovered */)> { let mut first = true; let mut recovered = false; let mut trailing = false; - let mut v = vec![]; + let mut v = ThinVec::new(); let unclosed_delims = !self.unclosed_delims.is_empty(); while !self.expect_any_with_type(kets, expect) { @@ -981,7 +982,11 @@ impl<'a> Parser<'a> { let initial_semicolon = self.token.span; while self.eat(&TokenKind::Semi) { - let _ = self.parse_stmt(ForceCollect::Yes)?; + let _ = + self.parse_stmt_without_recovery(false, ForceCollect::Yes).unwrap_or_else(|e| { + e.cancel(); + None + }); } expect_err.set_primary_message( @@ -1037,7 +1042,7 @@ impl<'a> Parser<'a> { ket: &TokenKind, sep: SeqSep, f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, - ) -> PResult<'a, (Vec<T>, bool, bool)> { + ) -> PResult<'a, (ThinVec<T>, bool, bool)> { self.parse_seq_to_before_tokens(&[ket], sep, TokenExpectType::Expect, f) } @@ -1049,7 +1054,7 @@ impl<'a> Parser<'a> { ket: &TokenKind, sep: SeqSep, f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, - ) -> PResult<'a, (Vec<T>, bool /* trailing */)> { + ) -> PResult<'a, (ThinVec<T>, bool /* trailing */)> { let (val, trailing, recovered) = self.parse_seq_to_before_end(ket, sep, f)?; if !recovered { self.eat(ket); @@ -1066,7 +1071,7 @@ impl<'a> Parser<'a> { ket: &TokenKind, sep: SeqSep, f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, - ) -> PResult<'a, (Vec<T>, bool)> { + ) -> PResult<'a, (ThinVec<T>, bool)> { self.expect(bra)?; self.parse_seq_to_end(ket, sep, f) } @@ -1075,7 +1080,7 @@ impl<'a> Parser<'a> { &mut self, delim: Delimiter, f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, - ) -> PResult<'a, (Vec<T>, bool)> { + ) -> PResult<'a, (ThinVec<T>, bool)> { self.parse_unspanned_seq( &token::OpenDelim(delim), &token::CloseDelim(delim), @@ -1087,7 +1092,7 @@ impl<'a> Parser<'a> { fn parse_paren_comma_seq<T>( &mut self, f: impl FnMut(&mut Parser<'a>) -> PResult<'a, T>, - ) -> PResult<'a, (Vec<T>, bool)> { + ) -> PResult<'a, (ThinVec<T>, bool)> { self.parse_delim_comma_seq(Delimiter::Parenthesis, f) } diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index b054dc59a0c..8e920f1c421 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -8,6 +8,7 @@ use crate::errors::{ TrailingVertNotAllowed, UnexpectedLifetimeInPattern, UnexpectedVertVertBeforeFunctionParam, UnexpectedVertVertInPattern, }; +use crate::fluent_generated as fluent; use crate::{maybe_recover_from_interpolated_ty_qpath, maybe_whole}; use rustc_ast::mut_visit::{noop_visit_pat, MutVisitor}; use rustc_ast::ptr::P; @@ -17,12 +18,11 @@ use rustc_ast::{ PatField, PatKind, Path, QSelf, RangeEnd, RangeSyntax, }; use rustc_ast_pretty::pprust; -use rustc_errors::{ - fluent, Applicability, DiagnosticBuilder, ErrorGuaranteed, IntoDiagnostic, PResult, -}; +use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed, IntoDiagnostic, PResult}; use rustc_session::errors::ExprParenthesesNeeded; use rustc_span::source_map::{respan, Span, Spanned}; use rustc_span::symbol::{kw, sym, Ident}; +use thin_vec::{thin_vec, ThinVec}; #[derive(PartialEq, Copy, Clone)] pub enum Expected { @@ -155,7 +155,7 @@ impl<'a> Parser<'a> { // If there was a leading vert, treat this as an or-pattern. This improves // diagnostics. let span = leading_vert_span.to(self.prev_token.span); - return Ok((self.mk_pat(span, PatKind::Or(vec![first_pat])), trailing_vert)); + return Ok((self.mk_pat(span, PatKind::Or(thin_vec![first_pat])), trailing_vert)); } return Ok((first_pat, trailing_vert)); @@ -163,7 +163,7 @@ impl<'a> Parser<'a> { // Parse the patterns `p_1 | ... | p_n` where `n > 0`. let lo = leading_vert_span.unwrap_or(first_pat.span); - let mut pats = vec![first_pat]; + let mut pats = thin_vec![first_pat]; loop { match self.eat_or_separator(Some(lo)) { EatOrResult::AteOr => {} @@ -853,7 +853,7 @@ impl<'a> Parser<'a> { e.span_label(path.span, "while parsing the fields for this pattern"); e.emit(); self.recover_stmt(); - (vec![], true) + (ThinVec::new(), true) }); self.bump(); Ok(PatKind::Struct(qself, path, fields, etc)) @@ -932,8 +932,8 @@ impl<'a> Parser<'a> { } /// Parses the fields of a struct-like pattern. - fn parse_pat_fields(&mut self) -> PResult<'a, (Vec<PatField>, bool)> { - let mut fields = Vec::new(); + fn parse_pat_fields(&mut self) -> PResult<'a, (ThinVec<PatField>, bool)> { + let mut fields = ThinVec::new(); let mut etc = false; let mut ate_comma = true; let mut delayed_err: Option<DiagnosticBuilder<'a, ErrorGuaranteed>> = None; diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index 49959a8981c..99416c3b204 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -332,7 +332,7 @@ impl<'a> Parser<'a> { style: PathStyle, lo: Span, ty_generics: Option<&Generics>, - ) -> PResult<'a, Vec<AngleBracketedArg>> { + ) -> PResult<'a, ThinVec<AngleBracketedArg>> { // We need to detect whether there are extra leading left angle brackets and produce an // appropriate error and suggestion. This cannot be implemented by looking ahead at // upcoming tokens for a matching `>` character - if there are unmatched `<` tokens @@ -472,8 +472,8 @@ impl<'a> Parser<'a> { pub(super) fn parse_angle_args( &mut self, ty_generics: Option<&Generics>, - ) -> PResult<'a, Vec<AngleBracketedArg>> { - let mut args = Vec::new(); + ) -> PResult<'a, ThinVec<AngleBracketedArg>> { + let mut args = ThinVec::new(); while let Some(arg) = self.parse_angle_arg(ty_generics)? { args.push(arg); if !self.eat(&token::Comma) { diff --git a/compiler/rustc_parse/src/parser/stmt.rs b/compiler/rustc_parse/src/parser/stmt.rs index 3afda5f69f0..8ef16ff43e1 100644 --- a/compiler/rustc_parse/src/parser/stmt.rs +++ b/compiler/rustc_parse/src/parser/stmt.rs @@ -20,8 +20,8 @@ use rustc_ast::{StmtKind, DUMMY_NODE_ID}; use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed, PResult}; use rustc_span::source_map::{BytePos, Span}; use rustc_span::symbol::{kw, sym}; - use std::mem; +use thin_vec::{thin_vec, ThinVec}; impl<'a> Parser<'a> { /// Parses a statement. This stops just before trailing semicolons on everything but items. @@ -544,7 +544,7 @@ impl<'a> Parser<'a> { s: BlockCheckMode, recover: AttemptLocalParseRecovery, ) -> PResult<'a, P<Block>> { - let mut stmts = vec![]; + let mut stmts = ThinVec::new(); let mut snapshot = None; while !self.eat(&token::CloseDelim(Delimiter::Brace)) { if self.token == token::Eof { @@ -662,7 +662,12 @@ impl<'a> Parser<'a> { Ok(Some(stmt)) } - pub(super) fn mk_block(&self, stmts: Vec<Stmt>, rules: BlockCheckMode, span: Span) -> P<Block> { + pub(super) fn mk_block( + &self, + stmts: ThinVec<Stmt>, + rules: BlockCheckMode, + span: Span, + ) -> P<Block> { P(Block { stmts, id: DUMMY_NODE_ID, @@ -682,6 +687,6 @@ impl<'a> Parser<'a> { } pub(super) fn mk_block_err(&self, span: Span) -> P<Block> { - self.mk_block(vec![self.mk_stmt_err(span)], BlockCheckMode::Default, span) + self.mk_block(thin_vec![self.mk_stmt_err(span)], BlockCheckMode::Default, span) } } diff --git a/compiler/rustc_parse/src/parser/ty.rs b/compiler/rustc_parse/src/parser/ty.rs index 4f4252b532e..989a2bdca6d 100644 --- a/compiler/rustc_parse/src/parser/ty.rs +++ b/compiler/rustc_parse/src/parser/ty.rs @@ -21,7 +21,7 @@ use rustc_errors::{Applicability, PResult}; use rustc_span::source_map::Span; use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::Symbol; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; /// Any `?` or `~const` modifiers that appear at the start of a bound. struct BoundModifiers { @@ -273,7 +273,7 @@ impl<'a> Parser<'a> { TyKind::Infer } else if self.check_fn_front_matter(false, Case::Sensitive) { // Function pointer type - self.parse_ty_bare_fn(lo, Vec::new(), None, recover_return_sign)? + self.parse_ty_bare_fn(lo, ThinVec::new(), None, recover_return_sign)? } else if self.check_keyword(kw::For) { // Function pointer type or bound list (trait object type) starting with a poly-trait. // `for<'lt> [unsafe] [extern "ABI"] fn (&'lt S) -> T` @@ -352,7 +352,7 @@ impl<'a> Parser<'a> { match ty.kind { // `(TY_BOUND_NOPAREN) + BOUND + ...`. TyKind::Path(None, path) if maybe_bounds => { - self.parse_remaining_bounds_path(Vec::new(), path, lo, true) + self.parse_remaining_bounds_path(ThinVec::new(), path, lo, true) } TyKind::TraitObject(bounds, TraitObjectSyntax::None) if maybe_bounds && bounds.len() == 1 && !trailing_plus => @@ -378,7 +378,7 @@ impl<'a> Parser<'a> { fn parse_remaining_bounds_path( &mut self, - generic_params: Vec<GenericParam>, + generic_params: ThinVec<GenericParam>, path: ast::Path, lo: Span, parse_plus: bool, @@ -511,7 +511,7 @@ impl<'a> Parser<'a> { fn parse_ty_bare_fn( &mut self, lo: Span, - mut params: Vec<GenericParam>, + mut params: ThinVec<GenericParam>, param_insertion_point: Option<Span>, recover_return_sign: RecoverReturnSign, ) -> PResult<'a, TyKind> { @@ -545,13 +545,13 @@ impl<'a> Parser<'a> { fn recover_fn_ptr_with_generics( &mut self, lo: Span, - params: &mut Vec<GenericParam>, + params: &mut ThinVec<GenericParam>, param_insertion_point: Option<Span>, ) -> PResult<'a, ()> { let generics = self.parse_generics()?; let arity = generics.params.len(); - let mut lifetimes: Vec<_> = generics + let mut lifetimes: ThinVec<_> = generics .params .into_iter() .filter(|param| matches!(param.kind, ast::GenericParamKind::Lifetime)) @@ -662,7 +662,7 @@ impl<'a> Parser<'a> { }))) } else if allow_plus == AllowPlus::Yes && self.check_plus() { // `Trait1 + Trait2 + 'a` - self.parse_remaining_bounds_path(Vec::new(), path, lo, true) + self.parse_remaining_bounds_path(ThinVec::new(), path, lo, true) } else { // Just a type path. Ok(TyKind::Path(None, path)) @@ -993,7 +993,7 @@ impl<'a> Parser<'a> { } /// Optionally parses `for<$generic_params>`. - pub(super) fn parse_late_bound_lifetime_defs(&mut self) -> PResult<'a, Vec<GenericParam>> { + pub(super) fn parse_late_bound_lifetime_defs(&mut self) -> PResult<'a, ThinVec<GenericParam>> { if self.eat_keyword(kw::For) { self.expect_lt()?; let params = self.parse_generic_params()?; @@ -1002,7 +1002,7 @@ impl<'a> Parser<'a> { // parameters, and the lifetime parameters must not have bounds. Ok(params) } else { - Ok(Vec::new()) + Ok(ThinVec::new()) } } @@ -1012,7 +1012,7 @@ impl<'a> Parser<'a> { fn recover_fn_trait_with_lifetime_params( &mut self, fn_path: &mut ast::Path, - lifetime_defs: &mut Vec<GenericParam>, + lifetime_defs: &mut ThinVec<GenericParam>, ) -> PResult<'a, ()> { let fn_path_segment = fn_path.segments.last_mut().unwrap(); let generic_args = if let Some(p_args) = &fn_path_segment.args { @@ -1046,7 +1046,7 @@ impl<'a> Parser<'a> { // Parse `(T, U) -> R`. let inputs_lo = self.token.span; - let inputs: Vec<_> = + let inputs: ThinVec<_> = self.parse_fn_params(|_| false)?.into_iter().map(|input| input.ty).collect(); let inputs_span = inputs_lo.to(self.prev_token.span); let output = self.parse_ret_ty(AllowPlus::No, RecoverQPath::No, RecoverReturnSign::No)?; @@ -1072,7 +1072,7 @@ impl<'a> Parser<'a> { kind: ast::GenericParamKind::Lifetime, colon_span: None, }) - .collect::<Vec<GenericParam>>(); + .collect::<ThinVec<GenericParam>>(); lifetime_defs.append(&mut generic_params); let generic_args_span = generic_args.span(); diff --git a/compiler/rustc_error_messages/locales/en-US/passes.ftl b/compiler/rustc_passes/locales/en-US.ftl index 0c7e02912d4..8fe8472b216 100644 --- a/compiler/rustc_error_messages/locales/en-US/passes.ftl +++ b/compiler/rustc_passes/locales/en-US.ftl @@ -407,10 +407,10 @@ passes_duplicate_diagnostic_item = passes_duplicate_diagnostic_item_in_crate = duplicate diagnostic item in crate `{$crate_name}`: `{$name}`. + .note = the diagnostic item is first defined in crate `{$orig_crate_name}`. passes_diagnostic_item_first_defined = the diagnostic item is first defined here - .note = the diagnostic item is first defined in crate `{$orig_crate_name}`. passes_abi = abi: {$abi} diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 8ad4a5ef958..bb09dcbdd69 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -4,10 +4,10 @@ //! conflicts between multiple such attributes attached to the same //! item. -use crate::errors; +use crate::{errors, fluent_generated as fluent}; use rustc_ast::{ast, AttrStyle, Attribute, LitKind, MetaItemKind, MetaItemLit, NestedMetaItem}; use rustc_data_structures::fx::FxHashMap; -use rustc_errors::{fluent, Applicability, IntoDiagnosticArg, MultiSpan}; +use rustc_errors::{Applicability, IntoDiagnosticArg, MultiSpan}; use rustc_expand::base::resolve_path; use rustc_feature::{AttributeDuplicates, AttributeType, BuiltinAttribute, BUILTIN_ATTRIBUTE_MAP}; use rustc_hir as hir; @@ -935,15 +935,15 @@ impl CheckAttrVisitor<'_> { src.insert(1, '!'); err.span_suggestion_verbose( attr.span, - fluent::suggestion, + fluent::passes_suggestion, src, Applicability::MaybeIncorrect, ); } else { - err.span_help(attr.span, fluent::help); + err.span_help(attr.span, fluent::passes_help); } } - err.note(fluent::note); + err.note(fluent::passes_note); err }, ); diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 76c59d984df..e2f858a34b6 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -259,7 +259,7 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { /// for discussion). fn should_ignore_item(&mut self, def_id: DefId) -> bool { if let Some(impl_of) = self.tcx.impl_of_method(def_id) { - if !self.tcx.has_attr(impl_of, sym::automatically_derived) { + if !self.tcx.is_automatically_derived(impl_of) { return false; } @@ -395,6 +395,9 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { self.mark_as_used_if_union(*adt, fields); } } + hir::ExprKind::Closure(cls) => { + self.insert_def_id(cls.def_id.to_def_id()); + } _ => (), } @@ -691,7 +694,7 @@ impl<'tcx> DeadVisitor<'tcx> { }) .collect(); - let descr = tcx.def_kind(first_id).descr(first_id.to_def_id()); + let descr = tcx.def_descr(first_id.to_def_id()); let num = dead_codes.len(); let multiple = num > 6; let name_list = names.into(); @@ -703,7 +706,7 @@ impl<'tcx> DeadVisitor<'tcx> { }; let parent_info = if let Some(parent_item) = parent_item { - let parent_descr = tcx.def_kind(parent_item).descr(parent_item.to_def_id()); + let parent_descr = tcx.def_descr(parent_item.to_def_id()); Some(ParentInfo { num, descr, diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index 68b098e3457..82fc3eeff94 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -3,6 +3,7 @@ use std::{ path::{Path, PathBuf}, }; +use crate::fluent_generated as fluent; use rustc_ast::Label; use rustc_errors::{ error_code, Applicability, DiagnosticSymbolList, ErrorGuaranteed, IntoDiagnostic, MultiSpan, @@ -261,7 +262,7 @@ pub struct DocKeywordConflict { pub struct DocInlineOnlyUse { #[label] pub attr_span: Span, - #[label(not_a_use_item_label)] + #[label(passes_not_a_use_item_label)] pub item_span: Option<Span>, } @@ -300,7 +301,7 @@ pub struct DocTestUnknownAny { #[derive(LintDiagnostic)] #[diag(passes_doc_test_unknown_spotlight)] #[note] -#[note(no_op_note)] +#[note(passes_no_op_note)] pub struct DocTestUnknownSpotlight { pub path: String, #[suggestion(style = "short", applicability = "machine-applicable", code = "notable_trait")] @@ -573,9 +574,9 @@ pub struct DebugVisualizerPlacement { #[derive(Diagnostic)] #[diag(passes_debug_visualizer_invalid)] -#[note(note_1)] -#[note(note_2)] -#[note(note_3)] +#[note(passes_note_1)] +#[note(passes_note_2)] +#[note(passes_note_3)] pub struct DebugVisualizerInvalid { #[primary_span] pub span: Span, @@ -782,7 +783,7 @@ impl IntoDiagnostic<'_> for InvalidAttrAtCrateLevel { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::passes_invalid_attr_at_crate_level); + let mut diag = handler.struct_err(fluent::passes_invalid_attr_at_crate_level); diag.set_span(self.span); diag.set_arg("name", self.name); // Only emit an error with a suggestion if we can create a string out @@ -791,7 +792,7 @@ impl IntoDiagnostic<'_> for InvalidAttrAtCrateLevel { let replacement = src.replace("#!", "#"); diag.span_suggestion_verbose( self.span, - rustc_errors::fluent::suggestion, + fluent::passes_suggestion, replacement, rustc_errors::Applicability::MachineApplicable, ); @@ -917,17 +918,17 @@ impl<'a> IntoDiagnostic<'_> for BreakNonLoop<'a> { ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::passes_break_non_loop, + fluent::passes_break_non_loop, error_code!(E0571), ); diag.set_arg("kind", self.kind); - diag.span_label(self.span, rustc_errors::fluent::label); + diag.span_label(self.span, fluent::passes_label); if let Some(head) = self.head { - diag.span_label(head, rustc_errors::fluent::label2); + diag.span_label(head, fluent::passes_label2); } diag.span_suggestion( self.span, - rustc_errors::fluent::suggestion, + fluent::passes_suggestion, self.suggestion, Applicability::MaybeIncorrect, ); @@ -945,7 +946,7 @@ impl<'a> IntoDiagnostic<'_> for BreakNonLoop<'a> { _ => { diag.span_suggestion( self.break_expr_span, - rustc_errors::fluent::break_expr_suggestion, + fluent::passes_break_expr_suggestion, label.ident, Applicability::MaybeIncorrect, ); @@ -962,7 +963,7 @@ pub struct ContinueLabeledBlock { #[primary_span] #[label] pub span: Span, - #[label(block_label)] + #[label(passes_block_label)] pub block_span: Span, } @@ -972,7 +973,7 @@ pub struct BreakInsideClosure<'a> { #[primary_span] #[label] pub span: Span, - #[label(closure_label)] + #[label(passes_closure_label)] pub closure_span: Span, pub name: &'a str, } @@ -983,7 +984,7 @@ pub struct BreakInsideAsyncBlock<'a> { #[primary_span] #[label] pub span: Span, - #[label(async_block_label)] + #[label(passes_async_block_label)] pub closure_span: Span, pub name: &'a str, } @@ -1056,14 +1057,14 @@ impl IntoDiagnostic<'_> for NakedFunctionsAsmBlock { ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::passes_naked_functions_asm_block, + fluent::passes_naked_functions_asm_block, error_code!(E0787), ); for span in self.multiple_asms.iter() { - diag.span_label(*span, rustc_errors::fluent::label_multiple_asm); + diag.span_label(*span, fluent::passes_label_multiple_asm); } for span in self.non_asms.iter() { - diag.span_label(*span, rustc_errors::fluent::label_non_asm); + diag.span_label(*span, fluent::passes_label_non_asm); } diag } @@ -1122,9 +1123,9 @@ pub struct AttrOnlyInFunctions { pub struct MultipleRustcMain { #[primary_span] pub span: Span, - #[label(first)] + #[label(passes_first)] pub first: Span, - #[label(additional)] + #[label(passes_additional)] pub additional: Span, } @@ -1135,7 +1136,7 @@ pub struct MultipleStartFunctions { pub span: Span, #[label] pub labeled: Span, - #[label(previous)] + #[label(passes_previous)] pub previous: Span, } @@ -1180,7 +1181,7 @@ impl<'a> IntoDiagnostic<'a> for NoMainErr { ) -> rustc_errors::DiagnosticBuilder<'a, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( DUMMY_SP, - rustc_errors::fluent::passes_no_main_function, + fluent::passes_no_main_function, error_code!(E0601), ); diag.set_arg("crate_name", self.crate_name); @@ -1188,16 +1189,16 @@ impl<'a> IntoDiagnostic<'a> for NoMainErr { diag.set_arg("has_filename", self.has_filename); let note = if !self.non_main_fns.is_empty() { for &span in &self.non_main_fns { - diag.span_note(span, rustc_errors::fluent::here_is_main); + diag.span_note(span, fluent::passes_here_is_main); } - diag.note(rustc_errors::fluent::one_or_more_possible_main); - diag.help(rustc_errors::fluent::consider_moving_main); + diag.note(fluent::passes_one_or_more_possible_main); + diag.help(fluent::passes_consider_moving_main); // There were some functions named `main` though. Try to give the user a hint. - rustc_errors::fluent::main_must_be_defined_at_crate + fluent::passes_main_must_be_defined_at_crate } else if self.has_filename { - rustc_errors::fluent::consider_adding_main_to_file + fluent::passes_consider_adding_main_to_file } else { - rustc_errors::fluent::consider_adding_main_at_crate + fluent::passes_consider_adding_main_at_crate }; if self.file_empty { diag.note(note); @@ -1208,11 +1209,11 @@ impl<'a> IntoDiagnostic<'a> for NoMainErr { if let Some(main_def) = self.main_def_opt && main_def.opt_fn_def_id().is_none(){ // There is something at `crate::main`, but it is not a function definition. - diag.span_label(main_def.span, rustc_errors::fluent::non_function_main); + diag.span_label(main_def.span, fluent::passes_non_function_main); } if self.add_teach_note { - diag.note(rustc_errors::fluent::teach_note); + diag.note(fluent::passes_teach_note); } diag } @@ -1241,12 +1242,9 @@ impl IntoDiagnostic<'_> for DuplicateLangItem { ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_err_with_code( match self.duplicate { - Duplicate::Plain => rustc_errors::fluent::passes_duplicate_lang_item, - - Duplicate::Crate => rustc_errors::fluent::passes_duplicate_lang_item_crate, - Duplicate::CrateDepends => { - rustc_errors::fluent::passes_duplicate_lang_item_crate_depends - } + Duplicate::Plain => fluent::passes_duplicate_lang_item, + Duplicate::Crate => fluent::passes_duplicate_lang_item_crate, + Duplicate::CrateDepends => fluent::passes_duplicate_lang_item_crate_depends, }, error_code!(E0152), ); @@ -1261,24 +1259,24 @@ impl IntoDiagnostic<'_> for DuplicateLangItem { diag.set_span(span); } if let Some(span) = self.first_defined_span { - diag.span_note(span, rustc_errors::fluent::first_defined_span); + diag.span_note(span, fluent::passes_first_defined_span); } else { if self.orig_dependency_of.is_empty() { - diag.note(rustc_errors::fluent::first_defined_crate); + diag.note(fluent::passes_first_defined_crate); } else { - diag.note(rustc_errors::fluent::first_defined_crate_depends); + diag.note(fluent::passes_first_defined_crate_depends); } if self.orig_is_local { - diag.note(rustc_errors::fluent::first_definition_local); + diag.note(fluent::passes_first_definition_local); } else { - diag.note(rustc_errors::fluent::first_definition_path); + diag.note(fluent::passes_first_definition_path); } if self.is_local { - diag.note(rustc_errors::fluent::second_definition_local); + diag.note(fluent::passes_second_definition_local); } else { - diag.note(rustc_errors::fluent::second_definition_path); + diag.note(fluent::passes_second_definition_path); } } diag @@ -1389,7 +1387,7 @@ pub struct UselessStability { #[primary_span] #[label] pub span: Span, - #[label(item)] + #[label(passes_item)] pub item_sp: Span, } @@ -1399,7 +1397,7 @@ pub struct InvalidStability { #[primary_span] #[label] pub span: Span, - #[label(item)] + #[label(passes_item)] pub item_sp: Span, } @@ -1409,7 +1407,7 @@ pub struct CannotStabilizeDeprecated { #[primary_span] #[label] pub span: Span, - #[label(item)] + #[label(passes_item)] pub item_sp: Span, } @@ -1419,7 +1417,7 @@ pub struct InvalidDeprecationVersion { #[primary_span] #[label] pub span: Span, - #[label(item)] + #[label(passes_item)] pub item_sp: Span, } diff --git a/compiler/rustc_passes/src/lib.rs b/compiler/rustc_passes/src/lib.rs index 6e621b7eb5e..0cb8424082c 100644 --- a/compiler/rustc_passes/src/lib.rs +++ b/compiler/rustc_passes/src/lib.rs @@ -18,6 +18,8 @@ extern crate rustc_middle; #[macro_use] extern crate tracing; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; use rustc_middle::ty::query::Providers; mod check_attr; @@ -40,6 +42,8 @@ pub mod stability; mod upvars; mod weak_lang_items; +fluent_messages! { "../locales/en-US.ftl" } + pub fn provide(providers: &mut Providers) { check_attr::provide(providers); check_const::provide(providers); diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index 13a576014a2..88a55dc8319 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -523,7 +523,7 @@ impl<'tcx> MissingStabilityAnnotations<'tcx> { && stab.is_none() && self.effective_visibilities.is_reachable(def_id) { - let descr = self.tcx.def_kind(def_id).descr(def_id.to_def_id()); + let descr = self.tcx.def_descr(def_id.to_def_id()); self.tcx.sess.emit_err(errors::MissingStabilityAttr { span, descr }); } } @@ -537,7 +537,7 @@ impl<'tcx> MissingStabilityAnnotations<'tcx> { // then it would be "stable" at least for the impl. // We gate usages of it using `feature(const_trait_impl)` anyways // so there is no unstable leakage - if self.tcx.is_builtin_derive(def_id.to_def_id()) { + if self.tcx.is_automatically_derived(def_id.to_def_id()) { return; } @@ -551,7 +551,7 @@ impl<'tcx> MissingStabilityAnnotations<'tcx> { let is_reachable = self.effective_visibilities.is_reachable(def_id); if is_const && is_stable && missing_const_stability_attribute && is_reachable { - let descr = self.tcx.def_kind(def_id).descr(def_id.to_def_id()); + let descr = self.tcx.def_descr(def_id.to_def_id()); self.tcx.sess.emit_err(errors::MissingConstStabAttr { span, descr }); } } diff --git a/compiler/rustc_error_messages/locales/en-US/plugin_impl.ftl b/compiler/rustc_plugin_impl/locales/en-US.ftl index 8db32a42c1d..8db32a42c1d 100644 --- a/compiler/rustc_error_messages/locales/en-US/plugin_impl.ftl +++ b/compiler/rustc_plugin_impl/locales/en-US.ftl diff --git a/compiler/rustc_plugin_impl/src/lib.rs b/compiler/rustc_plugin_impl/src/lib.rs index 9ac27c65da8..3f03eef9ee3 100644 --- a/compiler/rustc_plugin_impl/src/lib.rs +++ b/compiler/rustc_plugin_impl/src/lib.rs @@ -11,11 +11,15 @@ #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_lint::LintStore; +use rustc_macros::fluent_messages; mod errors; pub mod load; +fluent_messages! { "../locales/en-US.ftl" } + /// Structure used to register plugins. /// /// A plugin registrar function takes an `&mut Registry` and should call diff --git a/compiler/rustc_error_messages/locales/en-US/privacy.ftl b/compiler/rustc_privacy/locales/en-US.ftl index a26d1b2b381..a26d1b2b381 100644 --- a/compiler/rustc_error_messages/locales/en-US/privacy.ftl +++ b/compiler/rustc_privacy/locales/en-US.ftl diff --git a/compiler/rustc_privacy/src/errors.rs b/compiler/rustc_privacy/src/errors.rs index a6c95f1a815..72b53eefa08 100644 --- a/compiler/rustc_privacy/src/errors.rs +++ b/compiler/rustc_privacy/src/errors.rs @@ -57,7 +57,7 @@ pub struct InPublicInterfaceTraits<'a> { pub vis_descr: &'static str, pub kind: &'a str, pub descr: DiagnosticArgFromDisplay<'a>, - #[label(visibility_label)] + #[label(privacy_visibility_label)] pub vis_span: Span, } @@ -71,7 +71,7 @@ pub struct InPublicInterface<'a> { pub vis_descr: &'static str, pub kind: &'a str, pub descr: DiagnosticArgFromDisplay<'a>, - #[label(visibility_label)] + #[label(privacy_visibility_label)] pub vis_span: Span, } diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index 58dfca75c65..50176c80232 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -16,11 +16,13 @@ use rustc_ast::MacroDef; use rustc_attr as attr; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::intern::Interned; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{AssocItemKind, HirIdSet, ItemId, Node, PatKind}; +use rustc_macros::fluent_messages; use rustc_middle::bug; use rustc_middle::hir::nested_filter; use rustc_middle::middle::privacy::{EffectiveVisibilities, Level}; @@ -28,7 +30,7 @@ use rustc_middle::span_bug; use rustc_middle::ty::query::Providers; use rustc_middle::ty::subst::InternalSubsts; use rustc_middle::ty::{self, Const, DefIdTree, GenericParamDefKind}; -use rustc_middle::ty::{ir::TypeVisitor, TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable}; +use rustc_middle::ty::{TraitRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor}; use rustc_session::lint; use rustc_span::hygiene::Transparency; use rustc_span::symbol::{kw, sym, Ident}; @@ -44,6 +46,8 @@ use errors::{ UnnamedItemIsPrivate, }; +fluent_messages! { "../locales/en-US.ftl" } + //////////////////////////////////////////////////////////////////////////////// /// Generic infrastructure used to implement specific visitors below. //////////////////////////////////////////////////////////////////////////////// @@ -81,7 +85,10 @@ trait DefIdVisitor<'tcx> { dummy: Default::default(), } } - fn visit(&mut self, ty_fragment: impl TypeVisitable<'tcx>) -> ControlFlow<Self::BreakTy> { + fn visit( + &mut self, + ty_fragment: impl TypeVisitable<TyCtxt<'tcx>>, + ) -> ControlFlow<Self::BreakTy> { ty_fragment.visit_with(&mut self.skeleton()) } fn visit_trait(&mut self, trait_ref: TraitRef<'tcx>) -> ControlFlow<Self::BreakTy> { @@ -1329,7 +1336,7 @@ impl<'tcx> Visitor<'tcx> for TypePrivacyVisitor<'tcx> { hir::QPath::Resolved(_, path) => Some(self.tcx.def_path_str(path.res.def_id())), hir::QPath::TypeRelative(_, segment) => Some(segment.ident.to_string()), }; - let kind = kind.descr(def_id); + let kind = self.tcx.def_descr(def_id); let sess = self.tcx.sess; let _ = match name { Some(name) => { diff --git a/compiler/rustc_query_impl/Cargo.toml b/compiler/rustc_query_impl/Cargo.toml index 21732d26035..3e8a88c7e81 100644 --- a/compiler/rustc_query_impl/Cargo.toml +++ b/compiler/rustc_query_impl/Cargo.toml @@ -20,7 +20,7 @@ rustc-rayon-core = { version = "0.4.0", optional = true } rustc_serialize = { path = "../rustc_serialize" } rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" [features] diff --git a/compiler/rustc_query_system/Cargo.toml b/compiler/rustc_query_system/Cargo.toml index 028756b5a0a..7d8f75e2566 100644 --- a/compiler/rustc_query_system/Cargo.toml +++ b/compiler/rustc_query_system/Cargo.toml @@ -22,7 +22,7 @@ rustc_span = { path = "../rustc_span" } rustc_target = { path = "../rustc_target" } rustc_type_ir = { path = "../rustc_type_ir" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.9" +thin-vec = "0.2.12" tracing = "0.1" [features] diff --git a/compiler/rustc_error_messages/locales/en-US/query_system.ftl b/compiler/rustc_query_system/locales/en-US.ftl index 870e824039c..870e824039c 100644 --- a/compiler/rustc_error_messages/locales/en-US/query_system.ftl +++ b/compiler/rustc_query_system/locales/en-US.ftl diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs index 9443ded704d..35fa932e0f1 100644 --- a/compiler/rustc_query_system/src/dep_graph/graph.rs +++ b/compiler/rustc_query_system/src/dep_graph/graph.rs @@ -6,6 +6,7 @@ use rustc_data_structures::sharded::{self, Sharded}; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::steal::Steal; use rustc_data_structures::sync::{AtomicU32, AtomicU64, Lock, Lrc, Ordering}; +use rustc_data_structures::OnDrop; use rustc_index::vec::IndexVec; use rustc_serialize::opaque::{FileEncodeResult, FileEncoder}; use smallvec::{smallvec, SmallVec}; @@ -671,17 +672,24 @@ impl<K: DepKind> DepGraph<K> { let prev_index = data.previous.node_to_index_opt(dep_node)?; match data.colors.get(prev_index) { - Some(DepNodeColor::Green(dep_node_index)) => Some((prev_index, dep_node_index)), - Some(DepNodeColor::Red) => None, - None => { - // This DepNode and the corresponding query invocation existed - // in the previous compilation session too, so we can try to - // mark it as green by recursively marking all of its - // dependencies green. - self.try_mark_previous_green(qcx, data, prev_index, &dep_node) - .map(|dep_node_index| (prev_index, dep_node_index)) - } + Some(DepNodeColor::Green(dep_node_index)) => return Some((prev_index, dep_node_index)), + Some(DepNodeColor::Red) => return None, + None => {} } + + let backtrace = backtrace_printer(qcx.dep_context().sess(), data, prev_index); + + // This DepNode and the corresponding query invocation existed + // in the previous compilation session too, so we can try to + // mark it as green by recursively marking all of its + // dependencies green. + let ret = self + .try_mark_previous_green(qcx, data, prev_index, &dep_node) + .map(|dep_node_index| (prev_index, dep_node_index)); + + // We succeeded, no backtrace. + backtrace.disable(); + return ret; } #[instrument(skip(self, qcx, data, parent_dep_node_index), level = "debug")] @@ -794,7 +802,10 @@ impl<K: DepKind> DepGraph<K> { let prev_deps = data.previous.edge_targets_from(prev_dep_node_index); for &dep_dep_node_index in prev_deps { - self.try_mark_parent_green(qcx, data, dep_dep_node_index, dep_node)? + let backtrace = backtrace_printer(qcx.dep_context().sess(), data, dep_dep_node_index); + let success = self.try_mark_parent_green(qcx, data, dep_dep_node_index, dep_node); + backtrace.disable(); + success?; } // If we got here without hitting a `return` that means that all @@ -1364,3 +1375,26 @@ impl DepNodeColorMap { ) } } + +fn backtrace_printer<'a, K: DepKind>( + sess: &'a rustc_session::Session, + graph: &'a DepGraphData<K>, + node: SerializedDepNodeIndex, +) -> OnDrop<impl Fn() + 'a> { + OnDrop( + #[inline(never)] + #[cold] + move || { + let node = graph.previous.index_to_node(node); + // Do not try to rely on DepNode's Debug implementation, since it may panic. + let diag = rustc_errors::Diagnostic::new( + rustc_errors::Level::FailureNote, + &format!( + "encountered while trying to mark dependency green: {:?}({})", + node.kind, node.hash + ), + ); + sess.diagnostic().force_print_diagnostic(diag); + }, + ) +} diff --git a/compiler/rustc_query_system/src/ich/hcx.rs b/compiler/rustc_query_system/src/ich/hcx.rs index 163da59edd5..5593a15412f 100644 --- a/compiler/rustc_query_system/src/ich/hcx.rs +++ b/compiler/rustc_query_system/src/ich/hcx.rs @@ -90,7 +90,7 @@ impl<'a> StableHashingContext<'a> { if let Some(def_id) = def_id.as_local() { self.local_def_path_hash(def_id) } else { - self.untracked.cstore.def_path_hash(def_id) + self.untracked.cstore.read().def_path_hash(def_id) } } @@ -146,7 +146,7 @@ impl<'a> rustc_span::HashStableContext for StableHashingContext<'a> { #[inline] fn def_span(&self, def_id: LocalDefId) -> Span { - *self.untracked.source_span.get(def_id).unwrap_or(&DUMMY_SP) + self.untracked.source_span.get(def_id).unwrap_or(DUMMY_SP) } #[inline] diff --git a/compiler/rustc_query_system/src/lib.rs b/compiler/rustc_query_system/src/lib.rs index f47760e9ae6..6cc4c9a7e1e 100644 --- a/compiler/rustc_query_system/src/lib.rs +++ b/compiler/rustc_query_system/src/lib.rs @@ -3,6 +3,7 @@ #![feature(hash_raw_entry)] #![feature(min_specialization)] #![feature(extern_types)] +#![feature(let_chains)] #![allow(rustc::potential_query_instability)] #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] @@ -14,6 +15,9 @@ extern crate rustc_data_structures; #[macro_use] extern crate rustc_macros; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + pub mod cache; pub mod dep_graph; mod error; @@ -25,3 +29,5 @@ pub use error::HandleCycleError; pub use error::LayoutOfDepth; pub use error::QueryOverflow; pub use values::Value; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_query_system/src/query/caches.rs b/compiler/rustc_query_system/src/query/caches.rs index e840108bdd8..4b3cd16c29f 100644 --- a/compiler/rustc_query_system/src/query/caches.rs +++ b/compiler/rustc_query_system/src/query/caches.rs @@ -21,7 +21,7 @@ pub trait QueryStorage { } pub trait QueryCache: QueryStorage + Sized { - type Key: Hash + Eq + Clone + Debug; + type Key: Hash + Eq + Copy + Debug; /// Checks if the query is already computed and in the cache. /// It returns the shard index and a lock guard to the shard, @@ -61,7 +61,7 @@ impl<K: Eq + Hash, V: Copy + Debug> QueryStorage for DefaultCache<K, V> { impl<K, V> QueryCache for DefaultCache<K, V> where - K: Eq + Hash + Clone + Debug, + K: Eq + Hash + Copy + Debug, V: Copy + Debug, { type Key = K; @@ -179,7 +179,7 @@ impl<K: Eq + Idx, V: Copy + Debug> QueryStorage for VecCache<K, V> { impl<K, V> QueryCache for VecCache<K, V> where - K: Eq + Idx + Clone + Debug, + K: Eq + Idx + Copy + Debug, V: Copy + Debug, { type Key = K; diff --git a/compiler/rustc_query_system/src/query/config.rs b/compiler/rustc_query_system/src/query/config.rs index 56247e827a2..d5637387346 100644 --- a/compiler/rustc_query_system/src/query/config.rs +++ b/compiler/rustc_query_system/src/query/config.rs @@ -19,7 +19,9 @@ pub type TryLoadFromDisk<Qcx, Q> = pub trait QueryConfig<Qcx: QueryContext> { const NAME: &'static str; - type Key: DepNodeParams<Qcx::DepContext> + Eq + Hash + Clone + Debug; + // `Key` and `Value` are `Copy` instead of `Clone` to ensure copying them stays cheap, + // but it isn't necessary. + type Key: DepNodeParams<Qcx::DepContext> + Eq + Hash + Copy + Debug; type Value: Debug + Copy; type Cache: QueryCache<Key = Self::Key, Value = Self::Value>; diff --git a/compiler/rustc_query_system/src/query/plumbing.rs b/compiler/rustc_query_system/src/query/plumbing.rs index 57217fb681a..5499165930d 100644 --- a/compiler/rustc_query_system/src/query/plumbing.rs +++ b/compiler/rustc_query_system/src/query/plumbing.rs @@ -2,7 +2,7 @@ //! generate the actual methods on tcx which find and execute the provider, //! manage the caches, and so forth. -use crate::dep_graph::{DepContext, DepKind, DepNode, DepNodeIndex}; +use crate::dep_graph::{DepContext, DepKind, DepNode, DepNodeIndex, DepNodeParams}; use crate::ich::StableHashingContext; use crate::query::caches::QueryCache; use crate::query::job::{report_cycle, QueryInfo, QueryJob, QueryJobId, QueryJobInfo}; @@ -19,7 +19,6 @@ use rustc_data_structures::sync::Lock; use rustc_errors::{DiagnosticBuilder, ErrorGuaranteed, FatalError}; use rustc_session::Session; use rustc_span::{Span, DUMMY_SP}; -use std::borrow::Borrow; use std::cell::Cell; use std::collections::hash_map::Entry; use std::fmt::Debug; @@ -49,7 +48,7 @@ enum QueryResult<D: DepKind> { impl<K, D> QueryState<K, D> where - K: Eq + Hash + Clone + Debug, + K: Eq + Hash + Copy + Debug, D: DepKind, { pub fn all_inactive(&self) -> bool { @@ -78,7 +77,7 @@ where for shard in shards.iter() { for (k, v) in shard.iter() { if let QueryResult::Started(ref job) = *v { - let query = make_query(qcx, k.clone()); + let query = make_query(qcx, *k); jobs.insert(job.id, QueryJobInfo { query, job: job.clone() }); } } @@ -92,7 +91,7 @@ where // really hurt much.) for (k, v) in self.active.try_lock()?.iter() { if let QueryResult::Started(ref job) = *v { - let query = make_query(qcx, k.clone()); + let query = make_query(qcx, *k); jobs.insert(job.id, QueryJobInfo { query, job: job.clone() }); } } @@ -112,7 +111,7 @@ impl<K, D: DepKind> Default for QueryState<K, D> { /// This will poison the relevant query if dropped. struct JobOwner<'tcx, K, D: DepKind> where - K: Eq + Hash + Clone, + K: Eq + Hash + Copy, { state: &'tcx QueryState<K, D>, key: K, @@ -164,7 +163,7 @@ where impl<'tcx, K, D: DepKind> JobOwner<'tcx, K, D> where - K: Eq + Hash + Clone, + K: Eq + Hash + Copy, { /// Either gets a `JobOwner` corresponding the query, allowing us to /// start executing the query, or returns with the result of the query. @@ -196,7 +195,7 @@ where let job = qcx.current_query_job(); let job = QueryJob::new(id, span, job); - let key = entry.key().clone(); + let key = *entry.key(); entry.insert(QueryResult::Started(job)); let owner = JobOwner { state, id, key }; @@ -275,7 +274,7 @@ where impl<'tcx, K, D> Drop for JobOwner<'tcx, K, D> where - K: Eq + Hash + Clone, + K: Eq + Hash + Copy, D: DepKind, { #[inline(never)] @@ -292,7 +291,7 @@ where QueryResult::Started(job) => job, QueryResult::Poisoned => panic!(), }; - shard.insert(self.key.clone(), QueryResult::Poisoned); + shard.insert(self.key, QueryResult::Poisoned); job }; // Also signal the completion of the job, so waiters @@ -311,7 +310,7 @@ pub(crate) struct CycleError<D: DepKind> { /// The result of `try_start`. enum TryGetJob<'tcx, K, D> where - K: Eq + Hash + Clone, + K: Eq + Hash + Copy, D: DepKind, { /// The query is not yet started. Contains a guard to the cache eventually used to start it. @@ -359,30 +358,17 @@ where Q: QueryConfig<Qcx>, Qcx: QueryContext, { - match JobOwner::<'_, Q::Key, Qcx::DepKind>::try_start(&qcx, state, span, key.clone()) { + match JobOwner::<'_, Q::Key, Qcx::DepKind>::try_start(&qcx, state, span, key) { TryGetJob::NotYetStarted(job) => { - let (result, dep_node_index) = - execute_job::<Q, Qcx>(qcx, key.clone(), dep_node, job.id); + let (result, dep_node_index) = execute_job::<Q, Qcx>(qcx, key, dep_node, job.id); if Q::FEEDABLE { - // We may have put a value inside the cache from inside the execution. - // Verify that it has the same hash as what we have now, to ensure consistency. + // We should not compute queries that also got a value via feeding. + // This can't happen, as query feeding adds the very dependencies to the fed query + // as its feeding query had. So if the fed query is red, so is its feeder, which will + // get evaluated first, and re-feed the query. if let Some((cached_result, _)) = cache.lookup(&key) { - let hasher = Q::HASH_RESULT.expect("feedable forbids no_hash"); - - let old_hash = qcx.dep_context().with_stable_hashing_context(|mut hcx| { - hasher(&mut hcx, cached_result.borrow()) - }); - let new_hash = qcx - .dep_context() - .with_stable_hashing_context(|mut hcx| hasher(&mut hcx, &result)); - debug_assert_eq!( - old_hash, - new_hash, - "Computed query value for {:?}({:?}) is inconsistent with fed value,\ncomputed={:#?}\nfed={:#?}", - Q::DEP_KIND, - key, - result, - cached_result, + panic!( + "fed query later has its value computed. The already cached value: {cached_result:?}" ); } } @@ -421,10 +407,27 @@ where // Fast path for when incr. comp. is off. if !dep_graph.is_fully_enabled() { + // Fingerprint the key, just to assert that it doesn't + // have anything we don't consider hashable + if cfg!(debug_assertions) { + let _ = key.to_fingerprint(*qcx.dep_context()); + } + let prof_timer = qcx.dep_context().profiler().query_provider(); let result = qcx.start_query(job_id, Q::DEPTH_LIMIT, None, || Q::compute(qcx, key)); let dep_node_index = dep_graph.next_virtual_depnode_index(); prof_timer.finish_with_query_invocation_id(dep_node_index.into()); + + // Similarly, fingerprint the result to assert that + // it doesn't have anything not considered hashable. + if cfg!(debug_assertions) + && let Some(hash_result) = Q::HASH_RESULT + { + qcx.dep_context().with_stable_hashing_context(|mut hcx| { + hash_result(&mut hcx, &result); + }); + } + return (result, dep_node_index); } @@ -547,7 +550,7 @@ where let prof_timer = qcx.dep_context().profiler().query_provider(); // The dep-graph for this computation is already in-place. - let result = dep_graph.with_ignore(|| Q::compute(qcx, key.clone())); + let result = dep_graph.with_ignore(|| Q::compute(qcx, *key)); prof_timer.finish_with_query_invocation_id(dep_node_index.into()); diff --git a/compiler/rustc_resolve/Cargo.toml b/compiler/rustc_resolve/Cargo.toml index d4935b52b10..5c4ec44d2b8 100644 --- a/compiler/rustc_resolve/Cargo.toml +++ b/compiler/rustc_resolve/Cargo.toml @@ -25,5 +25,5 @@ rustc_query_system = { path = "../rustc_query_system" } rustc_session = { path = "../rustc_session" } rustc_span = { path = "../rustc_span" } smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.8" +thin-vec = "0.2.12" tracing = "0.1" diff --git a/compiler/rustc_error_messages/locales/en-US/resolve.ftl b/compiler/rustc_resolve/locales/en-US.ftl index 817bb83ed78..817bb83ed78 100644 --- a/compiler/rustc_error_messages/locales/en-US/resolve.ftl +++ b/compiler/rustc_resolve/locales/en-US.ftl diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index 5dc651638f7..b1e023f2caa 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -130,11 +130,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { def_key.disambiguated_data.data.get_opt_name().expect("module without name") }; + let expn_id = self.cstore().module_expansion_untracked(def_id, &self.tcx.sess); + let span = self.cstore().get_span_untracked(def_id, &self.tcx.sess); Some(self.new_module( parent, ModuleKind::Def(def_kind, def_id, name), - self.cstore().module_expansion_untracked(def_id, &self.session), - self.cstore().get_span_untracked(def_id, &self.session), + expn_id, + span, // FIXME: Account for `#[no_implicit_prelude]` attributes. parent.map_or(false, |module| module.no_implicit_prelude), )) @@ -179,7 +181,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { return macro_data.clone(); } - let (ext, macro_rules) = match self.cstore().load_macro_untracked(def_id, &self.session) { + let load_macro_untracked = self.cstore().load_macro_untracked(def_id, &self.tcx.sess); + let (ext, macro_rules) = match load_macro_untracked { LoadedMacro::MacroDef(item, edition) => ( Lrc::new(self.compile_macro(&item, edition).0), matches!(item.kind, ItemKind::MacroDef(def) if def.macro_rules), @@ -204,9 +207,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } pub(crate) fn build_reduced_graph_external(&mut self, module: Module<'a>) { - for child in - Vec::from_iter(self.cstore().module_children_untracked(module.def_id(), self.session)) - { + let children = + Vec::from_iter(self.cstore().module_children_untracked(module.def_id(), self.tcx.sess)); + for child in children { let parent_scope = ParentScope::module(module, self); BuildReducedGraphVisitor { r: self, parent_scope } .build_reduced_graph_for_external_crate_res(child); @@ -346,7 +349,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { fn insert_field_names_extern(&mut self, def_id: DefId) { let field_names = - self.r.cstore().struct_field_names_untracked(def_id, self.r.session).collect(); + self.r.cstore().struct_field_names_untracked(def_id, self.r.tcx.sess).collect(); self.r.field_names.insert(def_id, field_names); } @@ -539,14 +542,15 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } self.r - .session + .tcx + .sess .struct_span_err(item.span, "`$crate` may not be imported") .emit(); } } if ident.name == kw::Crate { - self.r.session.span_err( + self.r.tcx.sess.span_err( ident.span, "crate root imports need to be explicitly named: \ `use crate as name;`", @@ -575,7 +579,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } ast::UseTreeKind::Glob => { let kind = ImportKind::Glob { - is_prelude: self.r.session.contains_name(&item.attrs, sym::prelude_import), + is_prelude: self.r.tcx.sess.contains_name(&item.attrs, sym::prelude_import), max_vis: Cell::new(None), id, }; @@ -690,7 +694,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { expansion.to_expn_id(), item.span, parent.no_implicit_prelude - || self.r.session.contains_name(&item.attrs, sym::no_implicit_prelude), + || self.r.tcx.sess.contains_name(&item.attrs, sym::no_implicit_prelude), ); self.r.define(parent, ident, TypeNS, (module, vis, sp, expansion)); @@ -755,7 +759,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { // If the structure is marked as non_exhaustive then lower the visibility // to within the crate. let mut ctor_vis = if vis.is_public() - && self.r.session.contains_name(&item.attrs, sym::non_exhaustive) + && self.r.tcx.sess.contains_name(&item.attrs, sym::non_exhaustive) { ty::Visibility::Restricted(CRATE_DEF_ID) } else { @@ -837,7 +841,8 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { let (used, module, binding) = if orig_name.is_none() && ident.name == kw::SelfLower { self.r - .session + .tcx + .sess .struct_span_err(item.span, "`extern crate self;` requires renaming") .span_suggestion( item.span, @@ -850,7 +855,10 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } else if orig_name == Some(kw::SelfLower) { Some(self.r.graph_root) } else { - let crate_id = self.r.crate_loader().process_extern_crate(item, local_def_id); + let tcx = self.r.tcx; + let crate_id = self.r.crate_loader(|c| { + c.process_extern_crate(item, local_def_id, &tcx.definitions_untracked()) + }); crate_id.map(|crate_id| { self.r.extern_crate_map.insert(local_def_id, crate_id); self.r.expect_module(crate_id.as_def_id()) @@ -887,7 +895,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { { let msg = "macro-expanded `extern crate` items cannot \ shadow names passed with `--extern`"; - self.r.session.span_err(item.span, msg); + self.r.tcx.sess.span_err(item.span, msg); } } let entry = self.r.extern_prelude.entry(ident.normalize_to_macros_2_0()).or_insert( @@ -998,23 +1006,26 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { | Res::Err => bug!("unexpected resolution: {:?}", res), } // Record some extra data for better diagnostics. - let cstore = self.r.cstore(); match res { Res::Def(DefKind::Struct, def_id) => { + let cstore = self.r.cstore(); if let Some((ctor_kind, ctor_def_id)) = cstore.ctor_untracked(def_id) { let ctor_res = Res::Def(DefKind::Ctor(CtorOf::Struct, ctor_kind), ctor_def_id); let ctor_vis = cstore.visibility_untracked(ctor_def_id); let field_visibilities = cstore.struct_field_visibilities_untracked(def_id).collect(); + drop(cstore); self.r .struct_constructors .insert(def_id, (ctor_res, ctor_vis, field_visibilities)); + } else { + drop(cstore); } self.insert_field_names_extern(def_id) } Res::Def(DefKind::Union, def_id) => self.insert_field_names_extern(def_id), Res::Def(DefKind::AssocFn, def_id) => { - if cstore.fn_has_self_parameter_untracked(def_id, self.r.session) { + if self.r.cstore().fn_has_self_parameter_untracked(def_id, self.r.tcx.sess) { self.r.has_self.insert(def_id); } } @@ -1033,7 +1044,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { let msg = format!("`{}` is already in scope", name); let note = "macro-expanded `#[macro_use]`s may not shadow existing macros (see RFC 1560)"; - self.r.session.struct_span_err(span, &msg).note(note).emit(); + self.r.tcx.sess.struct_span_err(span, &msg).note(note).emit(); } } @@ -1045,7 +1056,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { if attr.has_name(sym::macro_use) { if self.parent_scope.module.parent.is_some() { struct_span_err!( - self.r.session, + self.r.tcx.sess, item.span, E0468, "an `extern crate` loading macros must be at the crate root" @@ -1055,7 +1066,8 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { if let ItemKind::ExternCrate(Some(orig_name)) = item.kind { if orig_name == kw::SelfLower { self.r - .session + .tcx + .sess .struct_span_err( attr.span, "`#[macro_use]` is not supported on `extern crate self`", @@ -1064,7 +1076,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } } let ill_formed = |span| { - struct_span_err!(self.r.session, span, E0466, "bad macro import").emit(); + struct_span_err!(self.r.tcx.sess, span, E0466, "bad macro import").emit(); }; match attr.meta() { Some(meta) => match meta.kind { @@ -1135,8 +1147,13 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { allow_shadowing, ); } else { - struct_span_err!(self.r.session, ident.span, E0469, "imported macro not found") - .emit(); + struct_span_err!( + self.r.tcx.sess, + ident.span, + E0469, + "imported macro not found" + ) + .emit(); } } } @@ -1148,7 +1165,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { for attr in attrs { if attr.has_name(sym::macro_escape) { let msg = "`#[macro_escape]` is a deprecated synonym for `#[macro_use]`"; - let mut err = self.r.session.struct_span_warn(attr.span, msg); + let mut err = self.r.tcx.sess.struct_span_warn(attr.span, msg); if let ast::AttrStyle::Inner = attr.style { err.help("try an outer attribute: `#[macro_use]`").emit(); } else { @@ -1159,7 +1176,10 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } if !attr.is_word() { - self.r.session.span_err(attr.span, "arguments to `macro_use` are not allowed here"); + self.r + .tcx + .sess + .span_err(attr.span, "arguments to `macro_use` are not allowed here"); } return true; } @@ -1183,11 +1203,11 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { } fn proc_macro_stub(&self, item: &ast::Item) -> Option<(MacroKind, Ident, Span)> { - if self.r.session.contains_name(&item.attrs, sym::proc_macro) { + if self.r.tcx.sess.contains_name(&item.attrs, sym::proc_macro) { return Some((MacroKind::Bang, item.ident, item.span)); - } else if self.r.session.contains_name(&item.attrs, sym::proc_macro_attribute) { + } else if self.r.tcx.sess.contains_name(&item.attrs, sym::proc_macro_attribute) { return Some((MacroKind::Attr, item.ident, item.span)); - } else if let Some(attr) = self.r.session.find_by_name(&item.attrs, sym::proc_macro_derive) + } else if let Some(attr) = self.r.tcx.sess.find_by_name(&item.attrs, sym::proc_macro_derive) { if let Some(nested_meta) = attr.meta_item_list().and_then(|list| list.get(0).cloned()) { if let Some(ident) = nested_meta.ident() { @@ -1222,7 +1242,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { let def_id = self.r.local_def_id(item.id); let (ext, ident, span, macro_rules, rule_spans) = match &item.kind { ItemKind::MacroDef(def) => { - let (ext, rule_spans) = self.r.compile_macro(item, self.r.session.edition()); + let (ext, rule_spans) = self.r.compile_macro(item, self.r.tcx.sess.edition()); let ext = Lrc::new(ext); (ext, item.ident, item.span, def.macro_rules, rule_spans) } @@ -1243,7 +1263,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { if macro_rules { let ident = ident.normalize_to_macros_2_0(); self.r.macro_names.insert(ident); - let is_macro_export = self.r.session.contains_name(&item.attrs, sym::macro_export); + let is_macro_export = self.r.tcx.sess.contains_name(&item.attrs, sym::macro_export); let vis = if is_macro_export { ty::Visibility::Public } else { @@ -1507,7 +1527,7 @@ impl<'a, 'b, 'tcx> Visitor<'b> for BuildReducedGraphVisitor<'a, 'b, 'tcx> { // If the variant is marked as non_exhaustive then lower the visibility to within the crate. let ctor_vis = if vis.is_public() - && self.r.session.contains_name(&variant.attrs, sym::non_exhaustive) + && self.r.tcx.sess.contains_name(&variant.attrs, sym::non_exhaustive) { ty::Visibility::Restricted(CRATE_DEF_ID) } else { diff --git a/compiler/rustc_resolve/src/check_unused.rs b/compiler/rustc_resolve/src/check_unused.rs index 294fd0a736f..0114e116386 100644 --- a/compiler/rustc_resolve/src/check_unused.rs +++ b/compiler/rustc_resolve/src/check_unused.rs @@ -290,7 +290,7 @@ impl Resolver<'_, '_> { let ms = MultiSpan::from_spans(spans.clone()); let mut span_snippets = spans .iter() - .filter_map(|s| match visitor.r.session.source_map().span_to_snippet(*s) { + .filter_map(|s| match visitor.r.tcx.sess.source_map().span_to_snippet(*s) { Ok(s) => Some(format!("`{}`", s)), _ => None, }) @@ -317,7 +317,7 @@ impl Resolver<'_, '_> { // If we are in the `--test` mode, suppress a help that adds the `#[cfg(test)]` // attribute; however, if not, suggest adding the attribute. There is no way to // retrieve attributes here because we do not have a `TyCtxt` yet. - let test_module_span = if visitor.r.session.opts.test { + let test_module_span = if visitor.r.tcx.sess.opts.test { None } else { let parent_module = visitor.r.get_nearest_non_block_module( diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 934d60589d4..ee2d2301399 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -12,25 +12,24 @@ use rustc_errors::{struct_span_err, SuggestionStyle}; use rustc_feature::BUILTIN_ATTRIBUTES; use rustc_hir::def::Namespace::{self, *}; use rustc_hir::def::{self, CtorKind, CtorOf, DefKind, NonMacroAttrKind, PerNS}; -use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID, LOCAL_CRATE}; +use rustc_hir::def_id::{DefId, CRATE_DEF_ID, LOCAL_CRATE}; use rustc_hir::PrimTy; -use rustc_index::vec::IndexVec; use rustc_middle::bug; -use rustc_middle::ty::DefIdTree; +use rustc_middle::ty::{DefIdTree, TyCtxt}; use rustc_session::lint::builtin::ABSOLUTE_PATHS_NOT_STARTING_WITH_CRATE; use rustc_session::lint::builtin::MACRO_EXPANDED_MACRO_EXPORTS_ACCESSED_BY_ABSOLUTE_PATHS; use rustc_session::lint::BuiltinLintDiagnostics; use rustc_session::Session; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; use rustc_span::hygiene::MacroKind; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::source_map::SourceMap; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, Span, SyntaxContext}; use thin_vec::ThinVec; use crate::errors as errs; -use crate::imports::{Import, ImportKind, ImportResolver}; +use crate::imports::{Import, ImportKind}; use crate::late::{PatternSource, Rib}; use crate::path_names_to_string; use crate::{AmbiguityError, AmbiguityErrorMisc, AmbiguityKind, BindingError, Finalize}; @@ -154,8 +153,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if !candidates.is_empty() { show_candidates( - &self.session, - &self.untracked.source_span, + self.tcx, &mut err, span, &candidates, @@ -191,7 +189,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } let container = match parent.kind { - ModuleKind::Def(kind, _, _) => kind.descr(parent.def_id()), + ModuleKind::Def(kind, _, _) => self.tcx.def_kind_descr(kind, parent.def_id()), ModuleKind::Block => "block", }; @@ -206,7 +204,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }; let (name, span) = - (ident.name, self.session.source_map().guess_head_span(new_binding.span)); + (ident.name, self.tcx.sess.source_map().guess_head_span(new_binding.span)); if let Some(s) = self.name_already_seen.get(&name) { if s == &span { @@ -226,15 +224,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let msg = format!("the name `{}` is defined multiple times", name); let mut err = match (old_binding.is_extern_crate(), new_binding.is_extern_crate()) { - (true, true) => struct_span_err!(self.session, span, E0259, "{}", msg), + (true, true) => struct_span_err!(self.tcx.sess, span, E0259, "{}", msg), (true, _) | (_, true) => match new_binding.is_import() && old_binding.is_import() { - true => struct_span_err!(self.session, span, E0254, "{}", msg), - false => struct_span_err!(self.session, span, E0260, "{}", msg), + true => struct_span_err!(self.tcx.sess, span, E0254, "{}", msg), + false => struct_span_err!(self.tcx.sess, span, E0260, "{}", msg), }, _ => match (old_binding.is_import_user_facing(), new_binding.is_import_user_facing()) { - (false, false) => struct_span_err!(self.session, span, E0428, "{}", msg), - (true, true) => struct_span_err!(self.session, span, E0252, "{}", msg), - _ => struct_span_err!(self.session, span, E0255, "{}", msg), + (false, false) => struct_span_err!(self.tcx.sess, span, E0428, "{}", msg), + (true, true) => struct_span_err!(self.tcx.sess, span, E0252, "{}", msg), + _ => struct_span_err!(self.tcx.sess, span, E0255, "{}", msg), }, }; @@ -248,7 +246,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { err.span_label(span, format!("`{}` re{} here", name, new_participle)); if !old_binding.span.is_dummy() && old_binding.span != span { err.span_label( - self.session.source_map().guess_head_span(old_binding.span), + self.tcx.sess.source_map().guess_head_span(old_binding.span), format!("previous {} of the {} `{}` here", old_noun, old_kind, name), ); } @@ -352,7 +350,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if let Some(pos) = source.span.hi().0.checked_sub(binding_span.lo().0).map(|pos| pos as usize) { - if let Ok(snippet) = self.session.source_map().span_to_snippet(binding_span) { + if let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(binding_span) { if pos <= snippet.len() { suggestion = Some(format!( "{} as {}{}", @@ -426,12 +424,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // `a` and `import.use_span` is `issue_52891::{d, e, a};`. let (found_closing_brace, span) = - find_span_of_binding_until_next_binding(self.session, binding_span, import.use_span); + find_span_of_binding_until_next_binding(self.tcx.sess, binding_span, import.use_span); // If there was a closing brace then identify the span to remove any trailing commas from // previous imports. if found_closing_brace { - if let Some(span) = extend_span_to_previous_binding(self.session, span) { + if let Some(span) = extend_span_to_previous_binding(self.tcx.sess, span) { err.tool_only_span_suggestion(span, message, "", Applicability::MaybeIncorrect); } else { // Remove the entire line if we cannot extend the span back, this indicates an @@ -462,7 +460,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let first_name = match path.get(0) { // In the 2018 edition this lint is a hard error, so nothing to do - Some(seg) if seg.ident.span.is_rust_2015() && self.session.is_rust_2015() => { + Some(seg) if seg.ident.span.is_rust_2015() && self.tcx.sess.is_rust_2015() => { seg.ident.name } _ => return, @@ -541,14 +539,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { match resolution_error { ResolutionError::GenericParamsFromOuterFunction(outer_res, has_generic_params) => { let mut err = struct_span_err!( - self.session, + self.tcx.sess, span, E0401, "can't use generic parameters from outer function", ); err.span_label(span, "use of generic parameter from outer function"); - let sm = self.session.source_map(); + let sm = self.tcx.sess.source_map(); let def_id = match outer_res { Res::SelfTyParam { .. } => { err.span_label(span, "can't use `Self` here"); @@ -605,10 +603,11 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { err } ResolutionError::NameAlreadyUsedInParameterList(name, first_use_span) => self - .session + .tcx + .sess .create_err(errs::NameAlreadyUsedInParameterList { span, first_use_span, name }), ResolutionError::MethodNotMemberOfTrait(method, trait_, candidate) => { - self.session.create_err(errs::MethodNotMemberOfTrait { + self.tcx.sess.create_err(errs::MethodNotMemberOfTrait { span, method, trait_, @@ -619,7 +618,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }) } ResolutionError::TypeNotMemberOfTrait(type_, trait_, candidate) => { - self.session.create_err(errs::TypeNotMemberOfTrait { + self.tcx.sess.create_err(errs::TypeNotMemberOfTrait { span, type_, trait_, @@ -630,7 +629,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }) } ResolutionError::ConstNotMemberOfTrait(const_, trait_, candidate) => { - self.session.create_err(errs::ConstNotMemberOfTrait { + self.tcx.sess.create_err(errs::ConstNotMemberOfTrait { span, const_, trait_, @@ -648,7 +647,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let msp = MultiSpan::from_spans(target_sp.clone()); let mut err = struct_span_err!( - self.session, + self.tcx.sess, msp, E0408, "variable `{}` is not bound in all patterns", @@ -686,8 +685,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { err.span_help(span, &help_msg); } show_candidates( - &self.session, - &self.untracked.source_span, + self.tcx, &mut err, Some(span), &import_suggestions, @@ -701,17 +699,19 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { err } ResolutionError::VariableBoundWithDifferentMode(variable_name, first_binding_span) => { - self.session.create_err(errs::VariableBoundWithDifferentMode { + self.tcx.sess.create_err(errs::VariableBoundWithDifferentMode { span, first_binding_span, variable_name, }) } ResolutionError::IdentifierBoundMoreThanOnceInParameterList(identifier) => self - .session + .tcx + .sess .create_err(errs::IdentifierBoundMoreThanOnceInParameterList { span, identifier }), ResolutionError::IdentifierBoundMoreThanOnceInSamePattern(identifier) => self - .session + .tcx + .sess .create_err(errs::IdentifierBoundMoreThanOnceInSamePattern { span, identifier }), ResolutionError::UndeclaredLabel { name, suggestion } => { let ((sub_reachable, sub_reachable_suggestion), sub_unreachable) = match suggestion @@ -737,7 +737,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // No similarly-named labels exist. None => ((None, None), None), }; - self.session.create_err(errs::UndeclaredLabel { + self.tcx.sess.create_err(errs::UndeclaredLabel { span, name, sub_reachable, @@ -762,21 +762,22 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }; (Some(suggestion), Some(mpart_suggestion)) }; - self.session.create_err(errs::SelfImportsOnlyAllowedWithin { + self.tcx.sess.create_err(errs::SelfImportsOnlyAllowedWithin { span, suggestion, mpart_suggestion, }) } ResolutionError::SelfImportCanOnlyAppearOnceInTheList => { - self.session.create_err(errs::SelfImportCanOnlyAppearOnceInTheList { span }) - } - ResolutionError::SelfImportOnlyInImportListWithNonEmptyPrefix => { - self.session.create_err(errs::SelfImportOnlyInImportListWithNonEmptyPrefix { span }) + self.tcx.sess.create_err(errs::SelfImportCanOnlyAppearOnceInTheList { span }) } + ResolutionError::SelfImportOnlyInImportListWithNonEmptyPrefix => self + .tcx + .sess + .create_err(errs::SelfImportOnlyInImportListWithNonEmptyPrefix { span }), ResolutionError::FailedToResolve { label, suggestion } => { let mut err = - struct_span_err!(self.session, span, E0433, "failed to resolve: {}", &label); + struct_span_err!(self.tcx.sess, span, E0433, "failed to resolve: {}", &label); err.span_label(span, label); if let Some((suggestions, msg, applicability)) = suggestion { @@ -790,7 +791,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { err } ResolutionError::CannotCaptureDynamicEnvironmentInFnItem => { - self.session.create_err(errs::CannotCaptureDynamicEnvironmentInFnItem { span }) + self.tcx.sess.create_err(errs::CannotCaptureDynamicEnvironmentInFnItem { span }) } ResolutionError::AttemptToUseNonConstantValueInConstant(ident, suggestion, current) => { // let foo =... @@ -802,12 +803,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // the further the two are apart, the higher the chance of the suggestion being wrong let sp = self - .session + .tcx + .sess .source_map() .span_extend_to_prev_str(ident.span, current, true, false); let ((with, with_label), without) = match sp { - Some(sp) if !self.session.source_map().is_multiline(sp) => { + Some(sp) if !self.tcx.sess.source_map().is_multiline(sp) => { let sp = sp.with_lo(BytePos(sp.lo().0 - (current.len() as u32))); ( (Some(errs::AttemptToUseNonConstantValueInConstantWithSuggestion { @@ -828,7 +830,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ), }; - self.session.create_err(errs::AttemptToUseNonConstantValueInConstant { + self.tcx.sess.create_err(errs::AttemptToUseNonConstantValueInConstant { span, with, with_label, @@ -842,7 +844,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { article, shadowed_binding, shadowed_binding_span, - } => self.session.create_err(errs::BindingShadowsSomethingUnacceptable { + } => self.tcx.sess.create_err(errs::BindingShadowsSomethingUnacceptable { span, shadowing_binding, shadowed_binding, @@ -859,13 +861,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { name, }), ResolutionError::ForwardDeclaredGenericParam => { - self.session.create_err(errs::ForwardDeclaredGenericParam { span }) + self.tcx.sess.create_err(errs::ForwardDeclaredGenericParam { span }) } ResolutionError::ParamInTyOfConstParam(name) => { - self.session.create_err(errs::ParamInTyOfConstParam { span, name }) + self.tcx.sess.create_err(errs::ParamInTyOfConstParam { span, name }) } ResolutionError::ParamInNonTrivialAnonConst { name, is_type } => { - self.session.create_err(errs::ParamInNonTrivialAnonConst { + self.tcx.sess.create_err(errs::ParamInNonTrivialAnonConst { span, name, sub_is_type: if is_type { @@ -874,13 +876,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { errs::ParamInNonTrivialAnonConstIsType::NotAType { name } }, help: self - .session + .tcx + .sess .is_nightly_build() .then_some(errs::ParamInNonTrivialAnonConstHelp), }) } ResolutionError::SelfInGenericParamDefault => { - self.session.create_err(errs::SelfInGenericParamDefault { span }) + self.tcx.sess.create_err(errs::SelfInGenericParamDefault { span }) } ResolutionError::UnreachableLabel { name, definition_span, suggestion } => { let ((sub_suggestion_label, sub_suggestion), sub_unreachable_label) = @@ -908,7 +911,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // No similarly-named labels exist. None => ((None, None), None), }; - self.session.create_err(errs::UnreachableLabel { + self.tcx.sess.create_err(errs::UnreachableLabel { span, name, definition_span, @@ -924,7 +927,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { trait_item_span, trait_path, } => { - let mut err = self.session.struct_span_err_with_code( + let mut err = self.tcx.sess.struct_span_err_with_code( span, &format!( "item `{}` is an associated {}, which doesn't match its trait `{}`", @@ -937,9 +940,12 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { err } ResolutionError::TraitImplDuplicate { name, trait_item_span, old_span } => self - .session + .tcx + .sess .create_err(errs::TraitImplDuplicate { span, name, trait_item_span, old_span }), - ResolutionError::InvalidAsmSym => self.session.create_err(errs::InvalidAsmSym { span }), + ResolutionError::InvalidAsmSym => { + self.tcx.sess.create_err(errs::InvalidAsmSym { span }) + } } } @@ -949,7 +955,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ) -> ErrorGuaranteed { match vis_resolution_error { VisResolutionError::Relative2018(span, path) => { - self.session.create_err(errs::Relative2018 { + self.tcx.sess.create_err(errs::Relative2018 { span, path_span: path.span, // intentionally converting to String, as the text would also be used as @@ -958,18 +964,20 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }) } VisResolutionError::AncestorOnly(span) => { - self.session.create_err(errs::AncestorOnly(span)) + self.tcx.sess.create_err(errs::AncestorOnly(span)) } VisResolutionError::FailedToResolve(span, label, suggestion) => { self.into_struct_error(span, ResolutionError::FailedToResolve { label, suggestion }) } VisResolutionError::ExpectedFound(span, path_str, res) => { - self.session.create_err(errs::ExpectedFound { span, res, path_str }) + self.tcx.sess.create_err(errs::ExpectedFound { span, res, path_str }) } VisResolutionError::Indeterminate(span) => { - self.session.create_err(errs::Indeterminate(span)) + self.tcx.sess.create_err(errs::Indeterminate(span)) + } + VisResolutionError::ModuleOnly(span) => { + self.tcx.sess.create_err(errs::ModuleOnly(span)) } - VisResolutionError::ModuleOnly(span) => self.session.create_err(errs::ModuleOnly(span)), } .emit() } @@ -1206,7 +1214,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // a note about editions let note = if let Some(did) = did { let requires_note = !did.is_local() - && this.cstore().item_attrs_untracked(did, this.session).any( + && this.cstore().item_attrs_untracked(did, this.tcx.sess).any( |attr| { if attr.has_name(sym::rustc_diagnostic_item) { [sym::TryInto, sym::TryFrom, sym::FromIterator] @@ -1304,7 +1312,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // otherwise cause duplicate suggestions. continue; } - let crate_id = self.crate_loader().maybe_process_path_extern(ident.name); + let crate_id = self.crate_loader(|c| c.maybe_process_path_extern(ident.name)); if let Some(crate_id) = crate_id { let crate_root = self.expect_module(crate_id.as_def_id()); suggestions.extend(self.lookup_import_candidates_from_module( @@ -1341,8 +1349,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let import_suggestions = self.lookup_import_candidates(ident, Namespace::MacroNS, parent_scope, is_expected); show_candidates( - &self.session, - &self.untracked.source_span, + self.tcx, err, None, &import_suggestions, @@ -1366,7 +1373,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { && let ModuleKind::Def(DefKind::Enum, def_id, _) = parent_scope.module.kind && let Some(span) = self.opt_span(def_id) { - let source_map = self.session.source_map(); + let source_map = self.tcx.sess.source_map(); let head_span = source_map.guess_head_span(span); if let Ok(head) = source_map.span_to_snippet(head_span) { err.span_suggestion(head_span, "consider adding a derive", format!("#[derive(Default)]\n{head}"), Applicability::MaybeIncorrect); @@ -1443,7 +1450,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }; let def_span = suggestion.res.opt_def_id().and_then(|def_id| match def_id.krate { LOCAL_CRATE => self.opt_span(def_id), - _ => Some(self.cstore().get_span_untracked(def_id, self.session)), + _ => Some(self.cstore().get_span_untracked(def_id, self.tcx.sess)), }); if let Some(def_span) = def_span { if span.overlaps(def_span) { @@ -1473,7 +1480,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { }; err.span_label( - self.session.source_map().guess_head_span(def_span), + self.tcx.sess.source_map().guess_head_span(def_span), &format!( "{}{} `{}` defined here", prefix, @@ -1498,7 +1505,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { fn binding_description(&self, b: &NameBinding<'_>, ident: Ident, from_prelude: bool) -> String { let res = b.res(); - if b.span.is_dummy() || !self.session.source_map().is_span_accessible(b.span) { + if b.span.is_dummy() || !self.tcx.sess.source_map().is_span_accessible(b.span) { // These already contain the "built-in" prefix or look bad with it. let add_built_in = !matches!(b.res(), Res::NonMacroAttr(..) | Res::PrimTy(..) | Res::ToolMod); @@ -1506,7 +1513,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ("", " from prelude") } else if b.is_extern_crate() && !b.is_import() - && self.session.opts.externs.get(ident.as_str()).is_some() + && self.tcx.sess.opts.externs.get(ident.as_str()).is_some() { ("", " passed with `--extern`") } else if add_built_in { @@ -1532,7 +1539,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { (b1, b2, misc1, misc2, false) }; - let mut err = struct_span_err!(self.session, ident.span, E0659, "`{ident}` is ambiguous"); + let mut err = struct_span_err!(self.tcx.sess, ident.span, E0659, "`{ident}` is ambiguous"); err.span_label(ident.span, "ambiguous name"); err.note(&format!("ambiguous because of {}", kind.descr())); @@ -1604,7 +1611,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // Print the primary message. let descr = get_descr(binding); let mut err = - struct_span_err!(self.session, ident.span, E0603, "{} `{}` is private", descr, ident); + struct_span_err!(self.tcx.sess, ident.span, E0603, "{} `{}` is private", descr, ident); err.span_label(ident.span, &format!("private {}", descr)); if let Some(span) = ctor_fields_span { err.span_label(span, "a constructor is private if any of the fields is private"); @@ -1650,7 +1657,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { which = if first { "" } else { " which" }, dots = if next_binding.is_some() { "..." } else { "" }, ); - let def_span = self.session.source_map().guess_head_span(binding.span); + let def_span = self.tcx.sess.source_map().guess_head_span(binding.span); let mut note_span = MultiSpan::from_span(def_span); if !first && binding.vis.is_public() { note_span.push_span_label(def_span, "consider importing it directly"); @@ -1719,7 +1726,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Applicability::MaybeIncorrect, )), ) - } else if self.session.is_rust_2015() { + } else if self.tcx.sess.is_rust_2015() { ( format!("maybe a missing crate `{ident}`?"), Some(( @@ -1738,7 +1745,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let parent = match parent { // ::foo is mounted at the crate root for 2015, and is the extern // prelude for 2018+ - kw::PathRoot if self.session.edition() > Edition::Edition2015 => { + kw::PathRoot if self.tcx.sess.edition() > Edition::Edition2015 => { "the list of imported crates".to_owned() } kw::PathRoot | kw::Crate => "the crate root".to_owned(), @@ -1797,7 +1804,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { found("module") } else { match binding.res() { - Res::Def(kind, id) => found(kind.descr(id)), + Res::Def(kind, id) => found(self.tcx.def_kind_descr(kind, id)), _ => found(ns_to_try.descr()), } } @@ -1881,15 +1888,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { (format!("use of undeclared crate or module `{}`", ident), suggestion) } } -} -impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { /// Adds suggestions for a path that cannot be resolved. pub(crate) fn make_path_suggestion( &mut self, span: Span, mut path: Vec<Segment>, - parent_scope: &ParentScope<'b>, + parent_scope: &ParentScope<'a>, ) -> Option<(Vec<Segment>, Option<String>)> { debug!("make_path_suggestion: span={:?} path={:?}", span, path); @@ -1924,11 +1929,11 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { fn make_missing_self_suggestion( &mut self, mut path: Vec<Segment>, - parent_scope: &ParentScope<'b>, + parent_scope: &ParentScope<'a>, ) -> Option<(Vec<Segment>, Option<String>)> { // Replace first ident with `self` and check if that is valid. path[0].ident.name = kw::SelfLower; - let result = self.r.maybe_resolve_path(&path, None, parent_scope); + let result = self.maybe_resolve_path(&path, None, parent_scope); debug!("make_missing_self_suggestion: path={:?} result={:?}", path, result); if let PathResult::Module(..) = result { Some((path, None)) } else { None } } @@ -1943,11 +1948,11 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { fn make_missing_crate_suggestion( &mut self, mut path: Vec<Segment>, - parent_scope: &ParentScope<'b>, + parent_scope: &ParentScope<'a>, ) -> Option<(Vec<Segment>, Option<String>)> { // Replace first ident with `crate` and check if that is valid. path[0].ident.name = kw::Crate; - let result = self.r.maybe_resolve_path(&path, None, parent_scope); + let result = self.maybe_resolve_path(&path, None, parent_scope); debug!("make_missing_crate_suggestion: path={:?} result={:?}", path, result); if let PathResult::Module(..) = result { Some(( @@ -1974,11 +1979,11 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { fn make_missing_super_suggestion( &mut self, mut path: Vec<Segment>, - parent_scope: &ParentScope<'b>, + parent_scope: &ParentScope<'a>, ) -> Option<(Vec<Segment>, Option<String>)> { // Replace first ident with `crate` and check if that is valid. path[0].ident.name = kw::Super; - let result = self.r.maybe_resolve_path(&path, None, parent_scope); + let result = self.maybe_resolve_path(&path, None, parent_scope); debug!("make_missing_super_suggestion: path={:?} result={:?}", path, result); if let PathResult::Module(..) = result { Some((path, None)) } else { None } } @@ -1996,7 +2001,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { fn make_external_crate_suggestion( &mut self, mut path: Vec<Segment>, - parent_scope: &ParentScope<'b>, + parent_scope: &ParentScope<'a>, ) -> Option<(Vec<Segment>, Option<String>)> { if path[1].ident.span.is_rust_2015() { return None; @@ -2006,13 +2011,13 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // 1) some consistent ordering for emitted diagnostics, and // 2) `std` suggestions before `core` suggestions. let mut extern_crate_names = - self.r.extern_prelude.iter().map(|(ident, _)| ident.name).collect::<Vec<_>>(); + self.extern_prelude.iter().map(|(ident, _)| ident.name).collect::<Vec<_>>(); extern_crate_names.sort_by(|a, b| b.as_str().partial_cmp(a.as_str()).unwrap()); for name in extern_crate_names.into_iter() { // Replace first ident with a crate name and check if that is valid. path[0].ident.name = name; - let result = self.r.maybe_resolve_path(&path, None, parent_scope); + let result = self.maybe_resolve_path(&path, None, parent_scope); debug!( "make_external_crate_suggestion: name={:?} path={:?} result={:?}", name, path, result @@ -2039,8 +2044,8 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { /// ``` pub(crate) fn check_for_module_export_macro( &mut self, - import: &'b Import<'b>, - module: ModuleOrUniformRoot<'b>, + import: &'a Import<'a>, + module: ModuleOrUniformRoot<'a>, ident: Ident, ) -> Option<(Option<Suggestion>, Option<String>)> { let ModuleOrUniformRoot::Module(mut crate_module) = module else { @@ -2057,8 +2062,8 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { return None; } - let resolutions = self.r.resolutions(crate_module).borrow(); - let resolution = resolutions.get(&self.r.new_key(ident, MacroNS))?; + let resolutions = self.resolutions(crate_module).borrow(); + let resolution = resolutions.get(&self.new_key(ident, MacroNS))?; let binding = resolution.borrow().binding()?; if let Res::Def(DefKind::Macro(MacroKind::Bang), _) = binding.res() { let module_name = crate_module.kind.name().unwrap(); @@ -2079,7 +2084,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // ie. `use a::b::{c, d, e};` // ^^^ let (found_closing_brace, binding_span) = find_span_of_binding_until_next_binding( - self.r.session, + self.tcx.sess, import.span, import.use_span, ); @@ -2098,7 +2103,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // ie. `use a::b::{c, d};` // ^^^ if let Some(previous_span) = - extend_span_to_previous_binding(self.r.session, binding_span) + extend_span_to_previous_binding(self.tcx.sess, binding_span) { debug!("check_for_module_export_macro: previous_span={:?}", previous_span); removal_span = removal_span.with_lo(previous_span.lo()); @@ -2116,7 +2121,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // or `use a::{b, c, d}};` // ^^^^^^^^^^^ let (has_nested, after_crate_name) = find_span_immediately_after_crate_name( - self.r.session, + self.tcx.sess, module_name, import.use_span, ); @@ -2125,7 +2130,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { has_nested, after_crate_name ); - let source_map = self.r.session.source_map(); + let source_map = self.tcx.sess.source_map(); // Make sure this is actually crate-relative. let is_definitely_crate = import @@ -2347,8 +2352,7 @@ pub(crate) enum DiagnosticMode { } pub(crate) fn import_candidates( - session: &Session, - source_span: &IndexVec<LocalDefId, Span>, + tcx: TyCtxt<'_>, err: &mut Diagnostic, // This is `None` if all placement locations are inside expansions use_placement_span: Option<Span>, @@ -2357,8 +2361,7 @@ pub(crate) fn import_candidates( append: &str, ) { show_candidates( - session, - source_span, + tcx, err, use_placement_span, candidates, @@ -2374,8 +2377,7 @@ pub(crate) fn import_candidates( /// entities with that name in all crates. This method allows outputting the /// results of this search in a programmer-friendly way fn show_candidates( - session: &Session, - source_span: &IndexVec<LocalDefId, Span>, + tcx: TyCtxt<'_>, err: &mut Diagnostic, // This is `None` if all placement locations are inside expansions use_placement_span: Option<Span>, @@ -2500,8 +2502,8 @@ fn show_candidates( ); if let Some(local_def_id) = def_id.and_then(|did| did.as_local()) { - let span = source_span[local_def_id]; - let span = session.source_map().guess_head_span(span); + let span = tcx.source_span(local_def_id); + let span = tcx.sess.source_map().guess_head_span(span); let mut multi_span = MultiSpan::from_span(span); multi_span.push_span_label(span, "not accessible"); err.span_note(multi_span, &msg); @@ -2531,8 +2533,8 @@ fn show_candidates( let mut spans = Vec::new(); for (name, _, def_id, _) in &inaccessible_path_strings { if let Some(local_def_id) = def_id.and_then(|did| did.as_local()) { - let span = source_span[local_def_id]; - let span = session.source_map().guess_head_span(span); + let span = tcx.source_span(local_def_id); + let span = tcx.sess.source_map().guess_head_span(span); spans.push((name, span)); } else { if !has_colon { diff --git a/compiler/rustc_resolve/src/effective_visibilities.rs b/compiler/rustc_resolve/src/effective_visibilities.rs index 0079c3e526d..7bd90d7e345 100644 --- a/compiler/rustc_resolve/src/effective_visibilities.rs +++ b/compiler/rustc_resolve/src/effective_visibilities.rs @@ -1,4 +1,4 @@ -use crate::{NameBinding, NameBindingKind, Resolver, ResolverTree}; +use crate::{NameBinding, NameBindingKind, Resolver}; use rustc_ast::ast; use rustc_ast::visit; use rustc_ast::visit::Visitor; @@ -7,8 +7,8 @@ use rustc_ast::EnumDef; use rustc_data_structures::intern::Interned; use rustc_hir::def_id::LocalDefId; use rustc_hir::def_id::CRATE_DEF_ID; +use rustc_middle::middle::privacy::Level; use rustc_middle::middle::privacy::{EffectiveVisibilities, EffectiveVisibility}; -use rustc_middle::middle::privacy::{IntoDefIdTree, Level}; use rustc_middle::ty::{DefIdTree, Visibility}; use std::mem; @@ -67,13 +67,6 @@ impl Resolver<'_, '_> { } } -impl<'a, 'b, 'tcx> IntoDefIdTree for &'b mut Resolver<'a, 'tcx> { - type Tree = &'b Resolver<'a, 'tcx>; - fn tree(self) -> Self::Tree { - self - } -} - impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> { /// Fills the `Resolver::effective_visibilities` table with public & exported items /// For now, this doesn't resolve macros (FIXME) and cannot resolve Impl, as we @@ -107,11 +100,7 @@ impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> { for (binding, eff_vis) in visitor.import_effective_visibilities.iter() { let NameBindingKind::Import { import, .. } = binding.kind else { unreachable!() }; if let Some(node_id) = import.id() { - r.effective_visibilities.update_eff_vis( - r.local_def_id(node_id), - eff_vis, - ResolverTree(&r.untracked), - ) + r.effective_visibilities.update_eff_vis(r.local_def_id(node_id), eff_vis, r.tcx) } } @@ -167,26 +156,28 @@ impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> { let nominal_vis = binding.vis.expect_local(); let private_vis = self.cheap_private_vis(parent_id); let inherited_eff_vis = self.effective_vis_or_private(parent_id); + let tcx = self.r.tcx; self.changed |= self.import_effective_visibilities.update( binding, nominal_vis, - |r| (private_vis.unwrap_or_else(|| r.private_vis_import(binding)), r), + || private_vis.unwrap_or_else(|| self.r.private_vis_import(binding)), inherited_eff_vis, parent_id.level(), - &mut *self.r, + tcx, ); } fn update_def(&mut self, def_id: LocalDefId, nominal_vis: Visibility, parent_id: ParentId<'a>) { let private_vis = self.cheap_private_vis(parent_id); let inherited_eff_vis = self.effective_vis_or_private(parent_id); + let tcx = self.r.tcx; self.changed |= self.def_effective_visibilities.update( def_id, nominal_vis, - |r| (private_vis.unwrap_or_else(|| r.private_vis_def(def_id)), r), + || private_vis.unwrap_or_else(|| self.r.private_vis_def(def_id)), inherited_eff_vis, parent_id.level(), - &mut *self.r, + tcx, ); } diff --git a/compiler/rustc_resolve/src/errors.rs b/compiler/rustc_resolve/src/errors.rs index 2c442774667..867363f4246 100644 --- a/compiler/rustc_resolve/src/errors.rs +++ b/compiler/rustc_resolve/src/errors.rs @@ -38,7 +38,7 @@ pub(crate) struct NameAlreadyUsedInParameterList { #[primary_span] #[label] pub(crate) span: Span, - #[label(first_use_of_name)] + #[label(resolve_first_use_of_name)] pub(crate) first_use_span: Span, pub(crate) name: Symbol, } @@ -121,7 +121,7 @@ pub(crate) struct VariableBoundWithDifferentMode { #[primary_span] #[label] pub(crate) span: Span, - #[label(first_binding_span)] + #[label(resolve_first_binding_span)] pub(crate) first_binding_span: Span, pub(crate) variable_name: Symbol, } @@ -293,7 +293,7 @@ pub(crate) struct BindingShadowsSomethingUnacceptable<'a> { pub(crate) article: &'a str, #[subdiagnostic] pub(crate) sub_suggestion: Option<BindingShadowsSomethingUnacceptableSuggestion>, - #[label(label_shadowed_binding)] + #[label(resolve_label_shadowed_binding)] pub(crate) shadowed_binding_span: Span, pub(crate) participle: &'a str, pub(crate) name: Symbol, @@ -369,7 +369,7 @@ pub(crate) struct UnreachableLabel { #[label] pub(crate) span: Span, pub(crate) name: Symbol, - #[label(label_definition_span)] + #[label(resolve_label_definition_span)] pub(crate) definition_span: Span, #[subdiagnostic] pub(crate) sub_suggestion: Option<UnreachableLabelSubSuggestion>, @@ -413,7 +413,7 @@ pub(crate) struct TraitImplMismatch { pub(crate) span: Span, pub(crate) name: Symbol, pub(crate) kind: String, - #[label(label_trait_item)] + #[label(resolve_label_trait_item)] pub(crate) trait_item_span: Span, pub(crate) trait_path: String, pub(crate) code: String, @@ -434,9 +434,9 @@ pub(crate) struct TraitImplDuplicate { #[primary_span] #[label] pub(crate) span: Span, - #[label(old_span_label)] + #[label(resolve_old_span_label)] pub(crate) old_span: Span, - #[label(trait_item_span)] + #[label(resolve_trait_item_span)] pub(crate) trait_item_span: Span, pub(crate) name: Symbol, } diff --git a/compiler/rustc_resolve/src/ident.rs b/compiler/rustc_resolve/src/ident.rs index 61a48b109b2..ba7f04239c3 100644 --- a/compiler/rustc_resolve/src/ident.rs +++ b/compiler/rustc_resolve/src/ident.rs @@ -1179,7 +1179,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } ConstantItemRibKind(trivial, _) => { - let features = self.session.features_untracked(); + let features = self.tcx.sess.features_untracked(); // HACK(min_const_generics): We currently only allow `N` or `{ N }`. if !(trivial == ConstantHasGenerics::Yes || features.generic_const_exprs) @@ -1208,7 +1208,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { is_type: true, }, ); - self.session.delay_span_bug(span, CG_BUG_STR); + self.tcx.sess.delay_span_bug(span, CG_BUG_STR); } return Res::Err; @@ -1255,7 +1255,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { | ForwardGenericParamBanRibKind => continue, ConstantItemRibKind(trivial, _) => { - let features = self.session.features_untracked(); + let features = self.tcx.sess.features_untracked(); // HACK(min_const_generics): We currently only allow `N` or `{ N }`. if !(trivial == ConstantHasGenerics::Yes || features.generic_const_exprs) @@ -1268,7 +1268,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { is_type: false, }, ); - self.session.delay_span_bug(span, CG_BUG_STR); + self.tcx.sess.delay_span_bug(span, CG_BUG_STR); } return Res::Err; @@ -1397,7 +1397,9 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { module = Some(ModuleOrUniformRoot::ExternPrelude); continue; } - if name == kw::PathRoot && ident.span.is_rust_2015() && self.session.rust_2018() + if name == kw::PathRoot + && ident.span.is_rust_2015() + && self.tcx.sess.rust_2018() { // `::a::b` from 2015 macro on 2018 global edition module = Some(ModuleOrUniformRoot::CrateRootAndExternPrelude); @@ -1494,7 +1496,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { record_segment_res(self, res); } else if res == Res::ToolMod && i + 1 != path.len() { if binding.is_import() { - self.session + self.tcx + .sess .struct_span_err( ident.span, "cannot use a tool module through an import", diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index da3e5095e53..4dab0836d28 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -21,8 +21,8 @@ use rustc_middle::span_bug; use rustc_middle::ty; use rustc_session::lint::builtin::{PUB_USE_OF_PRIVATE_EXTERN_CRATE, UNUSED_IMPORTS}; use rustc_session::lint::BuiltinLintDiagnostics; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::hygiene::LocalExpnId; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::Span; @@ -210,6 +210,17 @@ impl<'a> NameResolution<'a> { } } +/// An error that may be transformed into a diagnostic later. Used to combine multiple unresolved +/// import errors within the same use tree into a single diagnostic. +#[derive(Debug, Clone)] +struct UnresolvedImportError { + span: Span, + label: Option<String>, + note: Option<String>, + suggestion: Option<Suggestion>, + candidates: Option<Vec<ImportSuggestion>>, +} + // Reexports of the form `pub use foo as bar;` where `foo` is `extern crate foo;` // are permitted for backward-compatibility under a deprecation lint. fn pub_use_of_private_extern_crate_hack(import: &Import<'_>, binding: &NameBinding<'_>) -> bool { @@ -392,24 +403,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } } } -} - -/// An error that may be transformed into a diagnostic later. Used to combine multiple unresolved -/// import errors within the same use tree into a single diagnostic. -#[derive(Debug, Clone)] -struct UnresolvedImportError { - span: Span, - label: Option<String>, - note: Option<String>, - suggestion: Option<Suggestion>, - candidates: Option<Vec<ImportSuggestion>>, -} - -pub(crate) struct ImportResolver<'a, 'b, 'tcx> { - pub r: &'a mut Resolver<'b, 'tcx>, -} -impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // Import resolution // // This is a fixed-point algorithm. We resolve imports until our efforts @@ -421,28 +415,28 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { /// Resolves all imports for the crate. This method performs the fixed- /// point iteration. pub(crate) fn resolve_imports(&mut self) { - let mut prev_num_indeterminates = self.r.indeterminate_imports.len() + 1; - while self.r.indeterminate_imports.len() < prev_num_indeterminates { - prev_num_indeterminates = self.r.indeterminate_imports.len(); - for import in mem::take(&mut self.r.indeterminate_imports) { + let mut prev_num_indeterminates = self.indeterminate_imports.len() + 1; + while self.indeterminate_imports.len() < prev_num_indeterminates { + prev_num_indeterminates = self.indeterminate_imports.len(); + for import in mem::take(&mut self.indeterminate_imports) { match self.resolve_import(&import) { - true => self.r.determined_imports.push(import), - false => self.r.indeterminate_imports.push(import), + true => self.determined_imports.push(import), + false => self.indeterminate_imports.push(import), } } } } pub(crate) fn finalize_imports(&mut self) { - for module in self.r.arenas.local_modules().iter() { + for module in self.arenas.local_modules().iter() { self.finalize_resolutions_in(module); } let mut seen_spans = FxHashSet::default(); let mut errors = vec![]; let mut prev_root_id: NodeId = NodeId::from_u32(0); - let determined_imports = mem::take(&mut self.r.determined_imports); - let indeterminate_imports = mem::take(&mut self.r.indeterminate_imports); + let determined_imports = mem::take(&mut self.determined_imports); + let indeterminate_imports = mem::take(&mut self.indeterminate_imports); for (is_indeterminate, import) in determined_imports .into_iter() @@ -453,7 +447,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // If this import is unresolved then create a dummy import // resolution for it so that later resolve stages won't complain. - self.r.import_dummy_binding(import); + self.import_dummy_binding(import); if let Some(err) = unresolved_import_error { if let ImportKind::Single { source, ref source_bindings, .. } = import.kind { @@ -526,7 +520,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { .collect::<Vec<_>>(); let msg = format!("unresolved import{} {}", pluralize!(paths.len()), paths.join(", "),); - let mut diag = struct_span_err!(self.r.session, span, E0432, "{}", &msg); + let mut diag = struct_span_err!(self.tcx.sess, span, E0432, "{}", &msg); if let Some((_, UnresolvedImportError { note: Some(note), .. })) = errors.iter().last() { diag.note(note); @@ -548,8 +542,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { if let Some(candidates) = &err.candidates { match &import.kind { ImportKind::Single { nested: false, source, target, .. } => import_candidates( - self.r.session, - &self.r.untracked.source_span, + self.tcx, &mut diag, Some(err.span), &candidates, @@ -561,8 +554,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { ), ImportKind::Single { nested: true, source, target, .. } => { import_candidates( - self.r.session, - &self.r.untracked.source_span, + self.tcx, &mut diag, None, &candidates, @@ -583,7 +575,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { /// Attempts to resolve the given import, returning true if its resolution is determined. /// If successful, the resolved bindings are written into the module. - fn resolve_import(&mut self, import: &'b Import<'b>) -> bool { + fn resolve_import(&mut self, import: &'a Import<'a>) -> bool { debug!( "(resolving import for module) resolving import `{}::...` in `{}`", Segment::names_to_string(&import.module_path), @@ -596,8 +588,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // For better failure detection, pretend that the import will // not define any names while resolving its module path. let orig_vis = import.vis.take(); - let path_res = - self.r.maybe_resolve_path(&import.module_path, None, &import.parent_scope); + let path_res = self.maybe_resolve_path(&import.module_path, None, &import.parent_scope); import.vis.set(orig_vis); match path_res { @@ -625,7 +616,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { }; let mut indeterminate = false; - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if !type_ns_only || ns == TypeNS { if let Err(Undetermined) = source_bindings[ns].get() { // For better failure detection, pretend that the import will @@ -658,7 +649,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { source_binding @ (Ok(..) | Err(Determined)) => { if source_binding.is_ok() { let msg = format!("`{}` is not directly importable", target); - struct_span_err!(this.session, import.span, E0253, "{}", &msg) + struct_span_err!(this.tcx.sess, import.span, E0253, "{}", &msg) .span_label(import.span, "cannot be imported directly") .emit(); } @@ -678,15 +669,15 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { /// /// Optionally returns an unresolved import error. This error is buffered and used to /// consolidate multiple unresolved import errors into a single diagnostic. - fn finalize_import(&mut self, import: &'b Import<'b>) -> Option<UnresolvedImportError> { + fn finalize_import(&mut self, import: &'a Import<'a>) -> Option<UnresolvedImportError> { let orig_vis = import.vis.take(); let ignore_binding = match &import.kind { ImportKind::Single { target_bindings, .. } => target_bindings[TypeNS].get(), _ => None, }; - let prev_ambiguity_errors_len = self.r.ambiguity_errors.len(); + let prev_ambiguity_errors_len = self.ambiguity_errors.len(); let finalize = Finalize::with_root_span(import.root_id, import.span, import.root_span); - let path_res = self.r.resolve_path( + let path_res = self.resolve_path( &import.module_path, None, &import.parent_scope, @@ -694,7 +685,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { ignore_binding, ); - let no_ambiguity = self.r.ambiguity_errors.len() == prev_ambiguity_errors_len; + let no_ambiguity = self.ambiguity_errors.len() == prev_ambiguity_errors_len; import.vis.set(orig_vis); let module = match path_res { PathResult::Module(module) => { @@ -703,10 +694,10 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { if !ModuleOrUniformRoot::same_def(module, initial_module) && no_ambiguity { span_bug!(import.span, "inconsistent resolution for an import"); } - } else if self.r.privacy_errors.is_empty() { + } else if self.privacy_errors.is_empty() { let msg = "cannot determine resolution for the import"; let msg_note = "import resolution is stuck, try simplifying other imports"; - self.r.session.struct_span_err(import.span, msg).note(msg_note).emit(); + self.tcx.sess.struct_span_err(import.span, msg).note(msg_note).emit(); } module @@ -714,8 +705,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { PathResult::Failed { is_error_from_last_segment: false, span, label, suggestion } => { if no_ambiguity { assert!(import.imported_module.get().is_none()); - self.r - .report_error(span, ResolutionError::FailedToResolve { label, suggestion }); + self.report_error(span, ResolutionError::FailedToResolve { label, suggestion }); } return None; } @@ -777,7 +767,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // 2 segments, so the `resolve_path` above won't trigger it. let mut full_path = import.module_path.clone(); full_path.push(Segment::from_ident(Ident::empty())); - self.r.lint_if_path_starts_with_module(Some(finalize), &full_path, None); + self.lint_if_path_starts_with_module(Some(finalize), &full_path, None); } if let ModuleOrUniformRoot::Module(module) = module { @@ -796,10 +786,10 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { } if !is_prelude && let Some(max_vis) = max_vis.get() - && !max_vis.is_at_least(import.expect_vis(), &*self.r) + && !max_vis.is_at_least(import.expect_vis(), &*self) { let msg = "glob import doesn't reexport anything because no candidate is public enough"; - self.r.lint_buffer.buffer_lint(UNUSED_IMPORTS, id, import.span, msg); + self.lint_buffer.buffer_lint(UNUSED_IMPORTS, id, import.span, msg); } return None; } @@ -807,7 +797,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { }; let mut all_ns_err = true; - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if !type_ns_only || ns == TypeNS { let orig_vis = import.vis.take(); let binding = this.resolve_ident_in_module( @@ -859,7 +849,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { let msg = "cannot determine resolution for the import"; let msg_note = "import resolution is stuck, try simplifying other imports"; - this.session.struct_span_err(import.span, msg).note(msg_note).emit(); + this.tcx.sess.struct_span_err(import.span, msg).note(msg_note).emit(); } } Err(..) => { @@ -876,7 +866,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { if all_ns_err { let mut all_ns_failed = true; - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if !type_ns_only || ns == TypeNS { let binding = this.resolve_ident_in_module( module, @@ -894,9 +884,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { return if all_ns_failed { let resolutions = match module { - ModuleOrUniformRoot::Module(module) => { - Some(self.r.resolutions(module).borrow()) - } + ModuleOrUniformRoot::Module(module) => Some(self.resolutions(module).borrow()), _ => None, }; let resolutions = resolutions.as_ref().into_iter().flat_map(|r| r.iter()); @@ -965,7 +953,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { }; let parent_suggestion = - self.r.lookup_import_candidates(ident, TypeNS, &import.parent_scope, |_| true); + self.lookup_import_candidates(ident, TypeNS, &import.parent_scope, |_| true); Some(UnresolvedImportError { span: import.span, @@ -987,7 +975,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { let mut reexport_error = None; let mut any_successful_reexport = false; let mut crate_private_reexport = false; - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if let Ok(binding) = source_bindings[ns].get() { if !binding.vis.is_at_least(import.expect_vis(), &*this) { reexport_error = Some((ns, binding)); @@ -1012,7 +1000,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { `pub`", ident ); - self.r.lint_buffer.buffer_lint( + self.lint_buffer.buffer_lint( PUB_USE_OF_PRIVATE_EXTERN_CRATE, import_id, import.span, @@ -1035,17 +1023,17 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { format!("re-export of private `{}`", ident) }; - struct_span_err!(self.r.session, import.span, E0365, "{}", error_msg) + struct_span_err!(self.tcx.sess, import.span, E0365, "{}", error_msg) .span_label(import.span, label_msg) .note(&format!("consider declaring type or module `{}` with `pub`", ident)) .emit(); } else { let mut err = - struct_span_err!(self.r.session, import.span, E0364, "{error_msg}"); + struct_span_err!(self.tcx.sess, import.span, E0364, "{error_msg}"); match binding.kind { NameBindingKind::Res(Res::Def(DefKind::Macro(_), def_id)) // exclude decl_macro - if self.r.get_macro_by_def_id(def_id).macro_rules => + if self.get_macro_by_def_id(def_id).macro_rules => { err.span_help( binding.span, @@ -1071,7 +1059,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // 2 segments, so the `resolve_path` above won't trigger it. let mut full_path = import.module_path.clone(); full_path.push(Segment::from_ident(ident)); - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if let Ok(binding) = source_bindings[ns].get() { this.lint_if_path_starts_with_module(Some(finalize), &full_path, Some(binding)); } @@ -1081,7 +1069,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // Record what this import resolves to for later uses in documentation, // this may resolve to either a value or a type, but for documentation // purposes it's good enough to just favor one over the other. - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if let Ok(binding) = source_bindings[ns].get() { this.import_res_map.entry(import_id).or_default()[ns] = Some(binding.res()); } @@ -1096,9 +1084,9 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { fn check_for_redundant_imports( &mut self, ident: Ident, - import: &'b Import<'b>, - source_bindings: &PerNS<Cell<Result<&'b NameBinding<'b>, Determinacy>>>, - target_bindings: &PerNS<Cell<Option<&'b NameBinding<'b>>>>, + import: &'a Import<'a>, + source_bindings: &PerNS<Cell<Result<&'a NameBinding<'a>, Determinacy>>>, + target_bindings: &PerNS<Cell<Option<&'a NameBinding<'a>>>>, target: Ident, ) { // This function is only called for single imports. @@ -1119,7 +1107,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { let mut redundant_span = PerNS { value_ns: None, type_ns: None, macro_ns: None }; - self.r.per_ns(|this, ns| { + self.per_ns(|this, ns| { if let Ok(binding) = source_bindings[ns].get() { if binding.res() == Res::Err { return; @@ -1149,7 +1137,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { let mut redundant_spans: Vec<_> = redundant_span.present_items().collect(); redundant_spans.sort(); redundant_spans.dedup(); - self.r.lint_buffer.buffer_lint_with_diagnostic( + self.lint_buffer.buffer_lint_with_diagnostic( UNUSED_IMPORTS, id, import.span, @@ -1159,22 +1147,22 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { } } - fn resolve_glob_import(&mut self, import: &'b Import<'b>) { + fn resolve_glob_import(&mut self, import: &'a Import<'a>) { // This function is only called for glob imports. let ImportKind::Glob { id, is_prelude, .. } = import.kind else { unreachable!() }; let ModuleOrUniformRoot::Module(module) = import.imported_module.get().unwrap() else { - self.r.session.span_err(import.span, "cannot glob-import all possible crates"); + self.tcx.sess.span_err(import.span, "cannot glob-import all possible crates"); return; }; if module.is_trait() { - self.r.session.span_err(import.span, "items in traits are not importable"); + self.tcx.sess.span_err(import.span, "items in traits are not importable"); return; } else if ptr::eq(module, import.parent_scope.module) { return; } else if is_prelude { - self.r.prelude = Some(module); + self.prelude = Some(module); return; } @@ -1184,7 +1172,6 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { // Ensure that `resolutions` isn't borrowed during `try_define`, // since it might get updated via a glob cycle. let bindings = self - .r .resolutions(module) .borrow() .iter() @@ -1194,30 +1181,30 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { .collect::<Vec<_>>(); for (mut key, binding) in bindings { let scope = match key.ident.span.reverse_glob_adjust(module.expansion, import.span) { - Some(Some(def)) => self.r.expn_def_scope(def), + Some(Some(def)) => self.expn_def_scope(def), Some(None) => import.parent_scope.module, None => continue, }; - if self.r.is_accessible_from(binding.vis, scope) { - let imported_binding = self.r.import(binding, import); - let _ = self.r.try_define(import.parent_scope.module, key, imported_binding); + if self.is_accessible_from(binding.vis, scope) { + let imported_binding = self.import(binding, import); + let _ = self.try_define(import.parent_scope.module, key, imported_binding); } } // Record the destination of this import - self.r.record_partial_res(id, PartialRes::new(module.res().unwrap())); + self.record_partial_res(id, PartialRes::new(module.res().unwrap())); } // Miscellaneous post-processing, including recording re-exports, // reporting conflicts, and reporting unresolved imports. - fn finalize_resolutions_in(&mut self, module: Module<'b>) { + fn finalize_resolutions_in(&mut self, module: Module<'a>) { // Since import resolution is finished, globs will not define any more names. *module.globs.borrow_mut() = Vec::new(); if let Some(def_id) = module.opt_def_id() { let mut reexports = Vec::new(); - module.for_each_child(self.r, |this, ident, _, binding| { + module.for_each_child(self, |this, ident, _, binding| { if let Some(res) = this.is_reexport(binding) { reexports.push(ModChild { ident, @@ -1232,7 +1219,7 @@ impl<'a, 'b, 'tcx> ImportResolver<'a, 'b, 'tcx> { if !reexports.is_empty() { // Call to `expect_local` should be fine because current // code is only called for local modules. - self.r.reexport_map.insert(def_id.expect_local(), reexports); + self.reexport_map.insert(def_id.expect_local(), reexports); } } } diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 324de7461cd..7df17376b3e 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -682,7 +682,7 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, // Elided lifetime in reference: we resolve as if there was some lifetime `'_` with // NodeId `ty.id`. // This span will be used in case of elision failure. - let span = self.r.session.source_map().start_point(ty.span); + let span = self.r.tcx.sess.source_map().start_point(ty.span); self.resolve_elided_lifetime(ty.id, span); visit::walk_ty(self, ty); } @@ -1571,7 +1571,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { ("`'_` cannot be used here", "`'_` is a reserved lifetime name") }; let mut diag = rustc_errors::struct_span_err!( - self.r.session, + self.r.tcx.sess, lifetime.ident.span, E0637, "{}", @@ -1748,7 +1748,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { // impl Foo for std::cell::Ref<u32> // note lack of '_ // async fn foo(_: std::cell::Ref<u32>) { ... } LifetimeRibKind::AnonymousCreateParameter { report_in_path: true, .. } => { - let sess = self.r.session; + let sess = self.r.tcx.sess; let mut err = rustc_errors::struct_span_err!( sess, path_span, @@ -2194,7 +2194,8 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { let what = if ns == TypeNS { "type parameters" } else { "local variables" }; if this.should_report_errs() { this.r - .session + .tcx + .sess .span_err(ident.span, &format!("imports cannot refer to {}", what)); } }; @@ -2438,7 +2439,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { if let GenericParamKind::Lifetime = param.kind && let Some(&original) = seen_lifetimes.get(&ident) { - diagnostics::signal_lifetime_shadowing(self.r.session, original, param.ident); + diagnostics::signal_lifetime_shadowing(self.r.tcx.sess, original, param.ident); // Record lifetime res, so lowering knows there is something fishy. self.record_lifetime_param(param.id, LifetimeRes::Error); continue; @@ -2462,7 +2463,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { if param.ident.name == kw::UnderscoreLifetime { rustc_errors::struct_span_err!( - self.r.session, + self.r.tcx.sess, param.ident.span, E0637, "`'_` cannot be used here" @@ -2476,7 +2477,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { if param.ident.name == kw::StaticLifetime { rustc_errors::struct_span_err!( - self.r.session, + self.r.tcx.sess, param.ident.span, E0262, "invalid lifetime parameter name: `{}`", @@ -2506,7 +2507,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { let res = match kind { ItemRibKind(..) | AssocItemRibKind => Res::Def(def_kind, def_id.to_def_id()), NormalRibKind => { - if self.r.session.features_untracked().non_lifetime_binders { + if self.r.tcx.sess.features_untracked().non_lifetime_binders { Res::Def(def_kind, def_id.to_def_id()) } else { Res::Err @@ -3384,7 +3385,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { Res::SelfCtor(_) => { // We resolve `Self` in pattern position as an ident sometimes during recovery, // so delay a bug instead of ICEing. - self.r.session.delay_span_bug( + self.r.tcx.sess.delay_span_bug( ident.span, "unexpected `SelfCtor` in pattern, expected identifier" ); @@ -3664,7 +3665,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { #[inline] /// If we're actually rustdoc then avoid giving a name resolution error for `cfg()` items. fn should_report_errs(&self) -> bool { - !(self.r.session.opts.actually_rustdoc && self.in_func_body) + !(self.r.tcx.sess.opts.actually_rustdoc && self.in_func_body) } // Resolve in alternative namespaces if resolution in the primary namespace fails. @@ -3829,7 +3830,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } if let Ok((_, orig_span)) = self.resolve_label(label.ident) { - diagnostics::signal_label_shadowing(self.r.session, orig_span, label.ident) + diagnostics::signal_label_shadowing(self.r.tcx.sess, orig_span, label.ident) } self.with_label_rib(NormalRibKind, |this| { @@ -4135,9 +4136,9 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { fn record_candidate_traits_for_expr_if_necessary(&mut self, expr: &'ast Expr) { match expr.kind { ExprKind::Field(_, ident) => { - // FIXME(#6890): Even though you can't treat a method like a - // field, we need to add any trait methods we find that match - // the field name so that we can do some nice error reporting + // #6890: Even though you can't treat a method like a field, + // we need to add any trait methods we find that match the + // field name so that we can do some nice error reporting // later on in typeck. let traits = self.traits_in_scope(ident, ValueNS); self.r.trait_map.insert(expr.id, traits); @@ -4211,7 +4212,8 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { if let Some(res) = res && let Some(def_id) = res.opt_def_id() && !def_id.is_local() - && self.r.session.crate_types().contains(&CrateType::ProcMacro) { + && self.r.tcx.sess.crate_types().contains(&CrateType::ProcMacro) + && matches!(self.r.tcx.sess.opts.resolve_doc_links, ResolveDocLinks::ExportedMetadata) { // Encoding foreign def ids in proc macro crate metadata will ICE. return None; } @@ -4223,10 +4225,10 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { } fn resolve_doc_links(&mut self, attrs: &[Attribute], maybe_exported: MaybeExported<'_>) { - match self.r.session.opts.resolve_doc_links { + match self.r.tcx.sess.opts.resolve_doc_links { ResolveDocLinks::None => return, ResolveDocLinks::ExportedMetadata - if !self.r.session.crate_types().iter().copied().any(CrateType::has_metadata) + if !self.r.tcx.sess.crate_types().iter().copied().any(CrateType::has_metadata) || !maybe_exported.eval(self.r) => { return; @@ -4280,7 +4282,11 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { .into_iter() .filter_map(|tr| { if !tr.def_id.is_local() - && self.r.session.crate_types().contains(&CrateType::ProcMacro) + && self.r.tcx.sess.crate_types().contains(&CrateType::ProcMacro) + && matches!( + self.r.tcx.sess.opts.resolve_doc_links, + ResolveDocLinks::ExportedMetadata + ) { // Encoding foreign def ids in proc macro crate metadata will ICE. return None; diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 5205d055cf9..36415936bdc 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -25,9 +25,9 @@ use rustc_middle::ty::DefIdTree; use rustc_session::lint; use rustc_session::parse::feature_err; use rustc_session::Session; +use rustc_span::edit_distance::find_best_match_for_name; use rustc_span::edition::Edition; use rustc_span::hygiene::MacroKind; -use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{BytePos, Span}; @@ -170,7 +170,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { fn def_span(&self, def_id: DefId) -> Option<Span> { match def_id.krate { LOCAL_CRATE => self.r.opt_span(def_id), - _ => Some(self.r.cstore().get_span_untracked(def_id, self.r.session)), + _ => Some(self.r.cstore().get_span_untracked(def_id, self.r.tcx.sess)), } } @@ -200,7 +200,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { Res::Def(DefKind::Fn, _) => { // Verify whether this is a fn call or an Fn used as a type. self.r - .session + .tcx + .sess .source_map() .span_to_snippet(span) .map(|snippet| snippet.ends_with(')')) @@ -255,7 +256,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { }; (String::new(), "this scope".to_string(), suggestion) } else if path.len() == 2 && path[0].ident.name == kw::PathRoot { - if self.r.session.edition() > Edition::Edition2015 { + if self.r.tcx.sess.edition() > Edition::Edition2015 { // In edition 2018 onwards, the `::foo` syntax may only pull from the extern prelude // which overrides all other expectations of item type expected = "crate"; @@ -323,7 +324,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let base_error = self.make_base_error(path, span, source, res); let code = source.error_code(res.is_some()); let mut err = - self.r.session.struct_span_err_with_code(base_error.span, &base_error.msg, code); + self.r.tcx.sess.struct_span_err_with_code(base_error.span, &base_error.msg, code); self.suggest_swapping_misplaced_self_ty_and_trait(&mut err, source, res, base_error.span); @@ -432,7 +433,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { } else { ( self.r - .session + .tcx + .sess .source_map() .span_through_char(*fn_span, '(') .shrink_to_hi(), @@ -505,7 +507,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { { if self .r - .session + .tcx + .sess .parse_sess .type_ascription_path_suggestions .borrow() @@ -542,7 +545,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { } } - // Try Levenshtein algorithm. + // Try finding a suitable replacement. let typo_sugg = self.lookup_typo_candidate(path, source.namespace(), is_expected).to_opt_suggestion(); if path.len() == 1 && self.self_type_is_available() { @@ -596,7 +599,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { if let Some((call_span, args_span)) = self.call_has_self_arg(source) { let mut args_snippet = String::new(); if let Some(args_span) = args_span { - if let Ok(snippet) = self.r.session.source_map().span_to_snippet(args_span) { + if let Ok(snippet) = self.r.tcx.sess.source_map().span_to_snippet(args_span) { args_snippet = snippet; } } @@ -732,7 +735,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let ident_span = path.last().map_or(span, |ident| ident.ident.span); let typo_sugg = self.lookup_typo_candidate(path, source.namespace(), is_expected); let is_in_same_file = &|sp1, sp2| { - let source_map = self.r.session.source_map(); + let source_map = self.r.tcx.sess.source_map(); let file1 = source_map.span_to_filename(sp1); let file2 = source_map.span_to_filename(sp2); file1 == file2 @@ -770,7 +773,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { _ => {} } - // If the trait has a single item (which wasn't matched by Levenshtein), suggest it + // If the trait has a single item (which wasn't matched by the algorithm), suggest it let suggestion = self.get_single_associated_item(&path, &source, is_expected); if !self.r.add_typo_suggestion(err, suggestion, ident_span) { fallback = !self.let_binding_suggestion(err, ident_span); @@ -895,7 +898,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { .map_or(*span, |ident| span.with_lo(ident.span.hi())); ( self.r - .session + .tcx + .sess .source_map() .span_through_char(span, '(') .shrink_to_hi(), @@ -949,9 +953,9 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { && let PathSource::Trait(_) = source && let Some(Res::Def(DefKind::Struct | DefKind::Enum | DefKind::Union, _)) = res && let Ok(self_ty_str) = - self.r.session.source_map().span_to_snippet(self_ty.span) + self.r.tcx.sess.source_map().span_to_snippet(self_ty.span) && let Ok(trait_ref_str) = - self.r.session.source_map().span_to_snippet(trait_ref.path.span) + self.r.tcx.sess.source_map().span_to_snippet(trait_ref.path.span) { err.multipart_suggestion( "`impl` items mention the trait being implemented first and the type it is being implemented for second", @@ -1095,7 +1099,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { format!( "{}: {}<{} = {}>", self.r - .session + .tcx + .sess .source_map() .span_to_snippet(ty.span) // Account for `<&'a T as Foo>::Bar`. .unwrap_or_else(|_| constrain_ident.to_string()), @@ -1164,7 +1169,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { // parser issue where a struct literal is being used on an expression // where a brace being opened means a block is being started. Look // ahead for the next text to see if `span` is followed by a `{`. - let sm = self.r.session.source_map(); + let sm = self.r.tcx.sess.source_map(); let sp = sm.span_look_ahead(span, None, Some(50)); let followed_by_brace = matches!(sm.span_to_snippet(sp), Ok(ref snippet) if snippet == "{"); // In case this could be a struct literal that needs to be surrounded @@ -1212,7 +1217,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { true } else if kind == DefKind::Struct && let Some(lhs_source_span) = lhs_span.find_ancestor_inside(expr.span) - && let Ok(snippet) = self.r.session.source_map().span_to_snippet(lhs_source_span) + && let Ok(snippet) = self.r.tcx.sess.source_map().span_to_snippet(lhs_source_span) { // The LHS is a type that originates from a macro call. // We have to add angle brackets around it. @@ -1352,11 +1357,11 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { } (Res::Def(DefKind::TyAlias, def_id), PathSource::Trait(_)) => { err.span_label(span, "type aliases cannot be used as traits"); - if self.r.session.is_nightly_build() { + if self.r.tcx.sess.is_nightly_build() { let msg = "you might have meant to use `#![feature(trait_alias)]` instead of a \ `type` alias"; if let Some(span) = self.def_span(def_id) { - if let Ok(snip) = self.r.session.source_map().span_to_snippet(span) { + if let Ok(snip) = self.r.tcx.sess.source_map().span_to_snippet(span) { // The span contains a type alias so we should be able to // replace `type` with `trait`. let snip = snip.replacen("type", "trait", 1); @@ -1387,7 +1392,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { .last() .map(|sp| { self.r - .session + .tcx + .sess .parse_sess .type_ascription_path_suggestions .borrow() @@ -1694,8 +1700,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let extern_prelude = self.r.extern_prelude.clone(); names.extend(extern_prelude.iter().flat_map(|(ident, _)| { self.r - .crate_loader() - .maybe_process_path_extern(ident.name) + .crate_loader(|c| c.maybe_process_path_extern(ident.name)) .and_then(|crate_id| { let crate_mod = Res::Def(DefKind::Mod, crate_id.as_def_id()); @@ -1774,12 +1779,12 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { /// Only used in a specific case of type ascription suggestions fn get_colon_suggestion_span(&self, start: Span) -> Span { - let sm = self.r.session.source_map(); + let sm = self.r.tcx.sess.source_map(); start.to(sm.next_point(start)) } fn type_ascription_suggestion(&self, err: &mut Diagnostic, base_span: Span) -> bool { - let sm = self.r.session.source_map(); + let sm = self.r.tcx.sess.source_map(); let base_snippet = sm.span_to_snippet(base_span); if let Some(&sp) = self.diagnostic_metadata.current_type_ascription.last() { if let Ok(snippet) = sm.span_to_snippet(sp) { @@ -1809,7 +1814,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { show_label = false; if !self .r - .session + .tcx + .sess .parse_sess .type_ascription_path_suggestions .borrow_mut() @@ -2272,7 +2278,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { debug_assert_ne!(lifetime_ref.ident.name, kw::UnderscoreLifetime); let mut err = if let Some(outer) = outer_lifetime_ref { let mut err = struct_span_err!( - self.r.session, + self.r.tcx.sess, lifetime_ref.ident.span, E0401, "can't use generic parameters from outer item", @@ -2282,7 +2288,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { err } else { let mut err = struct_span_err!( - self.r.session, + self.r.tcx.sess, lifetime_ref.ident.span, E0261, "use of undeclared lifetime name `{}`", @@ -2340,8 +2346,13 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { ); (span, sugg) } else { - let span = - self.r.session.source_map().span_through_char(span, '<').shrink_to_hi(); + let span = self + .r + .tcx + .sess + .source_map() + .span_through_char(span, '<') + .shrink_to_hi(); let sugg = format!("{}, ", name.unwrap_or("'a")); (span, sugg) }; @@ -2375,7 +2386,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { pub(crate) fn emit_non_static_lt_in_const_generic_error(&self, lifetime_ref: &ast::Lifetime) { struct_span_err!( - self.r.session, + self.r.tcx.sess, lifetime_ref.ident.span, E0771, "use of non-static lifetime `{}` in const generic", @@ -2395,10 +2406,10 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { &self, lifetime_ref: &ast::Lifetime, ) { - let feature_active = self.r.session.features_untracked().generic_const_exprs; + let feature_active = self.r.tcx.sess.features_untracked().generic_const_exprs; if !feature_active { feature_err( - &self.r.session.parse_sess, + &self.r.tcx.sess.parse_sess, sym::generic_const_exprs, lifetime_ref.ident.span, "a non-static lifetime is not allowed in a `const`", @@ -2416,7 +2427,7 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> { let spans: Vec<_> = lifetime_refs.iter().map(|lt| lt.span).collect(); let mut err = struct_span_err!( - self.r.session, + self.r.tcx.sess, spans, E0106, "missing lifetime specifier{}", diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 3db3b76fc26..7a1f14f71f2 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -27,26 +27,28 @@ use rustc_ast::{self as ast, NodeId, CRATE_NODE_ID}; use rustc_ast::{AngleBracketedArg, Crate, Expr, ExprKind, GenericArg, GenericArgs, LitKind, Path}; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap, FxIndexSet}; use rustc_data_structures::intern::Interned; -use rustc_data_structures::sync::{Lrc, RwLock}; -use rustc_errors::{Applicability, DiagnosticBuilder, ErrorGuaranteed}; +use rustc_data_structures::sync::{Lrc, MappedReadGuard}; +use rustc_errors::{ + Applicability, DiagnosticBuilder, DiagnosticMessage, ErrorGuaranteed, SubdiagnosticMessage, +}; use rustc_expand::base::{DeriveResolutions, SyntaxExtension, SyntaxExtensionKind}; use rustc_hir::def::Namespace::{self, *}; use rustc_hir::def::{self, CtorOf, DefKind, DocLinkResMap, LifetimeRes, PartialRes, PerNS}; use rustc_hir::def_id::{CrateNum, DefId, DefIdMap, LocalDefId}; use rustc_hir::def_id::{CRATE_DEF_ID, LOCAL_CRATE}; -use rustc_hir::definitions::{DefPathData, Definitions}; +use rustc_hir::definitions::DefPathData; use rustc_hir::TraitCandidate; use rustc_index::vec::IndexVec; +use rustc_macros::fluent_messages; use rustc_metadata::creader::{CStore, CrateLoader}; use rustc_middle::metadata::ModChild; use rustc_middle::middle::privacy::EffectiveVisibilities; use rustc_middle::span_bug; -use rustc_middle::ty::{self, DefIdTree, MainDefinition, RegisteredTools}; +use rustc_middle::ty::{self, DefIdTree, MainDefinition, RegisteredTools, TyCtxt}; use rustc_middle::ty::{ResolverGlobalCtxt, ResolverOutputs}; use rustc_query_system::ich::StableHashingContext; -use rustc_session::cstore::{CrateStore, MetadataLoaderDyn, Untracked}; +use rustc_session::cstore::CrateStore; use rustc_session::lint::LintBuffer; -use rustc_session::Session; use rustc_span::hygiene::{ExpnId, LocalExpnId, MacroKind, SyntaxContext, Transparency}; use rustc_span::source_map::Spanned; use rustc_span::symbol::{kw, sym, Ident, Symbol}; @@ -58,7 +60,7 @@ use std::collections::BTreeSet; use std::{fmt, ptr}; use diagnostics::{ImportSuggestion, LabelSuggestion, Suggestion}; -use imports::{Import, ImportKind, ImportResolver, NameResolution}; +use imports::{Import, ImportKind, NameResolution}; use late::{HasGenericParams, PathSource, PatternSource}; use macros::{MacroRulesBinding, MacroRulesScope, MacroRulesScopeRef}; @@ -78,6 +80,8 @@ mod late; mod macros; pub mod rustdoc; +fluent_messages! { "../locales/en-US.ftl" } + enum Weak { Yes, No, @@ -865,7 +869,7 @@ struct MacroData { /// /// This is the visitor that walks the whole crate. pub struct Resolver<'a, 'tcx> { - session: &'tcx Session, + tcx: TyCtxt<'tcx>, /// Item with a given `LocalDefId` was defined during macro expansion with ID `ExpnId`. expn_that_defined: FxHashMap<LocalDefId, ExpnId>, @@ -956,9 +960,6 @@ pub struct Resolver<'a, 'tcx> { arenas: &'a ResolverArenas<'a>, dummy_binding: &'a NameBinding<'a>, - local_crate_name: Symbol, - metadata_loader: Box<MetadataLoaderDyn>, - untracked: Untracked, used_extern_options: FxHashSet<Symbol>, macro_names: FxHashSet<Ident>, builtin_macros: FxHashMap<Symbol, BuiltinMacroState>, @@ -1117,27 +1118,10 @@ impl<'a, 'tcx> AsMut<Resolver<'a, 'tcx>> for Resolver<'a, 'tcx> { } } -/// A minimal subset of resolver that can implemenent `DefIdTree`, sometimes -/// required to satisfy borrow checker by avoiding borrowing the whole resolver. -#[derive(Clone, Copy)] -struct ResolverTree<'a>(&'a Untracked); - -impl DefIdTree for ResolverTree<'_> { - #[inline] - fn opt_parent(self, id: DefId) -> Option<DefId> { - let ResolverTree(Untracked { definitions, cstore, .. }) = self; - match id.as_local() { - Some(id) => definitions.read().def_key(id).parent, - None => cstore.as_any().downcast_ref::<CStore>().unwrap().def_key(id).parent, - } - .map(|index| DefId { index, ..id }) - } -} - impl<'a, 'b, 'tcx> DefIdTree for &'a Resolver<'b, 'tcx> { #[inline] fn opt_parent(self, id: DefId) -> Option<DefId> { - ResolverTree(&self.untracked).opt_parent(id) + self.tcx.opt_parent(id) } } @@ -1164,10 +1148,11 @@ impl<'tcx> Resolver<'_, 'tcx> { "adding a def'n for node-id {:?} and data {:?} but a previous def'n exists: {:?}", node_id, data, - self.untracked.definitions.read().def_key(self.node_id_to_def_id[&node_id]), + self.tcx.definitions_untracked().def_key(self.node_id_to_def_id[&node_id]), ); - let def_id = self.untracked.definitions.write().create_def(parent, data); + // FIXME: remove `def_span` body, pass in the right spans here and call `tcx.at().create_def()` + let def_id = self.tcx.untracked().definitions.write().create_def(parent, data); // Create the definition. if expn_id != ExpnId::root() { @@ -1176,7 +1161,7 @@ impl<'tcx> Resolver<'_, 'tcx> { // A relative span's parent must be an absolute span. debug_assert_eq!(span.data_untracked().parent, None); - let _id = self.untracked.source_span.push(span); + let _id = self.tcx.untracked().source_span.push(span); debug_assert_eq!(_id, def_id); // Some things for which we allocate `LocalDefId`s don't correspond to @@ -1195,17 +1180,19 @@ impl<'tcx> Resolver<'_, 'tcx> { if let Some(def_id) = def_id.as_local() { self.item_generics_num_lifetimes[&def_id] } else { - self.cstore().item_generics_num_lifetimes(def_id, self.session) + self.cstore().item_generics_num_lifetimes(def_id, self.tcx.sess) } } + + pub fn tcx(&self) -> TyCtxt<'tcx> { + self.tcx + } } impl<'a, 'tcx> Resolver<'a, 'tcx> { pub fn new( - session: &'tcx Session, + tcx: TyCtxt<'tcx>, krate: &Crate, - crate_name: Symbol, - metadata_loader: Box<MetadataLoaderDyn>, arenas: &'a ResolverArenas<'a>, ) -> Resolver<'a, 'tcx> { let root_def_id = CRATE_DEF_ID.to_def_id(); @@ -1215,7 +1202,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { ModuleKind::Def(DefKind::Mod, root_def_id, kw::Empty), ExpnId::root(), krate.spans.inner_span, - session.contains_name(&krate.attrs, sym::no_implicit_prelude), + tcx.sess.contains_name(&krate.attrs, sym::no_implicit_prelude), &mut module_map, ); let empty_module = arenas.new_module( @@ -1227,8 +1214,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { &mut FxHashMap::default(), ); - let definitions = Definitions::new(session.local_stable_crate_id()); - let mut visibilities = FxHashMap::default(); visibilities.insert(CRATE_DEF_ID, ty::Visibility::Public); @@ -1240,11 +1225,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let mut invocation_parents = FxHashMap::default(); invocation_parents.insert(LocalExpnId::ROOT, (CRATE_DEF_ID, ImplTraitContext::Existential)); - let mut source_span = IndexVec::default(); - let _id = source_span.push(krate.spans.inner_span); - debug_assert_eq!(_id, CRATE_DEF_ID); - - let mut extern_prelude: FxHashMap<Ident, ExternPreludeEntry<'_>> = session + let mut extern_prelude: FxHashMap<Ident, ExternPreludeEntry<'_>> = tcx + .sess .opts .externs .iter() @@ -1252,19 +1234,19 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { .map(|(name, _)| (Ident::from_str(name), Default::default())) .collect(); - if !session.contains_name(&krate.attrs, sym::no_core) { + if !tcx.sess.contains_name(&krate.attrs, sym::no_core) { extern_prelude.insert(Ident::with_dummy_span(sym::core), Default::default()); - if !session.contains_name(&krate.attrs, sym::no_std) { + if !tcx.sess.contains_name(&krate.attrs, sym::no_std) { extern_prelude.insert(Ident::with_dummy_span(sym::std), Default::default()); } } - let registered_tools = macros::registered_tools(session, &krate.attrs); + let registered_tools = macros::registered_tools(tcx.sess, &krate.attrs); - let features = session.features_untracked(); + let features = tcx.sess.features_untracked(); let mut resolver = Resolver { - session, + tcx, expn_that_defined: Default::default(), @@ -1318,23 +1300,16 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { vis: ty::Visibility::Public, }), - metadata_loader, - local_crate_name: crate_name, used_extern_options: Default::default(), - untracked: Untracked { - cstore: Box::new(CStore::new(session)), - source_span, - definitions: RwLock::new(definitions), - }, macro_names: FxHashSet::default(), builtin_macros: Default::default(), builtin_macro_kinds: Default::default(), registered_tools, macro_use_prelude: FxHashMap::default(), macro_map: FxHashMap::default(), - dummy_ext_bang: Lrc::new(SyntaxExtension::dummy_bang(session.edition())), - dummy_ext_derive: Lrc::new(SyntaxExtension::dummy_derive(session.edition())), - non_macro_attr: Lrc::new(SyntaxExtension::non_macro_attr(session.edition())), + dummy_ext_bang: Lrc::new(SyntaxExtension::dummy_bang(tcx.sess.edition())), + dummy_ext_derive: Lrc::new(SyntaxExtension::dummy_derive(tcx.sess.edition())), + non_macro_attr: Lrc::new(SyntaxExtension::non_macro_attr(tcx.sess.edition())), invocation_parent_scopes: Default::default(), output_macro_rules_scopes: Default::default(), macro_rules_scopes: Default::default(), @@ -1430,7 +1405,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let main_def = self.main_def; let confused_type_with_std_module = self.confused_type_with_std_module; let effective_visibilities = self.effective_visibilities; - let untracked = self.untracked; let global_ctxt = ResolverGlobalCtxt { expn_that_defined, visibilities, @@ -1469,26 +1443,21 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { builtin_macro_kinds: self.builtin_macro_kinds, lifetime_elision_allowed: self.lifetime_elision_allowed, }; - ResolverOutputs { global_ctxt, ast_lowering, untracked } + ResolverOutputs { global_ctxt, ast_lowering } } fn create_stable_hashing_context(&self) -> StableHashingContext<'_> { - StableHashingContext::new(self.session, &self.untracked) + StableHashingContext::new(self.tcx.sess, self.tcx.untracked()) } - fn crate_loader(&mut self) -> CrateLoader<'_> { - CrateLoader::new( - &self.session, - &*self.metadata_loader, - self.local_crate_name, - &mut *self.untracked.cstore.untracked_as_any().downcast_mut().unwrap(), - self.untracked.definitions.read(), - &mut self.used_extern_options, - ) + fn crate_loader<T>(&mut self, f: impl FnOnce(&mut CrateLoader<'_, '_>) -> T) -> T { + let mut cstore = self.tcx.untracked().cstore.write(); + let cstore = cstore.untracked_as_any().downcast_mut().unwrap(); + f(&mut CrateLoader::new(self.tcx, &mut *cstore, &mut self.used_extern_options)) } - fn cstore(&self) -> &CStore { - self.untracked.cstore.as_any().downcast_ref().unwrap() + fn cstore(&self) -> MappedReadGuard<'_, CStore> { + CStore::from_tcx(self.tcx) } fn dummy_ext(&self, macro_kind: MacroKind) -> Lrc<SyntaxExtension> { @@ -1521,18 +1490,23 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { /// Entry point to crate resolution. pub fn resolve_crate(&mut self, krate: &Crate) { - self.session.time("resolve_crate", || { - self.session.time("finalize_imports", || ImportResolver { r: self }.finalize_imports()); - self.session.time("compute_effective_visibilities", || { + self.tcx.sess.time("resolve_crate", || { + self.tcx.sess.time("finalize_imports", || self.finalize_imports()); + self.tcx.sess.time("compute_effective_visibilities", || { EffectiveVisibilitiesVisitor::compute_effective_visibilities(self, krate) }); - self.session.time("finalize_macro_resolutions", || self.finalize_macro_resolutions()); - self.session.time("late_resolve_crate", || self.late_resolve_crate(krate)); - self.session.time("resolve_main", || self.resolve_main()); - self.session.time("resolve_check_unused", || self.check_unused(krate)); - self.session.time("resolve_report_errors", || self.report_errors(krate)); - self.session.time("resolve_postprocess", || self.crate_loader().postprocess(krate)); + self.tcx.sess.time("finalize_macro_resolutions", || self.finalize_macro_resolutions()); + self.tcx.sess.time("late_resolve_crate", || self.late_resolve_crate(krate)); + self.tcx.sess.time("resolve_main", || self.resolve_main()); + self.tcx.sess.time("resolve_check_unused", || self.check_unused(krate)); + self.tcx.sess.time("resolve_report_errors", || self.report_errors(krate)); + self.tcx + .sess + .time("resolve_postprocess", || self.crate_loader(|c| c.postprocess(krate))); }); + + // Make sure we don't mutate the cstore from here on. + self.tcx.untracked().cstore.leak(); } fn traits_in_scope( @@ -1871,10 +1845,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } else { let crate_id = if finalize { let Some(crate_id) = - self.crate_loader().process_path_extern(ident.name, ident.span) else { return Some(self.dummy_binding); }; + self.crate_loader(|c| c.process_path_extern(ident.name, ident.span)) else { return Some(self.dummy_binding); }; crate_id } else { - self.crate_loader().maybe_process_path_extern(ident.name)? + self.crate_loader(|c| c.maybe_process_path_extern(ident.name))? }; let crate_root = self.expect_module(crate_id.as_def_id()); let vis = ty::Visibility::<LocalDefId>::Public; @@ -1922,14 +1896,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { /// Retrieves the span of the given `DefId` if `DefId` is in the local crate. #[inline] fn opt_span(&self, def_id: DefId) -> Option<Span> { - def_id.as_local().map(|def_id| self.untracked.source_span[def_id]) + def_id.as_local().map(|def_id| self.tcx.source_span(def_id)) } /// Retrieves the name of the given `DefId`. #[inline] fn opt_name(&self, def_id: DefId) -> Option<Symbol> { let def_key = match def_id.as_local() { - Some(def_id) => self.untracked.definitions.read().def_key(def_id), + Some(def_id) => self.tcx.definitions_untracked().def_key(def_id), None => self.cstore().def_key(def_id), }; def_key.get_opt_name() @@ -1961,7 +1935,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let attr = self .cstore() - .item_attrs_untracked(def_id, self.session) + .item_attrs_untracked(def_id, self.tcx.sess) .find(|a| a.has_name(sym::rustc_legacy_const_generics))?; let mut ret = Vec::new(); for meta in attr.meta_item_list()? { diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 1c220a81792..b38c11e8bb8 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -1,7 +1,6 @@ //! A bunch of methods and structures more or less related to resolving macros and //! interface provided by `Resolver` to macro expander. -use crate::imports::ImportResolver; use crate::Namespace::*; use crate::{BuiltinMacroState, Determinacy}; use crate::{DeriveData, Finalize, ParentScope, ResolutionError, Resolver, ScopeSet}; @@ -195,7 +194,8 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { fn register_builtin_macro(&mut self, name: Symbol, ext: SyntaxExtensionKind) { if self.builtin_macros.insert(name, BuiltinMacroState::NotYetSeen(ext)).is_some() { - self.session + self.tcx + .sess .diagnostic() .bug(&format!("built-in macro `{}` was already registered", name)); } @@ -216,7 +216,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { ExpnData::allow_unstable( ExpnKind::AstPass(pass), call_site, - self.session.edition(), + self.tcx.sess.edition(), features.into(), None, parent_module, @@ -232,7 +232,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { } fn resolve_imports(&mut self) { - ImportResolver { r: self }.resolve_imports() + self.resolve_imports() } fn resolve_macro_invocation( @@ -430,7 +430,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { PathResult::NonModule(..) | // HACK(Urgau): This shouldn't be necessary PathResult::Failed { is_error_from_last_segment: false, .. } => { - self.session + self.tcx.sess .struct_span_err(span, "not sure whether the path is accessible or not") .note("the type may have associated items, but we are currently not checking them") .emit(); @@ -455,7 +455,7 @@ impl<'a, 'tcx> ResolverExpand for Resolver<'a, 'tcx> { } fn get_proc_macro_quoted_span(&self, krate: CrateNum, id: usize) -> Span { - self.cstore().get_proc_macro_quoted_span_untracked(krate, id, self.session) + self.cstore().get_proc_macro_quoted_span_untracked(krate, id, self.tcx.sess) } fn declare_proc_macro(&mut self, id: NodeId) { @@ -493,10 +493,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // Report errors for the resolved macro. for segment in &path.segments { if let Some(args) = &segment.args { - self.session.span_err(args.span(), "generic arguments in macro path"); + self.tcx.sess.span_err(args.span(), "generic arguments in macro path"); } if kind == MacroKind::Attr && segment.ident.as_str().starts_with("rustc") { - self.session.span_err( + self.tcx.sess.span_err( segment.ident.span, "attributes starting with `rustc` are reserved for use by the `rustc` compiler", ); @@ -508,7 +508,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if let Some(def_id) = def_id.as_local() { self.unused_macros.remove(&def_id); if self.proc_macro_stubs.contains(&def_id) { - self.session.span_err( + self.tcx.sess.span_err( path.span, "can't use a procedural macro from the same crate that defines it", ); @@ -540,7 +540,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if let Some((article, expected)) = unexpected_res { let path_str = pprust::path_to_string(path); let msg = format!("expected {}, found {} `{}`", expected, res.descr(), path_str); - self.session + self.tcx + .sess .struct_span_err(path.span, &msg) .span_label(path.span, format!("not {} {}", article, expected)) .emit(); @@ -550,7 +551,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // We are trying to avoid reporting this error if other related errors were reported. if res != Res::Err && inner_attr - && !self.session.features_untracked().custom_inner_attributes + && !self.tcx.sess.features_untracked().custom_inner_attributes { let msg = match res { Res::Def(..) => "inner macro attributes are unstable", @@ -558,10 +559,15 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { _ => unreachable!(), }; if soft_custom_inner_attributes_gate { - self.session.parse_sess.buffer_lint(SOFT_UNSTABLE, path.span, node_id, msg); + self.tcx.sess.parse_sess.buffer_lint(SOFT_UNSTABLE, path.span, node_id, msg); } else { - feature_err(&self.session.parse_sess, sym::custom_inner_attributes, path.span, msg) - .emit(); + feature_err( + &self.tcx.sess.parse_sess, + sym::custom_inner_attributes, + path.span, + msg, + ) + .emit(); } } @@ -655,7 +661,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // Make sure compilation does not succeed if preferred macro resolution // has changed after the macro had been expanded. In theory all such // situations should be reported as errors, so this is a bug. - this.session.delay_span_bug(span, "inconsistent resolution for a macro"); + this.tcx.sess.delay_span_bug(span, "inconsistent resolution for a macro"); } } else { // It's possible that the macro was unresolved (indeterminate) and silently @@ -672,7 +678,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Segment::names_to_string(path) ); let msg_note = "import resolution is stuck, try simplifying macro imports"; - this.session.struct_span_err(span, &msg).note(msg_note).emit(); + this.tcx.sess.struct_span_err(span, &msg).note(msg_note).emit(); } } }; @@ -699,7 +705,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { // try to suggest if it's not a macro, maybe a function if let PathResult::NonModule(partial_res) = self.maybe_resolve_path(&path, Some(ValueNS), &parent_scope) && partial_res.unresolved_segments() == 0 { - let sm = self.session.source_map(); + let sm = self.tcx.sess.source_map(); let exclamation_span = sm.next_point(span); suggestion = Some(( vec![(exclamation_span, "".to_string())], @@ -762,7 +768,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Err(..) => { let expected = kind.descr_expected(); let msg = format!("cannot find {} `{}` in this scope", expected, ident); - let mut err = self.session.struct_span_err(ident.span, &msg); + let mut err = self.tcx.sess.struct_span_err(ident.span, &msg); self.unresolved_macro_suggestions(&mut err, kind, &parent_scope, ident); err.emit(); } @@ -804,7 +810,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let soft_handler = |lint, span, msg: &_| lint_buffer.buffer_lint(lint, node_id, span, msg); stability::report_unstable( - self.session, + self.tcx.sess, feature, reason.to_opt_reason(), issue, @@ -840,7 +846,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if kind != NonMacroAttrKind::Tool && binding.map_or(true, |b| b.is_import()) { let msg = format!("cannot use {} {} through an import", kind.article(), kind.descr()); - let mut err = self.session.struct_span_err(span, &msg); + let mut err = self.tcx.sess.struct_span_err(span, &msg); if let Some(binding) = binding { err.span_note(binding.span, &format!("the {} imported here", kind.descr())); } @@ -855,7 +861,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { if ident.name == sym::cfg || ident.name == sym::cfg_attr { let macro_kind = self.get_macro(res).map(|macro_data| macro_data.ext.macro_kind()); if macro_kind.is_some() && sub_namespace_match(macro_kind, Some(MacroKind::Attr)) { - self.session.span_err( + self.tcx.sess.span_err( ident.span, &format!("name `{}` is reserved in attribute namespace", ident), ); @@ -871,12 +877,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { item: &ast::Item, edition: Edition, ) -> (SyntaxExtension, Vec<(usize, Span)>) { - let (mut result, mut rule_spans) = compile_declarative_macro( - &self.session, - self.session.features_untracked(), - item, - edition, - ); + let (mut result, mut rule_spans) = compile_declarative_macro(self.tcx.sess, item, edition); if let Some(builtin_name) = result.builtin_name { // The macro was marked with `#[rustc_builtin_macro]`. @@ -895,7 +896,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } BuiltinMacroState::AlreadySeen(span) => { struct_span_err!( - self.session, + self.tcx.sess, item.span, E0773, "attempted to define built-in macro more than once" @@ -906,7 +907,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } } else { let msg = format!("cannot find a built-in macro with name `{}`", item.ident); - self.session.span_err(item.span, &msg); + self.tcx.sess.span_err(item.span, &msg); } } diff --git a/compiler/rustc_resolve/src/rustdoc.rs b/compiler/rustc_resolve/src/rustdoc.rs index 3425e24585c..5e4b66018e4 100644 --- a/compiler/rustc_resolve/src/rustdoc.rs +++ b/compiler/rustc_resolve/src/rustdoc.rs @@ -1,11 +1,10 @@ -use pulldown_cmark::{BrokenLink, Event, Options, Parser, Tag}; +use pulldown_cmark::{BrokenLink, Event, LinkType, Options, Parser, Tag}; use rustc_ast as ast; use rustc_ast::util::comments::beautify_doc_string; use rustc_data_structures::fx::FxHashMap; use rustc_span::def_id::DefId; use rustc_span::symbol::{kw, Symbol}; use rustc_span::Span; -use std::cell::RefCell; use std::{cmp, mem}; #[derive(Clone, Copy, PartialEq, Eq, Debug)] @@ -340,6 +339,7 @@ pub fn inner_docs(attrs: &[ast::Attribute]) -> bool { fn preprocess_link(link: &str) -> String { let link = link.replace('`', ""); let link = link.split('#').next().unwrap(); + let link = link.trim(); let link = link.rsplit('@').next().unwrap(); let link = link.strip_suffix("()").unwrap_or(link); let link = link.strip_suffix("{}").unwrap_or(link); @@ -348,22 +348,37 @@ fn preprocess_link(link: &str) -> String { strip_generics_from_path(link).unwrap_or_else(|_| link.to_string()) } +/// Keep inline and reference links `[]`, +/// but skip autolinks `<>` which we never consider to be intra-doc links. +pub fn may_be_doc_link(link_type: LinkType) -> bool { + match link_type { + LinkType::Inline + | LinkType::Reference + | LinkType::ReferenceUnknown + | LinkType::Collapsed + | LinkType::CollapsedUnknown + | LinkType::Shortcut + | LinkType::ShortcutUnknown => true, + LinkType::Autolink | LinkType::Email => false, + } +} + /// Simplified version of `preprocessed_markdown_links` from rustdoc. /// Must return at least the same links as it, but may add some more links on top of that. pub(crate) fn attrs_to_preprocessed_links(attrs: &[ast::Attribute]) -> Vec<String> { let (doc_fragments, _) = attrs_to_doc_fragments(attrs.iter().map(|attr| (attr, None)), true); let doc = prepare_to_doc_link_resolution(&doc_fragments).into_values().next().unwrap(); - let links = RefCell::new(Vec::new()); - let mut callback = |link: BrokenLink<'_>| { - links.borrow_mut().push(preprocess_link(&link.reference)); - None - }; - for event in Parser::new_with_broken_link_callback(&doc, main_body_opts(), Some(&mut callback)) - { - if let Event::Start(Tag::Link(_, dest, _)) = event { - links.borrow_mut().push(preprocess_link(&dest)); + Parser::new_with_broken_link_callback( + &doc, + main_body_opts(), + Some(&mut |link: BrokenLink<'_>| Some((link.reference, "".into()))), + ) + .filter_map(|event| match event { + Event::Start(Tag::Link(link_type, dest, _)) if may_be_doc_link(link_type) => { + Some(preprocess_link(&dest)) } - } - links.into_inner() + _ => None, + }) + .collect() } diff --git a/compiler/rustc_serialize/Cargo.toml b/compiler/rustc_serialize/Cargo.toml index db0ef73544f..c0446571905 100644 --- a/compiler/rustc_serialize/Cargo.toml +++ b/compiler/rustc_serialize/Cargo.toml @@ -6,7 +6,7 @@ edition = "2021" [dependencies] indexmap = "1.9.1" smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } -thin-vec = "0.2.9" +thin-vec = "0.2.12" [dev-dependencies] rustc_macros = { path = "../rustc_macros" } diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs index 751b209f11a..377c364961b 100644 --- a/compiler/rustc_serialize/src/serialize.rs +++ b/compiler/rustc_serialize/src/serialize.rs @@ -430,11 +430,6 @@ impl<D: Decoder, T: Decodable<D> + Copy> Decodable<D> for Cell<T> { } } -// FIXME: #15036 -// Should use `try_borrow`, returning an -// `encoder.error("attempting to Encode borrowed RefCell")` -// from `encode` when `try_borrow` returns `None`. - impl<S: Encoder, T: Encodable<S>> Encodable<S> for RefCell<T> { fn encode(&self, s: &mut S) { self.borrow().encode(s); diff --git a/compiler/rustc_error_messages/locales/en-US/session.ftl b/compiler/rustc_session/locales/en-US.ftl index fe553edab42..fe553edab42 100644 --- a/compiler/rustc_error_messages/locales/en-US/session.ftl +++ b/compiler/rustc_session/locales/en-US.ftl diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 4da6acad2c0..295e93f6103 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1022,7 +1022,13 @@ fn default_configuration(sess: &Session) -> CrateConfig { let panic_strategy = sess.panic_strategy(); ret.insert((sym::panic, Some(panic_strategy.desc_symbol()))); - for s in sess.opts.unstable_opts.sanitizer { + for mut s in sess.opts.unstable_opts.sanitizer { + // KASAN should use the same attribute name as ASAN, as it's still ASAN + // under the hood + if s == SanitizerSet::KERNELADDRESS { + s = SanitizerSet::ADDRESS; + } + let symbol = Symbol::intern(&s.to_string()); ret.insert((sym::sanitize, Some(symbol))); } diff --git a/compiler/rustc_session/src/cstore.rs b/compiler/rustc_session/src/cstore.rs index 4ae9a3fae47..868ffdf0f1d 100644 --- a/compiler/rustc_session/src/cstore.rs +++ b/compiler/rustc_session/src/cstore.rs @@ -6,10 +6,9 @@ use crate::search_paths::PathKind; use crate::utils::NativeLibKind; use crate::Session; use rustc_ast as ast; -use rustc_data_structures::sync::{self, MetadataRef, RwLock}; +use rustc_data_structures::sync::{self, AppendOnlyVec, MetadataRef, RwLock}; use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, StableCrateId, LOCAL_CRATE}; use rustc_hir::definitions::{DefKey, DefPath, DefPathHash, Definitions}; -use rustc_index::vec::IndexVec; use rustc_span::hygiene::{ExpnHash, ExpnId}; use rustc_span::symbol::Symbol; use rustc_span::Span; @@ -200,12 +199,12 @@ pub enum ExternCrateSource { /// At the time of this writing, there is only one backend and one way to store /// metadata in library -- this trait just serves to decouple rustc_metadata from /// the archive reader, which depends on LLVM. -pub trait MetadataLoader { +pub trait MetadataLoader: std::fmt::Debug { fn get_rlib_metadata(&self, target: &Target, filename: &Path) -> Result<MetadataRef, String>; fn get_dylib_metadata(&self, target: &Target, filename: &Path) -> Result<MetadataRef, String>; } -pub type MetadataLoaderDyn = dyn MetadataLoader + Sync; +pub type MetadataLoaderDyn = dyn MetadataLoader + Send + Sync; /// A store of Rust crates, through which their metadata can be accessed. /// @@ -250,12 +249,11 @@ pub trait CrateStore: std::fmt::Debug { fn import_source_files(&self, sess: &Session, cnum: CrateNum); } -pub type CrateStoreDyn = dyn CrateStore + sync::Sync; +pub type CrateStoreDyn = dyn CrateStore + sync::Sync + sync::Send; -#[derive(Debug)] pub struct Untracked { - pub cstore: Box<CrateStoreDyn>, + pub cstore: RwLock<Box<CrateStoreDyn>>, /// Reference span for definitions. - pub source_span: IndexVec<LocalDefId, Span>, + pub source_span: AppendOnlyVec<LocalDefId, Span>, pub definitions: RwLock<Definitions>, } diff --git a/compiler/rustc_session/src/lib.rs b/compiler/rustc_session/src/lib.rs index 39e871f532c..e1f1a5f6d2e 100644 --- a/compiler/rustc_session/src/lib.rs +++ b/compiler/rustc_session/src/lib.rs @@ -18,6 +18,9 @@ pub mod errors; #[macro_use] extern crate tracing; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + pub mod cgu_reuse_tracker; pub mod utils; pub use lint::{declare_lint, declare_lint_pass, declare_tool_lint, impl_lint_pass}; @@ -39,6 +42,8 @@ pub mod output; pub use getopts; +fluent_messages! { "../locales/en-US.ftl" } + /// Requirements for a `StableHashingContext` to be used in this crate. /// This is a hack to allow using the `HashStable_Generic` derive macro /// instead of implementing everything in `rustc_middle`. diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index c784582012a..1f3eb8d4832 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -370,7 +370,7 @@ mod desc { pub const parse_opt_panic_strategy: &str = parse_panic_strategy; pub const parse_oom_strategy: &str = "either `panic` or `abort`"; pub const parse_relro_level: &str = "one of: `full`, `partial`, or `off`"; - pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `cfi`, `hwaddress`, `kcfi`, `leak`, `memory`, `memtag`, `shadow-call-stack`, or `thread`"; + pub const parse_sanitizers: &str = "comma separated list of sanitizers: `address`, `cfi`, `hwaddress`, `kcfi`, `kernel-address`, `leak`, `memory`, `memtag`, `shadow-call-stack`, or `thread`"; pub const parse_sanitizer_memory_track_origins: &str = "0, 1, or 2"; pub const parse_cfguard: &str = "either a boolean (`yes`, `no`, `on`, `off`, etc), `checks`, or `nochecks`"; @@ -684,6 +684,7 @@ mod parse { "address" => SanitizerSet::ADDRESS, "cfi" => SanitizerSet::CFI, "kcfi" => SanitizerSet::KCFI, + "kernel-address" => SanitizerSet::KERNELADDRESS, "leak" => SanitizerSet::LEAK, "memory" => SanitizerSet::MEMORY, "memtag" => SanitizerSet::MEMTAG, @@ -1566,8 +1567,6 @@ options! { "parse only; do not compile, assemble, or link (default: no)"), perf_stats: bool = (false, parse_bool, [UNTRACKED], "print some performance-related statistics (default: no)"), - pick_stable_methods_before_any_unstable: bool = (true, parse_bool, [TRACKED], - "try to pick stable methods first before picking any unstable methods (default: yes)"), plt: Option<bool> = (None, parse_opt_bool, [TRACKED], "whether to use the PLT when calling into shared libraries; only has effect for PIC code on systems with ELF binaries diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs index cbdcc5581e5..4e8c3f73e29 100644 --- a/compiler/rustc_session/src/parse.rs +++ b/compiler/rustc_session/src/parse.rs @@ -226,8 +226,8 @@ pub struct ParseSess { impl ParseSess { /// Used for testing. - pub fn new(file_path_mapping: FilePathMapping) -> Self { - let fallback_bundle = fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + pub fn new(locale_resources: Vec<&'static str>, file_path_mapping: FilePathMapping) -> Self { + let fallback_bundle = fallback_fluent_bundle(locale_resources, false); let sm = Lrc::new(SourceMap::new(file_path_mapping)); let handler = Handler::with_tty_emitter( ColorConfig::Auto, @@ -265,7 +265,7 @@ impl ParseSess { } pub fn with_silent_emitter(fatal_note: Option<String>) -> Self { - let fallback_bundle = fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = fallback_fluent_bundle(Vec::new(), false); let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); let fatal_handler = Handler::with_tty_emitter(ColorConfig::Auto, false, None, None, None, fallback_bundle); diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index e608b9fe0b3..446ba63ed1c 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -954,10 +954,10 @@ impl Session { /// Checks if LLVM lifetime markers should be emitted. pub fn emit_lifetime_markers(&self) -> bool { self.opts.optimize != config::OptLevel::No - // AddressSanitizer uses lifetimes to detect use after scope bugs. + // AddressSanitizer and KernelAddressSanitizer uses lifetimes to detect use after scope bugs. // MemorySanitizer uses lifetimes to detect use of uninitialized stack variables. // HWAddressSanitizer will use lifetimes to detect use after scope bugs in the future. - || self.opts.unstable_opts.sanitizer.intersects(SanitizerSet::ADDRESS | SanitizerSet::MEMORY | SanitizerSet::HWADDRESS) + || self.opts.unstable_opts.sanitizer.intersects(SanitizerSet::ADDRESS | SanitizerSet::KERNELADDRESS | SanitizerSet::MEMORY | SanitizerSet::HWADDRESS) } pub fn is_proc_macro_attr(&self, attr: &Attribute) -> bool { @@ -1341,6 +1341,7 @@ pub fn build_session( io: CompilerIO, bundle: Option<Lrc<rustc_errors::FluentBundle>>, registry: rustc_errors::registry::Registry, + fluent_resources: Vec<&'static str>, driver_lint_caps: FxHashMap<lint::LintId, lint::Level>, file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>, target_override: Option<Target>, @@ -1385,7 +1386,7 @@ pub fn build_session( )); let fallback_bundle = fallback_fluent_bundle( - rustc_errors::DEFAULT_LOCALE_RESOURCES, + fluent_resources, sopts.unstable_opts.translate_directionality_markers, ); let emitter = default_emitter(&sopts, registry, source_map.clone(), bundle, fallback_bundle); @@ -1630,7 +1631,10 @@ pub enum IncrCompSession { } fn early_error_handler(output: config::ErrorOutputType) -> rustc_errors::Handler { - let fallback_bundle = fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + // FIXME(#100717): early errors aren't translated at the moment, so this is fine, but it will + // need to reference every crate that might emit an early error for translation to work. + let fallback_bundle = + fallback_fluent_bundle(vec![rustc_errors::DEFAULT_LOCALE_RESOURCE], false); let emitter: Box<dyn Emitter + sync::Send> = match output { config::ErrorOutputType::HumanReadable(kind) => { let (short, color_config) = kind.unzip(); diff --git a/compiler/rustc_span/src/edit_distance.rs b/compiler/rustc_span/src/edit_distance.rs new file mode 100644 index 00000000000..89f0386e3e9 --- /dev/null +++ b/compiler/rustc_span/src/edit_distance.rs @@ -0,0 +1,229 @@ +//! Edit distances. +//! +//! The [edit distance] is a metric for measuring the difference between two strings. +//! +//! [edit distance]: https://en.wikipedia.org/wiki/Edit_distance + +// The current implementation is the restricted Damerau-Levenshtein algorithm. It is restricted +// because it does not permit modifying characters that have already been transposed. The specific +// algorithm should not matter to the caller of the methods, which is why it is not noted in the +// documentation. + +use crate::symbol::Symbol; +use std::{cmp, mem}; + +#[cfg(test)] +mod tests; + +/// Finds the [edit distance] between two strings. +/// +/// Returns `None` if the distance exceeds the limit. +/// +/// [edit distance]: https://en.wikipedia.org/wiki/Edit_distance +pub fn edit_distance(a: &str, b: &str, limit: usize) -> Option<usize> { + let mut a = &a.chars().collect::<Vec<_>>()[..]; + let mut b = &b.chars().collect::<Vec<_>>()[..]; + + // Ensure that `b` is the shorter string, minimizing memory use. + if a.len() < b.len() { + mem::swap(&mut a, &mut b); + } + + let min_dist = a.len() - b.len(); + // If we know the limit will be exceeded, we can return early. + if min_dist > limit { + return None; + } + + // Strip common prefix. + while let Some(((b_char, b_rest), (a_char, a_rest))) = b.split_first().zip(a.split_first()) + && a_char == b_char + { + a = a_rest; + b = b_rest; + } + // Strip common suffix. + while let Some(((b_char, b_rest), (a_char, a_rest))) = b.split_last().zip(a.split_last()) + && a_char == b_char + { + a = a_rest; + b = b_rest; + } + + // If either string is empty, the distance is the length of the other. + // We know that `b` is the shorter string, so we don't need to check `a`. + if b.len() == 0 { + return Some(min_dist); + } + + let mut prev_prev = vec![usize::MAX; b.len() + 1]; + let mut prev = (0..=b.len()).collect::<Vec<_>>(); + let mut current = vec![0; b.len() + 1]; + + // row by row + for i in 1..=a.len() { + current[0] = i; + let a_idx = i - 1; + + // column by column + for j in 1..=b.len() { + let b_idx = j - 1; + + // There is no cost to substitute a character with itself. + let substitution_cost = if a[a_idx] == b[b_idx] { 0 } else { 1 }; + + current[j] = cmp::min( + // deletion + prev[j] + 1, + cmp::min( + // insertion + current[j - 1] + 1, + // substitution + prev[j - 1] + substitution_cost, + ), + ); + + if (i > 1) && (j > 1) && (a[a_idx] == b[b_idx - 1]) && (a[a_idx - 1] == b[b_idx]) { + // transposition + current[j] = cmp::min(current[j], prev_prev[j - 2] + 1); + } + } + + // Rotate the buffers, reusing the memory. + [prev_prev, prev, current] = [prev, current, prev_prev]; + } + + // `prev` because we already rotated the buffers. + let distance = prev[b.len()]; + (distance <= limit).then_some(distance) +} + +/// Provides a word similarity score between two words that accounts for substrings being more +/// meaningful than a typical edit distance. The lower the score, the closer the match. 0 is an +/// identical match. +/// +/// Uses the edit distance between the two strings and removes the cost of the length difference. +/// If this is 0 then it is either a substring match or a full word match, in the substring match +/// case we detect this and return `1`. To prevent finding meaningless substrings, eg. "in" in +/// "shrink", we only perform this subtraction of length difference if one of the words is not +/// greater than twice the length of the other. For cases where the words are close in size but not +/// an exact substring then the cost of the length difference is discounted by half. +/// +/// Returns `None` if the distance exceeds the limit. +pub fn edit_distance_with_substrings(a: &str, b: &str, limit: usize) -> Option<usize> { + let n = a.chars().count(); + let m = b.chars().count(); + + // Check one isn't less than half the length of the other. If this is true then there is a + // big difference in length. + let big_len_diff = (n * 2) < m || (m * 2) < n; + let len_diff = if n < m { m - n } else { n - m }; + let distance = edit_distance(a, b, limit + len_diff)?; + + // This is the crux, subtracting length difference means exact substring matches will now be 0 + let score = distance - len_diff; + + // If the score is 0 but the words have different lengths then it's a substring match not a full + // word match + let score = if score == 0 && len_diff > 0 && !big_len_diff { + 1 // Exact substring match, but not a total word match so return non-zero + } else if !big_len_diff { + // Not a big difference in length, discount cost of length difference + score + (len_diff + 1) / 2 + } else { + // A big difference in length, add back the difference in length to the score + score + len_diff + }; + + (score <= limit).then_some(score) +} + +/// Finds the best match for given word in the given iterator where substrings are meaningful. +/// +/// A version of [`find_best_match_for_name`] that uses [`edit_distance_with_substrings`] as the +/// score for word similarity. This takes an optional distance limit which defaults to one-third of +/// the given word. +/// +/// We use case insensitive comparison to improve accuracy on an edge case with a lower(upper)case +/// letters mismatch. +pub fn find_best_match_for_name_with_substrings( + candidates: &[Symbol], + lookup: Symbol, + dist: Option<usize>, +) -> Option<Symbol> { + find_best_match_for_name_impl(true, candidates, lookup, dist) +} + +/// Finds the best match for a given word in the given iterator. +/// +/// As a loose rule to avoid the obviously incorrect suggestions, it takes +/// an optional limit for the maximum allowable edit distance, which defaults +/// to one-third of the given word. +/// +/// We use case insensitive comparison to improve accuracy on an edge case with a lower(upper)case +/// letters mismatch. +pub fn find_best_match_for_name( + candidates: &[Symbol], + lookup: Symbol, + dist: Option<usize>, +) -> Option<Symbol> { + find_best_match_for_name_impl(false, candidates, lookup, dist) +} + +#[cold] +fn find_best_match_for_name_impl( + use_substring_score: bool, + candidates: &[Symbol], + lookup: Symbol, + dist: Option<usize>, +) -> Option<Symbol> { + let lookup = lookup.as_str(); + let lookup_uppercase = lookup.to_uppercase(); + + // Priority of matches: + // 1. Exact case insensitive match + // 2. Edit distance match + // 3. Sorted word match + if let Some(c) = candidates.iter().find(|c| c.as_str().to_uppercase() == lookup_uppercase) { + return Some(*c); + } + + let mut dist = dist.unwrap_or_else(|| cmp::max(lookup.len(), 3) / 3); + let mut best = None; + for c in candidates { + match if use_substring_score { + edit_distance_with_substrings(lookup, c.as_str(), dist) + } else { + edit_distance(lookup, c.as_str(), dist) + } { + Some(0) => return Some(*c), + Some(d) => { + dist = d - 1; + best = Some(*c); + } + None => {} + } + } + if best.is_some() { + return best; + } + + find_match_by_sorted_words(candidates, lookup) +} + +fn find_match_by_sorted_words(iter_names: &[Symbol], lookup: &str) -> Option<Symbol> { + iter_names.iter().fold(None, |result, candidate| { + if sort_by_words(candidate.as_str()) == sort_by_words(lookup) { + Some(*candidate) + } else { + result + } + }) +} + +fn sort_by_words(name: &str) -> String { + let mut split_words: Vec<&str> = name.split('_').collect(); + // We are sorting primitive &strs and can use unstable sort here. + split_words.sort_unstable(); + split_words.join("_") +} diff --git a/compiler/rustc_span/src/edit_distance/tests.rs b/compiler/rustc_span/src/edit_distance/tests.rs new file mode 100644 index 00000000000..c9c7a1f1bf2 --- /dev/null +++ b/compiler/rustc_span/src/edit_distance/tests.rs @@ -0,0 +1,80 @@ +use super::*; + +#[test] +fn test_edit_distance() { + // Test bytelength agnosticity + for c in (0..char::MAX as u32).filter_map(char::from_u32).map(|i| i.to_string()) { + assert_eq!(edit_distance(&c[..], &c[..], usize::MAX), Some(0)); + } + + let a = "\nMäry häd ä little lämb\n\nLittle lämb\n"; + let b = "\nMary häd ä little lämb\n\nLittle lämb\n"; + let c = "Mary häd ä little lämb\n\nLittle lämb\n"; + assert_eq!(edit_distance(a, b, usize::MAX), Some(1)); + assert_eq!(edit_distance(b, a, usize::MAX), Some(1)); + assert_eq!(edit_distance(a, c, usize::MAX), Some(2)); + assert_eq!(edit_distance(c, a, usize::MAX), Some(2)); + assert_eq!(edit_distance(b, c, usize::MAX), Some(1)); + assert_eq!(edit_distance(c, b, usize::MAX), Some(1)); +} + +#[test] +fn test_edit_distance_limit() { + assert_eq!(edit_distance("abc", "abcd", 1), Some(1)); + assert_eq!(edit_distance("abc", "abcd", 0), None); + assert_eq!(edit_distance("abc", "xyz", 3), Some(3)); + assert_eq!(edit_distance("abc", "xyz", 2), None); +} + +#[test] +fn test_method_name_similarity_score() { + assert_eq!(edit_distance_with_substrings("empty", "is_empty", 1), Some(1)); + assert_eq!(edit_distance_with_substrings("shrunk", "rchunks", 2), None); + assert_eq!(edit_distance_with_substrings("abc", "abcd", 1), Some(1)); + assert_eq!(edit_distance_with_substrings("a", "abcd", 1), None); + assert_eq!(edit_distance_with_substrings("edf", "eq", 1), None); + assert_eq!(edit_distance_with_substrings("abc", "xyz", 3), Some(3)); + assert_eq!(edit_distance_with_substrings("abcdef", "abcdef", 2), Some(0)); +} + +#[test] +fn test_find_best_match_for_name() { + use crate::create_default_session_globals_then; + create_default_session_globals_then(|| { + let input = vec![Symbol::intern("aaab"), Symbol::intern("aaabc")]; + assert_eq!( + find_best_match_for_name(&input, Symbol::intern("aaaa"), None), + Some(Symbol::intern("aaab")) + ); + + assert_eq!(find_best_match_for_name(&input, Symbol::intern("1111111111"), None), None); + + let input = vec![Symbol::intern("AAAA")]; + assert_eq!( + find_best_match_for_name(&input, Symbol::intern("aaaa"), None), + Some(Symbol::intern("AAAA")) + ); + + let input = vec![Symbol::intern("AAAA")]; + assert_eq!( + find_best_match_for_name(&input, Symbol::intern("aaaa"), Some(4)), + Some(Symbol::intern("AAAA")) + ); + + let input = vec![Symbol::intern("a_longer_variable_name")]; + assert_eq!( + find_best_match_for_name(&input, Symbol::intern("a_variable_longer_name"), None), + Some(Symbol::intern("a_longer_variable_name")) + ); + }) +} + +#[test] +fn test_precise_algorithm() { + // Not Levenshtein distance. + assert_ne!(edit_distance("ab", "ba", usize::MAX), Some(2)); + // Not unrestricted Damerau-Levenshtein distance. + assert_ne!(edit_distance("abde", "bcaed", usize::MAX), Some(3)); + // The current implementation is a restricted Damerau-Levenshtein distance. + assert_eq!(edit_distance("abde", "bcaed", usize::MAX), Some(4)); +} diff --git a/compiler/rustc_span/src/lev_distance.rs b/compiler/rustc_span/src/lev_distance.rs deleted file mode 100644 index 61e4b98a8d2..00000000000 --- a/compiler/rustc_span/src/lev_distance.rs +++ /dev/null @@ -1,177 +0,0 @@ -//! Levenshtein distances. -//! -//! The [Levenshtein distance] is a metric for measuring the difference between two strings. -//! -//! [Levenshtein distance]: https://en.wikipedia.org/wiki/Levenshtein_distance - -use crate::symbol::Symbol; -use std::cmp; - -#[cfg(test)] -mod tests; - -/// Finds the Levenshtein distance between two strings. -/// -/// Returns None if the distance exceeds the limit. -pub fn lev_distance(a: &str, b: &str, limit: usize) -> Option<usize> { - let n = a.chars().count(); - let m = b.chars().count(); - let min_dist = if n < m { m - n } else { n - m }; - - if min_dist > limit { - return None; - } - if n == 0 || m == 0 { - return (min_dist <= limit).then_some(min_dist); - } - - let mut dcol: Vec<_> = (0..=m).collect(); - - for (i, sc) in a.chars().enumerate() { - let mut current = i; - dcol[0] = current + 1; - - for (j, tc) in b.chars().enumerate() { - let next = dcol[j + 1]; - if sc == tc { - dcol[j + 1] = current; - } else { - dcol[j + 1] = cmp::min(current, next); - dcol[j + 1] = cmp::min(dcol[j + 1], dcol[j]) + 1; - } - current = next; - } - } - - (dcol[m] <= limit).then_some(dcol[m]) -} - -/// Provides a word similarity score between two words that accounts for substrings being more -/// meaningful than a typical Levenshtein distance. The lower the score, the closer the match. -/// 0 is an identical match. -/// -/// Uses the Levenshtein distance between the two strings and removes the cost of the length -/// difference. If this is 0 then it is either a substring match or a full word match, in the -/// substring match case we detect this and return `1`. To prevent finding meaningless substrings, -/// eg. "in" in "shrink", we only perform this subtraction of length difference if one of the words -/// is not greater than twice the length of the other. For cases where the words are close in size -/// but not an exact substring then the cost of the length difference is discounted by half. -/// -/// Returns `None` if the distance exceeds the limit. -pub fn lev_distance_with_substrings(a: &str, b: &str, limit: usize) -> Option<usize> { - let n = a.chars().count(); - let m = b.chars().count(); - - // Check one isn't less than half the length of the other. If this is true then there is a - // big difference in length. - let big_len_diff = (n * 2) < m || (m * 2) < n; - let len_diff = if n < m { m - n } else { n - m }; - let lev = lev_distance(a, b, limit + len_diff)?; - - // This is the crux, subtracting length difference means exact substring matches will now be 0 - let score = lev - len_diff; - - // If the score is 0 but the words have different lengths then it's a substring match not a full - // word match - let score = if score == 0 && len_diff > 0 && !big_len_diff { - 1 // Exact substring match, but not a total word match so return non-zero - } else if !big_len_diff { - // Not a big difference in length, discount cost of length difference - score + (len_diff + 1) / 2 - } else { - // A big difference in length, add back the difference in length to the score - score + len_diff - }; - - (score <= limit).then_some(score) -} - -/// Finds the best match for given word in the given iterator where substrings are meaningful. -/// -/// A version of [`find_best_match_for_name`] that uses [`lev_distance_with_substrings`] as the score -/// for word similarity. This takes an optional distance limit which defaults to one-third of the -/// given word. -/// -/// Besides the modified Levenshtein, we use case insensitive comparison to improve accuracy -/// on an edge case with a lower(upper)case letters mismatch. -pub fn find_best_match_for_name_with_substrings( - candidates: &[Symbol], - lookup: Symbol, - dist: Option<usize>, -) -> Option<Symbol> { - find_best_match_for_name_impl(true, candidates, lookup, dist) -} - -/// Finds the best match for a given word in the given iterator. -/// -/// As a loose rule to avoid the obviously incorrect suggestions, it takes -/// an optional limit for the maximum allowable edit distance, which defaults -/// to one-third of the given word. -/// -/// Besides Levenshtein, we use case insensitive comparison to improve accuracy -/// on an edge case with a lower(upper)case letters mismatch. -pub fn find_best_match_for_name( - candidates: &[Symbol], - lookup: Symbol, - dist: Option<usize>, -) -> Option<Symbol> { - find_best_match_for_name_impl(false, candidates, lookup, dist) -} - -#[cold] -fn find_best_match_for_name_impl( - use_substring_score: bool, - candidates: &[Symbol], - lookup: Symbol, - dist: Option<usize>, -) -> Option<Symbol> { - let lookup = lookup.as_str(); - let lookup_uppercase = lookup.to_uppercase(); - - // Priority of matches: - // 1. Exact case insensitive match - // 2. Levenshtein distance match - // 3. Sorted word match - if let Some(c) = candidates.iter().find(|c| c.as_str().to_uppercase() == lookup_uppercase) { - return Some(*c); - } - - let mut dist = dist.unwrap_or_else(|| cmp::max(lookup.len(), 3) / 3); - let mut best = None; - for c in candidates { - match if use_substring_score { - lev_distance_with_substrings(lookup, c.as_str(), dist) - } else { - lev_distance(lookup, c.as_str(), dist) - } { - Some(0) => return Some(*c), - Some(d) => { - dist = d - 1; - best = Some(*c); - } - None => {} - } - } - if best.is_some() { - return best; - } - - find_match_by_sorted_words(candidates, lookup) -} - -fn find_match_by_sorted_words(iter_names: &[Symbol], lookup: &str) -> Option<Symbol> { - iter_names.iter().fold(None, |result, candidate| { - if sort_by_words(candidate.as_str()) == sort_by_words(lookup) { - Some(*candidate) - } else { - result - } - }) -} - -fn sort_by_words(name: &str) -> String { - let mut split_words: Vec<&str> = name.split('_').collect(); - // We are sorting primitive &strs and can use unstable sort here. - split_words.sort_unstable(); - split_words.join("_") -} diff --git a/compiler/rustc_span/src/lev_distance/tests.rs b/compiler/rustc_span/src/lev_distance/tests.rs deleted file mode 100644 index ed03b22c61f..00000000000 --- a/compiler/rustc_span/src/lev_distance/tests.rs +++ /dev/null @@ -1,70 +0,0 @@ -use super::*; - -#[test] -fn test_lev_distance() { - // Test bytelength agnosticity - for c in (0..char::MAX as u32).filter_map(char::from_u32).map(|i| i.to_string()) { - assert_eq!(lev_distance(&c[..], &c[..], usize::MAX), Some(0)); - } - - let a = "\nMäry häd ä little lämb\n\nLittle lämb\n"; - let b = "\nMary häd ä little lämb\n\nLittle lämb\n"; - let c = "Mary häd ä little lämb\n\nLittle lämb\n"; - assert_eq!(lev_distance(a, b, usize::MAX), Some(1)); - assert_eq!(lev_distance(b, a, usize::MAX), Some(1)); - assert_eq!(lev_distance(a, c, usize::MAX), Some(2)); - assert_eq!(lev_distance(c, a, usize::MAX), Some(2)); - assert_eq!(lev_distance(b, c, usize::MAX), Some(1)); - assert_eq!(lev_distance(c, b, usize::MAX), Some(1)); -} - -#[test] -fn test_lev_distance_limit() { - assert_eq!(lev_distance("abc", "abcd", 1), Some(1)); - assert_eq!(lev_distance("abc", "abcd", 0), None); - assert_eq!(lev_distance("abc", "xyz", 3), Some(3)); - assert_eq!(lev_distance("abc", "xyz", 2), None); -} - -#[test] -fn test_method_name_similarity_score() { - assert_eq!(lev_distance_with_substrings("empty", "is_empty", 1), Some(1)); - assert_eq!(lev_distance_with_substrings("shrunk", "rchunks", 2), None); - assert_eq!(lev_distance_with_substrings("abc", "abcd", 1), Some(1)); - assert_eq!(lev_distance_with_substrings("a", "abcd", 1), None); - assert_eq!(lev_distance_with_substrings("edf", "eq", 1), None); - assert_eq!(lev_distance_with_substrings("abc", "xyz", 3), Some(3)); - assert_eq!(lev_distance_with_substrings("abcdef", "abcdef", 2), Some(0)); -} - -#[test] -fn test_find_best_match_for_name() { - use crate::create_default_session_globals_then; - create_default_session_globals_then(|| { - let input = vec![Symbol::intern("aaab"), Symbol::intern("aaabc")]; - assert_eq!( - find_best_match_for_name(&input, Symbol::intern("aaaa"), None), - Some(Symbol::intern("aaab")) - ); - - assert_eq!(find_best_match_for_name(&input, Symbol::intern("1111111111"), None), None); - - let input = vec![Symbol::intern("AAAA")]; - assert_eq!( - find_best_match_for_name(&input, Symbol::intern("aaaa"), None), - Some(Symbol::intern("AAAA")) - ); - - let input = vec![Symbol::intern("AAAA")]; - assert_eq!( - find_best_match_for_name(&input, Symbol::intern("aaaa"), Some(4)), - Some(Symbol::intern("AAAA")) - ); - - let input = vec![Symbol::intern("a_longer_variable_name")]; - assert_eq!( - find_best_match_for_name(&input, Symbol::intern("a_variable_longer_name"), None), - Some(Symbol::intern("a_longer_variable_name")) - ); - }) -} diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index e095cf3fda2..e112100aa5f 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -19,6 +19,7 @@ #![feature(negative_impls)] #![feature(min_specialization)] #![feature(rustc_attrs)] +#![feature(let_chains)] #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] @@ -46,7 +47,7 @@ pub use hygiene::{ExpnData, ExpnHash, ExpnId, LocalExpnId, SyntaxContext}; use rustc_data_structures::stable_hasher::HashingControls; pub mod def_id; use def_id::{CrateNum, DefId, DefPathHash, LocalDefId, LOCAL_CRATE}; -pub mod lev_distance; +pub mod edit_distance; mod span_encoding; pub use span_encoding::{Span, DUMMY_SP}; diff --git a/compiler/rustc_error_messages/locales/en-US/symbol_mangling.ftl b/compiler/rustc_symbol_mangling/locales/en-US.ftl index b7d48280f46..b7d48280f46 100644 --- a/compiler/rustc_error_messages/locales/en-US/symbol_mangling.ftl +++ b/compiler/rustc_symbol_mangling/locales/en-US.ftl diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs index 744e8a4320e..2368468c891 100644 --- a/compiler/rustc_symbol_mangling/src/legacy.rs +++ b/compiler/rustc_symbol_mangling/src/legacy.rs @@ -3,7 +3,7 @@ use rustc_hir::def_id::CrateNum; use rustc_hir::definitions::{DefPathData, DisambiguatedDefPathData}; use rustc_middle::ty::print::{PrettyPrinter, Print, Printer}; use rustc_middle::ty::subst::{GenericArg, GenericArgKind}; -use rustc_middle::ty::{self, Instance, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Instance, Ty, TyCtxt, TypeVisitableExt}; use rustc_middle::util::common::record_time; use std::fmt::{self, Write}; diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index d81722e59a6..d9ce7373483 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -100,8 +100,10 @@ extern crate rustc_middle; #[macro_use] extern crate tracing; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; use rustc_hir::def::DefKind; use rustc_hir::def_id::{CrateNum, LOCAL_CRATE}; +use rustc_macros::fluent_messages; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrs; use rustc_middle::mir::mono::{InstantiationMode, MonoItem}; @@ -117,6 +119,8 @@ pub mod errors; pub mod test; pub mod typeid; +fluent_messages! { "../locales/en-US.ftl" } + /// This function computes the symbol name for the given `instance` and the /// given instantiating crate. That is, if you know that instance X is /// instantiated in crate Y, this is the symbol name this instance would have. diff --git a/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs b/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs index 949ef04dd4d..1d299e29256 100644 --- a/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs +++ b/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs @@ -396,6 +396,7 @@ fn encode_ty_name(tcx: TyCtxt<'_>, def_id: DefId) -> String { hir::definitions::DefPathData::CrateRoot | hir::definitions::DefPathData::Use | hir::definitions::DefPathData::GlobalAsm + | hir::definitions::DefPathData::ImplTraitAssocTy | hir::definitions::DefPathData::MacroNs(..) | hir::definitions::DefPathData::LifetimeNs(..) => { bug!("encode_ty_name: unexpected `{:?}`", disambiguated_data.data); @@ -781,8 +782,8 @@ fn transform_ty<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, options: TransformTyOptio let output = transform_ty(tcx, fn_sig.skip_binder().output(), options); ty = tcx.mk_fn_ptr(ty::Binder::bind_with_vars( tcx.mk_fn_sig( - parameters.iter(), - &output, + parameters, + output, fn_sig.c_variadic(), fn_sig.unsafety(), fn_sig.abi(), @@ -813,21 +814,18 @@ fn transform_substs<'tcx>( substs: SubstsRef<'tcx>, options: TransformTyOptions, ) -> SubstsRef<'tcx> { - let substs: Vec<GenericArg<'tcx>> = substs - .iter() - .map(|subst| { - if let GenericArgKind::Type(ty) = subst.unpack() { - if is_c_void_ty(tcx, ty) { - tcx.mk_unit().into() - } else { - transform_ty(tcx, ty, options).into() - } + let substs = substs.iter().map(|subst| { + if let GenericArgKind::Type(ty) = subst.unpack() { + if is_c_void_ty(tcx, ty) { + tcx.mk_unit().into() } else { - subst + transform_ty(tcx, ty, options).into() } - }) - .collect(); - tcx.mk_substs(substs.iter()) + } else { + subst + } + }); + tcx.mk_substs(substs) } /// Returns a type metadata identifier for the specified FnAbi using the Itanium C++ ABI with vendor diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs index c58b6a24ab5..2f20d42139c 100644 --- a/compiler/rustc_symbol_mangling/src/v0.rs +++ b/compiler/rustc_symbol_mangling/src/v0.rs @@ -8,7 +8,8 @@ use rustc_hir::definitions::{DefPathData, DisambiguatedDefPathData}; use rustc_middle::ty::layout::IntegerExt; use rustc_middle::ty::print::{Print, Printer}; use rustc_middle::ty::{ - self, EarlyBinder, FloatTy, Instance, IntTy, Ty, TyCtxt, TypeVisitable, UintTy, + self, EarlyBinder, FloatTy, Instance, IntTy, Ty, TyCtxt, TypeVisitable, TypeVisitableExt, + UintTy, }; use rustc_middle::ty::{GenericArg, GenericArgKind}; use rustc_span::symbol::kw; @@ -204,7 +205,7 @@ impl<'tcx> SymbolMangler<'tcx> { print_value: impl FnOnce(&'a mut Self, &T) -> Result<&'a mut Self, !>, ) -> Result<&'a mut Self, !> where - T: TypeVisitable<'tcx>, + T: TypeVisitable<TyCtxt<'tcx>>, { // FIXME(non-lifetime-binders): What to do here? let regions = if value.has_late_bound_regions() { @@ -791,6 +792,7 @@ impl<'tcx> Printer<'tcx> for &mut SymbolMangler<'tcx> { | DefPathData::Use | DefPathData::GlobalAsm | DefPathData::Impl + | DefPathData::ImplTraitAssocTy | DefPathData::MacroNs(_) | DefPathData::LifetimeNs(_) => { bug!("symbol_names: unexpected DefPathData: {:?}", disambiguated_data.data) diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios.rs index b5f9eb1259d..e9edfd2877b 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_ios.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_ios.rs @@ -1,8 +1,11 @@ use super::apple_base::{ios_llvm_target, opts, Arch}; -use crate::spec::{FramePointer, Target, TargetOptions}; +use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { let arch = Arch::Arm64; + let mut base = opts("ios", arch); + base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; + Target { // Clang automatically chooses a more specific target based on // IPHONEOS_DEPLOYMENT_TARGET. @@ -28,7 +31,7 @@ pub fn target() -> Target { darwinpcs\0\ -Os\0" .into(), - ..opts("ios", arch) + ..base }, } } diff --git a/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs b/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs index 3374755e2dd..6e2d62b6e08 100644 --- a/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs +++ b/compiler/rustc_target/src/spec/aarch64_apple_ios_sim.rs @@ -1,8 +1,11 @@ use super::apple_base::{ios_sim_llvm_target, opts, Arch}; -use crate::spec::{FramePointer, Target, TargetOptions}; +use crate::spec::{FramePointer, SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { let arch = Arch::Arm64_sim; + let mut base = opts("ios", arch); + base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; + Target { // Clang automatically chooses a more specific target based on // IPHONEOS_DEPLOYMENT_TARGET. @@ -28,7 +31,7 @@ pub fn target() -> Target { darwinpcs\0\ -Os\0" .into(), - ..opts("ios", arch) + ..base }, } } diff --git a/compiler/rustc_target/src/spec/aarch64_unknown_none.rs b/compiler/rustc_target/src/spec/aarch64_unknown_none.rs index 30fbe6f3c15..be27302f7f5 100644 --- a/compiler/rustc_target/src/spec/aarch64_unknown_none.rs +++ b/compiler/rustc_target/src/spec/aarch64_unknown_none.rs @@ -15,7 +15,7 @@ pub fn target() -> Target { linker_flavor: LinkerFlavor::Gnu(Cc::No, Lld::Yes), linker: Some("rust-lld".into()), features: "+v8a,+strict-align,+neon,+fp-armv8".into(), - supported_sanitizers: SanitizerSet::KCFI, + supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS, relocation_model: RelocModel::Static, disable_redzone: true, max_atomic_width: Some(128), diff --git a/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs b/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs index 8c65d6afcc1..f6f46aac4c3 100644 --- a/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs +++ b/compiler/rustc_target/src/spec/armebv7r_none_eabi.rs @@ -19,7 +19,7 @@ pub fn target() -> Target { max_atomic_width: Some(32), emit_debug_gdb_scripts: false, // GCC and Clang default to 8 for arm-none here - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs b/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs index 7013bc60d16..9608efe8bcf 100644 --- a/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs +++ b/compiler/rustc_target/src/spec/armebv7r_none_eabihf.rs @@ -20,7 +20,7 @@ pub fn target() -> Target { max_atomic_width: Some(32), emit_debug_gdb_scripts: false, // GCC and Clang default to 8 for arm-none here - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/armv4t_none_eabi.rs b/compiler/rustc_target/src/spec/armv4t_none_eabi.rs index 7ac1aab3b43..28b109889e9 100644 --- a/compiler/rustc_target/src/spec/armv4t_none_eabi.rs +++ b/compiler/rustc_target/src/spec/armv4t_none_eabi.rs @@ -49,7 +49,7 @@ pub fn target() -> Target { // from thumb_base, rust-lang/rust#44993. emit_debug_gdb_scripts: false, // from thumb_base, apparently gcc/clang give enums a minimum of 8 bits on no-os targets - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/armv7a_none_eabi.rs b/compiler/rustc_target/src/spec/armv7a_none_eabi.rs index 4e20fb32569..d59de86a230 100644 --- a/compiler/rustc_target/src/spec/armv7a_none_eabi.rs +++ b/compiler/rustc_target/src/spec/armv7a_none_eabi.rs @@ -27,7 +27,7 @@ pub fn target() -> Target { max_atomic_width: Some(64), panic_strategy: PanicStrategy::Abort, emit_debug_gdb_scripts: false, - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }; Target { diff --git a/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs b/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs index ae70129ae51..8cdf3c36ba2 100644 --- a/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs +++ b/compiler/rustc_target/src/spec/armv7a_none_eabihf.rs @@ -19,7 +19,7 @@ pub fn target() -> Target { panic_strategy: PanicStrategy::Abort, emit_debug_gdb_scripts: false, // GCC and Clang default to 8 for arm-none here - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }; Target { diff --git a/compiler/rustc_target/src/spec/armv7r_none_eabi.rs b/compiler/rustc_target/src/spec/armv7r_none_eabi.rs index 25f301ccce7..5225abf44fc 100644 --- a/compiler/rustc_target/src/spec/armv7r_none_eabi.rs +++ b/compiler/rustc_target/src/spec/armv7r_none_eabi.rs @@ -18,7 +18,7 @@ pub fn target() -> Target { max_atomic_width: Some(32), emit_debug_gdb_scripts: false, // GCC and Clang default to 8 for arm-none here - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs b/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs index 40449759dd3..9a35e04617f 100644 --- a/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs +++ b/compiler/rustc_target/src/spec/armv7r_none_eabihf.rs @@ -19,7 +19,7 @@ pub fn target() -> Target { max_atomic_width: Some(32), emit_debug_gdb_scripts: false, // GCC and Clang default to 8 for arm-none here - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs b/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs index 3aad05eb271..4c6ab5f5ae4 100644 --- a/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs +++ b/compiler/rustc_target/src/spec/hexagon_unknown_linux_musl.rs @@ -11,7 +11,7 @@ pub fn target() -> Target { base.has_rpath = true; base.linker_flavor = LinkerFlavor::Unix(Cc::Yes); - base.c_enum_min_bits = 8; + base.c_enum_min_bits = Some(8); Target { llvm_target: "hexagon-unknown-linux-musl".into(), diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index bc1920e3424..0d86a3032a6 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -812,6 +812,7 @@ bitflags::bitflags! { const MEMTAG = 1 << 6; const SHADOWCALLSTACK = 1 << 7; const KCFI = 1 << 8; + const KERNELADDRESS = 1 << 9; } } @@ -824,6 +825,7 @@ impl SanitizerSet { SanitizerSet::ADDRESS => "address", SanitizerSet::CFI => "cfi", SanitizerSet::KCFI => "kcfi", + SanitizerSet::KERNELADDRESS => "kernel-address", SanitizerSet::LEAK => "leak", SanitizerSet::MEMORY => "memory", SanitizerSet::MEMTAG => "memtag", @@ -866,6 +868,7 @@ impl IntoIterator for SanitizerSet { SanitizerSet::SHADOWCALLSTACK, SanitizerSet::THREAD, SanitizerSet::HWADDRESS, + SanitizerSet::KERNELADDRESS, ] .iter() .copied() @@ -1344,10 +1347,18 @@ impl Target { }); } - dl.c_enum_min_size = match Integer::from_size(Size::from_bits(self.c_enum_min_bits)) { - Ok(bits) => bits, - Err(err) => return Err(TargetDataLayoutErrors::InvalidBitsSize { err }), - }; + dl.c_enum_min_size = self + .c_enum_min_bits + .map_or_else( + || { + self.c_int_width + .parse() + .map_err(|_| String::from("failed to parse c_int_width")) + }, + Ok, + ) + .and_then(|i| Integer::from_size(Size::from_bits(i))) + .map_err(|err| TargetDataLayoutErrors::InvalidBitsSize { err })?; Ok(dl) } @@ -1701,8 +1712,8 @@ pub struct TargetOptions { /// If present it's a default value to use for adjusting the C ABI. pub default_adjusted_cabi: Option<Abi>, - /// Minimum number of bits in #[repr(C)] enum. Defaults to 32. - pub c_enum_min_bits: u64, + /// Minimum number of bits in #[repr(C)] enum. Defaults to the size of c_int + pub c_enum_min_bits: Option<u64>, /// Whether or not the DWARF `.debug_aranges` section should be generated. pub generate_arange_section: bool, @@ -1935,7 +1946,7 @@ impl Default for TargetOptions { supported_split_debuginfo: Cow::Borrowed(&[SplitDebuginfo::Off]), supported_sanitizers: SanitizerSet::empty(), default_adjusted_cabi: None, - c_enum_min_bits: 32, + c_enum_min_bits: None, generate_arange_section: true, supports_stack_protector: true, entry_name: "main".into(), @@ -2122,12 +2133,6 @@ impl Target { base.$key_name = s; } } ); - ($key_name:ident, u64) => ( { - let name = (stringify!($key_name)).replace("_", "-"); - if let Some(s) = obj.remove(&name).and_then(|j| Json::as_u64(&j)) { - base.$key_name = s; - } - } ); ($key_name:ident, u32) => ( { let name = (stringify!($key_name)).replace("_", "-"); if let Some(s) = obj.remove(&name).and_then(|b| b.as_u64()) { @@ -2339,6 +2344,7 @@ impl Target { Some("address") => SanitizerSet::ADDRESS, Some("cfi") => SanitizerSet::CFI, Some("kcfi") => SanitizerSet::KCFI, + Some("kernel-address") => SanitizerSet::KERNELADDRESS, Some("leak") => SanitizerSet::LEAK, Some("memory") => SanitizerSet::MEMORY, Some("memtag") => SanitizerSet::MEMTAG, @@ -2496,6 +2502,7 @@ impl Target { key!(is_builtin, bool); key!(c_int_width = "target-c-int-width"); + key!(c_enum_min_bits, Option<u64>); // if None, matches c_int_width key!(os); key!(env); key!(abi); @@ -2591,7 +2598,6 @@ impl Target { key!(supported_split_debuginfo, falliable_list)?; key!(supported_sanitizers, SanitizerSet)?; key!(default_adjusted_cabi, Option<Abi>)?; - key!(c_enum_min_bits, u64); key!(generate_arange_section, bool); key!(supports_stack_protector, bool); key!(entry_name); diff --git a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs index 409b0b26961..ab3c14e3fe7 100644 --- a/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs +++ b/compiler/rustc_target/src/spec/riscv64gc_unknown_none_elf.rs @@ -1,6 +1,8 @@ use crate::spec::{Cc, CodeModel, LinkerFlavor, Lld, PanicStrategy}; use crate::spec::{RelocModel, Target, TargetOptions}; +use super::SanitizerSet; + pub fn target() -> Target { Target { data_layout: "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128".into(), @@ -20,6 +22,7 @@ pub fn target() -> Target { code_model: Some(CodeModel::Medium), emit_debug_gdb_scripts: false, eh_frame_header: false, + supported_sanitizers: SanitizerSet::KERNELADDRESS, ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs b/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs index 87aba9171b4..0f1821c9985 100644 --- a/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs +++ b/compiler/rustc_target/src/spec/riscv64imac_unknown_none_elf.rs @@ -1,5 +1,5 @@ use crate::spec::{Cc, CodeModel, LinkerFlavor, Lld, PanicStrategy}; -use crate::spec::{RelocModel, Target, TargetOptions}; +use crate::spec::{RelocModel, SanitizerSet, Target, TargetOptions}; pub fn target() -> Target { Target { @@ -19,6 +19,7 @@ pub fn target() -> Target { code_model: Some(CodeModel::Medium), emit_debug_gdb_scripts: false, eh_frame_header: false, + supported_sanitizers: SanitizerSet::KERNELADDRESS, ..Default::default() }, } diff --git a/compiler/rustc_target/src/spec/thumb_base.rs b/compiler/rustc_target/src/spec/thumb_base.rs index 000766c57ce..4dcf47fe465 100644 --- a/compiler/rustc_target/src/spec/thumb_base.rs +++ b/compiler/rustc_target/src/spec/thumb_base.rs @@ -53,7 +53,7 @@ pub fn opts() -> TargetOptions { frame_pointer: FramePointer::Always, // ARM supports multiple ABIs for enums, the linux one matches the default of 32 here // but any arm-none or thumb-none target will be defaulted to 8 on GCC and clang - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), ..Default::default() } } diff --git a/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs b/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs index 5a3e4c88d3a..e3734932f88 100644 --- a/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs +++ b/compiler/rustc_target/src/spec/thumbv4t_none_eabi.rs @@ -55,7 +55,7 @@ pub fn target() -> Target { // suggested from thumb_base, rust-lang/rust#44993. emit_debug_gdb_scripts: false, // suggested from thumb_base, with no-os gcc/clang use 8-bit enums - c_enum_min_bits: 8, + c_enum_min_bits: Some(8), frame_pointer: FramePointer::MayOmit, main_needs_argc_argv: false, diff --git a/compiler/rustc_target/src/spec/x86_64_apple_ios.rs b/compiler/rustc_target/src/spec/x86_64_apple_ios.rs index fbd3ebd4d04..1dcb47056a4 100644 --- a/compiler/rustc_target/src/spec/x86_64_apple_ios.rs +++ b/compiler/rustc_target/src/spec/x86_64_apple_ios.rs @@ -1,8 +1,11 @@ use super::apple_base::{ios_sim_llvm_target, opts, Arch}; -use crate::spec::{StackProbeType, Target, TargetOptions}; +use crate::spec::{SanitizerSet, StackProbeType, Target, TargetOptions}; pub fn target() -> Target { let arch = Arch::X86_64_sim; + let mut base = opts("ios", arch); + base.supported_sanitizers = SanitizerSet::ADDRESS | SanitizerSet::THREAD; + Target { llvm_target: ios_sim_llvm_target(arch).into(), pointer_width: 64, @@ -12,7 +15,7 @@ pub fn target() -> Target { options: TargetOptions { max_atomic_width: Some(64), stack_probes: StackProbeType::X86, - ..opts("ios", arch) + ..base }, } } diff --git a/compiler/rustc_target/src/spec/x86_64_unknown_none.rs b/compiler/rustc_target/src/spec/x86_64_unknown_none.rs index 32060c35c11..43c5ce78ce3 100644 --- a/compiler/rustc_target/src/spec/x86_64_unknown_none.rs +++ b/compiler/rustc_target/src/spec/x86_64_unknown_none.rs @@ -20,7 +20,7 @@ pub fn target() -> Target { features: "-mmx,-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-3dnow,-3dnowa,-avx,-avx2,+soft-float" .into(), - supported_sanitizers: SanitizerSet::KCFI, + supported_sanitizers: SanitizerSet::KCFI | SanitizerSet::KERNELADDRESS, disable_redzone: true, panic_strategy: PanicStrategy::Abort, code_model: Some(CodeModel::Kernel), diff --git a/compiler/rustc_error_messages/locales/en-US/trait_selection.ftl b/compiler/rustc_trait_selection/locales/en-US.ftl index 14eb4a5502d..14eb4a5502d 100644 --- a/compiler/rustc_error_messages/locales/en-US/trait_selection.ftl +++ b/compiler/rustc_trait_selection/locales/en-US.ftl diff --git a/compiler/rustc_trait_selection/src/errors.rs b/compiler/rustc_trait_selection/src/errors.rs index 4405537c645..df7c4df1868 100644 --- a/compiler/rustc_trait_selection/src/errors.rs +++ b/compiler/rustc_trait_selection/src/errors.rs @@ -1,4 +1,5 @@ -use rustc_errors::{fluent, ErrorGuaranteed, Handler, IntoDiagnostic}; +use crate::fluent_generated as fluent; +use rustc_errors::{ErrorGuaranteed, Handler, IntoDiagnostic}; use rustc_macros::Diagnostic; use rustc_middle::ty::{self, PolyTraitRef, Ty}; use rustc_span::{Span, Symbol}; @@ -69,19 +70,19 @@ impl IntoDiagnostic<'_> for NegativePositiveConflict<'_> { diag.code(rustc_errors::error_code!(E0751)); match self.negative_impl_span { Ok(span) => { - diag.span_label(span, fluent::negative_implementation_here); + diag.span_label(span, fluent::trait_selection_negative_implementation_here); } Err(cname) => { - diag.note(fluent::negative_implementation_in_crate); + diag.note(fluent::trait_selection_negative_implementation_in_crate); diag.set_arg("negative_impl_cname", cname.to_string()); } } match self.positive_impl_span { Ok(span) => { - diag.span_label(span, fluent::positive_implementation_here); + diag.span_label(span, fluent::trait_selection_positive_implementation_here); } Err(cname) => { - diag.note(fluent::positive_implementation_in_crate); + diag.note(fluent::trait_selection_positive_implementation_in_crate); diag.set_arg("positive_impl_cname", cname.to_string()); } } diff --git a/compiler/rustc_trait_selection/src/infer.rs b/compiler/rustc_trait_selection/src/infer.rs index c0bfe152a1e..9b47c7299bb 100644 --- a/compiler/rustc_trait_selection/src/infer.rs +++ b/compiler/rustc_trait_selection/src/infer.rs @@ -6,7 +6,7 @@ use rustc_hir::lang_items::LangItem; use rustc_middle::arena::ArenaAllocatable; use rustc_middle::infer::canonical::{Canonical, CanonicalQueryResponse, QueryResponse}; use rustc_middle::traits::query::Fallible; -use rustc_middle::ty::{self, Ty, TypeFoldable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_middle::ty::{GenericArg, ToPredicate}; use rustc_span::{Span, DUMMY_SP}; @@ -42,7 +42,7 @@ pub trait InferCtxtExt<'tcx> { fn type_implements_trait( &self, trait_def_id: DefId, - params: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + params: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, param_env: ty::ParamEnv<'tcx>, ) -> traits::EvaluationResult; } @@ -82,7 +82,7 @@ impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { fn type_implements_trait( &self, trait_def_id: DefId, - params: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + params: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, param_env: ty::ParamEnv<'tcx>, ) -> traits::EvaluationResult { let trait_ref = self.tcx.mk_trait_ref(trait_def_id, params); @@ -104,8 +104,8 @@ pub trait InferCtxtBuilderExt<'tcx> { operation: impl FnOnce(&ObligationCtxt<'_, 'tcx>, K) -> Fallible<R>, ) -> Fallible<CanonicalQueryResponse<'tcx, R>> where - K: TypeFoldable<'tcx>, - R: Debug + TypeFoldable<'tcx>, + K: TypeFoldable<TyCtxt<'tcx>>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, Canonical<'tcx, QueryResponse<'tcx, R>>: ArenaAllocatable<'tcx>; } @@ -125,15 +125,15 @@ impl<'tcx> InferCtxtBuilderExt<'tcx> for InferCtxtBuilder<'tcx> { /// In part because we would need a `for<'tcx>` sort of /// bound for the closure and in part because it is convenient to /// have `'tcx` be free on this function so that we can talk about - /// `K: TypeFoldable<'tcx>`.) + /// `K: TypeFoldable<TyCtxt<'tcx>>`.) fn enter_canonical_trait_query<K, R>( &mut self, canonical_key: &Canonical<'tcx, K>, operation: impl FnOnce(&ObligationCtxt<'_, 'tcx>, K) -> Fallible<R>, ) -> Fallible<CanonicalQueryResponse<'tcx, R>> where - K: TypeFoldable<'tcx>, - R: Debug + TypeFoldable<'tcx>, + K: TypeFoldable<TyCtxt<'tcx>>, + R: Debug + TypeFoldable<TyCtxt<'tcx>>, Canonical<'tcx, QueryResponse<'tcx, R>>: ArenaAllocatable<'tcx>, { let (infcx, key, canonical_inference_vars) = diff --git a/compiler/rustc_trait_selection/src/lib.rs b/compiler/rustc_trait_selection/src/lib.rs index 6fa09410363..548b42cef43 100644 --- a/compiler/rustc_trait_selection/src/lib.rs +++ b/compiler/rustc_trait_selection/src/lib.rs @@ -36,7 +36,12 @@ extern crate rustc_middle; #[macro_use] extern crate smallvec; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; + pub mod errors; pub mod infer; pub mod solve; pub mod traits; + +fluent_messages! { "../locales/en-US.ftl" } diff --git a/compiler/rustc_trait_selection/src/solve/assembly.rs b/compiler/rustc_trait_selection/src/solve/assembly.rs index 126ec60b3d6..6172a9539f6 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly.rs @@ -1,6 +1,5 @@ //! Code shared by trait and projection goals for candidate assembly. -use super::infcx_ext::InferCtxtExt; #[cfg(doc)] use super::trait_goals::structural_traits::*; use super::{CanonicalResponse, Certainty, EvalCtxt, Goal, MaybeCause, QueryResult}; @@ -83,23 +82,27 @@ pub(super) enum CandidateSource { } /// Methods used to assemble candidates for either trait or projection goals. -pub(super) trait GoalKind<'tcx>: TypeFoldable<'tcx> + Copy + Eq { +pub(super) trait GoalKind<'tcx>: TypeFoldable<TyCtxt<'tcx>> + Copy + Eq { fn self_ty(self) -> Ty<'tcx>; fn with_self_ty(self, tcx: TyCtxt<'tcx>, self_ty: Ty<'tcx>) -> Self; fn trait_def_id(self, tcx: TyCtxt<'tcx>) -> DefId; - fn consider_impl_candidate( + // Consider a clause, which consists of a "assumption" and some "requirements", + // to satisfy a goal. If the requirements hold, then attempt to satisfy our + // goal by equating it with the assumption. + fn consider_implied_clause( ecx: &mut EvalCtxt<'_, 'tcx>, goal: Goal<'tcx, Self>, - impl_def_id: DefId, + assumption: ty::Predicate<'tcx>, + requirements: impl IntoIterator<Item = Goal<'tcx, ty::Predicate<'tcx>>>, ) -> QueryResult<'tcx>; - fn consider_assumption( + fn consider_impl_candidate( ecx: &mut EvalCtxt<'_, 'tcx>, goal: Goal<'tcx, Self>, - assumption: ty::Predicate<'tcx>, + impl_def_id: DefId, ) -> QueryResult<'tcx>; // A type implements an `auto trait` if its components do as well. These components @@ -202,7 +205,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { &mut self, goal: Goal<'tcx, G>, ) -> Vec<Candidate<'tcx>> { - debug_assert_eq!(goal, self.infcx.resolve_vars_if_possible(goal)); + debug_assert_eq!(goal, self.resolve_vars_if_possible(goal)); // HACK: `_: Trait` is ambiguous, because it may be satisfied via a builtin rule, // object bound, alias bound, etc. We are unable to determine this until we can at @@ -246,8 +249,8 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { let &ty::Alias(ty::Projection, projection_ty) = goal.predicate.self_ty().kind() else { return }; - self.infcx.probe(|_| { - let normalized_ty = self.infcx.next_ty_infer(); + self.probe(|this| { + let normalized_ty = this.next_ty_infer(); let normalizes_to_goal = goal.with( tcx, ty::Binder::dummy(ty::ProjectionPredicate { @@ -255,16 +258,16 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { term: normalized_ty.into(), }), ); - let normalization_certainty = match self.evaluate_goal(normalizes_to_goal) { + let normalization_certainty = match this.evaluate_goal(normalizes_to_goal) { Ok((_, certainty)) => certainty, Err(NoSolution) => return, }; - let normalized_ty = self.infcx.resolve_vars_if_possible(normalized_ty); + let normalized_ty = this.resolve_vars_if_possible(normalized_ty); // NOTE: Alternatively we could call `evaluate_goal` here and only have a `Normalized` candidate. // This doesn't work as long as we use `CandidateSource` in winnowing. let goal = goal.with(tcx, goal.predicate.with_self_ty(tcx, normalized_ty)); - let normalized_candidates = self.assemble_and_evaluate_candidates(goal); + let normalized_candidates = this.assemble_and_evaluate_candidates(goal); for mut normalized_candidate in normalized_candidates { normalized_candidate.result = normalized_candidate.result.unchecked_map(|mut response| { @@ -355,7 +358,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { candidates: &mut Vec<Candidate<'tcx>>, ) { for (i, assumption) in goal.param_env.caller_bounds().iter().enumerate() { - match G::consider_assumption(self, goal, assumption) { + match G::consider_implied_clause(self, goal, assumption, []) { Ok(result) => { candidates.push(Candidate { source: CandidateSource::ParamEnv(i), result }) } @@ -402,7 +405,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { for assumption in self.tcx().item_bounds(alias_ty.def_id).subst(self.tcx(), alias_ty.substs) { - match G::consider_assumption(self, goal, assumption) { + match G::consider_implied_clause(self, goal, assumption, []) { Ok(result) => { candidates.push(Candidate { source: CandidateSource::AliasBound, result }) } @@ -452,7 +455,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { for assumption in elaborate_predicates(tcx, bounds.iter().map(|bound| bound.with_self_ty(tcx, self_ty))) { - match G::consider_assumption(self, goal, assumption.predicate) { + match G::consider_implied_clause(self, goal, assumption.predicate, []) { Ok(result) => { candidates.push(Candidate { source: CandidateSource::BuiltinImpl, result }) } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs new file mode 100644 index 00000000000..c8097e81953 --- /dev/null +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs @@ -0,0 +1,175 @@ +use rustc_hir::def_id::DefId; +use rustc_infer::infer::at::ToTrace; +use rustc_infer::infer::canonical::CanonicalVarValues; +use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; +use rustc_infer::infer::{InferCtxt, InferOk, LateBoundRegionConversionTime}; +use rustc_infer::traits::query::NoSolution; +use rustc_infer::traits::ObligationCause; +use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; +use rustc_middle::ty::{ + self, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, + TypeVisitor, +}; +use rustc_span::DUMMY_SP; +use std::ops::ControlFlow; + +use super::search_graph::SearchGraph; +use super::Goal; + +pub struct EvalCtxt<'a, 'tcx> { + // FIXME: should be private. + pub(super) infcx: &'a InferCtxt<'tcx>, + + pub(super) var_values: CanonicalVarValues<'tcx>, + + pub(super) search_graph: &'a mut SearchGraph<'tcx>, + + /// This field is used by a debug assertion in [`EvalCtxt::evaluate_goal`], + /// see the comment in that method for more details. + pub in_projection_eq_hack: bool, +} + +impl<'tcx> EvalCtxt<'_, 'tcx> { + pub(super) fn probe<T>(&mut self, f: impl FnOnce(&mut EvalCtxt<'_, 'tcx>) -> T) -> T { + self.infcx.probe(|_| f(self)) + } + + pub(super) fn tcx(&self) -> TyCtxt<'tcx> { + self.infcx.tcx + } + + pub(super) fn next_ty_infer(&self) -> Ty<'tcx> { + self.infcx.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::MiscVariable, + span: DUMMY_SP, + }) + } + + pub(super) fn next_const_infer(&self, ty: Ty<'tcx>) -> ty::Const<'tcx> { + self.infcx.next_const_var( + ty, + ConstVariableOrigin { kind: ConstVariableOriginKind::MiscVariable, span: DUMMY_SP }, + ) + } + + /// Is the projection predicate is of the form `exists<T> <Ty as Trait>::Assoc = T`. + /// + /// This is the case if the `term` is an inference variable in the innermost universe + /// and does not occur in any other part of the predicate. + pub(super) fn term_is_fully_unconstrained( + &self, + goal: Goal<'tcx, ty::ProjectionPredicate<'tcx>>, + ) -> bool { + let term_is_infer = match goal.predicate.term.unpack() { + ty::TermKind::Ty(ty) => { + if let &ty::Infer(ty::TyVar(vid)) = ty.kind() { + match self.infcx.probe_ty_var(vid) { + Ok(value) => bug!("resolved var in query: {goal:?} {value:?}"), + Err(universe) => universe == self.universe(), + } + } else { + false + } + } + ty::TermKind::Const(ct) => { + if let ty::ConstKind::Infer(ty::InferConst::Var(vid)) = ct.kind() { + match self.infcx.probe_const_var(vid) { + Ok(value) => bug!("resolved var in query: {goal:?} {value:?}"), + Err(universe) => universe == self.universe(), + } + } else { + false + } + } + }; + + // Guard against `<T as Trait<?0>>::Assoc = ?0>`. + struct ContainsTerm<'tcx> { + term: ty::Term<'tcx>, + } + impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for ContainsTerm<'tcx> { + type BreakTy = (); + fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { + if t.needs_infer() { + if ty::Term::from(t) == self.term { + ControlFlow::Break(()) + } else { + t.super_visit_with(self) + } + } else { + ControlFlow::Continue(()) + } + } + + fn visit_const(&mut self, c: ty::Const<'tcx>) -> ControlFlow<Self::BreakTy> { + if c.needs_infer() { + if ty::Term::from(c) == self.term { + ControlFlow::Break(()) + } else { + c.super_visit_with(self) + } + } else { + ControlFlow::Continue(()) + } + } + } + + let mut visitor = ContainsTerm { term: goal.predicate.term }; + + term_is_infer + && goal.predicate.projection_ty.visit_with(&mut visitor).is_continue() + && goal.param_env.visit_with(&mut visitor).is_continue() + } + + #[instrument(level = "debug", skip(self, param_env), ret)] + pub(super) fn eq<T: ToTrace<'tcx>>( + &self, + param_env: ty::ParamEnv<'tcx>, + lhs: T, + rhs: T, + ) -> Result<Vec<Goal<'tcx, ty::Predicate<'tcx>>>, NoSolution> { + self.infcx + .at(&ObligationCause::dummy(), param_env) + .eq(lhs, rhs) + .map(|InferOk { value: (), obligations }| { + obligations.into_iter().map(|o| o.into()).collect() + }) + .map_err(|e| { + debug!(?e, "failed to equate"); + NoSolution + }) + } + + pub(super) fn instantiate_binder_with_infer<T: TypeFoldable<TyCtxt<'tcx>> + Copy>( + &self, + value: ty::Binder<'tcx, T>, + ) -> T { + self.infcx.instantiate_binder_with_fresh_vars( + DUMMY_SP, + LateBoundRegionConversionTime::HigherRankedType, + value, + ) + } + + pub(super) fn instantiate_binder_with_placeholders<T: TypeFoldable<TyCtxt<'tcx>> + Copy>( + &self, + value: ty::Binder<'tcx, T>, + ) -> T { + self.infcx.instantiate_binder_with_placeholders(value) + } + + pub(super) fn resolve_vars_if_possible<T>(&self, value: T) -> T + where + T: TypeFoldable<TyCtxt<'tcx>>, + { + self.infcx.resolve_vars_if_possible(value) + } + + pub(super) fn fresh_substs_for_item(&self, def_id: DefId) -> ty::SubstsRef<'tcx> { + self.infcx.fresh_substs_for_item(DUMMY_SP, def_id) + } + + pub(super) fn universe(&self) -> ty::UniverseIndex { + self.infcx.universe() + } +} diff --git a/compiler/rustc_trait_selection/src/solve/infcx_ext.rs b/compiler/rustc_trait_selection/src/solve/infcx_ext.rs deleted file mode 100644 index 36f987c9f9c..00000000000 --- a/compiler/rustc_trait_selection/src/solve/infcx_ext.rs +++ /dev/null @@ -1,78 +0,0 @@ -use rustc_infer::infer::at::ToTrace; -use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; -use rustc_infer::infer::{InferCtxt, InferOk, LateBoundRegionConversionTime}; -use rustc_infer::traits::query::NoSolution; -use rustc_infer::traits::ObligationCause; -use rustc_middle::infer::unify_key::{ConstVariableOrigin, ConstVariableOriginKind}; -use rustc_middle::ty::{self, Ty, TypeFoldable}; -use rustc_span::DUMMY_SP; - -use super::Goal; - -/// Methods used inside of the canonical queries of the solver. -/// -/// Most notably these do not care about diagnostics information. -/// If you find this while looking for methods to use outside of the -/// solver, you may look at the implementation of these method for -/// help. -pub(super) trait InferCtxtExt<'tcx> { - fn next_ty_infer(&self) -> Ty<'tcx>; - fn next_const_infer(&self, ty: Ty<'tcx>) -> ty::Const<'tcx>; - - fn eq<T: ToTrace<'tcx>>( - &self, - param_env: ty::ParamEnv<'tcx>, - lhs: T, - rhs: T, - ) -> Result<Vec<Goal<'tcx, ty::Predicate<'tcx>>>, NoSolution>; - - fn instantiate_binder_with_infer<T: TypeFoldable<'tcx> + Copy>( - &self, - value: ty::Binder<'tcx, T>, - ) -> T; -} - -impl<'tcx> InferCtxtExt<'tcx> for InferCtxt<'tcx> { - fn next_ty_infer(&self) -> Ty<'tcx> { - self.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::MiscVariable, - span: DUMMY_SP, - }) - } - fn next_const_infer(&self, ty: Ty<'tcx>) -> ty::Const<'tcx> { - self.next_const_var( - ty, - ConstVariableOrigin { kind: ConstVariableOriginKind::MiscVariable, span: DUMMY_SP }, - ) - } - - #[instrument(level = "debug", skip(self, param_env), ret)] - fn eq<T: ToTrace<'tcx>>( - &self, - param_env: ty::ParamEnv<'tcx>, - lhs: T, - rhs: T, - ) -> Result<Vec<Goal<'tcx, ty::Predicate<'tcx>>>, NoSolution> { - self.at(&ObligationCause::dummy(), param_env) - .define_opaque_types(false) - .eq(lhs, rhs) - .map(|InferOk { value: (), obligations }| { - obligations.into_iter().map(|o| o.into()).collect() - }) - .map_err(|e| { - debug!(?e, "failed to equate"); - NoSolution - }) - } - - fn instantiate_binder_with_infer<T: TypeFoldable<'tcx> + Copy>( - &self, - value: ty::Binder<'tcx, T>, - ) -> T { - self.instantiate_binder_with_fresh_vars( - DUMMY_SP, - LateBoundRegionConversionTime::HigherRankedType, - value, - ) - } -} diff --git a/compiler/rustc_trait_selection/src/solve/mod.rs b/compiler/rustc_trait_selection/src/solve/mod.rs index 6890811fd04..c080f7e59fa 100644 --- a/compiler/rustc_trait_selection/src/solve/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/mod.rs @@ -35,16 +35,15 @@ use crate::solve::search_graph::OverflowHandler; use crate::traits::ObligationCause; mod assembly; +mod eval_ctxt; mod fulfill; -mod infcx_ext; mod project_goals; mod search_graph; mod trait_goals; +pub use eval_ctxt::EvalCtxt; pub use fulfill::FulfillmentCtxt; -use self::infcx_ext::InferCtxtExt; - /// A goal is a statement, i.e. `predicate`, we want to prove /// given some assumptions, i.e. `param_env`. /// @@ -180,22 +179,7 @@ impl<'tcx> InferCtxtEvalExt<'tcx> for InferCtxt<'tcx> { } } -struct EvalCtxt<'a, 'tcx> { - infcx: &'a InferCtxt<'tcx>, - var_values: CanonicalVarValues<'tcx>, - - search_graph: &'a mut search_graph::SearchGraph<'tcx>, - - /// This field is used by a debug assertion in [`EvalCtxt::evaluate_goal`], - /// see the comment in that method for more details. - in_projection_eq_hack: bool, -} - impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { - fn tcx(&self) -> TyCtxt<'tcx> { - self.infcx.tcx - } - /// The entry point of the solver. /// /// This function deals with (coinductive) cycles, overflow, and caching @@ -427,7 +411,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { let evaluate_normalizes_to = |ecx: &mut EvalCtxt<'_, 'tcx>, alias, other| { debug!("evaluate_normalizes_to(alias={:?}, other={:?})", alias, other); - let r = ecx.infcx.probe(|_| { + let r = ecx.probe(|ecx| { let (_, certainty) = ecx.evaluate_goal(goal.with( tcx, ty::Binder::dummy(ty::ProjectionPredicate { @@ -462,10 +446,10 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { // Evaluate all 3 potential candidates for the alias' being equal candidates.push(evaluate_normalizes_to(self, alias_lhs, goal.predicate.1)); candidates.push(evaluate_normalizes_to(self, alias_rhs, goal.predicate.0)); - candidates.push(self.infcx.probe(|_| { + candidates.push(self.probe(|this| { debug!("compute_alias_eq_goal: alias defids are equal, equating substs"); - let nested_goals = self.infcx.eq(goal.param_env, alias_lhs, alias_rhs)?; - self.evaluate_all_and_make_canonical_response(nested_goals) + let nested_goals = this.eq(goal.param_env, alias_lhs, alias_rhs)?; + this.evaluate_all_and_make_canonical_response(nested_goals) })); debug!(?candidates); @@ -481,7 +465,7 @@ impl<'a, 'tcx> EvalCtxt<'a, 'tcx> { goal: Goal<'tcx, (ty::Const<'tcx>, Ty<'tcx>)>, ) -> QueryResult<'tcx> { let (ct, ty) = goal.predicate; - let nested_goals = self.infcx.eq(goal.param_env, ct.ty(), ty)?; + let nested_goals = self.eq(goal.param_env, ct.ty(), ty)?; self.evaluate_all_and_make_canonical_response(nested_goals) } } diff --git a/compiler/rustc_trait_selection/src/solve/project_goals.rs b/compiler/rustc_trait_selection/src/solve/project_goals.rs index 883342148f4..d4fdd545737 100644 --- a/compiler/rustc_trait_selection/src/solve/project_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/project_goals.rs @@ -1,7 +1,6 @@ use crate::traits::{specialization_graph, translate_substs}; use super::assembly; -use super::infcx_ext::InferCtxtExt; use super::trait_goals::structural_traits; use super::{Certainty, EvalCtxt, Goal, QueryResult}; use rustc_errors::ErrorGuaranteed; @@ -13,12 +12,11 @@ use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::specialization_graph::LeafDef; use rustc_infer::traits::Reveal; use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; +use rustc_middle::ty::ProjectionPredicate; use rustc_middle::ty::{self, Ty, TyCtxt}; -use rustc_middle::ty::{ir::TypeVisitor, ProjectionPredicate, TypeSuperVisitable}; -use rustc_middle::ty::{ToPredicate, TypeVisitable}; +use rustc_middle::ty::{ToPredicate, TypeVisitableExt}; use rustc_span::{sym, DUMMY_SP}; use std::iter; -use std::ops::ControlFlow; impl<'tcx> EvalCtxt<'_, 'tcx> { pub(super) fn compute_projection_goal( @@ -38,8 +36,8 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { } else { let predicate = goal.predicate; let unconstrained_rhs = match predicate.term.unpack() { - ty::TermKind::Ty(_) => self.infcx.next_ty_infer().into(), - ty::TermKind::Const(ct) => self.infcx.next_const_infer(ct.ty()).into(), + ty::TermKind::Ty(_) => self.next_ty_infer().into(), + ty::TermKind::Const(ct) => self.next_const_infer(ct.ty()).into(), }; let unconstrained_predicate = ty::Clause::Projection(ProjectionPredicate { projection_ty: goal.predicate.projection_ty, @@ -49,8 +47,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { this.evaluate_goal(goal.with(this.tcx(), unconstrained_predicate)) })?; - let nested_eq_goals = - self.infcx.eq(goal.param_env, unconstrained_rhs, predicate.term)?; + let nested_eq_goals = self.eq(goal.param_env, unconstrained_rhs, predicate.term)?; let eval_certainty = self.evaluate_all(nested_eq_goals)?; self.make_canonical_response(normalize_certainty.unify_and(eval_certainty)) } @@ -65,73 +62,6 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { result } - /// Is the projection predicate is of the form `exists<T> <Ty as Trait>::Assoc = T`. - /// - /// This is the case if the `term` is an inference variable in the innermost universe - /// and does not occur in any other part of the predicate. - fn term_is_fully_unconstrained(&self, goal: Goal<'tcx, ProjectionPredicate<'tcx>>) -> bool { - let infcx = self.infcx; - let term_is_infer = match goal.predicate.term.unpack() { - ty::TermKind::Ty(ty) => { - if let &ty::Infer(ty::TyVar(vid)) = ty.kind() { - match infcx.probe_ty_var(vid) { - Ok(value) => bug!("resolved var in query: {goal:?} {value:?}"), - Err(universe) => universe == infcx.universe(), - } - } else { - false - } - } - ty::TermKind::Const(ct) => { - if let ty::ConstKind::Infer(ty::InferConst::Var(vid)) = ct.kind() { - match self.infcx.probe_const_var(vid) { - Ok(value) => bug!("resolved var in query: {goal:?} {value:?}"), - Err(universe) => universe == infcx.universe(), - } - } else { - false - } - } - }; - - // Guard against `<T as Trait<?0>>::Assoc = ?0>`. - struct ContainsTerm<'tcx> { - term: ty::Term<'tcx>, - } - impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for ContainsTerm<'tcx> { - type BreakTy = (); - fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { - if t.needs_infer() { - if ty::Term::from(t) == self.term { - ControlFlow::Break(()) - } else { - t.super_visit_with(self) - } - } else { - ControlFlow::Continue(()) - } - } - - fn visit_const(&mut self, c: ty::Const<'tcx>) -> ControlFlow<Self::BreakTy> { - if c.needs_infer() { - if ty::Term::from(c) == self.term { - ControlFlow::Break(()) - } else { - c.super_visit_with(self) - } - } else { - ControlFlow::Continue(()) - } - } - } - - let mut visitor = ContainsTerm { term: goal.predicate.term }; - - term_is_infer - && goal.predicate.projection_ty.visit_with(&mut visitor).is_continue() - && goal.param_env.visit_with(&mut visitor).is_continue() - } - /// After normalizing the projection to `normalized_alias` with the given /// `normalization_certainty`, constrain the inference variable `term` to it /// and return a query response. @@ -145,7 +75,6 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { // // It can however be ambiguous when the `normalized_alias` contains a projection. let nested_goals = self - .infcx .eq(goal.param_env, goal.predicate.term, normalized_alias.into()) .expect("failed to unify with unconstrained term"); let rhs_certainty = @@ -168,6 +97,37 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { self.trait_def_id(tcx) } + fn consider_implied_clause( + ecx: &mut EvalCtxt<'_, 'tcx>, + goal: Goal<'tcx, Self>, + assumption: ty::Predicate<'tcx>, + requirements: impl IntoIterator<Item = Goal<'tcx, ty::Predicate<'tcx>>>, + ) -> QueryResult<'tcx> { + if let Some(poly_projection_pred) = assumption.to_opt_poly_projection_pred() + && poly_projection_pred.projection_def_id() == goal.predicate.def_id() + { + ecx.probe(|ecx| { + let assumption_projection_pred = + ecx.instantiate_binder_with_infer(poly_projection_pred); + let mut nested_goals = ecx.eq( + goal.param_env, + goal.predicate.projection_ty, + assumption_projection_pred.projection_ty, + )?; + nested_goals.extend(requirements); + let subst_certainty = ecx.evaluate_all(nested_goals)?; + + ecx.eq_term_and_make_canonical_response( + goal, + subst_certainty, + assumption_projection_pred.term, + ) + }) + } else { + Err(NoSolution) + } + } + fn consider_impl_candidate( ecx: &mut EvalCtxt<'_, 'tcx>, goal: Goal<'tcx, ProjectionPredicate<'tcx>>, @@ -184,11 +144,11 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { return Err(NoSolution); } - ecx.infcx.probe(|_| { - let impl_substs = ecx.infcx.fresh_substs_for_item(DUMMY_SP, impl_def_id); + ecx.probe(|ecx| { + let impl_substs = ecx.fresh_substs_for_item(impl_def_id); let impl_trait_ref = impl_trait_ref.subst(tcx, impl_substs); - let mut nested_goals = ecx.infcx.eq(goal.param_env, goal_trait_ref, impl_trait_ref)?; + let mut nested_goals = ecx.eq(goal.param_env, goal_trait_ref, impl_trait_ref)?; let where_clause_bounds = tcx .predicates_of(impl_def_id) .instantiate(tcx, impl_substs) @@ -260,35 +220,6 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { }) } - fn consider_assumption( - ecx: &mut EvalCtxt<'_, 'tcx>, - goal: Goal<'tcx, Self>, - assumption: ty::Predicate<'tcx>, - ) -> QueryResult<'tcx> { - if let Some(poly_projection_pred) = assumption.to_opt_poly_projection_pred() - && poly_projection_pred.projection_def_id() == goal.predicate.def_id() - { - ecx.infcx.probe(|_| { - let assumption_projection_pred = - ecx.infcx.instantiate_binder_with_infer(poly_projection_pred); - let nested_goals = ecx.infcx.eq( - goal.param_env, - goal.predicate.projection_ty, - assumption_projection_pred.projection_ty, - )?; - let subst_certainty = ecx.evaluate_all(nested_goals)?; - - ecx.eq_term_and_make_canonical_response( - goal, - subst_certainty, - assumption_projection_pred.term, - ) - }) - } else { - Err(NoSolution) - } - } - fn consider_auto_trait_candidate( _ecx: &mut EvalCtxt<'_, 'tcx>, goal: Goal<'tcx, Self>, @@ -329,25 +260,28 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> QueryResult<'tcx> { - if let Some(tupled_inputs_and_output) = - structural_traits::extract_tupled_inputs_and_output_from_callable( - ecx.tcx(), - goal.predicate.self_ty(), - goal_kind, - )? - { - let pred = tupled_inputs_and_output - .map_bound(|(inputs, output)| ty::ProjectionPredicate { - projection_ty: ecx - .tcx() - .mk_alias_ty(goal.predicate.def_id(), [goal.predicate.self_ty(), inputs]), - term: output.into(), - }) - .to_predicate(ecx.tcx()); - Self::consider_assumption(ecx, goal, pred) - } else { - ecx.make_canonical_response(Certainty::AMBIGUOUS) - } + let tcx = ecx.tcx(); + let Some(tupled_inputs_and_output) = + structural_traits::extract_tupled_inputs_and_output_from_callable( + tcx, + goal.predicate.self_ty(), + goal_kind, + )? else { + return ecx.make_canonical_response(Certainty::AMBIGUOUS); + }; + let output_is_sized_pred = tupled_inputs_and_output + .map_bound(|(_, output)| tcx.at(DUMMY_SP).mk_trait_ref(LangItem::Sized, [output])); + + let pred = tupled_inputs_and_output + .map_bound(|(inputs, output)| ty::ProjectionPredicate { + projection_ty: tcx + .mk_alias_ty(goal.predicate.def_id(), [goal.predicate.self_ty(), inputs]), + term: output.into(), + }) + .to_predicate(tcx); + // A built-in `Fn` impl only holds if the output is sized. + // (FIXME: technically we only need to check this if the type is a fn ptr...) + Self::consider_implied_clause(ecx, goal, pred, [goal.with(tcx, output_is_sized_pred)]) } fn consider_builtin_tuple_candidate( @@ -362,7 +296,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { goal: Goal<'tcx, Self>, ) -> QueryResult<'tcx> { let tcx = ecx.tcx(); - ecx.infcx.probe(|_| { + ecx.probe(|ecx| { let metadata_ty = match goal.predicate.self_ty().kind() { ty::Bool | ty::Char @@ -382,7 +316,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { | ty::Never | ty::Foreign(..) => tcx.types.unit, - ty::Error(e) => tcx.ty_error_with_guaranteed(*e), + ty::Error(e) => tcx.ty_error(*e), ty::Str | ty::Slice(_) => tcx.types.usize, @@ -466,7 +400,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { let term = substs.as_generator().return_ty().into(); - Self::consider_assumption( + Self::consider_implied_clause( ecx, goal, ty::Binder::dummy(ty::ProjectionPredicate { @@ -474,6 +408,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { term, }) .to_predicate(tcx), + // Technically, we need to check that the future type is Sized, + // but that's already proven by the generator being WF. + [], ) } @@ -503,7 +440,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { bug!("unexpected associated item `<{self_ty} as Generator>::{name}`") }; - Self::consider_assumption( + Self::consider_implied_clause( ecx, goal, ty::Binder::dummy(ty::ProjectionPredicate { @@ -513,6 +450,9 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { term, }) .to_predicate(tcx), + // Technically, we need to check that the future type is Sized, + // but that's already proven by the generator being WF. + [], ) } @@ -535,8 +475,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for ProjectionPredicate<'tcx> { goal: Goal<'tcx, Self>, ) -> QueryResult<'tcx> { let discriminant = goal.predicate.self_ty().discriminant_ty(ecx.tcx()); - ecx.infcx - .probe(|_| ecx.eq_term_and_make_canonical_response(goal, Certainty::Yes, discriminant)) + ecx.probe(|ecx| ecx.eq_term_and_make_canonical_response(goal, Certainty::Yes, discriminant)) } } diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index 0921fb5756d..aff79739d45 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -3,15 +3,14 @@ use std::iter; use super::assembly; -use super::infcx_ext::InferCtxtExt; use super::{CanonicalResponse, Certainty, EvalCtxt, Goal, QueryResult}; use rustc_hir::def_id::DefId; -use rustc_infer::infer::InferCtxt; +use rustc_hir::LangItem; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::util::supertraits; use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; use rustc_middle::ty::{self, ToPredicate, Ty, TyCtxt}; -use rustc_middle::ty::{TraitPredicate, TypeVisitable}; +use rustc_middle::ty::{TraitPredicate, TypeVisitableExt}; use rustc_span::DUMMY_SP; pub mod structural_traits; @@ -44,12 +43,12 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { return Err(NoSolution); } - ecx.infcx.probe(|_| { - let impl_substs = ecx.infcx.fresh_substs_for_item(DUMMY_SP, impl_def_id); + ecx.probe(|ecx| { + let impl_substs = ecx.fresh_substs_for_item(impl_def_id); let impl_trait_ref = impl_trait_ref.subst(tcx, impl_substs); let mut nested_goals = - ecx.infcx.eq(goal.param_env, goal.predicate.trait_ref, impl_trait_ref)?; + ecx.eq(goal.param_env, goal.predicate.trait_ref, impl_trait_ref)?; let where_clause_bounds = tcx .predicates_of(impl_def_id) .instantiate(tcx, impl_substs) @@ -61,23 +60,25 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { }) } - fn consider_assumption( + fn consider_implied_clause( ecx: &mut EvalCtxt<'_, 'tcx>, goal: Goal<'tcx, Self>, assumption: ty::Predicate<'tcx>, + requirements: impl IntoIterator<Item = Goal<'tcx, ty::Predicate<'tcx>>>, ) -> QueryResult<'tcx> { if let Some(poly_trait_pred) = assumption.to_opt_poly_trait_pred() && poly_trait_pred.def_id() == goal.predicate.def_id() { // FIXME: Constness and polarity - ecx.infcx.probe(|_| { + ecx.probe(|ecx| { let assumption_trait_pred = - ecx.infcx.instantiate_binder_with_infer(poly_trait_pred); - let nested_goals = ecx.infcx.eq( + ecx.instantiate_binder_with_infer(poly_trait_pred); + let mut nested_goals = ecx.eq( goal.param_env, goal.predicate.trait_ref, assumption_trait_pred.trait_ref, )?; + nested_goals.extend(requirements); ecx.evaluate_all_and_make_canonical_response(nested_goals) }) } else { @@ -115,7 +116,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ) -> QueryResult<'tcx> { let tcx = ecx.tcx(); - ecx.infcx.probe(|_| { + ecx.probe(|ecx| { let nested_obligations = tcx .predicates_of(goal.predicate.def_id()) .instantiate(tcx, goal.predicate.trait_ref.substs); @@ -173,23 +174,26 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { goal: Goal<'tcx, Self>, goal_kind: ty::ClosureKind, ) -> QueryResult<'tcx> { - if let Some(tupled_inputs_and_output) = + let tcx = ecx.tcx(); + let Some(tupled_inputs_and_output) = structural_traits::extract_tupled_inputs_and_output_from_callable( - ecx.tcx(), + tcx, goal.predicate.self_ty(), goal_kind, - )? - { - let pred = tupled_inputs_and_output - .map_bound(|(inputs, _)| { - ecx.tcx() - .mk_trait_ref(goal.predicate.def_id(), [goal.predicate.self_ty(), inputs]) - }) - .to_predicate(ecx.tcx()); - Self::consider_assumption(ecx, goal, pred) - } else { - ecx.make_canonical_response(Certainty::AMBIGUOUS) - } + )? else { + return ecx.make_canonical_response(Certainty::AMBIGUOUS); + }; + let output_is_sized_pred = tupled_inputs_and_output + .map_bound(|(_, output)| tcx.at(DUMMY_SP).mk_trait_ref(LangItem::Sized, [output])); + + let pred = tupled_inputs_and_output + .map_bound(|(inputs, _)| { + tcx.mk_trait_ref(goal.predicate.def_id(), [goal.predicate.self_ty(), inputs]) + }) + .to_predicate(tcx); + // A built-in `Fn` impl only holds if the output is sized. + // (FIXME: technically we only need to check this if the type is a fn ptr...) + Self::consider_implied_clause(ecx, goal, pred, [goal.with(tcx, output_is_sized_pred)]) } fn consider_builtin_tuple_candidate( @@ -225,6 +229,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } // Async generator unconditionally implement `Future` + // Technically, we need to check that the future output type is Sized, + // but that's already proven by the generator being WF. ecx.make_canonical_response(Certainty::Yes) } @@ -244,13 +250,16 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } let generator = substs.as_generator(); - Self::consider_assumption( + Self::consider_implied_clause( ecx, goal, ty::Binder::dummy( tcx.mk_trait_ref(goal.predicate.def_id(), [self_ty, generator.resume_ty()]), ) .to_predicate(tcx), + // Technically, we need to check that the generator types are Sized, + // but that's already proven by the generator being WF. + [], ) } @@ -264,7 +273,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { if b_ty.is_ty_var() { return ecx.make_canonical_response(Certainty::AMBIGUOUS); } - ecx.infcx.probe(|_| { + ecx.probe(|ecx| { match (a_ty.kind(), b_ty.kind()) { // Trait upcasting, or `dyn Trait + Auto + 'a` -> `dyn Trait + 'b` (&ty::Dynamic(_, _, ty::Dyn), &ty::Dynamic(_, _, ty::Dyn)) => { @@ -307,7 +316,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { // `[T; n]` -> `[T]` unsizing (&ty::Array(a_elem_ty, ..), &ty::Slice(b_elem_ty)) => { // We just require that the element type stays the same - let nested_goals = ecx.infcx.eq(goal.param_env, a_elem_ty, b_elem_ty)?; + let nested_goals = ecx.eq(goal.param_env, a_elem_ty, b_elem_ty)?; ecx.evaluate_all_and_make_canonical_response(nested_goals) } // Struct unsizing `Struct<T>` -> `Struct<U>` where `T: Unsize<U>` @@ -341,7 +350,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { // Finally, we require that `TailA: Unsize<TailB>` for the tail field // types. - let mut nested_goals = ecx.infcx.eq(goal.param_env, unsized_a_ty, b_ty)?; + let mut nested_goals = ecx.eq(goal.param_env, unsized_a_ty, b_ty)?; nested_goals.push(goal.with( tcx, ty::Binder::dummy( @@ -359,8 +368,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { let b_last_ty = b_tys.last().unwrap(); // Substitute just the tail field of B., and require that they're equal. - let unsized_a_ty = tcx.mk_tup(a_rest_tys.iter().chain([b_last_ty])); - let mut nested_goals = ecx.infcx.eq(goal.param_env, unsized_a_ty, b_ty)?; + let unsized_a_ty = tcx.mk_tup(a_rest_tys.iter().chain([b_last_ty]).copied()); + let mut nested_goals = ecx.eq(goal.param_env, unsized_a_ty, b_ty)?; // Similar to ADTs, require that the rest of the fields are equal. nested_goals.push(goal.with( @@ -400,7 +409,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } let mut unsize_dyn_to_principal = |principal: Option<ty::PolyExistentialTraitRef<'tcx>>| { - ecx.infcx.probe(|_| -> Result<_, NoSolution> { + ecx.probe(|ecx| -> Result<_, NoSolution> { // Require that all of the trait predicates from A match B, except for // the auto traits. We do this by constructing a new A type with B's // auto traits, and equating these types. @@ -420,7 +429,7 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { let new_a_ty = tcx.mk_dynamic(new_a_data, b_region, ty::Dyn); // We also require that A's lifetime outlives B's lifetime. - let mut nested_obligations = ecx.infcx.eq(goal.param_env, new_a_ty, b_ty)?; + let mut nested_obligations = ecx.eq(goal.param_env, new_a_ty, b_ty)?; nested_obligations.push( goal.with(tcx, ty::Binder::dummy(ty::OutlivesPredicate(a_region, b_region))), ); @@ -471,16 +480,16 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { fn probe_and_evaluate_goal_for_constituent_tys( &mut self, goal: Goal<'tcx, TraitPredicate<'tcx>>, - constituent_tys: impl Fn(&InferCtxt<'tcx>, Ty<'tcx>) -> Result<Vec<Ty<'tcx>>, NoSolution>, + constituent_tys: impl Fn(&EvalCtxt<'_, 'tcx>, Ty<'tcx>) -> Result<Vec<Ty<'tcx>>, NoSolution>, ) -> QueryResult<'tcx> { - self.infcx.probe(|_| { - self.evaluate_all_and_make_canonical_response( - constituent_tys(self.infcx, goal.predicate.self_ty())? + self.probe(|this| { + this.evaluate_all_and_make_canonical_response( + constituent_tys(this, goal.predicate.self_ty())? .into_iter() .map(|ty| { goal.with( - self.tcx(), - ty::Binder::dummy(goal.predicate.with_self_ty(self.tcx(), ty)), + this.tcx(), + ty::Binder::dummy(goal.predicate.with_self_ty(this.tcx(), ty)), ) }) .collect(), diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals/structural_traits.rs b/compiler/rustc_trait_selection/src/solve/trait_goals/structural_traits.rs index b6847b976be..2c13465d347 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals/structural_traits.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals/structural_traits.rs @@ -1,16 +1,18 @@ use rustc_hir::{Movability, Mutability}; -use rustc_infer::{infer::InferCtxt, traits::query::NoSolution}; +use rustc_infer::traits::query::NoSolution; use rustc_middle::ty::{self, Ty, TyCtxt}; +use crate::solve::EvalCtxt; + // Calculates the constituent types of a type for `auto trait` purposes. // // For types with an "existential" binder, i.e. generator witnesses, we also // instantiate the binder with placeholders eagerly. pub(super) fn instantiate_constituent_tys_for_auto_trait<'tcx>( - infcx: &InferCtxt<'tcx>, + ecx: &EvalCtxt<'_, 'tcx>, ty: Ty<'tcx>, ) -> Result<Vec<Ty<'tcx>>, NoSolution> { - let tcx = infcx.tcx; + let tcx = ecx.tcx(); match *ty.kind() { ty::Uint(_) | ty::Int(_) @@ -53,9 +55,7 @@ pub(super) fn instantiate_constituent_tys_for_auto_trait<'tcx>( Ok(vec![generator_substs.tupled_upvars_ty(), generator_substs.witness()]) } - ty::GeneratorWitness(types) => { - Ok(infcx.instantiate_binder_with_placeholders(types).to_vec()) - } + ty::GeneratorWitness(types) => Ok(ecx.instantiate_binder_with_placeholders(types).to_vec()), ty::GeneratorWitnessMIR(..) => todo!(), @@ -74,7 +74,7 @@ pub(super) fn instantiate_constituent_tys_for_auto_trait<'tcx>( } pub(super) fn instantiate_constituent_tys_for_sized_trait<'tcx>( - infcx: &InferCtxt<'tcx>, + ecx: &EvalCtxt<'_, 'tcx>, ty: Ty<'tcx>, ) -> Result<Vec<Ty<'tcx>>, NoSolution> { match *ty.kind() { @@ -113,18 +113,18 @@ pub(super) fn instantiate_constituent_tys_for_sized_trait<'tcx>( ty::Tuple(tys) => Ok(tys.to_vec()), ty::Adt(def, substs) => { - let sized_crit = def.sized_constraint(infcx.tcx); + let sized_crit = def.sized_constraint(ecx.tcx()); Ok(sized_crit .0 .iter() - .map(|ty| sized_crit.rebind(*ty).subst(infcx.tcx, substs)) + .map(|ty| sized_crit.rebind(*ty).subst(ecx.tcx(), substs)) .collect()) } } } pub(super) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( - infcx: &InferCtxt<'tcx>, + ecx: &EvalCtxt<'_, 'tcx>, ty: Ty<'tcx>, ) -> Result<Vec<Ty<'tcx>>, NoSolution> { match *ty.kind() { @@ -165,7 +165,7 @@ pub(super) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( ty::Closure(_, substs) => Ok(vec![substs.as_closure().tupled_upvars_ty()]), ty::Generator(_, substs, Movability::Movable) => { - if infcx.tcx.features().generator_clone { + if ecx.tcx().features().generator_clone { let generator = substs.as_generator(); Ok(vec![generator.tupled_upvars_ty(), generator.witness()]) } else { @@ -173,9 +173,7 @@ pub(super) fn instantiate_constituent_tys_for_copy_clone_trait<'tcx>( } } - ty::GeneratorWitness(types) => { - Ok(infcx.instantiate_binder_with_placeholders(types).to_vec()) - } + ty::GeneratorWitness(types) => Ok(ecx.instantiate_binder_with_placeholders(types).to_vec()), ty::GeneratorWitnessMIR(..) => todo!(), } @@ -191,10 +189,10 @@ pub(crate) fn extract_tupled_inputs_and_output_from_callable<'tcx>( ty::FnDef(def_id, substs) => Ok(Some( tcx.fn_sig(def_id) .subst(tcx, substs) - .map_bound(|sig| (tcx.mk_tup(sig.inputs().iter()), sig.output())), + .map_bound(|sig| (tcx.intern_tup(sig.inputs()), sig.output())), )), ty::FnPtr(sig) => { - Ok(Some(sig.map_bound(|sig| (tcx.mk_tup(sig.inputs().iter()), sig.output())))) + Ok(Some(sig.map_bound(|sig| (tcx.intern_tup(sig.inputs()), sig.output())))) } ty::Closure(_, substs) => { let closure_substs = substs.as_closure(); diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index 9776cc57af8..6f2b0856d51 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -8,9 +8,8 @@ use crate::infer::region_constraints::{Constraint, RegionConstraintData}; use crate::infer::InferCtxt; use crate::traits::project::ProjectAndUnifyResult; use rustc_middle::mir::interpret::ErrorHandled; -use rustc_middle::ty::fold::{ir::TypeFolder, TypeSuperFoldable}; -#[cfg(not(bootstrap))] -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::fold::{TypeFolder, TypeSuperFoldable}; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{ImplPolarity, Region, RegionVid}; use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexSet}; diff --git a/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs b/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs index e26bef0b8b7..b42a49eb47b 100644 --- a/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs @@ -8,7 +8,7 @@ use crate::traits::{ SelectionError, TraitEngine, }; use rustc_data_structures::fx::FxIndexSet; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; pub struct FulfillmentContext<'tcx> { obligations: FxIndexSet<PredicateObligation<'tcx>>, diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 599238e405d..6b688c322c7 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -21,8 +21,8 @@ use rustc_infer::infer::{DefiningAnchor, InferCtxt, TyCtxtInferExt}; use rustc_infer::traits::util; use rustc_middle::traits::specialization_graph::OverlapMode; use rustc_middle::ty::fast_reject::{DeepRejectCtxt, TreatParams}; -use rustc_middle::ty::visit::TypeVisitable; -use rustc_middle::ty::{self, ir::TypeVisitor, ImplSubject, Ty, TyCtxt}; +use rustc_middle::ty::visit::{TypeVisitable, TypeVisitableExt}; +use rustc_middle::ty::{self, ImplSubject, Ty, TyCtxt, TypeVisitor}; use rustc_span::symbol::sym; use rustc_span::DUMMY_SP; use std::fmt::Debug; @@ -217,6 +217,7 @@ fn equate_impl_headers<'cx, 'tcx>( selcx .infcx .at(&ObligationCause::dummy(), ty::ParamEnv::empty()) + .define_opaque_types(true) .eq_impl_headers(impl1_header, impl2_header) .map(|infer_ok| infer_ok.obligations) .ok() diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs index dd9b5b534d7..345e84990ed 100644 --- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs +++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs @@ -14,7 +14,7 @@ use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::traits::ObligationCause; use rustc_middle::ty::abstract_const::NotConstEvaluatable; -use rustc_middle::ty::{self, ir::TypeVisitor, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, TyCtxt, TypeVisitable, TypeVisitableExt, TypeVisitor}; use rustc_span::Span; use std::ops::ControlFlow; diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index a2ddd91546c..b20636174ee 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -104,7 +104,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { }); } - pub fn normalize<T: TypeFoldable<'tcx>>( + pub fn normalize<T: TypeFoldable<TyCtxt<'tcx>>>( &self, cause: &ObligationCause<'tcx>, param_env: ty::ParamEnv<'tcx>, @@ -128,6 +128,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { { self.infcx .at(cause, param_env) + .define_opaque_types(true) .eq_exp(a_is_expected, a, b) .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) } @@ -141,6 +142,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { ) -> Result<(), TypeError<'tcx>> { self.infcx .at(cause, param_env) + .define_opaque_types(true) .eq(expected, actual) .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) } @@ -155,6 +157,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { ) -> Result<(), TypeError<'tcx>> { self.infcx .at(cause, param_env) + .define_opaque_types(true) .sup(expected, actual) .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) } @@ -169,6 +172,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { ) -> Result<(), TypeError<'tcx>> { self.infcx .at(cause, param_env) + .define_opaque_types(true) .sup(expected, actual) .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) } @@ -216,7 +220,7 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { answer: T, ) -> Fallible<CanonicalQueryResponse<'tcx, T>> where - T: Debug + TypeFoldable<'tcx>, + T: Debug + TypeFoldable<TyCtxt<'tcx>>, Canonical<'tcx, QueryResponse<'tcx, T>>: ArenaAllocatable<'tcx>, { self.infcx.make_canonicalized_query_response( diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/method_chain.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/method_chain.rs index 9474c70cb53..1174efdbfa8 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/method_chain.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/method_chain.rs @@ -98,7 +98,7 @@ impl<'tcx> ObligationEmittingRelation<'tcx> for CollectAllMismatches<'_, 'tcx> { fn register_predicates( &mut self, - _obligations: impl IntoIterator<Item = impl ty::ToPredicate<'tcx>>, + _obligations: impl IntoIterator<Item: ty::ToPredicate<'tcx>>, ) { // FIXME(deferred_projection_equality) } diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index 2511e9a955a..a844a1494e2 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -34,10 +34,11 @@ use rustc_infer::infer::{InferOk, TypeTrace}; use rustc_middle::traits::select::OverflowError; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::{ExpectedFound, TypeError}; -use rustc_middle::ty::fold::{ir::TypeFolder, TypeSuperFoldable}; +use rustc_middle::ty::fold::{TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::print::{with_forced_trimmed_paths, FmtPrinter, Print}; use rustc_middle::ty::{ self, SubtypePredicate, ToPolyTraitRef, ToPredicate, TraitRef, Ty, TyCtxt, TypeFoldable, + TypeVisitable, TypeVisitableExt, }; use rustc_session::config::TraitSolver; use rustc_session::Limit; @@ -108,7 +109,7 @@ pub trait TypeErrCtxtExt<'tcx> { ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> where T: fmt::Display - + TypeFoldable<'tcx> + + TypeFoldable<TyCtxt<'tcx>> + Print<'tcx, FmtPrinter<'tcx, 'tcx>, Output = FmtPrinter<'tcx, 'tcx>>, <T as Print<'tcx, FmtPrinter<'tcx, 'tcx>>>::Error: std::fmt::Debug; @@ -121,7 +122,7 @@ pub trait TypeErrCtxtExt<'tcx> { ) -> ! where T: fmt::Display - + TypeFoldable<'tcx> + + TypeFoldable<TyCtxt<'tcx>> + Print<'tcx, FmtPrinter<'tcx, 'tcx>, Output = FmtPrinter<'tcx, 'tcx>>, <T as Print<'tcx, FmtPrinter<'tcx, 'tcx>>>::Error: std::fmt::Debug; @@ -491,7 +492,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) -> ! where T: fmt::Display - + TypeFoldable<'tcx> + + TypeFoldable<TyCtxt<'tcx>> + Print<'tcx, FmtPrinter<'tcx, 'tcx>, Output = FmtPrinter<'tcx, 'tcx>>, <T as Print<'tcx, FmtPrinter<'tcx, 'tcx>>>::Error: std::fmt::Debug, { @@ -511,7 +512,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) -> DiagnosticBuilder<'tcx, ErrorGuaranteed> where T: fmt::Display - + TypeFoldable<'tcx> + + TypeFoldable<TyCtxt<'tcx>> + Print<'tcx, FmtPrinter<'tcx, 'tcx>, Output = FmtPrinter<'tcx, 'tcx>>, <T as Print<'tcx, FmtPrinter<'tcx, 'tcx>>>::Error: std::fmt::Debug, { @@ -2104,7 +2105,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { // Ignore automatically derived impls and `!Trait` impls. .filter(|&def_id| { self.tcx.impl_polarity(def_id) != ty::ImplPolarity::Negative - || self.tcx.is_builtin_derive(def_id) + || self.tcx.is_automatically_derived(def_id) }) .filter_map(|def_id| self.tcx.impl_trait_ref(def_id)) .map(ty::EarlyBinder::subst_identity) @@ -2970,7 +2971,7 @@ impl ArgKind { struct HasNumericInferVisitor; -impl<'tcx> ty::ir::TypeVisitor<TyCtxt<'tcx>> for HasNumericInferVisitor { +impl<'tcx> ty::TypeVisitor<TyCtxt<'tcx>> for HasNumericInferVisitor { type BreakTy = (); fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index a0c67f480d0..1272d942b14 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -30,10 +30,10 @@ use rustc_middle::hir::map; use rustc_middle::ty::error::TypeError::{self, Sorts}; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::{ - self, ir::TypeFolder, suggest_arbitrary_trait_bound, suggest_constraining_type_param, AdtKind, - DefIdTree, GeneratorDiagnosticData, GeneratorInteriorTypeCause, Infer, InferTy, InternalSubsts, - IsSuggestable, ToPredicate, Ty, TyCtxt, TypeAndMut, TypeFoldable, TypeSuperFoldable, - TypeckResults, + self, suggest_arbitrary_trait_bound, suggest_constraining_type_param, AdtKind, DefIdTree, + GeneratorDiagnosticData, GeneratorInteriorTypeCause, Infer, InferTy, InternalSubsts, + IsSuggestable, ToPredicate, Ty, TyCtxt, TypeAndMut, TypeFoldable, TypeFolder, + TypeSuperFoldable, TypeVisitableExt, TypeckResults, }; use rustc_span::def_id::LocalDefId; use rustc_span::symbol::{sym, Ident, Symbol}; @@ -927,7 +927,10 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { DefKind::Ctor(CtorOf::Variant, _) => { "use parentheses to construct this tuple variant".to_string() } - kind => format!("use parentheses to call this {}", kind.descr(def_id)), + kind => format!( + "use parentheses to call this {}", + self.tcx.def_kind_descr(kind, def_id) + ), }, DefIdOrName::Name(name) => format!("use parentheses to call this {name}"), }; @@ -2012,7 +2015,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { let sig = match inputs.kind() { ty::Tuple(inputs) if infcx.tcx.is_fn_trait(trait_ref.def_id()) => { infcx.tcx.mk_fn_sig( - inputs.iter(), + *inputs, infcx.next_ty_var(TypeVariableOrigin { span: DUMMY_SP, kind: TypeVariableOriginKind::MiscVariable, @@ -2023,7 +2026,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ) } _ => infcx.tcx.mk_fn_sig( - std::iter::once(inputs), + [inputs], infcx.next_ty_var(TypeVariableOrigin { span: DUMMY_SP, kind: TypeVariableOriginKind::MiscVariable, @@ -2139,7 +2142,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { err.note(&format!( "{}s cannot be accessed directly on a `trait`, they can only be \ accessed through a specific `impl`", - assoc_item.kind.as_def_kind().descr(item_def_id) + self.tcx.def_kind_descr(assoc_item.kind.as_def_kind(), item_def_id) )); err.span_suggestion( span, @@ -2784,7 +2787,13 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { _ => true, }; if ident.span.is_visible(sm) && !ident.span.overlaps(span) && !same_line { - multispan.push_span_label(ident.span, "required by a bound in this"); + multispan.push_span_label( + ident.span, + format!( + "required by a bound in this {}", + tcx.def_kind(item_def_id).descr(item_def_id) + ), + ); } } let descr = format!("required by a bound in `{item_name}`"); @@ -3525,7 +3534,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { { if let hir::Expr { kind: hir::ExprKind::Block(..), .. } = expr { let expr = expr.peel_blocks(); - let ty = typeck_results.expr_ty_adjusted_opt(expr).unwrap_or(tcx.ty_error()); + let ty = typeck_results.expr_ty_adjusted_opt(expr).unwrap_or(tcx.ty_error_misc()); let span = expr.span; if Some(span) != err.span.primary_span() { err.span_label( @@ -3628,7 +3637,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { let mut assocs = vec![]; let mut expr = expr; let mut prev_ty = self.resolve_vars_if_possible( - typeck_results.expr_ty_adjusted_opt(expr).unwrap_or(tcx.ty_error()), + typeck_results.expr_ty_adjusted_opt(expr).unwrap_or(tcx.ty_error_misc()), ); while let hir::ExprKind::MethodCall(_path_segment, rcvr_expr, _args, span) = expr.kind { // Point at every method call in the chain with the resulting type. @@ -3639,7 +3648,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { self.probe_assoc_types_at_expr(&type_diffs, span, prev_ty, expr.hir_id, param_env); assocs.push(assocs_in_this_method); prev_ty = self.resolve_vars_if_possible( - typeck_results.expr_ty_adjusted_opt(expr).unwrap_or(tcx.ty_error()), + typeck_results.expr_ty_adjusted_opt(expr).unwrap_or(tcx.ty_error_misc()), ); if let hir::ExprKind::Path(hir::QPath::Resolved(None, path)) = expr.kind @@ -3657,7 +3666,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { if let hir::Node::Param(param) = parent { // ...and it is a an fn argument. let prev_ty = self.resolve_vars_if_possible( - typeck_results.node_type_opt(param.hir_id).unwrap_or(tcx.ty_error()), + typeck_results.node_type_opt(param.hir_id).unwrap_or(tcx.ty_error_misc()), ); let assocs_in_this_method = self.probe_assoc_types_at_expr(&type_diffs, param.ty_span, prev_ty, param.hir_id, param_env); if assocs_in_this_method.iter().any(|a| a.is_some()) { diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index deeed930e50..da2416b9646 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -8,7 +8,7 @@ use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, Binder, Const, TypeVisitable}; +use rustc_middle::ty::{self, Binder, Const, TypeVisitableExt}; use std::marker::PhantomData; use super::const_evaluatable; diff --git a/compiler/rustc_trait_selection/src/traits/misc.rs b/compiler/rustc_trait_selection/src/traits/misc.rs index de730773794..b94346b0956 100644 --- a/compiler/rustc_trait_selection/src/traits/misc.rs +++ b/compiler/rustc_trait_selection/src/traits/misc.rs @@ -8,7 +8,7 @@ use rustc_infer::infer::canonical::Canonical; use rustc_infer::infer::{RegionResolutionError, TyCtxtInferExt}; use rustc_infer::traits::query::NoSolution; use rustc_infer::{infer::outlives::env::OutlivesEnvironment, traits::FulfillmentError}; -use rustc_middle::ty::{self, ParamEnv, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, ParamEnv, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::DUMMY_SP; use super::outlives_bounds::InferCtxtExt; diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 2d299486ee6..c8b233bfe26 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -27,7 +27,7 @@ use crate::traits::error_reporting::TypeErrCtxtExt as _; use crate::traits::query::evaluate_obligation::InferCtxtExt as _; use rustc_errors::ErrorGuaranteed; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::{TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::{self, DefIdTree, ToPredicate, Ty, TyCtxt, TypeSuperVisitable}; use rustc_middle::ty::{InternalSubsts, SubstsRef}; use rustc_span::def_id::{DefId, CRATE_DEF_ID}; @@ -141,7 +141,7 @@ pub fn type_known_to_meet_bound_modulo_regions<'tcx>( fn pred_known_to_hold_modulo_regions<'tcx>( infcx: &InferCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, - pred: impl ToPredicate<'tcx> + TypeVisitable<'tcx>, + pred: impl ToPredicate<'tcx> + TypeVisitable<TyCtxt<'tcx>>, span: Span, ) -> bool { let has_non_region_infer = pred.has_non_region_infer(); @@ -371,7 +371,7 @@ pub fn fully_normalize<'tcx, T>( value: T, ) -> Result<T, Vec<FulfillmentError<'tcx>>> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let ocx = ObligationCtxt::new(infcx); debug!(?value); @@ -481,7 +481,7 @@ fn is_impossible_method(tcx: TyCtxt<'_>, (impl_def_id, trait_item_def_id): (DefI generics: &'tcx ty::Generics, trait_item_def_id: DefId, } - impl<'tcx> ty::ir::TypeVisitor<TyCtxt<'tcx>> for ReferencesOnlyParentGenerics<'tcx> { + impl<'tcx> ty::TypeVisitor<TyCtxt<'tcx>> for ReferencesOnlyParentGenerics<'tcx> { type BreakTy = (); fn visit_ty(&mut self, t: Ty<'tcx>) -> ControlFlow<Self::BreakTy> { // If this is a parameter from the trait item's own generics, then bail diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 93c3364de8f..b87f75422ef 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -19,7 +19,7 @@ use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_middle::ty::subst::{GenericArg, InternalSubsts}; use rustc_middle::ty::{ - self, ir::TypeVisitor, EarlyBinder, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, + self, EarlyBinder, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor, }; use rustc_middle::ty::{Predicate, ToPredicate}; use rustc_session::lint::builtin::WHERE_CLAUSES_OBJECT_SAFETY; @@ -97,7 +97,7 @@ fn check_is_object_safe(tcx: TyCtxt<'_>, trait_def_id: DefId) -> bool { /// object. Note that object-safe traits can have some /// non-vtable-safe methods, so long as they require `Self: Sized` or /// otherwise ensure that they cannot be used when `Self = Trait`. -pub fn is_vtable_safe_method(tcx: TyCtxt<'_>, trait_def_id: DefId, method: &ty::AssocItem) -> bool { +pub fn is_vtable_safe_method(tcx: TyCtxt<'_>, trait_def_id: DefId, method: ty::AssocItem) -> bool { debug_assert!(tcx.generics_of(trait_def_id).has_self); debug!("is_vtable_safe_method({:?}, {:?})", trait_def_id, method); // Any method that has a `Self: Sized` bound cannot be called. @@ -120,8 +120,8 @@ fn object_safety_violations_for_trait( .associated_items(trait_def_id) .in_definition_order() .filter(|item| item.kind == ty::AssocKind::Fn) - .filter_map(|item| { - object_safety_violation_for_method(tcx, trait_def_id, &item) + .filter_map(|&item| { + object_safety_violation_for_method(tcx, trait_def_id, item) .map(|(code, span)| ObjectSafetyViolation::Method(item.name, code, span)) }) .collect(); @@ -387,7 +387,7 @@ fn generics_require_sized_self(tcx: TyCtxt<'_>, def_id: DefId) -> bool { fn object_safety_violation_for_method( tcx: TyCtxt<'_>, trait_def_id: DefId, - method: &ty::AssocItem, + method: ty::AssocItem, ) -> Option<(MethodViolationCode, Span)> { debug!("object_safety_violation_for_method({:?}, {:?})", trait_def_id, method); // Any method that has a `Self : Sized` requisite is otherwise @@ -420,7 +420,7 @@ fn object_safety_violation_for_method( fn virtual_call_violation_for_method<'tcx>( tcx: TyCtxt<'tcx>, trait_def_id: DefId, - method: &ty::AssocItem, + method: ty::AssocItem, ) -> Option<MethodViolationCode> { let sig = tcx.fn_sig(method.def_id).subst_identity(); @@ -722,7 +722,7 @@ fn object_ty_for_trait<'tcx>( #[allow(dead_code)] fn receiver_is_dispatchable<'tcx>( tcx: TyCtxt<'tcx>, - method: &ty::AssocItem, + method: ty::AssocItem, receiver_ty: Ty<'tcx>, ) -> bool { debug!("receiver_is_dispatchable: method = {:?}, receiver_ty = {:?}", method, receiver_ty); @@ -790,7 +790,7 @@ fn receiver_is_dispatchable<'tcx>( infcx.predicate_must_hold_modulo_regions(&obligation) } -fn contains_illegal_self_type_reference<'tcx, T: TypeVisitable<'tcx>>( +fn contains_illegal_self_type_reference<'tcx, T: TypeVisitable<TyCtxt<'tcx>>>( tcx: TyCtxt<'tcx>, trait_def_id: DefId, value: T, diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 011fe742a69..14bba00b57e 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -30,8 +30,8 @@ use rustc_infer::infer::at::At; use rustc_infer::infer::resolve::OpportunisticRegionResolver; use rustc_infer::traits::ImplSourceBuiltinData; use rustc_middle::traits::select::OverflowError; -use rustc_middle::ty::fold::{ir::TypeFolder, TypeFoldable, TypeSuperFoldable}; -use rustc_middle::ty::visit::{MaxUniverse, TypeVisitable}; +use rustc_middle::ty::fold::{TypeFoldable, TypeFolder, TypeSuperFoldable}; +use rustc_middle::ty::visit::{MaxUniverse, TypeVisitable, TypeVisitableExt}; use rustc_middle::ty::DefIdTree; use rustc_middle::ty::{self, Term, ToPredicate, Ty, TyCtxt}; use rustc_span::symbol::sym; @@ -53,11 +53,11 @@ pub trait NormalizeExt<'tcx> { /// /// This normalization should be used when the type contains inference variables or the /// projection may be fallible. - fn normalize<T: TypeFoldable<'tcx>>(&self, t: T) -> InferOk<'tcx, T>; + fn normalize<T: TypeFoldable<TyCtxt<'tcx>>>(&self, t: T) -> InferOk<'tcx, T>; } impl<'tcx> NormalizeExt<'tcx> for At<'_, 'tcx> { - fn normalize<T: TypeFoldable<'tcx>>(&self, value: T) -> InferOk<'tcx, T> { + fn normalize<T: TypeFoldable<TyCtxt<'tcx>>>(&self, value: T) -> InferOk<'tcx, T> { let mut selcx = SelectionContext::new(self.infcx); let Normalized { value, obligations } = normalize_with_depth(&mut selcx, self.param_env, self.cause.clone(), 0, value); @@ -90,15 +90,7 @@ enum ProjectionCandidate<'tcx> { /// From an "impl" (or a "pseudo-impl" returned by select) Select(Selection<'tcx>), - ImplTraitInTrait(ImplTraitInTraitCandidate<'tcx>), -} - -#[derive(PartialEq, Eq, Debug)] -enum ImplTraitInTraitCandidate<'tcx> { - // The `impl Trait` from a trait function's default body - Trait, - // A concrete type provided from a trait's `impl Trait` from an impl - Impl(ImplSourceUserDefinedData<'tcx, PredicateObligation<'tcx>>), + ImplTraitInTrait(ImplSourceUserDefinedData<'tcx, PredicateObligation<'tcx>>), } enum ProjectionCandidateSet<'tcx> { @@ -294,7 +286,12 @@ fn project_and_unify_type<'cx, 'tcx>( ); obligations.extend(new); - match infcx.at(&obligation.cause, obligation.param_env).eq(normalized, actual) { + match infcx + .at(&obligation.cause, obligation.param_env) + // This is needed to support nested opaque types like `impl Fn() -> impl Trait` + .define_opaque_types(true) + .eq(normalized, actual) + { Ok(InferOk { obligations: inferred_obligations, value: () }) => { obligations.extend(inferred_obligations); ProjectAndUnifyResult::Holds(obligations) @@ -315,7 +312,7 @@ pub(crate) fn normalize_with_depth<'a, 'b, 'tcx, T>( value: T, ) -> Normalized<'tcx, T> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { let mut obligations = Vec::new(); let value = normalize_with_depth_to(selcx, param_env, cause, depth, value, &mut obligations); @@ -332,7 +329,7 @@ pub(crate) fn normalize_with_depth_to<'a, 'b, 'tcx, T>( obligations: &mut Vec<PredicateObligation<'tcx>>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!(obligations.len = obligations.len()); let mut normalizer = AssocTypeNormalizer::new(selcx, param_env, cause, depth, obligations); @@ -352,7 +349,7 @@ pub(crate) fn try_normalize_with_depth_to<'a, 'b, 'tcx, T>( obligations: &mut Vec<PredicateObligation<'tcx>>, ) -> T where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!(obligations.len = obligations.len()); let mut normalizer = AssocTypeNormalizer::new_without_eager_inference_replacement( @@ -368,7 +365,10 @@ where result } -pub(crate) fn needs_normalization<'tcx, T: TypeVisitable<'tcx>>(value: &T, reveal: Reveal) -> bool { +pub(crate) fn needs_normalization<'tcx, T: TypeVisitable<TyCtxt<'tcx>>>( + value: &T, + reveal: Reveal, +) -> bool { match reveal { Reveal::UserFacing => value .has_type_flags(ty::TypeFlags::HAS_TY_PROJECTION | ty::TypeFlags::HAS_CT_PROJECTION), @@ -430,7 +430,7 @@ impl<'a, 'b, 'tcx> AssocTypeNormalizer<'a, 'b, 'tcx> { } } - fn fold<T: TypeFoldable<'tcx>>(&mut self, value: T) -> T { + fn fold<T: TypeFoldable<TyCtxt<'tcx>>>(&mut self, value: T) -> T { let value = self.selcx.infcx.resolve_vars_if_possible(value); debug!(?value); @@ -453,7 +453,7 @@ impl<'a, 'b, 'tcx> TypeFolder<TyCtxt<'tcx>> for AssocTypeNormalizer<'a, 'b, 'tcx self.selcx.tcx() } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -672,7 +672,12 @@ pub struct BoundVarReplacer<'me, 'tcx> { /// /// FIXME(@lcnr): We may even consider experimenting with eagerly replacing bound vars during /// normalization as well, at which point this function will be unnecessary and can be removed. -pub fn with_replaced_escaping_bound_vars<'a, 'tcx, T: TypeFoldable<'tcx>, R: TypeFoldable<'tcx>>( +pub fn with_replaced_escaping_bound_vars< + 'a, + 'tcx, + T: TypeFoldable<TyCtxt<'tcx>>, + R: TypeFoldable<TyCtxt<'tcx>>, +>( infcx: &'a InferCtxt<'tcx>, universe_indices: &'a mut Vec<Option<ty::UniverseIndex>>, value: T, @@ -698,7 +703,7 @@ pub fn with_replaced_escaping_bound_vars<'a, 'tcx, T: TypeFoldable<'tcx>, R: Typ impl<'me, 'tcx> BoundVarReplacer<'me, 'tcx> { /// Returns `Some` if we *were* able to replace bound vars. If there are any bound vars that /// use a binding level above `universe_indices.len()`, we fail. - pub fn replace_bound_vars<T: TypeFoldable<'tcx>>( + pub fn replace_bound_vars<T: TypeFoldable<TyCtxt<'tcx>>>( infcx: &'me InferCtxt<'tcx>, universe_indices: &'me mut Vec<Option<ty::UniverseIndex>>, value: T, @@ -745,7 +750,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for BoundVarReplacer<'_, 'tcx> { self.infcx.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -826,7 +831,7 @@ pub struct PlaceholderReplacer<'me, 'tcx> { } impl<'me, 'tcx> PlaceholderReplacer<'me, 'tcx> { - pub fn replace_placeholders<T: TypeFoldable<'tcx>>( + pub fn replace_placeholders<T: TypeFoldable<TyCtxt<'tcx>>>( infcx: &'me InferCtxt<'tcx>, mapped_regions: BTreeMap<ty::PlaceholderRegion, ty::BoundRegion>, mapped_types: BTreeMap<ty::PlaceholderType, ty::BoundTy>, @@ -851,7 +856,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for PlaceholderReplacer<'_, 'tcx> { self.infcx.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { @@ -1208,8 +1213,8 @@ struct Progress<'tcx> { } impl<'tcx> Progress<'tcx> { - fn error(tcx: TyCtxt<'tcx>) -> Self { - Progress { term: tcx.ty_error().into(), obligations: vec![] } + fn error(tcx: TyCtxt<'tcx>, guar: ErrorGuaranteed) -> Self { + Progress { term: tcx.ty_error(guar).into(), obligations: vec![] } } fn with_addl_obligations(mut self, mut obligations: Vec<PredicateObligation<'tcx>>) -> Self { @@ -1235,8 +1240,8 @@ fn project<'cx, 'tcx>( ))); } - if obligation.predicate.references_error() { - return Ok(Projected::Progress(Progress::error(selcx.tcx()))); + if let Err(guar) = obligation.predicate.error_reported() { + return Ok(Projected::Progress(Progress::error(selcx.tcx(), guar))); } let mut candidates = ProjectionCandidateSet::None; @@ -1292,17 +1297,6 @@ fn assemble_candidate_for_impl_trait_in_trait<'cx, 'tcx>( let tcx = selcx.tcx(); if tcx.def_kind(obligation.predicate.def_id) == DefKind::ImplTraitPlaceholder { let trait_fn_def_id = tcx.impl_trait_in_trait_parent(obligation.predicate.def_id); - // If we are trying to project an RPITIT with trait's default `Self` parameter, - // then we must be within a default trait body. - if obligation.predicate.self_ty() - == ty::InternalSubsts::identity_for_item(tcx, obligation.predicate.def_id).type_at(0) - && tcx.associated_item(trait_fn_def_id).defaultness(tcx).has_value() - { - candidate_set.push_candidate(ProjectionCandidate::ImplTraitInTrait( - ImplTraitInTraitCandidate::Trait, - )); - return; - } let trait_def_id = tcx.parent(trait_fn_def_id); let trait_substs = @@ -1313,9 +1307,7 @@ fn assemble_candidate_for_impl_trait_in_trait<'cx, 'tcx>( let _ = selcx.infcx.commit_if_ok(|_| { match selcx.select(&obligation.with(tcx, trait_predicate)) { Ok(Some(super::ImplSource::UserDefined(data))) => { - candidate_set.push_candidate(ProjectionCandidate::ImplTraitInTrait( - ImplTraitInTraitCandidate::Impl(data), - )); + candidate_set.push_candidate(ProjectionCandidate::ImplTraitInTrait(data)); Ok(()) } Ok(None) => { @@ -1777,18 +1769,9 @@ fn confirm_candidate<'cx, 'tcx>( ProjectionCandidate::Select(impl_source) => { confirm_select_candidate(selcx, obligation, impl_source) } - ProjectionCandidate::ImplTraitInTrait(ImplTraitInTraitCandidate::Impl(data)) => { + ProjectionCandidate::ImplTraitInTrait(data) => { confirm_impl_trait_in_trait_candidate(selcx, obligation, data) } - // If we're projecting an RPITIT for a default trait body, that's just - // the same def-id, but as an opaque type (with regular RPIT semantics). - ProjectionCandidate::ImplTraitInTrait(ImplTraitInTraitCandidate::Trait) => Progress { - term: selcx - .tcx() - .mk_opaque(obligation.predicate.def_id, obligation.predicate.substs) - .into(), - obligations: vec![], - }, }; // When checking for cycle during evaluation, we compare predicates with @@ -1923,7 +1906,7 @@ fn confirm_builtin_candidate<'cx, 'tcx>( ) -> Progress<'tcx> { let tcx = selcx.tcx(); let self_ty = obligation.predicate.self_ty(); - let substs = tcx.mk_substs([self_ty.into()].iter()); + let substs = tcx.intern_substs(&[self_ty.into()]); let lang_items = tcx.lang_items(); let item_def_id = obligation.predicate.def_id; let trait_def_id = tcx.trait_of_item(item_def_id).unwrap(); @@ -2114,8 +2097,9 @@ fn confirm_impl_candidate<'cx, 'tcx>( let trait_def_id = tcx.trait_id_of_impl(impl_def_id).unwrap(); let param_env = obligation.param_env; - let Ok(assoc_ty) = specialization_graph::assoc_def(tcx, impl_def_id, assoc_item_id) else { - return Progress { term: tcx.ty_error().into(), obligations: nested }; + let assoc_ty = match specialization_graph::assoc_def(tcx, impl_def_id, assoc_item_id) { + Ok(assoc_ty) => assoc_ty, + Err(guar) => return Progress::error(tcx, guar), }; if !assoc_ty.item.defaultness(tcx).has_value() { @@ -2127,7 +2111,7 @@ fn confirm_impl_candidate<'cx, 'tcx>( "confirm_impl_candidate: no associated type {:?} for {:?}", assoc_ty.item.name, obligation.predicate ); - return Progress { term: tcx.ty_error().into(), obligations: nested }; + return Progress { term: tcx.ty_error_misc().into(), obligations: nested }; } // If we're trying to normalize `<Vec<u32> as X>::A<S>` using //`impl<T> X for Vec<T> { type A<Y> = Box<Y>; }`, then: @@ -2149,7 +2133,7 @@ fn confirm_impl_candidate<'cx, 'tcx>( } else { ty.map_bound(|ty| ty.into()) }; - if !check_substs_compatible(tcx, &assoc_ty.item, substs) { + if !check_substs_compatible(tcx, assoc_ty.item, substs) { let err = tcx.ty_error_with_message( obligation.cause.span, "impl item and trait item have different parameters", @@ -2164,7 +2148,7 @@ fn confirm_impl_candidate<'cx, 'tcx>( // Verify that the trait item and its implementation have compatible substs lists fn check_substs_compatible<'tcx>( tcx: TyCtxt<'tcx>, - assoc_item: &ty::AssocItem, + assoc_item: ty::AssocItem, substs: ty::SubstsRef<'tcx>, ) -> bool { fn check_substs_compatible_inner<'tcx>( @@ -2211,11 +2195,12 @@ fn confirm_impl_trait_in_trait_candidate<'tcx>( let mut obligations = data.nested; let trait_fn_def_id = tcx.impl_trait_in_trait_parent(obligation.predicate.def_id); - let Ok(leaf_def) = specialization_graph::assoc_def(tcx, data.impl_def_id, trait_fn_def_id) else { - return Progress { term: tcx.ty_error().into(), obligations }; + let leaf_def = match specialization_graph::assoc_def(tcx, data.impl_def_id, trait_fn_def_id) { + Ok(assoc_ty) => assoc_ty, + Err(guar) => return Progress::error(tcx, guar), }; if !leaf_def.item.defaultness(tcx).has_value() { - return Progress { term: tcx.ty_error().into(), obligations }; + return Progress { term: tcx.ty_error_misc().into(), obligations }; } // Use the default `impl Trait` for the trait, e.g., for a default trait body @@ -2238,7 +2223,7 @@ fn confirm_impl_trait_in_trait_candidate<'tcx>( leaf_def.defining_node, ); - if !check_substs_compatible(tcx, &leaf_def.item, impl_fn_substs) { + if !check_substs_compatible(tcx, leaf_def.item, impl_fn_substs) { let err = tcx.ty_error_with_message( obligation.cause.span, "impl method and trait method have different parameters", @@ -2286,7 +2271,7 @@ fn confirm_impl_trait_in_trait_candidate<'tcx>( obligation.recursion_depth + 1, tcx.bound_return_position_impl_trait_in_trait_tys(impl_fn_def_id) .map_bound(|tys| { - tys.map_or_else(|_| tcx.ty_error(), |tys| tys[&obligation.predicate.def_id]) + tys.map_or_else(|guar| tcx.ty_error(guar), |tys| tys[&obligation.predicate.def_id]) }) .subst(tcx, impl_fn_substs), &mut obligations, diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index a266013b8fd..b0cec3ce7a3 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -11,9 +11,9 @@ use crate::traits::{ObligationCause, PredicateObligation, Reveal}; use rustc_data_structures::sso::SsoHashMap; use rustc_data_structures::stack::ensure_sufficient_stack; use rustc_infer::traits::Normalized; -use rustc_middle::ty::fold::{ir::FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; -use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable}; -use rustc_middle::ty::{self, ir::TypeVisitor, Ty, TyCtxt}; +use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; +use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitableExt}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitor}; use rustc_span::DUMMY_SP; use std::ops::ControlFlow; @@ -32,7 +32,7 @@ pub trait QueryNormalizeExt<'tcx> { /// use [`TyCtxt::normalize_erasing_regions`], which wraps this procedure. fn query_normalize<T>(&self, value: T) -> Result<Normalized<'tcx, T>, NoSolution> where - T: TypeFoldable<'tcx>; + T: TypeFoldable<TyCtxt<'tcx>>; } impl<'cx, 'tcx> QueryNormalizeExt<'tcx> for At<'cx, 'tcx> { @@ -51,7 +51,7 @@ impl<'cx, 'tcx> QueryNormalizeExt<'tcx> for At<'cx, 'tcx> { /// and other details are still "under development". fn query_normalize<T>(&self, value: T) -> Result<Normalized<'tcx, T>, NoSolution> where - T: TypeFoldable<'tcx>, + T: TypeFoldable<TyCtxt<'tcx>>, { debug!( "normalize::<{}>(value={:?}, param_env={:?}, cause={:?})", @@ -116,7 +116,7 @@ struct MaxEscapingBoundVarVisitor { } impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for MaxEscapingBoundVarVisitor { - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &ty::Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -177,7 +177,7 @@ impl<'cx, 'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for QueryNormalizer<'cx, 'tcx> self.infcx.tcx } - fn try_fold_binder<T: TypeFoldable<'tcx>>( + fn try_fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> Result<ty::Binder<'tcx, T>, Self::Error> { diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs index 97002b461aa..9e8bc8bce9a 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs @@ -54,8 +54,8 @@ pub struct TypeOpOutput<'tcx, Op: TypeOp<'tcx>> { /// which produces the resulting query region constraints. /// /// [c]: https://rust-lang.github.io/chalk/book/canonical_queries/canonicalization.html -pub trait QueryTypeOp<'tcx>: fmt::Debug + Copy + TypeFoldable<'tcx> + 'tcx { - type QueryResponse: TypeFoldable<'tcx>; +pub trait QueryTypeOp<'tcx>: fmt::Debug + Copy + TypeFoldable<TyCtxt<'tcx>> + 'tcx { + type QueryResponse: TypeFoldable<TyCtxt<'tcx>>; /// Give query the option for a simple fast path that never /// actually hits the tcx cache lookup etc. Return `Some(r)` with diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs index 8f0b4de31e6..5b216c07692 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/normalize.rs @@ -1,7 +1,7 @@ use crate::infer::canonical::{Canonical, CanonicalQueryResponse}; use crate::traits::query::Fallible; use rustc_middle::ty::fold::TypeFoldable; -use rustc_middle::ty::{self, Lift, ParamEnvAnd, Ty, TyCtxt}; +use rustc_middle::ty::{self, Lift, ParamEnvAnd, Ty, TyCtxt, TypeVisitableExt}; use std::fmt; pub use rustc_middle::traits::query::type_op::Normalize; @@ -24,7 +24,7 @@ where } } -pub trait Normalizable<'tcx>: fmt::Debug + TypeFoldable<'tcx> + Lift<'tcx> + Copy { +pub trait Normalizable<'tcx>: fmt::Debug + TypeFoldable<TyCtxt<'tcx>> + Lift<'tcx> + Copy { fn type_op_method( tcx: TyCtxt<'tcx>, canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Normalize<Self>>>, diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index dae602908a3..4ad13dcb645 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -9,7 +9,7 @@ use hir::LangItem; use rustc_hir as hir; use rustc_infer::traits::ObligationCause; use rustc_infer::traits::{Obligation, SelectionError, TraitObligation}; -use rustc_middle::ty::{self, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TypeVisitableExt}; use rustc_target::spec::abi::Abi; use crate::traits; diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 1309df18e15..270f513ce3c 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -12,7 +12,7 @@ use rustc_infer::infer::InferOk; use rustc_infer::infer::LateBoundRegionConversionTime::HigherRankedType; use rustc_middle::ty::{ self, Binder, GenericParamDefKind, InternalSubsts, SubstsRef, ToPolyTraitRef, ToPredicate, - TraitRef, Ty, TyCtxt, TypeVisitable, + TraitRef, Ty, TyCtxt, TypeVisitableExt, }; use rustc_session::config::TraitSolver; use rustc_span::def_id::DefId; @@ -564,10 +564,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { .into() } }); - let bound_vars = tcx.mk_bound_variable_kinds(bound_vars.into_iter()); + let bound_vars = tcx.intern_bound_variable_kinds(&bound_vars); let assoc_ty_substs = tcx.intern_substs(&substs); - - let bound_vars = tcx.mk_bound_variable_kinds(bound_vars.into_iter()); let bound = bound.map_bound(|b| b.kind().skip_binder()).subst(tcx, assoc_ty_substs); tcx.mk_predicate(ty::Binder::bind_with_vars(bound, bound_vars)) @@ -823,6 +821,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { self.infcx .at(&obligation.cause, obligation.param_env) + // needed for tests/ui/type-alias-impl-trait/assoc-projection-ice.rs + .define_opaque_types(true) .sup(obligation_trait_ref, expected_trait_ref) .map(|InferOk { mut obligations, .. }| { obligations.extend(nested); diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index e6fc9bb9239..e2fb954e31f 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -49,7 +49,7 @@ use rustc_middle::ty::fold::BottomUpFolder; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::SubstsRef; use rustc_middle::ty::{self, EarlyBinder, PolyProjectionPredicate, ToPolyTraitRef, ToPredicate}; -use rustc_middle::ty::{Ty, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{Ty, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_session::config::TraitSolver; use rustc_span::symbol::sym; @@ -1406,7 +1406,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { /// The weird return type of this function allows it to be used with the `try` (`?`) /// operator within certain functions. #[inline(always)] - fn check_recursion_limit<T: Display + TypeFoldable<'tcx>, V>( + fn check_recursion_limit<T: Display + TypeFoldable<TyCtxt<'tcx>>, V>( &self, obligation: &Obligation<'tcx, T>, error_obligation: &Obligation<'tcx, V>, @@ -1752,7 +1752,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { }); self.infcx .at(&obligation.cause, obligation.param_env) - .define_opaque_types(false) .sup(ty::Binder::dummy(placeholder_trait_ref), trait_bound) .map(|InferOk { obligations: _, value: () }| { // This method is called within a probe, so we can't have @@ -1815,7 +1814,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { let is_match = self .infcx .at(&obligation.cause, obligation.param_env) - .define_opaque_types(false) .sup(obligation.predicate, infer_projection) .map_or(false, |InferOk { obligations, value: () }| { self.evaluate_predicates_recursively( @@ -2148,12 +2146,13 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { })) } - ty::Alias(..) | ty::Param(_) => None, + ty::Alias(..) | ty::Param(_) | ty::Placeholder(..) => None, ty::Infer(ty::TyVar(_)) => Ambiguous, - ty::Placeholder(..) - | ty::Bound(..) - | ty::Infer(ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => { + // We can make this an ICE if/once we actually instantiate the trait obligation. + ty::Bound(..) => None, + + ty::Infer(ty::FreshTy(_) | ty::FreshIntTy(_) | ty::FreshFloatTy(_)) => { bug!("asked to assemble builtin bounds of unexpected type: {:?}", self_ty); } } @@ -2444,7 +2443,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { // the placeholder trait ref may fail due the Generalizer relation // raising a CyclicalTy error due to a sub_root_var relation // for a variable being generalized... - self.infcx.tcx.sess.delay_span_bug( + let guar = self.infcx.tcx.sess.delay_span_bug( obligation.cause.span, &format!( "Impl {:?} was matchable against {:?} but now is not", @@ -2452,7 +2451,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ), ); let value = self.infcx.fresh_substs_for_item(obligation.cause.span, impl_def_id); - let err = self.tcx().ty_error(); + let err = self.tcx().ty_error(guar); let value = value.fold_with(&mut BottomUpFolder { tcx: self.tcx(), ty_op: |_| err, @@ -2506,7 +2505,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { let InferOk { obligations, .. } = self .infcx .at(&cause, obligation.param_env) - .define_opaque_types(false) .eq(placeholder_obligation_trait_ref, impl_trait_ref) .map_err(|e| { debug!("match_impl: failed eq_trait_refs due to `{}`", e.to_string(self.tcx())) @@ -2557,11 +2555,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ) -> Result<Vec<PredicateObligation<'tcx>>, ()> { self.infcx .at(&obligation.cause, obligation.param_env) - // We don't want predicates for opaque types to just match all other types, - // if there is an obligation on the opaque type, then that obligation must be met - // opaquely. Otherwise we'd match any obligation to the opaque type and then error - // out later. - .define_opaque_types(false) .sup(obligation.predicate.to_poly_trait_ref(), poly_trait_ref) .map(|InferOk { obligations, .. }| obligations) .map_err(|_| ()) diff --git a/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs b/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs index c3dcd64b2c2..61ed9ef2ec1 100644 --- a/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs +++ b/compiler/rustc_trait_selection/src/traits/specialize/specialization_graph.rs @@ -4,7 +4,7 @@ use crate::traits; use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::DefId; use rustc_middle::ty::fast_reject::{self, SimplifiedType, TreatParams}; -use rustc_middle::ty::{self, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; pub use rustc_middle::traits::specialization_graph::*; @@ -399,7 +399,7 @@ pub(crate) fn assoc_def( // If there is no such item in that impl, this function will fail with a // cycle error if the specialization graph is currently being built. if let Some(&impl_item_id) = tcx.impl_item_implementor_ids(impl_def_id).get(&assoc_def_id) { - let &item = tcx.associated_item(impl_item_id); + let item = tcx.associated_item(impl_item_id); let impl_node = Node::Impl(impl_def_id); return Ok(LeafDef { item, diff --git a/compiler/rustc_trait_selection/src/traits/structural_match.rs b/compiler/rustc_trait_selection/src/traits/structural_match.rs index 32dd8f25b44..e38ae9381c1 100644 --- a/compiler/rustc_trait_selection/src/traits/structural_match.rs +++ b/compiler/rustc_trait_selection/src/traits/structural_match.rs @@ -1,8 +1,6 @@ use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; -#[cfg(not(bootstrap))] -use rustc_middle::ty::TypeVisitable; -use rustc_middle::ty::{self, ir::TypeVisitor, Ty, TyCtxt, TypeSuperVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor}; use rustc_span::Span; use std::ops::ControlFlow; diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index b5df583e3f4..638a6592c08 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -4,7 +4,7 @@ use smallvec::SmallVec; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def_id::DefId; -use rustc_middle::ty::{self, ImplSubject, ToPredicate, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, ImplSubject, ToPredicate, Ty, TyCtxt, TypeVisitableExt}; use rustc_middle::ty::{GenericArg, SubstsRef}; use super::NormalizeExt; @@ -239,7 +239,7 @@ pub fn predicate_for_trait_def<'tcx>( cause: ObligationCause<'tcx>, trait_def_id: DefId, recursion_depth: usize, - params: impl IntoIterator<Item = impl Into<GenericArg<'tcx>>>, + params: impl IntoIterator<Item: Into<GenericArg<'tcx>>>, ) -> PredicateObligation<'tcx> { let trait_ref = tcx.mk_trait_ref(trait_def_id, params); predicate_for_trait_ref(tcx, cause, param_env, trait_ref, recursion_depth) diff --git a/compiler/rustc_trait_selection/src/traits/vtable.rs b/compiler/rustc_trait_selection/src/traits/vtable.rs index 64daca714c3..a4e9928f8b2 100644 --- a/compiler/rustc_trait_selection/src/traits/vtable.rs +++ b/compiler/rustc_trait_selection/src/traits/vtable.rs @@ -4,7 +4,7 @@ use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; use rustc_infer::traits::util::PredicateSet; use rustc_infer::traits::ImplSource; -use rustc_middle::ty::visit::TypeVisitable; +use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::InternalSubsts; use rustc_middle::ty::{self, GenericParamDefKind, ToPredicate, Ty, TyCtxt, VtblEntry}; use rustc_span::{sym, Span}; @@ -197,12 +197,12 @@ fn own_existential_vtable_entries(tcx: TyCtxt<'_>, trait_def_id: DefId) -> &[Def .in_definition_order() .filter(|item| item.kind == ty::AssocKind::Fn); // Now list each method's DefId (for within its trait). - let own_entries = trait_methods.filter_map(move |trait_method| { + let own_entries = trait_methods.filter_map(move |&trait_method| { debug!("own_existential_vtable_entry: trait_method={:?}", trait_method); let def_id = trait_method.def_id; // Some methods cannot be called on an object; skip those. - if !is_vtable_safe_method(tcx, trait_def_id, &trait_method) { + if !is_vtable_safe_method(tcx, trait_def_id, trait_method) { debug!("own_existential_vtable_entry: not vtable safe"); return None; } diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs index 6a881c233db..d498af359c5 100644 --- a/compiler/rustc_trait_selection/src/traits/wf.rs +++ b/compiler/rustc_trait_selection/src/traits/wf.rs @@ -3,7 +3,7 @@ use crate::traits; use rustc_hir as hir; use rustc_hir::lang_items::LangItem; use rustc_middle::ty::subst::{GenericArg, GenericArgKind, SubstsRef}; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::def_id::{DefId, LocalDefId, CRATE_DEF_ID}; use rustc_span::{Span, DUMMY_SP}; diff --git a/compiler/rustc_traits/src/chalk/db.rs b/compiler/rustc_traits/src/chalk/db.rs index e2b5d17e073..f8c8f744e6d 100644 --- a/compiler/rustc_traits/src/chalk/db.rs +++ b/compiler/rustc_traits/src/chalk/db.rs @@ -769,12 +769,12 @@ struct ReplaceOpaqueTyFolder<'tcx> { binder_index: ty::DebruijnIndex, } -impl<'tcx> ty::ir::TypeFolder<TyCtxt<'tcx>> for ReplaceOpaqueTyFolder<'tcx> { +impl<'tcx> ty::TypeFolder<TyCtxt<'tcx>> for ReplaceOpaqueTyFolder<'tcx> { fn interner(&self) -> TyCtxt<'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>( + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( &mut self, t: ty::Binder<'tcx, T>, ) -> ty::Binder<'tcx, T> { diff --git a/compiler/rustc_traits/src/chalk/lowering.rs b/compiler/rustc_traits/src/chalk/lowering.rs index 7635f4bfec3..50cd1d1c0e8 100644 --- a/compiler/rustc_traits/src/chalk/lowering.rs +++ b/compiler/rustc_traits/src/chalk/lowering.rs @@ -35,9 +35,8 @@ use rustc_ast::ast; use rustc_middle::traits::{ChalkEnvironmentAndGoal, ChalkRustInterner as RustInterner}; use rustc_middle::ty::subst::{GenericArg, GenericArgKind, SubstsRef}; use rustc_middle::ty::{ - self, - ir::{TypeFolder, TypeVisitor}, - Binder, Region, Ty, TyCtxt, TypeFoldable, TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, + self, Binder, Region, Ty, TyCtxt, TypeFoldable, TypeFolder, TypeSuperFoldable, + TypeSuperVisitable, TypeVisitable, TypeVisitor, }; use rustc_span::def_id::DefId; @@ -456,7 +455,7 @@ impl<'tcx> LowerInto<'tcx, Ty<'tcx>> for &chalk_ir::Ty<RustInterner<'tcx>> { interner.tcx.mk_alias_ty(assoc_ty.0, substitution.lower_into(interner)), ), TyKind::Foreign(def_id) => ty::Foreign(def_id.0), - TyKind::Error => return interner.tcx.ty_error(), + TyKind::Error => return interner.tcx.ty_error_misc(), TyKind::Alias(alias_ty) => match alias_ty { chalk_ir::AliasTy::Projection(projection) => ty::Alias( ty::Projection, @@ -880,7 +879,7 @@ impl<'tcx> LowerInto<'tcx, chalk_solve::rust_ir::AliasEqBound<RustInterner<'tcx> /// It's important to note that because of prior substitution, we may have /// late-bound regions, even outside of fn contexts, since this is the best way /// to prep types for chalk lowering. -pub(crate) fn collect_bound_vars<'tcx, T: TypeFoldable<'tcx>>( +pub(crate) fn collect_bound_vars<'tcx, T: TypeFoldable<TyCtxt<'tcx>>>( interner: RustInterner<'tcx>, tcx: TyCtxt<'tcx>, ty: Binder<'tcx, T>, @@ -931,7 +930,7 @@ impl<'tcx> BoundVarsCollector<'tcx> { } impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for BoundVarsCollector<'tcx> { - fn visit_binder<T: TypeVisitable<'tcx>>( + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>( &mut self, t: &Binder<'tcx, T>, ) -> ControlFlow<Self::BreakTy> { @@ -1016,7 +1015,10 @@ impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for NamedBoundVarSubstitutor<'a, 'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T> { + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( + &mut self, + t: Binder<'tcx, T>, + ) -> Binder<'tcx, T> { self.binder_index.shift_in(1); let result = t.super_fold_with(self); self.binder_index.shift_out(1); @@ -1072,7 +1074,10 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ParamsSubstitutor<'tcx> { self.tcx } - fn fold_binder<T: TypeFoldable<'tcx>>(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T> { + fn fold_binder<T: TypeFoldable<TyCtxt<'tcx>>>( + &mut self, + t: Binder<'tcx, T>, + ) -> Binder<'tcx, T> { self.binder_index.shift_in(1); let result = t.super_fold_with(self); self.binder_index.shift_out(1); diff --git a/compiler/rustc_traits/src/chalk/mod.rs b/compiler/rustc_traits/src/chalk/mod.rs index f33f9edd627..5855a8e28dd 100644 --- a/compiler/rustc_traits/src/chalk/mod.rs +++ b/compiler/rustc_traits/src/chalk/mod.rs @@ -9,7 +9,7 @@ pub(crate) mod lowering; use rustc_middle::infer::canonical::{CanonicalTyVarKind, CanonicalVarKind}; use rustc_middle::traits::ChalkRustInterner; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, TyCtxt, TypeFoldable, TypeVisitable}; use rustc_infer::infer::canonical::{ Canonical, CanonicalVarValues, Certainty, QueryRegionConstraints, QueryResponse, diff --git a/compiler/rustc_traits/src/implied_outlives_bounds.rs b/compiler/rustc_traits/src/implied_outlives_bounds.rs index abf0c1c5f3e..ddd4ca1436c 100644 --- a/compiler/rustc_traits/src/implied_outlives_bounds.rs +++ b/compiler/rustc_traits/src/implied_outlives_bounds.rs @@ -7,7 +7,7 @@ use rustc_infer::infer::outlives::components::{push_outlives_components, Compone use rustc_infer::infer::TyCtxtInferExt; use rustc_infer::traits::query::OutlivesBound; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::def_id::CRATE_DEF_ID; use rustc_span::source_map::DUMMY_SP; use rustc_trait_selection::infer::InferCtxtBuilderExt; diff --git a/compiler/rustc_traits/src/normalize_erasing_regions.rs b/compiler/rustc_traits/src/normalize_erasing_regions.rs index 2c18a034050..f0597f19225 100644 --- a/compiler/rustc_traits/src/normalize_erasing_regions.rs +++ b/compiler/rustc_traits/src/normalize_erasing_regions.rs @@ -1,7 +1,7 @@ use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::traits::query::NoSolution; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, ParamEnvAnd, TyCtxt, TypeFoldable}; +use rustc_middle::ty::{self, ParamEnvAnd, TyCtxt, TypeFoldable, TypeVisitableExt}; use rustc_trait_selection::traits::query::normalize::QueryNormalizeExt; use rustc_trait_selection::traits::{Normalized, ObligationCause}; use std::sync::atomic::Ordering; @@ -22,7 +22,7 @@ pub(crate) fn provide(p: &mut Providers) { }; } -fn try_normalize_after_erasing_regions<'tcx, T: TypeFoldable<'tcx> + PartialEq + Copy>( +fn try_normalize_after_erasing_regions<'tcx, T: TypeFoldable<TyCtxt<'tcx>> + PartialEq + Copy>( tcx: TyCtxt<'tcx>, goal: ParamEnvAnd<'tcx, T>, ) -> Result<T, NoSolution> { diff --git a/compiler/rustc_traits/src/type_op.rs b/compiler/rustc_traits/src/type_op.rs index d34fce64dd7..e0fd487b3d3 100644 --- a/compiler/rustc_traits/src/type_op.rs +++ b/compiler/rustc_traits/src/type_op.rs @@ -161,7 +161,7 @@ fn type_op_normalize<'tcx, T>( key: ParamEnvAnd<'tcx, Normalize<T>>, ) -> Fallible<T> where - T: fmt::Debug + TypeFoldable<'tcx> + Lift<'tcx>, + T: fmt::Debug + TypeFoldable<TyCtxt<'tcx>> + Lift<'tcx>, { let (param_env, Normalize { value }) = key.into_parts(); let Normalized { value, obligations } = diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index b3b9a67b26e..4b4a8ebd079 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -117,7 +117,7 @@ mod rustc { c: Const<'tcx>, ) -> Option<Self> { use rustc_middle::ty::ScalarInt; - use rustc_middle::ty::TypeVisitable; + use rustc_middle::ty::TypeVisitableExt; use rustc_span::symbol::sym; let c = c.eval(tcx, param_env); diff --git a/compiler/rustc_error_messages/locales/en-US/ty_utils.ftl b/compiler/rustc_ty_utils/locales/en-US.ftl index abe65a0e3fe..abe65a0e3fe 100644 --- a/compiler/rustc_error_messages/locales/en-US/ty_utils.ftl +++ b/compiler/rustc_ty_utils/locales/en-US.ftl diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index 8b32c0119e0..41924dc2a6d 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -141,8 +141,8 @@ fn fn_sig_for_fn_abi<'tcx>( ty::Binder::bind_with_vars( tcx.mk_fn_sig( - [env_ty, resume_ty].iter(), - &ret_ty, + [env_ty, resume_ty], + ret_ty, false, hir::Unsafety::Normal, rustc_target::spec::abi::Abi::Rust, diff --git a/compiler/rustc_ty_utils/src/assoc.rs b/compiler/rustc_ty_utils/src/assoc.rs index a6e0f13f698..d4866b5dbdd 100644 --- a/compiler/rustc_ty_utils/src/assoc.rs +++ b/compiler/rustc_ty_utils/src/assoc.rs @@ -1,13 +1,18 @@ use rustc_data_structures::fx::FxHashMap; use rustc_hir as hir; -use rustc_hir::def_id::DefId; -use rustc_middle::ty::{self, TyCtxt}; +use rustc_hir::def::DefKind; +use rustc_hir::def_id::{DefId, LocalDefId}; +use rustc_hir::definitions::DefPathData; +use rustc_hir::intravisit::{self, Visitor}; +use rustc_middle::ty::{self, DefIdTree, TyCtxt}; pub fn provide(providers: &mut ty::query::Providers) { *providers = ty::query::Providers { associated_item, associated_item_def_ids, associated_items, + associated_items_for_impl_trait_in_trait, + associated_item_for_impl_trait_in_trait, impl_item_implementor_ids, ..*providers }; @@ -26,7 +31,7 @@ fn associated_item_def_ids(tcx: TyCtxt<'_>, def_id: DefId) -> &[DefId] { } } -fn associated_items(tcx: TyCtxt<'_>, def_id: DefId) -> ty::AssocItems<'_> { +fn associated_items(tcx: TyCtxt<'_>, def_id: DefId) -> ty::AssocItems { if tcx.is_trait_alias(def_id) { ty::AssocItems::new(Vec::new()) } else { @@ -112,3 +117,97 @@ fn associated_item_from_impl_item_ref(impl_item_ref: &hir::ImplItemRef) -> ty::A fn_has_self_parameter: has_self, } } + +/// Given an `fn_def_id` of a trait or of an impl that implements a given trait: +/// if `fn_def_id` is the def id of a function defined inside a trait, then it creates and returns +/// the associated items that correspond to each impl trait in return position for that trait. +/// if `fn_def_id` is the def id of a function defined inside an impl that implements a trait, then it +/// creates and returns the associated items that correspond to each impl trait in return position +/// of the implemented trait. +fn associated_items_for_impl_trait_in_trait(tcx: TyCtxt<'_>, fn_def_id: DefId) -> &'_ [DefId] { + let parent_def_id = tcx.parent(fn_def_id); + + match tcx.def_kind(parent_def_id) { + DefKind::Trait => { + struct RPITVisitor { + rpits: Vec<LocalDefId>, + } + + impl<'v> Visitor<'v> for RPITVisitor { + fn visit_ty(&mut self, ty: &'v hir::Ty<'v>) { + if let hir::TyKind::OpaqueDef(item_id, _, _) = ty.kind { + self.rpits.push(item_id.owner_id.def_id) + } + intravisit::walk_ty(self, ty) + } + } + + let mut visitor = RPITVisitor { rpits: Vec::new() }; + + if let Some(output) = tcx.hir().get_fn_output(fn_def_id.expect_local()) { + visitor.visit_fn_ret_ty(output); + + tcx.arena.alloc_from_iter(visitor.rpits.iter().map(|opaque_ty_def_id| { + tcx.associated_item_for_impl_trait_in_trait(opaque_ty_def_id).to_def_id() + })) + } else { + &[] + } + } + + DefKind::Impl { .. } => { + let Some(trait_fn_def_id) = tcx.associated_item(fn_def_id).trait_item_def_id else { return &[] }; + + tcx.arena.alloc_from_iter( + tcx.associated_items_for_impl_trait_in_trait(trait_fn_def_id).iter().map( + move |trait_assoc_def_id| { + impl_associated_item_for_impl_trait_in_trait( + tcx, + trait_assoc_def_id.expect_local(), + fn_def_id.expect_local(), + ) + .to_def_id() + }, + ), + ) + } + + def_kind => bug!( + "associated_items_for_impl_trait_in_trait: {:?} should be Trait or Impl but is {:?}", + parent_def_id, + def_kind + ), + } +} + +/// Given an `opaque_ty_def_id` corresponding to an impl trait in trait, create and return the +/// corresponding associated item. +fn associated_item_for_impl_trait_in_trait( + tcx: TyCtxt<'_>, + opaque_ty_def_id: LocalDefId, +) -> LocalDefId { + let fn_def_id = tcx.impl_trait_in_trait_parent(opaque_ty_def_id.to_def_id()); + let trait_def_id = tcx.parent(fn_def_id); + assert_eq!(tcx.def_kind(trait_def_id), DefKind::Trait); + + let span = tcx.def_span(opaque_ty_def_id); + let trait_assoc_ty = + tcx.at(span).create_def(trait_def_id.expect_local(), DefPathData::ImplTraitAssocTy); + trait_assoc_ty.def_id() +} + +/// Given an `trait_assoc_def_id` that corresponds to a previously synthethized impl trait in trait +/// into an associated type and an `impl_def_id` corresponding to an impl block, create and return +/// the corresponding associated item inside the impl block. +fn impl_associated_item_for_impl_trait_in_trait( + tcx: TyCtxt<'_>, + trait_assoc_def_id: LocalDefId, + impl_fn_def_id: LocalDefId, +) -> LocalDefId { + let impl_def_id = tcx.local_parent(impl_fn_def_id); + + let span = tcx.def_span(trait_assoc_def_id); + let impl_assoc_ty = tcx.at(span).create_def(impl_def_id, DefPathData::ImplTraitAssocTy); + + impl_assoc_ty.def_id() +} diff --git a/compiler/rustc_ty_utils/src/consts.rs b/compiler/rustc_ty_utils/src/consts.rs index a9fbad55dac..ae824a31f75 100644 --- a/compiler/rustc_ty_utils/src/consts.rs +++ b/compiler/rustc_ty_utils/src/consts.rs @@ -5,7 +5,7 @@ use rustc_middle::mir::interpret::{LitToConstError, LitToConstInput}; use rustc_middle::thir::visit; use rustc_middle::thir::visit::Visitor; use rustc_middle::ty::abstract_const::CastKind; -use rustc_middle::ty::{self, Expr, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Expr, TyCtxt, TypeVisitableExt}; use rustc_middle::{mir, thir}; use rustc_span::Span; use rustc_target::abi::VariantIdx; @@ -144,7 +144,7 @@ fn recurse_build<'tcx>( for &id in args.iter() { new_args.push(recurse_build(tcx, body, id, root_span)?); } - let new_args = tcx.mk_const_list(new_args.iter()); + let new_args = tcx.intern_const_list(&new_args); tcx.mk_const(Expr::FunctionCall(fun, new_args), node.ty) } &ExprKind::Binary { op, lhs, rhs } if check_binop(op) => { diff --git a/compiler/rustc_ty_utils/src/errors.rs b/compiler/rustc_ty_utils/src/errors.rs index c05eeb353a8..ab3e62f0484 100644 --- a/compiler/rustc_ty_utils/src/errors.rs +++ b/compiler/rustc_ty_utils/src/errors.rs @@ -16,7 +16,7 @@ pub struct NeedsDropOverflow<'tcx> { pub struct GenericConstantTooComplex { #[primary_span] pub span: Span, - #[note(maybe_supported)] + #[note(ty_utils_maybe_supported)] pub maybe_supported: Option<()>, #[subdiagnostic] pub sub: GenericConstantTooComplexSub, diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index de7230b0cfa..2eaeca73da7 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -3,7 +3,7 @@ use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_infer::infer::TyCtxtInferExt; use rustc_middle::traits::CodegenObligationError; use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, Instance, TyCtxt, TypeVisitable}; +use rustc_middle::ty::{self, Instance, TyCtxt, TypeVisitableExt}; use rustc_span::sym; use rustc_trait_selection::traits; use traits::{translate_substs, Reveal}; diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index b860fb6c918..a400fbfe683 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -7,7 +7,7 @@ use rustc_middle::ty::layout::{ IntegerExt, LayoutCx, LayoutError, LayoutOf, TyAndLayout, MAX_SIMD_LANES, }; use rustc_middle::ty::{ - self, subst::SubstsRef, AdtDef, EarlyBinder, ReprOptions, Ty, TyCtxt, TypeVisitable, + self, subst::SubstsRef, AdtDef, EarlyBinder, ReprOptions, Ty, TyCtxt, TypeVisitableExt, }; use rustc_session::{DataTypeKind, FieldInfo, FieldKind, SizeKind, VariantInfo}; use rustc_span::symbol::Symbol; @@ -193,7 +193,7 @@ fn layout_of_uncached<'tcx>( } ty::Dynamic(_, _, ty::DynStar) => { - let mut data = scalar_unit(Int(dl.ptr_sized_integer(), false)); + let mut data = scalar_unit(Pointer(AddressSpace::DATA)); data.valid_range_mut().start = 0; let mut vtable = scalar_unit(Pointer(AddressSpace::DATA)); vtable.valid_range_mut().start = 1; diff --git a/compiler/rustc_ty_utils/src/lib.rs b/compiler/rustc_ty_utils/src/lib.rs index 0853de601b0..35f468aa952 100644 --- a/compiler/rustc_ty_utils/src/lib.rs +++ b/compiler/rustc_ty_utils/src/lib.rs @@ -15,6 +15,8 @@ extern crate rustc_middle; #[macro_use] extern crate tracing; +use rustc_errors::{DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::fluent_messages; use rustc_middle::ty::query::Providers; mod abi; @@ -31,6 +33,8 @@ pub mod representability; mod structural_match; mod ty; +fluent_messages! { "../locales/en-US.ftl" } + pub fn provide(providers: &mut Providers) { abi::provide(providers); assoc::provide(providers); diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index 2c50b766d21..853c50f5246 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -1,8 +1,10 @@ -use rustc_data_structures::fx::FxIndexSet; +use rustc_data_structures::fx::{FxHashSet, FxIndexSet}; use rustc_hir as hir; +use rustc_hir::def::DefKind; use rustc_index::bit_set::BitSet; use rustc_middle::ty::{ self, Binder, EarlyBinder, Predicate, PredicateKind, ToPredicate, Ty, TyCtxt, + TypeSuperVisitable, TypeVisitable, TypeVisitor, }; use rustc_session::config::TraitSolver; use rustc_span::def_id::{DefId, CRATE_DEF_ID}; @@ -96,7 +98,7 @@ fn impl_defaultness(tcx: TyCtxt<'_>, def_id: DefId) -> hir::Defaultness { fn adt_sized_constraint(tcx: TyCtxt<'_>, def_id: DefId) -> &[Ty<'_>] { if let Some(def_id) = def_id.as_local() { if matches!(tcx.representability(def_id), ty::Representability::Infinite) { - return tcx.intern_type_list(&[tcx.ty_error()]); + return tcx.intern_type_list(&[tcx.ty_error_misc()]); } } let def = tcx.adt_def(def_id); @@ -136,6 +138,19 @@ fn param_env(tcx: TyCtxt<'_>, def_id: DefId) -> ty::ParamEnv<'_> { predicates.extend(environment); } + if tcx.def_kind(def_id) == DefKind::AssocFn + && tcx.associated_item(def_id).container == ty::AssocItemContainer::TraitContainer + { + let sig = tcx.fn_sig(def_id).subst_identity(); + sig.visit_with(&mut ImplTraitInTraitFinder { + tcx, + fn_def_id: def_id, + bound_vars: sig.bound_vars(), + predicates: &mut predicates, + seen: FxHashSet::default(), + }); + } + let local_did = def_id.as_local(); let hir_id = local_did.map(|def_id| tcx.hir().local_def_id_to_hir_id(def_id)); @@ -222,6 +237,46 @@ fn param_env(tcx: TyCtxt<'_>, def_id: DefId) -> ty::ParamEnv<'_> { traits::normalize_param_env_or_error(tcx, unnormalized_env, cause) } +/// Walk through a function type, gathering all RPITITs and installing a +/// `NormalizesTo(Projection(RPITIT) -> Opaque(RPITIT))` predicate into the +/// predicates list. This allows us to observe that an RPITIT projects to +/// its corresponding opaque within the body of a default-body trait method. +struct ImplTraitInTraitFinder<'a, 'tcx> { + tcx: TyCtxt<'tcx>, + predicates: &'a mut Vec<Predicate<'tcx>>, + fn_def_id: DefId, + bound_vars: &'tcx ty::List<ty::BoundVariableKind>, + seen: FxHashSet<DefId>, +} + +impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for ImplTraitInTraitFinder<'_, 'tcx> { + fn visit_ty(&mut self, ty: Ty<'tcx>) -> std::ops::ControlFlow<Self::BreakTy> { + if let ty::Alias(ty::Projection, alias_ty) = *ty.kind() + && self.tcx.def_kind(alias_ty.def_id) == DefKind::ImplTraitPlaceholder + && self.tcx.impl_trait_in_trait_parent(alias_ty.def_id) == self.fn_def_id + && self.seen.insert(alias_ty.def_id) + { + self.predicates.push( + ty::Binder::bind_with_vars( + ty::ProjectionPredicate { + projection_ty: alias_ty, + term: self.tcx.mk_alias(ty::Opaque, alias_ty).into(), + }, + self.bound_vars, + ) + .to_predicate(self.tcx), + ); + + for bound in self.tcx.item_bounds(alias_ty.def_id).subst_iter(self.tcx, alias_ty.substs) + { + bound.visit_with(self); + } + } + + ty.super_visit_with(self) + } +} + /// Elaborate the environment. /// /// Collect a list of `Predicate`'s used for building the `ParamEnv`. Adds `TypeWellFormedFromEnv`'s diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index cb28731681b..5a991e03dee 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -69,38 +69,37 @@ pub trait Interner: Sized { type PlaceholderRegion: Clone + Debug + Hash + Ord; } -pub trait InternAs<T: ?Sized, R> { +/// Imagine you have a function `F: FnOnce(&[T]) -> R`, plus an iterator `iter` +/// that produces `T` items. You could combine them with +/// `f(&iter.collect::<Vec<_>>())`, but this requires allocating memory for the +/// `Vec`. +/// +/// This trait allows for faster implementations, intended for cases where the +/// number of items produced by the iterator is small. There is a blanket impl +/// for `T` items, but there is also a fallible impl for `Result<T, E>` items. +pub trait CollectAndApply<T, R>: Sized { type Output; - fn intern_with<F>(self, f: F) -> Self::Output + + /// Produce a result of type `Self::Output` from `iter`. The result will + /// typically be produced by applying `f` on the elements produced by + /// `iter`, though this may not happen in some impls, e.g. if an error + /// occured during iteration. + fn collect_and_apply<I, F>(iter: I, f: F) -> Self::Output where + I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R; } -impl<I, T, R, E> InternAs<T, R> for I -where - E: InternIteratorElement<T, R>, - I: Iterator<Item = E>, -{ - type Output = E::Output; - fn intern_with<F>(self, f: F) -> Self::Output +/// The blanket impl that always collects all elements and applies `f`. +impl<T, R> CollectAndApply<T, R> for T { + type Output = R; + + /// Equivalent to `f(&iter.collect::<Vec<_>>())`. + fn collect_and_apply<I, F>(mut iter: I, f: F) -> R where + I: Iterator<Item = T>, F: FnOnce(&[T]) -> R, { - E::intern_with(self, f) - } -} - -pub trait InternIteratorElement<T, R>: Sized { - type Output; - fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>(iter: I, f: F) -> Self::Output; -} - -impl<T, R> InternIteratorElement<T, R> for T { - type Output = R; - fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>( - mut iter: I, - f: F, - ) -> Self::Output { // This code is hot enough that it's worth specializing for the most // common length lists, to avoid the overhead of `SmallVec` creation. // Lengths 0, 1, and 2 typically account for ~95% of cases. If @@ -127,23 +126,17 @@ impl<T, R> InternIteratorElement<T, R> for T { } } -impl<'a, T, R> InternIteratorElement<T, R> for &'a T -where - T: Clone + 'a, -{ - type Output = R; - fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>(iter: I, f: F) -> Self::Output { - // This code isn't hot. - f(&iter.cloned().collect::<SmallVec<[_; 8]>>()) - } -} - -impl<T, R, E> InternIteratorElement<T, R> for Result<T, E> { +/// A fallible impl that will fail, without calling `f`, if there are any +/// errors during collection. +impl<T, R, E> CollectAndApply<T, R> for Result<T, E> { type Output = Result<R, E>; - fn intern_with<I: Iterator<Item = Self>, F: FnOnce(&[T]) -> R>( - mut iter: I, - f: F, - ) -> Self::Output { + + /// Equivalent to `Ok(f(&iter.collect::<Result<Vec<_>>>()?))`. + fn collect_and_apply<I, F>(mut iter: I, f: F) -> Result<R, E> + where + I: Iterator<Item = Result<T, E>>, + F: FnOnce(&[T]) -> R, + { // This code is hot enough that it's worth specializing for the most // common length lists, to avoid the overhead of `SmallVec` creation. // Lengths 0, 1, and 2 typically account for ~95% of cases. If diff --git a/compiler/rustc_type_ir/src/sty.rs b/compiler/rustc_type_ir/src/sty.rs index e080726d91d..ebe2b76aef3 100644 --- a/compiler/rustc_type_ir/src/sty.rs +++ b/compiler/rustc_type_ir/src/sty.rs @@ -26,11 +26,9 @@ pub enum DynKind { Dyn, /// A sized `dyn* Trait` object /// - /// These objects are represented as a `(data, vtable)` pair where `data` is a ptr-sized value - /// (often a pointer to the real object, but not necessarily) and `vtable` is a pointer to - /// the vtable for `dyn* Trait`. The representation is essentially the same as `&dyn Trait` - /// or similar, but the drop function included in the vtable is responsible for freeing the - /// underlying storage if needed. This allows a `dyn*` object to be treated agnostically with + /// These objects are represented as a `(data, vtable)` pair where `data` is a value of some + /// ptr-sized and ptr-aligned dynamically determined type `T` and `vtable` is a pointer to the + /// vtable of `impl T for Trait`. This allows a `dyn*` object to be treated agnostically with /// respect to whether it points to a `Box<T>`, `Rc<T>`, etc. DynStar, } diff --git a/library/alloc/benches/vec_deque.rs b/library/alloc/benches/vec_deque.rs index 7c78561ebf1..313a97ed1ff 100644 --- a/library/alloc/benches/vec_deque.rs +++ b/library/alloc/benches/vec_deque.rs @@ -1,4 +1,8 @@ -use std::collections::VecDeque; +use core::iter::Iterator; +use std::{ + collections::{vec_deque, VecDeque}, + mem, +}; use test::{black_box, Bencher}; #[bench] @@ -53,6 +57,146 @@ fn bench_try_fold(b: &mut Bencher) { b.iter(|| black_box(ring.iter().try_fold(0, |a, b| Some(a + b)))) } +/// does the memory bookkeeping to reuse the buffer of the Vec between iterations. +/// `setup` must not modify its argument's length or capacity. `g` must not move out of its argument. +fn into_iter_helper< + T: Copy, + F: FnOnce(&mut VecDeque<T>), + G: FnOnce(&mut vec_deque::IntoIter<T>), +>( + v: &mut Vec<T>, + setup: F, + g: G, +) { + let ptr = v.as_mut_ptr(); + let len = v.len(); + // ensure that the vec is full, to make sure that any wrapping from the deque doesn't + // access uninitialized memory. + assert_eq!(v.len(), v.capacity()); + + let mut deque = VecDeque::from(mem::take(v)); + setup(&mut deque); + + let mut it = deque.into_iter(); + g(&mut it); + + mem::forget(it); + + // SAFETY: the provided functions are not allowed to modify the allocation, so the buffer is still alive. + // len and capacity are accurate due to the above assertion. + // All the elements in the buffer are still valid, because of `T: Copy` which implies `T: !Drop`. + mem::forget(mem::replace(v, unsafe { Vec::from_raw_parts(ptr, len, len) })); +} + +#[bench] +fn bench_into_iter(b: &mut Bencher) { + let len = 1024; + // we reuse this allocation for every run + let mut vec: Vec<usize> = (0..len).collect(); + vec.shrink_to_fit(); + + b.iter(|| { + let mut sum = 0; + into_iter_helper( + &mut vec, + |_| {}, + |it| { + for i in it { + sum += i; + } + }, + ); + black_box(sum); + + let mut sum = 0; + // rotating a full deque doesn't move any memory. + into_iter_helper( + &mut vec, + |d| d.rotate_left(len / 2), + |it| { + for i in it { + sum += i; + } + }, + ); + black_box(sum); + }); +} + +#[bench] +fn bench_into_iter_fold(b: &mut Bencher) { + let len = 1024; + + // because `fold` takes ownership of the iterator, + // we can't prevent it from dropping the memory, + // so we have to bite the bullet and reallocate + // for every iteration. + b.iter(|| { + let deque: VecDeque<usize> = (0..len).collect(); + assert_eq!(deque.len(), deque.capacity()); + let sum = deque.into_iter().fold(0, |a, b| a + b); + black_box(sum); + + // rotating a full deque doesn't move any memory. + let mut deque: VecDeque<usize> = (0..len).collect(); + assert_eq!(deque.len(), deque.capacity()); + deque.rotate_left(len / 2); + let sum = deque.into_iter().fold(0, |a, b| a + b); + black_box(sum); + }); +} + +#[bench] +fn bench_into_iter_try_fold(b: &mut Bencher) { + let len = 1024; + // we reuse this allocation for every run + let mut vec: Vec<usize> = (0..len).collect(); + vec.shrink_to_fit(); + + // Iterator::any uses Iterator::try_fold under the hood + b.iter(|| { + let mut b = false; + into_iter_helper(&mut vec, |_| {}, |it| b = it.any(|i| i == len - 1)); + black_box(b); + + into_iter_helper(&mut vec, |d| d.rotate_left(len / 2), |it| b = it.any(|i| i == len - 1)); + black_box(b); + }); +} + +#[bench] +fn bench_into_iter_next_chunk(b: &mut Bencher) { + let len = 1024; + // we reuse this allocation for every run + let mut vec: Vec<usize> = (0..len).collect(); + vec.shrink_to_fit(); + + b.iter(|| { + let mut buf = [0; 64]; + into_iter_helper( + &mut vec, + |_| {}, + |it| { + while let Ok(a) = it.next_chunk() { + buf = a; + } + }, + ); + black_box(buf); + + into_iter_helper( + &mut vec, + |d| d.rotate_left(len / 2), + |it| { + while let Ok(a) = it.next_chunk() { + buf = a; + } + }, + ); + black_box(buf); + }); +} + #[bench] fn bench_from_array_1000(b: &mut Bencher) { const N: usize = 1000; diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index 0b73b1af4eb..f1d0a305d99 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -851,18 +851,30 @@ impl<T: Ord> BinaryHeap<T> { where F: FnMut(&T) -> bool, { - let mut first_removed = self.len(); + struct RebuildOnDrop<'a, T: Ord> { + heap: &'a mut BinaryHeap<T>, + first_removed: usize, + } + + let mut guard = RebuildOnDrop { first_removed: self.len(), heap: self }; + let mut i = 0; - self.data.retain(|e| { + guard.heap.data.retain(|e| { let keep = f(e); - if !keep && i < first_removed { - first_removed = i; + if !keep && i < guard.first_removed { + guard.first_removed = i; } i += 1; keep }); - // data[0..first_removed] is untouched, so we only need to rebuild the tail: - self.rebuild_tail(first_removed); + + impl<'a, T: Ord> Drop for RebuildOnDrop<'a, T> { + fn drop(&mut self) { + // data[..first_removed] is untouched, so we only need to + // rebuild the tail: + self.heap.rebuild_tail(self.first_removed); + } + } } } diff --git a/library/alloc/src/collections/binary_heap/tests.rs b/library/alloc/src/collections/binary_heap/tests.rs index ffbb6c80ac0..500caa35678 100644 --- a/library/alloc/src/collections/binary_heap/tests.rs +++ b/library/alloc/src/collections/binary_heap/tests.rs @@ -474,6 +474,25 @@ fn test_retain() { assert!(a.is_empty()); } +#[test] +fn test_retain_catch_unwind() { + let mut heap = BinaryHeap::from(vec![3, 1, 2]); + + // Removes the 3, then unwinds out of retain. + let _ = catch_unwind(AssertUnwindSafe(|| { + heap.retain(|e| { + if *e == 1 { + panic!(); + } + false + }); + })); + + // Naively this would be [1, 2] (an invalid heap) if BinaryHeap delegates to + // Vec's retain impl and then does not rebuild the heap after that unwinds. + assert_eq!(heap.into_vec(), [2, 1]); +} + // old binaryheap failed this test // // Integrity means that all elements are present after a comparison panics, diff --git a/library/alloc/src/collections/vec_deque/into_iter.rs b/library/alloc/src/collections/vec_deque/into_iter.rs index e54880e8652..34bc0ce9177 100644 --- a/library/alloc/src/collections/vec_deque/into_iter.rs +++ b/library/alloc/src/collections/vec_deque/into_iter.rs @@ -1,5 +1,5 @@ -use core::fmt; use core::iter::{FusedIterator, TrustedLen}; +use core::{array, fmt, mem::MaybeUninit, ops::Try, ptr}; use crate::alloc::{Allocator, Global}; @@ -52,6 +52,126 @@ impl<T, A: Allocator> Iterator for IntoIter<T, A> { let len = self.inner.len(); (len, Some(len)) } + + #[inline] + fn advance_by(&mut self, n: usize) -> Result<(), usize> { + if self.inner.len < n { + let len = self.inner.len; + self.inner.clear(); + Err(len) + } else { + self.inner.drain(..n); + Ok(()) + } + } + + #[inline] + fn count(self) -> usize { + self.inner.len + } + + fn try_fold<B, F, R>(&mut self, mut init: B, mut f: F) -> R + where + F: FnMut(B, Self::Item) -> R, + R: Try<Output = B>, + { + struct Guard<'a, T, A: Allocator> { + deque: &'a mut VecDeque<T, A>, + // `consumed <= deque.len` always holds. + consumed: usize, + } + + impl<'a, T, A: Allocator> Drop for Guard<'a, T, A> { + fn drop(&mut self) { + self.deque.len -= self.consumed; + self.deque.head = self.deque.to_physical_idx(self.consumed); + } + } + + let mut guard = Guard { deque: &mut self.inner, consumed: 0 }; + + let (head, tail) = guard.deque.as_slices(); + + init = head + .iter() + .map(|elem| { + guard.consumed += 1; + // SAFETY: Because we incremented `guard.consumed`, the + // deque effectively forgot the element, so we can take + // ownership + unsafe { ptr::read(elem) } + }) + .try_fold(init, &mut f)?; + + tail.iter() + .map(|elem| { + guard.consumed += 1; + // SAFETY: Same as above. + unsafe { ptr::read(elem) } + }) + .try_fold(init, &mut f) + } + + #[inline] + fn fold<B, F>(mut self, init: B, mut f: F) -> B + where + F: FnMut(B, Self::Item) -> B, + { + match self.try_fold(init, |b, item| Ok::<B, !>(f(b, item))) { + Ok(b) => b, + Err(e) => match e {}, + } + } + + #[inline] + fn last(mut self) -> Option<Self::Item> { + self.inner.pop_back() + } + + fn next_chunk<const N: usize>( + &mut self, + ) -> Result<[Self::Item; N], array::IntoIter<Self::Item, N>> { + let mut raw_arr = MaybeUninit::uninit_array(); + let raw_arr_ptr = raw_arr.as_mut_ptr().cast(); + let (head, tail) = self.inner.as_slices(); + + if head.len() >= N { + // SAFETY: By manually adjusting the head and length of the deque, we effectively + // make it forget the first `N` elements, so taking ownership of them is safe. + unsafe { ptr::copy_nonoverlapping(head.as_ptr(), raw_arr_ptr, N) }; + self.inner.head = self.inner.to_physical_idx(N); + self.inner.len -= N; + // SAFETY: We initialized the entire array with items from `head` + return Ok(unsafe { raw_arr.transpose().assume_init() }); + } + + // SAFETY: Same argument as above. + unsafe { ptr::copy_nonoverlapping(head.as_ptr(), raw_arr_ptr, head.len()) }; + let remaining = N - head.len(); + + if tail.len() >= remaining { + // SAFETY: Same argument as above. + unsafe { + ptr::copy_nonoverlapping(tail.as_ptr(), raw_arr_ptr.add(head.len()), remaining) + }; + self.inner.head = self.inner.to_physical_idx(N); + self.inner.len -= N; + // SAFETY: We initialized the entire array with items from `head` and `tail` + Ok(unsafe { raw_arr.transpose().assume_init() }) + } else { + // SAFETY: Same argument as above. + unsafe { + ptr::copy_nonoverlapping(tail.as_ptr(), raw_arr_ptr.add(head.len()), tail.len()) + }; + let init = head.len() + tail.len(); + // We completely drained all the deques elements. + self.inner.head = 0; + self.inner.len = 0; + // SAFETY: We copied all elements from both slices to the beginning of the array, so + // the given range is initialized. + Err(unsafe { array::IntoIter::new_unchecked(raw_arr, 0..init) }) + } + } } #[stable(feature = "rust1", since = "1.0.0")] @@ -60,10 +180,73 @@ impl<T, A: Allocator> DoubleEndedIterator for IntoIter<T, A> { fn next_back(&mut self) -> Option<T> { self.inner.pop_back() } + + #[inline] + fn advance_back_by(&mut self, n: usize) -> Result<(), usize> { + let len = self.inner.len; + if len >= n { + self.inner.truncate(len - n); + Ok(()) + } else { + self.inner.clear(); + Err(len) + } + } + + fn try_rfold<B, F, R>(&mut self, mut init: B, mut f: F) -> R + where + F: FnMut(B, Self::Item) -> R, + R: Try<Output = B>, + { + struct Guard<'a, T, A: Allocator> { + deque: &'a mut VecDeque<T, A>, + // `consumed <= deque.len` always holds. + consumed: usize, + } + + impl<'a, T, A: Allocator> Drop for Guard<'a, T, A> { + fn drop(&mut self) { + self.deque.len -= self.consumed; + } + } + + let mut guard = Guard { deque: &mut self.inner, consumed: 0 }; + + let (head, tail) = guard.deque.as_slices(); + + init = tail + .iter() + .map(|elem| { + guard.consumed += 1; + // SAFETY: See `try_fold`'s safety comment. + unsafe { ptr::read(elem) } + }) + .try_rfold(init, &mut f)?; + + head.iter() + .map(|elem| { + guard.consumed += 1; + // SAFETY: Same as above. + unsafe { ptr::read(elem) } + }) + .try_rfold(init, &mut f) + } + + #[inline] + fn rfold<B, F>(mut self, init: B, mut f: F) -> B + where + F: FnMut(B, Self::Item) -> B, + { + match self.try_rfold(init, |b, item| Ok::<B, !>(f(b, item))) { + Ok(b) => b, + Err(e) => match e {}, + } + } } #[stable(feature = "rust1", since = "1.0.0")] impl<T, A: Allocator> ExactSizeIterator for IntoIter<T, A> { + #[inline] fn is_empty(&self) -> bool { self.inner.is_empty() } diff --git a/library/core/src/ffi/c_str.rs b/library/core/src/ffi/c_str.rs index cd00fd0daf9..87f077325f8 100644 --- a/library/core/src/ffi/c_str.rs +++ b/library/core/src/ffi/c_str.rs @@ -457,6 +457,10 @@ impl CStr { /// to a contiguous region of memory terminated with a 0 byte to represent /// the end of the string. /// + /// The type of the returned pointer is + /// [`*const c_char`][crate::ffi::c_char], and whether it's + /// an alias for `*const i8` or `*const u8` is platform-specific. + /// /// **WARNING** /// /// The returned pointer is read-only; writing to it (including passing it @@ -470,6 +474,7 @@ impl CStr { /// # #![allow(unused_must_use)] #![allow(temporary_cstring_as_ptr)] /// use std::ffi::CString; /// + /// // Do not do this: /// let ptr = CString::new("Hello").expect("CString::new failed").as_ptr(); /// unsafe { /// // `ptr` is dangling diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index 9e3e13e7004..b3a630d9559 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -69,6 +69,7 @@ fn _assert_is_object_safe(_: &dyn Iterator<Item = ()>) {} #[doc(notable_trait)] #[rustc_diagnostic_item = "Iterator"] #[must_use = "iterators are lazy and do nothing unless consumed"] +#[cfg_attr(not(bootstrap), const_trait)] pub trait Iterator { /// The type of the elements being iterated over. #[rustc_diagnostic_item = "IteratorItem"] @@ -141,6 +142,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "iter_next_chunk", reason = "recently added", issue = "98326")] + #[rustc_do_not_const_check] fn next_chunk<const N: usize>( &mut self, ) -> Result<[Self::Item; N], array::IntoIter<Self::Item, N>> @@ -218,6 +220,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn size_hint(&self) -> (usize, Option<usize>) { (0, None) } @@ -255,6 +258,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn count(self) -> usize where Self: Sized, @@ -285,6 +289,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn last(self) -> Option<Self::Item> where Self: Sized, @@ -331,6 +336,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "iter_advance_by", reason = "recently added", issue = "77404")] + #[rustc_do_not_const_check] fn advance_by(&mut self, n: usize) -> Result<(), usize> { for i in 0..n { self.next().ok_or(i)?; @@ -379,6 +385,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn nth(&mut self, n: usize) -> Option<Self::Item> { self.advance_by(n).ok()?; self.next() @@ -431,6 +438,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iterator_step_by", since = "1.28.0")] + #[rustc_do_not_const_check] fn step_by(self, step: usize) -> StepBy<Self> where Self: Sized, @@ -502,6 +510,7 @@ pub trait Iterator { /// [`OsStr`]: ../../std/ffi/struct.OsStr.html #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn chain<U>(self, other: U) -> Chain<Self, U::IntoIter> where Self: Sized, @@ -620,6 +629,7 @@ pub trait Iterator { /// [`zip`]: crate::iter::zip #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn zip<U>(self, other: U) -> Zip<Self, U::IntoIter> where Self: Sized, @@ -662,6 +672,7 @@ pub trait Iterator { /// [`intersperse_with`]: Iterator::intersperse_with #[inline] #[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")] + #[rustc_do_not_const_check] fn intersperse(self, separator: Self::Item) -> Intersperse<Self> where Self: Sized, @@ -720,6 +731,7 @@ pub trait Iterator { /// [`intersperse`]: Iterator::intersperse #[inline] #[unstable(feature = "iter_intersperse", reason = "recently added", issue = "79524")] + #[rustc_do_not_const_check] fn intersperse_with<G>(self, separator: G) -> IntersperseWith<Self, G> where Self: Sized, @@ -779,6 +791,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn map<B, F>(self, f: F) -> Map<Self, F> where Self: Sized, @@ -824,6 +837,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iterator_for_each", since = "1.21.0")] + #[rustc_do_not_const_check] fn for_each<F>(self, f: F) where Self: Sized, @@ -899,6 +913,7 @@ pub trait Iterator { /// Note that `iter.filter(f).next()` is equivalent to `iter.find(f)`. #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn filter<P>(self, predicate: P) -> Filter<Self, P> where Self: Sized, @@ -944,6 +959,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn filter_map<B, F>(self, f: F) -> FilterMap<Self, F> where Self: Sized, @@ -990,6 +1006,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn enumerate(self) -> Enumerate<Self> where Self: Sized, @@ -1061,6 +1078,7 @@ pub trait Iterator { /// [`next`]: Iterator::next #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn peekable(self) -> Peekable<Self> where Self: Sized, @@ -1126,6 +1144,7 @@ pub trait Iterator { #[inline] #[doc(alias = "drop_while")] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn skip_while<P>(self, predicate: P) -> SkipWhile<Self, P> where Self: Sized, @@ -1207,6 +1226,7 @@ pub trait Iterator { /// the iteration should stop, but wasn't placed back into the iterator. #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn take_while<P>(self, predicate: P) -> TakeWhile<Self, P> where Self: Sized, @@ -1295,6 +1315,7 @@ pub trait Iterator { /// [`fuse`]: Iterator::fuse #[inline] #[stable(feature = "iter_map_while", since = "1.57.0")] + #[rustc_do_not_const_check] fn map_while<B, P>(self, predicate: P) -> MapWhile<Self, P> where Self: Sized, @@ -1326,6 +1347,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn skip(self, n: usize) -> Skip<Self> where Self: Sized, @@ -1379,6 +1401,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn take(self, n: usize) -> Take<Self> where Self: Sized, @@ -1428,6 +1451,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn scan<St, B, F>(self, initial_state: St, f: F) -> Scan<Self, St, F> where Self: Sized, @@ -1468,6 +1492,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F> where Self: Sized, @@ -1552,6 +1577,7 @@ pub trait Iterator { /// [`flat_map()`]: Iterator::flat_map #[inline] #[stable(feature = "iterator_flatten", since = "1.29.0")] + #[rustc_do_not_const_check] fn flatten(self) -> Flatten<Self> where Self: Sized, @@ -1620,6 +1646,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn fuse(self) -> Fuse<Self> where Self: Sized, @@ -1704,6 +1731,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn inspect<F>(self, f: F) -> Inspect<Self, F> where Self: Sized, @@ -1734,6 +1762,7 @@ pub trait Iterator { /// assert_eq!(of_rust, vec!["of", "Rust"]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn by_ref(&mut self) -> &mut Self where Self: Sized, @@ -1853,6 +1882,7 @@ pub trait Iterator { #[stable(feature = "rust1", since = "1.0.0")] #[must_use = "if you really need to exhaust the iterator, consider `.for_each(drop)` instead"] #[cfg_attr(not(test), rustc_diagnostic_item = "iterator_collect_fn")] + #[rustc_do_not_const_check] fn collect<B: FromIterator<Self::Item>>(self) -> B where Self: Sized, @@ -1931,6 +1961,7 @@ pub trait Iterator { /// [`collect`]: Iterator::collect #[inline] #[unstable(feature = "iterator_try_collect", issue = "94047")] + #[rustc_do_not_const_check] fn try_collect<B>(&mut self) -> ChangeOutputType<Self::Item, B> where Self: Sized, @@ -2004,6 +2035,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "iter_collect_into", reason = "new API", issue = "94780")] + #[rustc_do_not_const_check] fn collect_into<E: Extend<Self::Item>>(self, collection: &mut E) -> &mut E where Self: Sized, @@ -2038,6 +2070,7 @@ pub trait Iterator { /// assert_eq!(odd, vec![1, 3]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn partition<B, F>(self, f: F) -> (B, B) where Self: Sized, @@ -2100,6 +2133,7 @@ pub trait Iterator { /// assert!(a[i..].iter().all(|&n| n % 2 == 1)); // odds /// ``` #[unstable(feature = "iter_partition_in_place", reason = "new API", issue = "62543")] + #[rustc_do_not_const_check] fn partition_in_place<'a, T: 'a, P>(mut self, ref mut predicate: P) -> usize where Self: Sized + DoubleEndedIterator<Item = &'a mut T>, @@ -2157,6 +2191,7 @@ pub trait Iterator { /// assert!(!"IntoIterator".chars().is_partitioned(char::is_uppercase)); /// ``` #[unstable(feature = "iter_is_partitioned", reason = "new API", issue = "62544")] + #[rustc_do_not_const_check] fn is_partitioned<P>(mut self, mut predicate: P) -> bool where Self: Sized, @@ -2251,6 +2286,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iterator_try_fold", since = "1.27.0")] + #[rustc_do_not_const_check] fn try_fold<B, F, R>(&mut self, init: B, mut f: F) -> R where Self: Sized, @@ -2309,6 +2345,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iterator_try_fold", since = "1.27.0")] + #[rustc_do_not_const_check] fn try_for_each<F, R>(&mut self, f: F) -> R where Self: Sized, @@ -2428,6 +2465,7 @@ pub trait Iterator { #[doc(alias = "inject", alias = "foldl")] #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn fold<B, F>(mut self, init: B, mut f: F) -> B where Self: Sized, @@ -2465,6 +2503,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iterator_fold_self", since = "1.51.0")] + #[rustc_do_not_const_check] fn reduce<F>(mut self, f: F) -> Option<Self::Item> where Self: Sized, @@ -2536,6 +2575,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "iterator_try_reduce", reason = "new API", issue = "87053")] + #[rustc_do_not_const_check] fn try_reduce<F, R>(&mut self, f: F) -> ChangeOutputType<R, Option<R::Output>> where Self: Sized, @@ -2593,6 +2633,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn all<F>(&mut self, f: F) -> bool where Self: Sized, @@ -2646,6 +2687,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn any<F>(&mut self, f: F) -> bool where Self: Sized, @@ -2709,6 +2751,7 @@ pub trait Iterator { /// Note that `iter.find(f)` is equivalent to `iter.filter(f).next()`. #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn find<P>(&mut self, predicate: P) -> Option<Self::Item> where Self: Sized, @@ -2740,6 +2783,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iterator_find_map", since = "1.30.0")] + #[rustc_do_not_const_check] fn find_map<B, F>(&mut self, f: F) -> Option<B> where Self: Sized, @@ -2796,6 +2840,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "try_find", reason = "new API", issue = "63178")] + #[rustc_do_not_const_check] fn try_find<F, R>(&mut self, f: F) -> ChangeOutputType<R, Option<Self::Item>> where Self: Sized, @@ -2878,6 +2923,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn position<P>(&mut self, predicate: P) -> Option<usize> where Self: Sized, @@ -2935,6 +2981,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn rposition<P>(&mut self, predicate: P) -> Option<usize> where P: FnMut(Self::Item) -> bool, @@ -2986,6 +3033,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn max(self) -> Option<Self::Item> where Self: Sized, @@ -3024,6 +3072,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn min(self) -> Option<Self::Item> where Self: Sized, @@ -3046,6 +3095,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iter_cmp_by_key", since = "1.6.0")] + #[rustc_do_not_const_check] fn max_by_key<B: Ord, F>(self, f: F) -> Option<Self::Item> where Self: Sized, @@ -3079,6 +3129,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iter_max_by", since = "1.15.0")] + #[rustc_do_not_const_check] fn max_by<F>(self, compare: F) -> Option<Self::Item> where Self: Sized, @@ -3106,6 +3157,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iter_cmp_by_key", since = "1.6.0")] + #[rustc_do_not_const_check] fn min_by_key<B: Ord, F>(self, f: F) -> Option<Self::Item> where Self: Sized, @@ -3139,6 +3191,7 @@ pub trait Iterator { /// ``` #[inline] #[stable(feature = "iter_min_by", since = "1.15.0")] + #[rustc_do_not_const_check] fn min_by<F>(self, compare: F) -> Option<Self::Item> where Self: Sized, @@ -3176,6 +3229,7 @@ pub trait Iterator { #[inline] #[doc(alias = "reverse")] #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn rev(self) -> Rev<Self> where Self: Sized + DoubleEndedIterator, @@ -3214,6 +3268,7 @@ pub trait Iterator { /// assert_eq!(z, [3, 6]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn unzip<A, B, FromA, FromB>(self) -> (FromA, FromB) where FromA: Default + Extend<A>, @@ -3246,6 +3301,7 @@ pub trait Iterator { /// assert_eq!(v_map, vec![1, 2, 3]); /// ``` #[stable(feature = "iter_copied", since = "1.36.0")] + #[rustc_do_not_const_check] fn copied<'a, T: 'a>(self) -> Copied<Self> where Self: Sized + Iterator<Item = &'a T>, @@ -3293,6 +3349,7 @@ pub trait Iterator { /// assert_eq!(&[vec![23]], &faster[..]); /// ``` #[stable(feature = "rust1", since = "1.0.0")] + #[rustc_do_not_const_check] fn cloned<'a, T: 'a>(self) -> Cloned<Self> where Self: Sized + Iterator<Item = &'a T>, @@ -3327,6 +3384,7 @@ pub trait Iterator { /// ``` #[stable(feature = "rust1", since = "1.0.0")] #[inline] + #[rustc_do_not_const_check] fn cycle(self) -> Cycle<Self> where Self: Sized + Clone, @@ -3370,6 +3428,7 @@ pub trait Iterator { /// ``` #[track_caller] #[unstable(feature = "iter_array_chunks", reason = "recently added", issue = "100450")] + #[rustc_do_not_const_check] fn array_chunks<const N: usize>(self) -> ArrayChunks<Self, N> where Self: Sized, @@ -3400,6 +3459,7 @@ pub trait Iterator { /// assert_eq!(sum, 6); /// ``` #[stable(feature = "iter_arith", since = "1.11.0")] + #[rustc_do_not_const_check] fn sum<S>(self) -> S where Self: Sized, @@ -3429,6 +3489,7 @@ pub trait Iterator { /// assert_eq!(factorial(5), 120); /// ``` #[stable(feature = "iter_arith", since = "1.11.0")] + #[rustc_do_not_const_check] fn product<P>(self) -> P where Self: Sized, @@ -3450,6 +3511,7 @@ pub trait Iterator { /// assert_eq!([1, 2].iter().cmp([1].iter()), Ordering::Greater); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn cmp<I>(self, other: I) -> Ordering where I: IntoIterator<Item = Self::Item>, @@ -3479,6 +3541,7 @@ pub trait Iterator { /// assert_eq!(xs.iter().cmp_by(&ys, |&x, &y| (2 * x).cmp(&y)), Ordering::Greater); /// ``` #[unstable(feature = "iter_order_by", issue = "64295")] + #[rustc_do_not_const_check] fn cmp_by<I, F>(self, other: I, cmp: F) -> Ordering where Self: Sized, @@ -3535,6 +3598,7 @@ pub trait Iterator { /// ``` /// #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn partial_cmp<I>(self, other: I) -> Option<Ordering> where I: IntoIterator, @@ -3573,6 +3637,7 @@ pub trait Iterator { /// ); /// ``` #[unstable(feature = "iter_order_by", issue = "64295")] + #[rustc_do_not_const_check] fn partial_cmp_by<I, F>(self, other: I, partial_cmp: F) -> Option<Ordering> where Self: Sized, @@ -3606,6 +3671,7 @@ pub trait Iterator { /// assert_eq!([1].iter().eq([1, 2].iter()), false); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn eq<I>(self, other: I) -> bool where I: IntoIterator, @@ -3631,6 +3697,7 @@ pub trait Iterator { /// assert!(xs.iter().eq_by(&ys, |&x, &y| x * x == y)); /// ``` #[unstable(feature = "iter_order_by", issue = "64295")] + #[rustc_do_not_const_check] fn eq_by<I, F>(self, other: I, eq: F) -> bool where Self: Sized, @@ -3663,6 +3730,7 @@ pub trait Iterator { /// assert_eq!([1].iter().ne([1, 2].iter()), true); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn ne<I>(self, other: I) -> bool where I: IntoIterator, @@ -3684,6 +3752,7 @@ pub trait Iterator { /// assert_eq!([1, 2].iter().lt([1, 2].iter()), false); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn lt<I>(self, other: I) -> bool where I: IntoIterator, @@ -3705,6 +3774,7 @@ pub trait Iterator { /// assert_eq!([1, 2].iter().le([1, 2].iter()), true); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn le<I>(self, other: I) -> bool where I: IntoIterator, @@ -3726,6 +3796,7 @@ pub trait Iterator { /// assert_eq!([1, 2].iter().gt([1, 2].iter()), false); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn gt<I>(self, other: I) -> bool where I: IntoIterator, @@ -3747,6 +3818,7 @@ pub trait Iterator { /// assert_eq!([1, 2].iter().ge([1, 2].iter()), true); /// ``` #[stable(feature = "iter_order", since = "1.5.0")] + #[rustc_do_not_const_check] fn ge<I>(self, other: I) -> bool where I: IntoIterator, @@ -3778,6 +3850,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")] + #[rustc_do_not_const_check] fn is_sorted(self) -> bool where Self: Sized, @@ -3806,6 +3879,7 @@ pub trait Iterator { /// /// [`is_sorted`]: Iterator::is_sorted #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")] + #[rustc_do_not_const_check] fn is_sorted_by<F>(mut self, compare: F) -> bool where Self: Sized, @@ -3852,6 +3926,7 @@ pub trait Iterator { /// ``` #[inline] #[unstable(feature = "is_sorted", reason = "new API", issue = "53485")] + #[rustc_do_not_const_check] fn is_sorted_by_key<F, K>(self, f: F) -> bool where Self: Sized, @@ -3867,6 +3942,7 @@ pub trait Iterator { #[inline] #[doc(hidden)] #[unstable(feature = "trusted_random_access", issue = "none")] + #[rustc_do_not_const_check] unsafe fn __iterator_get_unchecked(&mut self, _idx: usize) -> Self::Item where Self: TrustedRandomAccessNoCoerce, diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index dc0702c467a..d3727a824b5 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -194,6 +194,7 @@ #![feature(cfg_target_has_atomic_equal_alignment)] #![feature(const_closures)] #![feature(const_fn_floating_point_arithmetic)] +#![feature(const_for)] #![feature(const_mut_refs)] #![feature(const_precise_live_drops)] #![feature(const_refs_to_cell)] diff --git a/library/core/src/num/int_macros.rs b/library/core/src/num/int_macros.rs index 479f8ffb78d..572191d0f9b 100644 --- a/library/core/src/num/int_macros.rs +++ b/library/core/src/num/int_macros.rs @@ -1,9 +1,24 @@ macro_rules! int_impl { - ($SelfT:ty, $ActualT:ident, $UnsignedT:ty, $BITS:expr, $BITS_MINUS_ONE:expr, $Min:expr, $Max:expr, - $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr, - $reversed:expr, $le_bytes:expr, $be_bytes:expr, - $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr, - $bound_condition:expr) => { + ( + Self = $SelfT:ty, + ActualT = $ActualT:ident, + UnsignedT = $UnsignedT:ty, + BITS = $BITS:expr, + BITS_MINUS_ONE = $BITS_MINUS_ONE:expr, + Min = $Min:expr, + Max = $Max:expr, + rot = $rot:expr, + rot_op = $rot_op:expr, + rot_result = $rot_result:expr, + swap_op = $swap_op:expr, + swapped = $swapped:expr, + reversed = $reversed:expr, + le_bytes = $le_bytes:expr, + be_bytes = $be_bytes:expr, + to_xe_bytes_doc = $to_xe_bytes_doc:expr, + from_xe_bytes_doc = $from_xe_bytes_doc:expr, + bound_condition = $bound_condition:expr, + ) => { /// The smallest value that can be represented by this integer type #[doc = concat!("(−2<sup>", $BITS_MINUS_ONE, "</sup>", $bound_condition, ").")] /// diff --git a/library/core/src/num/mod.rs b/library/core/src/num/mod.rs index 0497416745f..a50c91579fa 100644 --- a/library/core/src/num/mod.rs +++ b/library/core/src/num/mod.rs @@ -226,72 +226,217 @@ macro_rules! widening_impl { } impl i8 { - int_impl! { i8, i8, u8, 8, 7, -128, 127, 2, "-0x7e", "0xa", "0x12", "0x12", "0x48", - "[0x12]", "[0x12]", "", "", "" } + int_impl! { + Self = i8, + ActualT = i8, + UnsignedT = u8, + BITS = 8, + BITS_MINUS_ONE = 7, + Min = -128, + Max = 127, + rot = 2, + rot_op = "-0x7e", + rot_result = "0xa", + swap_op = "0x12", + swapped = "0x12", + reversed = "0x48", + le_bytes = "[0x12]", + be_bytes = "[0x12]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } impl i16 { - int_impl! { i16, i16, u16, 16, 15, -32768, 32767, 4, "-0x5ffd", "0x3a", "0x1234", "0x3412", - "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]", "", "", "" } + int_impl! { + Self = i16, + ActualT = i16, + UnsignedT = u16, + BITS = 16, + BITS_MINUS_ONE = 15, + Min = -32768, + Max = 32767, + rot = 4, + rot_op = "-0x5ffd", + rot_result = "0x3a", + swap_op = "0x1234", + swapped = "0x3412", + reversed = "0x2c48", + le_bytes = "[0x34, 0x12]", + be_bytes = "[0x12, 0x34]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } impl i32 { - int_impl! { i32, i32, u32, 32, 31, -2147483648, 2147483647, 8, "0x10000b3", "0xb301", - "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78]", "", "", "" } + int_impl! { + Self = i32, + ActualT = i32, + UnsignedT = u32, + BITS = 32, + BITS_MINUS_ONE = 31, + Min = -2147483648, + Max = 2147483647, + rot = 8, + rot_op = "0x10000b3", + rot_result = "0xb301", + swap_op = "0x12345678", + swapped = "0x78563412", + reversed = "0x1e6a2c48", + le_bytes = "[0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } impl i64 { - int_impl! { i64, i64, u64, 64, 63, -9223372036854775808, 9223372036854775807, 12, - "0xaa00000000006e1", "0x6e10aa", "0x1234567890123456", "0x5634129078563412", - "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", "", "", "" } + int_impl! { + Self = i64, + ActualT = i64, + UnsignedT = u64, + BITS = 64, + BITS_MINUS_ONE = 63, + Min = -9223372036854775808, + Max = 9223372036854775807, + rot = 12, + rot_op = "0xaa00000000006e1", + rot_result = "0x6e10aa", + swap_op = "0x1234567890123456", + swapped = "0x5634129078563412", + reversed = "0x6a2c48091e6a2c48", + le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } impl i128 { - int_impl! { i128, i128, u128, 128, 127, -170141183460469231731687303715884105728, - 170141183460469231731687303715884105727, 16, - "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012", - "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48", - "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \ - 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \ - 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", "", "", "" } + int_impl! { + Self = i128, + ActualT = i128, + UnsignedT = u128, + BITS = 128, + BITS_MINUS_ONE = 127, + Min = -170141183460469231731687303715884105728, + Max = 170141183460469231731687303715884105727, + rot = 16, + rot_op = "0x13f40000000000000000000000004f76", + rot_result = "0x4f7613f4", + swap_op = "0x12345678901234567890123456789012", + swapped = "0x12907856341290785634129078563412", + reversed = "0x48091e6a2c48091e6a2c48091e6a2c48", + le_bytes = "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \ + 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \ + 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } #[cfg(target_pointer_width = "16")] impl isize { - int_impl! { isize, i16, usize, 16, 15, -32768, 32767, 4, "-0x5ffd", "0x3a", "0x1234", - "0x3412", "0x2c48", "[0x34, 0x12]", "[0x12, 0x34]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 16-bit targets" } + int_impl! { + Self = isize, + ActualT = i16, + UnsignedT = usize, + BITS = 16, + BITS_MINUS_ONE = 15, + Min = -32768, + Max = 32767, + rot = 4, + rot_op = "-0x5ffd", + rot_result = "0x3a", + swap_op = "0x1234", + swapped = "0x3412", + reversed = "0x2c48", + le_bytes = "[0x34, 0x12]", + be_bytes = "[0x12, 0x34]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 16-bit targets", + } } #[cfg(target_pointer_width = "32")] impl isize { - int_impl! { isize, i32, usize, 32, 31, -2147483648, 2147483647, 8, "0x10000b3", "0xb301", - "0x12345678", "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 32-bit targets" } + int_impl! { + Self = isize, + ActualT = i32, + UnsignedT = usize, + BITS = 32, + BITS_MINUS_ONE = 31, + Min = -2147483648, + Max = 2147483647, + rot = 8, + rot_op = "0x10000b3", + rot_result = "0xb301", + swap_op = "0x12345678", + swapped = "0x78563412", + reversed = "0x1e6a2c48", + le_bytes = "[0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 32-bit targets", + } } #[cfg(target_pointer_width = "64")] impl isize { - int_impl! { isize, i64, usize, 64, 63, -9223372036854775808, 9223372036854775807, - 12, "0xaa00000000006e1", "0x6e10aa", "0x1234567890123456", "0x5634129078563412", - "0x6a2c48091e6a2c48", "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 64-bit targets" } + int_impl! { + Self = isize, + ActualT = i64, + UnsignedT = usize, + BITS = 64, + BITS_MINUS_ONE = 63, + Min = -9223372036854775808, + Max = 9223372036854775807, + rot = 12, + rot_op = "0xaa00000000006e1", + rot_result = "0x6e10aa", + swap_op = "0x1234567890123456", + swapped = "0x5634129078563412", + reversed = "0x6a2c48091e6a2c48", + le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 64-bit targets", + } } /// If 6th bit set ascii is upper case. const ASCII_CASE_MASK: u8 = 0b0010_0000; impl u8 { - uint_impl! { u8, u8, i8, NonZeroU8, 8, 255, 2, "0x82", "0xa", "0x12", "0x12", "0x48", "[0x12]", - "[0x12]", "", "", "" } + uint_impl! { + Self = u8, + ActualT = u8, + SignedT = i8, + NonZeroT = NonZeroU8, + BITS = 8, + MAX = 255, + rot = 2, + rot_op = "0x82", + rot_result = "0xa", + swap_op = "0x12", + swapped = "0x12", + reversed = "0x48", + le_bytes = "[0x12]", + be_bytes = "[0x12]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u8, u16, 8, unsigned } /// Checks if the value is within the ASCII range. @@ -875,8 +1020,25 @@ impl u8 { } impl u16 { - uint_impl! { u16, u16, i16, NonZeroU16, 16, 65535, 4, "0xa003", "0x3a", "0x1234", "0x3412", "0x2c48", - "[0x34, 0x12]", "[0x12, 0x34]", "", "", "" } + uint_impl! { + Self = u16, + ActualT = u16, + SignedT = i16, + NonZeroT = NonZeroU16, + BITS = 16, + MAX = 65535, + rot = 4, + rot_op = "0xa003", + rot_result = "0x3a", + swap_op = "0x1234", + swapped = "0x3412", + reversed = "0x2c48", + le_bytes = "[0x34, 0x12]", + be_bytes = "[0x12, 0x34]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u16, u32, 16, unsigned } /// Checks if the value is a Unicode surrogate code point, which are disallowed values for [`char`]. @@ -906,56 +1068,144 @@ impl u16 { } impl u32 { - uint_impl! { u32, u32, i32, NonZeroU32, 32, 4294967295, 8, "0x10000b3", "0xb301", "0x12345678", - "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", "[0x12, 0x34, 0x56, 0x78]", "", "", "" } + uint_impl! { + Self = u32, + ActualT = u32, + SignedT = i32, + NonZeroT = NonZeroU32, + BITS = 32, + MAX = 4294967295, + rot = 8, + rot_op = "0x10000b3", + rot_result = "0xb301", + swap_op = "0x12345678", + swapped = "0x78563412", + reversed = "0x1e6a2c48", + le_bytes = "[0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u32, u64, 32, unsigned } } impl u64 { - uint_impl! { u64, u64, i64, NonZeroU64, 64, 18446744073709551615, 12, "0xaa00000000006e1", "0x6e10aa", - "0x1234567890123456", "0x5634129078563412", "0x6a2c48091e6a2c48", - "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", - "", "", ""} + uint_impl! { + Self = u64, + ActualT = u64, + SignedT = i64, + NonZeroT = NonZeroU64, + BITS = 64, + MAX = 18446744073709551615, + rot = 12, + rot_op = "0xaa00000000006e1", + rot_result = "0x6e10aa", + swap_op = "0x1234567890123456", + swapped = "0x5634129078563412", + reversed = "0x6a2c48091e6a2c48", + le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } widening_impl! { u64, u128, 64, unsigned } } impl u128 { - uint_impl! { u128, u128, i128, NonZeroU128, 128, 340282366920938463463374607431768211455, 16, - "0x13f40000000000000000000000004f76", "0x4f7613f4", "0x12345678901234567890123456789012", - "0x12907856341290785634129078563412", "0x48091e6a2c48091e6a2c48091e6a2c48", - "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \ - 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \ - 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", - "", "", ""} + uint_impl! { + Self = u128, + ActualT = u128, + SignedT = i128, + NonZeroT = NonZeroU128, + BITS = 128, + MAX = 340282366920938463463374607431768211455, + rot = 16, + rot_op = "0x13f40000000000000000000000004f76", + rot_result = "0x4f7613f4", + swap_op = "0x12345678901234567890123456789012", + swapped = "0x12907856341290785634129078563412", + reversed = "0x48091e6a2c48091e6a2c48091e6a2c48", + le_bytes = "[0x12, 0x90, 0x78, 0x56, 0x34, 0x12, 0x90, 0x78, \ + 0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, \ + 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12]", + to_xe_bytes_doc = "", + from_xe_bytes_doc = "", + bound_condition = "", + } } #[cfg(target_pointer_width = "16")] impl usize { - uint_impl! { usize, u16, isize, NonZeroUsize, 16, 65535, 4, "0xa003", "0x3a", "0x1234", "0x3412", "0x2c48", - "[0x34, 0x12]", "[0x12, 0x34]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 16-bit targets" } + uint_impl! { + Self = usize, + ActualT = u16, + SignedT = isize, + NonZeroT = NonZeroUsize, + BITS = 16, + MAX = 65535, + rot = 4, + rot_op = "0xa003", + rot_result = "0x3a", + swap_op = "0x1234", + swapped = "0x3412", + reversed = "0x2c48", + le_bytes = "[0x34, 0x12]", + be_bytes = "[0x12, 0x34]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 16-bit targets", + } widening_impl! { usize, u32, 16, unsigned } } + #[cfg(target_pointer_width = "32")] impl usize { - uint_impl! { usize, u32, isize, NonZeroUsize, 32, 4294967295, 8, "0x10000b3", "0xb301", "0x12345678", - "0x78563412", "0x1e6a2c48", "[0x78, 0x56, 0x34, 0x12]", "[0x12, 0x34, 0x56, 0x78]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 32-bit targets" } + uint_impl! { + Self = usize, + ActualT = u32, + SignedT = isize, + NonZeroT = NonZeroUsize, + BITS = 32, + MAX = 4294967295, + rot = 8, + rot_op = "0x10000b3", + rot_result = "0xb301", + swap_op = "0x12345678", + swapped = "0x78563412", + reversed = "0x1e6a2c48", + le_bytes = "[0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 32-bit targets", + } widening_impl! { usize, u64, 32, unsigned } } #[cfg(target_pointer_width = "64")] impl usize { - uint_impl! { usize, u64, isize, NonZeroUsize, 64, 18446744073709551615, 12, "0xaa00000000006e1", "0x6e10aa", - "0x1234567890123456", "0x5634129078563412", "0x6a2c48091e6a2c48", - "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", - "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", - usize_isize_to_xe_bytes_doc!(), usize_isize_from_xe_bytes_doc!(), - " on 64-bit targets" } + uint_impl! { + Self = usize, + ActualT = u64, + SignedT = isize, + NonZeroT = NonZeroUsize, + BITS = 64, + MAX = 18446744073709551615, + rot = 12, + rot_op = "0xaa00000000006e1", + rot_result = "0x6e10aa", + swap_op = "0x1234567890123456", + swapped = "0x5634129078563412", + reversed = "0x6a2c48091e6a2c48", + le_bytes = "[0x56, 0x34, 0x12, 0x90, 0x78, 0x56, 0x34, 0x12]", + be_bytes = "[0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56]", + to_xe_bytes_doc = usize_isize_to_xe_bytes_doc!(), + from_xe_bytes_doc = usize_isize_from_xe_bytes_doc!(), + bound_condition = " on 64-bit targets", + } widening_impl! { usize, u128, 64, unsigned } } diff --git a/library/core/src/num/uint_macros.rs b/library/core/src/num/uint_macros.rs index 495c44bd859..c4fe8e966fd 100644 --- a/library/core/src/num/uint_macros.rs +++ b/library/core/src/num/uint_macros.rs @@ -1,10 +1,23 @@ macro_rules! uint_impl { - ($SelfT:ty, $ActualT:ident, $SignedT:ident, $NonZeroT:ident, - $BITS:expr, $MaxV:expr, - $rot:expr, $rot_op:expr, $rot_result:expr, $swap_op:expr, $swapped:expr, - $reversed:expr, $le_bytes:expr, $be_bytes:expr, - $to_xe_bytes_doc:expr, $from_xe_bytes_doc:expr, - $bound_condition:expr) => { + ( + Self = $SelfT:ty, + ActualT = $ActualT:ident, + SignedT = $SignedT:ident, + NonZeroT = $NonZeroT:ident, + BITS = $BITS:expr, + MAX = $MaxV:expr, + rot = $rot:expr, + rot_op = $rot_op:expr, + rot_result = $rot_result:expr, + swap_op = $swap_op:expr, + swapped = $swapped:expr, + reversed = $reversed:expr, + le_bytes = $le_bytes:expr, + be_bytes = $be_bytes:expr, + to_xe_bytes_doc = $to_xe_bytes_doc:expr, + from_xe_bytes_doc = $from_xe_bytes_doc:expr, + bound_condition = $bound_condition:expr, + ) => { /// The smallest value that can be represented by this integer type. /// /// # Examples diff --git a/library/core/src/result.rs b/library/core/src/result.rs index 7596e9cc005..208b220c24a 100644 --- a/library/core/src/result.rs +++ b/library/core/src/result.rs @@ -525,8 +525,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<i32, &str> = Ok(-3); /// assert_eq!(x.is_ok(), true); @@ -572,8 +570,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<i32, &str> = Ok(-3); /// assert_eq!(x.is_err(), false); @@ -627,8 +623,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(2); /// assert_eq!(x.ok(), Some(2)); @@ -658,8 +652,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(2); /// assert_eq!(x.err(), None); @@ -693,8 +685,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(2); /// assert_eq!(x.as_ref(), Ok(&2)); @@ -716,8 +706,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// fn mutate(r: &mut Result<i32, i32>) { /// match r.as_mut() { @@ -812,8 +800,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let k = 21; /// @@ -841,8 +827,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// fn stringify(x: u32) -> String { format!("error code: {x}") } /// @@ -968,8 +952,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(7); /// assert_eq!(x.iter().next(), Some(&7)); @@ -989,8 +971,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let mut x: Result<u32, &str> = Ok(7); /// match x.iter_mut().next() { @@ -1031,8 +1011,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ```should_panic /// let x: Result<u32, &str> = Err("emergency failure"); /// x.expect("Testing expect"); // panics with `Testing expect: emergency failure` @@ -1160,8 +1138,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ```should_panic /// let x: Result<u32, &str> = Ok(10); /// x.expect_err("Testing expect_err"); // panics with `Testing expect_err: 10` @@ -1222,8 +1198,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// # #![feature(never_type)] /// # #![feature(unwrap_infallible)] @@ -1259,8 +1233,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// # #![feature(never_type)] /// # #![feature(unwrap_infallible)] @@ -1298,8 +1270,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(2); /// let y: Result<&str, &str> = Err("late error"); @@ -1383,8 +1353,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(2); /// let y: Result<u32, &str> = Err("late error"); @@ -1426,8 +1394,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// fn sq(x: u32) -> Result<u32, u32> { Ok(x * x) } /// fn err(x: u32) -> Result<u32, u32> { Err(x) } @@ -1456,8 +1422,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let default = 2; /// let x: Result<u32, &str> = Ok(9); @@ -1487,8 +1451,6 @@ impl<T, E> Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// fn count(x: &str) -> usize { x.len() } /// @@ -1752,8 +1714,6 @@ impl<T, E> Result<Result<T, E>, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// #![feature(result_flattening)] /// let x: Result<Result<&'static str, u32>, u32> = Ok(Ok("hello")); @@ -1842,8 +1802,6 @@ impl<T, E> IntoIterator for Result<T, E> { /// /// # Examples /// - /// Basic usage: - /// /// ``` /// let x: Result<u32, &str> = Ok(5); /// let v: Vec<u32> = x.into_iter().collect(); diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 6ea16bf6430..e8374784501 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -2730,8 +2730,10 @@ impl<T> [T] { /// This reordering has the additional property that any value at position `i < index` will be /// less than or equal to any value at a position `j > index`. Additionally, this reordering is /// unstable (i.e. any number of equal elements may end up at position `index`), in-place - /// (i.e. does not allocate), and *O*(*n*) worst-case. This function is also/ known as "kth - /// element" in other libraries. It returns a triplet of the following from the reordered slice: + /// (i.e. does not allocate), and *O*(*n*) on average. The worst-case performance is *O*(*n* log *n*). + /// This function is also known as "kth element" in other libraries. + /// + /// It returns a triplet of the following from the reordered slice: /// the subslice prior to `index`, the element at `index`, and the subslice after `index`; /// accordingly, the values in those two subslices will respectively all be less-than-or-equal-to /// and greater-than-or-equal-to the value of the element at `index`. @@ -2777,8 +2779,11 @@ impl<T> [T] { /// This reordering has the additional property that any value at position `i < index` will be /// less than or equal to any value at a position `j > index` using the comparator function. /// Additionally, this reordering is unstable (i.e. any number of equal elements may end up at - /// position `index`), in-place (i.e. does not allocate), and *O*(*n*) worst-case. This function - /// is also known as "kth element" in other libraries. It returns a triplet of the following from + /// position `index`), in-place (i.e. does not allocate), and *O*(*n*) on average. + /// The worst-case performance is *O*(*n* log *n*). This function is also known as + /// "kth element" in other libraries. + /// + /// It returns a triplet of the following from /// the slice reordered according to the provided comparator function: the subslice prior to /// `index`, the element at `index`, and the subslice after `index`; accordingly, the values in /// those two subslices will respectively all be less-than-or-equal-to and greater-than-or-equal-to @@ -2829,8 +2834,11 @@ impl<T> [T] { /// This reordering has the additional property that any value at position `i < index` will be /// less than or equal to any value at a position `j > index` using the key extraction function. /// Additionally, this reordering is unstable (i.e. any number of equal elements may end up at - /// position `index`), in-place (i.e. does not allocate), and *O*(*n*) worst-case. This function - /// is also known as "kth element" in other libraries. It returns a triplet of the following from + /// position `index`), in-place (i.e. does not allocate), and *O*(*n*) on average. + /// The worst-case performance is *O*(*n* log *n*). + /// This function is also known as "kth element" in other libraries. + /// + /// It returns a triplet of the following from /// the slice reordered according to the provided key extraction function: the subslice prior to /// `index`, the element at `index`, and the subslice after `index`; accordingly, the values in /// those two subslices will respectively all be less-than-or-equal-to and greater-than-or-equal-to diff --git a/library/core/src/slice/sort.rs b/library/core/src/slice/sort.rs index 4ca4eb86bde..7b8062c431e 100644 --- a/library/core/src/slice/sort.rs +++ b/library/core/src/slice/sort.rs @@ -673,19 +673,23 @@ where fn break_patterns<T>(v: &mut [T]) { let len = v.len(); if len >= 8 { - // Pseudorandom number generator from the "Xorshift RNGs" paper by George Marsaglia. - let mut random = len as u32; - let mut gen_u32 = || { - random ^= random << 13; - random ^= random >> 17; - random ^= random << 5; - random - }; + let mut seed = len; let mut gen_usize = || { + // Pseudorandom number generator from the "Xorshift RNGs" paper by George Marsaglia. if usize::BITS <= 32 { - gen_u32() as usize + let mut r = seed as u32; + r ^= r << 13; + r ^= r >> 17; + r ^= r << 5; + seed = r as usize; + seed } else { - (((gen_u32() as u64) << 32) | (gen_u32() as u64)) as usize + let mut r = seed as u64; + r ^= r << 13; + r ^= r >> 7; + r ^= r << 17; + seed = r as usize; + seed } }; diff --git a/library/core/src/sync/atomic.rs b/library/core/src/sync/atomic.rs index 1d14efc7523..00bcaf3e18c 100644 --- a/library/core/src/sync/atomic.rs +++ b/library/core/src/sync/atomic.rs @@ -922,13 +922,13 @@ impl AtomicBool { /// /// let mut atomic = AtomicBool::new(true); /// unsafe { - /// my_atomic_op(atomic.as_mut_ptr()); + /// my_atomic_op(atomic.as_ptr()); /// } /// # } /// ``` #[inline] #[unstable(feature = "atomic_mut_ptr", reason = "recently added", issue = "66893")] - pub const fn as_mut_ptr(&self) -> *mut bool { + pub const fn as_ptr(&self) -> *mut bool { self.v.get().cast() } @@ -1814,12 +1814,12 @@ impl<T> AtomicPtr<T> { /// /// // SAFETY: Safe as long as `my_atomic_op` is atomic. /// unsafe { - /// my_atomic_op(atomic.as_mut_ptr()); + /// my_atomic_op(atomic.as_ptr()); /// } /// ``` #[inline] #[unstable(feature = "atomic_mut_ptr", reason = "recently added", issue = "66893")] - pub const fn as_mut_ptr(&self) -> *mut *mut T { + pub const fn as_ptr(&self) -> *mut *mut T { self.p.get() } } @@ -2719,7 +2719,7 @@ macro_rules! atomic_int { /// /// // SAFETY: Safe as long as `my_atomic_op` is atomic. /// unsafe { - /// my_atomic_op(atomic.as_mut_ptr()); + /// my_atomic_op(atomic.as_ptr()); /// } /// # } /// ``` @@ -2727,7 +2727,7 @@ macro_rules! atomic_int { #[unstable(feature = "atomic_mut_ptr", reason = "recently added", issue = "66893")] - pub const fn as_mut_ptr(&self) -> *mut $int_type { + pub const fn as_ptr(&self) -> *mut $int_type { self.v.get() } } diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs index e35145c4ade..203c490fa29 100644 --- a/library/std/src/keyword_docs.rs +++ b/library/std/src/keyword_docs.rs @@ -1568,7 +1568,7 @@ mod static_keyword {} /// /// # Style conventions /// -/// Structs are always written in CamelCase, with few exceptions. While the trailing comma on a +/// Structs are always written in UpperCamelCase, with few exceptions. While the trailing comma on a /// struct's list of fields can be omitted, it's usually kept for convenience in adding and /// removing fields down the line. /// diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index b0db3112e22..e59f32af77d 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -95,13 +95,16 @@ impl Default for Hook { static HOOK: RwLock<Hook> = RwLock::new(Hook::Default); -/// Registers a custom panic hook, replacing any that was previously registered. +/// Registers a custom panic hook, replacing the previously registered hook. /// /// The panic hook is invoked when a thread panics, but before the panic runtime /// is invoked. As such, the hook will run with both the aborting and unwinding -/// runtimes. The default hook prints a message to standard error and generates -/// a backtrace if requested, but this behavior can be customized with the -/// `set_hook` and [`take_hook`] functions. +/// runtimes. +/// +/// The default hook, which is registered at startup, prints a message to standard error and +/// generates a backtrace if requested. This behavior can be customized using the `set_hook` function. +/// The current hook can be retrieved while reinstating the default hook with the [`take_hook`] +/// function. /// /// [`take_hook`]: ./fn.take_hook.html /// @@ -143,13 +146,14 @@ pub fn set_hook(hook: Box<dyn Fn(&PanicInfo<'_>) + 'static + Sync + Send>) { drop(old); } -/// Unregisters the current panic hook, returning it. +/// Unregisters the current panic hook and returns it, registering the default hook +/// in its place. /// /// *See also the function [`set_hook`].* /// /// [`set_hook`]: ./fn.set_hook.html /// -/// If no custom hook is registered, the default hook will be returned. +/// If the default hook is registered it will be returned, but remain registered. /// /// # Panics /// diff --git a/library/std/src/sync/lazy_lock.rs b/library/std/src/sync/lazy_lock.rs index 4a15305301d..7e85d6a063a 100644 --- a/library/std/src/sync/lazy_lock.rs +++ b/library/std/src/sync/lazy_lock.rs @@ -1,8 +1,21 @@ -use crate::cell::Cell; +use crate::cell::UnsafeCell; use crate::fmt; +use crate::mem::ManuallyDrop; use crate::ops::Deref; use crate::panic::{RefUnwindSafe, UnwindSafe}; -use crate::sync::OnceLock; +use crate::sync::Once; + +use super::once::ExclusiveState; + +// We use the state of a Once as discriminant value. Upon creation, the state is +// "incomplete" and `f` contains the initialization closure. In the first call to +// `call_once`, `f` is taken and run. If it succeeds, `value` is set and the state +// is changed to "complete". If it panics, the Once is poisoned, so none of the +// two fields is initialized. +union Data<T, F> { + value: ManuallyDrop<T>, + f: ManuallyDrop<F>, +} /// A value which is initialized on the first access. /// @@ -43,16 +56,17 @@ use crate::sync::OnceLock; /// ``` #[unstable(feature = "once_cell", issue = "74465")] pub struct LazyLock<T, F = fn() -> T> { - cell: OnceLock<T>, - init: Cell<Option<F>>, + once: Once, + data: UnsafeCell<Data<T, F>>, } + impl<T, F: FnOnce() -> T> LazyLock<T, F> { /// Creates a new lazy value with the given initializing /// function. #[inline] #[unstable(feature = "once_cell", issue = "74465")] pub const fn new(f: F) -> LazyLock<T, F> { - LazyLock { cell: OnceLock::new(), init: Cell::new(Some(f)) } + LazyLock { once: Once::new(), data: UnsafeCell::new(Data { f: ManuallyDrop::new(f) }) } } /// Forces the evaluation of this lazy value and @@ -74,10 +88,50 @@ impl<T, F: FnOnce() -> T> LazyLock<T, F> { #[inline] #[unstable(feature = "once_cell", issue = "74465")] pub fn force(this: &LazyLock<T, F>) -> &T { - this.cell.get_or_init(|| match this.init.take() { - Some(f) => f(), - None => panic!("Lazy instance has previously been poisoned"), - }) + this.once.call_once(|| { + // SAFETY: `call_once` only runs this closure once, ever. + let data = unsafe { &mut *this.data.get() }; + let f = unsafe { ManuallyDrop::take(&mut data.f) }; + let value = f(); + data.value = ManuallyDrop::new(value); + }); + + // SAFETY: + // There are four possible scenarios: + // * the closure was called and initialized `value`. + // * the closure was called and panicked, so this point is never reached. + // * the closure was not called, but a previous call initialized `value`. + // * the closure was not called because the Once is poisoned, so this point + // is never reached. + // So `value` has definitely been initialized and will not be modified again. + unsafe { &*(*this.data.get()).value } + } +} + +impl<T, F> LazyLock<T, F> { + /// Get the inner value if it has already been initialized. + fn get(&self) -> Option<&T> { + if self.once.is_completed() { + // SAFETY: + // The closure has been run successfully, so `value` has been initialized + // and will not be modified again. + Some(unsafe { &*(*self.data.get()).value }) + } else { + None + } + } +} + +#[unstable(feature = "once_cell", issue = "74465")] +impl<T, F> Drop for LazyLock<T, F> { + fn drop(&mut self) { + match self.once.state() { + ExclusiveState::Incomplete => unsafe { ManuallyDrop::drop(&mut self.data.get_mut().f) }, + ExclusiveState::Complete => unsafe { + ManuallyDrop::drop(&mut self.data.get_mut().value) + }, + ExclusiveState::Poisoned => {} + } } } @@ -103,23 +157,23 @@ impl<T: Default> Default for LazyLock<T> { #[unstable(feature = "once_cell", issue = "74465")] impl<T: fmt::Debug, F> fmt::Debug for LazyLock<T, F> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Lazy").field("cell", &self.cell).finish_non_exhaustive() + match self.get() { + Some(v) => f.debug_tuple("LazyLock").field(v).finish(), + None => f.write_str("LazyLock(Uninit)"), + } } } // We never create a `&F` from a `&LazyLock<T, F>` so it is fine // to not impl `Sync` for `F` -// we do create a `&mut Option<F>` in `force`, but this is -// properly synchronized, so it only happens once -// so it also does not contribute to this impl. #[unstable(feature = "once_cell", issue = "74465")] -unsafe impl<T, F: Send> Sync for LazyLock<T, F> where OnceLock<T>: Sync {} +unsafe impl<T: Sync + Send, F: Send> Sync for LazyLock<T, F> {} // auto-derived `Send` impl is OK. #[unstable(feature = "once_cell", issue = "74465")] -impl<T, F: UnwindSafe> RefUnwindSafe for LazyLock<T, F> where OnceLock<T>: RefUnwindSafe {} +impl<T: RefUnwindSafe + UnwindSafe, F: UnwindSafe> RefUnwindSafe for LazyLock<T, F> {} #[unstable(feature = "once_cell", issue = "74465")] -impl<T, F: UnwindSafe> UnwindSafe for LazyLock<T, F> where OnceLock<T>: UnwindSafe {} +impl<T: UnwindSafe, F: UnwindSafe> UnwindSafe for LazyLock<T, F> {} #[cfg(test)] mod tests; diff --git a/library/std/src/sync/mod.rs b/library/std/src/sync/mod.rs index ba20bab87a4..4edc956173b 100644 --- a/library/std/src/sync/mod.rs +++ b/library/std/src/sync/mod.rs @@ -186,7 +186,7 @@ mod condvar; mod lazy_lock; mod mpmc; mod mutex; -mod once; +pub(crate) mod once; mod once_lock; mod poison; mod remutex; diff --git a/library/std/src/sync/once.rs b/library/std/src/sync/once.rs index 0f25417d6b5..1b17c31089f 100644 --- a/library/std/src/sync/once.rs +++ b/library/std/src/sync/once.rs @@ -43,6 +43,12 @@ pub struct OnceState { pub(crate) inner: sys::OnceState, } +pub(crate) enum ExclusiveState { + Incomplete, + Poisoned, + Complete, +} + /// Initialization value for static [`Once`] values. /// /// # Examples @@ -248,6 +254,16 @@ impl Once { pub fn is_completed(&self) -> bool { self.inner.is_completed() } + + /// Returns the current state of the `Once` instance. + /// + /// Since this takes a mutable reference, no initialization can currently + /// be running, so the state must be either "incomplete", "poisoned" or + /// "complete". + #[inline] + pub(crate) fn state(&mut self) -> ExclusiveState { + self.inner.state() + } } #[stable(feature = "std_debug", since = "1.16.0")] diff --git a/library/std/src/sys/unix/fd.rs b/library/std/src/sys/unix/fd.rs index dbaa3c33e2e..66c33d58d6c 100644 --- a/library/std/src/sys/unix/fd.rs +++ b/library/std/src/sys/unix/fd.rs @@ -197,11 +197,6 @@ impl FileDesc { } } - #[cfg(target_os = "linux")] - pub fn get_cloexec(&self) -> io::Result<bool> { - unsafe { Ok((cvt(libc::fcntl(self.as_raw_fd(), libc::F_GETFD))? & libc::FD_CLOEXEC) != 0) } - } - #[cfg(not(any( target_env = "newlib", target_os = "solaris", @@ -284,6 +279,10 @@ impl<'a> Read for &'a FileDesc { fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> { (**self).read(buf) } + + fn read_buf(&mut self, cursor: BorrowedCursor<'_>) -> io::Result<()> { + (**self).read_buf(cursor) + } } impl AsInner<OwnedFd> for FileDesc { diff --git a/library/std/src/sys/unsupported/once.rs b/library/std/src/sys/unsupported/once.rs index b4bb4975f41..11fde1888ba 100644 --- a/library/std/src/sys/unsupported/once.rs +++ b/library/std/src/sys/unsupported/once.rs @@ -1,5 +1,6 @@ use crate::cell::Cell; use crate::sync as public; +use crate::sync::once::ExclusiveState; pub struct Once { state: Cell<State>, @@ -44,6 +45,16 @@ impl Once { self.state.get() == State::Complete } + #[inline] + pub(crate) fn state(&mut self) -> ExclusiveState { + match self.state.get() { + State::Incomplete => ExclusiveState::Incomplete, + State::Poisoned => ExclusiveState::Poisoned, + State::Complete => ExclusiveState::Complete, + _ => unreachable!("invalid Once state"), + } + } + #[cold] #[track_caller] pub fn call(&self, ignore_poisoning: bool, f: &mut impl FnMut(&public::OnceState)) { diff --git a/library/std/src/sys/windows/args.rs b/library/std/src/sys/windows/args.rs index 6741ae46d32..30356fa8519 100644 --- a/library/std/src/sys/windows/args.rs +++ b/library/std/src/sys/windows/args.rs @@ -270,7 +270,7 @@ pub(crate) fn make_bat_command_line( // It is necessary to surround the command in an extra pair of quotes, // hence the trailing quote here. It will be closed after all arguments // have been added. - let mut cmd: Vec<u16> = "cmd.exe /c \"".encode_utf16().collect(); + let mut cmd: Vec<u16> = "cmd.exe /d /c \"".encode_utf16().collect(); // Push the script name surrounded by its quote pair. cmd.push(b'"' as u16); @@ -290,6 +290,15 @@ pub(crate) fn make_bat_command_line( // reconstructed by the batch script by default. for arg in args { cmd.push(' ' as u16); + // Make sure to always quote special command prompt characters, including: + // * Characters `cmd /?` says require quotes. + // * `%` for environment variables, as in `%TMP%`. + // * `|<>` pipe/redirect characters. + const SPECIAL: &[u8] = b"\t &()[]{}^=;!'+,`~%|<>"; + let force_quotes = match arg { + Arg::Regular(arg) if !force_quotes => arg.bytes().iter().any(|c| SPECIAL.contains(c)), + _ => force_quotes, + }; append_arg(&mut cmd, arg, force_quotes)?; } diff --git a/library/std/src/sys/windows/c.rs b/library/std/src/sys/windows/c.rs index f58dcf1287b..1d0ab772739 100644 --- a/library/std/src/sys/windows/c.rs +++ b/library/std/src/sys/windows/c.rs @@ -539,14 +539,6 @@ pub struct SYMBOLIC_LINK_REPARSE_BUFFER { pub PathBuffer: WCHAR, } -/// NB: Use carefully! In general using this as a reference is likely to get the -/// provenance wrong for the `PathBuffer` field! -#[repr(C)] -pub struct FILE_NAME_INFO { - pub FileNameLength: DWORD, - pub FileName: [WCHAR; 1], -} - #[repr(C)] pub struct MOUNT_POINT_REPARSE_BUFFER { pub SubstituteNameOffset: c_ushort, diff --git a/library/std/src/sys/windows/io.rs b/library/std/src/sys/windows/io.rs index 2cc34c986b9..7fdd1f702e2 100644 --- a/library/std/src/sys/windows/io.rs +++ b/library/std/src/sys/windows/io.rs @@ -2,8 +2,7 @@ use crate::marker::PhantomData; use crate::mem::size_of; use crate::os::windows::io::{AsHandle, AsRawHandle, BorrowedHandle}; use crate::slice; -use crate::sys::{c, Align8}; -use core; +use crate::sys::c; use libc; #[derive(Copy, Clone)] @@ -125,22 +124,33 @@ unsafe fn msys_tty_on(handle: c::HANDLE) -> bool { return false; } - const SIZE: usize = size_of::<c::FILE_NAME_INFO>() + c::MAX_PATH * size_of::<c::WCHAR>(); - let mut name_info_bytes = Align8([0u8; SIZE]); + /// Mirrors [`FILE_NAME_INFO`], giving it a fixed length that we can stack + /// allocate + /// + /// [`FILE_NAME_INFO`]: https://learn.microsoft.com/en-us/windows/win32/api/winbase/ns-winbase-file_name_info + #[repr(C)] + #[allow(non_snake_case)] + struct FILE_NAME_INFO { + FileNameLength: u32, + FileName: [u16; c::MAX_PATH as usize], + } + let mut name_info = FILE_NAME_INFO { FileNameLength: 0, FileName: [0; c::MAX_PATH as usize] }; + // Safety: buffer length is fixed. let res = c::GetFileInformationByHandleEx( handle, c::FileNameInfo, - name_info_bytes.0.as_mut_ptr() as *mut libc::c_void, - SIZE as u32, + &mut name_info as *mut _ as *mut libc::c_void, + size_of::<FILE_NAME_INFO>() as u32, ); if res == 0 { return false; } - let name_info: &c::FILE_NAME_INFO = &*(name_info_bytes.0.as_ptr() as *const c::FILE_NAME_INFO); - let name_len = name_info.FileNameLength as usize / 2; - // Offset to get the `FileName` field. - let name_ptr = name_info_bytes.0.as_ptr().offset(size_of::<c::DWORD>() as isize).cast::<u16>(); - let s = core::slice::from_raw_parts(name_ptr, name_len); + + // Use `get` because `FileNameLength` can be out of range. + let s = match name_info.FileName.get(..name_info.FileNameLength as usize / 2) { + None => return false, + Some(s) => s, + }; let name = String::from_utf16_lossy(s); // Get the file name only. let name = name.rsplit('\\').next().unwrap_or(&name); diff --git a/library/std/src/sys_common/once/futex.rs b/library/std/src/sys_common/once/futex.rs index 5c7e6c01371..42db5fad4b4 100644 --- a/library/std/src/sys_common/once/futex.rs +++ b/library/std/src/sys_common/once/futex.rs @@ -4,6 +4,7 @@ use crate::sync::atomic::{ AtomicU32, Ordering::{Acquire, Relaxed, Release}, }; +use crate::sync::once::ExclusiveState; use crate::sys::futex::{futex_wait, futex_wake_all}; // On some platforms, the OS is very nice and handles the waiter queue for us. @@ -78,6 +79,16 @@ impl Once { self.state.load(Acquire) == COMPLETE } + #[inline] + pub(crate) fn state(&mut self) -> ExclusiveState { + match *self.state.get_mut() { + INCOMPLETE => ExclusiveState::Incomplete, + POISONED => ExclusiveState::Poisoned, + COMPLETE => ExclusiveState::Complete, + _ => unreachable!("invalid Once state"), + } + } + // This uses FnMut to match the API of the generic implementation. As this // implementation is quite light-weight, it is generic over the closure and // so avoids the cost of dynamic dispatch. diff --git a/library/std/src/sys_common/once/queue.rs b/library/std/src/sys_common/once/queue.rs index d953a674592..def0bcd6fac 100644 --- a/library/std/src/sys_common/once/queue.rs +++ b/library/std/src/sys_common/once/queue.rs @@ -60,6 +60,7 @@ use crate::fmt; use crate::ptr; use crate::sync as public; use crate::sync::atomic::{AtomicBool, AtomicPtr, Ordering}; +use crate::sync::once::ExclusiveState; use crate::thread::{self, Thread}; type Masked = (); @@ -121,6 +122,16 @@ impl Once { self.state_and_queue.load(Ordering::Acquire).addr() == COMPLETE } + #[inline] + pub(crate) fn state(&mut self) -> ExclusiveState { + match self.state_and_queue.get_mut().addr() { + INCOMPLETE => ExclusiveState::Incomplete, + POISONED => ExclusiveState::Poisoned, + COMPLETE => ExclusiveState::Complete, + _ => unreachable!("invalid Once state"), + } + } + // This is a non-generic function to reduce the monomorphization cost of // using `call_once` (this isn't exactly a trivial or small implementation). // diff --git a/library/std/src/sys_common/thread_parking/id.rs b/library/std/src/sys_common/thread_parking/id.rs index e98169597c3..575988ec760 100644 --- a/library/std/src/sys_common/thread_parking/id.rs +++ b/library/std/src/sys_common/thread_parking/id.rs @@ -60,7 +60,7 @@ impl Parker { if state == PARKED { // Loop to guard against spurious wakeups. while state == PARKED { - park(self.state.as_mut_ptr().addr()); + park(self.state.as_ptr().addr()); state = self.state.load(Acquire); } @@ -76,7 +76,7 @@ impl Parker { let state = self.state.fetch_sub(1, Acquire).wrapping_sub(1); if state == PARKED { - park_timeout(dur, self.state.as_mut_ptr().addr()); + park_timeout(dur, self.state.as_ptr().addr()); // Swap to ensure that we observe all state changes with acquire // ordering, even if the state has been changed after the timeout // occured. @@ -99,7 +99,7 @@ impl Parker { // and terminated before this call is made. This call then returns an // error or wakes up an unrelated thread. The platform API and // environment does allow this, however. - unpark(tid, self.state.as_mut_ptr().addr()); + unpark(tid, self.state.as_ptr().addr()); } } } diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 692ff0cbca6..489af776798 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -124,8 +124,10 @@ //! //! ## Stack size //! -//! The default stack size is platform-dependent and subject to change. Currently it is 2MB on all -//! Tier-1 platforms. There are two ways to manually specify the stack size for spawned threads: +//! The default stack size is platform-dependent and subject to change. +//! Currently, it is 2 MiB on all Tier-1 platforms. +//! +//! There are two ways to manually specify the stack size for spawned threads: //! //! * Build the thread with [`Builder`] and pass the desired stack size to [`Builder::stack_size`]. //! * Set the `RUST_MIN_STACK` environment variable to an integer representing the desired stack diff --git a/library/std/src/time.rs b/library/std/src/time.rs index acf9c29083f..5c2e9da70fb 100644 --- a/library/std/src/time.rs +++ b/library/std/src/time.rs @@ -352,7 +352,7 @@ impl Instant { self.checked_duration_since(earlier).unwrap_or_default() } - /// Returns the amount of time elapsed since this instant was created. + /// Returns the amount of time elapsed since this instant. /// /// # Panics /// @@ -525,8 +525,8 @@ impl SystemTime { self.0.sub_time(&earlier.0).map_err(SystemTimeError) } - /// Returns the difference between the clock time when this - /// system time was created, and the current clock time. + /// Returns the difference from this system time to the + /// current clock time. /// /// This function may fail as the underlying system clock is susceptible to /// drift and updates (e.g., the system clock could go backwards), so this diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 07c0d2233ca..348d22a9ce6 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -111,10 +111,18 @@ impl Step for Std { let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target); if compiler_to_use != compiler { builder.ensure(Std::new(compiler_to_use, target)); - builder.info(&format!( - "Uplifting stage1 library ({} -> {})", - compiler_to_use.host, target - )); + let msg = if compiler_to_use.host == target { + format!( + "Uplifting library (stage{} -> stage{})", + compiler_to_use.stage, compiler.stage + ) + } else { + format!( + "Uplifting library (stage{}:{} -> stage{}:{})", + compiler_to_use.stage, compiler_to_use.host, compiler.stage, target + ) + }; + builder.info(&msg); // Even if we're not building std this stage, the new sysroot must // still contain the third party objects needed by various targets. @@ -134,13 +142,23 @@ impl Step for Std { cargo.arg("-p").arg(krate); } - builder.info(&format!( - "Building{} stage{} library artifacts ({} -> {})", - crate_description(&self.crates), - compiler.stage, - &compiler.host, - target, - )); + let msg = if compiler.host == target { + format!( + "Building{} stage{} library artifacts ({}) ", + crate_description(&self.crates), + compiler.stage, + compiler.host + ) + } else { + format!( + "Building{} stage{} library artifacts ({} -> {})", + crate_description(&self.crates), + compiler.stage, + compiler.host, + target, + ) + }; + builder.info(&msg); run_cargo( builder, cargo, @@ -438,10 +456,6 @@ impl Step for StdLink { let compiler = self.compiler; let target_compiler = self.target_compiler; let target = self.target; - builder.info(&format!( - "Copying stage{} library from stage{} ({} -> {} / {})", - target_compiler.stage, compiler.stage, &compiler.host, target_compiler.host, target - )); let libdir = builder.sysroot_libdir(target_compiler, target); let hostdir = builder.sysroot_libdir(target_compiler, compiler.host); add_to_sysroot(builder, &libdir, &hostdir, &libstd_stamp(builder, compiler, target)); @@ -467,7 +481,12 @@ fn copy_sanitizers( let dst = libdir.join(&runtime.name); builder.copy(&runtime.path, &dst); - if target == "x86_64-apple-darwin" || target == "aarch64-apple-darwin" { + if target == "x86_64-apple-darwin" + || target == "aarch64-apple-darwin" + || target == "aarch64-apple-ios" + || target == "aarch64-apple-ios-sim" + || target == "x86_64-apple-ios" + { // Update the library’s install name to reflect that it has been renamed. apple_darwin_update_library_name(&dst, &format!("@rpath/{}", &runtime.name)); // Upon renaming the install name, the code signature of the file will invalidate, @@ -644,8 +663,22 @@ impl Step for Rustc { let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target); if compiler_to_use != compiler { builder.ensure(Rustc::new(compiler_to_use, target)); - builder - .info(&format!("Uplifting stage1 rustc ({} -> {})", builder.config.build, target)); + let msg = if compiler_to_use.host == target { + format!( + "Uplifting rustc (stage{} -> stage{})", + compiler_to_use.stage, + compiler.stage + 1 + ) + } else { + format!( + "Uplifting rustc (stage{}:{} -> stage{}:{})", + compiler_to_use.stage, + compiler_to_use.host, + compiler.stage + 1, + target + ) + }; + builder.info(&msg); builder.ensure(RustcLink::from_rustc(self, compiler_to_use)); return; } @@ -739,13 +772,24 @@ impl Step for Rustc { cargo.arg("-p").arg(krate); } - builder.info(&format!( - "Building{} stage{} compiler artifacts ({} -> {})", - crate_description(&self.crates), - compiler.stage, - &compiler.host, - target, - )); + let msg = if compiler.host == target { + format!( + "Building{} compiler artifacts (stage{} -> stage{})", + crate_description(&self.crates), + compiler.stage, + compiler.stage + 1 + ) + } else { + format!( + "Building{} compiler artifacts (stage{}:{} -> stage{}:{})", + crate_description(&self.crates), + compiler.stage, + compiler.host, + compiler.stage + 1, + target, + ) + }; + builder.info(&msg); run_cargo( builder, cargo, @@ -929,10 +973,6 @@ impl Step for RustcLink { let compiler = self.compiler; let target_compiler = self.target_compiler; let target = self.target; - builder.info(&format!( - "Copying stage{} rustc from stage{} ({} -> {} / {})", - target_compiler.stage, compiler.stage, &compiler.host, target_compiler.host, target - )); add_to_sysroot( builder, &builder.sysroot_libdir(target_compiler, target), @@ -1006,10 +1046,15 @@ impl Step for CodegenBackend { let tmp_stamp = out_dir.join(".tmp.stamp"); - builder.info(&format!( - "Building stage{} codegen backend {} ({} -> {})", - compiler.stage, backend, &compiler.host, target - )); + let msg = if compiler.host == target { + format!("Building stage{} codegen backend {}", compiler.stage, backend) + } else { + format!( + "Building stage{} codegen backend {} ({} -> {})", + compiler.stage, backend, compiler.host, target + ) + }; + builder.info(&msg); let files = run_cargo(builder, cargo, vec![], &tmp_stamp, vec![], false, false); if builder.config.dry_run() { return; @@ -1315,7 +1360,12 @@ impl Step for Assemble { let stage = target_compiler.stage; let host = target_compiler.host; - builder.info(&format!("Assembling stage{} compiler ({})", stage, host)); + let msg = if build_compiler.host == host { + format!("Assembling stage{} compiler", stage) + } else { + format!("Assembling stage{} compiler ({})", stage, host) + }; + builder.info(&msg); // Link in all dylibs to the libdir let stamp = librustc_stamp(builder, build_compiler, target_compiler.host); diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index cd027a4abb7..56f96734bbb 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -1315,15 +1315,6 @@ impl Config { } else { RustfmtState::Unavailable }; - } else { - // If using a system toolchain for bootstrapping, see if that has rustfmt available. - let host = config.build; - let rustfmt_path = config.initial_rustc.with_file_name(exe("rustfmt", host)); - let bin_root = config.out.join(host.triple).join("stage0"); - if !rustfmt_path.starts_with(&bin_root) { - // Using a system-provided toolchain; we shouldn't download rustfmt. - *config.initial_rustfmt.borrow_mut() = RustfmtState::SystemToolchain(rustfmt_path); - } } // Now that we've reached the end of our configuration, infer the diff --git a/src/bootstrap/download.rs b/src/bootstrap/download.rs index d6592d2d771..d1e2149d3f9 100644 --- a/src/bootstrap/download.rs +++ b/src/bootstrap/download.rs @@ -2,7 +2,7 @@ use std::{ env, ffi::{OsStr, OsString}, fs::{self, File}, - io::{self, BufRead, BufReader, ErrorKind}, + io::{BufRead, BufReader, ErrorKind}, path::{Path, PathBuf}, process::{Command, Stdio}, }; @@ -26,14 +26,6 @@ impl Config { self.verbose > 0 } - pub fn symlink_file<P: AsRef<Path>, Q: AsRef<Path>>(&self, src: P, link: Q) -> io::Result<()> { - #[cfg(unix)] - use std::os::unix::fs::symlink as symlink_file; - #[cfg(windows)] - use std::os::windows::fs::symlink_file; - if !self.dry_run() { symlink_file(src.as_ref(), link.as_ref()) } else { Ok(()) } - } - pub(crate) fn create(&self, path: &Path, s: &str) { if self.dry_run() { return; @@ -338,15 +330,6 @@ impl Config { let bin_root = self.out.join(host.triple).join("rustfmt"); let rustfmt_path = bin_root.join("bin").join(exe("rustfmt", host)); let rustfmt_stamp = bin_root.join(".rustfmt-stamp"); - - #[cfg(not(windows))] - { - let legacy_rustfmt = self.initial_rustc.with_file_name(exe("rustfmt", host)); - if !legacy_rustfmt.exists() { - t!(self.symlink_file(&rustfmt_path, &legacy_rustfmt)); - } - } - if rustfmt_path.exists() && !program_out_of_date(&rustfmt_stamp, &channel) { return Some(rustfmt_path); } diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index f753720b353..f4abdf1cc57 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -20,6 +20,7 @@ use std::cell::{Cell, RefCell}; use std::collections::{HashMap, HashSet}; use std::env; use std::fs::{self, File}; +use std::io; use std::io::ErrorKind; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; @@ -1406,7 +1407,7 @@ impl Build { src = t!(fs::canonicalize(src)); } else { let link = t!(fs::read_link(src)); - t!(self.config.symlink_file(link, dst)); + t!(self.symlink_file(link, dst)); return; } } @@ -1524,6 +1525,14 @@ impl Build { iter.map(|e| t!(e)).collect::<Vec<_>>().into_iter() } + fn symlink_file<P: AsRef<Path>, Q: AsRef<Path>>(&self, src: P, link: Q) -> io::Result<()> { + #[cfg(unix)] + use std::os::unix::fs::symlink as symlink_file; + #[cfg(windows)] + use std::os::windows::fs::symlink_file; + if !self.config.dry_run() { symlink_file(src.as_ref(), link.as_ref()) } else { Ok(()) } + } + /// Returns if config.ninja is enabled, and checks for ninja existence, /// exiting with a nicer error message if not. fn ninja(&self) -> bool { diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 9235de75ec6..21157b02a78 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -483,7 +483,7 @@ impl Step for Llvm { cfg.define("LLVM_VERSION_SUFFIX", suffix); } - configure_cmake(builder, target, &mut cfg, true, ldflags); + configure_cmake(builder, target, &mut cfg, true, ldflags, &[]); configure_llvm(builder, target, &mut cfg); for (key, val) in &builder.config.llvm_build_config { @@ -516,7 +516,7 @@ impl Step for Llvm { let lib_llvm = out_dir.join("build").join("lib").join(lib_name); if !lib_llvm.exists() { - t!(builder.build.config.symlink_file("libLLVM.dylib", &lib_llvm)); + t!(builder.symlink_file("libLLVM.dylib", &lib_llvm)); } } @@ -574,6 +574,7 @@ fn configure_cmake( cfg: &mut cmake::Config, use_compiler_launcher: bool, mut ldflags: LdFlags, + extra_compiler_flags: &[&str], ) { // Do not print installation messages for up-to-date files. // LLVM and LLD builds can produce a lot of those and hit CI limits on log size. @@ -714,6 +715,9 @@ fn configure_cmake( if builder.config.llvm_clang_cl.is_some() { cflags.push(&format!(" --target={}", target)); } + for flag in extra_compiler_flags { + cflags.push(&format!(" {}", flag)); + } cfg.define("CMAKE_C_FLAGS", cflags); let mut cxxflags: OsString = builder.cflags(target, GitRepo::Llvm, CLang::Cxx).join(" ").into(); if let Some(ref s) = builder.config.llvm_cxxflags { @@ -723,6 +727,9 @@ fn configure_cmake( if builder.config.llvm_clang_cl.is_some() { cxxflags.push(&format!(" --target={}", target)); } + for flag in extra_compiler_flags { + cxxflags.push(&format!(" {}", flag)); + } cfg.define("CMAKE_CXX_FLAGS", cxxflags); if let Some(ar) = builder.ar(target) { if ar.is_absolute() { @@ -864,7 +871,7 @@ impl Step for Lld { } } - configure_cmake(builder, target, &mut cfg, true, ldflags); + configure_cmake(builder, target, &mut cfg, true, ldflags, &[]); configure_llvm(builder, target, &mut cfg); // Re-use the same flags as llvm to control the level of debug information @@ -1028,7 +1035,16 @@ impl Step for Sanitizers { // Unfortunately sccache currently lacks support to build them successfully. // Disable compiler launcher on Darwin targets to avoid potential issues. let use_compiler_launcher = !self.target.contains("apple-darwin"); - configure_cmake(builder, self.target, &mut cfg, use_compiler_launcher, LdFlags::default()); + let extra_compiler_flags: &[&str] = + if self.target.contains("apple") { &["-fembed-bitcode=off"] } else { &[] }; + configure_cmake( + builder, + self.target, + &mut cfg, + use_compiler_launcher, + LdFlags::default(), + extra_compiler_flags, + ); t!(fs::create_dir_all(&out_dir)); cfg.out_dir(out_dir); @@ -1084,12 +1100,15 @@ fn supported_sanitizers( match &*target.triple { "aarch64-apple-darwin" => darwin_libs("osx", &["asan", "lsan", "tsan"]), + "aarch64-apple-ios" => darwin_libs("ios", &["asan", "tsan"]), + "aarch64-apple-ios-sim" => darwin_libs("iossim", &["asan", "tsan"]), "aarch64-unknown-fuchsia" => common_libs("fuchsia", "aarch64", &["asan"]), "aarch64-unknown-linux-gnu" => { common_libs("linux", "aarch64", &["asan", "lsan", "msan", "tsan", "hwasan"]) } "x86_64-apple-darwin" => darwin_libs("osx", &["asan", "lsan", "tsan"]), "x86_64-unknown-fuchsia" => common_libs("fuchsia", "x86_64", &["asan"]), + "x86_64-apple-ios" => darwin_libs("iossim", &["asan", "tsan"]), "x86_64-unknown-freebsd" => common_libs("freebsd", "x86_64", &["asan", "msan", "tsan"]), "x86_64-unknown-netbsd" => { common_libs("netbsd", "x86_64", &["asan", "lsan", "msan", "tsan"]) diff --git a/src/bootstrap/setup.rs b/src/bootstrap/setup.rs index 2b613ad50ee..a027139df23 100644 --- a/src/bootstrap/setup.rs +++ b/src/bootstrap/setup.rs @@ -29,6 +29,7 @@ pub enum Profile { static SETTINGS_HASHES: &[&str] = &[ "ea67e259dedf60d4429b6c349a564ffcd1563cf41c920a856d1f5b16b4701ac8", "56e7bf011c71c5d81e0bf42e84938111847a810eee69d906bba494ea90b51922", + "af1b5efe196aed007577899db9dae15d6dbc923d6fa42fa0934e68617ba9bbe0", ]; static VSCODE_SETTINGS: &str = include_str!("../etc/vscode_settings.json"); diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs index 9cd6107b43a..b4f1506dc8f 100644 --- a/src/bootstrap/test.rs +++ b/src/bootstrap/test.rs @@ -435,6 +435,10 @@ impl Step for Rustfmt { &[], ); + if !builder.fail_fast { + cargo.arg("--no-fail-fast"); + } + let dir = testdir(builder, compiler.host); t!(fs::create_dir_all(&dir)); cargo.env("RUSTFMT_TEST_DIR", dir); @@ -615,6 +619,10 @@ impl Step for Miri { ); cargo.add_rustc_lib_path(builder, compiler); + if !builder.fail_fast { + cargo.arg("--no-fail-fast"); + } + // miri tests need to know about the stage sysroot cargo.env("MIRI_SYSROOT", &miri_sysroot); cargo.env("MIRI_HOST_SYSROOT", sysroot); @@ -746,6 +754,10 @@ impl Step for Clippy { &[], ); + if !builder.fail_fast { + cargo.arg("--no-fail-fast"); + } + cargo.env("RUSTC_TEST_SUITE", builder.rustc(compiler)); cargo.env("RUSTC_LIB_PATH", builder.rustc_libdir(compiler)); let host_libs = builder.stage_out(compiler, Mode::ToolRustc).join(builder.cargo_dir()); diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs index ca5f500f93b..3c9a154da9a 100644 --- a/src/bootstrap/tool.rs +++ b/src/bootstrap/tool.rs @@ -33,6 +33,44 @@ struct ToolBuild { allow_features: &'static str, } +fn tooling_output( + mode: Mode, + tool: &str, + build_stage: u32, + host: &TargetSelection, + target: &TargetSelection, +) -> String { + match mode { + // depends on compiler stage, different to host compiler + Mode::ToolRustc => { + if host == target { + format!("Building tool {} (stage{} -> stage{})", tool, build_stage, build_stage + 1) + } else { + format!( + "Building tool {} (stage{}:{} -> stage{}:{})", + tool, + build_stage, + host, + build_stage + 1, + target + ) + } + } + // doesn't depend on compiler, same as host compiler + Mode::ToolStd => { + if host == target { + format!("Building tool {} (stage{})", tool, build_stage) + } else { + format!( + "Building tool {} (stage{}:{} -> stage{}:{})", + tool, build_stage, host, build_stage, target + ) + } + } + _ => format!("Building tool {} (stage{})", tool, build_stage), + } +} + impl Step for ToolBuild { type Output = Option<PathBuf>; @@ -74,8 +112,14 @@ impl Step for ToolBuild { if !self.allow_features.is_empty() { cargo.allow_features(self.allow_features); } - - builder.info(&format!("Building stage{} tool {} ({})", compiler.stage, tool, target)); + let msg = tooling_output( + self.mode, + self.tool, + self.compiler.stage, + &self.compiler.host, + &self.target, + ); + builder.info(&msg); let mut duplicates = Vec::new(); let is_expected = compile::stream_cargo(builder, cargo, vec![], &mut |msg| { // Only care about big things like the RLS/Cargo for now @@ -551,7 +595,7 @@ impl Step for Rustdoc { features.push("jemalloc".to_string()); } - let cargo = prepare_tool_cargo( + let mut cargo = prepare_tool_cargo( builder, build_compiler, Mode::ToolRustc, @@ -562,10 +606,18 @@ impl Step for Rustdoc { features.as_slice(), ); - builder.info(&format!( - "Building rustdoc for stage{} ({})", - target_compiler.stage, target_compiler.host - )); + if builder.config.rustc_parallel { + cargo.rustflag("--cfg=parallel_compiler"); + } + + let msg = tooling_output( + Mode::ToolRustc, + "rustdoc", + build_compiler.stage, + &self.compiler.host, + &target, + ); + builder.info(&msg); builder.run(&mut cargo.into()); // Cargo adds a number of paths to the dylib search path on windows, which results in diff --git a/src/doc/unstable-book/src/compiler-flags/sanitizer.md b/src/doc/unstable-book/src/compiler-flags/sanitizer.md index 70c3a445b86..262cef3454a 100644 --- a/src/doc/unstable-book/src/compiler-flags/sanitizer.md +++ b/src/doc/unstable-book/src/compiler-flags/sanitizer.md @@ -531,6 +531,24 @@ LLVM KCFI is supported on the following targets: See the [Clang KernelControlFlowIntegrity documentation][clang-kcfi] for more details. +# KernelAddressSanitizer + +KernelAddressSanitizer (KASAN) is a freestanding version of AddressSanitizer +which is suitable for detecting memory errors in programs which do not have a +runtime environment, such as operating system kernels. KernelAddressSanitizer +requires manual implementation of the underlying functions used for tracking +KernelAddressSanitizer state. + +KernelAddressSanitizer is supported on the following targets: + +* `aarch64-unknown-none` +* `riscv64gc-unknown-none-elf` +* `riscv64imac-unknown-none-elf` +* `x86_64-unknown-none` + +See the [Linux Kernel's KernelAddressSanitizer documentation][linux-kasan] for +more details. + # LeakSanitizer LeakSanitizer is run-time memory leak detector. @@ -714,6 +732,7 @@ Sanitizers produce symbolized stacktraces when llvm-symbolizer binary is in `PAT * [AddressSanitizer in Clang][clang-asan] * [ControlFlowIntegrity in Clang][clang-cfi] * [HWAddressSanitizer in Clang][clang-hwasan] +* [Linux Kernel's KernelAddressSanitizer documentation][linux-kasan] * [LeakSanitizer in Clang][clang-lsan] * [MemorySanitizer in Clang][clang-msan] * [MemTagSanitizer in LLVM][llvm-memtag] @@ -727,4 +746,5 @@ Sanitizers produce symbolized stacktraces when llvm-symbolizer binary is in `PAT [clang-msan]: https://clang.llvm.org/docs/MemorySanitizer.html [clang-scs]: https://clang.llvm.org/docs/ShadowCallStack.html [clang-tsan]: https://clang.llvm.org/docs/ThreadSanitizer.html +[linux-kasan]: https://www.kernel.org/doc/html/latest/dev-tools/kasan.html [llvm-memtag]: https://llvm.org/docs/MemTagSanitizer.html diff --git a/src/etc/vscode_settings.json b/src/etc/vscode_settings.json index 04c34ce91c0..dd01bfaa725 100644 --- a/src/etc/vscode_settings.json +++ b/src/etc/vscode_settings.json @@ -1,7 +1,7 @@ { "rust-analyzer.check.invocationLocation": "root", "rust-analyzer.check.invocationStrategy": "once", - "rust-analyzer.checkOnSave.overrideCommand": [ + "rust-analyzer.check.overrideCommand": [ "python3", "x.py", "check", @@ -23,6 +23,6 @@ "check", "--json-output" ], - "rust-analyzer.cargo.sysroot": "./build/host/stage0-sysroot", + "rust-analyzer.cargo.sysrootSrc": "./library", "rust-analyzer.rustc.source": "./Cargo.toml" } diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml index 5e592227d49..c48f7998c5a 100644 --- a/src/librustdoc/Cargo.toml +++ b/src/librustdoc/Cargo.toml @@ -18,7 +18,6 @@ serde_json = "1.0" serde = { version = "1.0", features = ["derive"] } smallvec = "1.8.1" tempfile = "3" -thin-vec = "0.2.9" tracing = "0.1" tracing-tree = "0.2.0" diff --git a/src/librustdoc/clean/cfg/tests.rs b/src/librustdoc/clean/cfg/tests.rs index 81f67672436..bb62660e194 100644 --- a/src/librustdoc/clean/cfg/tests.rs +++ b/src/librustdoc/clean/cfg/tests.rs @@ -4,6 +4,7 @@ use rustc_ast::{LitKind, MetaItemLit, Path, StrStyle}; use rustc_span::create_default_session_globals_then; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_span::DUMMY_SP; +use thin_vec::thin_vec; fn word_cfg(s: &str) -> Cfg { Cfg::Cfg(Symbol::intern(s), None) @@ -34,7 +35,7 @@ macro_rules! dummy_meta_item_list { ($name:ident, [$($list:ident),* $(,)?]) => { MetaItem { path: Path::from_ident(Ident::from_str(stringify!($name))), - kind: MetaItemKind::List(vec![ + kind: MetaItemKind::List(thin_vec![ $( NestedMetaItem::MetaItem( dummy_meta_item_word(stringify!($list)), @@ -48,7 +49,7 @@ macro_rules! dummy_meta_item_list { ($name:ident, [$($list:expr),* $(,)?]) => { MetaItem { path: Path::from_ident(Ident::from_str(stringify!($name))), - kind: MetaItemKind::List(vec![ + kind: MetaItemKind::List(thin_vec![ $( NestedMetaItem::MetaItem($list), )* diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 0c70d31ed60..648423e1289 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -22,9 +22,9 @@ use rustc_hir::PredicateOrigin; use rustc_hir_analysis::hir_ty_to_ty; use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData}; use rustc_middle::middle::resolve_bound_vars as rbv; -use rustc_middle::ty::fold::ir::TypeFolder; +use rustc_middle::ty::fold::TypeFolder; use rustc_middle::ty::InternalSubsts; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, AdtKind, DefIdTree, EarlyBinder, Ty, TyCtxt}; use rustc_middle::{bug, span_bug}; use rustc_span::hygiene::{AstPass, MacroKind}; @@ -77,7 +77,7 @@ pub(crate) fn clean_doc_module<'tcx>(doc: &DocModule<'tcx>, cx: &mut DocContext< // This covers the case where somebody does an import which should pull in an item, // but there's already an item with the same namespace and same name. Rust gives // priority to the not-imported one, so we should, too. - items.extend(doc.items.iter().flat_map(|(item, renamed, import_id)| { + items.extend(doc.items.values().flat_map(|(item, renamed, import_id)| { // First, lower everything other than imports. if matches!(item.kind, hir::ItemKind::Use(_, hir::UseKind::Glob)) { return Vec::new(); @@ -90,7 +90,7 @@ pub(crate) fn clean_doc_module<'tcx>(doc: &DocModule<'tcx>, cx: &mut DocContext< } v })); - items.extend(doc.items.iter().flat_map(|(item, renamed, _)| { + items.extend(doc.items.values().flat_map(|(item, renamed, _)| { // Now we actually lower the imports, skipping everything else. if let hir::ItemKind::Use(path, hir::UseKind::Glob) = item.kind { let name = renamed.unwrap_or_else(|| cx.tcx.hir().name(item.hir_id())); @@ -2114,17 +2114,29 @@ fn get_all_import_attributes<'hir>( attributes: &mut Vec<ast::Attribute>, is_inline: bool, ) { + let mut first = true; let hir_map = tcx.hir(); let mut visitor = OneLevelVisitor::new(hir_map, target_def_id); let mut visited = FxHashSet::default(); + // If the item is an import and has at least a path with two parts, we go into it. while let hir::ItemKind::Use(path, _) = item.kind && visited.insert(item.hir_id()) { - // We add the attributes from this import into the list. - add_without_unwanted_attributes(attributes, hir_map.attrs(item.hir_id()), is_inline); + if first { + // This is the "original" reexport so we get all its attributes without filtering them. + attributes.extend_from_slice(hir_map.attrs(item.hir_id())); + first = false; + } else { + add_without_unwanted_attributes(attributes, hir_map.attrs(item.hir_id()), is_inline); + } - let def_id = if path.segments.len() > 1 { - match path.segments[path.segments.len() - 2].res { + let def_id = if let [.., parent_segment, _] = &path.segments { + match parent_segment.res { hir::def::Res::Def(_, def_id) => def_id, + _ if parent_segment.ident.name == kw::Crate => { + // In case the "parent" is the crate, it'll give `Res::Err` so we need to + // circumvent it this way. + tcx.parent(item.owner_id.def_id.to_def_id()) + } _ => break, } } else { @@ -2341,9 +2353,7 @@ fn clean_maybe_renamed_item<'tcx>( if let Some(import_id) = import_id && let Some(hir::Node::Item(use_node)) = cx.tcx.hir().find_by_def_id(import_id) { - // First, we add the attributes from the current import. - extra_attrs.extend_from_slice(inline::load_attrs(cx, import_id.to_def_id())); - let is_inline = extra_attrs.lists(sym::doc).get_word_attr(sym::inline).is_some(); + let is_inline = inline::load_attrs(cx, import_id.to_def_id()).lists(sym::doc).get_word_attr(sym::inline).is_some(); // Then we get all the various imports' attributes. get_all_import_attributes(use_node, cx.tcx, item.owner_id.def_id, &mut extra_attrs, is_inline); add_without_unwanted_attributes(&mut extra_attrs, inline::load_attrs(cx, def_id), is_inline); diff --git a/src/librustdoc/clean/render_macro_matchers.rs b/src/librustdoc/clean/render_macro_matchers.rs index ed7683e36fd..ef38ca3c16c 100644 --- a/src/librustdoc/clean/render_macro_matchers.rs +++ b/src/librustdoc/clean/render_macro_matchers.rs @@ -63,7 +63,8 @@ fn snippet_equal_to_token(tcx: TyCtxt<'_>, matcher: &TokenTree) -> Option<String let snippet = source_map.span_to_snippet(span).ok()?; // Create a Parser. - let sess = ParseSess::new(FilePathMapping::empty()); + let sess = + ParseSess::new(rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), FilePathMapping::empty()); let file_name = source_map.span_to_filename(span); let mut parser = match rustc_parse::maybe_new_parser_from_source_str(&sess, file_name, snippet.clone()) { diff --git a/src/librustdoc/clean/utils.rs b/src/librustdoc/clean/utils.rs index 5a564c2ac1c..c9c1c2c458a 100644 --- a/src/librustdoc/clean/utils.rs +++ b/src/librustdoc/clean/utils.rs @@ -470,6 +470,12 @@ pub(crate) fn get_auto_trait_and_blanket_impls( cx: &mut DocContext<'_>, item_def_id: DefId, ) -> impl Iterator<Item = Item> { + // FIXME: To be removed once `parallel_compiler` bugs are fixed! + // More information in <https://github.com/rust-lang/rust/pull/106930>. + if cfg!(parallel_compiler) { + return vec![].into_iter().chain(vec![].into_iter()); + } + let auto_impls = cx .sess() .prof diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 5ab7056be44..fbfc58a436b 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -115,8 +115,10 @@ pub(crate) fn new_handler( diagnostic_width: Option<usize>, unstable_opts: &UnstableOptions, ) -> rustc_errors::Handler { - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); let emitter: Box<dyn Emitter + sync::Send> = match error_format { ErrorOutputType::HumanReadable(kind) => { let (short, color_config) = kind.unzip(); @@ -254,6 +256,7 @@ pub(crate) fn create_config( output_file: None, output_dir: None, file_loader: None, + locale_resources: rustc_driver::DEFAULT_LOCALE_RESOURCES, lint_caps, parse_sess_created: None, register_lints: Some(Box::new(crate::lint::register_lints)), diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 0eba81c7c1e..8a73d25d3f0 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -96,6 +96,7 @@ pub(crate) fn run(options: RustdocOptions) -> Result<(), ErrorGuaranteed> { output_file: None, output_dir: None, file_loader: None, + locale_resources: rustc_driver::DEFAULT_LOCALE_RESOURCES, lint_caps, parse_sess_created: None, register_lints: Some(Box::new(crate::lint::register_lints)), @@ -545,8 +546,10 @@ pub(crate) fn make_test( // Any errors in parsing should also appear when the doctest is compiled for real, so just // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); supports_color = EmitterWriter::stderr( ColorConfig::Auto, None, @@ -741,8 +744,10 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { // Any errors in parsing should also appear when the doctest is compiled for real, so just // send all the errors that librustc_ast emits directly into a `Sink` instead of stderr. let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); let emitter = EmitterWriter::new( Box::new(io::sink()), diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index 68bdd2bc531..8dbfaf4bbc9 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -287,6 +287,16 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> { } else { let last = self.cache.parent_stack.last().expect("parent_stack is empty 2"); let did = match &*last { + ParentStackItem::Impl { + // impl Trait for &T { fn method(self); } + // + // When generating a function index with the above shape, we want it + // associated with `T`, not with the primitive reference type. It should + // show up as `T::method`, rather than `reference::method`, in the search + // results page. + for_: clean::Type::BorrowedRef { type_, .. }, + .. + } => type_.def_id(&self.cache), ParentStackItem::Impl { for_, .. } => for_.def_id(&self.cache), ParentStackItem::Type(item_id) => item_id.as_def_id(), }; diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index aa406f30cbe..6bdd9db9bfa 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -775,7 +775,7 @@ pub(crate) fn link_tooltip(did: DefId, fragment: &Option<UrlFragment>, cx: &Cont let fqp = fqp.iter().map(|sym| sym.as_str()).join("::"); if let &Some(UrlFragment::Item(id)) = fragment { let name = cx.tcx().item_name(id); - let descr = cx.tcx().def_kind(id).descr(id); + let descr = cx.tcx().def_descr(id); format!("{descr} {fqp}::{name}") } else { format!("{shortty} {fqp}") diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index e4adee6ae4d..9ef0b501c08 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -29,12 +29,12 @@ use rustc_data_structures::fx::FxHashMap; use rustc_hir::def_id::DefId; use rustc_middle::ty::TyCtxt; pub(crate) use rustc_resolve::rustdoc::main_body_opts; +use rustc_resolve::rustdoc::may_be_doc_link; use rustc_span::edition::Edition; use rustc_span::{Span, Symbol}; use once_cell::sync::Lazy; use std::borrow::Cow; -use std::cell::RefCell; use std::collections::VecDeque; use std::default::Default; use std::fmt::Write; @@ -1226,14 +1226,12 @@ pub(crate) struct MarkdownLink { pub(crate) fn markdown_links<R>( md: &str, - filter_map: impl Fn(MarkdownLink) -> Option<R>, + preprocess_link: impl Fn(MarkdownLink) -> Option<R>, ) -> Vec<R> { if md.is_empty() { return vec![]; } - let links = RefCell::new(vec![]); - // FIXME: remove this function once pulldown_cmark can provide spans for link definitions. let locate = |s: &str, fallback: Range<usize>| unsafe { let s_start = s.as_ptr(); @@ -1265,46 +1263,23 @@ pub(crate) fn markdown_links<R>( } }; - let mut push = |link: BrokenLink<'_>| { - let span = span_for_link(&link.reference, link.span); - filter_map(MarkdownLink { - kind: LinkType::ShortcutUnknown, - link: link.reference.to_string(), - range: span, - }) - .map(|link| links.borrow_mut().push(link)); - None - }; - let p = Parser::new_with_broken_link_callback(md, main_body_opts(), Some(&mut push)) - .into_offset_iter(); - - // There's no need to thread an IdMap through to here because - // the IDs generated aren't going to be emitted anywhere. - let mut ids = IdMap::new(); - let iter = Footnotes::new(HeadingLinks::new(p, None, &mut ids, HeadingOffset::H1)); - - for ev in iter { - if let Event::Start(Tag::Link( - // `<>` links cannot be intra-doc links so we skip them. - kind @ (LinkType::Inline - | LinkType::Reference - | LinkType::ReferenceUnknown - | LinkType::Collapsed - | LinkType::CollapsedUnknown - | LinkType::Shortcut - | LinkType::ShortcutUnknown), - dest, - _, - )) = ev.0 - { - debug!("found link: {dest}"); - let span = span_for_link(&dest, ev.1); - filter_map(MarkdownLink { kind, link: dest.into_string(), range: span }) - .map(|link| links.borrow_mut().push(link)); + Parser::new_with_broken_link_callback( + md, + main_body_opts(), + Some(&mut |link: BrokenLink<'_>| Some((link.reference, "".into()))), + ) + .into_offset_iter() + .filter_map(|(event, span)| match event { + Event::Start(Tag::Link(link_type, dest, _)) if may_be_doc_link(link_type) => { + preprocess_link(MarkdownLink { + kind: link_type, + range: span_for_link(&dest, span), + link: dest.into_string(), + }) } - } - - links.into_inner() + _ => None, + }) + .collect() } #[derive(Debug)] diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index 387984a2b3b..2869a39613f 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -39,10 +39,10 @@ use crate::html::{highlight, static_files}; use askama::Template; use itertools::Itertools; -const ITEM_TABLE_OPEN: &str = "<div class=\"item-table\">"; -const ITEM_TABLE_CLOSE: &str = "</div>"; -const ITEM_TABLE_ROW_OPEN: &str = "<div class=\"item-row\">"; -const ITEM_TABLE_ROW_CLOSE: &str = "</div>"; +const ITEM_TABLE_OPEN: &str = "<ul class=\"item-table\">"; +const ITEM_TABLE_CLOSE: &str = "</ul>"; +const ITEM_TABLE_ROW_OPEN: &str = "<li>"; +const ITEM_TABLE_ROW_CLOSE: &str = "</li>"; // A component in a `use` path, like `string` in std::string::ToString struct PathComponent { @@ -338,14 +338,14 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items: match *src { Some(src) => write!( w, - "<div class=\"item-left\"><code>{}extern crate {} as {};", + "<div class=\"item-name\"><code>{}extern crate {} as {};", visibility_print_with_space(myitem.visibility(tcx), myitem.item_id, cx), anchor(myitem.item_id.expect_def_id(), src, cx), myitem.name.unwrap(), ), None => write!( w, - "<div class=\"item-left\"><code>{}extern crate {};", + "<div class=\"item-name\"><code>{}extern crate {};", visibility_print_with_space(myitem.visibility(tcx), myitem.item_id, cx), anchor(myitem.item_id.expect_def_id(), myitem.name.unwrap(), cx), ), @@ -384,11 +384,11 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items: let (stab_tags_before, stab_tags_after) = if stab_tags.is_empty() { ("", "") } else { - ("<div class=\"item-right docblock-short\">", "</div>") + ("<div class=\"desc docblock-short\">", "</div>") }; write!( w, - "<div class=\"item-left\"{id}>\ + "<div class=\"item-name\"{id}>\ <code>{vis}{imp}</code>\ </div>\ {stab_tags_before}{stab_tags}{stab_tags_after}", @@ -426,11 +426,11 @@ fn item_module(w: &mut Buffer, cx: &mut Context<'_>, item: &clean::Item, items: let (docs_before, docs_after) = if docs.is_empty() { ("", "") } else { - ("<div class=\"item-right docblock-short\">", "</div>") + ("<div class=\"desc docblock-short\">", "</div>") }; write!( w, - "<div class=\"item-left\">\ + "<div class=\"item-name\">\ <a class=\"{class}\" href=\"{href}\" title=\"{title}\">{name}</a>\ {visibility_emoji}\ {unsafety_flag}\ diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 476dd606680..d18b56eb19c 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -201,7 +201,7 @@ h1, h2, h3, h4, h5, h6, .mobile-topbar, .search-input, .search-results .result-name, -.item-left > a, +.item-name > a, .out-of-band, span.since, a.srclink, @@ -750,14 +750,16 @@ table, .item-table { display: table; + padding: 0; + margin: 0; } -.item-row { +.item-table > li { display: table-row; } -.item-left, .item-right { +.item-table > li > div { display: table-cell; } -.item-left { +.item-table > li > .item-name { padding-right: 1.25rem; } @@ -962,7 +964,7 @@ so that we can apply CSS-filters to change the arrow color in themes */ padding: 3px; margin-bottom: 5px; } -.item-left .stab { +.item-name .stab { margin-left: 0.3125em; } .stab { @@ -1695,7 +1697,7 @@ in storage.js } /* Display an alternating layout on tablets and phones */ - .item-table, .item-row, .item-left, .item-right, + .item-table, .item-row, .item-table > li, .item-table > li > div, .search-results > a, .search-results > a > div { display: block; } @@ -1704,7 +1706,7 @@ in storage.js .search-results > a { padding: 5px 0px; } - .search-results > a > div.desc, .item-right { + .search-results > a > div.desc, .item-table > li > div.desc { padding-left: 2em; } diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index bd95ec18650..d5e9010eb4e 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -38,7 +38,7 @@ impl JsonRenderer<'_> { Some(UrlFragment::UserWritten(_)) | None => *page_id, }; - (link.clone(), from_item_id(id.into(), self.tcx)) + (link.clone(), id_from_item_default(id.into(), self.tcx)) }) .collect(); let docs = item.attrs.collapsed_doc_value(); @@ -50,7 +50,8 @@ impl JsonRenderer<'_> { .collect(); let span = item.span(self.tcx); let visibility = item.visibility(self.tcx); - let clean::Item { name, attrs: _, kind: _, item_id, cfg: _, .. } = item; + let clean::Item { name, item_id, .. } = item; + let id = id_from_item(&item, self.tcx); let inner = match *item.kind { clean::KeywordItem => return None, clean::StrippedItem(ref inner) => { @@ -69,7 +70,7 @@ impl JsonRenderer<'_> { _ => from_clean_item(item, self.tcx), }; Some(Item { - id: from_item_id_with_name(item_id, self.tcx, name), + id, crate_id: item_id.krate().as_u32(), name: name.map(|sym| sym.to_string()), span: span.and_then(|span| self.convert_span(span)), @@ -107,7 +108,7 @@ impl JsonRenderer<'_> { Some(ty::Visibility::Public) => Visibility::Public, Some(ty::Visibility::Restricted(did)) if did.is_crate_root() => Visibility::Crate, Some(ty::Visibility::Restricted(did)) => Visibility::Restricted { - parent: from_item_id(did.into(), self.tcx), + parent: id_from_item_default(did.into(), self.tcx), path: self.tcx.def_path(did).to_string_no_crate_verbose(), }, } @@ -204,21 +205,42 @@ impl FromWithTcx<clean::TypeBindingKind> for TypeBindingKind { } } -/// It generates an ID as follows: -/// -/// `CRATE_ID:ITEM_ID[:NAME_ID]` (if there is no name, NAME_ID is not generated). -pub(crate) fn from_item_id(item_id: ItemId, tcx: TyCtxt<'_>) -> Id { - from_item_id_with_name(item_id, tcx, None) +#[inline] +pub(crate) fn id_from_item_default(item_id: ItemId, tcx: TyCtxt<'_>) -> Id { + id_from_item_inner(item_id, tcx, None, None) } -// FIXME: this function (and appending the name at the end of the ID) should be removed when -// reexports are not inlined anymore for json format. It should be done in #93518. -pub(crate) fn from_item_id_with_name(item_id: ItemId, tcx: TyCtxt<'_>, name: Option<Symbol>) -> Id { - struct DisplayDefId<'a>(DefId, TyCtxt<'a>, Option<Symbol>); +/// It generates an ID as follows: +/// +/// `CRATE_ID:ITEM_ID[:NAME_ID][-EXTRA]`: +/// * If there is no `name`, `NAME_ID` is not generated. +/// * If there is no `extra`, `EXTRA` is not generated. +/// +/// * `name` is the item's name if available (it's not for impl blocks for example). +/// * `extra` is used for reexports: it contains the ID of the reexported item. It is used to allow +/// to have items with the same name but different types to both appear in the generated JSON. +pub(crate) fn id_from_item_inner( + item_id: ItemId, + tcx: TyCtxt<'_>, + name: Option<Symbol>, + extra: Option<&Id>, +) -> Id { + struct DisplayDefId<'a, 'b>(DefId, TyCtxt<'a>, Option<&'b Id>, Option<Symbol>); - impl<'a> fmt::Display for DisplayDefId<'a> { + impl<'a, 'b> fmt::Display for DisplayDefId<'a, 'b> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let DisplayDefId(def_id, tcx, name) = self; + let DisplayDefId(def_id, tcx, extra, name) = self; + // We need this workaround because primitive types' DefId actually refers to + // their parent module, which isn't present in the output JSON items. So + // instead, we directly get the primitive symbol and convert it to u32 to + // generate the ID. + let s; + let extra = if let Some(e) = extra { + s = format!("-{}", e.0); + &s + } else { + "" + }; let name = match name { Some(name) => format!(":{}", name.as_u32()), None => { @@ -240,18 +262,33 @@ pub(crate) fn from_item_id_with_name(item_id: ItemId, tcx: TyCtxt<'_>, name: Opt } } }; - write!(f, "{}:{}{}", self.0.krate.as_u32(), u32::from(self.0.index), name) + write!(f, "{}:{}{name}{extra}", def_id.krate.as_u32(), u32::from(def_id.index)) } } match item_id { - ItemId::DefId(did) => Id(format!("{}", DisplayDefId(did, tcx, name))), - ItemId::Blanket { for_, impl_id } => { - Id(format!("b:{}-{}", DisplayDefId(impl_id, tcx, None), DisplayDefId(for_, tcx, name))) - } - ItemId::Auto { for_, trait_ } => { - Id(format!("a:{}-{}", DisplayDefId(trait_, tcx, None), DisplayDefId(for_, tcx, name))) + ItemId::DefId(did) => Id(format!("{}", DisplayDefId(did, tcx, extra, name))), + ItemId::Blanket { for_, impl_id } => Id(format!( + "b:{}-{}", + DisplayDefId(impl_id, tcx, None, None), + DisplayDefId(for_, tcx, extra, name) + )), + ItemId::Auto { for_, trait_ } => Id(format!( + "a:{}-{}", + DisplayDefId(trait_, tcx, None, None), + DisplayDefId(for_, tcx, extra, name) + )), + } +} + +pub(crate) fn id_from_item(item: &clean::Item, tcx: TyCtxt<'_>) -> Id { + match *item.kind { + clean::ItemKind::ImportItem(ref import) => { + let extra = + import.source.did.map(ItemId::from).map(|i| id_from_item_inner(i, tcx, None, None)); + id_from_item_inner(item.item_id, tcx, item.name, extra.as_ref()) } + _ => id_from_item_inner(item.item_id, tcx, item.name, None), } } @@ -525,7 +562,7 @@ impl FromWithTcx<clean::Path> for Path { fn from_tcx(path: clean::Path, tcx: TyCtxt<'_>) -> Path { Path { name: path.whole_name(), - id: from_item_id(path.def_id().into(), tcx), + id: id_from_item_default(path.def_id().into(), tcx), args: path.segments.last().map(|args| Box::new(args.clone().args.into_tcx(tcx))), } } @@ -702,7 +739,7 @@ impl FromWithTcx<clean::Import> for Import { Import { source: import.source.path.whole_name(), name, - id: import.source.did.map(ItemId::from).map(|i| from_item_id(i, tcx)), + id: import.source.did.map(ItemId::from).map(|i| id_from_item_default(i, tcx)), glob, } } @@ -791,7 +828,7 @@ fn ids(items: impl IntoIterator<Item = clean::Item>, tcx: TyCtxt<'_>) -> Vec<Id> items .into_iter() .filter(|x| !x.is_stripped() && !x.is_keyword()) - .map(|i| from_item_id_with_name(i.item_id, tcx, i.name)) + .map(|i| id_from_item(&i, tcx)) .collect() } @@ -801,12 +838,10 @@ fn ids_keeping_stripped( ) -> Vec<Option<Id>> { items .into_iter() - .map(|i| { - if !i.is_stripped() && !i.is_keyword() { - Some(from_item_id_with_name(i.item_id, tcx, i.name)) - } else { - None - } - }) + .map( + |i| { + if !i.is_stripped() && !i.is_keyword() { Some(id_from_item(&i, tcx)) } else { None } + }, + ) .collect() } diff --git a/src/librustdoc/json/mod.rs b/src/librustdoc/json/mod.rs index e3788fe57d0..08bceb59cfd 100644 --- a/src/librustdoc/json/mod.rs +++ b/src/librustdoc/json/mod.rs @@ -28,7 +28,7 @@ use crate::docfs::PathError; use crate::error::Error; use crate::formats::cache::Cache; use crate::formats::FormatRenderer; -use crate::json::conversions::{from_item_id, from_item_id_with_name, IntoWithTcx}; +use crate::json::conversions::{id_from_item, id_from_item_default, IntoWithTcx}; use crate::{clean, try_err}; #[derive(Clone)] @@ -58,7 +58,7 @@ impl<'tcx> JsonRenderer<'tcx> { .map(|i| { let item = &i.impl_item; self.item(item.clone()).unwrap(); - from_item_id_with_name(item.item_id, self.tcx, item.name) + id_from_item(&item, self.tcx) }) .collect() }) @@ -89,7 +89,7 @@ impl<'tcx> JsonRenderer<'tcx> { if item.item_id.is_local() || is_primitive_impl { self.item(item.clone()).unwrap(); - Some(from_item_id_with_name(item.item_id, self.tcx, item.name)) + Some(id_from_item(&item, self.tcx)) } else { None } @@ -150,7 +150,6 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { // Flatten items that recursively store other items item.kind.inner_items().for_each(|i| self.item(i.clone()).unwrap()); - let name = item.name; let item_id = item.item_id; if let Some(mut new_item) = self.convert_item(item) { let can_be_ignored = match new_item.inner { @@ -193,10 +192,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { | types::ItemEnum::Macro(_) | types::ItemEnum::ProcMacro(_) => false, }; - let removed = self - .index - .borrow_mut() - .insert(from_item_id_with_name(item_id, self.tcx, name), new_item.clone()); + let removed = self.index.borrow_mut().insert(new_item.id.clone(), new_item.clone()); // FIXME(adotinthevoid): Currently, the index is duplicated. This is a sanity check // to make sure the items are unique. The main place this happens is when an item, is @@ -207,6 +203,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { if !can_be_ignored { assert_eq!(old_item, new_item); } + trace!("replaced {:?}\nwith {:?}", old_item, new_item); } } @@ -246,7 +243,7 @@ impl<'tcx> FormatRenderer<'tcx> for JsonRenderer<'tcx> { .chain(&self.cache.external_paths) .map(|(&k, &(ref path, kind))| { ( - from_item_id(k.into(), self.tcx), + id_from_item_default(k.into(), self.tcx), types::ItemSummary { crate_id: k.krate.as_u32(), path: path.iter().map(|s| s.to_string()).collect(), diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 910a7190b58..4fcf0873600 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -20,6 +20,7 @@ #![allow(clippy::collapsible_if, clippy::collapsible_else_if)] #![allow(rustc::potential_query_instability)] +extern crate thin_vec; #[macro_use] extern crate tracing; diff --git a/src/librustdoc/lint.rs b/src/librustdoc/lint.rs index 3aad97bc296..6d289eb996d 100644 --- a/src/librustdoc/lint.rs +++ b/src/librustdoc/lint.rs @@ -194,7 +194,11 @@ pub(crate) fn register_lints(_sess: &Session, lint_store: &mut LintStore) { true, "rustdoc::all", Some("rustdoc"), - RUSTDOC_LINTS.iter().map(|&lint| LintId::of(lint)).collect(), + RUSTDOC_LINTS + .iter() + .filter(|lint| lint.feature_gate.is_none()) // only include stable lints + .map(|&lint| LintId::of(lint)) + .collect(), ); for lint in &*RUSTDOC_LINTS { let name = lint.name_lower(); diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index edad773b05e..920a3b22f25 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -689,12 +689,12 @@ fn resolve_associated_trait_item<'a>( .find_by_name_and_namespace(cx.tcx, Ident::with_dummy_span(item_name), ns, trait_) .map(|trait_assoc| { trait_assoc_to_impl_assoc_item(cx.tcx, impl_, trait_assoc.def_id) - .unwrap_or(trait_assoc) + .unwrap_or(*trait_assoc) }) }); // FIXME(#74563): warn about ambiguity debug!("the candidates were {:?}", candidates.clone().collect::<Vec<_>>()); - candidates.next().copied() + candidates.next() } /// Find the associated item in the impl `impl_id` that corresponds to the @@ -711,7 +711,7 @@ fn trait_assoc_to_impl_assoc_item<'tcx>( tcx: TyCtxt<'tcx>, impl_id: DefId, trait_assoc_id: DefId, -) -> Option<&'tcx ty::AssocItem> { +) -> Option<ty::AssocItem> { let trait_to_impl_assoc_map = tcx.impl_item_implementor_ids(impl_id); debug!(?trait_to_impl_assoc_map); let impl_assoc_id = *trait_to_impl_assoc_map.get(&trait_assoc_id)?; @@ -884,7 +884,8 @@ fn preprocess_link( let mut parts = stripped.split('#'); let link = parts.next().unwrap(); - if link.trim().is_empty() { + let link = link.trim(); + if link.is_empty() { // This is an anchor to an element of the current page, nothing to do in here! return None; } @@ -897,7 +898,7 @@ fn preprocess_link( // Parse and strip the disambiguator from the link, if present. let (disambiguator, path_str, link_text) = match Disambiguator::from_str(link) { Ok(Some((d, path, link_text))) => (Some(d), path.trim(), link_text.trim()), - Ok(None) => (None, link.trim(), link.trim()), + Ok(None) => (None, link, link), Err((err_msg, relative_range)) => { // Only report error if we would not have ignored this link. See issue #83859. if !should_ignore_link_with_disambiguators(link) { diff --git a/src/librustdoc/passes/lint/check_code_block_syntax.rs b/src/librustdoc/passes/lint/check_code_block_syntax.rs index 03be5e79971..26fbb03a43e 100644 --- a/src/librustdoc/passes/lint/check_code_block_syntax.rs +++ b/src/librustdoc/passes/lint/check_code_block_syntax.rs @@ -33,8 +33,10 @@ fn check_rust_syntax( code_block: RustCodeBlock, ) { let buffer = Lrc::new(Lock::new(Buffer::default())); - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); let emitter = BufferEmitter { buffer: Lrc::clone(&buffer), fallback_bundle }; let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); diff --git a/src/librustdoc/passes/strip_hidden.rs b/src/librustdoc/passes/strip_hidden.rs index 8c733ddefc0..890b3e8d67f 100644 --- a/src/librustdoc/passes/strip_hidden.rs +++ b/src/librustdoc/passes/strip_hidden.rs @@ -62,7 +62,7 @@ impl<'a, 'tcx> Stripper<'a, 'tcx> { /// In case `i` is a non-hidden impl block, then we special-case it by changing the value /// of `is_in_hidden_item` to `true` because the impl children inherit its visibility. - fn recurse_in_impl(&mut self, i: Item) -> Item { + fn recurse_in_impl_or_exported_macro(&mut self, i: Item) -> Item { let prev = mem::replace(&mut self.is_in_hidden_item, false); let ret = self.fold_item_recur(i); self.is_in_hidden_item = prev; @@ -73,9 +73,17 @@ impl<'a, 'tcx> Stripper<'a, 'tcx> { impl<'a, 'tcx> DocFolder for Stripper<'a, 'tcx> { fn fold_item(&mut self, i: Item) -> Option<Item> { let has_doc_hidden = i.attrs.lists(sym::doc).has_word(sym::hidden); - let is_impl = matches!(*i.kind, clean::ImplItem(..)); + let is_impl_or_exported_macro = match *i.kind { + clean::ImplItem(..) => true, + // If the macro has the `#[macro_export]` attribute, it means it's accessible at the + // crate level so it should be handled differently. + clean::MacroItem(..) => { + i.attrs.other_attrs.iter().any(|attr| attr.has_name(sym::macro_export)) + } + _ => false, + }; let mut is_hidden = has_doc_hidden; - if !is_impl { + if !is_impl_or_exported_macro { is_hidden = self.is_in_hidden_item || has_doc_hidden; if !is_hidden && i.inline_stmt_id.is_none() { // We don't need to check if it's coming from a reexport since the reexport itself was @@ -92,8 +100,8 @@ impl<'a, 'tcx> DocFolder for Stripper<'a, 'tcx> { if self.update_retained { self.retained.insert(i.item_id); } - return Some(if is_impl { - self.recurse_in_impl(i) + return Some(if is_impl_or_exported_macro { + self.recurse_in_impl_or_exported_macro(i) } else { self.set_is_in_hidden_item_and_fold(false, i) }); diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index 9c1e5f4a3cd..277201e4de9 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -1,7 +1,7 @@ //! The Rust AST Visitor. Extracts useful information and massages it into a form //! usable for `clean`. -use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::fx::{FxHashSet, FxIndexMap}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, DefIdMap, LocalDefId, LocalDefIdSet}; @@ -26,8 +26,12 @@ pub(crate) struct Module<'hir> { pub(crate) where_inner: Span, pub(crate) mods: Vec<Module<'hir>>, pub(crate) def_id: LocalDefId, - // (item, renamed, import_id) - pub(crate) items: Vec<(&'hir hir::Item<'hir>, Option<Symbol>, Option<LocalDefId>)>, + /// The key is the item `ItemId` and the value is: (item, renamed, import_id). + /// We use `FxIndexMap` to keep the insert order. + pub(crate) items: FxIndexMap< + (LocalDefId, Option<Symbol>), + (&'hir hir::Item<'hir>, Option<Symbol>, Option<LocalDefId>), + >, pub(crate) foreigns: Vec<(&'hir hir::ForeignItem<'hir>, Option<Symbol>)>, } @@ -38,7 +42,7 @@ impl Module<'_> { def_id, where_inner, mods: Vec::new(), - items: Vec::new(), + items: FxIndexMap::default(), foreigns: Vec::new(), } } @@ -136,7 +140,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { inserted.insert(def_id) { let item = self.cx.tcx.hir().expect_item(local_def_id); - top_level_module.items.push((item, None, None)); + top_level_module.items.insert((local_def_id, Some(item.ident.name)), (item, None, None)); } } @@ -294,7 +298,11 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { renamed: Option<Symbol>, parent_id: Option<LocalDefId>, ) { - self.modules.last_mut().unwrap().items.push((item, renamed, parent_id)) + self.modules + .last_mut() + .unwrap() + .items + .insert((item.owner_id.def_id, renamed), (item, renamed, parent_id)); } fn visit_item_inner( diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 39c13e67a5962466cc7253d41bc1099bbcb224c +Subproject 9d5b32f503fc099c4064298465add14d4bce11e diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs index b4543aa2544..ef46e23123b 100644 --- a/src/tools/clippy/clippy_lints/src/dereference.rs +++ b/src/tools/clippy/clippy_lints/src/dereference.rs @@ -27,7 +27,7 @@ use rustc_middle::mir::{Rvalue, StatementKind}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::{ self, Binder, BoundVariableKind, Clause, EarlyBinder, FnSig, GenericArgKind, List, ParamTy, PredicateKind, - ProjectionPredicate, Ty, TyCtxt, TypeVisitable, TypeckResults, + ProjectionPredicate, Ty, TyCtxt, TypeVisitableExt, TypeckResults, }; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::{symbol::sym, Span, Symbol}; diff --git a/src/tools/clippy/clippy_lints/src/doc.rs b/src/tools/clippy/clippy_lints/src/doc.rs index 0b31e20fc87..6fdb7de25cc 100644 --- a/src/tools/clippy/clippy_lints/src/doc.rs +++ b/src/tools/clippy/clippy_lints/src/doc.rs @@ -704,8 +704,10 @@ fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) { let filename = FileName::anon_source_code(&code); let sm = Lrc::new(SourceMap::new(FilePathMapping::empty())); - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false + ); let emitter = EmitterWriter::new( Box::new(io::sink()), None, diff --git a/src/tools/clippy/clippy_lints/src/eta_reduction.rs b/src/tools/clippy/clippy_lints/src/eta_reduction.rs index ddade65c515..b2071f4dcb1 100644 --- a/src/tools/clippy/clippy_lints/src/eta_reduction.rs +++ b/src/tools/clippy/clippy_lints/src/eta_reduction.rs @@ -11,7 +11,7 @@ use rustc_hir::{Closure, Expr, ExprKind, Param, PatKind, Unsafety}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow}; use rustc_middle::ty::binding::BindingMode; -use rustc_middle::ty::{self, EarlyBinder, SubstsRef, Ty, TypeVisitable}; +use rustc_middle::ty::{self, EarlyBinder, SubstsRef, Ty, TypeVisitableExt}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::symbol::sym; diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index 565c5b7af00..9011f0896a0 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -42,6 +42,7 @@ extern crate rustc_session; extern crate rustc_span; extern crate rustc_target; extern crate rustc_trait_selection; +extern crate thin_vec; #[macro_use] extern crate clippy_utils; diff --git a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs index 82d3b830d4f..8ddbacc3d7a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs +++ b/src/tools/clippy/clippy_lints/src/methods/needless_collect.rs @@ -173,7 +173,7 @@ fn is_contains_sig(cx: &LateContext<'_>, call_id: HirId, iter_expr: &Expr<'_>) - && let Some(iter_item) = cx.tcx .associated_items(iter_trait) .find_by_name_and_kind(cx.tcx, Ident::with_dummy_span(Symbol::intern("Item")), AssocKind::Type, iter_trait) - && let substs = cx.tcx.mk_substs([GenericArg::from(typeck.expr_ty_adjusted(iter_expr))].into_iter()) + && let substs = cx.tcx.intern_substs(&[GenericArg::from(typeck.expr_ty_adjusted(iter_expr))]) && let proj_ty = cx.tcx.mk_projection(iter_item.def_id, substs) && let Ok(item_ty) = cx.tcx.try_normalize_erasing_regions(cx.param_env, proj_ty) { diff --git a/src/tools/clippy/clippy_lints/src/mut_key.rs b/src/tools/clippy/clippy_lints/src/mut_key.rs index 3cc765108d7..5a533261cad 100644 --- a/src/tools/clippy/clippy_lints/src/mut_key.rs +++ b/src/tools/clippy/clippy_lints/src/mut_key.rs @@ -3,7 +3,7 @@ use clippy_utils::{def_path_def_ids, trait_ref_of_method}; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{Adt, Array, Ref, Slice, Tuple, Ty}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::def_id::LocalDefId; diff --git a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs index 996ea6ed723..da3b6fa9899 100644 --- a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs +++ b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs @@ -18,7 +18,7 @@ use rustc_hir_typeck::expr_use_visitor as euv; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; -use rustc_middle::ty::{self, TypeVisitable}; +use rustc_middle::ty::{self, TypeVisitableExt}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::def_id::LocalDefId; use rustc_span::symbol::kw; diff --git a/src/tools/clippy/clippy_lints/src/redundant_slicing.rs b/src/tools/clippy/clippy_lints/src/redundant_slicing.rs index 245a02ea26e..398329e455b 100644 --- a/src/tools/clippy/clippy_lints/src/redundant_slicing.rs +++ b/src/tools/clippy/clippy_lints/src/redundant_slicing.rs @@ -11,8 +11,6 @@ use rustc_middle::ty::adjustment::{Adjust, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::subst::GenericArg; use rustc_session::{declare_lint_pass, declare_tool_lint}; -use std::iter; - declare_clippy_lint! { /// ### What it does /// Checks for redundant slicing expressions which use the full range, and @@ -136,7 +134,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantSlicing { } else if let Some(target_id) = cx.tcx.lang_items().deref_target() { if let Ok(deref_ty) = cx.tcx.try_normalize_erasing_regions( cx.param_env, - cx.tcx.mk_projection(target_id, cx.tcx.mk_substs(iter::once(GenericArg::from(indexed_ty)))), + cx.tcx.mk_projection(target_id, cx.tcx.intern_substs(&[GenericArg::from(indexed_ty)])), ) { if deref_ty == expr_ty { let snip = snippet_with_context(cx, indexed.span, ctxt, "..", &mut app).0; diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_ptr_to_ref.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_ptr_to_ref.rs index 54ac04df1c1..6bdb9aa5a26 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_ptr_to_ref.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_ptr_to_ref.rs @@ -6,7 +6,7 @@ use clippy_utils::sugg; use rustc_errors::Applicability; use rustc_hir::{self as hir, Expr, GenericArg, Mutability, Path, TyKind}; use rustc_lint::LateContext; -use rustc_middle::ty::{self, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TypeVisitableExt}; /// Checks for `transmute_ptr_to_ref` lint. /// Returns `true` if it's triggered, otherwise returns `false`. diff --git a/src/tools/clippy/clippy_lints/src/transmute/useless_transmute.rs b/src/tools/clippy/clippy_lints/src/transmute/useless_transmute.rs index 871c3fadbba..56207fe767c 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/useless_transmute.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/useless_transmute.rs @@ -4,7 +4,7 @@ use clippy_utils::sugg; use rustc_errors::Applicability; use rustc_hir::Expr; use rustc_lint::LateContext; -use rustc_middle::ty::{self, Ty, TypeVisitable}; +use rustc_middle::ty::{self, Ty, TypeVisitableExt}; /// Checks for `useless_transmute` lint. /// Returns `true` if it's triggered, otherwise returns `false`. diff --git a/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs b/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs index f9b9a66b5fa..f7adc9d3555 100644 --- a/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs +++ b/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs @@ -5,7 +5,7 @@ use rustc_errors::Applicability; use rustc_hir::{self as hir, def_id::DefId, QPath, TyKind}; use rustc_hir_analysis::hir_ty_to_ty; use rustc_lint::LateContext; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_span::symbol::sym; use super::{utils, REDUNDANT_ALLOCATION}; diff --git a/src/tools/clippy/clippy_lints/src/types/vec_box.rs b/src/tools/clippy/clippy_lints/src/types/vec_box.rs index 7a3c7cd8a99..d3062f3d2e3 100644 --- a/src/tools/clippy/clippy_lints/src/types/vec_box.rs +++ b/src/tools/clippy/clippy_lints/src/types/vec_box.rs @@ -7,7 +7,7 @@ use rustc_hir::{self as hir, def_id::DefId, GenericArg, QPath, TyKind}; use rustc_hir_analysis::hir_ty_to_ty; use rustc_lint::LateContext; use rustc_middle::ty::layout::LayoutOf; -use rustc_middle::ty::TypeVisitable; +use rustc_middle::ty::TypeVisitableExt; use rustc_span::symbol::sym; use super::VEC_BOX; diff --git a/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs b/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs index 7355260ae4a..06d248204c1 100644 --- a/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs +++ b/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs @@ -12,9 +12,9 @@ use rustc_errors::Applicability; use rustc_lint::{EarlyContext, EarlyLintPass}; use rustc_session::{declare_tool_lint, impl_lint_pass}; use rustc_span::DUMMY_SP; - use std::cell::Cell; use std::mem; +use thin_vec::{thin_vec, ThinVec}; declare_clippy_lint! { /// ### What it does @@ -214,7 +214,7 @@ macro_rules! always_pat { /// Focus on `focus_idx` in `alternatives`, /// attempting to extend it with elements of the same constructor `C` /// in `alternatives[focus_idx + 1..]`. -fn transform_with_focus_on_idx(alternatives: &mut Vec<P<Pat>>, focus_idx: usize) -> bool { +fn transform_with_focus_on_idx(alternatives: &mut ThinVec<P<Pat>>, focus_idx: usize) -> bool { // Extract the kind; we'll need to make some changes in it. let mut focus_kind = mem::replace(&mut alternatives[focus_idx].kind, PatKind::Wild); // We'll focus on `alternatives[focus_idx]`, @@ -296,7 +296,7 @@ fn extend_with_struct_pat( fps1: &mut [ast::PatField], rest1: bool, start: usize, - alternatives: &mut Vec<P<Pat>>, + alternatives: &mut ThinVec<P<Pat>>, ) -> bool { (0..fps1.len()).any(|idx| { let pos_in_2 = Cell::new(None); // The element `k`. @@ -336,9 +336,9 @@ fn extend_with_struct_pat( fn extend_with_matching_product( targets: &mut [P<Pat>], start: usize, - alternatives: &mut Vec<P<Pat>>, + alternatives: &mut ThinVec<P<Pat>>, predicate: impl Fn(&PatKind, &[P<Pat>], usize) -> bool, - extract: impl Fn(PatKind) -> Vec<P<Pat>>, + extract: impl Fn(PatKind) -> ThinVec<P<Pat>>, ) -> bool { (0..targets.len()).any(|idx| { let tail_or = drain_matching( @@ -365,14 +365,14 @@ fn take_pat(from: &mut Pat) -> Pat { /// Extend `target` as an or-pattern with the alternatives /// in `tail_or` if there are any and return if there were. -fn extend_with_tail_or(target: &mut Pat, tail_or: Vec<P<Pat>>) -> bool { - fn extend(target: &mut Pat, mut tail_or: Vec<P<Pat>>) { +fn extend_with_tail_or(target: &mut Pat, tail_or: ThinVec<P<Pat>>) -> bool { + fn extend(target: &mut Pat, mut tail_or: ThinVec<P<Pat>>) { match target { // On an existing or-pattern in the target, append to it. Pat { kind: Or(ps), .. } => ps.append(&mut tail_or), // Otherwise convert the target to an or-pattern. target => { - let mut init_or = vec![P(take_pat(target))]; + let mut init_or = thin_vec![P(take_pat(target))]; init_or.append(&mut tail_or); target.kind = Or(init_or); }, @@ -391,26 +391,42 @@ fn extend_with_tail_or(target: &mut Pat, tail_or: Vec<P<Pat>>) -> bool { // Only elements beginning with `start` are considered for extraction. fn drain_matching( start: usize, - alternatives: &mut Vec<P<Pat>>, + alternatives: &mut ThinVec<P<Pat>>, predicate: impl Fn(&PatKind) -> bool, extract: impl Fn(PatKind) -> P<Pat>, -) -> Vec<P<Pat>> { - let mut tail_or = vec![]; +) -> ThinVec<P<Pat>> { + let mut tail_or = ThinVec::new(); let mut idx = 0; - for pat in alternatives.drain_filter(|p| { - // Check if we should extract, but only if `idx >= start`. + + // If `ThinVec` had the `drain_filter` method, this loop could be rewritten + // like so: + // + // for pat in alternatives.drain_filter(|p| { + // // Check if we should extract, but only if `idx >= start`. + // idx += 1; + // idx > start && predicate(&p.kind) + // }) { + // tail_or.push(extract(pat.into_inner().kind)); + // } + let mut i = 0; + while i < alternatives.len() { idx += 1; - idx > start && predicate(&p.kind) - }) { - tail_or.push(extract(pat.into_inner().kind)); + // Check if we should extract, but only if `idx >= start`. + if idx > start && predicate(&alternatives[i].kind) { + let pat = alternatives.remove(i); + tail_or.push(extract(pat.into_inner().kind)); + } else { + i += 1; + } } + tail_or } fn extend_with_matching( target: &mut Pat, start: usize, - alternatives: &mut Vec<P<Pat>>, + alternatives: &mut ThinVec<P<Pat>>, predicate: impl Fn(&PatKind) -> bool, extract: impl Fn(PatKind) -> P<Pat>, ) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs index 6cf2a955fd5..93e4b023c5c 100644 --- a/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs +++ b/src/tools/clippy/clippy_lints/src/zero_sized_map_values.rs @@ -5,7 +5,7 @@ use rustc_hir::{self as hir, HirId, ItemKind, Node}; use rustc_hir_analysis::hir_ty_to_ty; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::layout::LayoutOf as _; -use rustc_middle::ty::{Adt, Ty, TypeVisitable}; +use rustc_middle::ty::{Adt, Ty, TypeVisitableExt}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::sym; diff --git a/src/tools/clippy/clippy_utils/src/ast_utils.rs b/src/tools/clippy/clippy_utils/src/ast_utils.rs index 9d0263e93be..d82098523e3 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils.rs @@ -144,7 +144,8 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool { (_, Paren(r)) => eq_expr(l, r), (Err, Err) => true, (Box(l), Box(r)) | (Try(l), Try(r)) | (Await(l), Await(r)) => eq_expr(l, r), - (Array(l), Array(r)) | (Tup(l), Tup(r)) => over(l, r, |l, r| eq_expr(l, r)), + (Array(l), Array(r)) => over(l, r, |l, r| eq_expr(l, r)), + (Tup(l), Tup(r)) => over(l, r, |l, r| eq_expr(l, r)), (Repeat(le, ls), Repeat(re, rs)) => eq_expr(le, re) && eq_expr(&ls.value, &rs.value), (Call(lc, la), Call(rc, ra)) => eq_expr(lc, rc) && over(la, ra, |l, r| eq_expr(l, r)), ( diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index b2edd1bbfef..f02f8ecb43d 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -104,7 +104,7 @@ use rustc_middle::ty::fast_reject::SimplifiedType::{ PtrSimplifiedType, SliceSimplifiedType, StrSimplifiedType, UintSimplifiedType, }; use rustc_middle::ty::{ - layout::IntegerExt, BorrowKind, ClosureKind, DefIdTree, Ty, TyCtxt, TypeAndMut, TypeVisitable, UpvarCapture, + layout::IntegerExt, BorrowKind, ClosureKind, DefIdTree, Ty, TyCtxt, TypeAndMut, TypeVisitableExt, UpvarCapture, }; use rustc_middle::ty::{FloatTy, IntTy, UintTy}; use rustc_span::hygiene::{ExpnKind, MacroKind}; diff --git a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs index e9dc7351b58..920ce8e655b 100644 --- a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs +++ b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs @@ -4,7 +4,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_index::bit_set::{BitSet, HybridBitSet}; use rustc_lint::LateContext; use rustc_middle::mir::{self, visit::Visitor as _, Mutability}; -use rustc_middle::ty::{self, visit::ir::TypeVisitor, TyCtxt}; +use rustc_middle::ty::{self, visit::TypeVisitor, TyCtxt}; use rustc_mir_dataflow::{impls::MaybeStorageLive, Analysis, ResultsCursor}; use std::borrow::Cow; use std::ops::ControlFlow; diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index 2ed301fcc22..34b9bb5994e 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -17,8 +17,8 @@ use rustc_lint::LateContext; use rustc_middle::mir::interpret::{ConstValue, Scalar}; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocKind, Binder, BoundRegion, DefIdTree, FnSig, IntTy, List, ParamEnv, Predicate, - PredicateKind, Region, RegionKind, SubstsRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, ir::TypeVisitor, UintTy, - VariantDef, VariantDiscr, + PredicateKind, Region, RegionKind, SubstsRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor, UintTy, + VariantDef, VariantDiscr, TypeVisitableExt, }; use rustc_middle::ty::{GenericArg, GenericArgKind}; use rustc_span::symbol::Ident; @@ -847,7 +847,7 @@ pub fn for_each_top_level_late_bound_region<B>( ControlFlow::Continue(()) } } - fn visit_binder<T: TypeVisitable<'tcx>>(&mut self, t: &Binder<'tcx, T>) -> ControlFlow<Self::BreakTy> { + fn visit_binder<T: TypeVisitable<TyCtxt<'tcx>>>(&mut self, t: &Binder<'tcx, T>) -> ControlFlow<Self::BreakTy> { self.index += 1; let res = t.super_visit_with(self); self.index -= 1; diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index e45835efe74..9ac849aecf1 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -209,7 +209,10 @@ fn report_clippy_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) { // Separate the output with an empty line eprintln!(); - let fallback_bundle = rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false + ); let emitter = Box::new(rustc_errors::emitter::EmitterWriter::stderr( rustc_errors::ColorConfig::Auto, None, diff --git a/src/tools/clippy/tests/ui/missing_doc_impl.stderr b/src/tools/clippy/tests/ui/missing_doc_impl.stderr index f22fa19dbca..b410f56e167 100644 --- a/src/tools/clippy/tests/ui/missing_doc_impl.stderr +++ b/src/tools/clippy/tests/ui/missing_doc_impl.stderr @@ -51,13 +51,13 @@ LL | | fn foo_with_impl(&self) {} LL | | } | |_^ -error: missing documentation for an associated function +error: missing documentation for a method --> $DIR/missing_doc_impl.rs:44:5 | LL | fn foo(&self); | ^^^^^^^^^^^^^^ -error: missing documentation for an associated function +error: missing documentation for a method --> $DIR/missing_doc_impl.rs:45:5 | LL | fn foo_with_impl(&self) {} diff --git a/src/tools/compiletest/Cargo.toml b/src/tools/compiletest/Cargo.toml index deed6fbd439..0db043a4fca 100644 --- a/src/tools/compiletest/Cargo.toml +++ b/src/tools/compiletest/Cargo.toml @@ -16,7 +16,7 @@ regex = "1.0" serde = { version = "1.0", features = ["derive"] } serde_json = "1.0" rustfix = "0.6.0" -lazy_static = "1.0" +once_cell = "1.16.0" walkdir = "2" glob = "0.3.0" lazycell = "1.3.0" @@ -25,5 +25,5 @@ lazycell = "1.3.0" libc = "0.2" [target.'cfg(windows)'.dependencies] -miow = "0.3" +miow = "0.5" winapi = { version = "0.3", features = ["winerror"] } diff --git a/src/tools/compiletest/src/errors.rs b/src/tools/compiletest/src/errors.rs index 054235ec16d..c33e66e02ac 100644 --- a/src/tools/compiletest/src/errors.rs +++ b/src/tools/compiletest/src/errors.rs @@ -7,7 +7,7 @@ use std::io::BufReader; use std::path::Path; use std::str::FromStr; -use lazy_static::lazy_static; +use once_cell::sync::Lazy; use regex::Regex; use tracing::*; @@ -117,10 +117,8 @@ fn parse_expected( // //~^^^^^ // //[cfg1]~ // //[cfg1,cfg2]~^^ - lazy_static! { - static ref RE: Regex = - Regex::new(r"//(?:\[(?P<cfgs>[\w,]+)])?~(?P<adjust>\||\^*)").unwrap(); - } + static RE: Lazy<Regex> = + Lazy::new(|| Regex::new(r"//(?:\[(?P<cfgs>[\w,]+)])?~(?P<adjust>\||\^*)").unwrap()); let captures = RE.captures(line)?; diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index e11ebca6ea9..d9b39927ca4 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -935,6 +935,7 @@ pub fn make_test_description<R: Read>( let has_asan = util::ASAN_SUPPORTED_TARGETS.contains(&&*config.target); let has_cfi = util::CFI_SUPPORTED_TARGETS.contains(&&*config.target); let has_kcfi = util::KCFI_SUPPORTED_TARGETS.contains(&&*config.target); + let has_kasan = util::KASAN_SUPPORTED_TARGETS.contains(&&*config.target); let has_lsan = util::LSAN_SUPPORTED_TARGETS.contains(&&*config.target); let has_msan = util::MSAN_SUPPORTED_TARGETS.contains(&&*config.target); let has_tsan = util::TSAN_SUPPORTED_TARGETS.contains(&&*config.target); @@ -1010,6 +1011,7 @@ pub fn make_test_description<R: Read>( reason!(!has_asan && config.parse_name_directive(ln, "needs-sanitizer-address")); reason!(!has_cfi && config.parse_name_directive(ln, "needs-sanitizer-cfi")); reason!(!has_kcfi && config.parse_name_directive(ln, "needs-sanitizer-kcfi")); + reason!(!has_kasan && config.parse_name_directive(ln, "needs-sanitizer-kasan")); reason!(!has_lsan && config.parse_name_directive(ln, "needs-sanitizer-leak")); reason!(!has_msan && config.parse_name_directive(ln, "needs-sanitizer-memory")); reason!(!has_tsan && config.parse_name_directive(ln, "needs-sanitizer-thread")); diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index c648b2f12f1..1760c29ec66 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -588,7 +588,8 @@ fn modified_tests(config: &Config, dir: &Path) -> Result<Vec<PathBuf>, String> { let full_paths = { let mut full_paths: Vec<PathBuf> = all_paths .into_iter() - .map(|f| fs::canonicalize(&f).unwrap().with_extension("").with_extension("rs")) + .map(|f| PathBuf::from(f).with_extension("").with_extension("rs")) + .filter_map(|f| if Path::new(&f).exists() { f.canonicalize().ok() } else { None }) .collect(); full_paths.dedup(); full_paths.sort_unstable(); diff --git a/src/tools/compiletest/src/runtest.rs b/src/tools/compiletest/src/runtest.rs index 51c9a27c83d..7824ef81d7a 100644 --- a/src/tools/compiletest/src/runtest.rs +++ b/src/tools/compiletest/src/runtest.rs @@ -32,7 +32,7 @@ use std::process::{Child, Command, ExitStatus, Output, Stdio}; use std::str; use glob::glob; -use lazy_static::lazy_static; +use once_cell::sync::Lazy; use tracing::*; use crate::extract_gdb_version; @@ -52,9 +52,8 @@ fn disable_error_reporting<F: FnOnce() -> R, R>(f: F) -> R { use winapi::um::errhandlingapi::SetErrorMode; use winapi::um::winbase::SEM_NOGPFAULTERRORBOX; - lazy_static! { - static ref LOCK: Mutex<()> = Mutex::new(()); - } + static LOCK: Mutex<()> = Mutex::new(()); + // Error mode is a global variable, so lock it so only one thread will change it let _lock = LOCK.lock().unwrap(); @@ -2848,11 +2847,10 @@ impl<'test> TestCx<'test> { // the form <crate-name1>.<crate-disambiguator1>-in-<crate-name2>.<crate-disambiguator2>, // remove all crate-disambiguators. fn remove_crate_disambiguator_from_cgu(cgu: &str) -> String { - lazy_static! { - static ref RE: Regex = - Regex::new(r"^[^\.]+(?P<d1>\.[[:alnum:]]+)(-in-[^\.]+(?P<d2>\.[[:alnum:]]+))?") - .unwrap(); - } + static RE: Lazy<Regex> = Lazy::new(|| { + Regex::new(r"^[^\.]+(?P<d1>\.[[:alnum:]]+)(-in-[^\.]+(?P<d2>\.[[:alnum:]]+))?") + .unwrap() + }); let captures = RE.captures(cgu).unwrap_or_else(|| panic!("invalid cgu name encountered: {}", cgu)); @@ -3170,12 +3168,12 @@ impl<'test> TestCx<'test> { // 'uploaded "$TEST_BUILD_DIR/<test_executable>, waiting for result"' // is printed to stdout by the client and then captured in the ProcRes, // so it needs to be removed when comparing the run-pass test execution output - lazy_static! { - static ref REMOTE_TEST_RE: Regex = Regex::new( + static REMOTE_TEST_RE: Lazy<Regex> = Lazy::new(|| { + Regex::new( "^uploaded \"\\$TEST_BUILD_DIR(/[[:alnum:]_\\-.]+)+\", waiting for result\n" ) - .unwrap(); - } + .unwrap() + }); REMOTE_TEST_RE .replace( &self.normalize_output(&proc_res.stdout, &self.props.normalize_stdout), @@ -3620,10 +3618,8 @@ impl<'test> TestCx<'test> { // with placeholders as we do not want tests needing updated when compiler source code // changes. // eg. $SRC_DIR/libcore/mem.rs:323:14 becomes $SRC_DIR/libcore/mem.rs:LL:COL - lazy_static! { - static ref SRC_DIR_RE: Regex = - Regex::new("SRC_DIR(.+):\\d+:\\d+(: \\d+:\\d+)?").unwrap(); - } + static SRC_DIR_RE: Lazy<Regex> = + Lazy::new(|| Regex::new("SRC_DIR(.+):\\d+:\\d+(: \\d+:\\d+)?").unwrap()); normalized = SRC_DIR_RE.replace_all(&normalized, "SRC_DIR$1:LL:COL").into_owned(); @@ -3634,19 +3630,17 @@ impl<'test> TestCx<'test> { // since they duplicate actual errors and make the output hard to read. // This mirrors the regex in src/tools/tidy/src/style.rs, please update // both if either are changed. - lazy_static! { - static ref ANNOTATION_RE: Regex = Regex::new("\\s*//(\\[.*\\])?~.*").unwrap(); - } + static ANNOTATION_RE: Lazy<Regex> = + Lazy::new(|| Regex::new("\\s*//(\\[.*\\])?~.*").unwrap()); normalized = ANNOTATION_RE.replace_all(&normalized, "").into_owned(); // This code normalizes various hashes in v0 symbol mangling that is // emitted in the ui and mir-opt tests. - lazy_static! { - static ref V0_CRATE_HASH_PREFIX_RE: Regex = - Regex::new(r"_R.*?Cs[0-9a-zA-Z]+_").unwrap(); - static ref V0_CRATE_HASH_RE: Regex = Regex::new(r"Cs[0-9a-zA-Z]+_").unwrap(); - } + static V0_CRATE_HASH_PREFIX_RE: Lazy<Regex> = + Lazy::new(|| Regex::new(r"_R.*?Cs[0-9a-zA-Z]+_").unwrap()); + static V0_CRATE_HASH_RE: Lazy<Regex> = + Lazy::new(|| Regex::new(r"Cs[0-9a-zA-Z]+_").unwrap()); const V0_CRATE_HASH_PLACEHOLDER: &str = r"CsCRATE_HASH_"; if V0_CRATE_HASH_PREFIX_RE.is_match(&normalized) { @@ -3655,10 +3649,9 @@ impl<'test> TestCx<'test> { V0_CRATE_HASH_RE.replace_all(&normalized, V0_CRATE_HASH_PLACEHOLDER).into_owned(); } - lazy_static! { - static ref V0_BACK_REF_PREFIX_RE: Regex = Regex::new(r"\(_R.*?B[0-9a-zA-Z]_").unwrap(); - static ref V0_BACK_REF_RE: Regex = Regex::new(r"B[0-9a-zA-Z]_").unwrap(); - } + static V0_BACK_REF_PREFIX_RE: Lazy<Regex> = + Lazy::new(|| Regex::new(r"\(_R.*?B[0-9a-zA-Z]_").unwrap()); + static V0_BACK_REF_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"B[0-9a-zA-Z]_").unwrap()); const V0_BACK_REF_PLACEHOLDER: &str = r"B<REF>_"; if V0_BACK_REF_PREFIX_RE.is_match(&normalized) { @@ -3681,21 +3674,23 @@ impl<'test> TestCx<'test> { /// Replaces backslashes in paths with forward slashes, and replaces CRLF line endings /// with LF. fn normalize_platform_differences(output: &str) -> String { - lazy_static! { - /// Used to find Windows paths. - /// - /// It's not possible to detect paths in the error messages generally, but this is a - /// decent enough heuristic. - static ref PATH_BACKSLASH_RE: Regex = Regex::new(r#"(?x) + /// Used to find Windows paths. + /// + /// It's not possible to detect paths in the error messages generally, but this is a + /// decent enough heuristic. + static PATH_BACKSLASH_RE: Lazy<Regex> = Lazy::new(|| { + Regex::new( + r#"(?x) (?: # Match paths that don't include spaces. (?:\\[\pL\pN\.\-_']+)+\.\pL+ | # If the path starts with a well-known root, then allow spaces. \$(?:DIR|SRC_DIR|TEST_BUILD_DIR|BUILD_DIR|LIB_DIR)(?:\\[\pL\pN\.\-_' ]+)+ - )"# - ).unwrap(); - } + )"#, + ) + .unwrap() + }); let output = output.replace(r"\\", r"\"); diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs index 67f49bb6397..5f6a27e5366 100644 --- a/src/tools/compiletest/src/util.rs +++ b/src/tools/compiletest/src/util.rs @@ -11,6 +11,8 @@ mod tests; pub const ASAN_SUPPORTED_TARGETS: &[&str] = &[ "aarch64-apple-darwin", + "aarch64-apple-ios", + "aarch64-apple-ios-sim", "aarch64-unknown-fuchsia", "aarch64-linux-android", "aarch64-unknown-linux-gnu", @@ -19,6 +21,7 @@ pub const ASAN_SUPPORTED_TARGETS: &[&str] = &[ "i686-linux-android", "i686-unknown-linux-gnu", "x86_64-apple-darwin", + "x86_64-apple-ios", "x86_64-unknown-fuchsia", "x86_64-linux-android", "x86_64-unknown-freebsd", @@ -45,6 +48,13 @@ pub const CFI_SUPPORTED_TARGETS: &[&str] = &[ pub const KCFI_SUPPORTED_TARGETS: &[&str] = &["aarch64-linux-none", "x86_64-linux-none"]; +pub const KASAN_SUPPORTED_TARGETS: &[&str] = &[ + "aarch64-unknown-none", + "riscv64gc-unknown-none-elf", + "riscv64imac-unknown-none-elf", + "x86_64-unknown-none", +]; + pub const LSAN_SUPPORTED_TARGETS: &[&str] = &[ // FIXME: currently broken, see #88132 // "aarch64-apple-darwin", @@ -63,8 +73,11 @@ pub const MSAN_SUPPORTED_TARGETS: &[&str] = &[ pub const TSAN_SUPPORTED_TARGETS: &[&str] = &[ "aarch64-apple-darwin", + "aarch64-apple-ios", + "aarch64-apple-ios-sim", "aarch64-unknown-linux-gnu", "x86_64-apple-darwin", + "x86_64-apple-ios", "x86_64-unknown-freebsd", "x86_64-unknown-linux-gnu", "s390x-unknown-linux-gnu", diff --git a/src/tools/jsondoclint/src/validator.rs b/src/tools/jsondoclint/src/validator.rs index c6f55410e44..a1f675a3b40 100644 --- a/src/tools/jsondoclint/src/validator.rs +++ b/src/tools/jsondoclint/src/validator.rs @@ -71,6 +71,19 @@ impl<'a> Validator<'a> { } } + fn check_items(&mut self, id: &Id, items: &[Id]) { + let mut visited_ids = HashSet::with_capacity(items.len()); + + for item in items { + if !visited_ids.insert(item) { + self.fail( + id, + ErrorKind::Custom(format!("Duplicated entry in `items` field: `{item:?}`")), + ); + } + } + } + fn check_item(&mut self, id: &'a Id) { if let Some(item) = &self.krate.index.get(id) { item.links.values().for_each(|id| self.add_any_id(id)); @@ -83,9 +96,9 @@ impl<'a> Validator<'a> { ItemEnum::Enum(x) => self.check_enum(x), ItemEnum::Variant(x) => self.check_variant(x, id), ItemEnum::Function(x) => self.check_function(x), - ItemEnum::Trait(x) => self.check_trait(x), + ItemEnum::Trait(x) => self.check_trait(x, id), ItemEnum::TraitAlias(x) => self.check_trait_alias(x), - ItemEnum::Impl(x) => self.check_impl(x), + ItemEnum::Impl(x) => self.check_impl(x, id), ItemEnum::Typedef(x) => self.check_typedef(x), ItemEnum::OpaqueTy(x) => self.check_opaque_ty(x), ItemEnum::Constant(x) => self.check_constant(x), @@ -94,7 +107,7 @@ impl<'a> Validator<'a> { ItemEnum::Macro(x) => self.check_macro(x), ItemEnum::ProcMacro(x) => self.check_proc_macro(x), ItemEnum::Primitive(x) => self.check_primitive_type(x), - ItemEnum::Module(x) => self.check_module(x), + ItemEnum::Module(x) => self.check_module(x, id), // FIXME: Why don't these have their own structs? ItemEnum::ExternCrate { .. } => {} ItemEnum::AssocConst { type_, default: _ } => self.check_type(type_), @@ -112,7 +125,8 @@ impl<'a> Validator<'a> { } // Core checkers - fn check_module(&mut self, module: &'a Module) { + fn check_module(&mut self, module: &'a Module, id: &Id) { + self.check_items(id, &module.items); module.items.iter().for_each(|i| self.add_mod_item_id(i)); } @@ -181,7 +195,8 @@ impl<'a> Validator<'a> { self.check_fn_decl(&x.decl); } - fn check_trait(&mut self, x: &'a Trait) { + fn check_trait(&mut self, x: &'a Trait, id: &Id) { + self.check_items(id, &x.items); self.check_generics(&x.generics); x.items.iter().for_each(|i| self.add_trait_item_id(i)); x.bounds.iter().for_each(|i| self.check_generic_bound(i)); @@ -193,7 +208,8 @@ impl<'a> Validator<'a> { x.params.iter().for_each(|i| self.check_generic_bound(i)); } - fn check_impl(&mut self, x: &'a Impl) { + fn check_impl(&mut self, x: &'a Impl, id: &Id) { + self.check_items(id, &x.items); self.check_generics(&x.generics); if let Some(path) = &x.trait_ { self.check_path(path, PathKind::Trait); diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index d61e17cbf9a..ebb71b57ae3 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -363,7 +363,7 @@ pub fn create_ecx<'mir, 'tcx: 'mir>( tcx, ty::ParamEnv::reveal_all(), start_id, - tcx.mk_substs(::std::iter::once(ty::subst::GenericArg::from(main_ret_ty))), + tcx.intern_substs(&[ty::subst::GenericArg::from(main_ret_ty)]), ) .unwrap() .unwrap(); diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 5286023e0f6..ed3dd741a8b 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -478,6 +478,10 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { } else if matches!(v.layout.fields, FieldsShape::Union(..)) { // A (non-frozen) union. We fall back to whatever the type says. (self.unsafe_cell_action)(v) + } else if matches!(v.layout.ty.kind(), ty::Dynamic(_, _, ty::DynStar)) { + // This needs to read the vtable pointer to proceed type-driven, but we don't + // want to reentrantly read from memory here. + (self.unsafe_cell_action)(v) } else { // We want to not actually read from memory for this visit. So, before // walking this value, we have to make sure it is not a diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index c99cc68dbab..8bd1e802f8a 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -815,8 +815,8 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { } #[inline(always)] - fn checked_binop_checks_overflow(ecx: &MiriInterpCx<'mir, 'tcx>) -> bool { - ecx.tcx.sess.overflow_checks() + fn ignore_checkable_overflow_assertions(ecx: &MiriInterpCx<'mir, 'tcx>) -> bool { + !ecx.tcx.sess.overflow_checks() } #[inline(always)] diff --git a/src/tools/miri/tests/fail/branchless-select-i128-pointer.stderr b/src/tools/miri/tests/fail/branchless-select-i128-pointer.stderr index 96f2ff3282c..d68b4b8dfc6 100644 --- a/src/tools/miri/tests/fail/branchless-select-i128-pointer.stderr +++ b/src/tools/miri/tests/fail/branchless-select-i128-pointer.stderr @@ -1,4 +1,4 @@ -error: Undefined Behavior: constructing invalid value: encountered a dangling reference (address $HEX is unallocated) +error: Undefined Behavior: constructing invalid value: encountered a dangling reference ($HEX[noalloc] has no provenance) --> $DIR/branchless-select-i128-pointer.rs:LL:CC | LL | / transmute::<_, &str>( @@ -6,7 +6,7 @@ LL | | LL | | !mask & transmute::<_, TwoPtrs>("false !") LL | | | mask & transmute::<_, TwoPtrs>("true !"), LL | | ) - | |_____________^ constructing invalid value: encountered a dangling reference (address $HEX is unallocated) + | |_____________^ constructing invalid value: encountered a dangling reference ($HEX[noalloc] has no provenance) | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/fail/validity/dangling_ref1.rs b/src/tools/miri/tests/fail/validity/dangling_ref1.rs index 6bf2d9295a3..fc3a9f34463 100644 --- a/src/tools/miri/tests/fail/validity/dangling_ref1.rs +++ b/src/tools/miri/tests/fail/validity/dangling_ref1.rs @@ -3,5 +3,5 @@ use std::mem; fn main() { - let _x: &i32 = unsafe { mem::transmute(16usize) }; //~ ERROR: encountered a dangling reference (address 0x10 is unallocated) + let _x: &i32 = unsafe { mem::transmute(16usize) }; //~ ERROR: encountered a dangling reference } diff --git a/src/tools/miri/tests/fail/validity/dangling_ref1.stderr b/src/tools/miri/tests/fail/validity/dangling_ref1.stderr index 01ef071e869..830ab9ca501 100644 --- a/src/tools/miri/tests/fail/validity/dangling_ref1.stderr +++ b/src/tools/miri/tests/fail/validity/dangling_ref1.stderr @@ -1,8 +1,8 @@ -error: Undefined Behavior: constructing invalid value: encountered a dangling reference (address 0x10 is unallocated) +error: Undefined Behavior: constructing invalid value: encountered a dangling reference (0x10[noalloc] has no provenance) --> $DIR/dangling_ref1.rs:LL:CC | LL | let _x: &i32 = unsafe { mem::transmute(16usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (address 0x10 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (0x10[noalloc] has no provenance) | = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information diff --git a/src/tools/miri/tests/pass/dyn-star.rs b/src/tools/miri/tests/pass/dyn-star.rs new file mode 100644 index 00000000000..16a8cec6cda --- /dev/null +++ b/src/tools/miri/tests/pass/dyn-star.rs @@ -0,0 +1,116 @@ +#![feature(dyn_star)] +#![allow(incomplete_features)] + +use std::fmt::{Debug, Display}; + +fn main() { + make_dyn_star(); + method(); + box_(); + dispatch_on_pin_mut(); + dyn_star_to_dyn(); + dyn_to_dyn_star(); +} + +fn dyn_star_to_dyn() { + let x: dyn* Debug = &42; + let x = Box::new(x) as Box<dyn Debug>; + assert_eq!("42", format!("{x:?}")); +} + +fn dyn_to_dyn_star() { + let x: Box<dyn Debug> = Box::new(42); + let x = &x as dyn* Debug; + assert_eq!("42", format!("{x:?}")); +} + +fn make_dyn_star() { + fn make_dyn_star_coercion(i: usize) { + let _dyn_i: dyn* Debug = i; + } + + fn make_dyn_star_explicit(i: usize) { + let _dyn_i: dyn* Debug = i as dyn* Debug; + } + + make_dyn_star_coercion(42); + make_dyn_star_explicit(42); +} + +fn method() { + trait Foo { + fn get(&self) -> usize; + } + + impl Foo for usize { + fn get(&self) -> usize { + *self + } + } + + fn invoke_dyn_star(i: dyn* Foo) -> usize { + i.get() + } + + fn make_and_invoke_dyn_star(i: usize) -> usize { + let dyn_i: dyn* Foo = i; + invoke_dyn_star(dyn_i) + } + + assert_eq!(make_and_invoke_dyn_star(42), 42); +} + +fn box_() { + fn make_dyn_star() -> dyn* Display { + Box::new(42) as dyn* Display + } + + let x = make_dyn_star(); + assert_eq!(format!("{x}"), "42"); +} + +fn dispatch_on_pin_mut() { + use std::future::Future; + + async fn foo(f: dyn* Future<Output = i32>) { + println!("dispatch_on_pin_mut: value: {}", f.await); + } + + async fn async_main() { + foo(Box::pin(async { 1 })).await + } + + // ------------------------------------------------------------------------- // + // Implementation Details Below... + + use std::pin::Pin; + use std::task::*; + + pub fn noop_waker() -> Waker { + let raw = RawWaker::new(std::ptr::null(), &NOOP_WAKER_VTABLE); + + // SAFETY: the contracts for RawWaker and RawWakerVTable are upheld + unsafe { Waker::from_raw(raw) } + } + + const NOOP_WAKER_VTABLE: RawWakerVTable = RawWakerVTable::new(noop_clone, noop, noop, noop); + + unsafe fn noop_clone(_p: *const ()) -> RawWaker { + RawWaker::new(std::ptr::null(), &NOOP_WAKER_VTABLE) + } + + unsafe fn noop(_p: *const ()) {} + + let mut fut = async_main(); + + // Poll loop, just to test the future... + let waker = noop_waker(); + let ctx = &mut Context::from_waker(&waker); + + loop { + match unsafe { Pin::new_unchecked(&mut fut).poll(ctx) } { + Poll::Pending => {} + Poll::Ready(()) => break, + } + } +} diff --git a/src/tools/miri/tests/pass/dyn-star.stdout b/src/tools/miri/tests/pass/dyn-star.stdout new file mode 100644 index 00000000000..e94427ee305 --- /dev/null +++ b/src/tools/miri/tests/pass/dyn-star.stdout @@ -0,0 +1 @@ +dispatch_on_pin_mut: value: 1 diff --git a/src/tools/rust-analyzer/Cargo.lock b/src/tools/rust-analyzer/Cargo.lock index ef0316f30fb..ec197767259 100644 --- a/src/tools/rust-analyzer/Cargo.lock +++ b/src/tools/rust-analyzer/Cargo.lock @@ -711,6 +711,7 @@ dependencies = [ "limit", "memchr", "once_cell", + "oorandom", "parser", "profile", "rayon", @@ -932,9 +933,9 @@ dependencies = [ [[package]] name = "lsp-types" -version = "0.93.2" +version = "0.94.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9be6e9c7e2d18f651974370d7aff703f9513e0df6e464fd795660edc77e6ca51" +checksum = "0b63735a13a1f9cd4f4835223d828ed9c2e35c8c5e61837774399f558b6a1237" dependencies = [ "bitflags", "serde", @@ -1173,6 +1174,7 @@ dependencies = [ "limit", "rustc-ap-rustc_lexer", "sourcegen", + "stdx", ] [[package]] diff --git a/src/tools/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/Cargo.toml index ef81105505b..333f03ce2ff 100644 --- a/src/tools/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/Cargo.toml @@ -74,3 +74,5 @@ toolchain = { path = "./crates/toolchain", version = "0.0.0" } tt = { path = "./crates/tt", version = "0.0.0" } vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" } vfs = { path = "./crates/vfs", version = "0.0.0" } +# non-local crates +smallvec = { version = "1.10.0", features = ["const_new", "union", "const_generics"] } diff --git a/src/tools/rust-analyzer/crates/hir-def/Cargo.toml b/src/tools/rust-analyzer/crates/hir-def/Cargo.toml index 1daf0428c24..31d4018d2b6 100644 --- a/src/tools/rust-analyzer/crates/hir-def/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir-def/Cargo.toml @@ -27,7 +27,7 @@ itertools = "0.10.5" la-arena = { version = "0.3.0", path = "../../lib/la-arena" } once_cell = "1.17.0" rustc-hash = "1.1.0" -smallvec = "1.10.0" +smallvec.workspace = true tracing = "0.1.35" rustc_abi = { version = "0.0.20221221", package = "hkalbasi-rustc-ap-rustc_abi", default-features = false } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/adt.rs b/src/tools/rust-analyzer/crates/hir-def/src/adt.rs index dcea679567a..9bc1c54a3c6 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/adt.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/adt.rs @@ -2,9 +2,10 @@ use std::sync::Arc; -use crate::tt::{Delimiter, DelimiterKind, Leaf, Subtree, TokenTree}; use base_db::CrateId; +use cfg::CfgOptions; use either::Either; + use hir_expand::{ name::{AsName, Name}, HirFileId, InFile, @@ -24,12 +25,12 @@ use crate::{ src::HasChildSource, src::HasSource, trace::Trace, + tt::{Delimiter, DelimiterKind, Leaf, Subtree, TokenTree}, type_ref::TypeRef, visibility::RawVisibility, EnumId, LocalEnumVariantId, LocalFieldId, LocalModuleId, Lookup, ModuleId, StructId, UnionId, VariantId, }; -use cfg::CfgOptions; /// Note that we use `StructData` for unions as well! #[derive(Debug, Clone, PartialEq, Eq)] diff --git a/src/tools/rust-analyzer/crates/hir-def/src/body.rs b/src/tools/rust-analyzer/crates/hir-def/src/body.rs index 9713256813e..8fd9255b8b1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/body.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/body.rs @@ -19,7 +19,7 @@ use la_arena::{Arena, ArenaMap}; use limit::Limit; use profile::Count; use rustc_hash::FxHashMap; -use syntax::{ast, AstPtr, SyntaxNodePtr}; +use syntax::{ast, AstPtr, SyntaxNode, SyntaxNodePtr}; use crate::{ attr::Attrs, @@ -51,7 +51,8 @@ pub struct Expander { def_map: Arc<DefMap>, current_file_id: HirFileId, module: LocalModuleId, - recursion_limit: usize, + /// `recursion_depth == usize::MAX` indicates that the recursion limit has been reached. + recursion_depth: usize, } impl CfgExpander { @@ -84,7 +85,7 @@ impl Expander { def_map, current_file_id, module: module.local_id, - recursion_limit: 0, + recursion_depth: 0, } } @@ -93,31 +94,37 @@ impl Expander { db: &dyn DefDatabase, macro_call: ast::MacroCall, ) -> Result<ExpandResult<Option<(Mark, T)>>, UnresolvedMacro> { - if self.recursion_limit(db).check(self.recursion_limit + 1).is_err() { - cov_mark::hit!(your_stack_belongs_to_me); - return Ok(ExpandResult::only_err(ExpandError::Other( - "reached recursion limit during macro expansion".into(), - ))); + let mut unresolved_macro_err = None; + + let result = self.within_limit(db, |this| { + let macro_call = InFile::new(this.current_file_id, ¯o_call); + + let resolver = + |path| this.resolve_path_as_macro(db, &path).map(|it| macro_id_to_def_id(db, it)); + + let mut err = None; + let call_id = match macro_call.as_call_id_with_errors( + db, + this.def_map.krate(), + resolver, + &mut |e| { + err.get_or_insert(e); + }, + ) { + Ok(call_id) => call_id, + Err(resolve_err) => { + unresolved_macro_err = Some(resolve_err); + return ExpandResult { value: None, err: None }; + } + }; + ExpandResult { value: call_id.ok(), err } + }); + + if let Some(err) = unresolved_macro_err { + Err(err) + } else { + Ok(result) } - - let macro_call = InFile::new(self.current_file_id, ¯o_call); - - let resolver = - |path| self.resolve_path_as_macro(db, &path).map(|it| macro_id_to_def_id(db, it)); - - let mut err = None; - let call_id = - macro_call.as_call_id_with_errors(db, self.def_map.krate(), resolver, &mut |e| { - err.get_or_insert(e); - })?; - let call_id = match call_id { - Ok(it) => it, - Err(_) => { - return Ok(ExpandResult { value: None, err }); - } - }; - - Ok(self.enter_expand_inner(db, call_id, err)) } pub fn enter_expand_id<T: ast::AstNode>( @@ -125,15 +132,14 @@ impl Expander { db: &dyn DefDatabase, call_id: MacroCallId, ) -> ExpandResult<Option<(Mark, T)>> { - self.enter_expand_inner(db, call_id, None) + self.within_limit(db, |_this| ExpandResult::ok(Some(call_id))) } - fn enter_expand_inner<T: ast::AstNode>( - &mut self, + fn enter_expand_inner( db: &dyn DefDatabase, call_id: MacroCallId, mut err: Option<ExpandError>, - ) -> ExpandResult<Option<(Mark, T)>> { + ) -> ExpandResult<Option<(HirFileId, SyntaxNode)>> { if err.is_none() { err = db.macro_expand_error(call_id); } @@ -154,29 +160,21 @@ impl Expander { } }; - let node = match T::cast(raw_node) { - Some(it) => it, - None => { - // This can happen without being an error, so only forward previous errors. - return ExpandResult { value: None, err }; - } - }; - - tracing::debug!("macro expansion {:#?}", node.syntax()); - - self.recursion_limit += 1; - let mark = - Mark { file_id: self.current_file_id, bomb: DropBomb::new("expansion mark dropped") }; - self.cfg_expander.hygiene = Hygiene::new(db.upcast(), file_id); - self.current_file_id = file_id; - - ExpandResult { value: Some((mark, node)), err } + ExpandResult { value: Some((file_id, raw_node)), err } } pub fn exit(&mut self, db: &dyn DefDatabase, mut mark: Mark) { self.cfg_expander.hygiene = Hygiene::new(db.upcast(), mark.file_id); self.current_file_id = mark.file_id; - self.recursion_limit -= 1; + if self.recursion_depth == usize::MAX { + // Recursion limit has been reached somewhere in the macro expansion tree. Reset the + // depth only when we get out of the tree. + if !self.current_file_id.is_macro() { + self.recursion_depth = 0; + } + } else { + self.recursion_depth -= 1; + } mark.bomb.defuse(); } @@ -215,6 +213,50 @@ impl Expander { #[cfg(test)] return Limit::new(std::cmp::min(32, limit)); } + + fn within_limit<F, T: ast::AstNode>( + &mut self, + db: &dyn DefDatabase, + op: F, + ) -> ExpandResult<Option<(Mark, T)>> + where + F: FnOnce(&mut Self) -> ExpandResult<Option<MacroCallId>>, + { + if self.recursion_depth == usize::MAX { + // Recursion limit has been reached somewhere in the macro expansion tree. We should + // stop expanding other macro calls in this tree, or else this may result in + // exponential number of macro expansions, leading to a hang. + // + // The overflow error should have been reported when it occurred (see the next branch), + // so don't return overflow error here to avoid diagnostics duplication. + cov_mark::hit!(overflow_but_not_me); + return ExpandResult::only_err(ExpandError::RecursionOverflowPosioned); + } else if self.recursion_limit(db).check(self.recursion_depth + 1).is_err() { + self.recursion_depth = usize::MAX; + cov_mark::hit!(your_stack_belongs_to_me); + return ExpandResult::only_err(ExpandError::Other( + "reached recursion limit during macro expansion".into(), + )); + } + + let ExpandResult { value, err } = op(self); + let Some(call_id) = value else { + return ExpandResult { value: None, err }; + }; + + Self::enter_expand_inner(db, call_id, err).map(|value| { + value.and_then(|(new_file_id, node)| { + let node = T::cast(node)?; + + self.recursion_depth += 1; + self.cfg_expander.hygiene = Hygiene::new(db.upcast(), new_file_id); + let old_file_id = std::mem::replace(&mut self.current_file_id, new_file_id); + let mark = + Mark { file_id: old_file_id, bomb: DropBomb::new("expansion mark dropped") }; + Some((mark, node)) + }) + }) + } } #[derive(Debug)] diff --git a/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs index a78fa91f53b..04b1c4f01e2 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs @@ -624,6 +624,10 @@ impl ExprCollector<'_> { krate: *krate, }); } + Some(ExpandError::RecursionOverflowPosioned) => { + // Recursion limit has been reached in the macro expansion tree, but not in + // this very macro call. Don't add diagnostics to avoid duplication. + } Some(err) => { self.source_map.diagnostics.push(BodyDiagnostic::MacroError { node: InFile::new(outer_file, syntax_ptr), @@ -636,6 +640,8 @@ impl ExprCollector<'_> { match res.value { Some((mark, expansion)) => { + // Keep collecting even with expansion errors so we can provide completions and + // other services in incomplete macro expressions. self.source_map.expansions.insert(macro_call_ptr, self.expander.current_file_id); let prev_ast_id_map = mem::replace( &mut self.ast_id_map, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/body/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/body/tests.rs index c9601f85527..edee2c7ff96 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/body/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/body/tests.rs @@ -62,6 +62,19 @@ fn main() { n_nuple!(1,2,3); } } #[test] +fn your_stack_belongs_to_me2() { + cov_mark::check!(overflow_but_not_me); + lower( + r#" +macro_rules! foo { + () => {{ foo!(); foo!(); }} +} +fn main() { foo!(); } +"#, + ); +} + +#[test] fn recursion_limit() { cov_mark::check!(your_stack_belongs_to_me); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs index 27705cbbbdc..d4d3c5ef19a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs @@ -659,15 +659,16 @@ fn desugar_future_path(orig: TypeRef) -> Path { let path = path![core::future::Future]; let mut generic_args: Vec<_> = std::iter::repeat(None).take(path.segments().len() - 1).collect(); - let mut last = GenericArgs::empty(); let binding = AssociatedTypeBinding { name: name![Output], args: None, type_ref: Some(orig), - bounds: Vec::new(), + bounds: Box::default(), }; - last.bindings.push(binding); - generic_args.push(Some(Interned::new(last))); + generic_args.push(Some(Interned::new(GenericArgs { + bindings: Box::new([binding]), + ..GenericArgs::empty() + }))); Path::from_known_path(path, generic_args) } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs index 49bbc64bff1..7a3e8c3b05c 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs @@ -1476,7 +1476,7 @@ macro_rules! m { /* parse error: expected identifier */ /* parse error: expected SEMICOLON */ /* parse error: expected SEMICOLON */ -/* parse error: expected expression */ +/* parse error: expected expression, item or let statement */ fn f() { K::(C("0")); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs index d2505e7cafe..8358a46f0a9 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe/regression.rs @@ -830,8 +830,7 @@ macro_rules! rgb_color { /* parse error: expected COMMA */ /* parse error: expected R_ANGLE */ /* parse error: expected SEMICOLON */ -/* parse error: expected SEMICOLON */ -/* parse error: expected expression */ +/* parse error: expected expression, item or let statement */ pub fn new() { let _ = 0as u32<<(8+8); } @@ -848,21 +847,21 @@ pub fn new() { // BLOCK_EXPR@10..31 // STMT_LIST@10..31 // L_CURLY@10..11 "{" -// LET_STMT@11..27 +// LET_STMT@11..28 // LET_KW@11..14 "let" // WILDCARD_PAT@14..15 // UNDERSCORE@14..15 "_" // EQ@15..16 "=" -// CAST_EXPR@16..27 +// CAST_EXPR@16..28 // LITERAL@16..17 // INT_NUMBER@16..17 "0" // AS_KW@17..19 "as" -// PATH_TYPE@19..27 -// PATH@19..27 -// PATH_SEGMENT@19..27 +// PATH_TYPE@19..28 +// PATH@19..28 +// PATH_SEGMENT@19..28 // NAME_REF@19..22 // IDENT@19..22 "u32" -// GENERIC_ARG_LIST@22..27 +// GENERIC_ARG_LIST@22..28 // L_ANGLE@22..23 "<" // TYPE_ARG@23..27 // DYN_TRAIT_TYPE@23..27 @@ -877,9 +876,9 @@ pub fn new() { // ERROR@25..26 // INT_NUMBER@25..26 "8" // PLUS@26..27 "+" -// EXPR_STMT@27..28 -// LITERAL@27..28 -// INT_NUMBER@27..28 "8" +// CONST_ARG@27..28 +// LITERAL@27..28 +// INT_NUMBER@27..28 "8" // ERROR@28..29 // R_PAREN@28..29 ")" // SEMICOLON@29..30 ";" diff --git a/src/tools/rust-analyzer/crates/hir-def/src/path.rs b/src/tools/rust-analyzer/crates/hir-def/src/path.rs index 25a23fcd61a..36d4c36a268 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/path.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/path.rs @@ -38,18 +38,18 @@ impl Display for ImportAlias { #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub struct Path { /// Type based path like `<T>::foo`. - /// Note that paths like `<Type as Trait>::foo` are desugard to `Trait::<Self=Type>::foo`. + /// Note that paths like `<Type as Trait>::foo` are desugared to `Trait::<Self=Type>::foo`. type_anchor: Option<Interned<TypeRef>>, mod_path: Interned<ModPath>, - /// Invariant: the same len as `self.mod_path.segments` - generic_args: Box<[Option<Interned<GenericArgs>>]>, + /// Invariant: the same len as `self.mod_path.segments` or `None` if all segments are `None`. + generic_args: Option<Box<[Option<Interned<GenericArgs>>]>>, } /// Generic arguments to a path segment (e.g. the `i32` in `Option<i32>`). This /// also includes bindings of associated types, like in `Iterator<Item = Foo>`. #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub struct GenericArgs { - pub args: Vec<GenericArg>, + pub args: Box<[GenericArg]>, /// This specifies whether the args contain a Self type as the first /// element. This is the case for path segments like `<T as Trait>`, where /// `T` is actually a type parameter for the path `Trait` specifying the @@ -57,7 +57,7 @@ pub struct GenericArgs { /// is left out. pub has_self_type: bool, /// Associated type bindings like in `Iterator<Item = T>`. - pub bindings: Vec<AssociatedTypeBinding>, + pub bindings: Box<[AssociatedTypeBinding]>, /// Whether these generic args were desugared from `Trait(Arg) -> Output` /// parenthesis notation typically used for the `Fn` traits. pub desugared_from_fn: bool, @@ -77,7 +77,7 @@ pub struct AssociatedTypeBinding { /// Bounds for the associated type, like in `Iterator<Item: /// SomeOtherTrait>`. (This is the unstable `associated_type_bounds` /// feature.) - pub bounds: Vec<Interned<TypeBound>>, + pub bounds: Box<[Interned<TypeBound>]>, } /// A single generic argument. @@ -102,7 +102,7 @@ impl Path { ) -> Path { let generic_args = generic_args.into(); assert_eq!(path.len(), generic_args.len()); - Path { type_anchor: None, mod_path: Interned::new(path), generic_args } + Path { type_anchor: None, mod_path: Interned::new(path), generic_args: Some(generic_args) } } pub fn kind(&self) -> &PathKind { @@ -114,7 +114,14 @@ impl Path { } pub fn segments(&self) -> PathSegments<'_> { - PathSegments { segments: self.mod_path.segments(), generic_args: &self.generic_args } + let s = PathSegments { + segments: self.mod_path.segments(), + generic_args: self.generic_args.as_deref(), + }; + if let Some(generic_args) = s.generic_args { + assert_eq!(s.segments.len(), generic_args.len()); + } + s } pub fn mod_path(&self) -> &ModPath { @@ -131,13 +138,15 @@ impl Path { self.mod_path.kind, self.mod_path.segments()[..self.mod_path.segments().len() - 1].iter().cloned(), )), - generic_args: self.generic_args[..self.generic_args.len() - 1].to_vec().into(), + generic_args: self.generic_args.as_ref().map(|it| it[..it.len() - 1].to_vec().into()), }; Some(res) } pub fn is_self_type(&self) -> bool { - self.type_anchor.is_none() && *self.generic_args == [None] && self.mod_path.is_Self() + self.type_anchor.is_none() + && self.generic_args.as_deref().is_none() + && self.mod_path.is_Self() } } @@ -149,11 +158,11 @@ pub struct PathSegment<'a> { pub struct PathSegments<'a> { segments: &'a [Name], - generic_args: &'a [Option<Interned<GenericArgs>>], + generic_args: Option<&'a [Option<Interned<GenericArgs>>]>, } impl<'a> PathSegments<'a> { - pub const EMPTY: PathSegments<'static> = PathSegments { segments: &[], generic_args: &[] }; + pub const EMPTY: PathSegments<'static> = PathSegments { segments: &[], generic_args: None }; pub fn is_empty(&self) -> bool { self.len() == 0 } @@ -167,26 +176,29 @@ impl<'a> PathSegments<'a> { self.get(self.len().checked_sub(1)?) } pub fn get(&self, idx: usize) -> Option<PathSegment<'a>> { - assert_eq!(self.segments.len(), self.generic_args.len()); let res = PathSegment { name: self.segments.get(idx)?, - args_and_bindings: self.generic_args.get(idx).unwrap().as_ref().map(|it| &**it), + args_and_bindings: self.generic_args.and_then(|it| it.get(idx)?.as_deref()), }; Some(res) } pub fn skip(&self, len: usize) -> PathSegments<'a> { - assert_eq!(self.segments.len(), self.generic_args.len()); - PathSegments { segments: &self.segments[len..], generic_args: &self.generic_args[len..] } + PathSegments { + segments: &self.segments.get(len..).unwrap_or(&[]), + generic_args: self.generic_args.and_then(|it| it.get(len..)), + } } pub fn take(&self, len: usize) -> PathSegments<'a> { - assert_eq!(self.segments.len(), self.generic_args.len()); - PathSegments { segments: &self.segments[..len], generic_args: &self.generic_args[..len] } + PathSegments { + segments: &self.segments.get(..len).unwrap_or(&self.segments), + generic_args: self.generic_args.map(|it| it.get(..len).unwrap_or(it)), + } } pub fn iter(&self) -> impl Iterator<Item = PathSegment<'a>> { - self.segments.iter().zip(self.generic_args.iter()).map(|(name, args)| PathSegment { - name, - args_and_bindings: args.as_ref().map(|it| &**it), - }) + self.segments + .iter() + .zip(self.generic_args.into_iter().flatten().chain(iter::repeat(&None))) + .map(|(name, args)| PathSegment { name, args_and_bindings: args.as_deref() }) } } @@ -200,9 +212,9 @@ impl GenericArgs { pub(crate) fn empty() -> GenericArgs { GenericArgs { - args: Vec::new(), + args: Box::default(), has_self_type: false, - bindings: Vec::new(), + bindings: Box::default(), desugared_from_fn: false, } } @@ -213,7 +225,7 @@ impl From<Name> for Path { Path { type_anchor: None, mod_path: Interned::new(ModPath::from_segments(PathKind::Plain, iter::once(name))), - generic_args: Box::new([None]), + generic_args: None, } } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs index d570191595b..c85a11db6d1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs @@ -1,5 +1,7 @@ //! Transforms syntax into `Path` objects, ideally with accounting for hygiene +use std::iter; + use crate::type_ref::ConstScalarOrPath; use either::Either; @@ -45,8 +47,11 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path ) }) .map(Interned::new); + if let Some(_) = args { + generic_args.resize(segments.len(), None); + generic_args.push(args); + } segments.push(name); - generic_args.push(args) } Either::Right(crate_id) => { kind = PathKind::DollarCrate(crate_id); @@ -56,7 +61,6 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path } ast::PathSegmentKind::SelfTypeKw => { segments.push(name![Self]); - generic_args.push(None) } ast::PathSegmentKind::Type { type_ref, trait_ref } => { assert!(path.qualifier().is_none()); // this can only occur at the first segment @@ -77,18 +81,33 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path kind = mod_path.kind; segments.extend(mod_path.segments().iter().cloned().rev()); - generic_args.extend(Vec::from(path_generic_args).into_iter().rev()); + if let Some(path_generic_args) = path_generic_args { + generic_args.resize(segments.len() - num_segments, None); + generic_args.extend(Vec::from(path_generic_args).into_iter().rev()); + } else { + generic_args.resize(segments.len(), None); + } + + let self_type = GenericArg::Type(self_type); // Insert the type reference (T in the above example) as Self parameter for the trait - let last_segment = - generic_args.iter_mut().rev().nth(num_segments.saturating_sub(1))?; - let mut args_inner = match last_segment { - Some(it) => it.as_ref().clone(), - None => GenericArgs::empty(), - }; - args_inner.has_self_type = true; - args_inner.args.insert(0, GenericArg::Type(self_type)); - *last_segment = Some(Interned::new(args_inner)); + let last_segment = generic_args.get_mut(segments.len() - num_segments)?; + *last_segment = Some(Interned::new(match last_segment.take() { + Some(it) => GenericArgs { + args: iter::once(self_type) + .chain(it.args.iter().cloned()) + .collect(), + + has_self_type: true, + bindings: it.bindings.clone(), + desugared_from_fn: it.desugared_from_fn, + }, + None => GenericArgs { + args: Box::new([self_type]), + has_self_type: true, + ..GenericArgs::empty() + }, + })); } } } @@ -115,7 +134,10 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path }; } segments.reverse(); - generic_args.reverse(); + if !generic_args.is_empty() { + generic_args.resize(segments.len(), None); + generic_args.reverse(); + } if segments.is_empty() && kind == PathKind::Plain && type_anchor.is_none() { // plain empty paths don't exist, this means we got a single `self` segment as our path @@ -135,7 +157,11 @@ pub(super) fn lower_path(mut path: ast::Path, ctx: &LowerCtx<'_>) -> Option<Path } let mod_path = Interned::new(ModPath::from_segments(kind, segments)); - return Some(Path { type_anchor, mod_path, generic_args: generic_args.into() }); + return Some(Path { + type_anchor, + mod_path, + generic_args: if generic_args.is_empty() { None } else { Some(generic_args.into()) }, + }); fn qualifier(path: &ast::Path) -> Option<ast::Path> { if let Some(q) = path.qualifier() { @@ -174,7 +200,7 @@ pub(super) fn lower_generic_args( .map(|it| Interned::new(TypeBound::from_ast(lower_ctx, it))) .collect() } else { - Vec::new() + Box::default() }; bindings.push(AssociatedTypeBinding { name, args, type_ref, bounds }); } @@ -195,7 +221,12 @@ pub(super) fn lower_generic_args( if args.is_empty() && bindings.is_empty() { return None; } - Some(GenericArgs { args, has_self_type: false, bindings, desugared_from_fn: false }) + Some(GenericArgs { + args: args.into_boxed_slice(), + has_self_type: false, + bindings: bindings.into_boxed_slice(), + desugared_from_fn: false, + }) } /// Collect `GenericArgs` from the parts of a fn-like path, i.e. `Fn(X, Y) @@ -205,33 +236,30 @@ fn lower_generic_args_from_fn_path( params: Option<ast::ParamList>, ret_type: Option<ast::RetType>, ) -> Option<GenericArgs> { - let mut args = Vec::new(); - let mut bindings = Vec::new(); let params = params?; let mut param_types = Vec::new(); for param in params.params() { let type_ref = TypeRef::from_ast_opt(ctx, param.ty()); param_types.push(type_ref); } - let arg = GenericArg::Type(TypeRef::Tuple(param_types)); - args.push(arg); - if let Some(ret_type) = ret_type { + let args = Box::new([GenericArg::Type(TypeRef::Tuple(param_types))]); + let bindings = if let Some(ret_type) = ret_type { let type_ref = TypeRef::from_ast_opt(ctx, ret_type.ty()); - bindings.push(AssociatedTypeBinding { + Box::new([AssociatedTypeBinding { name: name![Output], args: None, type_ref: Some(type_ref), - bounds: Vec::new(), - }); + bounds: Box::default(), + }]) } else { // -> () let type_ref = TypeRef::Tuple(Vec::new()); - bindings.push(AssociatedTypeBinding { + Box::new([AssociatedTypeBinding { name: name![Output], args: None, type_ref: Some(type_ref), - bounds: Vec::new(), - }); - } + bounds: Box::default(), + }]) + }; Some(GenericArgs { args, has_self_type: false, bindings, desugared_from_fn: true }) } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs b/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs index 1c0bd204d30..2d45c8c8da1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs @@ -71,7 +71,7 @@ pub(crate) fn print_generic_args(generics: &GenericArgs, buf: &mut dyn Write) -> first = false; print_generic_arg(arg, buf)?; } - for binding in &generics.bindings { + for binding in generics.bindings.iter() { if !first { write!(buf, ", ")?; } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs b/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs index 8fa12c7aafd..9652b01b91b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs @@ -292,7 +292,7 @@ impl TypeRef { } for segment in path.segments().iter() { if let Some(args_and_bindings) = segment.args_and_bindings { - for arg in &args_and_bindings.args { + for arg in args_and_bindings.args.iter() { match arg { crate::path::GenericArg::Type(type_ref) => { go(type_ref, f); @@ -301,11 +301,11 @@ impl TypeRef { | crate::path::GenericArg::Lifetime(_) => {} } } - for binding in &args_and_bindings.bindings { + for binding in args_and_bindings.bindings.iter() { if let Some(type_ref) = &binding.type_ref { go(type_ref, f); } - for bound in &binding.bounds { + for bound in binding.bounds.iter() { match bound.as_ref() { TypeBound::Path(path, _) | TypeBound::ForLifetime(_, path) => { go_path(path, f) diff --git a/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml b/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml index 525cdc32b87..5c684be03cf 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml @@ -21,7 +21,7 @@ itertools = "0.10.5" hashbrown = { version = "0.12.1", features = [ "inline-more", ], default-features = false } -smallvec = { version = "1.10.0", features = ["const_new"] } +smallvec.workspace = true # local deps stdx.workspace = true diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs b/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs index bc941b54172..a52716cc02c 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs @@ -55,6 +55,7 @@ pub type ExpandResult<T> = ValueResult<T, ExpandError>; pub enum ExpandError { UnresolvedProcMacro(CrateId), Mbe(mbe::ExpandError), + RecursionOverflowPosioned, Other(Box<str>), } @@ -69,6 +70,9 @@ impl fmt::Display for ExpandError { match self { ExpandError::UnresolvedProcMacro(_) => f.write_str("unresolved proc-macro"), ExpandError::Mbe(it) => it.fmt(f), + ExpandError::RecursionOverflowPosioned => { + f.write_str("overflow expanding the original macro") + } ExpandError::Other(it) => f.write_str(it), } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml b/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml index 490bbe1e724..a8b8d5222e4 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml @@ -16,7 +16,7 @@ cov-mark = "2.0.0-pre.1" itertools = "0.10.5" arrayvec = "0.7.2" bitflags = "1.3.2" -smallvec = "1.10.0" +smallvec.workspace = true ena = "0.14.0" tracing = "0.1.35" rustc-hash = "1.1.0" diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs index 5fcbdf34f3c..b22064d8c42 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs @@ -1419,7 +1419,7 @@ impl HirDisplay for Path { write!(f, "<")?; let mut first = true; - for arg in &generic_args.args { + for arg in generic_args.args.iter() { if first { first = false; if generic_args.has_self_type { @@ -1431,7 +1431,7 @@ impl HirDisplay for Path { } arg.hir_fmt(f)?; } - for binding in &generic_args.bindings { + for binding in generic_args.bindings.iter() { if first { first = false; } else { @@ -1445,7 +1445,7 @@ impl HirDisplay for Path { } None => { write!(f, ": ")?; - f.write_joined(&binding.bounds, " + ")?; + f.write_joined(binding.bounds.iter(), " + ")?; } } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs b/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs index 7cce13a793e..29964673722 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs @@ -1025,7 +1025,7 @@ impl<'a> TyLoweringContext<'a> { last_segment .into_iter() .filter_map(|segment| segment.args_and_bindings) - .flat_map(|args_and_bindings| &args_and_bindings.bindings) + .flat_map(|args_and_bindings| args_and_bindings.bindings.iter()) .flat_map(move |binding| { let found = associated_type_by_name_including_super_traits( self.db, @@ -1068,7 +1068,7 @@ impl<'a> TyLoweringContext<'a> { AliasEq { alias: AliasTy::Projection(projection_ty.clone()), ty }; preds.push(crate::wrap_empty_binders(WhereClause::AliasEq(alias_eq))); } - for bound in &binding.bounds { + for bound in binding.bounds.iter() { preds.extend(self.lower_type_bound( bound, TyKind::Alias(AliasTy::Projection(projection_ty.clone())).intern(Interner), diff --git a/src/tools/rust-analyzer/crates/hir/Cargo.toml b/src/tools/rust-analyzer/crates/hir/Cargo.toml index 32cde8a7732..ef40a8902d7 100644 --- a/src/tools/rust-analyzer/crates/hir/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir/Cargo.toml @@ -16,7 +16,7 @@ rustc-hash = "1.1.0" either = "1.7.0" arrayvec = "0.7.2" itertools = "0.10.5" -smallvec = "1.10.0" +smallvec.workspace = true once_cell = "1.17.0" # local deps diff --git a/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml b/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml index 3954abfdb7c..447e38f91f4 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml @@ -16,7 +16,7 @@ cov-mark = "2.0.0-pre.1" itertools = "0.10.5" either = "1.7.0" -smallvec = "1.10.0" +smallvec.workspace = true # local deps stdx.workspace = true diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter.rs index 15641b448d0..4595cfe29c8 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter.rs @@ -180,7 +180,9 @@ pub(crate) fn generate_getter_impl( // Insert `$0` only for last getter we generate if i == record_fields_count - 1 { - getter_buf = getter_buf.replacen("fn ", "fn $0", 1); + if ctx.config.snippet_cap.is_some() { + getter_buf = getter_buf.replacen("fn ", "fn $0", 1); + } } // For first element we do not merge with '\n', as @@ -330,7 +332,7 @@ fn parse_record_field(record_field: ast::RecordField, mutable: bool) -> Option<R #[cfg(test)] mod tests { - use crate::tests::{check_assist, check_assist_not_applicable}; + use crate::tests::{check_assist, check_assist_no_snippet_cap, check_assist_not_applicable}; use super::*; @@ -378,6 +380,49 @@ impl Context { } #[test] + fn test_generate_getter_from_field_no_snippet_cap() { + check_assist_no_snippet_cap( + generate_getter, + r#" +struct Context { + dat$0a: Data, +} +"#, + r#" +struct Context { + data: Data, +} + +impl Context { + fn data(&self) -> &Data { + &self.data + } +} +"#, + ); + + check_assist_no_snippet_cap( + generate_getter_mut, + r#" +struct Context { + dat$0a: Data, +} +"#, + r#" +struct Context { + data: Data, +} + +impl Context { + fn data_mut(&mut self) -> &mut Data { + &mut self.data + } +} +"#, + ); + } + + #[test] fn test_generate_getter_already_implemented() { check_assist_not_applicable( generate_getter, @@ -434,6 +479,29 @@ impl Context { } #[test] + fn test_generate_getter_from_field_with_visibility_marker_no_snippet_cap() { + check_assist_no_snippet_cap( + generate_getter, + r#" +pub(crate) struct Context { + dat$0a: Data, +} +"#, + r#" +pub(crate) struct Context { + data: Data, +} + +impl Context { + pub(crate) fn data(&self) -> &Data { + &self.data + } +} +"#, + ); + } + + #[test] fn test_multiple_generate_getter() { check_assist( generate_getter, @@ -469,6 +537,41 @@ impl Context { } #[test] + fn test_multiple_generate_getter_no_snippet_cap() { + check_assist_no_snippet_cap( + generate_getter, + r#" +struct Context { + data: Data, + cou$0nt: usize, +} + +impl Context { + fn data(&self) -> &Data { + &self.data + } +} +"#, + r#" +struct Context { + data: Data, + count: usize, +} + +impl Context { + fn data(&self) -> &Data { + &self.data + } + + fn count(&self) -> &usize { + &self.count + } +} +"#, + ); + } + + #[test] fn test_not_a_special_case() { cov_mark::check_count!(convert_reference_type, 0); // Fake string which doesn't implement AsRef<str> diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/tests.rs b/src/tools/rust-analyzer/crates/ide-assists/src/tests.rs index fca268a1f0b..94be99fd7ab 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/tests.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/tests.rs @@ -33,6 +33,20 @@ pub(crate) const TEST_CONFIG: AssistConfig = AssistConfig { assist_emit_must_use: false, }; +pub(crate) const TEST_CONFIG_NO_SNIPPET_CAP: AssistConfig = AssistConfig { + snippet_cap: None, + allowed: None, + insert_use: InsertUseConfig { + granularity: ImportGranularity::Crate, + prefix_kind: hir::PrefixKind::Plain, + enforce_granularity: true, + group: true, + skip_glob_imports: true, + }, + prefer_no_std: false, + assist_emit_must_use: false, +}; + pub(crate) fn with_single_file(text: &str) -> (RootDatabase, FileId) { RootDatabase::with_single_file(text) } @@ -43,6 +57,22 @@ pub(crate) fn check_assist(assist: Handler, ra_fixture_before: &str, ra_fixture_ check(assist, ra_fixture_before, ExpectedResult::After(&ra_fixture_after), None); } +#[track_caller] +pub(crate) fn check_assist_no_snippet_cap( + assist: Handler, + ra_fixture_before: &str, + ra_fixture_after: &str, +) { + let ra_fixture_after = trim_indent(ra_fixture_after); + check_with_config( + TEST_CONFIG_NO_SNIPPET_CAP, + assist, + ra_fixture_before, + ExpectedResult::After(&ra_fixture_after), + None, + ); +} + // There is no way to choose what assist within a group you want to test against, // so this is here to allow you choose. pub(crate) fn check_assist_by_label( @@ -119,6 +149,17 @@ enum ExpectedResult<'a> { #[track_caller] fn check(handler: Handler, before: &str, expected: ExpectedResult<'_>, assist_label: Option<&str>) { + check_with_config(TEST_CONFIG, handler, before, expected, assist_label); +} + +#[track_caller] +fn check_with_config( + config: AssistConfig, + handler: Handler, + before: &str, + expected: ExpectedResult<'_>, + assist_label: Option<&str>, +) { let (mut db, file_with_caret_id, range_or_offset) = RootDatabase::with_range_or_offset(before); db.set_enable_proc_attr_macros(true); let text_without_caret = db.file_text(file_with_caret_id).to_string(); @@ -126,7 +167,6 @@ fn check(handler: Handler, before: &str, expected: ExpectedResult<'_>, assist_la let frange = FileRange { file_id: file_with_caret_id, range: range_or_offset.into() }; let sema = Semantics::new(&db); - let config = TEST_CONFIG; let ctx = AssistContext::new(sema, &config, frange); let resolve = match expected { ExpectedResult::Unresolved => AssistResolveStrategy::None, diff --git a/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml b/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml index 34ef092cfc4..092fb303668 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml @@ -16,7 +16,7 @@ cov-mark = "2.0.0-pre.1" itertools = "0.10.5" once_cell = "1.17.0" -smallvec = "1.10.0" +smallvec.workspace = true # local deps diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs index 90c523735da..c55bd9aaae5 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs @@ -747,4 +747,16 @@ fn main() { "#, ); } + + #[test] + fn no_postfix_completions_in_if_block_that_has_an_else() { + check( + r#" +fn test() { + if true {}.$0 else {} +} +"#, + expect![[r#""#]], + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/context.rs b/src/tools/rust-analyzer/crates/ide-completion/src/context.rs index aa77f449530..ea54068b0f8 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/context.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/context.rs @@ -571,28 +571,25 @@ impl<'a> CompletionContext<'a> { // try to skip completions on path with invalid colons // this approach works in normal path and inside token tree - match original_token.kind() { - T![:] => { - // return if no prev token before colon - let prev_token = original_token.prev_token()?; - - // only has a single colon - if prev_token.kind() != T![:] { - return None; - } + if original_token.kind() == T![:] { + // return if no prev token before colon + let prev_token = original_token.prev_token()?; - // has 3 colon or 2 coloncolon in a row - // special casing this as per discussion in https://github.com/rust-lang/rust-analyzer/pull/13611#discussion_r1031845205 - // and https://github.com/rust-lang/rust-analyzer/pull/13611#discussion_r1032812751 - if prev_token - .prev_token() - .map(|t| t.kind() == T![:] || t.kind() == T![::]) - .unwrap_or(false) - { - return None; - } + // only has a single colon + if prev_token.kind() != T![:] { + return None; + } + + // has 3 colon or 2 coloncolon in a row + // special casing this as per discussion in https://github.com/rust-lang/rust-analyzer/pull/13611#discussion_r1031845205 + // and https://github.com/rust-lang/rust-analyzer/pull/13611#discussion_r1032812751 + if prev_token + .prev_token() + .map(|t| t.kind() == T![:] || t.kind() == T![::]) + .unwrap_or(false) + { + return None; } - _ => {} } let AnalysisResult { diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs b/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs index 4bff665ab1d..db0045aef6e 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs @@ -29,6 +29,7 @@ pub(super) struct AnalysisResult { pub(super) analysis: CompletionAnalysis, pub(super) expected: (Option<Type>, Option<ast::NameOrNameRef>), pub(super) qualifier_ctx: QualifierCtx, + /// the original token of the expanded file pub(super) token: SyntaxToken, pub(super) offset: TextSize, } @@ -213,15 +214,6 @@ fn analyze( let _p = profile::span("CompletionContext::analyze"); let ExpansionResult { original_file, speculative_file, offset, fake_ident_token, derive_ctx } = expansion_result; - let syntax_element = NodeOrToken::Token(fake_ident_token); - if is_in_token_of_for_loop(syntax_element.clone()) { - // for pat $0 - // there is nothing to complete here except `in` keyword - // don't bother populating the context - // FIXME: the completion calculations should end up good enough - // such that this special case becomes unnecessary - return None; - } // Overwrite the path kind for derives if let Some((original_file, file_with_fake_ident, offset, origin_attr)) = derive_ctx { @@ -249,37 +241,35 @@ fn analyze( return None; } - let name_like = match find_node_at_offset(&speculative_file, offset) { - Some(it) => it, - None => { - let analysis = if let Some(original) = ast::String::cast(original_token.clone()) { - CompletionAnalysis::String { - original, - expanded: ast::String::cast(self_token.clone()), + let Some(name_like) = find_node_at_offset(&speculative_file, offset) else { + let analysis = if let Some(original) = ast::String::cast(original_token.clone()) { + CompletionAnalysis::String { + original, + expanded: ast::String::cast(self_token.clone()), + } + } else { + // Fix up trailing whitespace problem + // #[attr(foo = $0 + let token = syntax::algo::skip_trivia_token(self_token.clone(), Direction::Prev)?; + let p = token.parent()?; + if p.kind() == SyntaxKind::TOKEN_TREE + && p.ancestors().any(|it| it.kind() == SyntaxKind::META) + { + let colon_prefix = previous_non_trivia_token(self_token.clone()) + .map_or(false, |it| T![:] == it.kind()); + CompletionAnalysis::UnexpandedAttrTT { + fake_attribute_under_caret: fake_ident_token + .parent_ancestors() + .find_map(ast::Attr::cast), + colon_prefix, } } else { - // Fix up trailing whitespace problem - // #[attr(foo = $0 - let token = syntax::algo::skip_trivia_token(self_token.clone(), Direction::Prev)?; - let p = token.parent()?; - if p.kind() == SyntaxKind::TOKEN_TREE - && p.ancestors().any(|it| it.kind() == SyntaxKind::META) - { - let colon_prefix = previous_non_trivia_token(self_token.clone()) - .map_or(false, |it| T![:] == it.kind()); - CompletionAnalysis::UnexpandedAttrTT { - fake_attribute_under_caret: syntax_element - .ancestors() - .find_map(ast::Attr::cast), - colon_prefix, - } - } else { - return None; - } - }; - return Some((analysis, (None, None), QualifierCtx::default())); - } + return None; + } + }; + return Some((analysis, (None, None), QualifierCtx::default())); }; + let expected = expected_type_and_name(sema, self_token, &name_like); let mut qual_ctx = QualifierCtx::default(); let analysis = match name_like { @@ -290,6 +280,22 @@ fn analyze( let parent = name_ref.syntax().parent()?; let (nameref_ctx, qualifier_ctx) = classify_name_ref(sema, &original_file, name_ref, parent)?; + + if let NameRefContext { + kind: + NameRefKind::Path(PathCompletionCtx { kind: PathKind::Expr { .. }, path, .. }, ..), + .. + } = &nameref_ctx + { + if is_in_token_of_for_loop(path) { + // for pat $0 + // there is nothing to complete here except `in` keyword + // don't bother populating the context + // Ideally this special casing wouldn't be needed, but the parser recovers + return None; + } + } + qual_ctx = qualifier_ctx; CompletionAnalysis::NameRef(nameref_ctx) } @@ -323,16 +329,14 @@ fn expected_type_and_name( ast::FieldExpr(e) => e .syntax() .ancestors() - .map_while(ast::FieldExpr::cast) - .last() - .map(|it| it.syntax().clone()), + .take_while(|it| ast::FieldExpr::can_cast(it.kind())) + .last(), ast::PathSegment(e) => e .syntax() .ancestors() .skip(1) .take_while(|it| ast::Path::can_cast(it.kind()) || ast::PathExpr::can_cast(it.kind())) - .find_map(ast::PathExpr::cast) - .map(|it| it.syntax().clone()), + .find(|it| ast::PathExpr::can_cast(it.kind())), _ => None } }; @@ -605,6 +609,18 @@ fn classify_name_ref( }, _ => false, }; + + let reciever_is_part_of_indivisible_expression = match &receiver { + Some(ast::Expr::IfExpr(_)) => { + let next_token_kind = next_non_trivia_token(name_ref.syntax().clone()).map(|t| t.kind()); + next_token_kind == Some(SyntaxKind::ELSE_KW) + }, + _ => false + }; + if reciever_is_part_of_indivisible_expression { + return None; + } + let kind = NameRefKind::DotAccess(DotAccess { receiver_ty: receiver.as_ref().and_then(|it| sema.type_of_expr(it)), kind: DotAccessKind::Field { receiver_is_ambiguous_float_literal }, @@ -656,8 +672,15 @@ fn classify_name_ref( }; let after_if_expr = |node: SyntaxNode| { let prev_expr = (|| { + let node = match node.parent().and_then(ast::ExprStmt::cast) { + Some(stmt) => stmt.syntax().clone(), + None => node, + }; let prev_sibling = non_trivia_sibling(node.into(), Direction::Prev)?.into_node()?; - ast::ExprStmt::cast(prev_sibling)?.expr() + + ast::ExprStmt::cast(prev_sibling.clone()) + .and_then(|it| it.expr()) + .or_else(|| ast::Expr::cast(prev_sibling)) })(); matches!(prev_expr, Some(ast::Expr::IfExpr(_))) }; @@ -1251,40 +1274,29 @@ fn path_or_use_tree_qualifier(path: &ast::Path) -> Option<(ast::Path, bool)> { Some((use_tree.path()?, true)) } -pub(crate) fn is_in_token_of_for_loop(element: SyntaxElement) -> bool { +fn is_in_token_of_for_loop(path: &ast::Path) -> bool { // oh my ... (|| { - let syntax_token = element.into_token()?; - let range = syntax_token.text_range(); - let for_expr = syntax_token.parent_ancestors().find_map(ast::ForExpr::cast)?; - - // check if the current token is the `in` token of a for loop - if let Some(token) = for_expr.in_token() { - return Some(syntax_token == token); + let expr = path.syntax().parent().and_then(ast::PathExpr::cast)?; + let for_expr = expr.syntax().parent().and_then(ast::ForExpr::cast)?; + if for_expr.in_token().is_some() { + return Some(false); } let pat = for_expr.pat()?; - if range.end() < pat.syntax().text_range().end() { - // if we are inside or before the pattern we can't be at the `in` token position - return None; - } let next_sibl = next_non_trivia_sibling(pat.syntax().clone().into())?; Some(match next_sibl { - // the loop body is some node, if our token is at the start we are at the `in` position, - // otherwise we could be in a recovered expression, we don't wanna ruin completions there - syntax::NodeOrToken::Node(n) => n.text_range().start() == range.start(), - // the loop body consists of a single token, if we are this we are certainly at the `in` token position - syntax::NodeOrToken::Token(t) => t == syntax_token, + syntax::NodeOrToken::Node(n) => { + n.text_range().start() == path.syntax().text_range().start() + } + syntax::NodeOrToken::Token(t) => { + t.text_range().start() == path.syntax().text_range().start() + } }) })() .unwrap_or(false) } -#[test] -fn test_for_is_prev2() { - crate::tests::check_pattern_is_applicable(r"fn __() { for i i$0 }", is_in_token_of_for_loop); -} - -pub(crate) fn is_in_loop_body(node: &SyntaxNode) -> bool { +fn is_in_loop_body(node: &SyntaxNode) -> bool { node.ancestors() .take_while(|it| it.kind() != SyntaxKind::FN && it.kind() != SyntaxKind::CLOSURE_EXPR) .find_map(|it| { @@ -1317,6 +1329,22 @@ fn previous_non_trivia_token(e: impl Into<SyntaxElement>) -> Option<SyntaxToken> None } +fn next_non_trivia_token(e: impl Into<SyntaxElement>) -> Option<SyntaxToken> { + let mut token = match e.into() { + SyntaxElement::Node(n) => n.last_token()?, + SyntaxElement::Token(t) => t, + } + .next_token(); + while let Some(inner) = token { + if !inner.kind().is_trivia() { + return Some(inner); + } else { + token = inner.next_token(); + } + } + None +} + fn next_non_trivia_sibling(ele: SyntaxElement) -> Option<SyntaxElement> { let mut e = ele.next_sibling_or_token(); while let Some(inner) = e { diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/item.rs b/src/tools/rust-analyzer/crates/ide-completion/src/item.rs index 657eab5b1b8..2f65491d85e 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/item.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/item.rs @@ -14,13 +14,14 @@ use crate::{ render::{render_path_resolution, RenderContext}, }; -/// `CompletionItem` describes a single completion variant in the editor pop-up. -/// It is basically a POD with various properties. To construct a -/// `CompletionItem`, use `new` method and the `Builder` struct. +/// `CompletionItem` describes a single completion entity which expands to 1 or more entries in the +/// editor pop-up. It is basically a POD with various properties. To construct a +/// [`CompletionItem`], use [`Builder::new`] method and the [`Builder`] struct. #[derive(Clone)] +#[non_exhaustive] pub struct CompletionItem { /// Label in the completion pop up which identifies completion. - label: SmolStr, + pub label: SmolStr, /// Range of identifier that is being completed. /// /// It should be used primarily for UI, but we also use this to convert @@ -29,33 +30,33 @@ pub struct CompletionItem { /// `source_range` must contain the completion offset. `text_edit` should /// start with what `source_range` points to, or VSCode will filter out the /// completion silently. - source_range: TextRange, + pub source_range: TextRange, /// What happens when user selects this item. /// /// Typically, replaces `source_range` with new identifier. - text_edit: TextEdit, - is_snippet: bool, + pub text_edit: TextEdit, + pub is_snippet: bool, /// What item (struct, function, etc) are we completing. - kind: CompletionItemKind, + pub kind: CompletionItemKind, /// Lookup is used to check if completion item indeed can complete current /// ident. /// /// That is, in `foo.bar$0` lookup of `abracadabra` will be accepted (it /// contains `bar` sub sequence), and `quux` will rejected. - lookup: Option<SmolStr>, + pub lookup: Option<SmolStr>, /// Additional info to show in the UI pop up. - detail: Option<String>, - documentation: Option<Documentation>, + pub detail: Option<String>, + pub documentation: Option<Documentation>, /// Whether this item is marked as deprecated - deprecated: bool, + pub deprecated: bool, /// If completing a function call, ask the editor to show parameter popup /// after completion. - trigger_call_info: bool, + pub trigger_call_info: bool, /// We use this to sort completion. Relevance records facts like "do the /// types align precisely?". We can't sort by relevances directly, they are @@ -64,36 +65,39 @@ pub struct CompletionItem { /// Note that Relevance ignores fuzzy match score. We compute Relevance for /// all possible items, and then separately build an ordered completion list /// based on relevance and fuzzy matching with the already typed identifier. - relevance: CompletionRelevance, + pub relevance: CompletionRelevance, /// Indicates that a reference or mutable reference to this variable is a /// possible match. - ref_match: Option<(Mutability, TextSize)>, + // FIXME: We shouldn't expose Mutability here (that is HIR types at all), its fine for now though + // until we have more splitting completions in which case we should think about + // generalizing this. See https://github.com/rust-lang/rust-analyzer/issues/12571 + pub ref_match: Option<(Mutability, TextSize)>, /// The import data to add to completion's edits. - import_to_add: SmallVec<[LocatedImport; 1]>, + pub import_to_add: SmallVec<[LocatedImport; 1]>, } // We use custom debug for CompletionItem to make snapshot tests more readable. impl fmt::Debug for CompletionItem { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { let mut s = f.debug_struct("CompletionItem"); - s.field("label", &self.label()).field("source_range", &self.source_range()); - if self.text_edit().len() == 1 { - let atom = &self.text_edit().iter().next().unwrap(); + s.field("label", &self.label).field("source_range", &self.source_range); + if self.text_edit.len() == 1 { + let atom = &self.text_edit.iter().next().unwrap(); s.field("delete", &atom.delete); s.field("insert", &atom.insert); } else { s.field("text_edit", &self.text_edit); } - s.field("kind", &self.kind()); - if self.lookup() != self.label() { + s.field("kind", &self.kind); + if self.lookup() != self.label { s.field("lookup", &self.lookup()); } - if let Some(detail) = self.detail() { + if let Some(detail) = &self.detail { s.field("detail", &detail); } - if let Some(documentation) = self.documentation() { + if let Some(documentation) = &self.documentation { s.field("documentation", &documentation); } if self.deprecated { @@ -351,63 +355,25 @@ impl CompletionItem { } } - /// What user sees in pop-up in the UI. - pub fn label(&self) -> &str { - &self.label - } - pub fn source_range(&self) -> TextRange { - self.source_range - } - - pub fn text_edit(&self) -> &TextEdit { - &self.text_edit - } - /// Whether `text_edit` is a snippet (contains `$0` markers). - pub fn is_snippet(&self) -> bool { - self.is_snippet - } - - /// Short one-line additional information, like a type - pub fn detail(&self) -> Option<&str> { - self.detail.as_deref() - } - /// A doc-comment - pub fn documentation(&self) -> Option<Documentation> { - self.documentation.clone() - } /// What string is used for filtering. pub fn lookup(&self) -> &str { self.lookup.as_deref().unwrap_or(&self.label) } - pub fn kind(&self) -> CompletionItemKind { - self.kind - } - - pub fn deprecated(&self) -> bool { - self.deprecated - } - - pub fn relevance(&self) -> CompletionRelevance { - self.relevance - } - - pub fn trigger_call_info(&self) -> bool { - self.trigger_call_info - } - - pub fn ref_match(&self) -> Option<(Mutability, TextSize, CompletionRelevance)> { + pub fn ref_match(&self) -> Option<(String, text_edit::Indel, CompletionRelevance)> { // Relevance of the ref match should be the same as the original // match, but with exact type match set because self.ref_match // is only set if there is an exact type match. let mut relevance = self.relevance; relevance.type_match = Some(CompletionRelevanceTypeMatch::Exact); - self.ref_match.map(|(mutability, offset)| (mutability, offset, relevance)) - } - - pub fn imports_to_add(&self) -> &[LocatedImport] { - &self.import_to_add + self.ref_match.map(|(mutability, offset)| { + ( + format!("&{}{}", mutability.as_keyword_for_ref(), self.label), + text_edit::Indel::insert(offset, format!("&{}", mutability.as_keyword_for_ref())), + relevance, + ) + }) } } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs b/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs index 4b48ec6bc33..6fe78111403 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/lib.rs @@ -156,13 +156,15 @@ pub fn completions( // prevent `(` from triggering unwanted completion noise if trigger_character == Some('(') { - if let CompletionAnalysis::NameRef(NameRefContext { kind, .. }) = &analysis { - if let NameRefKind::Path( - path_ctx @ PathCompletionCtx { kind: PathKind::Vis { has_in_token }, .. }, - ) = kind - { - completions::vis::complete_vis_path(&mut completions, ctx, path_ctx, has_in_token); - } + if let CompletionAnalysis::NameRef(NameRefContext { + kind: + NameRefKind::Path( + path_ctx @ PathCompletionCtx { kind: PathKind::Vis { has_in_token }, .. }, + ), + .. + }) = analysis + { + completions::vis::complete_vis_path(&mut completions, ctx, path_ctx, has_in_token); } return Some(completions.into()); } @@ -170,7 +172,7 @@ pub fn completions( { let acc = &mut completions; - match &analysis { + match analysis { CompletionAnalysis::Name(name_ctx) => completions::complete_name(acc, ctx, name_ctx), CompletionAnalysis::NameRef(name_ref_ctx) => { completions::complete_name_ref(acc, ctx, name_ref_ctx) diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/render.rs b/src/tools/rust-analyzer/crates/ide-completion/src/render.rs index d6476c10258..d99ad5f9f04 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/render.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/render.rs @@ -503,18 +503,18 @@ mod tests { #[track_caller] fn check_relevance_for_kinds(ra_fixture: &str, kinds: &[CompletionItemKind], expect: Expect) { let mut actual = get_all_items(TEST_CONFIG, ra_fixture, None); - actual.retain(|it| kinds.contains(&it.kind())); - actual.sort_by_key(|it| cmp::Reverse(it.relevance().score())); + actual.retain(|it| kinds.contains(&it.kind)); + actual.sort_by_key(|it| cmp::Reverse(it.relevance.score())); check_relevance_(actual, expect); } #[track_caller] fn check_relevance(ra_fixture: &str, expect: Expect) { let mut actual = get_all_items(TEST_CONFIG, ra_fixture, None); - actual.retain(|it| it.kind() != CompletionItemKind::Snippet); - actual.retain(|it| it.kind() != CompletionItemKind::Keyword); - actual.retain(|it| it.kind() != CompletionItemKind::BuiltinType); - actual.sort_by_key(|it| cmp::Reverse(it.relevance().score())); + actual.retain(|it| it.kind != CompletionItemKind::Snippet); + actual.retain(|it| it.kind != CompletionItemKind::Keyword); + actual.retain(|it| it.kind != CompletionItemKind::BuiltinType); + actual.sort_by_key(|it| cmp::Reverse(it.relevance.score())); check_relevance_(actual, expect); } @@ -525,12 +525,11 @@ mod tests { .flat_map(|it| { let mut items = vec![]; - let tag = it.kind().tag(); - let relevance = display_relevance(it.relevance()); - items.push(format!("{tag} {} {relevance}\n", it.label())); + let tag = it.kind.tag(); + let relevance = display_relevance(it.relevance); + items.push(format!("{tag} {} {relevance}\n", it.label)); - if let Some((mutability, _offset, relevance)) = it.ref_match() { - let label = format!("&{}{}", mutability.as_keyword_for_ref(), it.label()); + if let Some((label, _indel, relevance)) = it.ref_match() { let relevance = display_relevance(relevance); items.push(format!("{tag} {label} {relevance}\n")); @@ -587,6 +586,7 @@ fn main() { Foo::Fo$0 } ), lookup: "Foo{}", detail: "Foo { x: i32, y: i32 }", + trigger_call_info: true, }, ] "#]], @@ -614,6 +614,7 @@ fn main() { Foo::Fo$0 } ), lookup: "Foo()", detail: "Foo(i32, i32)", + trigger_call_info: true, }, ] "#]], @@ -679,6 +680,7 @@ fn main() { Foo::Fo$0 } Variant, ), detail: "Foo", + trigger_call_info: true, }, ] "#]], @@ -745,6 +747,7 @@ fn main() { let _: m::Spam = S$0 } postfix_match: None, is_definite: false, }, + trigger_call_info: true, }, CompletionItem { label: "m::Spam::Foo", @@ -770,6 +773,7 @@ fn main() { let _: m::Spam = S$0 } postfix_match: None, is_definite: false, }, + trigger_call_info: true, }, ] "#]], @@ -942,6 +946,7 @@ use self::E::*; documentation: Documentation( "variant docs", ), + trigger_call_info: true, }, CompletionItem { label: "E", diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/render/literal.rs b/src/tools/rust-analyzer/crates/ide-completion/src/render/literal.rs index 64dab02f7c5..ed78fcd8e65 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/render/literal.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/render/literal.rs @@ -113,7 +113,7 @@ fn render( item.detail(rendered.detail); match snippet_cap { - Some(snippet_cap) => item.insert_snippet(snippet_cap, rendered.literal), + Some(snippet_cap) => item.insert_snippet(snippet_cap, rendered.literal).trigger_call_info(), None => item.insert_text(rendered.literal), }; diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/render/union_literal.rs b/src/tools/rust-analyzer/crates/ide-completion/src/render/union_literal.rs index 1b09ad1731f..6e0c53ec94c 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/render/union_literal.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/render/union_literal.rs @@ -72,7 +72,7 @@ pub(crate) fn render_union_literal( .set_relevance(ctx.completion_relevance()); match ctx.snippet_cap() { - Some(snippet_cap) => item.insert_snippet(snippet_cap, literal), + Some(snippet_cap) => item.insert_snippet(snippet_cap, literal).trigger_call_info(), None => item.insert_text(literal), }; diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs index 540b0fd0ef7..1fe48b9e96f 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs @@ -23,7 +23,7 @@ mod type_pos; mod use_tree; mod visibility; -use hir::{db::DefDatabase, PrefixKind, Semantics}; +use hir::{db::DefDatabase, PrefixKind}; use ide_db::{ base_db::{fixture::ChangeFixture, FileLoader, FilePosition}, imports::insert_use::{ImportGranularity, InsertUseConfig}, @@ -31,7 +31,6 @@ use ide_db::{ }; use itertools::Itertools; use stdx::{format_to, trim_indent}; -use syntax::{AstNode, NodeOrToken, SyntaxElement}; use test_utils::assert_eq_text; use crate::{ @@ -109,10 +108,10 @@ fn completion_list_with_config( let items = get_all_items(config, ra_fixture, trigger_character); let items = items .into_iter() - .filter(|it| it.kind() != CompletionItemKind::BuiltinType || it.label() == "u32") - .filter(|it| include_keywords || it.kind() != CompletionItemKind::Keyword) - .filter(|it| include_keywords || it.kind() != CompletionItemKind::Snippet) - .sorted_by_key(|it| (it.kind(), it.label().to_owned(), it.detail().map(ToOwned::to_owned))) + .filter(|it| it.kind != CompletionItemKind::BuiltinType || it.label == "u32") + .filter(|it| include_keywords || it.kind != CompletionItemKind::Keyword) + .filter(|it| include_keywords || it.kind != CompletionItemKind::Snippet) + .sorted_by_key(|it| (it.kind, it.label.clone(), it.detail.as_ref().map(ToOwned::to_owned))) .collect(); render_completion_list(items) } @@ -139,8 +138,8 @@ pub(crate) fn do_completion_with_config( ) -> Vec<CompletionItem> { get_all_items(config, code, None) .into_iter() - .filter(|c| c.kind() == kind) - .sorted_by(|l, r| l.label().cmp(r.label())) + .filter(|c| c.kind == kind) + .sorted_by(|l, r| l.label.cmp(&r.label)) .collect() } @@ -149,18 +148,18 @@ fn render_completion_list(completions: Vec<CompletionItem>) -> String { s.chars().count() } let label_width = - completions.iter().map(|it| monospace_width(it.label())).max().unwrap_or_default().min(22); + completions.iter().map(|it| monospace_width(&it.label)).max().unwrap_or_default().min(22); completions .into_iter() .map(|it| { - let tag = it.kind().tag(); - let var_name = format!("{tag} {}", it.label()); + let tag = it.kind.tag(); + let var_name = format!("{tag} {}", it.label); let mut buf = var_name; - if let Some(detail) = it.detail() { - let width = label_width.saturating_sub(monospace_width(it.label())); + if let Some(detail) = it.detail { + let width = label_width.saturating_sub(monospace_width(&it.label)); format_to!(buf, "{:width$} {}", "", detail, width = width); } - if it.deprecated() { + if it.deprecated { format_to!(buf, " DEPRECATED"); } format_to!(buf, "\n"); @@ -192,13 +191,13 @@ pub(crate) fn check_edit_with_config( .unwrap_or_else(|| panic!("can't find {what:?} completion in {completions:#?}")); let mut actual = db.file_text(position.file_id).to_string(); - let mut combined_edit = completion.text_edit().to_owned(); + let mut combined_edit = completion.text_edit.clone(); resolve_completion_edits( &db, &config, position, - completion.imports_to_add().iter().filter_map(|import_edit| { + completion.import_to_add.iter().filter_map(|import_edit| { let import_path = &import_edit.import_path; let import_name = import_path.segments().last()?; Some((import_path.to_string(), import_name.to_string())) @@ -216,15 +215,6 @@ pub(crate) fn check_edit_with_config( assert_eq_text!(&ra_fixture_after, &actual) } -pub(crate) fn check_pattern_is_applicable(code: &str, check: impl FnOnce(SyntaxElement) -> bool) { - let (db, pos) = position(code); - - let sema = Semantics::new(&db); - let original_file = sema.parse(pos.file_id); - let token = original_file.syntax().token_at_offset(pos.offset).left_biased().unwrap(); - assert!(check(NodeOrToken::Token(token))); -} - pub(crate) fn get_all_items( config: CompletionConfig, code: &str, @@ -235,7 +225,7 @@ pub(crate) fn get_all_items( .map_or_else(Vec::default, Into::into); // validate res.iter().for_each(|it| { - let sr = it.source_range(); + let sr = it.source_range; assert!( sr.contains_inclusive(position.offset), "source range {sr:?} does not contain the offset {:?} of the completion request: {it:?}", @@ -246,8 +236,9 @@ pub(crate) fn get_all_items( } #[test] -fn test_no_completions_required() { +fn test_no_completions_in_for_loop_in_kw_pos() { assert_eq!(completion_list(r#"fn foo() { for i i$0 }"#), String::new()); + assert_eq!(completion_list(r#"fn foo() { for i in$0 }"#), String::new()); } #[test] diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs index 043f552bd8a..c1c6a689eb1 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/expression.rs @@ -745,3 +745,255 @@ fn return_value_no_block() { r#"fn f() -> i32 { match () { () => return $0 } }"#, ); } + +#[test] +fn else_completion_after_if() { + check_empty( + r#" +fn foo() { if foo {} $0 } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw const + kw crate:: + kw else + kw else if + kw enum + kw extern + kw false + kw fn + kw for + kw if + kw if let + kw impl + kw let + kw loop + kw match + kw mod + kw return + kw self:: + kw static + kw struct + kw trait + kw true + kw type + kw union + kw unsafe + kw use + kw while + kw while let + sn macro_rules + sn pd + sn ppd + "#]], + ); + check_empty( + r#" +fn foo() { if foo {} el$0 } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw const + kw crate:: + kw else + kw else if + kw enum + kw extern + kw false + kw fn + kw for + kw if + kw if let + kw impl + kw let + kw loop + kw match + kw mod + kw return + kw self:: + kw static + kw struct + kw trait + kw true + kw type + kw union + kw unsafe + kw use + kw while + kw while let + sn macro_rules + sn pd + sn ppd + "#]], + ); + check_empty( + r#" +fn foo() { bar(if foo {} $0) } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw crate:: + kw else + kw else if + kw false + kw for + kw if + kw if let + kw loop + kw match + kw return + kw self:: + kw true + kw unsafe + kw while + kw while let + "#]], + ); + check_empty( + r#" +fn foo() { bar(if foo {} el$0) } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw crate:: + kw else + kw else if + kw false + kw for + kw if + kw if let + kw loop + kw match + kw return + kw self:: + kw true + kw unsafe + kw while + kw while let + "#]], + ); + check_empty( + r#" +fn foo() { if foo {} $0 let x = 92; } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw const + kw crate:: + kw else + kw else if + kw enum + kw extern + kw false + kw fn + kw for + kw if + kw if let + kw impl + kw let + kw loop + kw match + kw mod + kw return + kw self:: + kw static + kw struct + kw trait + kw true + kw type + kw union + kw unsafe + kw use + kw while + kw while let + sn macro_rules + sn pd + sn ppd + "#]], + ); + check_empty( + r#" +fn foo() { if foo {} el$0 let x = 92; } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw const + kw crate:: + kw else + kw else if + kw enum + kw extern + kw false + kw fn + kw for + kw if + kw if let + kw impl + kw let + kw loop + kw match + kw mod + kw return + kw self:: + kw static + kw struct + kw trait + kw true + kw type + kw union + kw unsafe + kw use + kw while + kw while let + sn macro_rules + sn pd + sn ppd + "#]], + ); + check_empty( + r#" +fn foo() { if foo {} el$0 { let x = 92; } } +"#, + expect![[r#" + fn foo() fn() + bt u32 + kw const + kw crate:: + kw else + kw else if + kw enum + kw extern + kw false + kw fn + kw for + kw if + kw if let + kw impl + kw let + kw loop + kw match + kw mod + kw return + kw self:: + kw static + kw struct + kw trait + kw true + kw type + kw union + kw unsafe + kw use + kw while + kw while let + sn macro_rules + sn pd + sn ppd + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs index 6052b062320..cb71c7b2bde 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs @@ -2,13 +2,20 @@ use expect_test::{expect, Expect}; -use crate::tests::{check_edit, completion_list_no_kw, completion_list_with_trigger_character}; +use crate::tests::{ + check_edit, completion_list, completion_list_no_kw, completion_list_with_trigger_character, +}; -fn check(ra_fixture: &str, expect: Expect) { +fn check_no_kw(ra_fixture: &str, expect: Expect) { let actual = completion_list_no_kw(ra_fixture); expect.assert_eq(&actual) } +fn check(ra_fixture: &str, expect: Expect) { + let actual = completion_list(ra_fixture); + expect.assert_eq(&actual) +} + pub(crate) fn check_with_trigger_character( ra_fixture: &str, trigger_character: Option<char>, @@ -59,7 +66,7 @@ fn _alpha() {} #[test] fn completes_prelude() { - check( + check_no_kw( r#" //- /main.rs edition:2018 crate:main deps:std fn foo() { let x: $0 } @@ -81,7 +88,7 @@ pub mod prelude { #[test] fn completes_prelude_macros() { - check( + check_no_kw( r#" //- /main.rs edition:2018 crate:main deps:std fn f() {$0} @@ -110,7 +117,7 @@ mod macros { #[test] fn completes_std_prelude_if_core_is_defined() { - check( + check_no_kw( r#" //- /main.rs crate:main deps:core,std fn foo() { let x: $0 } @@ -140,7 +147,7 @@ pub mod prelude { #[test] fn respects_doc_hidden() { - check( + check_no_kw( r#" //- /lib.rs crate:lib deps:std fn f() { @@ -168,7 +175,7 @@ pub mod prelude { #[test] fn respects_doc_hidden_in_assoc_item_list() { - check( + check_no_kw( r#" //- /lib.rs crate:lib deps:std struct S; @@ -195,7 +202,7 @@ pub mod prelude { #[test] fn associated_item_visibility() { - check( + check_no_kw( r#" //- /lib.rs crate:lib new_source_root:library pub struct S; @@ -222,7 +229,7 @@ fn foo() { let _ = lib::S::$0 } #[test] fn completes_union_associated_method() { - check( + check_no_kw( r#" union U {}; impl U { fn m() { } } @@ -237,7 +244,7 @@ fn foo() { let _ = U::$0 } #[test] fn completes_trait_associated_method_1() { - check( + check_no_kw( r#" trait Trait { fn m(); } @@ -251,7 +258,7 @@ fn foo() { let _ = Trait::$0 } #[test] fn completes_trait_associated_method_2() { - check( + check_no_kw( r#" trait Trait { fn m(); } @@ -268,7 +275,7 @@ fn foo() { let _ = S::$0 } #[test] fn completes_trait_associated_method_3() { - check( + check_no_kw( r#" trait Trait { fn m(); } @@ -285,7 +292,7 @@ fn foo() { let _ = <S as Trait>::$0 } #[test] fn completes_ty_param_assoc_ty() { - check( + check_no_kw( r#" trait Super { type Ty; @@ -318,7 +325,7 @@ fn foo<T: Sub>() { T::$0 } #[test] fn completes_self_param_assoc_ty() { - check( + check_no_kw( r#" trait Super { type Ty; @@ -358,7 +365,7 @@ impl<T> Sub for Wrap<T> { #[test] fn completes_type_alias() { - check( + check_no_kw( r#" struct S; impl S { fn foo() {} } @@ -376,7 +383,7 @@ fn main() { T::$0; } #[test] fn completes_qualified_macros() { - check( + check_no_kw( r#" #[macro_export] macro_rules! foo { () => {} } @@ -392,7 +399,7 @@ fn main() { let _ = crate::$0 } #[test] fn does_not_complete_non_fn_macros() { - check( + check_no_kw( r#" mod m { #[rustc_builtin_macro] @@ -403,7 +410,7 @@ fn f() {m::$0} "#, expect![[r#""#]], ); - check( + check_no_kw( r#" mod m { #[rustc_builtin_macro] @@ -418,7 +425,7 @@ fn f() {m::$0} #[test] fn completes_reexported_items_under_correct_name() { - check( + check_no_kw( r#" fn foo() { self::m::$0 } @@ -475,7 +482,7 @@ mod p { #[test] fn completes_in_simple_macro_call() { - check( + check_no_kw( r#" macro_rules! m { ($e:expr) => { $e } } fn main() { m!(self::f$0); } @@ -490,7 +497,7 @@ fn foo() {} #[test] fn function_mod_share_name() { - check( + check_no_kw( r#" fn foo() { self::m::$0 } @@ -508,7 +515,7 @@ mod m { #[test] fn completes_hashmap_new() { - check( + check_no_kw( r#" struct RandomState; struct HashMap<K, V, S = RandomState> {} @@ -529,7 +536,7 @@ fn foo() { #[test] fn completes_variant_through_self() { cov_mark::check!(completes_variant_through_self); - check( + check_no_kw( r#" enum Foo { Bar, @@ -552,7 +559,7 @@ impl Foo { #[test] fn completes_non_exhaustive_variant_within_the_defining_crate() { - check( + check_no_kw( r#" enum Foo { #[non_exhaustive] @@ -570,7 +577,7 @@ fn foo(self) { "#]], ); - check( + check_no_kw( r#" //- /main.rs crate:main deps:e fn foo(self) { @@ -593,7 +600,7 @@ enum Foo { #[test] fn completes_primitive_assoc_const() { cov_mark::check!(completes_primitive_assoc_const); - check( + check_no_kw( r#" //- /lib.rs crate:lib deps:core fn f() { @@ -618,7 +625,7 @@ impl u8 { #[test] fn completes_variant_through_alias() { cov_mark::check!(completes_variant_through_alias); - check( + check_no_kw( r#" enum Foo { Bar @@ -636,7 +643,7 @@ fn main() { #[test] fn respects_doc_hidden2() { - check( + check_no_kw( r#" //- /lib.rs crate:lib deps:dep fn f() { @@ -665,7 +672,7 @@ pub mod m {} #[test] fn type_anchor_empty() { - check( + check_no_kw( r#" trait Foo { fn foo() -> Self; @@ -688,7 +695,7 @@ fn bar() -> Bar { #[test] fn type_anchor_type() { - check( + check_no_kw( r#" trait Foo { fn foo() -> Self; @@ -715,7 +722,7 @@ fn bar() -> Bar { #[test] fn type_anchor_type_trait() { - check( + check_no_kw( r#" trait Foo { fn foo() -> Self; @@ -741,7 +748,7 @@ fn bar() -> Bar { #[test] fn completes_fn_in_pub_trait_generated_by_macro() { - check( + check_no_kw( r#" mod other_mod { macro_rules! make_method { @@ -775,7 +782,7 @@ fn main() { #[test] fn completes_fn_in_pub_trait_generated_by_recursive_macro() { - check( + check_no_kw( r#" mod other_mod { macro_rules! make_method { @@ -815,7 +822,7 @@ fn main() { #[test] fn completes_const_in_pub_trait_generated_by_macro() { - check( + check_no_kw( r#" mod other_mod { macro_rules! make_const { @@ -847,7 +854,7 @@ fn main() { #[test] fn completes_locals_from_macros() { - check( + check_no_kw( r#" macro_rules! x { @@ -875,7 +882,7 @@ fn main() { #[test] fn regression_12644() { - check( + check_no_kw( r#" macro_rules! __rust_force_expr { ($e:expr) => { @@ -974,7 +981,7 @@ fn foo { crate:::$0 } "#, expect![""], ); - check( + check_no_kw( r#" fn foo { crate::::$0 } "#, diff --git a/src/tools/rust-analyzer/crates/ide-db/Cargo.toml b/src/tools/rust-analyzer/crates/ide-db/Cargo.toml index 9672bb9b7b5..57daaf623df 100644 --- a/src/tools/rust-analyzer/crates/ide-db/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-db/Cargo.toml @@ -37,8 +37,9 @@ text-edit.workspace = true hir.workspace = true [dev-dependencies] -xshell = "0.2.2" expect-test = "1.4.0" +oorandom = "11.1.3" +xshell = "0.2.2" # local deps test-utils.workspace = true diff --git a/src/tools/rust-analyzer/crates/ide-db/src/active_parameter.rs b/src/tools/rust-analyzer/crates/ide-db/src/active_parameter.rs index 7109c6fd188..2b6b60547b3 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/active_parameter.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/active_parameter.rs @@ -2,9 +2,10 @@ use either::Either; use hir::{Semantics, Type}; +use parser::T; use syntax::{ ast::{self, HasArgList, HasName}, - AstNode, SyntaxToken, + match_ast, AstNode, NodeOrToken, SyntaxToken, }; use crate::RootDatabase; @@ -58,7 +59,7 @@ pub fn callable_for_node( calling_node: &ast::CallableExpr, token: &SyntaxToken, ) -> Option<(hir::Callable, Option<usize>)> { - let callable = match &calling_node { + let callable = match calling_node { ast::CallableExpr::Call(call) => { let expr = call.expr()?; sema.type_of_expr(&expr)?.adjusted().as_callable(sema.db) @@ -66,13 +67,78 @@ pub fn callable_for_node( ast::CallableExpr::MethodCall(call) => sema.resolve_method_call_as_callable(call), }?; let active_param = if let Some(arg_list) = calling_node.arg_list() { - let param = arg_list - .args() - .take_while(|arg| arg.syntax().text_range().end() <= token.text_range().start()) - .count(); - Some(param) + Some( + arg_list + .syntax() + .children_with_tokens() + .filter_map(NodeOrToken::into_token) + .filter(|t| t.kind() == T![,]) + .take_while(|t| t.text_range().start() <= token.text_range().start()) + .count(), + ) } else { None }; Some((callable, active_param)) } + +pub fn generic_def_for_node( + sema: &Semantics<'_, RootDatabase>, + generic_arg_list: &ast::GenericArgList, + token: &SyntaxToken, +) -> Option<(hir::GenericDef, usize, bool)> { + let parent = generic_arg_list.syntax().parent()?; + let def = match_ast! { + match parent { + ast::PathSegment(ps) => { + let res = sema.resolve_path(&ps.parent_path())?; + let generic_def: hir::GenericDef = match res { + hir::PathResolution::Def(hir::ModuleDef::Adt(it)) => it.into(), + hir::PathResolution::Def(hir::ModuleDef::Function(it)) => it.into(), + hir::PathResolution::Def(hir::ModuleDef::Trait(it)) => it.into(), + hir::PathResolution::Def(hir::ModuleDef::TypeAlias(it)) => it.into(), + hir::PathResolution::Def(hir::ModuleDef::Variant(it)) => it.into(), + hir::PathResolution::Def(hir::ModuleDef::BuiltinType(_)) + | hir::PathResolution::Def(hir::ModuleDef::Const(_)) + | hir::PathResolution::Def(hir::ModuleDef::Macro(_)) + | hir::PathResolution::Def(hir::ModuleDef::Module(_)) + | hir::PathResolution::Def(hir::ModuleDef::Static(_)) => return None, + hir::PathResolution::BuiltinAttr(_) + | hir::PathResolution::ToolModule(_) + | hir::PathResolution::Local(_) + | hir::PathResolution::TypeParam(_) + | hir::PathResolution::ConstParam(_) + | hir::PathResolution::SelfType(_) + | hir::PathResolution::DeriveHelper(_) => return None, + }; + + generic_def + }, + ast::AssocTypeArg(_) => { + // FIXME: We don't record the resolutions for this anywhere atm + return None; + }, + ast::MethodCallExpr(mcall) => { + // recv.method::<$0>() + let method = sema.resolve_method_call(&mcall)?; + method.into() + }, + _ => return None, + } + }; + + let active_param = generic_arg_list + .syntax() + .children_with_tokens() + .filter_map(NodeOrToken::into_token) + .filter(|t| t.kind() == T![,]) + .take_while(|t| t.text_range().start() <= token.text_range().start()) + .count(); + + let first_arg_is_non_lifetime = generic_arg_list + .generic_args() + .next() + .map_or(false, |arg| !matches!(arg, ast::GenericArg::LifetimeArg(_))); + + Some((def, active_param, first_arg_is_non_lifetime)) +} diff --git a/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs b/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs index 8f12ab33409..16814a1e636 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs @@ -7,56 +7,72 @@ use syntax::{TextRange, TextSize}; #[derive(Clone, Debug, PartialEq, Eq)] pub struct LineIndex { - /// Offset the the beginning of each line, zero-based + /// Offset the beginning of each line, zero-based. pub(crate) newlines: Vec<TextSize>, - /// List of non-ASCII characters on each line - pub(crate) utf16_lines: NoHashHashMap<u32, Vec<Utf16Char>>, + /// List of non-ASCII characters on each line. + pub(crate) line_wide_chars: NoHashHashMap<u32, Vec<WideChar>>, } +/// Line/Column information in native, utf8 format. #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] -pub struct LineColUtf16 { +pub struct LineCol { /// Zero-based pub line: u32, - /// Zero-based + /// Zero-based utf8 offset pub col: u32, } #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] -pub struct LineCol { +pub enum WideEncoding { + Utf16, + Utf32, +} + +/// Line/Column information in legacy encodings. +/// +/// Deliberately not a generic type and different from `LineCol`. +#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] +pub struct WideLineCol { /// Zero-based pub line: u32, - /// Zero-based utf8 offset + /// Zero-based pub col: u32, } #[derive(Clone, Debug, Hash, PartialEq, Eq)] -pub(crate) struct Utf16Char { +pub(crate) struct WideChar { /// Start offset of a character inside a line, zero-based pub(crate) start: TextSize, /// End offset of a character inside a line, zero-based pub(crate) end: TextSize, } -impl Utf16Char { +impl WideChar { /// Returns the length in 8-bit UTF-8 code units. fn len(&self) -> TextSize { self.end - self.start } - /// Returns the length in 16-bit UTF-16 code units. - fn len_utf16(&self) -> usize { - if self.len() == TextSize::from(4) { - 2 - } else { - 1 + /// Returns the length in UTF-16 or UTF-32 code units. + fn wide_len(&self, enc: WideEncoding) -> usize { + match enc { + WideEncoding::Utf16 => { + if self.len() == TextSize::from(4) { + 2 + } else { + 1 + } + } + + WideEncoding::Utf32 => 1, } } } impl LineIndex { pub fn new(text: &str) -> LineIndex { - let mut utf16_lines = NoHashHashMap::default(); - let mut utf16_chars = Vec::new(); + let mut line_wide_chars = NoHashHashMap::default(); + let mut wide_chars = Vec::new(); let mut newlines = Vec::with_capacity(16); newlines.push(TextSize::from(0)); @@ -71,8 +87,8 @@ impl LineIndex { newlines.push(curr_row); // Save any utf-16 characters seen in the previous line - if !utf16_chars.is_empty() { - utf16_lines.insert(line, mem::take(&mut utf16_chars)); + if !wide_chars.is_empty() { + line_wide_chars.insert(line, mem::take(&mut wide_chars)); } // Prepare for processing the next line @@ -82,18 +98,18 @@ impl LineIndex { } if !c.is_ascii() { - utf16_chars.push(Utf16Char { start: curr_col, end: curr_col + c_len }); + wide_chars.push(WideChar { start: curr_col, end: curr_col + c_len }); } curr_col += c_len; } // Save any utf-16 characters seen in the last line - if !utf16_chars.is_empty() { - utf16_lines.insert(line, utf16_chars); + if !wide_chars.is_empty() { + line_wide_chars.insert(line, wide_chars); } - LineIndex { newlines, utf16_lines } + LineIndex { newlines, line_wide_chars } } pub fn line_col(&self, offset: TextSize) -> LineCol { @@ -109,13 +125,13 @@ impl LineIndex { .map(|offset| offset + TextSize::from(line_col.col)) } - pub fn to_utf16(&self, line_col: LineCol) -> LineColUtf16 { - let col = self.utf8_to_utf16_col(line_col.line, line_col.col.into()); - LineColUtf16 { line: line_col.line, col: col as u32 } + pub fn to_wide(&self, enc: WideEncoding, line_col: LineCol) -> WideLineCol { + let col = self.utf8_to_wide_col(enc, line_col.line, line_col.col.into()); + WideLineCol { line: line_col.line, col: col as u32 } } - pub fn to_utf8(&self, line_col: LineColUtf16) -> LineCol { - let col = self.utf16_to_utf8_col(line_col.line, line_col.col); + pub fn to_utf8(&self, enc: WideEncoding, line_col: WideLineCol) -> LineCol { + let col = self.wide_to_utf8_col(enc, line_col.line, line_col.col); LineCol { line: line_col.line, col: col.into() } } @@ -132,12 +148,12 @@ impl LineIndex { .filter(|it| !it.is_empty()) } - fn utf8_to_utf16_col(&self, line: u32, col: TextSize) -> usize { + fn utf8_to_wide_col(&self, enc: WideEncoding, line: u32, col: TextSize) -> usize { let mut res: usize = col.into(); - if let Some(utf16_chars) = self.utf16_lines.get(&line) { - for c in utf16_chars { + if let Some(wide_chars) = self.line_wide_chars.get(&line) { + for c in wide_chars { if c.end <= col { - res -= usize::from(c.len()) - c.len_utf16(); + res -= usize::from(c.len()) - c.wide_len(enc); } else { // From here on, all utf16 characters come *after* the character we are mapping, // so we don't need to take them into account @@ -148,11 +164,11 @@ impl LineIndex { res } - fn utf16_to_utf8_col(&self, line: u32, mut col: u32) -> TextSize { - if let Some(utf16_chars) = self.utf16_lines.get(&line) { - for c in utf16_chars { + fn wide_to_utf8_col(&self, enc: WideEncoding, line: u32, mut col: u32) -> TextSize { + if let Some(wide_chars) = self.line_wide_chars.get(&line) { + for c in wide_chars { if col > u32::from(c.start) { - col += u32::from(c.len()) - c.len_utf16() as u32; + col += u32::from(c.len()) - c.wide_len(enc) as u32; } else { // From here on, all utf16 characters come *after* the character we are mapping, // so we don't need to take them into account @@ -167,6 +183,9 @@ impl LineIndex { #[cfg(test)] mod tests { + use test_utils::skip_slow_tests; + + use super::WideEncoding::{Utf16, Utf32}; use super::*; #[test] @@ -210,67 +229,59 @@ mod tests { const C: char = 'x'; ", ); - assert_eq!(col_index.utf16_lines.len(), 0); + assert_eq!(col_index.line_wide_chars.len(), 0); } #[test] - fn test_single_char() { - let col_index = LineIndex::new( - " -const C: char = 'メ'; -", - ); - - assert_eq!(col_index.utf16_lines.len(), 1); - assert_eq!(col_index.utf16_lines[&1].len(), 1); - assert_eq!(col_index.utf16_lines[&1][0], Utf16Char { start: 17.into(), end: 20.into() }); - - // UTF-8 to UTF-16, no changes - assert_eq!(col_index.utf8_to_utf16_col(1, 15.into()), 15); - - // UTF-8 to UTF-16 - assert_eq!(col_index.utf8_to_utf16_col(1, 22.into()), 20); - - // UTF-16 to UTF-8, no changes - assert_eq!(col_index.utf16_to_utf8_col(1, 15), TextSize::from(15)); - - // UTF-16 to UTF-8 - assert_eq!(col_index.utf16_to_utf8_col(1, 19), TextSize::from(21)); - - let col_index = LineIndex::new("a𐐏b"); - assert_eq!(col_index.utf16_to_utf8_col(0, 3), TextSize::from(5)); - } - - #[test] - fn test_string() { - let col_index = LineIndex::new( - " -const C: char = \"メ メ\"; -", - ); - - assert_eq!(col_index.utf16_lines.len(), 1); - assert_eq!(col_index.utf16_lines[&1].len(), 2); - assert_eq!(col_index.utf16_lines[&1][0], Utf16Char { start: 17.into(), end: 20.into() }); - assert_eq!(col_index.utf16_lines[&1][1], Utf16Char { start: 21.into(), end: 24.into() }); - - // UTF-8 to UTF-16 - assert_eq!(col_index.utf8_to_utf16_col(1, 15.into()), 15); - - assert_eq!(col_index.utf8_to_utf16_col(1, 21.into()), 19); - assert_eq!(col_index.utf8_to_utf16_col(1, 25.into()), 21); - - assert!(col_index.utf8_to_utf16_col(2, 15.into()) == 15); - - // UTF-16 to UTF-8 - assert_eq!(col_index.utf16_to_utf8_col(1, 15), TextSize::from(15)); + fn test_every_chars() { + if skip_slow_tests() { + return; + } - // メ UTF-8: 0xE3 0x83 0xA1, UTF-16: 0x30E1 - assert_eq!(col_index.utf16_to_utf8_col(1, 17), TextSize::from(17)); // first メ at 17..20 - assert_eq!(col_index.utf16_to_utf8_col(1, 18), TextSize::from(20)); // space - assert_eq!(col_index.utf16_to_utf8_col(1, 19), TextSize::from(21)); // second メ at 21..24 + let text: String = { + let mut chars: Vec<char> = ((0 as char)..char::MAX).collect(); // Neat! + chars.extend("\n".repeat(chars.len() / 16).chars()); + let mut rng = oorandom::Rand32::new(stdx::rand::seed()); + stdx::rand::shuffle(&mut chars, |i| rng.rand_range(0..i as u32) as usize); + chars.into_iter().collect() + }; + assert!(text.contains('💩')); // Sanity check. + + let line_index = LineIndex::new(&text); + + let mut lin_col = LineCol { line: 0, col: 0 }; + let mut col_utf16 = 0; + let mut col_utf32 = 0; + for (offset, c) in text.char_indices() { + let got_offset = line_index.offset(lin_col).unwrap(); + assert_eq!(usize::from(got_offset), offset); + + let got_lin_col = line_index.line_col(got_offset); + assert_eq!(got_lin_col, lin_col); + + for enc in [Utf16, Utf32] { + let wide_lin_col = line_index.to_wide(enc, lin_col); + let got_lin_col = line_index.to_utf8(enc, wide_lin_col); + assert_eq!(got_lin_col, lin_col); + + let want_col = match enc { + Utf16 => col_utf16, + Utf32 => col_utf32, + }; + assert_eq!(wide_lin_col.col, want_col) + } - assert_eq!(col_index.utf16_to_utf8_col(2, 15), TextSize::from(15)); + if c == '\n' { + lin_col.line += 1; + lin_col.col = 0; + col_utf16 = 0; + col_utf32 = 0; + } else { + lin_col.col += c.len_utf8() as u32; + col_utf16 += c.len_utf16() as u32; + col_utf32 += 1; + } + } } #[test] diff --git a/src/tools/rust-analyzer/crates/ide-db/src/search.rs b/src/tools/rust-analyzer/crates/ide-db/src/search.rs index ada2821d6b1..c18a27f17d2 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/search.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/search.rs @@ -455,15 +455,21 @@ impl<'a> FindUsages<'a> { } let find_nodes = move |name: &str, node: &syntax::SyntaxNode, offset: TextSize| { - node.token_at_offset(offset).find(|it| it.text() == name).map(|token| { - // FIXME: There should be optimization potential here - // Currently we try to descend everything we find which - // means we call `Semantics::descend_into_macros` on - // every textual hit. That function is notoriously - // expensive even for things that do not get down mapped - // into macros. - sema.descend_into_macros(token).into_iter().filter_map(|it| it.parent()) - }) + node.token_at_offset(offset) + .find(|it| { + // `name` is stripped of raw ident prefix. See the comment on name retrieval above. + it.text().trim_start_matches("r#") == name + }) + .into_iter() + .flat_map(|token| { + // FIXME: There should be optimization potential here + // Currently we try to descend everything we find which + // means we call `Semantics::descend_into_macros` on + // every textual hit. That function is notoriously + // expensive even for things that do not get down mapped + // into macros. + sema.descend_into_macros(token).into_iter().filter_map(|it| it.parent()) + }) }; for (text, file_id, search_range) in scope_files(sema, &search_scope) { @@ -471,30 +477,23 @@ impl<'a> FindUsages<'a> { // Search for occurrences of the items name for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes(name, &tree, offset) { - for name in iter.filter_map(ast::NameLike::cast) { - if match name { - ast::NameLike::NameRef(name_ref) => { - self.found_name_ref(&name_ref, sink) - } - ast::NameLike::Name(name) => self.found_name(&name, sink), - ast::NameLike::Lifetime(lifetime) => { - self.found_lifetime(&lifetime, sink) - } - } { - return; - } + for name in find_nodes(name, &tree, offset).filter_map(ast::NameLike::cast) { + if match name { + ast::NameLike::NameRef(name_ref) => self.found_name_ref(&name_ref, sink), + ast::NameLike::Name(name) => self.found_name(&name, sink), + ast::NameLike::Lifetime(lifetime) => self.found_lifetime(&lifetime, sink), + } { + return; } } } // Search for occurrences of the `Self` referring to our type if let Some((self_ty, finder)) = &include_self_kw_refs { for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes("Self", &tree, offset) { - for name_ref in iter.filter_map(ast::NameRef::cast) { - if self.found_self_ty_name_ref(self_ty, &name_ref, sink) { - return; - } + for name_ref in find_nodes("Self", &tree, offset).filter_map(ast::NameRef::cast) + { + if self.found_self_ty_name_ref(self_ty, &name_ref, sink) { + return; } } } @@ -513,21 +512,21 @@ impl<'a> FindUsages<'a> { let tree = Lazy::new(move || sema.parse(file_id).syntax().clone()); for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes("super", &tree, offset) { - for name_ref in iter.filter_map(ast::NameRef::cast) { - if self.found_name_ref(&name_ref, sink) { - return; - } + for name_ref in + find_nodes("super", &tree, offset).filter_map(ast::NameRef::cast) + { + if self.found_name_ref(&name_ref, sink) { + return; } } } if let Some(finder) = &is_crate_root { for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes("crate", &tree, offset) { - for name_ref in iter.filter_map(ast::NameRef::cast) { - if self.found_name_ref(&name_ref, sink) { - return; - } + for name_ref in + find_nodes("crate", &tree, offset).filter_map(ast::NameRef::cast) + { + if self.found_name_ref(&name_ref, sink) { + return; } } } @@ -566,11 +565,10 @@ impl<'a> FindUsages<'a> { let finder = &Finder::new("self"); for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes("self", &tree, offset) { - for name_ref in iter.filter_map(ast::NameRef::cast) { - if self.found_self_module_name_ref(&name_ref, sink) { - return; - } + for name_ref in find_nodes("self", &tree, offset).filter_map(ast::NameRef::cast) + { + if self.found_self_module_name_ref(&name_ref, sink) { + return; } } } diff --git a/src/tools/rust-analyzer/crates/ide/Cargo.toml b/src/tools/rust-analyzer/crates/ide/Cargo.toml index 414c08ff7e0..30e514e4136 100644 --- a/src/tools/rust-analyzer/crates/ide/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide/Cargo.toml @@ -22,7 +22,7 @@ pulldown-cmark-to-cmark = "10.0.4" pulldown-cmark = { version = "0.9.1", default-features = false } url = "2.3.1" dot = "0.1.4" -smallvec = "1.10.0" +smallvec.workspace = true # local deps cfg.workspace = true diff --git a/src/tools/rust-analyzer/crates/ide/src/hover.rs b/src/tools/rust-analyzer/crates/ide/src/hover.rs index 2058a4f5f19..5f2c61f5b5f 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover.rs @@ -201,6 +201,23 @@ fn hover_simple( Some(render::struct_rest_pat(sema, config, &record_pat)) }) + }) + // try () call hovers + .or_else(|| { + descended().find_map(|token| { + if token.kind() != T!['('] && token.kind() != T![')'] { + return None; + } + let arg_list = token.parent().and_then(ast::ArgList::cast)?.syntax().parent()?; + let call_expr = syntax::match_ast! { + match arg_list { + ast::CallExpr(expr) => expr.into(), + ast::MethodCallExpr(expr) => expr.into(), + _ => return None, + } + }; + render::type_info_of(sema, config, &Either::Left(call_expr)) + }) }); result.map(|mut res: HoverResult| { diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs index 2830212add8..bd7ce2f1d0d 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs @@ -5612,3 +5612,38 @@ fn main() { "#, ); } + +#[test] +fn hover_call_parens() { + check( + r#" +fn foo() -> i32 {} +fn main() { + foo($0); +} +"#, + expect![[r#" + *)* + ```rust + i32 + ``` + "#]], + ); + check( + r#" +struct S; +impl S { + fn foo(self) -> i32 {} +} +fn main() { + S.foo($0); +} +"#, + expect![[r#" + *)* + ```rust + i32 + ``` + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs index 11b9cd269bf..5d9729263c2 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs @@ -29,8 +29,17 @@ pub(super) fn hints( _ => None, }) .last(); - let range = - outer_paren_pat.as_ref().map_or_else(|| pat.syntax(), |it| it.syntax()).text_range(); + let range = outer_paren_pat.as_ref().map_or_else( + || match pat { + // for ident patterns that @ bind a name, render the un-ref patterns in front of the inner pattern + // instead of the name as that makes it more clear and doesn't really change the outcome + ast::Pat::IdentPat(it) => { + it.pat().map_or_else(|| it.syntax().text_range(), |it| it.syntax().text_range()) + } + it => it.syntax().text_range(), + }, + |it| it.syntax().text_range(), + ); let pattern_adjustments = sema.pattern_adjustments(pat); pattern_adjustments.iter().for_each(|ty| { let reference = ty.is_reference(); @@ -123,4 +132,20 @@ fn __( }"#, ); } + + #[test] + fn hints_binding_modes_complex_ident_pat() { + check_with_config( + InlayHintsConfig { binding_mode_hints: true, ..DISABLED_CONFIG }, + r#" +struct Struct { + field: &'static str, +} +fn foo(s @ Struct { field, .. }: &Struct) {} + //^^^^^^^^^^^^^^^^^^^^^^^^ref + //^^^^^^^^^^^^^^^^^^^^& + //^^^^^ref +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/lib.rs b/src/tools/rust-analyzer/crates/ide/src/lib.rs index 4ead9d4d0a8..f2b535bdc7e 100644 --- a/src/tools/rust-analyzer/crates/ide/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide/src/lib.rs @@ -115,7 +115,7 @@ pub use ide_db::{ SourceRoot, SourceRootId, }, label::Label, - line_index::{LineCol, LineColUtf16, LineIndex}, + line_index::{LineCol, LineIndex}, search::{ReferenceCategory, SearchScope}, source_change::{FileSystemEdit, SourceChange}, symbol_index::Query, diff --git a/src/tools/rust-analyzer/crates/ide/src/references.rs b/src/tools/rust-analyzer/crates/ide/src/references.rs index 60fb1544a8f..cabbc287279 100644 --- a/src/tools/rust-analyzer/crates/ide/src/references.rs +++ b/src/tools/rust-analyzer/crates/ide/src/references.rs @@ -2016,4 +2016,19 @@ fn method$0() {} "#]], ); } + + #[test] + fn raw_identifier() { + check( + r#" +fn r#fn$0() {} +fn main() { r#fn(); } +"#, + expect![[r#" + r#fn Function FileId(0) 0..12 3..7 + + FileId(0) 25..29 + "#]], + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/rename.rs b/src/tools/rust-analyzer/crates/ide/src/rename.rs index 8e89160ef5e..c0237e1edd0 100644 --- a/src/tools/rust-analyzer/crates/ide/src/rename.rs +++ b/src/tools/rust-analyzer/crates/ide/src/rename.rs @@ -1371,7 +1371,6 @@ pub fn baz() {} #[test] fn test_rename_mod_from_raw_ident() { - // FIXME: `r#fn` in path expression is not renamed. check_expect( "foo", r#" @@ -1397,6 +1396,10 @@ pub fn baz() {} insert: "foo", delete: 4..8, }, + Indel { + insert: "foo", + delete: 23..27, + }, ], }, }, diff --git a/src/tools/rust-analyzer/crates/ide/src/shuffle_crate_graph.rs b/src/tools/rust-analyzer/crates/ide/src/shuffle_crate_graph.rs index ae539a5d397..e606072a823 100644 --- a/src/tools/rust-analyzer/crates/ide/src/shuffle_crate_graph.rs +++ b/src/tools/rust-analyzer/crates/ide/src/shuffle_crate_graph.rs @@ -18,7 +18,9 @@ pub(crate) fn shuffle_crate_graph(db: &mut RootDatabase) { let crate_graph = db.crate_graph(); let mut shuffled_ids = crate_graph.iter().collect::<Vec<_>>(); - shuffle(&mut shuffled_ids); + + let mut rng = oorandom::Rand32::new(stdx::rand::seed()); + stdx::rand::shuffle(&mut shuffled_ids, |i| rng.rand_range(0..i as u32) as usize); let mut new_graph = CrateGraph::default(); @@ -52,21 +54,3 @@ pub(crate) fn shuffle_crate_graph(db: &mut RootDatabase) { db.set_crate_graph_with_durability(Arc::new(new_graph), Durability::HIGH); } - -fn shuffle<T>(slice: &mut [T]) { - let mut rng = oorandom::Rand32::new(seed()); - - let mut remaining = slice.len() - 1; - while remaining > 0 { - let index = rng.rand_range(0..remaining as u32); - slice.swap(remaining, index as usize); - remaining -= 1; - } -} - -fn seed() -> u64 { - use std::collections::hash_map::RandomState; - use std::hash::{BuildHasher, Hasher}; - - RandomState::new().build_hasher().finish() -} diff --git a/src/tools/rust-analyzer/crates/ide/src/signature_help.rs b/src/tools/rust-analyzer/crates/ide/src/signature_help.rs index a666562f101..f70ca55a508 100644 --- a/src/tools/rust-analyzer/crates/ide/src/signature_help.rs +++ b/src/tools/rust-analyzer/crates/ide/src/signature_help.rs @@ -7,12 +7,16 @@ use either::Either; use hir::{ AssocItem, GenericParam, HasAttrs, HirDisplay, ModuleDef, PathResolution, Semantics, Trait, }; -use ide_db::{active_parameter::callable_for_node, base_db::FilePosition, FxIndexMap}; +use ide_db::{ + active_parameter::{callable_for_node, generic_def_for_node}, + base_db::FilePosition, + FxIndexMap, +}; use stdx::format_to; use syntax::{ algo, ast::{self, HasArgList}, - match_ast, AstNode, Direction, SyntaxKind, SyntaxToken, TextRange, TextSize, + match_ast, AstNode, Direction, SyntaxToken, TextRange, TextSize, }; use crate::RootDatabase; @@ -105,10 +109,10 @@ pub(crate) fn signature_help(db: &RootDatabase, position: FilePosition) -> Optio // Stop at multi-line expressions, since the signature of the outer call is not very // helpful inside them. if let Some(expr) = ast::Expr::cast(node.clone()) { - if expr.syntax().text().contains_char('\n') - && expr.syntax().kind() != SyntaxKind::RECORD_EXPR + if !matches!(expr, ast::Expr::RecordExpr(..)) + && expr.syntax().text().contains_char('\n') { - return None; + break; } } } @@ -122,18 +126,16 @@ fn signature_help_for_call( token: SyntaxToken, ) -> Option<SignatureHelp> { // Find the calling expression and its NameRef - let mut node = arg_list.syntax().parent()?; + let mut nodes = arg_list.syntax().ancestors().skip(1); let calling_node = loop { - if let Some(callable) = ast::CallableExpr::cast(node.clone()) { - if callable + if let Some(callable) = ast::CallableExpr::cast(nodes.next()?) { + let inside_callable = callable .arg_list() - .map_or(false, |it| it.syntax().text_range().contains(token.text_range().start())) - { + .map_or(false, |it| it.syntax().text_range().contains(token.text_range().start())); + if inside_callable { break callable; } } - - node = node.parent()?; }; let (callable, active_parameter) = callable_for_node(sema, &calling_node, &token)?; @@ -216,59 +218,11 @@ fn signature_help_for_call( fn signature_help_for_generics( sema: &Semantics<'_, RootDatabase>, - garg_list: ast::GenericArgList, + arg_list: ast::GenericArgList, token: SyntaxToken, ) -> Option<SignatureHelp> { - let arg_list = garg_list - .syntax() - .ancestors() - .filter_map(ast::GenericArgList::cast) - .find(|list| list.syntax().text_range().contains(token.text_range().start()))?; - - let mut active_parameter = arg_list - .generic_args() - .take_while(|arg| arg.syntax().text_range().end() <= token.text_range().start()) - .count(); - - let first_arg_is_non_lifetime = arg_list - .generic_args() - .next() - .map_or(false, |arg| !matches!(arg, ast::GenericArg::LifetimeArg(_))); - - let mut generics_def = if let Some(path) = - arg_list.syntax().ancestors().find_map(ast::Path::cast) - { - let res = sema.resolve_path(&path)?; - let generic_def: hir::GenericDef = match res { - hir::PathResolution::Def(hir::ModuleDef::Adt(it)) => it.into(), - hir::PathResolution::Def(hir::ModuleDef::Function(it)) => it.into(), - hir::PathResolution::Def(hir::ModuleDef::Trait(it)) => it.into(), - hir::PathResolution::Def(hir::ModuleDef::TypeAlias(it)) => it.into(), - hir::PathResolution::Def(hir::ModuleDef::Variant(it)) => it.into(), - hir::PathResolution::Def(hir::ModuleDef::BuiltinType(_)) - | hir::PathResolution::Def(hir::ModuleDef::Const(_)) - | hir::PathResolution::Def(hir::ModuleDef::Macro(_)) - | hir::PathResolution::Def(hir::ModuleDef::Module(_)) - | hir::PathResolution::Def(hir::ModuleDef::Static(_)) => return None, - hir::PathResolution::BuiltinAttr(_) - | hir::PathResolution::ToolModule(_) - | hir::PathResolution::Local(_) - | hir::PathResolution::TypeParam(_) - | hir::PathResolution::ConstParam(_) - | hir::PathResolution::SelfType(_) - | hir::PathResolution::DeriveHelper(_) => return None, - }; - - generic_def - } else if let Some(method_call) = arg_list.syntax().parent().and_then(ast::MethodCallExpr::cast) - { - // recv.method::<$0>() - let method = sema.resolve_method_call(&method_call)?; - method.into() - } else { - return None; - }; - + let (mut generics_def, mut active_parameter, first_arg_is_non_lifetime) = + generic_def_for_node(sema, &arg_list, &token)?; let mut res = SignatureHelp { doc: None, signature: String::new(), @@ -307,9 +261,9 @@ fn signature_help_for_generics( // eg. `None::<u8>` // We'll use the signature of the enum, but include the docs of the variant. res.doc = it.docs(db).map(|it| it.into()); - let it = it.parent_enum(db); - format_to!(res.signature, "enum {}", it.name(db)); - generics_def = it.into(); + let enum_ = it.parent_enum(db); + format_to!(res.signature, "enum {}", enum_.name(db)); + generics_def = enum_.into(); } // These don't have generic args that can be specified hir::GenericDef::Impl(_) | hir::GenericDef::Const(_) => return None, @@ -388,16 +342,13 @@ fn signature_help_for_record_lit( record: ast::RecordExpr, token: SyntaxToken, ) -> Option<SignatureHelp> { - let arg_list = record - .syntax() - .ancestors() - .filter_map(ast::RecordExpr::cast) - .find(|list| list.syntax().text_range().contains(token.text_range().start()))?; - - let active_parameter = arg_list + let active_parameter = record .record_expr_field_list()? - .fields() - .take_while(|arg| arg.syntax().text_range().end() <= token.text_range().start()) + .syntax() + .children_with_tokens() + .filter_map(syntax::NodeOrToken::into_token) + .filter(|t| t.kind() == syntax::T![,]) + .take_while(|t| t.text_range().start() <= token.text_range().start()) .count(); let mut res = SignatureHelp { @@ -1594,4 +1545,27 @@ impl S { "#]], ); } + + #[test] + fn test_enum_in_nested_method_in_lambda() { + check( + r#" +enum A { + A, + B +} + +fn bar(_: A) { } + +fn main() { + let foo = Foo; + std::thread::spawn(move || { bar(A:$0) } ); +} +"#, + expect![[r#" + fn bar(_: A) + ^^^^ + "#]], + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/tests.rs b/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/tests.rs index 2f870d769c0..fc9b5d3ba4c 100644 --- a/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting/tests.rs @@ -1126,5 +1126,5 @@ fn benchmark_syntax_highlighting_parser() { .filter(|it| it.highlight.tag == HlTag::Symbol(SymbolKind::Function)) .count() }; - assert_eq!(hash, 1609); + assert_eq!(hash, 1608); } diff --git a/src/tools/rust-analyzer/crates/mbe/Cargo.toml b/src/tools/rust-analyzer/crates/mbe/Cargo.toml index 280ffc219ba..82105522ebd 100644 --- a/src/tools/rust-analyzer/crates/mbe/Cargo.toml +++ b/src/tools/rust-analyzer/crates/mbe/Cargo.toml @@ -14,7 +14,7 @@ doctest = false [dependencies] cov-mark = "2.0.0-pre.1" rustc-hash = "1.1.0" -smallvec = "1.10.0" +smallvec.workspace = true tracing = "0.1.35" # local deps diff --git a/src/tools/rust-analyzer/crates/parser/Cargo.toml b/src/tools/rust-analyzer/crates/parser/Cargo.toml index 08359133f1a..6e962abd754 100644 --- a/src/tools/rust-analyzer/crates/parser/Cargo.toml +++ b/src/tools/rust-analyzer/crates/parser/Cargo.toml @@ -20,4 +20,5 @@ limit.workspace = true [dev-dependencies] expect-test = "1.4.0" +stdx.workspace = true sourcegen.workspace = true diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar.rs b/src/tools/rust-analyzer/crates/parser/src/grammar.rs index 485b612f081..15ec9e167e0 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar.rs @@ -200,6 +200,8 @@ impl BlockLike { } } +const VISIBILITY_FIRST: TokenSet = TokenSet::new(&[T![pub], T![crate]]); + fn opt_visibility(p: &mut Parser<'_>, in_tuple_field: bool) -> bool { match p.current() { T![pub] => { @@ -340,3 +342,31 @@ fn error_block(p: &mut Parser<'_>, message: &str) { p.eat(T!['}']); m.complete(p, ERROR); } + +/// The `parser` passed this is required to at least consume one token if it returns `true`. +/// If the `parser` returns false, parsing will stop. +fn delimited( + p: &mut Parser<'_>, + bra: SyntaxKind, + ket: SyntaxKind, + delim: SyntaxKind, + first_set: TokenSet, + mut parser: impl FnMut(&mut Parser<'_>) -> bool, +) { + p.bump(bra); + while !p.at(ket) && !p.at(EOF) { + if !parser(p) { + break; + } + if !p.at(delim) { + if p.at_ts(first_set) { + p.error(format!("expected {:?}", delim)); + } else { + break; + } + } else { + p.bump(delim); + } + } + p.expect(ket); +} diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/attributes.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/attributes.rs index 0cf6a16f86a..4ecaa6e6a85 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/attributes.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/attributes.rs @@ -1,5 +1,7 @@ use super::*; +pub(super) const ATTRIBUTE_FIRST: TokenSet = TokenSet::new(&[T![#]]); + pub(super) fn inner_attrs(p: &mut Parser<'_>) { while p.at(T![#]) && p.nth(1) == T![!] { attr(p, true); diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs index 7516ac3c4bd..4b080102a2c 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs @@ -1,5 +1,7 @@ mod atom; +use crate::grammar::attributes::ATTRIBUTE_FIRST; + use super::*; pub(crate) use self::atom::{block_expr, match_arm_list}; @@ -68,6 +70,12 @@ pub(super) fn stmt(p: &mut Parser<'_>, semicolon: Semicolon) { Err(m) => m, }; + if !p.at_ts(EXPR_FIRST) { + p.err_and_bump("expected expression, item or let statement"); + m.abandon(p); + return; + } + if let Some((cm, blocklike)) = expr_stmt(p, Some(m)) { if !(p.at(T!['}']) || (semicolon != Semicolon::Required && p.at(EOF))) { // test no_semi_after_block @@ -227,6 +235,12 @@ fn expr_bp( attributes::outer_attrs(p); m }); + + if !p.at_ts(EXPR_FIRST) { + p.err_recover("expected expression", atom::EXPR_RECOVERY_SET); + m.abandon(p); + return None; + } let mut lhs = match lhs(p, r) { Some((lhs, blocklike)) => { let lhs = lhs.extend_to(p, m); @@ -551,23 +565,20 @@ fn cast_expr(p: &mut Parser<'_>, lhs: CompletedMarker) -> CompletedMarker { m.complete(p, CAST_EXPR) } +// test_err arg_list_recovery +// fn main() { +// foo(bar::); +// foo(bar:); +// foo(bar+); +// } fn arg_list(p: &mut Parser<'_>) { assert!(p.at(T!['('])); let m = p.start(); - p.bump(T!['(']); - while !p.at(T![')']) && !p.at(EOF) { - // test arg_with_attr - // fn main() { - // foo(#[attr] 92) - // } - if !expr(p) { - break; - } - if !p.at(T![')']) && !p.expect(T![,]) { - break; - } - } - p.eat(T![')']); + // test arg_with_attr + // fn main() { + // foo(#[attr] 92) + // } + delimited(p, T!['('], T![')'], T![,], EXPR_FIRST.union(ATTRIBUTE_FIRST), expr); m.complete(p, ARG_LIST); } diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index a23f900b738..efc2603835e 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -40,26 +40,28 @@ pub(super) const ATOM_EXPR_FIRST: TokenSet = T!['{'], T!['['], T![|], - T![move], + T![async], T![box], + T![break], + T![const], + T![continue], + T![do], + T![for], T![if], - T![while], + T![let], + T![loop], T![match], - T![unsafe], + T![move], T![return], - T![yield], - T![do], - T![break], - T![continue], - T![async], + T![static], T![try], - T![const], - T![loop], - T![for], + T![unsafe], + T![while], + T![yield], LIFETIME_IDENT, ])); -const EXPR_RECOVERY_SET: TokenSet = TokenSet::new(&[T![let]]); +pub(super) const EXPR_RECOVERY_SET: TokenSet = TokenSet::new(&[T![')'], T![']']]); pub(super) fn atom_expr( p: &mut Parser<'_>, @@ -116,7 +118,7 @@ pub(super) fn atom_expr( // fn main() { // 'loop: impl // } - p.error("expected a loop"); + p.error("expected a loop or block"); m.complete(p, ERROR); return None; } @@ -157,7 +159,7 @@ pub(super) fn atom_expr( T![for] => for_expr(p, None), _ => { - p.err_recover("expected expression", EXPR_RECOVERY_SET); + p.err_and_bump("expected expression"); return None; } }; diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/generic_args.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/generic_args.rs index c438943a002..919d9b91eba 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/generic_args.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/generic_args.rs @@ -5,27 +5,35 @@ pub(super) fn opt_generic_arg_list(p: &mut Parser<'_>, colon_colon_required: boo if p.at(T![::]) && p.nth(2) == T![<] { m = p.start(); p.bump(T![::]); - p.bump(T![<]); } else if !colon_colon_required && p.at(T![<]) && p.nth(1) != T![=] { m = p.start(); - p.bump(T![<]); } else { return; } - while !p.at(EOF) && !p.at(T![>]) { - generic_arg(p); - if !p.at(T![>]) && !p.expect(T![,]) { - break; - } - } - p.expect(T![>]); + delimited(p, T![<], T![>], T![,], GENERIC_ARG_FIRST, generic_arg); m.complete(p, GENERIC_ARG_LIST); } +const GENERIC_ARG_FIRST: TokenSet = TokenSet::new(&[ + LIFETIME_IDENT, + IDENT, + T!['{'], + T![true], + T![false], + T![-], + INT_NUMBER, + FLOAT_NUMBER, + CHAR, + BYTE, + STRING, + BYTE_STRING, +]) +.union(types::TYPE_FIRST); + // test generic_arg // type T = S<i32>; -fn generic_arg(p: &mut Parser<'_>) { +fn generic_arg(p: &mut Parser<'_>) -> bool { match p.current() { LIFETIME_IDENT => lifetime_arg(p), T!['{'] | T![true] | T![false] | T![-] => const_arg(p), @@ -68,8 +76,10 @@ fn generic_arg(p: &mut Parser<'_>) { } } } - _ => type_arg(p), + _ if p.at_ts(types::TYPE_FIRST) => type_arg(p), + _ => return false, } + true } // test lifetime_arg diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/generic_params.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/generic_params.rs index 6db28ef1323..7fcf938babd 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/generic_params.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/generic_params.rs @@ -1,3 +1,5 @@ +use crate::grammar::attributes::ATTRIBUTE_FIRST; + use super::*; pub(super) fn opt_generic_param_list(p: &mut Parser<'_>) { @@ -11,32 +13,31 @@ pub(super) fn opt_generic_param_list(p: &mut Parser<'_>) { fn generic_param_list(p: &mut Parser<'_>) { assert!(p.at(T![<])); let m = p.start(); - p.bump(T![<]); + delimited(p, T![<], T![>], T![,], GENERIC_PARAM_FIRST.union(ATTRIBUTE_FIRST), |p| { + // test generic_param_attribute + // fn foo<#[lt_attr] 'a, #[t_attr] T>() {} + let m = p.start(); + attributes::outer_attrs(p); + generic_param(p, m) + }); - while !p.at(EOF) && !p.at(T![>]) { - generic_param(p); - if !p.at(T![>]) && !p.expect(T![,]) { - break; - } - } - p.expect(T![>]); m.complete(p, GENERIC_PARAM_LIST); } -fn generic_param(p: &mut Parser<'_>) { - let m = p.start(); - // test generic_param_attribute - // fn foo<#[lt_attr] 'a, #[t_attr] T>() {} - attributes::outer_attrs(p); +const GENERIC_PARAM_FIRST: TokenSet = TokenSet::new(&[IDENT, LIFETIME_IDENT, T![const]]); + +fn generic_param(p: &mut Parser<'_>, m: Marker) -> bool { match p.current() { LIFETIME_IDENT => lifetime_param(p, m), IDENT => type_param(p, m), T![const] => const_param(p, m), _ => { m.abandon(p); - p.err_and_bump("expected type parameter"); + p.err_and_bump("expected generic parameter"); + return false; } } + true } // test lifetime_param diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/items/adt.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/items/adt.rs index e7d30516b95..17f41b8e13a 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/items/adt.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/items/adt.rs @@ -1,3 +1,5 @@ +use crate::grammar::attributes::ATTRIBUTE_FIRST; + use super::*; // test struct_item @@ -141,28 +143,31 @@ pub(crate) fn record_field_list(p: &mut Parser<'_>) { } } +const TUPLE_FIELD_FIRST: TokenSet = + types::TYPE_FIRST.union(ATTRIBUTE_FIRST).union(VISIBILITY_FIRST); + fn tuple_field_list(p: &mut Parser<'_>) { assert!(p.at(T!['('])); let m = p.start(); - p.bump(T!['(']); - while !p.at(T![')']) && !p.at(EOF) { + delimited(p, T!['('], T![')'], T![,], TUPLE_FIELD_FIRST, |p| { let m = p.start(); // test tuple_field_attrs // struct S (#[attr] f32); attributes::outer_attrs(p); - opt_visibility(p, true); + let has_vis = opt_visibility(p, true); if !p.at_ts(types::TYPE_FIRST) { p.error("expected a type"); - m.complete(p, ERROR); - break; + if has_vis { + m.complete(p, ERROR); + } else { + m.abandon(p); + } + return false; } types::type_(p); m.complete(p, TUPLE_FIELD); + true + }); - if !p.at(T![')']) { - p.expect(T![,]); - } - } - p.expect(T![')']); m.complete(p, TUPLE_FIELD_LIST); } diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/params.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/params.rs index 20e8e95f066..74eae9151a2 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/params.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/params.rs @@ -1,3 +1,5 @@ +use crate::grammar::attributes::ATTRIBUTE_FIRST; + use super::*; // test param_list @@ -66,14 +68,20 @@ fn list_(p: &mut Parser<'_>, flavor: Flavor) { } }; - if !p.at_ts(PARAM_FIRST) { + if !p.at_ts(PARAM_FIRST.union(ATTRIBUTE_FIRST)) { p.error("expected value parameter"); m.abandon(p); break; } param(p, m, flavor); - if !p.at(ket) { - p.expect(T![,]); + if !p.at(T![,]) { + if p.at_ts(PARAM_FIRST.union(ATTRIBUTE_FIRST)) { + p.error("expected `,`"); + } else { + break; + } + } else { + p.bump(T![,]); } } diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/paths.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/paths.rs index af3b6f63cf5..1064ae9970c 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/paths.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/paths.rs @@ -67,6 +67,10 @@ fn path_for_qualifier( } } +const EXPR_PATH_SEGMENT_RECOVERY_SET: TokenSet = + items::ITEM_RECOVERY_SET.union(TokenSet::new(&[T![')'], T![,], T![let]])); +const TYPE_PATH_SEGMENT_RECOVERY_SET: TokenSet = types::TYPE_RECOVERY_SET; + fn path_segment(p: &mut Parser<'_>, mode: Mode, first: bool) { let m = p.start(); // test qual_paths @@ -102,7 +106,12 @@ fn path_segment(p: &mut Parser<'_>, mode: Mode, first: bool) { m.complete(p, NAME_REF); } _ => { - p.err_recover("expected identifier", items::ITEM_RECOVERY_SET); + let recover_set = match mode { + Mode::Use => items::ITEM_RECOVERY_SET, + Mode::Type => TYPE_PATH_SEGMENT_RECOVERY_SET, + Mode::Expr => EXPR_PATH_SEGMENT_RECOVERY_SET, + }; + p.err_recover("expected identifier", recover_set); if empty { // test_err empty_segment // use crate::; diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/types.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/types.rs index 5c6e18fee8b..7d0b156c5a0 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/types.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/types.rs @@ -17,8 +17,9 @@ pub(super) const TYPE_FIRST: TokenSet = paths::PATH_FIRST.union(TokenSet::new(&[ T![Self], ])); -const TYPE_RECOVERY_SET: TokenSet = TokenSet::new(&[ +pub(super) const TYPE_RECOVERY_SET: TokenSet = TokenSet::new(&[ T![')'], + T![>], T![,], // test_err struct_field_recover // struct S { f pub g: () } diff --git a/src/tools/rust-analyzer/crates/parser/src/tests.rs b/src/tools/rust-analyzer/crates/parser/src/tests.rs index c1b4e9a7d8a..2fec765bd78 100644 --- a/src/tools/rust-analyzer/crates/parser/src/tests.rs +++ b/src/tools/rust-analyzer/crates/parser/src/tests.rs @@ -15,6 +15,7 @@ use crate::{LexedStr, TopEntryPoint}; #[test] fn lex_ok() { for case in TestCase::list("lexer/ok") { + let _guard = stdx::panic_context::enter(format!("{:?}", case.rs)); let actual = lex(&case.text); expect_file![case.rast].assert_eq(&actual) } @@ -23,6 +24,7 @@ fn lex_ok() { #[test] fn lex_err() { for case in TestCase::list("lexer/err") { + let _guard = stdx::panic_context::enter(format!("{:?}", case.rs)); let actual = lex(&case.text); expect_file![case.rast].assert_eq(&actual) } @@ -46,6 +48,7 @@ fn lex(text: &str) -> String { #[test] fn parse_ok() { for case in TestCase::list("parser/ok") { + let _guard = stdx::panic_context::enter(format!("{:?}", case.rs)); let (actual, errors) = parse(TopEntryPoint::SourceFile, &case.text); assert!(!errors, "errors in an OK file {}:\n{actual}", case.rs.display()); expect_file![case.rast].assert_eq(&actual); @@ -55,6 +58,7 @@ fn parse_ok() { #[test] fn parse_inline_ok() { for case in TestCase::list("parser/inline/ok") { + let _guard = stdx::panic_context::enter(format!("{:?}", case.rs)); let (actual, errors) = parse(TopEntryPoint::SourceFile, &case.text); assert!(!errors, "errors in an OK file {}:\n{actual}", case.rs.display()); expect_file![case.rast].assert_eq(&actual); @@ -64,6 +68,7 @@ fn parse_inline_ok() { #[test] fn parse_err() { for case in TestCase::list("parser/err") { + let _guard = stdx::panic_context::enter(format!("{:?}", case.rs)); let (actual, errors) = parse(TopEntryPoint::SourceFile, &case.text); assert!(errors, "no errors in an ERR file {}:\n{actual}", case.rs.display()); expect_file![case.rast].assert_eq(&actual) @@ -73,6 +78,7 @@ fn parse_err() { #[test] fn parse_inline_err() { for case in TestCase::list("parser/inline/err") { + let _guard = stdx::panic_context::enter(format!("{:?}", case.rs)); let (actual, errors) = parse(TopEntryPoint::SourceFile, &case.text); assert!(errors, "no errors in an ERR file {}:\n{actual}", case.rs.display()); expect_file![case.rast].assert_eq(&actual) diff --git a/src/tools/rust-analyzer/crates/parser/src/tests/top_entries.rs b/src/tools/rust-analyzer/crates/parser/src/tests/top_entries.rs index eb640dc7fc7..49dd9e293b8 100644 --- a/src/tools/rust-analyzer/crates/parser/src/tests/top_entries.rs +++ b/src/tools/rust-analyzer/crates/parser/src/tests/top_entries.rs @@ -65,7 +65,7 @@ fn macro_stmt() { MACRO_STMTS ERROR SHEBANG "#!/usr/bin/rust" - error 0: expected expression + error 0: expected expression, item or let statement "##]], ); check( diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0009_broken_struct_type_parameter.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0009_broken_struct_type_parameter.rast index a0154321718..cdc01863ab0 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0009_broken_struct_type_parameter.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0009_broken_struct_type_parameter.rast @@ -44,8 +44,7 @@ SOURCE_FILE IDENT "T" SEMICOLON ";" WHITESPACE "\n" -error 9: expected type parameter -error 11: expected COMMA +error 9: expected generic parameter error 11: expected R_ANGLE error 11: expected `;`, `{`, or `(` error 12: expected an item diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0013_invalid_type.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0013_invalid_type.rast index eec84a0c67d..b485c71ab39 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0013_invalid_type.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0013_invalid_type.rast @@ -43,17 +43,14 @@ SOURCE_FILE IDENT "Box" GENERIC_ARG_LIST L_ANGLE "<" - TYPE_ARG - ERROR - AT "@" - WHITESPACE " " - TUPLE_FIELD - PATH_TYPE - PATH - PATH_SEGMENT - NAME_REF - IDENT "Any" - ERROR + ERROR + AT "@" + WHITESPACE " " + MACRO_CALL + PATH + PATH_SEGMENT + NAME_REF + IDENT "Any" ERROR R_ANGLE ">" ERROR @@ -69,17 +66,14 @@ SOURCE_FILE ERROR SEMICOLON ";" WHITESPACE "\n\n" -error 67: expected type -error 68: expected COMMA -error 68: expected R_ANGLE -error 68: expected COMMA -error 68: expected R_ANGLE -error 68: expected COMMA -error 68: expected R_ANGLE -error 68: expected COMMA -error 72: expected COMMA -error 72: expected a type -error 72: expected R_PAREN +error 67: expected R_ANGLE +error 67: expected R_ANGLE +error 67: expected R_ANGLE +error 67: expected R_PAREN +error 67: expected SEMICOLON +error 67: expected an item +error 72: expected BANG +error 72: expected `{`, `[`, `(` error 72: expected SEMICOLON error 72: expected an item error 73: expected an item diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0022_bad_exprs.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0022_bad_exprs.rast index 900394bd960..d97fc6c7209 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0022_bad_exprs.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0022_bad_exprs.rast @@ -145,27 +145,29 @@ SOURCE_FILE error 16: expected expression error 17: expected R_BRACK error 17: expected SEMICOLON -error 17: expected expression +error 17: expected expression, item or let statement error 25: expected a name error 26: expected `;`, `{`, or `(` error 30: expected pattern error 31: expected SEMICOLON error 53: expected expression +error 54: expected R_PAREN error 54: expected SEMICOLON -error 54: expected expression +error 54: expected expression, item or let statement error 60: expected type error 60: expected `{` -error 60: expected expression +error 60: expected expression, item or let statement error 65: expected pattern error 65: expected SEMICOLON -error 65: expected expression +error 65: expected expression, item or let statement error 92: expected expression +error 93: expected R_PAREN error 93: expected SEMICOLON -error 93: expected expression -error 95: expected expression -error 96: expected expression +error 93: expected expression, item or let statement +error 95: expected expression, item or let statement +error 96: expected expression, item or let statement error 103: expected a name error 104: expected `{` error 108: expected pattern error 108: expected SEMICOLON -error 108: expected expression +error 108: expected expression, item or let statement diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0024_many_type_parens.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0024_many_type_parens.rast index d374f86610b..f0dbc9b1027 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0024_many_type_parens.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0024_many_type_parens.rast @@ -168,75 +168,21 @@ SOURCE_FILE L_PAREN "(" ERROR QUESTION "?" - EXPR_STMT - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "Sized" + TYPE_ARG + PATH_TYPE + PATH + PATH_SEGMENT + NAME_REF + IDENT "Sized" ERROR R_PAREN ")" WHITESPACE " " ERROR PLUS "+" WHITESPACE " " - TUPLE_EXPR - L_PAREN "(" - CLOSURE_EXPR - FOR_KW "for" - GENERIC_PARAM_LIST - L_ANGLE "<" - LIFETIME_PARAM - LIFETIME - LIFETIME_IDENT "'a" - R_ANGLE ">" - WHITESPACE " " - BIN_EXPR - BIN_EXPR - BIN_EXPR - BIN_EXPR - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "Trait" - L_ANGLE "<" - ERROR - LIFETIME_IDENT "'a" - R_ANGLE ">" - ERROR - R_PAREN ")" - WHITESPACE " " - PLUS "+" - WHITESPACE " " - PAREN_EXPR - L_PAREN "(" - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "Copy" - R_PAREN ")" - R_ANGLE ">" - ERROR - SEMICOLON ";" - WHITESPACE "\n " - LET_EXPR - LET_KW "let" - WHITESPACE " " - WILDCARD_PAT - UNDERSCORE "_" - ERROR - COLON ":" - WHITESPACE " " + EXPR_STMT BIN_EXPR BIN_EXPR - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "Box" - L_ANGLE "<" TUPLE_EXPR L_PAREN "(" CLOSURE_EXPR @@ -250,78 +196,117 @@ SOURCE_FILE WHITESPACE " " BIN_EXPR BIN_EXPR - BIN_EXPR - BIN_EXPR - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "Trait" - L_ANGLE "<" - ERROR - LIFETIME_IDENT "'a" - R_ANGLE ">" - ERROR - R_PAREN ")" - WHITESPACE " " - PLUS "+" - WHITESPACE " " - PAREN_EXPR - L_PAREN "(" - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "Copy" - R_PAREN ")" - WHITESPACE " " - PLUS "+" - WHITESPACE " " - PAREN_EXPR - L_PAREN "(" + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "Trait" + L_ANGLE "<" ERROR - QUESTION "?" + LIFETIME_IDENT "'a" + R_ANGLE ">" + R_PAREN ")" + WHITESPACE " " + PLUS "+" + WHITESPACE " " + PAREN_EXPR + L_PAREN "(" PATH_EXPR PATH PATH_SEGMENT NAME_REF - IDENT "Sized" + IDENT "Copy" R_PAREN ")" R_ANGLE ">" ERROR SEMICOLON ";" + WHITESPACE "\n " + LET_STMT + LET_KW "let" + WHITESPACE " " + WILDCARD_PAT + UNDERSCORE "_" + COLON ":" + WHITESPACE " " + DYN_TRAIT_TYPE + TYPE_BOUND_LIST + TYPE_BOUND + PATH_TYPE + PATH + PATH_SEGMENT + NAME_REF + IDENT "Box" + GENERIC_ARG_LIST + L_ANGLE "<" + TYPE_ARG + PAREN_TYPE + L_PAREN "(" + FOR_TYPE + FOR_KW "for" + GENERIC_PARAM_LIST + L_ANGLE "<" + LIFETIME_PARAM + LIFETIME + LIFETIME_IDENT "'a" + R_ANGLE ">" + WHITESPACE " " + PATH_TYPE + PATH + PATH_SEGMENT + NAME_REF + IDENT "Trait" + GENERIC_ARG_LIST + L_ANGLE "<" + LIFETIME_ARG + LIFETIME + LIFETIME_IDENT "'a" + R_ANGLE ">" + R_PAREN ")" + WHITESPACE " " + PLUS "+" + WHITESPACE " " + TYPE_BOUND + L_PAREN "(" + PATH_TYPE + PATH + PATH_SEGMENT + NAME_REF + IDENT "Copy" + R_PAREN ")" + WHITESPACE " " + PLUS "+" + WHITESPACE " " + TYPE_BOUND + L_PAREN "(" + QUESTION "?" + PATH_TYPE + PATH + PATH_SEGMENT + NAME_REF + IDENT "Sized" + R_PAREN ")" + ERROR + R_ANGLE ">" + SEMICOLON ";" WHITESPACE "\n" R_CURLY "}" WHITESPACE "\n" -error 88: expected COMMA error 88: expected R_ANGLE error 121: expected SEMICOLON -error 121: expected expression +error 121: expected expression, item or let statement error 140: expected type error 141: expected R_PAREN error 141: expected COMMA -error 141: expected R_ANGLE -error 141: expected SEMICOLON +error 146: expected R_ANGLE error 146: expected SEMICOLON -error 146: expected expression -error 148: expected expression +error 146: expected expression, item or let statement +error 148: expected expression, item or let statement error 158: expected `|` error 158: expected COMMA error 165: expected expression error 168: expected expression error 179: expected expression -error 180: expected COMMA -error 190: expected EQ -error 190: expected expression -error 191: expected COMMA -error 204: expected `|` -error 204: expected COMMA -error 211: expected expression -error 214: expected expression -error 228: expected expression -error 229: expected R_PAREN -error 229: expected COMMA -error 236: expected expression -error 237: expected COMMA -error 237: expected expression -error 237: expected R_PAREN +error 180: expected SEMICOLON +error 215: expected R_ANGLE +error 235: expected SEMICOLON +error 235: expected expression, item or let statement diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0025_nope.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0025_nope.rast index 6b49724ec9a..b6bc0088374 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0025_nope.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0025_nope.rast @@ -156,8 +156,7 @@ SOURCE_FILE PATH_SEGMENT NAME_REF IDENT "i32" - WHITESPACE " " - ERROR + WHITESPACE " " ERROR L_CURLY "{" R_CURLY "}" @@ -199,10 +198,8 @@ error 95: expected type error 95: expected COMMA error 96: expected field error 98: expected field declaration +error 371: expected R_PAREN error 371: expected COMMA -error 372: expected a type -error 372: expected R_PAREN -error 372: expected COMMA error 372: expected enum variant error 374: expected enum variant error 494: expected pattern diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0042_weird_blocks.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0042_weird_blocks.rast index 9cea337ce9c..1cdc6e6e719 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0042_weird_blocks.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0042_weird_blocks.rast @@ -72,4 +72,4 @@ SOURCE_FILE error 24: expected existential, fn, trait or impl error 41: expected existential, fn, trait or impl error 56: expected a block -error 75: expected a loop +error 75: expected a loop or block diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0048_double_fish.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0048_double_fish.rast index 3a05bfee1ee..207a5c24dff 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0048_double_fish.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/err/0048_double_fish.rast @@ -12,7 +12,7 @@ SOURCE_FILE STMT_LIST L_CURLY "{" WHITESPACE "\n " - EXPR_STMT + BIN_EXPR PATH_EXPR PATH PATH_SEGMENT @@ -41,13 +41,14 @@ SOURCE_FILE COLON2 "::" ERROR L_ANGLE "<" - BIN_EXPR - PATH_EXPR - PATH - PATH_SEGMENT - NAME_REF - IDENT "nope" - SHR ">>" + TYPE_ARG + PATH_TYPE + PATH + PATH_SEGMENT + NAME_REF + IDENT "nope" + R_ANGLE ">" + R_ANGLE ">" ERROR SEMICOLON ";" WHITESPACE "\n" @@ -114,8 +115,6 @@ SOURCE_FILE WHITESPACE "\n" error 30: expected identifier error 31: expected COMMA -error 31: expected R_ANGLE -error 31: expected SEMICOLON error 37: expected expression error 75: expected identifier error 76: expected SEMICOLON diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0002_misplaced_label_err.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0002_misplaced_label_err.rast index 56cea4b1567..ea5203fb96e 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0002_misplaced_label_err.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0002_misplaced_label_err.rast @@ -23,6 +23,6 @@ SOURCE_FILE WHITESPACE "\n" R_CURLY "}" WHITESPACE "\n" -error 22: expected a loop +error 22: expected a loop or block error 27: expected type error 27: expected `{` diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_arg_list_recovery.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_arg_list_recovery.rast new file mode 100644 index 00000000000..5d0fe859c29 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_arg_list_recovery.rast @@ -0,0 +1,77 @@ +SOURCE_FILE + FN + FN_KW "fn" + WHITESPACE " " + NAME + IDENT "main" + PARAM_LIST + L_PAREN "(" + R_PAREN ")" + WHITESPACE " " + BLOCK_EXPR + STMT_LIST + L_CURLY "{" + WHITESPACE "\n " + EXPR_STMT + CALL_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "foo" + ARG_LIST + L_PAREN "(" + PATH_EXPR + PATH + PATH + PATH_SEGMENT + NAME_REF + IDENT "bar" + COLON2 "::" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + CALL_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "foo" + ARG_LIST + L_PAREN "(" + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "bar" + ERROR + COLON ":" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + CALL_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "foo" + ARG_LIST + L_PAREN "(" + BIN_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "bar" + PLUS "+" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n" + R_CURLY "}" + WHITESPACE "\n" +error 25: expected identifier +error 39: expected COMMA +error 39: expected expression +error 55: expected expression diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_arg_list_recovery.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_arg_list_recovery.rs new file mode 100644 index 00000000000..0e7ac9cc307 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_arg_list_recovery.rs @@ -0,0 +1,5 @@ +fn main() { + foo(bar::); + foo(bar:); + foo(bar+); +} diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_missing_fn_param_type.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_missing_fn_param_type.rast index e72df374d1b..ea50ad35d74 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_missing_fn_param_type.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/err/0015_missing_fn_param_type.rast @@ -49,5 +49,5 @@ SOURCE_FILE R_CURLY "}" WHITESPACE "\n" error 6: missing type for function parameter -error 6: expected COMMA +error 6: expected `,` error 16: missing type for function parameter diff --git a/src/tools/rust-analyzer/crates/proc-macro-api/src/version.rs b/src/tools/rust-analyzer/crates/proc-macro-api/src/version.rs index 40125c2a512..cf637ec359a 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-api/src/version.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-api/src/version.rs @@ -120,17 +120,20 @@ pub fn read_version(dylib_path: &AbsPath) -> io::Result<String> { let version = u32::from_be_bytes([dot_rustc[4], dot_rustc[5], dot_rustc[6], dot_rustc[7]]); // Last supported version is: // https://github.com/rust-lang/rust/commit/0696e79f2740ad89309269b460579e548a5cd632 - match version { - 5 | 6 => {} + let snappy_portion = match version { + 5 | 6 => &dot_rustc[8..], + 7 => { + let len_bytes = &dot_rustc[8..12]; + let data_len = u32::from_be_bytes(len_bytes.try_into().unwrap()) as usize; + &dot_rustc[12..data_len + 12] + } _ => { return Err(io::Error::new( io::ErrorKind::InvalidData, format!("unsupported metadata version {version}"), )); } - } - - let snappy_portion = &dot_rustc[8..]; + }; let mut snappy_decoder = SnapDecoder::new(snappy_portion); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml index e3aa880d005..f0f1900c78c 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml @@ -24,7 +24,7 @@ crossbeam-channel = "0.5.5" dissimilar = "1.0.4" itertools = "0.10.5" scip = "0.1.1" -lsp-types = { version = "=0.93.2", features = ["proposed"] } +lsp-types = { version = "=0.94", features = ["proposed"] } parking_lot = "0.12.1" xflags = "0.3.0" oorandom = "11.1.3" diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/default_12483297303756020505_0.profraw b/src/tools/rust-analyzer/crates/rust-analyzer/default_12483297303756020505_0.profraw new file mode 100644 index 00000000000..e49d7c14492 --- /dev/null +++ b/src/tools/rust-analyzer/crates/rust-analyzer/default_12483297303756020505_0.profraw Binary files differdiff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs index 841861635c6..3628670ac98 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs @@ -1,4 +1,5 @@ //! Advertises the capabilities of the LSP Server. +use ide_db::line_index::WideEncoding; use lsp_types::{ CallHierarchyServerCapability, ClientCapabilities, CodeActionKind, CodeActionOptions, CodeActionProviderCapability, CodeLensOptions, CompletionOptions, @@ -16,16 +17,19 @@ use lsp_types::{ use serde_json::json; use crate::config::{Config, RustfmtConfig}; -use crate::lsp_ext::supports_utf8; +use crate::line_index::PositionEncoding; +use crate::lsp_ext::negotiated_encoding; use crate::semantic_tokens; pub fn server_capabilities(config: &Config) -> ServerCapabilities { ServerCapabilities { - position_encoding: if supports_utf8(config.caps()) { - Some(PositionEncodingKind::UTF8) - } else { - None - }, + position_encoding: Some(match negotiated_encoding(config.caps()) { + PositionEncoding::Utf8 => PositionEncodingKind::UTF8, + PositionEncoding::Wide(wide) => match wide { + WideEncoding::Utf16 => PositionEncodingKind::UTF16, + WideEncoding::Utf32 => PositionEncodingKind::UTF32, + }, + }), text_document_sync: Some(TextDocumentSyncCapability::Options(TextDocumentSyncOptions { open_close: Some(true), change: Some(TextDocumentSyncKind::INCREMENTAL), @@ -134,6 +138,7 @@ pub fn server_capabilities(config: &Config) -> ServerCapabilities { resolve_provider: Some(true), }, ))), + inline_value_provider: None, experimental: Some(json!({ "externalDocs": true, "hoverRange": true, diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs index 60a7f99ccdb..3fc1aa4eaeb 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs @@ -11,6 +11,7 @@ use ide::{ use ide_db::LineIndexDatabase; use ide_db::base_db::salsa::{self, ParallelDatabase}; +use ide_db::line_index::WideEncoding; use lsp_types::{self, lsif}; use project_model::{CargoConfig, ProjectManifest, ProjectWorkspace}; use vfs::{AbsPathBuf, Vfs}; @@ -127,7 +128,7 @@ impl LsifManager<'_> { let line_index = self.db.line_index(file_id); let line_index = LineIndex { index: line_index, - encoding: PositionEncoding::Utf16, + encoding: PositionEncoding::Wide(WideEncoding::Utf16), endings: LineEndings::Unix, }; let range_id = self.add_vertex(lsif::Vertex::Range { @@ -249,7 +250,7 @@ impl LsifManager<'_> { let line_index = self.db.line_index(file_id); let line_index = LineIndex { index: line_index, - encoding: PositionEncoding::Utf16, + encoding: PositionEncoding::Wide(WideEncoding::Utf16), endings: LineEndings::Unix, }; let result = folds diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs index be09938c2c4..f609a50a05f 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs @@ -33,7 +33,7 @@ use crate::{ caps::completion_item_edit_resolve, diagnostics::DiagnosticsMapConfig, line_index::PositionEncoding, - lsp_ext::{self, supports_utf8, WorkspaceSymbolSearchKind, WorkspaceSymbolSearchScope}, + lsp_ext::{self, negotiated_encoding, WorkspaceSymbolSearchKind, WorkspaceSymbolSearchScope}, }; mod patch_old_style; @@ -999,11 +999,7 @@ impl Config { } pub fn position_encoding(&self) -> PositionEncoding { - if supports_utf8(&self.caps) { - PositionEncoding::Utf8 - } else { - PositionEncoding::Utf16 - } + negotiated_encoding(&self.caps) } fn experimental(&self, index: &'static str) -> bool { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs index 55b89019b47..415fa4e02f2 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs @@ -3,6 +3,7 @@ use std::collections::HashMap; use flycheck::{Applicability, DiagnosticLevel, DiagnosticSpan}; +use ide_db::line_index::WideEncoding; use itertools::Itertools; use stdx::format_to; use vfs::{AbsPath, AbsPathBuf}; @@ -95,7 +96,8 @@ fn position( let mut char_offset = 0; let len_func = match position_encoding { PositionEncoding::Utf8 => char::len_utf8, - PositionEncoding::Utf16 => char::len_utf16, + PositionEncoding::Wide(WideEncoding::Utf16) => char::len_utf16, + PositionEncoding::Wide(WideEncoding::Utf32) => |_| 1, }; for c in line.text.chars() { char_offset += 1; diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/from_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/from_proto.rs index 2dbb14fcd9a..50af38cd6fe 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/from_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/from_proto.rs @@ -1,7 +1,10 @@ //! Conversion lsp_types types to rust-analyzer specific ones. use anyhow::format_err; -use ide::{Annotation, AnnotationKind, AssistKind, LineCol, LineColUtf16}; -use ide_db::base_db::{FileId, FilePosition, FileRange}; +use ide::{Annotation, AnnotationKind, AssistKind, LineCol}; +use ide_db::{ + base_db::{FileId, FilePosition, FileRange}, + line_index::WideLineCol, +}; use syntax::{TextRange, TextSize}; use vfs::AbsPathBuf; @@ -26,9 +29,9 @@ pub(crate) fn vfs_path(url: &lsp_types::Url) -> Result<vfs::VfsPath> { pub(crate) fn offset(line_index: &LineIndex, position: lsp_types::Position) -> Result<TextSize> { let line_col = match line_index.encoding { PositionEncoding::Utf8 => LineCol { line: position.line, col: position.character }, - PositionEncoding::Utf16 => { - let line_col = LineColUtf16 { line: position.line, col: position.character }; - line_index.index.to_utf8(line_col) + PositionEncoding::Wide(enc) => { + let line_col = WideLineCol { line: position.line, col: position.character }; + line_index.index.to_utf8(enc, line_col) } }; let text_size = diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/line_index.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/line_index.rs index 2945dba12f2..791cd931d42 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/line_index.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/line_index.rs @@ -7,9 +7,12 @@ use std::sync::Arc; +use ide_db::line_index::WideEncoding; + +#[derive(Clone, Copy)] pub enum PositionEncoding { Utf8, - Utf16, + Wide(WideEncoding), } pub(crate) struct LineIndex { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs index 08b2c837de3..e33589cc536 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs @@ -2,6 +2,7 @@ use std::{collections::HashMap, path::PathBuf}; +use ide_db::line_index::WideEncoding; use lsp_types::request::Request; use lsp_types::PositionEncodingKind; use lsp_types::{ @@ -10,6 +11,8 @@ use lsp_types::{ }; use serde::{Deserialize, Serialize}; +use crate::line_index::PositionEncoding; + pub enum AnalyzerStatus {} impl Request for AnalyzerStatus { @@ -481,16 +484,22 @@ pub(crate) enum CodeLensResolveData { References(lsp_types::TextDocumentPositionParams), } -pub fn supports_utf8(caps: &lsp_types::ClientCapabilities) -> bool { - match &caps.general { - Some(general) => general - .position_encodings - .as_deref() - .unwrap_or_default() - .iter() - .any(|it| it == &PositionEncodingKind::UTF8), - _ => false, +pub fn negotiated_encoding(caps: &lsp_types::ClientCapabilities) -> PositionEncoding { + let client_encodings = match &caps.general { + Some(general) => general.position_encodings.as_deref().unwrap_or_default(), + None => &[], + }; + + for enc in client_encodings { + if enc == &PositionEncodingKind::UTF8 { + return PositionEncoding::Utf8; + } else if enc == &PositionEncodingKind::UTF32 { + return PositionEncoding::Wide(WideEncoding::Utf32); + } + // NB: intentionally prefer just about anything else to utf-16. } + + PositionEncoding::Wide(WideEncoding::Utf16) } pub enum MoveItem {} diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs index baa77a005e2..30f1c53c198 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs @@ -161,6 +161,7 @@ impl GlobalState { } pub(crate) fn apply_document_changes( + encoding: PositionEncoding, file_contents: impl FnOnce() -> String, mut content_changes: Vec<lsp_types::TextDocumentContentChangeEvent>, ) -> String { @@ -192,9 +193,9 @@ pub(crate) fn apply_document_changes( let mut line_index = LineIndex { // the index will be overwritten in the bottom loop's first iteration index: Arc::new(ide::LineIndex::new(&text)), - // We don't care about line endings or offset encoding here. + // We don't care about line endings here. endings: LineEndings::Unix, - encoding: PositionEncoding::Utf16, + encoding, }; // The changes we got must be applied sequentially, but can cross lines so we @@ -256,6 +257,7 @@ pub(crate) fn all_edits_are_disjoint( #[cfg(test)] mod tests { + use ide_db::line_index::WideEncoding; use lsp_types::{ CompletionItem, CompletionTextEdit, InsertReplaceEdit, Position, Range, TextDocumentContentChangeEvent, @@ -278,9 +280,11 @@ mod tests { }; } - let text = apply_document_changes(|| String::new(), vec![]); + let encoding = PositionEncoding::Wide(WideEncoding::Utf16); + let text = apply_document_changes(encoding, || String::new(), vec![]); assert_eq!(text, ""); let text = apply_document_changes( + encoding, || text, vec![TextDocumentContentChangeEvent { range: None, @@ -289,39 +293,49 @@ mod tests { }], ); assert_eq!(text, "the"); - let text = apply_document_changes(|| text, c![0, 3; 0, 3 => " quick"]); + let text = apply_document_changes(encoding, || text, c![0, 3; 0, 3 => " quick"]); assert_eq!(text, "the quick"); - let text = apply_document_changes(|| text, c![0, 0; 0, 4 => "", 0, 5; 0, 5 => " foxes"]); + let text = + apply_document_changes(encoding, || text, c![0, 0; 0, 4 => "", 0, 5; 0, 5 => " foxes"]); assert_eq!(text, "quick foxes"); - let text = apply_document_changes(|| text, c![0, 11; 0, 11 => "\ndream"]); + let text = apply_document_changes(encoding, || text, c![0, 11; 0, 11 => "\ndream"]); assert_eq!(text, "quick foxes\ndream"); - let text = apply_document_changes(|| text, c![1, 0; 1, 0 => "have "]); + let text = apply_document_changes(encoding, || text, c![1, 0; 1, 0 => "have "]); assert_eq!(text, "quick foxes\nhave dream"); let text = apply_document_changes( + encoding, || text, c![0, 0; 0, 0 => "the ", 1, 4; 1, 4 => " quiet", 1, 16; 1, 16 => "s\n"], ); assert_eq!(text, "the quick foxes\nhave quiet dreams\n"); - let text = apply_document_changes(|| text, c![0, 15; 0, 15 => "\n", 2, 17; 2, 17 => "\n"]); + let text = apply_document_changes( + encoding, + || text, + c![0, 15; 0, 15 => "\n", 2, 17; 2, 17 => "\n"], + ); assert_eq!(text, "the quick foxes\n\nhave quiet dreams\n\n"); let text = apply_document_changes( + encoding, || text, c![1, 0; 1, 0 => "DREAM", 2, 0; 2, 0 => "they ", 3, 0; 3, 0 => "DON'T THEY?"], ); assert_eq!(text, "the quick foxes\nDREAM\nthey have quiet dreams\nDON'T THEY?\n"); - let text = apply_document_changes(|| text, c![0, 10; 1, 5 => "", 2, 0; 2, 12 => ""]); + let text = + apply_document_changes(encoding, || text, c![0, 10; 1, 5 => "", 2, 0; 2, 12 => ""]); assert_eq!(text, "the quick \nthey have quiet dreams\n"); let text = String::from("❤️"); - let text = apply_document_changes(|| text, c![0, 0; 0, 0 => "a"]); + let text = apply_document_changes(encoding, || text, c![0, 0; 0, 0 => "a"]); assert_eq!(text, "a❤️"); let text = String::from("a\nb"); - let text = apply_document_changes(|| text, c![0, 1; 1, 0 => "\nțc", 0, 1; 1, 1 => "d"]); + let text = + apply_document_changes(encoding, || text, c![0, 1; 1, 0 => "\nțc", 0, 1; 1, 1 => "d"]); assert_eq!(text, "adcb"); let text = String::from("a\nb"); - let text = apply_document_changes(|| text, c![0, 1; 1, 0 => "ț\nc", 0, 2; 0, 2 => "c"]); + let text = + apply_document_changes(encoding, || text, c![0, 1; 1, 0 => "ț\nc", 0, 2; 0, 2 => "c"]); assert_eq!(text, "ațc\ncb"); } diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs index 346a74e270f..d1e38b33c7d 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs @@ -831,6 +831,7 @@ impl GlobalState { let vfs = &mut this.vfs.write().0; let file_id = vfs.file_id(&path).unwrap(); let text = apply_document_changes( + this.config.position_encoding(), || std::str::from_utf8(vfs.file_contents(file_id)).unwrap().into(), params.content_changes, ); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs index 5ac5af94f5a..abce0d73782 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs @@ -268,7 +268,10 @@ impl GlobalState { ] }) }) - .map(|glob_pattern| lsp_types::FileSystemWatcher { glob_pattern, kind: None }) + .map(|glob_pattern| lsp_types::FileSystemWatcher { + glob_pattern: lsp_types::GlobPattern::String(glob_pattern), + kind: None, + }) .collect(), }; let registration = lsp_types::Registration { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs index 5bdc1bf8d9b..92029dc1de7 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs @@ -31,8 +31,8 @@ pub(crate) fn position(line_index: &LineIndex, offset: TextSize) -> lsp_types::P let line_col = line_index.index.line_col(offset); match line_index.encoding { PositionEncoding::Utf8 => lsp_types::Position::new(line_col.line, line_col.col), - PositionEncoding::Utf16 => { - let line_col = line_index.index.to_utf16(line_col); + PositionEncoding::Wide(enc) => { + let line_col = line_index.index.to_wide(enc, line_col); lsp_types::Position::new(line_col.line, line_col.col) } } @@ -212,7 +212,7 @@ pub(crate) fn completion_items( tdpp: lsp_types::TextDocumentPositionParams, items: Vec<CompletionItem>, ) -> Vec<lsp_types::CompletionItem> { - let max_relevance = items.iter().map(|it| it.relevance().score()).max().unwrap_or_default(); + let max_relevance = items.iter().map(|it| it.relevance.score()).max().unwrap_or_default(); let mut res = Vec::with_capacity(items.len()); for item in items { completion_item(&mut res, config, line_index, &tdpp, max_relevance, item); @@ -235,22 +235,26 @@ fn completion_item( item: CompletionItem, ) { let insert_replace_support = config.insert_replace_support().then_some(tdpp.position); + let ref_match = item.ref_match(); + let lookup = item.lookup().to_string(); + let mut additional_text_edits = Vec::new(); // LSP does not allow arbitrary edits in completion, so we have to do a // non-trivial mapping here. let text_edit = { let mut text_edit = None; - let source_range = item.source_range(); - for indel in item.text_edit().iter() { + let source_range = item.source_range; + for indel in item.text_edit { if indel.delete.contains_range(source_range) { + // Extract this indel as the main edit text_edit = Some(if indel.delete == source_range { self::completion_text_edit(line_index, insert_replace_support, indel.clone()) } else { assert!(source_range.end() == indel.delete.end()); let range1 = TextRange::new(indel.delete.start(), source_range.start()); let range2 = source_range; - let indel1 = Indel::replace(range1, String::new()); + let indel1 = Indel::delete(range1); let indel2 = Indel::replace(range2, indel.insert.clone()); additional_text_edits.push(self::text_edit(line_index, indel1)); self::completion_text_edit(line_index, insert_replace_support, indel2) @@ -264,23 +268,23 @@ fn completion_item( text_edit.unwrap() }; - let insert_text_format = item.is_snippet().then_some(lsp_types::InsertTextFormat::SNIPPET); - let tags = item.deprecated().then(|| vec![lsp_types::CompletionItemTag::DEPRECATED]); - let command = if item.trigger_call_info() && config.client_commands().trigger_parameter_hints { + let insert_text_format = item.is_snippet.then_some(lsp_types::InsertTextFormat::SNIPPET); + let tags = item.deprecated.then(|| vec![lsp_types::CompletionItemTag::DEPRECATED]); + let command = if item.trigger_call_info && config.client_commands().trigger_parameter_hints { Some(command::trigger_parameter_hints()) } else { None }; let mut lsp_item = lsp_types::CompletionItem { - label: item.label().to_string(), - detail: item.detail().map(|it| it.to_string()), - filter_text: Some(item.lookup().to_string()), - kind: Some(completion_item_kind(item.kind())), + label: item.label.to_string(), + detail: item.detail.map(|it| it.to_string()), + filter_text: Some(lookup), + kind: Some(completion_item_kind(item.kind)), text_edit: Some(text_edit), additional_text_edits: Some(additional_text_edits), - documentation: item.documentation().map(documentation), - deprecated: Some(item.deprecated()), + documentation: item.documentation.map(documentation), + deprecated: Some(item.deprecated), tags, command, insert_text_format, @@ -294,12 +298,13 @@ fn completion_item( }); } - set_score(&mut lsp_item, max_relevance, item.relevance()); + set_score(&mut lsp_item, max_relevance, item.relevance); if config.completion().enable_imports_on_the_fly { - if let imports @ [_, ..] = item.imports_to_add() { - let imports: Vec<_> = imports - .iter() + if !item.import_to_add.is_empty() { + let imports: Vec<_> = item + .import_to_add + .into_iter() .filter_map(|import_edit| { let import_path = &import_edit.import_path; let import_name = import_path.segments().last()?; @@ -316,18 +321,13 @@ fn completion_item( } } - if let Some((mutability, offset, relevance)) = item.ref_match() { - let mut lsp_item_with_ref = lsp_item.clone(); + if let Some((label, indel, relevance)) = ref_match { + let mut lsp_item_with_ref = lsp_types::CompletionItem { label, ..lsp_item.clone() }; + lsp_item_with_ref + .additional_text_edits + .get_or_insert_with(Default::default) + .push(self::text_edit(line_index, indel)); set_score(&mut lsp_item_with_ref, max_relevance, relevance); - lsp_item_with_ref.label = - format!("&{}{}", mutability.as_keyword_for_ref(), lsp_item_with_ref.label); - lsp_item_with_ref.additional_text_edits.get_or_insert_with(Default::default).push( - self::text_edit( - line_index, - Indel::insert(offset, format!("&{}", mutability.as_keyword_for_ref())), - ), - ); - acc.push(lsp_item_with_ref); }; @@ -766,6 +766,7 @@ pub(crate) fn folding_range( end_line, end_character: None, kind, + collapsed_text: None, } } else { lsp_types::FoldingRange { @@ -774,6 +775,7 @@ pub(crate) fn folding_range( end_line: range.end.line, end_character: Some(range.end.character), kind, + collapsed_text: None, } } } @@ -1360,7 +1362,7 @@ pub(crate) mod command { pub(crate) fn trigger_parameter_hints() -> lsp_types::Command { lsp_types::Command { title: "triggerParameterHints".into(), - command: "editor.action.triggerParameterHints".into(), + command: "rust-analyzer.triggerParameterHints".into(), arguments: None, } } @@ -1429,7 +1431,7 @@ fn main() { let line_index = LineIndex { index: Arc::new(ide::LineIndex::new(text)), endings: LineEndings::Unix, - encoding: PositionEncoding::Utf16, + encoding: PositionEncoding::Utf8, }; let converted: Vec<lsp_types::FoldingRange> = folds.into_iter().map(|it| folding_range(text, &line_index, true, it)).collect(); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs index 5e3e19d44d7..587d640969a 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs @@ -22,7 +22,7 @@ use lsp_types::{ notification::DidOpenTextDocument, request::{ CodeActionRequest, Completion, Formatting, GotoTypeDefinition, HoverRequest, - WillRenameFiles, WorkspaceSymbol, + WillRenameFiles, WorkspaceSymbolRequest, }, CodeActionContext, CodeActionParams, CompletionParams, DidOpenTextDocumentParams, DocumentFormattingParams, FileRename, FormattingOptions, GotoDefinitionParams, HoverParams, @@ -1095,5 +1095,5 @@ pub fn bar() {} .server() .wait_until_workspace_is_loaded(); - server.request::<WorkspaceSymbol>(Default::default(), json!([])); + server.request::<WorkspaceSymbolRequest>(Default::default(), json!([])); } diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs index b7275df0f40..037fc89ace0 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs @@ -107,6 +107,7 @@ impl<'a> Project<'a> { did_change_watched_files: Some( lsp_types::DidChangeWatchedFilesClientCapabilities { dynamic_registration: Some(true), + relative_pattern_support: None, }, ), ..Default::default() diff --git a/src/tools/rust-analyzer/crates/stdx/src/lib.rs b/src/tools/rust-analyzer/crates/stdx/src/lib.rs index bd24d7d28ba..5639aaf57cd 100644 --- a/src/tools/rust-analyzer/crates/stdx/src/lib.rs +++ b/src/tools/rust-analyzer/crates/stdx/src/lib.rs @@ -11,6 +11,7 @@ pub mod hash; pub mod process; pub mod panic_context; pub mod non_empty_vec; +pub mod rand; pub use always_assert::{always, never}; diff --git a/src/tools/rust-analyzer/crates/stdx/src/rand.rs b/src/tools/rust-analyzer/crates/stdx/src/rand.rs new file mode 100644 index 00000000000..64aa57eae09 --- /dev/null +++ b/src/tools/rust-analyzer/crates/stdx/src/rand.rs @@ -0,0 +1,21 @@ +//! We don't use `rand`, as that's too many things for us. +//! +//! We currently use oorandom instead, but it's missing these two utilities. +//! Perhaps we should switch to `fastrand`, or our own small PRNG, it's not like +//! we need anything more complicated than xor-shift. + +pub fn shuffle<T>(slice: &mut [T], mut rand_index: impl FnMut(usize) -> usize) { + let mut remaining = slice.len() - 1; + while remaining > 0 { + let index = rand_index(remaining); + slice.swap(remaining, index); + remaining -= 1; + } +} + +pub fn seed() -> u64 { + use std::collections::hash_map::RandomState; + use std::hash::{BuildHasher, Hasher}; + + RandomState::new().build_hasher().finish() +} diff --git a/src/tools/rust-analyzer/crates/syntax/src/lib.rs b/src/tools/rust-analyzer/crates/syntax/src/lib.rs index 84c66b27e69..6f57cbad66b 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/lib.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/lib.rs @@ -186,7 +186,7 @@ impl SourceFile { /// ``` #[macro_export] macro_rules! match_ast { - (match $node:ident { $($tt:tt)* }) => { match_ast!(match ($node) { $($tt)* }) }; + (match $node:ident { $($tt:tt)* }) => { $crate::match_ast!(match ($node) { $($tt)* }) }; (match ($node:expr) { $( $( $path:ident )::+ ($it:pat) => $res:expr, )* diff --git a/src/tools/rust-analyzer/docs/dev/architecture.md b/src/tools/rust-analyzer/docs/dev/architecture.md index a07cf036e06..895de5798ac 100644 --- a/src/tools/rust-analyzer/docs/dev/architecture.md +++ b/src/tools/rust-analyzer/docs/dev/architecture.md @@ -119,7 +119,7 @@ See [#93](https://github.com/rust-lang/rust-analyzer/pull/93) for an example PR **Architecture Invariant:** `syntax` crate is completely independent from the rest of rust-analyzer. It knows nothing about salsa or LSP. This is important because it is possible to make useful tooling using only the syntax tree. Without semantic information, you don't need to be able to _build_ code, which makes the tooling more robust. -See also https://web.stanford.edu/~mlfbrown/paper.pdf. +See also https://mlfbrown.com/paper.pdf. You can view the `syntax` crate as an entry point to rust-analyzer. `syntax` crate is an **API Boundary**. diff --git a/src/tools/rust-analyzer/docs/dev/lsp-extensions.md b/src/tools/rust-analyzer/docs/dev/lsp-extensions.md index a794e866181..c3623a5cc46 100644 --- a/src/tools/rust-analyzer/docs/dev/lsp-extensions.md +++ b/src/tools/rust-analyzer/docs/dev/lsp-extensions.md @@ -1,5 +1,5 @@ <!--- -lsp_ext.rs hash: ec29403e67dfd15b +lsp_ext.rs hash: d87477896dfe41d4 If you need to change the above hash to make the test pass, please check if you need to adjust this doc as well and ping this issue: diff --git a/src/tools/rust-analyzer/editors/code/src/commands.ts b/src/tools/rust-analyzer/editors/code/src/commands.ts index b5b64e33e07..49a8ca4edba 100644 --- a/src/tools/rust-analyzer/editors/code/src/commands.ts +++ b/src/tools/rust-analyzer/editors/code/src/commands.ts @@ -87,6 +87,12 @@ export function shuffleCrateGraph(ctx: CtxInit): Cmd { }; } +export function triggerParameterHints(_: CtxInit): Cmd { + return async () => { + await vscode.commands.executeCommand("editor.action.triggerParameterHints"); + }; +} + export function matchingBrace(ctx: CtxInit): Cmd { return async () => { const editor = ctx.activeRustEditor; diff --git a/src/tools/rust-analyzer/editors/code/src/main.ts b/src/tools/rust-analyzer/editors/code/src/main.ts index dd439317c70..5987368e6e0 100644 --- a/src/tools/rust-analyzer/editors/code/src/main.ts +++ b/src/tools/rust-analyzer/editors/code/src/main.ts @@ -186,5 +186,6 @@ function createCommands(): Record<string, CommandFactory> { resolveCodeAction: { enabled: commands.resolveCodeAction }, runSingle: { enabled: commands.runSingle }, showReferences: { enabled: commands.showReferences }, + triggerParameterHints: { enabled: commands.triggerParameterHints }, }; } diff --git a/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml b/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml index 9bba9e87ecb..6e32e396052 100644 --- a/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml +++ b/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml @@ -13,4 +13,4 @@ serde = { version = "1.0.144", features = ["derive"] } crossbeam-channel = "0.5.6" [dev-dependencies] -lsp-types = "=0.93.2" +lsp-types = "=0.94" diff --git a/src/tools/rustfmt/src/chains.rs b/src/tools/rustfmt/src/chains.rs index 39b8d687809..cbe523c6c3c 100644 --- a/src/tools/rustfmt/src/chains.rs +++ b/src/tools/rustfmt/src/chains.rs @@ -74,6 +74,8 @@ use crate::utils::{ rewrite_ident, trimmed_last_line_width, wrap_str, }; +use thin_vec::ThinVec; + /// Provides the original input contents from the span /// of a chain element with trailing spaces trimmed. fn format_overflow_style(span: Span, context: &RewriteContext<'_>) -> Option<String> { @@ -168,7 +170,7 @@ enum ChainItemKind { MethodCall( ast::PathSegment, Vec<ast::GenericArg>, - Vec<ptr::P<ast::Expr>>, + ThinVec<ptr::P<ast::Expr>>, ), StructField(symbol::Ident), TupleField(symbol::Ident, bool), diff --git a/src/tools/rustfmt/src/closures.rs b/src/tools/rustfmt/src/closures.rs index 8fd0fcf8f5c..340113866c4 100644 --- a/src/tools/rustfmt/src/closures.rs +++ b/src/tools/rustfmt/src/closures.rs @@ -1,5 +1,6 @@ use rustc_ast::{ast, ptr}; use rustc_span::Span; +use thin_vec::thin_vec; use crate::attr::get_attrs_from_stmt; use crate::config::lists::*; @@ -150,7 +151,7 @@ fn rewrite_closure_with_block( } let block = ast::Block { - stmts: vec![ast::Stmt { + stmts: thin_vec![ast::Stmt { id: ast::NodeId::root(), kind: ast::StmtKind::Expr(ptr::P(body.clone())), span: body.span, diff --git a/src/tools/rustfmt/src/lib.rs b/src/tools/rustfmt/src/lib.rs index 0c27bcacfb8..b27405efdb7 100644 --- a/src/tools/rustfmt/src/lib.rs +++ b/src/tools/rustfmt/src/lib.rs @@ -23,6 +23,7 @@ extern crate rustc_expand; extern crate rustc_parse; extern crate rustc_session; extern crate rustc_span; +extern crate thin_vec; // Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta // files. diff --git a/src/tools/rustfmt/src/modules.rs b/src/tools/rustfmt/src/modules.rs index 7a0d1736c59..af9a154a6ae 100644 --- a/src/tools/rustfmt/src/modules.rs +++ b/src/tools/rustfmt/src/modules.rs @@ -6,6 +6,7 @@ use rustc_ast::ast; use rustc_ast::visit::Visitor; use rustc_span::symbol::{self, sym, Symbol}; use rustc_span::Span; +use thin_vec::ThinVec; use thiserror::Error; use crate::attr::MetaVisitor; @@ -25,7 +26,7 @@ type FileModMap<'ast> = BTreeMap<FileName, Module<'ast>>; #[derive(Debug, Clone)] pub(crate) struct Module<'a> { ast_mod_kind: Option<Cow<'a, ast::ModKind>>, - pub(crate) items: Cow<'a, Vec<rustc_ast::ptr::P<ast::Item>>>, + pub(crate) items: Cow<'a, ThinVec<rustc_ast::ptr::P<ast::Item>>>, inner_attr: ast::AttrVec, pub(crate) span: Span, } @@ -34,7 +35,7 @@ impl<'a> Module<'a> { pub(crate) fn new( mod_span: Span, ast_mod_kind: Option<Cow<'a, ast::ModKind>>, - mod_items: Cow<'a, Vec<rustc_ast::ptr::P<ast::Item>>>, + mod_items: Cow<'a, ThinVec<rustc_ast::ptr::P<ast::Item>>>, mod_attrs: Cow<'a, ast::AttrVec>, ) -> Self { let inner_attr = mod_attrs @@ -157,7 +158,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> { Module::new( module_item.item.span, Some(Cow::Owned(sub_mod_kind.clone())), - Cow::Owned(vec![]), + Cow::Owned(ThinVec::new()), Cow::Owned(ast::AttrVec::new()), ), )?; @@ -169,7 +170,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> { /// Visit modules defined inside macro calls. fn visit_mod_outside_ast( &mut self, - items: Vec<rustc_ast::ptr::P<ast::Item>>, + items: ThinVec<rustc_ast::ptr::P<ast::Item>>, ) -> Result<(), ModuleResolutionError> { for item in items { if is_cfg_if(&item) { @@ -184,7 +185,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> { Module::new( span, Some(Cow::Owned(sub_mod_kind.clone())), - Cow::Owned(vec![]), + Cow::Owned(ThinVec::new()), Cow::Owned(ast::AttrVec::new()), ), )?; @@ -210,7 +211,7 @@ impl<'ast, 'sess, 'c> ModResolver<'ast, 'sess> { Module::new( span, Some(Cow::Borrowed(sub_mod_kind)), - Cow::Owned(vec![]), + Cow::Owned(ThinVec::new()), Cow::Borrowed(&item.attrs), ), )?; diff --git a/src/tools/rustfmt/src/parse/parser.rs b/src/tools/rustfmt/src/parse/parser.rs index e0bd065518b..7ab042506bd 100644 --- a/src/tools/rustfmt/src/parse/parser.rs +++ b/src/tools/rustfmt/src/parse/parser.rs @@ -6,6 +6,7 @@ use rustc_ast::{ast, ptr}; use rustc_errors::Diagnostic; use rustc_parse::{new_parser_from_file, parser::Parser as RawParser}; use rustc_span::{sym, Span}; +use thin_vec::ThinVec; use crate::attr::first_attr_value_str_by_name; use crate::parse::session::ParseSess; @@ -109,7 +110,7 @@ impl<'a> Parser<'a> { sess: &'a ParseSess, path: &Path, span: Span, - ) -> Result<(ast::AttrVec, Vec<ptr::P<ast::Item>>, Span), ParserError> { + ) -> Result<(ast::AttrVec, ThinVec<ptr::P<ast::Item>>, Span), ParserError> { let result = catch_unwind(AssertUnwindSafe(|| { let mut parser = new_parser_from_file(sess.inner(), path, Some(span)); match parser.parse_mod(&TokenKind::Eof) { diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs index 9014026b0aa..a64963db6a7 100644 --- a/src/tools/rustfmt/src/parse/session.rs +++ b/src/tools/rustfmt/src/parse/session.rs @@ -123,8 +123,10 @@ fn default_handler( let emitter = if hide_parse_errors { silent_emitter() } else { - let fallback_bundle = - rustc_errors::fallback_fluent_bundle(rustc_errors::DEFAULT_LOCALE_RESOURCES, false); + let fallback_bundle = rustc_errors::fallback_fluent_bundle( + rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(), + false, + ); Box::new(EmitterWriter::stderr( color_cfg, Some(source_map.clone()), diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 4c93f8a16b6..bddfdcfaf19 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -120,6 +120,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "dissimilar", "dlmalloc", "either", + "elsa", "ena", "expect-test", "fallible-iterator", // dependency of `thorin` diff --git a/tests/codegen/function-arguments.rs b/tests/codegen/function-arguments.rs index 96dfde18683..d6f019016a5 100644 --- a/tests/codegen/function-arguments.rs +++ b/tests/codegen/function-arguments.rs @@ -1,6 +1,7 @@ // compile-flags: -O -C no-prepopulate-passes #![crate_type = "lib"] +#![feature(dyn_star)] use std::mem::MaybeUninit; use std::num::NonZeroU64; @@ -279,3 +280,11 @@ pub fn enum_id_1(x: Option<Result<u16, u16>>) -> Option<Result<u16, u16>> { pub fn enum_id_2(x: Option<u8>) -> Option<u8> { x } + +// CHECK: { {{\{\}\*|ptr}}, {{.+}} } @dyn_star({{\{\}\*|ptr}} noundef %x.0, {{.+}} noalias noundef readonly align {{.*}} dereferenceable({{.*}}) %x.1) +// Expect an ABI something like `{ {}*, [3 x i64]* }`, but that's hard to match on generically, +// so do like the `trait_box` test and just match on `{{.+}}` for the vtable. +#[no_mangle] +pub fn dyn_star(x: dyn* Drop) -> dyn* Drop { + x +} diff --git a/tests/codegen/inherit_overflow.rs b/tests/codegen/inherit_overflow.rs new file mode 100644 index 00000000000..0b0b890b2c9 --- /dev/null +++ b/tests/codegen/inherit_overflow.rs @@ -0,0 +1,14 @@ +// compile-flags: -Zmir-enable-passes=+Inline,+ConstProp --crate-type lib +// revisions: ASSERT NOASSERT +//[ASSERT] compile-flags: -Coverflow-checks=on +//[NOASSERT] compile-flags: -Coverflow-checks=off + +// CHECK-LABEL: define{{.*}} @assertion +// ASSERT: call void @_ZN4core9panicking5panic17h +// NOASSERT: ret i8 0 +#[no_mangle] +pub fn assertion() -> u8 { + // Optimized MIR will replace this `CheckedBinaryOp` by `const (0, true)`. + // Verify that codegen does or does not emit the panic. + <u8 as std::ops::Add>::add(255, 1) +} diff --git a/tests/codegen/sanitizer-kasan-emits-instrumentation.rs b/tests/codegen/sanitizer-kasan-emits-instrumentation.rs new file mode 100644 index 00000000000..d6e3f2719df --- /dev/null +++ b/tests/codegen/sanitizer-kasan-emits-instrumentation.rs @@ -0,0 +1,47 @@ +// Verifies that `-Zsanitizer=kernel-address` emits sanitizer instrumentation. + +// compile-flags: -Zsanitizer=kernel-address +// revisions: aarch64 riscv64imac riscv64gc x86_64 +//[aarch64] compile-flags: --target aarch64-unknown-none +//[aarch64] needs-llvm-components: aarch64 +//[riscv64imac] compile-flags: --target riscv64imac-unknown-none-elf +//[riscv64imac] needs-llvm-components: riscv +//[riscv64imac] min-llvm-version: 16 +//[riscv64gc] compile-flags: --target riscv64gc-unknown-none-elf +//[riscv64gc] needs-llvm-components: riscv +//[riscv64gc] min-llvm-version: 16 +//[x86_64] compile-flags: --target x86_64-unknown-none +//[x86_64] needs-llvm-components: x86 + +#![crate_type = "rlib"] +#![feature(no_core, no_sanitize, lang_items)] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +#[lang = "copy"] +trait Copy {} + +impl Copy for u8 {} + +// CHECK-LABEL: ; sanitizer_kasan_emits_instrumentation::unsanitized +// CHECK-NEXT: ; Function Attrs: +// CHECK-NOT: sanitize_address +// CHECK: start: +// CHECK-NOT: call void @__asan_report_load +// CHECK: } +#[no_sanitize(address)] +pub fn unsanitized(b: &mut u8) -> u8 { + *b +} + +// CHECK-LABEL: ; sanitizer_kasan_emits_instrumentation::sanitized +// CHECK-NEXT: ; Function Attrs: +// CHECK: sanitize_address +// CHECK: start: +// CHECK: call void @__asan_report_load +// CHECK: } +pub fn sanitized(b: &mut u8) -> u8 { + *b +} diff --git a/tests/mir-opt/casts.redundant.InstCombine.diff b/tests/mir-opt/casts.redundant.InstCombine.diff new file mode 100644 index 00000000000..528a8e5a90f --- /dev/null +++ b/tests/mir-opt/casts.redundant.InstCombine.diff @@ -0,0 +1,25 @@ +- // MIR for `redundant` before InstCombine ++ // MIR for `redundant` after InstCombine + + fn redundant(_1: *const &u8) -> *const &u8 { + debug x => _1; // in scope 0 at $DIR/casts.rs:+0:30: +0:31 + let mut _0: *const &u8; // return place in scope 0 at $DIR/casts.rs:+0:51: +0:64 + let mut _2: *const &u8; // in scope 0 at $DIR/casts.rs:+1:5: +1:55 + let mut _3: *const &u8; // in scope 0 at $DIR/casts.rs:+1:36: +1:37 + scope 1 (inlined generic_cast::<&u8, &u8>) { // at $DIR/casts.rs:6:5: 6:38 + debug x => _3; // in scope 1 at $DIR/casts.rs:10:23: 10:24 + } + + bb0: { + StorageLive(_2); // scope 0 at $DIR/casts.rs:+1:5: +1:55 + StorageLive(_3); // scope 0 at $DIR/casts.rs:+1:36: +1:37 + _3 = _1; // scope 0 at $DIR/casts.rs:+1:36: +1:37 +- _2 = _3 as *const &u8 (PtrToPtr); // scope 1 at $DIR/casts.rs:11:5: 11:18 ++ _2 = _3; // scope 1 at $DIR/casts.rs:11:5: 11:18 + StorageDead(_3); // scope 0 at $DIR/casts.rs:+1:37: +1:38 + _0 = _2; // scope 0 at $DIR/casts.rs:+1:5: +1:55 + StorageDead(_2); // scope 0 at $DIR/casts.rs:+2:1: +2:2 + return; // scope 0 at $DIR/casts.rs:+2:2: +2:2 + } + } + diff --git a/tests/mir-opt/casts.redundant.PreCodegen.after.mir b/tests/mir-opt/casts.redundant.PreCodegen.after.mir new file mode 100644 index 00000000000..21a470ea300 --- /dev/null +++ b/tests/mir-opt/casts.redundant.PreCodegen.after.mir @@ -0,0 +1,14 @@ +// MIR for `redundant` after PreCodegen + +fn redundant(_1: *const &u8) -> *const &u8 { + debug x => _1; // in scope 0 at $DIR/casts.rs:+0:30: +0:31 + let mut _0: *const &u8; // return place in scope 0 at $DIR/casts.rs:+0:51: +0:64 + scope 1 (inlined generic_cast::<&u8, &u8>) { // at $DIR/casts.rs:6:5: 6:38 + debug x => _1; // in scope 1 at $DIR/casts.rs:10:23: 10:24 + } + + bb0: { + _0 = _1; // scope 0 at $DIR/casts.rs:+1:5: +1:55 + return; // scope 0 at $DIR/casts.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir b/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir new file mode 100644 index 00000000000..0c793984ceb --- /dev/null +++ b/tests/mir-opt/casts.roundtrip.PreCodegen.after.mir @@ -0,0 +1,15 @@ +// MIR for `roundtrip` after PreCodegen + +fn roundtrip(_1: *const u8) -> *const u8 { + debug x => _1; // in scope 0 at $DIR/casts.rs:+0:18: +0:19 + let mut _0: *const u8; // return place in scope 0 at $DIR/casts.rs:+0:35: +0:44 + let mut _2: *mut u8; // in scope 0 at $DIR/casts.rs:+1:5: +1:17 + + bb0: { + StorageLive(_2); // scope 0 at $DIR/casts.rs:+1:5: +1:17 + _2 = _1 as *mut u8 (PtrToPtr); // scope 0 at $DIR/casts.rs:+1:5: +1:17 + _0 = move _2 as *const u8 (Pointer(MutToConstPointer)); // scope 0 at $DIR/casts.rs:+1:5: +1:17 + StorageDead(_2); // scope 0 at $DIR/casts.rs:+1:16: +1:17 + return; // scope 0 at $DIR/casts.rs:+2:2: +2:2 + } +} diff --git a/tests/mir-opt/casts.rs b/tests/mir-opt/casts.rs new file mode 100644 index 00000000000..259c462da3d --- /dev/null +++ b/tests/mir-opt/casts.rs @@ -0,0 +1,17 @@ +#![crate_type = "lib"] + +// EMIT_MIR casts.redundant.InstCombine.diff +// EMIT_MIR casts.redundant.PreCodegen.after.mir +pub fn redundant<'a, 'b: 'a>(x: *const &'a u8) -> *const &'a u8 { + generic_cast::<&'a u8, &'b u8>(x) as *const &'a u8 +} + +#[inline] +fn generic_cast<T, U>(x: *const T) -> *const U { + x as *const U +} + +// EMIT_MIR casts.roundtrip.PreCodegen.after.mir +pub fn roundtrip(x: *const u8) -> *const u8 { + x as *mut u8 as *const u8 +} diff --git a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff index bea32a67ef4..900061a484b 100644 --- a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff +++ b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff @@ -24,9 +24,10 @@ StorageLive(_3); // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19 - _3 = _1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19 - _4 = Eq(_3, const 0_i32); // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 +- assert(!move _4, "attempt to divide `{}` by zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 + _3 = const 0_i32; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19 + _4 = const true; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 - assert(!move _4, "attempt to divide `{}` by zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 ++ assert(!const true, "attempt to divide `{}` by zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 } bb1: { diff --git a/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff new file mode 100644 index 00000000000..d03c23a3fb5 --- /dev/null +++ b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff @@ -0,0 +1,39 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11 + let mut _1: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + let mut _2: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + let mut _3: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + scope 1 { + } + scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:8:13: 8:47 + debug self => _2; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + debug other => _3; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + let mut _4: (u8, bool); // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + } + + bb0: { + StorageLive(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageLive(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + _2 = const u8::MAX; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageLive(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + _3 = const 1_u8; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 +- _4 = CheckedAdd(_2, _3); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL +- assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _4 = const (0_u8, true); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ assert(!const true, "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + } + + bb1: { +- _1 = move (_4.0: u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _1 = const 0_u8; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + StorageDead(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageDead(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageDead(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48 + _0 = const (); // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2 + return; // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2 + } + } + diff --git a/tests/mir-opt/const_prop/inherit_overflow.rs b/tests/mir-opt/const_prop/inherit_overflow.rs new file mode 100644 index 00000000000..541a8c5c3af --- /dev/null +++ b/tests/mir-opt/const_prop/inherit_overflow.rs @@ -0,0 +1,9 @@ +// unit-test: ConstProp +// compile-flags: -Zmir-enable-passes=+Inline + +// EMIT_MIR inherit_overflow.main.ConstProp.diff +fn main() { + // After inlining, this will contain a `CheckedBinaryOp`. + // Propagating the overflow is ok as codegen will just skip emitting the panic. + let _ = <u8 as std::ops::Add>::add(255, 1); +} diff --git a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff index a4ebd0c8c18..944afed8f46 100644 --- a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff +++ b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff @@ -61,7 +61,7 @@ - assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18 + _9 = const i32::MAX; // scope 4 at $DIR/checked.rs:+6:13: +6:14 + _10 = CheckedAdd(const i32::MAX, const 1_i32); // scope 4 at $DIR/checked.rs:+6:13: +6:18 -+ assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18 ++ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18 } bb2: { diff --git a/tests/mir-opt/dataflow-const-prop/enum.multiple.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/enum.multiple.DataflowConstProp.diff new file mode 100644 index 00000000000..c4002d65e5d --- /dev/null +++ b/tests/mir-opt/dataflow-const-prop/enum.multiple.DataflowConstProp.diff @@ -0,0 +1,82 @@ +- // MIR for `multiple` before DataflowConstProp ++ // MIR for `multiple` after DataflowConstProp + + fn multiple(_1: bool, _2: u8) -> () { + debug x => _1; // in scope 0 at $DIR/enum.rs:+0:13: +0:14 + debug i => _2; // in scope 0 at $DIR/enum.rs:+0:22: +0:23 + let mut _0: (); // return place in scope 0 at $DIR/enum.rs:+0:29: +0:29 + let _3: std::option::Option<u8>; // in scope 0 at $DIR/enum.rs:+1:9: +1:10 + let mut _4: bool; // in scope 0 at $DIR/enum.rs:+1:16: +1:17 + let mut _5: u8; // in scope 0 at $DIR/enum.rs:+2:14: +2:15 + let mut _7: isize; // in scope 0 at $DIR/enum.rs:+9:23: +9:30 + scope 1 { + debug e => _3; // in scope 1 at $DIR/enum.rs:+1:9: +1:10 + let _6: u8; // in scope 1 at $DIR/enum.rs:+9:9: +9:10 + let _8: u8; // in scope 1 at $DIR/enum.rs:+9:28: +9:29 + scope 2 { + debug x => _6; // in scope 2 at $DIR/enum.rs:+9:9: +9:10 + let _9: u8; // in scope 2 at $DIR/enum.rs:+11:9: +11:10 + scope 4 { + debug y => _9; // in scope 4 at $DIR/enum.rs:+11:9: +11:10 + } + } + scope 3 { + debug i => _8; // in scope 3 at $DIR/enum.rs:+9:28: +9:29 + } + } + + bb0: { + StorageLive(_3); // scope 0 at $DIR/enum.rs:+1:9: +1:10 + StorageLive(_4); // scope 0 at $DIR/enum.rs:+1:16: +1:17 + _4 = _1; // scope 0 at $DIR/enum.rs:+1:16: +1:17 + switchInt(move _4) -> [0: bb2, otherwise: bb1]; // scope 0 at $DIR/enum.rs:+1:16: +1:17 + } + + bb1: { + StorageLive(_5); // scope 0 at $DIR/enum.rs:+2:14: +2:15 + _5 = _2; // scope 0 at $DIR/enum.rs:+2:14: +2:15 + _3 = Option::<u8>::Some(move _5); // scope 0 at $DIR/enum.rs:+2:9: +2:16 + StorageDead(_5); // scope 0 at $DIR/enum.rs:+2:15: +2:16 + goto -> bb3; // scope 0 at $DIR/enum.rs:+1:13: +5:6 + } + + bb2: { + _3 = Option::<u8>::None; // scope 0 at $DIR/enum.rs:+4:9: +4:13 + goto -> bb3; // scope 0 at $DIR/enum.rs:+1:13: +5:6 + } + + bb3: { + StorageDead(_4); // scope 0 at $DIR/enum.rs:+5:5: +5:6 + StorageLive(_6); // scope 1 at $DIR/enum.rs:+9:9: +9:10 + _7 = discriminant(_3); // scope 1 at $DIR/enum.rs:+9:19: +9:20 + switchInt(move _7) -> [0: bb4, 1: bb6, otherwise: bb5]; // scope 1 at $DIR/enum.rs:+9:13: +9:20 + } + + bb4: { + _6 = const 0_u8; // scope 1 at $DIR/enum.rs:+9:45: +9:46 + goto -> bb7; // scope 1 at $DIR/enum.rs:+9:45: +9:46 + } + + bb5: { + unreachable; // scope 1 at $DIR/enum.rs:+9:19: +9:20 + } + + bb6: { + StorageLive(_8); // scope 1 at $DIR/enum.rs:+9:28: +9:29 + _8 = ((_3 as Some).0: u8); // scope 1 at $DIR/enum.rs:+9:28: +9:29 + _6 = _8; // scope 3 at $DIR/enum.rs:+9:34: +9:35 + StorageDead(_8); // scope 1 at $DIR/enum.rs:+9:34: +9:35 + goto -> bb7; // scope 1 at $DIR/enum.rs:+9:34: +9:35 + } + + bb7: { + StorageLive(_9); // scope 2 at $DIR/enum.rs:+11:9: +11:10 + _9 = _6; // scope 2 at $DIR/enum.rs:+11:13: +11:14 + _0 = const (); // scope 0 at $DIR/enum.rs:+0:29: +12:2 + StorageDead(_9); // scope 2 at $DIR/enum.rs:+12:1: +12:2 + StorageDead(_6); // scope 1 at $DIR/enum.rs:+12:1: +12:2 + StorageDead(_3); // scope 0 at $DIR/enum.rs:+12:1: +12:2 + return; // scope 0 at $DIR/enum.rs:+12:2: +12:2 + } + } + diff --git a/tests/mir-opt/dataflow-const-prop/enum.rs b/tests/mir-opt/dataflow-const-prop/enum.rs index 7ea405bd9c4..79a20d7ef45 100644 --- a/tests/mir-opt/dataflow-const-prop/enum.rs +++ b/tests/mir-opt/dataflow-const-prop/enum.rs @@ -46,7 +46,23 @@ fn mutate_discriminant() -> u8 { ) } +// EMIT_MIR enum.multiple.DataflowConstProp.diff +fn multiple(x: bool, i: u8) { + let e = if x { + Some(i) + } else { + None + }; + // The dataflow state must have: + // discriminant(e) => Top + // (e as Some).0 => Top + let x = match e { Some(i) => i, None => 0 }; + // Therefore, `x` should be `Top` here, and no replacement shall happen. + let y = x; +} + fn main() { simple(); mutate_discriminant(); + multiple(false, 5); } diff --git a/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff index 1fb65e65845..22bdc35d694 100644 --- a/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff +++ b/tests/mir-opt/dataflow-const-prop/enum.simple.DataflowConstProp.diff @@ -45,8 +45,10 @@ bb3: { StorageLive(_4); // scope 1 at $DIR/enum.rs:+2:29: +2:30 - _4 = ((_1 as V1).0: i32); // scope 1 at $DIR/enum.rs:+2:29: +2:30 - _2 = _4; // scope 3 at $DIR/enum.rs:+2:35: +2:36 +- _4 = ((_1 as V1).0: i32); // scope 1 at $DIR/enum.rs:+2:29: +2:30 +- _2 = _4; // scope 3 at $DIR/enum.rs:+2:35: +2:36 ++ _4 = const 0_i32; // scope 1 at $DIR/enum.rs:+2:29: +2:30 ++ _2 = const 0_i32; // scope 3 at $DIR/enum.rs:+2:35: +2:36 StorageDead(_4); // scope 1 at $DIR/enum.rs:+2:35: +2:36 goto -> bb4; // scope 1 at $DIR/enum.rs:+2:35: +2:36 } diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff index 33122f465fe..29781e9ce18 100644 --- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff +++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff @@ -5,26 +5,34 @@ let mut _0: (); // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11 let mut _1: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 let mut _2: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + let mut _3: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 scope 1 { } - scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:7:13: 7:47 - debug self => _1; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL - debug other => _2; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL - let mut _3: (u8, bool); // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:8:13: 8:47 + debug self => _2; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + debug other => _3; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + let mut _4: (u8, bool); // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL } bb0: { StorageLive(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - _1 = const u8::MAX; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 StorageLive(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - _2 = const 1_u8; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - _3 = CheckedAdd(const u8::MAX, const 1_u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL - assert(!move (_3.1: bool), "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + _2 = const u8::MAX; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageLive(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + _3 = const 1_u8; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 +- _4 = CheckedAdd(_2, _3); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL +- assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _4 = CheckedAdd(const u8::MAX, const 1_u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL } bb1: { +- _1 = move (_4.0: u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _1 = const 0_u8; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + StorageDead(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 StorageDead(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - StorageDead(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageDead(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48 + _0 = const (); // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2 return; // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2 } } diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs b/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs index 2f2d9d0102d..f4aba60f0c8 100644 --- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs +++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs @@ -1,8 +1,9 @@ -// compile-flags: -Zunsound-mir-opts +// unit-test: DataflowConstProp +// compile-flags: -Zmir-enable-passes=+Inline // EMIT_MIR inherit_overflow.main.DataflowConstProp.diff fn main() { - // After inlining, this will contain a `CheckedBinaryOp`. The overflow - // must be ignored by the constant propagation to avoid triggering a panic. + // After inlining, this will contain a `CheckedBinaryOp`. + // Propagating the overflow is ok as codegen will just skip emitting the panic. let _ = <u8 as std::ops::Add>::add(255, 1); } diff --git a/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.diff b/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.diff index 5ebaacd4ba9..1f5c533815d 100644 --- a/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.diff +++ b/tests/mir-opt/funky_arms.float_to_exponential_common.ConstProp.diff @@ -86,8 +86,6 @@ bb6: { _10 = ((_7 as Some).0: usize); // scope 3 at $DIR/funky_arms.rs:+13:17: +13:26 - StorageLive(_11); // scope 3 at $DIR/funky_arms.rs:+15:43: +15:46 - _11 = &mut (*_1); // scope 3 at $DIR/funky_arms.rs:+15:43: +15:46 StorageLive(_13); // scope 3 at $DIR/funky_arms.rs:+15:53: +15:57 _13 = _6; // scope 3 at $DIR/funky_arms.rs:+15:53: +15:57 StorageLive(_14); // scope 3 at $DIR/funky_arms.rs:+15:59: +15:79 @@ -95,7 +93,7 @@ _15 = _10 as u32 (IntToInt); // scope 3 at $DIR/funky_arms.rs:+15:59: +15:75 _14 = Add(move _15, const 1_u32); // scope 3 at $DIR/funky_arms.rs:+15:59: +15:79 StorageDead(_15); // scope 3 at $DIR/funky_arms.rs:+15:78: +15:79 - _0 = float_to_exponential_common_exact::<T>(move _11, _2, move _13, move _14, _3) -> bb7; // scope 3 at $DIR/funky_arms.rs:+15:9: +15:87 + _0 = float_to_exponential_common_exact::<T>(_1, _2, move _13, move _14, _3) -> bb7; // scope 3 at $DIR/funky_arms.rs:+15:9: +15:87 // mir::Constant // + span: $DIR/funky_arms.rs:26:9: 26:42 // + literal: Const { ty: for<'a, 'b, 'c> fn(&'a mut Formatter<'b>, &'c T, Sign, u32, bool) -> Result<(), std::fmt::Error> {float_to_exponential_common_exact::<T>}, val: Value(<ZST>) } @@ -104,16 +102,13 @@ bb7: { StorageDead(_14); // scope 3 at $DIR/funky_arms.rs:+15:86: +15:87 StorageDead(_13); // scope 3 at $DIR/funky_arms.rs:+15:86: +15:87 - StorageDead(_11); // scope 3 at $DIR/funky_arms.rs:+15:86: +15:87 goto -> bb10; // scope 2 at $DIR/funky_arms.rs:+13:5: +18:6 } bb8: { - StorageLive(_18); // scope 2 at $DIR/funky_arms.rs:+17:46: +17:49 - _18 = &mut (*_1); // scope 2 at $DIR/funky_arms.rs:+17:46: +17:49 StorageLive(_20); // scope 2 at $DIR/funky_arms.rs:+17:56: +17:60 _20 = _6; // scope 2 at $DIR/funky_arms.rs:+17:56: +17:60 - _0 = float_to_exponential_common_shortest::<T>(move _18, _2, move _20, _3) -> bb9; // scope 2 at $DIR/funky_arms.rs:+17:9: +17:68 + _0 = float_to_exponential_common_shortest::<T>(_1, _2, move _20, _3) -> bb9; // scope 2 at $DIR/funky_arms.rs:+17:9: +17:68 // mir::Constant // + span: $DIR/funky_arms.rs:28:9: 28:45 // + literal: Const { ty: for<'a, 'b, 'c> fn(&'a mut Formatter<'b>, &'c T, Sign, bool) -> Result<(), std::fmt::Error> {float_to_exponential_common_shortest::<T>}, val: Value(<ZST>) } @@ -121,7 +116,6 @@ bb9: { StorageDead(_20); // scope 2 at $DIR/funky_arms.rs:+17:67: +17:68 - StorageDead(_18); // scope 2 at $DIR/funky_arms.rs:+17:67: +17:68 goto -> bb10; // scope 2 at $DIR/funky_arms.rs:+13:5: +18:6 } diff --git a/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.a.Inline.after.mir b/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.a.Inline.after.mir index dc0c3235043..6441a9668de 100644 --- a/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.a.Inline.after.mir +++ b/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.a.Inline.after.mir @@ -8,7 +8,6 @@ fn a(_1: &mut [T]) -> &mut [T] { let mut _4: &mut [T]; // in scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 scope 1 (inlined <[T] as AsMut<[T]>>::as_mut) { // at $DIR/issue_58867_inline_as_ref_as_mut.rs:3:7: 3:15 debug self => _4; // in scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL - let mut _5: &mut [T]; // in scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL } bb0: { @@ -16,10 +15,7 @@ fn a(_1: &mut [T]) -> &mut [T] { StorageLive(_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 StorageLive(_4); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 _4 = &mut (*_1); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 - StorageLive(_5); // scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL - _5 = &mut (*_4); // scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL - _3 = &mut (*_5); // scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL - StorageDead(_5); // scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL + _3 = _4; // scope 1 at $SRC_DIR/core/src/convert/mod.rs:LL:COL _2 = &mut (*_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 StorageDead(_4); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:14: +1:15 _0 = &mut (*_2); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 diff --git a/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.b.Inline.after.mir b/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.b.Inline.after.mir index b6aff30149f..21570a88a6b 100644 --- a/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.b.Inline.after.mir +++ b/tests/mir-opt/inline/issue_58867_inline_as_ref_as_mut.b.Inline.after.mir @@ -8,10 +8,8 @@ fn b(_1: &mut Box<T>) -> &mut T { let mut _4: &mut std::boxed::Box<T>; // in scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 scope 1 (inlined <Box<T> as AsMut<T>>::as_mut) { // at $DIR/issue_58867_inline_as_ref_as_mut.rs:8:7: 8:15 debug self => _4; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - let mut _5: &mut T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - let mut _6: &mut T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - let mut _7: std::boxed::Box<T>; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - let mut _8: *const T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL + let mut _5: std::boxed::Box<T>; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL + let mut _6: *const T; // in scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL } bb0: { @@ -19,15 +17,9 @@ fn b(_1: &mut Box<T>) -> &mut T { StorageLive(_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 StorageLive(_4); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 _4 = &mut (*_1); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 - StorageLive(_5); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - StorageLive(_6); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - _7 = deref_copy (*_4); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - _8 = (((_7.0: std::ptr::Unique<T>).0: std::ptr::NonNull<T>).0: *const T); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - _6 = &mut (*_8); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - _5 = &mut (*_6); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - _3 = &mut (*_5); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - StorageDead(_6); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL - StorageDead(_5); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL + _5 = deref_copy (*_4); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL + _6 = (((_5.0: std::ptr::Unique<T>).0: std::ptr::NonNull<T>).0: *const T); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL + _3 = &mut (*_6); // scope 1 at $SRC_DIR/alloc/src/boxed.rs:LL:COL _2 = &mut (*_3); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 StorageDead(_4); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:14: +1:15 _0 = &mut (*_2); // scope 0 at $DIR/issue_58867_inline_as_ref_as_mut.rs:+1:5: +1:15 diff --git a/tests/mir-opt/issue_41110.main.ElaborateDrops.after.mir b/tests/mir-opt/issue_41110.main.ElaborateDrops.after.mir deleted file mode 100644 index c2ea3ac502f..00000000000 --- a/tests/mir-opt/issue_41110.main.ElaborateDrops.after.mir +++ /dev/null @@ -1,70 +0,0 @@ -// MIR for `main` after ElaborateDrops - -fn main() -> () { - let mut _0: (); // return place in scope 0 at $DIR/issue_41110.rs:+0:11: +0:11 - let _1: (); // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 - let mut _2: S; // in scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 - let mut _3: S; // in scope 0 at $DIR/issue_41110.rs:+1:21: +1:27 - let mut _4: S; // in scope 0 at $DIR/issue_41110.rs:+1:21: +1:22 - let mut _5: bool; // in scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - scope 1 { - debug x => _1; // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10 - } - - bb0: { - _5 = const false; // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 - StorageLive(_1); // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 - StorageLive(_2); // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 - _5 = const true; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 - _2 = S; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 - StorageLive(_3); // scope 0 at $DIR/issue_41110.rs:+1:21: +1:27 - StorageLive(_4); // scope 0 at $DIR/issue_41110.rs:+1:21: +1:22 - _4 = S; // scope 0 at $DIR/issue_41110.rs:+1:21: +1:22 - _3 = S::id(move _4) -> [return: bb1, unwind: bb4]; // scope 0 at $DIR/issue_41110.rs:+1:21: +1:27 - // mir::Constant - // + span: $DIR/issue_41110.rs:8:23: 8:25 - // + literal: Const { ty: fn(S) -> S {S::id}, val: Value(<ZST>) } - } - - bb1: { - StorageDead(_4); // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27 - _5 = const false; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:28 - _1 = S::other(move _2, move _3) -> [return: bb2, unwind: bb3]; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:28 - // mir::Constant - // + span: $DIR/issue_41110.rs:8:15: 8:20 - // + literal: Const { ty: fn(S, S) {S::other}, val: Value(<ZST>) } - } - - bb2: { - StorageDead(_3); // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - _5 = const false; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - StorageDead(_2); // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - _0 = const (); // scope 0 at $DIR/issue_41110.rs:+0:11: +2:2 - StorageDead(_1); // scope 0 at $DIR/issue_41110.rs:+2:1: +2:2 - return; // scope 0 at $DIR/issue_41110.rs:+2:2: +2:2 - } - - bb3 (cleanup): { - goto -> bb5; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - } - - bb4 (cleanup): { - goto -> bb5; // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27 - } - - bb5 (cleanup): { - goto -> bb8; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - } - - bb6 (cleanup): { - resume; // scope 0 at $DIR/issue_41110.rs:+0:1: +2:2 - } - - bb7 (cleanup): { - drop(_2) -> bb6; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - } - - bb8 (cleanup): { - switchInt(_5) -> [0: bb6, otherwise: bb7]; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 - } -} diff --git a/tests/mir-opt/issue_41110.main.ElaborateDrops.diff b/tests/mir-opt/issue_41110.main.ElaborateDrops.diff new file mode 100644 index 00000000000..7ac75b51a37 --- /dev/null +++ b/tests/mir-opt/issue_41110.main.ElaborateDrops.diff @@ -0,0 +1,75 @@ +- // MIR for `main` before ElaborateDrops ++ // MIR for `main` after ElaborateDrops + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue_41110.rs:+0:11: +0:11 + let _1: (); // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 + let mut _2: S; // in scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 + let mut _3: S; // in scope 0 at $DIR/issue_41110.rs:+1:21: +1:27 + let mut _4: S; // in scope 0 at $DIR/issue_41110.rs:+1:21: +1:22 ++ let mut _5: bool; // in scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 + scope 1 { + debug x => _1; // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10 + } + + bb0: { ++ _5 = const false; // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 + StorageLive(_1); // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 + StorageLive(_2); // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 ++ _5 = const true; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 + _2 = S; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 + StorageLive(_3); // scope 0 at $DIR/issue_41110.rs:+1:21: +1:27 + StorageLive(_4); // scope 0 at $DIR/issue_41110.rs:+1:21: +1:22 + _4 = S; // scope 0 at $DIR/issue_41110.rs:+1:21: +1:22 + _3 = S::id(move _4) -> [return: bb1, unwind: bb4]; // scope 0 at $DIR/issue_41110.rs:+1:21: +1:27 + // mir::Constant + // + span: $DIR/issue_41110.rs:8:23: 8:25 + // + literal: Const { ty: fn(S) -> S {S::id}, val: Value(<ZST>) } + } + + bb1: { + StorageDead(_4); // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27 ++ _5 = const false; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:28 + _1 = S::other(move _2, move _3) -> [return: bb2, unwind: bb3]; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:28 + // mir::Constant + // + span: $DIR/issue_41110.rs:8:15: 8:20 + // + literal: Const { ty: fn(S, S) {S::other}, val: Value(<ZST>) } + } + + bb2: { + StorageDead(_3); // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 ++ _5 = const false; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 + StorageDead(_2); // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 + _0 = const (); // scope 0 at $DIR/issue_41110.rs:+0:11: +2:2 + StorageDead(_1); // scope 0 at $DIR/issue_41110.rs:+2:1: +2:2 + return; // scope 0 at $DIR/issue_41110.rs:+2:2: +2:2 + } + + bb3 (cleanup): { +- drop(_3) -> bb5; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 ++ goto -> bb5; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 + } + + bb4 (cleanup): { +- drop(_4) -> bb5; // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27 ++ goto -> bb5; // scope 0 at $DIR/issue_41110.rs:+1:26: +1:27 + } + + bb5 (cleanup): { +- drop(_2) -> bb6; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 ++ goto -> bb8; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 + } + + bb6 (cleanup): { + resume; // scope 0 at $DIR/issue_41110.rs:+0:1: +2:2 ++ } ++ ++ bb7 (cleanup): { ++ drop(_2) -> bb6; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 ++ } ++ ++ bb8 (cleanup): { ++ switchInt(_5) -> [0: bb6, otherwise: bb7]; // scope 0 at $DIR/issue_41110.rs:+1:27: +1:28 + } + } + diff --git a/tests/mir-opt/issue_41110.rs b/tests/mir-opt/issue_41110.rs index 638dc601ec8..e1067ce53e4 100644 --- a/tests/mir-opt/issue_41110.rs +++ b/tests/mir-opt/issue_41110.rs @@ -3,14 +3,14 @@ // check that we don't emit multiple drop flags when they are not needed. -// EMIT_MIR issue_41110.main.ElaborateDrops.after.mir +// EMIT_MIR issue_41110.main.ElaborateDrops.diff fn main() { let x = S.other(S.id()); } // no_mangle to make sure this gets instantiated even in an executable. #[no_mangle] -// EMIT_MIR issue_41110.test.ElaborateDrops.after.mir +// EMIT_MIR issue_41110.test.ElaborateDrops.diff pub fn test() { let u = S; let mut v = S; diff --git a/tests/mir-opt/issue_41110.test.ElaborateDrops.after.mir b/tests/mir-opt/issue_41110.test.ElaborateDrops.after.mir deleted file mode 100644 index 82989c3f071..00000000000 --- a/tests/mir-opt/issue_41110.test.ElaborateDrops.after.mir +++ /dev/null @@ -1,101 +0,0 @@ -// MIR for `test` after ElaborateDrops - -fn test() -> () { - let mut _0: (); // return place in scope 0 at $DIR/issue_41110.rs:+0:15: +0:15 - let _1: S; // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 - let _3: (); // in scope 0 at $DIR/issue_41110.rs:+3:5: +3:12 - let mut _4: S; // in scope 0 at $DIR/issue_41110.rs:+3:10: +3:11 - let mut _5: S; // in scope 0 at $DIR/issue_41110.rs:+4:9: +4:10 - let mut _6: bool; // in scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - scope 1 { - debug u => _1; // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10 - let mut _2: S; // in scope 1 at $DIR/issue_41110.rs:+2:9: +2:14 - scope 2 { - debug v => _2; // in scope 2 at $DIR/issue_41110.rs:+2:9: +2:14 - } - } - - bb0: { - _6 = const false; // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 - StorageLive(_1); // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 - _6 = const true; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 - _1 = S; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 - StorageLive(_2); // scope 1 at $DIR/issue_41110.rs:+2:9: +2:14 - _2 = S; // scope 1 at $DIR/issue_41110.rs:+2:17: +2:18 - StorageLive(_3); // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12 - StorageLive(_4); // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11 - _4 = move _2; // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11 - _3 = std::mem::drop::<S>(move _4) -> [return: bb1, unwind: bb7]; // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12 - // mir::Constant - // + span: $DIR/issue_41110.rs:17:5: 17:9 - // + literal: Const { ty: fn(S) {std::mem::drop::<S>}, val: Value(<ZST>) } - } - - bb1: { - StorageDead(_4); // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12 - StorageDead(_3); // scope 2 at $DIR/issue_41110.rs:+3:12: +3:13 - StorageLive(_5); // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 - _6 = const false; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 - _5 = move _1; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 - goto -> bb12; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 - } - - bb2: { - goto -> bb3; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 - } - - bb3: { - StorageDead(_5); // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 - _0 = const (); // scope 0 at $DIR/issue_41110.rs:+0:15: +5:2 - drop(_2) -> [return: bb4, unwind: bb9]; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 - } - - bb4: { - StorageDead(_2); // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 - goto -> bb5; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - } - - bb5: { - _6 = const false; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - StorageDead(_1); // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - return; // scope 0 at $DIR/issue_41110.rs:+5:2: +5:2 - } - - bb6 (cleanup): { - goto -> bb8; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 - } - - bb7 (cleanup): { - goto -> bb8; // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12 - } - - bb8 (cleanup): { - goto -> bb9; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 - } - - bb9 (cleanup): { - goto -> bb14; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - } - - bb10 (cleanup): { - resume; // scope 0 at $DIR/issue_41110.rs:+0:1: +5:2 - } - - bb11 (cleanup): { - _2 = move _5; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 - goto -> bb6; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 - } - - bb12: { - _2 = move _5; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 - goto -> bb2; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 - } - - bb13 (cleanup): { - drop(_1) -> bb10; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - } - - bb14 (cleanup): { - switchInt(_6) -> [0: bb10, otherwise: bb13]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 - } -} diff --git a/tests/mir-opt/issue_41110.test.ElaborateDrops.diff b/tests/mir-opt/issue_41110.test.ElaborateDrops.diff new file mode 100644 index 00000000000..79e3d073be5 --- /dev/null +++ b/tests/mir-opt/issue_41110.test.ElaborateDrops.diff @@ -0,0 +1,109 @@ +- // MIR for `test` before ElaborateDrops ++ // MIR for `test` after ElaborateDrops + + fn test() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue_41110.rs:+0:15: +0:15 + let _1: S; // in scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 + let _3: (); // in scope 0 at $DIR/issue_41110.rs:+3:5: +3:12 + let mut _4: S; // in scope 0 at $DIR/issue_41110.rs:+3:10: +3:11 + let mut _5: S; // in scope 0 at $DIR/issue_41110.rs:+4:9: +4:10 ++ let mut _6: bool; // in scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 + scope 1 { + debug u => _1; // in scope 1 at $DIR/issue_41110.rs:+1:9: +1:10 + let mut _2: S; // in scope 1 at $DIR/issue_41110.rs:+2:9: +2:14 + scope 2 { + debug v => _2; // in scope 2 at $DIR/issue_41110.rs:+2:9: +2:14 + } + } + + bb0: { ++ _6 = const false; // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 + StorageLive(_1); // scope 0 at $DIR/issue_41110.rs:+1:9: +1:10 ++ _6 = const true; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 + _1 = S; // scope 0 at $DIR/issue_41110.rs:+1:13: +1:14 + StorageLive(_2); // scope 1 at $DIR/issue_41110.rs:+2:9: +2:14 + _2 = S; // scope 1 at $DIR/issue_41110.rs:+2:17: +2:18 + StorageLive(_3); // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12 + StorageLive(_4); // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11 + _4 = move _2; // scope 2 at $DIR/issue_41110.rs:+3:10: +3:11 + _3 = std::mem::drop::<S>(move _4) -> [return: bb1, unwind: bb7]; // scope 2 at $DIR/issue_41110.rs:+3:5: +3:12 + // mir::Constant + // + span: $DIR/issue_41110.rs:17:5: 17:9 + // + literal: Const { ty: fn(S) {std::mem::drop::<S>}, val: Value(<ZST>) } + } + + bb1: { + StorageDead(_4); // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12 + StorageDead(_3); // scope 2 at $DIR/issue_41110.rs:+3:12: +3:13 + StorageLive(_5); // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 ++ _6 = const false; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 + _5 = move _1; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 +- replace(_2 <- move _5) -> [return: bb2, unwind: bb6]; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 ++ goto -> bb12; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 + } + + bb2: { +- drop(_5) -> [return: bb3, unwind: bb8]; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 ++ goto -> bb3; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 + } + + bb3: { + StorageDead(_5); // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 + _0 = const (); // scope 0 at $DIR/issue_41110.rs:+0:15: +5:2 + drop(_2) -> [return: bb4, unwind: bb9]; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 + } + + bb4: { + StorageDead(_2); // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 +- drop(_1) -> bb5; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 ++ goto -> bb5; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 + } + + bb5: { ++ _6 = const false; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 + StorageDead(_1); // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 + return; // scope 0 at $DIR/issue_41110.rs:+5:2: +5:2 + } + + bb6 (cleanup): { + drop(_5) -> bb8; // scope 2 at $DIR/issue_41110.rs:+4:9: +4:10 + } + + bb7 (cleanup): { +- drop(_4) -> bb8; // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12 ++ goto -> bb8; // scope 2 at $DIR/issue_41110.rs:+3:11: +3:12 + } + + bb8 (cleanup): { +- drop(_2) -> bb9; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 ++ goto -> bb9; // scope 1 at $DIR/issue_41110.rs:+5:1: +5:2 + } + + bb9 (cleanup): { +- drop(_1) -> bb10; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 ++ goto -> bb14; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 + } + + bb10 (cleanup): { + resume; // scope 0 at $DIR/issue_41110.rs:+0:1: +5:2 ++ } ++ ++ bb11 (cleanup): { ++ _2 = move _5; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 ++ goto -> bb10; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 ++ } ++ ++ bb12: { ++ _2 = move _5; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 ++ goto -> bb2; // scope 2 at $DIR/issue_41110.rs:+4:5: +4:6 ++ } ++ ++ bb13 (cleanup): { ++ drop(_1) -> bb10; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 ++ } ++ ++ bb14 (cleanup): { ++ switchInt(_6) -> [0: bb10, otherwise: bb13]; // scope 0 at $DIR/issue_41110.rs:+5:1: +5:2 + } + } + diff --git a/tests/mir-opt/issue_41888.main.ElaborateDrops.after.mir b/tests/mir-opt/issue_41888.main.ElaborateDrops.after.mir deleted file mode 100644 index 00504273245..00000000000 --- a/tests/mir-opt/issue_41888.main.ElaborateDrops.after.mir +++ /dev/null @@ -1,152 +0,0 @@ -// MIR for `main` after ElaborateDrops - -fn main() -> () { - let mut _0: (); // return place in scope 0 at $DIR/issue_41888.rs:+0:11: +0:11 - let _1: E; // in scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 - let mut _2: bool; // in scope 0 at $DIR/issue_41888.rs:+2:8: +2:14 - let mut _3: E; // in scope 0 at $DIR/issue_41888.rs:+3:13: +3:20 - let mut _4: K; // in scope 0 at $DIR/issue_41888.rs:+3:18: +3:19 - let mut _5: isize; // in scope 0 at $DIR/issue_41888.rs:+4:16: +4:24 - let mut _7: bool; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - let mut _8: bool; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - let mut _9: bool; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - let mut _10: isize; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - let mut _11: isize; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - scope 1 { - debug e => _1; // in scope 1 at $DIR/issue_41888.rs:+1:9: +1:10 - scope 2 { - debug _k => _6; // in scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 - let _6: K; // in scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 - } - } - - bb0: { - _9 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 - _7 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 - _8 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 - StorageLive(_1); // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 - StorageLive(_2); // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 - _2 = cond() -> [return: bb1, unwind: bb11]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 - // mir::Constant - // + span: $DIR/issue_41888.rs:8:8: 8:12 - // + literal: Const { ty: fn() -> bool {cond}, val: Value(<ZST>) } - } - - bb1: { - switchInt(move _2) -> [0: bb7, otherwise: bb2]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 - } - - bb2: { - StorageLive(_3); // scope 1 at $DIR/issue_41888.rs:+3:13: +3:20 - StorageLive(_4); // scope 1 at $DIR/issue_41888.rs:+3:18: +3:19 - _4 = K; // scope 1 at $DIR/issue_41888.rs:+3:18: +3:19 - _3 = E::F(move _4); // scope 1 at $DIR/issue_41888.rs:+3:13: +3:20 - StorageDead(_4); // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 - goto -> bb14; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - } - - bb3: { - goto -> bb4; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 - } - - bb4: { - StorageDead(_3); // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 - _5 = discriminant(_1); // scope 2 at $DIR/issue_41888.rs:+4:16: +4:24 - switchInt(move _5) -> [0: bb5, otherwise: bb6]; // scope 2 at $DIR/issue_41888.rs:+4:16: +4:24 - } - - bb5: { - StorageLive(_6); // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 - _9 = const false; // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 - _6 = move ((_1 as F).0: K); // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 - _0 = const (); // scope 2 at $DIR/issue_41888.rs:+4:29: +7:10 - StorageDead(_6); // scope 1 at $DIR/issue_41888.rs:+7:9: +7:10 - goto -> bb8; // scope 1 at $DIR/issue_41888.rs:+4:9: +7:10 - } - - bb6: { - _0 = const (); // scope 1 at $DIR/issue_41888.rs:+7:10: +7:10 - goto -> bb8; // scope 1 at $DIR/issue_41888.rs:+4:9: +7:10 - } - - bb7: { - _0 = const (); // scope 1 at $DIR/issue_41888.rs:+8:6: +8:6 - goto -> bb8; // scope 1 at $DIR/issue_41888.rs:+2:5: +8:6 - } - - bb8: { - StorageDead(_2); // scope 1 at $DIR/issue_41888.rs:+8:5: +8:6 - goto -> bb20; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb9: { - _7 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - _8 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - _9 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - StorageDead(_1); // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - return; // scope 0 at $DIR/issue_41888.rs:+9:2: +9:2 - } - - bb10 (cleanup): { - goto -> bb11; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 - } - - bb11 (cleanup): { - goto -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb12 (cleanup): { - resume; // scope 0 at $DIR/issue_41888.rs:+0:1: +9:2 - } - - bb13 (cleanup): { - _7 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - _8 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - _9 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - _1 = move _3; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - goto -> bb10; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - } - - bb14: { - _7 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - _8 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - _9 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - _1 = move _3; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - goto -> bb3; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 - } - - bb15: { - _7 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - goto -> bb9; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb16 (cleanup): { - goto -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb17: { - drop(_1) -> [return: bb15, unwind: bb12]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb18 (cleanup): { - drop(_1) -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb19: { - _10 = discriminant(_1); // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - switchInt(move _10) -> [0: bb15, otherwise: bb17]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb20: { - switchInt(_7) -> [0: bb15, otherwise: bb19]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb21 (cleanup): { - _11 = discriminant(_1); // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - switchInt(move _11) -> [0: bb16, otherwise: bb18]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } - - bb22 (cleanup): { - switchInt(_7) -> [0: bb12, otherwise: bb21]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 - } -} diff --git a/tests/mir-opt/issue_41888.main.ElaborateDrops.diff b/tests/mir-opt/issue_41888.main.ElaborateDrops.diff new file mode 100644 index 00000000000..257f0b1e6e8 --- /dev/null +++ b/tests/mir-opt/issue_41888.main.ElaborateDrops.diff @@ -0,0 +1,158 @@ +- // MIR for `main` before ElaborateDrops ++ // MIR for `main` after ElaborateDrops + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue_41888.rs:+0:11: +0:11 + let _1: E; // in scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 + let mut _2: bool; // in scope 0 at $DIR/issue_41888.rs:+2:8: +2:14 + let mut _3: E; // in scope 0 at $DIR/issue_41888.rs:+3:13: +3:20 + let mut _4: K; // in scope 0 at $DIR/issue_41888.rs:+3:18: +3:19 + let mut _5: isize; // in scope 0 at $DIR/issue_41888.rs:+4:16: +4:24 ++ let mut _7: bool; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ let mut _8: bool; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ let mut _9: bool; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ let mut _10: isize; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ let mut _11: isize; // in scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 + scope 1 { + debug e => _1; // in scope 1 at $DIR/issue_41888.rs:+1:9: +1:10 + scope 2 { + debug _k => _6; // in scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 + let _6: K; // in scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 + } + } + + bb0: { ++ _9 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 ++ _7 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 ++ _8 = const false; // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 + StorageLive(_1); // scope 0 at $DIR/issue_41888.rs:+1:9: +1:10 + StorageLive(_2); // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 + _2 = cond() -> [return: bb1, unwind: bb11]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 + // mir::Constant + // + span: $DIR/issue_41888.rs:8:8: 8:12 + // + literal: Const { ty: fn() -> bool {cond}, val: Value(<ZST>) } + } + + bb1: { + switchInt(move _2) -> [0: bb7, otherwise: bb2]; // scope 1 at $DIR/issue_41888.rs:+2:8: +2:14 + } + + bb2: { + StorageLive(_3); // scope 1 at $DIR/issue_41888.rs:+3:13: +3:20 + StorageLive(_4); // scope 1 at $DIR/issue_41888.rs:+3:18: +3:19 + _4 = K; // scope 1 at $DIR/issue_41888.rs:+3:18: +3:19 + _3 = E::F(move _4); // scope 1 at $DIR/issue_41888.rs:+3:13: +3:20 + StorageDead(_4); // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 +- replace(_1 <- move _3) -> [return: bb3, unwind: bb10]; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ goto -> bb14; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 + } + + bb3: { +- drop(_3) -> [return: bb4, unwind: bb11]; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 ++ goto -> bb4; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 + } + + bb4: { + StorageDead(_3); // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 + _5 = discriminant(_1); // scope 2 at $DIR/issue_41888.rs:+4:16: +4:24 + switchInt(move _5) -> [0: bb5, otherwise: bb6]; // scope 2 at $DIR/issue_41888.rs:+4:16: +4:24 + } + + bb5: { + StorageLive(_6); // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 ++ _9 = const false; // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 + _6 = move ((_1 as F).0: K); // scope 2 at $DIR/issue_41888.rs:+4:21: +4:23 + _0 = const (); // scope 2 at $DIR/issue_41888.rs:+4:29: +7:10 + StorageDead(_6); // scope 1 at $DIR/issue_41888.rs:+7:9: +7:10 + goto -> bb8; // scope 1 at $DIR/issue_41888.rs:+4:9: +7:10 + } + + bb6: { + _0 = const (); // scope 1 at $DIR/issue_41888.rs:+7:10: +7:10 + goto -> bb8; // scope 1 at $DIR/issue_41888.rs:+4:9: +7:10 + } + + bb7: { + _0 = const (); // scope 1 at $DIR/issue_41888.rs:+8:6: +8:6 + goto -> bb8; // scope 1 at $DIR/issue_41888.rs:+2:5: +8:6 + } + + bb8: { + StorageDead(_2); // scope 1 at $DIR/issue_41888.rs:+8:5: +8:6 +- drop(_1) -> bb9; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ goto -> bb20; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 + } + + bb9: { ++ _7 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ _8 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ _9 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 + StorageDead(_1); // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 + return; // scope 0 at $DIR/issue_41888.rs:+9:2: +9:2 + } + + bb10 (cleanup): { + drop(_3) -> bb11; // scope 1 at $DIR/issue_41888.rs:+3:19: +3:20 + } + + bb11 (cleanup): { +- drop(_1) -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ goto -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 + } + + bb12 (cleanup): { + resume; // scope 0 at $DIR/issue_41888.rs:+0:1: +9:2 ++ } ++ ++ bb13 (cleanup): { ++ _7 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ _8 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ _9 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ _1 = move _3; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ goto -> bb12; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ } ++ ++ bb14: { ++ _7 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ _8 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ _9 = const true; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ _1 = move _3; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ goto -> bb3; // scope 1 at $DIR/issue_41888.rs:+3:9: +3:10 ++ } ++ ++ bb15: { ++ _7 = const false; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ goto -> bb9; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb16 (cleanup): { ++ goto -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb17: { ++ drop(_1) -> [return: bb15, unwind: bb12]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb18 (cleanup): { ++ drop(_1) -> bb12; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb19: { ++ _10 = discriminant(_1); // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ switchInt(move _10) -> [0: bb15, otherwise: bb17]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb20: { ++ switchInt(_7) -> [0: bb15, otherwise: bb19]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb21 (cleanup): { ++ _11 = discriminant(_1); // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ switchInt(move _11) -> [0: bb16, otherwise: bb18]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 ++ } ++ ++ bb22 (cleanup): { ++ switchInt(_7) -> [0: bb12, otherwise: bb21]; // scope 0 at $DIR/issue_41888.rs:+9:1: +9:2 + } + } + diff --git a/tests/mir-opt/issue_41888.rs b/tests/mir-opt/issue_41888.rs index c1046c14dbf..0f10c0a1d09 100644 --- a/tests/mir-opt/issue_41888.rs +++ b/tests/mir-opt/issue_41888.rs @@ -2,7 +2,7 @@ // check that we clear the "ADT master drop flag" even when there are // no fields to be dropped. -// EMIT_MIR issue_41888.main.ElaborateDrops.after.mir +// EMIT_MIR issue_41888.main.ElaborateDrops.diff fn main() { let e; if cond() { diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index 66dae0e46b9..7147be43ca5 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -72,3 +72,10 @@ pub fn assume() { std::intrinsics::assume(true); } } + +// EMIT_MIR lower_intrinsics.with_overflow.LowerIntrinsics.diff +pub fn with_overflow(a: i32, b: i32) { + let _x = core::intrinsics::add_with_overflow(a, b); + let _y = core::intrinsics::sub_with_overflow(a, b); + let _z = core::intrinsics::mul_with_overflow(a, b); +} diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff new file mode 100644 index 00000000000..9870a70dec5 --- /dev/null +++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff @@ -0,0 +1,83 @@ +- // MIR for `with_overflow` before LowerIntrinsics ++ // MIR for `with_overflow` after LowerIntrinsics + + fn with_overflow(_1: i32, _2: i32) -> () { + debug a => _1; // in scope 0 at $DIR/lower_intrinsics.rs:+0:22: +0:23 + debug b => _2; // in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:31 + let mut _0: (); // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:38: +0:38 + let _3: (i32, bool); // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11 + let mut _4: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 + let mut _5: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 + let mut _7: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+2:50: +2:51 + let mut _8: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+2:53: +2:54 + let mut _10: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+3:50: +3:51 + let mut _11: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+3:53: +3:54 + scope 1 { + debug _x => _3; // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:11 + let _6: (i32, bool); // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11 + scope 2 { + debug _y => _6; // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:11 + let _9: (i32, bool); // in scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11 + scope 3 { + debug _z => _9; // in scope 3 at $DIR/lower_intrinsics.rs:+3:9: +3:11 + } + } + } + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11 + StorageLive(_4); // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 + _4 = _1; // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 + StorageLive(_5); // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 + _5 = _2; // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 +- _3 = add_with_overflow::<i32>(move _4, move _5) -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 +- // mir::Constant +- // + span: $DIR/lower_intrinsics.rs:78:14: 78:49 +- // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {add_with_overflow::<i32>}, val: Value(<ZST>) } ++ _3 = CheckedAdd(move _4, move _5); // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 ++ goto -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 + } + + bb1: { + StorageDead(_5); // scope 0 at $DIR/lower_intrinsics.rs:+1:54: +1:55 + StorageDead(_4); // scope 0 at $DIR/lower_intrinsics.rs:+1:54: +1:55 + StorageLive(_6); // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11 + StorageLive(_7); // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51 + _7 = _1; // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51 + StorageLive(_8); // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54 + _8 = _2; // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54 +- _6 = sub_with_overflow::<i32>(move _7, move _8) -> bb2; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 +- // mir::Constant +- // + span: $DIR/lower_intrinsics.rs:79:14: 79:49 +- // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {sub_with_overflow::<i32>}, val: Value(<ZST>) } ++ _6 = CheckedSub(move _7, move _8); // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 ++ goto -> bb2; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 + } + + bb2: { + StorageDead(_8); // scope 1 at $DIR/lower_intrinsics.rs:+2:54: +2:55 + StorageDead(_7); // scope 1 at $DIR/lower_intrinsics.rs:+2:54: +2:55 + StorageLive(_9); // scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11 + StorageLive(_10); // scope 2 at $DIR/lower_intrinsics.rs:+3:50: +3:51 + _10 = _1; // scope 2 at $DIR/lower_intrinsics.rs:+3:50: +3:51 + StorageLive(_11); // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54 + _11 = _2; // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54 +- _9 = mul_with_overflow::<i32>(move _10, move _11) -> bb3; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 +- // mir::Constant +- // + span: $DIR/lower_intrinsics.rs:80:14: 80:49 +- // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {mul_with_overflow::<i32>}, val: Value(<ZST>) } ++ _9 = CheckedMul(move _10, move _11); // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 ++ goto -> bb3; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 + } + + bb3: { + StorageDead(_11); // scope 2 at $DIR/lower_intrinsics.rs:+3:54: +3:55 + StorageDead(_10); // scope 2 at $DIR/lower_intrinsics.rs:+3:54: +3:55 + _0 = const (); // scope 0 at $DIR/lower_intrinsics.rs:+0:38: +4:2 + StorageDead(_9); // scope 2 at $DIR/lower_intrinsics.rs:+4:1: +4:2 + StorageDead(_6); // scope 1 at $DIR/lower_intrinsics.rs:+4:1: +4:2 + StorageDead(_3); // scope 0 at $DIR/lower_intrinsics.rs:+4:1: +4:2 + return; // scope 0 at $DIR/lower_intrinsics.rs:+4:2: +4:2 + } + } + diff --git a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs index 3aa57d58908..8dac53c2a62 100644 --- a/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs +++ b/tests/run-make-fulldeps/hotplug_codegen_backend/the_backend.rs @@ -27,6 +27,8 @@ use std::any::Any; struct TheBackend; impl CodegenBackend for TheBackend { + fn locale_resource(&self) -> &'static str { "" } + fn codegen_crate<'a, 'tcx>( &self, tcx: TyCtxt<'tcx>, diff --git a/tests/run-make-fulldeps/issue-19371/foo.rs b/tests/run-make-fulldeps/issue-19371/foo.rs index 5bb38fc02af..53ec79e477b 100644 --- a/tests/run-make-fulldeps/issue-19371/foo.rs +++ b/tests/run-make-fulldeps/issue-19371/foo.rs @@ -53,6 +53,7 @@ fn compile(code: String, output: PathBuf, sysroot: PathBuf) { output_file: Some(output), output_dir: None, file_loader: None, + locale_resources: &[], lint_caps: Default::default(), parse_sess_created: None, register_lints: None, diff --git a/tests/run-make/translation/Makefile b/tests/run-make/translation/Makefile index 20e86c7f9a0..5b0b331ca46 100644 --- a/tests/run-make/translation/Makefile +++ b/tests/run-make/translation/Makefile @@ -6,8 +6,10 @@ include ../../run-make-fulldeps/tools.mk SYSROOT:=$(shell $(RUSTC) --print sysroot) FAKEROOT=$(TMPDIR)/fakeroot +RUSTC_LOG:=rustc_error_messages +export RUSTC_TRANSLATION_NO_DEBUG_ASSERT:=1 -all: normal custom sysroot +all: normal custom missing broken sysroot sysroot-invalid sysroot-missing # Check that the test works normally, using the built-in fallback bundle. normal: test.rs @@ -32,6 +34,7 @@ broken: test.rs broken.ftl # identifier by making a local copy of the sysroot and adding the custom locale # to it. sysroot: test.rs working.ftl + rm -rf $(FAKEROOT) mkdir $(FAKEROOT) ln -s $(SYSROOT)/* $(FAKEROOT) rm -f $(FAKEROOT)/lib @@ -51,12 +54,12 @@ sysroot: test.rs working.ftl # found. This test might start failing if there actually exists a Klingon # translation of rustc's error messages. sysroot-missing: - $(RUSTC) $< -Ztranslate-lang=tlh 2>&1 || grep "missing locale directory" + $(RUSTC) $< -Ztranslate-lang=tlh 2>&1 | grep "missing locale directory" -# Check that the compiler errors out when the sysroot requested cannot be -# found. This test might start failing if there actually exists a Klingon -# translation of rustc's error messages. +# Check that the compiler errors out when the directory for the locale in the +# sysroot is actually a file. sysroot-invalid: test.rs working.ftl + rm -rf $(FAKEROOT) mkdir $(FAKEROOT) ln -s $(SYSROOT)/* $(FAKEROOT) rm -f $(FAKEROOT)/lib @@ -68,5 +71,6 @@ sysroot-invalid: test.rs working.ftl rm -f $(FAKEROOT)/lib/rustlib/src mkdir $(FAKEROOT)/lib/rustlib/src ln -s $(SYSROOT)/lib/rustlib/src/* $(FAKEROOT)/lib/rustlib/src - touch $(FAKEROOT)/share/locale/zh-CN/ - $(RUSTC) $< --sysroot $(FAKEROOT) -Ztranslate-lang=zh-CN 2>&1 || grep "`\$sysroot/share/locales/\$locale` is not a directory" + mkdir -p $(FAKEROOT)/share/locale + touch $(FAKEROOT)/share/locale/zh-CN + $(RUSTC) $< --sysroot $(FAKEROOT) -Ztranslate-lang=zh-CN 2>&1 | grep "`\$sysroot/share/locales/\$locale` is not a directory" diff --git a/tests/rustdoc-gui/huge-collection-of-constants.goml b/tests/rustdoc-gui/huge-collection-of-constants.goml index 3ccd33f1ccd..636382a9169 100644 --- a/tests/rustdoc-gui/huge-collection-of-constants.goml +++ b/tests/rustdoc-gui/huge-collection-of-constants.goml @@ -3,7 +3,7 @@ goto: "file://" + |DOC_PATH| + "/test_docs/huge_amount_of_consts/index.html" compare-elements-position-near-false: ( - "//*[@class='item-table']//div[last()-1]", - "//*[@class='item-table']//div[last()-3]", + "//ul[@class='item-table']/li[last()-1]", + "//ul[@class='item-table']/li[last()-3]", {"y": 12}, ) diff --git a/tests/rustdoc-gui/item-summary-table.goml b/tests/rustdoc-gui/item-summary-table.goml index 2a92e9da52c..7a219bd54c3 100644 --- a/tests/rustdoc-gui/item-summary-table.goml +++ b/tests/rustdoc-gui/item-summary-table.goml @@ -1,6 +1,6 @@ // This test ensures that <table> elements aren't display in items summary. goto: "file://" + |DOC_PATH| + "/lib2/summary_table/index.html" // We check that we picked the right item first. -assert-text: (".item-table .item-left", "Foo") +assert-text: (".item-table .item-name", "Foo") // Then we check that its summary is empty. -assert-false: ".item-table .item-right" +assert-false: ".item-table .desc" diff --git a/tests/rustdoc-gui/label-next-to-symbol.goml b/tests/rustdoc-gui/label-next-to-symbol.goml index 3f4f65890b4..412e475dcc9 100644 --- a/tests/rustdoc-gui/label-next-to-symbol.goml +++ b/tests/rustdoc-gui/label-next-to-symbol.goml @@ -9,31 +9,31 @@ assert: (".stab.portability") // make sure that deprecated and portability have the right colors assert-css: ( - ".item-table .item-left .stab.deprecated", + ".item-table .item-name .stab.deprecated", { "background-color": "rgb(255, 245, 214)" }, ) assert-css: ( - ".item-table .item-left .stab.portability", + ".item-table .item-name .stab.portability", { "background-color": "rgb(255, 245, 214)" }, ) // table like view -assert-css: (".item-right.docblock-short", { "padding-left": "0px" }) +assert-css: (".desc.docblock-short", { "padding-left": "0px" }) compare-elements-position-near: ( - "//*[@class='item-left']//a[text()='replaced_function']", - ".item-left .stab.deprecated", + "//*[@class='item-name']//a[text()='replaced_function']", + ".item-name .stab.deprecated", {"y": 2}, ) compare-elements-position: ( - ".item-left .stab.deprecated", - ".item-left .stab.portability", + ".item-name .stab.deprecated", + ".item-name .stab.portability", ("y"), ) // Ensure no wrap compare-elements-position: ( - "//*[@class='item-left']//a[text()='replaced_function']/..", - "//*[@class='item-right docblock-short'][text()='a thing with a label']", + "//*[@class='item-name']//a[text()='replaced_function']/..", + "//*[@class='desc docblock-short'][text()='a thing with a label']", ("y"), ) @@ -41,26 +41,26 @@ compare-elements-position: ( // Mobile view size: (600, 600) // staggered layout with 2em spacing -assert-css: (".item-right.docblock-short", { "padding-left": "32px" }) +assert-css: (".desc.docblock-short", { "padding-left": "32px" }) compare-elements-position-near: ( - "//*[@class='item-left']//a[text()='replaced_function']", - ".item-left .stab.deprecated", + "//*[@class='item-name']//a[text()='replaced_function']", + ".item-name .stab.deprecated", {"y": 2}, ) compare-elements-position: ( - ".item-left .stab.deprecated", - ".item-left .stab.portability", + ".item-name .stab.deprecated", + ".item-name .stab.portability", ("y"), ) // Ensure wrap compare-elements-position-false: ( - "//*[@class='item-left']//a[text()='replaced_function']/..", - "//*[@class='item-right docblock-short'][text()='a thing with a label']", + "//*[@class='item-name']//a[text()='replaced_function']/..", + "//*[@class='desc docblock-short'][text()='a thing with a label']", ("y"), ) compare-elements-position-false: ( - ".item-left .stab.deprecated", - "//*[@class='item-right docblock-short'][text()='a thing with a label']", + ".item-name .stab.deprecated", + "//*[@class='desc docblock-short'][text()='a thing with a label']", ("y"), ) diff --git a/tests/rustdoc-gui/module-items-font.goml b/tests/rustdoc-gui/module-items-font.goml index 5940962a8dd..23823f8b6c7 100644 --- a/tests/rustdoc-gui/module-items-font.goml +++ b/tests/rustdoc-gui/module-items-font.goml @@ -1,7 +1,7 @@ // This test checks that the correct font is used on module items (in index.html pages). goto: "file://" + |DOC_PATH| + "/test_docs/index.html" assert-css: ( - ".item-table .item-left > a", + ".item-table .item-name > a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ALL, ) @@ -13,55 +13,55 @@ assert-css: ( // modules assert-css: ( - "#modules + .item-table .item-left a", + "#modules + .item-table .item-name a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ) assert-css: ( - "#modules + .item-table .item-right.docblock-short", + "#modules + .item-table .desc.docblock-short", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ) // structs assert-css: ( - "#structs + .item-table .item-left a", + "#structs + .item-table .item-name a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ) assert-css: ( - "#structs + .item-table .item-right.docblock-short", + "#structs + .item-table .desc.docblock-short", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ) // enums assert-css: ( - "#enums + .item-table .item-left a", + "#enums + .item-table .item-name a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ) assert-css: ( - "#enums + .item-table .item-right.docblock-short", + "#enums + .item-table .desc.docblock-short", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ) // traits assert-css: ( - "#traits + .item-table .item-left a", + "#traits + .item-table .item-name a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ) assert-css: ( - "#traits + .item-table .item-right.docblock-short", + "#traits + .item-table .desc.docblock-short", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ) // functions assert-css: ( - "#functions + .item-table .item-left a", + "#functions + .item-table .item-name a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ) assert-css: ( - "#functions + .item-table .item-right.docblock-short", + "#functions + .item-table .desc.docblock-short", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ) // keywords assert-css: ( - "#keywords + .item-table .item-left a", + "#keywords + .item-table .item-name a", {"font-family": '"Fira Sans", Arial, NanumBarunGothic, sans-serif'}, ) assert-css: ( - "#keywords + .item-table .item-right.docblock-short", + "#keywords + .item-table .desc.docblock-short", {"font-family": '"Source Serif 4", NanumBarunGothic, serif'}, ) diff --git a/tests/rustdoc-gui/sidebar.goml b/tests/rustdoc-gui/sidebar.goml index 9c742be0587..a6d51709019 100644 --- a/tests/rustdoc-gui/sidebar.goml +++ b/tests/rustdoc-gui/sidebar.goml @@ -70,8 +70,8 @@ assert-text: (".sidebar-elems section ul > li:nth-child(8)", "Functions") assert-text: (".sidebar-elems section ul > li:nth-child(9)", "Type Definitions") assert-text: (".sidebar-elems section ul > li:nth-child(10)", "Unions") assert-text: (".sidebar-elems section ul > li:nth-child(11)", "Keywords") -assert-text: ("#structs + .item-table .item-left > a", "Foo") -click: "#structs + .item-table .item-left > a" +assert-text: ("#structs + .item-table .item-name > a", "Foo") +click: "#structs + .item-table .item-name > a" // PAGE: struct.Foo.html assert-count: (".sidebar .location", 1) @@ -103,8 +103,8 @@ assert-text: (".sidebar-elems > section ul.block > li:nth-child(2)", "Structs") assert-text: (".sidebar-elems > section ul.block > li:nth-child(3)", "Traits") assert-text: (".sidebar-elems > section ul.block > li:nth-child(4)", "Functions") assert-text: (".sidebar-elems > section ul.block > li:nth-child(5)", "Type Definitions") -assert-text: ("#functions + .item-table .item-left > a", "foobar") -click: "#functions + .item-table .item-left > a" +assert-text: ("#functions + .item-table .item-name > a", "foobar") +click: "#functions + .item-table .item-name > a" // PAGE: fn.foobar.html // In items containing no items (like functions or constants) and in modules, we have no @@ -127,7 +127,7 @@ assert-text: (".sidebar > .location", "Module sub_sub_module") // We check that we don't have the crate list. assert-false: ".sidebar-elems .crate" assert-text: (".sidebar-elems > section ul > li:nth-child(1)", "Functions") -assert-text: ("#functions + .item-table .item-left > a", "foo") +assert-text: ("#functions + .item-table .item-name > a", "foo") // Links to trait implementations in the sidebar should not wrap even if they are long. goto: "file://" + |DOC_PATH| + "/lib2/struct.HasALongTraitWithParams.html" diff --git a/tests/rustdoc-gui/unsafe-fn.goml b/tests/rustdoc-gui/unsafe-fn.goml index 3ecb25c82a4..9d2577178c0 100644 --- a/tests/rustdoc-gui/unsafe-fn.goml +++ b/tests/rustdoc-gui/unsafe-fn.goml @@ -19,7 +19,7 @@ define-function: ( local-storage: {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"} // We reload the page so the local storage settings are being used. reload: - assert-css: (".item-left sup", {"color": |color|}) + assert-css: (".item-name sup", {"color": |color|}) }, ) diff --git a/tests/rustdoc-js-std/reference-shrink.js b/tests/rustdoc-js-std/reference-shrink.js new file mode 100644 index 00000000000..f90be6d1bfd --- /dev/null +++ b/tests/rustdoc-js-std/reference-shrink.js @@ -0,0 +1,8 @@ +// exact-check + +const QUERY = 'reference::shrink'; + +const EXPECTED = { + // avoid including the method that's not going to be in the HTML + 'others': [], +}; diff --git a/tests/rustdoc-json/reexport/same_name_different_types.rs b/tests/rustdoc-json/reexport/same_name_different_types.rs new file mode 100644 index 00000000000..2314a4eb909 --- /dev/null +++ b/tests/rustdoc-json/reexport/same_name_different_types.rs @@ -0,0 +1,25 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/107677>. + +#![feature(no_core)] +#![no_core] + +pub mod nested { + // @set foo_struct = "$.index[*][?(@.docs == 'Foo the struct')].id" + + /// Foo the struct + pub struct Foo {} + + // @set foo_fn = "$.index[*][?(@.docs == 'Foo the function')].id" + + #[allow(non_snake_case)] + /// Foo the function + pub fn Foo() {} +} + +// @ismany "$.index[*][?(@.inner.name == 'Foo' && @.kind == 'import')].inner.id" $foo_fn $foo_struct +// @ismany "$.index[*][?(@.inner.name == 'Bar' && @.kind == 'import')].inner.id" $foo_fn $foo_struct + +// @count "$.index[*][?(@.inner.name == 'Foo' && @.kind == 'import')]" 2 +pub use nested::Foo; +// @count "$.index[*][?(@.inner.name == 'Bar' && @.kind == 'import')]" 2 +pub use Foo as Bar; diff --git a/tests/rustdoc-ui/bounded-hr-lifetime.stderr b/tests/rustdoc-ui/bounded-hr-lifetime.stderr index d8fcd6cb4b1..580f70c9742 100644 --- a/tests/rustdoc-ui/bounded-hr-lifetime.stderr +++ b/tests/rustdoc-ui/bounded-hr-lifetime.stderr @@ -4,7 +4,5 @@ error: lifetime bounds cannot be used in this context LL | for<'a: 'b + 'c> &'a (): std::fmt::Debug, | ^^ ^^ -error: Compilation failed, aborting rustdoc - -error: aborting due to 2 previous errors +error: aborting due to previous error diff --git a/tests/rustdoc-ui/check-fail.rs b/tests/rustdoc-ui/check-fail.rs index c5e1759ee2d..02632b4ce7d 100644 --- a/tests/rustdoc-ui/check-fail.rs +++ b/tests/rustdoc-ui/check-fail.rs @@ -2,6 +2,7 @@ #![feature(rustdoc_missing_doc_code_examples)] #![deny(missing_docs)] +#![deny(rustdoc::missing_doc_code_examples)] #![deny(rustdoc::all)] //! ```rust,testharness diff --git a/tests/rustdoc-ui/check-fail.stderr b/tests/rustdoc-ui/check-fail.stderr index d8aeccbfc31..f05e457af64 100644 --- a/tests/rustdoc-ui/check-fail.stderr +++ b/tests/rustdoc-ui/check-fail.stderr @@ -1,5 +1,5 @@ error: missing documentation for a function - --> $DIR/check-fail.rs:12:1 + --> $DIR/check-fail.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^ @@ -11,7 +11,7 @@ LL | #![deny(missing_docs)] | ^^^^^^^^^^^^ error: missing code example in this documentation - --> $DIR/check-fail.rs:12:1 + --> $DIR/check-fail.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^^^^ @@ -19,12 +19,11 @@ LL | pub fn foo() {} note: the lint level is defined here --> $DIR/check-fail.rs:5:9 | -LL | #![deny(rustdoc::all)] - | ^^^^^^^^^^^^ - = note: `#[deny(rustdoc::missing_doc_code_examples)]` implied by `#[deny(rustdoc::all)]` +LL | #![deny(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unknown attribute `testharness`. Did you mean `test_harness`? - --> $DIR/check-fail.rs:7:1 + --> $DIR/check-fail.rs:8:1 | LL | / //! ```rust,testharness LL | | @@ -33,10 +32,15 @@ LL | | //! ``` | |_______^ | = help: the code block will either not be tested if not marked as a rust one or the code will be wrapped inside a main function +note: the lint level is defined here + --> $DIR/check-fail.rs:6:9 + | +LL | #![deny(rustdoc::all)] + | ^^^^^^^^^^^^ = note: `#[deny(rustdoc::invalid_codeblock_attributes)]` implied by `#[deny(rustdoc::all)]` error: unknown attribute `testharness`. Did you mean `test_harness`? - --> $DIR/check-fail.rs:16:1 + --> $DIR/check-fail.rs:17:1 | LL | / /// hello LL | | diff --git a/tests/rustdoc-ui/check.rs b/tests/rustdoc-ui/check.rs index f70b0336151..e389a81bb33 100644 --- a/tests/rustdoc-ui/check.rs +++ b/tests/rustdoc-ui/check.rs @@ -7,6 +7,7 @@ //~^^ WARN #![warn(missing_docs)] +#![warn(rustdoc::missing_doc_code_examples)] #![warn(rustdoc::all)] pub fn foo() {} diff --git a/tests/rustdoc-ui/check.stderr b/tests/rustdoc-ui/check.stderr index d379f33f2bd..c5ed5d0c3ef 100644 --- a/tests/rustdoc-ui/check.stderr +++ b/tests/rustdoc-ui/check.stderr @@ -17,7 +17,7 @@ LL | #![warn(missing_docs)] | ^^^^^^^^^^^^ warning: missing documentation for a function - --> $DIR/check.rs:12:1 + --> $DIR/check.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^ @@ -27,7 +27,7 @@ warning: no documentation found for this crate's top-level module = help: The following guide may be of use: https://doc.rust-lang.org/$CHANNEL/rustdoc/how-to-write-documentation.html note: the lint level is defined here - --> $DIR/check.rs:10:9 + --> $DIR/check.rs:11:9 | LL | #![warn(rustdoc::all)] | ^^^^^^^^^^^^ @@ -45,10 +45,14 @@ LL | | LL | | pub fn foo() {} | |_______________^ | - = note: `#[warn(rustdoc::missing_doc_code_examples)]` implied by `#[warn(rustdoc::all)]` +note: the lint level is defined here + --> $DIR/check.rs:10:9 + | +LL | #![warn(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: missing code example in this documentation - --> $DIR/check.rs:12:1 + --> $DIR/check.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^^^^ diff --git a/tests/rustdoc-ui/feature-gate-doc_cfg_hide.stderr b/tests/rustdoc-ui/feature-gate-doc_cfg_hide.stderr index ba42c7bbb05..0864159c8e2 100644 --- a/tests/rustdoc-ui/feature-gate-doc_cfg_hide.stderr +++ b/tests/rustdoc-ui/feature-gate-doc_cfg_hide.stderr @@ -7,8 +7,6 @@ LL | #![doc(cfg_hide(test))] = note: see issue #43781 <https://github.com/rust-lang/rust/issues/43781> for more information = help: add `#![feature(doc_cfg_hide)]` to the crate attributes to enable -error: Compilation failed, aborting rustdoc - -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0658`. diff --git a/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.rs b/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.rs index daba6986864..c34ea0567a9 100644 --- a/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.rs +++ b/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.rs @@ -1,10 +1,12 @@ #![deny(unknown_lints)] //~^ NOTE defined here - #![allow(rustdoc::missing_doc_code_examples)] //~^ ERROR unknown lint //~| ERROR unknown lint +//~| ERROR unknown lint +//~| NOTE lint is unstable //~| NOTE lint is unstable //~| NOTE lint is unstable //~| NOTE see issue //~| NOTE see issue +//~| NOTE see issue diff --git a/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.stderr b/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.stderr index cbe9a3d14af..326dcfe3bde 100644 --- a/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.stderr +++ b/tests/rustdoc-ui/feature-gate-rustdoc_missing_doc_code_examples.stderr @@ -1,5 +1,5 @@ error: unknown lint: `rustdoc::missing_doc_code_examples` - --> $DIR/feature-gate-rustdoc_missing_doc_code_examples.rs:4:1 + --> $DIR/feature-gate-rustdoc_missing_doc_code_examples.rs:3:1 | LL | #![allow(rustdoc::missing_doc_code_examples)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -14,7 +14,7 @@ LL | #![deny(unknown_lints)] | ^^^^^^^^^^^^^ error: unknown lint: `rustdoc::missing_doc_code_examples` - --> $DIR/feature-gate-rustdoc_missing_doc_code_examples.rs:4:1 + --> $DIR/feature-gate-rustdoc_missing_doc_code_examples.rs:3:1 | LL | #![allow(rustdoc::missing_doc_code_examples)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -23,7 +23,15 @@ LL | #![allow(rustdoc::missing_doc_code_examples)] = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable -error: Compilation failed, aborting rustdoc +error: unknown lint: `rustdoc::missing_doc_code_examples` + --> $DIR/feature-gate-rustdoc_missing_doc_code_examples.rs:3:1 + | +LL | #![allow(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: the `rustdoc::missing_doc_code_examples` lint is unstable + = note: see issue #101730 <https://github.com/rust-lang/rust/issues/101730> for more information + = help: add `#![feature(rustdoc_missing_doc_code_examples)]` to the crate attributes to enable error: aborting due to 3 previous errors diff --git a/tests/rustdoc-ui/impl-fn-nesting.stderr b/tests/rustdoc-ui/impl-fn-nesting.stderr index 608749af895..75e6b4ed217 100644 --- a/tests/rustdoc-ui/impl-fn-nesting.stderr +++ b/tests/rustdoc-ui/impl-fn-nesting.stderr @@ -58,9 +58,7 @@ error[E0412]: cannot find type `UnknownType` in this scope LL | pub fn doubly_nested(c: UnknownType) { | ^^^^^^^^^^^ not found in this scope -error: Compilation failed, aborting rustdoc - -error: aborting due to 11 previous errors +error: aborting due to 10 previous errors Some errors have detailed explanations: E0405, E0412. For more information about an error, try `rustc --explain E0405`. diff --git a/tests/rustdoc-ui/intra-doc/proc-macro-doc.rs b/tests/rustdoc-ui/intra-doc/proc-macro-doc.rs new file mode 100644 index 00000000000..8335fc902cc --- /dev/null +++ b/tests/rustdoc-ui/intra-doc/proc-macro-doc.rs @@ -0,0 +1,27 @@ +// check-pass +// force-host +// no-prefer-dynamic +// compile-flags: --crate-type proc-macro + +#![deny(rustdoc::broken_intra_doc_links)] + +extern crate proc_macro; +use proc_macro::*; + +/// [`Unpin`] +#[proc_macro_derive(F)] +pub fn derive_(t: proc_macro::TokenStream) -> proc_macro::TokenStream { + t +} + +/// [`Vec`] +#[proc_macro_attribute] +pub fn attr(t: proc_macro::TokenStream, _: proc_macro::TokenStream) -> proc_macro::TokenStream { + t +} + +/// [`std::fs::File`] +#[proc_macro] +pub fn func(t: proc_macro::TokenStream) -> proc_macro::TokenStream { + t +} diff --git a/tests/rustdoc-ui/intra-doc/unknown-disambiguator.stderr b/tests/rustdoc-ui/intra-doc/unknown-disambiguator.stderr index 19e541736bd..741a7f51a77 100644 --- a/tests/rustdoc-ui/intra-doc/unknown-disambiguator.stderr +++ b/tests/rustdoc-ui/intra-doc/unknown-disambiguator.stderr @@ -20,22 +20,6 @@ LL | //! Linking to [foo@banana] and [`bar@banana!()`]. | = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators -error: unknown disambiguator `foo` - --> $DIR/unknown-disambiguator.rs:10:34 - | -LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. - | ^^^ - | - = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators - -error: unknown disambiguator `foo` - --> $DIR/unknown-disambiguator.rs:10:48 - | -LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. - | ^^^ - | - = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators - error: unknown disambiguator `` --> $DIR/unknown-disambiguator.rs:7:31 | @@ -52,5 +36,21 @@ LL | //! And to [no disambiguator](@nectarine) and [another](@apricot!()). | = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators +error: unknown disambiguator `foo` + --> $DIR/unknown-disambiguator.rs:10:34 + | +LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. + | ^^^ + | + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + +error: unknown disambiguator `foo` + --> $DIR/unknown-disambiguator.rs:10:48 + | +LL | //! And with weird backticks: [``foo@hello``] [foo`@`hello]. + | ^^^ + | + = note: see https://doc.rust-lang.org/$CHANNEL/rustdoc/write-documentation/linking-to-items-by-name.html#namespaces-and-disambiguators for more info about disambiguators + error: aborting due to 6 previous errors diff --git a/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr b/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr index b54f8200666..14f56061852 100644 --- a/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr +++ b/tests/rustdoc-ui/intra-doc/unresolved-import-recovery.stderr @@ -6,8 +6,6 @@ LL | use unresolved_crate::module::Name; | = help: consider adding `extern crate unresolved_crate` to use the `unresolved_crate` crate -error: Compilation failed, aborting rustdoc - -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0433`. diff --git a/tests/rustdoc-ui/issue-61732.stderr b/tests/rustdoc-ui/issue-61732.stderr index 38fadaa4435..d16ec6a853a 100644 --- a/tests/rustdoc-ui/issue-61732.stderr +++ b/tests/rustdoc-ui/issue-61732.stderr @@ -6,8 +6,6 @@ LL | pub(in crate::r#mod) fn main() {} | = help: consider adding `extern crate r#mod` to use the `r#mod` crate -error: Compilation failed, aborting rustdoc - -error: aborting due to 2 previous errors +error: aborting due to previous error For more information about this error, try `rustc --explain E0433`. diff --git a/tests/rustdoc-ui/lint-group.rs b/tests/rustdoc-ui/lint-group.rs index 09aca6d2b27..ad88157f64f 100644 --- a/tests/rustdoc-ui/lint-group.rs +++ b/tests/rustdoc-ui/lint-group.rs @@ -6,6 +6,7 @@ //! println!("sup"); //! ``` +#![deny(rustdoc::missing_doc_code_examples)] #![deny(rustdoc::all)] /// what up, let's make an [error] diff --git a/tests/rustdoc-ui/lint-group.stderr b/tests/rustdoc-ui/lint-group.stderr index 4f2c9658891..7ff09fcc45a 100644 --- a/tests/rustdoc-ui/lint-group.stderr +++ b/tests/rustdoc-ui/lint-group.stderr @@ -1,5 +1,5 @@ error: missing code example in this documentation - --> $DIR/lint-group.rs:18:1 + --> $DIR/lint-group.rs:19:1 | LL | /// wait, this doesn't have a doctest? | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -7,12 +7,11 @@ LL | /// wait, this doesn't have a doctest? note: the lint level is defined here --> $DIR/lint-group.rs:9:9 | -LL | #![deny(rustdoc::all)] - | ^^^^^^^^^^^^ - = note: `#[deny(rustdoc::missing_doc_code_examples)]` implied by `#[deny(rustdoc::all)]` +LL | #![deny(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: documentation test in private item - --> $DIR/lint-group.rs:21:1 + --> $DIR/lint-group.rs:22:1 | LL | / /// wait, this *does* have a doctest? LL | | /// @@ -21,16 +20,21 @@ LL | | /// println!("sup"); LL | | /// ``` | |_______^ | +note: the lint level is defined here + --> $DIR/lint-group.rs:10:9 + | +LL | #![deny(rustdoc::all)] + | ^^^^^^^^^^^^ = note: `#[deny(rustdoc::private_doc_tests)]` implied by `#[deny(rustdoc::all)]` error: missing code example in this documentation - --> $DIR/lint-group.rs:28:1 + --> $DIR/lint-group.rs:29:1 | LL | /// <unknown> | ^^^^^^^^^^^^^ error: unresolved link to `error` - --> $DIR/lint-group.rs:11:29 + --> $DIR/lint-group.rs:12:29 | LL | /// what up, let's make an [error] | ^^^^^ no item named `error` in scope @@ -39,7 +43,7 @@ LL | /// what up, let's make an [error] = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(rustdoc::all)]` error: unclosed HTML tag `unknown` - --> $DIR/lint-group.rs:28:5 + --> $DIR/lint-group.rs:29:5 | LL | /// <unknown> | ^^^^^^^^^ diff --git a/tests/rustdoc-ui/rustdoc-all-only-stable-lints.rs b/tests/rustdoc-ui/rustdoc-all-only-stable-lints.rs new file mode 100644 index 00000000000..e106d06aff5 --- /dev/null +++ b/tests/rustdoc-ui/rustdoc-all-only-stable-lints.rs @@ -0,0 +1,6 @@ +// check-pass + +// Ensure `rustdoc::all` only affects stable lints. See #106289. + +#![deny(unknown_lints)] +#![allow(rustdoc::all)] diff --git a/tests/rustdoc-ui/unable-fulfill-trait.stderr b/tests/rustdoc-ui/unable-fulfill-trait.stderr index a16b5b6eb2f..72f35cb9224 100644 --- a/tests/rustdoc-ui/unable-fulfill-trait.stderr +++ b/tests/rustdoc-ui/unable-fulfill-trait.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/unable-fulfill-trait.rs:4:17 | LL | field1: dyn Bar<'a, 'b,>, diff --git a/tests/rustdoc-ui/unknown-renamed-lints.stderr b/tests/rustdoc-ui/unknown-renamed-lints.stderr index b105f47d751..bf529b9f8e2 100644 --- a/tests/rustdoc-ui/unknown-renamed-lints.stderr +++ b/tests/rustdoc-ui/unknown-renamed-lints.stderr @@ -58,7 +58,5 @@ error: unknown lint: `rustdoc::intra_doc_link_resolution_failure` LL | #![deny(rustdoc::intra_doc_link_resolution_failure)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: Compilation failed, aborting rustdoc - -error: aborting due to 9 previous errors +error: aborting due to 8 previous errors diff --git a/tests/rustdoc-ui/z-help.stdout b/tests/rustdoc-ui/z-help.stdout index 8d0155151b8..58b2f92d150 100644 --- a/tests/rustdoc-ui/z-help.stdout +++ b/tests/rustdoc-ui/z-help.stdout @@ -1,76 +1,76 @@ - -Z allow-features=val -- only allow the listed language features to be enabled in code (comma separated) - -Z always-encode-mir=val -- encode MIR of all functions into the crate metadata (default: no) - -Z asm-comments=val -- generate comments into the assembly (may change behavior) (default: no) - -Z assert-incr-state=val -- assert that the incremental cache is in given state: either `loaded` or `not-loaded`. - -Z assume-incomplete-release=val -- make cfg(version) treat the current version as incomplete (default: no) - -Z binary-dep-depinfo=val -- include artifacts (sysroot, crate dependencies) used during compilation in dep-info (default: no) - -Z box-noalias=val -- emit noalias metadata for box (default: yes) - -Z branch-protection=val -- set options for branch target identification and pointer authentication on AArch64 - -Z cf-protection=val -- instrument control-flow architecture protection - -Z cgu-partitioning-strategy=val -- the codegen unit partitioning strategy to use - -Z codegen-backend=val -- the backend to use - -Z combine-cgu=val -- combine CGUs into a single one - -Z crate-attr=val -- inject the given attribute in the crate - -Z debug-info-for-profiling=val -- emit discriminators and other data necessary for AutoFDO - -Z debug-macros=val -- emit line numbers debug info inside macros (default: no) - -Z deduplicate-diagnostics=val -- deduplicate identical diagnostics (default: yes) - -Z dep-info-omit-d-target=val -- in dep-info output, omit targets for tracking dependencies of the dep-info files themselves (default: no) - -Z dep-tasks=val -- print tasks that execute and the color their dep node gets (requires debug build) (default: no) - -Z diagnostic-width=val -- set the current output width for diagnostic truncation - -Z dlltool=val -- import library generation tool (windows-gnu only) - -Z dont-buffer-diagnostics=val -- emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) (default: no) - -Z drop-tracking=val -- enables drop tracking in generators (default: no) - -Z drop-tracking-mir=val -- enables drop tracking on MIR in generators (default: no) - -Z dual-proc-macros=val -- load proc macros for both target and host, but only link to the target (default: no) - -Z dump-dep-graph=val -- dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) (default: no) - -Z dump-drop-tracking-cfg=val -- dump drop-tracking control-flow graph as a `.dot` file (default: no) - -Z dump-mir=val -- dump MIR state to file. + -Z allow-features=val -- only allow the listed language features to be enabled in code (comma separated) + -Z always-encode-mir=val -- encode MIR of all functions into the crate metadata (default: no) + -Z asm-comments=val -- generate comments into the assembly (may change behavior) (default: no) + -Z assert-incr-state=val -- assert that the incremental cache is in given state: either `loaded` or `not-loaded`. + -Z assume-incomplete-release=val -- make cfg(version) treat the current version as incomplete (default: no) + -Z binary-dep-depinfo=val -- include artifacts (sysroot, crate dependencies) used during compilation in dep-info (default: no) + -Z box-noalias=val -- emit noalias metadata for box (default: yes) + -Z branch-protection=val -- set options for branch target identification and pointer authentication on AArch64 + -Z cf-protection=val -- instrument control-flow architecture protection + -Z cgu-partitioning-strategy=val -- the codegen unit partitioning strategy to use + -Z codegen-backend=val -- the backend to use + -Z combine-cgu=val -- combine CGUs into a single one + -Z crate-attr=val -- inject the given attribute in the crate + -Z debug-info-for-profiling=val -- emit discriminators and other data necessary for AutoFDO + -Z debug-macros=val -- emit line numbers debug info inside macros (default: no) + -Z deduplicate-diagnostics=val -- deduplicate identical diagnostics (default: yes) + -Z dep-info-omit-d-target=val -- in dep-info output, omit targets for tracking dependencies of the dep-info files themselves (default: no) + -Z dep-tasks=val -- print tasks that execute and the color their dep node gets (requires debug build) (default: no) + -Z diagnostic-width=val -- set the current output width for diagnostic truncation + -Z dlltool=val -- import library generation tool (windows-gnu only) + -Z dont-buffer-diagnostics=val -- emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) (default: no) + -Z drop-tracking=val -- enables drop tracking in generators (default: no) + -Z drop-tracking-mir=val -- enables drop tracking on MIR in generators (default: no) + -Z dual-proc-macros=val -- load proc macros for both target and host, but only link to the target (default: no) + -Z dump-dep-graph=val -- dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) (default: no) + -Z dump-drop-tracking-cfg=val -- dump drop-tracking control-flow graph as a `.dot` file (default: no) + -Z dump-mir=val -- dump MIR state to file. `val` is used to select which passes and functions to dump. For example: `all` matches all passes and functions, `foo` matches all passes for functions whose name contains 'foo', `foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo', `foo | bar` all passes for function names containing 'foo' or 'bar'. - -Z dump-mir-dataflow=val -- in addition to `.mir` files, create graphviz `.dot` files with dataflow results (default: no) - -Z dump-mir-dir=val -- the directory the MIR is dumped into (default: `mir_dump`) - -Z dump-mir-exclude-pass-number=val -- exclude the pass number when dumping MIR (used in tests) (default: no) - -Z dump-mir-graphviz=val -- in addition to `.mir` files, create graphviz `.dot` files (and with `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived coverage graph) (default: no) - -Z dump-mir-spanview=val -- in addition to `.mir` files, create `.html` files to view spans for all `statement`s (including terminators), only `terminator` spans, or computed `block` spans (one span encompassing a block's terminator and all statements). If `-Z instrument-coverage` is also enabled, create an additional `.html` file showing the computed coverage spans. - -Z dump-mono-stats=val -- output statistics about monomorphization collection - -Z dump-mono-stats-format=val -- the format to use for -Z dump-mono-stats (`markdown` (default) or `json`) - -Z dwarf-version=val -- version of DWARF debug information to emit (default: 2 or 4, depending on platform) - -Z dylib-lto=val -- enables LTO for dylib crate type - -Z emit-stack-sizes=val -- emit a section containing stack size metadata (default: no) - -Z emit-thin-lto=val -- emit the bc module with thin LTO info (default: yes) - -Z export-executable-symbols=val -- export symbols from executables, as if they were dynamic libraries - -Z extra-const-ub-checks=val -- turns on more checks to detect const UB, which can be slow (default: no) - -Z fewer-names=val -- reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) (default: no) - -Z force-unstable-if-unmarked=val -- force all crates to be `rustc_private` unstable (default: no) - -Z fuel=val -- set the optimization fuel quota for a crate - -Z function-sections=val -- whether each function should go in its own section - -Z future-incompat-test=val -- forces all lints to be future incompatible, used for internal testing (default: no) - -Z gcc-ld=val -- implementation of ld used by cc - -Z graphviz-dark-mode=val -- use dark-themed colors in graphviz output (default: no) - -Z graphviz-font=val -- use the given `fontname` in graphviz output; can be overridden by setting environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`) - -Z hir-stats=val -- print some statistics about AST and HIR (default: no) - -Z human-readable-cgu-names=val -- generate human-readable, predictable names for codegen units (default: no) - -Z identify-regions=val -- display unnamed regions as `'<id>`, using a non-ident unique id (default: no) - -Z incremental-ignore-spans=val -- ignore spans during ICH computation -- used for testing (default: no) - -Z incremental-info=val -- print high-level information about incremental reuse (or the lack thereof) (default: no) - -Z incremental-relative-spans=val -- hash spans relative to their parent item for incr. comp. (default: no) - -Z incremental-verify-ich=val -- verify incr. comp. hashes of green query instances (default: no) - -Z inline-in-all-cgus=val -- control whether `#[inline]` functions are in all CGUs - -Z inline-llvm=val -- enable LLVM inlining (default: yes) - -Z inline-mir=val -- enable MIR inlining (default: no) - -Z inline-mir-hint-threshold=val -- inlining threshold for functions with inline hint (default: 100) - -Z inline-mir-threshold=val -- a default MIR inlining threshold (default: 50) - -Z input-stats=val -- gather statistics about the input (default: no) - -Z instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: + -Z dump-mir-dataflow=val -- in addition to `.mir` files, create graphviz `.dot` files with dataflow results (default: no) + -Z dump-mir-dir=val -- the directory the MIR is dumped into (default: `mir_dump`) + -Z dump-mir-exclude-pass-number=val -- exclude the pass number when dumping MIR (used in tests) (default: no) + -Z dump-mir-graphviz=val -- in addition to `.mir` files, create graphviz `.dot` files (and with `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived coverage graph) (default: no) + -Z dump-mir-spanview=val -- in addition to `.mir` files, create `.html` files to view spans for all `statement`s (including terminators), only `terminator` spans, or computed `block` spans (one span encompassing a block's terminator and all statements). If `-Z instrument-coverage` is also enabled, create an additional `.html` file showing the computed coverage spans. + -Z dump-mono-stats=val -- output statistics about monomorphization collection + -Z dump-mono-stats-format=val -- the format to use for -Z dump-mono-stats (`markdown` (default) or `json`) + -Z dwarf-version=val -- version of DWARF debug information to emit (default: 2 or 4, depending on platform) + -Z dylib-lto=val -- enables LTO for dylib crate type + -Z emit-stack-sizes=val -- emit a section containing stack size metadata (default: no) + -Z emit-thin-lto=val -- emit the bc module with thin LTO info (default: yes) + -Z export-executable-symbols=val -- export symbols from executables, as if they were dynamic libraries + -Z extra-const-ub-checks=val -- turns on more checks to detect const UB, which can be slow (default: no) + -Z fewer-names=val -- reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) (default: no) + -Z force-unstable-if-unmarked=val -- force all crates to be `rustc_private` unstable (default: no) + -Z fuel=val -- set the optimization fuel quota for a crate + -Z function-sections=val -- whether each function should go in its own section + -Z future-incompat-test=val -- forces all lints to be future incompatible, used for internal testing (default: no) + -Z gcc-ld=val -- implementation of ld used by cc + -Z graphviz-dark-mode=val -- use dark-themed colors in graphviz output (default: no) + -Z graphviz-font=val -- use the given `fontname` in graphviz output; can be overridden by setting environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`) + -Z hir-stats=val -- print some statistics about AST and HIR (default: no) + -Z human-readable-cgu-names=val -- generate human-readable, predictable names for codegen units (default: no) + -Z identify-regions=val -- display unnamed regions as `'<id>`, using a non-ident unique id (default: no) + -Z incremental-ignore-spans=val -- ignore spans during ICH computation -- used for testing (default: no) + -Z incremental-info=val -- print high-level information about incremental reuse (or the lack thereof) (default: no) + -Z incremental-relative-spans=val -- hash spans relative to their parent item for incr. comp. (default: no) + -Z incremental-verify-ich=val -- verify incr. comp. hashes of green query instances (default: no) + -Z inline-in-all-cgus=val -- control whether `#[inline]` functions are in all CGUs + -Z inline-llvm=val -- enable LLVM inlining (default: yes) + -Z inline-mir=val -- enable MIR inlining (default: no) + -Z inline-mir-hint-threshold=val -- inlining threshold for functions with inline hint (default: 100) + -Z inline-mir-threshold=val -- a default MIR inlining threshold (default: 50) + -Z input-stats=val -- gather statistics about the input (default: no) + -Z instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: `=all` (implicit value) `=except-unused-generics` `=except-unused-functions` `=off` (default) - -Z instrument-mcount=val -- insert function instrument code for mcount-based tracing (default: no) - -Z instrument-xray=val -- insert function instrument code for XRay-based tracing (default: no) + -Z instrument-mcount=val -- insert function instrument code for mcount-based tracing (default: no) + -Z instrument-xray=val -- insert function instrument code for XRay-based tracing (default: no) Optional extra settings: `=always` `=never` @@ -79,125 +79,124 @@ `=skip-entry` `=skip-exit` Multiple options can be combined with commas. - -Z keep-hygiene-data=val -- keep hygiene data after analysis (default: no) - -Z layout-seed=val -- seed layout randomization - -Z link-native-libraries=val -- link native libraries in the linker invocation (default: yes) - -Z link-only=val -- link the `.rlink` file generated by `-Z no-link` (default: no) - -Z llvm-plugins=val -- a list LLVM plugins to enable (space separated) - -Z llvm-time-trace=val -- generate JSON tracing data file from LLVM data (default: no) - -Z location-detail=val -- what location details should be tracked when using caller_location, either `none`, or a comma separated list of location details, for which valid options are `file`, `line`, and `column` (default: `file,line,column`) - -Z ls=val -- list the symbols defined by a library crate (default: no) - -Z macro-backtrace=val -- show macro backtraces (default: no) - -Z maximal-hir-to-mir-coverage=val -- save as much information as possible about the correspondence between MIR and HIR as source scopes (default: no) - -Z merge-functions=val -- control the operation of the MergeFunctions LLVM pass, taking the same values as the target option of the same name - -Z meta-stats=val -- gather metadata statistics (default: no) - -Z mir-emit-retag=val -- emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 (default: no) - -Z mir-enable-passes=val -- use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be enabled, overriding all other checks. Passes that are not specified are enabled or disabled by other flags as usual. - -Z mir-opt-level=val -- MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds) - -Z mir-pretty-relative-line-numbers=val -- use line numbers relative to the function in mir pretty printing - -Z move-size-limit=val -- the size at which the `large_assignments` lint starts to be emitted - -Z mutable-noalias=val -- emit noalias metadata for mutable references (default: yes) - -Z nll-facts=val -- dump facts from NLL analysis into side files (default: no) - -Z nll-facts-dir=val -- the directory the NLL facts are dumped into (default: `nll-facts`) - -Z no-analysis=val -- parse and expand the source, but run no analysis - -Z no-codegen=val -- run all passes except codegen; no output - -Z no-generate-arange-section=val -- omit DWARF address ranges that give faster lookups - -Z no-jump-tables=val -- disable the jump tables and lookup tables that can be generated from a switch case lowering - -Z no-leak-check=val -- disable the 'leak check' for subtyping; unsound, but useful for tests - -Z no-link=val -- compile without linking - -Z no-parallel-llvm=val -- run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO) - -Z no-profiler-runtime=val -- prevent automatic injection of the profiler_builtins crate - -Z no-unique-section-names=val -- do not use unique names for text and data sections when -Z function-sections is used - -Z normalize-docs=val -- normalize associated items in rustdoc when generating documentation - -Z oom=val -- panic strategy for out-of-memory handling - -Z osx-rpath-install-name=val -- pass `-install_name @rpath/...` to the macOS linker (default: no) - -Z packed-bundled-libs=val -- change rlib format to store native libraries as archives - -Z panic-abort-tests=val -- support compiling tests with panic=abort (default: no) - -Z panic-in-drop=val -- panic strategy for panics in drops - -Z parse-only=val -- parse only; do not compile, assemble, or link (default: no) - -Z perf-stats=val -- print some performance-related statistics (default: no) - -Z pick-stable-methods-before-any-unstable=val -- try to pick stable methods first before picking any unstable methods (default: yes) - -Z plt=val -- whether to use the PLT when calling into shared libraries; + -Z keep-hygiene-data=val -- keep hygiene data after analysis (default: no) + -Z layout-seed=val -- seed layout randomization + -Z link-native-libraries=val -- link native libraries in the linker invocation (default: yes) + -Z link-only=val -- link the `.rlink` file generated by `-Z no-link` (default: no) + -Z llvm-plugins=val -- a list LLVM plugins to enable (space separated) + -Z llvm-time-trace=val -- generate JSON tracing data file from LLVM data (default: no) + -Z location-detail=val -- what location details should be tracked when using caller_location, either `none`, or a comma separated list of location details, for which valid options are `file`, `line`, and `column` (default: `file,line,column`) + -Z ls=val -- list the symbols defined by a library crate (default: no) + -Z macro-backtrace=val -- show macro backtraces (default: no) + -Z maximal-hir-to-mir-coverage=val -- save as much information as possible about the correspondence between MIR and HIR as source scopes (default: no) + -Z merge-functions=val -- control the operation of the MergeFunctions LLVM pass, taking the same values as the target option of the same name + -Z meta-stats=val -- gather metadata statistics (default: no) + -Z mir-emit-retag=val -- emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 (default: no) + -Z mir-enable-passes=val -- use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be enabled, overriding all other checks. Passes that are not specified are enabled or disabled by other flags as usual. + -Z mir-opt-level=val -- MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds) + -Z mir-pretty-relative-line-numbers=val -- use line numbers relative to the function in mir pretty printing + -Z move-size-limit=val -- the size at which the `large_assignments` lint starts to be emitted + -Z mutable-noalias=val -- emit noalias metadata for mutable references (default: yes) + -Z nll-facts=val -- dump facts from NLL analysis into side files (default: no) + -Z nll-facts-dir=val -- the directory the NLL facts are dumped into (default: `nll-facts`) + -Z no-analysis=val -- parse and expand the source, but run no analysis + -Z no-codegen=val -- run all passes except codegen; no output + -Z no-generate-arange-section=val -- omit DWARF address ranges that give faster lookups + -Z no-jump-tables=val -- disable the jump tables and lookup tables that can be generated from a switch case lowering + -Z no-leak-check=val -- disable the 'leak check' for subtyping; unsound, but useful for tests + -Z no-link=val -- compile without linking + -Z no-parallel-llvm=val -- run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO) + -Z no-profiler-runtime=val -- prevent automatic injection of the profiler_builtins crate + -Z no-unique-section-names=val -- do not use unique names for text and data sections when -Z function-sections is used + -Z normalize-docs=val -- normalize associated items in rustdoc when generating documentation + -Z oom=val -- panic strategy for out-of-memory handling + -Z osx-rpath-install-name=val -- pass `-install_name @rpath/...` to the macOS linker (default: no) + -Z packed-bundled-libs=val -- change rlib format to store native libraries as archives + -Z panic-abort-tests=val -- support compiling tests with panic=abort (default: no) + -Z panic-in-drop=val -- panic strategy for panics in drops + -Z parse-only=val -- parse only; do not compile, assemble, or link (default: no) + -Z perf-stats=val -- print some performance-related statistics (default: no) + -Z plt=val -- whether to use the PLT when calling into shared libraries; only has effect for PIC code on systems with ELF binaries (default: PLT is disabled if full relro is enabled) - -Z polonius=val -- enable polonius-based borrow-checker (default: no) - -Z polymorphize=val -- perform polymorphization analysis - -Z pre-link-arg=val -- a single extra argument to prepend the linker invocation (can be used several times) - -Z pre-link-args=val -- extra arguments to prepend to the linker invocation (space separated) - -Z precise-enum-drop-elaboration=val -- use a more precise version of drop elaboration for matches on enums (default: yes). This results in better codegen, but has caused miscompilations on some tier 2 platforms. See #77382 and #74551. - -Z print-fuel=val -- make rustc print the total optimization fuel used by a crate - -Z print-llvm-passes=val -- print the LLVM optimization passes being run (default: no) - -Z print-mono-items=val -- print the result of the monomorphization collection pass - -Z print-type-sizes=val -- print layout information for each type encountered (default: no) - -Z proc-macro-backtrace=val -- show backtraces for panics during proc-macro execution (default: no) - -Z proc-macro-execution-strategy=val -- how to run proc-macro code (default: same-thread) - -Z profile=val -- insert profiling code (default: no) - -Z profile-closures=val -- profile size of closures - -Z profile-emit=val -- file path to emit profiling data at runtime when using 'profile' (default based on relative source path) - -Z profile-sample-use=val -- use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO) - -Z profiler-runtime=val -- name of the profiler runtime crate to automatically inject (default: `profiler_builtins`) - -Z query-dep-graph=val -- enable queries of the dependency graph for regression testing (default: no) - -Z randomize-layout=val -- randomize the layout of types (default: no) - -Z relax-elf-relocations=val -- whether ELF relocations can be relaxed - -Z relro-level=val -- choose which RELRO level to use - -Z remap-cwd-prefix=val -- remap paths under the current working directory to this path prefix - -Z report-delayed-bugs=val -- immediately print bugs registered with `delay_span_bug` (default: no) - -Z sanitizer=val -- use a sanitizer - -Z sanitizer-memory-track-origins=val -- enable origins tracking in MemorySanitizer - -Z sanitizer-recover=val -- enable recovery for selected sanitizers - -Z saturating-float-casts=val -- make float->int casts UB-free: numbers outside the integer type's range are clipped to the max/min integer respectively, and NaN is mapped to 0 (default: yes) - -Z self-profile=val -- run the self profiler and output the raw event data - -Z self-profile-counter=val -- counter used by the self profiler (default: `wall-time`), one of: + -Z polonius=val -- enable polonius-based borrow-checker (default: no) + -Z polymorphize=val -- perform polymorphization analysis + -Z pre-link-arg=val -- a single extra argument to prepend the linker invocation (can be used several times) + -Z pre-link-args=val -- extra arguments to prepend to the linker invocation (space separated) + -Z precise-enum-drop-elaboration=val -- use a more precise version of drop elaboration for matches on enums (default: yes). This results in better codegen, but has caused miscompilations on some tier 2 platforms. See #77382 and #74551. + -Z print-fuel=val -- make rustc print the total optimization fuel used by a crate + -Z print-llvm-passes=val -- print the LLVM optimization passes being run (default: no) + -Z print-mono-items=val -- print the result of the monomorphization collection pass + -Z print-type-sizes=val -- print layout information for each type encountered (default: no) + -Z proc-macro-backtrace=val -- show backtraces for panics during proc-macro execution (default: no) + -Z proc-macro-execution-strategy=val -- how to run proc-macro code (default: same-thread) + -Z profile=val -- insert profiling code (default: no) + -Z profile-closures=val -- profile size of closures + -Z profile-emit=val -- file path to emit profiling data at runtime when using 'profile' (default based on relative source path) + -Z profile-sample-use=val -- use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO) + -Z profiler-runtime=val -- name of the profiler runtime crate to automatically inject (default: `profiler_builtins`) + -Z query-dep-graph=val -- enable queries of the dependency graph for regression testing (default: no) + -Z randomize-layout=val -- randomize the layout of types (default: no) + -Z relax-elf-relocations=val -- whether ELF relocations can be relaxed + -Z relro-level=val -- choose which RELRO level to use + -Z remap-cwd-prefix=val -- remap paths under the current working directory to this path prefix + -Z report-delayed-bugs=val -- immediately print bugs registered with `delay_span_bug` (default: no) + -Z sanitizer=val -- use a sanitizer + -Z sanitizer-memory-track-origins=val -- enable origins tracking in MemorySanitizer + -Z sanitizer-recover=val -- enable recovery for selected sanitizers + -Z saturating-float-casts=val -- make float->int casts UB-free: numbers outside the integer type's range are clipped to the max/min integer respectively, and NaN is mapped to 0 (default: yes) + -Z self-profile=val -- run the self profiler and output the raw event data + -Z self-profile-counter=val -- counter used by the self profiler (default: `wall-time`), one of: `wall-time` (monotonic clock, i.e. `std::time::Instant`) `instructions:u` (retired instructions, userspace-only) `instructions-minus-irqs:u` (subtracting hardware interrupt counts for extra accuracy) - -Z self-profile-events=val -- specify the events recorded by the self profiler; + -Z self-profile-events=val -- specify the events recorded by the self profiler; for example: `-Z self-profile-events=default,query-keys` all options: none, all, default, generic-activity, query-provider, query-cache-hit query-blocked, incr-cache-load, incr-result-hashing, query-keys, function-args, args, llvm, artifact-sizes - -Z share-generics=val -- make the current crate share its generic instantiations - -Z show-span=val -- show spans for compiler debugging (expr|pat|ty) - -Z simulate-remapped-rust-src-base=val -- simulate the effect of remap-debuginfo = true at bootstrapping by remapping path to rust's source base directory. only meant for testing purposes - -Z span-debug=val -- forward proc_macro::Span's `Debug` impl to `Span` - -Z span-free-formats=val -- exclude spans when debug-printing compiler state (default: no) - -Z split-dwarf-inlining=val -- provide minimal debug info in the object/executable to facilitate online symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF - -Z split-dwarf-kind=val -- split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform) + -Z share-generics=val -- make the current crate share its generic instantiations + -Z show-span=val -- show spans for compiler debugging (expr|pat|ty) + -Z simulate-remapped-rust-src-base=val -- simulate the effect of remap-debuginfo = true at bootstrapping by remapping path to rust's source base directory. only meant for testing purposes + -Z span-debug=val -- forward proc_macro::Span's `Debug` impl to `Span` + -Z span-free-formats=val -- exclude spans when debug-printing compiler state (default: no) + -Z split-dwarf-inlining=val -- provide minimal debug info in the object/executable to facilitate online symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF + -Z split-dwarf-kind=val -- split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform) (default: `split`) `split`: sections which do not require relocation are written into a DWARF object (`.dwo`) file which is ignored by the linker `single`: sections which do not require relocation are written into object file but ignored by the linker - -Z src-hash-algorithm=val -- hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`) - -Z stack-protector=val -- control stack smash protection strategy (`rustc --print stack-protector-strategies` for details) - -Z strict-init-checks=val -- control if mem::uninitialized and mem::zeroed panic on more UB - -Z strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) - -Z symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') - -Z teach=val -- show extended diagnostic help (default: no) - -Z temps-dir=val -- the directory the intermediate files are written to - -Z terminal-urls=val -- use the OSC 8 hyperlink terminal specification to print hyperlinks in the compiler output - -Z thinlto=val -- enable ThinLTO when possible - -Z thir-unsafeck=val -- use the THIR unsafety checker (default: no) - -Z threads=val -- use a thread pool with N threads - -Z time-llvm-passes=val -- measure time of each LLVM pass (default: no) - -Z time-passes=val -- measure time of each rustc pass (default: no) - -Z tiny-const-eval-limit=val -- sets a tiny, non-configurable limit for const eval; useful for compiler tests - -Z tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details) - -Z trace-macros=val -- for every macro invocation, print its name and arguments (default: no) - -Z track-diagnostics=val -- tracks where in rustc a diagnostic was emitted - -Z trait-solver=val -- specify the trait solver mode used by rustc (default: classic) - -Z translate-additional-ftl=val -- additional fluent translation to preferentially use (for testing translation) - -Z translate-directionality-markers=val -- emit directionality isolation markers in translated diagnostics - -Z translate-lang=val -- language identifier for diagnostic output - -Z translate-remapped-path-to-local-path=val -- translate remapped paths into local paths when possible (default: yes) - -Z trap-unreachable=val -- generate trap instructions for unreachable intrinsics (default: use target setting, usually yes) - -Z treat-err-as-bug=val -- treat error number `val` that occurs as bug - -Z trim-diagnostic-paths=val -- in diagnostics, use heuristics to shorten paths referring to items - -Z tune-cpu=val -- select processor to schedule for (`rustc --print target-cpus` for details) - -Z ui-testing=val -- emit compiler diagnostics in a form suitable for UI testing (default: no) - -Z uninit-const-chunk-threshold=val -- allow generating const initializers with mixed init/uninit chunks, and set the maximum number of chunks for which this is allowed (default: 16) - -Z unleash-the-miri-inside-of-you=val -- take the brakes off const evaluation. NOTE: this is unsound (default: no) - -Z unpretty=val -- present the input source, unstable (and less-pretty) variants; + -Z src-hash-algorithm=val -- hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`) + -Z stack-protector=val -- control stack smash protection strategy (`rustc --print stack-protector-strategies` for details) + -Z strict-init-checks=val -- control if mem::uninitialized and mem::zeroed panic on more UB + -Z strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) + -Z symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') + -Z teach=val -- show extended diagnostic help (default: no) + -Z temps-dir=val -- the directory the intermediate files are written to + -Z terminal-urls=val -- use the OSC 8 hyperlink terminal specification to print hyperlinks in the compiler output + -Z thinlto=val -- enable ThinLTO when possible + -Z thir-unsafeck=val -- use the THIR unsafety checker (default: no) + -Z threads=val -- use a thread pool with N threads + -Z time-llvm-passes=val -- measure time of each LLVM pass (default: no) + -Z time-passes=val -- measure time of each rustc pass (default: no) + -Z tiny-const-eval-limit=val -- sets a tiny, non-configurable limit for const eval; useful for compiler tests + -Z tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details) + -Z trace-macros=val -- for every macro invocation, print its name and arguments (default: no) + -Z track-diagnostics=val -- tracks where in rustc a diagnostic was emitted + -Z trait-solver=val -- specify the trait solver mode used by rustc (default: classic) + -Z translate-additional-ftl=val -- additional fluent translation to preferentially use (for testing translation) + -Z translate-directionality-markers=val -- emit directionality isolation markers in translated diagnostics + -Z translate-lang=val -- language identifier for diagnostic output + -Z translate-remapped-path-to-local-path=val -- translate remapped paths into local paths when possible (default: yes) + -Z trap-unreachable=val -- generate trap instructions for unreachable intrinsics (default: use target setting, usually yes) + -Z treat-err-as-bug=val -- treat error number `val` that occurs as bug + -Z trim-diagnostic-paths=val -- in diagnostics, use heuristics to shorten paths referring to items + -Z tune-cpu=val -- select processor to schedule for (`rustc --print target-cpus` for details) + -Z ui-testing=val -- emit compiler diagnostics in a form suitable for UI testing (default: no) + -Z uninit-const-chunk-threshold=val -- allow generating const initializers with mixed init/uninit chunks, and set the maximum number of chunks for which this is allowed (default: 16) + -Z unleash-the-miri-inside-of-you=val -- take the brakes off const evaluation. NOTE: this is unsound (default: no) + -Z unpretty=val -- present the input source, unstable (and less-pretty) variants; `normal`, `identified`, `expanded`, `expanded,identified`, `expanded,hygiene` (with internal representations), @@ -207,11 +206,11 @@ `hir,typed` (HIR with types for each node), `hir-tree` (dump the raw HIR), `mir` (the MIR), or `mir-cfg` (graphviz formatted MIR) - -Z unsound-mir-opts=val -- enable unsound and buggy MIR optimizations (default: no) - -Z unstable-options=val -- adds unstable command line options to rustc interface (default: no) - -Z use-ctors-section=val -- use legacy .ctors section for initializers rather than .init_array - -Z validate-mir=val -- validate MIR after each transformation - -Z verbose=val -- in general, enable more debug printouts (default: no) - -Z verify-llvm-ir=val -- verify LLVM IR (default: no) - -Z virtual-function-elimination=val -- enables dead virtual function elimination optimization. Requires `-Clto[=[fat,yes]]` - -Z wasi-exec-model=val -- whether to build a wasi command or reactor + -Z unsound-mir-opts=val -- enable unsound and buggy MIR optimizations (default: no) + -Z unstable-options=val -- adds unstable command line options to rustc interface (default: no) + -Z use-ctors-section=val -- use legacy .ctors section for initializers rather than .init_array + -Z validate-mir=val -- validate MIR after each transformation + -Z verbose=val -- in general, enable more debug printouts (default: no) + -Z verify-llvm-ir=val -- verify LLVM IR (default: no) + -Z virtual-function-elimination=val -- enables dead virtual function elimination optimization. Requires `-Clto[=[fat,yes]]` + -Z wasi-exec-model=val -- whether to build a wasi command or reactor diff --git a/tests/rustdoc/cfg_doc_reexport.rs b/tests/rustdoc/cfg_doc_reexport.rs index 89c7f0a6f34..a10c84f2cac 100644 --- a/tests/rustdoc/cfg_doc_reexport.rs +++ b/tests/rustdoc/cfg_doc_reexport.rs @@ -5,8 +5,8 @@ #![no_core] // @has 'foo/index.html' -// @has - '//*[@class="item-left"]/*[@class="stab portability"]' 'foobar' -// @has - '//*[@class="item-left"]/*[@class="stab portability"]' 'bar' +// @has - '//*[@class="item-name"]/*[@class="stab portability"]' 'foobar' +// @has - '//*[@class="item-name"]/*[@class="stab portability"]' 'bar' #[doc(cfg(feature = "foobar"))] mod imp_priv { diff --git a/tests/rustdoc/deprecated.rs b/tests/rustdoc/deprecated.rs index 5cbe4d59108..51860441b35 100644 --- a/tests/rustdoc/deprecated.rs +++ b/tests/rustdoc/deprecated.rs @@ -1,6 +1,6 @@ -// @has deprecated/index.html '//*[@class="item-left"]/span[@class="stab deprecated"]' \ +// @has deprecated/index.html '//*[@class="item-name"]/span[@class="stab deprecated"]' \ // 'Deprecated' -// @has - '//*[@class="item-right docblock-short"]' 'Deprecated docs' +// @has - '//*[@class="desc docblock-short"]' 'Deprecated docs' // @has deprecated/struct.S.html '//*[@class="stab deprecated"]' \ // 'Deprecated since 1.0.0: text' @@ -8,7 +8,7 @@ #[deprecated(since = "1.0.0", note = "text")] pub struct S; -// @matches deprecated/index.html '//*[@class="item-right docblock-short"]' '^Docs' +// @matches deprecated/index.html '//*[@class="desc docblock-short"]' '^Docs' /// Docs pub struct T; diff --git a/tests/rustdoc/doc-cfg.rs b/tests/rustdoc/doc-cfg.rs index 1cfbfec6fcd..c4702d4109e 100644 --- a/tests/rustdoc/doc-cfg.rs +++ b/tests/rustdoc/doc-cfg.rs @@ -12,7 +12,7 @@ pub struct Portable; // @has doc_cfg/unix_only/index.html \ // '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \ // 'Available on Unix only.' -// @matches - '//*[@class="item-left"]//*[@class="stab portability"]' '\AARM\Z' +// @matches - '//*[@class="item-name"]//*[@class="stab portability"]' '\AARM\Z' // @count - '//*[@class="stab portability"]' 2 #[doc(cfg(unix))] pub mod unix_only { @@ -42,7 +42,7 @@ pub mod unix_only { // @has doc_cfg/wasi_only/index.html \ // '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \ // 'Available on WASI only.' -// @matches - '//*[@class="item-left"]//*[@class="stab portability"]' '\AWebAssembly\Z' +// @matches - '//*[@class="item-name"]//*[@class="stab portability"]' '\AWebAssembly\Z' // @count - '//*[@class="stab portability"]' 2 #[doc(cfg(target_os = "wasi"))] pub mod wasi_only { @@ -74,7 +74,7 @@ pub mod wasi_only { // the portability header is different on the module view versus the full view // @has doc_cfg/index.html -// @matches - '//*[@class="item-left"]//*[@class="stab portability"]' '\Aavx\Z' +// @matches - '//*[@class="item-name"]//*[@class="stab portability"]' '\Aavx\Z' // @has doc_cfg/fn.uses_target_feature.html // @has - '//*[@id="main-content"]/*[@class="item-info"]/*[@class="stab portability"]' \ diff --git a/tests/rustdoc/duplicate-cfg.rs b/tests/rustdoc/duplicate-cfg.rs index 1ac2e523249..12846c5c17a 100644 --- a/tests/rustdoc/duplicate-cfg.rs +++ b/tests/rustdoc/duplicate-cfg.rs @@ -2,8 +2,8 @@ #![feature(doc_cfg)] // @has 'foo/index.html' -// @matches '-' '//*[@class="item-left"]//*[@class="stab portability"]' '^sync$' -// @has '-' '//*[@class="item-left"]//*[@class="stab portability"]/@title' 'Available on crate feature `sync` only' +// @matches '-' '//*[@class="item-name"]//*[@class="stab portability"]' '^sync$' +// @has '-' '//*[@class="item-name"]//*[@class="stab portability"]/@title' 'Available on crate feature `sync` only' // @has 'foo/struct.Foo.html' // @has '-' '//*[@class="stab portability"]' 'sync' diff --git a/tests/rustdoc/glob-shadowing-const.rs b/tests/rustdoc/glob-shadowing-const.rs index 5b786cf53f2..58fe8173e03 100644 --- a/tests/rustdoc/glob-shadowing-const.rs +++ b/tests/rustdoc/glob-shadowing-const.rs @@ -15,6 +15,6 @@ mod sub4 { pub use sub4::inner::*; // @has 'foo/index.html' -// @has - '//div[@class="item-right docblock-short"]' '1' -// @!has - '//div[@class="item-right docblock-short"]' '0' +// @has - '//div[@class="desc docblock-short"]' '1' +// @!has - '//div[@class="desc docblock-short"]' '0' fn main() { assert_eq!(X, 1); } diff --git a/tests/rustdoc/glob-shadowing.rs b/tests/rustdoc/glob-shadowing.rs index 2668b333497..c117b9d6489 100644 --- a/tests/rustdoc/glob-shadowing.rs +++ b/tests/rustdoc/glob-shadowing.rs @@ -1,17 +1,17 @@ // @has 'glob_shadowing/index.html' -// @count - '//div[@class="item-left"]' 6 -// @!has - '//div[@class="item-right docblock-short"]' 'sub1::describe' -// @has - '//div[@class="item-right docblock-short"]' 'sub2::describe' +// @count - '//div[@class="item-name"]' 6 +// @!has - '//div[@class="desc docblock-short"]' 'sub1::describe' +// @has - '//div[@class="desc docblock-short"]' 'sub2::describe' -// @!has - '//div[@class="item-right docblock-short"]' 'sub1::describe2' +// @!has - '//div[@class="desc docblock-short"]' 'sub1::describe2' -// @!has - '//div[@class="item-right docblock-short"]' 'sub1::prelude' -// @has - '//div[@class="item-right docblock-short"]' 'mod::prelude' +// @!has - '//div[@class="desc docblock-short"]' 'sub1::prelude' +// @has - '//div[@class="desc docblock-short"]' 'mod::prelude' -// @has - '//div[@class="item-right docblock-short"]' 'sub1::Foo (struct)' -// @has - '//div[@class="item-right docblock-short"]' 'mod::Foo (function)' +// @has - '//div[@class="desc docblock-short"]' 'sub1::Foo (struct)' +// @has - '//div[@class="desc docblock-short"]' 'mod::Foo (function)' -// @has - '//div[@class="item-right docblock-short"]' 'sub4::inner::X' +// @has - '//div[@class="desc docblock-short"]' 'sub4::inner::X' // @has 'glob_shadowing/fn.describe.html' // @has - '//div[@class="docblock"]' 'sub2::describe' diff --git a/tests/rustdoc/inline_cross/macros.rs b/tests/rustdoc/inline_cross/macros.rs index b11d5b6c4fa..a41b9c5b197 100644 --- a/tests/rustdoc/inline_cross/macros.rs +++ b/tests/rustdoc/inline_cross/macros.rs @@ -6,9 +6,9 @@ extern crate macros; -// @has foo/index.html '//*[@class="item-left"]/span[@class="stab deprecated"]' \ +// @has foo/index.html '//*[@class="item-name"]/span[@class="stab deprecated"]' \ // Deprecated -// @has - '//*[@class="item-left"]/span[@class="stab unstable"]' \ +// @has - '//*[@class="item-name"]/span[@class="stab unstable"]' \ // Experimental // @has foo/macro.my_macro.html diff --git a/tests/rustdoc/internal.rs b/tests/rustdoc/internal.rs index caad43a087c..27b0897689e 100644 --- a/tests/rustdoc/internal.rs +++ b/tests/rustdoc/internal.rs @@ -3,12 +3,12 @@ // Check that the unstable marker is not added for "rustc_private". // @!matches internal/index.html \ -// '//*[@class="item-right docblock-short"]/span[@class="stab unstable"]' \ +// '//*[@class="desc docblock-short"]/span[@class="stab unstable"]' \ // '' // @!matches internal/index.html \ -// '//*[@class="item-right docblock-short"]/span[@class="stab internal"]' \ +// '//*[@class="desc docblock-short"]/span[@class="stab internal"]' \ // '' -// @matches - '//*[@class="item-right docblock-short"]' 'Docs' +// @matches - '//*[@class="desc docblock-short"]' 'Docs' // @!has internal/struct.S.html '//*[@class="stab unstable"]' '' // @!has internal/struct.S.html '//*[@class="stab internal"]' '' diff --git a/tests/rustdoc/intra-doc/basic.rs b/tests/rustdoc/intra-doc/basic.rs index e2d3ef425cb..96e21137b2d 100644 --- a/tests/rustdoc/intra-doc/basic.rs +++ b/tests/rustdoc/intra-doc/basic.rs @@ -2,7 +2,9 @@ // @has - '//a/@href' 'struct.ThisType.html' // @has - '//a/@title' 'struct basic::ThisType' // @has - '//a/@href' 'struct.ThisType.html#method.this_method' -// @has - '//a/@title' 'associated function basic::ThisType::this_method' +// @has - '//a/@title' 'method basic::ThisType::this_method' +// @has - '//a/@href' 'struct.ThisType.html#method.this_assoc_fn' +// @has - '//a/@title' 'associated function basic::ThisType::this_assoc_fn' // @has - '//a/@href' 'enum.ThisEnum.html' // @has - '//a/@title' 'enum basic::ThisEnum' // @has - '//a/@href' 'enum.ThisEnum.html#variant.ThisVariant' @@ -10,7 +12,9 @@ // @has - '//a/@href' 'trait.ThisTrait.html' // @has - '//a/@title' 'trait basic::ThisTrait' // @has - '//a/@href' 'trait.ThisTrait.html#tymethod.this_associated_method' -// @has - '//a/@title' 'associated function basic::ThisTrait::this_associated_method' +// @has - '//a/@title' 'method basic::ThisTrait::this_associated_method' +// @has - '//a/@href' 'trait.ThisTrait.html#tymethod.this_associated_fn' +// @has - '//a/@title' 'associated function basic::ThisTrait::this_associated_fn' // @has - '//a/@href' 'trait.ThisTrait.html#associatedtype.ThisAssociatedType' // @has - '//a/@title' 'associated type basic::ThisTrait::ThisAssociatedType' // @has - '//a/@href' 'trait.ThisTrait.html#associatedconstant.THIS_ASSOCIATED_CONST' @@ -37,11 +41,13 @@ //! //! * [`ThisType`](ThisType) //! * [`ThisType::this_method`](ThisType::this_method) +//! * [`ThisType::this_assoc_fn`](ThisType::this_assoc_fn) //! * [`ThisEnum`](ThisEnum) //! * [`ThisEnum::ThisVariant`](ThisEnum::ThisVariant) //! * [`ThisEnum::ThisVariantCtor`](ThisEnum::ThisVariantCtor) //! * [`ThisTrait`](ThisTrait) //! * [`ThisTrait::this_associated_method`](ThisTrait::this_associated_method) +//! * [`ThisTrait::this_associated_fn`](ThisTrait::this_associated_fn) //! * [`ThisTrait::ThisAssociatedType`](ThisTrait::ThisAssociatedType) //! * [`ThisTrait::THIS_ASSOCIATED_CONST`](ThisTrait::THIS_ASSOCIATED_CONST) //! * [`ThisAlias`](ThisAlias) @@ -68,13 +74,15 @@ macro_rules! this_macro { pub struct ThisType; impl ThisType { - pub fn this_method() {} + pub fn this_assoc_fn() {} + pub fn this_method(self) {} } pub enum ThisEnum { ThisVariant, ThisVariantCtor(u32), } pub trait ThisTrait { type ThisAssociatedType; const THIS_ASSOCIATED_CONST: u8; - fn this_associated_method(); + fn this_associated_fn(); + fn this_associated_method(&self); } pub type ThisAlias = Result<(), ()>; pub union ThisUnion { this_field: usize, } diff --git a/tests/rustdoc/issue-107995.rs b/tests/rustdoc/issue-107995.rs new file mode 100644 index 00000000000..1273e4fdd12 --- /dev/null +++ b/tests/rustdoc/issue-107995.rs @@ -0,0 +1,28 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/107995>. + +#![crate_name = "foo"] + +// @has 'foo/fn.foo.html' +// @has - '//*[@class="docblock"]//a[@href="fn.bar.html"]' 'bar`' +/// A foo, see also [ bar`] +pub fn foo() {} + +// @has 'foo/fn.bar.html' +// @has - '//*[@class="docblock"]' 'line Path line' +// @has - '//*[@class="docblock"]//a[@href="struct.Path.html"]' 'Path' +#[doc = "line ["] +#[doc = "Path"] +#[doc = "] line"] +pub fn bar() {} + +// @has 'foo/fn.another.html' +// @has - '//*[@class="docblock"]//a[@href="struct.Path.html"]' 'Path' +/// [ `Path`] +pub fn another() {} + +// @has 'foo/fn.last.html' +// @has - '//*[@class="docblock"]//a[@href="struct.Path.html"]' 'Path' +/// [ Path`] +pub fn last() {} + +pub struct Path; diff --git a/tests/rustdoc/issue-108231.rs b/tests/rustdoc/issue-108231.rs new file mode 100644 index 00000000000..684f0494fd5 --- /dev/null +++ b/tests/rustdoc/issue-108231.rs @@ -0,0 +1,23 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/108231>. +// Macros with `#[macro_export]` attribute should be visible at the top level +// even if they are inside a doc hidden item. + +#![crate_name = "foo"] + +// @has 'foo/index.html' +// @count - '//*[@id="main-content"]//a[@class="macro"]' 1 +// @has - '//*[@id="main-content"]//a[@class="macro"]' 'foo' + +#[doc(hidden)] +pub mod __internal { + /// This one should be visible. + #[macro_export] + macro_rules! foo { + () => {}; + } + + /// This one should be hidden. + macro_rules! bar { + () => {}; + } +} diff --git a/tests/rustdoc/issue-108281.rs b/tests/rustdoc/issue-108281.rs new file mode 100644 index 00000000000..8e1b6ba88a6 --- /dev/null +++ b/tests/rustdoc/issue-108281.rs @@ -0,0 +1,25 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/108281>. +// It ensures that the attributes on the first reexport are not duplicated. + +#![crate_name = "foo"] + +// @has 'foo/index.html' + +#[doc(hidden)] +pub fn bar() {} +mod sub { + pub fn public() {} +} + +// @matches - '//*[@class="desc docblock-short"]' '^Displayed$' +/// Displayed +#[doc(inline)] +pub use crate::bar as Bar; +// @matches - '//*[@class="desc docblock-short"]' '^Hello\sDisplayed$' +#[doc(inline)] +/// Hello +pub use crate::Bar as Bar2; + +// @matches - '//*[@class="desc docblock-short"]' '^Public$' +/// Public +pub use crate::sub::public as Public; diff --git a/tests/rustdoc/issue-32374.rs b/tests/rustdoc/issue-32374.rs index 1153a745b0b..985bf03a121 100644 --- a/tests/rustdoc/issue-32374.rs +++ b/tests/rustdoc/issue-32374.rs @@ -2,11 +2,11 @@ #![doc(issue_tracker_base_url = "https://issue_url/")] #![unstable(feature = "test", issue = "32374")] -// @matches issue_32374/index.html '//*[@class="item-left"]/span[@class="stab deprecated"]' \ +// @matches issue_32374/index.html '//*[@class="item-name"]/span[@class="stab deprecated"]' \ // 'Deprecated' -// @matches issue_32374/index.html '//*[@class="item-left"]/span[@class="stab unstable"]' \ +// @matches issue_32374/index.html '//*[@class="item-name"]/span[@class="stab unstable"]' \ // 'Experimental' -// @matches issue_32374/index.html '//*[@class="item-right docblock-short"]/text()' 'Docs' +// @matches issue_32374/index.html '//*[@class="desc docblock-short"]/text()' 'Docs' // @has issue_32374/struct.T.html '//*[@class="stab deprecated"]/span' '👎' // @has issue_32374/struct.T.html '//*[@class="stab deprecated"]/span' \ diff --git a/tests/rustdoc/issue-46377.rs b/tests/rustdoc/issue-46377.rs index 4489f038c59..1311b4721e2 100644 --- a/tests/rustdoc/issue-46377.rs +++ b/tests/rustdoc/issue-46377.rs @@ -1,3 +1,3 @@ -// @has 'issue_46377/index.html' '//*[@class="item-right docblock-short"]' 'Check out this struct!' +// @has 'issue_46377/index.html' '//*[@class="desc docblock-short"]' 'Check out this struct!' /// # Check out this struct! pub struct SomeStruct; diff --git a/tests/rustdoc/issue-55364.rs b/tests/rustdoc/issue-55364.rs index b987da30ed2..941cb3ce1ca 100644 --- a/tests/rustdoc/issue-55364.rs +++ b/tests/rustdoc/issue-55364.rs @@ -29,8 +29,8 @@ pub mod subone { // @has - '//section[@id="main-content"]/details/div[@class="docblock"]//a[@href="../fn.foo.html"]' 'foo' // @has - '//section[@id="main-content"]/details/div[@class="docblock"]//a[@href="../fn.bar.html"]' 'bar' // Though there should be such links later -// @has - '//section[@id="main-content"]/div[@class="item-table"]//div[@class="item-left"]/a[@class="fn"][@href="fn.foo.html"]' 'foo' -// @has - '//section[@id="main-content"]/div[@class="item-table"]//div[@class="item-left"]/a[@class="fn"][@href="fn.bar.html"]' 'bar' +// @has - '//section[@id="main-content"]/ul[@class="item-table"]//div[@class="item-name"]/a[@class="fn"][@href="fn.foo.html"]' 'foo' +// @has - '//section[@id="main-content"]/ul[@class="item-table"]//div[@class="item-name"]/a[@class="fn"][@href="fn.bar.html"]' 'bar' /// See either [foo] or [bar]. pub mod subtwo { @@ -68,8 +68,8 @@ pub mod subthree { // Next we go *deeper* - In order to ensure it's not just "this or parent" // we test `crate::` and a `super::super::...` chain // @has issue_55364/subfour/subfive/subsix/subseven/subeight/index.html -// @has - '//section[@id="main-content"]/div[@class="item-table"]//div[@class="item-right docblock-short"]//a[@href="../../../../../subone/fn.foo.html"]' 'other foo' -// @has - '//section[@id="main-content"]/div[@class="item-table"]//div[@class="item-right docblock-short"]//a[@href="../../../../../subtwo/fn.bar.html"]' 'other bar' +// @has - '//section[@id="main-content"]/ul[@class="item-table"]//div[@class="desc docblock-short"]//a[@href="../../../../../subone/fn.foo.html"]' 'other foo' +// @has - '//section[@id="main-content"]/ul[@class="item-table"]//div[@class="desc docblock-short"]//a[@href="../../../../../subtwo/fn.bar.html"]' 'other bar' pub mod subfour { pub mod subfive { pub mod subsix { diff --git a/tests/rustdoc/issue-95873.rs b/tests/rustdoc/issue-95873.rs index 3df93eb7cf1..83f1f2f75bf 100644 --- a/tests/rustdoc/issue-95873.rs +++ b/tests/rustdoc/issue-95873.rs @@ -1,2 +1,2 @@ -// @has issue_95873/index.html "//*[@class='item-left']" "pub use ::std as x;" +// @has issue_95873/index.html "//*[@class='item-name']" "pub use ::std as x;" pub use ::std as x; diff --git a/tests/rustdoc/reexport-check.rs b/tests/rustdoc/reexport-check.rs index 94fa0338532..5908d2150f2 100644 --- a/tests/rustdoc/reexport-check.rs +++ b/tests/rustdoc/reexport-check.rs @@ -8,13 +8,13 @@ extern crate reexport_check; #[allow(deprecated, deprecated_in_future)] pub use std::i32; // @!has 'foo/index.html' '//code' 'pub use self::string::String;' -// @has 'foo/index.html' '//div[@class="item-left"]' 'String' +// @has 'foo/index.html' '//div[@class="item-name"]' 'String' pub use std::string::String; // i32 is deprecated, String is not // @count 'foo/index.html' '//span[@class="stab deprecated"]' 1 -// @has 'foo/index.html' '//div[@class="item-right docblock-short"]' 'Docs in original' +// @has 'foo/index.html' '//div[@class="desc docblock-short"]' 'Docs in original' // this is a no-op, but shows what happens if there's an attribute that isn't a doc-comment #[doc(inline)] pub use reexport_check::S; diff --git a/tests/rustdoc/reexport-hidden-macro.rs b/tests/rustdoc/reexport-hidden-macro.rs new file mode 100644 index 00000000000..afcfa979616 --- /dev/null +++ b/tests/rustdoc/reexport-hidden-macro.rs @@ -0,0 +1,22 @@ +// Ensure that inlined reexport of hidden macros is working as expected. +// Part of <https://github.com/rust-lang/rust/issues/59368>. + +#![crate_name = "foo"] + +// @has 'foo/index.html' +// @has - '//*[@id="main-content"]//a[@href="macro.Macro2.html"]' 'Macro2' + +// @has 'foo/macro.Macro2.html' +// @has - '//*[@class="docblock"]' 'Displayed' + +#[macro_export] +#[doc(hidden)] +macro_rules! foo { + () => {}; +} + +/// not displayed +pub use crate::foo as Macro; +/// Displayed +#[doc(inline)] +pub use crate::foo as Macro2; diff --git a/tests/rustdoc/reexports-of-same-name.rs b/tests/rustdoc/reexports-of-same-name.rs new file mode 100644 index 00000000000..fe6f1b38ca6 --- /dev/null +++ b/tests/rustdoc/reexports-of-same-name.rs @@ -0,0 +1,26 @@ +// This test ensures that there are 4 imports as expected: +// * 2 for `Foo` +// * 2 for `Bar` + +#![crate_name = "foo"] + +// @has 'foo/index.html' + +pub mod nested { + /// Foo the struct + pub struct Foo {} + + #[allow(non_snake_case)] + /// Foo the function + pub fn Foo() {} +} + +// @count - '//*[@id="main-content"]//code' 'pub use nested::Foo;' 2 +// @has - '//*[@id="reexport.Foo"]//a[@href="nested/struct.Foo.html"]' 'Foo' +// @has - '//*[@id="reexport.Foo-1"]//a[@href="nested/fn.Foo.html"]' 'Foo' +pub use nested::Foo; + +// @count - '//*[@id="main-content"]//code' 'pub use Foo as Bar;' 2 +// @has - '//*[@id="reexport.Bar"]//a[@href="nested/struct.Foo.html"]' 'Foo' +// @has - '//*[@id="reexport.Bar-1"]//a[@href="nested/fn.Foo.html"]' 'Foo' +pub use Foo as Bar; diff --git a/tests/rustdoc/short-docblock-codeblock.rs b/tests/rustdoc/short-docblock-codeblock.rs index 3c5fa7b36ad..7ecd80b8c72 100644 --- a/tests/rustdoc/short-docblock-codeblock.rs +++ b/tests/rustdoc/short-docblock-codeblock.rs @@ -1,6 +1,6 @@ #![crate_name = "foo"] -// @count foo/index.html '//*[@class="item-right docblock-short"]' 0 +// @count foo/index.html '//*[@class="desc docblock-short"]' 0 /// ``` /// let x = 12; diff --git a/tests/rustdoc/short-docblock.rs b/tests/rustdoc/short-docblock.rs index 1a8a689be1d..791d3547c9f 100644 --- a/tests/rustdoc/short-docblock.rs +++ b/tests/rustdoc/short-docblock.rs @@ -1,7 +1,7 @@ #![crate_name = "foo"] -// @has foo/index.html '//*[@class="item-right docblock-short"]' 'fooo' -// @!has foo/index.html '//*[@class="item-right docblock-short"]/h1' 'fooo' +// @has foo/index.html '//*[@class="desc docblock-short"]' 'fooo' +// @!has foo/index.html '//*[@class="desc docblock-short"]/h1' 'fooo' // @has foo/fn.foo.html '//h2[@id="fooo"]/a[@href="#fooo"]' 'fooo' /// # fooo @@ -9,8 +9,8 @@ /// foo pub fn foo() {} -// @has foo/index.html '//*[@class="item-right docblock-short"]' 'mooood' -// @!has foo/index.html '//*[@class="item-right docblock-short"]/h2' 'mooood' +// @has foo/index.html '//*[@class="desc docblock-short"]' 'mooood' +// @!has foo/index.html '//*[@class="desc docblock-short"]/h2' 'mooood' // @has foo/foo/index.html '//h3[@id="mooood"]/a[@href="#mooood"]' 'mooood' /// ## mooood @@ -18,7 +18,7 @@ pub fn foo() {} /// foo mod pub mod foo {} -// @has foo/index.html '//*[@class="item-right docblock-short"]/a[@href=\ +// @has foo/index.html '//*[@class="desc docblock-short"]/a[@href=\ // "https://nougat.world"]/code' 'nougat' /// [`nougat`](https://nougat.world) diff --git a/tests/ui-fulldeps/fluent-messages/duplicate.ftl b/tests/ui-fulldeps/fluent-messages/duplicate.ftl new file mode 100644 index 00000000000..871550b231a --- /dev/null +++ b/tests/ui-fulldeps/fluent-messages/duplicate.ftl @@ -0,0 +1,3 @@ +no_crate_a_b_key = Value + +no_crate_a_b_key = Another Value diff --git a/tests/ui-fulldeps/fluent-messages/label-with-hyphens.ftl b/tests/ui-fulldeps/fluent-messages/label-with-hyphens.ftl index 016cbeef662..3088b1f8dc8 100644 --- a/tests/ui-fulldeps/fluent-messages/label-with-hyphens.ftl +++ b/tests/ui-fulldeps/fluent-messages/label-with-hyphens.ftl @@ -1,2 +1,2 @@ -label_with_hyphens_some_slug = hi +no_crate_some_slug = hi .label-has-hyphens = test diff --git a/tests/ui-fulldeps/fluent-messages/missing-crate-name.ftl b/tests/ui-fulldeps/fluent-messages/missing-crate-name.ftl index 9bd035c1bba..0a64e3894bd 100644 --- a/tests/ui-fulldeps/fluent-messages/missing-crate-name.ftl +++ b/tests/ui-fulldeps/fluent-messages/missing-crate-name.ftl @@ -1,2 +1,2 @@ with-hyphens = 1234 -test-crate_foo = abcd +no-crate_foo = abcd diff --git a/tests/ui-fulldeps/fluent-messages/missing-message-ref.ftl b/tests/ui-fulldeps/fluent-messages/missing-message-ref.ftl index 0cd8229b230..4c6514a9770 100644 --- a/tests/ui-fulldeps/fluent-messages/missing-message-ref.ftl +++ b/tests/ui-fulldeps/fluent-messages/missing-message-ref.ftl @@ -1 +1 @@ -missing_message_ref = {message} +no_crate_missing_message_ref = {message} diff --git a/tests/ui-fulldeps/fluent-messages/missing-message.ftl b/tests/ui-fulldeps/fluent-messages/missing-message.ftl index 74b2aa1d44d..61f56fd4d57 100644 --- a/tests/ui-fulldeps/fluent-messages/missing-message.ftl +++ b/tests/ui-fulldeps/fluent-messages/missing-message.ftl @@ -1 +1 @@ -missing_message = +no_crate_missing_message = diff --git a/tests/ui-fulldeps/fluent-messages/slug-with-hyphens.ftl b/tests/ui-fulldeps/fluent-messages/slug-with-hyphens.ftl index 86ba9a268f3..a64c85094f1 100644 --- a/tests/ui-fulldeps/fluent-messages/slug-with-hyphens.ftl +++ b/tests/ui-fulldeps/fluent-messages/slug-with-hyphens.ftl @@ -1 +1 @@ -slug_with_hyphens_this-slug-has-hyphens = hi +no_crate_this-slug-has-hyphens = hi diff --git a/tests/ui-fulldeps/fluent-messages/test.rs b/tests/ui-fulldeps/fluent-messages/test.rs index 74303e97dba..66575eb8e30 100644 --- a/tests/ui-fulldeps/fluent-messages/test.rs +++ b/tests/ui-fulldeps/fluent-messages/test.rs @@ -21,87 +21,74 @@ pub enum SubdiagnosticMessage { mod missing_absolute { use super::fluent_messages; - fluent_messages! { - missing_absolute => "/definitely_does_not_exist.ftl", -//~^ ERROR could not open Fluent resource - } + fluent_messages! { "/definitely_does_not_exist.ftl" } + //~^ ERROR could not open Fluent resource } mod missing_relative { use super::fluent_messages; - fluent_messages! { - missing_relative => "../definitely_does_not_exist.ftl", -//~^ ERROR could not open Fluent resource - } + fluent_messages! { "../definitely_does_not_exist.ftl" } + //~^ ERROR could not open Fluent resource } mod missing_message { use super::fluent_messages; - fluent_messages! { - missing_message => "./missing-message.ftl", -//~^ ERROR could not parse Fluent resource - } + fluent_messages! { "./missing-message.ftl" } + //~^ ERROR could not parse Fluent resource } mod duplicate { use super::fluent_messages; - fluent_messages! { -//~^ ERROR the name `a_b_key` is defined multiple times - a => "./duplicate-a.ftl", - a_b => "./duplicate-a-b.ftl", -//~^ ERROR overrides existing message: `a_b_key` - } + fluent_messages! { "./duplicate.ftl" } + //~^ ERROR overrides existing message: `no_crate_a_b_key` } mod slug_with_hyphens { use super::fluent_messages; - fluent_messages! { - slug_with_hyphens => "./slug-with-hyphens.ftl", -//~^ ERROR name `slug_with_hyphens_this-slug-has-hyphens` contains a '-' character - } + fluent_messages! { "./slug-with-hyphens.ftl" } + //~^ ERROR name `no_crate_this-slug-has-hyphens` contains a '-' character } mod label_with_hyphens { use super::fluent_messages; - fluent_messages! { - label_with_hyphens => "./label-with-hyphens.ftl", -//~^ ERROR attribute `label-has-hyphens` contains a '-' character - } + fluent_messages! { "./label-with-hyphens.ftl" } + //~^ ERROR attribute `label-has-hyphens` contains a '-' character } mod valid { use super::fluent_messages; - fluent_messages! { - valid => "./valid.ftl", - } + fluent_messages! { "./valid.ftl" } - use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, valid_key}; + mod test_generated { + use super::{fluent_generated::no_crate_key, DEFAULT_LOCALE_RESOURCE}; + } } mod missing_crate_name { use super::fluent_messages; - fluent_messages! { - test_crate => "./missing-crate-name.ftl", -//~^ ERROR name `test-crate_foo` contains a '-' character -//~| ERROR name `with-hyphens` contains a '-' character -//~| ERROR name `with-hyphens` does not start with the crate name - } + fluent_messages! { "./missing-crate-name.ftl" } + //~^ ERROR name `no-crate_foo` contains a '-' character + //~| ERROR name `with-hyphens` contains a '-' character + //~| ERROR name `with-hyphens` does not start with the crate name - use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, test_crate_foo, with_hyphens}; + mod test_generated { + use super::{ + fluent_generated::{no_crate_foo, with_hyphens}, + DEFAULT_LOCALE_RESOURCE, + }; + } } mod missing_message_ref { use super::fluent_messages; - fluent_messages! { - missing => "./missing-message-ref.ftl" -//~^ ERROR referenced message `message` does not exist - } + fluent_messages! { "./missing-message-ref.ftl" } + //~^ ERROR referenced message `message` does not exist } diff --git a/tests/ui-fulldeps/fluent-messages/test.stderr b/tests/ui-fulldeps/fluent-messages/test.stderr index 2631b0a6232..c7961ed22f2 100644 --- a/tests/ui-fulldeps/fluent-messages/test.stderr +++ b/tests/ui-fulldeps/fluent-messages/test.stderr @@ -1,106 +1,87 @@ error: could not open Fluent resource - --> $DIR/test.rs:25:29 + --> $DIR/test.rs:24:24 | -LL | missing_absolute => "/definitely_does_not_exist.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "/definitely_does_not_exist.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: os-specific message error: could not open Fluent resource - --> $DIR/test.rs:34:29 + --> $DIR/test.rs:31:24 | -LL | missing_relative => "../definitely_does_not_exist.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "../definitely_does_not_exist.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: os-specific message error: could not parse Fluent resource - --> $DIR/test.rs:43:28 + --> $DIR/test.rs:38:24 | -LL | missing_message => "./missing-message.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./missing-message.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^ | = help: see additional errors emitted -error: expected a message field for "missing_message" +error: expected a message field for "no_crate_missing_message" --> ./missing-message.ftl:1:1 | -1 | missing_message = - | ^^^^^^^^^^^^^^^^^ +1 | no_crate_missing_message = + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | -error: overrides existing message: `a_b_key` - --> $DIR/test.rs:54:16 +error: overrides existing message: `no_crate_a_b_key` + --> $DIR/test.rs:45:24 | -LL | a_b => "./duplicate-a-b.ftl", - | ^^^^^^^^^^^^^^^^^^^^^ - | -help: previously defined in this resource - --> $DIR/test.rs:53:14 - | -LL | a => "./duplicate-a.ftl", - | ^^^^^^^^^^^^^^^^^^^ - -error[E0428]: the name `a_b_key` is defined multiple times - --> $DIR/test.rs:51:5 - | -LL | fluent_messages! { - | ^^^^^^^^^^^^^^^^ - | | - | `a_b_key` redefined here - | previous definition of the value `a_b_key` here - | - = note: os-specific message - = note: os-specific message +LL | fluent_messages! { "./duplicate.ftl" } + | ^^^^^^^^^^^^^^^^^ -error: name `slug_with_hyphens_this-slug-has-hyphens` contains a '-' character - --> $DIR/test.rs:63:30 +error: name `no_crate_this-slug-has-hyphens` contains a '-' character + --> $DIR/test.rs:52:24 | -LL | slug_with_hyphens => "./slug-with-hyphens.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./slug-with-hyphens.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: replace any '-'s with '_'s error: attribute `label-has-hyphens` contains a '-' character - --> $DIR/test.rs:72:31 + --> $DIR/test.rs:59:24 | -LL | label_with_hyphens => "./label-with-hyphens.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./label-with-hyphens.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: replace any '-'s with '_'s error: name `with-hyphens` contains a '-' character - --> $DIR/test.rs:91:23 + --> $DIR/test.rs:76:24 | -LL | test_crate => "./missing-crate-name.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./missing-crate-name.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: replace any '-'s with '_'s error: name `with-hyphens` does not start with the crate name - --> $DIR/test.rs:91:23 + --> $DIR/test.rs:76:24 | -LL | test_crate => "./missing-crate-name.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./missing-crate-name.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: prepend `test_crate_` to the slug name: `test_crate_with_hyphens` + = help: prepend `no_crate_` to the slug name: `no_crate_with_hyphens` -error: name `test-crate_foo` contains a '-' character - --> $DIR/test.rs:91:23 +error: name `no-crate_foo` contains a '-' character + --> $DIR/test.rs:76:24 | -LL | test_crate => "./missing-crate-name.ftl", - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./missing-crate-name.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: replace any '-'s with '_'s -error: referenced message `message` does not exist (in message `missing_message_ref`) - --> $DIR/test.rs:104:20 +error: referenced message `message` does not exist (in message `no_crate_missing_message_ref`) + --> $DIR/test.rs:92:24 | -LL | missing => "./missing-message-ref.ftl" - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fluent_messages! { "./missing-message-ref.ftl" } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: you may have meant to use a variable reference (`{$message}`) -error: aborting due to 11 previous errors +error: aborting due to 10 previous errors -For more information about this error, try `rustc --explain E0428`. diff --git a/tests/ui-fulldeps/fluent-messages/valid.ftl b/tests/ui-fulldeps/fluent-messages/valid.ftl index 54927430600..598473adb68 100644 --- a/tests/ui-fulldeps/fluent-messages/valid.ftl +++ b/tests/ui-fulldeps/fluent-messages/valid.ftl @@ -1 +1 @@ -valid_key = Valid! +no_crate_key = Valid! diff --git a/compiler/rustc_error_messages/locales/en-US/compiletest.ftl b/tests/ui-fulldeps/internal-lints/diagnostics.ftl index 55061fbce7e..cb2d476d815 100644 --- a/compiler/rustc_error_messages/locales/en-US/compiletest.ftl +++ b/tests/ui-fulldeps/internal-lints/diagnostics.ftl @@ -1,4 +1,4 @@ -compiletest_example = this is an example message used in testing +no_crate_example = this is an example message used in testing .note = with a note .help = with a help .suggestion = with a suggestion diff --git a/tests/ui-fulldeps/internal-lints/diagnostics.rs b/tests/ui-fulldeps/internal-lints/diagnostics.rs index 643e81d99c6..3aa65d53d4e 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics.rs +++ b/tests/ui-fulldeps/internal-lints/diagnostics.rs @@ -13,20 +13,22 @@ extern crate rustc_span; use rustc_errors::{ AddToDiagnostic, IntoDiagnostic, Diagnostic, DiagnosticBuilder, - ErrorGuaranteed, Handler, fluent, SubdiagnosticMessage, + ErrorGuaranteed, Handler, DiagnosticMessage, SubdiagnosticMessage, }; -use rustc_macros::{Diagnostic, Subdiagnostic}; +use rustc_macros::{fluent_messages, Diagnostic, Subdiagnostic}; use rustc_span::Span; +fluent_messages! { "./diagnostics.ftl" } + #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct DeriveDiagnostic { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[note(compiletest_example)] +#[note(no_crate_example)] struct Note { #[primary_span] span: Span, @@ -45,7 +47,7 @@ pub struct TranslatableInIntoDiagnostic; impl<'a> IntoDiagnostic<'a, ErrorGuaranteed> for TranslatableInIntoDiagnostic { fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> { - handler.struct_err(fluent::compiletest_example) + handler.struct_err(crate::fluent_generated::no_crate_example) } } @@ -68,12 +70,12 @@ impl AddToDiagnostic for TranslatableInAddToDiagnostic { where F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, { - diag.note(fluent::note); + diag.note(crate::fluent_generated::no_crate_note); } } pub fn make_diagnostics<'a>(handler: &'a Handler) { - let _diag = handler.struct_err(fluent::compiletest_example); + let _diag = handler.struct_err(crate::fluent_generated::no_crate_example); //~^ ERROR diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls let _diag = handler.struct_err("untranslatable diagnostic"); diff --git a/tests/ui-fulldeps/internal-lints/diagnostics.stderr b/tests/ui-fulldeps/internal-lints/diagnostics.stderr index 510d6a17108..6f797ebc2dd 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics.stderr +++ b/tests/ui-fulldeps/internal-lints/diagnostics.stderr @@ -1,5 +1,5 @@ error: diagnostics should be created using translatable messages - --> $DIR/diagnostics.rs:39:17 + --> $DIR/diagnostics.rs:41:17 | LL | handler.struct_err("untranslatable diagnostic") | ^^^^^^^^^^ @@ -11,15 +11,15 @@ LL | #![deny(rustc::untranslatable_diagnostic)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostics should be created using translatable messages - --> $DIR/diagnostics.rs:59:14 + --> $DIR/diagnostics.rs:61:14 | LL | diag.note("untranslatable diagnostic"); | ^^^^ error: diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls - --> $DIR/diagnostics.rs:76:25 + --> $DIR/diagnostics.rs:78:25 | -LL | let _diag = handler.struct_err(fluent::compiletest_example); +LL | let _diag = handler.struct_err(crate::fluent_generated::no_crate_example); | ^^^^^^^^^^ | note: the lint level is defined here @@ -29,13 +29,13 @@ LL | #![deny(rustc::diagnostic_outside_of_impl)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls - --> $DIR/diagnostics.rs:79:25 + --> $DIR/diagnostics.rs:81:25 | LL | let _diag = handler.struct_err("untranslatable diagnostic"); | ^^^^^^^^^^ error: diagnostics should be created using translatable messages - --> $DIR/diagnostics.rs:79:25 + --> $DIR/diagnostics.rs:81:25 | LL | let _diag = handler.struct_err("untranslatable diagnostic"); | ^^^^^^^^^^ diff --git a/tests/ui-fulldeps/mod_dir_path_canonicalized.rs b/tests/ui-fulldeps/mod_dir_path_canonicalized.rs index bdfd9628c48..ddc86c1dc31 100644 --- a/tests/ui-fulldeps/mod_dir_path_canonicalized.rs +++ b/tests/ui-fulldeps/mod_dir_path_canonicalized.rs @@ -31,7 +31,10 @@ pub fn main() { } fn parse() { - let parse_session = ParseSess::new(FilePathMapping::empty()); + let parse_session = ParseSess::new( + vec![rustc_parse::DEFAULT_LOCALE_RESOURCE], + FilePathMapping::empty() + ); let path = Path::new(file!()); let path = path.canonicalize().unwrap(); diff --git a/tests/ui-fulldeps/pprust-expr-roundtrip.rs b/tests/ui-fulldeps/pprust-expr-roundtrip.rs index 7a91dcf0dad..e417a6a833b 100644 --- a/tests/ui-fulldeps/pprust-expr-roundtrip.rs +++ b/tests/ui-fulldeps/pprust-expr-roundtrip.rs @@ -41,7 +41,7 @@ use rustc_session::parse::ParseSess; use rustc_span::source_map::FilePathMapping; use rustc_span::source_map::{FileName, Spanned, DUMMY_SP}; use rustc_span::symbol::Ident; -use thin_vec::thin_vec; +use thin_vec::{thin_vec, ThinVec}; fn parse_expr(ps: &ParseSess, src: &str) -> Option<P<Expr>> { let src_as_string = src.to_string(); @@ -76,17 +76,17 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) { for kind in 0..=19 { match kind { 0 => iter_exprs(depth - 1, &mut |e| g(ExprKind::Box(e))), - 1 => iter_exprs(depth - 1, &mut |e| g(ExprKind::Call(e, vec![]))), + 1 => iter_exprs(depth - 1, &mut |e| g(ExprKind::Call(e, thin_vec![]))), 2 => { let seg = PathSegment::from_ident(Ident::from_str("x")); iter_exprs(depth - 1, &mut |e| { g(ExprKind::MethodCall(Box::new(MethodCall { - seg: seg.clone(), receiver: e, args: vec![make_x()], span: DUMMY_SP + seg: seg.clone(), receiver: e, args: thin_vec![make_x()], span: DUMMY_SP })) )}); iter_exprs(depth - 1, &mut |e| { g(ExprKind::MethodCall(Box::new(MethodCall { - seg: seg.clone(), receiver: make_x(), args: vec![e], span: DUMMY_SP + seg: seg.clone(), receiver: make_x(), args: thin_vec![e], span: DUMMY_SP })) )}); } @@ -111,7 +111,7 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) { } 10 => { let block = P(Block { - stmts: Vec::new(), + stmts: ThinVec::new(), id: DUMMY_NODE_ID, rules: BlockCheckMode::Default, span: DUMMY_SP, @@ -121,7 +121,7 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) { iter_exprs(depth - 1, &mut |e| g(ExprKind::If(e, block.clone(), None))); } 11 => { - let decl = P(FnDecl { inputs: vec![], output: FnRetTy::Default(DUMMY_SP) }); + let decl = P(FnDecl { inputs: thin_vec![], output: FnRetTy::Default(DUMMY_SP) }); iter_exprs(depth - 1, &mut |e| { g(ExprKind::Closure(Box::new(Closure { binder: ClosureBinder::NotPresent, @@ -165,7 +165,7 @@ fn iter_exprs(depth: usize, f: &mut dyn FnMut(P<Expr>)) { g(ExprKind::Struct(P(StructExpr { qself: None, path, - fields: vec![], + fields: thin_vec![], rest: StructRest::Base(make_x()), }))); } @@ -220,7 +220,7 @@ fn main() { } fn run() { - let ps = ParseSess::new(FilePathMapping::empty()); + let ps = ParseSess::new(vec![rustc_parse::DEFAULT_LOCALE_RESOURCE], FilePathMapping::empty()); iter_exprs(2, &mut |mut e| { // If the pretty printer is correct, then `parse(print(e))` should be identical to `e`, diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs index 07f95d13937..01e6434b075 100644 --- a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs +++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs @@ -17,26 +17,28 @@ use rustc_span::symbol::Ident; use rustc_span::Span; extern crate rustc_macros; -use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; +use rustc_macros::{fluent_messages, Diagnostic, LintDiagnostic, Subdiagnostic}; extern crate rustc_middle; use rustc_middle::ty::Ty; extern crate rustc_errors; -use rustc_errors::{Applicability, MultiSpan}; +use rustc_errors::{Applicability, DiagnosticMessage, MultiSpan, SubdiagnosticMessage}; extern crate rustc_session; +fluent_messages! { "./example.ftl" } + #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct Hello {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct HelloWarn {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] //~^ ERROR unsupported type attribute for diagnostic derive enum enum DiagnosticOnEnum { Foo, @@ -46,13 +48,13 @@ enum DiagnosticOnEnum { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] #[diag = "E0123"] //~^ ERROR `#[diag = ...]` is not a valid attribute struct WrongStructAttrStyle {} #[derive(Diagnostic)] -#[nonsense(compiletest_example, code = "E0123")] +#[nonsense(no_crate_example, code = "E0123")] //~^ ERROR `#[nonsense(...)]` is not a valid attribute //~^^ ERROR diagnostic slug not specified //~^^^ ERROR cannot find attribute `nonsense` in this scope @@ -66,7 +68,7 @@ struct InvalidLitNestedAttr {} #[derive(Diagnostic)] #[diag(nonsense, code = "E0123")] -//~^ ERROR cannot find value `nonsense` in module `rustc_errors::fluent` +//~^ ERROR cannot find value `nonsense` in module `crate::fluent_generated` struct InvalidNestedStructAttr {} #[derive(Diagnostic)] @@ -90,12 +92,12 @@ struct InvalidNestedStructAttr2 {} struct InvalidNestedStructAttr3 {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123", slug = "foo")] +#[diag(no_crate_example, code = "E0123", slug = "foo")] //~^ ERROR `#[diag(slug = ...)]` is not a valid attribute struct InvalidNestedStructAttr4 {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct WrongPlaceField { #[suggestion = "bar"] //~^ ERROR `#[suggestion = ...]` is not a valid attribute @@ -103,20 +105,20 @@ struct WrongPlaceField { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] -#[diag(compiletest_example, code = "E0456")] +#[diag(no_crate_example, code = "E0123")] +#[diag(no_crate_example, code = "E0456")] //~^ ERROR specified multiple times //~^^ ERROR specified multiple times struct DiagSpecifiedTwice {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0456", code = "E0457")] +#[diag(no_crate_example, code = "E0456", code = "E0457")] //~^ ERROR specified multiple times struct CodeSpecifiedTwice {} #[derive(Diagnostic)] -#[diag(compiletest_example, compiletest_example, code = "E0456")] -//~^ ERROR `#[diag(compiletest_example)]` is not a valid attribute +#[diag(no_crate_example, no_crate::example, code = "E0456")] +//~^ ERROR `#[diag(no_crate::example)]` is not a valid attribute struct SlugSpecifiedTwice {} #[derive(Diagnostic)] @@ -128,11 +130,11 @@ struct KindNotProvided {} //~ ERROR diagnostic slug not specified struct SlugNotProvided {} #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct CodeNotProvided {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct MessageWrongType { #[primary_span] //~^ ERROR `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan` @@ -140,7 +142,7 @@ struct MessageWrongType { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct InvalidPathFieldAttr { #[nonsense] //~^ ERROR `#[nonsense]` is not a valid attribute @@ -149,34 +151,34 @@ struct InvalidPathFieldAttr { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithField { name: String, - #[label(label)] + #[label(no_crate_label)] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithMessageAppliedToField { - #[label(label)] + #[label(no_crate_label)] //~^ ERROR the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` name: String, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithNonexistentField { - #[suggestion(suggestion, code = "{name}")] + #[suggestion(no_crate_suggestion, code = "{name}")] //~^ ERROR `name` doesn't refer to a field on this type suggestion: (Span, Applicability), } #[derive(Diagnostic)] //~^ ERROR invalid format string: expected `'}'` -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorMissingClosingBrace { - #[suggestion(suggestion, code = "{name")] + #[suggestion(no_crate_suggestion, code = "{name")] suggestion: (Span, Applicability), name: String, val: usize, @@ -184,50 +186,50 @@ struct ErrorMissingClosingBrace { #[derive(Diagnostic)] //~^ ERROR invalid format string: unmatched `}` -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorMissingOpeningBrace { - #[suggestion(suggestion, code = "name}")] + #[suggestion(no_crate_suggestion, code = "name}")] suggestion: (Span, Applicability), name: String, val: usize, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct LabelOnSpan { - #[label(label)] + #[label(no_crate_label)] sp: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct LabelOnNonSpan { - #[label(label)] + #[label(no_crate_label)] //~^ ERROR the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` id: u32, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct Suggest { - #[suggestion(suggestion, code = "This is the suggested code")] - #[suggestion(suggestion, code = "This is the suggested code", style = "normal")] - #[suggestion(suggestion, code = "This is the suggested code", style = "short")] - #[suggestion(suggestion, code = "This is the suggested code", style = "hidden")] - #[suggestion(suggestion, code = "This is the suggested code", style = "verbose")] + #[suggestion(no_crate_suggestion, code = "This is the suggested code")] + #[suggestion(no_crate_suggestion, code = "This is the suggested code", style = "normal")] + #[suggestion(no_crate_suggestion, code = "This is the suggested code", style = "short")] + #[suggestion(no_crate_suggestion, code = "This is the suggested code", style = "hidden")] + #[suggestion(no_crate_suggestion, code = "This is the suggested code", style = "verbose")] suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithoutCode { - #[suggestion(suggestion)] + #[suggestion(no_crate_suggestion)] //~^ ERROR suggestion without `code = "..."` suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithBadKey { #[suggestion(nonsense = "bar")] //~^ ERROR `#[suggestion(nonsense = ...)]` is not a valid attribute @@ -236,7 +238,7 @@ struct SuggestWithBadKey { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithShorthandMsg { #[suggestion(msg = "bar")] //~^ ERROR `#[suggestion(msg = ...)]` is not a valid attribute @@ -245,52 +247,52 @@ struct SuggestWithShorthandMsg { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithoutMsg { #[suggestion(code = "bar")] suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithTypesSwapped { - #[suggestion(suggestion, code = "This is suggested code")] + #[suggestion(no_crate_suggestion, code = "This is suggested code")] suggestion: (Applicability, Span), } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithWrongTypeApplicabilityOnly { - #[suggestion(suggestion, code = "This is suggested code")] + #[suggestion(no_crate_suggestion, code = "This is suggested code")] //~^ ERROR wrong field type for suggestion suggestion: Applicability, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithSpanOnly { - #[suggestion(suggestion, code = "This is suggested code")] + #[suggestion(no_crate_suggestion, code = "This is suggested code")] suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithDuplicateSpanAndApplicability { - #[suggestion(suggestion, code = "This is suggested code")] + #[suggestion(no_crate_suggestion, code = "This is suggested code")] suggestion: (Span, Span, Applicability), //~^ ERROR specified multiple times } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct SuggestWithDuplicateApplicabilityAndSpan { - #[suggestion(suggestion, code = "This is suggested code")] + #[suggestion(no_crate_suggestion, code = "This is suggested code")] suggestion: (Applicability, Applicability, Span), //~^ ERROR specified multiple times } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct WrongKindOfAnnotation { #[label = "bar"] //~^ ERROR `#[label = ...]` is not a valid attribute @@ -298,38 +300,38 @@ struct WrongKindOfAnnotation { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct OptionsInErrors { - #[label(label)] + #[label(no_crate_label)] label: Option<Span>, - #[suggestion(suggestion, code = "...")] + #[suggestion(no_crate_suggestion, code = "...")] opt_sugg: Option<(Span, Applicability)>, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0456")] +#[diag(no_crate_example, code = "E0456")] struct MoveOutOfBorrowError<'tcx> { name: Ident, ty: Ty<'tcx>, #[primary_span] - #[label(label)] + #[label(no_crate_label)] span: Span, - #[label(label)] + #[label(no_crate_label)] other_span: Span, - #[suggestion(suggestion, code = "{name}.clone()")] + #[suggestion(no_crate_suggestion, code = "{name}.clone()")] opt_sugg: Option<(Span, Applicability)>, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithLifetime<'a> { - #[label(label)] + #[label(no_crate_label)] span: Span, name: &'a str, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithDefaultLabelAttr<'a> { #[label] span: Span, @@ -338,7 +340,7 @@ struct ErrorWithDefaultLabelAttr<'a> { #[derive(Diagnostic)] //~^ ERROR the trait bound `Hello: IntoDiagnosticArg` is not satisfied -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ArgFieldWithoutSkip { #[primary_span] span: Span, @@ -346,7 +348,7 @@ struct ArgFieldWithoutSkip { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ArgFieldWithSkip { #[primary_span] span: Span, @@ -357,132 +359,132 @@ struct ArgFieldWithSkip { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithSpannedNote { #[note] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithSpannedNoteCustom { - #[note(note)] + #[note(no_crate_note)] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] #[note] struct ErrorWithNote { val: String, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] -#[note(note)] +#[diag(no_crate_example, code = "E0123")] +#[note(no_crate_note)] struct ErrorWithNoteCustom { val: String, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithSpannedHelp { #[help] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithSpannedHelpCustom { - #[help(help)] + #[help(no_crate_help)] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] #[help] struct ErrorWithHelp { val: String, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] -#[help(help)] +#[diag(no_crate_example, code = "E0123")] +#[help(no_crate_help)] struct ErrorWithHelpCustom { val: String, } #[derive(Diagnostic)] #[help] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithHelpWrongOrder { val: String, } #[derive(Diagnostic)] -#[help(help)] -#[diag(compiletest_example, code = "E0123")] +#[help(no_crate_help)] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithHelpCustomWrongOrder { val: String, } #[derive(Diagnostic)] #[note] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithNoteWrongOrder { val: String, } #[derive(Diagnostic)] -#[note(note)] -#[diag(compiletest_example, code = "E0123")] +#[note(no_crate_note)] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithNoteCustomWrongOrder { val: String, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ApplicabilityInBoth { - #[suggestion(suggestion, code = "...", applicability = "maybe-incorrect")] + #[suggestion(no_crate_suggestion, code = "...", applicability = "maybe-incorrect")] //~^ ERROR specified multiple times suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct InvalidApplicability { - #[suggestion(suggestion, code = "...", applicability = "batman")] + #[suggestion(no_crate_suggestion, code = "...", applicability = "batman")] //~^ ERROR invalid applicability suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ValidApplicability { - #[suggestion(suggestion, code = "...", applicability = "maybe-incorrect")] + #[suggestion(no_crate_suggestion, code = "...", applicability = "maybe-incorrect")] suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct NoApplicability { - #[suggestion(suggestion, code = "...")] + #[suggestion(no_crate_suggestion, code = "...")] suggestion: Span, } #[derive(Subdiagnostic)] -#[note(parse_add_paren)] +#[note(no_crate_example)] struct Note; #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct Subdiagnostic { #[subdiagnostic] note: Note, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct VecField { #[primary_span] #[label] @@ -490,57 +492,57 @@ struct VecField { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct UnitField { #[primary_span] spans: Span, #[help] foo: (), - #[help(help)] + #[help(no_crate_help)] bar: (), } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct OptUnitField { #[primary_span] spans: Span, #[help] foo: Option<()>, - #[help(help)] + #[help(no_crate_help)] bar: Option<()>, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct LabelWithTrailingPath { - #[label(label, foo)] + #[label(no_crate_label, foo)] //~^ ERROR `#[label(foo)]` is not a valid attribute span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct LabelWithTrailingNameValue { - #[label(label, foo = "...")] + #[label(no_crate_label, foo = "...")] //~^ ERROR `#[label(foo = ...)]` is not a valid attribute span: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct LabelWithTrailingList { - #[label(label, foo("..."))] + #[label(no_crate_label, foo("..."))] //~^ ERROR `#[label(foo(...))]` is not a valid attribute span: Span, } #[derive(LintDiagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct LintsGood {} #[derive(LintDiagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct PrimarySpanOnLint { #[primary_span] //~^ ERROR `#[primary_span]` is not a valid attribute @@ -548,42 +550,42 @@ struct PrimarySpanOnLint { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct ErrorWithMultiSpan { #[primary_span] span: MultiSpan, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] #[warning] struct ErrorWithWarn { val: String, } #[derive(Diagnostic)] -#[error(compiletest_example, code = "E0123")] +#[error(no_crate_example, code = "E0123")] //~^ ERROR `#[error(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `error` in this scope struct ErrorAttribute {} #[derive(Diagnostic)] -#[warn_(compiletest_example, code = "E0123")] +#[warn_(no_crate_example, code = "E0123")] //~^ ERROR `#[warn_(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `warn_` in this scope struct WarnAttribute {} #[derive(Diagnostic)] -#[lint(compiletest_example, code = "E0123")] +#[lint(no_crate_example, code = "E0123")] //~^ ERROR `#[lint(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `lint` in this scope struct LintAttributeOnSessionDiag {} #[derive(LintDiagnostic)] -#[lint(compiletest_example, code = "E0123")] +#[lint(no_crate_example, code = "E0123")] //~^ ERROR `#[lint(...)]` is not a valid attribute //~| ERROR `#[lint(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified @@ -591,55 +593,55 @@ struct LintAttributeOnSessionDiag {} struct LintAttributeOnLintDiag {} #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct DuplicatedSuggestionCode { - #[suggestion(suggestion, code = "...", code = ",,,")] + #[suggestion(no_crate_suggestion, code = "...", code = ",,,")] //~^ ERROR specified multiple times suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct InvalidTypeInSuggestionTuple { - #[suggestion(suggestion, code = "...")] + #[suggestion(no_crate_suggestion, code = "...")] suggestion: (Span, usize), //~^ ERROR wrong types for suggestion } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct MissingApplicabilityInSuggestionTuple { - #[suggestion(suggestion, code = "...")] + #[suggestion(no_crate_suggestion, code = "...")] suggestion: (Span,), //~^ ERROR wrong types for suggestion } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct MissingCodeInSuggestion { - #[suggestion(suggestion)] + #[suggestion(no_crate_suggestion)] //~^ ERROR suggestion without `code = "..."` suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] -#[multipart_suggestion(suggestion)] +#[diag(no_crate_example, code = "E0123")] +#[multipart_suggestion(no_crate_suggestion)] //~^ ERROR `#[multipart_suggestion(...)]` is not a valid attribute //~| ERROR cannot find attribute `multipart_suggestion` in this scope #[multipart_suggestion()] //~^ ERROR `#[multipart_suggestion(...)]` is not a valid attribute //~| ERROR cannot find attribute `multipart_suggestion` in this scope struct MultipartSuggestion { - #[multipart_suggestion(suggestion)] + #[multipart_suggestion(no_crate_suggestion)] //~^ ERROR `#[multipart_suggestion(...)]` is not a valid attribute //~| ERROR cannot find attribute `multipart_suggestion` in this scope suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] -#[suggestion(suggestion, code = "...")] +#[diag(no_crate_example, code = "E0123")] +#[suggestion(no_crate_suggestion, code = "...")] //~^ ERROR `#[suggestion(...)]` is not a valid attribute struct SuggestionOnStruct { #[primary_span] @@ -647,7 +649,7 @@ struct SuggestionOnStruct { } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] #[label] //~^ ERROR `#[label]` is not a valid attribute struct LabelOnStruct { @@ -657,30 +659,30 @@ struct LabelOnStruct { #[derive(Diagnostic)] enum ExampleEnum { - #[diag(compiletest_example)] + #[diag(no_crate_example)] Foo { #[primary_span] sp: Span, #[note] note_sp: Span, }, - #[diag(compiletest_example)] + #[diag(no_crate_example)] Bar { #[primary_span] sp: Span, }, - #[diag(compiletest_example)] + #[diag(no_crate_example)] Baz, } #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct RawIdentDiagnosticArg { pub r#type: String, } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticBad { #[subdiagnostic(bad)] //~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute @@ -688,7 +690,7 @@ struct SubdiagnosticBad { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticBadStr { #[subdiagnostic = "bad"] //~^ ERROR `#[subdiagnostic = ...]` is not a valid attribute @@ -696,7 +698,7 @@ struct SubdiagnosticBadStr { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticBadTwice { #[subdiagnostic(bad, bad)] //~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute @@ -704,7 +706,7 @@ struct SubdiagnosticBadTwice { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticBadLitStr { #[subdiagnostic("bad")] //~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute @@ -712,7 +714,7 @@ struct SubdiagnosticBadLitStr { } #[derive(LintDiagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticEagerLint { #[subdiagnostic(eager)] //~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute @@ -720,7 +722,7 @@ struct SubdiagnosticEagerLint { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticEagerCorrect { #[subdiagnostic(eager)] note: Note, @@ -731,7 +733,7 @@ struct SubdiagnosticEagerCorrect { // after the `span_suggestion` call - which breaks eager translation. #[derive(Subdiagnostic)] -#[suggestion(use_instead, applicability = "machine-applicable", code = "{correct}")] +#[suggestion(no_crate_example, applicability = "machine-applicable", code = "{correct}")] pub(crate) struct SubdiagnosticWithSuggestion { #[primary_span] span: Span, @@ -740,7 +742,7 @@ pub(crate) struct SubdiagnosticWithSuggestion { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SubdiagnosticEagerSuggestion { #[subdiagnostic(eager)] sub: SubdiagnosticWithSuggestion, @@ -748,7 +750,7 @@ struct SubdiagnosticEagerSuggestion { /// with a doc comment on the type.. #[derive(Diagnostic)] -#[diag(compiletest_example, code = "E0123")] +#[diag(no_crate_example, code = "E0123")] struct WithDocComment { /// ..and the field #[primary_span] @@ -756,21 +758,21 @@ struct WithDocComment { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionsGood { #[suggestion(code("foo", "bar"))] sub: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionsSingleItem { #[suggestion(code("foo"))] sub: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionsNoItem { #[suggestion(code())] //~^ ERROR expected at least one string literal for `code(...)` @@ -778,7 +780,7 @@ struct SuggestionsNoItem { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionsInvalidItem { #[suggestion(code(foo))] //~^ ERROR `code(...)` must contain only string literals @@ -786,7 +788,7 @@ struct SuggestionsInvalidItem { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionsInvalidLiteral { #[suggestion(code = 3)] //~^ ERROR `code = "..."`/`code(...)` must contain only string literals @@ -794,16 +796,16 @@ struct SuggestionsInvalidLiteral { } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionStyleGood { #[suggestion(code = "", style = "hidden")] sub: Span, } #[derive(Diagnostic)] -#[diag(compiletest_example)] +#[diag(no_crate_example)] struct SuggestionOnVec { - #[suggestion(suggestion, code = "")] + #[suggestion(no_crate_suggestion, code = "")] //~^ ERROR `#[suggestion(...)]` is not a valid attribute sub: Vec<Span>, } diff --git a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr index 61806c80efc..fc0cd8419e4 100644 --- a/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr +++ b/tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr @@ -1,11 +1,11 @@ error: unsupported type attribute for diagnostic derive enum - --> $DIR/diagnostic-derive.rs:39:1 + --> $DIR/diagnostic-derive.rs:41:1 | -LL | #[diag(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[diag(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:42:5 + --> $DIR/diagnostic-derive.rs:44:5 | LL | Foo, | ^^^ @@ -13,7 +13,7 @@ LL | Foo, = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:44:5 + --> $DIR/diagnostic-derive.rs:46:5 | LL | Bar, | ^^^ @@ -21,21 +21,21 @@ LL | Bar, = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag = ...]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:50:1 + --> $DIR/diagnostic-derive.rs:52:1 | LL | #[diag = "E0123"] | ^^^^^^^^^^^^^^^^^ error: `#[nonsense(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:55:1 + --> $DIR/diagnostic-derive.rs:57:1 | -LL | #[nonsense(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[nonsense(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:55:1 + --> $DIR/diagnostic-derive.rs:57:1 | -LL | / #[nonsense(compiletest_example, code = "E0123")] +LL | / #[nonsense(no_crate_example, code = "E0123")] LL | | LL | | LL | | @@ -45,7 +45,7 @@ LL | | struct InvalidStructAttr {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag("...")]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:62:8 + --> $DIR/diagnostic-derive.rs:64:8 | LL | #[diag("E0123")] | ^^^^^^^ @@ -53,7 +53,7 @@ LL | #[diag("E0123")] = help: a diagnostic slug is required as the first argument error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:62:1 + --> $DIR/diagnostic-derive.rs:64:1 | LL | / #[diag("E0123")] LL | | @@ -64,7 +64,7 @@ LL | | struct InvalidLitNestedAttr {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(nonsense(...))]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:73:8 + --> $DIR/diagnostic-derive.rs:75:8 | LL | #[diag(nonsense("foo"), code = "E0123", slug = "foo")] | ^^^^^^^^^^^^^^^ @@ -72,7 +72,7 @@ LL | #[diag(nonsense("foo"), code = "E0123", slug = "foo")] = help: a diagnostic slug is required as the first argument error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:73:1 + --> $DIR/diagnostic-derive.rs:75:1 | LL | / #[diag(nonsense("foo"), code = "E0123", slug = "foo")] LL | | @@ -83,7 +83,7 @@ LL | | struct InvalidNestedStructAttr1 {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(nonsense = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:79:8 + --> $DIR/diagnostic-derive.rs:81:8 | LL | #[diag(nonsense = "...", code = "E0123", slug = "foo")] | ^^^^^^^^^^^^^^^^ @@ -91,7 +91,7 @@ LL | #[diag(nonsense = "...", code = "E0123", slug = "foo")] = help: only `code` is a valid nested attributes following the slug error: `#[diag(slug = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:79:42 + --> $DIR/diagnostic-derive.rs:81:42 | LL | #[diag(nonsense = "...", code = "E0123", slug = "foo")] | ^^^^^^^^^^^^ @@ -99,7 +99,7 @@ LL | #[diag(nonsense = "...", code = "E0123", slug = "foo")] = help: only `code` is a valid nested attributes following the slug error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:79:1 + --> $DIR/diagnostic-derive.rs:81:1 | LL | / #[diag(nonsense = "...", code = "E0123", slug = "foo")] LL | | @@ -111,13 +111,13 @@ LL | | struct InvalidNestedStructAttr2 {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(nonsense = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:86:8 + --> $DIR/diagnostic-derive.rs:88:8 | LL | #[diag(nonsense = 4, code = "E0123", slug = "foo")] | ^^^^^^^^^^^^ error: `#[diag(slug = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:86:38 + --> $DIR/diagnostic-derive.rs:88:38 | LL | #[diag(nonsense = 4, code = "E0123", slug = "foo")] | ^^^^^^^^^^^^ @@ -125,7 +125,7 @@ LL | #[diag(nonsense = 4, code = "E0123", slug = "foo")] = help: only `code` is a valid nested attributes following the slug error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:86:1 + --> $DIR/diagnostic-derive.rs:88:1 | LL | / #[diag(nonsense = 4, code = "E0123", slug = "foo")] LL | | @@ -137,65 +137,65 @@ LL | | struct InvalidNestedStructAttr3 {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(slug = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:93:45 + --> $DIR/diagnostic-derive.rs:95:42 | -LL | #[diag(compiletest_example, code = "E0123", slug = "foo")] - | ^^^^^^^^^^^^ +LL | #[diag(no_crate_example, code = "E0123", slug = "foo")] + | ^^^^^^^^^^^^ | = help: only `code` is a valid nested attributes following the slug error: `#[suggestion = ...]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:100:5 + --> $DIR/diagnostic-derive.rs:102:5 | LL | #[suggestion = "bar"] | ^^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:107:8 + --> $DIR/diagnostic-derive.rs:109:8 | -LL | #[diag(compiletest_example, code = "E0456")] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[diag(no_crate_example, code = "E0456")] + | ^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:106:8 + --> $DIR/diagnostic-derive.rs:108:8 | -LL | #[diag(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[diag(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:107:36 + --> $DIR/diagnostic-derive.rs:109:33 | -LL | #[diag(compiletest_example, code = "E0456")] - | ^^^^^^^ +LL | #[diag(no_crate_example, code = "E0456")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:106:36 + --> $DIR/diagnostic-derive.rs:108:33 | -LL | #[diag(compiletest_example, code = "E0123")] - | ^^^^^^^ +LL | #[diag(no_crate_example, code = "E0123")] + | ^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:113:52 + --> $DIR/diagnostic-derive.rs:115:49 | -LL | #[diag(compiletest_example, code = "E0456", code = "E0457")] - | ^^^^^^^ +LL | #[diag(no_crate_example, code = "E0456", code = "E0457")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:113:36 + --> $DIR/diagnostic-derive.rs:115:33 | -LL | #[diag(compiletest_example, code = "E0456", code = "E0457")] - | ^^^^^^^ +LL | #[diag(no_crate_example, code = "E0456", code = "E0457")] + | ^^^^^^^ -error: `#[diag(compiletest_example)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:118:29 +error: `#[diag(no_crate::example)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:120:26 | -LL | #[diag(compiletest_example, compiletest_example, code = "E0456")] - | ^^^^^^^^^^^^^^^^^^^ +LL | #[diag(no_crate_example, no_crate::example, code = "E0456")] + | ^^^^^^^^^^^^^^^^^ | = help: diagnostic slug must be the first argument error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:123:1 + --> $DIR/diagnostic-derive.rs:125:1 | LL | struct KindNotProvided {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -203,7 +203,7 @@ LL | struct KindNotProvided {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:126:1 + --> $DIR/diagnostic-derive.rs:128:1 | LL | / #[diag(code = "E0456")] LL | | @@ -213,31 +213,31 @@ LL | | struct SlugNotProvided {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: the `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/diagnostic-derive.rs:137:5 + --> $DIR/diagnostic-derive.rs:139:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: `#[nonsense]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:145:5 + --> $DIR/diagnostic-derive.rs:147:5 | LL | #[nonsense] | ^^^^^^^^^^^ error: the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/diagnostic-derive.rs:162:5 + --> $DIR/diagnostic-derive.rs:164:5 | -LL | #[label(label)] - | ^^^^^^^^^^^^^^^ +LL | #[label(no_crate_label)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ error: `name` doesn't refer to a field on this type - --> $DIR/diagnostic-derive.rs:170:37 + --> $DIR/diagnostic-derive.rs:172:46 | -LL | #[suggestion(suggestion, code = "{name}")] - | ^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "{name}")] + | ^^^^^^^^ error: invalid format string: expected `'}'` but string was terminated - --> $DIR/diagnostic-derive.rs:175:10 + --> $DIR/diagnostic-derive.rs:177:10 | LL | #[derive(Diagnostic)] | ^^^^^^^^^^ expected `'}'` in format string @@ -246,7 +246,7 @@ LL | #[derive(Diagnostic)] = note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info) error: invalid format string: unmatched `}` found - --> $DIR/diagnostic-derive.rs:185:10 + --> $DIR/diagnostic-derive.rs:187:10 | LL | #[derive(Diagnostic)] | ^^^^^^^^^^ unmatched `}` in format string @@ -255,19 +255,19 @@ LL | #[derive(Diagnostic)] = note: this error originates in the derive macro `Diagnostic` (in Nightly builds, run with -Z macro-backtrace for more info) error: the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/diagnostic-derive.rs:205:5 + --> $DIR/diagnostic-derive.rs:207:5 | -LL | #[label(label)] - | ^^^^^^^^^^^^^^^ +LL | #[label(no_crate_label)] + | ^^^^^^^^^^^^^^^^^^^^^^^^ error: suggestion without `code = "..."` - --> $DIR/diagnostic-derive.rs:224:5 + --> $DIR/diagnostic-derive.rs:226:5 | -LL | #[suggestion(suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[suggestion(nonsense = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:232:18 + --> $DIR/diagnostic-derive.rs:234:18 | LL | #[suggestion(nonsense = "bar")] | ^^^^^^^^^^^^^^^^ @@ -275,13 +275,13 @@ LL | #[suggestion(nonsense = "bar")] = help: only `style`, `code` and `applicability` are valid nested attributes error: suggestion without `code = "..."` - --> $DIR/diagnostic-derive.rs:232:5 + --> $DIR/diagnostic-derive.rs:234:5 | LL | #[suggestion(nonsense = "bar")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[suggestion(msg = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:241:18 + --> $DIR/diagnostic-derive.rs:243:18 | LL | #[suggestion(msg = "bar")] | ^^^^^^^^^^^ @@ -289,15 +289,15 @@ LL | #[suggestion(msg = "bar")] = help: only `style`, `code` and `applicability` are valid nested attributes error: suggestion without `code = "..."` - --> $DIR/diagnostic-derive.rs:241:5 + --> $DIR/diagnostic-derive.rs:243:5 | LL | #[suggestion(msg = "bar")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ error: wrong field type for suggestion - --> $DIR/diagnostic-derive.rs:264:5 + --> $DIR/diagnostic-derive.rs:266:5 | -LL | / #[suggestion(suggestion, code = "This is suggested code")] +LL | / #[suggestion(no_crate_suggestion, code = "This is suggested code")] LL | | LL | | suggestion: Applicability, | |_____________________________^ @@ -305,75 +305,75 @@ LL | | suggestion: Applicability, = help: `#[suggestion(...)]` should be applied to fields of type `Span` or `(Span, Applicability)` error: specified multiple times - --> $DIR/diagnostic-derive.rs:280:24 + --> $DIR/diagnostic-derive.rs:282:24 | LL | suggestion: (Span, Span, Applicability), | ^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:280:18 + --> $DIR/diagnostic-derive.rs:282:18 | LL | suggestion: (Span, Span, Applicability), | ^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:288:33 + --> $DIR/diagnostic-derive.rs:290:33 | LL | suggestion: (Applicability, Applicability, Span), | ^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:288:18 + --> $DIR/diagnostic-derive.rs:290:18 | LL | suggestion: (Applicability, Applicability, Span), | ^^^^^^^^^^^^^ error: `#[label = ...]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:295:5 + --> $DIR/diagnostic-derive.rs:297:5 | LL | #[label = "bar"] | ^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:446:44 + --> $DIR/diagnostic-derive.rs:448:53 | -LL | #[suggestion(suggestion, code = "...", applicability = "maybe-incorrect")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "...", applicability = "maybe-incorrect")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:448:24 + --> $DIR/diagnostic-derive.rs:450:24 | LL | suggestion: (Span, Applicability), | ^^^^^^^^^^^^^ error: invalid applicability - --> $DIR/diagnostic-derive.rs:454:44 + --> $DIR/diagnostic-derive.rs:456:53 | -LL | #[suggestion(suggestion, code = "...", applicability = "batman")] - | ^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "...", applicability = "batman")] + | ^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[label(foo)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:517:20 + --> $DIR/diagnostic-derive.rs:519:29 | -LL | #[label(label, foo)] - | ^^^ +LL | #[label(no_crate_label, foo)] + | ^^^ | = help: a diagnostic slug must be the first argument to the attribute error: `#[label(foo = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:525:20 + --> $DIR/diagnostic-derive.rs:527:29 | -LL | #[label(label, foo = "...")] - | ^^^^^^^^^^^ +LL | #[label(no_crate_label, foo = "...")] + | ^^^^^^^^^^^ error: `#[label(foo(...))]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:533:20 + --> $DIR/diagnostic-derive.rs:535:29 | -LL | #[label(label, foo("..."))] - | ^^^^^^^^^^ +LL | #[label(no_crate_label, foo("..."))] + | ^^^^^^^^^^ error: `#[primary_span]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:545:5 + --> $DIR/diagnostic-derive.rs:547:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ @@ -381,15 +381,15 @@ LL | #[primary_span] = help: the `primary_span` field attribute is not valid for lint diagnostics error: `#[error(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:565:1 + --> $DIR/diagnostic-derive.rs:567:1 | -LL | #[error(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[error(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:565:1 + --> $DIR/diagnostic-derive.rs:567:1 | -LL | / #[error(compiletest_example, code = "E0123")] +LL | / #[error(no_crate_example, code = "E0123")] LL | | LL | | LL | | @@ -399,15 +399,15 @@ LL | | struct ErrorAttribute {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[warn_(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:572:1 + --> $DIR/diagnostic-derive.rs:574:1 | -LL | #[warn_(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[warn_(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:572:1 + --> $DIR/diagnostic-derive.rs:574:1 | -LL | / #[warn_(compiletest_example, code = "E0123")] +LL | / #[warn_(no_crate_example, code = "E0123")] LL | | LL | | LL | | @@ -417,15 +417,15 @@ LL | | struct WarnAttribute {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[lint(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:579:1 + --> $DIR/diagnostic-derive.rs:581:1 | -LL | #[lint(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[lint(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:579:1 + --> $DIR/diagnostic-derive.rs:581:1 | -LL | / #[lint(compiletest_example, code = "E0123")] +LL | / #[lint(no_crate_example, code = "E0123")] LL | | LL | | LL | | @@ -435,21 +435,21 @@ LL | | struct LintAttributeOnSessionDiag {} = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[lint(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:586:1 + --> $DIR/diagnostic-derive.rs:588:1 | -LL | #[lint(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[lint(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[lint(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:586:1 + --> $DIR/diagnostic-derive.rs:588:1 | -LL | #[lint(compiletest_example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[lint(no_crate_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified - --> $DIR/diagnostic-derive.rs:586:1 + --> $DIR/diagnostic-derive.rs:588:1 | -LL | / #[lint(compiletest_example, code = "E0123")] +LL | / #[lint(no_crate_example, code = "E0123")] LL | | LL | | LL | | @@ -460,19 +460,19 @@ LL | | struct LintAttributeOnLintDiag {} = help: specify the slug as the first argument to the attribute, such as `#[diag(compiletest_example)]` error: specified multiple times - --> $DIR/diagnostic-derive.rs:596:44 + --> $DIR/diagnostic-derive.rs:598:53 | -LL | #[suggestion(suggestion, code = "...", code = ",,,")] - | ^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "...", code = ",,,")] + | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:596:30 + --> $DIR/diagnostic-derive.rs:598:39 | -LL | #[suggestion(suggestion, code = "...", code = ",,,")] - | ^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "...", code = ",,,")] + | ^^^^^^^^^^^^ error: wrong types for suggestion - --> $DIR/diagnostic-derive.rs:605:24 + --> $DIR/diagnostic-derive.rs:607:24 | LL | suggestion: (Span, usize), | ^^^^^ @@ -480,7 +480,7 @@ LL | suggestion: (Span, usize), = help: `#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)` error: wrong types for suggestion - --> $DIR/diagnostic-derive.rs:613:17 + --> $DIR/diagnostic-derive.rs:615:17 | LL | suggestion: (Span,), | ^^^^^^^ @@ -488,21 +488,21 @@ LL | suggestion: (Span,), = help: `#[suggestion(...)]` on a tuple field must be applied to fields of type `(Span, Applicability)` error: suggestion without `code = "..."` - --> $DIR/diagnostic-derive.rs:620:5 + --> $DIR/diagnostic-derive.rs:622:5 | -LL | #[suggestion(suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[multipart_suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:627:1 + --> $DIR/diagnostic-derive.rs:629:1 | -LL | #[multipart_suggestion(suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[multipart_suggestion(no_crate_suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider creating a `Subdiagnostic` instead error: `#[multipart_suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:630:1 + --> $DIR/diagnostic-derive.rs:632:1 | LL | #[multipart_suggestion()] | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -510,23 +510,23 @@ LL | #[multipart_suggestion()] = help: consider creating a `Subdiagnostic` instead error: `#[multipart_suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:634:5 + --> $DIR/diagnostic-derive.rs:636:5 | -LL | #[multipart_suggestion(suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[multipart_suggestion(no_crate_suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider creating a `Subdiagnostic` instead error: `#[suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:642:1 + --> $DIR/diagnostic-derive.rs:644:1 | -LL | #[suggestion(suggestion, code = "...")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "...")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: `#[label]` and `#[suggestion]` can only be applied to fields error: `#[label]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:651:1 + --> $DIR/diagnostic-derive.rs:653:1 | LL | #[label] | ^^^^^^^^ @@ -534,7 +534,7 @@ LL | #[label] = help: `#[label]` and `#[suggestion]` can only be applied to fields error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:685:5 + --> $DIR/diagnostic-derive.rs:687:5 | LL | #[subdiagnostic(bad)] | ^^^^^^^^^^^^^^^^^^^^^ @@ -542,13 +542,13 @@ LL | #[subdiagnostic(bad)] = help: `eager` is the only supported nested attribute for `subdiagnostic` error: `#[subdiagnostic = ...]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:693:5 + --> $DIR/diagnostic-derive.rs:695:5 | LL | #[subdiagnostic = "bad"] | ^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:701:5 + --> $DIR/diagnostic-derive.rs:703:5 | LL | #[subdiagnostic(bad, bad)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -556,7 +556,7 @@ LL | #[subdiagnostic(bad, bad)] = help: `eager` is the only supported nested attribute for `subdiagnostic` error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:709:5 + --> $DIR/diagnostic-derive.rs:711:5 | LL | #[subdiagnostic("bad")] | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -564,7 +564,7 @@ LL | #[subdiagnostic("bad")] = help: `eager` is the only supported nested attribute for `subdiagnostic` error: `#[subdiagnostic(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:717:5 + --> $DIR/diagnostic-derive.rs:719:5 | LL | #[subdiagnostic(eager)] | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -572,95 +572,95 @@ LL | #[subdiagnostic(eager)] = help: eager subdiagnostics are not supported on lints error: expected at least one string literal for `code(...)` - --> $DIR/diagnostic-derive.rs:775:18 + --> $DIR/diagnostic-derive.rs:777:18 | LL | #[suggestion(code())] | ^^^^^^ error: `code(...)` must contain only string literals - --> $DIR/diagnostic-derive.rs:783:23 + --> $DIR/diagnostic-derive.rs:785:23 | LL | #[suggestion(code(foo))] | ^^^ error: `code = "..."`/`code(...)` must contain only string literals - --> $DIR/diagnostic-derive.rs:791:18 + --> $DIR/diagnostic-derive.rs:793:18 | LL | #[suggestion(code = 3)] | ^^^^^^^^ error: `#[suggestion(...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:806:5 + --> $DIR/diagnostic-derive.rs:808:5 | -LL | #[suggestion(suggestion, code = "")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_suggestion, code = "")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `#[suggestion(...)]` applied to `Vec` field is ambiguous = help: to show a suggestion consisting of multiple parts, use a `Subdiagnostic` annotated with `#[multipart_suggestion(...)]` = help: to show a variable set of suggestions, use a `Vec` of `Subdiagnostic`s annotated with `#[suggestion(...)]` error: cannot find attribute `nonsense` in this scope - --> $DIR/diagnostic-derive.rs:55:3 + --> $DIR/diagnostic-derive.rs:57:3 | -LL | #[nonsense(compiletest_example, code = "E0123")] +LL | #[nonsense(no_crate_example, code = "E0123")] | ^^^^^^^^ error: cannot find attribute `nonsense` in this scope - --> $DIR/diagnostic-derive.rs:145:7 + --> $DIR/diagnostic-derive.rs:147:7 | LL | #[nonsense] | ^^^^^^^^ error: cannot find attribute `error` in this scope - --> $DIR/diagnostic-derive.rs:565:3 + --> $DIR/diagnostic-derive.rs:567:3 | -LL | #[error(compiletest_example, code = "E0123")] +LL | #[error(no_crate_example, code = "E0123")] | ^^^^^ error: cannot find attribute `warn_` in this scope - --> $DIR/diagnostic-derive.rs:572:3 + --> $DIR/diagnostic-derive.rs:574:3 | -LL | #[warn_(compiletest_example, code = "E0123")] +LL | #[warn_(no_crate_example, code = "E0123")] | ^^^^^ help: a built-in attribute with a similar name exists: `warn` error: cannot find attribute `lint` in this scope - --> $DIR/diagnostic-derive.rs:579:3 + --> $DIR/diagnostic-derive.rs:581:3 | -LL | #[lint(compiletest_example, code = "E0123")] +LL | #[lint(no_crate_example, code = "E0123")] | ^^^^ help: a built-in attribute with a similar name exists: `link` error: cannot find attribute `lint` in this scope - --> $DIR/diagnostic-derive.rs:586:3 + --> $DIR/diagnostic-derive.rs:588:3 | -LL | #[lint(compiletest_example, code = "E0123")] +LL | #[lint(no_crate_example, code = "E0123")] | ^^^^ help: a built-in attribute with a similar name exists: `link` error: cannot find attribute `multipart_suggestion` in this scope - --> $DIR/diagnostic-derive.rs:627:3 + --> $DIR/diagnostic-derive.rs:629:3 | -LL | #[multipart_suggestion(suggestion)] +LL | #[multipart_suggestion(no_crate_suggestion)] | ^^^^^^^^^^^^^^^^^^^^ error: cannot find attribute `multipart_suggestion` in this scope - --> $DIR/diagnostic-derive.rs:630:3 + --> $DIR/diagnostic-derive.rs:632:3 | LL | #[multipart_suggestion()] | ^^^^^^^^^^^^^^^^^^^^ error: cannot find attribute `multipart_suggestion` in this scope - --> $DIR/diagnostic-derive.rs:634:7 + --> $DIR/diagnostic-derive.rs:636:7 | -LL | #[multipart_suggestion(suggestion)] +LL | #[multipart_suggestion(no_crate_suggestion)] | ^^^^^^^^^^^^^^^^^^^^ -error[E0425]: cannot find value `nonsense` in module `rustc_errors::fluent` - --> $DIR/diagnostic-derive.rs:68:8 +error[E0425]: cannot find value `nonsense` in module `crate::fluent_generated` + --> $DIR/diagnostic-derive.rs:70:8 | LL | #[diag(nonsense, code = "E0123")] - | ^^^^^^^^ not found in `rustc_errors::fluent` + | ^^^^^^^^ not found in `crate::fluent_generated` error[E0277]: the trait bound `Hello: IntoDiagnosticArg` is not satisfied - --> $DIR/diagnostic-derive.rs:339:10 + --> $DIR/diagnostic-derive.rs:341:10 | LL | #[derive(Diagnostic)] | ^^^^^^^^^^ the trait `IntoDiagnosticArg` is not implemented for `Hello` diff --git a/tests/ui-fulldeps/session-diagnostic/example.ftl b/tests/ui-fulldeps/session-diagnostic/example.ftl new file mode 100644 index 00000000000..cb2d476d815 --- /dev/null +++ b/tests/ui-fulldeps/session-diagnostic/example.ftl @@ -0,0 +1,5 @@ +no_crate_example = this is an example message used in testing + .note = with a note + .help = with a help + .suggestion = with a suggestion + .label = with a label diff --git a/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs b/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs index 09ad6964909..c882f7792d5 100644 --- a/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs +++ b/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs @@ -15,12 +15,14 @@ extern crate rustc_macros; extern crate rustc_session; extern crate rustc_span; -use rustc_errors::Applicability; -use rustc_macros::Subdiagnostic; +use rustc_errors::{Applicability, DiagnosticMessage, SubdiagnosticMessage}; +use rustc_macros::{fluent_messages, Subdiagnostic}; use rustc_span::Span; +fluent_messages! { "./example.ftl" } + #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct A { #[primary_span] span: Span, @@ -29,13 +31,13 @@ struct A { #[derive(Subdiagnostic)] enum B { - #[label(parse_add_paren)] + #[label(no_crate_example)] A { #[primary_span] span: Span, var: String, }, - #[label(parse_add_paren)] + #[label(no_crate_example)] B { #[primary_span] span: Span, @@ -44,7 +46,7 @@ enum B { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] //~^ ERROR label without `#[primary_span]` field struct C { var: String, @@ -120,8 +122,8 @@ struct K { #[derive(Subdiagnostic)] #[label(slug)] -//~^ ERROR cannot find value `slug` in module `rustc_errors::fluent` -//~^^ NOTE not found in `rustc_errors::fluent` +//~^ ERROR cannot find value `slug` in module `crate::fluent_generated` +//~^^ NOTE not found in `crate::fluent_generated` struct L { #[primary_span] span: Span, @@ -138,7 +140,7 @@ struct M { } #[derive(Subdiagnostic)] -#[label(parse_add_paren, code = "...")] +#[label(no_crate_example, code = "...")] //~^ ERROR `#[label(code = ...)]` is not a valid attribute struct N { #[primary_span] @@ -147,7 +149,7 @@ struct N { } #[derive(Subdiagnostic)] -#[label(parse_add_paren, applicability = "machine-applicable")] +#[label(no_crate_example, applicability = "machine-applicable")] //~^ ERROR `#[label(applicability = ...)]` is not a valid attribute struct O { #[primary_span] @@ -160,7 +162,7 @@ struct O { //~^ ERROR cannot find attribute `foo` in this scope //~^^ ERROR unsupported type attribute for subdiagnostic enum enum P { - #[label(parse_add_paren)] + #[label(no_crate_example)] A { #[primary_span] span: Span, @@ -230,7 +232,7 @@ enum U { #[derive(Subdiagnostic)] enum V { - #[label(parse_add_paren)] + #[label(no_crate_example)] A { #[primary_span] span: Span, @@ -244,7 +246,7 @@ enum V { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] //~^ ERROR label without `#[primary_span]` field struct W { #[primary_span] @@ -253,7 +255,7 @@ struct W { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct X { #[primary_span] span: Span, @@ -263,7 +265,7 @@ struct X { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct Y { #[primary_span] span: Span, @@ -274,7 +276,7 @@ struct Y { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct Z { #[primary_span] span: Span, @@ -285,7 +287,7 @@ struct Z { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct AA { #[primary_span] span: Span, @@ -296,7 +298,7 @@ struct AA { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct AB { #[primary_span] span: Span, @@ -312,23 +314,23 @@ union AC { } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] -#[label(parse_add_paren)] +#[label(no_crate_example)] +#[label(no_crate_example)] struct AD { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[label(parse_add_paren, parse_add_paren)] -//~^ ERROR `#[label(parse_add_paren)]` is not a valid attribute +#[label(no_crate_example, no_crate::example)] +//~^ ERROR `#[label(no_crate::example)]` is not a valid attribute struct AE { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct AF { #[primary_span] //~^ NOTE previously specified here @@ -346,7 +348,7 @@ struct AG { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...")] +#[suggestion(no_crate_example, code = "...")] struct AH { #[primary_span] span: Span, @@ -357,7 +359,7 @@ struct AH { #[derive(Subdiagnostic)] enum AI { - #[suggestion(parse_add_paren, code = "...")] + #[suggestion(no_crate_example, code = "...")] A { #[primary_span] span: Span, @@ -365,7 +367,7 @@ enum AI { applicability: Applicability, var: String, }, - #[suggestion(parse_add_paren, code = "...")] + #[suggestion(no_crate_example, code = "...")] B { #[primary_span] span: Span, @@ -376,7 +378,7 @@ enum AI { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...", code = "...")] +#[suggestion(no_crate_example, code = "...", code = "...")] //~^ ERROR specified multiple times //~^^ NOTE previously specified here struct AJ { @@ -387,7 +389,7 @@ struct AJ { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...")] +#[suggestion(no_crate_example, code = "...")] struct AK { #[primary_span] span: Span, @@ -400,7 +402,7 @@ struct AK { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...")] +#[suggestion(no_crate_example, code = "...")] struct AL { #[primary_span] span: Span, @@ -410,14 +412,14 @@ struct AL { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...")] +#[suggestion(no_crate_example, code = "...")] struct AM { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren)] +#[suggestion(no_crate_example)] //~^ ERROR suggestion without `code = "..."` struct AN { #[primary_span] @@ -427,7 +429,7 @@ struct AN { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...", applicability = "foo")] +#[suggestion(no_crate_example, code = "...", applicability = "foo")] //~^ ERROR invalid applicability struct AO { #[primary_span] @@ -435,24 +437,24 @@ struct AO { } #[derive(Subdiagnostic)] -#[help(parse_add_paren)] +#[help(no_crate_example)] struct AP { var: String, } #[derive(Subdiagnostic)] -#[note(parse_add_paren)] +#[note(no_crate_example)] struct AQ; #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...")] +#[suggestion(no_crate_example, code = "...")] //~^ ERROR suggestion without `#[primary_span]` field struct AR { var: String, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...", applicability = "machine-applicable")] +#[suggestion(no_crate_example, code = "...", applicability = "machine-applicable")] struct AS { #[primary_span] span: Span, @@ -462,7 +464,7 @@ struct AS { #[label] //~^ ERROR unsupported type attribute for subdiagnostic enum enum AT { - #[label(parse_add_paren)] + #[label(no_crate_example)] A { #[primary_span] span: Span, @@ -471,7 +473,7 @@ enum AT { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "{var}", applicability = "machine-applicable")] +#[suggestion(no_crate_example, code = "{var}", applicability = "machine-applicable")] struct AU { #[primary_span] span: Span, @@ -479,7 +481,7 @@ struct AU { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "{var}", applicability = "machine-applicable")] +#[suggestion(no_crate_example, code = "{var}", applicability = "machine-applicable")] //~^ ERROR `var` doesn't refer to a field on this type struct AV { #[primary_span] @@ -488,7 +490,7 @@ struct AV { #[derive(Subdiagnostic)] enum AW { - #[suggestion(parse_add_paren, code = "{var}", applicability = "machine-applicable")] + #[suggestion(no_crate_example, code = "{var}", applicability = "machine-applicable")] A { #[primary_span] span: Span, @@ -498,7 +500,7 @@ enum AW { #[derive(Subdiagnostic)] enum AX { - #[suggestion(parse_add_paren, code = "{var}", applicability = "machine-applicable")] + #[suggestion(no_crate_example, code = "{var}", applicability = "machine-applicable")] //~^ ERROR `var` doesn't refer to a field on this type A { #[primary_span] @@ -507,18 +509,18 @@ enum AX { } #[derive(Subdiagnostic)] -#[warning(parse_add_paren)] +#[warning(no_crate_example)] struct AY {} #[derive(Subdiagnostic)] -#[warning(parse_add_paren)] +#[warning(no_crate_example)] struct AZ { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "...")] +#[suggestion(no_crate_example, code = "...")] //~^ ERROR suggestion without `#[primary_span]` field struct BA { #[suggestion_part] @@ -533,7 +535,7 @@ struct BA { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, code = "...", applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, code = "...", applicability = "machine-applicable")] //~^ ERROR multipart suggestion without any `#[suggestion_part(...)]` fields //~| ERROR `#[multipart_suggestion(code = ...)]` is not a valid attribute struct BBa { @@ -541,7 +543,7 @@ struct BBa { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, applicability = "machine-applicable")] struct BBb { #[suggestion_part] //~^ ERROR `#[suggestion_part(...)]` attribute without `code = "..."` @@ -549,7 +551,7 @@ struct BBb { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, applicability = "machine-applicable")] struct BBc { #[suggestion_part()] //~^ ERROR `#[suggestion_part(...)]` attribute without `code = "..."` @@ -557,7 +559,7 @@ struct BBc { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] //~^ ERROR multipart suggestion without any `#[suggestion_part(...)]` fields struct BC { #[primary_span] @@ -566,7 +568,7 @@ struct BC { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BD { #[suggestion_part] //~^ ERROR `#[suggestion_part(...)]` attribute without `code = "..."` @@ -586,7 +588,7 @@ struct BD { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, applicability = "machine-applicable")] struct BE { #[suggestion_part(code = "...", code = ",,,")] //~^ ERROR specified multiple times @@ -595,7 +597,7 @@ struct BE { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, applicability = "machine-applicable")] struct BF { #[suggestion_part(code = "(")] first: Span, @@ -604,7 +606,7 @@ struct BF { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BG { #[applicability] appl: Applicability, @@ -615,7 +617,7 @@ struct BG { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, applicability = "machine-applicable")] struct BH { #[applicability] //~^ ERROR `#[applicability]` has no effect @@ -627,14 +629,14 @@ struct BH { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(no_crate_example, applicability = "machine-applicable")] struct BI { #[suggestion_part(code = "")] spans: Vec<Span>, } #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct BJ { #[primary_span] span: Span, @@ -643,7 +645,7 @@ struct BJ { /// with a doc comment on the type.. #[derive(Subdiagnostic)] -#[label(parse_add_paren)] +#[label(no_crate_example)] struct BK { /// ..and the field #[primary_span] @@ -654,7 +656,7 @@ struct BK { #[derive(Subdiagnostic)] enum BL { /// ..and the variant.. - #[label(parse_add_paren)] + #[label(no_crate_example)] Foo { /// ..and the field #[primary_span] @@ -663,7 +665,7 @@ enum BL { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BM { #[suggestion_part(code("foo"))] //~^ ERROR expected exactly one string literal for `code = ...` @@ -672,7 +674,7 @@ struct BM { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BN { #[suggestion_part(code("foo", "bar"))] //~^ ERROR expected exactly one string literal for `code = ...` @@ -681,7 +683,7 @@ struct BN { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BO { #[suggestion_part(code(3))] //~^ ERROR expected exactly one string literal for `code = ...` @@ -690,7 +692,7 @@ struct BO { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BP { #[suggestion_part(code())] //~^ ERROR expected exactly one string literal for `code = ...` @@ -699,7 +701,7 @@ struct BP { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parse_add_paren)] +#[multipart_suggestion(no_crate_example)] struct BQ { #[suggestion_part(code = 3)] //~^ ERROR `code = "..."`/`code(...)` must contain only string literals @@ -708,42 +710,42 @@ struct BQ { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "")] +#[suggestion(no_crate_example, code = "")] struct SuggestionStyleDefault { #[primary_span] sub: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = "short")] +#[suggestion(no_crate_example, code = "", style = "short")] struct SuggestionStyleShort { #[primary_span] sub: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = "hidden")] +#[suggestion(no_crate_example, code = "", style = "hidden")] struct SuggestionStyleHidden { #[primary_span] sub: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = "verbose")] +#[suggestion(no_crate_example, code = "", style = "verbose")] struct SuggestionStyleVerbose { #[primary_span] sub: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = "tool-only")] +#[suggestion(no_crate_example, code = "", style = "tool-only")] struct SuggestionStyleToolOnly { #[primary_span] sub: Span, } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = "hidden", style = "normal")] +#[suggestion(no_crate_example, code = "", style = "hidden", style = "normal")] //~^ ERROR specified multiple times //~| NOTE previously specified here struct SuggestionStyleTwice { @@ -752,7 +754,7 @@ struct SuggestionStyleTwice { } #[derive(Subdiagnostic)] -#[suggestion_hidden(parse_add_paren, code = "")] +#[suggestion_hidden(no_crate_example, code = "")] //~^ ERROR #[suggestion_hidden(...)]` is not a valid attribute struct SuggestionStyleOldSyntax { #[primary_span] @@ -760,7 +762,7 @@ struct SuggestionStyleOldSyntax { } #[derive(Subdiagnostic)] -#[suggestion_hidden(parse_add_paren, code = "", style = "normal")] +#[suggestion_hidden(no_crate_example, code = "", style = "normal")] //~^ ERROR #[suggestion_hidden(...)]` is not a valid attribute struct SuggestionStyleOldAndNewSyntax { #[primary_span] @@ -768,7 +770,7 @@ struct SuggestionStyleOldAndNewSyntax { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = "foo")] +#[suggestion(no_crate_example, code = "", style = "foo")] //~^ ERROR invalid suggestion style struct SuggestionStyleInvalid1 { #[primary_span] @@ -776,7 +778,7 @@ struct SuggestionStyleInvalid1 { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style = 42)] +#[suggestion(no_crate_example, code = "", style = 42)] //~^ ERROR `#[suggestion(style = ...)]` is not a valid attribute struct SuggestionStyleInvalid2 { #[primary_span] @@ -784,7 +786,7 @@ struct SuggestionStyleInvalid2 { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style)] +#[suggestion(no_crate_example, code = "", style)] //~^ ERROR `#[suggestion(style)]` is not a valid attribute struct SuggestionStyleInvalid3 { #[primary_span] @@ -792,7 +794,7 @@ struct SuggestionStyleInvalid3 { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "", style("foo"))] +#[suggestion(no_crate_example, code = "", style("foo"))] //~^ ERROR `#[suggestion(style(...))]` is not a valid attribute struct SuggestionStyleInvalid4 { #[primary_span] @@ -800,7 +802,7 @@ struct SuggestionStyleInvalid4 { } #[derive(Subdiagnostic)] -#[suggestion(parse_add_paren, code = "")] +#[suggestion(no_crate_example, code = "")] //~^ ERROR suggestion without `#[primary_span]` field struct PrimarySpanOnVec { #[primary_span] diff --git a/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr b/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr index f9d1a63031d..343134af6bc 100644 --- a/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr +++ b/tests/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr @@ -1,7 +1,7 @@ error: label without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:47:1 + --> $DIR/subdiagnostic-derive.rs:49:1 | -LL | / #[label(parse_add_paren)] +LL | / #[label(no_crate_example)] LL | | LL | | struct C { LL | | var: String, @@ -9,141 +9,141 @@ LL | | } | |_^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:54:1 + --> $DIR/subdiagnostic-derive.rs:56:1 | LL | #[label] | ^^^^^^^^ error: `#[foo]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:63:1 + --> $DIR/subdiagnostic-derive.rs:65:1 | LL | #[foo] | ^^^^^^ error: `#[label = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:73:1 + --> $DIR/subdiagnostic-derive.rs:75:1 | LL | #[label = "..."] | ^^^^^^^^^^^^^^^^ error: `#[label(bug = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:82:9 + --> $DIR/subdiagnostic-derive.rs:84:9 | LL | #[label(bug = "...")] | ^^^^^^^^^^^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:82:1 + --> $DIR/subdiagnostic-derive.rs:84:1 | LL | #[label(bug = "...")] | ^^^^^^^^^^^^^^^^^^^^^ error: `#[label("...")]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:92:9 + --> $DIR/subdiagnostic-derive.rs:94:9 | LL | #[label("...")] | ^^^^^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:92:1 + --> $DIR/subdiagnostic-derive.rs:94:1 | LL | #[label("...")] | ^^^^^^^^^^^^^^^ error: `#[label(slug = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:102:9 + --> $DIR/subdiagnostic-derive.rs:104:9 | LL | #[label(slug = 4)] | ^^^^^^^^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:102:1 + --> $DIR/subdiagnostic-derive.rs:104:1 | LL | #[label(slug = 4)] | ^^^^^^^^^^^^^^^^^^ error: `#[label(slug(...))]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:112:9 + --> $DIR/subdiagnostic-derive.rs:114:9 | LL | #[label(slug("..."))] | ^^^^^^^^^^^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:112:1 + --> $DIR/subdiagnostic-derive.rs:114:1 | LL | #[label(slug("..."))] | ^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:132:1 + --> $DIR/subdiagnostic-derive.rs:134:1 | LL | #[label()] | ^^^^^^^^^^ error: `#[label(code = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:141:26 + --> $DIR/subdiagnostic-derive.rs:143:27 | -LL | #[label(parse_add_paren, code = "...")] - | ^^^^^^^^^^^^ +LL | #[label(no_crate_example, code = "...")] + | ^^^^^^^^^^^^ error: `#[label(applicability = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:150:26 + --> $DIR/subdiagnostic-derive.rs:152:27 | -LL | #[label(parse_add_paren, applicability = "machine-applicable")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(no_crate_example, applicability = "machine-applicable")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unsupported type attribute for subdiagnostic enum - --> $DIR/subdiagnostic-derive.rs:159:1 + --> $DIR/subdiagnostic-derive.rs:161:1 | LL | #[foo] | ^^^^^^ error: `#[bar]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:173:5 + --> $DIR/subdiagnostic-derive.rs:175:5 | LL | #[bar] | ^^^^^^ error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:185:5 + --> $DIR/subdiagnostic-derive.rs:187:5 | LL | #[bar = "..."] | ^^^^^^^^^^^^^^ error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:197:5 + --> $DIR/subdiagnostic-derive.rs:199:5 | LL | #[bar = 4] | ^^^^^^^^^^ error: `#[bar(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:209:5 + --> $DIR/subdiagnostic-derive.rs:211:5 | LL | #[bar("...")] | ^^^^^^^^^^^^^ error: `#[label(code = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:221:13 + --> $DIR/subdiagnostic-derive.rs:223:13 | LL | #[label(code = "...")] | ^^^^^^^^^^^^ error: diagnostic slug must be first argument of a `#[label(...)]` attribute - --> $DIR/subdiagnostic-derive.rs:221:5 + --> $DIR/subdiagnostic-derive.rs:223:5 | LL | #[label(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^ error: the `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/subdiagnostic-derive.rs:250:5 + --> $DIR/subdiagnostic-derive.rs:252:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: label without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:247:1 + --> $DIR/subdiagnostic-derive.rs:249:1 | -LL | / #[label(parse_add_paren)] +LL | / #[label(no_crate_example)] LL | | LL | | struct W { LL | | #[primary_span] @@ -153,13 +153,13 @@ LL | | } | |_^ error: `#[applicability]` is only valid on suggestions - --> $DIR/subdiagnostic-derive.rs:260:5 + --> $DIR/subdiagnostic-derive.rs:262:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: `#[bar]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:270:5 + --> $DIR/subdiagnostic-derive.rs:272:5 | LL | #[bar] | ^^^^^^ @@ -167,13 +167,13 @@ LL | #[bar] = help: only `primary_span`, `applicability` and `skip_arg` are valid field attributes error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:281:5 + --> $DIR/subdiagnostic-derive.rs:283:5 | LL | #[bar = "..."] | ^^^^^^^^^^^^^^ error: `#[bar(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:292:5 + --> $DIR/subdiagnostic-derive.rs:294:5 | LL | #[bar("...")] | ^^^^^^^^^^^^^ @@ -181,7 +181,7 @@ LL | #[bar("...")] = help: only `primary_span`, `applicability` and `skip_arg` are valid field attributes error: unexpected unsupported untagged union - --> $DIR/subdiagnostic-derive.rs:308:1 + --> $DIR/subdiagnostic-derive.rs:310:1 | LL | / union AC { LL | | @@ -190,78 +190,78 @@ LL | | b: u64, LL | | } | |_^ -error: `#[label(parse_add_paren)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:323:26 +error: `#[label(no_crate::example)]` is not a valid attribute + --> $DIR/subdiagnostic-derive.rs:325:27 | -LL | #[label(parse_add_paren, parse_add_paren)] - | ^^^^^^^^^^^^^^^ +LL | #[label(no_crate_example, no_crate::example)] + | ^^^^^^^^^^^^^^^^^ | = help: a diagnostic slug must be the first argument to the attribute error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:336:5 + --> $DIR/subdiagnostic-derive.rs:338:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:333:5 + --> $DIR/subdiagnostic-derive.rs:335:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: subdiagnostic kind not specified - --> $DIR/subdiagnostic-derive.rs:342:8 + --> $DIR/subdiagnostic-derive.rs:344:8 | LL | struct AG { | ^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:379:45 + --> $DIR/subdiagnostic-derive.rs:381:46 | -LL | #[suggestion(parse_add_paren, code = "...", code = "...")] - | ^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "...", code = "...")] + | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:379:31 + --> $DIR/subdiagnostic-derive.rs:381:32 | -LL | #[suggestion(parse_add_paren, code = "...", code = "...")] - | ^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "...", code = "...")] + | ^^^^^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:397:5 + --> $DIR/subdiagnostic-derive.rs:399:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:394:5 + --> $DIR/subdiagnostic-derive.rs:396:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: the `#[applicability]` attribute can only be applied to fields of type `Applicability` - --> $DIR/subdiagnostic-derive.rs:407:5 + --> $DIR/subdiagnostic-derive.rs:409:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: suggestion without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:420:1 + --> $DIR/subdiagnostic-derive.rs:422:1 | -LL | #[suggestion(parse_add_paren)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: invalid applicability - --> $DIR/subdiagnostic-derive.rs:430:45 + --> $DIR/subdiagnostic-derive.rs:432:46 | -LL | #[suggestion(parse_add_paren, code = "...", applicability = "foo")] - | ^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "...", applicability = "foo")] + | ^^^^^^^^^^^^^^^^^^^^^ error: suggestion without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:448:1 + --> $DIR/subdiagnostic-derive.rs:450:1 | -LL | / #[suggestion(parse_add_paren, code = "...")] +LL | / #[suggestion(no_crate_example, code = "...")] LL | | LL | | struct AR { LL | | var: String, @@ -269,25 +269,25 @@ LL | | } | |_^ error: unsupported type attribute for subdiagnostic enum - --> $DIR/subdiagnostic-derive.rs:462:1 + --> $DIR/subdiagnostic-derive.rs:464:1 | LL | #[label] | ^^^^^^^^ error: `var` doesn't refer to a field on this type - --> $DIR/subdiagnostic-derive.rs:482:38 + --> $DIR/subdiagnostic-derive.rs:484:39 | -LL | #[suggestion(parse_add_paren, code = "{var}", applicability = "machine-applicable")] - | ^^^^^^^ +LL | #[suggestion(no_crate_example, code = "{var}", applicability = "machine-applicable")] + | ^^^^^^^ error: `var` doesn't refer to a field on this type - --> $DIR/subdiagnostic-derive.rs:501:42 + --> $DIR/subdiagnostic-derive.rs:503:43 | -LL | #[suggestion(parse_add_paren, code = "{var}", applicability = "machine-applicable")] - | ^^^^^^^ +LL | #[suggestion(no_crate_example, code = "{var}", applicability = "machine-applicable")] + | ^^^^^^^ error: `#[suggestion_part]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:524:5 + --> $DIR/subdiagnostic-derive.rs:526:5 | LL | #[suggestion_part] | ^^^^^^^^^^^^^^^^^^ @@ -295,7 +295,7 @@ LL | #[suggestion_part] = help: `#[suggestion_part(...)]` is only valid in multipart suggestions, use `#[primary_span]` instead error: `#[suggestion_part(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:527:5 + --> $DIR/subdiagnostic-derive.rs:529:5 | LL | #[suggestion_part(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -303,9 +303,9 @@ LL | #[suggestion_part(code = "...")] = help: `#[suggestion_part(...)]` is only valid in multipart suggestions error: suggestion without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:521:1 + --> $DIR/subdiagnostic-derive.rs:523:1 | -LL | / #[suggestion(parse_add_paren, code = "...")] +LL | / #[suggestion(no_crate_example, code = "...")] LL | | LL | | struct BA { LL | | #[suggestion_part] @@ -315,17 +315,17 @@ LL | | } | |_^ error: `#[multipart_suggestion(code = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:536:41 + --> $DIR/subdiagnostic-derive.rs:538:42 | -LL | #[multipart_suggestion(parse_add_paren, code = "...", applicability = "machine-applicable")] - | ^^^^^^^^^^^^ +LL | #[multipart_suggestion(no_crate_example, code = "...", applicability = "machine-applicable")] + | ^^^^^^^^^^^^ | = help: only `style` and `applicability` are valid nested attributes error: multipart suggestion without any `#[suggestion_part(...)]` fields - --> $DIR/subdiagnostic-derive.rs:536:1 + --> $DIR/subdiagnostic-derive.rs:538:1 | -LL | / #[multipart_suggestion(parse_add_paren, code = "...", applicability = "machine-applicable")] +LL | / #[multipart_suggestion(no_crate_example, code = "...", applicability = "machine-applicable")] LL | | LL | | LL | | struct BBa { @@ -334,19 +334,19 @@ LL | | } | |_^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:546:5 + --> $DIR/subdiagnostic-derive.rs:548:5 | LL | #[suggestion_part] | ^^^^^^^^^^^^^^^^^^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:554:5 + --> $DIR/subdiagnostic-derive.rs:556:5 | LL | #[suggestion_part()] | ^^^^^^^^^^^^^^^^^^^^ error: `#[primary_span]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:563:5 + --> $DIR/subdiagnostic-derive.rs:565:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ @@ -354,9 +354,9 @@ LL | #[primary_span] = help: multipart suggestions use one or more `#[suggestion_part]`s rather than one `#[primary_span]` error: multipart suggestion without any `#[suggestion_part(...)]` fields - --> $DIR/subdiagnostic-derive.rs:560:1 + --> $DIR/subdiagnostic-derive.rs:562:1 | -LL | / #[multipart_suggestion(parse_add_paren)] +LL | / #[multipart_suggestion(no_crate_example)] LL | | LL | | struct BC { LL | | #[primary_span] @@ -366,19 +366,19 @@ LL | | } | |_^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:571:5 + --> $DIR/subdiagnostic-derive.rs:573:5 | LL | #[suggestion_part] | ^^^^^^^^^^^^^^^^^^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:574:5 + --> $DIR/subdiagnostic-derive.rs:576:5 | LL | #[suggestion_part()] | ^^^^^^^^^^^^^^^^^^^^ error: `#[suggestion_part(foo = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:577:23 + --> $DIR/subdiagnostic-derive.rs:579:23 | LL | #[suggestion_part(foo = "bar")] | ^^^^^^^^^^^ @@ -386,123 +386,123 @@ LL | #[suggestion_part(foo = "bar")] = help: `code` is the only valid nested attribute error: the `#[suggestion_part(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/subdiagnostic-derive.rs:580:5 + --> $DIR/subdiagnostic-derive.rs:582:5 | LL | #[suggestion_part(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: the `#[suggestion_part(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/subdiagnostic-derive.rs:583:5 + --> $DIR/subdiagnostic-derive.rs:585:5 | LL | #[suggestion_part()] | ^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:591:37 + --> $DIR/subdiagnostic-derive.rs:593:37 | LL | #[suggestion_part(code = "...", code = ",,,")] | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:591:23 + --> $DIR/subdiagnostic-derive.rs:593:23 | LL | #[suggestion_part(code = "...", code = ",,,")] | ^^^^^^^^^^^^ error: `#[applicability]` has no effect if all `#[suggestion]`/`#[multipart_suggestion]` attributes have a static `applicability = "..."` - --> $DIR/subdiagnostic-derive.rs:620:5 + --> $DIR/subdiagnostic-derive.rs:622:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: expected exactly one string literal for `code = ...` - --> $DIR/subdiagnostic-derive.rs:668:23 + --> $DIR/subdiagnostic-derive.rs:670:23 | LL | #[suggestion_part(code("foo"))] | ^^^^^^^^^^^ error: expected exactly one string literal for `code = ...` - --> $DIR/subdiagnostic-derive.rs:677:23 + --> $DIR/subdiagnostic-derive.rs:679:23 | LL | #[suggestion_part(code("foo", "bar"))] | ^^^^^^^^^^^^^^^^^^ error: expected exactly one string literal for `code = ...` - --> $DIR/subdiagnostic-derive.rs:686:23 + --> $DIR/subdiagnostic-derive.rs:688:23 | LL | #[suggestion_part(code(3))] | ^^^^^^^ error: expected exactly one string literal for `code = ...` - --> $DIR/subdiagnostic-derive.rs:695:23 + --> $DIR/subdiagnostic-derive.rs:697:23 | LL | #[suggestion_part(code())] | ^^^^^^ error: `code = "..."`/`code(...)` must contain only string literals - --> $DIR/subdiagnostic-derive.rs:704:23 + --> $DIR/subdiagnostic-derive.rs:706:23 | LL | #[suggestion_part(code = 3)] | ^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:746:60 + --> $DIR/subdiagnostic-derive.rs:748:61 | -LL | #[suggestion(parse_add_paren, code = "", style = "hidden", style = "normal")] - | ^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "", style = "hidden", style = "normal")] + | ^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:746:42 + --> $DIR/subdiagnostic-derive.rs:748:43 | -LL | #[suggestion(parse_add_paren, code = "", style = "hidden", style = "normal")] - | ^^^^^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "", style = "hidden", style = "normal")] + | ^^^^^^^^^^^^^^^^ error: `#[suggestion_hidden(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:755:1 + --> $DIR/subdiagnostic-derive.rs:757:1 | -LL | #[suggestion_hidden(parse_add_paren, code = "")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion_hidden(no_crate_example, code = "")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: Use `#[suggestion(..., style = "hidden")]` instead error: `#[suggestion_hidden(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:763:1 + --> $DIR/subdiagnostic-derive.rs:765:1 | -LL | #[suggestion_hidden(parse_add_paren, code = "", style = "normal")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion_hidden(no_crate_example, code = "", style = "normal")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: Use `#[suggestion(..., style = "hidden")]` instead error: invalid suggestion style - --> $DIR/subdiagnostic-derive.rs:771:50 + --> $DIR/subdiagnostic-derive.rs:773:51 | -LL | #[suggestion(parse_add_paren, code = "", style = "foo")] - | ^^^^^ +LL | #[suggestion(no_crate_example, code = "", style = "foo")] + | ^^^^^ | = help: valid styles are `normal`, `short`, `hidden`, `verbose` and `tool-only` error: `#[suggestion(style = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:779:42 + --> $DIR/subdiagnostic-derive.rs:781:43 | -LL | #[suggestion(parse_add_paren, code = "", style = 42)] - | ^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "", style = 42)] + | ^^^^^^^^^^ error: `#[suggestion(style)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:787:42 + --> $DIR/subdiagnostic-derive.rs:789:43 | -LL | #[suggestion(parse_add_paren, code = "", style)] - | ^^^^^ +LL | #[suggestion(no_crate_example, code = "", style)] + | ^^^^^ | = help: a diagnostic slug must be the first argument to the attribute error: `#[suggestion(style(...))]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:795:42 + --> $DIR/subdiagnostic-derive.rs:797:43 | -LL | #[suggestion(parse_add_paren, code = "", style("foo"))] - | ^^^^^^^^^^^^ +LL | #[suggestion(no_crate_example, code = "", style("foo"))] + | ^^^^^^^^^^^^ error: `#[primary_span]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:806:5 + --> $DIR/subdiagnostic-derive.rs:808:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ @@ -511,9 +511,9 @@ LL | #[primary_span] = help: to create a suggestion with multiple spans, use `#[multipart_suggestion]` instead error: suggestion without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:803:1 + --> $DIR/subdiagnostic-derive.rs:805:1 | -LL | / #[suggestion(parse_add_paren, code = "")] +LL | / #[suggestion(no_crate_example, code = "")] LL | | LL | | struct PrimarySpanOnVec { LL | | #[primary_span] @@ -523,64 +523,64 @@ LL | | } | |_^ error: cannot find attribute `foo` in this scope - --> $DIR/subdiagnostic-derive.rs:63:3 + --> $DIR/subdiagnostic-derive.rs:65:3 | LL | #[foo] | ^^^ error: cannot find attribute `foo` in this scope - --> $DIR/subdiagnostic-derive.rs:159:3 + --> $DIR/subdiagnostic-derive.rs:161:3 | LL | #[foo] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:173:7 + --> $DIR/subdiagnostic-derive.rs:175:7 | LL | #[bar] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:185:7 + --> $DIR/subdiagnostic-derive.rs:187:7 | LL | #[bar = "..."] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:197:7 + --> $DIR/subdiagnostic-derive.rs:199:7 | LL | #[bar = 4] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:209:7 + --> $DIR/subdiagnostic-derive.rs:211:7 | LL | #[bar("...")] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:270:7 + --> $DIR/subdiagnostic-derive.rs:272:7 | LL | #[bar] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:281:7 + --> $DIR/subdiagnostic-derive.rs:283:7 | LL | #[bar = "..."] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:292:7 + --> $DIR/subdiagnostic-derive.rs:294:7 | LL | #[bar("...")] | ^^^ -error[E0425]: cannot find value `slug` in module `rustc_errors::fluent` - --> $DIR/subdiagnostic-derive.rs:122:9 +error[E0425]: cannot find value `slug` in module `crate::fluent_generated` + --> $DIR/subdiagnostic-derive.rs:124:9 | LL | #[label(slug)] - | ^^^^ not found in `rustc_errors::fluent` + | ^^^^ not found in `crate::fluent_generated` error: aborting due to 81 previous errors diff --git a/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr b/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr index d1b9d7a40b4..eb739b149a1 100644 --- a/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr +++ b/tests/ui/alloc-error/alloc-error-handler-bad-signature-3.stderr @@ -7,10 +7,7 @@ LL | fn oom() -> ! { | _-^^^^^^^^^^^^ LL | | loop {} LL | | } - | | - - | | | - | |_unexpected argument of type `core::alloc::Layout` - | help: remove the extra argument + | |_- unexpected argument of type `core::alloc::Layout` | note: function defined here --> $DIR/alloc-error-handler-bad-signature-3.rs:10:4 diff --git a/tests/ui/argument-suggestions/extra_arguments.rs b/tests/ui/argument-suggestions/extra_arguments.rs index 3f83de95e2d..1442062326d 100644 --- a/tests/ui/argument-suggestions/extra_arguments.rs +++ b/tests/ui/argument-suggestions/extra_arguments.rs @@ -3,8 +3,15 @@ fn one_arg(_a: i32) {} fn two_arg_same(_a: i32, _b: i32) {} fn two_arg_diff(_a: i32, _b: &str) {} +macro_rules! foo { + ($x:expr) => { + empty($x, 1); //~ ERROR function takes + } +} + fn main() { empty(""); //~ ERROR function takes + empty(1, 1); //~ ERROR function takes one_arg(1, 1); //~ ERROR function takes one_arg(1, ""); //~ ERROR function takes @@ -32,4 +39,5 @@ fn main() { 1, "" ); + foo!(1); } diff --git a/tests/ui/argument-suggestions/extra_arguments.stderr b/tests/ui/argument-suggestions/extra_arguments.stderr index 0911685b428..11c71099743 100644 --- a/tests/ui/argument-suggestions/extra_arguments.stderr +++ b/tests/ui/argument-suggestions/extra_arguments.stderr @@ -1,5 +1,5 @@ error[E0061]: this function takes 0 arguments but 1 argument was supplied - --> $DIR/extra_arguments.rs:7:3 + --> $DIR/extra_arguments.rs:13:3 | LL | empty(""); | ^^^^^ -- @@ -13,8 +13,27 @@ note: function defined here LL | fn empty() {} | ^^^^^ +error[E0061]: this function takes 0 arguments but 2 arguments were supplied + --> $DIR/extra_arguments.rs:14:3 + | +LL | empty(1, 1); + | ^^^^^ - - unexpected argument of type `{integer}` + | | + | unexpected argument of type `{integer}` + | +note: function defined here + --> $DIR/extra_arguments.rs:1:4 + | +LL | fn empty() {} + | ^^^^^ +help: remove the extra arguments + | +LL - empty(1, 1); +LL + empty(); + | + error[E0061]: this function takes 1 argument but 2 arguments were supplied - --> $DIR/extra_arguments.rs:9:3 + --> $DIR/extra_arguments.rs:16:3 | LL | one_arg(1, 1); | ^^^^^^^ --- @@ -29,7 +48,7 @@ LL | fn one_arg(_a: i32) {} | ^^^^^^^ ------- error[E0061]: this function takes 1 argument but 2 arguments were supplied - --> $DIR/extra_arguments.rs:10:3 + --> $DIR/extra_arguments.rs:17:3 | LL | one_arg(1, ""); | ^^^^^^^ ---- @@ -44,7 +63,7 @@ LL | fn one_arg(_a: i32) {} | ^^^^^^^ ------- error[E0061]: this function takes 1 argument but 3 arguments were supplied - --> $DIR/extra_arguments.rs:11:3 + --> $DIR/extra_arguments.rs:18:3 | LL | one_arg(1, "", 1.0); | ^^^^^^^ -- --- unexpected argument of type `{float}` @@ -63,7 +82,7 @@ LL + one_arg(1); | error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:13:3 + --> $DIR/extra_arguments.rs:20:3 | LL | two_arg_same(1, 1, 1); | ^^^^^^^^^^^^ --- @@ -78,7 +97,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:14:3 + --> $DIR/extra_arguments.rs:21:3 | LL | two_arg_same(1, 1, 1.0); | ^^^^^^^^^^^^ ----- @@ -93,7 +112,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:16:3 + --> $DIR/extra_arguments.rs:23:3 | LL | two_arg_diff(1, 1, ""); | ^^^^^^^^^^^^ --- @@ -108,7 +127,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:17:3 + --> $DIR/extra_arguments.rs:24:3 | LL | two_arg_diff(1, "", ""); | ^^^^^^^^^^^^ ---- @@ -123,7 +142,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- error[E0061]: this function takes 2 arguments but 4 arguments were supplied - --> $DIR/extra_arguments.rs:18:3 + --> $DIR/extra_arguments.rs:25:3 | LL | two_arg_diff(1, 1, "", ""); | ^^^^^^^^^^^^ - -- unexpected argument of type `&'static str` @@ -142,7 +161,7 @@ LL + two_arg_diff(1, ""); | error[E0061]: this function takes 2 arguments but 4 arguments were supplied - --> $DIR/extra_arguments.rs:19:3 + --> $DIR/extra_arguments.rs:26:3 | LL | two_arg_diff(1, "", 1, ""); | ^^^^^^^^^^^^ - -- unexpected argument of type `&'static str` @@ -161,7 +180,7 @@ LL + two_arg_diff(1, ""); | error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:22:3 + --> $DIR/extra_arguments.rs:29:3 | LL | two_arg_same(1, 1, ""); | ^^^^^^^^^^^^ -------- @@ -176,7 +195,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:23:3 + --> $DIR/extra_arguments.rs:30:3 | LL | two_arg_diff(1, 1, ""); | ^^^^^^^^^^^^ --- @@ -191,7 +210,7 @@ LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:24:3 + --> $DIR/extra_arguments.rs:31:3 | LL | two_arg_same( | ^^^^^^^^^^^^ @@ -211,7 +230,7 @@ LL | fn two_arg_same(_a: i32, _b: i32) {} | ^^^^^^^^^^^^ ------- ------- error[E0061]: this function takes 2 arguments but 3 arguments were supplied - --> $DIR/extra_arguments.rs:30:3 + --> $DIR/extra_arguments.rs:37:3 | LL | two_arg_diff( | ^^^^^^^^^^^^ @@ -229,6 +248,26 @@ note: function defined here LL | fn two_arg_diff(_a: i32, _b: &str) {} | ^^^^^^^^^^^^ ------- -------- -error: aborting due to 14 previous errors +error[E0061]: this function takes 0 arguments but 2 arguments were supplied + --> $DIR/extra_arguments.rs:8:9 + | +LL | empty($x, 1); + | ^^^^^ - unexpected argument of type `{integer}` +... +LL | foo!(1); + | ------- + | | | + | | unexpected argument of type `{integer}` + | | help: remove the extra argument + | in this macro invocation + | +note: function defined here + --> $DIR/extra_arguments.rs:1:4 + | +LL | fn empty() {} + | ^^^^^ + = note: this error originates in the macro `foo` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to 16 previous errors For more information about this error, try `rustc --explain E0061`. diff --git a/tests/ui/argument-suggestions/issue-100154.stderr b/tests/ui/argument-suggestions/issue-100154.stderr index 1499229c3ce..2504f616fb7 100644 --- a/tests/ui/argument-suggestions/issue-100154.stderr +++ b/tests/ui/argument-suggestions/issue-100154.stderr @@ -1,4 +1,4 @@ -error[E0107]: this function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: function takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-100154.rs:4:5 | LL | foo::<()>(()); diff --git a/tests/ui/argument-suggestions/too-long.stderr b/tests/ui/argument-suggestions/too-long.stderr index 4928943294b..bb6f06a35c6 100644 --- a/tests/ui/argument-suggestions/too-long.stderr +++ b/tests/ui/argument-suggestions/too-long.stderr @@ -6,7 +6,7 @@ LL | qux.foo(a, b, c, d, e, f, g, h, i, j, k, l); | | | arguments to this method are incorrect | -note: associated function defined here +note: method defined here --> $DIR/too-long.rs:4:8 | LL | fn foo( diff --git a/tests/ui/associated-consts/issue-105330.stderr b/tests/ui/associated-consts/issue-105330.stderr index 08570d4a5d9..bbafc55dac3 100644 --- a/tests/ui/associated-consts/issue-105330.stderr +++ b/tests/ui/associated-consts/issue-105330.stderr @@ -33,7 +33,7 @@ LL | fn main<A: TraitWAssocConst<A=32>>() { = note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl header +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers --> $DIR/issue-105330.rs:6:27 | LL | impl TraitWAssocConst for impl Demo { diff --git a/tests/ui/associated-inherent-types/ambiguity.rs b/tests/ui/associated-inherent-types/ambiguity.rs new file mode 100644 index 00000000000..73920555b3e --- /dev/null +++ b/tests/ui/associated-inherent-types/ambiguity.rs @@ -0,0 +1,16 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Wrapper<T>(T); + +impl Wrapper<i32> { + type Foo = i32; +} + +impl Wrapper<()> { + type Foo = (); +} + +fn main() { + let _: Wrapper<_>::Foo = (); //~ ERROR multiple applicable items in scope +} diff --git a/tests/ui/associated-inherent-types/ambiguity.stderr b/tests/ui/associated-inherent-types/ambiguity.stderr new file mode 100644 index 00000000000..155c296cbb3 --- /dev/null +++ b/tests/ui/associated-inherent-types/ambiguity.stderr @@ -0,0 +1,20 @@ +error[E0034]: multiple applicable items in scope + --> $DIR/ambiguity.rs:15:24 + | +LL | let _: Wrapper<_>::Foo = (); + | ^^^ multiple `Foo` found + | +note: candidate #1 is defined in an impl for the type `Wrapper<i32>` + --> $DIR/ambiguity.rs:7:5 + | +LL | type Foo = i32; + | ^^^^^^^^ +note: candidate #2 is defined in an impl for the type `Wrapper<()>` + --> $DIR/ambiguity.rs:11:5 + | +LL | type Foo = (); + | ^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0034`. diff --git a/tests/ui/associated-inherent-types/bugs/ice-substitution.rs b/tests/ui/associated-inherent-types/bugs/ice-substitution.rs new file mode 100644 index 00000000000..53ac79e0561 --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/ice-substitution.rs @@ -0,0 +1,23 @@ +// known-bug: unknown +// failure-status: 101 +// normalize-stderr-test "note: .*\n\n" -> "" +// normalize-stderr-test "thread 'rustc' panicked.*\n" -> "" +// rustc-env:RUST_BACKTRACE=0 + +// FIXME: I presume a type variable that couldn't be solved by `resolve_vars_if_possible` +// escapes the InferCtxt snapshot. + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Cont<T>(T); + +impl<T: Copy> Cont<T> { + type Out = Vec<T>; +} + +pub fn weird<T: Copy>(x: T) { + let _: Cont<_>::Out = vec![true]; +} + +fn main() {} diff --git a/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr b/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr new file mode 100644 index 00000000000..7b0d1c50516 --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr @@ -0,0 +1,6 @@ +error: the compiler unexpectedly panicked. this is a bug. + +query stack during panic: +#0 [typeck] type-checking `weird` +#1 [typeck_item_bodies] type-checking all item bodies +end of query stack diff --git a/tests/ui/associated-inherent-types/bugs/inference-fail.rs b/tests/ui/associated-inherent-types/bugs/inference-fail.rs new file mode 100644 index 00000000000..a920b412b1a --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/inference-fail.rs @@ -0,0 +1,15 @@ +// known-bug: unknown + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct S<T>(T); + +impl S<()> { + type P = i128; +} + +fn main() { + // We fail to infer `_ == ()` here. + let _: S<_>::P; +} diff --git a/tests/ui/associated-inherent-types/bugs/inference-fail.stderr b/tests/ui/associated-inherent-types/bugs/inference-fail.stderr new file mode 100644 index 00000000000..425691bd6c4 --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/inference-fail.stderr @@ -0,0 +1,9 @@ +error[E0282]: type annotations needed + --> $DIR/inference-fail.rs:14:14 + | +LL | let _: S<_>::P; + | ^ cannot infer type + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs b/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs new file mode 100644 index 00000000000..632dbf3854b --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs @@ -0,0 +1,19 @@ +// known-bug: unknown +// check-pass + +// We currently don't region-check inherent associated type projections at all. + +#![feature(inherent_associated_types)] +#![allow(incomplete_features, dead_code)] + +struct S<T>(T); + +impl S<&'static ()> { + type T = (); +} + +fn usr<'a>() { + let _: S::<&'a ()>::T; // this should *fail* but it doesn't! +} + +fn main() {} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs new file mode 100644 index 00000000000..f846bfa4168 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs @@ -0,0 +1,41 @@ +// check-pass + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +// Check that inherent associated types are dispatched on the concrete Self type. + +struct Select<T>(T); + +impl Select<u8> { + type Projection = (); +} + +impl Select<String> { + type Projection = bool; +} + +struct Choose<T>(T); +struct NonCopy; + +impl<T: Copy> Choose<T> { + type Result = Vec<T>; +} + +impl Choose<NonCopy> { + type Result = (); +} + +fn main() { + let _: Select<String>::Projection = false; + let _: Select<u8>::Projection = (); + + let _: Choose<NonCopy>::Result = (); + let _: Choose<bool>::Result = vec![true]; +} + +// Test if we use the correct `ParamEnv` when proving obligations. + +pub fn parameterized<T: Copy>(x: T) { + let _: Choose<T>::Result = vec![x]; +} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-1.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-1.rs new file mode 100644 index 00000000000..9b0fa8dc6f3 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-1.rs @@ -0,0 +1,39 @@ +// check-pass + +#![feature(inherent_associated_types, auto_traits, negative_impls)] +#![allow(incomplete_features)] + +use std::cmp::Ordering; + +// Check that inherent associated types are dispatched on the concrete Self type. + +struct Select<T, U>(T, U); + +impl<T: Ordinary, U: Ordinary> Select<T, U> { + type Type = (); +} + +impl<T: Ordinary> Select<T, Special> { + type Type = bool; +} + +impl<T: Ordinary> Select<Special, T> { + type Type = Ordering; +} + +impl Select<Special, Special> { + type Type = (bool, bool); +} + +fn main() { + let _: Select<String, Special>::Type = false; + let _: Select<Special, Special>::Type = (true, false); + let _: Select<Special, u8>::Type = Ordering::Equal; + let _: Select<i128, ()>::Type = (); +} + +enum Special {} + +impl !Ordinary for Special {} + +auto trait Ordinary {} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-2.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.rs new file mode 100644 index 00000000000..7b205952f52 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.rs @@ -0,0 +1,17 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Parameterized<T, U>(T, U); + +impl Parameterized<(), ()> { + type Output = bool; +} + +impl<T> Parameterized<bool, T> { + type Result = T; +} + +fn main() { + let _: Parameterized<(), ()>::Output = String::new(); //~ ERROR mismatched types + let _: Parameterized<bool, u32>::Result = (); //~ ERROR mismatched types +} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-2.stderr b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.stderr new file mode 100644 index 00000000000..c9a48872af4 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.stderr @@ -0,0 +1,19 @@ +error[E0308]: mismatched types + --> $DIR/dispatch-on-self-type-2.rs:15:44 + | +LL | let _: Parameterized<(), ()>::Output = String::new(); + | ----------------------------- ^^^^^^^^^^^^^ expected `bool`, found `String` + | | + | expected due to this + +error[E0308]: mismatched types + --> $DIR/dispatch-on-self-type-2.rs:16:47 + | +LL | let _: Parameterized<bool, u32>::Result = (); + | -------------------------------- ^^ expected `u32`, found `()` + | | + | expected due to this + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.rs b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.rs new file mode 100644 index 00000000000..d2efb24c666 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.rs @@ -0,0 +1,31 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +// Check that it's okay to report “[inherent] associated type […] not found” for inherent associated +// type candidates that are not applicable (due to unsuitable Self type) even if there exists a +// “shadowed” associated type from a trait with the same name since its use would be ambiguous +// anyway if the IAT didn't exist. +// FIXME(inherent_associated_types): Figure out which error would be more helpful here. + +// revisions: shadowed uncovered + +struct S<T>(T); + +trait Tr { + type Pr; +} + +impl<T> Tr for S<T> { + type Pr = (); +} + +#[cfg(shadowed)] +impl S<()> { + type Pr = i32; +} + +fn main() { + let _: S::<bool>::Pr = (); + //[shadowed]~^ ERROR associated type `Pr` not found + //[uncovered]~^^ ERROR ambiguous associated type +} diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.shadowed.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.shadowed.stderr new file mode 100644 index 00000000000..3561db354c0 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.shadowed.stderr @@ -0,0 +1,15 @@ +error[E0220]: associated type `Pr` not found for `S<bool>` in the current scope + --> $DIR/not-found-self-type-differs-shadowing-trait-item.rs:28:23 + | +LL | struct S<T>(T); + | ----------- associated item `Pr` not found for this struct +... +LL | let _: S::<bool>::Pr = (); + | ^^ associated item not found in `S<bool>` + | + = note: the associated type was found for + - `S<()>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.uncovered.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.uncovered.stderr new file mode 100644 index 00000000000..88c72042ce2 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.uncovered.stderr @@ -0,0 +1,9 @@ +error[E0223]: ambiguous associated type + --> $DIR/not-found-self-type-differs-shadowing-trait-item.rs:28:12 + | +LL | let _: S::<bool>::Pr = (); + | ^^^^^^^^^^^^^ help: use the fully-qualified path: `<S<bool> as Tr>::Pr` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0223`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs.alias.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs.alias.stderr new file mode 100644 index 00000000000..4396435a6dd --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs.alias.stderr @@ -0,0 +1,16 @@ +error[E0220]: associated type `Proj` not found for `Family<Option<()>>` in the current scope + --> $DIR/not-found-self-type-differs.rs:17:34 + | +LL | struct Family<T>(T); + | ---------------- associated item `Proj` not found for this struct +... +LL | type Alias = Family<Option<()>>::Proj; + | ^^^^ associated item not found in `Family<Option<()>>` + | + = note: the associated type was found for + - `Family<()>` + - `Family<Result<T, ()>>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs.local.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs.local.stderr new file mode 100644 index 00000000000..d527db02217 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs.local.stderr @@ -0,0 +1,16 @@ +error[E0220]: associated type `Proj` not found for `Family<PathBuf>` in the current scope + --> $DIR/not-found-self-type-differs.rs:21:40 + | +LL | struct Family<T>(T); + | ---------------- associated item `Proj` not found for this struct +... +LL | let _: Family<std::path::PathBuf>::Proj = (); + | ^^^^ associated item not found in `Family<PathBuf>` + | + = note: the associated type was found for + - `Family<()>` + - `Family<Result<T, ()>>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs.rs b/tests/ui/associated-inherent-types/not-found-self-type-differs.rs new file mode 100644 index 00000000000..93f58dcb6e6 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs.rs @@ -0,0 +1,22 @@ +// revisions: local alias + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Family<T>(T); + +impl Family<()> { + type Proj = (); +} + +impl<T> Family<Result<T, ()>> { + type Proj = Self; +} + +#[cfg(alias)] +type Alias = Family<Option<()>>::Proj; //[alias]~ ERROR associated type `Proj` not found for `Family<Option<()>>` + +fn main() { + #[cfg(local)] + let _: Family<std::path::PathBuf>::Proj = (); //[local]~ ERROR associated type `Proj` not found for `Family<PathBuf>` +} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.rs b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.rs new file mode 100644 index 00000000000..b00830fa1c1 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.rs @@ -0,0 +1,21 @@ +// Regression test for issue #104251. + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Container<T: ?Sized>(T); + +impl<T> Container<T> { + type Yield = i32; +} + +struct Duple<T, U>(T, U); + +impl<T: Copy, U: Send> Duple<T, U> { + type Combination = (T, U); +} + +fn main() { + let _: Container<[u8]>::Yield = 1; //~ ERROR the associated type `Yield` exists for `Container<[u8]>`, but its trait bounds were not satisfied + let _: Duple<String, std::rc::Rc<str>>::Combination; //~ ERROR the associated type `Combination` exists for `Duple<String, Rc<str>>`, but its trait bounds were not satisfied +} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.stderr b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.stderr new file mode 100644 index 00000000000..73657906761 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.stderr @@ -0,0 +1,27 @@ +error: the associated type `Yield` exists for `Container<[u8]>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-0.rs:19:29 + | +LL | struct Container<T: ?Sized>(T); + | --------------------------- associated item `Yield` not found for this struct +... +LL | let _: Container<[u8]>::Yield = 1; + | ^^^^^ associated type cannot be referenced on `Container<[u8]>` due to unsatisfied trait bounds + | + = note: the following trait bounds were not satisfied: + `[u8]: Sized` + +error: the associated type `Combination` exists for `Duple<String, Rc<str>>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-0.rs:20:45 + | +LL | struct Duple<T, U>(T, U); + | ------------------ associated item `Combination` not found for this struct +... +LL | let _: Duple<String, std::rc::Rc<str>>::Combination; + | ^^^^^^^^^^^ associated type cannot be referenced on `Duple<String, Rc<str>>` due to unsatisfied trait bounds + | + = note: the following trait bounds were not satisfied: + `Rc<str>: Send` + `String: Copy` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.rs b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.rs new file mode 100644 index 00000000000..c80b1364ae3 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.rs @@ -0,0 +1,18 @@ +// fail-check + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +// Test if we use the correct `ParamEnv` when proving obligations. + +fn parameterized<T>() { + let _: Container<T>::Proj = String::new(); //~ ERROR the associated type `Proj` exists for `Container<T>`, but its trait bounds were not satisfied +} + +struct Container<T>(T); + +impl<T: Clone> Container<T> { + type Proj = String; +} + +fn main() {} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.stderr b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.stderr new file mode 100644 index 00000000000..230bfa538b4 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.stderr @@ -0,0 +1,14 @@ +error: the associated type `Proj` exists for `Container<T>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-1.rs:9:26 + | +LL | let _: Container<T>::Proj = String::new(); + | ^^^^ associated type cannot be referenced on `Container<T>` due to unsatisfied trait bounds +... +LL | struct Container<T>(T); + | ------------------- associated item `Proj` not found for this struct + | + = note: the following trait bounds were not satisfied: + `T: Clone` + +error: aborting due to previous error + diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.rs b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.rs new file mode 100644 index 00000000000..5b0e8de9c58 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.rs @@ -0,0 +1,20 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct S<A, B>(A, B); +struct Featureless; + +trait One {} +trait Two {} + +impl<T: One> S<Featureless, T> { + type X = (); +} + +impl<T: Two> S<T, Featureless> { + type X = String; +} + +fn main() { + let _: S::<Featureless, Featureless>::X; //~ ERROR the associated type `X` exists for `S<Featureless, Featureless>`, but its trait bounds were not satisfied +} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr new file mode 100644 index 00000000000..3ddab25deb5 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr @@ -0,0 +1,20 @@ +error: the associated type `X` exists for `S<Featureless, Featureless>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-in-multiple-impls.rs:19:43 + | +LL | struct S<A, B>(A, B); + | -------------- associated item `X` not found for this struct +LL | struct Featureless; + | ------------------ + | | + | doesn't satisfy `Featureless: One` + | doesn't satisfy `Featureless: Two` +... +LL | let _: S::<Featureless, Featureless>::X; + | ^ associated type cannot be referenced on `S<Featureless, Featureless>` due to unsatisfied trait bounds + | + = note: the following trait bounds were not satisfied: + `Featureless: One` + `Featureless: Two` + +error: aborting due to previous error + diff --git a/tests/ui/associated-inherent-types/substitute-params-bad.rs b/tests/ui/associated-inherent-types/substitute-params-bad.rs new file mode 100644 index 00000000000..00eb1a14da4 --- /dev/null +++ b/tests/ui/associated-inherent-types/substitute-params-bad.rs @@ -0,0 +1,23 @@ +// Regression test for issue #105305 and for +// https://github.com/rust-lang/rust/issues/107468#issuecomment-1409096700 + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct S<T>(T); + +impl<T, 'a> S<T> { //~ ERROR lifetime parameters must be declared prior to type and const parameters + type P = T; +} + +struct Subj<T>(T); + +impl<T, S> Subj<(T, S)> { + type Un = (T, S); +} + +fn main() { + type A = S<()>::P; + + let _: Subj<(i32, i32)>::Un = 0i32; //~ ERROR mismatched types +} diff --git a/tests/ui/associated-inherent-types/substitute-params-bad.stderr b/tests/ui/associated-inherent-types/substitute-params-bad.stderr new file mode 100644 index 00000000000..7a7808ba67b --- /dev/null +++ b/tests/ui/associated-inherent-types/substitute-params-bad.stderr @@ -0,0 +1,20 @@ +error: lifetime parameters must be declared prior to type and const parameters + --> $DIR/substitute-params-bad.rs:9:9 + | +LL | impl<T, 'a> S<T> { + | ----^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, T>` + +error[E0308]: mismatched types + --> $DIR/substitute-params-bad.rs:22:35 + | +LL | let _: Subj<(i32, i32)>::Un = 0i32; + | -------------------- ^^^^ expected `(i32, i32)`, found `i32` + | | + | expected due to this + | + = note: expected tuple `(i32, i32)` + found type `i32` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/associated-inherent-types/struct-generics.rs b/tests/ui/associated-inherent-types/substitute-params.rs index 8952b379173..e94d6833159 100644 --- a/tests/ui/associated-inherent-types/struct-generics.rs +++ b/tests/ui/associated-inherent-types/substitute-params.rs @@ -9,7 +9,15 @@ impl<T> S<T> { type P = T; } +impl<T> S<(T,)> { + type Un = T; +} + fn main() { + // Regression test for issue #104240. type A = S<()>::P; let _: A = (); + + // Regression test for issue #107468. + let _: S<(i32,)>::Un = 0i32; } diff --git a/tests/ui/associated-type-bounds/bad-universal-in-dyn-in-where-clause.rs b/tests/ui/associated-type-bounds/bad-universal-in-dyn-in-where-clause.rs new file mode 100644 index 00000000000..8cab1f66c27 --- /dev/null +++ b/tests/ui/associated-type-bounds/bad-universal-in-dyn-in-where-clause.rs @@ -0,0 +1,14 @@ +#![feature(associated_type_bounds)] + +trait B { + type AssocType; +} + +fn f() +where + dyn for<'j> B<AssocType: 'j>:, + //~^ ERROR associated type bounds are only allowed in where clauses and function signatures +{ +} + +fn main() {} diff --git a/tests/ui/associated-type-bounds/bad-universal-in-dyn-in-where-clause.stderr b/tests/ui/associated-type-bounds/bad-universal-in-dyn-in-where-clause.stderr new file mode 100644 index 00000000000..6fa266d23d4 --- /dev/null +++ b/tests/ui/associated-type-bounds/bad-universal-in-dyn-in-where-clause.stderr @@ -0,0 +1,8 @@ +error: associated type bounds are only allowed in where clauses and function signatures, not in bounds + --> $DIR/bad-universal-in-dyn-in-where-clause.rs:9:19 + | +LL | dyn for<'j> B<AssocType: 'j>:, + | ^^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/associated-type-bounds/bad-universal-in-impl-sig.rs b/tests/ui/associated-type-bounds/bad-universal-in-impl-sig.rs new file mode 100644 index 00000000000..1d5d181efcc --- /dev/null +++ b/tests/ui/associated-type-bounds/bad-universal-in-impl-sig.rs @@ -0,0 +1,13 @@ +#![feature(associated_type_bounds)] + +trait Trait { + type Item; +} + +trait Trait2 {} + +// It's not possible to insert a universal `impl Trait` here! +impl dyn Trait<Item: Trait2> {} +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures + +fn main() {} diff --git a/tests/ui/associated-type-bounds/bad-universal-in-impl-sig.stderr b/tests/ui/associated-type-bounds/bad-universal-in-impl-sig.stderr new file mode 100644 index 00000000000..8b66627d57f --- /dev/null +++ b/tests/ui/associated-type-bounds/bad-universal-in-impl-sig.stderr @@ -0,0 +1,8 @@ +error: associated type bounds are only allowed in where clauses and function signatures, not in impl headers + --> $DIR/bad-universal-in-impl-sig.rs:10:16 + | +LL | impl dyn Trait<Item: Trait2> {} + | ^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/tests/ui/associated-type-bounds/inside-adt.rs b/tests/ui/associated-type-bounds/inside-adt.rs index 8eb8c44bb42..057966941dc 100644 --- a/tests/ui/associated-type-bounds/inside-adt.rs +++ b/tests/ui/associated-type-bounds/inside-adt.rs @@ -3,28 +3,24 @@ use std::mem::ManuallyDrop; struct S1 { f: dyn Iterator<Item: Copy> } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures struct S2 { f: Box<dyn Iterator<Item: Copy>> } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures struct S3 { f: dyn Iterator<Item: 'static> } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures enum E1 { V(dyn Iterator<Item: Copy>) } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions -//~| ERROR the size for values of type `(dyn Iterator<Item = impl Copy> + 'static)` +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures enum E2 { V(Box<dyn Iterator<Item: Copy>>) } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures enum E3 { V(dyn Iterator<Item: 'static>) } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions -//~| ERROR the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures union U1 { f: ManuallyDrop<dyn Iterator<Item: Copy>> } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions -//~| ERROR the size for values of type `(dyn Iterator<Item = impl Copy> + 'static)` +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures union U2 { f: ManuallyDrop<Box<dyn Iterator<Item: Copy>>> } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures union U3 { f: ManuallyDrop<dyn Iterator<Item: 'static>> } -//~^ ERROR associated type bounds are not allowed within structs, enums, or unions -//~| ERROR the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` +//~^ ERROR associated type bounds are only allowed in where clauses and function signatures fn main() {} diff --git a/tests/ui/associated-type-bounds/inside-adt.stderr b/tests/ui/associated-type-bounds/inside-adt.stderr index 1668b613b25..f848bd798ee 100644 --- a/tests/ui/associated-type-bounds/inside-adt.stderr +++ b/tests/ui/associated-type-bounds/inside-adt.stderr @@ -1,131 +1,56 @@ -error: associated type bounds are not allowed within structs, enums, or unions +error: associated type bounds are only allowed in where clauses and function signatures, not in field types --> $DIR/inside-adt.rs:5:29 | LL | struct S1 { f: dyn Iterator<Item: Copy> } | ^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions +error: associated type bounds are only allowed in where clauses and function signatures, not in field types --> $DIR/inside-adt.rs:7:33 | LL | struct S2 { f: Box<dyn Iterator<Item: Copy>> } | ^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions +error: associated type bounds are only allowed in where clauses and function signatures, not in field types --> $DIR/inside-adt.rs:9:29 | LL | struct S3 { f: dyn Iterator<Item: 'static> } | ^^^^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions +error: associated type bounds are only allowed in where clauses and function signatures, not in field types --> $DIR/inside-adt.rs:12:26 | LL | enum E1 { V(dyn Iterator<Item: Copy>) } | ^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions - --> $DIR/inside-adt.rs:15:30 +error: associated type bounds are only allowed in where clauses and function signatures, not in field types + --> $DIR/inside-adt.rs:14:30 | LL | enum E2 { V(Box<dyn Iterator<Item: Copy>>) } | ^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions - --> $DIR/inside-adt.rs:17:26 +error: associated type bounds are only allowed in where clauses and function signatures, not in field types + --> $DIR/inside-adt.rs:16:26 | LL | enum E3 { V(dyn Iterator<Item: 'static>) } | ^^^^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions - --> $DIR/inside-adt.rs:21:41 +error: associated type bounds are only allowed in where clauses and function signatures, not in field types + --> $DIR/inside-adt.rs:19:41 | LL | union U1 { f: ManuallyDrop<dyn Iterator<Item: Copy>> } | ^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions - --> $DIR/inside-adt.rs:24:45 +error: associated type bounds are only allowed in where clauses and function signatures, not in field types + --> $DIR/inside-adt.rs:21:45 | LL | union U2 { f: ManuallyDrop<Box<dyn Iterator<Item: Copy>>> } | ^^^^^^^^^^ -error: associated type bounds are not allowed within structs, enums, or unions - --> $DIR/inside-adt.rs:26:41 +error: associated type bounds are only allowed in where clauses and function signatures, not in field types + --> $DIR/inside-adt.rs:23:41 | LL | union U3 { f: ManuallyDrop<dyn Iterator<Item: 'static>> } | ^^^^^^^^^^^^^ -error[E0277]: the size for values of type `(dyn Iterator<Item = impl Copy> + 'static)` cannot be known at compilation time - --> $DIR/inside-adt.rs:12:13 - | -LL | enum E1 { V(dyn Iterator<Item: Copy>) } - | ^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | - = help: the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Copy> + 'static)` - = note: no field of an enum variant may have a dynamically sized type - = help: change the field's type to have a statically known size -help: borrowed types always have a statically known size - | -LL | enum E1 { V(&dyn Iterator<Item: Copy>) } - | + -help: the `Box` type always has a statically known size and allocates its contents in the heap - | -LL | enum E1 { V(Box<dyn Iterator<Item: Copy>>) } - | ++++ + - -error[E0277]: the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` cannot be known at compilation time - --> $DIR/inside-adt.rs:17:13 - | -LL | enum E3 { V(dyn Iterator<Item: 'static>) } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | - = help: the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Sized + 'static> + 'static)` - = note: no field of an enum variant may have a dynamically sized type - = help: change the field's type to have a statically known size -help: borrowed types always have a statically known size - | -LL | enum E3 { V(&dyn Iterator<Item: 'static>) } - | + -help: the `Box` type always has a statically known size and allocates its contents in the heap - | -LL | enum E3 { V(Box<dyn Iterator<Item: 'static>>) } - | ++++ + - -error[E0277]: the size for values of type `(dyn Iterator<Item = impl Copy> + 'static)` cannot be known at compilation time - --> $DIR/inside-adt.rs:21:15 - | -LL | union U1 { f: ManuallyDrop<dyn Iterator<Item: Copy>> } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | - = help: within `ManuallyDrop<(dyn Iterator<Item = impl Copy> + 'static)>`, the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Copy> + 'static)` - = note: required because it appears within the type `ManuallyDrop<dyn Iterator<Item = impl Copy>>` - = note: no field of a union may have a dynamically sized type - = help: change the field's type to have a statically known size -help: borrowed types always have a statically known size - | -LL | union U1 { f: &ManuallyDrop<dyn Iterator<Item: Copy>> } - | + -help: the `Box` type always has a statically known size and allocates its contents in the heap - | -LL | union U1 { f: Box<ManuallyDrop<dyn Iterator<Item: Copy>>> } - | ++++ + - -error[E0277]: the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` cannot be known at compilation time - --> $DIR/inside-adt.rs:26:15 - | -LL | union U3 { f: ManuallyDrop<dyn Iterator<Item: 'static>> } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time - | - = help: within `ManuallyDrop<(dyn Iterator<Item = impl Sized + 'static> + 'static)>`, the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Sized + 'static> + 'static)` - = note: required because it appears within the type `ManuallyDrop<dyn Iterator<Item = impl Sized>>` - = note: no field of a union may have a dynamically sized type - = help: change the field's type to have a statically known size -help: borrowed types always have a statically known size - | -LL | union U3 { f: &ManuallyDrop<dyn Iterator<Item: 'static>> } - | + -help: the `Box` type always has a statically known size and allocates its contents in the heap - | -LL | union U3 { f: Box<ManuallyDrop<dyn Iterator<Item: 'static>>> } - | ++++ + - -error: aborting due to 13 previous errors +error: aborting due to 9 previous errors -For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/associated-types/associated-type-projection-from-supertrait.stderr b/tests/ui/associated-types/associated-type-projection-from-supertrait.stderr index 5fe53a27eb8..3f3bf22b0c4 100644 --- a/tests/ui/associated-types/associated-type-projection-from-supertrait.stderr +++ b/tests/ui/associated-types/associated-type-projection-from-supertrait.stderr @@ -34,7 +34,7 @@ LL | fn f() { ModelT.chip_paint(Blue); } | | | arguments to this method are incorrect | -note: associated function defined here +note: method defined here --> $DIR/associated-type-projection-from-supertrait.rs:12:8 | LL | fn chip_paint(&self, c: Self::Color) { } @@ -48,7 +48,7 @@ LL | fn g() { ModelU.chip_paint(Black); } | | | arguments to this method are incorrect | -note: associated function defined here +note: method defined here --> $DIR/associated-type-projection-from-supertrait.rs:12:8 | LL | fn chip_paint(&self, c: Self::Color) { } diff --git a/tests/ui/associated-types/associated-types-eq-hr.stderr b/tests/ui/associated-types/associated-types-eq-hr.stderr index 99db0c1bf3b..3e1142d5d95 100644 --- a/tests/ui/associated-types/associated-types-eq-hr.stderr +++ b/tests/ui/associated-types/associated-types-eq-hr.stderr @@ -15,7 +15,7 @@ note: required by a bound in `foo` --> $DIR/associated-types-eq-hr.rs:45:36 | LL | fn foo<T>() - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | T: for<'x> TheTrait<&'x isize, A = &'x isize>, | ^^^^^^^^^^^^^ required by this bound in `foo` @@ -37,7 +37,7 @@ note: required by a bound in `bar` --> $DIR/associated-types-eq-hr.rs:52:36 | LL | fn bar<T>() - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | T: for<'x> TheTrait<&'x isize, A = &'x usize>, | ^^^^^^^^^^^^^ required by this bound in `bar` diff --git a/tests/ui/associated-types/defaults-suitability.stderr b/tests/ui/associated-types/defaults-suitability.stderr index eadad4cd572..2485758757b 100644 --- a/tests/ui/associated-types/defaults-suitability.stderr +++ b/tests/ui/associated-types/defaults-suitability.stderr @@ -27,7 +27,7 @@ LL | Self::Ty: Clone, | ^^^^^ required by this bound in `Tr2::Ty` LL | { LL | type Ty = NotClone; - | -- required by a bound in this + | -- required by a bound in this associated type help: consider annotating `NotClone` with `#[derive(Clone)]` | LL | #[derive(Clone)] @@ -75,7 +75,7 @@ LL | Self::Assoc: IsU8<Self::Assoc>, | ^^^^^^^^^^^^^^^^^ required by this bound in `D::Assoc` ... LL | type Assoc = NotClone; - | ----- required by a bound in this + | ----- required by a bound in this associated type error[E0277]: the trait bound `<Self as Foo2<T>>::Baz: Clone` is not satisfied --> $DIR/defaults-suitability.rs:65:23 @@ -124,7 +124,7 @@ LL | Self::Baz: Clone, | ^^^^^ required by this bound in `Foo3::Baz` ... LL | type Baz = T; - | --- required by a bound in this + | --- required by a bound in this associated type help: consider further restricting type parameter `T` | LL | Self::Baz: Clone, T: std::clone::Clone diff --git a/tests/ui/associated-types/hr-associated-type-bound-1.stderr b/tests/ui/associated-types/hr-associated-type-bound-1.stderr index 73b5e1053fb..b380a1b6f06 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-1.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-1.stderr @@ -9,7 +9,7 @@ note: required by a bound in `X` --> $DIR/hr-associated-type-bound-1.rs:3:33 | LL | trait X<'a> - | - required by a bound in this + | - required by a bound in this trait LL | where LL | for<'b> <Self as X<'b>>::U: Clone, | ^^^^^ required by this bound in `X` diff --git a/tests/ui/associated-types/hr-associated-type-bound-object.stderr b/tests/ui/associated-types/hr-associated-type-bound-object.stderr index 6d19186bde4..a0a6f76a583 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-object.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-object.stderr @@ -8,7 +8,7 @@ note: required by a bound in `X` --> $DIR/hr-associated-type-bound-object.rs:3:33 | LL | trait X<'a> - | - required by a bound in this + | - required by a bound in this trait LL | where LL | for<'b> <Self as X<'b>>::U: Clone, | ^^^^^ required by this bound in `X` diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr index af2e616896a..e249f2e0c27 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-1.stderr @@ -9,7 +9,7 @@ note: required by a bound in `Y` --> $DIR/hr-associated-type-bound-param-1.rs:4:36 | LL | trait Y<'a, T: ?Sized> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <Self as Y<'b, T>>::V: Clone, | ^^^^^ required by this bound in `Y` diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr index 52294f8c94a..366670269d7 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-2.stderr @@ -9,7 +9,7 @@ note: required by a bound in `Z` --> $DIR/hr-associated-type-bound-param-2.rs:6:35 | LL | trait Z<'a, T: ?Sized> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <T as Z<'b, u16>>::W: Clone, | ^^^^^ required by this bound in `Z` @@ -25,7 +25,7 @@ note: required by a bound in `Z` --> $DIR/hr-associated-type-bound-param-2.rs:6:35 | LL | trait Z<'a, T: ?Sized> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <T as Z<'b, u16>>::W: Clone, | ^^^^^ required by this bound in `Z` @@ -41,7 +41,7 @@ note: required by a bound in `Z` --> $DIR/hr-associated-type-bound-param-2.rs:6:35 | LL | trait Z<'a, T: ?Sized> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <T as Z<'b, u16>>::W: Clone, | ^^^^^ required by this bound in `Z` diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr index 84d5e0494cb..f49439d3573 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-3.stderr @@ -9,7 +9,7 @@ note: required by a bound in `X` --> $DIR/hr-associated-type-bound-param-3.rs:4:33 | LL | trait X<'a, T> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <T as X<'b, T>>::U: Clone, | ^^^^^ required by this bound in `X` diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr index ee1d5d32495..f8733b423d7 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-4.stderr @@ -9,7 +9,7 @@ note: required by a bound in `X` --> $DIR/hr-associated-type-bound-param-4.rs:4:36 | LL | trait X<'a, T> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <(T,) as X<'b, T>>::U: Clone, | ^^^^^ required by this bound in `X` diff --git a/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr b/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr index ece3151ba97..aae80a9b2e1 100644 --- a/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr +++ b/tests/ui/associated-types/hr-associated-type-bound-param-5.stderr @@ -9,7 +9,7 @@ note: required by a bound in `X` --> $DIR/hr-associated-type-bound-param-5.rs:17:45 | LL | trait X<'a, T: Cycle + for<'b> X<'b, T>> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone, | ^^^^^ required by this bound in `X` @@ -25,7 +25,7 @@ note: required by a bound in `X` --> $DIR/hr-associated-type-bound-param-5.rs:17:45 | LL | trait X<'a, T: Cycle + for<'b> X<'b, T>> - | - required by a bound in this + | - required by a bound in this trait ... LL | for<'b> <T::Next as X<'b, T::Next>>::U: Clone, | ^^^^^ required by this bound in `X` diff --git a/tests/ui/associated-types/hr-associated-type-projection-1.stderr b/tests/ui/associated-types/hr-associated-type-projection-1.stderr index 2281d9419b4..dd0389c34e6 100644 --- a/tests/ui/associated-types/hr-associated-type-projection-1.stderr +++ b/tests/ui/associated-types/hr-associated-type-projection-1.stderr @@ -10,7 +10,7 @@ note: required by a bound in `UnsafeCopy` --> $DIR/hr-associated-type-projection-1.rs:3:64 | LL | trait UnsafeCopy<'a, T: Copy> - | ---------- required by a bound in this + | ---------- required by a bound in this trait LL | where LL | for<'b> <Self as UnsafeCopy<'b, T>>::Item: std::ops::Deref<Target = T>, | ^^^^^^^^^^ required by this bound in `UnsafeCopy` diff --git a/tests/ui/associated-types/point-at-type-on-obligation-failure-2.stderr b/tests/ui/associated-types/point-at-type-on-obligation-failure-2.stderr index 2e7a1dd2a31..3b4689e08cc 100644 --- a/tests/ui/associated-types/point-at-type-on-obligation-failure-2.stderr +++ b/tests/ui/associated-types/point-at-type-on-obligation-failure-2.stderr @@ -23,7 +23,7 @@ LL | Self::Assoc: Bar, | ^^^ required by this bound in `Baz::Assoc` LL | { LL | type Assoc; - | ----- required by a bound in this + | ----- required by a bound in this associated type error[E0277]: the trait bound `bool: Bar` is not satisfied --> $DIR/point-at-type-on-obligation-failure-2.rs:30:18 @@ -38,7 +38,7 @@ LL | <Self as Bat>::Assoc: Bar, | ^^^ required by this bound in `Bat::Assoc` LL | { LL | type Assoc; - | ----- required by a bound in this + | ----- required by a bound in this associated type error: aborting due to 3 previous errors diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.rs b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs new file mode 100644 index 00000000000..0fd1a2703db --- /dev/null +++ b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs @@ -0,0 +1,66 @@ +// run-pass +// edition:2021 + +#![feature(async_fn_in_trait)] +//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use + +use std::future::Future; + +trait AsyncTrait { + async fn default_impl() { + assert!(false); + } + + async fn call_default_impl() { + Self::default_impl().await + } +} + +struct AsyncType; + +impl AsyncTrait for AsyncType { + async fn default_impl() { + // :) + } +} + +async fn async_main() { + // Should not assert false + AsyncType::call_default_impl().await; +} + +// ------------------------------------------------------------------------- // +// Implementation Details Below... + +use std::pin::Pin; +use std::task::*; + +pub fn noop_waker() -> Waker { + let raw = RawWaker::new(std::ptr::null(), &NOOP_WAKER_VTABLE); + + // SAFETY: the contracts for RawWaker and RawWakerVTable are upheld + unsafe { Waker::from_raw(raw) } +} + +const NOOP_WAKER_VTABLE: RawWakerVTable = RawWakerVTable::new(noop_clone, noop, noop, noop); + +unsafe fn noop_clone(_p: *const ()) -> RawWaker { + RawWaker::new(std::ptr::null(), &NOOP_WAKER_VTABLE) +} + +unsafe fn noop(_p: *const ()) {} + +fn main() { + let mut fut = async_main(); + + // Poll loop, just to test the future... + let waker = noop_waker(); + let ctx = &mut Context::from_waker(&waker); + + loop { + match unsafe { Pin::new_unchecked(&mut fut).poll(ctx) } { + Poll::Pending => {} + Poll::Ready(()) => break, + } + } +} diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.stderr b/tests/ui/async-await/in-trait/async-default-fn-overridden.stderr new file mode 100644 index 00000000000..61a826258d0 --- /dev/null +++ b/tests/ui/async-await/in-trait/async-default-fn-overridden.stderr @@ -0,0 +1,11 @@ +warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/async-default-fn-overridden.rs:4:12 + | +LL | #![feature(async_fn_in_trait)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/async-await/in-trait/fn-not-async-err2.rs b/tests/ui/async-await/in-trait/fn-not-async-err2.rs index 2c4ed553580..78017429f73 100644 --- a/tests/ui/async-await/in-trait/fn-not-async-err2.rs +++ b/tests/ui/async-await/in-trait/fn-not-async-err2.rs @@ -11,7 +11,7 @@ trait MyTrait { impl MyTrait for i32 { fn foo(&self) -> impl Future<Output = i32> { - //~^ ERROR `impl Trait` only allowed in function and inherent method return types, not in `impl` method return [E0562] + //~^ ERROR `impl Trait` only allowed in function and inherent method return types, not in `impl` method return types async { *self } } } diff --git a/tests/ui/async-await/in-trait/fn-not-async-err2.stderr b/tests/ui/async-await/in-trait/fn-not-async-err2.stderr index f591f184772..37d9669c012 100644 --- a/tests/ui/async-await/in-trait/fn-not-async-err2.stderr +++ b/tests/ui/async-await/in-trait/fn-not-async-err2.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return types --> $DIR/fn-not-async-err2.rs:13:22 | LL | fn foo(&self) -> impl Future<Output = i32> { diff --git a/tests/ui/async-await/issues/issue-62097.rs b/tests/ui/async-await/issues/issue-62097.rs index a24c84cffc7..13c72abb136 100644 --- a/tests/ui/async-await/issues/issue-62097.rs +++ b/tests/ui/async-await/issues/issue-62097.rs @@ -12,7 +12,7 @@ impl Struct { pub async fn run_dummy_fn(&self) { foo(|| self.bar()).await; //~^ ERROR closure may outlive the current function - //~| ERROR borrowed data escapes outside of associated function + //~| ERROR borrowed data escapes outside of method } pub fn bar(&self) {} diff --git a/tests/ui/async-await/issues/issue-62097.stderr b/tests/ui/async-await/issues/issue-62097.stderr index 786f6213260..21a61548d01 100644 --- a/tests/ui/async-await/issues/issue-62097.stderr +++ b/tests/ui/async-await/issues/issue-62097.stderr @@ -16,18 +16,18 @@ help: to force the closure to take ownership of `self` (and any other referenced LL | foo(move || self.bar()).await; | ++++ -error[E0521]: borrowed data escapes outside of associated function +error[E0521]: borrowed data escapes outside of method --> $DIR/issue-62097.rs:13:9 | LL | pub async fn run_dummy_fn(&self) { | ----- | | - | `self` is a reference that is only valid in the associated function body + | `self` is a reference that is only valid in the method body | let's call the lifetime of this reference `'1` LL | foo(|| self.bar()).await; | ^^^^^^^^^^^^^^^^^^ | | - | `self` escapes the associated function body here + | `self` escapes the method body here | argument requires that `'1` must outlive `'static` error: aborting due to 2 previous errors diff --git a/tests/ui/async-await/issues/issue-65159.rs b/tests/ui/async-await/issues/issue-65159.rs index df2ca025705..6e547508bd4 100644 --- a/tests/ui/async-await/issues/issue-65159.rs +++ b/tests/ui/async-await/issues/issue-65159.rs @@ -3,7 +3,7 @@ // edition:2018 async fn copy() -> Result<()> -//~^ ERROR this enum takes 2 generic arguments +//~^ ERROR enum takes 2 generic arguments { Ok(()) } diff --git a/tests/ui/async-await/issues/issue-65159.stderr b/tests/ui/async-await/issues/issue-65159.stderr index 40c0e72b203..b8741333c32 100644 --- a/tests/ui/async-await/issues/issue-65159.stderr +++ b/tests/ui/async-await/issues/issue-65159.stderr @@ -1,4 +1,4 @@ -error[E0107]: this enum takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied --> $DIR/issue-65159.rs:5:20 | LL | async fn copy() -> Result<()> diff --git a/tests/ui/async-await/issues/issue-72312.stderr b/tests/ui/async-await/issues/issue-72312.stderr index aa947b69003..679272858bd 100644 --- a/tests/ui/async-await/issues/issue-72312.stderr +++ b/tests/ui/async-await/issues/issue-72312.stderr @@ -1,10 +1,10 @@ -error[E0521]: borrowed data escapes outside of associated function +error[E0521]: borrowed data escapes outside of method --> $DIR/issue-72312.rs:12:9 | LL | pub async fn start(&self) { | ----- | | - | `self` is a reference that is only valid in the associated function body + | `self` is a reference that is only valid in the method body | let's call the lifetime of this reference `'1` ... LL | / require_static(async move { @@ -15,7 +15,7 @@ LL | | &self; LL | | }); | | ^ | | | - | |__________`self` escapes the associated function body here + | |__________`self` escapes the method body here | argument requires that `'1` must outlive `'static` error: aborting due to previous error diff --git a/tests/ui/borrowck/issue-103624.rs b/tests/ui/borrowck/issue-103624.rs index f1fa95f9246..d95a40bd4a0 100644 --- a/tests/ui/borrowck/issue-103624.rs +++ b/tests/ui/borrowck/issue-103624.rs @@ -12,7 +12,7 @@ impl StructA { async fn foo(&self) { let bar = self.b.bar().await; spawn_blocking(move || { - //~^ ERROR borrowed data escapes outside of associated function + //~^ ERROR borrowed data escapes outside of method self.b; //~^ ERROR cannot move out of `self.b`, as `self` is a captured variable in an `Fn` closure }) diff --git a/tests/ui/borrowck/issue-103624.stderr b/tests/ui/borrowck/issue-103624.stderr index e6a35dd8801..7a281e8aa30 100644 --- a/tests/ui/borrowck/issue-103624.stderr +++ b/tests/ui/borrowck/issue-103624.stderr @@ -10,13 +10,13 @@ LL | LL | self.b; | ^^^^^^ move occurs because `self.b` has type `StructB`, which does not implement the `Copy` trait -error[E0521]: borrowed data escapes outside of associated function +error[E0521]: borrowed data escapes outside of method --> $DIR/issue-103624.rs:14:9 | LL | async fn foo(&self) { | ----- | | - | `self` is a reference that is only valid in the associated function body + | `self` is a reference that is only valid in the method body | let's call the lifetime of this reference `'1` LL | let bar = self.b.bar().await; LL | / spawn_blocking(move || { @@ -26,7 +26,7 @@ LL | | LL | | }) | | ^ | | | - | |__________`self` escapes the associated function body here + | |__________`self` escapes the method body here | argument requires that `'1` must outlive `'static` error: aborting due to 2 previous errors diff --git a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs index dd0320bc53b..d067ff44704 100644 --- a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs +++ b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs @@ -14,8 +14,8 @@ impl MarketMultiplier { } async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> { - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied - //~^^ ERROR this struct takes 1 generic argument but 0 generic arguments were supplied + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument was supplied + //~^^ ERROR struct takes 1 generic argument but 0 generic arguments were supplied LockedMarket(generator.lock().unwrap().buy()) } diff --git a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr index d2b927fb664..73e0aaf1e45 100644 --- a/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr +++ b/tests/ui/borrowck/issue-82126-mismatched-subst-and-hir.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/issue-82126-mismatched-subst-and-hir.rs:16:59 | LL | async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> { @@ -12,7 +12,7 @@ note: struct defined here, with 0 lifetime parameters LL | struct LockedMarket<T>(T); | ^^^^^^^^^^^^ -error[E0107]: this struct takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/issue-82126-mismatched-subst-and-hir.rs:16:59 | LL | async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> { diff --git a/tests/ui/bounds-lifetime.stderr b/tests/ui/bounds-lifetime.stderr index a3427e21cde..f0bfe784ccc 100644 --- a/tests/ui/bounds-lifetime.stderr +++ b/tests/ui/bounds-lifetime.stderr @@ -22,7 +22,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | type D = for<'a, T> fn(); | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error[E0658]: only lifetime parameters can be used in this context @@ -31,7 +31,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | type E = dyn for<T> Fn(); | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error: aborting due to 5 previous errors diff --git a/tests/ui/check-cfg/invalid-cfg-value.stderr b/tests/ui/check-cfg/invalid-cfg-value.stderr index 60abcb18824..83383ea61a4 100644 --- a/tests/ui/check-cfg/invalid-cfg-value.stderr +++ b/tests/ui/check-cfg/invalid-cfg-value.stderr @@ -2,7 +2,9 @@ warning: unexpected `cfg` condition value --> $DIR/invalid-cfg-value.rs:7:7 | LL | #[cfg(feature = "sedre")] - | ^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^------- + | | + | help: did you mean: `"serde"` | = note: expected values for `feature` are: full, serde = note: `#[warn(unexpected_cfgs)]` on by default diff --git a/tests/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr b/tests/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr index 8dccf929b2b..c5089295063 100644 --- a/tests/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr +++ b/tests/ui/closure-expected-type/expect-infer-var-appearing-twice.stderr @@ -12,7 +12,7 @@ note: required by a bound in `with_closure` --> $DIR/expect-infer-var-appearing-twice.rs:2:14 | LL | fn with_closure<F, A>(_: F) - | ------------ required by a bound in this + | ------------ required by a bound in this function LL | where F: FnOnce(A, A) | ^^^^^^^^^^^^ required by this bound in `with_closure` diff --git a/tests/ui/closures/binder/const-bound.rs b/tests/ui/closures/binder/const-bound.rs new file mode 100644 index 00000000000..b1c79db1375 --- /dev/null +++ b/tests/ui/closures/binder/const-bound.rs @@ -0,0 +1,7 @@ +#![feature(closure_lifetime_binder, non_lifetime_binders)] +//~^ WARN is incomplete and may not be safe to use + +fn main() { + for<const N: i32> || -> () {}; + //~^ ERROR late-bound const parameter not allowed on closures +} diff --git a/tests/ui/closures/binder/const-bound.stderr b/tests/ui/closures/binder/const-bound.stderr new file mode 100644 index 00000000000..c016465c101 --- /dev/null +++ b/tests/ui/closures/binder/const-bound.stderr @@ -0,0 +1,17 @@ +warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/const-bound.rs:1:37 + | +LL | #![feature(closure_lifetime_binder, non_lifetime_binders)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: late-bound const parameter not allowed on closures + --> $DIR/const-bound.rs:5:9 + | +LL | for<const N: i32> || -> () {}; + | ^^^^^^^^^^^^ + +error: aborting due to previous error; 1 warning emitted + diff --git a/tests/ui/closures/binder/disallow-const.stderr b/tests/ui/closures/binder/disallow-const.stderr index 9f4deaa774d..59f299315f8 100644 --- a/tests/ui/closures/binder/disallow-const.stderr +++ b/tests/ui/closures/binder/disallow-const.stderr @@ -4,7 +4,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | for<const N: i32> || -> () {}; | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error: aborting due to previous error diff --git a/tests/ui/closures/binder/disallow-ty.stderr b/tests/ui/closures/binder/disallow-ty.stderr index 22882ca2ba6..3370e21bd71 100644 --- a/tests/ui/closures/binder/disallow-ty.stderr +++ b/tests/ui/closures/binder/disallow-ty.stderr @@ -4,7 +4,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | for<T> || -> () {}; | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error: aborting due to previous error diff --git a/tests/ui/closures/binder/type-bound-2.rs b/tests/ui/closures/binder/type-bound-2.rs new file mode 100644 index 00000000000..f4edcdaa9ca --- /dev/null +++ b/tests/ui/closures/binder/type-bound-2.rs @@ -0,0 +1,7 @@ +#![feature(closure_lifetime_binder, non_lifetime_binders)] +//~^ WARN is incomplete and may not be safe to use + +fn main() { + for<T> || -> () {}; + //~^ ERROR late-bound type parameter not allowed on closures +} diff --git a/tests/ui/closures/binder/type-bound-2.stderr b/tests/ui/closures/binder/type-bound-2.stderr new file mode 100644 index 00000000000..14b2dbf0395 --- /dev/null +++ b/tests/ui/closures/binder/type-bound-2.stderr @@ -0,0 +1,17 @@ +warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/type-bound-2.rs:1:37 + | +LL | #![feature(closure_lifetime_binder, non_lifetime_binders)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: late-bound type parameter not allowed on closures + --> $DIR/type-bound-2.rs:5:9 + | +LL | for<T> || -> () {}; + | ^ + +error: aborting due to previous error; 1 warning emitted + diff --git a/tests/ui/closures/binder/type-bound.rs b/tests/ui/closures/binder/type-bound.rs new file mode 100644 index 00000000000..59a3353f496 --- /dev/null +++ b/tests/ui/closures/binder/type-bound.rs @@ -0,0 +1,7 @@ +#![feature(closure_lifetime_binder, non_lifetime_binders)] +//~^ WARN is incomplete and may not be safe to use + +fn main() { + for<T> || -> T {}; + //~^ ERROR late-bound type parameter not allowed on closures +} diff --git a/tests/ui/closures/binder/type-bound.stderr b/tests/ui/closures/binder/type-bound.stderr new file mode 100644 index 00000000000..ef00a2dffce --- /dev/null +++ b/tests/ui/closures/binder/type-bound.stderr @@ -0,0 +1,17 @@ +warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/type-bound.rs:1:37 + | +LL | #![feature(closure_lifetime_binder, non_lifetime_binders)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information + = note: `#[warn(incomplete_features)]` on by default + +error: late-bound type parameter not allowed on closures + --> $DIR/type-bound.rs:5:9 + | +LL | for<T> || -> T {}; + | ^ + +error: aborting due to previous error; 1 warning emitted + diff --git a/tests/ui/conditional-compilation/cfg-generic-params.stderr b/tests/ui/conditional-compilation/cfg-generic-params.stderr index 69b0f741156..f733c09c22e 100644 --- a/tests/ui/conditional-compilation/cfg-generic-params.stderr +++ b/tests/ui/conditional-compilation/cfg-generic-params.stderr @@ -34,7 +34,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | type FnBad = for<#[cfg(no)] 'a, #[cfg(yes)] T> fn(); | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error[E0658]: only lifetime parameters can be used in this context @@ -43,7 +43,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | type PolyBad = dyn for<#[cfg(no)] 'a, #[cfg(yes)] T> Copy; | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error[E0658]: only lifetime parameters can be used in this context @@ -52,7 +52,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | struct WhereBad where for<#[cfg(no)] 'a, #[cfg(yes)] T> u8: Copy; | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error: aborting due to 8 previous errors diff --git a/tests/ui/const-generics/defaults/wfness.stderr b/tests/ui/const-generics/defaults/wfness.stderr index 25038f830be..bd9bfcd7dad 100644 --- a/tests/ui/const-generics/defaults/wfness.stderr +++ b/tests/ui/const-generics/defaults/wfness.stderr @@ -23,7 +23,7 @@ note: required by a bound in `WhereClause` --> $DIR/wfness.rs:8:9 | LL | struct WhereClause<const N: u8 = 2> - | ----------- required by a bound in this + | ----------- required by a bound in this struct LL | where LL | (): Trait<N>; | ^^^^^^^^ required by this bound in `WhereClause` diff --git a/tests/ui/const-generics/early/invalid-const-arguments.stderr b/tests/ui/const-generics/early/invalid-const-arguments.stderr index b46e7e24f49..cee34e3b715 100644 --- a/tests/ui/const-generics/early/invalid-const-arguments.stderr +++ b/tests/ui/const-generics/early/invalid-const-arguments.stderr @@ -49,12 +49,9 @@ error[E0747]: type provided when a constant was expected --> $DIR/invalid-const-arguments.rs:10:19 | LL | impl<N> Foo for B<N> {} - | ^ - | -help: consider changing this type parameter to be a `const` generic - | -LL | impl<const N: u8> Foo for B<N> {} - | ~~~~~~~~~~~ + | - ^ + | | + | help: consider changing this type parameter to a const parameter: `const N: u8` error[E0747]: unresolved item provided when a constant was expected --> $DIR/invalid-const-arguments.rs:14:32 diff --git a/tests/ui/const-generics/ensure_is_evaluatable.stderr b/tests/ui/const-generics/ensure_is_evaluatable.stderr index bf6c35ad8fd..ab2871ff281 100644 --- a/tests/ui/const-generics/ensure_is_evaluatable.stderr +++ b/tests/ui/const-generics/ensure_is_evaluatable.stderr @@ -9,7 +9,7 @@ note: required by a bound in `bar` --> $DIR/ensure_is_evaluatable.rs:15:10 | LL | fn bar<const N: usize>() -> [(); N] - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | [(); N + 1]:, | ^^^^^ required by this bound in `bar` diff --git a/tests/ui/const-generics/fn_with_two_const_inputs.stderr b/tests/ui/const-generics/fn_with_two_const_inputs.stderr index 614e7e0d2fc..c124010aab0 100644 --- a/tests/ui/const-generics/fn_with_two_const_inputs.stderr +++ b/tests/ui/const-generics/fn_with_two_const_inputs.stderr @@ -9,7 +9,7 @@ note: required by a bound in `bar` --> $DIR/fn_with_two_const_inputs.rs:18:10 | LL | fn bar<const N: usize>() -> [(); N] - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | [(); N + 1]:, | ^^^^^ required by this bound in `bar` diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.rs b/tests/ui/const-generics/generic_const_exprs/issue-102768.rs index 7aea0d30d1a..18a9b53cf76 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.rs +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.rs @@ -7,8 +7,8 @@ trait X { const _: () = { fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} - //~^ ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments - //~| ERROR this associated type takes 0 generic arguments but 1 generic argument + //~^ ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument }; fn main() {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr index 8278edabe3a..175d54e4184 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-102768.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/issue-102768.rs:9:30 | LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} @@ -14,7 +14,7 @@ help: add missing lifetime argument LL | fn f2<'a>(arg: Box<dyn X<Y<'_, 1> = &'a ()>>) {} | +++ -error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-102768.rs:9:30 | LL | fn f2<'a>(arg: Box<dyn X<Y<1> = &'a ()>>) {} diff --git a/tests/ui/const-generics/generic_const_exprs/issue-105608.stderr b/tests/ui/const-generics/generic_const_exprs/issue-105608.stderr index 0be4c43daac..827dd59d9ad 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-105608.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-105608.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/issue-105608.rs:13:22 | LL | Combination::<0>.and::<_>().and::<_>(); - | ^^^ cannot infer type of the type parameter `M` declared on the associated function `and` + | ^^^ cannot infer type of the type parameter `M` declared on the method `and` | help: consider specifying the generic argument | diff --git a/tests/ui/const-generics/generic_const_exprs/issue-72819-generic-in-const-eval.full.stderr b/tests/ui/const-generics/generic_const_exprs/issue-72819-generic-in-const-eval.full.stderr index f2fddfbfbb5..996b75493e6 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-72819-generic-in-const-eval.full.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-72819-generic-in-const-eval.full.stderr @@ -10,7 +10,7 @@ note: required by a bound in `Arr` --> $DIR/issue-72819-generic-in-const-eval.rs:8:39 | LL | struct Arr<const N: usize> - | --- required by a bound in this + | --- required by a bound in this struct LL | where Assert::<{N < usize::MAX / 2}>: IsTrue, | ^^^^^^ required by this bound in `Arr` @@ -26,7 +26,7 @@ note: required by a bound in `Arr` --> $DIR/issue-72819-generic-in-const-eval.rs:8:39 | LL | struct Arr<const N: usize> - | --- required by a bound in this + | --- required by a bound in this struct LL | where Assert::<{N < usize::MAX / 2}>: IsTrue, | ^^^^^^ required by this bound in `Arr` diff --git a/tests/ui/const-generics/generic_const_exprs/issue-76595.stderr b/tests/ui/const-generics/generic_const_exprs/issue-76595.stderr index c587a7e153f..302da59651c 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-76595.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-76595.stderr @@ -1,4 +1,4 @@ -error[E0107]: this function takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied --> $DIR/issue-76595.rs:15:5 | LL | test::<2>(); diff --git a/tests/ui/const-generics/generic_const_exprs/obligation-cause.stderr b/tests/ui/const-generics/generic_const_exprs/obligation-cause.stderr index a253ec676f7..63e6fcc8e11 100644 --- a/tests/ui/const-generics/generic_const_exprs/obligation-cause.stderr +++ b/tests/ui/const-generics/generic_const_exprs/obligation-cause.stderr @@ -10,7 +10,7 @@ note: required by a bound in `g` --> $DIR/obligation-cause.rs:13:44 | LL | fn g<T>() - | - required by a bound in this + | - required by a bound in this function ... LL | Is<{ std::mem::size_of::<T>() == 0 }>: True, | ^^^^ required by this bound in `g` diff --git a/tests/ui/const-generics/incorrect-number-of-const-args.stderr b/tests/ui/const-generics/incorrect-number-of-const-args.stderr index a845454f762..01ac4e69a05 100644 --- a/tests/ui/const-generics/incorrect-number-of-const-args.stderr +++ b/tests/ui/const-generics/incorrect-number-of-const-args.stderr @@ -1,4 +1,4 @@ -error[E0107]: this function takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied --> $DIR/incorrect-number-of-const-args.rs:6:5 | LL | foo::<0>(); @@ -16,7 +16,7 @@ help: add missing generic argument LL | foo::<0, Y>(); | +++ -error[E0107]: this function takes 2 generic arguments but 3 generic arguments were supplied +error[E0107]: function takes 2 generic arguments but 3 generic arguments were supplied --> $DIR/incorrect-number-of-const-args.rs:9:5 | LL | foo::<0, 0, 0>(); diff --git a/tests/ui/const-generics/infer/method-chain.stderr b/tests/ui/const-generics/infer/method-chain.stderr index ff6da535bd2..f527ee6e4f5 100644 --- a/tests/ui/const-generics/infer/method-chain.stderr +++ b/tests/ui/const-generics/infer/method-chain.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/method-chain.rs:15:33 | LL | Foo.bar().bar().bar().bar().baz(); - | ^^^ cannot infer the value of the const parameter `N` declared on the associated function `baz` + | ^^^ cannot infer the value of the const parameter `N` declared on the method `baz` | help: consider specifying the generic argument | diff --git a/tests/ui/const-generics/infer/uninferred-consts.stderr b/tests/ui/const-generics/infer/uninferred-consts.stderr index 3980ecea863..20daf45706b 100644 --- a/tests/ui/const-generics/infer/uninferred-consts.stderr +++ b/tests/ui/const-generics/infer/uninferred-consts.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/uninferred-consts.rs:9:9 | LL | Foo.foo(); - | ^^^ cannot infer the value of the const parameter `A` declared on the associated function `foo` + | ^^^ cannot infer the value of the const parameter `A` declared on the method `foo` | help: consider specifying the generic arguments | diff --git a/tests/ui/const-generics/invalid-const-arg-for-type-param.rs b/tests/ui/const-generics/invalid-const-arg-for-type-param.rs index 7d4dc98f396..bf10f471dc5 100644 --- a/tests/ui/const-generics/invalid-const-arg-for-type-param.rs +++ b/tests/ui/const-generics/invalid-const-arg-for-type-param.rs @@ -4,11 +4,11 @@ struct S; fn main() { let _: u32 = 5i32.try_into::<32>().unwrap(); - //~^ ERROR this associated function takes + //~^ ERROR method takes S.f::<0>(); //~^ ERROR no method named `f` S::<0>; - //~^ ERROR this struct takes 0 + //~^ ERROR struct takes 0 } diff --git a/tests/ui/const-generics/invalid-const-arg-for-type-param.stderr b/tests/ui/const-generics/invalid-const-arg-for-type-param.stderr index 8c76ca69029..4a649d8a7e8 100644 --- a/tests/ui/const-generics/invalid-const-arg-for-type-param.stderr +++ b/tests/ui/const-generics/invalid-const-arg-for-type-param.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/invalid-const-arg-for-type-param.rs:6:23 | LL | let _: u32 = 5i32.try_into::<32>().unwrap(); @@ -23,7 +23,7 @@ LL | struct S; LL | S.f::<0>(); | ^ method not found in `S` -error[E0107]: this struct takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied --> $DIR/invalid-const-arg-for-type-param.rs:12:5 | LL | S::<0>; diff --git a/tests/ui/const-generics/invalid-constant-in-args.rs b/tests/ui/const-generics/invalid-constant-in-args.rs index 7419d4a25ce..fd259197d29 100644 --- a/tests/ui/const-generics/invalid-constant-in-args.rs +++ b/tests/ui/const-generics/invalid-constant-in-args.rs @@ -2,5 +2,5 @@ use std::cell::Cell; fn main() { let _: Cell<&str, "a"> = Cell::new(""); - //~^ ERROR this struct takes 1 generic argument but 2 generic arguments were supplied + //~^ ERROR struct takes 1 generic argument but 2 generic arguments were supplied } diff --git a/tests/ui/const-generics/invalid-constant-in-args.stderr b/tests/ui/const-generics/invalid-constant-in-args.stderr index 993b63518e4..2545cc6f396 100644 --- a/tests/ui/const-generics/invalid-constant-in-args.stderr +++ b/tests/ui/const-generics/invalid-constant-in-args.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied --> $DIR/invalid-constant-in-args.rs:4:12 | LL | let _: Cell<&str, "a"> = Cell::new(""); diff --git a/tests/ui/const-generics/issues/issue-67185-2.stderr b/tests/ui/const-generics/issues/issue-67185-2.stderr index c7be8e14a10..032b0c41047 100644 --- a/tests/ui/const-generics/issues/issue-67185-2.stderr +++ b/tests/ui/const-generics/issues/issue-67185-2.stderr @@ -35,7 +35,7 @@ note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:15:25 | LL | trait Foo - | --- required by a bound in this + | --- required by a bound in this trait ... LL | <u8 as Baz>::Quaks: Bar, | ^^^ required by this bound in `Foo` @@ -53,7 +53,7 @@ note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:14:30 | LL | trait Foo - | --- required by a bound in this + | --- required by a bound in this trait LL | where LL | [<u8 as Baz>::Quaks; 2]: Bar, | ^^^ required by this bound in `Foo` @@ -71,7 +71,7 @@ note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:14:30 | LL | trait Foo - | --- required by a bound in this + | --- required by a bound in this trait LL | where LL | [<u8 as Baz>::Quaks; 2]: Bar, | ^^^ required by this bound in `Foo` @@ -89,7 +89,7 @@ note: required by a bound in `Foo` --> $DIR/issue-67185-2.rs:15:25 | LL | trait Foo - | --- required by a bound in this + | --- required by a bound in this trait ... LL | <u8 as Baz>::Quaks: Bar, | ^^^ required by this bound in `Foo` diff --git a/tests/ui/const-generics/issues/issue-73260.stderr b/tests/ui/const-generics/issues/issue-73260.stderr index f9ff0f28d51..c56b45cc8fa 100644 --- a/tests/ui/const-generics/issues/issue-73260.stderr +++ b/tests/ui/const-generics/issues/issue-73260.stderr @@ -10,7 +10,7 @@ note: required by a bound in `Arr` --> $DIR/issue-73260.rs:5:37 | LL | struct Arr<const N: usize> - | --- required by a bound in this + | --- required by a bound in this struct LL | where LL | Assert::<{N < usize::MAX / 2}>: IsTrue, | ^^^^^^ required by this bound in `Arr` @@ -27,7 +27,7 @@ note: required by a bound in `Arr` --> $DIR/issue-73260.rs:5:37 | LL | struct Arr<const N: usize> - | --- required by a bound in this + | --- required by a bound in this struct LL | where LL | Assert::<{N < usize::MAX / 2}>: IsTrue, | ^^^^^^ required by this bound in `Arr` diff --git a/tests/ui/const-generics/issues/issue-79674.stderr b/tests/ui/const-generics/issues/issue-79674.stderr index 02b48b55f8b..ba7fd2ca3cc 100644 --- a/tests/ui/const-generics/issues/issue-79674.stderr +++ b/tests/ui/const-generics/issues/issue-79674.stderr @@ -10,7 +10,7 @@ note: required by a bound in `requires_distinct` --> $DIR/issue-79674.rs:23:37 | LL | fn requires_distinct<A, B>(_a: A, _b: B) where - | ----------------- required by a bound in this + | ----------------- required by a bound in this function LL | A: MiniTypeId, B: MiniTypeId, LL | Lift<{is_same_type::<A, B>()}>: IsFalse {} | ^^^^^^^ required by this bound in `requires_distinct` diff --git a/tests/ui/const-generics/issues/issue-86530.stderr b/tests/ui/const-generics/issues/issue-86530.stderr index c63857b2314..620ed4f0fb2 100644 --- a/tests/ui/const-generics/issues/issue-86530.stderr +++ b/tests/ui/const-generics/issues/issue-86530.stderr @@ -10,7 +10,7 @@ note: required by a bound in `z` --> $DIR/issue-86530.rs:10:8 | LL | fn z<T>(t: T) - | - required by a bound in this + | - required by a bound in this function LL | where LL | T: X, | ^ required by this bound in `z` diff --git a/tests/ui/const-generics/issues/issue-87493.rs b/tests/ui/const-generics/issues/issue-87493.rs index d8599ab22a3..80472e6bd9c 100644 --- a/tests/ui/const-generics/issues/issue-87493.rs +++ b/tests/ui/const-generics/issues/issue-87493.rs @@ -7,7 +7,7 @@ where S: MyTrait, T: MyTrait<Assoc == S::Assoc>, //~^ ERROR: expected one of `,` or `>`, found `==` - //~| ERROR: this trait takes 0 generic arguments but 1 generic argument was supplied + //~| ERROR: trait takes 0 generic arguments but 1 generic argument was supplied { } diff --git a/tests/ui/const-generics/issues/issue-87493.stderr b/tests/ui/const-generics/issues/issue-87493.stderr index 653afae2191..73bd6ed73e6 100644 --- a/tests/ui/const-generics/issues/issue-87493.stderr +++ b/tests/ui/const-generics/issues/issue-87493.stderr @@ -9,7 +9,7 @@ help: if you meant to use an associated type binding, replace `==` with `=` LL | T: MyTrait<Assoc = S::Assoc>, | ~ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-87493.rs:8:8 | LL | T: MyTrait<Assoc == S::Assoc>, diff --git a/tests/ui/const-generics/occurs-check/unused-substs-1.stderr b/tests/ui/const-generics/occurs-check/unused-substs-1.stderr index a3c011d927b..51ef354e3ed 100644 --- a/tests/ui/const-generics/occurs-check/unused-substs-1.stderr +++ b/tests/ui/const-generics/occurs-check/unused-substs-1.stderr @@ -9,7 +9,7 @@ note: required by a bound in `A` --> $DIR/unused-substs-1.rs:9:11 | LL | struct A<const N: usize> - | - required by a bound in this + | - required by a bound in this unit struct LL | where LL | A<N>: Bar<N>; | ^^^^^^ required by this bound in `A` diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs index b126b24853f..79743abe409 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.rs @@ -7,7 +7,7 @@ struct Bar; const T: usize = 42; impl Foo<N = 3> for Bar { -//~^ ERROR this trait takes 1 generic argument but 0 generic arguments were supplied +//~^ ERROR trait takes 1 generic argument but 0 generic arguments were supplied //~| ERROR associated type bindings are not allowed here //~| ERROR associated const equality is incomplete fn do_x(&self) -> [u8; 3] { diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr index acfdde8e1a0..4f4e1aa3a04 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013-no-kw.stderr @@ -7,7 +7,7 @@ LL | impl Foo<N = 3> for Bar { = note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/issue-89013-no-kw.rs:9:6 | LL | impl Foo<N = 3> for Bar { diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013.rs b/tests/ui/const-generics/parser-error-recovery/issue-89013.rs index 9431779faf8..335d0d94e83 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013.rs +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013.rs @@ -8,7 +8,7 @@ const T: usize = 42; impl Foo<N = const 3> for Bar { //~^ ERROR expected lifetime, type, or constant, found keyword `const` -//~| ERROR this trait takes 1 generic +//~| ERROR trait takes 1 generic //~| ERROR associated type bindings are not allowed here //~| ERROR associated const equality is incomplete fn do_x(&self) -> [u8; 3] { diff --git a/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr b/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr index 583749a8573..3d2b98feb39 100644 --- a/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr +++ b/tests/ui/const-generics/parser-error-recovery/issue-89013.stderr @@ -19,7 +19,7 @@ LL | impl Foo<N = const 3> for Bar { = note: see issue #92827 <https://github.com/rust-lang/rust/issues/92827> for more information = help: add `#![feature(associated_const_equality)]` to the crate attributes to enable -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/issue-89013.rs:9:6 | LL | impl Foo<N = const 3> for Bar { diff --git a/tests/ui/const-generics/unify_with_nested_expr.stderr b/tests/ui/const-generics/unify_with_nested_expr.stderr index 8bab0dff7f2..d4d78b59627 100644 --- a/tests/ui/const-generics/unify_with_nested_expr.stderr +++ b/tests/ui/const-generics/unify_with_nested_expr.stderr @@ -8,7 +8,7 @@ note: required by a bound in `bar` --> $DIR/unify_with_nested_expr.rs:14:10 | LL | fn bar<const N: usize>() - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | [(); N + 1]:, | ^^^^^ required by this bound in `bar` diff --git a/tests/ui/constructor-lifetime-args.rs b/tests/ui/constructor-lifetime-args.rs index a824a44c9c2..f5802e7d8b1 100644 --- a/tests/ui/constructor-lifetime-args.rs +++ b/tests/ui/constructor-lifetime-args.rs @@ -15,12 +15,12 @@ enum E<'a, 'b> { fn main() { S(&0, &0); // OK S::<'static>(&0, &0); - //~^ ERROR this struct takes 2 lifetime arguments + //~^ ERROR struct takes 2 lifetime arguments S::<'static, 'static, 'static>(&0, &0); - //~^ ERROR this struct takes 2 lifetime arguments + //~^ ERROR struct takes 2 lifetime arguments E::V(&0); // OK E::V::<'static>(&0); - //~^ ERROR this enum takes 2 lifetime arguments + //~^ ERROR enum takes 2 lifetime arguments E::V::<'static, 'static, 'static>(&0); - //~^ ERROR this enum takes 2 lifetime arguments + //~^ ERROR enum takes 2 lifetime arguments } diff --git a/tests/ui/constructor-lifetime-args.stderr b/tests/ui/constructor-lifetime-args.stderr index bc1141b16c5..a18123fe19c 100644 --- a/tests/ui/constructor-lifetime-args.stderr +++ b/tests/ui/constructor-lifetime-args.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/constructor-lifetime-args.rs:17:5 | LL | S::<'static>(&0, &0); @@ -16,7 +16,7 @@ help: add missing lifetime argument LL | S::<'static, 'static>(&0, &0); | +++++++++ -error[E0107]: this struct takes 2 lifetime arguments but 3 lifetime arguments were supplied +error[E0107]: struct takes 2 lifetime arguments but 3 lifetime arguments were supplied --> $DIR/constructor-lifetime-args.rs:19:5 | LL | S::<'static, 'static, 'static>(&0, &0); @@ -30,7 +30,7 @@ note: struct defined here, with 2 lifetime parameters: `'a`, `'b` LL | struct S<'a, 'b>(&'a u8, &'b u8); | ^ -- -- -error[E0107]: this enum takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: enum takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/constructor-lifetime-args.rs:22:8 | LL | E::V::<'static>(&0); @@ -48,7 +48,7 @@ help: add missing lifetime argument LL | E::V::<'static, 'static>(&0); | +++++++++ -error[E0107]: this enum takes 2 lifetime arguments but 3 lifetime arguments were supplied +error[E0107]: enum takes 2 lifetime arguments but 3 lifetime arguments were supplied --> $DIR/constructor-lifetime-args.rs:24:8 | LL | E::V::<'static, 'static, 'static>(&0); diff --git a/tests/ui/consts/const-eval/raw-bytes.32bit.stderr b/tests/ui/consts/const-eval/raw-bytes.32bit.stderr index 91a426580c3..a0f8dd097c7 100644 --- a/tests/ui/consts/const-eval/raw-bytes.32bit.stderr +++ b/tests/ui/consts/const-eval/raw-bytes.32bit.stderr @@ -167,7 +167,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/raw-bytes.rs:96:1 | LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (address 0x539 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (0x539[noalloc] has no provenance) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. = note: the raw bytes of the constant (size: 4, align: 4) { @@ -178,7 +178,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/raw-bytes.rs:99:1 | LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (address 0x539 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (0x539[noalloc] has no provenance) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. = note: the raw bytes of the constant (size: 4, align: 4) { diff --git a/tests/ui/consts/const-eval/raw-bytes.64bit.stderr b/tests/ui/consts/const-eval/raw-bytes.64bit.stderr index e4c5e62f6bd..9706f3ec2e0 100644 --- a/tests/ui/consts/const-eval/raw-bytes.64bit.stderr +++ b/tests/ui/consts/const-eval/raw-bytes.64bit.stderr @@ -167,7 +167,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/raw-bytes.rs:96:1 | LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (address 0x539 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (0x539[noalloc] has no provenance) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. = note: the raw bytes of the constant (size: 8, align: 8) { @@ -178,7 +178,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/raw-bytes.rs:99:1 | LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (address 0x539 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (0x539[noalloc] has no provenance) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. = note: the raw bytes of the constant (size: 8, align: 8) { diff --git a/tests/ui/consts/const-eval/ub-ref-ptr.stderr b/tests/ui/consts/const-eval/ub-ref-ptr.stderr index ce618802bd2..6bd367b6469 100644 --- a/tests/ui/consts/const-eval/ub-ref-ptr.stderr +++ b/tests/ui/consts/const-eval/ub-ref-ptr.stderr @@ -85,7 +85,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-ref-ptr.rs:43:1 | LL | const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (address 0x539 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling reference (0x539[noalloc] has no provenance) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { @@ -96,7 +96,7 @@ error[E0080]: it is undefined behavior to use this value --> $DIR/ub-ref-ptr.rs:46:1 | LL | const USIZE_AS_BOX: Box<u8> = unsafe { mem::transmute(1337usize) }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (address 0x539 is unallocated) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ constructing invalid value: encountered a dangling box (0x539[noalloc] has no provenance) | = note: The rules on what exactly is undefined behavior aren't clear, so this check might be overzealous. Please open an issue on the rustc repository if you believe it should not be considered undefined behavior. = note: the raw bytes of the constant (size: $SIZE, align: $ALIGN) { diff --git a/tests/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr b/tests/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr index 9710bf476ec..69fb1a59d4f 100644 --- a/tests/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr +++ b/tests/ui/consts/const-eval/validate_uninhabited_zsts.32bit.stderr @@ -2,10 +2,7 @@ warning: the type `!` does not permit zero-initialization --> $DIR/validate_uninhabited_zsts.rs:4:14 | LL | unsafe { std::mem::transmute(()) } - | ^^^^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: the `!` type has no valid value = note: `#[warn(invalid_value)]` on by default @@ -40,10 +37,7 @@ warning: the type `empty::Empty` does not permit zero-initialization --> $DIR/validate_uninhabited_zsts.rs:21:42 | LL | const BAR: [empty::Empty; 3] = [unsafe { std::mem::transmute(()) }; 3]; - | ^^^^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: in this struct field --> $DIR/validate_uninhabited_zsts.rs:16:22 diff --git a/tests/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr b/tests/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr index 9710bf476ec..69fb1a59d4f 100644 --- a/tests/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr +++ b/tests/ui/consts/const-eval/validate_uninhabited_zsts.64bit.stderr @@ -2,10 +2,7 @@ warning: the type `!` does not permit zero-initialization --> $DIR/validate_uninhabited_zsts.rs:4:14 | LL | unsafe { std::mem::transmute(()) } - | ^^^^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: the `!` type has no valid value = note: `#[warn(invalid_value)]` on by default @@ -40,10 +37,7 @@ warning: the type `empty::Empty` does not permit zero-initialization --> $DIR/validate_uninhabited_zsts.rs:21:42 | LL | const BAR: [empty::Empty; 3] = [unsafe { std::mem::transmute(()) }; 3]; - | ^^^^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: in this struct field --> $DIR/validate_uninhabited_zsts.rs:16:22 diff --git a/tests/ui/consts/ct-var-in-collect_all_mismatches.stderr b/tests/ui/consts/ct-var-in-collect_all_mismatches.stderr index 43fba2573ff..fa20077da7e 100644 --- a/tests/ui/consts/ct-var-in-collect_all_mismatches.stderr +++ b/tests/ui/consts/ct-var-in-collect_all_mismatches.stderr @@ -8,7 +8,7 @@ note: required by a bound in `Foo::<T, N>::unsatisfied` --> $DIR/ct-var-in-collect_all_mismatches.rs:15:12 | LL | fn unsatisfied(self) - | ----------- required by a bound in this + | ----------- required by a bound in this associated function LL | where LL | T: Bar<N>, | ^^^^^^ required by this bound in `Foo::<T, N>::unsatisfied` diff --git a/tests/ui/consts/gate-do-not-const-check.rs b/tests/ui/consts/gate-do-not-const-check.rs new file mode 100644 index 00000000000..be7e70dfabb --- /dev/null +++ b/tests/ui/consts/gate-do-not-const-check.rs @@ -0,0 +1,5 @@ +#[rustc_do_not_const_check] +//~^ ERROR this is an internal attribute that will never be stable +const fn foo() {} + +fn main() {} diff --git a/tests/ui/consts/gate-do-not-const-check.stderr b/tests/ui/consts/gate-do-not-const-check.stderr new file mode 100644 index 00000000000..3bb1360166a --- /dev/null +++ b/tests/ui/consts/gate-do-not-const-check.stderr @@ -0,0 +1,11 @@ +error[E0658]: this is an internal attribute that will never be stable + --> $DIR/gate-do-not-const-check.rs:1:1 + | +LL | #[rustc_do_not_const_check] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: add `#![feature(rustc_attrs)]` to the crate attributes to enable + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/deprecation/deprecation-lint.rs b/tests/ui/deprecation/deprecation-lint.rs index 0417e952eb7..83056feaf27 100644 --- a/tests/ui/deprecation/deprecation-lint.rs +++ b/tests/ui/deprecation/deprecation-lint.rs @@ -14,22 +14,22 @@ mod cross_crate { let foo = MethodTester; deprecated(); //~ ERROR use of deprecated function `deprecation_lint::deprecated` - foo.method_deprecated(); //~ ERROR use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated` - Foo::method_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated` - <Foo>::method_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated` - foo.trait_deprecated(); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` + foo.method_deprecated(); //~ ERROR use of deprecated method `deprecation_lint::MethodTester::method_deprecated` + Foo::method_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::MethodTester::method_deprecated` + <Foo>::method_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::MethodTester::method_deprecated` + foo.trait_deprecated(); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` deprecated_text(); //~ ERROR use of deprecated function `deprecation_lint::deprecated_text`: text - foo.method_deprecated_text(); //~ ERROR use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text - Foo::method_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text - <Foo>::method_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text - foo.trait_deprecated_text(); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text + foo.method_deprecated_text(); //~ ERROR use of deprecated method `deprecation_lint::MethodTester::method_deprecated_text`: text + Foo::method_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::MethodTester::method_deprecated_text`: text + <Foo>::method_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::MethodTester::method_deprecated_text`: text + foo.trait_deprecated_text(); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text let _ = DeprecatedStruct { //~ ERROR use of deprecated struct `deprecation_lint::DeprecatedStruct`: text i: 0 //~ ERROR use of deprecated field `deprecation_lint::DeprecatedStruct::i`: text @@ -61,19 +61,19 @@ mod cross_crate { } fn test_method_param<Foo: Trait>(foo: Foo) { - foo.trait_deprecated(); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text + foo.trait_deprecated(); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text } fn test_method_object(foo: &Trait) { - foo.trait_deprecated(); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ ERROR use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text + foo.trait_deprecated(); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ ERROR use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text } struct S; @@ -243,22 +243,22 @@ mod this_crate { let foo = MethodTester; deprecated(); //~ ERROR use of deprecated function `this_crate::deprecated` - foo.method_deprecated(); //~ ERROR use of deprecated associated function `this_crate::MethodTester::method_deprecated` - Foo::method_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::MethodTester::method_deprecated` - <Foo>::method_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::MethodTester::method_deprecated` - foo.trait_deprecated(); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` + foo.method_deprecated(); //~ ERROR use of deprecated method `this_crate::MethodTester::method_deprecated` + Foo::method_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::MethodTester::method_deprecated` + <Foo>::method_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::MethodTester::method_deprecated` + foo.trait_deprecated(); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` deprecated_text(); //~ ERROR use of deprecated function `this_crate::deprecated_text`: text - foo.method_deprecated_text(); //~ ERROR use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - Foo::method_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - <Foo>::method_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - foo.trait_deprecated_text(); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text + foo.method_deprecated_text(); //~ ERROR use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text + Foo::method_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text + <Foo>::method_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text + foo.trait_deprecated_text(); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text // Future deprecations are only permitted with `#![feature(staged_api)]` deprecated_future(); //~ ERROR use of deprecated function @@ -289,19 +289,19 @@ mod this_crate { } fn test_method_param<Foo: Trait>(foo: Foo) { - foo.trait_deprecated(); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text + foo.trait_deprecated(); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text } fn test_method_object(foo: &Trait) { - foo.trait_deprecated(); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ ERROR use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text + foo.trait_deprecated(); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ ERROR use of deprecated method `this_crate::Trait::trait_deprecated_text`: text } #[deprecated(since = "1.0.0", note = "text")] diff --git a/tests/ui/deprecation/deprecation-lint.stderr b/tests/ui/deprecation/deprecation-lint.stderr index 3842f849295..2098073409d 100644 --- a/tests/ui/deprecation/deprecation-lint.stderr +++ b/tests/ui/deprecation/deprecation-lint.stderr @@ -10,13 +10,13 @@ note: the lint level is defined here LL | #![deny(deprecated)] | ^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:21:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:23:25 | LL | <Foo as Trait>::trait_deprecated(&foo); @@ -28,13 +28,13 @@ error: use of deprecated function `deprecation_lint::deprecated_text`: text LL | deprecated_text(); | ^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:30:16 | -LL | ... Trait::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | Trait::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:32:25 | LL | ... <Foo as Trait>::trait_deprecated_text(&foo); @@ -100,25 +100,25 @@ error: use of deprecated function `deprecation_lint::deprecated_text`: text LL | macro_test_arg!(macro_test_arg!(deprecated_text())); | ^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:65:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:67:25 | LL | <Foo as Trait>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:69:16 | -LL | ... Trait::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | Trait::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:71:25 | LL | ... <Foo as Trait>::trait_deprecated_text(&foo); @@ -184,13 +184,13 @@ error: use of deprecated function `this_crate::deprecated`: text LL | deprecated(); | ^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:250:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:252:25 | LL | <Foo as Trait>::trait_deprecated(&foo); @@ -202,17 +202,17 @@ error: use of deprecated function `this_crate::deprecated_text`: text LL | deprecated_text(); | ^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:259:16 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:261:25 | -LL | ... <Foo as Trait>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo as Trait>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::deprecated_future`: text --> $DIR/deprecation-lint.rs:264:9 @@ -274,29 +274,29 @@ error: use of deprecated tuple struct `this_crate::nested::DeprecatedTupleStruct LL | ... let _ = nested::DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:293:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:295:25 | LL | <Foo as Trait>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:297:16 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:299:25 | -LL | ... <Foo as Trait>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo as Trait>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated function `this_crate::test_fn_closure_body::{closure#0}::bar` --> $DIR/deprecation-lint.rs:317:13 @@ -352,65 +352,65 @@ error: use of deprecated tuple struct `this_crate2::Deprecated2`: text LL | let Deprecated2 | ^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated`: text +error: use of deprecated method `deprecation_lint::MethodTester::method_deprecated`: text --> $DIR/deprecation-lint.rs:17:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated`: text +error: use of deprecated method `deprecation_lint::MethodTester::method_deprecated`: text --> $DIR/deprecation-lint.rs:18:14 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated`: text +error: use of deprecated method `deprecation_lint::MethodTester::method_deprecated`: text --> $DIR/deprecation-lint.rs:19:16 | LL | <Foo>::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:20:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:22:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text +error: use of deprecated method `deprecation_lint::MethodTester::method_deprecated_text`: text --> $DIR/deprecation-lint.rs:26:13 | -LL | ... foo.method_deprecated_text(); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | foo.method_deprecated_text(); + | ^^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text +error: use of deprecated method `deprecation_lint::MethodTester::method_deprecated_text`: text --> $DIR/deprecation-lint.rs:27:14 | -LL | ... Foo::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | Foo::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::MethodTester::method_deprecated_text`: text +error: use of deprecated method `deprecation_lint::MethodTester::method_deprecated_text`: text --> $DIR/deprecation-lint.rs:28:16 | LL | ... <Foo>::method_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:29:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:31:16 | -LL | ... <Foo>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ error: use of deprecated field `deprecation_lint::DeprecatedStruct::i`: text --> $DIR/deprecation-lint.rs:35:13 @@ -424,37 +424,37 @@ error: use of deprecated field `deprecation_lint::nested::DeprecatedStruct::i`: LL | i: 0 | ^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:64:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:66:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:68:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:70:16 | -LL | ... <Foo>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:75:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `deprecation_lint::Trait::trait_deprecated_text`: text +error: use of deprecated method `deprecation_lint::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:76:13 | LL | foo.trait_deprecated_text(); @@ -544,61 +544,61 @@ error: use of deprecated field `deprecation_lint::Deprecated2::2`: text LL | _) | ^ -error: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text +error: use of deprecated method `this_crate::MethodTester::method_deprecated`: text --> $DIR/deprecation-lint.rs:246:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text +error: use of deprecated method `this_crate::MethodTester::method_deprecated`: text --> $DIR/deprecation-lint.rs:247:14 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text +error: use of deprecated method `this_crate::MethodTester::method_deprecated`: text --> $DIR/deprecation-lint.rs:248:16 | LL | <Foo>::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:249:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:251:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text +error: use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text --> $DIR/deprecation-lint.rs:255:13 | -LL | ... foo.method_deprecated_text(); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | foo.method_deprecated_text(); + | ^^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text +error: use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text --> $DIR/deprecation-lint.rs:256:14 | -LL | ... Foo::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | Foo::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text +error: use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text --> $DIR/deprecation-lint.rs:257:16 | -LL | ... <Foo>::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:258:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:260:16 | LL | <Foo>::trait_deprecated_text(&foo); @@ -616,37 +616,37 @@ error: use of deprecated field `this_crate::nested::DeprecatedStruct::i`: text LL | i: 0 | ^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:292:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:294:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:296:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:298:16 | LL | <Foo>::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/deprecation-lint.rs:303:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -error: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +error: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/deprecation-lint.rs:304:13 | LL | foo.trait_deprecated_text(); diff --git a/tests/ui/deprecation/issue-84637-deprecated-associated-function.fixed b/tests/ui/deprecation/issue-84637-deprecated-associated-function.fixed index 99a2b09614f..85e88287094 100644 --- a/tests/ui/deprecation/issue-84637-deprecated-associated-function.fixed +++ b/tests/ui/deprecation/issue-84637-deprecated-associated-function.fixed @@ -3,7 +3,7 @@ #![deny(deprecated)] fn main() { - let _foo = str::trim_start(" aoeu"); //~ ERROR use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] + let _foo = str::trim_start(" aoeu"); //~ ERROR use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] - let _bar = " aoeu".trim_start(); //~ ERROR use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] + let _bar = " aoeu".trim_start(); //~ ERROR use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] } diff --git a/tests/ui/deprecation/issue-84637-deprecated-associated-function.rs b/tests/ui/deprecation/issue-84637-deprecated-associated-function.rs index 62bf84aa3ea..246de2f5e4b 100644 --- a/tests/ui/deprecation/issue-84637-deprecated-associated-function.rs +++ b/tests/ui/deprecation/issue-84637-deprecated-associated-function.rs @@ -3,7 +3,7 @@ #![deny(deprecated)] fn main() { - let _foo = str::trim_left(" aoeu"); //~ ERROR use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] + let _foo = str::trim_left(" aoeu"); //~ ERROR use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] - let _bar = " aoeu".trim_left(); //~ ERROR use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] + let _bar = " aoeu".trim_left(); //~ ERROR use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start` [deprecated] } diff --git a/tests/ui/deprecation/issue-84637-deprecated-associated-function.stderr b/tests/ui/deprecation/issue-84637-deprecated-associated-function.stderr index 8d4529526e3..3b518d1802b 100644 --- a/tests/ui/deprecation/issue-84637-deprecated-associated-function.stderr +++ b/tests/ui/deprecation/issue-84637-deprecated-associated-function.stderr @@ -1,4 +1,4 @@ -error: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start` +error: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start` --> $DIR/issue-84637-deprecated-associated-function.rs:6:21 | LL | let _foo = str::trim_left(" aoeu"); @@ -9,18 +9,18 @@ note: the lint level is defined here | LL | #![deny(deprecated)] | ^^^^^^^^^^ -help: replace the use of the deprecated associated function +help: replace the use of the deprecated method | LL | let _foo = str::trim_start(" aoeu"); | ~~~~~~~~~~ -error: use of deprecated associated function `core::str::<impl str>::trim_left`: superseded by `trim_start` +error: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start` --> $DIR/issue-84637-deprecated-associated-function.rs:8:26 | LL | let _bar = " aoeu".trim_left(); | ^^^^^^^^^ | -help: replace the use of the deprecated associated function +help: replace the use of the deprecated method | LL | let _bar = " aoeu".trim_start(); | ~~~~~~~~~~ diff --git a/tests/ui/deprecation/suggestion.stderr b/tests/ui/deprecation/suggestion.stderr index c5f2fc09125..5584b6d2f8f 100644 --- a/tests/ui/deprecation/suggestion.stderr +++ b/tests/ui/deprecation/suggestion.stderr @@ -14,13 +14,13 @@ help: replace the use of the deprecated function LL | bar::replacement(); | ~~~~~~~~~~~ -error: use of deprecated associated function `Foo::deprecated`: replaced by `replacement` +error: use of deprecated method `Foo::deprecated`: replaced by `replacement` --> $DIR/suggestion.rs:40:9 | LL | foo.deprecated(); | ^^^^^^^^^^ | -help: replace the use of the deprecated associated function +help: replace the use of the deprecated method | LL | foo.replacement(); | ~~~~~~~~~~~ diff --git a/tests/ui/did_you_mean/println-typo.rs b/tests/ui/did_you_mean/println-typo.rs new file mode 100644 index 00000000000..685b5e1f284 --- /dev/null +++ b/tests/ui/did_you_mean/println-typo.rs @@ -0,0 +1,6 @@ +// https://internals.rust-lang.org/t/18227 + +fn main() { + prinltn!(); //~ ERROR cannot find macro `prinltn` in this scope + //^ a macro with a similar name exists: `println` +} diff --git a/tests/ui/did_you_mean/println-typo.stderr b/tests/ui/did_you_mean/println-typo.stderr new file mode 100644 index 00000000000..43b7b1894e2 --- /dev/null +++ b/tests/ui/did_you_mean/println-typo.stderr @@ -0,0 +1,11 @@ +error: cannot find macro `prinltn` in this scope + --> $DIR/println-typo.rs:4:5 + | +LL | prinltn!(); + | ^^^^^^^ help: a macro with a similar name exists: `println` + --> $SRC_DIR/std/src/macros.rs:LL:COL + | + = note: similarly named macro `println` defined here + +error: aborting due to previous error + diff --git a/tests/ui/dyn-star/dyn-star-to-dyn.rs b/tests/ui/dyn-star/dyn-star-to-dyn.rs index a6d9df9523a..1d974b7ecb2 100644 --- a/tests/ui/dyn-star/dyn-star-to-dyn.rs +++ b/tests/ui/dyn-star/dyn-star-to-dyn.rs @@ -1,9 +1,17 @@ -// build-pass +// run-pass #![feature(dyn_star)] //~^ WARN the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes +use std::fmt::Debug; + fn main() { - let x: dyn* Send = &(); - let x = Box::new(x) as Box<dyn Send>; + let x: dyn* Debug = &42; + let x = Box::new(x) as Box<dyn Debug>; + assert_eq!("42", format!("{x:?}")); + + // Also test opposite direction. + let x: Box<dyn Debug> = Box::new(42); + let x = &x as dyn* Debug; + assert_eq!("42", format!("{x:?}")); } diff --git a/tests/ui/dyn-star/llvm-old-style-ptrs.rs b/tests/ui/dyn-star/llvm-old-style-ptrs.rs new file mode 100644 index 00000000000..d35519632be --- /dev/null +++ b/tests/ui/dyn-star/llvm-old-style-ptrs.rs @@ -0,0 +1,23 @@ +// run-pass +// compile-flags: -Copt-level=0 -Cllvm-args=-opaque-pointers=0 + +// (opaque-pointers flag is called force-opaque-pointers in LLVM 13...) +// min-llvm-version: 14.0 + +// This test can be removed once non-opaque pointers are gone from LLVM, maybe. + +#![feature(dyn_star, pointer_like_trait)] +#![allow(incomplete_features)] + +use std::fmt::Debug; +use std::marker::PointerLike; + +fn make_dyn_star<'a>(t: impl PointerLike + Debug + 'a) -> dyn* Debug + 'a { + t as _ +} + +fn main() { + println!("{:?}", make_dyn_star(Box::new(1i32))); + println!("{:?}", make_dyn_star(2usize)); + println!("{:?}", make_dyn_star((3usize,))); +} diff --git a/tests/ui/error-codes/E0107.rs b/tests/ui/error-codes/E0107.rs index d369fc2a565..fd23e7c00f2 100644 --- a/tests/ui/error-codes/E0107.rs +++ b/tests/ui/error-codes/E0107.rs @@ -11,39 +11,39 @@ enum Bar { struct Baz<'a, 'b, 'c> { buzz: Buzz<'a>, - //~^ ERROR this struct takes 2 lifetime arguments + //~^ ERROR struct takes 2 lifetime arguments //~| HELP add missing lifetime argument bar: Bar<'a>, - //~^ ERROR this enum takes 0 lifetime arguments + //~^ ERROR enum takes 0 lifetime arguments //~| HELP remove these generics foo2: Foo<'a, 'b, 'c>, - //~^ ERROR this struct takes 1 lifetime argument + //~^ ERROR struct takes 1 lifetime argument //~| HELP remove these lifetime arguments qux1: Qux<'a, 'b, i32>, - //~^ ERROR this struct takes 1 lifetime argument + //~^ ERROR struct takes 1 lifetime argument //~| HELP remove this lifetime argument qux2: Qux<'a, i32, 'b>, - //~^ ERROR this struct takes 1 lifetime argument + //~^ ERROR struct takes 1 lifetime argument //~| HELP remove this lifetime argument qux3: Qux<'a, 'b, 'c, i32>, - //~^ ERROR this struct takes 1 lifetime argument + //~^ ERROR struct takes 1 lifetime argument //~| HELP remove these lifetime arguments qux4: Qux<'a, i32, 'b, 'c>, - //~^ ERROR this struct takes 1 lifetime argument + //~^ ERROR struct takes 1 lifetime argument //~| HELP remove these lifetime arguments qux5: Qux<'a, 'b, i32, 'c>, - //~^ ERROR this struct takes 1 lifetime argument + //~^ ERROR struct takes 1 lifetime argument //~| HELP remove this lifetime argument quux: Quux<'a, i32, 'b>, - //~^ ERROR this struct takes 0 lifetime arguments + //~^ ERROR struct takes 0 lifetime arguments //~| HELP remove this lifetime argument } @@ -53,7 +53,7 @@ pub trait T { } fn trait_bound_generic<I: T<u8, u16>>(_i: I) { - //~^ ERROR this trait takes 0 generic arguments + //~^ ERROR trait takes 0 generic arguments //~| HELP replace the generic bounds with the associated types } diff --git a/tests/ui/error-codes/E0107.stderr b/tests/ui/error-codes/E0107.stderr index 03430f8fa3a..3f540eb08bc 100644 --- a/tests/ui/error-codes/E0107.stderr +++ b/tests/ui/error-codes/E0107.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/E0107.rs:13:11 | LL | buzz: Buzz<'a>, @@ -16,7 +16,7 @@ help: add missing lifetime argument LL | buzz: Buzz<'a, 'a>, | ++++ -error[E0107]: this enum takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: enum takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/E0107.rs:17:10 | LL | bar: Bar<'a>, @@ -30,7 +30,7 @@ note: enum defined here, with 0 lifetime parameters LL | enum Bar { | ^^^ -error[E0107]: this struct takes 1 lifetime argument but 3 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 3 lifetime arguments were supplied --> $DIR/E0107.rs:21:11 | LL | foo2: Foo<'a, 'b, 'c>, @@ -44,7 +44,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Foo<'a>(&'a str); | ^^^ -- -error[E0107]: this struct takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/E0107.rs:25:11 | LL | qux1: Qux<'a, 'b, i32>, @@ -58,7 +58,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Qux<'a, T>(&'a T); | ^^^ -- -error[E0107]: this struct takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/E0107.rs:29:11 | LL | qux2: Qux<'a, i32, 'b>, @@ -72,7 +72,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Qux<'a, T>(&'a T); | ^^^ -- -error[E0107]: this struct takes 1 lifetime argument but 3 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 3 lifetime arguments were supplied --> $DIR/E0107.rs:33:11 | LL | qux3: Qux<'a, 'b, 'c, i32>, @@ -86,7 +86,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Qux<'a, T>(&'a T); | ^^^ -- -error[E0107]: this struct takes 1 lifetime argument but 3 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 3 lifetime arguments were supplied --> $DIR/E0107.rs:37:11 | LL | qux4: Qux<'a, i32, 'b, 'c>, @@ -100,7 +100,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Qux<'a, T>(&'a T); | ^^^ -- -error[E0107]: this struct takes 1 lifetime argument but 3 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 3 lifetime arguments were supplied --> $DIR/E0107.rs:41:11 | LL | qux5: Qux<'a, 'b, i32, 'c>, @@ -114,7 +114,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Qux<'a, T>(&'a T); | ^^^ -- -error[E0107]: this struct takes 0 lifetime arguments but 2 lifetime arguments were supplied +error[E0107]: struct takes 0 lifetime arguments but 2 lifetime arguments were supplied --> $DIR/E0107.rs:45:11 | LL | quux: Quux<'a, i32, 'b>, @@ -128,7 +128,7 @@ note: struct defined here, with 0 lifetime parameters LL | struct Quux<T>(T); | ^^^^ -error[E0107]: this trait takes 0 generic arguments but 2 generic arguments were supplied +error[E0107]: trait takes 0 generic arguments but 2 generic arguments were supplied --> $DIR/E0107.rs:55:27 | LL | fn trait_bound_generic<I: T<u8, u16>>(_i: I) { diff --git a/tests/ui/error-codes/E0624.rs b/tests/ui/error-codes/E0624.rs index 4c68b70fb16..45f72a565ca 100644 --- a/tests/ui/error-codes/E0624.rs +++ b/tests/ui/error-codes/E0624.rs @@ -8,5 +8,5 @@ mod inner { fn main() { let foo = inner::Foo; - foo.method(); //~ ERROR associated function `method` is private [E0624] + foo.method(); //~ ERROR method `method` is private [E0624] } diff --git a/tests/ui/error-codes/E0624.stderr b/tests/ui/error-codes/E0624.stderr index e59b8a8ae35..23a8ea8a8c9 100644 --- a/tests/ui/error-codes/E0624.stderr +++ b/tests/ui/error-codes/E0624.stderr @@ -1,11 +1,11 @@ -error[E0624]: associated function `method` is private +error[E0624]: method `method` is private --> $DIR/E0624.rs:11:9 | LL | fn method(&self) {} - | ---------------- private associated function defined here + | ---------------- private method defined here ... LL | foo.method(); - | ^^^^^^ private associated function + | ^^^^^^ private method error: aborting due to previous error diff --git a/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.rs b/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.rs index 2b75f432412..6fea409ed47 100644 --- a/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.rs +++ b/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.rs @@ -71,6 +71,8 @@ struct DoubleWrapper<T> { impl<T: T1> T1 for DoubleWrapper<T> {} +impl<'a, T: T2> T1 for &'a T {} + fn example<Q>(q: Q) { // In each of the following examples, we expect the error span to point at the 'q' variable, // since the missing constraint is `Q: T3`. @@ -126,6 +128,10 @@ fn example<Q>(q: Q) { Two { a: Two { a: (), b: Two { a: Two { a: (), b: q }, b: () } }, b: () }, //~^ ERROR the trait bound `Q: T1` is not satisfied [E0277] ); + + // Verifies for reference: + want(&Burrito { spicy: false, filling: q }); + //~^ ERROR the trait bound `Q: T3` is not satisfied [E0277] } fn main() {} diff --git a/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.stderr b/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.stderr index 5f87c670d8a..6913771f288 100644 --- a/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.stderr +++ b/tests/ui/errors/traits/blame-trait-error-spans-on-exprs.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:79:60 + --> $DIR/blame-trait-error-spans-on-exprs.rs:81:60 | LL | want(Wrapper { value: Burrito { spicy: false, filling: q } }); | ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q` @@ -29,7 +29,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:83:84 + --> $DIR/blame-trait-error-spans-on-exprs.rs:85:84 | LL | want(Wrapper { value: BurritoKinds::SmallBurrito { spicy: true, small_filling: q } }); | ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q` @@ -59,7 +59,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:87:39 + --> $DIR/blame-trait-error-spans-on-exprs.rs:89:39 | LL | want(Wrapper { value: Taco(false, q) }); | ---- ^ the trait `T3` is not implemented for `Q` @@ -91,7 +91,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:91:27 + --> $DIR/blame-trait-error-spans-on-exprs.rs:93:27 | LL | want(Wrapper { value: TacoKinds::OneTaco(false, q) }); | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `T3` is not implemented for `Q` @@ -123,7 +123,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:95:74 + --> $DIR/blame-trait-error-spans-on-exprs.rs:97:74 | LL | want(Wrapper { value: GenericBurrito { spiciness: NotSpicy, filling: q } }); | ---- required by a bound introduced by this call ^ the trait `T3` is not implemented for `Q` @@ -153,7 +153,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T2` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:99:14 + --> $DIR/blame-trait-error-spans-on-exprs.rs:101:14 | LL | want((3, q)); | ---- ^ the trait `T2` is not implemented for `Q` @@ -178,7 +178,7 @@ LL | fn example<Q: T2>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:103:31 + --> $DIR/blame-trait-error-spans-on-exprs.rs:105:31 | LL | want(Wrapper { value: (3, q) }); | ---- ^ the trait `T3` is not implemented for `Q` @@ -210,7 +210,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:107:15 + --> $DIR/blame-trait-error-spans-on-exprs.rs:109:15 | LL | want(((3, q), 5)); | ---- ^ the trait `T3` is not implemented for `Q` @@ -242,7 +242,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T1` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:110:49 + --> $DIR/blame-trait-error-spans-on-exprs.rs:112:49 | LL | want(DoubleWrapper { item: Wrapper { value: q } }); | ---- ^ the trait `T1` is not implemented for `Q` @@ -267,7 +267,7 @@ LL | fn example<Q: T1>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T1` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:113:88 + --> $DIR/blame-trait-error-spans-on-exprs.rs:115:88 | LL | want(DoubleWrapper { item: Wrapper { value: DoubleWrapper { item: Wrapper { value: q } } } }); | ---- required by a bound introduced by this call ^ the trait `T1` is not implemented for `Q` @@ -292,7 +292,7 @@ LL | fn example<Q: T1>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T3` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:117:27 + --> $DIR/blame-trait-error-spans-on-exprs.rs:119:27 | LL | want(Wrapper { value: AliasBurrito { spiciness: q, filling: q } }); | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `T3` is not implemented for `Q` @@ -324,7 +324,7 @@ LL | fn example<Q: T3>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T1` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:120:35 + --> $DIR/blame-trait-error-spans-on-exprs.rs:122:35 | LL | want(Two { a: Two { a: (), b: q }, b: () }); | ---- ^ the trait `T1` is not implemented for `Q` @@ -349,7 +349,7 @@ LL | fn example<Q: T1>(q: Q) { | ++++ error[E0277]: the trait bound `Q: T1` is not satisfied - --> $DIR/blame-trait-error-spans-on-exprs.rs:126:59 + --> $DIR/blame-trait-error-spans-on-exprs.rs:128:59 | LL | want( | ---- required by a bound introduced by this call @@ -375,6 +375,38 @@ help: consider restricting type parameter `Q` LL | fn example<Q: T1>(q: Q) { | ++++ -error: aborting due to 13 previous errors +error[E0277]: the trait bound `Q: T3` is not satisfied + --> $DIR/blame-trait-error-spans-on-exprs.rs:133:44 + | +LL | want(&Burrito { spicy: false, filling: q }); + | ---- ^ the trait `T3` is not implemented for `Q` + | | + | required by a bound introduced by this call + | +note: required for `Burrito<Q>` to implement `T2` + --> $DIR/blame-trait-error-spans-on-exprs.rs:22:13 + | +LL | impl<A: T3> T2 for Burrito<A> {} + | -- ^^ ^^^^^^^^^^ + | | + | unsatisfied trait bound introduced here +note: required for `&Burrito<Q>` to implement `T1` + --> $DIR/blame-trait-error-spans-on-exprs.rs:74:17 + | +LL | impl<'a, T: T2> T1 for &'a T {} + | -- ^^ ^^^^^ + | | + | unsatisfied trait bound introduced here +note: required by a bound in `want` + --> $DIR/blame-trait-error-spans-on-exprs.rs:53:12 + | +LL | fn want<V: T1>(_x: V) {} + | ^^ required by this bound in `want` +help: consider restricting type parameter `Q` + | +LL | fn example<Q: T3>(q: Q) { + | ++++ + +error: aborting due to 14 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/explore-issue-38412.stderr b/tests/ui/explore-issue-38412.stderr index 08dadb4db85..d8b485c9dc3 100644 --- a/tests/ui/explore-issue-38412.stderr +++ b/tests/ui/explore-issue-38412.stderr @@ -79,38 +79,38 @@ LL | r.unstable_undeclared(); = note: see issue #38412 <https://github.com/rust-lang/rust/issues/38412> for more information = help: add `#![feature(unstable_undeclared)]` to the crate attributes to enable -error[E0624]: associated function `pub_crate` is private +error[E0624]: method `pub_crate` is private --> $DIR/explore-issue-38412.rs:48:7 | LL | r.pub_crate(); - | ^^^^^^^^^ private associated function + | ^^^^^^^^^ private method | ::: $DIR/auxiliary/pub-and-stability.rs:114:9 | LL | pub(crate) fn pub_crate(&self) -> i32 { self.d_priv } - | ------------------------------------- private associated function defined here + | ------------------------------------- private method defined here -error[E0624]: associated function `pub_mod` is private +error[E0624]: method `pub_mod` is private --> $DIR/explore-issue-38412.rs:49:7 | LL | r.pub_mod(); - | ^^^^^^^ private associated function + | ^^^^^^^ private method | ::: $DIR/auxiliary/pub-and-stability.rs:116:9 | LL | pub(in m) fn pub_mod(&self) -> i32 { self.d_priv } - | ---------------------------------- private associated function defined here + | ---------------------------------- private method defined here -error[E0624]: associated function `private` is private +error[E0624]: method `private` is private --> $DIR/explore-issue-38412.rs:50:7 | LL | r.private(); - | ^^^^^^^ private associated function + | ^^^^^^^ private method | ::: $DIR/auxiliary/pub-and-stability.rs:118:9 | LL | fn private(&self) -> i32 { self.d_priv } - | ------------------------ private associated function defined here + | ------------------------ private method defined here error[E0658]: use of unstable library feature 'unstable_undeclared' --> $DIR/explore-issue-38412.rs:55:7 @@ -130,38 +130,38 @@ LL | t.unstable_undeclared(); = note: see issue #38412 <https://github.com/rust-lang/rust/issues/38412> for more information = help: add `#![feature(unstable_undeclared)]` to the crate attributes to enable -error[E0624]: associated function `pub_crate` is private +error[E0624]: method `pub_crate` is private --> $DIR/explore-issue-38412.rs:61:7 | LL | t.pub_crate(); - | ^^^^^^^^^ private associated function + | ^^^^^^^^^ private method | ::: $DIR/auxiliary/pub-and-stability.rs:129:9 | LL | pub(crate) fn pub_crate(&self) -> i32 { self.0 } - | ------------------------------------- private associated function defined here + | ------------------------------------- private method defined here -error[E0624]: associated function `pub_mod` is private +error[E0624]: method `pub_mod` is private --> $DIR/explore-issue-38412.rs:62:7 | LL | t.pub_mod(); - | ^^^^^^^ private associated function + | ^^^^^^^ private method | ::: $DIR/auxiliary/pub-and-stability.rs:130:9 | LL | pub(in m) fn pub_mod(&self) -> i32 { self.0 } - | ---------------------------------- private associated function defined here + | ---------------------------------- private method defined here -error[E0624]: associated function `private` is private +error[E0624]: method `private` is private --> $DIR/explore-issue-38412.rs:63:7 | LL | t.private(); - | ^^^^^^^ private associated function + | ^^^^^^^ private method | ::: $DIR/auxiliary/pub-and-stability.rs:131:9 | LL | fn private(&self) -> i32 { self.0 } - | ------------------------ private associated function defined here + | ------------------------ private method defined here error: aborting due to 19 previous errors diff --git a/tests/ui/expr/malformed_closure/missing_braces_around_block.fixed b/tests/ui/expr/malformed_closure/missing_braces_around_block.fixed index c50b9a12b6d..a7a9db7d977 100644 --- a/tests/ui/expr/malformed_closure/missing_braces_around_block.fixed +++ b/tests/ui/expr/malformed_closure/missing_braces_around_block.fixed @@ -4,16 +4,23 @@ // If this recovery happens, then plenty of errors are emitted. Here, we expect // only one error. // -// This is part of issue #88065: +// This is part of the following issues: // https://github.com/rust-lang/rust/issues/88065 +// https://github.com/rust-lang/rust/issues/107959 // run-rustfix fn main() { + // Closure with multiple expressions delimited by semicolon. let num = 5; (1..num).reduce(|a, b| { //~^ ERROR: closure bodies that contain statements must be surrounded by braces println!("{}", a); a * b }).unwrap(); + + // Closure with a single expression ended by a semicolon. + let mut v = vec![1, 2, 3]; + v.iter_mut().for_each(|x| {*x = *x+1;}); + //~^ ERROR: closure bodies that contain statements must be surrounded by braces } diff --git a/tests/ui/expr/malformed_closure/missing_braces_around_block.rs b/tests/ui/expr/malformed_closure/missing_braces_around_block.rs index 58c81f3a6e2..b5690b2eca7 100644 --- a/tests/ui/expr/malformed_closure/missing_braces_around_block.rs +++ b/tests/ui/expr/malformed_closure/missing_braces_around_block.rs @@ -4,16 +4,23 @@ // If this recovery happens, then plenty of errors are emitted. Here, we expect // only one error. // -// This is part of issue #88065: +// This is part of the following issues: // https://github.com/rust-lang/rust/issues/88065 +// https://github.com/rust-lang/rust/issues/107959 // run-rustfix fn main() { + // Closure with multiple expressions delimited by semicolon. let num = 5; (1..num).reduce(|a, b| //~^ ERROR: closure bodies that contain statements must be surrounded by braces println!("{}", a); a * b ).unwrap(); + + // Closure with a single expression ended by a semicolon. + let mut v = vec![1, 2, 3]; + v.iter_mut().for_each(|x|*x = *x+1;); + //~^ ERROR: closure bodies that contain statements must be surrounded by braces } diff --git a/tests/ui/expr/malformed_closure/missing_braces_around_block.stderr b/tests/ui/expr/malformed_closure/missing_braces_around_block.stderr index dac9a8cfc69..039eef909fc 100644 --- a/tests/ui/expr/malformed_closure/missing_braces_around_block.stderr +++ b/tests/ui/expr/malformed_closure/missing_braces_around_block.stderr @@ -1,5 +1,5 @@ error: closure bodies that contain statements must be surrounded by braces - --> $DIR/missing_braces_around_block.rs:14:26 + --> $DIR/missing_braces_around_block.rs:16:26 | LL | (1..num).reduce(|a, b| | ^ @@ -8,14 +8,14 @@ LL | ).unwrap(); | ^ | note: statement found outside of a block - --> $DIR/missing_braces_around_block.rs:16:26 + --> $DIR/missing_braces_around_block.rs:18:26 | LL | println!("{}", a); | -----------------^ this `;` turns the preceding closure into a statement | | | this expression is a statement because of the trailing semicolon note: the closure body may be incorrectly delimited - --> $DIR/missing_braces_around_block.rs:14:21 + --> $DIR/missing_braces_around_block.rs:16:21 | LL | (1..num).reduce(|a, b| | _____________________^ @@ -34,5 +34,30 @@ LL | a * b LL ~ }).unwrap(); | -error: aborting due to previous error +error: closure bodies that contain statements must be surrounded by braces + --> $DIR/missing_braces_around_block.rs:24:29 + | +LL | v.iter_mut().for_each(|x|*x = *x+1;); + | ^ ^ + | +note: statement found outside of a block + --> $DIR/missing_braces_around_block.rs:24:39 + | +LL | v.iter_mut().for_each(|x|*x = *x+1;); + | ---------^ this `;` turns the preceding closure into a statement + | | + | this expression is a statement because of the trailing semicolon +note: the closure body may be incorrectly delimited + --> $DIR/missing_braces_around_block.rs:24:27 + | +LL | v.iter_mut().for_each(|x|*x = *x+1;); + | ^^^^^^^^^^^^ - ...but likely you meant the closure to end here + | | + | this is the parsed closure... +help: try adding braces + | +LL | v.iter_mut().for_each(|x| {*x = *x+1;}); + | + + + +error: aborting due to 2 previous errors diff --git a/tests/ui/feature-gates/feature-gate-associated_type_bounds.stderr b/tests/ui/feature-gates/feature-gate-associated_type_bounds.stderr index edbbf7db565..4233a8af9b6 100644 --- a/tests/ui/feature-gates/feature-gate-associated_type_bounds.stderr +++ b/tests/ui/feature-gates/feature-gate-associated_type_bounds.stderr @@ -115,19 +115,19 @@ LL | let _: impl Tr1<As1: Copy> = S1; = note: see issue #52662 <https://github.com/rust-lang/rust/issues/52662> for more information = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const types --> $DIR/feature-gate-associated_type_bounds.rs:55:14 | LL | const _cdef: impl Tr1<As1: Copy> = S1; | ^^^^^^^^^^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const types --> $DIR/feature-gate-associated_type_bounds.rs:61:15 | LL | static _sdef: impl Tr1<As1: Copy> = S1; | ^^^^^^^^^^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/feature-gate-associated_type_bounds.rs:68:12 | LL | let _: impl Tr1<As1: Copy> = S1; diff --git a/tests/ui/feature-gates/feature-gate-impl_trait_in_fn_trait_return.stderr b/tests/ui/feature-gates/feature-gate-impl_trait_in_fn_trait_return.stderr index 760dcb615c8..c8c3e13d7fc 100644 --- a/tests/ui/feature-gates/feature-gate-impl_trait_in_fn_trait_return.stderr +++ b/tests/ui/feature-gates/feature-gate-impl_trait_in_fn_trait_return.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types --> $DIR/feature-gate-impl_trait_in_fn_trait_return.rs:1:24 | LL | fn f() -> impl Fn() -> impl Sized { || () } @@ -7,7 +7,7 @@ LL | fn f() -> impl Fn() -> impl Sized { || () } = note: see issue #99697 <https://github.com/rust-lang/rust/issues/99697> for more information = help: add `#![feature(impl_trait_in_fn_trait_return)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types --> $DIR/feature-gate-impl_trait_in_fn_trait_return.rs:3:32 | LL | fn g() -> &'static dyn Fn() -> impl Sized { &|| () } diff --git a/tests/ui/feature-gates/feature-gate-non_lifetime_binders.stderr b/tests/ui/feature-gates/feature-gate-non_lifetime_binders.stderr index 75645e32401..01c8ee30c5f 100644 --- a/tests/ui/feature-gates/feature-gate-non_lifetime_binders.stderr +++ b/tests/ui/feature-gates/feature-gate-non_lifetime_binders.stderr @@ -4,7 +4,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | fn foo() where for<T> T:, {} | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error: aborting due to previous error diff --git a/tests/ui/feature-gates/feature-gate-return_position_impl_trait_in_trait.stderr b/tests/ui/feature-gates/feature-gate-return_position_impl_trait_in_trait.stderr index aeabed4a6ab..0082b6fafee 100644 --- a/tests/ui/feature-gates/feature-gate-return_position_impl_trait_in_trait.stderr +++ b/tests/ui/feature-gates/feature-gate-return_position_impl_trait_in_trait.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return types --> $DIR/feature-gate-return_position_impl_trait_in_trait.rs:8:17 | LL | fn bar() -> impl Sized; @@ -7,7 +7,7 @@ LL | fn bar() -> impl Sized; = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return types --> $DIR/feature-gate-return_position_impl_trait_in_trait.rs:9:21 | LL | fn baz() -> Box<impl std::fmt::Display>; @@ -16,7 +16,7 @@ LL | fn baz() -> Box<impl std::fmt::Display>; = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return types --> $DIR/feature-gate-return_position_impl_trait_in_trait.rs:15:23 | LL | async fn bar() -> impl Sized; diff --git a/tests/ui/fn/issue-3044.stderr b/tests/ui/fn/issue-3044.stderr index 2690ad71176..219029e2afd 100644 --- a/tests/ui/fn/issue-3044.stderr +++ b/tests/ui/fn/issue-3044.stderr @@ -7,7 +7,7 @@ LL | | LL | | }); | |______- an argument is missing | -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL help: provide the argument | diff --git a/tests/ui/generator/generator-yielding-or-returning-itself.stderr b/tests/ui/generator/generator-yielding-or-returning-itself.stderr index 8f5d2429a28..a26dbf3f27c 100644 --- a/tests/ui/generator/generator-yielding-or-returning-itself.stderr +++ b/tests/ui/generator/generator-yielding-or-returning-itself.stderr @@ -19,7 +19,7 @@ note: required by a bound in `want_cyclic_generator_return` --> $DIR/generator-yielding-or-returning-itself.rs:10:36 | LL | pub fn want_cyclic_generator_return<T>(_: T) - | ---------------------------- required by a bound in this + | ---------------------------- required by a bound in this function LL | where T: Generator<Yield = (), Return = T> | ^^^^^^^^^^ required by this bound in `want_cyclic_generator_return` @@ -44,7 +44,7 @@ note: required by a bound in `want_cyclic_generator_yield` --> $DIR/generator-yielding-or-returning-itself.rs:23:24 | LL | pub fn want_cyclic_generator_yield<T>(_: T) - | --------------------------- required by a bound in this + | --------------------------- required by a bound in this function LL | where T: Generator<Yield = T, Return = ()> | ^^^^^^^^^ required by this bound in `want_cyclic_generator_yield` diff --git a/tests/ui/generator/issue-102645.stderr b/tests/ui/generator/issue-102645.stderr index f6d2440295e..3f9a4c2f3c5 100644 --- a/tests/ui/generator/issue-102645.stderr +++ b/tests/ui/generator/issue-102645.stderr @@ -4,7 +4,7 @@ error[E0061]: this method takes 1 argument but 0 arguments were supplied LL | Pin::new(&mut b).resume(); | ^^^^^^-- an argument of type `()` is missing | -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/ops/generator.rs:LL:COL help: provide the argument | diff --git a/tests/ui/generic-associated-types/bugs/issue-88460.stderr b/tests/ui/generic-associated-types/bugs/issue-88460.stderr index 6612c4b4944..a2047f103d4 100644 --- a/tests/ui/generic-associated-types/bugs/issue-88460.stderr +++ b/tests/ui/generic-associated-types/bugs/issue-88460.stderr @@ -11,7 +11,7 @@ note: required by a bound in `test` --> $DIR/issue-88460.rs:15:27 | LL | fn test<T>(value: T) - | ---- required by a bound in this + | ---- required by a bound in this function ... LL | for<'a> T::Assoc<'a>: Marker, | ^^^^^^ required by this bound in `test` diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs index 9eb069637c6..5738dfa83ee 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.rs @@ -5,12 +5,12 @@ trait X { fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} //~^ ERROR: lifetime in trait object type must be followed by `+` //~| ERROR: parenthesized generic arguments cannot be used - //~| ERROR this associated type takes 0 generic arguments but 1 generic argument - //~| ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} //~^ ERROR: parenthesized generic arguments cannot be used - //~| ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 1 lifetime argument but 0 lifetime arguments fn main() {} diff --git a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr index 165779796e0..461853379b5 100644 --- a/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr +++ b/tests/ui/generic-associated-types/gat-trait-path-parenthesised-args.stderr @@ -23,7 +23,7 @@ LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} | | | help: remove these parentheses -error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/gat-trait-path-parenthesised-args.rs:5:27 | LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} @@ -39,7 +39,7 @@ help: add missing lifetime argument LL | fn foo<'a>(arg: Box<dyn X<Y('_, 'a) = &'a ()>>) {} | +++ -error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied --> $DIR/gat-trait-path-parenthesised-args.rs:5:27 | LL | fn foo<'a>(arg: Box<dyn X<Y('a) = &'a ()>>) {} @@ -53,7 +53,7 @@ note: associated type defined here, with 0 generic parameters LL | type Y<'a>; | ^ -error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/gat-trait-path-parenthesised-args.rs:12:27 | LL | fn bar<'a>(arg: Box<dyn X<Y() = ()>>) {} diff --git a/tests/ui/generic-associated-types/issue-101020.stderr b/tests/ui/generic-associated-types/issue-101020.stderr index 1f9273a8c4a..5c8db617c17 100644 --- a/tests/ui/generic-associated-types/issue-101020.stderr +++ b/tests/ui/generic-associated-types/issue-101020.stderr @@ -13,7 +13,7 @@ note: required by a bound in `LendingIterator::consume` --> $DIR/issue-101020.rs:9:33 | LL | fn consume<F>(self, _f: F) - | ------- required by a bound in this + | ------- required by a bound in this associated function ... LL | for<'a> Self::Item<'a>: FuncInput<'a, Self::Item<'a>>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `LendingIterator::consume` diff --git a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.rs b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs index 83655341d6a..83655341d6a 100644 --- a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.rs +++ b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.rs diff --git a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.stderr b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr index baef38f6b80..4246f8c069d 100644 --- a/tests/ui/generic-associated-types/method-unsatified-assoc-type-predicate.stderr +++ b/tests/ui/generic-associated-types/method-unsatisfied-assoc-type-predicate.stderr @@ -1,5 +1,5 @@ error[E0599]: the method `f` exists for struct `S`, but its trait bounds were not satisfied - --> $DIR/method-unsatified-assoc-type-predicate.rs:28:7 + --> $DIR/method-unsatisfied-assoc-type-predicate.rs:28:7 | LL | struct S; | -------- @@ -12,7 +12,7 @@ LL | a.f(); | ^ method cannot be called on `S` due to unsatisfied trait bounds | note: trait bound `<S as X>::Y<i32> = i32` was not satisfied - --> $DIR/method-unsatified-assoc-type-predicate.rs:12:11 + --> $DIR/method-unsatisfied-assoc-type-predicate.rs:12:11 | LL | impl<T: X<Y<i32> = i32>> M for T {} | ^^^^^^^^^^^^ - - diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.rs b/tests/ui/generic-associated-types/missing_lifetime_args.rs index 78def80925a..331511ba61a 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.rs +++ b/tests/ui/generic-associated-types/missing_lifetime_args.rs @@ -12,9 +12,9 @@ fn foo<'c, 'd>(_arg: Box<dyn X<Y = (&'c u32, &'d u32)>>) {} //~^ ERROR missing generics for associated type fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {} -//~^ ERROR this struct takes 3 lifetime arguments but 2 lifetime +//~^ ERROR struct takes 3 lifetime arguments but 2 lifetime fn f<'a>(_arg: Foo<'a>) {} -//~^ ERROR this struct takes 3 lifetime arguments but 1 lifetime +//~^ ERROR struct takes 3 lifetime arguments but 1 lifetime fn main() {} diff --git a/tests/ui/generic-associated-types/missing_lifetime_args.stderr b/tests/ui/generic-associated-types/missing_lifetime_args.stderr index 8f74b12c008..1a7a2e787a1 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_args.stderr +++ b/tests/ui/generic-associated-types/missing_lifetime_args.stderr @@ -14,7 +14,7 @@ help: add missing lifetime arguments LL | fn foo<'c, 'd>(_arg: Box<dyn X<Y<'_, '_> = (&'c u32, &'d u32)>>) {} | ++++++++ -error[E0107]: this struct takes 3 lifetime arguments but 2 lifetime arguments were supplied +error[E0107]: struct takes 3 lifetime arguments but 2 lifetime arguments were supplied --> $DIR/missing_lifetime_args.rs:14:26 | LL | fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b>) {} @@ -32,7 +32,7 @@ help: add missing lifetime argument LL | fn bar<'a, 'b, 'c>(_arg: Foo<'a, 'b, 'a>) {} | ++++ -error[E0107]: this struct takes 3 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 3 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing_lifetime_args.rs:17:16 | LL | fn f<'a>(_arg: Foo<'a>) {} diff --git a/tests/ui/generic-associated-types/missing_lifetime_const.rs b/tests/ui/generic-associated-types/missing_lifetime_const.rs index 8b174b9e971..6e395dfdec1 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_const.rs +++ b/tests/ui/generic-associated-types/missing_lifetime_const.rs @@ -4,7 +4,7 @@ trait Foo { fn foo<T: Foo>() { let _: <T as Foo>::Assoc<3>; - //~^ ERROR this associated type + //~^ ERROR associated type } fn main() {} diff --git a/tests/ui/generic-associated-types/missing_lifetime_const.stderr b/tests/ui/generic-associated-types/missing_lifetime_const.stderr index 62d2e9f49dd..41945aabfb5 100644 --- a/tests/ui/generic-associated-types/missing_lifetime_const.stderr +++ b/tests/ui/generic-associated-types/missing_lifetime_const.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/missing_lifetime_const.rs:6:24 | LL | let _: <T as Foo>::Assoc<3>; diff --git a/tests/ui/generic-associated-types/parameter_number_and_kind.rs b/tests/ui/generic-associated-types/parameter_number_and_kind.rs index 8428e7763fb..ae2f7c00ea4 100644 --- a/tests/ui/generic-associated-types/parameter_number_and_kind.rs +++ b/tests/ui/generic-associated-types/parameter_number_and_kind.rs @@ -9,10 +9,10 @@ trait Foo { // Test parameters in default values type FOk<T> = Self::E<'static, T>; type FErr1 = Self::E<'static, 'static>; - //~^ ERROR this associated type takes 1 lifetime argument but 2 lifetime arguments were supplied - //~| ERROR this associated type takes 1 + //~^ ERROR associated type takes 1 lifetime argument but 2 lifetime arguments were supplied + //~| ERROR associated type takes 1 type FErr2<T> = Self::E<'static, T, u32>; - //~^ ERROR this associated type takes 1 + //~^ ERROR associated type takes 1 } fn main() {} diff --git a/tests/ui/generic-associated-types/parameter_number_and_kind.stderr b/tests/ui/generic-associated-types/parameter_number_and_kind.stderr index c20b9669e81..4523044b588 100644 --- a/tests/ui/generic-associated-types/parameter_number_and_kind.stderr +++ b/tests/ui/generic-associated-types/parameter_number_and_kind.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated type takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/parameter_number_and_kind.rs:11:24 | LL | type FErr1 = Self::E<'static, 'static>; @@ -12,7 +12,7 @@ note: associated type defined here, with 1 lifetime parameter: `'a` LL | type E<'a, T>; | ^ -- -error[E0107]: this associated type takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: associated type takes 1 generic argument but 0 generic arguments were supplied --> $DIR/parameter_number_and_kind.rs:11:24 | LL | type FErr1 = Self::E<'static, 'static>; @@ -28,7 +28,7 @@ help: add missing generic argument LL | type FErr1 = Self::E<'static, 'static, T>; | +++ -error[E0107]: this associated type takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: associated type takes 1 generic argument but 2 generic arguments were supplied --> $DIR/parameter_number_and_kind.rs:14:27 | LL | type FErr2<T> = Self::E<'static, T, u32>; diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs index 1622b92aa0c..c58f9cf1dfc 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.rs @@ -4,8 +4,8 @@ trait X { const _: () = { fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} - //~^ ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments - //~| ERROR this associated type takes 0 generic arguments but 1 generic argument + //~^ ERROR associated type takes 1 lifetime argument but 0 lifetime arguments + //~| ERROR associated type takes 0 generic arguments but 1 generic argument }; fn main() {} diff --git a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr index 0a09ec5dc49..fab5b474d92 100644 --- a/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr +++ b/tests/ui/generic-associated-types/parse/trait-path-type-error-once-implemented.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/trait-path-type-error-once-implemented.rs:6:29 | LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} @@ -14,7 +14,7 @@ help: add missing lifetime argument LL | fn f2<'a>(arg : Box<dyn X<Y<'_, 1> = &'a ()>>) {} | +++ -error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied --> $DIR/trait-path-type-error-once-implemented.rs:6:29 | LL | fn f2<'a>(arg : Box<dyn X<Y<1> = &'a ()>>) {} diff --git a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.rs b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.rs index 1cc09aa6dd4..060ee8821d8 100644 --- a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.rs +++ b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.rs @@ -1,3 +1,5 @@ +#![warn(unused_lifetimes)] + pub trait X { type Y<'a: 'static>; //~^ WARNING unnecessary lifetime parameter diff --git a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.stderr b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.stderr index fbd79879d0f..a69cd0028c1 100644 --- a/tests/ui/generic-associated-types/unsatified-item-lifetime-bound.stderr +++ b/tests/ui/generic-associated-types/unsatisfied-item-lifetime-bound.stderr @@ -1,45 +1,50 @@ warning: unnecessary lifetime parameter `'a` - --> $DIR/unsatified-item-lifetime-bound.rs:2:12 + --> $DIR/unsatisfied-item-lifetime-bound.rs:4:12 | LL | type Y<'a: 'static>; | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` +note: the lint level is defined here + --> $DIR/unsatisfied-item-lifetime-bound.rs:1:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ error[E0478]: lifetime bound not satisfied - --> $DIR/unsatified-item-lifetime-bound.rs:11:8 + --> $DIR/unsatisfied-item-lifetime-bound.rs:13:8 | LL | f: <T as X>::Y<'a>, | ^^^^^^^^^^^^^^^ | note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/unsatified-item-lifetime-bound.rs:10:10 + --> $DIR/unsatisfied-item-lifetime-bound.rs:12:10 | LL | struct B<'a, T: for<'r> X<Y<'r> = &'r ()>> { | ^^ = note: but lifetime parameter must outlive the static lifetime error[E0478]: lifetime bound not satisfied - --> $DIR/unsatified-item-lifetime-bound.rs:16:8 + --> $DIR/unsatisfied-item-lifetime-bound.rs:18:8 | LL | f: <T as X>::Y<'a>, | ^^^^^^^^^^^^^^^ | note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/unsatified-item-lifetime-bound.rs:15:10 + --> $DIR/unsatisfied-item-lifetime-bound.rs:17:10 | LL | struct C<'a, T: X> { | ^^ = note: but lifetime parameter must outlive the static lifetime error[E0478]: lifetime bound not satisfied - --> $DIR/unsatified-item-lifetime-bound.rs:21:8 + --> $DIR/unsatisfied-item-lifetime-bound.rs:23:8 | LL | f: <() as X>::Y<'a>, | ^^^^^^^^^^^^^^^^ | note: lifetime parameter instantiated with the lifetime `'a` as defined here - --> $DIR/unsatified-item-lifetime-bound.rs:20:10 + --> $DIR/unsatisfied-item-lifetime-bound.rs:22:10 | LL | struct D<'a> { | ^^ diff --git a/tests/ui/generics/bad-mid-path-type-params.rs b/tests/ui/generics/bad-mid-path-type-params.rs index 23a5d1525d9..37d484cba0b 100644 --- a/tests/ui/generics/bad-mid-path-type-params.rs +++ b/tests/ui/generics/bad-mid-path-type-params.rs @@ -28,17 +28,17 @@ impl Trait<isize> for S2 { fn foo<'a>() { let _ = S::new::<isize,f64>(1, 1.0); - //~^ ERROR this associated function takes 1 + //~^ ERROR associated function takes 1 let _ = S::<'a,isize>::new::<f64>(1, 1.0); - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument was supplied let _: S2 = Trait::new::<isize,f64>(1, 1.0); - //~^ ERROR this associated function takes 1 + //~^ ERROR associated function takes 1 let _: S2 = Trait::<'a,isize>::new::<f64,f64>(1, 1.0); - //~^ ERROR this trait takes 0 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this associated function takes 1 + //~^ ERROR trait takes 0 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR associated function takes 1 } fn main() {} diff --git a/tests/ui/generics/bad-mid-path-type-params.stderr b/tests/ui/generics/bad-mid-path-type-params.stderr index aee2b60159f..71e15dd4c92 100644 --- a/tests/ui/generics/bad-mid-path-type-params.stderr +++ b/tests/ui/generics/bad-mid-path-type-params.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: associated function takes 1 generic argument but 2 generic arguments were supplied --> $DIR/bad-mid-path-type-params.rs:30:16 | LL | let _ = S::new::<isize,f64>(1, 1.0); @@ -12,7 +12,7 @@ note: associated function defined here, with 1 generic parameter: `U` LL | fn new<U>(x: T, _: U) -> S<T> { | ^^^ - -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/bad-mid-path-type-params.rs:33:13 | LL | let _ = S::<'a,isize>::new::<f64>(1, 1.0); @@ -26,7 +26,7 @@ note: struct defined here, with 0 lifetime parameters LL | struct S<T> { | ^ -error[E0107]: this associated function takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: associated function takes 1 generic argument but 2 generic arguments were supplied --> $DIR/bad-mid-path-type-params.rs:36:24 | LL | let _: S2 = Trait::new::<isize,f64>(1, 1.0); @@ -40,7 +40,7 @@ note: associated function defined here, with 1 generic parameter: `U` LL | fn new<U>(x: T, y: U) -> Self; | ^^^ - -error[E0107]: this trait takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/bad-mid-path-type-params.rs:39:17 | LL | let _: S2 = Trait::<'a,isize>::new::<f64,f64>(1, 1.0); @@ -54,7 +54,7 @@ note: trait defined here, with 0 lifetime parameters LL | trait Trait<T> { | ^^^^^ -error[E0107]: this associated function takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: associated function takes 1 generic argument but 2 generic arguments were supplied --> $DIR/bad-mid-path-type-params.rs:39:36 | LL | let _: S2 = Trait::<'a,isize>::new::<f64,f64>(1, 1.0); diff --git a/tests/ui/generics/generic-arg-mismatch-recover.rs b/tests/ui/generics/generic-arg-mismatch-recover.rs index 2cf7f1d657b..947f33414db 100644 --- a/tests/ui/generics/generic-arg-mismatch-recover.rs +++ b/tests/ui/generics/generic-arg-mismatch-recover.rs @@ -4,9 +4,9 @@ struct Bar<'a>(&'a ()); fn main() { Foo::<'static, 'static, ()>(&0); - //~^ ERROR this struct takes 1 lifetime argument but 2 lifetime arguments were supplied + //~^ ERROR struct takes 1 lifetime argument but 2 lifetime arguments were supplied Bar::<'static, 'static, ()>(&()); - //~^ ERROR this struct takes 1 lifetime argument but 2 lifetime arguments were supplied - //~| ERROR this struct takes 0 + //~^ ERROR struct takes 1 lifetime argument but 2 lifetime arguments were supplied + //~| ERROR struct takes 0 } diff --git a/tests/ui/generics/generic-arg-mismatch-recover.stderr b/tests/ui/generics/generic-arg-mismatch-recover.stderr index 45fea925f27..f549a7180fc 100644 --- a/tests/ui/generics/generic-arg-mismatch-recover.stderr +++ b/tests/ui/generics/generic-arg-mismatch-recover.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/generic-arg-mismatch-recover.rs:6:5 | LL | Foo::<'static, 'static, ()>(&0); @@ -12,7 +12,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Foo<'a, T: 'a>(&'a T); | ^^^ -- -error[E0107]: this struct takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/generic-arg-mismatch-recover.rs:9:5 | LL | Bar::<'static, 'static, ()>(&()); @@ -26,7 +26,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Bar<'a>(&'a ()); | ^^^ -- -error[E0107]: this struct takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied --> $DIR/generic-arg-mismatch-recover.rs:9:5 | LL | Bar::<'static, 'static, ()>(&()); diff --git a/tests/ui/generics/generic-impl-less-params-with-defaults.rs b/tests/ui/generics/generic-impl-less-params-with-defaults.rs index 66afbb58ad4..6c00411561e 100644 --- a/tests/ui/generics/generic-impl-less-params-with-defaults.rs +++ b/tests/ui/generics/generic-impl-less-params-with-defaults.rs @@ -9,5 +9,5 @@ impl<A, B, C> Foo<A, B, C> { fn main() { Foo::<isize>::new(); - //~^ ERROR this struct takes at least 2 generic arguments but 1 generic argument + //~^ ERROR struct takes at least 2 generic arguments but 1 generic argument } diff --git a/tests/ui/generics/generic-impl-less-params-with-defaults.stderr b/tests/ui/generics/generic-impl-less-params-with-defaults.stderr index cdbb57902e4..262561fa81e 100644 --- a/tests/ui/generics/generic-impl-less-params-with-defaults.stderr +++ b/tests/ui/generics/generic-impl-less-params-with-defaults.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes at least 2 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes at least 2 generic arguments but 1 generic argument was supplied --> $DIR/generic-impl-less-params-with-defaults.rs:11:5 | LL | Foo::<isize>::new(); diff --git a/tests/ui/generics/generic-impl-more-params-with-defaults.rs b/tests/ui/generics/generic-impl-more-params-with-defaults.rs index a283323742a..be633ec464f 100644 --- a/tests/ui/generics/generic-impl-more-params-with-defaults.rs +++ b/tests/ui/generics/generic-impl-more-params-with-defaults.rs @@ -11,5 +11,5 @@ impl<T, A> Vec<T, A> { fn main() { Vec::<isize, Heap, bool>::new(); - //~^ ERROR this struct takes at most 2 generic arguments but 3 generic arguments were supplied + //~^ ERROR struct takes at most 2 generic arguments but 3 generic arguments were supplied } diff --git a/tests/ui/generics/generic-impl-more-params-with-defaults.stderr b/tests/ui/generics/generic-impl-more-params-with-defaults.stderr index fe9b670da79..2f4682c4e5a 100644 --- a/tests/ui/generics/generic-impl-more-params-with-defaults.stderr +++ b/tests/ui/generics/generic-impl-more-params-with-defaults.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes at most 2 generic arguments but 3 generic arguments were supplied +error[E0107]: struct takes at most 2 generic arguments but 3 generic arguments were supplied --> $DIR/generic-impl-more-params-with-defaults.rs:13:5 | LL | Vec::<isize, Heap, bool>::new(); diff --git a/tests/ui/generics/generic-type-more-params-with-defaults.rs b/tests/ui/generics/generic-type-more-params-with-defaults.rs index 3dab03297c9..b83fdb5c455 100644 --- a/tests/ui/generics/generic-type-more-params-with-defaults.rs +++ b/tests/ui/generics/generic-type-more-params-with-defaults.rs @@ -7,5 +7,5 @@ struct Vec<T, A = Heap>( fn main() { let _: Vec<isize, Heap, bool>; - //~^ ERROR this struct takes at most 2 generic arguments but 3 generic arguments + //~^ ERROR struct takes at most 2 generic arguments but 3 generic arguments } diff --git a/tests/ui/generics/generic-type-more-params-with-defaults.stderr b/tests/ui/generics/generic-type-more-params-with-defaults.stderr index 7f0198f0e84..4d01ba1f453 100644 --- a/tests/ui/generics/generic-type-more-params-with-defaults.stderr +++ b/tests/ui/generics/generic-type-more-params-with-defaults.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes at most 2 generic arguments but 3 generic arguments were supplied +error[E0107]: struct takes at most 2 generic arguments but 3 generic arguments were supplied --> $DIR/generic-type-more-params-with-defaults.rs:9:12 | LL | let _: Vec<isize, Heap, bool>; diff --git a/tests/ui/generics/wrong-number-of-args.rs b/tests/ui/generics/wrong-number-of-args.rs index cd2f96a1819..e4eaff21af1 100644 --- a/tests/ui/generics/wrong-number-of-args.rs +++ b/tests/ui/generics/wrong-number-of-args.rs @@ -4,18 +4,18 @@ mod no_generics { type A = Ty; type B = Ty<'static>; - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument //~| HELP remove these generics type C = Ty<'static, usize>; - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument - //~| ERROR this struct takes 0 generic arguments but 1 generic argument + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument + //~| ERROR struct takes 0 generic arguments but 1 generic argument //~| HELP remove this lifetime argument //~| HELP remove this generic argument type D = Ty<'static, usize, { 0 }>; - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument - //~| ERROR this struct takes 0 generic arguments but 2 generic arguments + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument + //~| ERROR struct takes 0 generic arguments but 2 generic arguments //~| HELP remove this lifetime argument //~| HELP remove these generic arguments } @@ -28,17 +28,17 @@ mod type_and_type { //~| HELP add missing type B = Ty<usize>; - //~^ ERROR this struct takes 2 generic arguments but 1 generic argument + //~^ ERROR struct takes 2 generic arguments but 1 generic argument //~| HELP add missing type C = Ty<usize, String>; type D = Ty<usize, String, char>; - //~^ ERROR this struct takes 2 generic arguments but 3 generic arguments + //~^ ERROR struct takes 2 generic arguments but 3 generic arguments //~| HELP remove this type E = Ty<>; - //~^ ERROR this struct takes 2 generic arguments but 0 generic arguments were supplied + //~^ ERROR struct takes 2 generic arguments but 0 generic arguments were supplied //~| HELP add missing } @@ -52,7 +52,7 @@ mod lifetime_and_type { //~| HELP consider introducing type B = Ty<'static>; - //~^ ERROR this struct takes 1 generic argument but 0 generic arguments + //~^ ERROR struct takes 1 generic argument but 0 generic arguments //~| HELP add missing type C = Ty<usize>; @@ -62,14 +62,14 @@ mod lifetime_and_type { type D = Ty<'static, usize>; type E = Ty<>; - //~^ ERROR this struct takes 1 generic argument but 0 generic arguments + //~^ ERROR struct takes 1 generic argument but 0 generic arguments //~| ERROR missing lifetime specifier //~| HELP consider introducing //~| HELP add missing type F = Ty<'static, usize, 'static, usize>; - //~^ ERROR this struct takes 1 lifetime argument but 2 lifetime arguments - //~| ERROR this struct takes 1 generic argument but 2 generic arguments + //~^ ERROR struct takes 1 lifetime argument but 2 lifetime arguments + //~| ERROR struct takes 1 generic argument but 2 generic arguments //~| HELP remove this lifetime argument //~| HELP remove this generic argument } @@ -82,7 +82,7 @@ mod type_and_type_and_type { //~| HELP add missing type B = Ty<usize>; - //~^ ERROR this struct takes at least 2 + //~^ ERROR struct takes at least 2 //~| HELP add missing type C = Ty<usize, String>; @@ -90,11 +90,11 @@ mod type_and_type_and_type { type D = Ty<usize, String, char>; type E = Ty<usize, String, char, f64>; - //~^ ERROR this struct takes at most 3 + //~^ ERROR struct takes at most 3 //~| HELP remove type F = Ty<>; - //~^ ERROR this struct takes at least 2 generic arguments but 0 generic arguments + //~^ ERROR struct takes at least 2 generic arguments but 0 generic arguments //~| HELP add missing } @@ -114,7 +114,7 @@ mod r#trait { } type A = Box<dyn NonGeneric<usize>>; - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| HELP remove type B = Box<dyn GenericLifetime>; @@ -123,7 +123,7 @@ mod r#trait { //~| HELP consider making the bound lifetime-generic type C = Box<dyn GenericLifetime<'static, 'static>>; - //~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied + //~^ ERROR trait takes 1 lifetime argument but 2 lifetime arguments were supplied //~| HELP remove type D = Box<dyn GenericType>; @@ -131,7 +131,7 @@ mod r#trait { //~| HELP add missing type E = Box<dyn GenericType<String, usize>>; - //~^ ERROR this trait takes 1 generic argument but 2 generic arguments + //~^ ERROR trait takes 1 generic argument but 2 generic arguments //~| HELP remove type F = Box<dyn GenericLifetime<>>; @@ -140,7 +140,7 @@ mod r#trait { //~| HELP consider making the bound lifetime-generic type G = Box<dyn GenericType<>>; - //~^ ERROR this trait takes 1 generic argument but 0 generic arguments + //~^ ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing } @@ -151,7 +151,7 @@ mod associated_item { } type A = Box<dyn NonGenericAT<usize, AssocTy=()>>; - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| HELP remove } @@ -166,14 +166,14 @@ mod associated_item { //~| HELP consider making the bound lifetime-generic type B = Box<dyn GenericLifetimeAT<'static, 'static, AssocTy=()>>; - //~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied + //~^ ERROR trait takes 1 lifetime argument but 2 lifetime arguments were supplied //~| HELP remove type C = Box<dyn GenericLifetimeAT<(), AssocTy=()>>; //~^ ERROR missing lifetime specifier //~| HELP consider introducing //~| HELP consider making the bound lifetime-generic - //~| ERROR this trait takes 0 generic arguments but 1 generic argument + //~| ERROR trait takes 0 generic arguments but 1 generic argument //~| HELP remove } @@ -183,17 +183,17 @@ mod associated_item { } type A = Box<dyn GenericTypeAT<AssocTy=()>>; - //~^ ERROR this trait takes 1 generic argument but 0 generic arguments + //~^ ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing type B = Box<dyn GenericTypeAT<(), (), AssocTy=()>>; - //~^ ERROR this trait takes 1 generic argument but 2 generic arguments + //~^ ERROR trait takes 1 generic argument but 2 generic arguments //~| HELP remove type C = Box<dyn GenericTypeAT<'static, AssocTy=()>>; - //~^ ERROR this trait takes 1 generic argument but 0 generic arguments + //~^ ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing - //~| ERROR this trait takes 0 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR trait takes 0 lifetime arguments but 1 lifetime argument was supplied //~| HELP remove } @@ -203,20 +203,20 @@ mod associated_item { } type A = Box<dyn GenericLifetimeTypeAT<AssocTy=()>>; - //~^ ERROR this trait takes 1 generic argument but 0 generic arguments + //~^ ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing //~| ERROR missing lifetime specifier //~| HELP consider introducing //~| HELP consider making the bound lifetime-generic type B = Box<dyn GenericLifetimeTypeAT<'static, AssocTy=()>>; - //~^ ERROR this trait takes 1 generic argument but 0 generic arguments were supplied + //~^ ERROR trait takes 1 generic argument but 0 generic arguments were supplied //~| HELP add missing type C = Box<dyn GenericLifetimeTypeAT<'static, 'static, AssocTy=()>>; - //~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied + //~^ ERROR trait takes 1 lifetime argument but 2 lifetime arguments were supplied //~| HELP remove - //~| ERROR this trait takes 1 generic argument but 0 generic arguments + //~| ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing type D = Box<dyn GenericLifetimeTypeAT<(), AssocTy=()>>; @@ -228,21 +228,21 @@ mod associated_item { //~^ ERROR missing lifetime specifier //~| HELP consider introducing //~| HELP consider making the bound lifetime-generic - //~| ERROR this trait takes 1 generic argument but 2 generic arguments + //~| ERROR trait takes 1 generic argument but 2 generic arguments //~| HELP remove type F = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), AssocTy=()>>; - //~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied + //~^ ERROR trait takes 1 lifetime argument but 2 lifetime arguments were supplied //~| HELP remove type G = Box<dyn GenericLifetimeTypeAT<'static, (), (), AssocTy=()>>; - //~^ ERROR this trait takes 1 generic argument but 2 generic arguments + //~^ ERROR trait takes 1 generic argument but 2 generic arguments //~| HELP remove type H = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), (), AssocTy=()>>; - //~^ ERROR this trait takes 1 lifetime argument but 2 lifetime arguments were supplied + //~^ ERROR trait takes 1 lifetime argument but 2 lifetime arguments were supplied //~| HELP remove - //~| ERROR this trait takes 1 generic argument but 2 generic arguments + //~| ERROR trait takes 1 generic argument but 2 generic arguments //~| HELP remove } @@ -252,15 +252,15 @@ mod associated_item { } type A = Box<dyn GenericTypeTypeAT<AssocTy=()>>; - //~^ ERROR this trait takes 2 generic arguments but 0 generic arguments + //~^ ERROR trait takes 2 generic arguments but 0 generic arguments //~| HELP add missing type B = Box<dyn GenericTypeTypeAT<(), AssocTy=()>>; - //~^ ERROR this trait takes 2 generic arguments but 1 generic argument + //~^ ERROR trait takes 2 generic arguments but 1 generic argument //~| HELP add missing type C = Box<dyn GenericTypeTypeAT<(), (), (), AssocTy=()>>; - //~^ ERROR this trait takes 2 generic arguments but 3 generic arguments + //~^ ERROR trait takes 2 generic arguments but 3 generic arguments //~| HELP remove } @@ -275,7 +275,7 @@ mod associated_item { //~| HELP consider making the bound lifetime-generic type B = Box<dyn GenericLifetimeLifetimeAT<'static, AssocTy=()>>; - //~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied //~| HELP add missing lifetime argument } @@ -288,17 +288,17 @@ mod associated_item { //~^ ERROR missing lifetime specifier //~| HELP consider introducing //~| HELP consider making the bound lifetime-generic - //~| ERROR this trait takes 1 generic argument but 0 generic arguments + //~| ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing type B = Box<dyn GenericLifetimeLifetimeTypeAT<'static, AssocTy=()>>; - //~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied //~| HELP add missing lifetime argument - //~| ERROR this trait takes 1 generic argument but 0 generic arguments + //~| ERROR trait takes 1 generic argument but 0 generic arguments //~| HELP add missing type C = Box<dyn GenericLifetimeLifetimeTypeAT<'static, (), AssocTy=()>>; - //~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied //~| HELP add missing lifetime argument } } @@ -312,21 +312,21 @@ mod stdlib { //~| HELP add missing type B = HashMap<String>; - //~^ ERROR this struct takes at least + //~^ ERROR struct takes at least //~| HELP add missing type C = HashMap<'static>; - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument //~| HELP remove these generics - //~| ERROR this struct takes at least 2 + //~| ERROR struct takes at least 2 //~| HELP add missing type D = HashMap<usize, String, char, f64>; - //~^ ERROR this struct takes at most 3 + //~^ ERROR struct takes at most 3 //~| HELP remove this type E = HashMap<>; - //~^ ERROR this struct takes at least 2 generic arguments but 0 generic arguments + //~^ ERROR struct takes at least 2 generic arguments but 0 generic arguments //~| HELP add missing } @@ -336,21 +336,21 @@ mod stdlib { //~| HELP add missing type B = Result<String>; - //~^ ERROR this enum takes 2 generic arguments but 1 generic argument + //~^ ERROR enum takes 2 generic arguments but 1 generic argument //~| HELP add missing type C = Result<'static>; - //~^ ERROR this enum takes 0 lifetime arguments but 1 lifetime argument + //~^ ERROR enum takes 0 lifetime arguments but 1 lifetime argument //~| HELP remove these generics - //~| ERROR this enum takes 2 generic arguments but 0 generic arguments + //~| ERROR enum takes 2 generic arguments but 0 generic arguments //~| HELP add missing type D = Result<usize, String, char>; - //~^ ERROR this enum takes 2 generic arguments but 3 generic arguments + //~^ ERROR enum takes 2 generic arguments but 3 generic arguments //~| HELP remove type E = Result<>; - //~^ ERROR this enum takes 2 generic arguments but 0 generic arguments + //~^ ERROR enum takes 2 generic arguments but 0 generic arguments //~| HELP add missing } } diff --git a/tests/ui/generics/wrong-number-of-args.stderr b/tests/ui/generics/wrong-number-of-args.stderr index 75e33f680ea..9006fb10b67 100644 --- a/tests/ui/generics/wrong-number-of-args.stderr +++ b/tests/ui/generics/wrong-number-of-args.stderr @@ -167,7 +167,7 @@ help: consider introducing a named lifetime parameter LL | type A<'a> = Box<dyn GenericLifetimeLifetimeTypeAT<'a, 'a, AssocTy=()>>; | ++++ +++++++ -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:6:14 | LL | type B = Ty<'static>; @@ -181,7 +181,7 @@ note: struct defined here, with 0 lifetime parameters LL | struct Ty; | ^^ -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:10:14 | LL | type C = Ty<'static, usize>; @@ -195,7 +195,7 @@ note: struct defined here, with 0 lifetime parameters LL | struct Ty; | ^^ -error[E0107]: this struct takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:10:14 | LL | type C = Ty<'static, usize>; @@ -209,7 +209,7 @@ note: struct defined here, with 0 generic parameters LL | struct Ty; | ^^ -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:16:14 | LL | type D = Ty<'static, usize, { 0 }>; @@ -223,7 +223,7 @@ note: struct defined here, with 0 lifetime parameters LL | struct Ty; | ^^ -error[E0107]: this struct takes 0 generic arguments but 2 generic arguments were supplied +error[E0107]: struct takes 0 generic arguments but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:16:14 | LL | type D = Ty<'static, usize, { 0 }>; @@ -253,7 +253,7 @@ help: add missing generic arguments LL | type A = Ty<A, B>; | ++++++ -error[E0107]: this struct takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes 2 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:30:14 | LL | type B = Ty<usize>; @@ -271,7 +271,7 @@ help: add missing generic argument LL | type B = Ty<usize, B>; | +++ -error[E0107]: this struct takes 2 generic arguments but 3 generic arguments were supplied +error[E0107]: struct takes 2 generic arguments but 3 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:36:14 | LL | type D = Ty<usize, String, char>; @@ -285,7 +285,7 @@ note: struct defined here, with 2 generic parameters: `A`, `B` LL | struct Ty<A, B>; | ^^ - - -error[E0107]: this struct takes 2 generic arguments but 0 generic arguments were supplied +error[E0107]: struct takes 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:40:14 | LL | type E = Ty<>; @@ -317,7 +317,7 @@ help: add missing generic argument LL | type A = Ty<T>; | +++ -error[E0107]: this struct takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:54:14 | LL | type B = Ty<'static>; @@ -333,7 +333,7 @@ help: add missing generic argument LL | type B = Ty<'static, T>; | +++ -error[E0107]: this struct takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:64:14 | LL | type E = Ty<>; @@ -349,7 +349,7 @@ help: add missing generic argument LL | type E = Ty<T>; | + -error[E0107]: this struct takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/wrong-number-of-args.rs:70:14 | LL | type F = Ty<'static, usize, 'static, usize>; @@ -363,7 +363,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct Ty<'a, T>; | ^^ -- -error[E0107]: this struct takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:70:14 | LL | type F = Ty<'static, usize, 'static, usize>; @@ -393,7 +393,7 @@ help: add missing generic arguments LL | type A = Ty<A, B>; | ++++++ -error[E0107]: this struct takes at least 2 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes at least 2 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:84:14 | LL | type B = Ty<usize>; @@ -411,7 +411,7 @@ help: add missing generic argument LL | type B = Ty<usize, B>; | +++ -error[E0107]: this struct takes at most 3 generic arguments but 4 generic arguments were supplied +error[E0107]: struct takes at most 3 generic arguments but 4 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:92:14 | LL | type E = Ty<usize, String, char, f64>; @@ -425,7 +425,7 @@ note: struct defined here, with at most 3 generic parameters: `A`, `B`, `C` LL | struct Ty<A, B, C = &'static str>; | ^^ - - ---------------- -error[E0107]: this struct takes at least 2 generic arguments but 0 generic arguments were supplied +error[E0107]: struct takes at least 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:96:14 | LL | type F = Ty<>; @@ -441,7 +441,7 @@ help: add missing generic arguments LL | type F = Ty<A, B>; | ++++ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:116:22 | LL | type A = Box<dyn NonGeneric<usize>>; @@ -455,7 +455,7 @@ note: trait defined here, with 0 generic parameters LL | trait NonGeneric { | ^^^^^^^^^^ -error[E0107]: this trait takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: trait takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/wrong-number-of-args.rs:125:22 | LL | type C = Box<dyn GenericLifetime<'static, 'static>>; @@ -485,7 +485,7 @@ help: add missing generic argument LL | type D = Box<dyn GenericType<A>>; | +++ -error[E0107]: this trait takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:133:22 | LL | type E = Box<dyn GenericType<String, usize>>; @@ -499,7 +499,7 @@ note: trait defined here, with 1 generic parameter: `A` LL | trait GenericType<A> { | ^^^^^^^^^^^ - -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:142:22 | LL | type G = Box<dyn GenericType<>>; @@ -515,7 +515,7 @@ help: add missing generic argument LL | type G = Box<dyn GenericType<A>>; | + -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:153:26 | LL | type A = Box<dyn NonGenericAT<usize, AssocTy=()>>; @@ -529,7 +529,7 @@ note: trait defined here, with 0 generic parameters LL | trait NonGenericAT { | ^^^^^^^^^^^^ -error[E0107]: this trait takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: trait takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/wrong-number-of-args.rs:168:26 | LL | type B = Box<dyn GenericLifetimeAT<'static, 'static, AssocTy=()>>; @@ -543,7 +543,7 @@ note: trait defined here, with 1 lifetime parameter: `'a` LL | trait GenericLifetimeAT<'a> { | ^^^^^^^^^^^^^^^^^ -- -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:172:26 | LL | type C = Box<dyn GenericLifetimeAT<(), AssocTy=()>>; @@ -557,7 +557,7 @@ note: trait defined here, with 0 generic parameters LL | trait GenericLifetimeAT<'a> { | ^^^^^^^^^^^^^^^^^ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:185:26 | LL | type A = Box<dyn GenericTypeAT<AssocTy=()>>; @@ -573,7 +573,7 @@ help: add missing generic argument LL | type A = Box<dyn GenericTypeAT<A, AssocTy=()>>; | ++ -error[E0107]: this trait takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:189:26 | LL | type B = Box<dyn GenericTypeAT<(), (), AssocTy=()>>; @@ -587,7 +587,7 @@ note: trait defined here, with 1 generic parameter: `A` LL | trait GenericTypeAT<A> { | ^^^^^^^^^^^^^ - -error[E0107]: this trait takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:193:26 | LL | type C = Box<dyn GenericTypeAT<'static, AssocTy=()>>; @@ -601,7 +601,7 @@ note: trait defined here, with 0 lifetime parameters LL | trait GenericTypeAT<A> { | ^^^^^^^^^^^^^ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:193:26 | LL | type C = Box<dyn GenericTypeAT<'static, AssocTy=()>>; @@ -617,7 +617,7 @@ help: add missing generic argument LL | type C = Box<dyn GenericTypeAT<'static, A, AssocTy=()>>; | +++ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:205:26 | LL | type A = Box<dyn GenericLifetimeTypeAT<AssocTy=()>>; @@ -633,7 +633,7 @@ help: add missing generic argument LL | type A = Box<dyn GenericLifetimeTypeAT<A, AssocTy=()>>; | ++ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:212:26 | LL | type B = Box<dyn GenericLifetimeTypeAT<'static, AssocTy=()>>; @@ -649,7 +649,7 @@ help: add missing generic argument LL | type B = Box<dyn GenericLifetimeTypeAT<'static, A, AssocTy=()>>; | +++ -error[E0107]: this trait takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: trait takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/wrong-number-of-args.rs:216:26 | LL | type C = Box<dyn GenericLifetimeTypeAT<'static, 'static, AssocTy=()>>; @@ -663,7 +663,7 @@ note: trait defined here, with 1 lifetime parameter: `'a` LL | trait GenericLifetimeTypeAT<'a, A> { | ^^^^^^^^^^^^^^^^^^^^^ -- -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:216:26 | LL | type C = Box<dyn GenericLifetimeTypeAT<'static, 'static, AssocTy=()>>; @@ -679,7 +679,7 @@ help: add missing generic argument LL | type C = Box<dyn GenericLifetimeTypeAT<'static, 'static, A, AssocTy=()>>; | +++ -error[E0107]: this trait takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:227:26 | LL | type E = Box<dyn GenericLifetimeTypeAT<(), (), AssocTy=()>>; @@ -693,7 +693,7 @@ note: trait defined here, with 1 generic parameter: `A` LL | trait GenericLifetimeTypeAT<'a, A> { | ^^^^^^^^^^^^^^^^^^^^^ - -error[E0107]: this trait takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: trait takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/wrong-number-of-args.rs:234:26 | LL | type F = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), AssocTy=()>>; @@ -707,7 +707,7 @@ note: trait defined here, with 1 lifetime parameter: `'a` LL | trait GenericLifetimeTypeAT<'a, A> { | ^^^^^^^^^^^^^^^^^^^^^ -- -error[E0107]: this trait takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:238:26 | LL | type G = Box<dyn GenericLifetimeTypeAT<'static, (), (), AssocTy=()>>; @@ -721,7 +721,7 @@ note: trait defined here, with 1 generic parameter: `A` LL | trait GenericLifetimeTypeAT<'a, A> { | ^^^^^^^^^^^^^^^^^^^^^ - -error[E0107]: this trait takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: trait takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/wrong-number-of-args.rs:242:26 | LL | type H = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), (), AssocTy=()>>; @@ -735,7 +735,7 @@ note: trait defined here, with 1 lifetime parameter: `'a` LL | trait GenericLifetimeTypeAT<'a, A> { | ^^^^^^^^^^^^^^^^^^^^^ -- -error[E0107]: this trait takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 2 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:242:26 | LL | type H = Box<dyn GenericLifetimeTypeAT<'static, 'static, (), (), AssocTy=()>>; @@ -749,7 +749,7 @@ note: trait defined here, with 1 generic parameter: `A` LL | trait GenericLifetimeTypeAT<'a, A> { | ^^^^^^^^^^^^^^^^^^^^^ - -error[E0107]: this trait takes 2 generic arguments but 0 generic arguments were supplied +error[E0107]: trait takes 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:254:26 | LL | type A = Box<dyn GenericTypeTypeAT<AssocTy=()>>; @@ -765,7 +765,7 @@ help: add missing generic arguments LL | type A = Box<dyn GenericTypeTypeAT<A, B, AssocTy=()>>; | +++++ -error[E0107]: this trait takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 2 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:258:26 | LL | type B = Box<dyn GenericTypeTypeAT<(), AssocTy=()>>; @@ -783,7 +783,7 @@ help: add missing generic argument LL | type B = Box<dyn GenericTypeTypeAT<(), B, AssocTy=()>>; | +++ -error[E0107]: this trait takes 2 generic arguments but 3 generic arguments were supplied +error[E0107]: trait takes 2 generic arguments but 3 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:262:26 | LL | type C = Box<dyn GenericTypeTypeAT<(), (), (), AssocTy=()>>; @@ -797,7 +797,7 @@ note: trait defined here, with 2 generic parameters: `A`, `B` LL | trait GenericTypeTypeAT<A, B> { | ^^^^^^^^^^^^^^^^^ - - -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:277:26 | LL | type B = Box<dyn GenericLifetimeLifetimeAT<'static, AssocTy=()>>; @@ -815,7 +815,7 @@ help: add missing lifetime argument LL | type B = Box<dyn GenericLifetimeLifetimeAT<'static, 'static, AssocTy=()>>; | +++++++++ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:287:26 | LL | type A = Box<dyn GenericLifetimeLifetimeTypeAT<AssocTy=()>>; @@ -831,7 +831,7 @@ help: add missing generic argument LL | type A = Box<dyn GenericLifetimeLifetimeTypeAT<A, AssocTy=()>>; | ++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:294:26 | LL | type B = Box<dyn GenericLifetimeLifetimeTypeAT<'static, AssocTy=()>>; @@ -849,7 +849,7 @@ help: add missing lifetime argument LL | type B = Box<dyn GenericLifetimeLifetimeTypeAT<'static, 'static, AssocTy=()>>; | +++++++++ -error[E0107]: this trait takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: trait takes 1 generic argument but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:294:26 | LL | type B = Box<dyn GenericLifetimeLifetimeTypeAT<'static, AssocTy=()>>; @@ -865,7 +865,7 @@ help: add missing generic argument LL | type B = Box<dyn GenericLifetimeLifetimeTypeAT<'static, A, AssocTy=()>>; | +++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:300:26 | LL | type C = Box<dyn GenericLifetimeLifetimeTypeAT<'static, (), AssocTy=()>>; @@ -894,7 +894,7 @@ help: add missing generic arguments LL | type A = HashMap<K, V>; | ++++++ -error[E0107]: this struct takes at least 2 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes at least 2 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:314:18 | LL | type B = HashMap<String>; @@ -907,7 +907,7 @@ help: add missing generic argument LL | type B = HashMap<String, V>; | +++ -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:318:18 | LL | type C = HashMap<'static>; @@ -915,7 +915,7 @@ LL | type C = HashMap<'static>; | | | expected 0 lifetime arguments -error[E0107]: this struct takes at least 2 generic arguments but 0 generic arguments were supplied +error[E0107]: struct takes at least 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:318:18 | LL | type C = HashMap<'static>; @@ -926,7 +926,7 @@ help: add missing generic arguments LL | type C = HashMap<'static, K, V>; | ++++++ -error[E0107]: this struct takes at most 3 generic arguments but 4 generic arguments were supplied +error[E0107]: struct takes at most 3 generic arguments but 4 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:324:18 | LL | type D = HashMap<usize, String, char, f64>; @@ -934,7 +934,7 @@ LL | type D = HashMap<usize, String, char, f64>; | | | expected at most 3 generic arguments -error[E0107]: this struct takes at least 2 generic arguments but 0 generic arguments were supplied +error[E0107]: struct takes at least 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:328:18 | LL | type E = HashMap<>; @@ -956,7 +956,7 @@ help: add missing generic arguments LL | type A = Result<T, E>; | ++++++ -error[E0107]: this enum takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied --> $DIR/wrong-number-of-args.rs:338:18 | LL | type B = Result<String>; @@ -969,7 +969,7 @@ help: add missing generic argument LL | type B = Result<String, E>; | +++ -error[E0107]: this enum takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: enum takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/wrong-number-of-args.rs:342:18 | LL | type C = Result<'static>; @@ -977,7 +977,7 @@ LL | type C = Result<'static>; | | | expected 0 lifetime arguments -error[E0107]: this enum takes 2 generic arguments but 0 generic arguments were supplied +error[E0107]: enum takes 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:342:18 | LL | type C = Result<'static>; @@ -988,7 +988,7 @@ help: add missing generic arguments LL | type C = Result<'static, T, E>; | ++++++ -error[E0107]: this enum takes 2 generic arguments but 3 generic arguments were supplied +error[E0107]: enum takes 2 generic arguments but 3 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:348:18 | LL | type D = Result<usize, String, char>; @@ -996,7 +996,7 @@ LL | type D = Result<usize, String, char>; | | | expected 2 generic arguments -error[E0107]: this enum takes 2 generic arguments but 0 generic arguments were supplied +error[E0107]: enum takes 2 generic arguments but 0 generic arguments were supplied --> $DIR/wrong-number-of-args.rs:352:18 | LL | type E = Result<>; diff --git a/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr b/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr index 8cda76b9490..b1b8ffa8c54 100644 --- a/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr +++ b/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits-transitive.stderr @@ -10,7 +10,7 @@ note: required by a bound in `want_bar_for_any_ccx` --> $DIR/hrtb-higher-ranker-supertraits-transitive.rs:32:15 | LL | fn want_bar_for_any_ccx<B>(b: &B) - | -------------------- required by a bound in this + | -------------------- required by a bound in this function LL | where B : for<'ccx> Bar<'ccx> | ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_bar_for_any_ccx` help: consider further restricting this bound diff --git a/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits.stderr b/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits.stderr index 88793a1525b..7f96909b6e7 100644 --- a/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits.stderr +++ b/tests/ui/higher-rank-trait-bounds/hrtb-higher-ranker-supertraits.stderr @@ -10,7 +10,7 @@ note: required by a bound in `want_foo_for_any_tcx` --> $DIR/hrtb-higher-ranker-supertraits.rs:22:15 | LL | fn want_foo_for_any_tcx<F>(f: &F) - | -------------------- required by a bound in this + | -------------------- required by a bound in this function LL | where F : for<'tcx> Foo<'tcx> | ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_foo_for_any_tcx` help: consider further restricting this bound @@ -30,7 +30,7 @@ note: required by a bound in `want_bar_for_any_ccx` --> $DIR/hrtb-higher-ranker-supertraits.rs:39:15 | LL | fn want_bar_for_any_ccx<B>(b: &B) - | -------------------- required by a bound in this + | -------------------- required by a bound in this function LL | where B : for<'ccx> Bar<'ccx> | ^^^^^^^^^^^^^^^^^^^ required by this bound in `want_bar_for_any_ccx` help: consider further restricting this bound diff --git a/tests/ui/higher-rank-trait-bounds/hrtb-wrong-kind.stderr b/tests/ui/higher-rank-trait-bounds/hrtb-wrong-kind.stderr index d605c9e0df7..765ea9f7854 100644 --- a/tests/ui/higher-rank-trait-bounds/hrtb-wrong-kind.stderr +++ b/tests/ui/higher-rank-trait-bounds/hrtb-wrong-kind.stderr @@ -4,7 +4,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | fn a() where for<T> T: Copy {} | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error[E0658]: only lifetime parameters can be used in this context @@ -13,7 +13,7 @@ error[E0658]: only lifetime parameters can be used in this context LL | fn b() where for<const C: usize> [(); C]: Copy {} | ^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = help: add `#![feature(non_lifetime_binders)]` to the crate attributes to enable error: aborting due to 2 previous errors diff --git a/tests/ui/higher-rank-trait-bounds/issue-62203-hrtb-ice.stderr b/tests/ui/higher-rank-trait-bounds/issue-62203-hrtb-ice.stderr index 86198c3f7fd..4d470ae7022 100644 --- a/tests/ui/higher-rank-trait-bounds/issue-62203-hrtb-ice.stderr +++ b/tests/ui/higher-rank-trait-bounds/issue-62203-hrtb-ice.stderr @@ -25,7 +25,7 @@ note: required by a bound in `T1::m` --> $DIR/issue-62203-hrtb-ice.rs:27:51 | LL | fn m<'a, B: Ty<'a>, F>(&self, f: F) -> Unit1 - | - required by a bound in this + | - required by a bound in this associated function LL | where LL | F: for<'r> T0<'r, (<Self as Ty<'r>>::V,), O = <B as Ty<'r>>::V>, | ^^^^^^^^^^^^^^^^^^^^ required by this bound in `T1::m` @@ -56,7 +56,7 @@ note: required by a bound in `T1::m` --> $DIR/issue-62203-hrtb-ice.rs:27:12 | LL | fn m<'a, B: Ty<'a>, F>(&self, f: F) -> Unit1 - | - required by a bound in this + | - required by a bound in this associated function LL | where LL | F: for<'r> T0<'r, (<Self as Ty<'r>>::V,), O = <B as Ty<'r>>::V>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `T1::m` diff --git a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89118.stderr b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89118.stderr index 62d0128fd85..edef6ccd34e 100644 --- a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89118.stderr +++ b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-89118.stderr @@ -15,7 +15,7 @@ note: required by a bound in `StackContext` --> $DIR/issue-89118.rs:9:14 | LL | trait StackContext - | ------------ required by a bound in this + | ------------ required by a bound in this trait LL | where LL | Ctx<()>: for<'a> BufferUdpStateContext<&'a ()>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `StackContext` @@ -37,7 +37,7 @@ note: required by a bound in `EthernetWorker` --> $DIR/issue-89118.rs:28:14 | LL | struct EthernetWorker<C>(C) - | -------------- required by a bound in this + | -------------- required by a bound in this struct LL | where LL | Ctx<()>: for<'a> BufferUdpStateContext<&'a ()>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `EthernetWorker` @@ -59,7 +59,7 @@ note: required by a bound in `StackContext` --> $DIR/issue-89118.rs:9:14 | LL | trait StackContext - | ------------ required by a bound in this + | ------------ required by a bound in this trait LL | where LL | Ctx<()>: for<'a> BufferUdpStateContext<&'a ()>, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `StackContext` diff --git a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-90950.stderr b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-90950.stderr index 6206b167b0b..5be33bccdc3 100644 --- a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-90950.stderr +++ b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/issue-90950.stderr @@ -11,7 +11,7 @@ note: required by a bound in `upcast` --> $DIR/issue-90950.rs:27:42 | LL | fn upcast<Y>(x: Yoke<Y>) -> Yoke<Box<dyn IsCovariant<'static> + 'static>> where - | ------ required by a bound in this + | ------ required by a bound in this function LL | Y: for<'a> Yokeable<'a>, LL | for<'a> <Y as Yokeable<'a>>::Output: IsCovariant<'a> | ^^^^^^^^^^^^^^^ required by this bound in `upcast` diff --git a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/norm-before-method-resolution.stderr b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/norm-before-method-resolution.stderr index 51c9646004a..73388a72574 100644 --- a/tests/ui/higher-rank-trait-bounds/normalize-under-binder/norm-before-method-resolution.stderr +++ b/tests/ui/higher-rank-trait-bounds/normalize-under-binder/norm-before-method-resolution.stderr @@ -8,7 +8,7 @@ note: required by a bound in `weird_bound` --> $DIR/norm-before-method-resolution.rs:18:40 | LL | fn weird_bound<X>() -> X - | ----------- required by a bound in this + | ----------- required by a bound in this function ... LL | for<'a> <X as Trait<'a>>::Out: Copy | ^^^^ required by this bound in `weird_bound` diff --git a/tests/ui/impl-trait/equal-hidden-lifetimes.rs b/tests/ui/impl-trait/equal-hidden-lifetimes.rs index 79db88828b9..a6dbf3f08f2 100644 --- a/tests/ui/impl-trait/equal-hidden-lifetimes.rs +++ b/tests/ui/impl-trait/equal-hidden-lifetimes.rs @@ -5,7 +5,6 @@ // `'a == 'static` so `&'a i32` is fine as the return type fn equal_regions_static<'a: 'static>(x: &'a i32) -> impl Sized { - //~^ WARNING unnecessary lifetime parameter `'a` x } diff --git a/tests/ui/impl-trait/equal-hidden-lifetimes.stderr b/tests/ui/impl-trait/equal-hidden-lifetimes.stderr deleted file mode 100644 index 3e48aef553b..00000000000 --- a/tests/ui/impl-trait/equal-hidden-lifetimes.stderr +++ /dev/null @@ -1,10 +0,0 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/equal-hidden-lifetimes.rs:7:25 - | -LL | fn equal_regions_static<'a: 'static>(x: &'a i32) -> impl Sized { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: 1 warning emitted - diff --git a/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/explicit-generic-args-for-impl.stderr b/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/explicit-generic-args-for-impl.stderr index c8b82783ea8..9c101101870 100644 --- a/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/explicit-generic-args-for-impl.stderr +++ b/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/explicit-generic-args-for-impl.stderr @@ -1,4 +1,4 @@ -error[E0107]: this function takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: function takes 1 generic argument but 2 generic arguments were supplied --> $DIR/explicit-generic-args-for-impl.rs:4:5 | LL | foo::<str, String>("".to_string()); diff --git a/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/not-enough-args.stderr b/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/not-enough-args.stderr index 9d6db88d364..a26460c8ecc 100644 --- a/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/not-enough-args.stderr +++ b/tests/ui/impl-trait/explicit-generic-args-with-impl-trait/not-enough-args.stderr @@ -1,4 +1,4 @@ -error[E0107]: this function takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied --> $DIR/not-enough-args.rs:4:5 | LL | f::<[u8]>("a", b"a"); diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.rs b/tests/ui/impl-trait/in-trait/default-method-constraint.rs new file mode 100644 index 00000000000..8c50cc29586 --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-method-constraint.rs @@ -0,0 +1,17 @@ +// check-pass + +// This didn't work in the previous default RPITIT method hack attempt + +#![feature(return_position_impl_trait_in_trait)] +//~^ WARN the feature `return_position_impl_trait_in_trait` is incomplete + +trait Foo { + fn bar(x: bool) -> impl Sized { + if x { + let _: u32 = Self::bar(!x); + } + Default::default() + } +} + +fn main() {} diff --git a/tests/ui/impl-trait/in-trait/default-method-constraint.stderr b/tests/ui/impl-trait/in-trait/default-method-constraint.stderr new file mode 100644 index 00000000000..5e18605aa4c --- /dev/null +++ b/tests/ui/impl-trait/in-trait/default-method-constraint.stderr @@ -0,0 +1,11 @@ +warning: the feature `return_position_impl_trait_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/default-method-constraint.rs:5:12 + | +LL | #![feature(return_position_impl_trait_in_trait)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/impl-trait/issues/issue-54600.stderr b/tests/ui/impl-trait/issues/issue-54600.stderr index 316566a57a8..7ef063af952 100644 --- a/tests/ui/impl-trait/issues/issue-54600.stderr +++ b/tests/ui/impl-trait/issues/issue-54600.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-54600.rs:4:19 | LL | let x: Option<impl Debug> = Some(44_u32); diff --git a/tests/ui/impl-trait/issues/issue-54840.stderr b/tests/ui/impl-trait/issues/issue-54840.stderr index 8d82133ac90..1d1316f0e11 100644 --- a/tests/ui/impl-trait/issues/issue-54840.stderr +++ b/tests/ui/impl-trait/issues/issue-54840.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-54840.rs:5:13 | LL | let j: &impl Add = &i; diff --git a/tests/ui/impl-trait/issues/issue-58504.stderr b/tests/ui/impl-trait/issues/issue-58504.stderr index 6656e9fc3fb..26ec2a4f9cf 100644 --- a/tests/ui/impl-trait/issues/issue-58504.stderr +++ b/tests/ui/impl-trait/issues/issue-58504.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-58504.rs:10:16 | LL | let gens: [impl Generator<Return=!, Yield=()>;2] = [ mk_gen(), mk_gen() ]; diff --git a/tests/ui/impl-trait/issues/issue-58956.stderr b/tests/ui/impl-trait/issues/issue-58956.stderr index f591c07bcf5..2b4d0abdffc 100644 --- a/tests/ui/impl-trait/issues/issue-58956.stderr +++ b/tests/ui/impl-trait/issues/issue-58956.stderr @@ -1,10 +1,10 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const types --> $DIR/issue-58956.rs:7:11 | LL | const _A: impl Lam = { | ^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-58956.rs:9:17 | LL | let x: Wrap<impl Lam> = Wrap(B); diff --git a/tests/ui/impl-trait/issues/issue-70971.stderr b/tests/ui/impl-trait/issues/issue-70971.stderr index 4dda4c22aa2..d066256bfb0 100644 --- a/tests/ui/impl-trait/issues/issue-70971.stderr +++ b/tests/ui/impl-trait/issues/issue-70971.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-70971.rs:2:14 | LL | let x : (impl Copy,) = (true,); diff --git a/tests/ui/impl-trait/issues/issue-79099.stderr b/tests/ui/impl-trait/issues/issue-79099.stderr index 362c67dafd2..580250a62fe 100644 --- a/tests/ui/impl-trait/issues/issue-79099.stderr +++ b/tests/ui/impl-trait/issues/issue-79099.stderr @@ -9,7 +9,7 @@ LL | let f: impl core::future::Future<Output = u8> = async { 1 }; = help: pass `--edition 2021` to `rustc` = note: for more on editions, read https://doc.rust-lang.org/edition-guide -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-79099.rs:3:16 | LL | let f: impl core::future::Future<Output = u8> = async { 1 }; diff --git a/tests/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr b/tests/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr index a227f0ba7d1..656bd047061 100644 --- a/tests/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr +++ b/tests/ui/impl-trait/issues/issue-83929-impl-trait-in-generic-default.stderr @@ -1,10 +1,10 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/issue-83929-impl-trait-in-generic-default.rs:1:16 | LL | struct Foo<T = impl Copy>(T); | ^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/issue-83929-impl-trait-in-generic-default.rs:4:20 | LL | type Result<T, E = impl std::error::Error> = std::result::Result<T, E>; diff --git a/tests/ui/impl-trait/issues/issue-84919.stderr b/tests/ui/impl-trait/issues/issue-84919.stderr index 5abe1bd8779..36010fdef36 100644 --- a/tests/ui/impl-trait/issues/issue-84919.stderr +++ b/tests/ui/impl-trait/issues/issue-84919.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-84919.rs:5:13 | LL | let _x: impl Trait = (); diff --git a/tests/ui/impl-trait/issues/issue-86642.stderr b/tests/ui/impl-trait/issues/issue-86642.stderr index a137777840b..b6f8a54f35a 100644 --- a/tests/ui/impl-trait/issues/issue-86642.stderr +++ b/tests/ui/impl-trait/issues/issue-86642.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in const types --> $DIR/issue-86642.rs:1:11 | LL | static x: impl Fn(&str) -> Result<&str, ()> = move |source| { diff --git a/tests/ui/impl-trait/issues/issue-87295.stderr b/tests/ui/impl-trait/issues/issue-87295.stderr index 0b043056b84..ec59b719c10 100644 --- a/tests/ui/impl-trait/issues/issue-87295.stderr +++ b/tests/ui/impl-trait/issues/issue-87295.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-87295.rs:16:31 | LL | let _do_not_waste: Struct<impl Trait<Output = i32>> = Struct::new(()); diff --git a/tests/ui/impl-trait/nested_impl_trait.stderr b/tests/ui/impl-trait/nested_impl_trait.stderr index 9a8f5a34068..ffe84b8e86f 100644 --- a/tests/ui/impl-trait/nested_impl_trait.stderr +++ b/tests/ui/impl-trait/nested_impl_trait.stderr @@ -34,7 +34,7 @@ LL | fn bad(x: impl Into<u32>) -> impl Into<impl Debug> { x } | | nested `impl Trait` here | outer `impl Trait` -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types --> $DIR/nested_impl_trait.rs:10:32 | LL | fn bad_in_fn_syntax(x: fn() -> impl Into<impl Debug>) {} diff --git a/tests/ui/impl-trait/normalize-tait-in-const.rs b/tests/ui/impl-trait/normalize-tait-in-const.rs index 020bcbb8396..d2e34c00b64 100644 --- a/tests/ui/impl-trait/normalize-tait-in-const.rs +++ b/tests/ui/impl-trait/normalize-tait-in-const.rs @@ -2,6 +2,7 @@ // failure-status: 101 // normalize-stderr-test "note: .*\n\n" -> "" // normalize-stderr-test "thread 'rustc' panicked.*\n" -> "" +// normalize-stderr-test "(error: internal compiler error: [^:]+):\d+:\d+: " -> "$1:LL:CC: " // rustc-env:RUST_BACKTRACE=0 #![feature(type_alias_impl_trait)] diff --git a/tests/ui/impl-trait/normalize-tait-in-const.stderr b/tests/ui/impl-trait/normalize-tait-in-const.stderr index 99eed29207b..84b00918724 100644 --- a/tests/ui/impl-trait/normalize-tait-in-const.stderr +++ b/tests/ui/impl-trait/normalize-tait-in-const.stderr @@ -1,4 +1,4 @@ -error: internal compiler error: compiler/rustc_middle/src/ty/normalize_erasing_regions.rs:201:90: Failed to normalize <for<'a, 'b> fn(&'a Alias<'b>) {foo} as std::ops::FnOnce<(&&S,)>>::Output, maybe try to call `try_normalize_erasing_regions` instead +error: internal compiler error: compiler/rustc_middle/src/ty/normalize_erasing_regions.rs:LL:CC: Failed to normalize <for<'a, 'b> fn(&'a Alias<'b>) {foo} as std::ops::FnOnce<(&&S,)>>::Output, maybe try to call `try_normalize_erasing_regions` instead query stack during panic: #0 [eval_to_allocation_raw] const-evaluating + checking `BAR` diff --git a/tests/ui/impl-trait/where-allowed.stderr b/tests/ui/impl-trait/where-allowed.stderr index 201aba3adff..1cae3f77cc5 100644 --- a/tests/ui/impl-trait/where-allowed.stderr +++ b/tests/ui/impl-trait/where-allowed.stderr @@ -43,109 +43,109 @@ LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer params --> $DIR/where-allowed.rs:16:40 | LL | fn in_fn_parameter_in_parameters(_: fn(impl Debug)) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types --> $DIR/where-allowed.rs:20:42 | LL | fn in_fn_return_in_parameters(_: fn() -> impl Debug) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer params --> $DIR/where-allowed.rs:24:38 | LL | fn in_fn_parameter_in_return() -> fn(impl Debug) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types --> $DIR/where-allowed.rs:28:40 | LL | fn in_fn_return_in_return() -> fn() -> impl Debug { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params --> $DIR/where-allowed.rs:32:49 | LL | fn in_dyn_Fn_parameter_in_parameters(_: &dyn Fn(impl Debug)) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types --> $DIR/where-allowed.rs:36:51 | LL | fn in_dyn_Fn_return_in_parameters(_: &dyn Fn() -> impl Debug) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params --> $DIR/where-allowed.rs:40:55 | LL | fn in_dyn_Fn_parameter_in_return() -> &'static dyn Fn(impl Debug) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params --> $DIR/where-allowed.rs:47:51 | LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types --> $DIR/where-allowed.rs:52:53 | LL | fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params --> $DIR/where-allowed.rs:56:57 | LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params --> $DIR/where-allowed.rs:64:38 | LL | fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types --> $DIR/where-allowed.rs:68:40 | LL | fn in_Fn_return_in_generics<F: Fn() -> impl Debug> (_: F) { panic!() } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types --> $DIR/where-allowed.rs:81:32 | LL | struct InBraceStructField { x: impl Debug } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types --> $DIR/where-allowed.rs:85:41 | LL | struct InAdtInBraceStructField { x: Vec<impl Debug> } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types --> $DIR/where-allowed.rs:89:27 | LL | struct InTupleStructField(impl Debug); | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types --> $DIR/where-allowed.rs:94:25 | LL | InBraceVariant { x: impl Debug }, | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field type +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types --> $DIR/where-allowed.rs:96:20 | LL | InTupleVariant(impl Debug), | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return types --> $DIR/where-allowed.rs:107:23 | LL | fn in_return() -> impl Debug; @@ -154,7 +154,7 @@ LL | fn in_return() -> impl Debug; = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return types --> $DIR/where-allowed.rs:124:34 | LL | fn in_trait_impl_return() -> impl Debug { () } @@ -163,121 +163,121 @@ LL | fn in_trait_impl_return() -> impl Debug { () } = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` params --> $DIR/where-allowed.rs:137:33 | LL | fn in_foreign_parameters(_: impl Debug); | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` return types --> $DIR/where-allowed.rs:140:31 | LL | fn in_foreign_return() -> impl Debug; | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types --> $DIR/where-allowed.rs:156:39 | LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in traits --> $DIR/where-allowed.rs:161:16 | LL | impl PartialEq<impl Debug> for () { | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl header +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers --> $DIR/where-allowed.rs:166:24 | LL | impl PartialEq<()> for impl Debug { | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl header +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers --> $DIR/where-allowed.rs:171:6 | LL | impl impl Debug { | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl header +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers --> $DIR/where-allowed.rs:177:24 | LL | impl InInherentImplAdt<impl Debug> { | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bound +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bounds --> $DIR/where-allowed.rs:183:11 | LL | where impl Debug: Debug | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bound +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bounds --> $DIR/where-allowed.rs:190:15 | LL | where Vec<impl Debug>: Debug | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bound +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bounds --> $DIR/where-allowed.rs:197:24 | LL | where T: PartialEq<impl Debug> | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait param +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params --> $DIR/where-allowed.rs:204:17 | LL | where T: Fn(impl Debug) | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types --> $DIR/where-allowed.rs:211:22 | LL | where T: Fn() -> impl Debug | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/where-allowed.rs:217:40 | LL | struct InStructGenericParamDefault<T = impl Debug>(T); | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/where-allowed.rs:221:36 | LL | enum InEnumGenericParamDefault<T = impl Debug> { Variant(T) } | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/where-allowed.rs:225:38 | LL | trait InTraitGenericParamDefault<T = impl Debug> {} | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/where-allowed.rs:229:41 | LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T; | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/where-allowed.rs:233:11 | LL | impl <T = impl Debug> T {} | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter default +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults --> $DIR/where-allowed.rs:240:40 | LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} | ^^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/where-allowed.rs:246:29 | LL | let _in_local_variable: impl Fn() = || {}; | ^^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in closure return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in closure return types --> $DIR/where-allowed.rs:248:46 | LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; diff --git a/tests/ui/implied-bounds/issue-100690.stderr b/tests/ui/implied-bounds/issue-100690.stderr index 3f6af70d8ed..dba0353377f 100644 --- a/tests/ui/implied-bounds/issue-100690.stderr +++ b/tests/ui/implied-bounds/issue-100690.stderr @@ -12,7 +12,7 @@ note: required by a bound in `real_dispatch` --> $DIR/issue-100690.rs:9:8 | LL | fn real_dispatch<T, F>(f: F) -> Result<(), io::Error> - | ------------- required by a bound in this + | ------------- required by a bound in this function ... LL | F: FnOnce(&mut UIView<T>) -> Result<(), io::Error> + Send + 'static, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `real_dispatch` diff --git a/tests/ui/inference/inference_unstable.rs b/tests/ui/inference/inference_unstable.rs index daf0cf042c4..ad76499591c 100644 --- a/tests/ui/inference/inference_unstable.rs +++ b/tests/ui/inference/inference_unstable.rs @@ -14,16 +14,16 @@ use inference_unstable_itertools::IpuItertools; fn main() { assert_eq!('x'.ipu_flatten(), 1); -//~^ WARN an associated function with this name may be added to the standard library in the future +//~^ WARN a method with this name may be added to the standard library in the future //~| WARN once this associated item is added to the standard library, the ambiguity may cause an assert_eq!('x'.ipu_by_value_vs_by_ref(), 1); -//~^ WARN an associated function with this name may be added to the standard library in the future +//~^ WARN a method with this name may be added to the standard library in the future //~| WARN once this associated item is added to the standard library, the ambiguity may cause an assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1); -//~^ WARN an associated function with this name may be added to the standard library in the future +//~^ WARN a method with this name may be added to the standard library in the future //~| WARN once this associated item is added to the standard library, the ambiguity may cause an assert_eq!((&mut 'x' as *mut char).ipu_by_mut_ptr_vs_by_const_ptr(), 1); -//~^ WARN an associated function with this name may be added to the standard library in the future +//~^ WARN a method with this name may be added to the standard library in the future //~| WARN once this associated item is added to the standard library, the ambiguity may cause an assert_eq!(char::C, 1); //~^ WARN an associated constant with this name may be added to the standard library in the future diff --git a/tests/ui/inference/inference_unstable.stderr b/tests/ui/inference/inference_unstable.stderr index ecbf2641bec..c48aaf9f495 100644 --- a/tests/ui/inference/inference_unstable.stderr +++ b/tests/ui/inference/inference_unstable.stderr @@ -1,4 +1,4 @@ -warning: an associated function with this name may be added to the standard library in the future +warning: a method with this name may be added to the standard library in the future --> $DIR/inference_unstable.rs:16:20 | LL | assert_eq!('x'.ipu_flatten(), 1); @@ -10,7 +10,7 @@ LL | assert_eq!('x'.ipu_flatten(), 1); = help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_flatten` = note: `#[warn(unstable_name_collisions)]` on by default -warning: an associated function with this name may be added to the standard library in the future +warning: a method with this name may be added to the standard library in the future --> $DIR/inference_unstable.rs:19:20 | LL | assert_eq!('x'.ipu_by_value_vs_by_ref(), 1); @@ -21,7 +21,7 @@ LL | assert_eq!('x'.ipu_by_value_vs_by_ref(), 1); = help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_value_vs_by_ref(...)` to keep using the current method = help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_value_vs_by_ref` -warning: an associated function with this name may be added to the standard library in the future +warning: a method with this name may be added to the standard library in the future --> $DIR/inference_unstable.rs:22:20 | LL | assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1); @@ -32,7 +32,7 @@ LL | assert_eq!('x'.ipu_by_ref_vs_by_ref_mut(), 1); = help: call with fully qualified syntax `inference_unstable_itertools::IpuItertools::ipu_by_ref_vs_by_ref_mut(...)` to keep using the current method = help: add `#![feature(ipu_flatten)]` to the crate attributes to enable `inference_unstable_iterator::IpuIterator::ipu_by_ref_vs_by_ref_mut` -warning: an associated function with this name may be added to the standard library in the future +warning: a method with this name may be added to the standard library in the future --> $DIR/inference_unstable.rs:25:40 | LL | assert_eq!((&mut 'x' as *mut char).ipu_by_mut_ptr_vs_by_const_ptr(), 1); diff --git a/tests/ui/inference/inference_unstable_featured.stderr b/tests/ui/inference/inference_unstable_featured.stderr index 4ddede29c85..dc43abf52c6 100644 --- a/tests/ui/inference/inference_unstable_featured.stderr +++ b/tests/ui/inference/inference_unstable_featured.stderr @@ -6,11 +6,11 @@ LL | assert_eq!('x'.ipu_flatten(), 0); | = note: candidate #1 is defined in an impl of the trait `IpuIterator` for the type `char` = note: candidate #2 is defined in an impl of the trait `IpuItertools` for the type `char` -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | assert_eq!(IpuIterator::ipu_flatten(&'x'), 0); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | assert_eq!(IpuItertools::ipu_flatten(&'x'), 0); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/tests/ui/inference/issue-71732.stderr b/tests/ui/inference/issue-71732.stderr index 01b37f2acaa..e89e4dca619 100644 --- a/tests/ui/inference/issue-71732.stderr +++ b/tests/ui/inference/issue-71732.stderr @@ -4,7 +4,7 @@ error[E0283]: type annotations needed LL | .get(&"key".into()) | ^^^ ------------- type must be known at this point | | - | cannot infer type of the type parameter `Q` declared on the associated function `get` + | cannot infer type of the type parameter `Q` declared on the method `get` | = note: multiple `impl`s satisfying `String: Borrow<_>` found in the following crates: `alloc`, `core`: - impl Borrow<str> for String; diff --git a/tests/ui/inference/question-mark-type-infer.stderr b/tests/ui/inference/question-mark-type-infer.stderr index a9cb7e5257c..7a1e850d157 100644 --- a/tests/ui/inference/question-mark-type-infer.stderr +++ b/tests/ui/inference/question-mark-type-infer.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/question-mark-type-infer.rs:10:21 | LL | l.iter().map(f).collect()? - | ^^^^^^^ cannot infer type of the type parameter `B` declared on the associated function `collect` + | ^^^^^^^ cannot infer type of the type parameter `B` declared on the method `collect` | help: consider specifying the generic argument | diff --git a/tests/ui/infinite/auxiliary/alias.rs b/tests/ui/infinite/auxiliary/alias.rs new file mode 100644 index 00000000000..59add7eb18b --- /dev/null +++ b/tests/ui/infinite/auxiliary/alias.rs @@ -0,0 +1,2 @@ +pub struct W<T>(T); +pub type Wrapper<T> = W<T>; diff --git a/tests/ui/infinite/infinite-alias.rs b/tests/ui/infinite/infinite-alias.rs new file mode 100644 index 00000000000..45356f359ce --- /dev/null +++ b/tests/ui/infinite/infinite-alias.rs @@ -0,0 +1,9 @@ +// aux-build: alias.rs +// regression test for 108160 + +extern crate alias; + +use alias::Wrapper; +struct Rec(Wrapper<Rec>); //~ ERROR recursive type `Rec` has infinite + +fn main() {} diff --git a/tests/ui/infinite/infinite-alias.stderr b/tests/ui/infinite/infinite-alias.stderr new file mode 100644 index 00000000000..9d9265f8c36 --- /dev/null +++ b/tests/ui/infinite/infinite-alias.stderr @@ -0,0 +1,14 @@ +error[E0072]: recursive type `Rec` has infinite size + --> $DIR/infinite-alias.rs:7:1 + | +LL | struct Rec(Wrapper<Rec>); + | ^^^^^^^^^^ ------------ recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle + | +LL | struct Rec(Box<Wrapper<Rec>>); + | ++++ + + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0072`. diff --git a/tests/ui/issues/issue-106755.rs b/tests/ui/issues/issue-106755.rs new file mode 100644 index 00000000000..46ece725fb7 --- /dev/null +++ b/tests/ui/issues/issue-106755.rs @@ -0,0 +1,19 @@ +// compile-flags:-Ztranslate-lang=en_US + +#![feature(negative_impls)] +#![feature(marker_trait_attr)] + +#[marker] +trait MyTrait {} + +struct TestType<T>(::std::marker::PhantomData<T>); + +unsafe impl<T: MyTrait + 'static> Send for TestType<T> {} + +impl<T: MyTrait> !Send for TestType<T> {} //~ ERROR found both positive and negative implementation + +unsafe impl<T: 'static> Send for TestType<T> {} //~ ERROR conflicting implementations + +impl !Send for TestType<i32> {} + +fn main() {} diff --git a/tests/ui/issues/issue-106755.stderr b/tests/ui/issues/issue-106755.stderr new file mode 100644 index 00000000000..54397034062 --- /dev/null +++ b/tests/ui/issues/issue-106755.stderr @@ -0,0 +1,22 @@ +error[E0751]: found both positive and negative implementation of trait `Send` for type `TestType<_>`: + --> $DIR/issue-106755.rs:13:1 + | +LL | unsafe impl<T: MyTrait + 'static> Send for TestType<T> {} + | ------------------------------------------------------ positive implementation here +LL | +LL | impl<T: MyTrait> !Send for TestType<T> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ negative implementation here + +error[E0119]: conflicting implementations of trait `Send` for type `TestType<_>` + --> $DIR/issue-106755.rs:15:1 + | +LL | unsafe impl<T: MyTrait + 'static> Send for TestType<T> {} + | ------------------------------------------------------ first implementation here +... +LL | unsafe impl<T: 'static> Send for TestType<T> {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `TestType<_>` + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0119, E0751. +For more information about an error, try `rustc --explain E0119`. diff --git a/tests/ui/issues/issue-11374.stderr b/tests/ui/issues/issue-11374.stderr index ef28c81d857..6e1fb1540bb 100644 --- a/tests/ui/issues/issue-11374.stderr +++ b/tests/ui/issues/issue-11374.stderr @@ -10,7 +10,7 @@ LL | c.read_to(v); | = note: expected mutable reference `&mut [u8]` found struct `Vec<_>` -note: associated function defined here +note: method defined here --> $DIR/issue-11374.rs:13:12 | LL | pub fn read_to(&mut self, vec: &mut [u8]) { diff --git a/tests/ui/issues/issue-17337.stderr b/tests/ui/issues/issue-17337.stderr index 34c2eb05fff..55e51e566d9 100644 --- a/tests/ui/issues/issue-17337.stderr +++ b/tests/ui/issues/issue-17337.stderr @@ -1,4 +1,4 @@ -error: use of deprecated associated function `Foo::foo`: text +error: use of deprecated method `Foo::foo`: text --> $DIR/issue-17337.rs:16:6 | LL | .foo(); diff --git a/tests/ui/issues/issue-18423.rs b/tests/ui/issues/issue-18423.rs index a81b32f050c..675fd041154 100644 --- a/tests/ui/issues/issue-18423.rs +++ b/tests/ui/issues/issue-18423.rs @@ -2,7 +2,7 @@ struct Foo<'a> { x: Box<'a, isize> - //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument was supplied } fn main() { } diff --git a/tests/ui/issues/issue-18423.stderr b/tests/ui/issues/issue-18423.stderr index bbf79366244..5d154dbbbdd 100644 --- a/tests/ui/issues/issue-18423.stderr +++ b/tests/ui/issues/issue-18423.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/issue-18423.rs:4:8 | LL | x: Box<'a, isize> diff --git a/tests/ui/issues/issue-18446.stderr b/tests/ui/issues/issue-18446.stderr index 939cf029253..602b80c6824 100644 --- a/tests/ui/issues/issue-18446.stderr +++ b/tests/ui/issues/issue-18446.stderr @@ -14,7 +14,7 @@ note: candidate #2 is defined in the trait `T` | LL | fn foo(&self); | ^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | T::foo(&x); | ~~~~~~~~~~ diff --git a/tests/ui/issues/issue-21202.rs b/tests/ui/issues/issue-21202.rs index f62de7ce7db..2c5f1394449 100644 --- a/tests/ui/issues/issue-21202.rs +++ b/tests/ui/issues/issue-21202.rs @@ -8,7 +8,7 @@ mod B { use crate1::A::Foo; fn bar(f: Foo) { Foo::foo(&f); - //~^ ERROR: associated function `foo` is private + //~^ ERROR: method `foo` is private } } diff --git a/tests/ui/issues/issue-21202.stderr b/tests/ui/issues/issue-21202.stderr index 1d2816feda9..e7c3f2f9a07 100644 --- a/tests/ui/issues/issue-21202.stderr +++ b/tests/ui/issues/issue-21202.stderr @@ -1,13 +1,13 @@ -error[E0624]: associated function `foo` is private +error[E0624]: method `foo` is private --> $DIR/issue-21202.rs:10:14 | LL | Foo::foo(&f); - | ^^^ private associated function + | ^^^ private method | ::: $DIR/auxiliary/issue-21202.rs:4:9 | LL | fn foo(&self) { } - | ------------- private associated function defined here + | ------------- private method defined here error: aborting due to previous error diff --git a/tests/ui/issues/issue-23041.stderr b/tests/ui/issues/issue-23041.stderr index 6592b76a39f..4271c67c3bc 100644 --- a/tests/ui/issues/issue-23041.stderr +++ b/tests/ui/issues/issue-23041.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/issue-23041.rs:6:7 | LL | b.downcast_ref::<fn(_)->_>(); - | ^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the associated function `downcast_ref` + | ^^^^^^^^^^^^ cannot infer type of the type parameter `T` declared on the method `downcast_ref` | help: consider specifying the generic argument | diff --git a/tests/ui/issues/issue-26094.rs b/tests/ui/issues/issue-26094.rs index abf3543ddb9..2742529edd3 100644 --- a/tests/ui/issues/issue-26094.rs +++ b/tests/ui/issues/issue-26094.rs @@ -1,7 +1,7 @@ macro_rules! some_macro { - ($other: expr) => ({ + ($other: expr) => {{ $other(None) //~ NOTE unexpected argument of type `Option<_>` - }) + }}; } fn some_function() {} //~ NOTE defined here @@ -9,5 +9,4 @@ fn some_function() {} //~ NOTE defined here fn main() { some_macro!(some_function); //~^ ERROR function takes 0 arguments but 1 argument was supplied - //~| NOTE in this expansion of some_macro! } diff --git a/tests/ui/issues/issue-26094.stderr b/tests/ui/issues/issue-26094.stderr index 608d2c7aff9..ecdf48470f7 100644 --- a/tests/ui/issues/issue-26094.stderr +++ b/tests/ui/issues/issue-26094.stderr @@ -2,10 +2,7 @@ error[E0061]: this function takes 0 arguments but 1 argument was supplied --> $DIR/issue-26094.rs:10:17 | LL | $other(None) - | ---- - | | - | unexpected argument of type `Option<_>` - | help: remove the extra argument + | ---- unexpected argument of type `Option<_>` ... LL | some_macro!(some_function); | ^^^^^^^^^^^^^ diff --git a/tests/ui/issues/issue-30438-c.rs b/tests/ui/issues/issue-30438-c.rs index 4cf634245be..813c1d3e2cc 100644 --- a/tests/ui/issues/issue-30438-c.rs +++ b/tests/ui/issues/issue-30438-c.rs @@ -5,7 +5,6 @@ trait Trait { type Out; } struct Test<'a> { s: &'a str } fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y <Test<'z> as Trait>::Out where 'z: 'static { - //~^ WARN unnecessary lifetime parameter `'z` let x = Test { s: "this cannot last" }; &x //~^ ERROR: cannot return reference to local variable `x` diff --git a/tests/ui/issues/issue-30438-c.stderr b/tests/ui/issues/issue-30438-c.stderr index a7a5c0500fd..7c001088097 100644 --- a/tests/ui/issues/issue-30438-c.stderr +++ b/tests/ui/issues/issue-30438-c.stderr @@ -1,17 +1,9 @@ -warning: unnecessary lifetime parameter `'z` - --> $DIR/issue-30438-c.rs:7:74 - | -LL | fn silly<'y, 'z>(_s: &'y Test<'z>) -> &'y <Test<'z> as Trait>::Out where 'z: 'static { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'z` - error[E0515]: cannot return reference to local variable `x` - --> $DIR/issue-30438-c.rs:10:5 + --> $DIR/issue-30438-c.rs:9:5 | LL | &x | ^^ returns a reference to data owned by the current function -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0515`. diff --git a/tests/ui/issues/issue-3214.rs b/tests/ui/issues/issue-3214.rs index 928a65938b7..e3c07bb3f72 100644 --- a/tests/ui/issues/issue-3214.rs +++ b/tests/ui/issues/issue-3214.rs @@ -4,7 +4,7 @@ fn foo<T>() { } impl<T> Drop for Foo<T> { - //~^ ERROR this struct takes 0 generic arguments but 1 generic argument + //~^ ERROR struct takes 0 generic arguments but 1 generic argument fn drop(&mut self) {} } } diff --git a/tests/ui/issues/issue-3214.stderr b/tests/ui/issues/issue-3214.stderr index aa0b5ce64b4..7a2d772f0a1 100644 --- a/tests/ui/issues/issue-3214.stderr +++ b/tests/ui/issues/issue-3214.stderr @@ -8,7 +8,7 @@ LL | struct Foo { LL | x: T, | ^ use of generic parameter from outer function -error[E0107]: this struct takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: struct takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-3214.rs:6:22 | LL | impl<T> Drop for Foo<T> { diff --git a/tests/ui/issues/issue-3702-2.stderr b/tests/ui/issues/issue-3702-2.stderr index 1fd64ca90aa..0b94c3135a1 100644 --- a/tests/ui/issues/issue-3702-2.stderr +++ b/tests/ui/issues/issue-3702-2.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `Add` for the type `isize` | LL | fn to_int(&self) -> isize { *self } | ^^^^^^^^^^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | ToPrimitive::to_int(&self) + other.to_int() | ~~~~~~~~~~~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | Add::to_int(&self) + other.to_int() | ~~~~~~~~~~~~~~~~~~ diff --git a/tests/ui/issues/issue-3763.rs b/tests/ui/issues/issue-3763.rs index 2e72d39cb32..893009a2cd9 100644 --- a/tests/ui/issues/issue-3763.rs +++ b/tests/ui/issues/issue-3763.rs @@ -20,9 +20,9 @@ fn main() { let _woohoo = (Box::new(my_struct)).priv_field; //~^ ERROR field `priv_field` of struct `MyStruct` is private - (&my_struct).happyfun(); //~ ERROR associated function `happyfun` is private + (&my_struct).happyfun(); //~ ERROR method `happyfun` is private - (Box::new(my_struct)).happyfun(); //~ ERROR associated function `happyfun` is private + (Box::new(my_struct)).happyfun(); //~ ERROR method `happyfun` is private let nope = my_struct.priv_field; //~^ ERROR field `priv_field` of struct `MyStruct` is private } diff --git a/tests/ui/issues/issue-3763.stderr b/tests/ui/issues/issue-3763.stderr index a09c8421bb7..d101e4c33ad 100644 --- a/tests/ui/issues/issue-3763.stderr +++ b/tests/ui/issues/issue-3763.stderr @@ -10,23 +10,23 @@ error[E0616]: field `priv_field` of struct `MyStruct` is private LL | let _woohoo = (Box::new(my_struct)).priv_field; | ^^^^^^^^^^ private field -error[E0624]: associated function `happyfun` is private +error[E0624]: method `happyfun` is private --> $DIR/issue-3763.rs:23:18 | LL | fn happyfun(&self) {} - | ------------------ private associated function defined here + | ------------------ private method defined here ... LL | (&my_struct).happyfun(); - | ^^^^^^^^ private associated function + | ^^^^^^^^ private method -error[E0624]: associated function `happyfun` is private +error[E0624]: method `happyfun` is private --> $DIR/issue-3763.rs:25:27 | LL | fn happyfun(&self) {} - | ------------------ private associated function defined here + | ------------------ private method defined here ... LL | (Box::new(my_struct)).happyfun(); - | ^^^^^^^^ private associated function + | ^^^^^^^^ private method error[E0616]: field `priv_field` of struct `MyStruct` is private --> $DIR/issue-3763.rs:26:26 diff --git a/tests/ui/issues/issue-47715.stderr b/tests/ui/issues/issue-47715.stderr index 0ee9388bf2b..dadea34b688 100644 --- a/tests/ui/issues/issue-47715.stderr +++ b/tests/ui/issues/issue-47715.stderr @@ -1,22 +1,22 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generics --> $DIR/issue-47715.rs:9:37 | LL | struct Container<T: Iterable<Item = impl Foo>> { | ^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generics --> $DIR/issue-47715.rs:14:30 | LL | enum Enum<T: Iterable<Item = impl Foo>> { | ^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generics --> $DIR/issue-47715.rs:19:32 | LL | union Union<T: Iterable<Item = impl Foo> + Copy> { | ^^^^^^^^ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generics --> $DIR/issue-47715.rs:24:30 | LL | type Type<T: Iterable<Item = impl Foo>> = T; diff --git a/tests/ui/issues/issue-48364.stderr b/tests/ui/issues/issue-48364.stderr index a4c88fd880a..cac4af6a7f3 100644 --- a/tests/ui/issues/issue-48364.stderr +++ b/tests/ui/issues/issue-48364.stderr @@ -8,7 +8,7 @@ LL | b"".starts_with(stringify!(foo)) | = note: expected reference `&[u8]` found reference `&'static str` -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/slice/mod.rs:LL:COL = note: this error originates in the macro `stringify` (in Nightly builds, run with -Z macro-backtrace for more info) diff --git a/tests/ui/issues/issue-53251.rs b/tests/ui/issues/issue-53251.rs index 240826a161d..da3ba63ef67 100644 --- a/tests/ui/issues/issue-53251.rs +++ b/tests/ui/issues/issue-53251.rs @@ -9,8 +9,8 @@ macro_rules! impl_add { $( fn $n() { S::f::<i64>(); - //~^ ERROR this associated function takes 0 generic - //~| ERROR this associated function takes 0 generic + //~^ ERROR associated function takes 0 generic + //~| ERROR associated function takes 0 generic } )* } diff --git a/tests/ui/issues/issue-53251.stderr b/tests/ui/issues/issue-53251.stderr index cee9a5deb05..d5f14e8deb9 100644 --- a/tests/ui/issues/issue-53251.stderr +++ b/tests/ui/issues/issue-53251.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated function takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-53251.rs:11:20 | LL | S::f::<i64>(); @@ -16,7 +16,7 @@ LL | fn f() {} | ^ = note: this error originates in the macro `impl_add` (in Nightly builds, run with -Z macro-backtrace for more info) -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated function takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-53251.rs:11:20 | LL | S::f::<i64>(); diff --git a/tests/ui/issues/issue-60218.stderr b/tests/ui/issues/issue-60218.stderr index dd72b6515dd..563690c9a5d 100644 --- a/tests/ui/issues/issue-60218.stderr +++ b/tests/ui/issues/issue-60218.stderr @@ -10,7 +10,7 @@ note: required by a bound in `trigger_error` --> $DIR/issue-60218.rs:13:72 | LL | pub fn trigger_error<I, F>(iterable: I, functor: F) - | ------------- required by a bound in this + | ------------- required by a bound in this function ... LL | for<'t> <Map<<&'t I as IntoIterator>::IntoIter, F> as Iterator>::Item: Foo, | ^^^ required by this bound in `trigger_error` diff --git a/tests/ui/issues/issue-60622.rs b/tests/ui/issues/issue-60622.rs index 8e230c615bc..7b9443eee50 100644 --- a/tests/ui/issues/issue-60622.rs +++ b/tests/ui/issues/issue-60622.rs @@ -9,7 +9,7 @@ impl Borked { fn run_wild<T>(b: &Borked) { b.a::<'_, T>(); //~^ ERROR cannot specify lifetime arguments explicitly if late bound lifetime parameters are present - //~| ERROR this associated function takes 0 generic arguments but 1 generic argument + //~| ERROR method takes 0 generic arguments but 1 generic argument //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! } diff --git a/tests/ui/issues/issue-60622.stderr b/tests/ui/issues/issue-60622.stderr index ecf1ae758dd..43da2773940 100644 --- a/tests/ui/issues/issue-60622.stderr +++ b/tests/ui/issues/issue-60622.stderr @@ -16,7 +16,7 @@ LL | #![deny(warnings)] | ^^^^^^^^ = note: `#[deny(late_bound_lifetime_arguments)]` implied by `#[deny(warnings)]` -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-60622.rs:10:7 | LL | b.a::<'_, T>(); @@ -24,7 +24,7 @@ LL | b.a::<'_, T>(); | | | expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters +note: method defined here, with 0 generic parameters --> $DIR/issue-60622.rs:6:8 | LL | fn a(&self) {} diff --git a/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2015.stderr b/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2015.stderr index d0cb16995af..4af3672ef72 100644 --- a/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2015.stderr +++ b/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2015.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `await` for the type `r#fn | LL | fn r#struct(&self) { | ^^^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | async::r#struct(&r#fn {}); | ~~~~~~~~~~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | await::r#struct(&r#fn {}); | ~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2018.stderr b/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2018.stderr index a75c1c41363..2b96a0fb5e5 100644 --- a/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2018.stderr +++ b/tests/ui/issues/issue-65634-raw-ident-suggestion.edition2018.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `r#await` for the type `r# | LL | fn r#struct(&self) { | ^^^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | r#async::r#struct(&r#fn {}); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | r#await::r#struct(&r#fn {}); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/tests/ui/issues/issue-69455.stderr b/tests/ui/issues/issue-69455.stderr index fc343bb54aa..d3e307fba2c 100644 --- a/tests/ui/issues/issue-69455.stderr +++ b/tests/ui/issues/issue-69455.stderr @@ -2,7 +2,7 @@ error[E0284]: type annotations needed --> $DIR/issue-69455.rs:29:41 | LL | println!("{}", 23u64.test(xs.iter().sum())); - | ---- ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | ---- ^^^ cannot infer type of the type parameter `S` declared on the method `sum` | | | type must be known at this point | @@ -16,7 +16,7 @@ error[E0283]: type annotations needed --> $DIR/issue-69455.rs:29:41 | LL | println!("{}", 23u64.test(xs.iter().sum())); - | ---- ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | ---- ^^^ cannot infer type of the type parameter `S` declared on the method `sum` | | | required by a bound introduced by this call | diff --git a/tests/ui/issues/issue-69683.stderr b/tests/ui/issues/issue-69683.stderr index 193de1a35cf..c428ea9ea2c 100644 --- a/tests/ui/issues/issue-69683.stderr +++ b/tests/ui/issues/issue-69683.stderr @@ -31,7 +31,7 @@ LL | u8: Element<I>, | ^^^^^^^^^^ required by this bound in `Foo::foo` LL | { LL | fn foo(self, x: <u8 as Element<I>>::Array); - | --- required by a bound in this + | --- required by a bound in this associated function help: try using a fully qualified path to specify the expected types | LL | <u16 as Foo<I>>::foo(0u16, b); diff --git a/tests/ui/lang-items/bad-add-impl.rs b/tests/ui/lang-items/bad-add-impl.rs new file mode 100644 index 00000000000..0c44edbe51a --- /dev/null +++ b/tests/ui/lang-items/bad-add-impl.rs @@ -0,0 +1,18 @@ +#![feature(no_core)] +#![feature(lang_items)] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +#[lang = "add"] +trait Add<T> { + const add: u32 = 1u32; +} + +impl Add<u32> for u32 {} + +fn main() { + 1u32 + 1u32; + //~^ ERROR cannot add `u32` to `u32` +} diff --git a/tests/ui/lang-items/bad-add-impl.stderr b/tests/ui/lang-items/bad-add-impl.stderr new file mode 100644 index 00000000000..3143729f99b --- /dev/null +++ b/tests/ui/lang-items/bad-add-impl.stderr @@ -0,0 +1,11 @@ +error[E0369]: cannot add `u32` to `u32` + --> $DIR/bad-add-impl.rs:16:10 + | +LL | 1u32 + 1u32; + | ---- ^ ---- u32 + | | + | u32 + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0369`. diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_item.stderr new file mode 100644 index 00000000000..ff603111e94 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:39:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:43:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_sig.stderr new file mode 100644 index 00000000000..ff603111e94 --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:39:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:43:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_item.stderr new file mode 100644 index 00000000000..02e33c597fe --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_sig.stderr new file mode 100644 index 00000000000..02e33c597fe --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_item.stderr new file mode 100644 index 00000000000..02e33c597fe --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_sig.stderr new file mode 100644 index 00000000000..02e33c597fe --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_mut_bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_item.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_item.stderr new file mode 100644 index 00000000000..02e33c597fe --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_item.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_sig.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_sig.stderr new file mode 100644 index 00000000000..02e33c597fe --- /dev/null +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.fn_once_bad_sig.stderr @@ -0,0 +1,18 @@ +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:42:5 + | +LL | a(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: failed to find an overloaded call trait for closure call + --> $DIR/fn-fn_mut-call-ill-formed.rs:47:5 + | +LL | b(); + | ^^^ + | + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs index 52bd8136d9c..757c6538d05 100644 --- a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs +++ b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.rs @@ -1,27 +1,49 @@ -// Make sure that an error is reported if the `call` function of the -// `fn`/`fn_mut` lang item is grossly ill-formed. +// revisions: fn_once_bad_item fn_once_bad_sig fn_mut_bad_item fn_mut_bad_sig fn_bad_item fn_bad_sig #![feature(lang_items)] #![feature(no_core)] #![no_core] +#[lang = "sized"] +trait Sized {} + +#[cfg(any(fn_bad_item, fn_bad_sig))] #[lang = "fn"] trait MyFn<T> { + #[cfg(fn_bad_sig)] + fn call(i: i32) -> i32 { 0 } + + #[cfg(fn_bad_item)] const call: i32 = 42; - //~^ ERROR: `call` trait item in `fn` lang item must be a function } +#[cfg(any(fn_mut_bad_item, fn_mut_bad_sig))] #[lang = "fn_mut"] trait MyFnMut<T> { - fn call(i: i32, j: i32) -> i32 { i + j } - //~^ ERROR: first argument of `call` in `fn_mut` lang item must be a reference + #[cfg(fn_mut_bad_sig)] + fn call_mut(i: i32) -> i32 { 0 } + + #[cfg(fn_mut_bad_item)] + const call_mut: i32 = 42; +} + +#[cfg(any(fn_once_bad_item, fn_once_bad_sig))] +#[lang = "fn_once"] +trait MyFnOnce<T> { + #[cfg(fn_once_bad_sig)] + fn call_once(i: i32) -> i32 { 0 } + + #[cfg(fn_once_bad_item)] + const call_once: i32 = 42; } fn main() { let a = || 42; a(); + //~^ ERROR failed to find an overloaded call trait for closure call let mut i = 0; - let mut b = || { i += 1; }; + let mut b = || { }; b(); + //~^ ERROR failed to find an overloaded call trait for closure call } diff --git a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr b/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr deleted file mode 100644 index 82bdae270c8..00000000000 --- a/tests/ui/lang-items/fn-fn_mut-call-ill-formed.stderr +++ /dev/null @@ -1,14 +0,0 @@ -error: `call` trait item in `fn` lang item must be a function - --> $DIR/fn-fn_mut-call-ill-formed.rs:10:5 - | -LL | const call: i32 = 42; - | ^^^^^^^^^^^^^^^^^^^^^ - -error: first argument of `call` in `fn_mut` lang item must be a reference - --> $DIR/fn-fn_mut-call-ill-formed.rs:16:16 - | -LL | fn call(i: i32, j: i32) -> i32 { i + j } - | ^^^ - -error: aborting due to 2 previous errors - diff --git a/tests/ui/lang-items/issue-86238.stderr b/tests/ui/lang-items/issue-86238.stderr index 767e6de2263..c6e811a94fe 100644 --- a/tests/ui/lang-items/issue-86238.stderr +++ b/tests/ui/lang-items/issue-86238.stderr @@ -4,7 +4,7 @@ error: failed to find an overloaded call trait for closure call LL | one() | ^^^^^ | - = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have associated `call`/`call_mut`/`call_once` functions + = help: make sure the `fn`/`fn_mut`/`fn_once` lang items are defined and have correctly defined `call`/`call_mut`/`call_once` methods error: aborting due to previous error diff --git a/tests/ui/late-bound-lifetimes/mismatched_arg_count.rs b/tests/ui/late-bound-lifetimes/mismatched_arg_count.rs index 0b331e2039f..792563fd82b 100644 --- a/tests/ui/late-bound-lifetimes/mismatched_arg_count.rs +++ b/tests/ui/late-bound-lifetimes/mismatched_arg_count.rs @@ -7,6 +7,6 @@ trait Trait<'a> { type Alias<'a, T> = <T as Trait<'a>>::Assoc; fn bar<'a, T: Trait<'a>>(_: Alias<'a, 'a, T>) {} -//~^ error: this type alias takes 1 lifetime argument but 2 lifetime arguments were supplied +//~^ error: type alias takes 1 lifetime argument but 2 lifetime arguments were supplied fn main() {} diff --git a/tests/ui/late-bound-lifetimes/mismatched_arg_count.stderr b/tests/ui/late-bound-lifetimes/mismatched_arg_count.stderr index 3704d9bb957..de58a014ee8 100644 --- a/tests/ui/late-bound-lifetimes/mismatched_arg_count.stderr +++ b/tests/ui/late-bound-lifetimes/mismatched_arg_count.stderr @@ -1,4 +1,4 @@ -error[E0107]: this type alias takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: type alias takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/mismatched_arg_count.rs:9:29 | LL | fn bar<'a, T: Trait<'a>>(_: Alias<'a, 'a, T>) {} diff --git a/tests/ui/lexer/issue-108019-bad-emoji-recovery.rs b/tests/ui/lexer/issue-108019-bad-emoji-recovery.rs new file mode 100644 index 00000000000..f0f86224560 --- /dev/null +++ b/tests/ui/lexer/issue-108019-bad-emoji-recovery.rs @@ -0,0 +1,45 @@ +#![allow(unused_labels)] + +// FIXME(#108019): outdated Unicode table +// fn foo() { +// '🥺 loop { +// break +// } +// } + +fn bar() { + '🐱 loop { + //~^ ERROR labeled expression must be followed by `:` + //~| ERROR lifetimes or labels cannot contain emojis + break + } +} + +fn qux() { + 'a🐱 loop { + //~^ ERROR labeled expression must be followed by `:` + //~| ERROR lifetimes or labels cannot contain emojis + break + } +} + +fn quux() { + '1🐱 loop { + //~^ ERROR labeled expression must be followed by `:` + //~| ERROR lifetimes or labels cannot start with a number + break + } +} + +fn x<'🐱>() -> &'🐱 () { + //~^ ERROR lifetimes or labels cannot contain emojis + //~| ERROR lifetimes or labels cannot contain emojis + &() +} + +fn y() { + 'a🐱: loop {} + //~^ ERROR lifetimes or labels cannot contain emojis +} + +fn main() {} diff --git a/tests/ui/lexer/issue-108019-bad-emoji-recovery.stderr b/tests/ui/lexer/issue-108019-bad-emoji-recovery.stderr new file mode 100644 index 00000000000..be77ffdea34 --- /dev/null +++ b/tests/ui/lexer/issue-108019-bad-emoji-recovery.stderr @@ -0,0 +1,86 @@ +error: labeled expression must be followed by `:` + --> $DIR/issue-108019-bad-emoji-recovery.rs:11:5 + | +LL | '🐱 loop { + | ^--- help: add `:` after the label + | | + | _____the label + | | +LL | | +LL | | +LL | | break +LL | | } + | |_____^ + | + = note: labels are used before loops and blocks, allowing e.g., `break 'label` to them + +error: labeled expression must be followed by `:` + --> $DIR/issue-108019-bad-emoji-recovery.rs:19:5 + | +LL | 'a🐱 loop { + | ^---- help: add `:` after the label + | | + | _____the label + | | +LL | | +LL | | +LL | | break +LL | | } + | |_____^ + | + = note: labels are used before loops and blocks, allowing e.g., `break 'label` to them + +error: labeled expression must be followed by `:` + --> $DIR/issue-108019-bad-emoji-recovery.rs:27:5 + | +LL | '1🐱 loop { + | ^---- help: add `:` after the label + | | + | _____the label + | | +LL | | +LL | | +LL | | break +LL | | } + | |_____^ + | + = note: labels are used before loops and blocks, allowing e.g., `break 'label` to them + +error: lifetimes or labels cannot contain emojis + --> $DIR/issue-108019-bad-emoji-recovery.rs:11:5 + | +LL | '🐱 loop { + | ^^^ + +error: lifetimes or labels cannot contain emojis + --> $DIR/issue-108019-bad-emoji-recovery.rs:19:5 + | +LL | 'a🐱 loop { + | ^^^^ + +error: lifetimes or labels cannot start with a number + --> $DIR/issue-108019-bad-emoji-recovery.rs:27:5 + | +LL | '1🐱 loop { + | ^^^^ + +error: lifetimes or labels cannot contain emojis + --> $DIR/issue-108019-bad-emoji-recovery.rs:34:6 + | +LL | fn x<'🐱>() -> &'🐱 () { + | ^^^ + +error: lifetimes or labels cannot contain emojis + --> $DIR/issue-108019-bad-emoji-recovery.rs:34:16 + | +LL | fn x<'🐱>() -> &'🐱 () { + | ^^^ + +error: lifetimes or labels cannot contain emojis + --> $DIR/issue-108019-bad-emoji-recovery.rs:41:5 + | +LL | 'a🐱: loop {} + | ^^^^ + +error: aborting due to 9 previous errors + diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr index 4bcd7cf9578..6fd7f67d15e 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-return-type-is-anon.stderr @@ -7,7 +7,7 @@ LL | fn foo<'a>(&self, x: &'a i32) -> &i32 { | lifetime `'a` defined here LL | LL | x - | ^ associated function was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` + | ^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` error: aborting due to previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr index 34a64f8a63e..2687266e098 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex1-return-one-existing-name-self-is-anon.stderr @@ -7,7 +7,7 @@ LL | fn foo<'a>(&self, x: &'a Foo) -> &'a Foo { | lifetime `'a` defined here LL | LL | if true { x } else { self } - | ^^^^ associated function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` + | ^^^^ method was supposed to return data with lifetime `'a` but it is returning data with lifetime `'1` error: aborting due to previous error diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr index 5601335d275..9ff5e42d732 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-return-type-is-anon.stderr @@ -6,7 +6,7 @@ LL | fn foo<'a>(&self, x: &i32) -> &i32 { | | | let's call the lifetime of this reference `'2` LL | x - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr index e221902c4a9..e4c855e11fe 100644 --- a/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr +++ b/tests/ui/lifetimes/lifetime-errors/ex3-both-anon-regions-self-is-anon.stderr @@ -6,7 +6,7 @@ LL | fn foo<'a>(&self, x: &Foo) -> &Foo { | | | let's call the lifetime of this reference `'2` LL | if true { x } else { self } - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/lint/dead-code/in-closure.rs b/tests/ui/lint/dead-code/in-closure.rs new file mode 100644 index 00000000000..c55634405ed --- /dev/null +++ b/tests/ui/lint/dead-code/in-closure.rs @@ -0,0 +1,16 @@ +// edition: 2021 + +#![deny(dead_code)] + +pub fn foo() { + let closure = || { + fn a() {} //~ ERROR function `a` is never used + }; + closure() +} + +pub async fn async_foo() { + const A: usize = 1; //~ ERROR constant `A` is never used +} + +fn main() {} diff --git a/tests/ui/lint/dead-code/in-closure.stderr b/tests/ui/lint/dead-code/in-closure.stderr new file mode 100644 index 00000000000..deb276be702 --- /dev/null +++ b/tests/ui/lint/dead-code/in-closure.stderr @@ -0,0 +1,20 @@ +error: function `a` is never used + --> $DIR/in-closure.rs:7:12 + | +LL | fn a() {} + | ^ + | +note: the lint level is defined here + --> $DIR/in-closure.rs:3:9 + | +LL | #![deny(dead_code)] + | ^^^^^^^^^ + +error: constant `A` is never used + --> $DIR/in-closure.rs:13:11 + | +LL | const A: usize = 1; + | ^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/lint/dead-code/issue-85255.rs b/tests/ui/lint/dead-code/issue-85255.rs index 043f68137b8..1978bd4e824 100644 --- a/tests/ui/lint/dead-code/issue-85255.rs +++ b/tests/ui/lint/dead-code/issue-85255.rs @@ -11,8 +11,8 @@ struct Foo { struct Bar; impl Bar { - fn a(&self) -> i32 { 5 } //~ WARNING: associated function `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: associated function `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used + pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used } pub(crate) struct Foo1 { @@ -23,8 +23,8 @@ pub(crate) struct Foo1 { pub(crate) struct Bar1; impl Bar1 { - fn a(&self) -> i32 { 5 } //~ WARNING: associated function `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: associated function `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used + pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used } pub(crate) struct Foo2 { @@ -35,8 +35,8 @@ pub(crate) struct Foo2 { pub(crate) struct Bar2; impl Bar2 { - fn a(&self) -> i32 { 5 } //~ WARNING: associated function `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: associated function `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used + pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used } diff --git a/tests/ui/lint/dead-code/issue-85255.stderr b/tests/ui/lint/dead-code/issue-85255.stderr index 3497b952fdd..58a19cf3c99 100644 --- a/tests/ui/lint/dead-code/issue-85255.stderr +++ b/tests/ui/lint/dead-code/issue-85255.stderr @@ -34,37 +34,37 @@ LL | a: i32, LL | pub b: i32, | ^ -warning: associated function `a` is never used +warning: method `a` is never used --> $DIR/issue-85255.rs:14:8 | LL | fn a(&self) -> i32 { 5 } | ^ -warning: associated function `b` is never used +warning: method `b` is never used --> $DIR/issue-85255.rs:15:12 | LL | pub fn b(&self) -> i32 { 6 } | ^ -warning: associated function `a` is never used +warning: method `a` is never used --> $DIR/issue-85255.rs:26:8 | LL | fn a(&self) -> i32 { 5 } | ^ -warning: associated function `b` is never used +warning: method `b` is never used --> $DIR/issue-85255.rs:27:12 | LL | pub fn b(&self) -> i32 { 6 } | ^ -warning: associated function `a` is never used +warning: method `a` is never used --> $DIR/issue-85255.rs:38:8 | LL | fn a(&self) -> i32 { 5 } | ^ -warning: associated function `b` is never used +warning: method `b` is never used --> $DIR/issue-85255.rs:39:12 | LL | pub fn b(&self) -> i32 { 6 } diff --git a/tests/ui/lint/dead-code/lint-dead-code-3.rs b/tests/ui/lint/dead-code/lint-dead-code-3.rs index 293fcdbc5ee..20b568054df 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-3.rs +++ b/tests/ui/lint/dead-code/lint-dead-code-3.rs @@ -13,7 +13,7 @@ extern "C" { struct Foo; //~ ERROR: struct `Foo` is never constructed impl Foo { - fn foo(&self) { //~ ERROR: associated function `foo` is never used + fn foo(&self) { //~ ERROR: method `foo` is never used bar() } } diff --git a/tests/ui/lint/dead-code/lint-dead-code-3.stderr b/tests/ui/lint/dead-code/lint-dead-code-3.stderr index 26fc13bae08..797b7559c01 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-3.stderr +++ b/tests/ui/lint/dead-code/lint-dead-code-3.stderr @@ -34,7 +34,7 @@ error: function `blah` is never used LL | fn blah() {} | ^^^^ -error: associated function `foo` is never used +error: method `foo` is never used --> $DIR/lint-dead-code-3.rs:16:8 | LL | fn foo(&self) { diff --git a/tests/ui/lint/invalid_value.stderr b/tests/ui/lint/invalid_value.stderr index 48fd4169da7..57531b0968f 100644 --- a/tests/ui/lint/invalid_value.stderr +++ b/tests/ui/lint/invalid_value.stderr @@ -61,10 +61,7 @@ error: the type `!` does not permit zero-initialization --> $DIR/invalid_value.rs:65:23 | LL | let _val: ! = mem::zeroed(); - | ^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: the `!` type has no valid value @@ -72,10 +69,7 @@ error: the type `!` does not permit being left uninitialized --> $DIR/invalid_value.rs:66:23 | LL | let _val: ! = mem::uninitialized(); - | ^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: the `!` type has no valid value @@ -83,10 +77,7 @@ error: the type `(i32, !)` does not permit zero-initialization --> $DIR/invalid_value.rs:68:30 | LL | let _val: (i32, !) = mem::zeroed(); - | ^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: the `!` type has no valid value @@ -94,10 +85,7 @@ error: the type `(i32, !)` does not permit being left uninitialized --> $DIR/invalid_value.rs:69:30 | LL | let _val: (i32, !) = mem::uninitialized(); - | ^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | = note: integers must be initialized @@ -105,10 +93,7 @@ error: the type `Void` does not permit zero-initialization --> $DIR/invalid_value.rs:71:26 | LL | let _val: Void = mem::zeroed(); - | ^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: enums with no inhabited variants have no valid value --> $DIR/invalid_value.rs:12:1 @@ -120,10 +105,7 @@ error: the type `Void` does not permit being left uninitialized --> $DIR/invalid_value.rs:72:26 | LL | let _val: Void = mem::uninitialized(); - | ^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: enums with no inhabited variants have no valid value --> $DIR/invalid_value.rs:12:1 @@ -405,10 +387,7 @@ error: the type `TwoUninhabited` does not permit zero-initialization --> $DIR/invalid_value.rs:104:36 | LL | let _val: TwoUninhabited = mem::zeroed(); - | ^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: enums with no inhabited variants have no valid value --> $DIR/invalid_value.rs:42:1 @@ -420,10 +399,7 @@ error: the type `TwoUninhabited` does not permit being left uninitialized --> $DIR/invalid_value.rs:105:36 | LL | let _val: TwoUninhabited = mem::uninitialized(); - | ^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: enums with no inhabited variants have no valid value --> $DIR/invalid_value.rs:42:1 diff --git a/tests/ui/lint/issue-108155.rs b/tests/ui/lint/issue-108155.rs new file mode 100644 index 00000000000..4ae0cbd92ff --- /dev/null +++ b/tests/ui/lint/issue-108155.rs @@ -0,0 +1,15 @@ +// check-pass +// check that `deref_into_dyn_supertrait` doesn't cause ICE by eagerly converting +// a cancelled lint + +#![allow(deref_into_dyn_supertrait)] + +trait Trait {} +impl std::ops::Deref for dyn Trait + Send + Sync { + type Target = dyn Trait; + fn deref(&self) -> &Self::Target { + self + } +} + +fn main() {} diff --git a/tests/ui/lint/lint-missing-doc.rs b/tests/ui/lint/lint-missing-doc.rs index 2297257919e..4a234d2651a 100644 --- a/tests/ui/lint/lint-missing-doc.rs +++ b/tests/ui/lint/lint-missing-doc.rs @@ -50,8 +50,10 @@ trait B { } pub trait C { //~ ERROR: missing documentation for a trait - fn foo(&self); //~ ERROR: missing documentation for an associated function - fn foo_with_impl(&self) {} //~ ERROR: missing documentation for an associated function + fn foo(&self); //~ ERROR: missing documentation for a method + fn foo_with_impl(&self) {} //~ ERROR: missing documentation for a method + fn foo_no_self(); //~ ERROR: missing documentation for an associated function + fn foo_no_self_with_impl() {} //~ ERROR: missing documentation for an associated function } #[allow(missing_docs)] diff --git a/tests/ui/lint/lint-missing-doc.stderr b/tests/ui/lint/lint-missing-doc.stderr index d68472d4b66..733d062a08b 100644 --- a/tests/ui/lint/lint-missing-doc.stderr +++ b/tests/ui/lint/lint-missing-doc.stderr @@ -40,101 +40,113 @@ error: missing documentation for a trait LL | pub trait C { | ^^^^^^^^^^^ -error: missing documentation for an associated function +error: missing documentation for a method --> $DIR/lint-missing-doc.rs:53:5 | LL | fn foo(&self); | ^^^^^^^^^^^^^^ -error: missing documentation for an associated function +error: missing documentation for a method --> $DIR/lint-missing-doc.rs:54:5 | LL | fn foo_with_impl(&self) {} | ^^^^^^^^^^^^^^^^^^^^^^^ +error: missing documentation for an associated function + --> $DIR/lint-missing-doc.rs:55:5 + | +LL | fn foo_no_self(); + | ^^^^^^^^^^^^^^^^^ + +error: missing documentation for an associated function + --> $DIR/lint-missing-doc.rs:56:5 + | +LL | fn foo_no_self_with_impl() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: missing documentation for an associated type - --> $DIR/lint-missing-doc.rs:64:5 + --> $DIR/lint-missing-doc.rs:66:5 | LL | type AssociatedType; | ^^^^^^^^^^^^^^^^^^^ error: missing documentation for an associated type - --> $DIR/lint-missing-doc.rs:65:5 + --> $DIR/lint-missing-doc.rs:67:5 | LL | type AssociatedTypeDef = Self; | ^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for an associated function - --> $DIR/lint-missing-doc.rs:81:5 + --> $DIR/lint-missing-doc.rs:83:5 | LL | pub fn foo() {} | ^^^^^^^^^^^^ error: missing documentation for an enum - --> $DIR/lint-missing-doc.rs:118:1 + --> $DIR/lint-missing-doc.rs:120:1 | LL | pub enum PubBaz { | ^^^^^^^^^^^^^^^ error: missing documentation for a variant - --> $DIR/lint-missing-doc.rs:119:5 + --> $DIR/lint-missing-doc.rs:121:5 | LL | PubBazA { | ^^^^^^^ error: missing documentation for a struct field - --> $DIR/lint-missing-doc.rs:120:9 + --> $DIR/lint-missing-doc.rs:122:9 | LL | a: isize, | ^^^^^^^^ error: missing documentation for a constant - --> $DIR/lint-missing-doc.rs:151:1 + --> $DIR/lint-missing-doc.rs:153:1 | LL | pub const FOO4: u32 = 0; | ^^^^^^^^^^^^^^^^^^^ error: missing documentation for a static - --> $DIR/lint-missing-doc.rs:161:1 + --> $DIR/lint-missing-doc.rs:163:1 | LL | pub static BAR4: u32 = 0; | ^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/lint-missing-doc.rs:167:5 + --> $DIR/lint-missing-doc.rs:169:5 | LL | pub fn undocumented1() {} | ^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/lint-missing-doc.rs:168:5 + --> $DIR/lint-missing-doc.rs:170:5 | LL | pub fn undocumented2() {} | ^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/lint-missing-doc.rs:174:9 + --> $DIR/lint-missing-doc.rs:176:9 | LL | pub fn also_undocumented1() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/lint-missing-doc.rs:189:5 + --> $DIR/lint-missing-doc.rs:191:5 | LL | pub fn extern_fn_undocumented(f: f32) -> f32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a static - --> $DIR/lint-missing-doc.rs:194:5 + --> $DIR/lint-missing-doc.rs:196:5 | LL | pub static EXTERN_STATIC_UNDOCUMENTED: u8; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a foreign type - --> $DIR/lint-missing-doc.rs:199:5 + --> $DIR/lint-missing-doc.rs:201:5 | LL | pub type ExternTyUndocumented; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 22 previous errors +error: aborting due to 24 previous errors diff --git a/tests/ui/lint/lint-stability-deprecated.rs b/tests/ui/lint/lint-stability-deprecated.rs index 74c35083e60..a56a37228e5 100644 --- a/tests/ui/lint/lint-stability-deprecated.rs +++ b/tests/ui/lint/lint-stability-deprecated.rs @@ -22,40 +22,40 @@ mod cross_crate { let foo = MethodTester; deprecated(); //~ WARN use of deprecated function `lint_stability::deprecated` - foo.method_deprecated(); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated` - Foo::method_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated` - <Foo>::method_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated` - foo.trait_deprecated(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` + foo.method_deprecated(); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated` + Foo::method_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated` + <Foo>::method_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated` + foo.trait_deprecated(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` deprecated_text(); //~ WARN use of deprecated function `lint_stability::deprecated_text`: text - foo.method_deprecated_text(); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text - Foo::method_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text - <Foo>::method_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text - foo.trait_deprecated_text(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text + foo.method_deprecated_text(); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_text`: text + Foo::method_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_text`: text + <Foo>::method_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_text`: text + foo.trait_deprecated_text(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text deprecated_unstable(); //~ WARN use of deprecated function `lint_stability::deprecated_unstable` - foo.method_deprecated_unstable(); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable` - Foo::method_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable` - <Foo>::method_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable` - foo.trait_deprecated_unstable(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - Trait::trait_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - <Foo>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - <Foo as Trait>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` + foo.method_deprecated_unstable(); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable` + Foo::method_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable` + <Foo>::method_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable` + foo.trait_deprecated_unstable(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + Trait::trait_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + <Foo>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + <Foo as Trait>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` deprecated_unstable_text(); //~ WARN use of deprecated function `lint_stability::deprecated_unstable_text`: text - foo.method_deprecated_unstable_text(); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text - Foo::method_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text - <Foo>::method_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text - foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - Trait::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - <Foo>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - <Foo as Trait>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text + foo.method_deprecated_unstable_text(); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable_text`: text + Foo::method_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable_text`: text + <Foo>::method_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable_text`: text + foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text + Trait::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text + <Foo>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text + <Foo as Trait>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text unstable(); foo.method_unstable(); @@ -141,22 +141,22 @@ mod cross_crate { } fn test_method_param<Foo: Trait>(foo: Foo) { - foo.trait_deprecated(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - foo.trait_deprecated_unstable(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - Trait::trait_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - <Foo>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - <Foo as Trait>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - Trait::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - <Foo>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text - <Foo as Trait>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text + foo.trait_deprecated(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + foo.trait_deprecated_unstable(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + Trait::trait_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + <Foo>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + <Foo as Trait>::trait_deprecated_unstable(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text + Trait::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text + <Foo>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text + <Foo as Trait>::trait_deprecated_unstable_text(&foo); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text foo.trait_unstable(); Trait::trait_unstable(&foo); <Foo>::trait_unstable(&foo); @@ -172,10 +172,10 @@ mod cross_crate { } fn test_method_object(foo: &dyn Trait) { - foo.trait_deprecated(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text - foo.trait_deprecated_unstable(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable` - foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text + foo.trait_deprecated(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text + foo.trait_deprecated_unstable(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable` + foo.trait_deprecated_unstable_text(); //~ WARN use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text foo.trait_unstable(); foo.trait_unstable_text(); foo.trait_stable(); @@ -328,22 +328,22 @@ mod this_crate { let foo = MethodTester; deprecated(); //~ WARN use of deprecated function `this_crate::deprecated` - foo.method_deprecated(); //~ WARN use of deprecated associated function `this_crate::MethodTester::method_deprecated` - Foo::method_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::MethodTester::method_deprecated` - <Foo>::method_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::MethodTester::method_deprecated` - foo.trait_deprecated(); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` + foo.method_deprecated(); //~ WARN use of deprecated method `this_crate::MethodTester::method_deprecated` + Foo::method_deprecated(&foo); //~ WARN use of deprecated method `this_crate::MethodTester::method_deprecated` + <Foo>::method_deprecated(&foo); //~ WARN use of deprecated method `this_crate::MethodTester::method_deprecated` + foo.trait_deprecated(); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` deprecated_text(); //~ WARN use of deprecated function `this_crate::deprecated_text`: text - foo.method_deprecated_text(); //~ WARN use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - Foo::method_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - <Foo>::method_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text - foo.trait_deprecated_text(); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text + foo.method_deprecated_text(); //~ WARN use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text + Foo::method_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text + <Foo>::method_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text + foo.trait_deprecated_text(); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text unstable(); foo.method_unstable(); @@ -402,14 +402,14 @@ mod this_crate { } fn test_method_param<Foo: Trait>(foo: Foo) { - foo.trait_deprecated(); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - Trait::trait_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text - <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text + foo.trait_deprecated(); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + Trait::trait_deprecated(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo>::trait_deprecated(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + <Foo as Trait>::trait_deprecated(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + Trait::trait_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text + <Foo as Trait>::trait_deprecated_text(&foo); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text foo.trait_unstable(); Trait::trait_unstable(&foo); <Foo>::trait_unstable(&foo); @@ -425,8 +425,8 @@ mod this_crate { } fn test_method_object(foo: &dyn Trait) { - foo.trait_deprecated(); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated` - foo.trait_deprecated_text(); //~ WARN use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text + foo.trait_deprecated(); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated` + foo.trait_deprecated_text(); //~ WARN use of deprecated method `this_crate::Trait::trait_deprecated_text`: text foo.trait_unstable(); foo.trait_unstable_text(); foo.trait_stable(); diff --git a/tests/ui/lint/lint-stability-deprecated.stderr b/tests/ui/lint/lint-stability-deprecated.stderr index 9f1e7b281e9..19a4649e168 100644 --- a/tests/ui/lint/lint-stability-deprecated.stderr +++ b/tests/ui/lint/lint-stability-deprecated.stderr @@ -10,13 +10,13 @@ note: the lint level is defined here LL | #![warn(deprecated)] | ^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:29:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:31:25 | LL | <Foo as Trait>::trait_deprecated(&foo); @@ -28,17 +28,17 @@ warning: use of deprecated function `lint_stability::deprecated_text`: text LL | deprecated_text(); | ^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:38:16 | -LL | ... Trait::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | Trait::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:40:25 | -LL | ... <Foo as Trait>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo as Trait>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `lint_stability::deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:42:9 @@ -46,13 +46,13 @@ warning: use of deprecated function `lint_stability::deprecated_unstable`: text LL | deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:47:16 | -LL | ... Trait::trait_deprecated_unstable(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | Trait::trait_deprecated_unstable(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:49:25 | LL | ... <Foo as Trait>::trait_deprecated_unstable(&foo); @@ -64,13 +64,13 @@ warning: use of deprecated function `lint_stability::deprecated_unstable_text`: LL | deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:56:16 | LL | ... Trait::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:58:25 | LL | ... <Foo as Trait>::trait_deprecated_unstable_text(&foo); @@ -142,49 +142,49 @@ warning: use of deprecated function `lint_stability::deprecated_text`: text LL | macro_test_arg!(macro_test_arg!(deprecated_text())); | ^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:145:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:147:25 | LL | <Foo as Trait>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:149:16 | -LL | ... Trait::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | Trait::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:151:25 | -LL | ... <Foo as Trait>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo as Trait>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:153:16 | -LL | ... Trait::trait_deprecated_unstable(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | Trait::trait_deprecated_unstable(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:155:25 | LL | ... <Foo as Trait>::trait_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:157:16 | LL | ... Trait::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:159:25 | LL | ... <Foo as Trait>::trait_deprecated_unstable_text(&foo); @@ -214,13 +214,13 @@ warning: use of deprecated function `this_crate::deprecated`: text LL | deprecated(); | ^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:335:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:337:25 | LL | <Foo as Trait>::trait_deprecated(&foo); @@ -232,17 +232,17 @@ warning: use of deprecated function `this_crate::deprecated_text`: text LL | deprecated_text(); | ^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:344:16 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:346:25 | -LL | ... <Foo as Trait>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo as Trait>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated struct `this_crate::DeprecatedStruct`: text --> $DIR/lint-stability-deprecated.rs:384:17 @@ -268,29 +268,29 @@ warning: use of deprecated tuple struct `this_crate::DeprecatedTupleStruct`: tex LL | let _ = DeprecatedTupleStruct (1); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:406:16 | LL | Trait::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:408:25 | LL | <Foo as Trait>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:410:16 | LL | Trait::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:412:25 | -LL | ... <Foo as Trait>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo as Trait>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ warning: use of deprecated function `this_crate::test_fn_body::fn_in_body`: text --> $DIR/lint-stability-deprecated.rs:439:9 @@ -328,121 +328,121 @@ warning: use of deprecated associated type `lint_stability::TraitWithAssociatedT LL | TypeDeprecated = u16, | ^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated`: text --> $DIR/lint-stability-deprecated.rs:25:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated`: text --> $DIR/lint-stability-deprecated.rs:26:14 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated`: text --> $DIR/lint-stability-deprecated.rs:27:16 | LL | <Foo>::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:28:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:30:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:34:13 | -LL | ... foo.method_deprecated_text(); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | foo.method_deprecated_text(); + | ^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:35:14 | -LL | ... Foo::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | Foo::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_text`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:36:16 | -LL | ... <Foo>::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:37:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:39:16 | -LL | ... <Foo>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:43:13 | -LL | ... foo.method_deprecated_unstable(); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | foo.method_deprecated_unstable(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:44:14 | -LL | ... Foo::method_deprecated_unstable(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | Foo::method_deprecated_unstable(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:45:16 | LL | ... <Foo>::method_deprecated_unstable(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:46:13 | LL | foo.trait_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:48:16 | -LL | ... <Foo>::trait_deprecated_unstable(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::trait_deprecated_unstable(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:52:13 | LL | ... foo.method_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:53:14 | LL | ... Foo::method_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::MethodTester::method_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::MethodTester::method_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:54:16 | LL | ... <Foo>::method_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:55:13 | LL | ... foo.trait_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:57:16 | LL | ... <Foo>::trait_deprecated_unstable_text(&foo); @@ -460,133 +460,133 @@ warning: use of deprecated field `lint_stability::DeprecatedUnstableStruct::i`: LL | i: 0 | ^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:144:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:146:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:148:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:150:16 | -LL | ... <Foo>::trait_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::trait_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:152:13 | LL | foo.trait_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:154:16 | -LL | ... <Foo>::trait_deprecated_unstable(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::trait_deprecated_unstable(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:156:13 | LL | ... foo.trait_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:158:16 | LL | ... <Foo>::trait_deprecated_unstable_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:175:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:176:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable`: text --> $DIR/lint-stability-deprecated.rs:177:13 | LL | foo.trait_deprecated_unstable(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `lint_stability::Trait::trait_deprecated_unstable_text`: text +warning: use of deprecated method `lint_stability::Trait::trait_deprecated_unstable_text`: text --> $DIR/lint-stability-deprecated.rs:178:13 | LL | ... foo.trait_deprecated_unstable_text(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text +warning: use of deprecated method `this_crate::MethodTester::method_deprecated`: text --> $DIR/lint-stability-deprecated.rs:331:13 | LL | foo.method_deprecated(); | ^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text +warning: use of deprecated method `this_crate::MethodTester::method_deprecated`: text --> $DIR/lint-stability-deprecated.rs:332:14 | LL | Foo::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated`: text +warning: use of deprecated method `this_crate::MethodTester::method_deprecated`: text --> $DIR/lint-stability-deprecated.rs:333:16 | LL | <Foo>::method_deprecated(&foo); | ^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:334:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:336:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text +warning: use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:340:13 | -LL | ... foo.method_deprecated_text(); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | foo.method_deprecated_text(); + | ^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text +warning: use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:341:14 | -LL | ... Foo::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | Foo::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::MethodTester::method_deprecated_text`: text +warning: use of deprecated method `this_crate::MethodTester::method_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:342:16 | -LL | ... <Foo>::method_deprecated_text(&foo); - | ^^^^^^^^^^^^^^^^^^^^^^ +LL | <Foo>::method_deprecated_text(&foo); + | ^^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:343:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:345:16 | LL | <Foo>::trait_deprecated_text(&foo); @@ -598,37 +598,37 @@ warning: use of deprecated field `this_crate::DeprecatedStruct::i`: text LL | i: 0 | ^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:405:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:407:16 | LL | <Foo>::trait_deprecated(&foo); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:409:13 | LL | foo.trait_deprecated_text(); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:411:16 | LL | <Foo>::trait_deprecated_text(&foo); | ^^^^^^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated`: text --> $DIR/lint-stability-deprecated.rs:428:13 | LL | foo.trait_deprecated(); | ^^^^^^^^^^^^^^^^ -warning: use of deprecated associated function `this_crate::Trait::trait_deprecated_text`: text +warning: use of deprecated method `this_crate::Trait::trait_deprecated_text`: text --> $DIR/lint-stability-deprecated.rs:429:13 | LL | foo.trait_deprecated_text(); diff --git a/tests/ui/lint/unaligned_references.rs b/tests/ui/lint/unaligned_references.rs index 04b66885e85..0c9c79c08b2 100644 --- a/tests/ui/lint/unaligned_references.rs +++ b/tests/ui/lint/unaligned_references.rs @@ -13,6 +13,20 @@ pub struct Packed2 { z: u8, } +trait Foo { + fn evil(&self); +} + +// Test for #108122 +#[automatically_derived] +impl Foo for Packed2 { + fn evil(&self) { + unsafe { + &self.x; //~ ERROR reference to packed field + } + } +} + fn main() { unsafe { let good = Good { data: 0, ptr: &0, data2: [0, 0], aligned: [0; 32] }; @@ -37,6 +51,7 @@ fn main() { let _ = &packed2.x; //~ ERROR reference to packed field let _ = &packed2.y; // ok, has align 2 in packed(2) struct let _ = &packed2.z; // ok, has align 1 + packed2.evil(); } unsafe { @@ -71,22 +86,10 @@ fn main() { #[repr(packed)] struct Misalign<T>(u8, T); - let m1 = Misalign( - 0, - Wrapper { - a: U16(10), - b: HasDrop, - }, - ); + let m1 = Misalign(0, Wrapper { a: U16(10), b: HasDrop }); let _ref = &m1.1.a; //~ ERROR reference to packed field - let m2 = Misalign( - 0, - Wrapper2 { - a: U16(10), - b: HasDrop, - }, - ); + let m2 = Misalign(0, Wrapper2 { a: U16(10), b: HasDrop }); let _ref = &m2.1.a; //~ ERROR reference to packed field } } diff --git a/tests/ui/lint/unaligned_references.stderr b/tests/ui/lint/unaligned_references.stderr index 07b59464bde..775dcac678e 100644 --- a/tests/ui/lint/unaligned_references.stderr +++ b/tests/ui/lint/unaligned_references.stderr @@ -1,5 +1,14 @@ error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:20:17 + --> $DIR/unaligned_references.rs:25:13 + | +LL | &self.x; + | ^^^^^^^ + | + = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) + = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) + +error[E0793]: reference to packed field is unaligned + --> $DIR/unaligned_references.rs:34:17 | LL | let _ = &good.ptr; | ^^^^^^^^^ @@ -8,7 +17,7 @@ LL | let _ = &good.ptr; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:21:17 + --> $DIR/unaligned_references.rs:35:17 | LL | let _ = &good.data; | ^^^^^^^^^^ @@ -17,7 +26,7 @@ LL | let _ = &good.data; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:23:17 + --> $DIR/unaligned_references.rs:37:17 | LL | let _ = &good.data as *const _; | ^^^^^^^^^^ @@ -26,7 +35,7 @@ LL | let _ = &good.data as *const _; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:24:27 + --> $DIR/unaligned_references.rs:38:27 | LL | let _: *const _ = &good.data; | ^^^^^^^^^^ @@ -35,7 +44,7 @@ LL | let _: *const _ = &good.data; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:26:17 + --> $DIR/unaligned_references.rs:40:17 | LL | let _ = good.data.clone(); | ^^^^^^^^^^^^^^^^^ @@ -44,7 +53,7 @@ LL | let _ = good.data.clone(); = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:28:17 + --> $DIR/unaligned_references.rs:42:17 | LL | let _ = &good.data2[0]; | ^^^^^^^^^^^^^^ @@ -53,7 +62,7 @@ LL | let _ = &good.data2[0]; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:37:17 + --> $DIR/unaligned_references.rs:51:17 | LL | let _ = &packed2.x; | ^^^^^^^^^^ @@ -62,7 +71,7 @@ LL | let _ = &packed2.x; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:81:20 + --> $DIR/unaligned_references.rs:90:20 | LL | let _ref = &m1.1.a; | ^^^^^^^ @@ -71,7 +80,7 @@ LL | let _ref = &m1.1.a; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:90:20 + --> $DIR/unaligned_references.rs:93:20 | LL | let _ref = &m2.1.a; | ^^^^^^^ @@ -79,6 +88,6 @@ LL | let _ref = &m2.1.a; = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) -error: aborting due to 9 previous errors +error: aborting due to 10 previous errors For more information about this error, try `rustc --explain E0793`. diff --git a/tests/ui/match/match-ref-mut-invariance.stderr b/tests/ui/match/match-ref-mut-invariance.stderr index 3b7e53cd527..b353d3514fe 100644 --- a/tests/ui/match/match-ref-mut-invariance.stderr +++ b/tests/ui/match/match-ref-mut-invariance.stderr @@ -6,7 +6,7 @@ LL | impl<'b> S<'b> { LL | fn bar<'a>(&'a mut self) -> &'a mut &'a i32 { | -- lifetime `'a` defined here LL | match self.0 { ref mut x => x } - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ associated function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` | = help: consider adding the following bound: `'a: 'b` = note: requirement occurs because of a mutable reference to `&i32` diff --git a/tests/ui/match/match-ref-mut-let-invariance.stderr b/tests/ui/match/match-ref-mut-let-invariance.stderr index f4d1cea670b..bb0fcdb9990 100644 --- a/tests/ui/match/match-ref-mut-let-invariance.stderr +++ b/tests/ui/match/match-ref-mut-let-invariance.stderr @@ -7,7 +7,7 @@ LL | fn bar<'a>(&'a mut self) -> &'a mut &'a i32 { | -- lifetime `'a` defined here LL | let ref mut x = self.0; LL | x - | ^ associated function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | ^ method was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` | = help: consider adding the following bound: `'a: 'b` = note: requirement occurs because of a mutable reference to `&i32` diff --git a/tests/ui/methods/issues/issue-61525.stderr b/tests/ui/methods/issues/issue-61525.stderr index 32e269b7ad8..a8afdeb8401 100644 --- a/tests/ui/methods/issues/issue-61525.stderr +++ b/tests/ui/methods/issues/issue-61525.stderr @@ -27,7 +27,7 @@ LL | 1.query::<dyn ToString>("") | = note: expected trait object `dyn ToString` found reference `&'static str` -note: associated function defined here +note: method defined here --> $DIR/issue-61525.rs:2:8 | LL | fn query<Q>(self, q: Q); diff --git a/tests/ui/methods/method-ambig-two-traits-cross-crate.stderr b/tests/ui/methods/method-ambig-two-traits-cross-crate.stderr index 4b2597eed3c..5132d92777b 100644 --- a/tests/ui/methods/method-ambig-two-traits-cross-crate.stderr +++ b/tests/ui/methods/method-ambig-two-traits-cross-crate.stderr @@ -10,11 +10,11 @@ note: candidate #2 is defined in an impl of the trait `Me2` for the type `usize` | LL | impl Me2 for usize { fn me(&self) -> usize { *self } } | ^^^^^^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | fn main() { Me::me(&1_usize); } | ~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | fn main() { Me2::me(&1_usize); } | ~~~~~~~~~~~~~~~~~ diff --git a/tests/ui/methods/method-ambig-two-traits-from-bounds.stderr b/tests/ui/methods/method-ambig-two-traits-from-bounds.stderr index 1feaa2c73e0..601e6bbb006 100644 --- a/tests/ui/methods/method-ambig-two-traits-from-bounds.stderr +++ b/tests/ui/methods/method-ambig-two-traits-from-bounds.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in the trait `B` | LL | trait B { fn foo(&self); } | ^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | A::foo(t); | ~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | B::foo(t); | ~~~~~~~~~ diff --git a/tests/ui/methods/method-ambig-two-traits-from-impls.stderr b/tests/ui/methods/method-ambig-two-traits-from-impls.stderr index f69b5689239..31359143391 100644 --- a/tests/ui/methods/method-ambig-two-traits-from-impls.stderr +++ b/tests/ui/methods/method-ambig-two-traits-from-impls.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `B` for the type `AB` | LL | fn foo(self) {} | ^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | A::foo(AB {}); | ~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | B::foo(AB {}); | ~~~~~~~~~~~~~ diff --git a/tests/ui/methods/method-ambig-two-traits-with-default-method.stderr b/tests/ui/methods/method-ambig-two-traits-with-default-method.stderr index e84dff8bab7..df01966b3a2 100644 --- a/tests/ui/methods/method-ambig-two-traits-with-default-method.stderr +++ b/tests/ui/methods/method-ambig-two-traits-with-default-method.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `Bar` for the type `usize` | LL | trait Bar { fn method(&self) {} } | ^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | Foo::method(&1_usize); | ~~~~~~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | Bar::method(&1_usize); | ~~~~~~~~~~~~~~~~~~~~~ diff --git a/tests/ui/methods/method-call-err-msg.stderr b/tests/ui/methods/method-call-err-msg.stderr index 0f37e8f09a9..c340c2d32b3 100644 --- a/tests/ui/methods/method-call-err-msg.stderr +++ b/tests/ui/methods/method-call-err-msg.stderr @@ -7,7 +7,7 @@ LL | x.zero(0) | unexpected argument of type `{integer}` | help: remove the extra argument | -note: associated function defined here +note: method defined here --> $DIR/method-call-err-msg.rs:5:8 | LL | fn zero(self) -> Foo { self } @@ -19,7 +19,7 @@ error[E0061]: this method takes 1 argument but 0 arguments were supplied LL | .one() | ^^^-- an argument of type `isize` is missing | -note: associated function defined here +note: method defined here --> $DIR/method-call-err-msg.rs:6:8 | LL | fn one(self, _: isize) -> Foo { self } @@ -35,7 +35,7 @@ error[E0061]: this method takes 2 arguments but 1 argument was supplied LL | .two(0); | ^^^--- an argument of type `isize` is missing | -note: associated function defined here +note: method defined here --> $DIR/method-call-err-msg.rs:7:8 | LL | fn two(self, _: isize, _: isize) -> Foo { self } @@ -72,7 +72,7 @@ error[E0061]: this method takes 3 arguments but 0 arguments were supplied LL | y.three::<usize>(); | ^^^^^^^^^^^^^^-- three arguments of type `usize`, `usize`, and `usize` are missing | -note: associated function defined here +note: method defined here --> $DIR/method-call-err-msg.rs:8:8 | LL | fn three<T>(self, _: T, _: T, _: T) -> Foo { self } diff --git a/tests/ui/methods/method-call-lifetime-args-fail.rs b/tests/ui/methods/method-call-lifetime-args-fail.rs index 6bf55844da8..1f13de094bb 100644 --- a/tests/ui/methods/method-call-lifetime-args-fail.rs +++ b/tests/ui/methods/method-call-lifetime-args-fail.rs @@ -14,9 +14,9 @@ impl S { fn method_call() { S.early(); // OK S.early::<'static>(); - //~^ ERROR this associated function takes 2 lifetime arguments but 1 lifetime argument + //~^ ERROR method takes 2 lifetime arguments but 1 lifetime argument S.early::<'static, 'static, 'static>(); - //~^ ERROR this associated function takes 2 lifetime arguments but 3 lifetime arguments were supplied + //~^ ERROR method takes 2 lifetime arguments but 3 lifetime arguments were supplied let _: &u8 = S.life_and_type::<'static>(); S.life_and_type::<u8>(); S.life_and_type::<'static, u8>(); @@ -61,9 +61,9 @@ fn ufcs() { S::early(S); // OK S::early::<'static>(S); - //~^ ERROR this associated function takes 2 lifetime arguments but 1 lifetime argument + //~^ ERROR method takes 2 lifetime arguments but 1 lifetime argument S::early::<'static, 'static, 'static>(S); - //~^ ERROR this associated function takes 2 lifetime arguments but 3 lifetime arguments were supplied + //~^ ERROR method takes 2 lifetime arguments but 3 lifetime arguments were supplied let _: &u8 = S::life_and_type::<'static>(S); S::life_and_type::<u8>(S); S::life_and_type::<'static, u8>(S); diff --git a/tests/ui/methods/method-call-lifetime-args-fail.stderr b/tests/ui/methods/method-call-lifetime-args-fail.stderr index 249b48ab194..34526256f99 100644 --- a/tests/ui/methods/method-call-lifetime-args-fail.stderr +++ b/tests/ui/methods/method-call-lifetime-args-fail.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: method takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/method-call-lifetime-args-fail.rs:16:7 | LL | S.early::<'static>(); @@ -6,7 +6,7 @@ LL | S.early::<'static>(); | | | expected 2 lifetime arguments | -note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` +note: method defined here, with 2 lifetime parameters: `'a`, `'b` --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } @@ -16,7 +16,7 @@ help: add missing lifetime argument LL | S.early::<'static, 'static>(); | +++++++++ -error[E0107]: this associated function takes 2 lifetime arguments but 3 lifetime arguments were supplied +error[E0107]: method takes 2 lifetime arguments but 3 lifetime arguments were supplied --> $DIR/method-call-lifetime-args-fail.rs:18:7 | LL | S.early::<'static, 'static, 'static>(); @@ -24,7 +24,7 @@ LL | S.early::<'static, 'static, 'static>(); | | | expected 2 lifetime arguments | -note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` +note: method defined here, with 2 lifetime parameters: `'a`, `'b` --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } @@ -198,7 +198,7 @@ note: the late bound lifetime parameter is introduced here LL | fn late_unused_early<'a, 'b>(self) -> &'b u8 { loop {} } | ^^ -error[E0107]: this associated function takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: method takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/method-call-lifetime-args-fail.rs:63:8 | LL | S::early::<'static>(S); @@ -206,7 +206,7 @@ LL | S::early::<'static>(S); | | | expected 2 lifetime arguments | -note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` +note: method defined here, with 2 lifetime parameters: `'a`, `'b` --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } @@ -216,7 +216,7 @@ help: add missing lifetime argument LL | S::early::<'static, 'static>(S); | +++++++++ -error[E0107]: this associated function takes 2 lifetime arguments but 3 lifetime arguments were supplied +error[E0107]: method takes 2 lifetime arguments but 3 lifetime arguments were supplied --> $DIR/method-call-lifetime-args-fail.rs:65:8 | LL | S::early::<'static, 'static, 'static>(S); @@ -224,7 +224,7 @@ LL | S::early::<'static, 'static, 'static>(S); | | | expected 2 lifetime arguments | -note: associated function defined here, with 2 lifetime parameters: `'a`, `'b` +note: method defined here, with 2 lifetime parameters: `'a`, `'b` --> $DIR/method-call-lifetime-args-fail.rs:6:8 | LL | fn early<'a, 'b>(self) -> (&'a u8, &'b u8) { loop {} } diff --git a/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr b/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr index 82addab9479..4e83e4b77f1 100644 --- a/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr +++ b/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr @@ -44,15 +44,15 @@ note: candidate #3 is defined in the trait `FinalFoo` | LL | fn foo(&self) -> u8; | ^^^^^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | let z = X::foo(x); | ~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | let z = NuisanceFoo::foo(x); | ~~~~~~~~~~~~~~~~~~~ -help: disambiguate the associated function for candidate #3 +help: disambiguate the method for candidate #3 | LL | let z = FinalFoo::foo(x); | ~~~~~~~~~~~~~~~~ diff --git a/tests/ui/methods/method-self-arg-1.stderr b/tests/ui/methods/method-self-arg-1.stderr index 32ab8dced21..9241a8be58f 100644 --- a/tests/ui/methods/method-self-arg-1.stderr +++ b/tests/ui/methods/method-self-arg-1.stderr @@ -8,7 +8,7 @@ LL | Foo::bar(x); | | help: consider borrowing here: `&x` | arguments to this function are incorrect | -note: associated function defined here +note: method defined here --> $DIR/method-self-arg-1.rs:6:8 | LL | fn bar(&self) {} @@ -24,7 +24,7 @@ LL | Foo::bar(&42); | = note: expected reference `&Foo` found reference `&{integer}` -note: associated function defined here +note: method defined here --> $DIR/method-self-arg-1.rs:6:8 | LL | fn bar(&self) {} diff --git a/tests/ui/mir/field-projection-invariant.rs b/tests/ui/mir/field-projection-invariant.rs new file mode 100644 index 00000000000..b5d6add043c --- /dev/null +++ b/tests/ui/mir/field-projection-invariant.rs @@ -0,0 +1,24 @@ +// build-pass +struct Inv<'a>(&'a mut &'a ()); +enum Foo<T> { + Bar, + Var(T), +} +type Supertype = Foo<for<'a> fn(Inv<'a>, Inv<'a>)>; + +fn foo(x: Foo<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>) { + match x { + Supertype::Bar => {} + Supertype::Var(x) => {} + } +} + +fn foo_nested(x: Foo<Foo<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>>) { + match x { + Foo::Bar => {} + Foo::Var(Supertype::Bar) => {} + Foo::Var(Supertype::Var(x)) => {} + } +} + +fn main() {} diff --git a/tests/ui/mir/field-projection-mutating-context.rs b/tests/ui/mir/field-projection-mutating-context.rs new file mode 100644 index 00000000000..a1002c088dc --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context.rs @@ -0,0 +1,19 @@ +use std::sync::Mutex; + +static GLOBAL: Mutex<&'static str> = Mutex::new("global str"); + +struct Foo<T>(T); // `T` is covariant. + +fn foo() { + let mut x: Foo<for<'a> fn(&'a str)> = Foo(|_| ()); + let Foo(ref mut y): Foo<fn(&'static str)> = x; + //~^ ERROR mismatched types + *y = |s| *GLOBAL.lock().unwrap() = s; + let string = String::from("i am shortlived"); + (x.0)(&string); +} + +fn main() { + foo(); + println!("{}", GLOBAL.lock().unwrap()); +} diff --git a/tests/ui/mir/field-projection-mutating-context.stderr b/tests/ui/mir/field-projection-mutating-context.stderr new file mode 100644 index 00000000000..9b18b3427ad --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context.stderr @@ -0,0 +1,12 @@ +error[E0308]: mismatched types + --> $DIR/field-projection-mutating-context.rs:9:13 + | +LL | let Foo(ref mut y): Foo<fn(&'static str)> = x; + | ^^^^^^^^^ one type is more general than the other + | + = note: expected fn pointer `for<'a> fn(&'a str)` + found fn pointer `fn(&str)` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/mir/field-projection-mutating-context2.rs b/tests/ui/mir/field-projection-mutating-context2.rs new file mode 100644 index 00000000000..dd9c44a16d3 --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context2.rs @@ -0,0 +1,17 @@ +use std::sync::Mutex; + +static GLOBAL: Mutex<&'static str> = Mutex::new("global str"); + +struct Foo<T>(T); // `T` is covariant. + +fn foo<'a>(mut x: Foo<fn(&'a str)>, string: &'a str) { + let Foo(ref mut y): Foo<fn(&'static str)> = x; + //~^ ERROR lifetime may not live long enough + *y = |s| *GLOBAL.lock().unwrap() = s; + (x.0)(&string); +} + +fn main() { + foo(Foo(|_| ()), &String::from("i am shortlived")); + println!("{}", GLOBAL.lock().unwrap()); +} diff --git a/tests/ui/mir/field-projection-mutating-context2.stderr b/tests/ui/mir/field-projection-mutating-context2.stderr new file mode 100644 index 00000000000..a7b66fe10ce --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context2.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/field-projection-mutating-context2.rs:8:25 + | +LL | fn foo<'a>(mut x: Foo<fn(&'a str)>, string: &'a str) { + | -- lifetime `'a` defined here +LL | let Foo(ref mut y): Foo<fn(&'static str)> = x; + | ^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` + +error: aborting due to previous error + diff --git a/tests/ui/mir/field-ty-ascription-enums.rs b/tests/ui/mir/field-ty-ascription-enums.rs new file mode 100644 index 00000000000..179af617090 --- /dev/null +++ b/tests/ui/mir/field-ty-ascription-enums.rs @@ -0,0 +1,15 @@ +// build-pass + +enum Foo<T> { + Var(T), +} // `T` is covariant. + +fn foo<'b>(x: Foo<for<'a> fn(&'a ())>) { + let Foo::Var(x): Foo<fn(&'b ())> = x; +} + +fn foo_nested<'b>(x: Foo<Foo<for<'a> fn(&'a ())>>) { + let Foo::Var(Foo::Var(x)): Foo<Foo<fn(&'b ())>> = x; +} + +fn main() {} diff --git a/tests/ui/mir/field-ty-ascription.rs b/tests/ui/mir/field-ty-ascription.rs new file mode 100644 index 00000000000..178c7916bc5 --- /dev/null +++ b/tests/ui/mir/field-ty-ascription.rs @@ -0,0 +1,37 @@ +// build-pass + +struct Foo<T>(T); // `T` is covariant. + +struct Bar<T> { + x: T, +} // `T` is covariant. + +fn bar<'b>(x: Bar<for<'a> fn(&'a ())>) { + let Bar { x }: Bar<fn(&'b ())> = x; +} + +fn bar_nested<'b>(x: Bar<Bar<for<'a> fn(&'a ())>>) { + let Bar { x: Bar { x } }: Bar<Bar<fn(&'b ())>> = x; +} + +fn bar_foo_nested<'b>(x: Bar<Foo<for<'a> fn(&'a ())>>) { + let Bar { x: Foo ( x ) }: Bar<Foo<fn(&'b ())>> = x; +} + +fn foo<'b>(x: Foo<for<'a> fn(&'a ())>) { + let Foo(y): Foo<fn(&'b ())> = x; +} + +fn foo_nested<'b>(x: Foo<Foo<for<'a> fn(&'a ())>>) { + let Foo(Foo(y)): Foo<Foo<fn(&'b ())>> = x; +} + +fn tuple<'b>(x: (u32, for<'a> fn(&'a ()))) { + let (_, y): (u32, fn(&'b ())) = x; +} + +fn tuple_nested<'b>(x: (u32, (u32, for<'a> fn(&'a ())))) { + let (_, (_, y)): (u32, (u32, fn(&'b ()))) = x; +} + +fn main() {} diff --git a/tests/ui/mismatched_types/issue-47706.stderr b/tests/ui/mismatched_types/issue-47706.stderr index d9d408844d0..69d6ee5cbd5 100644 --- a/tests/ui/mismatched_types/issue-47706.stderr +++ b/tests/ui/mismatched_types/issue-47706.stderr @@ -27,7 +27,7 @@ note: required by a bound in `foo` --> $DIR/issue-47706.rs:22:8 | LL | fn foo<F>(f: F) - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | F: Fn(), | ^^^^ required by this bound in `foo` diff --git a/tests/ui/nll/outlives-suggestion-simple.stderr b/tests/ui/nll/outlives-suggestion-simple.stderr index a8368c494ed..bcffd575aed 100644 --- a/tests/ui/nll/outlives-suggestion-simple.stderr +++ b/tests/ui/nll/outlives-suggestion-simple.stderr @@ -73,7 +73,7 @@ LL | impl<'a> Bar<'a> { LL | pub fn get<'b>(&self) -> &'b usize { | -- lifetime `'b` defined here LL | self.x - | ^^^^^^ associated function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | ^^^^^^ method was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` | = help: consider adding the following bound: `'a: 'b` @@ -85,7 +85,7 @@ LL | impl<'a> Baz<'a> { LL | fn get<'b>(&'b self) -> &'a i32 { | -- lifetime `'b` defined here LL | self.x - | ^^^^^^ associated function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` + | ^^^^^^ method was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` | = help: consider adding the following bound: `'b: 'a` diff --git a/tests/ui/object-safety/object-safety-supertrait-mentions-GAT.stderr b/tests/ui/object-safety/object-safety-supertrait-mentions-GAT.stderr index f05b0cd6538..40429fe756f 100644 --- a/tests/ui/object-safety/object-safety-supertrait-mentions-GAT.stderr +++ b/tests/ui/object-safety/object-safety-supertrait-mentions-GAT.stderr @@ -1,5 +1,10 @@ error[E0311]: the parameter type `Self` may not live long enough | +note: the parameter type `Self` must be valid for the lifetime `'a` as defined here... + --> $DIR/object-safety-supertrait-mentions-GAT.rs:9:26 + | +LL | trait SuperTrait<T>: for<'a> GatTrait<Gat<'a> = T> { + | ^^ = help: consider adding an explicit lifetime bound `Self: 'a`... = note: ...so that the type `Self` will meet its required lifetime bounds... note: ...that is required by this bound diff --git a/tests/ui/panics/default-backtrace-ice.stderr b/tests/ui/panics/default-backtrace-ice.stderr index 7bf08bee922..4bd4780e25f 100644 --- a/tests/ui/panics/default-backtrace-ice.stderr +++ b/tests/ui/panics/default-backtrace-ice.stderr @@ -13,4 +13,5 @@ error: the compiler unexpectedly panicked. this is a bug. query stack during panic: +#0 [resolver_for_lowering] getting the resolver for lowering end of query stack diff --git a/tests/ui/parser/numeric-lifetime.rs b/tests/ui/parser/numeric-lifetime.rs index 2d82354c62c..a082a8a44df 100644 --- a/tests/ui/parser/numeric-lifetime.rs +++ b/tests/ui/parser/numeric-lifetime.rs @@ -1,6 +1,6 @@ struct S<'1> { s: &'1 usize } -//~^ ERROR lifetimes cannot start with a number -//~| ERROR lifetimes cannot start with a number +//~^ ERROR lifetimes or labels cannot start with a number +//~| ERROR lifetimes or labels cannot start with a number fn main() { // verify that the parse error doesn't stop type checking let x: usize = ""; diff --git a/tests/ui/parser/numeric-lifetime.stderr b/tests/ui/parser/numeric-lifetime.stderr index 7c1bcb72631..66e35dca923 100644 --- a/tests/ui/parser/numeric-lifetime.stderr +++ b/tests/ui/parser/numeric-lifetime.stderr @@ -6,13 +6,13 @@ LL | let x: usize = ""; | | | expected due to this -error: lifetimes cannot start with a number +error: lifetimes or labels cannot start with a number --> $DIR/numeric-lifetime.rs:1:10 | LL | struct S<'1> { s: &'1 usize } | ^^ -error: lifetimes cannot start with a number +error: lifetimes or labels cannot start with a number --> $DIR/numeric-lifetime.rs:1:20 | LL | struct S<'1> { s: &'1 usize } diff --git a/tests/ui/privacy/privacy1.rs b/tests/ui/privacy/privacy1.rs index 3c9fa983dfd..fcb2108ab5f 100644 --- a/tests/ui/privacy/privacy1.rs +++ b/tests/ui/privacy/privacy1.rs @@ -106,7 +106,7 @@ mod foo { //~^ ERROR: associated function `bar` is private ::bar::baz::A.foo2(); //~ ERROR: module `baz` is private ::bar::baz::A.bar2(); //~ ERROR: module `baz` is private - //~^ ERROR: associated function `bar2` is private + //~^ ERROR: method `bar2` is private let _: isize = ::bar::B::foo(); //~ ERROR: trait `B` is private diff --git a/tests/ui/privacy/privacy1.stderr b/tests/ui/privacy/privacy1.stderr index 70e6fcb7a07..6ebed8ee062 100644 --- a/tests/ui/privacy/privacy1.stderr +++ b/tests/ui/privacy/privacy1.stderr @@ -190,14 +190,14 @@ LL | fn bar() {} LL | ::bar::baz::A::bar(); | ^^^ private associated function -error[E0624]: associated function `bar2` is private +error[E0624]: method `bar2` is private --> $DIR/privacy1.rs:108:23 | LL | fn bar2(&self) {} - | -------------- private associated function defined here + | -------------- private method defined here ... LL | ::bar::baz::A.bar2(); - | ^^^^ private associated function + | ^^^^ private method error: aborting due to 18 previous errors diff --git a/tests/ui/privacy/private-impl-method.rs b/tests/ui/privacy/private-impl-method.rs index f7be6726c5e..b5587920f1c 100644 --- a/tests/ui/privacy/private-impl-method.rs +++ b/tests/ui/privacy/private-impl-method.rs @@ -17,5 +17,5 @@ fn f() { fn main() { let s = a::Foo { x: 1 }; s.bar(); - s.foo(); //~ ERROR associated function `foo` is private + s.foo(); //~ ERROR method `foo` is private } diff --git a/tests/ui/privacy/private-impl-method.stderr b/tests/ui/privacy/private-impl-method.stderr index bb54dce7e7e..18e4531d112 100644 --- a/tests/ui/privacy/private-impl-method.stderr +++ b/tests/ui/privacy/private-impl-method.stderr @@ -1,11 +1,11 @@ -error[E0624]: associated function `foo` is private +error[E0624]: method `foo` is private --> $DIR/private-impl-method.rs:20:7 | LL | fn foo(&self) {} - | ------------- private associated function defined here + | ------------- private method defined here ... LL | s.foo(); - | ^^^ private associated function + | ^^^ private method error: aborting due to previous error diff --git a/tests/ui/privacy/private-method-cross-crate.rs b/tests/ui/privacy/private-method-cross-crate.rs index ab3bbdfe496..4da44e0682b 100644 --- a/tests/ui/privacy/private-method-cross-crate.rs +++ b/tests/ui/privacy/private-method-cross-crate.rs @@ -4,5 +4,5 @@ use cci_class_5::kitties::cat; fn main() { let nyan : cat = cat(52, 99); - nyan.nap(); //~ ERROR associated function `nap` is private + nyan.nap(); //~ ERROR method `nap` is private } diff --git a/tests/ui/privacy/private-method-cross-crate.stderr b/tests/ui/privacy/private-method-cross-crate.stderr index 93f6a7f2f61..e644440c827 100644 --- a/tests/ui/privacy/private-method-cross-crate.stderr +++ b/tests/ui/privacy/private-method-cross-crate.stderr @@ -1,13 +1,13 @@ -error[E0624]: associated function `nap` is private +error[E0624]: method `nap` is private --> $DIR/private-method-cross-crate.rs:7:8 | LL | nyan.nap(); - | ^^^ private associated function + | ^^^ private method | ::: $DIR/auxiliary/cci_class_5.rs:8:9 | LL | fn nap(&self) {} - | ------------- private associated function defined here + | ------------- private method defined here error: aborting due to previous error diff --git a/tests/ui/privacy/private-method-inherited.rs b/tests/ui/privacy/private-method-inherited.rs index 2f6454288ae..bc27027e886 100644 --- a/tests/ui/privacy/private-method-inherited.rs +++ b/tests/ui/privacy/private-method-inherited.rs @@ -10,5 +10,5 @@ mod a { fn main() { let x = a::Foo; - x.f(); //~ ERROR associated function `f` is private + x.f(); //~ ERROR method `f` is private } diff --git a/tests/ui/privacy/private-method-inherited.stderr b/tests/ui/privacy/private-method-inherited.stderr index 011a7fee478..0104a1b27e4 100644 --- a/tests/ui/privacy/private-method-inherited.stderr +++ b/tests/ui/privacy/private-method-inherited.stderr @@ -1,11 +1,11 @@ -error[E0624]: associated function `f` is private +error[E0624]: method `f` is private --> $DIR/private-method-inherited.rs:13:7 | LL | fn f(self) {} - | ---------- private associated function defined here + | ---------- private method defined here ... LL | x.f(); - | ^ private associated function + | ^ private method error: aborting due to previous error diff --git a/tests/ui/privacy/private-method.rs b/tests/ui/privacy/private-method.rs index 76a642cde1a..a9bea520e75 100644 --- a/tests/ui/privacy/private-method.rs +++ b/tests/ui/privacy/private-method.rs @@ -19,5 +19,5 @@ mod kitties { fn main() { let nyan : kitties::Cat = kitties::cat(52, 99); - nyan.nap(); //~ ERROR associated function `nap` is private + nyan.nap(); //~ ERROR method `nap` is private } diff --git a/tests/ui/privacy/private-method.stderr b/tests/ui/privacy/private-method.stderr index 17c7179dc36..42fec762265 100644 --- a/tests/ui/privacy/private-method.stderr +++ b/tests/ui/privacy/private-method.stderr @@ -1,11 +1,11 @@ -error[E0624]: associated function `nap` is private +error[E0624]: method `nap` is private --> $DIR/private-method.rs:22:8 | LL | fn nap(&self) {} - | ------------- private associated function defined here + | ------------- private method defined here ... LL | nyan.nap(); - | ^^^ private associated function + | ^^^ private method error: aborting due to previous error diff --git a/tests/ui/privacy/restricted/test.stderr b/tests/ui/privacy/restricted/test.stderr index 1acd221b42c..76f19525df5 100644 --- a/tests/ui/privacy/restricted/test.stderr +++ b/tests/ui/privacy/restricted/test.stderr @@ -54,14 +54,14 @@ error[E0616]: field `x` of struct `S` is private LL | S::default().x; | ^ private field -error[E0624]: associated function `f` is private +error[E0624]: method `f` is private --> $DIR/test.rs:32:18 | LL | pub(super) fn f(&self) {} - | ---------------------- private associated function defined here + | ---------------------- private method defined here ... LL | S::default().f(); - | ^ private associated function + | ^ private method error[E0624]: associated function `g` is private --> $DIR/test.rs:33:8 @@ -84,27 +84,27 @@ error[E0616]: field `z` of struct `Universe` is private LL | let _ = u.z; | ^ private field -error[E0624]: associated function `g` is private +error[E0624]: method `g` is private --> $DIR/test.rs:45:7 | LL | u.g(); - | ^ private associated function + | ^ private method | ::: $DIR/auxiliary/pub_restricted.rs:12:5 | LL | pub(crate) fn g(&self) {} - | ---------------------- private associated function defined here + | ---------------------- private method defined here -error[E0624]: associated function `h` is private +error[E0624]: method `h` is private --> $DIR/test.rs:46:7 | LL | u.h(); - | ^ private associated function + | ^ private method | ::: $DIR/auxiliary/pub_restricted.rs:13:5 | LL | pub(crate) fn h(&self) {} - | ---------------------- private associated function defined here + | ---------------------- private method defined here error: aborting due to 12 previous errors diff --git a/tests/ui/recursion_limit/issue-105700.rs b/tests/ui/recursion_limit/issue-105700.rs new file mode 100644 index 00000000000..e1fee46313d --- /dev/null +++ b/tests/ui/recursion_limit/issue-105700.rs @@ -0,0 +1,9 @@ +#![recursion_limit="4"] +#![invalid_attribute] +#![invalid_attribute] +#![invalid_attribute] +#![invalid_attribute] +#![invalid_attribute] +//~^ERROR recursion limit reached while expanding + +fn main() {} diff --git a/tests/ui/recursion_limit/issue-105700.stderr b/tests/ui/recursion_limit/issue-105700.stderr new file mode 100644 index 00000000000..9b1114e9ce6 --- /dev/null +++ b/tests/ui/recursion_limit/issue-105700.stderr @@ -0,0 +1,10 @@ +error: recursion limit reached while expanding `#[invalid_attribute]` + --> $DIR/issue-105700.rs:6:1 + | +LL | #![invalid_attribute] + | ^^^^^^^^^^^^^^^^^^^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "8"]` attribute to your crate (`issue_105700`) + +error: aborting due to previous error + diff --git a/tests/ui/regions/regions-early-bound-error-method.stderr b/tests/ui/regions/regions-early-bound-error-method.stderr index 7f10c051f29..a7746d8981e 100644 --- a/tests/ui/regions/regions-early-bound-error-method.stderr +++ b/tests/ui/regions/regions-early-bound-error-method.stderr @@ -6,7 +6,7 @@ LL | impl<'a> Box<'a> { LL | fn or<'b,G:GetRef<'b>>(&self, g2: G) -> &'a isize { | -- lifetime `'b` defined here LL | g2.get() - | ^^^^^^^^ associated function was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` + | ^^^^^^^^ method was supposed to return data with lifetime `'a` but it is returning data with lifetime `'b` | = help: consider adding the following bound: `'b: 'a` diff --git a/tests/ui/regions/regions-free-region-ordering-incorrect.stderr b/tests/ui/regions/regions-free-region-ordering-incorrect.stderr index f7c75033c04..d0ceaec3b67 100644 --- a/tests/ui/regions/regions-free-region-ordering-incorrect.stderr +++ b/tests/ui/regions/regions-free-region-ordering-incorrect.stderr @@ -9,7 +9,7 @@ LL | / match self.next { LL | | Some(ref next) => next.get(), LL | | None => &self.val LL | | } - | |_________^ associated function was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` + | |_________^ method was supposed to return data with lifetime `'b` but it is returning data with lifetime `'a` | = help: consider adding the following bound: `'a: 'b` diff --git a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs index 7c2e1aeeea6..46462c432a8 100644 --- a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs +++ b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.rs @@ -8,6 +8,8 @@ // // 'a : 'b +#![warn(unused_lifetimes)] + fn test<'a,'b>(x: &'a i32) -> &'b i32 where 'a: 'static //~ WARN unnecessary lifetime parameter `'a` { diff --git a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr index 70ed418d5cb..9f03a6553ba 100644 --- a/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr +++ b/tests/ui/regions/regions-free-region-outlives-static-outlives-free-region.stderr @@ -1,10 +1,15 @@ warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-free-region-outlives-static-outlives-free-region.rs:12:11 + --> $DIR/regions-free-region-outlives-static-outlives-free-region.rs:14:11 | LL | where 'a: 'static | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` +note: the lint level is defined here + --> $DIR/regions-free-region-outlives-static-outlives-free-region.rs:11:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ warning: 1 warning emitted diff --git a/tests/ui/regions/regions-static-bound-rpass.rs b/tests/ui/regions/regions-static-bound-rpass.rs index 25232b455b6..e2ebb394d0a 100644 --- a/tests/ui/regions/regions-static-bound-rpass.rs +++ b/tests/ui/regions/regions-static-bound-rpass.rs @@ -1,5 +1,7 @@ // run-pass +#![warn(unused_lifetimes)] + fn invariant_id<'a,'b>(t: &'b mut &'static ()) -> &'b mut &'a () where 'a: 'static { t } //~^ WARN unnecessary lifetime parameter `'a` diff --git a/tests/ui/regions/regions-static-bound-rpass.stderr b/tests/ui/regions/regions-static-bound-rpass.stderr index 9355a409d50..f0f3a4c5261 100644 --- a/tests/ui/regions/regions-static-bound-rpass.stderr +++ b/tests/ui/regions/regions-static-bound-rpass.stderr @@ -1,13 +1,18 @@ warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-static-bound-rpass.rs:4:11 + --> $DIR/regions-static-bound-rpass.rs:6:11 | LL | where 'a: 'static { t } | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` +note: the lint level is defined here + --> $DIR/regions-static-bound-rpass.rs:3:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-static-bound-rpass.rs:8:11 + --> $DIR/regions-static-bound-rpass.rs:10:11 | LL | where 'a: 'static { t } | ^^ @@ -15,7 +20,7 @@ LL | where 'a: 'static { t } = help: you can use the `'static` lifetime directly, in place of `'a` warning: unnecessary lifetime parameter `'b` - --> $DIR/regions-static-bound-rpass.rs:12:19 + --> $DIR/regions-static-bound-rpass.rs:14:19 | LL | where 'a: 'b, 'b: 'static { t } | ^^ diff --git a/tests/ui/regions/regions-static-bound.rs b/tests/ui/regions/regions-static-bound.rs index 4d2455470e2..e7aa8795f01 100644 --- a/tests/ui/regions/regions-static-bound.rs +++ b/tests/ui/regions/regions-static-bound.rs @@ -1,6 +1,8 @@ -fn static_id<'a,'b>(t: &'a ()) -> &'static () - where 'a: 'static { t } -//~^ WARN unnecessary lifetime parameter `'a` +#![warn(unused_lifetimes)] + +fn static_id<'a,'b>(t: &'a ()) -> &'static () where 'a: 'static { t } +//~^ WARN lifetime parameter `'b` never used +//~| WARN unnecessary lifetime parameter `'a` fn static_id_indirect<'a,'b>(t: &'a ()) -> &'static () where 'a: 'b, 'b: 'static { t } diff --git a/tests/ui/regions/regions-static-bound.stderr b/tests/ui/regions/regions-static-bound.stderr index 2886ec3ead5..b314e9fe85d 100644 --- a/tests/ui/regions/regions-static-bound.stderr +++ b/tests/ui/regions/regions-static-bound.stderr @@ -1,13 +1,27 @@ +warning: lifetime parameter `'b` never used + --> $DIR/regions-static-bound.rs:3:17 + | +LL | fn static_id<'a,'b>(t: &'a ()) -> &'static () where 'a: 'static { t } + | -^^ + | | + | help: elide the unused lifetime + | +note: the lint level is defined here + --> $DIR/regions-static-bound.rs:1:9 + | +LL | #![warn(unused_lifetimes)] + | ^^^^^^^^^^^^^^^^ + warning: unnecessary lifetime parameter `'a` - --> $DIR/regions-static-bound.rs:2:11 + --> $DIR/regions-static-bound.rs:3:53 | -LL | where 'a: 'static { t } - | ^^ +LL | fn static_id<'a,'b>(t: &'a ()) -> &'static () where 'a: 'static { t } + | ^^ | = help: you can use the `'static` lifetime directly, in place of `'a` warning: unnecessary lifetime parameter `'b` - --> $DIR/regions-static-bound.rs:6:19 + --> $DIR/regions-static-bound.rs:8:19 | LL | where 'a: 'b, 'b: 'static { t } | ^^ @@ -15,7 +29,7 @@ LL | where 'a: 'b, 'b: 'static { t } = help: you can use the `'static` lifetime directly, in place of `'b` error: lifetime may not live long enough - --> $DIR/regions-static-bound.rs:10:5 + --> $DIR/regions-static-bound.rs:12:5 | LL | fn static_id_wrong_way<'a>(t: &'a ()) -> &'static () where 'static: 'a { | -- lifetime `'a` defined here @@ -23,7 +37,7 @@ LL | t | ^ returning this value requires that `'a` must outlive `'static` error[E0521]: borrowed data escapes outside of function - --> $DIR/regions-static-bound.rs:15:5 + --> $DIR/regions-static-bound.rs:17:5 | LL | fn error(u: &(), v: &()) { | - - let's call the lifetime of this reference `'1` @@ -36,7 +50,7 @@ LL | static_id(&u); | argument requires that `'1` must outlive `'static` error[E0521]: borrowed data escapes outside of function - --> $DIR/regions-static-bound.rs:17:5 + --> $DIR/regions-static-bound.rs:19:5 | LL | fn error(u: &(), v: &()) { | - - let's call the lifetime of this reference `'2` @@ -49,6 +63,6 @@ LL | static_id_indirect(&v); | `v` escapes the function body here | argument requires that `'2` must outlive `'static` -error: aborting due to 3 previous errors; 2 warnings emitted +error: aborting due to 3 previous errors; 3 warnings emitted For more information about this error, try `rustc --explain E0521`. diff --git a/tests/ui/regions/resolve-re-error-ice.rs b/tests/ui/regions/resolve-re-error-ice.rs new file mode 100644 index 00000000000..f37b27a82b3 --- /dev/null +++ b/tests/ui/regions/resolve-re-error-ice.rs @@ -0,0 +1,22 @@ +// check-pass + +// Allow this for now, can remove this UI test when this becomes a hard error. +#![allow(implied_bounds_entailment)] + +use std::collections::hash_map::{Keys, HashMap}; +use std::marker::PhantomData; + +trait MapAssertion<'a, K, V, R> { + fn key_set(&self) -> Subject<Keys<K, V>, (), R>; +} + +struct Subject<'a, T, V, R>(PhantomData<(&'a T, V, R)>); + +impl<'a, K, V, R> MapAssertion<'a, K, V, R> for Subject<'a, HashMap<K, V>, (), R> +{ + fn key_set(&self) -> Subject<'a, Keys<K, V>, (), R> { + todo!() + } +} + +fn main() {} diff --git a/tests/ui/regions/resolve-re-error-ice.stderr b/tests/ui/regions/resolve-re-error-ice.stderr new file mode 100644 index 00000000000..e7003e1c32f --- /dev/null +++ b/tests/ui/regions/resolve-re-error-ice.stderr @@ -0,0 +1,15 @@ +Future incompatibility report: Future breakage diagnostic: +warning: impl method assumes more implied bounds than the corresponding trait method + --> $DIR/resolve-re-error-ice.rs:17:16 + | +LL | fn key_set(&self) -> Subject<'a, Keys<K, V>, (), R> { + | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace this type to make the impl signature compatible: `Subject<'_, std::collections::hash_map::Keys<'_, K, V>, (), R>` + | + = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! + = note: for more information, see issue #105572 <https://github.com/rust-lang/rust/issues/105572> +note: the lint level is defined here + --> $DIR/resolve-re-error-ice.rs:4:10 + | +LL | #![allow(implied_bounds_entailment)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + diff --git a/tests/ui/repr/16-bit-repr-c-enum.rs b/tests/ui/repr/16-bit-repr-c-enum.rs new file mode 100644 index 00000000000..2acfde4be46 --- /dev/null +++ b/tests/ui/repr/16-bit-repr-c-enum.rs @@ -0,0 +1,52 @@ +// build-pass +// revisions: avr msp430 +// +// [avr] needs-llvm-components: avr +// [avr] compile-flags: --target=avr-unknown-gnu-atmega328 --crate-type=rlib +// [msp430] needs-llvm-components: msp430 +// [msp430] compile-flags: --target=msp430-none-elf --crate-type=rlib +#![feature(no_core, lang_items, intrinsics, staged_api)] +#![no_core] +#![crate_type = "lib"] +#![stable(feature = "", since = "")] +#![allow(dead_code)] + +// Test that the repr(C) attribute doesn't break compilation +// Previous bad assumption was that 32-bit enum default width is fine on msp430, avr +// But the width of the C int on these platforms is 16 bits, and C enums <= C int range +// so we want no more than that, usually. This resulted in errors like +// "layout decided on a larger discriminant type (I32) than typeck (I16)" +#[repr(C)] +enum Foo { + Bar, +} + +extern "rust-intrinsic" { + #[stable(feature = "", since = "")] + #[rustc_const_stable(feature = "", since = "")] + #[rustc_safe_intrinsic] + fn size_of<T>() -> usize; +} + +#[lang="sized"] +trait Sized {} +#[lang="copy"] +trait Copy {} + +const EXPECTED: usize = 2; +const ACTUAL: usize = size_of::<Foo>(); +// Validate that the size is indeed 16 bits, to match this C static_assert: +/** +```c +#include <assert.h> +enum foo { + BAR +}; +int main(void) +{ + /* passes on msp430-elf-gcc */ + static_assert(sizeof(enum foo) == 2); +} +``` +*/ +const _: [(); EXPECTED] = [(); ACTUAL]; diff --git a/tests/ui/rfc-2632-const-trait-impl/do-not-const-check-override.rs b/tests/ui/rfc-2632-const-trait-impl/do-not-const-check-override.rs new file mode 100644 index 00000000000..730e268c091 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/do-not-const-check-override.rs @@ -0,0 +1,19 @@ +// check-pass +#![feature(const_trait_impl, rustc_attrs)] + +#[const_trait] +trait Foo { + #[rustc_do_not_const_check] + fn into_iter(&self) { println!("FEAR ME!") } +} + + +impl const Foo for () { + fn into_iter(&self) { + // ^_^ + } +} + +const _: () = Foo::into_iter(&()); + +fn main() {} diff --git a/tests/ui/rfc-2632-const-trait-impl/do-not-const-check.rs b/tests/ui/rfc-2632-const-trait-impl/do-not-const-check.rs new file mode 100644 index 00000000000..3c39c53de5f --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/do-not-const-check.rs @@ -0,0 +1,18 @@ +// check-pass +#![feature(const_trait_impl, rustc_attrs)] + +#[const_trait] +trait IntoIter { + fn into_iter(self); +} + +#[const_trait] +trait Hmm: Sized { + #[rustc_do_not_const_check] + fn chain<U>(self, other: U) where U: IntoIter, + { + other.into_iter() + } +} + +fn main() {} diff --git a/tests/ui/sanitize/cfg-kasan.rs b/tests/ui/sanitize/cfg-kasan.rs new file mode 100644 index 00000000000..d721011f3ee --- /dev/null +++ b/tests/ui/sanitize/cfg-kasan.rs @@ -0,0 +1,28 @@ +// Verifies that when compiling with -Zsanitizer=kernel-address, +// the `#[cfg(sanitize = "address")]` attribute is configured. + +// check-pass +// compile-flags: -Zsanitizer=kernel-address --cfg kernel_address +// revisions: aarch64 riscv64imac riscv64gc x86_64 +//[aarch64] compile-flags: --target aarch64-unknown-none +//[aarch64] needs-llvm-components: aarch64 +//[riscv64imac] compile-flags: --target riscv64imac-unknown-none-elf +//[riscv64imac] needs-llvm-components: riscv +//[riscv64imac] min-llvm-version: 16 +//[riscv64gc] compile-flags: --target riscv64gc-unknown-none-elf +//[riscv64gc] needs-llvm-components: riscv +//[riscv64gc] min-llvm-version: 16 +//[x86_64] compile-flags: --target x86_64-unknown-none +//[x86_64] needs-llvm-components: x86 + +#![crate_type = "rlib"] +#![feature(cfg_sanitize, no_core, lang_items)] +#![no_core] + +#[lang = "sized"] +trait Sized {} + +const _: fn() -> () = main; + +#[cfg(all(sanitize = "address", kernel_address))] +fn main() {} diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr index 6180e1e0f2d..0b4c0a7fece 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch-async.stderr @@ -2,7 +2,7 @@ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:8:52 | LL | async fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } - | - - ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | - - ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | | | | | let's call the lifetime of this reference `'1` | let's call the lifetime of this reference `'2` @@ -16,7 +16,7 @@ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:11:75 | LL | async fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } - | - - ^^^^^^^^^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | - - ^^^^^^^^^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | | | | | let's call the lifetime of this reference `'1` | let's call the lifetime of this reference `'2` @@ -30,7 +30,7 @@ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch-async.rs:17:64 | LL | async fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } - | -- - ^^^ associated function was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` + | -- - ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | | | | | let's call the lifetime of this reference `'1` | lifetime `'a` defined here diff --git a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr index fccee5d4363..209dae9c1b3 100644 --- a/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr +++ b/tests/ui/self/arbitrary_self_types_pin_lifetime_mismatch.stderr @@ -2,7 +2,7 @@ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:6:46 | LL | fn a(self: Pin<&Foo>, f: &Foo) -> &Foo { f } - | - - ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | - - ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | | | | | let's call the lifetime of this reference `'1` | let's call the lifetime of this reference `'2` @@ -16,7 +16,7 @@ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:9:69 | LL | fn c(self: Pin<&Self>, f: &Foo, g: &Foo) -> (Pin<&Foo>, &Foo) { (self, f) } - | - - ^^^^^^^^^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | - - ^^^^^^^^^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | | | | | let's call the lifetime of this reference `'1` | let's call the lifetime of this reference `'2` @@ -30,7 +30,7 @@ error: lifetime may not live long enough --> $DIR/arbitrary_self_types_pin_lifetime_mismatch.rs:15:58 | LL | fn bar<'a>(self: Alias<&Self>, arg: &'a ()) -> &() { arg } - | -- ---- has type `Pin<&'1 Foo>` ^^^ associated function was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` + | -- ---- has type `Pin<&'1 Foo>` ^^^ method was supposed to return data with lifetime `'1` but it is returning data with lifetime `'a` | | | lifetime `'a` defined here diff --git a/tests/ui/self/elision/lt-ref-self-async.stderr b/tests/ui/self/elision/lt-ref-self-async.stderr index 787afd4dc9d..29d60ed6635 100644 --- a/tests/ui/self/elision/lt-ref-self-async.stderr +++ b/tests/ui/self/elision/lt-ref-self-async.stderr @@ -6,7 +6,7 @@ LL | async fn ref_self(&self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | async fn ref_Self(self: &Self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -81,7 +81,7 @@ LL | async fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/lt-ref-self.stderr b/tests/ui/self/elision/lt-ref-self.stderr index 49af638e4c6..216737a2c73 100644 --- a/tests/ui/self/elision/lt-ref-self.stderr +++ b/tests/ui/self/elision/lt-ref-self.stderr @@ -6,7 +6,7 @@ LL | fn ref_self(&self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | fn ref_Self(self: &Self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -81,7 +81,7 @@ LL | fn box_pin_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-mut-self-async.stderr b/tests/ui/self/elision/ref-mut-self-async.stderr index dff50aee918..62543ba5339 100644 --- a/tests/ui/self/elision/ref-mut-self-async.stderr +++ b/tests/ui/self/elision/ref-mut-self-async.stderr @@ -6,7 +6,7 @@ LL | async fn ref_self(&mut self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | async fn ref_Self(self: &mut Self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | async fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | async fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | async fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -81,7 +81,7 @@ LL | async fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-mut-self.stderr b/tests/ui/self/elision/ref-mut-self.stderr index ccf1830167c..12b64a3f6dc 100644 --- a/tests/ui/self/elision/ref-mut-self.stderr +++ b/tests/ui/self/elision/ref-mut-self.stderr @@ -6,7 +6,7 @@ LL | fn ref_self(&mut self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | fn ref_Self(self: &mut Self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | fn box_ref_Self(self: Box<&mut Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | fn pin_ref_Self(self: Pin<&mut Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | fn box_box_ref_Self(self: Box<Box<&mut Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -81,7 +81,7 @@ LL | fn box_pin_ref_Self(self: Box<Pin<&mut Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-mut-struct-async.stderr b/tests/ui/self/elision/ref-mut-struct-async.stderr index 5b7ad026f9d..f8fb2e4a138 100644 --- a/tests/ui/self/elision/ref-mut-struct-async.stderr +++ b/tests/ui/self/elision/ref-mut-struct-async.stderr @@ -6,7 +6,7 @@ LL | async fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | async fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | async fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | async fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | async fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-mut-struct.stderr b/tests/ui/self/elision/ref-mut-struct.stderr index b9c71e8433c..cde16ce8ba4 100644 --- a/tests/ui/self/elision/ref-mut-struct.stderr +++ b/tests/ui/self/elision/ref-mut-struct.stderr @@ -6,7 +6,7 @@ LL | fn ref_Struct(self: &mut Struct, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | fn box_ref_Struct(self: Box<&mut Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | fn pin_ref_Struct(self: Pin<&mut Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | fn box_box_ref_Struct(self: Box<Box<&mut Struct>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | fn box_pin_ref_Struct(self: Box<Pin<&mut Struct>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-self-async.stderr b/tests/ui/self/elision/ref-self-async.stderr index 26ef9779be2..010d281b002 100644 --- a/tests/ui/self/elision/ref-self-async.stderr +++ b/tests/ui/self/elision/ref-self-async.stderr @@ -6,7 +6,7 @@ LL | async fn ref_self(&self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | async fn ref_Self(self: &Self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | async fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | async fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | async fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -81,7 +81,7 @@ LL | async fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -96,7 +96,7 @@ LL | async fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-self.stderr b/tests/ui/self/elision/ref-self.stderr index 32448f3a677..35693257c99 100644 --- a/tests/ui/self/elision/ref-self.stderr +++ b/tests/ui/self/elision/ref-self.stderr @@ -6,7 +6,7 @@ LL | fn ref_self(&self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | fn ref_Self(self: &Self, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | fn box_ref_Self(self: Box<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | fn pin_ref_Self(self: Pin<&Self>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | fn box_box_ref_Self(self: Box<Box<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -81,7 +81,7 @@ LL | fn box_pin_ref_Self(self: Box<Pin<&Self>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -96,7 +96,7 @@ LL | fn wrap_ref_Self_Self(self: Wrap<&Self, Self>, f: &u8) -> &u8 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-struct-async.stderr b/tests/ui/self/elision/ref-struct-async.stderr index edb5c54ab00..c9376d58f90 100644 --- a/tests/ui/self/elision/ref-struct-async.stderr +++ b/tests/ui/self/elision/ref-struct-async.stderr @@ -6,7 +6,7 @@ LL | async fn ref_Struct(self: &Struct, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | async fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | async fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | async fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | async fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/self/elision/ref-struct.stderr b/tests/ui/self/elision/ref-struct.stderr index 4492ed4aafc..a3d3cebeba9 100644 --- a/tests/ui/self/elision/ref-struct.stderr +++ b/tests/ui/self/elision/ref-struct.stderr @@ -6,7 +6,7 @@ LL | fn ref_Struct(self: &Struct, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -21,7 +21,7 @@ LL | fn box_ref_Struct(self: Box<&Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -36,7 +36,7 @@ LL | fn pin_ref_Struct(self: Pin<&Struct>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -51,7 +51,7 @@ LL | fn box_box_ref_Struct(self: Box<Box<&Struct>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | @@ -66,7 +66,7 @@ LL | fn box_pin_Struct(self: Box<Pin<&Struct>>, f: &u32) -> &u32 { | | | let's call the lifetime of this reference `'2` LL | f - | ^ associated function was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` + | ^ method was supposed to return data with lifetime `'2` but it is returning data with lifetime `'1` | help: consider introducing a named lifetime parameter and update trait if needed | diff --git a/tests/ui/seq-args.rs b/tests/ui/seq-args.rs index a5ebeecd311..627dfcc3198 100644 --- a/tests/ui/seq-args.rs +++ b/tests/ui/seq-args.rs @@ -2,12 +2,12 @@ fn main() { trait Seq { } impl<T> Seq<T> for Vec<T> { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument /* ... */ } impl Seq<bool> for u32 { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument /* Treat the integer as a sequence of bits */ } } diff --git a/tests/ui/seq-args.stderr b/tests/ui/seq-args.stderr index c404d95748b..a5b0f8e98dc 100644 --- a/tests/ui/seq-args.stderr +++ b/tests/ui/seq-args.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/seq-args.rs:4:13 | LL | impl<T> Seq<T> for Vec<T> { @@ -12,7 +12,7 @@ note: trait defined here, with 0 generic parameters LL | trait Seq { } | ^^^ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/seq-args.rs:9:10 | LL | impl Seq<bool> for u32 { diff --git a/tests/ui/span/issue-37767.stderr b/tests/ui/span/issue-37767.stderr index f7732847a28..b612fdf16fc 100644 --- a/tests/ui/span/issue-37767.stderr +++ b/tests/ui/span/issue-37767.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in the trait `B` | LL | fn foo(&mut self) {} | ^^^^^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | A::foo(&a) | ~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | B::foo(&a) | ~~~~~~~~~~ @@ -39,11 +39,11 @@ note: candidate #2 is defined in the trait `D` | LL | fn foo(&self) {} | ^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | C::foo(&a) | ~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | D::foo(&a) | ~~~~~~~~~~ @@ -64,11 +64,11 @@ note: candidate #2 is defined in the trait `F` | LL | fn foo(self) {} | ^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | E::foo(a) | ~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | F::foo(a) | ~~~~~~~~~ diff --git a/tests/ui/span/issue-42234-unknown-receiver-type.full.stderr b/tests/ui/span/issue-42234-unknown-receiver-type.full.stderr index 2b178990850..e01e1edab5a 100644 --- a/tests/ui/span/issue-42234-unknown-receiver-type.full.stderr +++ b/tests/ui/span/issue-42234-unknown-receiver-type.full.stderr @@ -15,7 +15,7 @@ error[E0282]: type annotations needed --> $DIR/issue-42234-unknown-receiver-type.rs:15:10 | LL | .sum::<_>() - | ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | ^^^ cannot infer type of the type parameter `S` declared on the method `sum` | help: consider specifying the generic argument | diff --git a/tests/ui/span/issue-42234-unknown-receiver-type.generic_arg.stderr b/tests/ui/span/issue-42234-unknown-receiver-type.generic_arg.stderr index d93d54e878b..a4b65256574 100644 --- a/tests/ui/span/issue-42234-unknown-receiver-type.generic_arg.stderr +++ b/tests/ui/span/issue-42234-unknown-receiver-type.generic_arg.stderr @@ -15,7 +15,7 @@ error[E0282]: type annotations needed --> $DIR/issue-42234-unknown-receiver-type.rs:15:10 | LL | .sum::<_>() - | ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | ^^^ cannot infer type of the type parameter `S` declared on the method `sum` | help: consider specifying the generic argument | diff --git a/tests/ui/span/missing-unit-argument.stderr b/tests/ui/span/missing-unit-argument.stderr index ef4d732b51d..ff89f775334 100644 --- a/tests/ui/span/missing-unit-argument.stderr +++ b/tests/ui/span/missing-unit-argument.stderr @@ -65,7 +65,7 @@ error[E0061]: this method takes 1 argument but 0 arguments were supplied LL | S.baz(); | ^^^-- an argument of type `()` is missing | -note: associated function defined here +note: method defined here --> $DIR/missing-unit-argument.rs:6:8 | LL | fn baz(self, (): ()) { } @@ -81,7 +81,7 @@ error[E0061]: this method takes 1 argument but 0 arguments were supplied LL | S.generic::<()>(); | ^^^^^^^^^^^^^-- an argument of type `()` is missing | -note: associated function defined here +note: method defined here --> $DIR/missing-unit-argument.rs:7:8 | LL | fn generic<T>(self, _: T) { } diff --git a/tests/ui/span/type-annotations-needed-expr.stderr b/tests/ui/span/type-annotations-needed-expr.stderr index 9dff6c64db4..65a90318a3c 100644 --- a/tests/ui/span/type-annotations-needed-expr.stderr +++ b/tests/ui/span/type-annotations-needed-expr.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/type-annotations-needed-expr.rs:2:39 | LL | let _ = (vec![1,2,3]).into_iter().sum() as f64; - | ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | ^^^ cannot infer type of the type parameter `S` declared on the method `sum` | help: consider specifying the generic argument | diff --git a/tests/ui/static/static-lifetime-bound.rs b/tests/ui/static/static-lifetime-bound.rs index b5da91ec3b6..847fe87b2ea 100644 --- a/tests/ui/static/static-lifetime-bound.rs +++ b/tests/ui/static/static-lifetime-bound.rs @@ -1,4 +1,4 @@ -fn f<'a: 'static>(_: &'a i32) {} //~WARN unnecessary lifetime parameter `'a` +fn f<'a: 'static>(_: &'a i32) {} fn main() { let x = 0; diff --git a/tests/ui/static/static-lifetime-bound.stderr b/tests/ui/static/static-lifetime-bound.stderr index e22411b13b7..19e55a6582e 100644 --- a/tests/ui/static/static-lifetime-bound.stderr +++ b/tests/ui/static/static-lifetime-bound.stderr @@ -1,11 +1,3 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/static-lifetime-bound.rs:1:6 - | -LL | fn f<'a: 'static>(_: &'a i32) {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - error[E0597]: `x` does not live long enough --> $DIR/static-lifetime-bound.rs:5:7 | @@ -19,6 +11,6 @@ LL | f(&x); LL | } | - `x` dropped here while still borrowed -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0597`. diff --git a/tests/ui/statics/uninhabited-static.stderr b/tests/ui/statics/uninhabited-static.stderr index ef794bb36ac..437053a4476 100644 --- a/tests/ui/statics/uninhabited-static.stderr +++ b/tests/ui/statics/uninhabited-static.stderr @@ -53,10 +53,7 @@ warning: the type `Void` does not permit zero-initialization --> $DIR/uninhabited-static.rs:12:31 | LL | static VOID2: Void = unsafe { std::mem::transmute(()) }; - | ^^^^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: enums with no inhabited variants have no valid value --> $DIR/uninhabited-static.rs:4:1 @@ -75,10 +72,7 @@ warning: the type `Void` does not permit zero-initialization --> $DIR/uninhabited-static.rs:16:32 | LL | static NEVER2: Void = unsafe { std::mem::transmute(()) }; - | ^^^^^^^^^^^^^^^^^^^^^^^ - | | - | this code causes undefined behavior when executed - | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | ^^^^^^^^^^^^^^^^^^^^^^^ this code causes undefined behavior when executed | note: enums with no inhabited variants have no valid value --> $DIR/uninhabited-static.rs:4:1 diff --git a/tests/ui/stats/hir-stats.stderr b/tests/ui/stats/hir-stats.stderr index 7d9ff2dfb4d..ee62d8f2d25 100644 --- a/tests/ui/stats/hir-stats.stderr +++ b/tests/ui/stats/hir-stats.stderr @@ -1,119 +1,119 @@ ast-stats-1 PRE EXPANSION AST STATS ast-stats-1 Name Accumulated Size Count Item Size ast-stats-1 ---------------------------------------------------------------- -ast-stats-1 ExprField 48 ( 0.6%) 1 48 -ast-stats-1 GenericArgs 56 ( 0.8%) 1 56 -ast-stats-1 - AngleBracketed 56 ( 0.8%) 1 -ast-stats-1 Crate 56 ( 0.8%) 1 56 -ast-stats-1 Attribute 64 ( 0.9%) 2 32 -ast-stats-1 - Normal 32 ( 0.4%) 1 -ast-stats-1 - DocComment 32 ( 0.4%) 1 -ast-stats-1 Local 72 ( 1.0%) 1 72 -ast-stats-1 WherePredicate 72 ( 1.0%) 1 72 -ast-stats-1 - 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Trait 224 ( 3.1%) 4 +ast-stats-2 AssocItem 416 ( 5.8%) 4 104 +ast-stats-2 - Type 208 ( 2.9%) 2 +ast-stats-2 - Fn 208 ( 2.9%) 2 +ast-stats-2 GenericParam 480 ( 6.7%) 5 96 +ast-stats-2 Pat 504 ( 7.0%) 7 72 +ast-stats-2 - Struct 72 ( 1.0%) 1 +ast-stats-2 - Wild 72 ( 1.0%) 1 +ast-stats-2 - Ident 360 ( 5.0%) 5 +ast-stats-2 Expr 648 ( 9.1%) 9 72 +ast-stats-2 - Path 72 ( 1.0%) 1 +ast-stats-2 - Match 72 ( 1.0%) 1 +ast-stats-2 - Struct 72 ( 1.0%) 1 +ast-stats-2 - InlineAsm 72 ( 1.0%) 1 +ast-stats-2 - Lit 144 ( 2.0%) 2 +ast-stats-2 - Block 216 ( 3.0%) 3 +ast-stats-2 PathSegment 792 (11.1%) 33 24 +ast-stats-2 Ty 896 (12.5%) 14 64 +ast-stats-2 - Ptr 64 ( 0.9%) 1 +ast-stats-2 - Ref 64 ( 0.9%) 1 +ast-stats-2 - ImplicitSelf 128 ( 1.8%) 2 +ast-stats-2 - Path 640 ( 8.9%) 10 +ast-stats-2 Item 1_496 (20.9%) 11 136 +ast-stats-2 - Trait 136 ( 1.9%) 1 +ast-stats-2 - Enum 136 ( 1.9%) 1 +ast-stats-2 - ExternCrate 136 ( 1.9%) 1 +ast-stats-2 - ForeignMod 136 ( 1.9%) 1 +ast-stats-2 - Impl 136 ( 1.9%) 1 +ast-stats-2 - Fn 272 ( 3.8%) 2 +ast-stats-2 - Use 544 ( 7.6%) 4 ast-stats-2 ---------------------------------------------------------------- -ast-stats-2 Total 8_112 +ast-stats-2 Total 7_152 ast-stats-2 hir-stats HIR STATS hir-stats Name Accumulated Size Count Item Size diff --git a/tests/ui/structs/struct-path-associated-type.rs b/tests/ui/structs/struct-path-associated-type.rs index 2dd7174a9be..74d9705d4b8 100644 --- a/tests/ui/structs/struct-path-associated-type.rs +++ b/tests/ui/structs/struct-path-associated-type.rs @@ -13,7 +13,7 @@ fn f<T: Tr>() { //~^ ERROR expected struct, variant or union type, found associated type let z = T::A::<u8> {}; //~^ ERROR expected struct, variant or union type, found associated type - //~| ERROR this associated type takes 0 generic arguments but 1 generic argument was supplied + //~| ERROR associated type takes 0 generic arguments but 1 generic argument was supplied match S { T::A {} => {} //~^ ERROR expected struct, variant or union type, found associated type @@ -22,7 +22,7 @@ fn f<T: Tr>() { fn g<T: Tr<A = S>>() { let s = T::A {}; // OK - let z = T::A::<u8> {}; //~ ERROR this associated type takes 0 generic arguments but 1 generic argument was supplied + let z = T::A::<u8> {}; //~ ERROR associated type takes 0 generic arguments but 1 generic argument was supplied match S { T::A {} => {} // OK } diff --git a/tests/ui/structs/struct-path-associated-type.stderr b/tests/ui/structs/struct-path-associated-type.stderr index ca5f0b7e21e..acfddaf3760 100644 --- a/tests/ui/structs/struct-path-associated-type.stderr +++ b/tests/ui/structs/struct-path-associated-type.stderr @@ -4,7 +4,7 @@ error[E0071]: expected struct, variant or union type, found associated type LL | let s = T::A {}; | ^^^^ not a struct -error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied --> $DIR/struct-path-associated-type.rs:14:16 | LL | let z = T::A::<u8> {}; @@ -30,7 +30,7 @@ error[E0071]: expected struct, variant or union type, found associated type LL | T::A {} => {} | ^^^^ not a struct -error[E0107]: this associated type takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated type takes 0 generic arguments but 1 generic argument was supplied --> $DIR/struct-path-associated-type.rs:25:16 | LL | let z = T::A::<u8> {}; diff --git a/tests/ui/structs/structure-constructor-type-mismatch.rs b/tests/ui/structs/structure-constructor-type-mismatch.rs index a03ef590cb3..21cd9d08b21 100644 --- a/tests/ui/structs/structure-constructor-type-mismatch.rs +++ b/tests/ui/structs/structure-constructor-type-mismatch.rs @@ -45,13 +45,13 @@ fn main() { y: 8, }; - let pt3 = PointF::<i32> { //~ ERROR this type alias takes 0 generic arguments but 1 generic argument + let pt3 = PointF::<i32> { //~ ERROR type alias takes 0 generic arguments but 1 generic argument x: 9, //~ ERROR mismatched types y: 10, //~ ERROR mismatched types }; match (Point { x: 1, y: 2 }) { - PointF::<u32> { .. } => {} //~ ERROR this type alias takes 0 generic arguments but 1 generic argument + PointF::<u32> { .. } => {} //~ ERROR type alias takes 0 generic arguments but 1 generic argument //~^ ERROR mismatched types } diff --git a/tests/ui/structs/structure-constructor-type-mismatch.stderr b/tests/ui/structs/structure-constructor-type-mismatch.stderr index 3e3f9ea06ef..63dda459396 100644 --- a/tests/ui/structs/structure-constructor-type-mismatch.stderr +++ b/tests/ui/structs/structure-constructor-type-mismatch.stderr @@ -52,7 +52,7 @@ LL | x: 7, | expected `f32`, found integer | help: use a float literal: `7.0` -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/structure-constructor-type-mismatch.rs:48:15 | LL | let pt3 = PointF::<i32> { @@ -84,7 +84,7 @@ LL | y: 10, | expected `f32`, found integer | help: use a float literal: `10.0` -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/structure-constructor-type-mismatch.rs:54:9 | LL | PointF::<u32> { .. } => {} diff --git a/tests/ui/suggestions/assoc-ct-for-assoc-method.stderr b/tests/ui/suggestions/assoc-ct-for-assoc-method.stderr index afef38f1296..211cb1584ad 100644 --- a/tests/ui/suggestions/assoc-ct-for-assoc-method.stderr +++ b/tests/ui/suggestions/assoc-ct-for-assoc-method.stderr @@ -36,7 +36,7 @@ LL | let y: i32 = i32::max - 42; | | | fn(i32, i32) -> i32 {<i32 as Ord>::max} | -help: use parentheses to call this associated function +help: use parentheses to call this method | LL | let y: i32 = i32::max(/* i32 */, /* i32 */) - 42; | ++++++++++++++++++++++ diff --git a/tests/ui/suggestions/fn-or-tuple-struct-without-args.stderr b/tests/ui/suggestions/fn-or-tuple-struct-without-args.stderr index 4f981a16374..a137db8cdee 100644 --- a/tests/ui/suggestions/fn-or-tuple-struct-without-args.stderr +++ b/tests/ui/suggestions/fn-or-tuple-struct-without-args.stderr @@ -206,7 +206,7 @@ error[E0308]: mismatched types --> $DIR/fn-or-tuple-struct-without-args.rs:41:20 | LL | fn ban(&self) -> usize { 42 } - | ---------------------- associated function `ban` defined here + | ---------------------- method `ban` defined here ... LL | let _: usize = X::ban; | ----- ^^^^^^ expected `usize`, found fn item @@ -215,7 +215,7 @@ LL | let _: usize = X::ban; | = note: expected type `usize` found fn item `for<'a> fn(&'a X) -> usize {<X as T>::ban}` -help: use parentheses to call this associated function +help: use parentheses to call this method | LL | let _: usize = X::ban(/* &X */); | ++++++++++ @@ -224,7 +224,7 @@ error[E0308]: mismatched types --> $DIR/fn-or-tuple-struct-without-args.rs:42:20 | LL | fn bal(&self) -> usize; - | ----------------------- associated function `bal` defined here + | ----------------------- method `bal` defined here ... LL | let _: usize = X::bal; | ----- ^^^^^^ expected `usize`, found fn item @@ -233,7 +233,7 @@ LL | let _: usize = X::bal; | = note: expected type `usize` found fn item `for<'a> fn(&'a X) -> usize {<X as T>::bal}` -help: use parentheses to call this associated function +help: use parentheses to call this method | LL | let _: usize = X::bal(/* &X */); | ++++++++++ diff --git a/tests/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr b/tests/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr index 864ab053520..fc5a521746a 100644 --- a/tests/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr +++ b/tests/ui/suggestions/imm-ref-trait-object-literal-bound-regions.stderr @@ -12,7 +12,7 @@ note: required by a bound in `foo` --> $DIR/imm-ref-trait-object-literal-bound-regions.rs:11:20 | LL | fn foo<X>(_: X) - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | for<'b> &'b X: Trait, | ^^^^^ required by this bound in `foo` diff --git a/tests/ui/suggestions/issue-101421.rs b/tests/ui/suggestions/issue-101421.rs index b615997d1a9..1407ebd277c 100644 --- a/tests/ui/suggestions/issue-101421.rs +++ b/tests/ui/suggestions/issue-101421.rs @@ -8,5 +8,5 @@ impl Ice for () { fn main() { ().f::<()>(()); - //~^ ERROR this associated function takes 0 generic arguments but 1 generic argument was supplied + //~^ ERROR method takes 0 generic arguments but 1 generic argument was supplied } diff --git a/tests/ui/suggestions/issue-101421.stderr b/tests/ui/suggestions/issue-101421.stderr index f8e1efb8820..2656ab3db0b 100644 --- a/tests/ui/suggestions/issue-101421.stderr +++ b/tests/ui/suggestions/issue-101421.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-101421.rs:10:8 | LL | ().f::<()>(()); @@ -6,7 +6,7 @@ LL | ().f::<()>(()); | | | expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters +note: method defined here, with 0 generic parameters --> $DIR/issue-101421.rs:2:8 | LL | fn f(&self, _: ()); diff --git a/tests/ui/suggestions/issue-104287.rs b/tests/ui/suggestions/issue-104287.rs index e3fa22a8f66..37b3339fa92 100644 --- a/tests/ui/suggestions/issue-104287.rs +++ b/tests/ui/suggestions/issue-104287.rs @@ -8,6 +8,6 @@ impl S { fn main() { let x = S; foo::<()>(x); - //~^ ERROR this associated function takes 0 generic arguments but 1 generic argument was supplied + //~^ ERROR method takes 0 generic arguments but 1 generic argument was supplied //~| ERROR cannot find function `foo` in this scope } diff --git a/tests/ui/suggestions/issue-104287.stderr b/tests/ui/suggestions/issue-104287.stderr index 602a01828b2..ed59b2e7a2d 100644 --- a/tests/ui/suggestions/issue-104287.stderr +++ b/tests/ui/suggestions/issue-104287.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-104287.rs:10:5 | LL | foo::<()>(x); @@ -6,7 +6,7 @@ LL | foo::<()>(x); | | | expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters +note: method defined here, with 0 generic parameters --> $DIR/issue-104287.rs:6:8 | LL | fn foo(&self) {} diff --git a/tests/ui/suggestions/issue-84973.stderr b/tests/ui/suggestions/issue-84973.stderr index ae2bf5aac40..55c89884a5f 100644 --- a/tests/ui/suggestions/issue-84973.stderr +++ b/tests/ui/suggestions/issue-84973.stderr @@ -13,7 +13,7 @@ LL | G: SomeTrait, | ^^^^^^^^^ required by this bound in `Other::<'a, G>::new` LL | { LL | pub fn new(g: G) -> Self { - | --- required by a bound in this + | --- required by a bound in this associated function help: consider borrowing here | LL | let o = Other::new(&f); diff --git a/tests/ui/suggestions/issue-85347.rs b/tests/ui/suggestions/issue-85347.rs index 02b5fb61894..04d4c47d8e5 100644 --- a/tests/ui/suggestions/issue-85347.rs +++ b/tests/ui/suggestions/issue-85347.rs @@ -1,7 +1,7 @@ use std::ops::Deref; trait Foo { type Bar<'a>: Deref<Target = <Self>::Bar<Target = Self>>; - //~^ ERROR this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied + //~^ ERROR associated type takes 1 lifetime argument but 0 lifetime arguments were supplied //~| ERROR associated type bindings are not allowed here //~| HELP add missing } diff --git a/tests/ui/suggestions/issue-85347.stderr b/tests/ui/suggestions/issue-85347.stderr index 17c1b7dc4cc..f330b3c1fad 100644 --- a/tests/ui/suggestions/issue-85347.stderr +++ b/tests/ui/suggestions/issue-85347.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated type takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: associated type takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/issue-85347.rs:3:42 | LL | type Bar<'a>: Deref<Target = <Self>::Bar<Target = Self>>; diff --git a/tests/ui/suggestions/issue-89064.stderr b/tests/ui/suggestions/issue-89064.stderr index 93d8da226c8..be09dd89512 100644 --- a/tests/ui/suggestions/issue-89064.stderr +++ b/tests/ui/suggestions/issue-89064.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated function takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-89064.rs:17:16 | LL | let _ = A::foo::<S>(); @@ -20,7 +20,7 @@ LL - let _ = A::foo::<S>(); LL + let _ = A::foo(); | -error[E0107]: this associated function takes 0 generic arguments but 2 generic arguments were supplied +error[E0107]: associated function takes 0 generic arguments but 2 generic arguments were supplied --> $DIR/issue-89064.rs:22:16 | LL | let _ = B::bar::<S, S>(); @@ -42,7 +42,7 @@ LL - let _ = B::bar::<S, S>(); LL + let _ = B::bar(); | -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: associated function takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-89064.rs:27:21 | LL | let _ = A::<S>::foo::<S>(); @@ -56,7 +56,7 @@ note: associated function defined here, with 0 generic parameters LL | fn foo() {} | ^^^ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/issue-89064.rs:31:16 | LL | let _ = 42.into::<Option<_>>(); diff --git a/tests/ui/suggestions/missing-lifetime-specifier.rs b/tests/ui/suggestions/missing-lifetime-specifier.rs index 24f5f782f35..cb734e8ba85 100644 --- a/tests/ui/suggestions/missing-lifetime-specifier.rs +++ b/tests/ui/suggestions/missing-lifetime-specifier.rs @@ -37,19 +37,19 @@ thread_local! { thread_local! { static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); - //~^ ERROR this union takes 2 lifetime arguments but 1 lifetime argument - //~| ERROR this union takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this union takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this union takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this union takes 2 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR union takes 2 lifetime arguments but 1 lifetime argument + //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR union takes 2 lifetime arguments but 1 lifetime argument was supplied } thread_local! { static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); - //~^ ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied - //~| ERROR this trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~^ ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied + //~| ERROR trait takes 2 lifetime arguments but 1 lifetime argument was supplied //~| ERROR missing lifetime //~| ERROR missing lifetime } diff --git a/tests/ui/suggestions/missing-lifetime-specifier.stderr b/tests/ui/suggestions/missing-lifetime-specifier.stderr index 997bbb5e9b5..21d2378382c 100644 --- a/tests/ui/suggestions/missing-lifetime-specifier.stderr +++ b/tests/ui/suggestions/missing-lifetime-specifier.stderr @@ -133,7 +133,7 @@ LL | | } | = help: this function's return type contains a borrowed value, but the signature does not say which one of `init`'s 3 lifetimes it is borrowed from -error[E0107]: this union takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:39:44 | LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -151,7 +151,7 @@ help: add missing lifetime argument LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this union takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:39:44 | LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -169,7 +169,7 @@ help: add missing lifetime argument LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this union takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:39:44 | LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -187,7 +187,7 @@ help: add missing lifetime argument LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this union takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:39:44 | LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -205,7 +205,7 @@ help: add missing lifetime argument LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this union takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: union takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:39:44 | LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -223,7 +223,7 @@ help: add missing lifetime argument LL | static e: RefCell<HashMap<i32, Vec<Vec<Qux<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:47:45 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -241,7 +241,7 @@ help: add missing lifetime argument LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:47:45 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -259,7 +259,7 @@ help: add missing lifetime argument LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:47:45 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -277,7 +277,7 @@ help: add missing lifetime argument LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:47:45 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); @@ -295,7 +295,7 @@ help: add missing lifetime argument LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, 'static, i32>>>>> = RefCell::new(HashMap::new()); | +++++++++ -error[E0107]: this trait takes 2 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 2 lifetime arguments but 1 lifetime argument was supplied --> $DIR/missing-lifetime-specifier.rs:47:45 | LL | static f: RefCell<HashMap<i32, Vec<Vec<&Tar<'static, i32>>>>> = RefCell::new(HashMap::new()); diff --git a/tests/ui/suggestions/missing-type-param-used-in-param.stderr b/tests/ui/suggestions/missing-type-param-used-in-param.stderr index 4f7058a6492..3116c5a0a1c 100644 --- a/tests/ui/suggestions/missing-type-param-used-in-param.stderr +++ b/tests/ui/suggestions/missing-type-param-used-in-param.stderr @@ -1,4 +1,4 @@ -error[E0107]: this function takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied --> $DIR/missing-type-param-used-in-param.rs:6:5 | LL | two_type_params::<String>(100); diff --git a/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.rs b/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.rs index 2f540060a34..4066cd3b11a 100644 --- a/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.rs +++ b/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.rs @@ -12,7 +12,7 @@ impl Foo<i32> for i32 { fn main() { 1.bar::<i32>(0); - //~^ ERROR this associated function takes 0 generic arguments but 1 generic argument was supplied + //~^ ERROR method takes 0 generic arguments but 1 generic argument was supplied //~| HELP consider moving this generic argument to the `Foo` trait, which takes up to 1 argument //~| HELP remove these generics } diff --git a/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.stderr b/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.stderr index 9557220f6bb..bfdb35947ef 100644 --- a/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.stderr +++ b/tests/ui/suggestions/move-generic-to-trait-in-method-with-params.stderr @@ -1,10 +1,10 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/move-generic-to-trait-in-method-with-params.rs:14:7 | LL | 1.bar::<i32>(0); | ^^^ expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters +note: method defined here, with 0 generic parameters --> $DIR/move-generic-to-trait-in-method-with-params.rs:4:8 | LL | fn bar(&self, _: T); diff --git a/tests/ui/suggestions/sugg-else-for-closure.stderr b/tests/ui/suggestions/sugg-else-for-closure.stderr index 7f05832bcd7..09553b93c45 100644 --- a/tests/ui/suggestions/sugg-else-for-closure.stderr +++ b/tests/ui/suggestions/sugg-else-for-closure.stderr @@ -15,7 +15,7 @@ LL | let _s = y.unwrap_or(|| x.split('.').nth(1).unwrap()); | ^^^^^^^^^^^^-------------------------------^ | | | this argument influences the return type of `unwrap_or` -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/option.rs:LL:COL help: try calling `unwrap_or_else` instead | diff --git a/tests/ui/suggestions/trait-with-missing-associated-type-restriction.stderr b/tests/ui/suggestions/trait-with-missing-associated-type-restriction.stderr index f520d88c6ba..7deb9a4342d 100644 --- a/tests/ui/suggestions/trait-with-missing-associated-type-restriction.stderr +++ b/tests/ui/suggestions/trait-with-missing-associated-type-restriction.stderr @@ -90,7 +90,7 @@ LL | fn func(&self) -> Self::A; LL | fn funk(&self, _: Self::A); LL | fn funq(&self) -> Self::A {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ consider calling `Trait::funq` -note: associated function defined here +note: method defined here --> $DIR/trait-with-missing-associated-type-restriction.rs:9:8 | LL | fn funk(&self, _: Self::A); diff --git a/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr b/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr index fcff02e09db..4e3180e84d2 100644 --- a/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr +++ b/tests/ui/suggestions/type-ascription-instead-of-path-in-type.stderr @@ -18,7 +18,7 @@ LL | let _: Vec<A:B> = A::B; = note: see issue #52662 <https://github.com/rust-lang/rust/issues/52662> for more information = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable -error[E0107]: this struct takes at least 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes at least 1 generic argument but 0 generic arguments were supplied --> $DIR/type-ascription-instead-of-path-in-type.rs:6:12 | LL | let _: Vec<A:B> = A::B; diff --git a/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.rs b/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.rs index 8b6e8cfd720..ed262fd39a5 100644 --- a/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.rs +++ b/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.rs @@ -6,7 +6,7 @@ pub trait T<X, Y> { pub struct Foo { i: Box<dyn T<usize, usize, usize, usize, B=usize>>, //~^ ERROR must be specified - //~| ERROR this trait takes 2 generic arguments but 4 generic arguments were supplied + //~| ERROR trait takes 2 generic arguments but 4 generic arguments were supplied } diff --git a/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.stderr b/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.stderr index 75b91923284..175a5fbba61 100644 --- a/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.stderr +++ b/tests/ui/suggestions/use-type-argument-instead-of-assoc-type.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 2 generic arguments but 4 generic arguments were supplied +error[E0107]: trait takes 2 generic arguments but 4 generic arguments were supplied --> $DIR/use-type-argument-instead-of-assoc-type.rs:7:16 | LL | i: Box<dyn T<usize, usize, usize, usize, B=usize>>, diff --git a/tests/ui/tool-attributes/auxiliary/p1.rs b/tests/ui/tool-attributes/auxiliary/p1.rs new file mode 100644 index 00000000000..47195c7e9d6 --- /dev/null +++ b/tests/ui/tool-attributes/auxiliary/p1.rs @@ -0,0 +1,3 @@ +#![feature(rustc_attrs)] +#[rustc_diagnostic_item = "Foo"] +pub struct Foo {} diff --git a/tests/ui/tool-attributes/auxiliary/p2.rs b/tests/ui/tool-attributes/auxiliary/p2.rs new file mode 100644 index 00000000000..47195c7e9d6 --- /dev/null +++ b/tests/ui/tool-attributes/auxiliary/p2.rs @@ -0,0 +1,3 @@ +#![feature(rustc_attrs)] +#[rustc_diagnostic_item = "Foo"] +pub struct Foo {} diff --git a/tests/ui/tool-attributes/duplicate-diagnostic.rs b/tests/ui/tool-attributes/duplicate-diagnostic.rs new file mode 100644 index 00000000000..39c2ca1cb86 --- /dev/null +++ b/tests/ui/tool-attributes/duplicate-diagnostic.rs @@ -0,0 +1,13 @@ +// aux-build: p1.rs +// aux-build: p2.rs + +// error-pattern: duplicate diagnostic item in crate `p2` +// error-pattern: note: the diagnostic item is first defined in crate `p1` + +#![feature(rustc_attrs)] +extern crate p1; +extern crate p2; + +#[rustc_diagnostic_item = "Foo"] +pub struct Foo {} //~ ERROR duplicate diagnostic item found +fn main() {} diff --git a/tests/ui/tool-attributes/duplicate-diagnostic.stderr b/tests/ui/tool-attributes/duplicate-diagnostic.stderr new file mode 100644 index 00000000000..e315fdc7d84 --- /dev/null +++ b/tests/ui/tool-attributes/duplicate-diagnostic.stderr @@ -0,0 +1,12 @@ +error: duplicate diagnostic item in crate `p2`: `Foo`. + | + = note: the diagnostic item is first defined in crate `p1`. + +error: duplicate diagnostic item found: `Foo`. + --> $DIR/duplicate-diagnostic.rs:12:1 + | +LL | pub struct Foo {} + | ^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/tests/ui/traits/alias/ambiguous.stderr b/tests/ui/traits/alias/ambiguous.stderr index 0fe1a79678d..203bdc526f6 100644 --- a/tests/ui/traits/alias/ambiguous.stderr +++ b/tests/ui/traits/alias/ambiguous.stderr @@ -14,11 +14,11 @@ note: candidate #2 is defined in an impl of the trait `B` for the type `u8` | LL | fn foo(&self) {} | ^^^^^^^^^^^^^ -help: disambiguate the associated function for candidate #1 +help: disambiguate the method for candidate #1 | LL | A::foo(&t); | ~~~~~~~~~~ -help: disambiguate the associated function for candidate #2 +help: disambiguate the method for candidate #2 | LL | B::foo(&t); | ~~~~~~~~~~ diff --git a/tests/ui/traits/issue-52893.stderr b/tests/ui/traits/issue-52893.stderr index 006cb3a7b72..db807a38830 100644 --- a/tests/ui/traits/issue-52893.stderr +++ b/tests/ui/traits/issue-52893.stderr @@ -18,7 +18,7 @@ LL | builder.push(output); | ^^^^^^^^^^^^^------^ | | | this argument influences the return type of `push` -note: associated function defined here +note: method defined here --> $DIR/issue-52893.rs:11:8 | LL | fn push(self, other: T) -> Self::PushRes; diff --git a/tests/ui/traits/issue-77982.stderr b/tests/ui/traits/issue-77982.stderr index 0b57a8212bd..a397b0accc8 100644 --- a/tests/ui/traits/issue-77982.stderr +++ b/tests/ui/traits/issue-77982.stderr @@ -4,7 +4,7 @@ error[E0283]: type annotations needed LL | opts.get(opt.as_ref()); | ^^^ ------------ type must be known at this point | | - | cannot infer type of the type parameter `Q` declared on the associated function `get` + | cannot infer type of the type parameter `Q` declared on the method `get` | = note: multiple `impl`s satisfying `String: Borrow<_>` found in the following crates: `alloc`, `core`: - impl Borrow<str> for String; @@ -23,7 +23,7 @@ error[E0283]: type annotations needed LL | opts.get(opt.as_ref()); | ^^^ ------ type must be known at this point | | - | cannot infer type of the type parameter `Q` declared on the associated function `get` + | cannot infer type of the type parameter `Q` declared on the method `get` | = note: multiple `impl`s satisfying `String: AsRef<_>` found in the following crates: `alloc`, `std`: - impl AsRef<OsStr> for String; diff --git a/tests/ui/traits/item-privacy.rs b/tests/ui/traits/item-privacy.rs index 38d06b967bc..a3e1a22e7a8 100644 --- a/tests/ui/traits/item-privacy.rs +++ b/tests/ui/traits/item-privacy.rs @@ -69,7 +69,7 @@ fn check_method() { S.c(); // OK // a, b, c are resolved as inherent items, their traits don't need to be in scope let c = &S as &dyn C; - c.a(); //~ ERROR associated function `a` is private + c.a(); //~ ERROR method `a` is private c.b(); // OK c.c(); // OK @@ -81,7 +81,7 @@ fn check_method() { //~^ ERROR no function or associated item named `b` found S::c(&S); // OK // a, b, c are resolved as inherent items, their traits don't need to be in scope - <dyn C>::a(&S); //~ ERROR associated function `a` is private + <dyn C>::a(&S); //~ ERROR method `a` is private <dyn C>::b(&S); // OK C::c(&S); // OK } diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index 293cfbda86c..04995b3a17b 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -32,14 +32,14 @@ help: the following trait is implemented but not in scope; perhaps add a `use` f LL | use method::B; | -error[E0624]: associated function `a` is private +error[E0624]: method `a` is private --> $DIR/item-privacy.rs:72:7 | LL | fn a(&self) { } - | ----------- private associated function defined here + | ----------- private method defined here ... LL | c.a(); - | ^ private associated function + | ^ private method error[E0599]: no function or associated item named `a` found for struct `S` in the current scope --> $DIR/item-privacy.rs:78:8 @@ -72,14 +72,14 @@ help: the following trait is implemented but not in scope; perhaps add a `use` f LL | use method::B; | -error[E0624]: associated function `a` is private +error[E0624]: method `a` is private --> $DIR/item-privacy.rs:84:14 | LL | fn a(&self) { } - | ----------- private associated function defined here + | ----------- private method defined here ... LL | <dyn C>::a(&S); - | ^ private associated function + | ^ private method error[E0599]: no associated item named `A` found for struct `S` in the current scope --> $DIR/item-privacy.rs:97:8 diff --git a/tests/ui/traits/method-private.stderr b/tests/ui/traits/method-private.stderr index 8e991ec018c..55656f21e00 100644 --- a/tests/ui/traits/method-private.stderr +++ b/tests/ui/traits/method-private.stderr @@ -1,11 +1,11 @@ -error[E0624]: associated function `method` is private +error[E0624]: method `method` is private --> $DIR/method-private.rs:19:9 | LL | fn method(&self) {} - | ---------------- private associated function defined here + | ---------------- private method defined here ... LL | foo.method(); - | ^^^^^^ private associated function + | ^^^^^^ private method | = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: diff --git a/tests/ui/traits/multidispatch-convert-ambig-dest.stderr b/tests/ui/traits/multidispatch-convert-ambig-dest.stderr index 6e6172eea47..e927f26e96d 100644 --- a/tests/ui/traits/multidispatch-convert-ambig-dest.stderr +++ b/tests/ui/traits/multidispatch-convert-ambig-dest.stderr @@ -29,7 +29,7 @@ note: required by a bound in `test` --> $DIR/multidispatch-convert-ambig-dest.rs:21:11 | LL | fn test<T,U>(_: T, _: U) - | ---- required by a bound in this + | ---- required by a bound in this function LL | where T : Convert<U> | ^^^^^^^^^^ required by this bound in `test` help: consider specifying the generic arguments diff --git a/tests/ui/traits/new-solver/builtin-fn-must-return-sized.rs b/tests/ui/traits/new-solver/builtin-fn-must-return-sized.rs new file mode 100644 index 00000000000..ba473653ecf --- /dev/null +++ b/tests/ui/traits/new-solver/builtin-fn-must-return-sized.rs @@ -0,0 +1,17 @@ +// compile-flags: -Ztrait-solver=next + +#![feature(fn_traits)] +#![feature(unboxed_closures)] +#![feature(tuple_trait)] + +use std::ops::Fn; +use std::marker::Tuple; + +fn foo<F: Fn<T>, T: Tuple>(f: Option<F>, t: T) { + let y = (f.unwrap()).call(t); +} + +fn main() { + foo::<fn() -> str, _>(None, ()); + //~^ expected a `Fn<_>` closure, found `fn() -> str` +} diff --git a/tests/ui/traits/new-solver/builtin-fn-must-return-sized.stderr b/tests/ui/traits/new-solver/builtin-fn-must-return-sized.stderr new file mode 100644 index 00000000000..f7551739b13 --- /dev/null +++ b/tests/ui/traits/new-solver/builtin-fn-must-return-sized.stderr @@ -0,0 +1,18 @@ +error[E0277]: expected a `Fn<_>` closure, found `fn() -> str` + --> $DIR/builtin-fn-must-return-sized.rs:15:27 + | +LL | foo::<fn() -> str, _>(None, ()); + | --------------------- ^^^^ expected an `Fn<_>` closure, found `fn() -> str` + | | + | required by a bound introduced by this call + | + = help: the trait `Fn<_>` is not implemented for `fn() -> str` +note: required by a bound in `foo` + --> $DIR/builtin-fn-must-return-sized.rs:10:11 + | +LL | fn foo<F: Fn<T>, T: Tuple>(f: Option<F>, t: T) { + | ^^^^^ required by this bound in `foo` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/non_lifetime_binders/bad-sized-cond.rs b/tests/ui/traits/non_lifetime_binders/bad-sized-cond.rs new file mode 100644 index 00000000000..dfc800c8e7e --- /dev/null +++ b/tests/ui/traits/non_lifetime_binders/bad-sized-cond.rs @@ -0,0 +1,23 @@ +#![feature(non_lifetime_binders)] +//~^ WARN is incomplete and may not be safe + +pub fn foo() +where + for<V> V: Sized, +{ +} + +pub fn bar() +where + for<V> V: IntoIterator, +{ +} + +fn main() { + foo(); + //~^ ERROR the size for values of type `V` cannot be known at compilation time + + bar(); + //~^ ERROR the size for values of type `V` cannot be known at compilation time + //~| ERROR `V` is not an iterator +} diff --git a/tests/ui/traits/non_lifetime_binders/bad-sized-cond.stderr b/tests/ui/traits/non_lifetime_binders/bad-sized-cond.stderr new file mode 100644 index 00000000000..ed9b57cb1bd --- /dev/null +++ b/tests/ui/traits/non_lifetime_binders/bad-sized-cond.stderr @@ -0,0 +1,62 @@ +warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/bad-sized-cond.rs:1:12 + | +LL | #![feature(non_lifetime_binders)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information + = note: `#[warn(incomplete_features)]` on by default + +error[E0277]: the size for values of type `V` cannot be known at compilation time + --> $DIR/bad-sized-cond.rs:17:5 + | +LL | foo(); + | ^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `V` +note: required by a bound in `foo` + --> $DIR/bad-sized-cond.rs:6:15 + | +LL | pub fn foo() + | --- required by a bound in this function +LL | where +LL | for<V> V: Sized, + | ^^^^^ required by this bound in `foo` + +error[E0277]: the size for values of type `V` cannot be known at compilation time + --> $DIR/bad-sized-cond.rs:20:5 + | +LL | bar(); + | ^^^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `V` + = note: required for `V` to implement `IntoIterator` +note: required by a bound in `bar` + --> $DIR/bad-sized-cond.rs:12:15 + | +LL | pub fn bar() + | --- required by a bound in this function +LL | where +LL | for<V> V: IntoIterator, + | ^^^^^^^^^^^^ required by this bound in `bar` + +error[E0277]: `V` is not an iterator + --> $DIR/bad-sized-cond.rs:20:5 + | +LL | bar(); + | ^^^ `V` is not an iterator + | + = help: the trait `Iterator` is not implemented for `V` + = note: required for `V` to implement `IntoIterator` +note: required by a bound in `bar` + --> $DIR/bad-sized-cond.rs:12:15 + | +LL | pub fn bar() + | --- required by a bound in this function +LL | where +LL | for<V> V: IntoIterator, + | ^^^^^^^^^^^^ required by this bound in `bar` + +error: aborting due to 3 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/non_lifetime_binders/basic.stderr b/tests/ui/traits/non_lifetime_binders/basic.stderr index fddc5d9fc25..0fd16c5d0ee 100644 --- a/tests/ui/traits/non_lifetime_binders/basic.stderr +++ b/tests/ui/traits/non_lifetime_binders/basic.stderr @@ -4,7 +4,7 @@ warning: the feature `non_lifetime_binders` is incomplete and may not be safe to LL | #![feature(non_lifetime_binders)] | ^^^^^^^^^^^^^^^^^^^^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = note: `#[warn(incomplete_features)]` on by default warning: 1 warning emitted diff --git a/tests/ui/traits/non_lifetime_binders/fail.stderr b/tests/ui/traits/non_lifetime_binders/fail.stderr index ba5953193a4..7bd02550fb3 100644 --- a/tests/ui/traits/non_lifetime_binders/fail.stderr +++ b/tests/ui/traits/non_lifetime_binders/fail.stderr @@ -4,7 +4,7 @@ warning: the feature `non_lifetime_binders` is incomplete and may not be safe to LL | #![feature(non_lifetime_binders)] | ^^^^^^^^^^^^^^^^^^^^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = note: `#[warn(incomplete_features)]` on by default error[E0277]: the trait bound `T: Trait` is not satisfied @@ -17,7 +17,7 @@ note: required by a bound in `fail` --> $DIR/fail.rs:10:15 | LL | fn fail() - | ---- required by a bound in this + | ---- required by a bound in this function LL | where LL | for<T> T: Trait, | ^^^^^ required by this bound in `fail` @@ -33,7 +33,7 @@ note: required by a bound in `auto_trait` --> $DIR/fail.rs:15:15 | LL | fn auto_trait() - | ---------- required by a bound in this + | ---------- required by a bound in this function LL | where LL | for<T> T: Send, | ^^^^ required by this bound in `auto_trait` diff --git a/tests/ui/traits/non_lifetime_binders/on-dyn.stderr b/tests/ui/traits/non_lifetime_binders/on-dyn.stderr index 44071107de4..95656f99976 100644 --- a/tests/ui/traits/non_lifetime_binders/on-dyn.stderr +++ b/tests/ui/traits/non_lifetime_binders/on-dyn.stderr @@ -4,7 +4,7 @@ warning: the feature `non_lifetime_binders` is incomplete and may not be safe to LL | #![feature(non_lifetime_binders)] | ^^^^^^^^^^^^^^^^^^^^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = note: `#[warn(incomplete_features)]` on by default error: late-bound type parameter not allowed on trait object types diff --git a/tests/ui/traits/non_lifetime_binders/on-ptr.stderr b/tests/ui/traits/non_lifetime_binders/on-ptr.stderr index bb7dccaf07d..3b17f7697b2 100644 --- a/tests/ui/traits/non_lifetime_binders/on-ptr.stderr +++ b/tests/ui/traits/non_lifetime_binders/on-ptr.stderr @@ -4,7 +4,7 @@ warning: the feature `non_lifetime_binders` is incomplete and may not be safe to LL | #![feature(non_lifetime_binders)] | ^^^^^^^^^^^^^^^^^^^^ | - = note: see issue #1 <https://github.com/rust-lang/rust/issues/1> for more information + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information = note: `#[warn(incomplete_features)]` on by default error: late-bound type parameter not allowed on function pointer types diff --git a/tests/ui/traits/non_lifetime_binders/type-match-with-late-bound.rs b/tests/ui/traits/non_lifetime_binders/type-match-with-late-bound.rs new file mode 100644 index 00000000000..5ff7089b993 --- /dev/null +++ b/tests/ui/traits/non_lifetime_binders/type-match-with-late-bound.rs @@ -0,0 +1,14 @@ +// edition:2021 +// check-pass + +// Checks that test_type_match code doesn't ICE when predicates have late-bound types + +#![feature(non_lifetime_binders)] +//~^ WARN is incomplete and may not be safe to use + +async fn walk2<'a, T: 'a>(_: T) +where + for<F> F: 'a, +{} + +fn main() {} diff --git a/tests/ui/traits/non_lifetime_binders/type-match-with-late-bound.stderr b/tests/ui/traits/non_lifetime_binders/type-match-with-late-bound.stderr new file mode 100644 index 00000000000..3609bed28df --- /dev/null +++ b/tests/ui/traits/non_lifetime_binders/type-match-with-late-bound.stderr @@ -0,0 +1,11 @@ +warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/type-match-with-late-bound.rs:6:12 + | +LL | #![feature(non_lifetime_binders)] + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/traits/object/enforce-supertrait-projection.stderr b/tests/ui/traits/object/enforce-supertrait-projection.stderr index cbf09386654..848b4e69a4b 100644 --- a/tests/ui/traits/object/enforce-supertrait-projection.stderr +++ b/tests/ui/traits/object/enforce-supertrait-projection.stderr @@ -16,7 +16,7 @@ note: required by a bound in `foo` --> $DIR/enforce-supertrait-projection.rs:15:8 | LL | fn foo<A, B, T: ?Sized>(x: T::A) -> B - | --- required by a bound in this + | --- required by a bound in this function LL | where LL | T: Trait<B = B>, | ^^^^^^^^^^^^ required by this bound in `foo` diff --git a/tests/ui/traits/object/vs-lifetime.rs b/tests/ui/traits/object/vs-lifetime.rs index 14ae67cffd7..d3e6c0b217c 100644 --- a/tests/ui/traits/object/vs-lifetime.rs +++ b/tests/ui/traits/object/vs-lifetime.rs @@ -9,8 +9,8 @@ fn main() { let _: S<'static, dyn 'static +>; //~^ at least one trait is required for an object type let _: S<'static, 'static>; - //~^ ERROR this struct takes 1 lifetime argument but 2 lifetime arguments were supplied - //~| ERROR this struct takes 1 generic argument but 0 generic arguments were supplied + //~^ ERROR struct takes 1 lifetime argument but 2 lifetime arguments were supplied + //~| ERROR struct takes 1 generic argument but 0 generic arguments were supplied let _: S<dyn 'static +, 'static>; //~^ ERROR type provided when a lifetime was expected //~| ERROR at least one trait is required for an object type diff --git a/tests/ui/traits/object/vs-lifetime.stderr b/tests/ui/traits/object/vs-lifetime.stderr index 22446522852..a69cd140807 100644 --- a/tests/ui/traits/object/vs-lifetime.stderr +++ b/tests/ui/traits/object/vs-lifetime.stderr @@ -4,7 +4,7 @@ error[E0224]: at least one trait is required for an object type LL | let _: S<'static, dyn 'static +>; | ^^^^^^^^^^^^^ -error[E0107]: this struct takes 1 lifetime argument but 2 lifetime arguments were supplied +error[E0107]: struct takes 1 lifetime argument but 2 lifetime arguments were supplied --> $DIR/vs-lifetime.rs:11:12 | LL | let _: S<'static, 'static>; @@ -18,7 +18,7 @@ note: struct defined here, with 1 lifetime parameter: `'a` LL | struct S<'a, T>(&'a u8, T); | ^ -- -error[E0107]: this struct takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/vs-lifetime.rs:11:12 | LL | let _: S<'static, 'static>; diff --git a/tests/ui/traits/suggest-deferences/issue-39029.stderr b/tests/ui/traits/suggest-deferences/issue-39029.stderr index 49e20c6a76a..49105de3d69 100644 --- a/tests/ui/traits/suggest-deferences/issue-39029.stderr +++ b/tests/ui/traits/suggest-deferences/issue-39029.stderr @@ -1,8 +1,8 @@ error[E0277]: the trait bound `NoToSocketAddrs: ToSocketAddrs` is not satisfied - --> $DIR/issue-39029.rs:16:37 + --> $DIR/issue-39029.rs:16:38 | LL | let _errors = TcpListener::bind(&bad); - | ----------------- ^^^^ the trait `ToSocketAddrs` is not implemented for `NoToSocketAddrs` + | ----------------- ^^^ the trait `ToSocketAddrs` is not implemented for `NoToSocketAddrs` | | | required by a bound introduced by this call | diff --git a/tests/ui/traits/test-2.rs b/tests/ui/traits/test-2.rs index 342928e882a..ffb778a0141 100644 --- a/tests/ui/traits/test-2.rs +++ b/tests/ui/traits/test-2.rs @@ -7,9 +7,9 @@ impl bar for u32 { fn dup(&self) -> u32 { *self } fn blah<X>(&self) {} } fn main() { 10.dup::<i32>(); - //~^ ERROR this associated function takes 0 generic arguments but 1 + //~^ ERROR method takes 0 generic arguments but 1 10.blah::<i32, i32>(); - //~^ ERROR this associated function takes 1 generic argument but 2 + //~^ ERROR method takes 1 generic argument but 2 (Box::new(10) as Box<dyn bar>).dup(); //~^ ERROR E0038 //~| ERROR E0038 diff --git a/tests/ui/traits/test-2.stderr b/tests/ui/traits/test-2.stderr index eaa20b0b4f4..6c0e8b8af4b 100644 --- a/tests/ui/traits/test-2.stderr +++ b/tests/ui/traits/test-2.stderr @@ -1,4 +1,4 @@ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/test-2.rs:9:8 | LL | 10.dup::<i32>(); @@ -6,13 +6,13 @@ LL | 10.dup::<i32>(); | | | expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters +note: method defined here, with 0 generic parameters --> $DIR/test-2.rs:4:16 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } | ^^^ -error[E0107]: this associated function takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: method takes 1 generic argument but 2 generic arguments were supplied --> $DIR/test-2.rs:11:8 | LL | 10.blah::<i32, i32>(); @@ -20,7 +20,7 @@ LL | 10.blah::<i32, i32>(); | | | expected 1 generic argument | -note: associated function defined here, with 1 generic parameter: `X` +note: method defined here, with 1 generic parameter: `X` --> $DIR/test-2.rs:4:39 | LL | trait bar { fn dup(&self) -> Self; fn blah<X>(&self); } diff --git a/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr b/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr index 96a2fdc54db..164e88ede20 100644 --- a/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -31,7 +31,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -53,7 +53,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -75,7 +75,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -97,7 +97,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -119,7 +119,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr b/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr index 4da5fcea337..0f0f77f1683 100644 --- a/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr +++ b/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -32,7 +32,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -55,7 +55,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -78,7 +78,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -101,7 +101,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -124,7 +124,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -147,7 +147,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -170,7 +170,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -193,7 +193,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -216,7 +216,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -239,7 +239,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -262,7 +262,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -285,7 +285,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -308,7 +308,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -331,7 +331,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -354,7 +354,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -377,7 +377,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -400,7 +400,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -423,7 +423,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -446,7 +446,7 @@ note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr b/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr index 510b8c56e5a..d456a746f5e 100644 --- a/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -32,7 +32,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -55,7 +55,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -78,7 +78,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -101,7 +101,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -124,7 +124,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/enums/should_pad_variants.stderr b/tests/ui/transmutability/enums/should_pad_variants.stderr index a823503d594..f4988239df9 100644 --- a/tests/ui/transmutability/enums/should_pad_variants.stderr +++ b/tests/ui/transmutability/enums/should_pad_variants.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_pad_variants.rs:13:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/enums/should_respect_endianness.stderr b/tests/ui/transmutability/enums/should_respect_endianness.stderr index 0845a5edf32..350583b0b85 100644 --- a/tests/ui/transmutability/enums/should_respect_endianness.stderr +++ b/tests/ui/transmutability/enums/should_respect_endianness.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_respect_endianness.rs:14:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/issue-101739-2.rs b/tests/ui/transmutability/issue-101739-2.rs index 964a7e49ee6..e5a56ccc9e0 100644 --- a/tests/ui/transmutability/issue-101739-2.rs +++ b/tests/ui/transmutability/issue-101739-2.rs @@ -15,7 +15,7 @@ mod assert { const ASSUME_VISIBILITY: bool, >() where - Dst: BikeshedIntrinsicFrom< //~ ERROR this trait takes at most 3 generic arguments but 6 generic arguments were supplied + Dst: BikeshedIntrinsicFrom< //~ ERROR trait takes at most 3 generic arguments but 6 generic arguments were supplied Src, Context, ASSUME_ALIGNMENT, diff --git a/tests/ui/transmutability/issue-101739-2.stderr b/tests/ui/transmutability/issue-101739-2.stderr index 1b3d202590d..420a9f33008 100644 --- a/tests/ui/transmutability/issue-101739-2.stderr +++ b/tests/ui/transmutability/issue-101739-2.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes at most 3 generic arguments but 6 generic arguments were supplied +error[E0107]: trait takes at most 3 generic arguments but 6 generic arguments were supplied --> $DIR/issue-101739-2.rs:18:14 | LL | Dst: BikeshedIntrinsicFrom< diff --git a/tests/ui/transmutability/primitives/bool.stderr b/tests/ui/transmutability/primitives/bool.stderr index 214b5e150ed..22decf15e54 100644 --- a/tests/ui/transmutability/primitives/bool.stderr +++ b/tests/ui/transmutability/primitives/bool.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/bool.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/primitives/numbers.stderr b/tests/ui/transmutability/primitives/numbers.stderr index 7cb7ca8e6db..c04a0e82aa2 100644 --- a/tests/ui/transmutability/primitives/numbers.stderr +++ b/tests/ui/transmutability/primitives/numbers.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -25,7 +25,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -41,7 +41,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -57,7 +57,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -73,7 +73,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -89,7 +89,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -105,7 +105,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -121,7 +121,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -137,7 +137,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -153,7 +153,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -169,7 +169,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -185,7 +185,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -201,7 +201,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -217,7 +217,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -233,7 +233,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -249,7 +249,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -265,7 +265,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -281,7 +281,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -297,7 +297,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -313,7 +313,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -329,7 +329,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -345,7 +345,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -361,7 +361,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -377,7 +377,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -393,7 +393,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -409,7 +409,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -425,7 +425,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -441,7 +441,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -457,7 +457,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -473,7 +473,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -489,7 +489,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -505,7 +505,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -521,7 +521,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -537,7 +537,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -553,7 +553,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -569,7 +569,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -585,7 +585,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -601,7 +601,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -617,7 +617,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -633,7 +633,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -649,7 +649,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -665,7 +665,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -681,7 +681,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -697,7 +697,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -713,7 +713,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -729,7 +729,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -745,7 +745,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -761,7 +761,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -777,7 +777,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -793,7 +793,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -809,7 +809,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -825,7 +825,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -841,7 +841,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -857,7 +857,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -873,7 +873,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -889,7 +889,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -905,7 +905,7 @@ note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:12:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/primitives/unit.stderr b/tests/ui/transmutability/primitives/unit.stderr index 8cabe44a053..988cd33b3bf 100644 --- a/tests/ui/transmutability/primitives/unit.stderr +++ b/tests/ui/transmutability/primitives/unit.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/unit.rs:12:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/references.stderr b/tests/ui/transmutability/references.stderr index e9c7b144a82..eb3bd03fd31 100644 --- a/tests/ui/transmutability/references.stderr +++ b/tests/ui/transmutability/references.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/references.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr b/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr index 621dbee849f..d9aebac6417 100644 --- a/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -32,7 +32,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -55,7 +55,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -78,7 +78,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -101,7 +101,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -124,7 +124,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -147,7 +147,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -170,7 +170,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -193,7 +193,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -216,7 +216,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -239,7 +239,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -262,7 +262,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr b/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr index 523bde85adf..aa0cbc51b1b 100644 --- a/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ @@ -32,7 +32,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/unions/should_pad_variants.stderr b/tests/ui/transmutability/unions/should_pad_variants.stderr index a823503d594..f4988239df9 100644 --- a/tests/ui/transmutability/unions/should_pad_variants.stderr +++ b/tests/ui/transmutability/unions/should_pad_variants.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_pad_variants.rs:13:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { | ______________^ diff --git a/tests/ui/transmutability/unions/should_reject_contraction.stderr b/tests/ui/transmutability/unions/should_reject_contraction.stderr index 41f0cedc3a3..fa7dcc3d22a 100644 --- a/tests/ui/transmutability/unions/should_reject_contraction.stderr +++ b/tests/ui/transmutability/unions/should_reject_contraction.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_contraction.rs:13:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/unions/should_reject_disjoint.stderr b/tests/ui/transmutability/unions/should_reject_disjoint.stderr index 4323f974066..880e4cd8940 100644 --- a/tests/ui/transmutability/unions/should_reject_disjoint.stderr +++ b/tests/ui/transmutability/unions/should_reject_disjoint.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_reject_disjoint.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY.and(Assume::VALIDITY) }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_maybe_transmutable` @@ -25,7 +25,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/should_reject_disjoint.rs:13:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY.and(Assume::VALIDITY) }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_maybe_transmutable` diff --git a/tests/ui/transmutability/unions/should_reject_intersecting.stderr b/tests/ui/transmutability/unions/should_reject_intersecting.stderr index e009888ae8d..501760b0809 100644 --- a/tests/ui/transmutability/unions/should_reject_intersecting.stderr +++ b/tests/ui/transmutability/unions/should_reject_intersecting.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_intersecting.rs:14:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` @@ -25,7 +25,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_intersecting.rs:14:14 | LL | pub fn is_transmutable<Src, Dst>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr index d5d6d431b6f..afbba653b83 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_private_field.rs:13:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> // safety is NOT assumed | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr index a1ca2ced53f..f14b5d8b2cb 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_private_variant.rs:13:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> // safety is NOT assumed | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr index 4e648664d5a..01ae8bea256 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_unreachable_field.rs:15:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> // safety is NOT assumed | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr index bd72d64ccd7..20a680a7484 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr @@ -21,7 +21,7 @@ note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_unreachable_ty.rs:15:14 | LL | pub fn is_transmutable<Src, Dst, Context>() - | --------------- required by a bound in this + | --------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> // safety is NOT assumed | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` diff --git a/tests/ui/transmute/transmute-padding-ice.stderr b/tests/ui/transmute/transmute-padding-ice.stderr index c9233890f7a..87fd4fb6630 100644 --- a/tests/ui/transmute/transmute-padding-ice.stderr +++ b/tests/ui/transmute/transmute-padding-ice.stderr @@ -9,7 +9,7 @@ note: required by a bound in `is_maybe_transmutable` --> $DIR/transmute-padding-ice.rs:11:14 | LL | pub fn is_maybe_transmutable<Src, Dst>() - | --------------------- required by a bound in this + | --------------------- required by a bound in this function LL | where LL | Dst: BikeshedIntrinsicFrom< | ______________^ diff --git a/tests/ui/tuple/wrong_argument_ice-3.stderr b/tests/ui/tuple/wrong_argument_ice-3.stderr index 7143c959478..8b9dac6e291 100644 --- a/tests/ui/tuple/wrong_argument_ice-3.stderr +++ b/tests/ui/tuple/wrong_argument_ice-3.stderr @@ -11,7 +11,7 @@ LL | groups.push(new_group, vec![process]); | ^^^^^^^^^ = note: expected tuple `(Vec<String>, Vec<Process>)` found struct `Vec<String>` -note: associated function defined here +note: method defined here --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL help: remove the extra argument | diff --git a/tests/ui/tuple/wrong_argument_ice.stderr b/tests/ui/tuple/wrong_argument_ice.stderr index f1b00ae0b92..213ca8f885c 100644 --- a/tests/ui/tuple/wrong_argument_ice.stderr +++ b/tests/ui/tuple/wrong_argument_ice.stderr @@ -4,7 +4,7 @@ error[E0061]: method takes 1 argument but 2 arguments were supplied LL | self.acc.push_back(self.current_provides, self.current_requires); | ^^^^^^^^^ | -note: associated function defined here +note: method defined here --> $SRC_DIR/alloc/src/collections/vec_deque/mod.rs:LL:COL help: wrap these arguments in parentheses to construct a tuple | diff --git a/tests/ui/type-alias-enum-variants/enum-variant-generic-args.rs b/tests/ui/type-alias-enum-variants/enum-variant-generic-args.rs index 0031a4665c8..759a7fd7e05 100644 --- a/tests/ui/type-alias-enum-variants/enum-variant-generic-args.rs +++ b/tests/ui/type-alias-enum-variants/enum-variant-generic-args.rs @@ -62,10 +62,10 @@ fn main() { AliasFixed::TSVariant::<()>(()); //~^ ERROR type arguments are not allowed on this type [E0109] AliasFixed::<()>::TSVariant(()); - //~^ ERROR this type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] + //~^ ERROR type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] AliasFixed::<()>::TSVariant::<()>(()); //~^ ERROR type arguments are not allowed on this type [E0109] - //~| ERROR this type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] + //~| ERROR type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] // Struct variant @@ -80,10 +80,10 @@ fn main() { AliasFixed::SVariant::<()> { v: () }; //~^ ERROR type arguments are not allowed on this type [E0109] AliasFixed::<()>::SVariant { v: () }; - //~^ ERROR this type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] + //~^ ERROR type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] AliasFixed::<()>::SVariant::<()> { v: () }; //~^ ERROR type arguments are not allowed on this type [E0109] - //~| ERROR this type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] + //~| ERROR type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] // Unit variant @@ -98,8 +98,8 @@ fn main() { AliasFixed::UVariant::<()>; //~^ ERROR type arguments are not allowed on this type [E0109] AliasFixed::<()>::UVariant; - //~^ ERROR this type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] + //~^ ERROR type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] AliasFixed::<()>::UVariant::<()>; //~^ ERROR type arguments are not allowed on this type [E0109] - //~| ERROR this type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] + //~| ERROR type alias takes 0 generic arguments but 1 generic argument was supplied [E0107] } diff --git a/tests/ui/type-alias-enum-variants/enum-variant-generic-args.stderr b/tests/ui/type-alias-enum-variants/enum-variant-generic-args.stderr index a922d7a5e41..758ff31ff70 100644 --- a/tests/ui/type-alias-enum-variants/enum-variant-generic-args.stderr +++ b/tests/ui/type-alias-enum-variants/enum-variant-generic-args.stderr @@ -304,7 +304,7 @@ LL | AliasFixed::TSVariant::<()>(()); | | | not allowed on this type -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/enum-variant-generic-args.rs:64:5 | LL | AliasFixed::<()>::TSVariant(()); @@ -318,7 +318,7 @@ note: type alias defined here, with 0 generic parameters LL | type AliasFixed = Enum<()>; | ^^^^^^^^^^ -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/enum-variant-generic-args.rs:66:5 | LL | AliasFixed::<()>::TSVariant::<()>(()); @@ -395,7 +395,7 @@ LL - AliasFixed::SVariant::<()> { v: () }; LL + AliasFixed::<()>::SVariant { v: () }; | -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/enum-variant-generic-args.rs:82:5 | LL | AliasFixed::<()>::SVariant { v: () }; @@ -409,7 +409,7 @@ note: type alias defined here, with 0 generic parameters LL | type AliasFixed = Enum<()>; | ^^^^^^^^^^ -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/enum-variant-generic-args.rs:84:5 | LL | AliasFixed::<()>::SVariant::<()> { v: () }; @@ -470,7 +470,7 @@ LL | AliasFixed::UVariant::<()>; | | | not allowed on this type -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/enum-variant-generic-args.rs:100:5 | LL | AliasFixed::<()>::UVariant; @@ -484,7 +484,7 @@ note: type alias defined here, with 0 generic parameters LL | type AliasFixed = Enum<()>; | ^^^^^^^^^^ -error[E0107]: this type alias takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: type alias takes 0 generic arguments but 1 generic argument was supplied --> $DIR/enum-variant-generic-args.rs:102:5 | LL | AliasFixed::<()>::UVariant::<()>; diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked.rs b/tests/ui/type-alias-impl-trait/bounds-are-checked.rs index eeb5dca07f0..7c3a3a84406 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked.rs +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked.rs @@ -6,7 +6,6 @@ type X<'a> = impl Into<&'static str> + From<&'a str>; fn f<'a: 'static>(t: &'a str) -> X<'a> { - //~^ WARNING unnecessary lifetime parameter t //~^ ERROR expected generic lifetime parameter, found `'static` } diff --git a/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr b/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr index 94882597a62..962dedde09a 100644 --- a/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr +++ b/tests/ui/type-alias-impl-trait/bounds-are-checked.stderr @@ -1,13 +1,5 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/bounds-are-checked.rs:8:6 - | -LL | fn f<'a: 'static>(t: &'a str) -> X<'a> { - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - error[E0792]: expected generic lifetime parameter, found `'static` - --> $DIR/bounds-are-checked.rs:10:5 + --> $DIR/bounds-are-checked.rs:9:5 | LL | type X<'a> = impl Into<&'static str> + From<&'a str>; | -- cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type @@ -15,6 +7,6 @@ LL | type X<'a> = impl Into<&'static str> + From<&'a str>; LL | t | ^ -error: aborting due to previous error; 1 warning emitted +error: aborting due to previous error For more information about this error, try `rustc --explain E0792`. diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs index 07f825aea50..6f9434255a8 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.rs @@ -4,7 +4,6 @@ mod test_lifetime_param { type Ty<'a> = impl Sized + 'a; fn defining(a: &str) -> Ty<'_> { a } fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } //~^ ERROR: lifetime may not live long enough } @@ -13,14 +12,12 @@ mod test_higher_kinded_lifetime_param { type Ty<'a> = impl Sized + 'a; fn defining(a: &str) -> Ty<'_> { a } fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } //~^ ERROR: lifetime may not live long enough } mod test_higher_kinded_lifetime_param2 { fn assert_static<'a: 'static>() {} - //~^ WARN: unnecessary lifetime parameter `'a` fn test<'a>() { assert_static::<'a>() } //~^ ERROR: lifetime may not live long enough } diff --git a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr index 887620a4d50..399775641f8 100644 --- a/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr +++ b/tests/ui/type-alias-impl-trait/implied_lifetime_wf_check3.stderr @@ -1,41 +1,17 @@ -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:6:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:15:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - -warning: unnecessary lifetime parameter `'a` - --> $DIR/implied_lifetime_wf_check3.rs:22:22 - | -LL | fn assert_static<'a: 'static>() {} - | ^^ - | - = help: you can use the `'static` lifetime directly, in place of `'a` - error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:8:43 + --> $DIR/implied_lifetime_wf_check3.rs:7:43 | LL | fn test<'a>() where Ty<'a>: 'static { assert_static::<'a>() } | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:17:46 + --> $DIR/implied_lifetime_wf_check3.rs:15:46 | LL | fn test<'a>() where for<'b> Ty<'b>: 'a { assert_static::<'a>() } | -- lifetime `'a` defined here ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` error: lifetime may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:24:21 + --> $DIR/implied_lifetime_wf_check3.rs:21:21 | LL | fn test<'a>() { assert_static::<'a>() } | -- ^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'static` @@ -43,7 +19,7 @@ LL | fn test<'a>() { assert_static::<'a>() } | lifetime `'a` defined here error[E0310]: the parameter type `A` may not live long enough - --> $DIR/implied_lifetime_wf_check3.rs:32:41 + --> $DIR/implied_lifetime_wf_check3.rs:29:41 | LL | fn test<A>() where Ty<A>: 'static { assert_static::<A>() } | ^^^^^^^^^^^^^^^^^^ ...so that the type `A` will meet its required lifetime bounds @@ -53,6 +29,6 @@ help: consider adding an explicit lifetime bound... LL | fn test<A: 'static>() where Ty<A>: 'static { assert_static::<A>() } | +++++++++ -error: aborting due to 4 previous errors; 3 warnings emitted +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0310`. diff --git a/tests/ui/type-alias-impl-trait/match-unification.rs b/tests/ui/type-alias-impl-trait/match-unification.rs new file mode 100644 index 00000000000..f5c2abc0efa --- /dev/null +++ b/tests/ui/type-alias-impl-trait/match-unification.rs @@ -0,0 +1,14 @@ +use std::fmt::Debug; + +// check-pass + +fn bar() -> impl Debug {} + +fn baz(b: bool) -> Option<impl Debug> { + match b { + true => baz(false), + false => Some(bar()), + } +} + +fn main() {} diff --git a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr index a31cf1a51cc..ff375b2ff86 100644 --- a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr +++ b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-fn-type.stderr @@ -1,4 +1,4 @@ -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types --> $DIR/type-alias-impl-trait-fn-type.rs:6:20 | LL | type Foo = fn() -> impl Send; diff --git a/tests/ui/type-inference/sort_by_key.stderr b/tests/ui/type-inference/sort_by_key.stderr index 0a48d5756eb..de7b4b24899 100644 --- a/tests/ui/type-inference/sort_by_key.stderr +++ b/tests/ui/type-inference/sort_by_key.stderr @@ -2,7 +2,7 @@ error[E0282]: type annotations needed --> $DIR/sort_by_key.rs:3:40 | LL | lst.sort_by_key(|&(v, _)| v.iter().sum()); - | ^^^ cannot infer type of the type parameter `S` declared on the associated function `sum` + | ^^^ cannot infer type of the type parameter `S` declared on the method `sum` | help: consider specifying the generic argument | diff --git a/tests/ui/type/type-check/point-at-inference-3.fixed b/tests/ui/type/type-check/point-at-inference-3.fixed index 1a960133ceb..edd4adf8bd2 100644 --- a/tests/ui/type/type-check/point-at-inference-3.fixed +++ b/tests/ui/type/type-check/point-at-inference-3.fixed @@ -7,6 +7,6 @@ fn main() { v.push(1i32); //~ ERROR mismatched types //~^ NOTE expected `i32`, found `u32` //~| NOTE arguments to this method are incorrect - //~| NOTE associated function defined here + //~| NOTE method defined here //~| HELP change the type of the numeric literal from `u32` to `i32` } diff --git a/tests/ui/type/type-check/point-at-inference-3.rs b/tests/ui/type/type-check/point-at-inference-3.rs index 92910ae1a31..49d7b50075b 100644 --- a/tests/ui/type/type-check/point-at-inference-3.rs +++ b/tests/ui/type/type-check/point-at-inference-3.rs @@ -7,6 +7,6 @@ fn main() { v.push(1u32); //~ ERROR mismatched types //~^ NOTE expected `i32`, found `u32` //~| NOTE arguments to this method are incorrect - //~| NOTE associated function defined here + //~| NOTE method defined here //~| HELP change the type of the numeric literal from `u32` to `i32` } diff --git a/tests/ui/type/type-check/point-at-inference-3.stderr b/tests/ui/type/type-check/point-at-inference-3.stderr index 999c3148362..2c4907ed263 100644 --- a/tests/ui/type/type-check/point-at-inference-3.stderr +++ b/tests/ui/type/type-check/point-at-inference-3.stderr @@ -9,7 +9,7 @@ LL | v.push(1u32); | | | arguments to this method are incorrect | -note: associated function defined here +note: method defined here --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL help: change the type of the numeric literal from `u32` to `i32` | diff --git a/tests/ui/type/type-check/point-at-inference-4.rs b/tests/ui/type/type-check/point-at-inference-4.rs index 7903e9e83cf..aea9b2c6c14 100644 --- a/tests/ui/type/type-check/point-at-inference-4.rs +++ b/tests/ui/type/type-check/point-at-inference-4.rs @@ -2,7 +2,7 @@ struct S<A, B>(Option<(A, B)>); impl<A, B> S<A, B> { fn infer(&self, a: A, b: B) {} - //~^ NOTE associated function defined here + //~^ NOTE method defined here //~| NOTE //~| NOTE } diff --git a/tests/ui/type/type-check/point-at-inference-4.stderr b/tests/ui/type/type-check/point-at-inference-4.stderr index fac9701e4a1..28833d2ed1c 100644 --- a/tests/ui/type/type-check/point-at-inference-4.stderr +++ b/tests/ui/type/type-check/point-at-inference-4.stderr @@ -4,7 +4,7 @@ error[E0061]: this method takes 2 arguments but 1 argument was supplied LL | s.infer(0i32); | ^^^^^------ an argument is missing | -note: associated function defined here +note: method defined here --> $DIR/point-at-inference-4.rs:4:8 | LL | fn infer(&self, a: A, b: B) {} diff --git a/tests/ui/type/wrong-call-return-type-due-to-generic-arg.stderr b/tests/ui/type/wrong-call-return-type-due-to-generic-arg.stderr index 4d012cb156b..fbe6bfeebb1 100644 --- a/tests/ui/type/wrong-call-return-type-due-to-generic-arg.stderr +++ b/tests/ui/type/wrong-call-return-type-due-to-generic-arg.stderr @@ -95,7 +95,7 @@ LL | let x: u16 = (S {}).method(0u32); | ^^^^^^^^^^^^^^----^ | | | this argument influences the return type of `method` -note: associated function defined here +note: method defined here --> $DIR/wrong-call-return-type-due-to-generic-arg.rs:7:8 | LL | fn method<T>(&self, x: T) -> T { diff --git a/tests/ui/typeck/bad-type-in-vec-push.stderr b/tests/ui/typeck/bad-type-in-vec-push.stderr index 882854acb1d..ae46050c91b 100644 --- a/tests/ui/typeck/bad-type-in-vec-push.stderr +++ b/tests/ui/typeck/bad-type-in-vec-push.stderr @@ -10,7 +10,7 @@ LL | result.push(vector); | = note: expected type `{integer}` found struct `Vec<_>` -note: associated function defined here +note: method defined here --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL error[E0308]: mismatched types @@ -21,7 +21,7 @@ LL | x.push(""); | | | arguments to this method are incorrect | -note: associated function defined here +note: method defined here --> $SRC_DIR/alloc/src/vec/mod.rs:LL:COL error: aborting due to 2 previous errors diff --git a/tests/ui/typeck/issue-104513-ice.stderr b/tests/ui/typeck/issue-104513-ice.stderr index 42cfe38aed8..09187d7863a 100644 --- a/tests/ui/typeck/issue-104513-ice.stderr +++ b/tests/ui/typeck/issue-104513-ice.stderr @@ -4,7 +4,7 @@ error[E0405]: cannot find trait `Oops` in this scope LL | let _: S<impl Oops> = S; | ^^^^ not found in this scope -error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable binding +error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings --> $DIR/issue-104513-ice.rs:3:14 | LL | let _: S<impl Oops> = S; diff --git a/tests/ui/typeck/issue-75883.rs b/tests/ui/typeck/issue-75883.rs index 885acc48231..c50ea0a086b 100644 --- a/tests/ui/typeck/issue-75883.rs +++ b/tests/ui/typeck/issue-75883.rs @@ -4,7 +4,7 @@ pub struct UI {} impl UI { pub fn run() -> Result<_> { - //~^ ERROR: this enum takes 2 generic arguments but 1 generic argument was supplied + //~^ ERROR: enum takes 2 generic arguments but 1 generic argument was supplied //~| ERROR: the placeholder `_` is not allowed within types on item signatures for return types let mut ui = UI {}; ui.interact(); @@ -13,7 +13,7 @@ impl UI { } pub fn interact(&mut self) -> Result<_> { - //~^ ERROR: this enum takes 2 generic arguments but 1 generic argument was supplied + //~^ ERROR: enum takes 2 generic arguments but 1 generic argument was supplied //~| ERROR: the placeholder `_` is not allowed within types on item signatures for return types unimplemented!(); } diff --git a/tests/ui/typeck/issue-75883.stderr b/tests/ui/typeck/issue-75883.stderr index f5adcabe3e9..a1ed0840675 100644 --- a/tests/ui/typeck/issue-75883.stderr +++ b/tests/ui/typeck/issue-75883.stderr @@ -1,4 +1,4 @@ -error[E0107]: this enum takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied --> $DIR/issue-75883.rs:6:21 | LL | pub fn run() -> Result<_> { @@ -11,7 +11,7 @@ help: add missing generic argument LL | pub fn run() -> Result<_, E> { | +++ -error[E0107]: this enum takes 2 generic arguments but 1 generic argument was supplied +error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied --> $DIR/issue-75883.rs:15:35 | LL | pub fn interact(&mut self) -> Result<_> { diff --git a/tests/ui/typeck/issue-84768.stderr b/tests/ui/typeck/issue-84768.stderr index 63936f9979f..3d2d53f5c76 100644 --- a/tests/ui/typeck/issue-84768.stderr +++ b/tests/ui/typeck/issue-84768.stderr @@ -21,7 +21,7 @@ LL | <F as FnOnce(&mut u8)>::call_once(f, 1) | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-^ | | | this argument influences the return type of `FnOnce` -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/ops/function.rs:LL:COL error: aborting due to 2 previous errors diff --git a/tests/ui/typeck/lazy-norm/cast-checks-handling-projections.rs b/tests/ui/typeck/lazy-norm/cast-checks-handling-projections.rs new file mode 100644 index 00000000000..5ff567cd07c --- /dev/null +++ b/tests/ui/typeck/lazy-norm/cast-checks-handling-projections.rs @@ -0,0 +1,6 @@ +// compile-flags: -Ztrait-solver=next +// known-bug: unknown + +fn main() { + (0u8 + 0u8) as char; +} diff --git a/tests/ui/typeck/lazy-norm/cast-checks-handling-projections.stderr b/tests/ui/typeck/lazy-norm/cast-checks-handling-projections.stderr new file mode 100644 index 00000000000..6b09ccd5214 --- /dev/null +++ b/tests/ui/typeck/lazy-norm/cast-checks-handling-projections.stderr @@ -0,0 +1,9 @@ +error[E0271]: type mismatch resolving `char == <u8 as Add>::Output` + --> $DIR/cast-checks-handling-projections.rs:5:5 + | +LL | (0u8 + 0u8) as char; + | ^^^^^^^^^^^ types differ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs b/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs index c463a8ad0c7..7ff9199f63c 100644 --- a/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs +++ b/tests/ui/typeck/typeck-builtin-bound-type-parameters.rs @@ -1,17 +1,17 @@ fn foo1<T:Copy<U>, U>(x: T) {} -//~^ ERROR this trait takes 0 generic arguments but 1 generic argument was supplied +//~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied trait Trait: Copy<dyn Send> {} -//~^ ERROR this trait takes 0 generic arguments but 1 generic argument was supplied +//~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied struct MyStruct1<T: Copy<T>>; -//~^ ERROR this trait takes 0 generic arguments but 1 generic argument was supplied +//~^ ERROR trait takes 0 generic arguments but 1 generic argument was supplied struct MyStruct2<'a, T: Copy<'a>>; -//~^ ERROR this trait takes 0 lifetime arguments but 1 lifetime argument was supplied +//~^ ERROR trait takes 0 lifetime arguments but 1 lifetime argument was supplied fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} -//~^ ERROR this trait takes 0 lifetime arguments but 1 lifetime argument was supplied -//~| ERROR this trait takes 0 generic arguments but 1 generic argument was supplied +//~^ ERROR trait takes 0 lifetime arguments but 1 lifetime argument was supplied +//~| ERROR trait takes 0 generic arguments but 1 generic argument was supplied fn main() { } diff --git a/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr b/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr index 331540d1e42..a71fd953658 100644 --- a/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr +++ b/tests/ui/typeck/typeck-builtin-bound-type-parameters.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:1:11 | LL | fn foo1<T:Copy<U>, U>(x: T) {} @@ -6,7 +6,7 @@ LL | fn foo1<T:Copy<U>, U>(x: T) {} | | | expected 0 generic arguments -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:4:14 | LL | trait Trait: Copy<dyn Send> {} @@ -14,7 +14,7 @@ LL | trait Trait: Copy<dyn Send> {} | | | expected 0 generic arguments -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:7:21 | LL | struct MyStruct1<T: Copy<T>>; @@ -22,7 +22,7 @@ LL | struct MyStruct1<T: Copy<T>>; | | | expected 0 generic arguments -error[E0107]: this trait takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:10:25 | LL | struct MyStruct2<'a, T: Copy<'a>>; @@ -30,7 +30,7 @@ LL | struct MyStruct2<'a, T: Copy<'a>>; | | | expected 0 lifetime arguments -error[E0107]: this trait takes 0 lifetime arguments but 1 lifetime argument was supplied +error[E0107]: trait takes 0 lifetime arguments but 1 lifetime argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:13:15 | LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} @@ -38,7 +38,7 @@ LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} | | | expected 0 lifetime arguments -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/typeck-builtin-bound-type-parameters.rs:13:15 | LL | fn foo2<'a, T:Copy<'a, U>, U>(x: T) {} diff --git a/tests/ui/typeck/typeck_type_placeholder_item.rs b/tests/ui/typeck/typeck_type_placeholder_item.rs index b96c5271339..a450dbb82d1 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item.rs +++ b/tests/ui/typeck/typeck_type_placeholder_item.rs @@ -227,4 +227,6 @@ fn evens_squared(n: usize) -> _ { } const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); -//~^ ERROR the placeholder `_` is not allowed within types on item signatures for constants +//~^ ERROR the trait bound +//~| ERROR the trait bound +//~| ERROR the placeholder diff --git a/tests/ui/typeck/typeck_type_placeholder_item.stderr b/tests/ui/typeck/typeck_type_placeholder_item.stderr index bc02547c65e..bc6c9fd0779 100644 --- a/tests/ui/typeck/typeck_type_placeholder_item.stderr +++ b/tests/ui/typeck/typeck_type_placeholder_item.stderr @@ -437,17 +437,37 @@ LL | fn evens_squared(n: usize) -> _ { | not allowed in type signatures | help: replace with an appropriate return type: `impl Iterator<Item = usize>` -error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants - --> $DIR/typeck_type_placeholder_item.rs:229:10 +error[E0277]: the trait bound `std::ops::Range<{integer}>: Iterator` is not satisfied + --> $DIR/typeck_type_placeholder_item.rs:229:22 | LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); - | ^ not allowed in type signatures + | ^^^^^^ `std::ops::Range<{integer}>` is not an iterator + | + = help: the trait `~const Iterator` is not implemented for `std::ops::Range<{integer}>` +note: the trait `Iterator` is implemented for `std::ops::Range<{integer}>`, but that implementation is not `const` + --> $DIR/typeck_type_placeholder_item.rs:229:14 + | +LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); + | ^^^^^^^ + +error[E0277]: the trait bound `Filter<std::ops::Range<{integer}>, [closure@$DIR/typeck_type_placeholder_item.rs:229:29: 229:32]>: Iterator` is not satisfied + --> $DIR/typeck_type_placeholder_item.rs:229:45 | -note: however, the inferred type `Map<Filter<Range<i32>, [closure@typeck_type_placeholder_item.rs:229:29]>, [closure@typeck_type_placeholder_item.rs:229:49]>` cannot be named +LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); + | ^^^ `Filter<std::ops::Range<{integer}>, [closure@$DIR/typeck_type_placeholder_item.rs:229:29: 229:32]>` is not an iterator + | + = help: the trait `~const Iterator` is not implemented for `Filter<std::ops::Range<{integer}>, [closure@$DIR/typeck_type_placeholder_item.rs:229:29: 229:32]>` +note: the trait `Iterator` is implemented for `Filter<std::ops::Range<{integer}>, [closure@$DIR/typeck_type_placeholder_item.rs:229:29: 229:32]>`, but that implementation is not `const` --> $DIR/typeck_type_placeholder_item.rs:229:14 | LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error[E0121]: the placeholder `_` is not allowed within types on item signatures for constants + --> $DIR/typeck_type_placeholder_item.rs:229:10 + | +LL | const _: _ = (1..10).filter(|x| x % 2 == 0).map(|x| x * x); + | ^ not allowed in type signatures error[E0121]: the placeholder `_` is not allowed within types on item signatures for functions --> $DIR/typeck_type_placeholder_item.rs:140:31 @@ -657,7 +677,7 @@ LL | const D: _ = 42; | not allowed in type signatures | help: replace with the correct type: `i32` -error: aborting due to 71 previous errors +error: aborting due to 73 previous errors -Some errors have detailed explanations: E0121, E0282, E0403. +Some errors have detailed explanations: E0121, E0277, E0282, E0403. For more information about an error, try `rustc --explain E0121`. diff --git a/tests/ui/typeck/typeck_type_placeholder_lifetime_1.rs b/tests/ui/typeck/typeck_type_placeholder_lifetime_1.rs index 43e46c5b6c3..90b12ffdf77 100644 --- a/tests/ui/typeck/typeck_type_placeholder_lifetime_1.rs +++ b/tests/ui/typeck/typeck_type_placeholder_lifetime_1.rs @@ -7,5 +7,5 @@ struct Foo<'a, T:'a> { pub fn main() { let c: Foo<_, _> = Foo { r: &5 }; - //~^ ERROR this struct takes 1 generic argument but 2 generic arguments were supplied + //~^ ERROR struct takes 1 generic argument but 2 generic arguments were supplied } diff --git a/tests/ui/typeck/typeck_type_placeholder_lifetime_1.stderr b/tests/ui/typeck/typeck_type_placeholder_lifetime_1.stderr index a89c6b85c78..c4e4aed2067 100644 --- a/tests/ui/typeck/typeck_type_placeholder_lifetime_1.stderr +++ b/tests/ui/typeck/typeck_type_placeholder_lifetime_1.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied --> $DIR/typeck_type_placeholder_lifetime_1.rs:9:12 | LL | let c: Foo<_, _> = Foo { r: &5 }; diff --git a/tests/ui/typeck/typeck_type_placeholder_lifetime_2.rs b/tests/ui/typeck/typeck_type_placeholder_lifetime_2.rs index 178b8b1229a..e361312ddba 100644 --- a/tests/ui/typeck/typeck_type_placeholder_lifetime_2.rs +++ b/tests/ui/typeck/typeck_type_placeholder_lifetime_2.rs @@ -7,5 +7,5 @@ struct Foo<'a, T:'a> { pub fn main() { let c: Foo<_, usize> = Foo { r: &5 }; - //~^ ERROR this struct takes 1 generic argument but 2 generic arguments were supplied + //~^ ERROR struct takes 1 generic argument but 2 generic arguments were supplied } diff --git a/tests/ui/typeck/typeck_type_placeholder_lifetime_2.stderr b/tests/ui/typeck/typeck_type_placeholder_lifetime_2.stderr index f30766bdf01..302231777bd 100644 --- a/tests/ui/typeck/typeck_type_placeholder_lifetime_2.stderr +++ b/tests/ui/typeck/typeck_type_placeholder_lifetime_2.stderr @@ -1,4 +1,4 @@ -error[E0107]: this struct takes 1 generic argument but 2 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 2 generic arguments were supplied --> $DIR/typeck_type_placeholder_lifetime_2.rs:9:12 | LL | let c: Foo<_, usize> = Foo { r: &5 }; diff --git a/tests/ui/ufcs/ufcs-qpath-missing-params.rs b/tests/ui/ufcs/ufcs-qpath-missing-params.rs index 766351634bb..6ab6580c0e6 100644 --- a/tests/ui/ufcs/ufcs-qpath-missing-params.rs +++ b/tests/ui/ufcs/ufcs-qpath-missing-params.rs @@ -15,6 +15,6 @@ fn main() { //~^ ERROR missing generics for <String as IntoCow>::into_cow::<str>("foo".to_string()); - //~^ ERROR this associated function takes 0 generic arguments but 1 + //~^ ERROR method takes 0 generic arguments but 1 //~| ERROR missing generics for } diff --git a/tests/ui/ufcs/ufcs-qpath-missing-params.stderr b/tests/ui/ufcs/ufcs-qpath-missing-params.stderr index d0ec47d6132..2338871218b 100644 --- a/tests/ui/ufcs/ufcs-qpath-missing-params.stderr +++ b/tests/ui/ufcs/ufcs-qpath-missing-params.stderr @@ -30,7 +30,7 @@ help: add missing generic argument LL | <String as IntoCow<B>>::into_cow::<str>("foo".to_string()); | +++ -error[E0107]: this associated function takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: method takes 0 generic arguments but 1 generic argument was supplied --> $DIR/ufcs-qpath-missing-params.rs:17:26 | LL | <String as IntoCow>::into_cow::<str>("foo".to_string()); @@ -38,7 +38,7 @@ LL | <String as IntoCow>::into_cow::<str>("foo".to_string()); | | | expected 0 generic arguments | -note: associated function defined here, with 0 generic parameters +note: method defined here, with 0 generic parameters --> $DIR/ufcs-qpath-missing-params.rs:4:8 | LL | fn into_cow(self) -> Cow<'a, B>; diff --git a/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr b/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr index e85144a31ca..96ac4321689 100644 --- a/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr +++ b/tests/ui/ufcs/ufcs-qpath-self-mismatch.stderr @@ -28,7 +28,7 @@ LL | <i32 as Add<i32>>::add(1u32, 2); | ^^^^^^^^^^^^^^^^^^^^^^^----^^^^ | | | this argument influences the return type of `Add` -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/ops/arith.rs:LL:COL help: change the type of the numeric literal from `u32` to `i32` | @@ -50,7 +50,7 @@ LL | <i32 as Add<i32>>::add(1, 2u32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^----^ | | | this argument influences the return type of `Add` -note: associated function defined here +note: method defined here --> $SRC_DIR/core/src/ops/arith.rs:LL:COL help: change the type of the numeric literal from `u32` to `i32` | diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs index 65f40075bd8..c575f507704 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.rs @@ -28,7 +28,7 @@ fn test<'a,'b>() { } fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) { - //~^ ERROR this trait takes 1 lifetime argument but 0 lifetime arguments were supplied + //~^ ERROR trait takes 1 lifetime argument but 0 lifetime arguments were supplied // Here, the omitted lifetimes are expanded to distinct things. same_type(x, y) } diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr index 016fc4dfb24..8814617814c 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-region.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 1 lifetime argument but 0 lifetime arguments were supplied +error[E0107]: trait takes 1 lifetime argument but 0 lifetime arguments were supplied --> $DIR/unboxed-closure-sugar-region.rs:30:51 | LL | fn test2(x: &dyn Foo<(isize,),Output=()>, y: &dyn Foo(isize)) { diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.rs index 462f6fb7b87..14d5646b508 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.rs @@ -7,7 +7,7 @@ struct Bar<A> { fn bar() { let x: Box<Bar()> = panic!(); //~^ ERROR parenthesized type parameters may only be used with a `Fn` trait - //~| ERROR this struct takes 1 generic argument but 0 generic arguments + //~| ERROR struct takes 1 generic argument but 0 generic arguments } fn main() { } diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.stderr index 29ea5735cad..27b22c2127b 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct-1.stderr @@ -4,7 +4,7 @@ error[E0214]: parenthesized type parameters may only be used with a `Fn` trait LL | let x: Box<Bar()> = panic!(); | ^^^^^ only `Fn` traits may use parentheses -error[E0107]: this struct takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/unboxed-closure-sugar-used-on-struct-1.rs:8:16 | LL | let x: Box<Bar()> = panic!(); diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.rs index bd61cbd8022..657b29204cd 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.rs @@ -6,7 +6,7 @@ struct Bar<A> { fn foo(b: Box<Bar()>) { //~^ ERROR parenthesized type parameters may only be used with a `Fn` trait - //~| ERROR this struct takes 1 generic argument but 0 generic arguments + //~| ERROR struct takes 1 generic argument but 0 generic arguments } fn main() { } diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.stderr index 427ba3414f8..94e42a66c9e 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-used-on-struct.stderr @@ -4,7 +4,7 @@ error[E0214]: parenthesized type parameters may only be used with a `Fn` trait LL | fn foo(b: Box<Bar()>) { | ^^^^^ only `Fn` traits may use parentheses -error[E0107]: this struct takes 1 generic argument but 0 generic arguments were supplied +error[E0107]: struct takes 1 generic argument but 0 generic arguments were supplied --> $DIR/unboxed-closure-sugar-used-on-struct.rs:7:15 | LL | fn foo(b: Box<Bar()>) { diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.rs index f26ad8e93a1..dd47ae73a38 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.rs @@ -3,7 +3,7 @@ trait Three<A,B,C> { fn dummy(&self) -> (A,B,C); } fn foo(_: &dyn Three()) -//~^ ERROR this trait takes 3 generic arguments but 1 generic argument +//~^ ERROR trait takes 3 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found {} diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.stderr index ebaacf0a698..5d7fe3fa533 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters-3.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 3 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 3 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters-3.rs:5:16 | LL | fn foo(_: &dyn Three()) diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs index 4465b43a757..2c7e12f3257 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.rs @@ -3,25 +3,25 @@ trait Zero { fn dummy(&self); } fn foo1(_: dyn Zero()) { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Zero` } fn foo2(_: dyn Zero<usize>) { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument } fn foo3(_: dyn Zero < usize >) { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument } fn foo4(_: dyn Zero(usize)) { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Zero` } fn foo5(_: dyn Zero ( usize )) { - //~^ ERROR this trait takes 0 generic arguments but 1 generic argument + //~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Zero` } diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr index 9601e64c189..50b90553aa7 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-number-number-type-parameters.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:5:16 | LL | fn foo1(_: dyn Zero()) { @@ -18,7 +18,7 @@ error[E0220]: associated type `Output` not found for `Zero` LL | fn foo1(_: dyn Zero()) { | ^^^^^^ associated type `Output` not found -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:10:16 | LL | fn foo2(_: dyn Zero<usize>) { @@ -32,7 +32,7 @@ note: trait defined here, with 0 generic parameters LL | trait Zero { fn dummy(&self); } | ^^^^ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:14:16 | LL | fn foo3(_: dyn Zero < usize >) { @@ -46,7 +46,7 @@ note: trait defined here, with 0 generic parameters LL | trait Zero { fn dummy(&self); } | ^^^^ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:18:16 | LL | fn foo4(_: dyn Zero(usize)) { @@ -66,7 +66,7 @@ error[E0220]: associated type `Output` not found for `Zero` LL | fn foo4(_: dyn Zero(usize)) { | ^^^^^^^^^^^ associated type `Output` not found -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-number-number-type-parameters.rs:23:16 | LL | fn foo5(_: dyn Zero ( usize )) { diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.rs b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.rs index 4bcf90552f9..ad60b0a0c77 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.rs +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.rs @@ -3,7 +3,7 @@ trait Trait {} fn f<F:Trait(isize) -> isize>(x: F) {} -//~^ ERROR this trait takes 0 generic arguments but 1 generic argument +//~^ ERROR trait takes 0 generic arguments but 1 generic argument //~| ERROR associated type `Output` not found for `Trait` fn main() {} diff --git a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.stderr b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.stderr index 3ff05fb2331..130b193d69c 100644 --- a/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.stderr +++ b/tests/ui/unboxed-closures/unboxed-closure-sugar-wrong-trait.stderr @@ -1,4 +1,4 @@ -error[E0107]: this trait takes 0 generic arguments but 1 generic argument was supplied +error[E0107]: trait takes 0 generic arguments but 1 generic argument was supplied --> $DIR/unboxed-closure-sugar-wrong-trait.rs:5:8 | LL | fn f<F:Trait(isize) -> isize>(x: F) {} diff --git a/tests/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr b/tests/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr index 635ebbb71d0..846a44ce4d7 100644 --- a/tests/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr +++ b/tests/ui/unboxed-closures/unboxed-closures-infer-fn-once-move-from-projection.stderr @@ -14,7 +14,7 @@ note: required by a bound in `foo` --> $DIR/unboxed-closures-infer-fn-once-move-from-projection.rs:4:14 | LL | fn foo<F>(f: F) - | --- required by a bound in this + | --- required by a bound in this function LL | where F: Fn() | ^^^^ required by this bound in `foo` diff --git a/tests/ui/unsized/issue-71659.stderr b/tests/ui/unsized/issue-71659.stderr index d7b95f55769..b57b3015e47 100644 --- a/tests/ui/unsized/issue-71659.stderr +++ b/tests/ui/unsized/issue-71659.stderr @@ -8,7 +8,7 @@ note: required by a bound in `Cast::cast` --> $DIR/issue-71659.rs:19:15 | LL | fn cast<T: ?Sized>(&self) -> &T - | ---- required by a bound in this + | ---- required by a bound in this associated function LL | where LL | Self: CastTo<T>, | ^^^^^^^^^ required by this bound in `Cast::cast` diff --git a/tests/ui/where-clauses/higher-ranked-fn-type.quiet.stderr b/tests/ui/where-clauses/higher-ranked-fn-type.quiet.stderr index 30248a7a397..191a8ca8ebc 100644 --- a/tests/ui/where-clauses/higher-ranked-fn-type.quiet.stderr +++ b/tests/ui/where-clauses/higher-ranked-fn-type.quiet.stderr @@ -8,7 +8,7 @@ note: required by a bound in `called` --> $DIR/higher-ranked-fn-type.rs:12:25 | LL | fn called() - | ------ required by a bound in this + | ------ required by a bound in this function LL | where LL | for<'b> fn(&'b ()): Foo, | ^^^ required by this bound in `called` diff --git a/tests/ui/where-clauses/higher-ranked-fn-type.verbose.stderr b/tests/ui/where-clauses/higher-ranked-fn-type.verbose.stderr index 268cef6e275..f4c7acd5c58 100644 --- a/tests/ui/where-clauses/higher-ranked-fn-type.verbose.stderr +++ b/tests/ui/where-clauses/higher-ranked-fn-type.verbose.stderr @@ -8,7 +8,7 @@ note: required by a bound in `called` --> $DIR/higher-ranked-fn-type.rs:12:25 | LL | fn called() - | ------ required by a bound in this + | ------ required by a bound in this function LL | where LL | for<'b> fn(&'b ()): Foo, | ^^^ required by this bound in `called` diff --git a/tests/ui/xc-private-method2.rs b/tests/ui/xc-private-method2.rs index 92946923f6e..f11b251082b 100644 --- a/tests/ui/xc-private-method2.rs +++ b/tests/ui/xc-private-method2.rs @@ -4,8 +4,8 @@ extern crate xc_private_method_lib; fn main() { let _ = xc_private_method_lib::Struct{ x: 10 }.meth_struct(); - //~^ ERROR associated function `meth_struct` is private + //~^ ERROR method `meth_struct` is private let _ = xc_private_method_lib::Enum::Variant1(20).meth_enum(); - //~^ ERROR associated function `meth_enum` is private + //~^ ERROR method `meth_enum` is private } diff --git a/tests/ui/xc-private-method2.stderr b/tests/ui/xc-private-method2.stderr index b569882f8c1..af0c3cfcb2c 100644 --- a/tests/ui/xc-private-method2.stderr +++ b/tests/ui/xc-private-method2.stderr @@ -1,24 +1,24 @@ -error[E0624]: associated function `meth_struct` is private +error[E0624]: method `meth_struct` is private --> $DIR/xc-private-method2.rs:6:52 | LL | let _ = xc_private_method_lib::Struct{ x: 10 }.meth_struct(); - | ^^^^^^^^^^^ private associated function + | ^^^^^^^^^^^ private method | ::: $DIR/auxiliary/xc-private-method-lib.rs:12:5 | LL | fn meth_struct(&self) -> isize { - | ------------------------------ private associated function defined here + | ------------------------------ private method defined here -error[E0624]: associated function `meth_enum` is private +error[E0624]: method `meth_enum` is private --> $DIR/xc-private-method2.rs:9:55 | LL | let _ = xc_private_method_lib::Enum::Variant1(20).meth_enum(); - | ^^^^^^^^^ private associated function + | ^^^^^^^^^ private method | ::: $DIR/auxiliary/xc-private-method-lib.rs:27:5 | LL | fn meth_enum(&self) -> isize { - | ---------------------------- private associated function defined here + | ---------------------------- private method defined here error: aborting due to 2 previous errors diff --git a/triagebot.toml b/triagebot.toml index 8a9d9403366..7a26457ab04 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -538,6 +538,7 @@ diagnostics = [ "@TaKO8Ki", ] parser = [ + "@compiler-errors", "@davidtwco", "@nnethercote", "@petrochenkov", @@ -567,6 +568,7 @@ borrowck = [ "@pnkfelix", ] ast_lowering = [ + "@compiler-errors", "@spastorino", ] fallback = [ @@ -630,7 +632,7 @@ style-team = [ "/src/stage0.json" = ["bootstrap"] "/tests/ui" = ["compiler"] "/src/tools/cargo" = ["@ehuss", "@joshtriplett"] -"/src/tools/compiletest" = ["bootstrap", "@wesleywiser", "@oli-obk"] +"/src/tools/compiletest" = ["bootstrap", "@wesleywiser", "@oli-obk", "@compiler-errors"] "/src/tools/linkchecker" = ["@ehuss"] "/src/tools/rust-installer" = ["bootstrap"] "/src/tools/rustbook" = ["@ehuss"] |