diff options
277 files changed, 4168 insertions, 1796 deletions
diff --git a/.editorconfig b/.editorconfig index ef8ed24c52a..1b137cf4ebe 100644 --- a/.editorconfig +++ b/.editorconfig @@ -7,9 +7,18 @@ root = true [*] end_of_line = lf charset = utf-8 -trim_trailing_whitespace = true insert_final_newline = true +# some tests need trailing whitespace in output snapshots +[!tests/] +trim_trailing_whitespace = true +# for actual source code files of test, we still don't want trailing whitespace +[tests/**.{rs,js}] +trim_trailing_whitespace = true +# these specific source files need to have trailing whitespace. +[tests/ui/{frontmatter/frontmatter-whitespace-3.rs,parser/shebang/shebang-space.rs}] +trim_trailing_whitespace = false + [!src/llvm-project] indent_style = space indent_size = 4 diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 6ce543071d8..df5dda76eb7 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -52,7 +52,7 @@ jobs: run_type: ${{ steps.jobs.outputs.run_type }} steps: - name: Checkout the source code - uses: actions/checkout@v4 + uses: actions/checkout@v5 - name: Test citool # Only test citool on the auto branch, to reduce latency of the calculate matrix job # on PR/try builds. @@ -113,7 +113,7 @@ jobs: run: git config --global core.autocrlf false - name: checkout the source code - uses: actions/checkout@v4 + uses: actions/checkout@v5 with: fetch-depth: 2 @@ -313,7 +313,7 @@ jobs: if: ${{ !cancelled() && contains(fromJSON('["auto", "try"]'), needs.calculate_matrix.outputs.run_type) }} steps: - name: checkout the source code - uses: actions/checkout@v4 + uses: actions/checkout@v5 with: fetch-depth: 2 # Calculate the exit status of the whole CI workflow. diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml index 9d4b6192d6e..80ffd67e04e 100644 --- a/.github/workflows/dependencies.yml +++ b/.github/workflows/dependencies.yml @@ -51,7 +51,7 @@ jobs: runs-on: ubuntu-24.04 steps: - name: checkout the source code - uses: actions/checkout@v4 + uses: actions/checkout@v5 with: submodules: recursive - name: install the bootstrap toolchain @@ -101,7 +101,7 @@ jobs: pull-requests: write steps: - name: checkout the source code - uses: actions/checkout@v4 + uses: actions/checkout@v5 - name: download Cargo.lock from update job uses: actions/download-artifact@v4 diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml index 6d050d98cb2..a89867efe66 100644 --- a/.github/workflows/ghcr.yml +++ b/.github/workflows/ghcr.yml @@ -29,7 +29,7 @@ jobs: # Needed to write to the ghcr.io registry packages: write steps: - - uses: actions/checkout@v4 + - uses: actions/checkout@v5 with: persist-credentials: false diff --git a/.github/workflows/post-merge.yml b/.github/workflows/post-merge.yml index ca088ba31fd..12ff4be4f1e 100644 --- a/.github/workflows/post-merge.yml +++ b/.github/workflows/post-merge.yml @@ -15,7 +15,7 @@ jobs: permissions: pull-requests: write steps: - - uses: actions/checkout@v4 + - uses: actions/checkout@v5 with: # Make sure that we have enough commits to find the parent merge commit. # Since all merges should be through merge commits, fetching two commits diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index 8160ed3cc46..87c9c797ea5 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -3661,15 +3661,19 @@ pub struct TyAlias { #[derive(Clone, Encodable, Decodable, Debug)] pub struct Impl { + pub generics: Generics, + pub of_trait: Option<Box<TraitImplHeader>>, + pub self_ty: Box<Ty>, + pub items: ThinVec<Box<AssocItem>>, +} + +#[derive(Clone, Encodable, Decodable, Debug)] +pub struct TraitImplHeader { pub defaultness: Defaultness, pub safety: Safety, - pub generics: Generics, pub constness: Const, pub polarity: ImplPolarity, - /// The trait being implemented, if any. - pub of_trait: Option<TraitRef>, - pub self_ty: Box<Ty>, - pub items: ThinVec<Box<AssocItem>>, + pub trait_ref: TraitRef, } #[derive(Clone, Encodable, Decodable, Debug, Default, Walkable)] @@ -3793,7 +3797,7 @@ pub enum ItemKind { /// An implementation. /// /// E.g., `impl<A> Foo<A> { .. }` or `impl<A> Trait for Foo<A> { .. }`. - Impl(Box<Impl>), + Impl(Impl), /// A macro invocation. /// /// E.g., `foo!(..)`. @@ -3880,7 +3884,7 @@ impl ItemKind { | Self::Union(_, generics, _) | Self::Trait(box Trait { generics, .. }) | Self::TraitAlias(_, generics, _) - | Self::Impl(box Impl { generics, .. }) => Some(generics), + | Self::Impl(Impl { generics, .. }) => Some(generics), _ => None, } } @@ -4040,7 +4044,7 @@ mod size_asserts { static_assert_size!(GenericArg, 24); static_assert_size!(GenericBound, 88); static_assert_size!(Generics, 40); - static_assert_size!(Impl, 136); + static_assert_size!(Impl, 64); static_assert_size!(Item, 144); static_assert_size!(ItemKind, 80); static_assert_size!(LitKind, 24); @@ -4053,6 +4057,7 @@ mod size_asserts { static_assert_size!(PathSegment, 24); static_assert_size!(Stmt, 32); static_assert_size!(StmtKind, 16); + static_assert_size!(TraitImplHeader, 80); static_assert_size!(Ty, 64); static_assert_size!(TyKind, 40); // tidy-alphabetical-end diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index 5fdce27db53..68b3d2b0368 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -929,8 +929,13 @@ macro_rules! common_visitor_and_walkers { } impl_walkable!(|&$($mut)? $($lt)? self: Impl, vis: &mut V| { - let Impl { defaultness, safety, generics, constness, polarity, of_trait, self_ty, items } = self; - visit_visitable!($($mut)? vis, defaultness, safety, generics, constness, polarity, of_trait, self_ty); + let Impl { generics, of_trait, self_ty, items } = self; + try_visit!(vis.visit_generics(generics)); + if let Some(box of_trait) = of_trait { + let TraitImplHeader { defaultness, safety, constness, polarity, trait_ref } = of_trait; + visit_visitable!($($mut)? vis, defaultness, safety, constness, polarity, trait_ref); + } + try_visit!(vis.visit_ty(self_ty)); visit_visitable_with!($($mut)? vis, items, AssocCtxt::Impl { of_trait: of_trait.is_some() }); V::Result::output() }); diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index ac6fac4c08e..235573c96e4 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -340,13 +340,9 @@ impl<'hir> LoweringContext<'_, 'hir> { ); hir::ItemKind::Union(ident, generics, vdata) } - ItemKind::Impl(box Impl { - safety, - polarity, - defaultness, - constness, + ItemKind::Impl(Impl { generics: ast_generics, - of_trait: trait_ref, + of_trait, self_ty: ty, items: impl_items, }) => { @@ -364,54 +360,30 @@ impl<'hir> LoweringContext<'_, 'hir> { // lifetime to be added, but rather a reference to a // parent lifetime. let itctx = ImplTraitContext::Universal; - let (generics, (trait_ref, lowered_ty)) = + let (generics, (of_trait, lowered_ty)) = self.lower_generics(ast_generics, id, itctx, |this| { - let modifiers = TraitBoundModifiers { - constness: BoundConstness::Never, - asyncness: BoundAsyncness::Normal, - // we don't use this in bound lowering - polarity: BoundPolarity::Positive, - }; - - let trait_ref = trait_ref.as_ref().map(|trait_ref| { - this.lower_trait_ref( - modifiers, - trait_ref, - ImplTraitContext::Disallowed(ImplTraitPosition::Trait), - ) - }); + let of_trait = of_trait + .as_deref() + .map(|of_trait| this.lower_trait_impl_header(of_trait)); let lowered_ty = this.lower_ty( ty, ImplTraitContext::Disallowed(ImplTraitPosition::ImplSelf), ); - (trait_ref, lowered_ty) + (of_trait, lowered_ty) }); let new_impl_items = self .arena .alloc_from_iter(impl_items.iter().map(|item| self.lower_impl_item_ref(item))); - // `defaultness.has_value()` is never called for an `impl`, always `true` in order - // to not cause an assertion failure inside the `lower_defaultness` function. - let has_val = true; - let (defaultness, defaultness_span) = self.lower_defaultness(*defaultness, has_val); - let polarity = match polarity { - ImplPolarity::Positive => ImplPolarity::Positive, - ImplPolarity::Negative(s) => ImplPolarity::Negative(self.lower_span(*s)), - }; - hir::ItemKind::Impl(self.arena.alloc(hir::Impl { - constness: self.lower_constness(*constness), - safety: self.lower_safety(*safety, hir::Safety::Safe), - polarity, - defaultness, - defaultness_span, + hir::ItemKind::Impl(hir::Impl { generics, - of_trait: trait_ref, + of_trait, self_ty: lowered_ty, items: new_impl_items, - })) + }) } ItemKind::Trait(box Trait { constness, @@ -982,6 +954,44 @@ impl<'hir> LoweringContext<'_, 'hir> { self.expr(span, hir::ExprKind::Err(guar)) } + fn lower_trait_impl_header( + &mut self, + trait_impl_header: &TraitImplHeader, + ) -> &'hir hir::TraitImplHeader<'hir> { + let TraitImplHeader { constness, safety, polarity, defaultness, ref trait_ref } = + *trait_impl_header; + let constness = self.lower_constness(constness); + let safety = self.lower_safety(safety, hir::Safety::Safe); + let polarity = match polarity { + ImplPolarity::Positive => ImplPolarity::Positive, + ImplPolarity::Negative(s) => ImplPolarity::Negative(self.lower_span(s)), + }; + // `defaultness.has_value()` is never called for an `impl`, always `true` in order + // to not cause an assertion failure inside the `lower_defaultness` function. + let has_val = true; + let (defaultness, defaultness_span) = self.lower_defaultness(defaultness, has_val); + let modifiers = TraitBoundModifiers { + constness: BoundConstness::Never, + asyncness: BoundAsyncness::Normal, + // we don't use this in bound lowering + polarity: BoundPolarity::Positive, + }; + let trait_ref = self.lower_trait_ref( + modifiers, + trait_ref, + ImplTraitContext::Disallowed(ImplTraitPosition::Trait), + ); + + self.arena.alloc(hir::TraitImplHeader { + constness, + safety, + polarity, + defaultness, + defaultness_span, + trait_ref, + }) + } + fn lower_impl_item( &mut self, i: &AssocItem, diff --git a/compiler/rustc_ast_passes/messages.ftl b/compiler/rustc_ast_passes/messages.ftl index 53e64439afc..340a1a239c5 100644 --- a/compiler/rustc_ast_passes/messages.ftl +++ b/compiler/rustc_ast_passes/messages.ftl @@ -175,11 +175,6 @@ ast_passes_generic_default_trailing = generic parameters with a default must be ast_passes_incompatible_features = `{$f1}` and `{$f2}` are incompatible, using them at the same time is not allowed .help = remove one of these features -ast_passes_inherent_cannot_be = inherent impls cannot be {$annotation} - .because = {$annotation} because of this - .type = inherent impl for this type - .only_trait = only trait implementations may be annotated with {$annotation} - ast_passes_item_invalid_safety = items outside of `unsafe extern {"{ }"}` cannot be declared with `safe` safety qualifier .suggestion = remove safe from this item diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index 9d3b0969ef3..dc2eb17589c 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -954,13 +954,16 @@ impl<'a> Visitor<'a> for AstValidator<'a> { } match &item.kind { - ItemKind::Impl(box Impl { - safety, - polarity, - defaultness: _, - constness, + ItemKind::Impl(Impl { generics, - of_trait: Some(t), + of_trait: + Some(box TraitImplHeader { + safety, + polarity, + defaultness: _, + constness, + trait_ref: t, + }), self_ty, items, }) => { @@ -992,46 +995,12 @@ impl<'a> Visitor<'a> for AstValidator<'a> { walk_list!(this, visit_assoc_item, items, AssocCtxt::Impl { of_trait: true }); }); } - ItemKind::Impl(box Impl { - safety, - polarity, - defaultness, - constness, - generics, - of_trait: None, - self_ty, - items, - }) => { - let error = |annotation_span, annotation, only_trait| errors::InherentImplCannot { - span: self_ty.span, - annotation_span, - annotation, - self_ty: self_ty.span, - only_trait, - }; - + ItemKind::Impl(Impl { generics, of_trait: None, self_ty, items }) => { self.visit_attrs_vis(&item.attrs, &item.vis); self.visibility_not_permitted( &item.vis, errors::VisibilityNotPermittedNote::IndividualImplItems, ); - if let &Safety::Unsafe(span) = safety { - self.dcx().emit_err(errors::InherentImplCannotUnsafe { - span: self_ty.span, - annotation_span: span, - annotation: "unsafe", - self_ty: self_ty.span, - }); - } - if let &ImplPolarity::Negative(span) = polarity { - self.dcx().emit_err(error(span, "negative", false)); - } - if let &Defaultness::Default(def_span) = defaultness { - self.dcx().emit_err(error(def_span, "`default`", true)); - } - if let &Const::Yes(span) = constness { - self.dcx().emit_err(error(span, "`const`", true)); - } self.with_tilde_const(Some(TildeConstReason::Impl { span: item.span }), |this| { this.visit_generics(generics) diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index 60f47490f12..1cb2493afe8 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -465,32 +465,6 @@ pub(crate) struct UnsafeNegativeImpl { } #[derive(Diagnostic)] -#[diag(ast_passes_inherent_cannot_be)] -pub(crate) struct InherentImplCannot<'a> { - #[primary_span] - pub span: Span, - #[label(ast_passes_because)] - pub annotation_span: Span, - pub annotation: &'a str, - #[label(ast_passes_type)] - pub self_ty: Span, - #[note(ast_passes_only_trait)] - pub only_trait: bool, -} - -#[derive(Diagnostic)] -#[diag(ast_passes_inherent_cannot_be, code = E0197)] -pub(crate) struct InherentImplCannotUnsafe<'a> { - #[primary_span] - pub span: Span, - #[label(ast_passes_because)] - pub annotation_span: Span, - pub annotation: &'a str, - #[label(ast_passes_type)] - pub self_ty: Span, -} - -#[derive(Diagnostic)] #[diag(ast_passes_unsafe_item)] pub(crate) struct UnsafeItem { #[primary_span] diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 662357ce884..c9344a76a7b 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -217,18 +217,18 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { } } - ast::ItemKind::Impl(box ast::Impl { polarity, defaultness, of_trait, .. }) => { - if let &ast::ImplPolarity::Negative(span) = polarity { + ast::ItemKind::Impl(ast::Impl { of_trait: Some(of_trait), .. }) => { + if let ast::ImplPolarity::Negative(span) = of_trait.polarity { gate!( &self, negative_impls, - span.to(of_trait.as_ref().map_or(span, |t| t.path.span)), + span.to(of_trait.trait_ref.path.span), "negative trait bounds are not fully implemented; \ use marker types for now" ); } - if let ast::Defaultness::Default(_) = defaultness { + if let ast::Defaultness::Default(_) = of_trait.defaultness { gate!(&self, specialization, i.span, "specialization is unstable"); } } diff --git a/compiler/rustc_ast_pretty/src/pprust/state/item.rs b/compiler/rustc_ast_pretty/src/pprust/state/item.rs index 6e34d1b61db..ab402cbb8dc 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state/item.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state/item.rs @@ -308,39 +308,41 @@ impl<'a> State<'a> { let (cb, ib) = self.head(visibility_qualified(&item.vis, "union")); self.print_struct(struct_def, generics, *ident, item.span, true, cb, ib); } - ast::ItemKind::Impl(box ast::Impl { - safety, - polarity, - defaultness, - constness, - generics, - of_trait, - self_ty, - items, - }) => { + ast::ItemKind::Impl(ast::Impl { generics, of_trait, self_ty, items }) => { let (cb, ib) = self.head(""); self.print_visibility(&item.vis); - self.print_defaultness(*defaultness); - self.print_safety(*safety); - self.word("impl"); - - if generics.params.is_empty() { - self.nbsp(); - } else { - self.print_generic_params(&generics.params); - self.space(); - } - self.print_constness(*constness); + let impl_generics = |this: &mut Self| { + this.word("impl"); - if let ast::ImplPolarity::Negative(_) = polarity { - self.word("!"); - } - - if let Some(t) = of_trait { - self.print_trait_ref(t); + if generics.params.is_empty() { + this.nbsp(); + } else { + this.print_generic_params(&generics.params); + this.space(); + } + }; + + if let Some(box of_trait) = of_trait { + let ast::TraitImplHeader { + defaultness, + safety, + constness, + polarity, + ref trait_ref, + } = *of_trait; + self.print_defaultness(defaultness); + self.print_safety(safety); + impl_generics(self); + self.print_constness(constness); + if let ast::ImplPolarity::Negative(_) = polarity { + self.word("!"); + } + self.print_trait_ref(trait_ref); self.space(); self.word_space("for"); + } else { + impl_generics(self); } self.print_type(self_ty); diff --git a/compiler/rustc_attr_parsing/messages.ftl b/compiler/rustc_attr_parsing/messages.ftl index 35ff48cb5f2..de22ea322c7 100644 --- a/compiler/rustc_attr_parsing/messages.ftl +++ b/compiler/rustc_attr_parsing/messages.ftl @@ -132,6 +132,7 @@ attr_parsing_unknown_version_literal = attr_parsing_unrecognized_repr_hint = unrecognized representation hint .help = valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + .note = for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> attr_parsing_unstable_cfg_target_compact = compact `cfg(target(..))` is experimental and subject to change diff --git a/compiler/rustc_attr_parsing/src/attributes/allow_unstable.rs b/compiler/rustc_attr_parsing/src/attributes/allow_unstable.rs index 95104b896ac..b3393e93de8 100644 --- a/compiler/rustc_attr_parsing/src/attributes/allow_unstable.rs +++ b/compiler/rustc_attr_parsing/src/attributes/allow_unstable.rs @@ -15,7 +15,7 @@ impl<S: Stage> CombineAttributeParser<S> for AllowInternalUnstableParser { type Item = (Symbol, Span); const CONVERT: ConvertFn<Self::Item> = |items, span| AttributeKind::AllowInternalUnstable(items, span); - const TEMPLATE: AttributeTemplate = template!(Word, List: "feat1, feat2, ..."); + const TEMPLATE: AttributeTemplate = template!(Word, List: &["feat1, feat2, ..."]); fn extend<'c>( cx: &'c mut AcceptContext<'_, '_, S>, @@ -32,7 +32,7 @@ impl<S: Stage> CombineAttributeParser<S> for UnstableFeatureBoundParser { const PATH: &'static [rustc_span::Symbol] = &[sym::unstable_feature_bound]; type Item = (Symbol, Span); const CONVERT: ConvertFn<Self::Item> = |items, _| AttributeKind::UnstableFeatureBound(items); - const TEMPLATE: AttributeTemplate = template!(Word, List: "feat1, feat2, ..."); + const TEMPLATE: AttributeTemplate = template!(Word, List: &["feat1, feat2, ..."]); fn extend<'c>( cx: &'c mut AcceptContext<'_, '_, S>, @@ -53,7 +53,7 @@ impl<S: Stage> CombineAttributeParser<S> for AllowConstFnUnstableParser { type Item = Symbol; const CONVERT: ConvertFn<Self::Item> = |items, first_span| AttributeKind::AllowConstFnUnstable(items, first_span); - const TEMPLATE: AttributeTemplate = template!(Word, List: "feat1, feat2, ..."); + const TEMPLATE: AttributeTemplate = template!(Word, List: &["feat1, feat2, ..."]); fn extend<'c>( cx: &'c mut AcceptContext<'_, '_, S>, diff --git a/compiler/rustc_attr_parsing/src/attributes/cfg.rs b/compiler/rustc_attr_parsing/src/attributes/cfg.rs index 947be28bc95..695ee666476 100644 --- a/compiler/rustc_attr_parsing/src/attributes/cfg.rs +++ b/compiler/rustc_attr_parsing/src/attributes/cfg.rs @@ -16,7 +16,10 @@ use crate::{ CfgMatchesLintEmitter, fluent_generated, parse_version, session_diagnostics, try_gate_cfg, }; -pub const CFG_TEMPLATE: AttributeTemplate = template!(List: "predicate"); +pub const CFG_TEMPLATE: AttributeTemplate = template!( + List: &["predicate"], + "https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute" +); pub fn parse_cfg_attr<'c, S: Stage>( cx: &'c mut AcceptContext<'_, '_, S>, diff --git a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs index c5fb11dbf6a..a9f77195d1b 100644 --- a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs @@ -17,7 +17,7 @@ impl<S: Stage> SingleAttributeParser<S> for OptimizeParser { const PATH: &[Symbol] = &[sym::optimize]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(List: "size|speed|none"); + const TEMPLATE: AttributeTemplate = template!(List: &["size", "speed", "none"]); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let Some(list) = args.list() else { @@ -253,7 +253,7 @@ pub(crate) struct UsedParser { impl<S: Stage> AttributeParser<S> for UsedParser { const ATTRIBUTES: AcceptMapping<Self, S> = &[( &[sym::used], - template!(Word, List: "compiler|linker"), + template!(Word, List: &["compiler", "linker"]), |group: &mut Self, cx, args| { let used_by = match args { ArgParser::NoArgs => UsedBy::Linker, @@ -327,7 +327,7 @@ impl<S: Stage> CombineAttributeParser<S> for TargetFeatureParser { type Item = (Symbol, Span); const PATH: &[Symbol] = &[sym::target_feature]; const CONVERT: ConvertFn<Self::Item> = |items, span| AttributeKind::TargetFeature(items, span); - const TEMPLATE: AttributeTemplate = template!(List: "enable = \"feat1, feat2\""); + const TEMPLATE: AttributeTemplate = template!(List: &["enable = \"feat1, feat2\""]); fn extend<'c>( cx: &'c mut AcceptContext<'_, '_, S>, diff --git a/compiler/rustc_attr_parsing/src/attributes/confusables.rs b/compiler/rustc_attr_parsing/src/attributes/confusables.rs index 7d24c89a6e8..edd22172ca2 100644 --- a/compiler/rustc_attr_parsing/src/attributes/confusables.rs +++ b/compiler/rustc_attr_parsing/src/attributes/confusables.rs @@ -16,7 +16,7 @@ pub(crate) struct ConfusablesParser { impl<S: Stage> AttributeParser<S> for ConfusablesParser { const ATTRIBUTES: AcceptMapping<Self, S> = &[( &[sym::rustc_confusables], - template!(List: r#""name1", "name2", ..."#), + template!(List: &[r#""name1", "name2", ..."#]), |this, cx, args| { let Some(list) = args.list() else { cx.expected_list(cx.attr_span); diff --git a/compiler/rustc_attr_parsing/src/attributes/deprecation.rs b/compiler/rustc_attr_parsing/src/attributes/deprecation.rs index 38ec4bd5645..e57ea8bbb5c 100644 --- a/compiler/rustc_attr_parsing/src/attributes/deprecation.rs +++ b/compiler/rustc_attr_parsing/src/attributes/deprecation.rs @@ -40,7 +40,7 @@ impl<S: Stage> SingleAttributeParser<S> for DeprecationParser { const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; const TEMPLATE: AttributeTemplate = template!( Word, - List: r#"/*opt*/ since = "version", /*opt*/ note = "reason""#, + List: &[r#"since = "version""#, r#"note = "reason""#, r#"since = "version", note = "reason""#], NameValueStr: "reason" ); diff --git a/compiler/rustc_attr_parsing/src/attributes/inline.rs b/compiler/rustc_attr_parsing/src/attributes/inline.rs index 8437713206e..e9a45f20bff 100644 --- a/compiler/rustc_attr_parsing/src/attributes/inline.rs +++ b/compiler/rustc_attr_parsing/src/attributes/inline.rs @@ -18,7 +18,11 @@ impl<S: Stage> SingleAttributeParser<S> for InlineParser { const PATH: &'static [Symbol] = &[sym::inline]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(Word, List: "always|never"); + const TEMPLATE: AttributeTemplate = template!( + Word, + List: &["always", "never"], + "https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { match args { @@ -59,7 +63,7 @@ impl<S: Stage> SingleAttributeParser<S> for RustcForceInlineParser { const PATH: &'static [Symbol] = &[sym::rustc_force_inline]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(Word, List: "reason", NameValueStr: "reason"); + const TEMPLATE: AttributeTemplate = template!(Word, List: &["reason"], NameValueStr: "reason"); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let reason = match args { diff --git a/compiler/rustc_attr_parsing/src/attributes/link_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/link_attrs.rs index 7eab3090870..d406c30b83e 100644 --- a/compiler/rustc_attr_parsing/src/attributes/link_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/link_attrs.rs @@ -16,7 +16,10 @@ impl<S: Stage> SingleAttributeParser<S> for LinkNameParser { const PATH: &[Symbol] = &[sym::link_name]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepInnermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(NameValueStr: "name"); + const TEMPLATE: AttributeTemplate = template!( + NameValueStr: "name", + "https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_name-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let Some(nv) = args.name_value() else { @@ -38,7 +41,10 @@ impl<S: Stage> SingleAttributeParser<S> for LinkSectionParser { const PATH: &[Symbol] = &[sym::link_section]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepInnermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(NameValueStr: "name"); + const TEMPLATE: AttributeTemplate = template!( + NameValueStr: "name", + "https://doc.rust-lang.org/reference/abi.html#the-link_section-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let Some(nv) = args.name_value() else { @@ -94,7 +100,10 @@ impl<S: Stage> SingleAttributeParser<S> for LinkOrdinalParser { const PATH: &[Symbol] = &[sym::link_ordinal]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; - const TEMPLATE: AttributeTemplate = template!(List: "ordinal"); + const TEMPLATE: AttributeTemplate = template!( + List: &["ordinal"], + "https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let ordinal = parse_single_integer(cx, args)?; diff --git a/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs index 886f7a889d3..a1166bf9ac5 100644 --- a/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/macro_attrs.rs @@ -31,7 +31,10 @@ pub(crate) struct MacroUseParser { first_span: Option<Span>, } -const MACRO_USE_TEMPLATE: AttributeTemplate = template!(Word, List: "name1, name2, ..."); +const MACRO_USE_TEMPLATE: AttributeTemplate = template!( + Word, List: &["name1, name2, ..."], + "https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute" +); impl<S: Stage> AttributeParser<S> for MacroUseParser { const ATTRIBUTES: AcceptMapping<Self, S> = &[( @@ -113,3 +116,11 @@ impl<S: Stage> AttributeParser<S> for MacroUseParser { Some(AttributeKind::MacroUse { span: self.first_span?, arguments: self.state }) } } + +pub(crate) struct AllowInternalUnsafeParser; + +impl<S: Stage> NoArgsAttributeParser<S> for AllowInternalUnsafeParser { + const PATH: &[Symbol] = &[sym::allow_internal_unsafe]; + const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Ignore; + const CREATE: fn(Span) -> AttributeKind = |span| AttributeKind::AllowInternalUnsafe(span); +} diff --git a/compiler/rustc_attr_parsing/src/attributes/must_use.rs b/compiler/rustc_attr_parsing/src/attributes/must_use.rs index d767abbc250..c88bb5a69e5 100644 --- a/compiler/rustc_attr_parsing/src/attributes/must_use.rs +++ b/compiler/rustc_attr_parsing/src/attributes/must_use.rs @@ -14,7 +14,10 @@ impl<S: Stage> SingleAttributeParser<S> for MustUseParser { const PATH: &[Symbol] = &[sym::must_use]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(Word, NameValueStr: "reason"); + const TEMPLATE: AttributeTemplate = template!( + Word, NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#the-must_use-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { Some(AttributeKind::MustUse { diff --git a/compiler/rustc_attr_parsing/src/attributes/path.rs b/compiler/rustc_attr_parsing/src/attributes/path.rs index 5700d780d71..c1c3de8cbfc 100644 --- a/compiler/rustc_attr_parsing/src/attributes/path.rs +++ b/compiler/rustc_attr_parsing/src/attributes/path.rs @@ -12,7 +12,10 @@ impl<S: Stage> SingleAttributeParser<S> for PathParser { const PATH: &[Symbol] = &[sym::path]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = template!(NameValueStr: "file"); + const TEMPLATE: AttributeTemplate = template!( + NameValueStr: "file", + "https://doc.rust-lang.org/reference/items/modules.html#the-path-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let Some(nv) = args.name_value() else { diff --git a/compiler/rustc_attr_parsing/src/attributes/proc_macro_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/proc_macro_attrs.rs index b156a7c5845..b267980914c 100644 --- a/compiler/rustc_attr_parsing/src/attributes/proc_macro_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/proc_macro_attrs.rs @@ -28,8 +28,10 @@ impl<S: Stage> SingleAttributeParser<S> for ProcMacroDeriveParser { const PATH: &[Symbol] = &[sym::proc_macro_derive]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; - const TEMPLATE: AttributeTemplate = - template!(List: "TraitName, /*opt*/ attributes(name1, name2, ...)"); + const TEMPLATE: AttributeTemplate = template!( + List: &["TraitName", "TraitName, attributes(name1, name2, ...)"], + "https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let (trait_name, helper_attrs) = parse_derive_like(cx, args, true)?; @@ -47,7 +49,7 @@ impl<S: Stage> SingleAttributeParser<S> for RustcBuiltinMacroParser { const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; const TEMPLATE: AttributeTemplate = - template!(List: "TraitName, /*opt*/ attributes(name1, name2, ...)"); + template!(List: &["TraitName", "TraitName, attributes(name1, name2, ...)"]); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let (builtin_name, helper_attrs) = parse_derive_like(cx, args, false)?; diff --git a/compiler/rustc_attr_parsing/src/attributes/repr.rs b/compiler/rustc_attr_parsing/src/attributes/repr.rs index 6087afe6ded..996d2af5f37 100644 --- a/compiler/rustc_attr_parsing/src/attributes/repr.rs +++ b/compiler/rustc_attr_parsing/src/attributes/repr.rs @@ -26,8 +26,10 @@ impl<S: Stage> CombineAttributeParser<S> for ReprParser { const CONVERT: ConvertFn<Self::Item> = |items, first_span| AttributeKind::Repr { reprs: items, first_span }; // FIXME(jdonszelmann): never used - const TEMPLATE: AttributeTemplate = - template!(List: "C | Rust | align(...) | packed(...) | <integer type> | transparent"); + const TEMPLATE: AttributeTemplate = template!( + List: &["C", "Rust", "transparent", "align(...)", "packed(...)", "<integer type>"], + "https://doc.rust-lang.org/reference/type-layout.html#representations" + ); fn extend<'c>( cx: &'c mut AcceptContext<'_, '_, S>, @@ -275,7 +277,7 @@ pub(crate) struct AlignParser(Option<(Align, Span)>); impl AlignParser { const PATH: &'static [Symbol] = &[sym::rustc_align]; - const TEMPLATE: AttributeTemplate = template!(List: "<alignment in bytes>"); + const TEMPLATE: AttributeTemplate = template!(List: &["<alignment in bytes>"]); fn parse<'c, S: Stage>( &mut self, diff --git a/compiler/rustc_attr_parsing/src/attributes/rustc_internal.rs b/compiler/rustc_attr_parsing/src/attributes/rustc_internal.rs index b465d2e62ff..1a668b4416f 100644 --- a/compiler/rustc_attr_parsing/src/attributes/rustc_internal.rs +++ b/compiler/rustc_attr_parsing/src/attributes/rustc_internal.rs @@ -12,7 +12,7 @@ impl<S: Stage> SingleAttributeParser<S> for RustcLayoutScalarValidRangeStart { const PATH: &'static [Symbol] = &[sym::rustc_layout_scalar_valid_range_start]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepInnermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; - const TEMPLATE: AttributeTemplate = template!(List: "start"); + const TEMPLATE: AttributeTemplate = template!(List: &["start"]); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { parse_single_integer(cx, args) @@ -26,7 +26,7 @@ impl<S: Stage> SingleAttributeParser<S> for RustcLayoutScalarValidRangeEnd { const PATH: &'static [Symbol] = &[sym::rustc_layout_scalar_valid_range_end]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepInnermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; - const TEMPLATE: AttributeTemplate = template!(List: "end"); + const TEMPLATE: AttributeTemplate = template!(List: &["end"]); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { parse_single_integer(cx, args) diff --git a/compiler/rustc_attr_parsing/src/attributes/stability.rs b/compiler/rustc_attr_parsing/src/attributes/stability.rs index 3c4ec133d51..c6707f5048b 100644 --- a/compiler/rustc_attr_parsing/src/attributes/stability.rs +++ b/compiler/rustc_attr_parsing/src/attributes/stability.rs @@ -48,7 +48,7 @@ impl<S: Stage> AttributeParser<S> for StabilityParser { const ATTRIBUTES: AcceptMapping<Self, S> = &[ ( &[sym::stable], - template!(List: r#"feature = "name", since = "version""#), + template!(List: &[r#"feature = "name", since = "version""#]), |this, cx, args| { reject_outside_std!(cx); if !this.check_duplicate(cx) @@ -60,7 +60,7 @@ impl<S: Stage> AttributeParser<S> for StabilityParser { ), ( &[sym::unstable], - template!(List: r#"feature = "name", reason = "...", issue = "N""#), + template!(List: &[r#"feature = "name", reason = "...", issue = "N""#]), |this, cx, args| { reject_outside_std!(cx); if !this.check_duplicate(cx) @@ -131,7 +131,7 @@ pub(crate) struct BodyStabilityParser { impl<S: Stage> AttributeParser<S> for BodyStabilityParser { const ATTRIBUTES: AcceptMapping<Self, S> = &[( &[sym::rustc_default_body_unstable], - template!(List: r#"feature = "name", reason = "...", issue = "N""#), + template!(List: &[r#"feature = "name", reason = "...", issue = "N""#]), |this, cx, args| { reject_outside_std!(cx); if this.stability.is_some() { @@ -177,29 +177,37 @@ impl ConstStabilityParser { impl<S: Stage> AttributeParser<S> for ConstStabilityParser { const ATTRIBUTES: AcceptMapping<Self, S> = &[ - (&[sym::rustc_const_stable], template!(List: r#"feature = "name""#), |this, cx, args| { - reject_outside_std!(cx); + ( + &[sym::rustc_const_stable], + template!(List: &[r#"feature = "name""#]), + |this, cx, args| { + reject_outside_std!(cx); - if !this.check_duplicate(cx) - && let Some((feature, level)) = parse_stability(cx, args) - { - this.stability = Some(( - PartialConstStability { level, feature, promotable: false }, - cx.attr_span, - )); - } - }), - (&[sym::rustc_const_unstable], template!(List: r#"feature = "name""#), |this, cx, args| { - reject_outside_std!(cx); - if !this.check_duplicate(cx) - && let Some((feature, level)) = parse_unstability(cx, args) - { - this.stability = Some(( - PartialConstStability { level, feature, promotable: false }, - cx.attr_span, - )); - } - }), + if !this.check_duplicate(cx) + && let Some((feature, level)) = parse_stability(cx, args) + { + this.stability = Some(( + PartialConstStability { level, feature, promotable: false }, + cx.attr_span, + )); + } + }, + ), + ( + &[sym::rustc_const_unstable], + template!(List: &[r#"feature = "name""#]), + |this, cx, args| { + reject_outside_std!(cx); + if !this.check_duplicate(cx) + && let Some((feature, level)) = parse_unstability(cx, args) + { + this.stability = Some(( + PartialConstStability { level, feature, promotable: false }, + cx.attr_span, + )); + } + }, + ), (&[sym::rustc_promotable], template!(Word), |this, cx, _| { reject_outside_std!(cx); this.promotable = true; diff --git a/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs index 77b494328c7..3267855fb0d 100644 --- a/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/test_attrs.rs @@ -13,7 +13,10 @@ impl<S: Stage> SingleAttributeParser<S> for IgnoreParser { const PATH: &[Symbol] = &[sym::ignore]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Warn; - const TEMPLATE: AttributeTemplate = template!(Word, NameValueStr: "reason"); + const TEMPLATE: AttributeTemplate = template!( + Word, NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/testing.html#the-ignore-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { Some(AttributeKind::Ignore { @@ -51,8 +54,10 @@ impl<S: Stage> SingleAttributeParser<S> for ShouldPanicParser { const PATH: &[Symbol] = &[sym::should_panic]; const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::WarnButFutureError; - const TEMPLATE: AttributeTemplate = - template!(Word, List: r#"expected = "reason""#, NameValueStr: "reason"); + const TEMPLATE: AttributeTemplate = template!( + Word, List: &[r#"expected = "reason""#], NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute" + ); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { Some(AttributeKind::ShouldPanic { diff --git a/compiler/rustc_attr_parsing/src/attributes/traits.rs b/compiler/rustc_attr_parsing/src/attributes/traits.rs index a954617ca57..8514d799aa4 100644 --- a/compiler/rustc_attr_parsing/src/attributes/traits.rs +++ b/compiler/rustc_attr_parsing/src/attributes/traits.rs @@ -16,7 +16,7 @@ impl<S: Stage> SingleAttributeParser<S> for SkipDuringMethodDispatchParser { const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepInnermost; const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; - const TEMPLATE: AttributeTemplate = template!(List: "array, boxed_slice"); + const TEMPLATE: AttributeTemplate = template!(List: &["array, boxed_slice"]); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let mut array = false; diff --git a/compiler/rustc_attr_parsing/src/attributes/transparency.rs b/compiler/rustc_attr_parsing/src/attributes/transparency.rs index 1c57dc1ebe2..d4d68eb8b27 100644 --- a/compiler/rustc_attr_parsing/src/attributes/transparency.rs +++ b/compiler/rustc_attr_parsing/src/attributes/transparency.rs @@ -19,7 +19,7 @@ impl<S: Stage> SingleAttributeParser<S> for TransparencyParser { cx.dcx().span_err(vec![used, unused], "multiple macro transparency attributes"); }); const TEMPLATE: AttributeTemplate = - template!(NameValueStr: "transparent|semitransparent|opaque"); + template!(NameValueStr: ["transparent", "semitransparent", "opaque"]); fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { let Some(nv) = args.name_value() else { diff --git a/compiler/rustc_attr_parsing/src/context.rs b/compiler/rustc_attr_parsing/src/context.rs index 80dfdffdb55..1420753a44e 100644 --- a/compiler/rustc_attr_parsing/src/context.rs +++ b/compiler/rustc_attr_parsing/src/context.rs @@ -33,7 +33,9 @@ use crate::attributes::lint_helpers::{ AsPtrParser, AutomaticallyDerivedParser, PassByValueParser, PubTransparentParser, }; use crate::attributes::loop_match::{ConstContinueParser, LoopMatchParser}; -use crate::attributes::macro_attrs::{MacroEscapeParser, MacroUseParser}; +use crate::attributes::macro_attrs::{ + AllowInternalUnsafeParser, MacroEscapeParser, MacroUseParser, +}; use crate::attributes::must_use::MustUseParser; use crate::attributes::no_implicit_prelude::NoImplicitPreludeParser; use crate::attributes::non_exhaustive::NonExhaustiveParser; @@ -178,6 +180,7 @@ attribute_parsers!( Single<SkipDuringMethodDispatchParser>, Single<TransparencyParser>, Single<WithoutArgs<AllowIncoherentImplParser>>, + Single<WithoutArgs<AllowInternalUnsafeParser>>, Single<WithoutArgs<AsPtrParser>>, Single<WithoutArgs<AutomaticallyDerivedParser>>, Single<WithoutArgs<CoherenceIsCoreParser>>, diff --git a/compiler/rustc_attr_parsing/src/session_diagnostics.rs b/compiler/rustc_attr_parsing/src/session_diagnostics.rs index 1de25ca252b..41179844152 100644 --- a/compiler/rustc_attr_parsing/src/session_diagnostics.rs +++ b/compiler/rustc_attr_parsing/src/session_diagnostics.rs @@ -498,6 +498,7 @@ pub(crate) struct ReprIdent { #[derive(Diagnostic)] #[diag(attr_parsing_unrecognized_repr_hint, code = E0552)] #[help] +#[note] pub(crate) struct UnrecognizedReprHint { #[primary_span] pub span: Span, @@ -690,6 +691,9 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AttributeParseError { } } + if let Some(link) = self.template.docs { + diag.note(format!("for more information, visit <{link}>")); + } let suggestions = self.template.suggestions(false, &name); diag.span_suggestions( self.attr_span, diff --git a/compiler/rustc_builtin_macros/src/cfg_accessible.rs b/compiler/rustc_builtin_macros/src/cfg_accessible.rs index 5f203dd5d11..f7d8f4aa783 100644 --- a/compiler/rustc_builtin_macros/src/cfg_accessible.rs +++ b/compiler/rustc_builtin_macros/src/cfg_accessible.rs @@ -44,7 +44,7 @@ impl MultiItemModifier for Expander { item: Annotatable, _is_derive_const: bool, ) -> ExpandResult<Vec<Annotatable>, Annotatable> { - let template = AttributeTemplate { list: Some("path"), ..Default::default() }; + let template = AttributeTemplate { list: Some(&["path"]), ..Default::default() }; validate_attr::check_builtin_meta_item( &ecx.sess.psess, meta_item, diff --git a/compiler/rustc_builtin_macros/src/derive.rs b/compiler/rustc_builtin_macros/src/derive.rs index e259f5b3955..a33eca43de5 100644 --- a/compiler/rustc_builtin_macros/src/derive.rs +++ b/compiler/rustc_builtin_macros/src/derive.rs @@ -34,8 +34,10 @@ impl MultiItemModifier for Expander { let (sess, features) = (ecx.sess, ecx.ecfg.features); let result = ecx.resolver.resolve_derives(ecx.current_expansion.id, ecx.force_mode, &|| { - let template = - AttributeTemplate { list: Some("Trait1, Trait2, ..."), ..Default::default() }; + let template = AttributeTemplate { + list: Some(&["Trait1, Trait2, ..."]), + ..Default::default() + }; validate_attr::check_builtin_meta_item( &sess.psess, meta_item, diff --git a/compiler/rustc_builtin_macros/src/deriving/coerce_pointee.rs b/compiler/rustc_builtin_macros/src/deriving/coerce_pointee.rs index 6082e376435..75db5d77783 100644 --- a/compiler/rustc_builtin_macros/src/deriving/coerce_pointee.rs +++ b/compiler/rustc_builtin_macros/src/deriving/coerce_pointee.rs @@ -108,11 +108,7 @@ pub(crate) fn expand_deriving_coerce_pointee( cx.item( span, attrs.clone(), - ast::ItemKind::Impl(Box::new(ast::Impl { - safety: ast::Safety::Default, - polarity: ast::ImplPolarity::Positive, - defaultness: ast::Defaultness::Final, - constness: ast::Const::No, + ast::ItemKind::Impl(ast::Impl { generics: Generics { params: generics .params @@ -137,10 +133,16 @@ pub(crate) fn expand_deriving_coerce_pointee( where_clause: generics.where_clause.clone(), span: generics.span, }, - of_trait: Some(trait_ref), + of_trait: Some(Box::new(ast::TraitImplHeader { + safety: ast::Safety::Default, + polarity: ast::ImplPolarity::Positive, + defaultness: ast::Defaultness::Final, + constness: ast::Const::No, + trait_ref, + })), self_ty: self_type.clone(), items: ThinVec::new(), - })), + }), ), )); } @@ -152,16 +154,18 @@ pub(crate) fn expand_deriving_coerce_pointee( let item = cx.item( span, attrs.clone(), - ast::ItemKind::Impl(Box::new(ast::Impl { - safety: ast::Safety::Default, - polarity: ast::ImplPolarity::Positive, - defaultness: ast::Defaultness::Final, - constness: ast::Const::No, + ast::ItemKind::Impl(ast::Impl { generics, - of_trait: Some(trait_ref), + of_trait: Some(Box::new(ast::TraitImplHeader { + safety: ast::Safety::Default, + polarity: ast::ImplPolarity::Positive, + defaultness: ast::Defaultness::Final, + constness: ast::Const::No, + trait_ref, + })), self_ty: self_type.clone(), items: ThinVec::new(), - })), + }), ); push(Annotatable::Item(item)); }; diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index 3f4b47152c4..3fcf9da9450 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -826,21 +826,25 @@ impl<'a> TraitDef<'a> { ) } - let opt_trait_ref = Some(trait_ref); - cx.item( self.span, attrs, - ast::ItemKind::Impl(Box::new(ast::Impl { - safety: ast::Safety::Default, - polarity: ast::ImplPolarity::Positive, - defaultness: ast::Defaultness::Final, - constness: if self.is_const { ast::Const::Yes(DUMMY_SP) } else { ast::Const::No }, + ast::ItemKind::Impl(ast::Impl { generics: trait_generics, - of_trait: opt_trait_ref, + of_trait: Some(Box::new(ast::TraitImplHeader { + safety: ast::Safety::Default, + polarity: ast::ImplPolarity::Positive, + defaultness: ast::Defaultness::Final, + constness: if self.is_const { + ast::Const::Yes(DUMMY_SP) + } else { + ast::Const::No + }, + trait_ref, + })), self_ty: self_type, items: methods.into_iter().chain(associated_types).collect(), - })), + }), ) } diff --git a/compiler/rustc_codegen_ssa/messages.ftl b/compiler/rustc_codegen_ssa/messages.ftl index 3ca070acc9d..b6cfea88363 100644 --- a/compiler/rustc_codegen_ssa/messages.ftl +++ b/compiler/rustc_codegen_ssa/messages.ftl @@ -401,6 +401,9 @@ codegen_ssa_version_script_write_failure = failed to write version script: {$err codegen_ssa_visual_studio_not_installed = you may need to install Visual Studio build tools with the "C++ build tools" workload +codegen_ssa_xcrun_about = + the SDK is needed by the linker to know where to find symbols in system libraries and for embedding the SDK version in the final object file + codegen_ssa_xcrun_command_line_tools_insufficient = when compiling for iOS, tvOS, visionOS or watchOS, you need a full installation of Xcode diff --git a/compiler/rustc_codegen_ssa/src/back/apple.rs b/compiler/rustc_codegen_ssa/src/back/apple.rs index 2f68bad1695..2274450e20e 100644 --- a/compiler/rustc_codegen_ssa/src/back/apple.rs +++ b/compiler/rustc_codegen_ssa/src/back/apple.rs @@ -160,6 +160,10 @@ pub(super) fn add_version_to_llvm_target( pub(super) fn get_sdk_root(sess: &Session) -> Option<PathBuf> { let sdk_name = sdk_name(&sess.target); + // Attempt to invoke `xcrun` to find the SDK. + // + // Note that when cross-compiling from e.g. Linux, the `xcrun` binary may sometimes be provided + // as a shim by a cross-compilation helper tool. It usually isn't, but we still try nonetheless. match xcrun_show_sdk_path(sdk_name, sess.verbose_internals()) { Ok((path, stderr)) => { // Emit extra stderr, such as if `-verbose` was passed, or if `xcrun` emitted a warning. @@ -169,7 +173,19 @@ pub(super) fn get_sdk_root(sess: &Session) -> Option<PathBuf> { Some(path) } Err(err) => { - let mut diag = sess.dcx().create_err(err); + // Failure to find the SDK is not a hard error, since the user might have specified it + // in a manner unknown to us (moreso if cross-compiling): + // - A compiler driver like `zig cc` which links using an internally bundled SDK. + // - Extra linker arguments (`-Clink-arg=-syslibroot`). + // - A custom linker or custom compiler driver. + // + // Though we still warn, since such cases are uncommon, and it is very hard to debug if + // you do not know the details. + // + // FIXME(madsmtm): Make this a lint, to allow deny warnings to work. + // (Or fix <https://github.com/rust-lang/rust/issues/21204>). + let mut diag = sess.dcx().create_warn(err); + diag.note(fluent::codegen_ssa_xcrun_about); // Recognize common error cases, and give more Rust-specific error messages for those. if let Some(developer_dir) = xcode_select_developer_dir() { @@ -209,6 +225,8 @@ fn xcrun_show_sdk_path( sdk_name: &'static str, verbose: bool, ) -> Result<(PathBuf, String), XcrunError> { + // Intentionally invoke the `xcrun` in PATH, since e.g. nixpkgs provide an `xcrun` shim, so we + // don't want to require `/usr/bin/xcrun`. let mut cmd = Command::new("xcrun"); if verbose { cmd.arg("--verbose"); @@ -280,7 +298,7 @@ fn stdout_to_path(mut stdout: Vec<u8>) -> PathBuf { } #[cfg(unix)] let path = <OsString as std::os::unix::ffi::OsStringExt>::from_vec(stdout); - #[cfg(not(unix))] // Unimportant, this is only used on macOS - let path = OsString::from(String::from_utf8(stdout).unwrap()); + #[cfg(not(unix))] // Not so important, this is mostly used on macOS + let path = OsString::from(String::from_utf8(stdout).expect("stdout must be UTF-8")); PathBuf::from(path) } diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 3ec0d900994..4ebe59dc2a7 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -3194,39 +3194,60 @@ fn add_apple_link_args(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavo } fn add_apple_sdk(cmd: &mut dyn Linker, sess: &Session, flavor: LinkerFlavor) -> Option<PathBuf> { - let os = &sess.target.os; - if sess.target.vendor != "apple" - || !matches!(os.as_ref(), "ios" | "tvos" | "watchos" | "visionos" | "macos") - || !matches!(flavor, LinkerFlavor::Darwin(..)) - { + if !sess.target.is_like_darwin { return None; } - - if os == "macos" && !matches!(flavor, LinkerFlavor::Darwin(Cc::No, _)) { + let LinkerFlavor::Darwin(cc, _) = flavor else { return None; - } - - let sdk_root = sess.time("get_apple_sdk_root", || get_apple_sdk_root(sess))?; + }; - match flavor { - LinkerFlavor::Darwin(Cc::Yes, _) => { - // Use `-isysroot` instead of `--sysroot`, as only the former - // makes Clang treat it as a platform SDK. - // - // This is admittedly a bit strange, as on most targets - // `-isysroot` only applies to include header files, but on Apple - // targets this also applies to libraries and frameworks. - cmd.cc_arg("-isysroot"); - cmd.cc_arg(&sdk_root); - } - LinkerFlavor::Darwin(Cc::No, _) => { - cmd.link_arg("-syslibroot"); - cmd.link_arg(&sdk_root); - } - _ => unreachable!(), + // The default compiler driver on macOS is at `/usr/bin/cc`. This is a trampoline binary that + // effectively invokes `xcrun cc` internally to look up both the compiler binary and the SDK + // root from the current Xcode installation. When cross-compiling, when `rustc` is invoked + // inside Xcode, or when invoking the linker directly, this default logic is unsuitable, so + // instead we invoke `xcrun` manually. + // + // (Note that this doesn't mean we get a duplicate lookup here - passing `SDKROOT` below will + // cause the trampoline binary to skip looking up the SDK itself). + let sdkroot = sess.time("get_apple_sdk_root", || get_apple_sdk_root(sess))?; + + if cc == Cc::Yes { + // There are a few options to pass the SDK root when linking with a C/C++ compiler: + // - The `--sysroot` flag. + // - The `-isysroot` flag. + // - The `SDKROOT` environment variable. + // + // `--sysroot` isn't actually enough to get Clang to treat it as a platform SDK, you need + // to specify `-isysroot`. This is admittedly a bit strange, as on most targets `-isysroot` + // only applies to include header files, but on Apple targets it also applies to libraries + // and frameworks. + // + // This leaves the choice between `-isysroot` and `SDKROOT`. Both are supported by Clang and + // GCC, though they may not be supported by all compiler drivers. We choose `SDKROOT`, + // primarily because that is the same interface that is used when invoking the tool under + // `xcrun -sdk macosx $tool`. + // + // In that sense, if a given compiler driver does not support `SDKROOT`, the blame is fairly + // clearly in the tool in question, since they also don't support being run under `xcrun`. + // + // Additionally, `SDKROOT` is an environment variable and thus optional. It also has lower + // precedence than `-isysroot`, so a custom compiler driver that does not support it and + // instead figures out the SDK on their own can easily do so by using `-isysroot`. + // + // (This in particular affects Clang built with the `DEFAULT_SYSROOT` CMake flag, such as + // the one provided by some versions of Homebrew's `llvm` package. Those will end up + // ignoring the value we set here, and instead use their built-in sysroot). + cmd.cmd().env("SDKROOT", &sdkroot); + } else { + // When invoking the linker directly, we use the `-syslibroot` parameter. `SDKROOT` is not + // read by the linker, so it's really the only option. + // + // This is also what Clang does. + cmd.link_arg("-syslibroot"); + cmd.link_arg(&sdkroot); } - Some(sdk_root) + Some(sdkroot) } fn get_apple_sdk_root(sess: &Session) -> Option<PathBuf> { @@ -3255,7 +3276,13 @@ fn get_apple_sdk_root(sess: &Session) -> Option<PathBuf> { } "macosx" if sdkroot.contains("iPhoneOS.platform") - || sdkroot.contains("iPhoneSimulator.platform") => {} + || sdkroot.contains("iPhoneSimulator.platform") + || sdkroot.contains("AppleTVOS.platform") + || sdkroot.contains("AppleTVSimulator.platform") + || sdkroot.contains("WatchOS.platform") + || sdkroot.contains("WatchSimulator.platform") + || sdkroot.contains("XROS.platform") + || sdkroot.contains("XRSimulator.platform") => {} "watchos" if sdkroot.contains("WatchSimulator.platform") || sdkroot.contains("MacOSX.platform") => {} diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 7e124f65324..0494666bda9 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -569,7 +569,7 @@ fn symbol_export_level(tcx: TyCtxt<'_>, sym_def_id: DefId) -> SymbolExportLevel // core/std/allocators/etc. For example symbols used to hook up allocation // are not considered for export let codegen_fn_attrs = tcx.codegen_fn_attrs(sym_def_id); - let is_extern = codegen_fn_attrs.contains_extern_indicator(); + let is_extern = codegen_fn_attrs.contains_extern_indicator(tcx, sym_def_id); let std_internal = codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL); diff --git a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs index 7f54a47327a..287787eb3d1 100644 --- a/compiler/rustc_codegen_ssa/src/codegen_attrs.rs +++ b/compiler/rustc_codegen_ssa/src/codegen_attrs.rs @@ -443,6 +443,27 @@ fn apply_overrides(tcx: TyCtxt<'_>, did: LocalDefId, codegen_fn_attrs: &mut Code if tcx.should_inherit_track_caller(did) { codegen_fn_attrs.flags |= CodegenFnAttrFlags::TRACK_CALLER; } + + // Foreign items by default use no mangling for their symbol name. + if tcx.is_foreign_item(did) { + // There's a few exceptions to this rule though: + if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) { + // * `#[rustc_std_internal_symbol]` mangles the symbol name in a special way + // both for exports and imports through foreign items. This is handled further, + // during symbol mangling logic. + } else if codegen_fn_attrs.link_name.is_some() { + // * This can be overridden with the `#[link_name]` attribute + } else { + // NOTE: there's one more exception that we cannot apply here. On wasm, + // some items cannot be `no_mangle`. + // However, we don't have enough information here to determine that. + // As such, no_mangle foreign items on wasm that have the same defid as some + // import will *still* be mangled despite this. + // + // if none of the exceptions apply; apply no_mangle + codegen_fn_attrs.flags |= CodegenFnAttrFlags::NO_MANGLE; + } + } } fn check_result( diff --git a/compiler/rustc_const_eval/src/interpret/call.rs b/compiler/rustc_const_eval/src/interpret/call.rs index a0160d1188d..b1cc0cc2878 100644 --- a/compiler/rustc_const_eval/src/interpret/call.rs +++ b/compiler/rustc_const_eval/src/interpret/call.rs @@ -346,7 +346,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { destination: &PlaceTy<'tcx, M::Provenance>, mut cont: ReturnContinuation, ) -> InterpResult<'tcx> { - let _span = enter_trace_span!(M, step::init_stack_frame, %instance, tracing_separate_thread = Empty); + let _trace = enter_trace_span!(M, step::init_stack_frame, %instance, tracing_separate_thread = Empty); // Compute callee information. // FIXME: for variadic support, do we have to somehow determine callee's extra_args? @@ -527,7 +527,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { target: Option<mir::BasicBlock>, unwind: mir::UnwindAction, ) -> InterpResult<'tcx> { - let _span = + let _trace = enter_trace_span!(M, step::init_fn_call, tracing_separate_thread = Empty, ?fn_val) .or_if_tracing_disabled(|| trace!("init_fn_call: {:#?}", fn_val)); diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index c4b705d7124..d4f2bb8257d 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -113,7 +113,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// See [LayoutOf::layout_of] for the original documentation. #[inline(always)] pub fn layout_of(&self, ty: Ty<'tcx>) -> <Self as LayoutOfHelpers<'tcx>>::LayoutOfResult { - let _span = enter_trace_span!(M, layouting::layout_of, ty = ?ty.kind()); + let _trace = enter_trace_span!(M, layouting::layout_of, ty = ?ty.kind()); LayoutOf::layout_of(self, ty) } @@ -126,7 +126,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { sig: ty::PolyFnSig<'tcx>, extra_args: &'tcx ty::List<Ty<'tcx>>, ) -> <Self as FnAbiOfHelpers<'tcx>>::FnAbiOfResult { - let _span = enter_trace_span!(M, layouting::fn_abi_of_fn_ptr, ?sig, ?extra_args); + let _trace = enter_trace_span!(M, layouting::fn_abi_of_fn_ptr, ?sig, ?extra_args); FnAbiOf::fn_abi_of_fn_ptr(self, sig, extra_args) } @@ -139,7 +139,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { instance: ty::Instance<'tcx>, extra_args: &'tcx ty::List<Ty<'tcx>>, ) -> <Self as FnAbiOfHelpers<'tcx>>::FnAbiOfResult { - let _span = enter_trace_span!(M, layouting::fn_abi_of_instance, ?instance, ?extra_args); + let _trace = enter_trace_span!(M, layouting::fn_abi_of_instance, ?instance, ?extra_args); FnAbiOf::fn_abi_of_instance(self, instance, extra_args) } } @@ -322,7 +322,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { frame: &Frame<'tcx, M::Provenance, M::FrameExtra>, value: T, ) -> Result<T, ErrorHandled> { - let _span = enter_trace_span!( + let _trace = enter_trace_span!( M, "instantiate_from_frame_and_normalize_erasing_regions", "{}", diff --git a/compiler/rustc_const_eval/src/interpret/operand.rs b/compiler/rustc_const_eval/src/interpret/operand.rs index 14541809070..53a440b646b 100644 --- a/compiler/rustc_const_eval/src/interpret/operand.rs +++ b/compiler/rustc_const_eval/src/interpret/operand.rs @@ -773,7 +773,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { mir_place: mir::Place<'tcx>, layout: Option<TyAndLayout<'tcx>>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { - let _span = enter_trace_span!( + let _trace = enter_trace_span!( M, step::eval_place_to_op, ?mir_place, @@ -823,7 +823,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { mir_op: &mir::Operand<'tcx>, layout: Option<TyAndLayout<'tcx>>, ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { - let _span = + let _trace = enter_trace_span!(M, step::eval_operand, ?mir_op, tracing_separate_thread = Empty); use rustc_middle::mir::Operand::*; diff --git a/compiler/rustc_const_eval/src/interpret/place.rs b/compiler/rustc_const_eval/src/interpret/place.rs index 45c4edb8503..6ff50dc700f 100644 --- a/compiler/rustc_const_eval/src/interpret/place.rs +++ b/compiler/rustc_const_eval/src/interpret/place.rs @@ -526,7 +526,7 @@ where &self, mir_place: mir::Place<'tcx>, ) -> InterpResult<'tcx, PlaceTy<'tcx, M::Provenance>> { - let _span = + let _trace = enter_trace_span!(M, step::eval_place, ?mir_place, tracing_separate_thread = Empty); let mut place = self.local_to_place(mir_place.local)?; diff --git a/compiler/rustc_const_eval/src/interpret/step.rs b/compiler/rustc_const_eval/src/interpret/step.rs index 9df49c0f4cc..76e470b69dc 100644 --- a/compiler/rustc_const_eval/src/interpret/step.rs +++ b/compiler/rustc_const_eval/src/interpret/step.rs @@ -76,7 +76,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { /// /// This does NOT move the statement counter forward, the caller has to do that! pub fn eval_statement(&mut self, stmt: &mir::Statement<'tcx>) -> InterpResult<'tcx> { - let _span = enter_trace_span!( + let _trace = enter_trace_span!( M, step::eval_statement, stmt = ?stmt.kind, @@ -465,7 +465,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { } fn eval_terminator(&mut self, terminator: &mir::Terminator<'tcx>) -> InterpResult<'tcx> { - let _span = enter_trace_span!( + let _trace = enter_trace_span!( M, step::eval_terminator, terminator = ?terminator.kind, diff --git a/compiler/rustc_const_eval/src/interpret/util.rs b/compiler/rustc_const_eval/src/interpret/util.rs index 71800950faa..72bee345406 100644 --- a/compiler/rustc_const_eval/src/interpret/util.rs +++ b/compiler/rustc_const_eval/src/interpret/util.rs @@ -85,11 +85,11 @@ impl EnteredTraceSpan for tracing::span::EnteredSpan { /// # let my_debug_var = String::new(); /// // logs a span named "hello" with a field named "arg" of value 42 (works only because /// // 42 implements the tracing::Value trait, otherwise use one of the options below) -/// let _span = enter_trace_span!(M, "hello", arg = 42); +/// let _trace = enter_trace_span!(M, "hello", arg = 42); /// // logs a field called "my_display_var" using the Display implementation -/// let _span = enter_trace_span!(M, "hello", %my_display_var); +/// let _trace = enter_trace_span!(M, "hello", %my_display_var); /// // logs a field called "my_debug_var" using the Debug implementation -/// let _span = enter_trace_span!(M, "hello", ?my_debug_var); +/// let _trace = enter_trace_span!(M, "hello", ?my_debug_var); /// ``` /// /// ### `NAME::SUBNAME` syntax @@ -107,8 +107,8 @@ impl EnteredTraceSpan for tracing::span::EnteredSpan { /// # use rustc_const_eval::enter_trace_span; /// # type M = rustc_const_eval::const_eval::CompileTimeMachine<'static>; /// // for example, the first will expand to the second -/// let _span = enter_trace_span!(M, borrow_tracker::on_stack_pop, /* ... */); -/// let _span = enter_trace_span!(M, "borrow_tracker", borrow_tracker = "on_stack_pop", /* ... */); +/// let _trace = enter_trace_span!(M, borrow_tracker::on_stack_pop, /* ... */); +/// let _trace = enter_trace_span!(M, "borrow_tracker", borrow_tracker = "on_stack_pop", /* ... */); /// ``` /// /// ### `tracing_separate_thread` parameter @@ -124,7 +124,7 @@ impl EnteredTraceSpan for tracing::span::EnteredSpan { /// ```rust /// # use rustc_const_eval::enter_trace_span; /// # type M = rustc_const_eval::const_eval::CompileTimeMachine<'static>; -/// let _span = enter_trace_span!(M, step::eval_statement, tracing_separate_thread = tracing::field::Empty); +/// let _trace = enter_trace_span!(M, step::eval_statement, tracing_separate_thread = tracing::field::Empty); /// ``` /// /// ### Executing something else when tracing is disabled @@ -136,7 +136,7 @@ impl EnteredTraceSpan for tracing::span::EnteredSpan { /// # use rustc_const_eval::enter_trace_span; /// # use rustc_const_eval::interpret::EnteredTraceSpan; /// # type M = rustc_const_eval::const_eval::CompileTimeMachine<'static>; -/// let _span = enter_trace_span!(M, step::eval_statement) +/// let _trace = enter_trace_span!(M, step::eval_statement) /// .or_if_tracing_disabled(|| tracing::info!("eval_statement")); /// ``` #[macro_export] diff --git a/compiler/rustc_const_eval/src/interpret/validity.rs b/compiler/rustc_const_eval/src/interpret/validity.rs index ed48f53c310..ab0c0665d51 100644 --- a/compiler/rustc_const_eval/src/interpret/validity.rs +++ b/compiler/rustc_const_eval/src/interpret/validity.rs @@ -1415,7 +1415,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { recursive: bool, reset_provenance_and_padding: bool, ) -> InterpResult<'tcx> { - let _span = enter_trace_span!( + let _trace = enter_trace_span!( M, "validate_operand", "recursive={recursive}, reset_provenance_and_padding={reset_provenance_and_padding}, val={val:?}" diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index c234aa43c09..7da3bf27eb5 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -904,10 +904,7 @@ impl SyntaxExtension { find_attr!(attrs, AttributeKind::AllowInternalUnstable(i, _) => i) .map(|i| i.as_slice()) .unwrap_or_default(); - // FIXME(jdonszelman): allow_internal_unsafe isn't yet new-style - // let allow_internal_unsafe = find_attr!(attrs, AttributeKind::AllowInternalUnsafe); - let allow_internal_unsafe = - ast::attr::find_by_name(attrs, sym::allow_internal_unsafe).is_some(); + let allow_internal_unsafe = find_attr!(attrs, AttributeKind::AllowInternalUnsafe(_)); let local_inner_macros = ast::attr::find_by_name(attrs, sym::macro_export) .and_then(|macro_export| macro_export.meta_item_list()) diff --git a/compiler/rustc_expand/src/expand.rs b/compiler/rustc_expand/src/expand.rs index e7ae4416968..00533285fb4 100644 --- a/compiler/rustc_expand/src/expand.rs +++ b/compiler/rustc_expand/src/expand.rs @@ -2155,6 +2155,7 @@ impl<'a, 'b> InvocationCollector<'a, 'b> { attr_name, macro_name: pprust::path_to_string(&call.path), invoc_span: call.path.span, + attr_span: attr.span, }, ); } diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 5c63d4808db..ab6b8f92802 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -120,13 +120,15 @@ pub struct AttributeTemplate { /// If `true`, the attribute is allowed to be a bare word like `#[test]`. pub word: bool, /// If `Some`, the attribute is allowed to take a list of items like `#[allow(..)]`. - pub list: Option<&'static str>, + pub list: Option<&'static [&'static str]>, /// If non-empty, the attribute is allowed to take a list containing exactly /// one of the listed words, like `#[coverage(off)]`. pub one_of: &'static [Symbol], /// If `Some`, the attribute is allowed to be a name/value pair where the /// value is a string, like `#[must_use = "reason"]`. - pub name_value_str: Option<&'static str>, + pub name_value_str: Option<&'static [&'static str]>, + /// A link to the document for this attribute. + pub docs: Option<&'static str>, } impl AttributeTemplate { @@ -137,11 +139,15 @@ impl AttributeTemplate { suggestions.push(format!("#{inner}[{name}]")); } if let Some(descr) = self.list { - suggestions.push(format!("#{inner}[{name}({descr})]")); + for descr in descr { + suggestions.push(format!("#{inner}[{name}({descr})]")); + } } suggestions.extend(self.one_of.iter().map(|&word| format!("#{inner}[{name}({word})]"))); if let Some(descr) = self.name_value_str { - suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); + for descr in descr { + suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); + } } suggestions.sort(); @@ -205,20 +211,33 @@ pub enum AttributeDuplicates { /// supports forms `#[attr]` and `#[attr(description)]`. #[macro_export] macro_rules! template { - (Word) => { $crate::template!(@ true, None, &[], None) }; - (List: $descr: expr) => { $crate::template!(@ false, Some($descr), &[], None) }; - (OneOf: $one_of: expr) => { $crate::template!(@ false, None, $one_of, None) }; - (NameValueStr: $descr: expr) => { $crate::template!(@ false, None, &[], Some($descr)) }; - (Word, List: $descr: expr) => { $crate::template!(@ true, Some($descr), &[], None) }; - (Word, NameValueStr: $descr: expr) => { $crate::template!(@ true, None, &[], Some($descr)) }; + (Word) => { $crate::template!(@ true, None, &[], None, None) }; + (Word, $link: literal) => { $crate::template!(@ true, None, &[], None, Some($link)) }; + (List: $descr: expr) => { $crate::template!(@ false, Some($descr), &[], None, None) }; + (List: $descr: expr, $link: literal) => { $crate::template!(@ false, Some($descr), &[], None, Some($link)) }; + (OneOf: $one_of: expr) => { $crate::template!(@ false, None, $one_of, None, None) }; + (NameValueStr: [$($descr: literal),* $(,)?]) => { $crate::template!(@ false, None, &[], Some(&[$($descr,)*]), None) }; + (NameValueStr: [$($descr: literal),* $(,)?], $link: literal) => { $crate::template!(@ false, None, &[], Some(&[$($descr,)*]), Some($link)) }; + (NameValueStr: $descr: literal) => { $crate::template!(@ false, None, &[], Some(&[$descr]), None) }; + (NameValueStr: $descr: literal, $link: literal) => { $crate::template!(@ false, None, &[], Some(&[$descr]), Some($link)) }; + (Word, List: $descr: expr) => { $crate::template!(@ true, Some($descr), &[], None, None) }; + (Word, List: $descr: expr, $link: literal) => { $crate::template!(@ true, Some($descr), &[], None, Some($link)) }; + (Word, NameValueStr: $descr: expr) => { $crate::template!(@ true, None, &[], Some(&[$descr]), None) }; + (Word, NameValueStr: $descr: expr, $link: literal) => { $crate::template!(@ true, None, &[], Some(&[$descr]), Some($link)) }; (List: $descr1: expr, NameValueStr: $descr2: expr) => { - $crate::template!(@ false, Some($descr1), &[], Some($descr2)) + $crate::template!(@ false, Some($descr1), &[], Some(&[$descr2]), None) + }; + (List: $descr1: expr, NameValueStr: $descr2: expr, $link: literal) => { + $crate::template!(@ false, Some($descr1), &[], Some(&[$descr2]), Some($link)) }; (Word, List: $descr1: expr, NameValueStr: $descr2: expr) => { - $crate::template!(@ true, Some($descr1), &[], Some($descr2)) + $crate::template!(@ true, Some($descr1), &[], Some(&[$descr2]), None) }; - (@ $word: expr, $list: expr, $one_of: expr, $name_value_str: expr) => { $crate::AttributeTemplate { - word: $word, list: $list, one_of: $one_of, name_value_str: $name_value_str + (Word, List: $descr1: expr, NameValueStr: $descr2: expr, $link: literal) => { + $crate::template!(@ true, Some($descr1), &[], Some(&[$descr2]), Some($link)) + }; + (@ $word: expr, $list: expr, $one_of: expr, $name_value_str: expr, $link: expr) => { $crate::AttributeTemplate { + word: $word, list: $list, one_of: $one_of, name_value_str: $name_value_str, docs: $link, } }; } @@ -391,18 +410,42 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // ========================================================================== // Conditional compilation: - ungated!(cfg, Normal, template!(List: "predicate"), DuplicatesOk, EncodeCrossCrate::Yes), - ungated!(cfg_attr, Normal, template!(List: "predicate, attr1, attr2, ..."), DuplicatesOk, EncodeCrossCrate::Yes), + ungated!( + cfg, Normal, + template!( + List: &["predicate"], + "https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute" + ), + DuplicatesOk, EncodeCrossCrate::Yes + ), + ungated!( + cfg_attr, Normal, + template!( + List: &["predicate, attr1, attr2, ..."], + "https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg_attr-attribute" + ), + DuplicatesOk, EncodeCrossCrate::Yes + ), // Testing: ungated!( - ignore, Normal, template!(Word, NameValueStr: "reason"), WarnFollowing, - EncodeCrossCrate::No, + ignore, Normal, + template!( + Word, + NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/testing.html#the-ignore-attribute" + ), + WarnFollowing, EncodeCrossCrate::No, ), ungated!( should_panic, Normal, - template!(Word, List: r#"expected = "reason""#, NameValueStr: "reason"), FutureWarnFollowing, - EncodeCrossCrate::No, + template!( + Word, + List: &[r#"expected = "reason""#], + NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute" + ), + FutureWarnFollowing, EncodeCrossCrate::No, ), // FIXME(Centril): This can be used on stable but shouldn't. ungated!( @@ -411,46 +454,102 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // Macros: - ungated!(automatically_derived, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes), ungated!( - macro_use, Normal, template!(Word, List: "name1, name2, ..."), WarnFollowingWordOnly, - EncodeCrossCrate::No, + automatically_derived, Normal, + template!( + Word, + "https://doc.rust-lang.org/reference/attributes/derive.html#the-automatically_derived-attribute" + ), + WarnFollowing, EncodeCrossCrate::Yes + ), + ungated!( + macro_use, Normal, + template!( + Word, + List: &["name1, name2, ..."], + "https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute" + ), + WarnFollowingWordOnly, EncodeCrossCrate::No, ), ungated!(macro_escape, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), // Deprecated synonym for `macro_use`. ungated!( - macro_export, Normal, template!(Word, List: "local_inner_macros"), + macro_export, Normal, + template!( + Word, + List: &["local_inner_macros"], + "https://doc.rust-lang.org/reference/macros-by-example.html#path-based-scope" + ), WarnFollowing, EncodeCrossCrate::Yes ), - ungated!(proc_macro, Normal, template!(Word), ErrorFollowing, EncodeCrossCrate::No), ungated!( - proc_macro_derive, Normal, template!(List: "TraitName, /*opt*/ attributes(name1, name2, ...)"), + proc_macro, Normal, + template!( + Word, + "https://doc.rust-lang.org/reference/procedural-macros.html#function-like-procedural-macros"), + ErrorFollowing, EncodeCrossCrate::No + ), + ungated!( + proc_macro_derive, Normal, + template!( + List: &["TraitName", "TraitName, attributes(name1, name2, ...)"], + "https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros" + ), ErrorFollowing, EncodeCrossCrate::No, ), - ungated!(proc_macro_attribute, Normal, template!(Word), ErrorFollowing, EncodeCrossCrate::No), + ungated!( + proc_macro_attribute, Normal, + template!(Word, "https://doc.rust-lang.org/reference/procedural-macros.html#attribute-macros"), + ErrorFollowing, EncodeCrossCrate::No + ), // Lints: ungated!( - warn, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + warn, Normal, + template!( + List: &["lint1", "lint1, lint2, ...", r#"lint1, lint2, lint3, reason = "...""#], + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes" + ), DuplicatesOk, EncodeCrossCrate::No, ), ungated!( - allow, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + allow, Normal, + template!( + List: &["lint1", "lint1, lint2, ...", r#"lint1, lint2, lint3, reason = "...""#], + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes" + ), DuplicatesOk, EncodeCrossCrate::No, ), ungated!( - expect, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + expect, Normal, + template!( + List: &["lint1", "lint1, lint2, ...", r#"lint1, lint2, lint3, reason = "...""#], + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes" + ), DuplicatesOk, EncodeCrossCrate::No, ), ungated!( - forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + forbid, Normal, + template!( + List: &["lint1", "lint1, lint2, ...", r#"lint1, lint2, lint3, reason = "...""#], + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes" + ), DuplicatesOk, EncodeCrossCrate::No ), ungated!( - deny, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + deny, Normal, + template!( + List: &["lint1", "lint1, lint2, ...", r#"lint1, lint2, lint3, reason = "...""#], + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes" + ), DuplicatesOk, EncodeCrossCrate::No ), ungated!( - must_use, Normal, template!(Word, NameValueStr: "reason"), + must_use, Normal, + template!( + Word, + NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#the-must_use-attribute" + ), FutureWarnFollowing, EncodeCrossCrate::Yes ), gated!( @@ -461,52 +560,104 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ deprecated, Normal, template!( Word, - List: r#"/*opt*/ since = "version", /*opt*/ note = "reason""#, - NameValueStr: "reason" + List: &[r#"/*opt*/ since = "version", /*opt*/ note = "reason""#], + NameValueStr: "reason", + "https://doc.rust-lang.org/reference/attributes/diagnostics.html#the-deprecated-attribute" ), ErrorFollowing, EncodeCrossCrate::Yes ), // Crate properties: ungated!( - crate_name, CrateLevel, template!(NameValueStr: "name"), FutureWarnFollowing, - EncodeCrossCrate::No, + crate_name, CrateLevel, + template!( + NameValueStr: "name", + "https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute" + ), + FutureWarnFollowing, EncodeCrossCrate::No, ), ungated!( - crate_type, CrateLevel, template!(NameValueStr: "bin|lib|..."), DuplicatesOk, - EncodeCrossCrate::No, + crate_type, CrateLevel, + template!( + NameValueStr: ["bin", "lib", "dylib", "cdylib", "rlib", "staticlib", "sdylib", "proc-macro"], + "https://doc.rust-lang.org/reference/linkage.html" + ), + DuplicatesOk, EncodeCrossCrate::No, ), // ABI, linking, symbols, and FFI ungated!( link, Normal, - template!(List: r#"name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated""#), - DuplicatesOk, - EncodeCrossCrate::No, + template!(List: &[ + r#"name = "...""#, + r#"name = "...", kind = "dylib|static|...""#, + r#"name = "...", wasm_import_module = "...""#, + r#"name = "...", import_name_type = "decorated|noprefix|undecorated""#, + r#"name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated""#, + ], "https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute"), + DuplicatesOk, EncodeCrossCrate::No, ), ungated!( - link_name, Normal, template!(NameValueStr: "name"), + link_name, Normal, + template!(NameValueStr: "name", "https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_name-attribute"), FutureWarnPreceding, EncodeCrossCrate::Yes ), - ungated!(no_link, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), - ungated!(repr, Normal, template!(List: "C"), DuplicatesOk, EncodeCrossCrate::No), + ungated!( + no_link, Normal, + template!(Word, "https://doc.rust-lang.org/reference/items/extern-crates.html#the-no_link-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), + ungated!( + repr, Normal, + template!( + List: &["C", "Rust", "transparent", "align(...)", "packed(...)", "<integer type>"], + "https://doc.rust-lang.org/reference/type-layout.html#representations" + ), + DuplicatesOk, EncodeCrossCrate::No + ), // FIXME(#82232, #143834): temporarily renamed to mitigate `#[align]` nameres ambiguity - gated!(rustc_align, Normal, template!(List: "alignment"), DuplicatesOk, EncodeCrossCrate::No, fn_align, experimental!(rustc_align)), - ungated!(unsafe(Edition2024) export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, EncodeCrossCrate::No), - ungated!(unsafe(Edition2024) link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding, EncodeCrossCrate::No), - ungated!(unsafe(Edition2024) no_mangle, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), - ungated!(used, Normal, template!(Word, List: "compiler|linker"), WarnFollowing, EncodeCrossCrate::No), - ungated!(link_ordinal, Normal, template!(List: "ordinal"), ErrorPreceding, EncodeCrossCrate::Yes), - ungated!(unsafe naked, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), + gated!(rustc_align, Normal, template!(List: &["alignment"]), DuplicatesOk, EncodeCrossCrate::No, fn_align, experimental!(rustc_align)), + ungated!( + unsafe(Edition2024) export_name, Normal, + template!(NameValueStr: "name", "https://doc.rust-lang.org/reference/abi.html#the-export_name-attribute"), + FutureWarnPreceding, EncodeCrossCrate::No + ), + ungated!( + unsafe(Edition2024) link_section, Normal, + template!(NameValueStr: "name", "https://doc.rust-lang.org/reference/abi.html#the-link_section-attribute"), + FutureWarnPreceding, EncodeCrossCrate::No + ), + ungated!( + unsafe(Edition2024) no_mangle, Normal, + template!(Word, "https://doc.rust-lang.org/reference/abi.html#the-no_mangle-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), + ungated!( + used, Normal, + template!(Word, List: &["compiler", "linker"], "https://doc.rust-lang.org/reference/abi.html#the-used-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), + ungated!( + link_ordinal, Normal, + template!(List: &["ordinal"], "https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute"), + ErrorPreceding, EncodeCrossCrate::Yes + ), + ungated!( + unsafe naked, Normal, + template!(Word, "https://doc.rust-lang.org/reference/attributes/codegen.html#the-naked-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), // Limits: ungated!( - recursion_limit, CrateLevel, template!(NameValueStr: "N"), FutureWarnFollowing, - EncodeCrossCrate::No + recursion_limit, CrateLevel, + template!(NameValueStr: "N", "https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute"), + FutureWarnFollowing, EncodeCrossCrate::No ), ungated!( - type_length_limit, CrateLevel, template!(NameValueStr: "N"), FutureWarnFollowing, - EncodeCrossCrate::No + type_length_limit, CrateLevel, + template!(NameValueStr: "N", "https://doc.rust-lang.org/reference/attributes/limits.html#the-type_length_limit-attribute"), + FutureWarnFollowing, EncodeCrossCrate::No ), gated!( move_size_limit, CrateLevel, template!(NameValueStr: "N"), ErrorFollowing, @@ -514,35 +665,84 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // Entry point: - ungated!(no_main, CrateLevel, template!(Word), WarnFollowing, EncodeCrossCrate::No), + ungated!( + no_main, CrateLevel, + template!(Word, "https://doc.rust-lang.org/reference/crates-and-source-files.html#the-no_main-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), // Modules, prelude, and resolution: - ungated!(path, Normal, template!(NameValueStr: "file"), FutureWarnFollowing, EncodeCrossCrate::No), - ungated!(no_std, CrateLevel, template!(Word), WarnFollowing, EncodeCrossCrate::No), - ungated!(no_implicit_prelude, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), - ungated!(non_exhaustive, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes), + ungated!( + path, Normal, + template!(NameValueStr: "file", "https://doc.rust-lang.org/reference/items/modules.html#the-path-attribute"), + FutureWarnFollowing, EncodeCrossCrate::No + ), + ungated!( + no_std, CrateLevel, + template!(Word, "https://doc.rust-lang.org/reference/names/preludes.html#the-no_std-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), + ungated!( + no_implicit_prelude, Normal, + template!(Word, "https://doc.rust-lang.org/reference/names/preludes.html#the-no_implicit_prelude-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), + ungated!( + non_exhaustive, Normal, + template!(Word, "https://doc.rust-lang.org/reference/attributes/type_system.html#the-non_exhaustive-attribute"), + WarnFollowing, EncodeCrossCrate::Yes + ), // Runtime ungated!( windows_subsystem, CrateLevel, - template!(NameValueStr: "windows|console"), FutureWarnFollowing, - EncodeCrossCrate::No + template!(NameValueStr: ["windows", "console"], "https://doc.rust-lang.org/reference/runtime.html#the-windows_subsystem-attribute"), + FutureWarnFollowing, EncodeCrossCrate::No + ), + ungated!( // RFC 2070 + panic_handler, Normal, + template!(Word, "https://doc.rust-lang.org/reference/panic.html#the-panic_handler-attribute"), + WarnFollowing, EncodeCrossCrate::Yes ), - ungated!(panic_handler, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes), // RFC 2070 // Code generation: - ungated!(inline, Normal, template!(Word, List: "always|never"), FutureWarnFollowing, EncodeCrossCrate::No), - ungated!(cold, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No), - ungated!(no_builtins, CrateLevel, template!(Word), WarnFollowing, EncodeCrossCrate::Yes), ungated!( - target_feature, Normal, template!(List: r#"enable = "name""#), + inline, Normal, + template!( + Word, + List: &["always", "never"], + "https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute" + ), + FutureWarnFollowing, EncodeCrossCrate::No + ), + ungated!( + cold, Normal, + template!(Word, "https://doc.rust-lang.org/reference/attributes/codegen.html#the-cold-attribute"), + WarnFollowing, EncodeCrossCrate::No + ), + ungated!( + no_builtins, CrateLevel, + template!(Word, "https://doc.rust-lang.org/reference/attributes/codegen.html#the-no_builtins-attribute"), + WarnFollowing, EncodeCrossCrate::Yes + ), + ungated!( + target_feature, Normal, + template!(List: &[r#"enable = "name""#], "https://doc.rust-lang.org/reference/attributes/codegen.html#the-target_feature-attribute"), DuplicatesOk, EncodeCrossCrate::No, ), - ungated!(track_caller, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::Yes), - ungated!(instruction_set, Normal, template!(List: "set"), ErrorPreceding, EncodeCrossCrate::No), + ungated!( + track_caller, Normal, + template!(Word, "https://doc.rust-lang.org/reference/attributes/codegen.html#the-track_caller-attribute"), + WarnFollowing, EncodeCrossCrate::Yes + ), + ungated!( + instruction_set, Normal, + template!(List: &["set"], "https://doc.rust-lang.org/reference/attributes/codegen.html#the-instruction_set-attribute"), + ErrorPreceding, EncodeCrossCrate::No + ), gated!( no_sanitize, Normal, - template!(List: "address, kcfi, memory, thread"), DuplicatesOk, + template!(List: &["address, kcfi, memory, thread"]), DuplicatesOk, EncodeCrossCrate::No, experimental!(no_sanitize) ), gated!( @@ -552,18 +752,31 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), ungated!( - doc, Normal, template!(List: "hidden|inline|...", NameValueStr: "string"), DuplicatesOk, - EncodeCrossCrate::Yes + doc, Normal, + template!( + List: &["hidden", "inline"], + NameValueStr: "string", + "https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html" + ), + DuplicatesOk, EncodeCrossCrate::Yes ), // Debugging ungated!( debugger_visualizer, Normal, - template!(List: r#"natvis_file = "...", gdb_script_file = "...""#), + template!( + List: &[r#"natvis_file = "...", gdb_script_file = "...""#], + "https://doc.rust-lang.org/reference/attributes/debugger.html#the-debugger_visualizer-attribute" + ), DuplicatesOk, EncodeCrossCrate::No ), - ungated!(collapse_debuginfo, Normal, template!(List: "no|external|yes"), ErrorFollowing, - EncodeCrossCrate::Yes + ungated!( + collapse_debuginfo, Normal, + template!( + List: &["no", "external", "yes"], + "https://doc.rust-lang.org/reference/attributes/debugger.html#the-collapse_debuginfo-attribute" + ), + ErrorFollowing, EncodeCrossCrate::Yes ), // ========================================================================== @@ -578,7 +791,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // Testing: gated!( - test_runner, CrateLevel, template!(List: "path"), ErrorFollowing, + test_runner, CrateLevel, template!(List: &["path"]), ErrorFollowing, EncodeCrossCrate::Yes, custom_test_frameworks, "custom test frameworks are an unstable feature", ), @@ -597,7 +810,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // RFC 2412 gated!( - optimize, Normal, template!(List: "none|size|speed"), ErrorPreceding, + optimize, Normal, template!(List: &["none", "size", "speed"]), ErrorPreceding, EncodeCrossCrate::No, optimize_attribute, experimental!(optimize) ), @@ -610,7 +823,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ EncodeCrossCrate::No, experimental!(ffi_const) ), gated!( - register_tool, CrateLevel, template!(List: "tool1, tool2, ..."), DuplicatesOk, + register_tool, CrateLevel, template!(List: &["tool1, tool2, ..."]), DuplicatesOk, EncodeCrossCrate::No, experimental!(register_tool), ), @@ -624,7 +837,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), // lang-team MCP 147 gated!( - deprecated_safe, Normal, template!(List: r#"since = "version", note = "...""#), ErrorFollowing, + deprecated_safe, Normal, template!(List: &[r#"since = "version", note = "...""#]), ErrorFollowing, EncodeCrossCrate::Yes, experimental!(deprecated_safe), ), @@ -643,7 +856,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // RFC 3543 // `#[patchable_function_entry(prefix_nops = m, entry_nops = n)]` gated!( - patchable_function_entry, Normal, template!(List: "prefix_nops = m, entry_nops = n"), ErrorPreceding, + patchable_function_entry, Normal, template!(List: &["prefix_nops = m, entry_nops = n"]), ErrorPreceding, EncodeCrossCrate::Yes, experimental!(patchable_function_entry) ), @@ -673,37 +886,37 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ungated!( feature, CrateLevel, - template!(List: "name1, name2, ..."), DuplicatesOk, EncodeCrossCrate::No, + template!(List: &["name1, name2, ..."]), DuplicatesOk, EncodeCrossCrate::No, ), // DuplicatesOk since it has its own validation ungated!( stable, Normal, - template!(List: r#"feature = "name", since = "version""#), DuplicatesOk, EncodeCrossCrate::No, + template!(List: &[r#"feature = "name", since = "version""#]), DuplicatesOk, EncodeCrossCrate::No, ), ungated!( unstable, Normal, - template!(List: r#"feature = "name", reason = "...", issue = "N""#), DuplicatesOk, + template!(List: &[r#"feature = "name", reason = "...", issue = "N""#]), DuplicatesOk, EncodeCrossCrate::Yes ), ungated!( - unstable_feature_bound, Normal, template!(Word, List: "feat1, feat2, ..."), + unstable_feature_bound, Normal, template!(Word, List: &["feat1, feat2, ..."]), DuplicatesOk, EncodeCrossCrate::No, ), ungated!( - rustc_const_unstable, Normal, template!(List: r#"feature = "name""#), + rustc_const_unstable, Normal, template!(List: &[r#"feature = "name""#]), DuplicatesOk, EncodeCrossCrate::Yes ), ungated!( rustc_const_stable, Normal, - template!(List: r#"feature = "name""#), DuplicatesOk, EncodeCrossCrate::No, + template!(List: &[r#"feature = "name""#]), DuplicatesOk, EncodeCrossCrate::No, ), ungated!( rustc_default_body_unstable, Normal, - template!(List: r#"feature = "name", reason = "...", issue = "N""#), + template!(List: &[r#"feature = "name", reason = "...", issue = "N""#]), DuplicatesOk, EncodeCrossCrate::No ), gated!( - allow_internal_unstable, Normal, template!(Word, List: "feat1, feat2, ..."), + allow_internal_unstable, Normal, template!(Word, List: &["feat1, feat2, ..."]), DuplicatesOk, EncodeCrossCrate::Yes, "allow_internal_unstable side-steps feature gating and stability checks", ), @@ -718,7 +931,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ through unstable paths" ), rustc_attr!( - rustc_deprecated_safe_2024, Normal, template!(List: r#"audit_that = "...""#), + rustc_deprecated_safe_2024, Normal, template!(List: &[r#"audit_that = "...""#]), ErrorFollowing, EncodeCrossCrate::Yes, "`#[rustc_deprecated_safe_2024]` is used to declare functions unsafe across the edition 2024 boundary", ), @@ -743,7 +956,13 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_attr!( rustc_never_type_options, Normal, - template!(List: r#"/*opt*/ fallback = "unit|niko|never|no""#), + template!(List: &[ + "", + r#"fallback = "unit""#, + r#"fallback = "niko""#, + r#"fallback = "never""#, + r#"fallback = "no""#, + ]), ErrorFollowing, EncodeCrossCrate::No, "`rustc_never_type_options` is used to experiment with never type fallback and work on \ @@ -808,7 +1027,17 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // ========================================================================== gated!( - linkage, Normal, template!(NameValueStr: "external|internal|..."), + linkage, Normal, template!(NameValueStr: [ + "available_externally", + "common", + "extern_weak", + "external", + "internal", + "linkonce", + "linkonce_odr", + "weak", + "weak_odr", + ], "https://doc.rust-lang.org/reference/linkage.html"), ErrorPreceding, EncodeCrossCrate::No, "the `linkage` attribute is experimental and not portable across platforms", ), @@ -823,7 +1052,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_attr!( rustc_builtin_macro, Normal, - template!(Word, List: "name, /*opt*/ attributes(name1, name2, ...)"), ErrorFollowing, + template!(Word, List: &["name", "name, /*opt*/ attributes(name1, name2, ...)"]), ErrorFollowing, EncodeCrossCrate::Yes, ), rustc_attr!( @@ -832,12 +1061,12 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), rustc_attr!( rustc_macro_transparency, Normal, - template!(NameValueStr: "transparent|semiopaque|opaque"), ErrorFollowing, + template!(NameValueStr: ["transparent", "semiopaque", "opaque"]), ErrorFollowing, EncodeCrossCrate::Yes, "used internally for testing macro hygiene", ), rustc_attr!( rustc_autodiff, Normal, - template!(Word, List: r#""...""#), DuplicatesOk, + template!(Word, List: &[r#""...""#]), DuplicatesOk, EncodeCrossCrate::Yes, ), // Traces that are left when `cfg` and `cfg_attr` attributes are expanded. @@ -860,7 +1089,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_attr!( rustc_on_unimplemented, Normal, template!( - List: r#"/*opt*/ message = "...", /*opt*/ label = "...", /*opt*/ note = "...""#, + List: &[r#"/*opt*/ message = "...", /*opt*/ label = "...", /*opt*/ note = "...""#], NameValueStr: "message" ), ErrorFollowing, EncodeCrossCrate::Yes, @@ -868,7 +1097,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), rustc_attr!( rustc_confusables, Normal, - template!(List: r#""name1", "name2", ..."#), + template!(List: &[r#""name1", "name2", ..."#]), ErrorFollowing, EncodeCrossCrate::Yes, ), // Enumerates "identity-like" conversion methods to suggest on type mismatch. @@ -909,7 +1138,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // Used by the `rustc::bad_opt_access` lint on fields // types (as well as any others in future). rustc_attr!( - rustc_lint_opt_deny_field_access, Normal, template!(List: "message"), + rustc_lint_opt_deny_field_access, Normal, template!(List: &["message"]), WarnFollowing, EncodeCrossCrate::Yes, ), @@ -921,7 +1150,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ rustc_promotable, Normal, template!(Word), WarnFollowing, EncodeCrossCrate::No, ), rustc_attr!( - rustc_legacy_const_generics, Normal, template!(List: "N"), ErrorFollowing, + rustc_legacy_const_generics, Normal, template!(List: &["N"]), ErrorFollowing, EncodeCrossCrate::Yes, ), // Do not const-check this function's body. It will always get replaced during CTFE via `hook_special_const_fn`. @@ -946,7 +1175,7 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), gated!( rustc_allow_const_fn_unstable, Normal, - template!(Word, List: "feat1, feat2, ..."), DuplicatesOk, EncodeCrossCrate::No, + template!(Word, List: &["feat1, feat2, ..."]), DuplicatesOk, EncodeCrossCrate::No, "rustc_allow_const_fn_unstable side-steps feature gating and stability checks" ), @@ -955,13 +1184,13 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // ========================================================================== rustc_attr!( - rustc_layout_scalar_valid_range_start, Normal, template!(List: "value"), ErrorFollowing, + rustc_layout_scalar_valid_range_start, Normal, template!(List: &["value"]), ErrorFollowing, EncodeCrossCrate::Yes, "the `#[rustc_layout_scalar_valid_range_start]` attribute is just used to enable \ niche optimizations in the standard library", ), rustc_attr!( - rustc_layout_scalar_valid_range_end, Normal, template!(List: "value"), ErrorFollowing, + rustc_layout_scalar_valid_range_end, Normal, template!(List: &["value"]), ErrorFollowing, EncodeCrossCrate::Yes, "the `#[rustc_layout_scalar_valid_range_end]` attribute is just used to enable \ niche optimizations in the standard library", @@ -1097,14 +1326,14 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ "the `#[rustc_main]` attribute is used internally to specify test entry point function", ), rustc_attr!( - rustc_skip_during_method_dispatch, Normal, template!(List: "array, boxed_slice"), ErrorFollowing, + rustc_skip_during_method_dispatch, Normal, template!(List: &["array, boxed_slice"]), ErrorFollowing, EncodeCrossCrate::No, "the `#[rustc_skip_during_method_dispatch]` attribute is used to exclude a trait \ from method dispatch when the receiver is of the following type, for compatibility in \ editions < 2021 (array) or editions < 2024 (boxed_slice)." ), rustc_attr!( - rustc_must_implement_one_of, Normal, template!(List: "function1, function2, ..."), + rustc_must_implement_one_of, Normal, template!(List: &["function1, function2, ..."]), ErrorFollowing, EncodeCrossCrate::No, "the `#[rustc_must_implement_one_of]` attribute is used to change minimal complete \ definition of a trait. Its syntax and semantics are highly experimental and will be \ @@ -1166,11 +1395,11 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ WarnFollowing, EncodeCrossCrate::No ), rustc_attr!( - TEST, rustc_layout, Normal, template!(List: "field1, field2, ..."), + TEST, rustc_layout, Normal, template!(List: &["field1, field2, ..."]), WarnFollowing, EncodeCrossCrate::Yes ), rustc_attr!( - TEST, rustc_abi, Normal, template!(List: "field1, field2, ..."), + TEST, rustc_abi, Normal, template!(List: &["field1, field2, ..."]), WarnFollowing, EncodeCrossCrate::No ), rustc_attr!( @@ -1191,29 +1420,29 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ EncodeCrossCrate::Yes ), rustc_attr!( - TEST, rustc_if_this_changed, Normal, template!(Word, List: "DepNode"), DuplicatesOk, + TEST, rustc_if_this_changed, Normal, template!(Word, List: &["DepNode"]), DuplicatesOk, EncodeCrossCrate::No ), rustc_attr!( - TEST, rustc_then_this_would_need, Normal, template!(List: "DepNode"), DuplicatesOk, + TEST, rustc_then_this_would_need, Normal, template!(List: &["DepNode"]), DuplicatesOk, EncodeCrossCrate::No ), rustc_attr!( TEST, rustc_clean, Normal, - template!(List: r#"cfg = "...", /*opt*/ label = "...", /*opt*/ except = "...""#), + template!(List: &[r#"cfg = "...", /*opt*/ label = "...", /*opt*/ except = "...""#]), DuplicatesOk, EncodeCrossCrate::No ), rustc_attr!( TEST, rustc_partition_reused, Normal, - template!(List: r#"cfg = "...", module = "...""#), DuplicatesOk, EncodeCrossCrate::No + template!(List: &[r#"cfg = "...", module = "...""#]), DuplicatesOk, EncodeCrossCrate::No ), rustc_attr!( TEST, rustc_partition_codegened, Normal, - template!(List: r#"cfg = "...", module = "...""#), DuplicatesOk, EncodeCrossCrate::No + template!(List: &[r#"cfg = "...", module = "...""#]), DuplicatesOk, EncodeCrossCrate::No ), rustc_attr!( TEST, rustc_expected_cgu_reuse, Normal, - template!(List: r#"cfg = "...", module = "...", kind = "...""#), DuplicatesOk, + template!(List: &[r#"cfg = "...", module = "...", kind = "...""#]), DuplicatesOk, EncodeCrossCrate::No ), rustc_attr!( @@ -1225,11 +1454,11 @@ pub static BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ WarnFollowing, EncodeCrossCrate::No ), rustc_attr!( - TEST, rustc_mir, Normal, template!(List: "arg1, arg2, ..."), + TEST, rustc_mir, Normal, template!(List: &["arg1, arg2, ..."]), DuplicatesOk, EncodeCrossCrate::Yes ), gated!( - custom_mir, Normal, template!(List: r#"dialect = "...", phase = "...""#), + custom_mir, Normal, template!(List: &[r#"dialect = "...", phase = "...""#]), ErrorFollowing, EncodeCrossCrate::No, "the `#[custom_mir]` attribute is just used for the Rust test suite", ), diff --git a/compiler/rustc_hir/src/attrs/data_structures.rs b/compiler/rustc_hir/src/attrs/data_structures.rs index 5f419315467..e02edf5fe24 100644 --- a/compiler/rustc_hir/src/attrs/data_structures.rs +++ b/compiler/rustc_hir/src/attrs/data_structures.rs @@ -249,6 +249,9 @@ pub enum AttributeKind { /// Represents `#[rustc_allow_incoherent_impl]`. AllowIncoherentImpl(Span), + /// Represents `#[allow_internal_unsafe]`. + AllowInternalUnsafe(Span), + /// Represents `#[allow_internal_unstable]`. AllowInternalUnstable(ThinVec<(Symbol, Span)>, Span), diff --git a/compiler/rustc_hir/src/attrs/encode_cross_crate.rs b/compiler/rustc_hir/src/attrs/encode_cross_crate.rs index e3a7f0b97a8..7ce624dcc55 100644 --- a/compiler/rustc_hir/src/attrs/encode_cross_crate.rs +++ b/compiler/rustc_hir/src/attrs/encode_cross_crate.rs @@ -16,6 +16,7 @@ impl AttributeKind { Align { .. } => No, AllowConstFnUnstable(..) => No, AllowIncoherentImpl(..) => No, + AllowInternalUnsafe(..) => Yes, AllowInternalUnstable(..) => Yes, AsPtr(..) => Yes, AutomaticallyDerived(..) => Yes, diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 34db6f92d92..b27c223527e 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1310,6 +1310,7 @@ impl AttributeExt for Attribute { Attribute::Parsed(AttributeKind::Ignore { span, .. }) => *span, Attribute::Parsed(AttributeKind::ShouldPanic { span, .. }) => *span, Attribute::Parsed(AttributeKind::AutomaticallyDerived(span)) => *span, + Attribute::Parsed(AttributeKind::AllowInternalUnsafe(span)) => *span, a => panic!("can't get the span of an arbitrary parsed attribute: {a:?}"), } } @@ -4194,7 +4195,7 @@ impl<'hir> Item<'hir> { expect_trait_alias, (Ident, &'hir Generics<'hir>, GenericBounds<'hir>), ItemKind::TraitAlias(ident, generics, bounds), (*ident, generics, bounds); - expect_impl, &'hir Impl<'hir>, ItemKind::Impl(imp), imp; + expect_impl, &Impl<'hir>, ItemKind::Impl(imp), imp; } } @@ -4372,7 +4373,7 @@ pub enum ItemKind<'hir> { TraitAlias(Ident, &'hir Generics<'hir>, GenericBounds<'hir>), /// An implementation, e.g., `impl<A> Trait for Foo { .. }`. - Impl(&'hir Impl<'hir>), + Impl(Impl<'hir>), } /// Represents an impl block declaration. @@ -4381,6 +4382,14 @@ pub enum ItemKind<'hir> { /// Refer to [`ImplItem`] for an associated item within an impl block. #[derive(Debug, Clone, Copy, HashStable_Generic)] pub struct Impl<'hir> { + pub generics: &'hir Generics<'hir>, + pub of_trait: Option<&'hir TraitImplHeader<'hir>>, + pub self_ty: &'hir Ty<'hir>, + pub items: &'hir [ImplItemId], +} + +#[derive(Debug, Clone, Copy, HashStable_Generic)] +pub struct TraitImplHeader<'hir> { pub constness: Constness, pub safety: Safety, pub polarity: ImplPolarity, @@ -4388,13 +4397,7 @@ pub struct Impl<'hir> { // We do not put a `Span` in `Defaultness` because it breaks foreign crate metadata // decoding as `Span`s cannot be decoded when a `Session` is not available. pub defaultness_span: Option<Span>, - pub generics: &'hir Generics<'hir>, - - /// The trait being implemented, if any. - pub of_trait: Option<TraitRef<'hir>>, - - pub self_ty: &'hir Ty<'hir>, - pub items: &'hir [ImplItemId], + pub trait_ref: TraitRef<'hir>, } impl ItemKind<'_> { @@ -4756,8 +4759,8 @@ impl<'hir> Node<'hir> { /// Get a `hir::Impl` if the node is an impl block for the given `trait_def_id`. pub fn impl_block_of_trait(self, trait_def_id: DefId) -> Option<&'hir Impl<'hir>> { if let Node::Item(Item { kind: ItemKind::Impl(impl_block), .. }) = self - && let Some(trait_ref) = impl_block.of_trait - && let Some(trait_id) = trait_ref.trait_def_id() + && let Some(of_trait) = impl_block.of_trait + && let Some(trait_id) = of_trait.trait_ref.trait_def_id() && trait_id == trait_def_id { Some(impl_block) @@ -4952,7 +4955,7 @@ mod size_asserts { static_assert_size!(GenericArg<'_>, 16); static_assert_size!(GenericBound<'_>, 64); static_assert_size!(Generics<'_>, 56); - static_assert_size!(Impl<'_>, 80); + static_assert_size!(Impl<'_>, 40); static_assert_size!(ImplItem<'_>, 96); static_assert_size!(ImplItemKind<'_>, 40); static_assert_size!(Item<'_>, 88); @@ -4967,6 +4970,7 @@ mod size_asserts { static_assert_size!(Res, 12); static_assert_size!(Stmt<'_>, 32); static_assert_size!(StmtKind<'_>, 16); + static_assert_size!(TraitImplHeader<'_>, 48); static_assert_size!(TraitItem<'_>, 88); static_assert_size!(TraitItemKind<'_>, 48); static_assert_size!(Ty<'_>, 48); diff --git a/compiler/rustc_hir/src/intravisit.rs b/compiler/rustc_hir/src/intravisit.rs index 23fa466859a..9b2f8ae75fa 100644 --- a/compiler/rustc_hir/src/intravisit.rs +++ b/compiler/rustc_hir/src/intravisit.rs @@ -590,21 +590,21 @@ pub fn walk_item<'v, V: Visitor<'v>>(visitor: &mut V, item: &'v Item<'v>) -> V:: try_visit!(visitor.visit_generics(generics)); try_visit!(visitor.visit_enum_def(enum_definition)); } - ItemKind::Impl(Impl { - constness: _, - safety: _, - defaultness: _, - polarity: _, - defaultness_span: _, - generics, - of_trait, - self_ty, - items, - }) => { + ItemKind::Impl(Impl { generics, of_trait, self_ty, items }) => { try_visit!(visitor.visit_generics(generics)); - visit_opt!(visitor, visit_trait_ref, of_trait); + if let Some(TraitImplHeader { + constness: _, + safety: _, + polarity: _, + defaultness: _, + defaultness_span: _, + trait_ref, + }) = of_trait + { + try_visit!(visitor.visit_trait_ref(trait_ref)); + } try_visit!(visitor.visit_ty_unambig(self_ty)); - walk_list!(visitor, visit_impl_item_ref, *items); + walk_list!(visitor, visit_impl_item_ref, items); } ItemKind::Struct(ident, ref generics, ref struct_definition) | ItemKind::Union(ident, ref generics, ref struct_definition) => { diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index a62efed13bc..c642435b989 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -244,48 +244,48 @@ pub(super) fn check_item<'tcx>( // // won't be allowed unless there's an *explicit* implementation of `Send` // for `T` - hir::ItemKind::Impl(impl_) => { - let header = tcx.impl_trait_header(def_id); - let is_auto = header - .is_some_and(|header| tcx.trait_is_auto(header.trait_ref.skip_binder().def_id)); - + hir::ItemKind::Impl(ref impl_) => { crate::impl_wf_check::check_impl_wf(tcx, def_id)?; let mut res = Ok(()); - if let (hir::Defaultness::Default { .. }, true) = (impl_.defaultness, is_auto) { - let sp = impl_.of_trait.as_ref().map_or(item.span, |t| t.path.span); - res = Err(tcx - .dcx() - .struct_span_err(sp, "impls of auto traits cannot be default") - .with_span_labels(impl_.defaultness_span, "default because of this") - .with_span_label(sp, "auto trait") - .emit()); - } - // We match on both `ty::ImplPolarity` and `ast::ImplPolarity` just to get the `!` span. - match header.map(|h| h.polarity) { - // `None` means this is an inherent impl - Some(ty::ImplPolarity::Positive) | None => { - res = res.and(check_impl(tcx, item, impl_.self_ty, &impl_.of_trait)); - } - Some(ty::ImplPolarity::Negative) => { - let ast::ImplPolarity::Negative(span) = impl_.polarity else { - bug!("impl_polarity query disagrees with impl's polarity in HIR"); - }; - // FIXME(#27579): what amount of WF checking do we need for neg impls? - if let hir::Defaultness::Default { .. } = impl_.defaultness { - let mut spans = vec![span]; - spans.extend(impl_.defaultness_span); - res = Err(struct_span_code_err!( - tcx.dcx(), - spans, - E0750, - "negative impls cannot be default impls" - ) + if let Some(of_trait) = impl_.of_trait { + let header = tcx.impl_trait_header(def_id).unwrap(); + let is_auto = tcx.trait_is_auto(header.trait_ref.skip_binder().def_id); + if let (hir::Defaultness::Default { .. }, true) = (of_trait.defaultness, is_auto) { + let sp = of_trait.trait_ref.path.span; + res = Err(tcx + .dcx() + .struct_span_err(sp, "impls of auto traits cannot be default") + .with_span_labels(of_trait.defaultness_span, "default because of this") + .with_span_label(sp, "auto trait") .emit()); - } } - Some(ty::ImplPolarity::Reservation) => { - // FIXME: what amount of WF checking do we need for reservation impls? + match header.polarity { + ty::ImplPolarity::Positive => { + res = res.and(check_impl(tcx, item, impl_)); + } + ty::ImplPolarity::Negative => { + let ast::ImplPolarity::Negative(span) = of_trait.polarity else { + bug!("impl_polarity query disagrees with impl's polarity in HIR"); + }; + // FIXME(#27579): what amount of WF checking do we need for neg impls? + if let hir::Defaultness::Default { .. } = of_trait.defaultness { + let mut spans = vec![span]; + spans.extend(of_trait.defaultness_span); + res = Err(struct_span_code_err!( + tcx.dcx(), + spans, + E0750, + "negative impls cannot be default impls" + ) + .emit()); + } + } + ty::ImplPolarity::Reservation => { + // FIXME: what amount of WF checking do we need for reservation impls? + } } + } else { + res = res.and(check_impl(tcx, item, impl_)); } res } @@ -1258,16 +1258,15 @@ pub(crate) fn check_const_item(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<() }) } -#[instrument(level = "debug", skip(tcx, hir_self_ty, hir_trait_ref))] +#[instrument(level = "debug", skip(tcx, impl_))] fn check_impl<'tcx>( tcx: TyCtxt<'tcx>, item: &'tcx hir::Item<'tcx>, - hir_self_ty: &hir::Ty<'_>, - hir_trait_ref: &Option<hir::TraitRef<'_>>, + impl_: &hir::Impl<'_>, ) -> Result<(), ErrorGuaranteed> { enter_wf_checking_ctxt(tcx, item.owner_id.def_id, |wfcx| { - match hir_trait_ref { - Some(hir_trait_ref) => { + match impl_.of_trait { + Some(of_trait) => { // `#[rustc_reservation_impl]` impls are not real impls and // therefore don't need to be WF (the trait's `Self: Trait` predicate // won't hold). @@ -1275,7 +1274,7 @@ fn check_impl<'tcx>( // Avoid bogus "type annotations needed `Foo: Bar`" errors on `impl Bar for Foo` in case // other `Foo` impls are incoherent. tcx.ensure_ok().coherent_trait(trait_ref.def_id)?; - let trait_span = hir_trait_ref.path.span; + let trait_span = of_trait.trait_ref.path.span; let trait_ref = wfcx.deeply_normalize( trait_span, Some(WellFormedLoc::Ty(item.hir_id().expect_owner().def_id)), @@ -1299,12 +1298,12 @@ fn check_impl<'tcx>( if let Some(pred) = obligation.predicate.as_trait_clause() && pred.skip_binder().self_ty() == trait_ref.self_ty() { - obligation.cause.span = hir_self_ty.span; + obligation.cause.span = impl_.self_ty.span; } if let Some(pred) = obligation.predicate.as_projection_clause() && pred.skip_binder().self_ty() == trait_ref.self_ty() { - obligation.cause.span = hir_self_ty.span; + obligation.cause.span = impl_.self_ty.span; } } @@ -1321,7 +1320,7 @@ fn check_impl<'tcx>( wfcx.register_obligation(Obligation::new( tcx, ObligationCause::new( - hir_self_ty.span, + impl_.self_ty.span, wfcx.body_def_id, ObligationCauseCode::WellFormed(None), ), @@ -1342,7 +1341,7 @@ fn check_impl<'tcx>( self_ty, ); wfcx.register_wf_obligation( - hir_self_ty.span, + impl_.self_ty.span, Some(WellFormedLoc::Ty(item.hir_id().expect_owner().def_id)), self_ty.into(), ); diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 27948f50a4a..32b175611ce 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -531,8 +531,10 @@ pub(crate) fn coerce_unsized_info<'tcx>( })); } else if diff_fields.len() > 1 { let item = tcx.hir_expect_item(impl_did); - let span = if let ItemKind::Impl(hir::Impl { of_trait: Some(t), .. }) = &item.kind { - t.path.span + let span = if let ItemKind::Impl(hir::Impl { of_trait: Some(of_trait), .. }) = + &item.kind + { + of_trait.trait_ref.path.span } else { tcx.def_span(impl_did) }; diff --git a/compiler/rustc_hir_analysis/src/coherence/orphan.rs b/compiler/rustc_hir_analysis/src/coherence/orphan.rs index c75fef9f716..f707196c816 100644 --- a/compiler/rustc_hir_analysis/src/coherence/orphan.rs +++ b/compiler/rustc_hir_analysis/src/coherence/orphan.rs @@ -384,7 +384,7 @@ fn emit_orphan_check_error<'tcx>( traits::OrphanCheckErr::NonLocalInputType(tys) => { let item = tcx.hir_expect_item(impl_def_id); let impl_ = item.expect_impl(); - let hir_trait_ref = impl_.of_trait.as_ref().unwrap(); + let of_trait = impl_.of_trait.unwrap(); let span = tcx.def_span(impl_def_id); let mut diag = tcx.dcx().create_err(match trait_ref.self_ty().kind() { @@ -401,7 +401,7 @@ fn emit_orphan_check_error<'tcx>( impl_.self_ty.span } else { // Point at `C<B>` in `impl<A, B> for C<B> in D<A>` - hir_trait_ref.path.span + of_trait.trait_ref.path.span }; ty = tcx.erase_regions(ty); diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 8ccbfbbb3b4..b72e743f95b 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -1295,18 +1295,22 @@ fn impl_trait_header(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<ty::ImplTrai let icx = ItemCtxt::new(tcx, def_id); let item = tcx.hir_expect_item(def_id); let impl_ = item.expect_impl(); - impl_.of_trait.as_ref().map(|ast_trait_ref| { + let is_rustc_reservation = tcx.has_attr(def_id, sym::rustc_reservation_impl); + if is_rustc_reservation && impl_.of_trait.is_none() { + tcx.dcx().span_err(item.span, "reservation impls can't be inherent"); + } + impl_.of_trait.map(|of_trait| { let selfty = tcx.type_of(def_id).instantiate_identity(); - check_impl_constness(tcx, impl_.constness, ast_trait_ref); + check_impl_constness(tcx, of_trait.constness, &of_trait.trait_ref); - let trait_ref = icx.lowerer().lower_impl_trait_ref(ast_trait_ref, selfty); + let trait_ref = icx.lowerer().lower_impl_trait_ref(&of_trait.trait_ref, selfty); ty::ImplTraitHeader { trait_ref: ty::EarlyBinder::bind(trait_ref), - safety: impl_.safety, - polarity: polarity_of_impl(tcx, def_id, impl_, item.span), - constness: impl_.constness, + safety: of_trait.safety, + polarity: polarity_of_impl(tcx, of_trait, is_rustc_reservation), + constness: of_trait.constness, } }) } @@ -1350,26 +1354,18 @@ fn check_impl_constness( fn polarity_of_impl( tcx: TyCtxt<'_>, - def_id: LocalDefId, - impl_: &hir::Impl<'_>, - span: Span, + of_trait: &hir::TraitImplHeader<'_>, + is_rustc_reservation: bool, ) -> ty::ImplPolarity { - let is_rustc_reservation = tcx.has_attr(def_id, sym::rustc_reservation_impl); - match &impl_ { - hir::Impl { polarity: hir::ImplPolarity::Negative(span), of_trait, .. } => { + match of_trait.polarity { + hir::ImplPolarity::Negative(span) => { if is_rustc_reservation { - let span = span.to(of_trait.as_ref().map_or(*span, |t| t.path.span)); + let span = span.to(of_trait.trait_ref.path.span); tcx.dcx().span_err(span, "reservation impls can't be negative"); } ty::ImplPolarity::Negative } - hir::Impl { polarity: hir::ImplPolarity::Positive, of_trait: None, .. } => { - if is_rustc_reservation { - tcx.dcx().span_err(span, "reservation impls can't be inherent"); - } - ty::ImplPolarity::Positive - } - hir::Impl { polarity: hir::ImplPolarity::Positive, of_trait: Some(_), .. } => { + hir::ImplPolarity::Positive => { if is_rustc_reservation { ty::ImplPolarity::Reservation } else { diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index 8dd13da4fa7..b59dc4bd132 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -158,7 +158,9 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen if let Node::Item(item) = node { match item.kind { ItemKind::Impl(impl_) => { - if impl_.defaultness.is_default() { + if let Some(of_trait) = impl_.of_trait + && of_trait.defaultness.is_default() + { is_default_impl_trait = tcx .impl_trait_ref(def_id) .map(|t| ty::Binder::dummy(t.instantiate_identity())); 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 eb3492f5de6..8133f9f6823 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -604,13 +604,10 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { #[instrument(level = "debug", skip(self))] fn visit_item(&mut self, item: &'tcx hir::Item<'tcx>) { - match &item.kind { - hir::ItemKind::Impl(hir::Impl { of_trait, .. }) => { - if let Some(of_trait) = of_trait { - self.record_late_bound_vars(of_trait.hir_ref_id, Vec::default()); - } - } - _ => {} + if let hir::ItemKind::Impl(impl_) = item.kind + && let Some(of_trait) = impl_.of_trait + { + self.record_late_bound_vars(of_trait.trait_ref.hir_ref_id, Vec::default()); } match item.kind { hir::ItemKind::Fn { generics, .. } => { @@ -636,7 +633,7 @@ impl<'a, 'tcx> Visitor<'tcx> for BoundVarContext<'a, 'tcx> { | hir::ItemKind::Union(_, generics, _) | hir::ItemKind::Trait(_, _, _, _, generics, ..) | hir::ItemKind::TraitAlias(_, generics, ..) - | hir::ItemKind::Impl(&hir::Impl { generics, .. }) => { + | hir::ItemKind::Impl(hir::Impl { generics, .. }) => { // These kinds of items have only early-bound lifetime parameters. self.visit_early(item.hir_id(), generics, |this| intravisit::walk_item(this, item)); } @@ -2106,7 +2103,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { // If we have a self type alias (in an impl), try to resolve an // associated item from one of the supertraits of the impl's trait. Res::SelfTyAlias { alias_to: impl_def_id, is_trait_impl: true, .. } => { - let hir::ItemKind::Impl(hir::Impl { of_trait: Some(trait_ref), .. }) = self + let hir::ItemKind::Impl(hir::Impl { of_trait: Some(of_trait), .. }) = self .tcx .hir_node_by_def_id(impl_def_id.expect_local()) .expect_item() @@ -2114,7 +2111,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { else { return; }; - let Some(trait_def_id) = trait_ref.trait_def_id() else { + let Some(trait_def_id) = of_trait.trait_ref.trait_def_id() else { return; }; let Some((bound_vars, assoc_item)) = BoundVarContext::supertrait_hrtb_vars( diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 22fb02714dd..62125c99d80 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -251,7 +251,7 @@ pub(super) fn type_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::EarlyBinder<'_ .emit_err(crate::errors::SelfInImplSelf { span: spans.into(), note: () }); Ty::new_error(tcx, guar) } - _ => icx.lower_ty(*self_ty), + _ => icx.lower_ty(self_ty), }, ItemKind::Fn { .. } => { let args = ty::GenericArgs::identity_for_item(tcx, def_id); diff --git a/compiler/rustc_hir_analysis/src/errors/wrong_number_of_generic_args.rs b/compiler/rustc_hir_analysis/src/errors/wrong_number_of_generic_args.rs index 835f8e8cdae..8a9f9130fea 100644 --- a/compiler/rustc_hir_analysis/src/errors/wrong_number_of_generic_args.rs +++ b/compiler/rustc_hir_analysis/src/errors/wrong_number_of_generic_args.rs @@ -147,7 +147,11 @@ impl<'a, 'tcx> WrongNumberOfGenericArgs<'a, 'tcx> { let hir::Node::Item(hir::Item { kind: hir::ItemKind::Impl(hir::Impl { - of_trait: Some(hir::TraitRef { hir_ref_id: id_in_of_trait, .. }), + of_trait: + Some(hir::TraitImplHeader { + trait_ref: hir::TraitRef { hir_ref_id: id_in_of_trait, .. }, + .. + }), .. }), .. diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs index 646ff3ca08d..56998b5b53c 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/lint.rs @@ -200,7 +200,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }) = tcx.hir_node_by_def_id(parent_id) && self_ty.hir_id == impl_self_ty.hir_id { - let Some(of_trait_ref) = of_trait else { + let Some(of_trait) = of_trait else { diag.span_suggestion_verbose( impl_self_ty.span.shrink_to_hi(), "you might have intended to implement this trait for a given type", @@ -209,10 +209,10 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { ); return; }; - if !of_trait_ref.trait_def_id().is_some_and(|def_id| def_id.is_local()) { + if !of_trait.trait_ref.trait_def_id().is_some_and(|def_id| def_id.is_local()) { return; } - let of_trait_span = of_trait_ref.path.span; + let of_trait_span = of_trait.trait_ref.path.span; // make sure that we are not calling unwrap to abort during the compilation let Ok(of_trait_name) = tcx.sess.source_map().span_to_snippet(of_trait_span) else { return; diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index 1675aecd2b8..c7b984d9b25 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -2732,7 +2732,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { }; let i = tcx.parent_hir_node(fn_hir_id).expect_item().expect_impl(); - let trait_ref = self.lower_impl_trait_ref(i.of_trait.as_ref()?, self.lower_ty(i.self_ty)); + let trait_ref = self.lower_impl_trait_ref(&i.of_trait?.trait_ref, self.lower_ty(i.self_ty)); let assoc = tcx.associated_items(trait_ref.def_id).find_by_ident_and_kind( tcx, diff --git a/compiler/rustc_hir_analysis/src/hir_wf_check.rs b/compiler/rustc_hir_analysis/src/hir_wf_check.rs index 3fddaee8cef..d8578970adc 100644 --- a/compiler/rustc_hir_analysis/src/hir_wf_check.rs +++ b/compiler/rustc_hir_analysis/src/hir_wf_check.rs @@ -154,8 +154,9 @@ pub(super) fn diagnostic_hir_wf_check<'tcx>( hir::ItemKind::TyAlias(_, _, ty) | hir::ItemKind::Static(_, _, ty, _) | hir::ItemKind::Const(_, _, ty, _) => vec![ty], - hir::ItemKind::Impl(impl_) => match &impl_.of_trait { - Some(t) => t + hir::ItemKind::Impl(impl_) => match impl_.of_trait { + Some(of_trait) => of_trait + .trait_ref .path .segments .last() diff --git a/compiler/rustc_hir_pretty/src/lib.rs b/compiler/rustc_hir_pretty/src/lib.rs index 235eec96d74..be5859b57c5 100644 --- a/compiler/rustc_hir_pretty/src/lib.rs +++ b/compiler/rustc_hir_pretty/src/lib.rs @@ -690,39 +690,44 @@ impl<'a> State<'a> { let (cb, ib) = self.head("union"); self.print_struct(ident.name, generics, struct_def, item.span, true, cb, ib); } - hir::ItemKind::Impl(&hir::Impl { - constness, - safety, - polarity, - defaultness, - defaultness_span: _, - generics, - ref of_trait, - self_ty, - items, - }) => { + hir::ItemKind::Impl(hir::Impl { generics, of_trait, self_ty, items }) => { let (cb, ib) = self.head(""); - self.print_defaultness(defaultness); - self.print_safety(safety); - self.word_nbsp("impl"); - if let hir::Constness::Const = constness { - self.word_nbsp("const"); - } + let impl_generics = |this: &mut Self| { + this.word_nbsp("impl"); + if !generics.params.is_empty() { + this.print_generic_params(generics.params); + this.space(); + } + }; - if !generics.params.is_empty() { - self.print_generic_params(generics.params); - self.space(); - } + match of_trait { + None => impl_generics(self), + Some(&hir::TraitImplHeader { + constness, + safety, + polarity, + defaultness, + defaultness_span: _, + ref trait_ref, + }) => { + self.print_defaultness(defaultness); + self.print_safety(safety); + + impl_generics(self); + + if let hir::Constness::Const = constness { + self.word_nbsp("const"); + } - if let hir::ImplPolarity::Negative(_) = polarity { - self.word("!"); - } + if let hir::ImplPolarity::Negative(_) = polarity { + self.word("!"); + } - if let Some(t) = of_trait { - self.print_trait_ref(t); - self.space(); - self.word_space("for"); + self.print_trait_ref(trait_ref); + self.space(); + self.word_space("for"); + } } self.print_type(self_ty); diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 2345cdab208..6013430e1ff 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -936,7 +936,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { Node::ImplItem(item) => { // If it doesn't impl a trait, we can add a return type let Node::Item(&hir::Item { - kind: hir::ItemKind::Impl(&hir::Impl { of_trait, .. }), + kind: hir::ItemKind::Impl(hir::Impl { of_trait, .. }), .. }) = self.tcx.parent_hir_node(item.hir_id()) else { diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index f7430f7af4e..824d592fa6c 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -1103,7 +1103,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self_ty.span.ctxt().outer_expn_data().kind, ExpnKind::Macro(MacroKind::Derive, _) ) || matches!( - of_trait.as_ref().map(|t| t.path.span.ctxt().outer_expn_data().kind), + of_trait.map(|t| t.trait_ref.path.span.ctxt().outer_expn_data().kind), Some(ExpnKind::Macro(MacroKind::Derive, _)) ) => { @@ -1165,13 +1165,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { entry.0.insert(cause_span); entry.1.insert((cause_span, "unsatisfied trait bound introduced here")); } else { - if let Some(trait_ref) = of_trait { - entry.0.insert(trait_ref.path.span); + if let Some(of_trait) = of_trait { + entry.0.insert(of_trait.trait_ref.path.span); } entry.0.insert(self_ty.span); }; - if let Some(trait_ref) = of_trait { - entry.1.insert((trait_ref.path.span, "")); + if let Some(of_trait) = of_trait { + entry.1.insert((of_trait.trait_ref.path.span, "")); } entry.1.insert((self_ty.span, "")); } diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index 4d0c0c94a81..c485e6fc849 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -349,6 +349,7 @@ lint_ill_formed_attribute_input = {$num_suggestions -> [1] attribute must be of the form {$suggestions} *[other] valid forms for the attribute are {$suggestions} } + .note = for more information, visit <{$docs}> lint_impl_trait_overcaptures = `{$self_ty}` will capture more lifetimes than possibly intended in edition 2024 .note = specifically, {$num_captured -> @@ -982,6 +983,7 @@ lint_unused_allocation_mut = unnecessary allocation, use `&mut` instead lint_unused_builtin_attribute = unused attribute `{$attr_name}` .note = the built-in attribute `{$attr_name}` will be ignored, since it's applied to the macro invocation `{$macro_name}` + .suggestion = remove the attribute lint_unused_closure = unused {$pre}{$count -> diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index c893b723375..8006cfcf30f 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -21,6 +21,7 @@ use rustc_ast::tokenstream::{TokenStream, TokenTree}; use rustc_ast::visit::{FnCtxt, FnKind}; use rustc_ast::{self as ast, *}; use rustc_ast_pretty::pprust::expr_to_string; +use rustc_attr_parsing::AttributeParser; use rustc_errors::{Applicability, LintDiagnostic}; use rustc_feature::GateIssue; use rustc_hir as hir; @@ -248,12 +249,6 @@ impl UnsafeCode { } impl EarlyLintPass for UnsafeCode { - fn check_attribute(&mut self, cx: &EarlyContext<'_>, attr: &ast::Attribute) { - if attr.has_name(sym::allow_internal_unsafe) { - self.report_unsafe(cx, attr.span, BuiltinUnsafe::AllowInternalUnsafe); - } - } - #[inline] fn check_expr(&mut self, cx: &EarlyContext<'_>, e: &ast::Expr) { if let ast::ExprKind::Block(ref blk, _) = e.kind { @@ -270,7 +265,10 @@ impl EarlyLintPass for UnsafeCode { self.report_unsafe(cx, it.span, BuiltinUnsafe::UnsafeTrait); } - ast::ItemKind::Impl(box ast::Impl { safety: ast::Safety::Unsafe(_), .. }) => { + ast::ItemKind::Impl(ast::Impl { + of_trait: Some(box ast::TraitImplHeader { safety: ast::Safety::Unsafe(_), .. }), + .. + }) => { self.report_unsafe(cx, it.span, BuiltinUnsafe::UnsafeImpl); } @@ -312,6 +310,19 @@ impl EarlyLintPass for UnsafeCode { } } + ast::ItemKind::MacroDef(..) => { + if let Some(attr) = AttributeParser::parse_limited( + cx.builder.sess(), + &it.attrs, + sym::allow_internal_unsafe, + it.span, + DUMMY_NODE_ID, + Some(cx.builder.features()), + ) { + self.report_unsafe(cx, attr.span(), BuiltinUnsafe::AllowInternalUnsafe); + } + } + _ => {} } } diff --git a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs index dd16117db1c..943fcc0801b 100644 --- a/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs +++ b/compiler/rustc_lint/src/deref_into_dyn_supertrait.rs @@ -61,8 +61,8 @@ impl<'tcx> LateLintPass<'tcx> for DerefIntoDynSupertrait { // `Deref` is being implemented for `t` if let hir::ItemKind::Impl(impl_) = item.kind // the trait is a `Deref` implementation - && let Some(trait_) = &impl_.of_trait - && let Some(did) = trait_.trait_def_id() + && let Some(of_trait) = &impl_.of_trait + && let Some(did) = of_trait.trait_ref.trait_def_id() && tcx.is_lang_item(did, LangItem::Deref) // the self type is `dyn t_principal` && let self_ty = tcx.type_of(item.owner_id).instantiate_identity() diff --git a/compiler/rustc_lint/src/early/diagnostics.rs b/compiler/rustc_lint/src/early/diagnostics.rs index f0fbf5bc81e..678d3d1f8ed 100644 --- a/compiler/rustc_lint/src/early/diagnostics.rs +++ b/compiler/rustc_lint/src/early/diagnostics.rs @@ -205,8 +205,14 @@ pub fn decorate_builtin_lint( } .decorate_lint(diag); } - BuiltinLintDiag::UnusedBuiltinAttribute { attr_name, macro_name, invoc_span } => { - lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name }.decorate_lint(diag); + BuiltinLintDiag::UnusedBuiltinAttribute { + attr_name, + macro_name, + invoc_span, + attr_span, + } => { + lints::UnusedBuiltinAttribute { invoc_span, attr_name, macro_name, attr_span } + .decorate_lint(diag); } BuiltinLintDiag::TrailingMacro(is_trailing, name) => { lints::TrailingMacro { is_trailing, name }.decorate_lint(diag); @@ -447,12 +453,14 @@ pub fn decorate_builtin_lint( BuiltinLintDiag::UnusedCrateDependency { extern_crate, local_crate } => { lints::UnusedCrateDependency { extern_crate, local_crate }.decorate_lint(diag) } - BuiltinLintDiag::IllFormedAttributeInput { suggestions } => { + BuiltinLintDiag::IllFormedAttributeInput { suggestions, docs } => { lints::IllFormedAttributeInput { num_suggestions: suggestions.len(), suggestions: DiagArgValue::StrListSepByAnd( suggestions.into_iter().map(|s| format!("`{s}`").into()).collect(), ), + has_docs: docs.is_some(), + docs: docs.unwrap_or(""), } .decorate_lint(diag) } diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 7dafcc199a3..016ff17f5d7 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -411,11 +411,11 @@ declare_lint_pass!(LintPassImpl => [LINT_PASS_IMPL_WITHOUT_MACRO]); impl EarlyLintPass for LintPassImpl { fn check_item(&mut self, cx: &EarlyContext<'_>, item: &ast::Item) { - if let ast::ItemKind::Impl(box ast::Impl { of_trait: Some(lint_pass), .. }) = &item.kind - && let Some(last) = lint_pass.path.segments.last() + if let ast::ItemKind::Impl(ast::Impl { of_trait: Some(of_trait), .. }) = &item.kind + && let Some(last) = of_trait.trait_ref.path.segments.last() && last.ident.name == sym::LintPass { - let expn_data = lint_pass.path.span.ctxt().outer_expn_data(); + let expn_data = of_trait.trait_ref.path.span.ctxt().outer_expn_data(); let call_site = expn_data.call_site; if expn_data.kind != ExpnKind::Macro(MacroKind::Bang, sym::impl_lint_pass) && call_site.ctxt().outer_expn_data().kind @@ -423,7 +423,7 @@ impl EarlyLintPass for LintPassImpl { { cx.emit_span_lint( LINT_PASS_IMPL_WITHOUT_MACRO, - lint_pass.path.span, + of_trait.trait_ref.path.span, LintPassByHand, ); } @@ -582,8 +582,8 @@ impl Diagnostics { for (_hir_id, parent) in cx.tcx.hir_parent_iter(current_id) { debug!(?parent); if let hir::Node::Item(hir::Item { kind: hir::ItemKind::Impl(impl_), .. }) = parent - && let hir::Impl { of_trait: Some(of_trait), .. } = impl_ - && let Some(def_id) = of_trait.trait_def_id() + && let Some(of_trait) = impl_.of_trait + && let Some(def_id) = of_trait.trait_ref.trait_def_id() && let Some(name) = cx.tcx.get_diagnostic_name(def_id) && matches!(name, sym::Diagnostic | sym::Subdiagnostic | sym::LintDiagnostic) { diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 73e69a1791a..a6d59af6900 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -2685,6 +2685,9 @@ pub(crate) struct UnusedCrateDependency { pub(crate) struct IllFormedAttributeInput { pub num_suggestions: usize, pub suggestions: DiagArgValue, + #[note] + pub has_docs: bool, + pub docs: &'static str, } #[derive(LintDiagnostic)] @@ -2935,9 +2938,10 @@ pub(crate) struct RawPrefix { pub(crate) struct UnusedBuiltinAttribute { #[note] pub invoc_span: Span, - pub attr_name: Symbol, pub macro_name: String, + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] + pub attr_span: Span, } #[derive(LintDiagnostic)] diff --git a/compiler/rustc_lint/src/non_local_def.rs b/compiler/rustc_lint/src/non_local_def.rs index b877f909fc0..2dd3425e66c 100644 --- a/compiler/rustc_lint/src/non_local_def.rs +++ b/compiler/rustc_lint/src/non_local_def.rs @@ -129,8 +129,8 @@ impl<'tcx> LateLintPass<'tcx> for NonLocalDefinitions { // of the `impl` definition let mut collector = PathCollector { paths: Vec::new() }; collector.visit_ty_unambig(&impl_.self_ty); - if let Some(of_trait) = &impl_.of_trait { - collector.visit_trait_ref(of_trait); + if let Some(of_trait) = impl_.of_trait { + collector.visit_trait_ref(&of_trait.trait_ref); } // 1.5. Remove any path that doesn't resolve to a `DefId` or if it resolve to a diff --git a/compiler/rustc_lint/src/nonstandard_style.rs b/compiler/rustc_lint/src/nonstandard_style.rs index 7e5f43ba77f..8fafaa33d0c 100644 --- a/compiler/rustc_lint/src/nonstandard_style.rs +++ b/compiler/rustc_lint/src/nonstandard_style.rs @@ -187,7 +187,7 @@ impl EarlyLintPass for NonCamelCaseTypes { // N.B. This check is only for inherent associated types, so that we don't lint against // trait impls where we should have warned for the trait definition already. - ast::ItemKind::Impl(box ast::Impl { of_trait: None, items, .. }) => { + ast::ItemKind::Impl(ast::Impl { of_trait: None, items, .. }) => { for it in items { // FIXME: this doesn't respect `#[allow(..)]` on the item itself. if let ast::AssocItemKind::Type(alias) = &it.kind { diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index fe068d96b74..3bb7bbce567 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -647,6 +647,7 @@ pub enum BuiltinLintDiag { attr_name: Symbol, macro_name: String, invoc_span: Span, + attr_span: Span, }, PatternsInFnsWithoutBody { span: Span, @@ -793,6 +794,7 @@ pub enum BuiltinLintDiag { }, IllFormedAttributeInput { suggestions: Vec<String>, + docs: Option<&'static str>, }, InnerAttributeUnstable { is_macro: bool, diff --git a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs index 94384e64afd..52341df0740 100644 --- a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs +++ b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs @@ -3,6 +3,7 @@ use std::borrow::Cow; use rustc_abi::Align; use rustc_ast::expand::autodiff_attrs::AutoDiffAttrs; use rustc_hir::attrs::{InlineAttr, InstructionSetAttr, OptimizeAttr}; +use rustc_hir::def_id::DefId; use rustc_macros::{HashStable, TyDecodable, TyEncodable}; use rustc_span::Symbol; use rustc_target::spec::SanitizerSet; @@ -193,7 +194,11 @@ impl CodegenFnAttrs { /// * `#[linkage]` is present /// /// Keep this in sync with the logic for the unused_attributes for `#[inline]` lint. - pub fn contains_extern_indicator(&self) -> bool { + pub fn contains_extern_indicator(&self, tcx: TyCtxt<'_>, did: DefId) -> bool { + if tcx.is_foreign_item(did) { + return false; + } + self.flags.contains(CodegenFnAttrFlags::NO_MANGLE) || self.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) || self.export_name.is_some() diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index e5864660575..3afd946b30a 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -151,7 +151,7 @@ impl<'tcx> MonoItem<'tcx> { // instantiation: // We emit an unused_attributes lint for this case, which should be kept in sync if possible. let codegen_fn_attrs = tcx.codegen_instance_attrs(instance.def); - if codegen_fn_attrs.contains_extern_indicator() + if codegen_fn_attrs.contains_extern_indicator(tcx, instance.def.def_id()) || codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) { return InstantiationMode::GloballyShared { may_conflict: false }; diff --git a/compiler/rustc_mir_transform/src/cross_crate_inline.rs b/compiler/rustc_mir_transform/src/cross_crate_inline.rs index b186c2bd775..03fdf9fbac5 100644 --- a/compiler/rustc_mir_transform/src/cross_crate_inline.rs +++ b/compiler/rustc_mir_transform/src/cross_crate_inline.rs @@ -18,7 +18,7 @@ fn cross_crate_inlinable(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { let codegen_fn_attrs = tcx.codegen_fn_attrs(def_id); // If this has an extern indicator, then this function is globally shared and thus will not // generate cgu-internal copies which would make it cross-crate inlinable. - if codegen_fn_attrs.contains_extern_indicator() { + if codegen_fn_attrs.contains_extern_indicator(tcx, def_id.into()) { return false; } diff --git a/compiler/rustc_parse/messages.ftl b/compiler/rustc_parse/messages.ftl index aaf1b6c05bf..3a21eea3d0a 100644 --- a/compiler/rustc_parse/messages.ftl +++ b/compiler/rustc_parse/messages.ftl @@ -869,6 +869,11 @@ parse_trait_alias_cannot_be_auto = trait aliases cannot be `auto` parse_trait_alias_cannot_be_const = trait aliases cannot be `const` parse_trait_alias_cannot_be_unsafe = trait aliases cannot be `unsafe` +parse_trait_impl_modifier_in_inherent_impl = inherent impls cannot be {$modifier_name} + .because = {$modifier_name} because of this + .type = inherent impl for this type + .note = only trait implementations may be annotated with `{$modifier}` + parse_transpose_dyn_or_impl = `for<...>` expected after `{$kw}`, not before .suggestion = move `{$kw}` before the `for<...>` diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index ddb2c545c78..a07d0606fd0 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -71,6 +71,20 @@ pub(crate) struct BadQPathStage2 { pub wrap: WrapType, } +#[derive(Diagnostic)] +#[diag(parse_trait_impl_modifier_in_inherent_impl)] +#[note] +pub(crate) struct TraitImplModifierInInherentImpl { + #[primary_span] + pub span: Span, + pub modifier: &'static str, + pub modifier_name: &'static str, + #[label(parse_because)] + pub modifier_span: Span, + #[label(parse_type)] + pub self_ty: Span, +} + #[derive(Subdiagnostic)] #[multipart_suggestion(parse_suggestion, applicability = "machine-applicable")] pub(crate) struct WrapType { diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 14a90e74049..607adaf0829 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -663,20 +663,44 @@ impl<'a> Parser<'a> { }; let trait_ref = TraitRef { path, ref_id: ty_first.id }; - (Some(trait_ref), ty_second) + let of_trait = Some(Box::new(TraitImplHeader { + defaultness, + safety, + constness, + polarity, + trait_ref, + })); + (of_trait, ty_second) + } + None => { + let self_ty = ty_first; + let error = |modifier, modifier_name, modifier_span| { + self.dcx().create_err(errors::TraitImplModifierInInherentImpl { + span: self_ty.span, + modifier, + modifier_name, + modifier_span, + self_ty: self_ty.span, + }) + }; + + if let Safety::Unsafe(span) = safety { + error("unsafe", "unsafe", span).with_code(E0197).emit(); + } + if let ImplPolarity::Negative(span) = polarity { + error("!", "negative", span).emit(); + } + if let Defaultness::Default(def_span) = defaultness { + error("default", "default", def_span).emit(); + } + if let Const::Yes(span) = constness { + error("const", "const", span).emit(); + } + (None, self_ty) } - None => (None, ty_first), // impl Type }; - Ok(ItemKind::Impl(Box::new(Impl { - safety, - polarity, - defaultness, - constness, - generics, - of_trait, - self_ty, - items: impl_items, - }))) + + Ok(ItemKind::Impl(Impl { generics, of_trait, self_ty, items: impl_items })) } fn parse_item_delegation(&mut self) -> PResult<'a, ItemKind> { @@ -1364,10 +1388,10 @@ impl<'a> Parser<'a> { }; match &mut item_kind { - ItemKind::Impl(box Impl { of_trait: Some(trai), constness, .. }) => { - *constness = Const::Yes(const_span); + ItemKind::Impl(Impl { of_trait: Some(of_trait), .. }) => { + of_trait.constness = Const::Yes(const_span); - let before_trait = trai.path.span.shrink_to_lo(); + let before_trait = of_trait.trait_ref.path.span.shrink_to_lo(); let const_up_to_impl = const_span.with_hi(impl_span.lo()); err.with_multipart_suggestion( "you might have meant to write a const trait impl", diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index a7f8d3b9139..68ef6d6f32c 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -298,35 +298,42 @@ fn emit_malformed_attribute( suggestions.push(format!("#{inner}[{name}]")); } if let Some(descr) = template.list { - suggestions.push(format!("#{inner}[{name}({descr})]")); + for descr in descr { + suggestions.push(format!("#{inner}[{name}({descr})]")); + } } suggestions.extend(template.one_of.iter().map(|&word| format!("#{inner}[{name}({word})]"))); if let Some(descr) = template.name_value_str { - suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); + for descr in descr { + suggestions.push(format!("#{inner}[{name} = \"{descr}\"]")); + } } if should_warn(name) { psess.buffer_lint( ILL_FORMED_ATTRIBUTE_INPUT, span, ast::CRATE_NODE_ID, - BuiltinLintDiag::IllFormedAttributeInput { suggestions: suggestions.clone() }, + BuiltinLintDiag::IllFormedAttributeInput { + suggestions: suggestions.clone(), + docs: template.docs, + }, ); } else { suggestions.sort(); - psess - .dcx() - .struct_span_err(span, error_msg) - .with_span_suggestions( - span, - if suggestions.len() == 1 { - "must be of the form" - } else { - "the following are the possible correct uses" - }, - suggestions, - Applicability::HasPlaceholders, - ) - .emit(); + let mut err = psess.dcx().struct_span_err(span, error_msg).with_span_suggestions( + span, + if suggestions.len() == 1 { + "must be of the form" + } else { + "the following are the possible correct uses" + }, + suggestions, + Applicability::HasPlaceholders, + ); + if let Some(link) = template.docs { + err.note(format!("for more information, visit <{link}>")); + } + err.emit(); } } diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index 6a28fe2617e..eb03235de0c 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -29,7 +29,7 @@ passes_allow_incoherent_impl = `rustc_allow_incoherent_impl` attribute should be applied to impl items .label = the only currently supported targets are inherent methods -passes_allow_internal_unstable = +passes_macro_only_attribute = attribute should be applied to a macro .label = not a macro @@ -510,6 +510,7 @@ passes_must_not_suspend = passes_must_use_no_effect = `#[must_use]` has no effect when applied to {$article} {$target} + .suggestion = remove the attribute passes_no_link = attribute should be applied to an `extern crate` item @@ -669,8 +670,8 @@ passes_rustc_std_internal_symbol = .label = not a function or static passes_rustc_unstable_feature_bound = - attribute should be applied to `impl` or free function outside of any `impl` or trait - .label = not an `impl` or free function + attribute should be applied to `impl`, trait or free function + .label = not an `impl`, trait or free function passes_should_be_applied_to_fn = attribute should be applied to a function definition diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 10c532b436a..165f8fe1995 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -207,6 +207,9 @@ impl<'tcx> CheckAttrVisitor<'tcx> { Attribute::Parsed(AttributeKind::ConstContinue(attr_span)) => { self.check_const_continue(hir_id, *attr_span, target) } + Attribute::Parsed(AttributeKind::AllowInternalUnsafe(attr_span)) => { + self.check_allow_internal_unsafe(hir_id, *attr_span, span, target, attrs) + } Attribute::Parsed(AttributeKind::AllowInternalUnstable(_, first_span)) => { self.check_allow_internal_unstable(hir_id, *first_span, span, target, attrs) } @@ -413,7 +416,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { // internal | sym::prelude_import | sym::panic_handler - | sym::allow_internal_unsafe | sym::lang | sym::needs_allocator | sym::default_lib_allocator @@ -561,7 +563,24 @@ impl<'tcx> CheckAttrVisitor<'tcx> { match target { Target::Fn | Target::Closure - | Target::Method(MethodKind::Trait { body: true } | MethodKind::Inherent) => {} + | Target::Method(MethodKind::Trait { body: true } | MethodKind::Inherent) => { + // `#[inline]` is ignored if the symbol must be codegened upstream because it's exported. + if let Some(did) = hir_id.as_owner() + && self.tcx.def_kind(did).has_codegen_attrs() + && kind != &InlineAttr::Never + { + let attrs = self.tcx.codegen_fn_attrs(did); + // Not checking naked as `#[inline]` is forbidden for naked functions anyways. + if attrs.contains_extern_indicator(self.tcx, did.into()) { + self.tcx.emit_node_span_lint( + UNUSED_ATTRIBUTES, + hir_id, + attr_span, + errors::InlineIgnoredForExported {}, + ); + } + } + } Target::Method(MethodKind::Trait { body: false }) | Target::ForeignFn => { self.tcx.emit_node_span_lint( UNUSED_ATTRIBUTES, @@ -588,23 +607,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { self.dcx().emit_err(errors::InlineNotFnOrClosure { attr_span, defn_span }); } } - - // `#[inline]` is ignored if the symbol must be codegened upstream because it's exported. - if let Some(did) = hir_id.as_owner() - && self.tcx.def_kind(did).has_codegen_attrs() - && kind != &InlineAttr::Never - { - let attrs = self.tcx.codegen_fn_attrs(did); - // Not checking naked as `#[inline]` is forbidden for naked functions anyways. - if attrs.contains_extern_indicator() { - self.tcx.emit_node_span_lint( - UNUSED_ATTRIBUTES, - hir_id, - attr_span, - errors::InlineIgnoredForExported {}, - ); - } - } } /// Checks that `#[coverage(..)]` is applied to a function/closure/method, @@ -1155,8 +1157,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { let is_valid = doc_fake_variadic_is_allowed_self_ty(i.self_ty) || if let Some(&[hir::GenericArg::Type(ty)]) = i .of_trait - .as_ref() - .and_then(|trait_ref| trait_ref.path.segments.last()) + .and_then(|of_trait| of_trait.trait_ref.path.segments.last()) .map(|last_segment| last_segment.args().args) { matches!(&ty.kind, hir::TyKind::Tup([_])) @@ -1621,7 +1622,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { UNUSED_ATTRIBUTES, hir_id, attr_span, - errors::MustUseNoEffect { article, target }, + errors::MustUseNoEffect { article, target, attr_span }, ); } @@ -1646,8 +1647,8 @@ impl<'tcx> CheckAttrVisitor<'tcx> { && let parent_hir_id = self.tcx.parent_hir_id(hir_id) && let hir::Node::Item(item) = self.tcx.hir_node(parent_hir_id) && let hir::ItemKind::Impl(impl_) = item.kind - && let Some(trait_) = impl_.of_trait - && let Some(def_id) = trait_.trait_def_id() + && let Some(of_trait) = impl_.of_trait + && let Some(def_id) = of_trait.trait_ref.trait_def_id() && self.tcx.is_lang_item(def_id, hir::LangItem::Drop) { return; @@ -2212,7 +2213,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { /// Outputs an error for `#[allow_internal_unstable]` which can only be applied to macros. /// (Allows proc_macro functions) - // FIXME(jdonszelmann): if possible, move to attr parsing fn check_allow_internal_unstable( &self, hir_id: HirId, @@ -2221,6 +2221,42 @@ impl<'tcx> CheckAttrVisitor<'tcx> { target: Target, attrs: &[Attribute], ) { + self.check_macro_only_attr( + hir_id, + attr_span, + span, + target, + attrs, + "allow_internal_unstable", + ) + } + + /// Outputs an error for `#[allow_internal_unsafe]` which can only be applied to macros. + /// (Allows proc_macro functions) + fn check_allow_internal_unsafe( + &self, + hir_id: HirId, + attr_span: Span, + span: Span, + target: Target, + attrs: &[Attribute], + ) { + self.check_macro_only_attr(hir_id, attr_span, span, target, attrs, "allow_internal_unsafe") + } + + /// Outputs an error for attributes that can only be applied to macros, such as + /// `#[allow_internal_unsafe]` and `#[allow_internal_unstable]`. + /// (Allows proc_macro functions) + // FIXME(jdonszelmann): if possible, move to attr parsing + fn check_macro_only_attr( + &self, + hir_id: HirId, + attr_span: Span, + span: Span, + target: Target, + attrs: &[Attribute], + attr_name: &str, + ) { match target { Target::Fn => { for attr in attrs { @@ -2238,18 +2274,14 @@ impl<'tcx> CheckAttrVisitor<'tcx> { // erroneously allowed it and some crates used it accidentally, to be compatible // with crates depending on them, we can't throw an error here. Target::Field | Target::Arm => { - self.inline_attr_str_error_without_macro_def( - hir_id, - attr_span, - "allow_internal_unstable", - ); + self.inline_attr_str_error_without_macro_def(hir_id, attr_span, attr_name); return; } // otherwise continue out of the match _ => {} } - self.tcx.dcx().emit_err(errors::AllowInternalUnstable { attr_span, span }); + self.tcx.dcx().emit_err(errors::MacroOnlyAttribute { attr_span, span }); } /// Checks if the items on the `#[debugger_visualizer]` attribute are valid. @@ -2294,7 +2326,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { match target { // FIXME(staged_api): There's no reason we can't support more targets here. We're just // being conservative to begin with. - Target::Fn | Target::Impl { .. } => {} + Target::Fn | Target::Impl { .. } | Target::Trait => {} Target::ExternCrate | Target::Use | Target::Static @@ -2309,7 +2341,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { | Target::Struct | Target::Field | Target::Union - | Target::Trait | Target::TraitAlias | Target::Expression | Target::Statement diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index fa9d0c7b1b7..de52973acbb 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -172,7 +172,6 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { } } - #[allow(dead_code)] // FIXME(81658): should be used + lint reinstated after #83171 relands. fn handle_assign(&mut self, expr: &'tcx hir::Expr<'tcx>) { if self .typeck_results() @@ -189,7 +188,6 @@ impl<'tcx> MarkSymbolVisitor<'tcx> { } } - #[allow(dead_code)] // FIXME(81658): should be used + lint reinstated after #83171 relands. fn check_for_self_assign(&mut self, assign: &'tcx hir::Expr<'tcx>) { fn check_for_self_assign_helper<'tcx>( typeck_results: &'tcx ty::TypeckResults<'tcx>, @@ -576,6 +574,10 @@ impl<'tcx> Visitor<'tcx> for MarkSymbolVisitor<'tcx> { hir::ExprKind::OffsetOf(..) => { self.handle_offset_of(expr); } + hir::ExprKind::Assign(ref lhs, ..) => { + self.handle_assign(lhs); + self.check_for_self_assign(expr); + } _ => (), } @@ -701,7 +703,7 @@ fn has_allow_dead_code_or_lang_attr( // #[used], #[no_mangle], #[export_name], etc also keeps the item alive // forcefully, e.g., for placing it in a specific section. - cg_attrs.contains_extern_indicator() + cg_attrs.contains_extern_indicator(tcx, def_id.into()) || cg_attrs.flags.contains(CodegenFnAttrFlags::USED_COMPILER) || cg_attrs.flags.contains(CodegenFnAttrFlags::USED_LINKER) } diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index c6ab6b0d601..37216656e57 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -469,6 +469,8 @@ pub(crate) struct FfiConstInvalidTarget { pub(crate) struct MustUseNoEffect { pub article: &'static str, pub target: rustc_hir::Target, + #[suggestion(code = "", applicability = "machine-applicable", style = "tool-only")] + pub attr_span: Span, } #[derive(Diagnostic)] @@ -643,8 +645,8 @@ pub(crate) struct UsedStatic { } #[derive(Diagnostic)] -#[diag(passes_allow_internal_unstable)] -pub(crate) struct AllowInternalUnstable { +#[diag(passes_macro_only_attribute)] +pub(crate) struct MacroOnlyAttribute { #[primary_span] pub attr_span: Span, #[label] diff --git a/compiler/rustc_passes/src/reachable.rs b/compiler/rustc_passes/src/reachable.rs index 2f78c22c748..6cd8a54ecf4 100644 --- a/compiler/rustc_passes/src/reachable.rs +++ b/compiler/rustc_passes/src/reachable.rs @@ -183,7 +183,7 @@ impl<'tcx> ReachableContext<'tcx> { } else { CodegenFnAttrs::EMPTY }; - let is_extern = codegen_attrs.contains_extern_indicator(); + let is_extern = codegen_attrs.contains_extern_indicator(self.tcx, search_item.into()); if is_extern { self.reachable_symbols.insert(search_item); } @@ -423,8 +423,9 @@ fn has_custom_linkage(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { if !tcx.def_kind(def_id).has_codegen_attrs() { return false; } + let codegen_attrs = tcx.codegen_fn_attrs(def_id); - codegen_attrs.contains_extern_indicator() + codegen_attrs.contains_extern_indicator(tcx, def_id.into()) // FIXME(nbdd0121): `#[used]` are marked as reachable here so it's picked up by // `linked_symbols` in cg_ssa. They won't be exported in binary or cdylib due to their // `SymbolExportLevel::Rust` export level but may end up being exported in dylibs. diff --git a/compiler/rustc_passes/src/stability.rs b/compiler/rustc_passes/src/stability.rs index e2f223325df..71650c6b9b9 100644 --- a/compiler/rustc_passes/src/stability.rs +++ b/compiler/rustc_passes/src/stability.rs @@ -590,9 +590,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> { // For implementations of traits, check the stability of each item // individually as it's possible to have a stable trait with unstable // items. - hir::ItemKind::Impl(hir::Impl { - of_trait: Some(t), self_ty, items, constness, .. - }) => { + hir::ItemKind::Impl(hir::Impl { of_trait: Some(of_trait), self_ty, items, .. }) => { let features = self.tcx.features(); if features.staged_api() { let attrs = self.tcx.hir_attrs(item.hir_id()); @@ -628,7 +626,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> { { let mut c = CheckTraitImplStable { tcx: self.tcx, fully_stable: true }; c.visit_ty_unambig(self_ty); - c.visit_trait_ref(t); + c.visit_trait_ref(&of_trait.trait_ref); // Skip the lint if the impl is marked as unstable using // #[unstable_feature_bound(..)] @@ -641,7 +639,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> { // do not lint when the trait isn't resolved, since resolution error should // be fixed first - if t.path.res != Res::Err + if of_trait.trait_ref.path.res != Res::Err && c.fully_stable && !unstable_feature_bound_in_effect { @@ -655,7 +653,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> { } if features.const_trait_impl() - && let hir::Constness::Const = constness + && let hir::Constness::Const = of_trait.constness { let stable_or_implied_stable = match const_stab { None => true, @@ -671,7 +669,7 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> { Some(_) => false, }; - if let Some(trait_id) = t.trait_def_id() + if let Some(trait_id) = of_trait.trait_ref.trait_def_id() && let Some(const_stab) = self.tcx.lookup_const_stability(trait_id) { // the const stability of a trait impl must match the const stability on the trait. @@ -699,14 +697,18 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> { } } - if let hir::Constness::Const = constness - && let Some(def_id) = t.trait_def_id() + if let hir::Constness::Const = of_trait.constness + && let Some(def_id) = of_trait.trait_ref.trait_def_id() { // FIXME(const_trait_impl): Improve the span here. - self.tcx.check_const_stability(def_id, t.path.span, t.path.span); + self.tcx.check_const_stability( + def_id, + of_trait.trait_ref.path.span, + of_trait.trait_ref.path.span, + ); } - for impl_item_ref in *items { + for impl_item_ref in items { let impl_item = self.tcx.associated_item(impl_item_ref.owner_id); if let Some(def_id) = impl_item.trait_item_def_id { diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index 5d02c02b23c..1bddbd03cc3 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -1779,7 +1779,8 @@ fn check_mod_privacy(tcx: TyCtxt<'_>, module_def_id: LocalModDefId) { if let DefKind::Impl { of_trait: true } = tcx.def_kind(def_id) { let trait_ref = tcx.impl_trait_ref(def_id).unwrap(); let trait_ref = trait_ref.instantiate_identity(); - visitor.span = tcx.hir_expect_item(def_id).expect_impl().of_trait.unwrap().path.span; + visitor.span = + tcx.hir_expect_item(def_id).expect_impl().of_trait.unwrap().trait_ref.path.span; let _ = visitor.visit_def_id(trait_ref.def_id, "trait", &trait_ref.print_only_trait_path()); } diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index d18d0fc16a8..3fee2ab6afe 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -11,7 +11,7 @@ use std::sync::Arc; use rustc_ast::visit::{self, AssocCtxt, Visitor, WalkItemKind}; use rustc_ast::{ self as ast, AssocItem, AssocItemKind, Block, ConstItem, Delegation, Fn, ForeignItem, - ForeignItemKind, Impl, Item, ItemKind, NodeId, StaticItem, StmtKind, TyAlias, + ForeignItemKind, Item, ItemKind, NodeId, StaticItem, StmtKind, TyAlias, }; use rustc_attr_parsing as attr; use rustc_attr_parsing::AttributeParser; @@ -906,10 +906,7 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { } // These items do not add names to modules. - ItemKind::Impl(box Impl { of_trait: Some(..), .. }) - | ItemKind::Impl { .. } - | ItemKind::ForeignMod(..) - | ItemKind::GlobalAsm(..) => {} + ItemKind::Impl { .. } | ItemKind::ForeignMod(..) | ItemKind::GlobalAsm(..) => {} ItemKind::MacroDef(..) | ItemKind::MacCall(_) | ItemKind::DelegationMac(..) => { unreachable!() diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 953b72fd72b..e52cbeb733a 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -2620,7 +2620,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { self.resolve_adt(item, generics); } - ItemKind::Impl(box Impl { + ItemKind::Impl(Impl { ref generics, ref of_trait, ref self_ty, @@ -2631,7 +2631,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { self.resolve_implementation( &item.attrs, generics, - of_trait, + of_trait.as_deref(), self_ty, item.id, impl_items, @@ -3177,7 +3177,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { &mut self, attrs: &[ast::Attribute], generics: &'ast Generics, - opt_trait_reference: &'ast Option<TraitRef>, + of_trait: Option<&'ast ast::TraitImplHeader>, self_type: &'ast Ty, item_id: NodeId, impl_items: &'ast [Box<AssocItem>], @@ -3201,7 +3201,7 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { |this| { // Resolve the trait reference, if necessary. this.with_optional_trait_ref( - opt_trait_reference.as_ref(), + of_trait.map(|t| &t.trait_ref), self_type, |this, trait_id| { this.resolve_doc_links(attrs, MaybeExported::Impl(trait_id)); @@ -3224,9 +3224,9 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { is_trait_impl: trait_id.is_some() }; this.with_self_rib(res, |this| { - if let Some(trait_ref) = opt_trait_reference.as_ref() { + if let Some(of_trait) = of_trait { // Resolve type arguments in the trait path. - visit::walk_trait_ref(this, trait_ref); + visit::walk_trait_ref(this, &of_trait.trait_ref); } // Resolve the self type. this.visit_ty(self_type); @@ -5183,7 +5183,7 @@ impl<'ast> Visitor<'ast> for ItemInfoCollector<'_, '_, '_> { | ItemKind::Enum(_, generics, _) | ItemKind::Struct(_, generics, _) | ItemKind::Union(_, generics, _) - | ItemKind::Impl(box Impl { generics, .. }) + | ItemKind::Impl(Impl { generics, .. }) | ItemKind::Trait(box Trait { generics, .. }) | ItemKind::TraitAlias(_, generics, _) => { if let ItemKind::Fn(box Fn { sig, .. }) = &item.kind { diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index 6bcb7f6e093..f3c96f64190 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -218,32 +218,33 @@ fn compute_symbol_name<'tcx>( } } - // Foreign items by default use no mangling for their symbol name. There's a - // few exceptions to this rule though: - // - // * This can be overridden with the `#[link_name]` attribute - // - // * On the wasm32 targets there is a bug (or feature) in LLD [1] where the - // same-named symbol when imported from different wasm modules will get - // hooked up incorrectly. As a result foreign symbols, on the wasm target, - // with a wasm import module, get mangled. Additionally our codegen will - // deduplicate symbols based purely on the symbol name, but for wasm this - // isn't quite right because the same-named symbol on wasm can come from - // different modules. For these reasons if `#[link(wasm_import_module)]` - // is present we mangle everything on wasm because the demangled form will - // show up in the `wasm-import-name` custom attribute in LLVM IR. - // - // * `#[rustc_std_internal_symbol]` mangles the symbol name in a special way - // both for exports and imports through foreign items. This is handled above. - // [1]: https://bugs.llvm.org/show_bug.cgi?id=44316 - if tcx.is_foreign_item(def_id) - && (!tcx.sess.target.is_like_wasm - || !tcx.wasm_import_module_map(def_id.krate).contains_key(&def_id)) + let wasm_import_module_exception_force_mangling = { + // * On the wasm32 targets there is a bug (or feature) in LLD [1] where the + // same-named symbol when imported from different wasm modules will get + // hooked up incorrectly. As a result foreign symbols, on the wasm target, + // with a wasm import module, get mangled. Additionally our codegen will + // deduplicate symbols based purely on the symbol name, but for wasm this + // isn't quite right because the same-named symbol on wasm can come from + // different modules. For these reasons if `#[link(wasm_import_module)]` + // is present we mangle everything on wasm because the demangled form will + // show up in the `wasm-import-name` custom attribute in LLVM IR. + // + // [1]: https://bugs.llvm.org/show_bug.cgi?id=44316 + // + // So, on wasm if a foreign item loses its `#[no_mangle]`, it might *still* + // be mangled if we're forced to. Note: I don't like this. + // These kinds of exceptions should be added during the `codegen_attrs` query. + // However, we don't have the wasm import module map there yet. + tcx.is_foreign_item(def_id) + && tcx.sess.target.is_like_wasm + && tcx.wasm_import_module_map(LOCAL_CRATE).contains_key(&def_id.into()) + }; + + if let Some(name) = attrs.link_name + && !wasm_import_module_exception_force_mangling { - if let Some(name) = attrs.link_name { - return name.to_string(); - } - return tcx.item_name(def_id).to_string(); + // Use provided name + return name.to_string(); } if let Some(name) = attrs.export_name { @@ -251,7 +252,9 @@ fn compute_symbol_name<'tcx>( return name.to_string(); } - if attrs.flags.contains(CodegenFnAttrFlags::NO_MANGLE) { + if attrs.flags.contains(CodegenFnAttrFlags::NO_MANGLE) + && !wasm_import_module_exception_force_mangling + { // Don't mangle return tcx.item_name(def_id).to_string(); } diff --git a/compiler/rustc_target/src/spec/base/apple/mod.rs b/compiler/rustc_target/src/spec/base/apple/mod.rs index da9f96ce37d..ecc74264160 100644 --- a/compiler/rustc_target/src/spec/base/apple/mod.rs +++ b/compiler/rustc_target/src/spec/base/apple/mod.rs @@ -1,5 +1,4 @@ use std::borrow::Cow; -use std::env; use std::fmt::{Display, from_fn}; use std::num::ParseIntError; use std::str::FromStr; @@ -209,29 +208,10 @@ fn link_env_remove(os: &'static str) -> StaticCow<[StaticCow<str>]> { // that's only applicable to cross-OS compilation. Always leave anything for the // host OS alone though. if os == "macos" { - let mut env_remove = Vec::with_capacity(2); - // Remove the `SDKROOT` environment variable if it's clearly set for the wrong platform, which - // may occur when we're linking a custom build script while targeting iOS for example. - if let Ok(sdkroot) = env::var("SDKROOT") { - if sdkroot.contains("iPhoneOS.platform") - || sdkroot.contains("iPhoneSimulator.platform") - || sdkroot.contains("AppleTVOS.platform") - || sdkroot.contains("AppleTVSimulator.platform") - || sdkroot.contains("WatchOS.platform") - || sdkroot.contains("WatchSimulator.platform") - || sdkroot.contains("XROS.platform") - || sdkroot.contains("XRSimulator.platform") - { - env_remove.push("SDKROOT".into()) - } - } - // Additionally, `IPHONEOS_DEPLOYMENT_TARGET` must not be set when using the Xcode linker at + // `IPHONEOS_DEPLOYMENT_TARGET` must not be set when using the Xcode linker at // "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld", // although this is apparently ignored when using the linker at "/usr/bin/ld". - env_remove.push("IPHONEOS_DEPLOYMENT_TARGET".into()); - env_remove.push("TVOS_DEPLOYMENT_TARGET".into()); - env_remove.push("XROS_DEPLOYMENT_TARGET".into()); - env_remove.into() + cvs!["IPHONEOS_DEPLOYMENT_TARGET", "TVOS_DEPLOYMENT_TARGET", "XROS_DEPLOYMENT_TARGET"] } else { // Otherwise if cross-compiling for a different OS/SDK (including Mac Catalyst), remove any part // of the linking environment that's wrong and reversed. diff --git a/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs b/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs index ae72178c052..bc8c8a44405 100644 --- a/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs +++ b/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs @@ -3471,8 +3471,8 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { .. })) => { let mut spans = Vec::with_capacity(2); - if let Some(trait_ref) = of_trait { - spans.push(trait_ref.path.span); + if let Some(of_trait) = of_trait { + spans.push(of_trait.trait_ref.path.span); } spans.push(self_ty.span); let mut spans: MultiSpan = spans.into(); @@ -3480,7 +3480,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { self_ty.span.ctxt().outer_expn_data().kind, ExpnKind::Macro(MacroKind::Derive, _) ) || matches!( - of_trait.as_ref().map(|t| t.path.span.ctxt().outer_expn_data().kind), + of_trait.map(|t| t.trait_ref.path.span.ctxt().outer_expn_data().kind), Some(ExpnKind::Macro(MacroKind::Derive, _)) ) { spans.push_span_label( @@ -3592,7 +3592,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> { .. })) => { let mut spans = vec![self_ty.span]; - spans.extend(of_trait.as_ref().map(|t| t.path.span)); + spans.extend(of_trait.map(|t| t.trait_ref.path.span)); let mut spans: MultiSpan = spans.into(); spans.push_span_label(data.span, "unsatisfied trait bound introduced here"); err.span_note(spans, msg); diff --git a/compiler/rustc_ty_utils/src/assoc.rs b/compiler/rustc_ty_utils/src/assoc.rs index 37cb64511c7..e9629e31482 100644 --- a/compiler/rustc_ty_utils/src/assoc.rs +++ b/compiler/rustc_ty_utils/src/assoc.rs @@ -174,10 +174,10 @@ fn associated_types_for_impl_traits_in_trait_or_impl<'tcx>( }) .collect(), ItemKind::Impl(impl_) => { - let Some(trait_ref) = impl_.of_trait else { + let Some(of_trait) = impl_.of_trait else { return Default::default(); }; - let Some(trait_def_id) = trait_ref.trait_def_id() else { + let Some(trait_def_id) = of_trait.trait_ref.trait_def_id() else { return Default::default(); }; let in_trait_def = tcx.associated_types_for_impl_traits_in_trait_or_impl(trait_def_id); diff --git a/compiler/rustc_ty_utils/src/implied_bounds.rs b/compiler/rustc_ty_utils/src/implied_bounds.rs index 6fa763f18ef..cdfb93c4e7d 100644 --- a/compiler/rustc_ty_utils/src/implied_bounds.rs +++ b/compiler/rustc_ty_utils/src/implied_bounds.rs @@ -172,10 +172,12 @@ fn impl_spans(tcx: TyCtxt<'_>, def_id: LocalDefId) -> impl Iterator<Item = Span> let trait_args = impl_ .of_trait .into_iter() - .flat_map(|trait_ref| trait_ref.path.segments.last().unwrap().args().args) + .flat_map(|of_trait| of_trait.trait_ref.path.segments.last().unwrap().args().args) .map(|arg| arg.span()); - let dummy_spans_for_default_args = - impl_.of_trait.into_iter().flat_map(|trait_ref| iter::repeat(trait_ref.path.span)); + let dummy_spans_for_default_args = impl_ + .of_trait + .into_iter() + .flat_map(|of_trait| iter::repeat(of_trait.trait_ref.path.span)); iter::once(impl_.self_ty.span).chain(trait_args).chain(dummy_spans_for_default_args) } else { bug!("unexpected item for impl {def_id:?}: {item:?}") diff --git a/compiler/rustc_ty_utils/src/sig_types.rs b/compiler/rustc_ty_utils/src/sig_types.rs index dc6009116ac..d95660810e5 100644 --- a/compiler/rustc_ty_utils/src/sig_types.rs +++ b/compiler/rustc_ty_utils/src/sig_types.rs @@ -87,7 +87,7 @@ pub fn walk_types<'tcx, V: SpannedTypeVisitor<'tcx>>( DefKind::InlineConst | DefKind::Closure | DefKind::SyntheticCoroutineBody => {} DefKind::Impl { of_trait } => { if of_trait { - let span = tcx.hir_node_by_def_id(item).expect_item().expect_impl().of_trait.unwrap().path.span; + let span = tcx.hir_node_by_def_id(item).expect_item().expect_impl().of_trait.unwrap().trait_ref.path.span; let args = &tcx.impl_trait_ref(item).unwrap().instantiate_identity().args[1..]; try_visit!(visitor.visit(span, args)); } diff --git a/compiler/rustc_ty_utils/src/ty.rs b/compiler/rustc_ty_utils/src/ty.rs index 2e0b16d9227..b22c326b9f2 100644 --- a/compiler/rustc_ty_utils/src/ty.rs +++ b/compiler/rustc_ty_utils/src/ty.rs @@ -81,7 +81,11 @@ fn sizedness_constraint_for_ty<'tcx>( fn defaultness(tcx: TyCtxt<'_>, def_id: LocalDefId) -> hir::Defaultness { match tcx.hir_node_by_def_id(def_id) { hir::Node::Item(hir::Item { - kind: hir::ItemKind::Impl(hir::Impl { defaultness, of_trait: Some(_), .. }), + kind: + hir::ItemKind::Impl(hir::Impl { + of_trait: Some(hir::TraitImplHeader { defaultness, .. }), + .. + }), .. }) | hir::Node::ImplItem(hir::ImplItem { defaultness, .. }) diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 2321aab2c51..8001faf9d20 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -49,7 +49,27 @@ //! v[1] = v[1] + 5; //! ``` //! +//! # Memory layout +//! +//! When the type is non-zero-sized and the capacity is nonzero, [`Vec`] uses the [`Global`] +//! allocator for its allocation. It is valid to convert both ways between such a [`Vec`] and a raw +//! pointer allocated with the [`Global`] allocator, provided that the [`Layout`] used with the +//! allocator is correct for a sequence of `capacity` elements of the type, and the first `len` +//! values pointed to by the raw pointer are valid. More precisely, a `ptr: *mut T` that has been +//! allocated with the [`Global`] allocator with [`Layout::array::<T>(capacity)`][Layout::array] may +//! be converted into a vec using +//! [`Vec::<T>::from_raw_parts(ptr, len, capacity)`](Vec::from_raw_parts). Conversely, the memory +//! backing a `value: *mut T` obtained from [`Vec::<T>::as_mut_ptr`] may be deallocated using the +//! [`Global`] allocator with the same layout. +//! +//! For zero-sized types (ZSTs), or when the capacity is zero, the `Vec` pointer must be non-null +//! and sufficiently aligned. The recommended way to build a `Vec` of ZSTs if [`vec!`] cannot be +//! used is to use [`ptr::NonNull::dangling`]. +//! //! [`push`]: Vec::push +//! [`ptr::NonNull::dangling`]: NonNull::dangling +//! [`Layout`]: crate::alloc::Layout +//! [Layout::array]: crate::alloc::Layout::array #![stable(feature = "rust1", since = "1.0.0")] @@ -523,18 +543,23 @@ impl<T> Vec<T> { /// This is highly unsafe, due to the number of invariants that aren't /// checked: /// - /// * `ptr` must have been allocated using the global allocator, such as via - /// the [`alloc::alloc`] function. - /// * `T` needs to have the same alignment as what `ptr` was allocated with. + /// * If `T` is not a zero-sized type and the capacity is nonzero, `ptr` must have + /// been allocated using the global allocator, such as via the [`alloc::alloc`] + /// function. If `T` is a zero-sized type or the capacity is zero, `ptr` need + /// only be non-null and aligned. + /// * `T` needs to have the same alignment as what `ptr` was allocated with, + /// if the pointer is required to be allocated. /// (`T` having a less strict alignment is not sufficient, the alignment really /// needs to be equal to satisfy the [`dealloc`] requirement that memory must be /// allocated and deallocated with the same layout.) - /// * The size of `T` times the `capacity` (ie. the allocated size in bytes) needs - /// to be the same size as the pointer was allocated with. (Because similar to - /// alignment, [`dealloc`] must be called with the same layout `size`.) + /// * The size of `T` times the `capacity` (ie. the allocated size in bytes), if + /// nonzero, needs to be the same size as the pointer was allocated with. + /// (Because similar to alignment, [`dealloc`] must be called with the same + /// layout `size`.) /// * `length` needs to be less than or equal to `capacity`. /// * The first `length` values must be properly initialized values of type `T`. - /// * `capacity` needs to be the capacity that the pointer was allocated with. + /// * `capacity` needs to be the capacity that the pointer was allocated with, + /// if the pointer is required to be allocated. /// * The allocated size in bytes must be no larger than `isize::MAX`. /// See the safety documentation of [`pointer::offset`]. /// @@ -770,12 +795,16 @@ impl<T> Vec<T> { /// order as the arguments to [`from_raw_parts`]. /// /// After calling this function, the caller is responsible for the - /// memory previously managed by the `Vec`. The only way to do - /// this is to convert the raw pointer, length, and capacity back - /// into a `Vec` with the [`from_raw_parts`] function, allowing - /// the destructor to perform the cleanup. + /// memory previously managed by the `Vec`. Most often, one does + /// this by converting the raw pointer, length, and capacity back + /// into a `Vec` with the [`from_raw_parts`] function; more generally, + /// if `T` is non-zero-sized and the capacity is nonzero, one may use + /// any method that calls [`dealloc`] with a layout of + /// `Layout::array::<T>(capacity)`; if `T` is zero-sized or the + /// capacity is zero, nothing needs to be done. /// /// [`from_raw_parts`]: Vec::from_raw_parts + /// [`dealloc`]: crate::alloc::GlobalAlloc::dealloc /// /// # Examples /// @@ -1755,6 +1784,12 @@ impl<T, A: Allocator> Vec<T, A> { /// may still invalidate this pointer. /// See the second example below for how this guarantee can be used. /// + /// The method also guarantees that, as long as `T` is not zero-sized and the capacity is + /// nonzero, the pointer may be passed into [`dealloc`] with a layout of + /// `Layout::array::<T>(capacity)` in order to deallocate the backing memory. If this is done, + /// be careful not to run the destructor of the `Vec`, as dropping it will result in + /// double-frees. Wrapping the `Vec` in a [`ManuallyDrop`] is the typical way to achieve this. + /// /// # Examples /// /// ``` @@ -1787,9 +1822,24 @@ impl<T, A: Allocator> Vec<T, A> { /// } /// ``` /// + /// Deallocating a vector using [`Box`] (which uses [`dealloc`] internally): + /// + /// ``` + /// use std::mem::{ManuallyDrop, MaybeUninit}; + /// + /// let mut v = ManuallyDrop::new(vec![0, 1, 2]); + /// let ptr = v.as_mut_ptr(); + /// let capacity = v.capacity(); + /// let slice_ptr: *mut [MaybeUninit<i32>] = + /// std::ptr::slice_from_raw_parts_mut(ptr.cast(), capacity); + /// drop(unsafe { Box::from_raw(slice_ptr) }); + /// ``` + /// /// [`as_mut_ptr`]: Vec::as_mut_ptr /// [`as_ptr`]: Vec::as_ptr /// [`as_non_null`]: Vec::as_non_null + /// [`dealloc`]: crate::alloc::GlobalAlloc::dealloc + /// [`ManuallyDrop`]: core::mem::ManuallyDrop #[stable(feature = "vec_as_ptr", since = "1.37.0")] #[rustc_const_stable(feature = "const_vec_string_slice", since = "1.87.0")] #[rustc_never_returns_null_ptr] diff --git a/library/core/src/ascii/ascii_char.rs b/library/core/src/ascii/ascii_char.rs index 054ddf84470..419e4694594 100644 --- a/library/core/src/ascii/ascii_char.rs +++ b/library/core/src/ascii/ascii_char.rs @@ -445,7 +445,15 @@ pub enum AsciiChar { } impl AsciiChar { - /// Creates an ascii character from the byte `b`, + /// The character with the lowest ASCII code. + #[unstable(feature = "ascii_char", issue = "110998")] + pub const MIN: Self = Self::Null; + + /// The character with the highest ASCII code. + #[unstable(feature = "ascii_char", issue = "110998")] + pub const MAX: Self = Self::Delete; + + /// Creates an ASCII character from the byte `b`, /// or returns `None` if it's too large. #[unstable(feature = "ascii_char", issue = "110998")] #[inline] @@ -540,6 +548,608 @@ impl AsciiChar { pub const fn as_str(&self) -> &str { crate::slice::from_ref(self).as_str() } + + /// Makes a copy of the value in its upper case equivalent. + /// + /// Letters 'a' to 'z' are mapped to 'A' to 'Z'. + /// + /// To uppercase the value in-place, use [`make_uppercase`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let lowercase_a = ascii::Char::SmallA; + /// + /// assert_eq!( + /// ascii::Char::CapitalA, + /// lowercase_a.to_uppercase(), + /// ); + /// ``` + /// + /// [`make_uppercase`]: Self::make_uppercase + #[must_use = "to uppercase the value in-place, use `make_uppercase()`"] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn to_uppercase(self) -> Self { + let uppercase_byte = self.to_u8().to_ascii_uppercase(); + // SAFETY: Toggling the 6th bit won't convert ASCII to non-ASCII. + unsafe { Self::from_u8_unchecked(uppercase_byte) } + } + + /// Makes a copy of the value in its lower case equivalent. + /// + /// Letters 'A' to 'Z' are mapped to 'a' to 'z'. + /// + /// To lowercase the value in-place, use [`make_lowercase`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// + /// assert_eq!( + /// ascii::Char::SmallA, + /// uppercase_a.to_lowercase(), + /// ); + /// ``` + /// + /// [`make_lowercase`]: Self::make_lowercase + #[must_use = "to lowercase the value in-place, use `make_lowercase()`"] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn to_lowercase(self) -> Self { + let lowercase_byte = self.to_u8().to_ascii_lowercase(); + // SAFETY: Setting the 6th bit won't convert ASCII to non-ASCII. + unsafe { Self::from_u8_unchecked(lowercase_byte) } + } + + /// Checks that two values are a case-insensitive match. + /// + /// This is equivalent to `to_lowercase(a) == to_lowercase(b)`. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let lowercase_a = ascii::Char::SmallA; + /// let uppercase_a = ascii::Char::CapitalA; + /// + /// assert!(lowercase_a.eq_ignore_case(uppercase_a)); + /// ``` + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn eq_ignore_case(self, other: Self) -> bool { + // FIXME(const-hack) `arg.to_u8().to_ascii_lowercase()` -> `arg.to_lowercase()` + // once `PartialEq` is const for `Self`. + self.to_u8().to_ascii_lowercase() == other.to_u8().to_ascii_lowercase() + } + + /// Converts this value to its upper case equivalent in-place. + /// + /// Letters 'a' to 'z' are mapped to 'A' to 'Z'. + /// + /// To return a new uppercased value without modifying the existing one, use + /// [`to_uppercase`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let mut letter_a = ascii::Char::SmallA; + /// + /// letter_a.make_uppercase(); + /// + /// assert_eq!(ascii::Char::CapitalA, letter_a); + /// ``` + /// + /// [`to_uppercase`]: Self::to_uppercase + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn make_uppercase(&mut self) { + *self = self.to_uppercase(); + } + + /// Converts this value to its lower case equivalent in-place. + /// + /// Letters 'A' to 'Z' are mapped to 'a' to 'z'. + /// + /// To return a new lowercased value without modifying the existing one, use + /// [`to_lowercase`]. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let mut letter_a = ascii::Char::CapitalA; + /// + /// letter_a.make_lowercase(); + /// + /// assert_eq!(ascii::Char::SmallA, letter_a); + /// ``` + /// + /// [`to_lowercase`]: Self::to_lowercase + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn make_lowercase(&mut self) { + *self = self.to_lowercase(); + } + + /// Checks if the value is an alphabetic character: + /// + /// - 0x41 'A' ..= 0x5A 'Z', or + /// - 0x61 'a' ..= 0x7A 'z'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(uppercase_a.is_alphabetic()); + /// assert!(uppercase_g.is_alphabetic()); + /// assert!(a.is_alphabetic()); + /// assert!(g.is_alphabetic()); + /// assert!(!zero.is_alphabetic()); + /// assert!(!percent.is_alphabetic()); + /// assert!(!space.is_alphabetic()); + /// assert!(!lf.is_alphabetic()); + /// assert!(!esc.is_alphabetic()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_alphabetic(self) -> bool { + self.to_u8().is_ascii_alphabetic() + } + + /// Checks if the value is an uppercase character: + /// 0x41 'A' ..= 0x5A 'Z'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(uppercase_a.is_uppercase()); + /// assert!(uppercase_g.is_uppercase()); + /// assert!(!a.is_uppercase()); + /// assert!(!g.is_uppercase()); + /// assert!(!zero.is_uppercase()); + /// assert!(!percent.is_uppercase()); + /// assert!(!space.is_uppercase()); + /// assert!(!lf.is_uppercase()); + /// assert!(!esc.is_uppercase()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_uppercase(self) -> bool { + self.to_u8().is_ascii_uppercase() + } + + /// Checks if the value is a lowercase character: + /// 0x61 'a' ..= 0x7A 'z'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(!uppercase_a.is_lowercase()); + /// assert!(!uppercase_g.is_lowercase()); + /// assert!(a.is_lowercase()); + /// assert!(g.is_lowercase()); + /// assert!(!zero.is_lowercase()); + /// assert!(!percent.is_lowercase()); + /// assert!(!space.is_lowercase()); + /// assert!(!lf.is_lowercase()); + /// assert!(!esc.is_lowercase()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_lowercase(self) -> bool { + self.to_u8().is_ascii_lowercase() + } + + /// Checks if the value is an alphanumeric character: + /// + /// - 0x41 'A' ..= 0x5A 'Z', or + /// - 0x61 'a' ..= 0x7A 'z', or + /// - 0x30 '0' ..= 0x39 '9'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(uppercase_a.is_alphanumeric()); + /// assert!(uppercase_g.is_alphanumeric()); + /// assert!(a.is_alphanumeric()); + /// assert!(g.is_alphanumeric()); + /// assert!(zero.is_alphanumeric()); + /// assert!(!percent.is_alphanumeric()); + /// assert!(!space.is_alphanumeric()); + /// assert!(!lf.is_alphanumeric()); + /// assert!(!esc.is_alphanumeric()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_alphanumeric(self) -> bool { + self.to_u8().is_ascii_alphanumeric() + } + + /// Checks if the value is a decimal digit: + /// 0x30 '0' ..= 0x39 '9'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(!uppercase_a.is_digit()); + /// assert!(!uppercase_g.is_digit()); + /// assert!(!a.is_digit()); + /// assert!(!g.is_digit()); + /// assert!(zero.is_digit()); + /// assert!(!percent.is_digit()); + /// assert!(!space.is_digit()); + /// assert!(!lf.is_digit()); + /// assert!(!esc.is_digit()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_digit(self) -> bool { + self.to_u8().is_ascii_digit() + } + + /// Checks if the value is an octal digit: + /// 0x30 '0' ..= 0x37 '7'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants, is_ascii_octdigit)] + /// + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let a = ascii::Char::SmallA; + /// let zero = ascii::Char::Digit0; + /// let seven = ascii::Char::Digit7; + /// let eight = ascii::Char::Digit8; + /// let percent = ascii::Char::PercentSign; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(!uppercase_a.is_octdigit()); + /// assert!(!a.is_octdigit()); + /// assert!(zero.is_octdigit()); + /// assert!(seven.is_octdigit()); + /// assert!(!eight.is_octdigit()); + /// assert!(!percent.is_octdigit()); + /// assert!(!lf.is_octdigit()); + /// assert!(!esc.is_octdigit()); + /// ``` + #[must_use] + // This is blocked on two unstable features. Please ensure both are + // stabilized before marking this method as stable. + #[unstable(feature = "ascii_char", issue = "110998")] + // #[unstable(feature = "is_ascii_octdigit", issue = "101288")] + #[inline] + pub const fn is_octdigit(self) -> bool { + self.to_u8().is_ascii_octdigit() + } + + /// Checks if the value is a hexadecimal digit: + /// + /// - 0x30 '0' ..= 0x39 '9', or + /// - 0x41 'A' ..= 0x46 'F', or + /// - 0x61 'a' ..= 0x66 'f'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(uppercase_a.is_hexdigit()); + /// assert!(!uppercase_g.is_hexdigit()); + /// assert!(a.is_hexdigit()); + /// assert!(!g.is_hexdigit()); + /// assert!(zero.is_hexdigit()); + /// assert!(!percent.is_hexdigit()); + /// assert!(!space.is_hexdigit()); + /// assert!(!lf.is_hexdigit()); + /// assert!(!esc.is_hexdigit()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_hexdigit(self) -> bool { + self.to_u8().is_ascii_hexdigit() + } + + /// Checks if the value is a punctuation character: + /// + /// - 0x21 ..= 0x2F `! " # $ % & ' ( ) * + , - . /`, or + /// - 0x3A ..= 0x40 `: ; < = > ? @`, or + /// - 0x5B ..= 0x60 `` [ \ ] ^ _ ` ``, or + /// - 0x7B ..= 0x7E `{ | } ~` + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(!uppercase_a.is_punctuation()); + /// assert!(!uppercase_g.is_punctuation()); + /// assert!(!a.is_punctuation()); + /// assert!(!g.is_punctuation()); + /// assert!(!zero.is_punctuation()); + /// assert!(percent.is_punctuation()); + /// assert!(!space.is_punctuation()); + /// assert!(!lf.is_punctuation()); + /// assert!(!esc.is_punctuation()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_punctuation(self) -> bool { + self.to_u8().is_ascii_punctuation() + } + + /// Checks if the value is a graphic character: + /// 0x21 '!' ..= 0x7E '~'. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(uppercase_a.is_graphic()); + /// assert!(uppercase_g.is_graphic()); + /// assert!(a.is_graphic()); + /// assert!(g.is_graphic()); + /// assert!(zero.is_graphic()); + /// assert!(percent.is_graphic()); + /// assert!(!space.is_graphic()); + /// assert!(!lf.is_graphic()); + /// assert!(!esc.is_graphic()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_graphic(self) -> bool { + self.to_u8().is_ascii_graphic() + } + + /// Checks if the value is a whitespace character: + /// 0x20 SPACE, 0x09 HORIZONTAL TAB, 0x0A LINE FEED, + /// 0x0C FORM FEED, or 0x0D CARRIAGE RETURN. + /// + /// Rust uses the WhatWG Infra Standard's [definition of ASCII + /// whitespace][infra-aw]. There are several other definitions in + /// wide use. For instance, [the POSIX locale][pct] includes + /// 0x0B VERTICAL TAB as well as all the above characters, + /// but—from the very same specification—[the default rule for + /// "field splitting" in the Bourne shell][bfs] considers *only* + /// SPACE, HORIZONTAL TAB, and LINE FEED as whitespace. + /// + /// If you are writing a program that will process an existing + /// file format, check what that format's definition of whitespace is + /// before using this function. + /// + /// [infra-aw]: https://infra.spec.whatwg.org/#ascii-whitespace + /// [pct]: https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap07.html#tag_07_03_01 + /// [bfs]: https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_05 + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(!uppercase_a.is_whitespace()); + /// assert!(!uppercase_g.is_whitespace()); + /// assert!(!a.is_whitespace()); + /// assert!(!g.is_whitespace()); + /// assert!(!zero.is_whitespace()); + /// assert!(!percent.is_whitespace()); + /// assert!(space.is_whitespace()); + /// assert!(lf.is_whitespace()); + /// assert!(!esc.is_whitespace()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_whitespace(self) -> bool { + self.to_u8().is_ascii_whitespace() + } + + /// Checks if the value is a control character: + /// 0x00 NUL ..= 0x1F UNIT SEPARATOR, or 0x7F DELETE. + /// Note that most whitespace characters are control + /// characters, but SPACE is not. + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let uppercase_a = ascii::Char::CapitalA; + /// let uppercase_g = ascii::Char::CapitalG; + /// let a = ascii::Char::SmallA; + /// let g = ascii::Char::SmallG; + /// let zero = ascii::Char::Digit0; + /// let percent = ascii::Char::PercentSign; + /// let space = ascii::Char::Space; + /// let lf = ascii::Char::LineFeed; + /// let esc = ascii::Char::Escape; + /// + /// assert!(!uppercase_a.is_control()); + /// assert!(!uppercase_g.is_control()); + /// assert!(!a.is_control()); + /// assert!(!g.is_control()); + /// assert!(!zero.is_control()); + /// assert!(!percent.is_control()); + /// assert!(!space.is_control()); + /// assert!(lf.is_control()); + /// assert!(esc.is_control()); + /// ``` + #[must_use] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub const fn is_control(self) -> bool { + self.to_u8().is_ascii_control() + } + + /// Returns an iterator that produces an escaped version of a + /// character. + /// + /// The behavior is identical to + /// [`ascii::escape_default`](crate::ascii::escape_default). + /// + /// # Examples + /// + /// ``` + /// #![feature(ascii_char, ascii_char_variants)] + /// use std::ascii; + /// + /// let zero = ascii::Char::Digit0; + /// let tab = ascii::Char::CharacterTabulation; + /// let cr = ascii::Char::CarriageReturn; + /// let lf = ascii::Char::LineFeed; + /// let apostrophe = ascii::Char::Apostrophe; + /// let double_quote = ascii::Char::QuotationMark; + /// let backslash = ascii::Char::ReverseSolidus; + /// + /// assert_eq!("0", zero.escape_ascii().to_string()); + /// assert_eq!("\\t", tab.escape_ascii().to_string()); + /// assert_eq!("\\r", cr.escape_ascii().to_string()); + /// assert_eq!("\\n", lf.escape_ascii().to_string()); + /// assert_eq!("\\'", apostrophe.escape_ascii().to_string()); + /// assert_eq!("\\\"", double_quote.escape_ascii().to_string()); + /// assert_eq!("\\\\", backslash.escape_ascii().to_string()); + /// ``` + #[must_use = "this returns the escaped character as an iterator, \ + without modifying the original"] + #[unstable(feature = "ascii_char", issue = "110998")] + #[inline] + pub fn escape_ascii(self) -> super::EscapeDefault { + super::escape_default(self.to_u8()) + } } macro_rules! into_int_impl { diff --git a/library/core/src/ops/range.rs b/library/core/src/ops/range.rs index f33a33e6b75..95d1e2069ac 100644 --- a/library/core/src/ops/range.rs +++ b/library/core/src/ops/range.rs @@ -853,7 +853,7 @@ pub trait RangeBounds<T: ?Sized> { /// assert!( RangeBounds::is_empty(&(f32::NAN..5.0))); /// ``` /// - /// But never empty is either side is unbounded: + /// But never empty if either side is unbounded: /// /// ``` /// #![feature(range_bounds_is_empty)] diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 0c537530647..25355efd20e 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -281,9 +281,11 @@ #![feature(cfg_target_thread_local)] #![feature(cfi_encoding)] #![feature(char_max_len)] +#![feature(const_trait_impl)] #![feature(core_float_math)] #![feature(decl_macro)] #![feature(deprecated_suggestion)] +#![feature(derive_const)] #![feature(doc_cfg)] #![feature(doc_cfg_hide)] #![feature(doc_masked)] @@ -329,6 +331,10 @@ #![feature(bstr_internals)] #![feature(char_internals)] #![feature(clone_to_uninit)] +#![feature(const_cmp)] +#![feature(const_ops)] +#![feature(const_option_ops)] +#![feature(const_try)] #![feature(core_intrinsics)] #![feature(core_io_borrowed_buf)] #![feature(drop_guard)] diff --git a/library/std/src/path.rs b/library/std/src/path.rs index e7ba6936435..3b52804d6be 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -2678,7 +2678,6 @@ impl Path { /// # Examples /// /// ``` - /// # #![feature(path_file_prefix)] /// use std::path::Path; /// /// assert_eq!("foo", Path::new("foo.rs").file_prefix().unwrap()); @@ -2693,7 +2692,7 @@ impl Path { /// /// [`Path::file_stem`]: Path::file_stem /// - #[unstable(feature = "path_file_prefix", issue = "86319")] + #[stable(feature = "path_file_prefix", since = "CURRENT_RUSTC_VERSION")] #[must_use] pub fn file_prefix(&self) -> Option<&OsStr> { self.file_name().map(split_file_at_dot).and_then(|(before, _after)| Some(before)) diff --git a/library/std/src/sys/pal/hermit/time.rs b/library/std/src/sys/pal/hermit/time.rs index f76a5f96c87..89a427ab88b 100644 --- a/library/std/src/sys/pal/hermit/time.rs +++ b/library/std/src/sys/pal/hermit/time.rs @@ -25,8 +25,15 @@ impl Timespec { Timespec { t: timespec { tv_sec, tv_nsec } } } - fn sub_timespec(&self, other: &Timespec) -> Result<Duration, Duration> { - if self >= other { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + const fn sub_timespec(&self, other: &Timespec) -> Result<Duration, Duration> { + // FIXME: const PartialOrd + let mut cmp = self.t.tv_sec - other.t.tv_sec; + if cmp == 0 { + cmp = self.t.tv_nsec as i64 - other.t.tv_nsec as i64; + } + + if cmp >= 0 { Ok(if self.t.tv_nsec >= other.t.tv_nsec { Duration::new( (self.t.tv_sec - other.t.tv_sec) as u64, @@ -46,20 +53,22 @@ impl Timespec { } } - fn checked_add_duration(&self, other: &Duration) -> Option<Timespec> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + const fn checked_add_duration(&self, other: &Duration) -> Option<Timespec> { let mut secs = self.t.tv_sec.checked_add_unsigned(other.as_secs())?; // Nano calculations can't overflow because nanos are <1B which fit // in a u32. - let mut nsec = other.subsec_nanos() + u32::try_from(self.t.tv_nsec).unwrap(); - if nsec >= NSEC_PER_SEC.try_into().unwrap() { - nsec -= u32::try_from(NSEC_PER_SEC).unwrap(); + let mut nsec = other.subsec_nanos() + self.t.tv_nsec as u32; + if nsec >= NSEC_PER_SEC as u32 { + nsec -= NSEC_PER_SEC as u32; secs = secs.checked_add(1)?; } Some(Timespec { t: timespec { tv_sec: secs, tv_nsec: nsec as _ } }) } - fn checked_sub_duration(&self, other: &Duration) -> Option<Timespec> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + const fn checked_sub_duration(&self, other: &Duration) -> Option<Timespec> { let mut secs = self.t.tv_sec.checked_sub_unsigned(other.as_secs())?; // Similar to above, nanos can't overflow. @@ -213,15 +222,18 @@ impl SystemTime { SystemTime(time) } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { self.0.sub_timespec(&other.0) } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_add_duration(other)?)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub_duration(other)?)) } } diff --git a/library/std/src/sys/pal/sgx/time.rs b/library/std/src/sys/pal/sgx/time.rs index db4cf2804bf..603dae952ab 100644 --- a/library/std/src/sys/pal/sgx/time.rs +++ b/library/std/src/sys/pal/sgx/time.rs @@ -32,15 +32,22 @@ impl SystemTime { SystemTime(usercalls::insecure_time()) } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { - self.0.checked_sub(other.0).ok_or_else(|| other.0 - self.0) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + // FIXME: ok_or_else with const closures + match self.0.checked_sub(other.0) { + Some(duration) => Ok(duration), + None => Err(other.0 - self.0), + } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_add(*other)?)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub(*other)?)) } } diff --git a/library/std/src/sys/pal/solid/time.rs b/library/std/src/sys/pal/solid/time.rs index c39d715c6a6..e35e60df1a0 100644 --- a/library/std/src/sys/pal/solid/time.rs +++ b/library/std/src/sys/pal/solid/time.rs @@ -39,7 +39,8 @@ impl SystemTime { Self(t) } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { if self.0 >= other.0 { Ok(Duration::from_secs((self.0 as u64).wrapping_sub(other.0 as u64))) } else { @@ -47,11 +48,13 @@ impl SystemTime { } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_add_unsigned(other.as_secs())?)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub_unsigned(other.as_secs())?)) } } diff --git a/library/std/src/sys/pal/uefi/tests.rs b/library/std/src/sys/pal/uefi/tests.rs index 49e75a1a70d..56ca999cc7e 100644 --- a/library/std/src/sys/pal/uefi/tests.rs +++ b/library/std/src/sys/pal/uefi/tests.rs @@ -1,8 +1,13 @@ +//! These tests are not run automatically right now. Please run these tests manually by copying them +//! to a separate project when modifying any related code. + use super::alloc::*; -use super::time::*; +use super::time::system_time_internal::{from_uefi, to_uefi}; use crate::io::{IoSlice, IoSliceMut}; use crate::time::Duration; +const SECS_IN_MINUTE: u64 = 60; + #[test] fn align() { // UEFI ABI specifies that allocation alignment minimum is always 8. So this can be @@ -24,21 +29,61 @@ fn align() { } #[test] -fn epoch() { - let t = r_efi::system::Time { - year: 1970, +fn systemtime_start() { + let t = r_efi::efi::Time { + year: 1900, + month: 1, + day: 1, + hour: 0, + minute: 0, + second: 0, + nanosecond: 0, + timezone: -1440, + daylight: 0, + pad2: 0, + }; + assert_eq!(from_uefi(&t), Duration::new(0, 0)); + assert_eq!(t, to_uefi(&from_uefi(&t), -1440, 0).unwrap()); + assert!(to_uefi(&from_uefi(&t), 0, 0).is_none()); +} + +#[test] +fn systemtime_utc_start() { + let t = r_efi::efi::Time { + year: 1900, month: 1, day: 1, hour: 0, minute: 0, second: 0, + pad1: 0, nanosecond: 0, - timezone: r_efi::efi::UNSPECIFIED_TIMEZONE, + timezone: 0, daylight: 0, + pad2: 0, + }; + assert_eq!(from_uefi(&t), Duration::new(1440 * SECS_IN_MINUTE, 0)); + assert_eq!(t, to_uefi(&from_uefi(&t), 0, 0).unwrap()); + assert!(to_uefi(&from_uefi(&t), -1440, 0).is_some()); +} + +#[test] +fn systemtime_end() { + let t = r_efi::efi::Time { + year: 9999, + month: 12, + day: 31, + hour: 23, + minute: 59, + second: 59, pad1: 0, + nanosecond: 0, + timezone: 1440, + daylight: 0, pad2: 0, }; - assert_eq!(system_time_internal::uefi_time_to_duration(t), Duration::new(0, 0)); + assert!(to_uefi(&from_uefi(&t), 1440, 0).is_some()); + assert!(to_uefi(&from_uefi(&t), 1439, 0).is_none()); } // UEFI IoSlice and IoSliceMut Tests diff --git a/library/std/src/sys/pal/uefi/time.rs b/library/std/src/sys/pal/uefi/time.rs index eeb2c35ffbb..df5611b2ddd 100644 --- a/library/std/src/sys/pal/uefi/time.rs +++ b/library/std/src/sys/pal/uefi/time.rs @@ -1,16 +1,42 @@ use crate::time::Duration; -const SECS_IN_MINUTE: u64 = 60; -const SECS_IN_HOUR: u64 = SECS_IN_MINUTE * 60; -const SECS_IN_DAY: u64 = SECS_IN_HOUR * 24; - #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)] pub struct Instant(Duration); +/// When a Timezone is specified, the stored Duration is in UTC. If timezone is unspecified, then +/// the timezone is assumed to be in UTC. +/// +/// UEFI SystemTime is stored as Duration from 1900-01-01-00:00:00 with timezone -1440 as anchor #[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)] pub struct SystemTime(Duration); -pub const UNIX_EPOCH: SystemTime = SystemTime(Duration::from_secs(0)); +pub const UNIX_EPOCH: SystemTime = SystemTime::from_uefi(r_efi::efi::Time { + year: 1970, + month: 1, + day: 1, + hour: 0, + minute: 0, + second: 0, + nanosecond: 0, + timezone: 0, + daylight: 0, + pad1: 0, + pad2: 0, +}); + +const MAX_UEFI_TIME: SystemTime = SystemTime::from_uefi(r_efi::efi::Time { + year: 9999, + month: 12, + day: 31, + hour: 23, + minute: 59, + second: 59, + nanosecond: 999_999_999, + timezone: 1440, + daylight: 0, + pad1: 0, + pad2: 0, +}); impl Instant { pub fn now() -> Instant { @@ -40,20 +66,45 @@ impl Instant { } impl SystemTime { + pub(crate) const fn from_uefi(t: r_efi::efi::Time) -> Self { + Self(system_time_internal::from_uefi(&t)) + } + + #[expect(dead_code)] + pub(crate) const fn to_uefi(self, timezone: i16, daylight: u8) -> Option<r_efi::efi::Time> { + system_time_internal::to_uefi(&self.0, timezone, daylight) + } + pub fn now() -> SystemTime { system_time_internal::now() .unwrap_or_else(|| panic!("time not implemented on this platform")) } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { - self.0.checked_sub(other.0).ok_or_else(|| other.0 - self.0) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + // FIXME: ok_or_else with const closures + match self.0.checked_sub(other.0) { + Some(duration) => Ok(duration), + None => Err(other.0 - self.0), + } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { - Some(SystemTime(self.0.checked_add(*other)?)) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + let temp = self.0.checked_add(*other)?; + + // Check if can be represented in UEFI + // FIXME: const PartialOrd + let mut cmp = temp.as_secs() - MAX_UEFI_TIME.0.as_secs(); + if cmp == 0 { + cmp = temp.subsec_nanos() as u64 - MAX_UEFI_TIME.0.subsec_nanos() as u64; + } + + if cmp <= 0 { Some(SystemTime(temp)) } else { None } } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub(*other)?)) } } @@ -66,51 +117,132 @@ pub(crate) mod system_time_internal { use crate::mem::MaybeUninit; use crate::ptr::NonNull; + const SECS_IN_MINUTE: u64 = 60; + const SECS_IN_HOUR: u64 = SECS_IN_MINUTE * 60; + const SECS_IN_DAY: u64 = SECS_IN_HOUR * 24; + const TIMEZONE_DELTA: u64 = 1440 * SECS_IN_MINUTE; + pub fn now() -> Option<SystemTime> { let runtime_services: NonNull<RuntimeServices> = helpers::runtime_services()?; let mut t: MaybeUninit<Time> = MaybeUninit::uninit(); let r = unsafe { ((*runtime_services.as_ptr()).get_time)(t.as_mut_ptr(), crate::ptr::null_mut()) }; - if r.is_error() { return None; } let t = unsafe { t.assume_init() }; - Some(SystemTime(uefi_time_to_duration(t))) + Some(SystemTime::from_uefi(t)) } - // This algorithm is based on the one described in the post - // https://blog.reverberate.org/2020/05/12/optimizing-date-algorithms.html - pub(crate) const fn uefi_time_to_duration(t: r_efi::system::Time) -> Duration { - assert!(t.month <= 12); - assert!(t.month != 0); + /// This algorithm is a modified form of the one described in the post + /// https://blog.reverberate.org/2020/05/12/optimizing-date-algorithms.html + /// + /// The changes are to use 1900-01-01-00:00:00 with timezone -1440 as anchor instead of UNIX + /// epoch used in the original algorithm. + pub(crate) const fn from_uefi(t: &Time) -> Duration { + assert!(t.month <= 12 && t.month != 0); + assert!(t.year >= 1900 && t.year <= 9999); + assert!(t.day <= 31 && t.day != 0); + + assert!(t.second < 60); + assert!(t.minute < 60); + assert!(t.hour < 24); + assert!(t.nanosecond < 1_000_000_000); + + assert!( + (t.timezone <= 1440 && t.timezone >= -1440) + || t.timezone == r_efi::efi::UNSPECIFIED_TIMEZONE + ); const YEAR_BASE: u32 = 4800; /* Before min year, multiple of 400. */ - // Calculate the number of days since 1/1/1970 + // Calculate the number of days since 1/1/1900. This is the earliest supported date in UEFI + // time. // Use 1 March as the start let (m_adj, overflow): (u32, bool) = (t.month as u32).overflowing_sub(3); let (carry, adjust): (u32, u32) = if overflow { (1, 12) } else { (0, 0) }; let y_adj: u32 = (t.year as u32) + YEAR_BASE - carry; let month_days: u32 = (m_adj.wrapping_add(adjust) * 62719 + 769) / 2048; let leap_days: u32 = y_adj / 4 - y_adj / 100 + y_adj / 400; - let days: u32 = y_adj * 365 + leap_days + month_days + (t.day as u32 - 1) - 2472632; + let days: u32 = y_adj * 365 + leap_days + month_days + (t.day as u32 - 1) - 2447065; let localtime_epoch: u64 = (days as u64) * SECS_IN_DAY + (t.second as u64) + (t.minute as u64) * SECS_IN_MINUTE + (t.hour as u64) * SECS_IN_HOUR; - let utc_epoch: u64 = if t.timezone == r_efi::efi::UNSPECIFIED_TIMEZONE { - localtime_epoch + // Calculate the offset from 1/1/1900 at timezone -1440 min + let adjusted_localtime_epoc: u64 = localtime_epoch + TIMEZONE_DELTA; + + let epoch: u64 = if t.timezone == r_efi::efi::UNSPECIFIED_TIMEZONE { + adjusted_localtime_epoc } else { - (localtime_epoch as i64 + (t.timezone as i64) * SECS_IN_MINUTE as i64) as u64 + adjusted_localtime_epoc + .checked_add_signed((t.timezone as i64) * SECS_IN_MINUTE as i64) + .unwrap() }; - Duration::new(utc_epoch, t.nanosecond) + Duration::new(epoch, t.nanosecond) + } + + /// This algorithm is a modifed version of the one described in the post: + /// https://howardhinnant.github.io/date_algorithms.html#clive_from_days + /// + /// The changes are to use 1900-01-01-00:00:00 with timezone -1440 as anchor instead of UNIX + /// epoch used in the original algorithm. + pub(crate) const fn to_uefi(dur: &Duration, timezone: i16, daylight: u8) -> Option<Time> { + // Check timzone validity + assert!(timezone <= 1440 && timezone >= -1440); + + // FIXME(#126043): use checked_sub_signed once stablized + let secs = + dur.as_secs().checked_add_signed((-timezone as i64) * SECS_IN_MINUTE as i64).unwrap(); + + // Convert to seconds since 1900-01-01-00:00:00 in timezone. + let Some(secs) = secs.checked_sub(TIMEZONE_DELTA) else { return None }; + + let days = secs / SECS_IN_DAY; + let remaining_secs = secs % SECS_IN_DAY; + + let z = days + 693901; + let era = z / 146097; + let doe = z - (era * 146097); + let yoe = (doe - doe / 1460 + doe / 36524 - doe / 146096) / 365; + let mut y = yoe + era * 400; + let doy = doe - (365 * yoe + yoe / 4 - yoe / 100); + let mp = (5 * doy + 2) / 153; + let d = doy - (153 * mp + 2) / 5 + 1; + let m = if mp < 10 { mp + 3 } else { mp - 9 }; + + if m <= 2 { + y += 1; + } + + let hour = (remaining_secs / SECS_IN_HOUR) as u8; + let minute = ((remaining_secs % SECS_IN_HOUR) / SECS_IN_MINUTE) as u8; + let second = (remaining_secs % SECS_IN_MINUTE) as u8; + + // Check Bounds + if y >= 1900 && y <= 9999 { + Some(Time { + year: y as u16, + month: m as u8, + day: d as u8, + hour, + minute, + second, + nanosecond: dur.subsec_nanos(), + timezone, + daylight, + pad1: 0, + pad2: 0, + }) + } else { + None + } } } diff --git a/library/std/src/sys/pal/unix/time.rs b/library/std/src/sys/pal/unix/time.rs index bd7f74fea6a..328fe0bc960 100644 --- a/library/std/src/sys/pal/unix/time.rs +++ b/library/std/src/sys/pal/unix/time.rs @@ -38,15 +38,18 @@ impl SystemTime { SystemTime { t: Timespec::now(libc::CLOCK_REALTIME) } } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { self.t.sub_timespec(&other.t) } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime { t: self.t.checked_add_duration(other)? }) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime { t: self.t.checked_sub_duration(other)? }) } } @@ -133,8 +136,15 @@ impl Timespec { Timespec::new(t.tv_sec as i64, t.tv_nsec as i64).unwrap() } - pub fn sub_timespec(&self, other: &Timespec) -> Result<Duration, Duration> { - if self >= other { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_timespec(&self, other: &Timespec) -> Result<Duration, Duration> { + // FIXME: const PartialOrd + let mut cmp = self.tv_sec - other.tv_sec; + if cmp == 0 { + cmp = self.tv_nsec.as_inner() as i64 - other.tv_nsec.as_inner() as i64; + } + + if cmp >= 0 { // NOTE(eddyb) two aspects of this `if`-`else` are required for LLVM // to optimize it into a branchless form (see also #75545): // @@ -169,7 +179,8 @@ impl Timespec { } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<Timespec> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<Timespec> { let mut secs = self.tv_sec.checked_add_unsigned(other.as_secs())?; // Nano calculations can't overflow because nanos are <1B which fit @@ -179,10 +190,11 @@ impl Timespec { nsec -= NSEC_PER_SEC as u32; secs = secs.checked_add(1)?; } - Some(unsafe { Timespec::new_unchecked(secs, nsec.into()) }) + Some(unsafe { Timespec::new_unchecked(secs, nsec as i64) }) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<Timespec> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<Timespec> { let mut secs = self.tv_sec.checked_sub_unsigned(other.as_secs())?; // Similar to above, nanos can't overflow. @@ -191,7 +203,7 @@ impl Timespec { nsec += NSEC_PER_SEC as i32; secs = secs.checked_sub(1)?; } - Some(unsafe { Timespec::new_unchecked(secs, nsec.into()) }) + Some(unsafe { Timespec::new_unchecked(secs, nsec as i64) }) } #[allow(dead_code)] diff --git a/library/std/src/sys/pal/unsupported/time.rs b/library/std/src/sys/pal/unsupported/time.rs index 6d67b538a96..0c387917044 100644 --- a/library/std/src/sys/pal/unsupported/time.rs +++ b/library/std/src/sys/pal/unsupported/time.rs @@ -31,15 +31,22 @@ impl SystemTime { panic!("time not implemented on this platform") } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { - self.0.checked_sub(other.0).ok_or_else(|| other.0 - self.0) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + // FIXME: ok_or_else with const closures + match self.0.checked_sub(other.0) { + Some(duration) => Ok(duration), + None => Err(other.0 - self.0), + } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_add(*other)?)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub(*other)?)) } } diff --git a/library/std/src/sys/pal/wasi/time.rs b/library/std/src/sys/pal/wasi/time.rs index 0d8d0b59ac1..892661b312b 100644 --- a/library/std/src/sys/pal/wasi/time.rs +++ b/library/std/src/sys/pal/wasi/time.rs @@ -43,23 +43,34 @@ impl SystemTime { SystemTime(current_time(wasi::CLOCKID_REALTIME)) } - pub fn from_wasi_timestamp(ts: wasi::Timestamp) -> SystemTime { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn from_wasi_timestamp(ts: wasi::Timestamp) -> SystemTime { SystemTime(Duration::from_nanos(ts)) } - pub fn to_wasi_timestamp(&self) -> Option<wasi::Timestamp> { - self.0.as_nanos().try_into().ok() + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn to_wasi_timestamp(&self) -> Option<wasi::Timestamp> { + // FIXME: const TryInto + let ns = self.0.as_nanos(); + if ns <= u64::MAX as u128 { Some(ns as u64) } else { None } } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { - self.0.checked_sub(other.0).ok_or_else(|| other.0 - self.0) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + // FIXME: ok_or_else with const closures + match self.0.checked_sub(other.0) { + Some(duration) => Ok(duration), + None => Err(other.0 - self.0), + } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_add(*other)?)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub(*other)?)) } } diff --git a/library/std/src/sys/pal/windows/time.rs b/library/std/src/sys/pal/windows/time.rs index 68126bd8d2f..a948c07e0a3 100644 --- a/library/std/src/sys/pal/windows/time.rs +++ b/library/std/src/sys/pal/windows/time.rs @@ -72,7 +72,8 @@ impl SystemTime { } } - fn from_intervals(intervals: i64) -> SystemTime { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + const fn from_intervals(intervals: i64) -> SystemTime { SystemTime { t: c::FILETIME { dwLowDateTime: intervals as u32, @@ -81,11 +82,13 @@ impl SystemTime { } } - fn intervals(&self) -> i64 { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + const fn intervals(&self) -> i64 { (self.t.dwLowDateTime as i64) | ((self.t.dwHighDateTime as i64) << 32) } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { let me = self.intervals(); let other = other.intervals(); if me >= other { @@ -95,12 +98,14 @@ impl SystemTime { } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { let intervals = self.intervals().checked_add(checked_dur2intervals(other)?)?; Some(SystemTime::from_intervals(intervals)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { let intervals = self.intervals().checked_sub(checked_dur2intervals(other)?)?; Some(SystemTime::from_intervals(intervals)) } @@ -150,15 +155,18 @@ impl Hash for SystemTime { } } -fn checked_dur2intervals(dur: &Duration) -> Option<i64> { - dur.as_secs() +#[rustc_const_unstable(feature = "const_system_time", issue = "144517")] +const fn checked_dur2intervals(dur: &Duration) -> Option<i64> { + // FIXME: const TryInto + let secs = dur + .as_secs() .checked_mul(INTERVALS_PER_SEC)? - .checked_add(dur.subsec_nanos() as u64 / 100)? - .try_into() - .ok() + .checked_add(dur.subsec_nanos() as u64 / 100)?; + if secs <= i64::MAX as u64 { Some(secs.cast_signed()) } else { None } } -fn intervals2dur(intervals: u64) -> Duration { +#[rustc_const_unstable(feature = "const_system_time", issue = "144517")] +const fn intervals2dur(intervals: u64) -> Duration { Duration::new(intervals / INTERVALS_PER_SEC, ((intervals % INTERVALS_PER_SEC) * 100) as u32) } diff --git a/library/std/src/sys/pal/xous/time.rs b/library/std/src/sys/pal/xous/time.rs index ae8be81c0b7..d737416436e 100644 --- a/library/std/src/sys/pal/xous/time.rs +++ b/library/std/src/sys/pal/xous/time.rs @@ -43,15 +43,22 @@ impl SystemTime { SystemTime { 0: Duration::from_millis((upper as u64) << 32 | lower as u64) } } - pub fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { - self.0.checked_sub(other.0).ok_or_else(|| other.0 - self.0) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn sub_time(&self, other: &SystemTime) -> Result<Duration, Duration> { + // FIXME: ok_or_else with const closures + match self.0.checked_sub(other.0) { + Some(duration) => Ok(duration), + None => Err(other.0 - self.0), + } } - pub fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_add(*other)?)) } - pub fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub_duration(&self, other: &Duration) -> Option<SystemTime> { Some(SystemTime(self.0.checked_sub(*other)?)) } } diff --git a/library/std/src/time.rs b/library/std/src/time.rs index cd0683f44c9..07bb41f1496 100644 --- a/library/std/src/time.rs +++ b/library/std/src/time.rs @@ -551,8 +551,13 @@ impl SystemTime { /// println!("{difference:?}"); /// ``` #[stable(feature = "time2", since = "1.8.0")] - pub fn duration_since(&self, earlier: SystemTime) -> Result<Duration, SystemTimeError> { - self.0.sub_time(&earlier.0).map_err(SystemTimeError) + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn duration_since(&self, earlier: SystemTime) -> Result<Duration, SystemTimeError> { + // FIXME: map_err in const + match self.0.sub_time(&earlier.0) { + Ok(time) => Ok(time), + Err(err) => Err(SystemTimeError(err)), + } } /// Returns the difference from this system time to the @@ -589,7 +594,8 @@ impl SystemTime { /// `SystemTime` (which means it's inside the bounds of the underlying data structure), `None` /// otherwise. #[stable(feature = "time_checked_add", since = "1.34.0")] - pub fn checked_add(&self, duration: Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_add(&self, duration: Duration) -> Option<SystemTime> { self.0.checked_add_duration(&duration).map(SystemTime) } @@ -597,13 +603,15 @@ impl SystemTime { /// `SystemTime` (which means it's inside the bounds of the underlying data structure), `None` /// otherwise. #[stable(feature = "time_checked_add", since = "1.34.0")] - pub fn checked_sub(&self, duration: Duration) -> Option<SystemTime> { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn checked_sub(&self, duration: Duration) -> Option<SystemTime> { self.0.checked_sub_duration(&duration).map(SystemTime) } } #[stable(feature = "time2", since = "1.8.0")] -impl Add<Duration> for SystemTime { +#[rustc_const_unstable(feature = "const_ops", issue = "143802")] +impl const Add<Duration> for SystemTime { type Output = SystemTime; /// # Panics @@ -616,14 +624,16 @@ impl Add<Duration> for SystemTime { } #[stable(feature = "time_augmented_assignment", since = "1.9.0")] -impl AddAssign<Duration> for SystemTime { +#[rustc_const_unstable(feature = "const_ops", issue = "143802")] +impl const AddAssign<Duration> for SystemTime { fn add_assign(&mut self, other: Duration) { *self = *self + other; } } #[stable(feature = "time2", since = "1.8.0")] -impl Sub<Duration> for SystemTime { +#[rustc_const_unstable(feature = "const_ops", issue = "143802")] +impl const Sub<Duration> for SystemTime { type Output = SystemTime; fn sub(self, dur: Duration) -> SystemTime { @@ -632,7 +642,8 @@ impl Sub<Duration> for SystemTime { } #[stable(feature = "time_augmented_assignment", since = "1.9.0")] -impl SubAssign<Duration> for SystemTime { +#[rustc_const_unstable(feature = "const_ops", issue = "143802")] +impl const SubAssign<Duration> for SystemTime { fn sub_assign(&mut self, other: Duration) { *self = *self - other; } @@ -699,7 +710,8 @@ impl SystemTimeError { /// ``` #[must_use] #[stable(feature = "time2", since = "1.8.0")] - pub fn duration(&self) -> Duration { + #[rustc_const_unstable(feature = "const_system_time", issue = "144517")] + pub const fn duration(&self) -> Duration { self.0 } } diff --git a/library/std/tests/path.rs b/library/std/tests/path.rs index 901d2770f20..e1576a0d423 100644 --- a/library/std/tests/path.rs +++ b/library/std/tests/path.rs @@ -1,10 +1,4 @@ -#![feature( - clone_to_uninit, - path_add_extension, - path_file_prefix, - maybe_uninit_slice, - normalize_lexically -)] +#![feature(clone_to_uninit, path_add_extension, maybe_uninit_slice, normalize_lexically)] use std::clone::CloneToUninit; use std::ffi::OsStr; diff --git a/library/test/src/cli.rs b/library/test/src/cli.rs index 8840714a662..1b3f9e2564c 100644 --- a/library/test/src/cli.rs +++ b/library/test/src/cli.rs @@ -162,18 +162,17 @@ tests whose names contain the filter are run. Multiple filter strings may be passed, which will run all tests matching any of the filters. By default, all tests are run in parallel. This can be altered with the ---test-threads flag or the RUST_TEST_THREADS environment variable when running -tests (set it to 1). +--test-threads flag when running tests (set it to 1). -By default, the tests are run in alphabetical order. Use --shuffle or set -RUST_TEST_SHUFFLE to run the tests in random order. Pass the generated -"shuffle seed" to --shuffle-seed (or set RUST_TEST_SHUFFLE_SEED) to run the -tests in the same order again. Note that --shuffle and --shuffle-seed do not -affect whether the tests are run in parallel. +By default, the tests are run in alphabetical order. Use --shuffle to run +the tests in random order. Pass the generated "shuffle seed" to +--shuffle-seed to run the tests in the same order again. Note that +--shuffle and --shuffle-seed do not affect whether the tests are run in +parallel. All tests have their standard output and standard error captured by default. -This can be overridden with the --no-capture flag or setting RUST_TEST_NOCAPTURE -environment variable to a value other than "0". Logging is not captured by default. +This can be overridden with the --no-capture flag to a value other than "0". +Logging is not captured by default. Test Attributes: diff --git a/src/bootstrap/src/bin/rustc.rs b/src/bootstrap/src/bin/rustc.rs index 0364c664ba5..5865df67b66 100644 --- a/src/bootstrap/src/bin/rustc.rs +++ b/src/bootstrap/src/bin/rustc.rs @@ -258,7 +258,7 @@ fn main() { eprintln!("{prefix} libdir: {libdir:?}"); } - maybe_dump(format!("stage{stage}-rustc"), &cmd); + maybe_dump(format!("stage{}-rustc", stage + 1), &cmd); let start = Instant::now(); let (child, status) = { diff --git a/src/bootstrap/src/bin/rustdoc.rs b/src/bootstrap/src/bin/rustdoc.rs index a338b9c8080..efb51bdce1e 100644 --- a/src/bootstrap/src/bin/rustdoc.rs +++ b/src/bootstrap/src/bin/rustdoc.rs @@ -56,11 +56,11 @@ fn main() { // Thus, if we are on stage 0, we explicitly set `--cfg=bootstrap`. // We also declare that the flag is expected, which we need to do to not // get warnings about it being unexpected. - if stage == "0" { + if stage == 0 { cmd.arg("--cfg=bootstrap"); } - maybe_dump(format!("stage{stage}-rustdoc"), &cmd); + maybe_dump(format!("stage{}-rustdoc", stage + 1), &cmd); if verbose > 1 { eprintln!( diff --git a/src/bootstrap/src/core/build_steps/check.rs b/src/bootstrap/src/core/build_steps/check.rs index f931aae3c2e..0cbf8f55e99 100644 --- a/src/bootstrap/src/core/build_steps/check.rs +++ b/src/bootstrap/src/core/build_steps/check.rs @@ -72,7 +72,6 @@ impl Step for Std { fn run(self, builder: &Builder<'_>) { let build_compiler = self.build_compiler; - let stage = build_compiler.stage; let target = self.target; let mut cargo = builder::Cargo::new( @@ -94,10 +93,12 @@ impl Step for Std { cargo.arg("-p").arg(krate); } - let _guard = builder.msg_check( + let _guard = builder.msg( + Kind::Check, format_args!("library artifacts{}", crate_description(&self.crates)), + Mode::Std, + self.build_compiler, target, - Some(stage), ); let stamp = build_stamp::libstd_stamp(builder, build_compiler, target).with_prefix("check"); @@ -136,7 +137,13 @@ impl Step for Std { let stamp = build_stamp::libstd_stamp(builder, build_compiler, target).with_prefix("check-test"); - let _guard = builder.msg_check("library test/bench/example targets", target, Some(stage)); + let _guard = builder.msg( + Kind::Check, + "library test/bench/example targets", + Mode::Std, + self.build_compiler, + target, + ); run_cargo(builder, cargo, builder.config.free_args.clone(), &stamp, vec![], true, false); } @@ -227,10 +234,12 @@ impl Step for Rustc { cargo.arg("-p").arg(krate); } - let _guard = builder.msg_check( + let _guard = builder.msg( + Kind::Check, format_args!("compiler artifacts{}", crate_description(&self.crates)), + Mode::Rustc, + self.build_compiler, target, - None, ); let stamp = @@ -357,7 +366,13 @@ impl Step for CodegenBackend { .arg(builder.src.join(format!("compiler/{}/Cargo.toml", backend.crate_name()))); rustc_cargo_env(builder, &mut cargo, target); - let _guard = builder.msg_check(backend.crate_name(), target, None); + let _guard = builder.msg( + Kind::Check, + backend.crate_name(), + Mode::Codegen, + self.build_compiler, + target, + ); let stamp = build_stamp::codegen_backend_stamp(builder, build_compiler, target, &backend) .with_prefix("check"); @@ -482,14 +497,7 @@ fn run_tool_check_step( let stamp = BuildStamp::new(&builder.cargo_out(build_compiler, mode, target)) .with_prefix(&format!("{display_name}-check")); - let stage = match mode { - // Mode::ToolRustc is included here because of how msg_sysroot_tool prints stages - Mode::Std | Mode::ToolRustc => build_compiler.stage, - _ => build_compiler.stage + 1, - }; - - let _guard = - builder.msg_tool(builder.kind, mode, display_name, stage, &build_compiler.host, &target); + let _guard = builder.msg(builder.kind, display_name, mode, build_compiler, target); run_cargo(builder, cargo, builder.config.free_args.clone(), &stamp, vec![], true, false); } diff --git a/src/bootstrap/src/core/build_steps/clean.rs b/src/bootstrap/src/core/build_steps/clean.rs index f67569d1486..8712aeb81eb 100644 --- a/src/bootstrap/src/core/build_steps/clean.rs +++ b/src/bootstrap/src/core/build_steps/clean.rs @@ -129,7 +129,7 @@ fn clean_specific_stage(build: &Build, stage: u32) { for entry in entries { let entry = t!(entry); - let stage_prefix = format!("stage{stage}"); + let stage_prefix = format!("stage{}", stage + 1); // if current entry is not related with the target stage, continue if !entry.file_name().to_str().unwrap_or("").contains(&stage_prefix) { diff --git a/src/bootstrap/src/core/build_steps/clippy.rs b/src/bootstrap/src/core/build_steps/clippy.rs index 93c767bdd25..4d734fe5c66 100644 --- a/src/bootstrap/src/core/build_steps/clippy.rs +++ b/src/bootstrap/src/core/build_steps/clippy.rs @@ -143,11 +143,11 @@ impl Step for Std { fn run(self, builder: &Builder<'_>) { let target = self.target; - let compiler = builder.compiler(builder.top_stage, builder.config.host_target); + let build_compiler = builder.compiler(builder.top_stage, builder.config.host_target); let mut cargo = builder::Cargo::new( builder, - compiler, + build_compiler, Mode::Std, SourceType::InTree, target, @@ -160,14 +160,19 @@ impl Step for Std { cargo.arg("-p").arg(krate); } - let _guard = - builder.msg_clippy(format_args!("library{}", crate_description(&self.crates)), target); + let _guard = builder.msg( + Kind::Clippy, + format_args!("library{}", crate_description(&self.crates)), + Mode::Std, + build_compiler, + target, + ); run_cargo( builder, cargo, lint_args(builder, &self.config, IGNORED_RULES_FOR_STD_AND_RUSTC), - &build_stamp::libstd_stamp(builder, compiler, target), + &build_stamp::libstd_stamp(builder, build_compiler, target), vec![], true, false, @@ -203,33 +208,33 @@ impl Step for Rustc { /// This will lint the compiler for a particular stage of the build using /// the `compiler` targeting the `target` architecture. fn run(self, builder: &Builder<'_>) { - let compiler = builder.compiler(builder.top_stage, builder.config.host_target); + let build_compiler = builder.compiler(builder.top_stage, builder.config.host_target); let target = self.target; if !builder.download_rustc() { - if compiler.stage != 0 { + if build_compiler.stage != 0 { // If we're not in stage 0, then we won't have a std from the beta // compiler around. That means we need to make sure there's one in // the sysroot for the compiler to find. Otherwise, we're going to // fail when building crates that need to generate code (e.g., build // scripts and their dependencies). - builder.std(compiler, compiler.host); - builder.std(compiler, target); + builder.std(build_compiler, build_compiler.host); + builder.std(build_compiler, target); } else { - builder.ensure(check::Std::new(compiler, target)); + builder.ensure(check::Std::new(build_compiler, target)); } } let mut cargo = builder::Cargo::new( builder, - compiler, + build_compiler, Mode::Rustc, SourceType::InTree, target, Kind::Clippy, ); - rustc_cargo(builder, &mut cargo, target, &compiler, &self.crates); + rustc_cargo(builder, &mut cargo, target, &build_compiler, &self.crates); // Explicitly pass -p for all compiler crates -- this will force cargo // to also lint the tests/benches/examples for these crates, rather @@ -238,14 +243,19 @@ impl Step for Rustc { cargo.arg("-p").arg(krate); } - let _guard = - builder.msg_clippy(format_args!("compiler{}", crate_description(&self.crates)), target); + let _guard = builder.msg( + Kind::Clippy, + format_args!("compiler{}", crate_description(&self.crates)), + Mode::Rustc, + build_compiler, + target, + ); run_cargo( builder, cargo, lint_args(builder, &self.config, IGNORED_RULES_FOR_STD_AND_RUSTC), - &build_stamp::librustc_stamp(builder, compiler, target), + &build_stamp::librustc_stamp(builder, build_compiler, target), vec![], true, false, @@ -284,16 +294,16 @@ macro_rules! lint_any { } fn run(self, builder: &Builder<'_>) -> Self::Output { - let compiler = builder.compiler(builder.top_stage, builder.config.host_target); + let build_compiler = builder.compiler(builder.top_stage, builder.config.host_target); let target = self.target; if !builder.download_rustc() { - builder.ensure(check::Rustc::new(builder, compiler, target)); + builder.ensure(check::Rustc::new(builder, build_compiler, target)); }; let cargo = prepare_tool_cargo( builder, - compiler, + build_compiler, Mode::ToolRustc, target, Kind::Clippy, @@ -302,17 +312,16 @@ macro_rules! lint_any { &[], ); - let _guard = builder.msg_tool( + let _guard = builder.msg( Kind::Clippy, - Mode::ToolRustc, $readable_name, - compiler.stage, - &compiler.host, - &target, + Mode::ToolRustc, + build_compiler, + target, ); let stringified_name = stringify!($name).to_lowercase(); - let stamp = BuildStamp::new(&builder.cargo_out(compiler, Mode::ToolRustc, target)) + let stamp = BuildStamp::new(&builder.cargo_out(build_compiler, Mode::ToolRustc, target)) .with_prefix(&format!("{}-check", stringified_name)); run_cargo( diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index 4519731ada7..c8feba48d84 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -159,7 +159,7 @@ impl Step for Std { return; } - let compiler = if builder.download_rustc() && self.force_recompile { + let build_compiler = if builder.download_rustc() && self.force_recompile { // When there are changes in the library tree with CI-rustc, we want to build // the stageN library and that requires using stageN-1 compiler. builder.compiler(self.compiler.stage.saturating_sub(1), builder.config.host_target) @@ -173,7 +173,8 @@ impl Step for Std { && builder.config.is_host_target(target) && !self.force_recompile { - let sysroot = builder.ensure(Sysroot { compiler, force_recompile: false }); + let sysroot = + builder.ensure(Sysroot { compiler: build_compiler, force_recompile: false }); cp_rustc_component_to_ci_sysroot( builder, &sysroot, @@ -182,53 +183,58 @@ impl Step for Std { return; } - if builder.config.keep_stage.contains(&compiler.stage) - || builder.config.keep_stage_std.contains(&compiler.stage) + if builder.config.keep_stage.contains(&build_compiler.stage) + || builder.config.keep_stage_std.contains(&build_compiler.stage) { trace!(keep_stage = ?builder.config.keep_stage); trace!(keep_stage_std = ?builder.config.keep_stage_std); builder.info("WARNING: Using a potentially old libstd. This may not behave well."); - builder.ensure(StartupObjects { compiler, target }); + builder.ensure(StartupObjects { compiler: build_compiler, target }); - self.copy_extra_objects(builder, &compiler, target); + self.copy_extra_objects(builder, &build_compiler, target); - builder.ensure(StdLink::from_std(self, compiler)); + builder.ensure(StdLink::from_std(self, build_compiler)); return; } - let mut target_deps = builder.ensure(StartupObjects { compiler, target }); + let mut target_deps = builder.ensure(StartupObjects { compiler: build_compiler, target }); - let compiler_to_use = builder.compiler_for(compiler.stage, compiler.host, target); + let compiler_to_use = + builder.compiler_for(build_compiler.stage, build_compiler.host, target); trace!(?compiler_to_use); - if compiler_to_use != compiler + if compiler_to_use != build_compiler // Never uplift std unless we have compiled stage 1; if stage 1 is compiled, // uplift it from there. // // FIXME: improve `fn compiler_for` to avoid adding stage condition here. - && compiler.stage > 1 + && build_compiler.stage > 1 { - trace!(?compiler_to_use, ?compiler, "compiler != compiler_to_use, uplifting library"); + trace!( + ?compiler_to_use, + ?build_compiler, + "build_compiler != compiler_to_use, uplifting library" + ); builder.std(compiler_to_use, target); let msg = if compiler_to_use.host == target { format!( "Uplifting library (stage{} -> stage{})", - compiler_to_use.stage, compiler.stage + compiler_to_use.stage, build_compiler.stage ) } else { format!( "Uplifting library (stage{}:{} -> stage{}:{})", - compiler_to_use.stage, compiler_to_use.host, compiler.stage, target + compiler_to_use.stage, compiler_to_use.host, build_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. - self.copy_extra_objects(builder, &compiler, target); + self.copy_extra_objects(builder, &build_compiler, target); builder.ensure(StdLink::from_std(self, compiler_to_use)); return; @@ -236,11 +242,11 @@ impl Step for Std { trace!( ?compiler_to_use, - ?compiler, + ?build_compiler, "compiler == compiler_to_use, handling not-cross-compile scenario" ); - target_deps.extend(self.copy_extra_objects(builder, &compiler, target)); + target_deps.extend(self.copy_extra_objects(builder, &build_compiler, target)); // We build a sysroot for mir-opt tests using the same trick that Miri does: A check build // with -Zalways-encode-mir. This frees us from the need to have a target linker, and the @@ -249,7 +255,7 @@ impl Step for Std { trace!("building special sysroot for mir-opt tests"); let mut cargo = builder::Cargo::new_for_mir_opt_tests( builder, - compiler, + build_compiler, Mode::Std, SourceType::InTree, target, @@ -262,7 +268,7 @@ impl Step for Std { trace!("building regular sysroot"); let mut cargo = builder::Cargo::new( builder, - compiler, + build_compiler, Mode::Std, SourceType::InTree, target, @@ -285,16 +291,16 @@ impl Step for Std { let _guard = builder.msg( Kind::Build, - compiler.stage, format_args!("library artifacts{}", crate_description(&self.crates)), - compiler.host, + Mode::Std, + build_compiler, target, ); run_cargo( builder, cargo, vec![], - &build_stamp::libstd_stamp(builder, compiler, target), + &build_stamp::libstd_stamp(builder, build_compiler, target), target_deps, self.is_for_mir_opt_tests, // is_check false, @@ -302,7 +308,7 @@ impl Step for Std { builder.ensure(StdLink::from_std( self, - builder.compiler(compiler.stage, builder.config.host_target), + builder.compiler(build_compiler.stage, builder.config.host_target), )); } @@ -1126,11 +1132,11 @@ impl Step for Rustc { cargo.env("RUSTC_BOLT_LINK_FLAGS", "1"); } - let _guard = builder.msg_rustc_tool( + let _guard = builder.msg( Kind::Build, - build_compiler.stage, format_args!("compiler artifacts{}", crate_description(&self.crates)), - build_compiler.host, + Mode::Rustc, + build_compiler, target, ); let stamp = build_stamp::librustc_stamp(builder, build_compiler, target); @@ -1603,13 +1609,8 @@ impl Step for GccCodegenBackend { let gcc = builder.ensure(Gcc { target }); add_cg_gcc_cargo_flags(&mut cargo, &gcc); - let _guard = builder.msg_rustc_tool( - Kind::Build, - build_compiler.stage, - "codegen backend gcc", - build_compiler.host, - target, - ); + let _guard = + builder.msg(Kind::Build, "codegen backend gcc", Mode::Codegen, build_compiler, target); let files = run_cargo(builder, cargo, vec![], &stamp, vec![], false, false); write_codegen_backend_stamp(stamp, files, builder.config.dry_run()) } @@ -1687,11 +1688,11 @@ impl Step for CraneliftCodegenBackend { .arg(builder.src.join("compiler/rustc_codegen_cranelift/Cargo.toml")); rustc_cargo_env(builder, &mut cargo, target); - let _guard = builder.msg_rustc_tool( + let _guard = builder.msg( Kind::Build, - build_compiler.stage, "codegen backend cranelift", - build_compiler.host, + Mode::Codegen, + build_compiler, target, ); let files = run_cargo(builder, cargo, vec![], &stamp, vec![], false, false); diff --git a/src/bootstrap/src/core/build_steps/doc.rs b/src/bootstrap/src/core/build_steps/doc.rs index ca7a6dc8e07..6f0d5203d11 100644 --- a/src/bootstrap/src/core/build_steps/doc.rs +++ b/src/bootstrap/src/core/build_steps/doc.rs @@ -239,7 +239,7 @@ impl Step for TheBook { fn run(self, builder: &Builder<'_>) { builder.require_submodule("src/doc/book", None); - let compiler = self.build_compiler; + let build_compiler = self.build_compiler; let target = self.target; let absolute_path = builder.src.join("src/doc/book"); @@ -273,20 +273,20 @@ impl Step for TheBook { let shared_assets = builder.ensure(SharedAssets { target }); // build the redirect pages - let _guard = builder.msg_doc(compiler, "book redirect pages", target); + let _guard = builder.msg(Kind::Doc, "book redirect pages", None, build_compiler, target); for file in t!(fs::read_dir(redirect_path)) { let file = t!(file); let path = file.path(); let path = path.to_str().unwrap(); - invoke_rustdoc(builder, compiler, &shared_assets, target, path); + invoke_rustdoc(builder, build_compiler, &shared_assets, target, path); } } } fn invoke_rustdoc( builder: &Builder<'_>, - compiler: Compiler, + build_compiler: Compiler, shared_assets: &SharedAssetsPaths, target: TargetSelection, markdown: &str, @@ -298,7 +298,7 @@ fn invoke_rustdoc( let header = builder.src.join("src/doc/redirect.inc"); let footer = builder.src.join("src/doc/footer.inc"); - let mut cmd = builder.rustdoc_cmd(compiler); + let mut cmd = builder.rustdoc_cmd(build_compiler); let out = out.join("book"); @@ -362,7 +362,7 @@ impl Step for Standalone { fn run(self, builder: &Builder<'_>) { let target = self.target; let build_compiler = self.build_compiler; - let _guard = builder.msg_doc(build_compiler, "standalone", target); + let _guard = builder.msg(Kind::Doc, "standalone", None, build_compiler, target); let out = builder.doc_out(target); t!(fs::create_dir_all(&out)); @@ -469,7 +469,7 @@ impl Step for Releases { fn run(self, builder: &Builder<'_>) { let target = self.target; let build_compiler = self.build_compiler; - let _guard = builder.msg_doc(build_compiler, "releases", target); + let _guard = builder.msg(Kind::Doc, "releases", None, build_compiler, target); let out = builder.doc_out(target); t!(fs::create_dir_all(&out)); @@ -784,7 +784,7 @@ fn doc_std( let description = format!("library{} in {} format", crate_description(requested_crates), format.as_str()); - let _guard = builder.msg_doc(build_compiler, description, target); + let _guard = builder.msg(Kind::Doc, description, None, build_compiler, target); cargo.into_cmd().run(builder); builder.cp_link_r(&out_dir, out); @@ -861,11 +861,11 @@ impl Step for Rustc { let build_compiler = self.build_compiler; builder.std(build_compiler, builder.config.host_target); - let _guard = builder.msg_rustc_tool( + let _guard = builder.msg( Kind::Doc, - build_compiler.stage, format!("compiler{}", crate_description(&self.crates)), - build_compiler.host, + Mode::Rustc, + build_compiler, target, ); @@ -1059,7 +1059,7 @@ macro_rules! tool_doc { let proc_macro_out_dir = builder.stage_out(build_compiler, mode).join("doc"); symlink_dir_force(&builder.config, &out, &proc_macro_out_dir); - let _guard = builder.msg_doc(build_compiler, stringify!($tool).to_lowercase(), target); + let _guard = builder.msg(Kind::Doc, stringify!($tool).to_lowercase(), None, build_compiler, target); cargo.into_cmd().run(builder); if !builder.config.dry_run() { @@ -1314,13 +1314,8 @@ impl Step for RustcBook { // bootstrap.toml), then this needs to explicitly update the dylib search // path. builder.add_rustc_lib_path(self.build_compiler, &mut cmd); - let doc_generator_guard = builder.msg( - Kind::Run, - self.build_compiler.stage, - "lint-docs", - self.build_compiler.host, - self.target, - ); + let doc_generator_guard = + builder.msg(Kind::Run, "lint-docs", None, self.build_compiler, self.target); cmd.run(builder); drop(doc_generator_guard); diff --git a/src/bootstrap/src/core/build_steps/install.rs b/src/bootstrap/src/core/build_steps/install.rs index acee78dcf59..6d09e41e646 100644 --- a/src/bootstrap/src/core/build_steps/install.rs +++ b/src/bootstrap/src/core/build_steps/install.rs @@ -68,7 +68,13 @@ fn install_sh( host: Option<TargetSelection>, tarball: &GeneratedTarball, ) { - let _guard = builder.msg(Kind::Install, stage, package, host, host); + let _guard = builder.msg( + Kind::Install, + package, + None, + (host.unwrap_or(builder.host_target), stage), + host, + ); let prefix = default_path(&builder.config.prefix, "/usr/local"); let sysconfdir = prefix.join(default_path(&builder.config.sysconfdir, "/etc")); diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 2f933baa4a4..f1be0af3183 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -161,8 +161,7 @@ You can skip linkcheck with --skip src/tools/linkchecker" let linkchecker = builder.tool_cmd(Tool::Linkchecker); // Run the linkchecker. - let _guard = - builder.msg(Kind::Test, compiler.stage, "Linkcheck", bootstrap_host, bootstrap_host); + let _guard = builder.msg(Kind::Test, "Linkcheck", None, compiler, bootstrap_host); let _time = helpers::timeit(builder); linkchecker.delay_failure().arg(builder.out.join(host).join("doc")).run(builder); } @@ -541,8 +540,7 @@ impl Miri { cargo.env("MIRI_SYSROOT", &miri_sysroot); let mut cargo = BootstrapCommand::from(cargo); - let _guard = - builder.msg(Kind::Build, compiler.stage, "miri sysroot", compiler.host, target); + let _guard = builder.msg(Kind::Build, "miri sysroot", Mode::ToolRustc, compiler, target); cargo.run(builder); // # Determine where Miri put its sysroot. @@ -643,7 +641,8 @@ impl Step for Miri { cargo.env("MIRI_TEST_TARGET", target.rustc_target_arg()); { - let _guard = builder.msg_rustc_tool(Kind::Test, stage, "miri", host, target); + let _guard = + builder.msg(Kind::Test, "miri", Mode::ToolRustc, miri.build_compiler, target); let _time = helpers::timeit(builder); cargo.run(builder); } @@ -659,11 +658,11 @@ impl Step for Miri { cargo.args(["tests/pass", "tests/panic"]); { - let _guard = builder.msg_rustc_tool( + let _guard = builder.msg( Kind::Test, - stage, "miri (mir-opt-level 4)", - host, + Mode::ToolRustc, + miri.build_compiler, target, ); let _time = helpers::timeit(builder); @@ -703,7 +702,7 @@ impl Step for CargoMiri { } // This compiler runs on the host, we'll just use it for the target. - let compiler = builder.compiler(stage, host); + let build_compiler = builder.compiler(stage, host); // Run `cargo miri test`. // This is just a smoke test (Miri's own CI invokes this in a bunch of different ways and ensures @@ -711,7 +710,7 @@ impl Step for CargoMiri { // itself executes properly under Miri, and that all the logic in `cargo-miri` does not explode. let mut cargo = tool::prepare_tool_cargo( builder, - compiler, + build_compiler, Mode::ToolStd, // it's unclear what to use here, we're not building anything just doing a smoke test! target, Kind::MiriTest, @@ -736,7 +735,8 @@ impl Step for CargoMiri { // Finally, run everything. let mut cargo = BootstrapCommand::from(cargo); { - let _guard = builder.msg_rustc_tool(Kind::Test, stage, "cargo-miri", host, target); + let _guard = + builder.msg(Kind::Test, "cargo-miri", Mode::ToolRustc, (host, stage), target); let _time = helpers::timeit(builder); cargo.run(builder); } @@ -830,7 +830,7 @@ impl Step for Clippy { /// Runs `cargo test` for clippy. fn run(self, builder: &Builder<'_>) { - let host = self.compilers.target(); + let target = self.compilers.target(); // We need to carefully distinguish the compiler that builds clippy, and the compiler // that is linked into the clippy being tested. `target_compiler` is the latter, @@ -844,7 +844,7 @@ impl Step for Clippy { builder, build_compiler, Mode::ToolRustc, - host, + target, Kind::Test, "src/tools/clippy", SourceType::InTree, @@ -858,7 +858,7 @@ impl Step for Clippy { cargo.env("HOST_LIBS", host_libs); // Build the standard library that the tests can use. - builder.std(target_compiler, host); + builder.std(target_compiler, target); cargo.env("TEST_SYSROOT", builder.sysroot(target_compiler)); cargo.env("TEST_RUSTC", builder.rustc(target_compiler)); cargo.env("TEST_RUSTC_LIB", builder.rustc_libdir(target_compiler)); @@ -881,9 +881,9 @@ impl Step for Clippy { } cargo.add_rustc_lib_path(builder); - let cargo = prepare_cargo_test(cargo, &[], &[], host, builder); + let cargo = prepare_cargo_test(cargo, &[], &[], target, builder); - let _guard = builder.msg_rustc_tool(Kind::Test, build_compiler.stage, "clippy", host, host); + let _guard = builder.msg(Kind::Test, "clippy", Mode::ToolRustc, build_compiler, target); // Clippy reports errors if it blessed the outputs if cargo.allow_failure().run(builder) { @@ -990,9 +990,9 @@ impl Step for RustdocJSStd { )); let _guard = builder.msg( Kind::Test, - builder.top_stage, "rustdoc-js-std", - builder.config.host_target, + None, + (builder.config.host_target, builder.top_stage), self.target, ); command.run(builder); @@ -1141,13 +1141,7 @@ impl Step for RustdocGUI { } let _time = helpers::timeit(builder); - let _guard = builder.msg_rustc_tool( - Kind::Test, - self.compiler.stage, - "rustdoc-gui", - self.compiler.host, - self.target, - ); + let _guard = builder.msg(Kind::Test, "rustdoc-gui", None, self.compiler, self.target); try_run_tests(builder, &mut cmd, true); } } @@ -2237,9 +2231,10 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the let _group = builder.msg( Kind::Test, - compiler.stage, format!("compiletest suite={suite} mode={mode}"), - compiler.host, + // FIXME: compiletest sometimes behaves as ToolStd, we could expose that difference here + Mode::ToolBootstrap, + compiler, target, ); try_run_tests(builder, &mut cmd, false); @@ -2381,9 +2376,9 @@ impl BookTest { builder.add_rust_test_threads(&mut rustbook_cmd); let _guard = builder.msg( Kind::Test, - compiler.stage, format_args!("mdbook {}", self.path.display()), - compiler.host, + None, + compiler, compiler.host, ); let _time = helpers::timeit(builder); @@ -2402,8 +2397,7 @@ impl BookTest { builder.std(compiler, host); - let _guard = - builder.msg(Kind::Test, compiler.stage, format!("book {}", self.name), host, host); + let _guard = builder.msg(Kind::Test, format!("book {}", self.name), None, compiler, host); // Do a breadth-first traversal of the `src/doc` directory and just run // tests for all files that end in `*.md` @@ -2547,9 +2541,9 @@ impl Step for ErrorIndex { let guard = builder.msg( Kind::Test, - target_compiler.stage, "error-index", - target_compiler.host, + None, + self.compilers.build_compiler(), target_compiler.host, ); let _time = helpers::timeit(builder); @@ -2650,9 +2644,8 @@ fn run_cargo_test<'a>( let compiler = cargo.compiler(); let mut cargo = prepare_cargo_test(cargo, libtest_args, crates, target, builder); let _time = helpers::timeit(builder); - let _group = description.into().and_then(|what| { - builder.msg_rustc_tool(Kind::Test, compiler.stage, what, compiler.host, target) - }); + let _group = + description.into().and_then(|what| builder.msg(Kind::Test, what, None, compiler, target)); #[cfg(feature = "build-metrics")] builder.metrics.begin_test_suite( @@ -3176,8 +3169,9 @@ impl Step for Bootstrap { /// Tests the build system itself. fn run(self, builder: &Builder<'_>) { let host = builder.config.host_target; - let compiler = builder.compiler(0, host); - let _guard = builder.msg(Kind::Test, 0, "bootstrap", host, host); + let build_compiler = builder.compiler(0, host); + let _guard = + builder.msg(Kind::Test, "bootstrap", Mode::ToolBootstrap, build_compiler, host); // Some tests require cargo submodule to be present. builder.build.require_submodule("src/tools/cargo", None); @@ -3196,7 +3190,7 @@ impl Step for Bootstrap { let mut cargo = tool::prepare_tool_cargo( builder, - compiler, + build_compiler, Mode::ToolBootstrap, host, Kind::Test, @@ -3276,9 +3270,9 @@ impl Step for TierCheck { let _guard = builder.msg( Kind::Test, - self.compiler.stage, "platform support check", - self.compiler.host, + None, + self.compiler, self.compiler.host, ); BootstrapCommand::from(cargo).delay_failure().run(builder); @@ -3326,10 +3320,10 @@ impl Step for RustInstaller { /// Ensure the version placeholder replacement tool builds fn run(self, builder: &Builder<'_>) { let bootstrap_host = builder.config.host_target; - let compiler = builder.compiler(0, bootstrap_host); + let build_compiler = builder.compiler(0, bootstrap_host); let cargo = tool::prepare_tool_cargo( builder, - compiler, + build_compiler, Mode::ToolBootstrap, bootstrap_host, Kind::Test, @@ -3338,13 +3332,8 @@ impl Step for RustInstaller { &[], ); - let _guard = builder.msg( - Kind::Test, - compiler.stage, - "rust-installer", - bootstrap_host, - bootstrap_host, - ); + let _guard = + builder.msg(Kind::Test, "rust-installer", None, build_compiler, bootstrap_host); run_cargo_test(cargo, &[], &[], None, bootstrap_host, builder); // We currently don't support running the test.sh script outside linux(?) environments. @@ -3355,7 +3344,7 @@ impl Step for RustInstaller { } let mut cmd = command(builder.src.join("src/tools/rust-installer/test.sh")); - let tmpdir = testdir(builder, compiler.host).join("rust-installer"); + let tmpdir = testdir(builder, build_compiler.host).join("rust-installer"); let _ = std::fs::remove_dir_all(&tmpdir); let _ = std::fs::create_dir_all(&tmpdir); cmd.current_dir(&tmpdir); diff --git a/src/bootstrap/src/core/build_steps/tool.rs b/src/bootstrap/src/core/build_steps/tool.rs index 42f59f00e5a..793e6b629c9 100644 --- a/src/bootstrap/src/core/build_steps/tool.rs +++ b/src/bootstrap/src/core/build_steps/tool.rs @@ -26,7 +26,7 @@ use crate::core::builder::{ use crate::core::config::{DebuginfoLevel, RustcLto, TargetSelection}; use crate::utils::exec::{BootstrapCommand, command}; use crate::utils::helpers::{add_dylib_path, exe, t}; -use crate::{Compiler, FileType, Kind, Mode, gha}; +use crate::{Compiler, FileType, Kind, Mode}; #[derive(Debug, Clone, Hash, PartialEq, Eq)] pub enum SourceType { @@ -58,28 +58,6 @@ struct ToolBuild { artifact_kind: ToolArtifactKind, } -impl Builder<'_> { - #[track_caller] - pub(crate) fn msg_tool( - &self, - kind: Kind, - mode: Mode, - tool: &str, - build_stage: u32, - host: &TargetSelection, - target: &TargetSelection, - ) -> Option<gha::Group> { - match mode { - // depends on compiler stage, different to host compiler - Mode::ToolRustc => { - self.msg_rustc_tool(kind, build_stage, format_args!("tool {tool}"), *host, *target) - } - // doesn't depend on compiler, same as host compiler - _ => self.msg(kind, build_stage, format_args!("tool {tool}"), *host, *target), - } - } -} - /// Result of the tool build process. Each `Step` in this module is responsible /// for using this type as `type Output = ToolBuildResult;` #[derive(Clone)] @@ -166,14 +144,8 @@ impl Step for ToolBuild { cargo.args(self.cargo_args); - let _guard = builder.msg_tool( - Kind::Build, - self.mode, - self.tool, - self.build_compiler.stage, - &self.build_compiler.host, - &self.target, - ); + let _guard = + builder.msg(Kind::Build, self.tool, self.mode, self.build_compiler, self.target); // we check this below let build_success = compile::stream_cargo(builder, cargo, vec![], &mut |_| {}); @@ -380,13 +352,13 @@ pub(crate) fn get_tool_target_compiler( /// tools directory. fn copy_link_tool_bin( builder: &Builder<'_>, - compiler: Compiler, + build_compiler: Compiler, target: TargetSelection, mode: Mode, name: &str, ) -> PathBuf { - let cargo_out = builder.cargo_out(compiler, mode, target).join(exe(name, target)); - let bin = builder.tools_dir(compiler).join(exe(name, target)); + let cargo_out = builder.cargo_out(build_compiler, mode, target).join(exe(name, target)); + let bin = builder.tools_dir(build_compiler).join(exe(name, target)); builder.copy_link(&cargo_out, &bin, FileType::Executable); bin } diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs index 163a498d4b4..de4b941ac90 100644 --- a/src/bootstrap/src/core/builder/mod.rs +++ b/src/bootstrap/src/core/builder/mod.rs @@ -1597,7 +1597,7 @@ You have to build a stage1 compiler for `{}` first, and then use it to build a s cmd.env("CARGO", &self.initial_cargo); // Need to add the `run_compiler` libs. Those are the libs produces *by* `build_compiler` // in `tool::ToolBuild` step, so they match the Miri we just built. However this means they - // are actually living one stage up, i.e. we are running `stage0-tools-bin/miri` with the + // are actually living one stage up, i.e. we are running `stage1-tools-bin/miri` with the // libraries in `stage1/lib`. This is an unfortunate off-by-1 caused (possibly) by the fact // that Miri doesn't have an "assemble" step like rustc does that would cross the stage boundary. // We can't use `add_rustc_lib_path` as that's a NOP on Windows but we do need these libraries diff --git a/src/bootstrap/src/core/config/config.rs b/src/bootstrap/src/core/config/config.rs index c505cacadb5..a656927b1f6 100644 --- a/src/bootstrap/src/core/config/config.rs +++ b/src/bootstrap/src/core/config/config.rs @@ -955,7 +955,7 @@ impl Config { config.download_rustc_commit = download_ci_rustc_commit(dwn_ctx, rust_download_rustc, config.llvm_assertions); - if debug_assertions_requested { + if debug_assertions_requested && config.download_rustc_commit.is_some() { eprintln!( "WARN: `rust.debug-assertions = true` will prevent downloading CI rustc as alt CI \ rustc is not currently built with debug assertions." diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs index 4abf386e5de..0b65ebc0671 100644 --- a/src/bootstrap/src/lib.rs +++ b/src/bootstrap/src/lib.rs @@ -410,6 +410,25 @@ forward! { download_rustc() -> bool, } +/// A mostly temporary helper struct before we can migrate everything in bootstrap to use +/// the concept of a build compiler. +struct HostAndStage { + host: TargetSelection, + stage: u32, +} + +impl From<(TargetSelection, u32)> for HostAndStage { + fn from((host, stage): (TargetSelection, u32)) -> Self { + Self { host, stage } + } +} + +impl From<Compiler> for HostAndStage { + fn from(compiler: Compiler) -> Self { + Self { host: compiler.host, stage: compiler.stage } + } +} + impl Build { /// Creates a new set of build configuration from the `flags` on the command /// line and the filesystem `config`. @@ -859,14 +878,17 @@ impl Build { if self.config.rust_optimize.is_release() { "release" } else { "debug" } } - fn tools_dir(&self, compiler: Compiler) -> PathBuf { - let out = self.out.join(compiler.host).join(format!("stage{}-tools-bin", compiler.stage)); + fn tools_dir(&self, build_compiler: Compiler) -> PathBuf { + let out = self + .out + .join(build_compiler.host) + .join(format!("stage{}-tools-bin", build_compiler.stage + 1)); t!(fs::create_dir_all(&out)); out } /// Returns the root directory for all output generated in a particular - /// stage when running with a particular host compiler. + /// stage when being built with a particular build compiler. /// /// The mode indicates what the root directory is for. fn stage_out(&self, build_compiler: Compiler, mode: Mode) -> PathBuf { @@ -876,15 +898,17 @@ impl Build { (None, "bootstrap-tools") } fn staged_tool(build_compiler: Compiler) -> (Option<u32>, &'static str) { - (Some(build_compiler.stage), "tools") + (Some(build_compiler.stage + 1), "tools") } let (stage, suffix) = match mode { + // Std is special, stage N std is built with stage N rustc Mode::Std => (Some(build_compiler.stage), "std"), - Mode::Rustc => (Some(build_compiler.stage), "rustc"), - Mode::Codegen => (Some(build_compiler.stage), "codegen"), + // The rest of things are built with stage N-1 rustc + Mode::Rustc => (Some(build_compiler.stage + 1), "rustc"), + Mode::Codegen => (Some(build_compiler.stage + 1), "codegen"), Mode::ToolBootstrap => bootstrap_tool(), - Mode::ToolStd | Mode::ToolRustc => (Some(build_compiler.stage), "tools"), + Mode::ToolStd | Mode::ToolRustc => (Some(build_compiler.stage + 1), "tools"), Mode::ToolTarget => { // If we're not cross-compiling (the common case), share the target directory with // bootstrap tools to reuse the build cache. @@ -907,8 +931,8 @@ impl Build { /// Returns the root output directory for all Cargo output in a given stage, /// running a particular compiler, whether or not we're building the /// standard library, and targeting the specified architecture. - fn cargo_out(&self, compiler: Compiler, mode: Mode, target: TargetSelection) -> PathBuf { - self.stage_out(compiler, mode).join(target).join(self.cargo_dir()) + fn cargo_out(&self, build_compiler: Compiler, mode: Mode, target: TargetSelection) -> PathBuf { + self.stage_out(build_compiler, mode).join(target).join(self.cargo_dir()) } /// Root output directory of LLVM for `target` @@ -1067,45 +1091,14 @@ impl Build { } } - #[must_use = "Groups should not be dropped until the Step finishes running"] - #[track_caller] - fn msg_clippy( - &self, - what: impl Display, - target: impl Into<Option<TargetSelection>>, - ) -> Option<gha::Group> { - self.msg(Kind::Clippy, self.config.stage, what, self.config.host_target, target) - } - - #[must_use = "Groups should not be dropped until the Step finishes running"] - #[track_caller] - fn msg_check( - &self, - what: impl Display, - target: impl Into<Option<TargetSelection>>, - custom_stage: Option<u32>, - ) -> Option<gha::Group> { - self.msg( - Kind::Check, - custom_stage.unwrap_or(self.config.stage), - what, - self.config.host_target, - target, - ) - } - - #[must_use = "Groups should not be dropped until the Step finishes running"] - #[track_caller] - fn msg_doc( - &self, - compiler: Compiler, - what: impl Display, - target: impl Into<Option<TargetSelection>> + Copy, - ) -> Option<gha::Group> { - self.msg(Kind::Doc, compiler.stage, what, compiler.host, target.into()) - } - - /// Return a `Group` guard for a [`Step`] that is built for each `--stage`. + /// Return a `Group` guard for a [`Step`] that: + /// - Performs `action` + /// - On `what` + /// - Where `what` possibly corresponds to a `mode` + /// - `action` is performed using the given build compiler (`host_and_stage`). + /// - Since some steps do not use the concept of a build compiler yet, it is also possible + /// to pass the host and stage explicitly. + /// - With a given `target`. /// /// [`Step`]: crate::core::builder::Step #[must_use = "Groups should not be dropped until the Step finishes running"] @@ -1113,19 +1106,36 @@ impl Build { fn msg( &self, action: impl Into<Kind>, - stage: u32, what: impl Display, - host: impl Into<Option<TargetSelection>>, + mode: impl Into<Option<Mode>>, + host_and_stage: impl Into<HostAndStage>, target: impl Into<Option<TargetSelection>>, ) -> Option<gha::Group> { + let host_and_stage = host_and_stage.into(); + let actual_stage = match mode.into() { + // Std has the same stage as the compiler that builds it + Some(Mode::Std) => host_and_stage.stage, + // Other things have stage corresponding to their build compiler + 1 + Some( + Mode::Rustc + | Mode::Codegen + | Mode::ToolBootstrap + | Mode::ToolTarget + | Mode::ToolStd + | Mode::ToolRustc, + ) + | None => host_and_stage.stage + 1, + }; + let action = action.into().description(); - let msg = |fmt| format!("{action} stage{stage} {what}{fmt}"); + let msg = |fmt| format!("{action} stage{actual_stage} {what}{fmt}"); let msg = if let Some(target) = target.into() { - let host = host.into().unwrap(); + let build_stage = host_and_stage.stage; + let host = host_and_stage.host; if host == target { - msg(format_args!(" ({target})")) + msg(format_args!(" (stage{build_stage} -> stage{actual_stage}, {target})")) } else { - msg(format_args!(" ({host} -> {target})")) + msg(format_args!(" (stage{build_stage}:{host} -> stage{actual_stage}:{target})")) } } else { msg(format_args!("")) @@ -1149,27 +1159,6 @@ impl Build { self.group(&msg) } - #[must_use = "Groups should not be dropped until the Step finishes running"] - #[track_caller] - fn msg_rustc_tool( - &self, - action: impl Into<Kind>, - build_stage: u32, - what: impl Display, - host: TargetSelection, - target: TargetSelection, - ) -> Option<gha::Group> { - let action = action.into().description(); - let msg = |fmt| format!("{action} {what} {fmt}"); - - let msg = if host == target { - msg(format_args!("(stage{build_stage} -> stage{}, {target})", build_stage + 1)) - } else { - msg(format_args!("(stage{build_stage}:{host} -> stage{}:{target})", build_stage + 1)) - }; - self.group(&msg) - } - #[track_caller] fn group(&self, msg: &str) -> Option<gha::Group> { match self.config.get_dry_run() { diff --git a/src/bootstrap/src/utils/change_tracker.rs b/src/bootstrap/src/utils/change_tracker.rs index 091956e7e5f..cd7fba39a84 100644 --- a/src/bootstrap/src/utils/change_tracker.rs +++ b/src/bootstrap/src/utils/change_tracker.rs @@ -496,4 +496,9 @@ pub const CONFIG_CHANGE_HISTORY: &[ChangeInfo] = &[ severity: ChangeSeverity::Warning, summary: "It is no longer possible to `x doc` with stage 0. All doc commands have to be on stage 1+.", }, + ChangeInfo { + change_id: 145295, + severity: ChangeSeverity::Warning, + summary: "The names of stageN directories in the build directory have been consolidated with the new (post-stage-0-redesign) staging scheme. Some tools and binaries might be located in a different build directory than before.", + }, ]; diff --git a/src/bootstrap/src/utils/shared_helpers.rs b/src/bootstrap/src/utils/shared_helpers.rs index 9428e221f41..d620cc4bbb6 100644 --- a/src/bootstrap/src/utils/shared_helpers.rs +++ b/src/bootstrap/src/utils/shared_helpers.rs @@ -81,10 +81,11 @@ pub fn parse_rustc_verbose() -> usize { } /// Parses the value of the "RUSTC_STAGE" environment variable and returns it as a `String`. +/// This is the stage of the *build compiler*, which we are wrapping using a rustc/rustdoc wrapper. /// /// If "RUSTC_STAGE" was not set, the program will be terminated with 101. -pub fn parse_rustc_stage() -> String { - env::var("RUSTC_STAGE").unwrap_or_else(|_| { +pub fn parse_rustc_stage() -> u32 { + env::var("RUSTC_STAGE").ok().and_then(|v| v.parse().ok()).unwrap_or_else(|| { // Don't panic here; it's reasonable to try and run these shims directly. Give a helpful error instead. eprintln!("rustc shim: FATAL: RUSTC_STAGE was not set"); eprintln!("rustc shim: NOTE: use `x.py build -vvv` to see all environment variables set by bootstrap"); diff --git a/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile b/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile index 2b8a3f829c6..e726329753f 100644 --- a/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile +++ b/src/ci/docker/host-aarch64/dist-aarch64-linux/Dockerfile @@ -96,7 +96,7 @@ ENV RUST_CONFIGURE_ARGS \ --set rust.codegen-units=1 ENV SCRIPT python3 ../x.py build --set rust.debug=true opt-dist && \ - ./build/$HOSTS/stage0-tools-bin/opt-dist linux-ci -- python3 ../x.py dist \ + ./build/$HOSTS/stage1-tools-bin/opt-dist linux-ci -- python3 ../x.py dist \ --host $HOSTS --target $HOSTS --include-default-paths build-manifest bootstrap ENV CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=clang diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/dist.sh b/src/ci/docker/host-x86_64/dist-x86_64-linux/dist.sh index 924bdbc7615..4c95d4a401e 100755 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/dist.sh +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/dist.sh @@ -4,7 +4,7 @@ set -eux python3 ../x.py build --set rust.debug=true opt-dist -./build/$HOSTS/stage0-tools-bin/opt-dist linux-ci -- python3 ../x.py dist \ +./build/$HOSTS/stage1-tools-bin/opt-dist linux-ci -- python3 ../x.py dist \ --host $HOSTS --target $HOSTS \ --include-default-paths \ build-manifest bootstrap diff --git a/src/ci/docker/host-x86_64/pr-check-2/Dockerfile b/src/ci/docker/host-x86_64/pr-check-2/Dockerfile index 1a219125593..6fea2437276 100644 --- a/src/ci/docker/host-x86_64/pr-check-2/Dockerfile +++ b/src/ci/docker/host-x86_64/pr-check-2/Dockerfile @@ -33,11 +33,11 @@ ENV SCRIPT \ python3 ../x.py test --stage 1 src/tools/compiletest && \ python3 ../x.py doc bootstrap && \ # Build both public and internal documentation. - RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc compiler --stage 2 && \ - RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc library --stage 2 && \ + RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc compiler --stage 1 && \ + RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc library --stage 1 && \ mkdir -p /checkout/obj/staging/doc && \ cp -r build/x86_64-unknown-linux-gnu/doc /checkout/obj/staging && \ - RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc library/test --stage 2 && \ + RUSTDOCFLAGS=\"--document-private-items --document-hidden-items\" python3 ../x.py doc library/test --stage 1 && \ # The BOOTSTRAP_TRACING flag is added to verify whether the # bootstrap process compiles successfully with this flag enabled. BOOTSTRAP_TRACING=1 python3 ../x.py --help diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 48c570bfa11..ae13d14c380 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -656,7 +656,7 @@ auto: --enable-full-tools --enable-profiler --set rust.codegen-units=1 - SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths + SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage1-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 CODEGEN_BACKENDS: llvm,cranelift <<: *job-windows-8c diff --git a/src/doc/reference b/src/doc/reference -Subproject 1be151c051a082b542548c62cafbcb055fa8944 +Subproject 59b8af811886313577615c2cf0e045f01faed88 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example -Subproject bd1279cdc9865bfff605e741fb76a0b2f07314a +Subproject adc1f3b9012ad3255eea2054ca30596a953d053 diff --git a/src/doc/rustc-dev-guide/src/building/optimized-build.md b/src/doc/rustc-dev-guide/src/building/optimized-build.md index 863ed9749fb..46def66d178 100644 --- a/src/doc/rustc-dev-guide/src/building/optimized-build.md +++ b/src/doc/rustc-dev-guide/src/building/optimized-build.md @@ -118,7 +118,7 @@ Here is an example of how can `opt-dist` be used locally (outside of CI): ``` 3. Run the tool with the `local` mode and provide necessary parameters: ```bash - ./build/host/stage0-tools-bin/opt-dist local \ + ./build/host/stage1-tools-bin/opt-dist local \ --target-triple <target> \ # select target, e.g. "x86_64-unknown-linux-gnu" --checkout-dir <path> \ # path to rust checkout, e.g. "." --llvm-dir <path> \ # path to built LLVM toolchain, e.g. "/foo/bar/llvm/install" diff --git a/src/doc/rustc-dev-guide/src/stability.md b/src/doc/rustc-dev-guide/src/stability.md index c26d34273d7..3c4c65fdd5a 100644 --- a/src/doc/rustc-dev-guide/src/stability.md +++ b/src/doc/rustc-dev-guide/src/stability.md @@ -182,6 +182,11 @@ of the standard library raises it to a warning with `#![warn(deprecated_in_future)]`. ## unstable_feature_bound -The `#[unstable_feature_bound(foo)]` attribute can be used together with `#[unstable]` attribute to mark an `impl` of stable type and stable trait as unstable. In std/core, an item annotated with `#[unstable_feature_bound(foo)]` can only be used by another item that is also annotated with `#[unstable_feature_bound(foo)]`. Outside of std/core, using an item with `#[unstable_feature_bound(foo)]` requires the feature to be enabled with `#![feature(foo)]` attribute on the crate. Currently, only `impl`s and free functions can be annotated with `#[unstable_feature_bound]`. +The `#[unstable_feature_bound(foo)]` attribute can be used together with `#[unstable]` attribute to mark an `impl` of stable type and stable trait as unstable. In std/core, an item annotated with `#[unstable_feature_bound(foo)]` can only be used by another item that is also annotated with `#[unstable_feature_bound(foo)]`. Outside of std/core, using an item with `#[unstable_feature_bound(foo)]` requires the feature to be enabled with `#![feature(foo)]` attribute on the crate. + +Currently, the items that can be annotated with `#[unstable_feature_bound]` are: +- `impl` +- free function +- trait [blog]: https://www.ralfj.de/blog/2018/07/19/const.html diff --git a/src/doc/rustc/src/tests/index.md b/src/doc/rustc/src/tests/index.md index 12de69a4c9e..7609ed23351 100644 --- a/src/doc/rustc/src/tests/index.md +++ b/src/doc/rustc/src/tests/index.md @@ -164,7 +164,7 @@ Sets the number of threads to use for running tests in parallel. By default, uses the amount of concurrency available on the hardware as indicated by [`available_parallelism`]. -This can also be specified with the `RUST_TEST_THREADS` environment variable. +Deprecated: this can also be specified with the `RUST_TEST_THREADS` environment variable. #### `--force-run-in-process` @@ -186,7 +186,7 @@ docs](../../unstable-book/compiler-flags/report-time.html) for more information. Runs the tests in random order, as opposed to the default alphabetical order. -This may also be specified by setting the `RUST_TEST_SHUFFLE` environment +Deprecated: this may also be specified by setting the `RUST_TEST_SHUFFLE` environment variable to anything but `0`. The random number generator seed that is output can be passed to @@ -209,7 +209,7 @@ the tests in the same order both times. _SEED_ is any 64-bit unsigned integer, for example, one produced by [`--shuffle`](#--shuffle). -This can also be specified with the `RUST_TEST_SHUFFLE_SEED` environment +Deprecated: this can also be specified with the `RUST_TEST_SHUFFLE_SEED` environment variable. ⚠️ 🚧 This option is [unstable](#unstable-options), and requires the `-Z @@ -231,7 +231,7 @@ Does not capture the stdout and stderr of the test, and allows tests to print to the console. Usually the output is captured, and only displayed if the test fails. -This may also be specified by setting the `RUST_TEST_NOCAPTURE` environment +Deprecated: this may also be specified by setting the `RUST_TEST_NOCAPTURE` environment variable to anything but `0`. `--nocapture` is a deprecated alias for `--no-capture`. diff --git a/src/doc/unstable-book/src/compiler-environment-variables/SDKROOT.md b/src/doc/unstable-book/src/compiler-environment-variables/SDKROOT.md index be9ed02f54d..6d371ae289f 100644 --- a/src/doc/unstable-book/src/compiler-environment-variables/SDKROOT.md +++ b/src/doc/unstable-book/src/compiler-environment-variables/SDKROOT.md @@ -1,6 +1,6 @@ # `SDKROOT` This environment variable is used on Apple targets. -It is passed through to the linker (currently either as `-isysroot` or `-syslibroot`). +It is passed through to the linker (currently either directly or via the `-syslibroot` flag). Note that this variable is not always respected. When the SDKROOT is clearly wrong (e.g. when the platform of the SDK does not match the `--target` used by rustc), this is ignored and rustc does its own detection. diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 7194c2fcede..890bfaced6c 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -2768,7 +2768,7 @@ fn clean_maybe_renamed_item<'tcx>( // These kinds of item either don't need a `name` or accept a `None` one so we handle them // before. match item.kind { - ItemKind::Impl(impl_) => return clean_impl(impl_, item.owner_id.def_id, cx), + ItemKind::Impl(ref impl_) => return clean_impl(impl_, item.owner_id.def_id, cx), ItemKind::Use(path, kind) => { return clean_use_statement( item, @@ -2896,7 +2896,7 @@ fn clean_impl<'tcx>( ) -> Vec<Item> { let tcx = cx.tcx; let mut ret = Vec::new(); - let trait_ = impl_.of_trait.as_ref().map(|t| clean_trait_ref(t, cx)); + let trait_ = impl_.of_trait.map(|t| clean_trait_ref(&t.trait_ref, cx)); let items = impl_ .items .iter() @@ -2922,7 +2922,10 @@ fn clean_impl<'tcx>( }); let mut make_item = |trait_: Option<Path>, for_: Type, items: Vec<Item>| { let kind = ImplItem(Box::new(Impl { - safety: impl_.safety, + safety: match impl_.of_trait { + Some(of_trait) => of_trait.safety, + None => hir::Safety::Safe, + }, generics: clean_generics(impl_.generics, cx), trait_, for_, diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index 02ee34aaac6..759f53974f5 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -1656,11 +1656,9 @@ fn display_c_like_variant( } else if should_show_enum_discriminant { let adt_def = cx.tcx().adt_def(enum_def_id); let discr = adt_def.discriminant_for_variant(cx.tcx(), index); - if discr.ty.is_signed() { - write!(w, "{} = {}", name.as_str(), discr.val as i128)?; - } else { - write!(w, "{} = {}", name.as_str(), discr.val)?; - } + // Use `discr`'s `Display` impl to render the value with the correct + // signedness, including proper sign-extension for signed types. + write!(w, "{} = {}", name.as_str(), discr)?; } else { write!(w, "{name}")?; } diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index bcb676cd1f1..40191551e4f 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -997,6 +997,7 @@ fn preprocess_link( } }; + let is_shortcut_style = ori_link.kind == LinkType::ShortcutUnknown; // If there's no backticks, be lenient and revert to the old behavior. // This is to prevent churn by linting on stuff that isn't meant to be a link. // only shortcut links have simple enough syntax that they @@ -1013,11 +1014,22 @@ fn preprocess_link( // | has backtick | never ignore | never ignore | // | no backtick | ignore if url-like | never ignore | // |-------------------------------------------------------| - let ignore_urllike = - can_be_url || (ori_link.kind == LinkType::ShortcutUnknown && !ori_link.link.contains('`')); + let ignore_urllike = can_be_url || (is_shortcut_style && !ori_link.link.contains('`')); if ignore_urllike && should_ignore_link(path_str) { return None; } + // If we have an intra-doc link starting with `!` (which isn't `[!]` because this is the never type), we ignore it + // as it is never valid. + // + // The case is common enough because of cases like `#[doc = include_str!("../README.md")]` which often + // uses GitHub-flavored Markdown (GFM) admonitions, such as `[!NOTE]`. + if is_shortcut_style + && let Some(suffix) = ori_link.link.strip_prefix('!') + && !suffix.is_empty() + && suffix.chars().all(|c| c.is_ascii_alphabetic()) + { + return None; + } // Strip generics from the path. let path_str = match strip_generics_from_path(path_str) { diff --git a/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs b/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs index d6469d32931..36498adff50 100644 --- a/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs +++ b/src/tools/clippy/clippy_lints/src/arbitrary_source_item_ordering.rs @@ -534,6 +534,7 @@ fn get_item_name(item: &Item<'_>) -> Option<String> { if let Some(of_trait) = im.of_trait { let mut trait_segs: Vec<String> = of_trait + .trait_ref .path .segments .iter() diff --git a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs index 581fe33ea0b..f31b67f470f 100644 --- a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs +++ b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs @@ -130,18 +130,22 @@ impl<'tcx> LateLintPass<'tcx> for BoolAssertComparison { let mut suggestions = vec![(name_span, non_eq_mac.to_string()), (lit_span, String::new())]; - if bool_value ^ eq_macro { - let Some(sugg) = Sugg::hir_opt(cx, non_lit_expr) else { - return; + if let Some(sugg) = Sugg::hir_opt(cx, non_lit_expr) { + let sugg = if bool_value ^ eq_macro { + !sugg.maybe_paren() + } else if ty::Bool == *non_lit_ty.kind() { + sugg + } else { + !!sugg.maybe_paren() }; - suggestions.push((non_lit_expr.span, (!sugg).to_string())); - } + suggestions.push((non_lit_expr.span, sugg.to_string())); - diag.multipart_suggestion( - format!("replace it with `{non_eq_mac}!(..)`"), - suggestions, - Applicability::MachineApplicable, - ); + diag.multipart_suggestion( + format!("replace it with `{non_eq_mac}!(..)`"), + suggestions, + Applicability::MachineApplicable, + ); + } }, ); } diff --git a/src/tools/clippy/clippy_lints/src/copy_iterator.rs b/src/tools/clippy/clippy_lints/src/copy_iterator.rs index 4ecf3e41611..51aebd8b0cf 100644 --- a/src/tools/clippy/clippy_lints/src/copy_iterator.rs +++ b/src/tools/clippy/clippy_lints/src/copy_iterator.rs @@ -37,12 +37,12 @@ declare_lint_pass!(CopyIterator => [COPY_ITERATOR]); impl<'tcx> LateLintPass<'tcx> for CopyIterator { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = item.kind && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && is_copy(cx, ty) - && let Some(trait_id) = trait_ref.trait_def_id() + && let Some(trait_id) = of_trait.trait_ref.trait_def_id() && cx.tcx.is_diagnostic_item(sym::Iterator, trait_id) { span_lint_and_note( diff --git a/src/tools/clippy/clippy_lints/src/derivable_impls.rs b/src/tools/clippy/clippy_lints/src/derivable_impls.rs index 0a481ddcd12..7580d6cab66 100644 --- a/src/tools/clippy/clippy_lints/src/derivable_impls.rs +++ b/src/tools/clippy/clippy_lints/src/derivable_impls.rs @@ -183,14 +183,14 @@ fn check_enum<'tcx>(cx: &LateContext<'tcx>, item: &'tcx Item<'_>, func_expr: &Ex impl<'tcx> LateLintPass<'tcx> for DerivableImpls { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), items: [child], self_ty, .. }) = item.kind && !cx.tcx.is_automatically_derived(item.owner_id.to_def_id()) && !item.span.from_expansion() - && let Some(def_id) = trait_ref.trait_def_id() + && let Some(def_id) = of_trait.trait_ref.trait_def_id() && cx.tcx.is_diagnostic_item(sym::Default, def_id) && let impl_item_hir = child.hir_id() && let Node::ImplItem(impl_item) = cx.tcx.hir_node(impl_item_hir) diff --git a/src/tools/clippy/clippy_lints/src/derive.rs b/src/tools/clippy/clippy_lints/src/derive.rs index 49dd1bb09c6..c53a957f6a8 100644 --- a/src/tools/clippy/clippy_lints/src/derive.rs +++ b/src/tools/clippy/clippy_lints/src/derive.rs @@ -201,10 +201,11 @@ declare_lint_pass!(Derive => [ impl<'tcx> LateLintPass<'tcx> for Derive { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = item.kind { + let trait_ref = &of_trait.trait_ref; let ty = cx.tcx.type_of(item.owner_id).instantiate_identity(); let is_automatically_derived = cx.tcx.is_automatically_derived(item.owner_id.to_def_id()); diff --git a/src/tools/clippy/clippy_lints/src/empty_drop.rs b/src/tools/clippy/clippy_lints/src/empty_drop.rs index 4e948701da4..2b822188434 100644 --- a/src/tools/clippy/clippy_lints/src/empty_drop.rs +++ b/src/tools/clippy/clippy_lints/src/empty_drop.rs @@ -36,11 +36,11 @@ declare_lint_pass!(EmptyDrop => [EMPTY_DROP]); impl LateLintPass<'_> for EmptyDrop { fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), items: [child], .. }) = item.kind - && trait_ref.trait_def_id() == cx.tcx.lang_items().drop_trait() + && of_trait.trait_ref.trait_def_id() == cx.tcx.lang_items().drop_trait() && let impl_item_hir = child.hir_id() && let Node::ImplItem(impl_item) = cx.tcx.hir_node(impl_item_hir) && let ImplItemKind::Fn(_, b) = &impl_item.kind diff --git a/src/tools/clippy/clippy_lints/src/error_impl_error.rs b/src/tools/clippy/clippy_lints/src/error_impl_error.rs index 6525648efb1..3018e1f1273 100644 --- a/src/tools/clippy/clippy_lints/src/error_impl_error.rs +++ b/src/tools/clippy/clippy_lints/src/error_impl_error.rs @@ -52,7 +52,7 @@ impl<'tcx> LateLintPass<'tcx> for ErrorImplError { ); }, ItemKind::Impl(imp) - if let Some(trait_def_id) = imp.of_trait.and_then(|t| t.trait_def_id()) + if let Some(trait_def_id) = imp.of_trait.and_then(|t| t.trait_ref.trait_def_id()) && let Some(error_def_id) = cx.tcx.get_diagnostic_item(sym::Error) && error_def_id == trait_def_id && let Some(def_id) = path_res(cx, imp.self_ty).opt_def_id().and_then(DefId::as_local) diff --git a/src/tools/clippy/clippy_lints/src/format_impl.rs b/src/tools/clippy/clippy_lints/src/format_impl.rs index 0535ecf5240..416aea51ea1 100644 --- a/src/tools/clippy/clippy_lints/src/format_impl.rs +++ b/src/tools/clippy/clippy_lints/src/format_impl.rs @@ -254,10 +254,10 @@ fn is_format_trait_impl(cx: &LateContext<'_>, impl_item: &ImplItem<'_>) -> Optio if impl_item.ident.name == sym::fmt && let ImplItemKind::Fn(_, body_id) = impl_item.kind && let Some(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = get_parent_as_impl(cx.tcx, impl_item.hir_id()) - && let Some(did) = trait_ref.trait_def_id() + && let Some(did) = of_trait.trait_ref.trait_def_id() && let Some(name) = cx.tcx.get_diagnostic_name(did) && matches!(name, sym::Debug | sym::Display) { diff --git a/src/tools/clippy/clippy_lints/src/from_over_into.rs b/src/tools/clippy/clippy_lints/src/from_over_into.rs index 1da6952eb64..e3bb5ee10db 100644 --- a/src/tools/clippy/clippy_lints/src/from_over_into.rs +++ b/src/tools/clippy/clippy_lints/src/from_over_into.rs @@ -67,12 +67,12 @@ impl_lint_pass!(FromOverInto => [FROM_OVER_INTO]); impl<'tcx> LateLintPass<'tcx> for FromOverInto { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(hir_trait_ref), + of_trait: Some(of_trait), self_ty, items: [impl_item_ref], .. }) = item.kind - && let Some(into_trait_seg) = hir_trait_ref.path.segments.last() + && let Some(into_trait_seg) = of_trait.trait_ref.path.segments.last() // `impl Into<target_ty> for self_ty` && let Some(GenericArgs { args: [GenericArg::Type(target_ty)], .. }) = into_trait_seg.args && span_is_local(item.span) diff --git a/src/tools/clippy/clippy_lints/src/functions/impl_trait_in_params.rs b/src/tools/clippy/clippy_lints/src/functions/impl_trait_in_params.rs index cb83b1395d2..3105e303ae3 100644 --- a/src/tools/clippy/clippy_lints/src/functions/impl_trait_in_params.rs +++ b/src/tools/clippy/clippy_lints/src/functions/impl_trait_in_params.rs @@ -54,8 +54,7 @@ pub(super) fn check_impl_item(cx: &LateContext<'_>, impl_item: &ImplItem<'_>) { if let ImplItemKind::Fn(_, body_id) = impl_item.kind && let hir::Node::Item(item) = cx.tcx.parent_hir_node(impl_item.hir_id()) && let hir::ItemKind::Impl(impl_) = item.kind - && let hir::Impl { of_trait, .. } = *impl_ - && of_trait.is_none() + && let hir::Impl { of_trait: None, .. } = impl_ && let body = cx.tcx.hir_body(body_id) && cx.tcx.visibility(cx.tcx.hir_body_owner_def_id(body.id())).is_public() && !is_in_test(cx.tcx, impl_item.hir_id()) diff --git a/src/tools/clippy/clippy_lints/src/functions/renamed_function_params.rs b/src/tools/clippy/clippy_lints/src/functions/renamed_function_params.rs index 0d6191f2c97..0a7c6e9d5f8 100644 --- a/src/tools/clippy/clippy_lints/src/functions/renamed_function_params.rs +++ b/src/tools/clippy/clippy_lints/src/functions/renamed_function_params.rs @@ -15,11 +15,11 @@ pub(super) fn check_impl_item(cx: &LateContext<'_>, item: &ImplItem<'_>, ignored && let parent_node = cx.tcx.parent_hir_node(item.hir_id()) && let Node::Item(parent_item) = parent_node && let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = &parent_item.kind && let Some(did) = trait_item_def_id_of_impl(cx, item.owner_id) - && !is_from_ignored_trait(trait_ref, ignored_traits) + && !is_from_ignored_trait(&of_trait.trait_ref, ignored_traits) { let mut param_idents_iter = cx.tcx.hir_body_param_idents(body_id); let mut default_param_idents_iter = cx.tcx.fn_arg_idents(did).iter().copied(); diff --git a/src/tools/clippy/clippy_lints/src/impl_hash_with_borrow_str_and_bytes.rs b/src/tools/clippy/clippy_lints/src/impl_hash_with_borrow_str_and_bytes.rs index 940adbae428..f73182d3af0 100644 --- a/src/tools/clippy/clippy_lints/src/impl_hash_with_borrow_str_and_bytes.rs +++ b/src/tools/clippy/clippy_lints/src/impl_hash_with_borrow_str_and_bytes.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::ty::implements_trait; use rustc_hir::def::{DefKind, Res}; -use rustc_hir::{Item, ItemKind, Path, TraitRef}; +use rustc_hir::{Item, ItemKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::Ty; use rustc_session::declare_lint_pass; @@ -76,10 +76,10 @@ impl LateLintPass<'_> for ImplHashWithBorrowStrBytes { /// three of `Hash`, `Borrow<str>` and `Borrow<[u8]>`. fn check_item(&mut self, cx: &LateContext<'_>, item: &Item<'_>) { if let ItemKind::Impl(imp) = item.kind - && let Some(TraitRef {path: Path {span, res, ..}, ..}) = imp.of_trait + && let Some(of_trait) = imp.of_trait && let ty = cx.tcx.type_of(item.owner_id).instantiate_identity() && let Some(hash_id) = cx.tcx.get_diagnostic_item(sym::Hash) - && Res::Def(DefKind::Trait, hash_id) == *res + && Res::Def(DefKind::Trait, hash_id) == of_trait.trait_ref.path.res && let Some(borrow_id) = cx.tcx.get_diagnostic_item(sym::Borrow) // since we are in the `Hash` impl, we don't need to check for that. // we need only to check for `Borrow<str>` and `Borrow<[u8]>` @@ -89,7 +89,7 @@ impl LateLintPass<'_> for ImplHashWithBorrowStrBytes { span_lint_and_then( cx, IMPL_HASH_BORROW_WITH_STR_AND_BYTES, - *span, + of_trait.trait_ref.path.span, "the semantics of `Borrow<T>` around `Hash` can't be satisfied when both `Borrow<str>` and `Borrow<[u8]>` are implemented", |diag| { diag.note("the `Borrow` semantics require that `Hash` must behave the same for all implementations of Borrow<T>"); diff --git a/src/tools/clippy/clippy_lints/src/infallible_try_from.rs b/src/tools/clippy/clippy_lints/src/infallible_try_from.rs index 589c294a678..36df07a4370 100644 --- a/src/tools/clippy/clippy_lints/src/infallible_try_from.rs +++ b/src/tools/clippy/clippy_lints/src/infallible_try_from.rs @@ -45,8 +45,8 @@ declare_lint_pass!(InfallibleTryFrom => [INFALLIBLE_TRY_FROM]); impl<'tcx> LateLintPass<'tcx> for InfallibleTryFrom { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { let ItemKind::Impl(imp) = item.kind else { return }; - let Some(r#trait) = imp.of_trait else { return }; - let Some(trait_def_id) = r#trait.trait_def_id() else { + let Some(of_trait) = imp.of_trait else { return }; + let Some(trait_def_id) = of_trait.trait_ref.trait_def_id() else { return; }; if !cx.tcx.is_diagnostic_item(sym::TryFrom, trait_def_id) { diff --git a/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs b/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs index b89f91f7255..645e0f981f2 100644 --- a/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs +++ b/src/tools/clippy/clippy_lints/src/iter_without_into_iter.rs @@ -125,8 +125,9 @@ impl LateLintPass<'_> for IterWithoutIntoIter { fn check_item(&mut self, cx: &LateContext<'_>, item: &rustc_hir::Item<'_>) { if let ItemKind::Impl(imp) = item.kind && let TyKind::Ref(_, self_ty_without_ref) = &imp.self_ty.kind - && let Some(trait_ref) = imp.of_trait - && trait_ref + && let Some(of_trait) = imp.of_trait + && of_trait + .trait_ref .trait_def_id() .is_some_and(|did| cx.tcx.is_diagnostic_item(sym::IntoIterator, did)) && !item.span.in_external_macro(cx.sess().source_map()) diff --git a/src/tools/clippy/clippy_lints/src/lifetimes.rs b/src/tools/clippy/clippy_lints/src/lifetimes.rs index 35c9d2fd4eb..149ae5e710c 100644 --- a/src/tools/clippy/clippy_lints/src/lifetimes.rs +++ b/src/tools/clippy/clippy_lints/src/lifetimes.rs @@ -150,7 +150,7 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes { } = item.kind { check_fn_inner(cx, sig, Some(id), None, generics, item.span, true, self.msrv); - } else if let ItemKind::Impl(impl_) = item.kind + } else if let ItemKind::Impl(impl_) = &item.kind && !item.span.from_expansion() { report_extra_impl_lifetimes(cx, impl_); @@ -712,8 +712,8 @@ fn report_extra_impl_lifetimes<'tcx>(cx: &LateContext<'tcx>, impl_: &'tcx Impl<' let mut checker = LifetimeChecker::<middle_nested_filter::All>::new(cx, impl_.generics); walk_generics(&mut checker, impl_.generics); - if let Some(ref trait_ref) = impl_.of_trait { - walk_trait_ref(&mut checker, trait_ref); + if let Some(of_trait) = impl_.of_trait { + walk_trait_ref(&mut checker, &of_trait.trait_ref); } walk_unambig_ty(&mut checker, impl_.self_ty); for &item in impl_.items { diff --git a/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs b/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs index 18e2b384a46..8822b32b1c3 100644 --- a/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs +++ b/src/tools/clippy/clippy_lints/src/missing_fields_in_debug.rs @@ -198,8 +198,8 @@ fn check_struct<'tcx>( impl<'tcx> LateLintPass<'tcx> for MissingFieldsInDebug { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { // is this an `impl Debug for X` block? - if let ItemKind::Impl(Impl { of_trait: Some(trait_ref), self_ty, .. }) = item.kind - && let Res::Def(DefKind::Trait, trait_def_id) = trait_ref.path.res + if let ItemKind::Impl(Impl { of_trait: Some(of_trait), self_ty, .. }) = item.kind + && let Res::Def(DefKind::Trait, trait_def_id) = of_trait.trait_ref.path.res && let TyKind::Path(QPath::Resolved(_, self_path)) = &self_ty.kind // make sure that the self type is either a struct, an enum or a union // this prevents ICEs such as when self is a type parameter or a primitive type diff --git a/src/tools/clippy/clippy_lints/src/missing_inline.rs b/src/tools/clippy/clippy_lints/src/missing_inline.rs index d02952eb487..b16924babd1 100644 --- a/src/tools/clippy/clippy_lints/src/missing_inline.rs +++ b/src/tools/clippy/clippy_lints/src/missing_inline.rs @@ -190,5 +190,5 @@ impl<'tcx> LateLintPass<'tcx> for MissingInline { /// and a rustc warning would be triggered, see #15301 fn fn_is_externally_exported(cx: &LateContext<'_>, def_id: DefId) -> bool { let attrs = cx.tcx.codegen_fn_attrs(def_id); - attrs.contains_extern_indicator() + attrs.contains_extern_indicator(cx.tcx, def_id) } diff --git a/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs b/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs index 399bf4e1806..9cc93bf0653 100644 --- a/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs +++ b/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs @@ -61,10 +61,10 @@ impl<'tcx> LateLintPass<'tcx> for MissingTraitMethods { if !is_lint_allowed(cx, MISSING_TRAIT_METHODS, item.hir_id()) && span_is_local(item.span) && let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = item.kind - && let Some(trait_id) = trait_ref.trait_def_id() + && let Some(trait_id) = of_trait.trait_ref.trait_def_id() { let trait_item_ids: DefIdSet = cx .tcx diff --git a/src/tools/clippy/clippy_lints/src/non_copy_const.rs b/src/tools/clippy/clippy_lints/src/non_copy_const.rs index 388c029c9ef..8a5a6f4a4dc 100644 --- a/src/tools/clippy/clippy_lints/src/non_copy_const.rs +++ b/src/tools/clippy/clippy_lints/src/non_copy_const.rs @@ -778,7 +778,7 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst<'tcx> { if let Node::Item(parent_item) = cx.tcx.parent_hir_node(item.hir_id()) && let ItemKind::Impl(impl_block) = parent_item.kind && let Some(of_trait) = impl_block.of_trait - && let Some(trait_id) = of_trait.trait_def_id() + && let Some(trait_id) = of_trait.trait_ref.trait_def_id() { // Replace all instances of `<Self as Trait>::AssocType` with the // unit type and check again. If the result is the same then the diff --git a/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs b/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs index 8ff78ec7c58..b810bc01fbd 100644 --- a/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs +++ b/src/tools/clippy/clippy_lints/src/non_send_fields_in_send_ty.rs @@ -83,10 +83,10 @@ impl<'tcx> LateLintPass<'tcx> for NonSendFieldInSendTy { if !item.span.in_external_macro(cx.tcx.sess.source_map()) && let Some(send_trait) = cx.tcx.get_diagnostic_item(sym::Send) && let ItemKind::Impl(hir_impl) = &item.kind - && let Some(trait_ref) = &hir_impl.of_trait - && let Some(trait_id) = trait_ref.trait_def_id() + && let Some(of_trait) = &hir_impl.of_trait + && let Some(trait_id) = of_trait.trait_ref.trait_def_id() && send_trait == trait_id - && hir_impl.polarity == ImplPolarity::Positive + && of_trait.polarity == ImplPolarity::Positive && let Some(ty_trait_ref) = cx.tcx.impl_trait_ref(item.owner_id) && let self_ty = ty_trait_ref.instantiate_identity().self_ty() && let ty::Adt(adt_def, impl_trait_args) = self_ty.kind() diff --git a/src/tools/clippy/clippy_lints/src/operators/op_ref.rs b/src/tools/clippy/clippy_lints/src/operators/op_ref.rs index 0a1f2625f4c..9c160ff680e 100644 --- a/src/tools/clippy/clippy_lints/src/operators/op_ref.rs +++ b/src/tools/clippy/clippy_lints/src/operators/op_ref.rs @@ -183,7 +183,7 @@ fn in_impl<'tcx>( && let item = cx.tcx.hir_expect_item(impl_def_id.expect_local()) && let ItemKind::Impl(item) = &item.kind && let Some(of_trait) = &item.of_trait - && let Some(seg) = of_trait.path.segments.last() + && let Some(seg) = of_trait.trait_ref.path.segments.last() && let Res::Def(_, trait_id) = seg.res && trait_id == bin_op && let Some(generic_args) = seg.args diff --git a/src/tools/clippy/clippy_lints/src/partialeq_ne_impl.rs b/src/tools/clippy/clippy_lints/src/partialeq_ne_impl.rs index 301b2cd4bf2..77751e75a8e 100644 --- a/src/tools/clippy/clippy_lints/src/partialeq_ne_impl.rs +++ b/src/tools/clippy/clippy_lints/src/partialeq_ne_impl.rs @@ -34,15 +34,15 @@ declare_lint_pass!(PartialEqNeImpl => [PARTIALEQ_NE_IMPL]); impl<'tcx> LateLintPass<'tcx> for PartialEqNeImpl { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), items: impl_items, .. }) = item.kind && !cx.tcx.is_automatically_derived(item.owner_id.to_def_id()) && let Some(eq_trait) = cx.tcx.lang_items().eq_trait() - && trait_ref.path.res.def_id() == eq_trait + && of_trait.trait_ref.path.res.def_id() == eq_trait { - for impl_item in *impl_items { + for impl_item in impl_items { if cx.tcx.item_name(impl_item.owner_id) == sym::ne { span_lint_hir( cx, diff --git a/src/tools/clippy/clippy_lints/src/same_name_method.rs b/src/tools/clippy/clippy_lints/src/same_name_method.rs index 67eb71f7d07..b87751f4986 100644 --- a/src/tools/clippy/clippy_lints/src/same_name_method.rs +++ b/src/tools/clippy/clippy_lints/src/same_name_method.rs @@ -68,9 +68,9 @@ impl<'tcx> LateLintPass<'tcx> for SameNameMethod { let existing_name = map.get_mut(res).unwrap(); match of_trait { - Some(trait_ref) => { + Some(of_trait) => { let mut methods_in_trait: BTreeSet<Symbol> = if let Node::TraitRef(TraitRef { path, .. }) = - cx.tcx.hir_node(trait_ref.hir_ref_id) + cx.tcx.hir_node(of_trait.trait_ref.hir_ref_id) && let Res::Def(DefKind::Trait, did) = path.res { // FIXME: if diff --git a/src/tools/clippy/clippy_lints/src/serde_api.rs b/src/tools/clippy/clippy_lints/src/serde_api.rs index 2de22e4b6a3..01c7f394b9a 100644 --- a/src/tools/clippy/clippy_lints/src/serde_api.rs +++ b/src/tools/clippy/clippy_lints/src/serde_api.rs @@ -26,16 +26,16 @@ declare_lint_pass!(SerdeApi => [SERDE_API_MISUSE]); impl<'tcx> LateLintPass<'tcx> for SerdeApi { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), items, .. }) = item.kind { - let did = trait_ref.path.res.def_id(); + let did = of_trait.trait_ref.path.res.def_id(); if paths::SERDE_DE_VISITOR.matches(cx, did) { let mut seen_str = None; let mut seen_string = None; - for item in *items { + for item in items { match cx.tcx.item_name(item.owner_id) { sym::visit_str => seen_str = Some(cx.tcx.def_span(item.owner_id)), sym::visit_string => seen_string = Some(cx.tcx.def_span(item.owner_id)), diff --git a/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs b/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs index 9596b85664b..303f6028bd5 100644 --- a/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs +++ b/src/tools/clippy/clippy_lints/src/to_string_trait_impl.rs @@ -48,10 +48,10 @@ declare_lint_pass!(ToStringTraitImpl => [TO_STRING_TRAIT_IMPL]); impl<'tcx> LateLintPass<'tcx> for ToStringTraitImpl { fn check_item(&mut self, cx: &LateContext<'tcx>, it: &'tcx Item<'tcx>) { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = it.kind - && let Some(trait_did) = trait_ref.trait_def_id() + && let Some(trait_did) = of_trait.trait_ref.trait_def_id() && cx.tcx.is_diagnostic_item(sym::ToString, trait_did) { span_lint_and_help( diff --git a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs index dcddff557d1..e843e169113 100644 --- a/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs +++ b/src/tools/clippy/clippy_lints/src/unconditional_recursion.rs @@ -137,9 +137,9 @@ fn get_impl_trait_def_id(cx: &LateContext<'_>, method_def_id: LocalDefId) -> Opt // We exclude `impl` blocks generated from rustc's proc macros. && !cx.tcx.is_automatically_derived(owner_id.to_def_id()) // It is a implementation of a trait. - && let Some(trait_) = impl_.of_trait + && let Some(of_trait) = impl_.of_trait { - trait_.trait_def_id() + of_trait.trait_ref.trait_def_id() } else { None } @@ -242,8 +242,8 @@ fn check_to_string(cx: &LateContext<'_>, method_span: Span, method_def_id: Local // We exclude `impl` blocks generated from rustc's proc macros. && !cx.tcx.is_automatically_derived(owner_id.to_def_id()) // It is a implementation of a trait. - && let Some(trait_) = impl_.of_trait - && let Some(trait_def_id) = trait_.trait_def_id() + && let Some(of_trait) = impl_.of_trait + && let Some(trait_def_id) = of_trait.trait_ref.trait_def_id() // The trait is `ToString`. && cx.tcx.is_diagnostic_item(sym::ToString, trait_def_id) { diff --git a/src/tools/clippy/clippy_lints/src/undocumented_unsafe_blocks.rs b/src/tools/clippy/clippy_lints/src/undocumented_unsafe_blocks.rs index cf603c6190b..1c52de52619 100644 --- a/src/tools/clippy/clippy_lints/src/undocumented_unsafe_blocks.rs +++ b/src/tools/clippy/clippy_lints/src/undocumented_unsafe_blocks.rs @@ -8,7 +8,7 @@ use clippy_utils::source::walk_span_to_context; use clippy_utils::visitors::{Descend, for_each_expr}; use hir::HirId; use rustc_hir as hir; -use rustc_hir::{Block, BlockCheckMode, ItemKind, Node, UnsafeSource}; +use rustc_hir::{Block, BlockCheckMode, Impl, ItemKind, Node, UnsafeSource}; use rustc_lexer::{FrontmatterAllowed, TokenKind, tokenize}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::impl_lint_pass; @@ -204,7 +204,7 @@ impl<'tcx> LateLintPass<'tcx> for UndocumentedUnsafeBlocks { let item_has_safety_comment = item_has_safety_comment(cx, item); match (&item.kind, item_has_safety_comment) { // lint unsafe impl without safety comment - (ItemKind::Impl(impl_), HasSafetyComment::No) if impl_.safety.is_unsafe() => { + (ItemKind::Impl(Impl { of_trait: Some(of_trait), .. }), HasSafetyComment::No) if of_trait.safety.is_unsafe() => { if !is_lint_allowed(cx, UNDOCUMENTED_UNSAFE_BLOCKS, item.hir_id()) && !is_unsafe_from_proc_macro(cx, item.span) { @@ -228,7 +228,7 @@ impl<'tcx> LateLintPass<'tcx> for UndocumentedUnsafeBlocks { } }, // lint safe impl with unnecessary safety comment - (ItemKind::Impl(impl_), HasSafetyComment::Yes(pos)) if impl_.safety.is_safe() => { + (ItemKind::Impl(Impl { of_trait: Some(of_trait), .. }), HasSafetyComment::Yes(pos)) if of_trait.safety.is_safe() => { if !is_lint_allowed(cx, UNNECESSARY_SAFETY_COMMENT, item.hir_id()) { let (span, help_span) = mk_spans(pos); diff --git a/src/tools/clippy/clippy_lints/src/write.rs b/src/tools/clippy/clippy_lints/src/write.rs index d9a007635ca..a15e4e42e71 100644 --- a/src/tools/clippy/clippy_lints/src/write.rs +++ b/src/tools/clippy/clippy_lints/src/write.rs @@ -347,10 +347,10 @@ impl<'tcx> LateLintPass<'tcx> for Write { fn is_debug_impl(cx: &LateContext<'_>, item: &Item<'_>) -> bool { if let ItemKind::Impl(Impl { - of_trait: Some(trait_ref), + of_trait: Some(of_trait), .. }) = &item.kind - && let Some(trait_id) = trait_ref.trait_def_id() + && let Some(trait_id) = of_trait.trait_ref.trait_def_id() { cx.tcx.is_diagnostic_item(sym::Debug, trait_id) } else { diff --git a/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs b/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs index 0312bf56e59..24e017f7cf7 100644 --- a/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs +++ b/src/tools/clippy/clippy_utils/src/ast_utils/mod.rs @@ -473,33 +473,27 @@ pub fn eq_item_kind(l: &ItemKind, r: &ItemKind) -> bool { eq_id(*li, *ri) && eq_generics(lg, rg) && over(lb, rb, eq_generic_bound) }, ( - Impl(box ast::Impl { - safety: lu, - polarity: lp, - defaultness: ld, - constness: lc, + Impl(ast::Impl { generics: lg, of_trait: lot, self_ty: lst, items: li, }), - Impl(box ast::Impl { - safety: ru, - polarity: rp, - defaultness: rd, - constness: rc, + Impl(ast::Impl { generics: rg, of_trait: rot, self_ty: rst, items: ri, }), ) => { - matches!(lu, Safety::Default) == matches!(ru, Safety::Default) - && matches!(lp, ImplPolarity::Positive) == matches!(rp, ImplPolarity::Positive) - && eq_defaultness(*ld, *rd) - && matches!(lc, ast::Const::No) == matches!(rc, ast::Const::No) - && eq_generics(lg, rg) - && both(lot.as_ref(), rot.as_ref(), |l, r| eq_path(&l.path, &r.path)) + eq_generics(lg, rg) + && both(lot.as_deref(), rot.as_deref(), |l, r| { + matches!(l.safety, Safety::Default) == matches!(r.safety, Safety::Default) + && matches!(l.polarity, ImplPolarity::Positive) == matches!(r.polarity, ImplPolarity::Positive) + && eq_defaultness(l.defaultness, r.defaultness) + && matches!(l.constness, ast::Const::No) == matches!(r.constness, ast::Const::No) + && eq_path(&l.trait_ref.path, &r.trait_ref.path) + }) && eq_ty(lst, rst) && over(li, ri, |l, r| eq_item(l, r, eq_assoc_item_kind)) }, diff --git a/src/tools/clippy/clippy_utils/src/check_proc_macro.rs b/src/tools/clippy/clippy_utils/src/check_proc_macro.rs index dc31ed08fb7..e0c1b9d445a 100644 --- a/src/tools/clippy/clippy_utils/src/check_proc_macro.rs +++ b/src/tools/clippy/clippy_utils/src/check_proc_macro.rs @@ -19,8 +19,8 @@ use rustc_ast::token::CommentKind; use rustc_hir::intravisit::FnKind; use rustc_hir::{ Block, BlockCheckMode, Body, Closure, Destination, Expr, ExprKind, FieldDef, FnHeader, FnRetTy, HirId, Impl, - ImplItem, ImplItemKind, IsAuto, Item, ItemKind, Lit, LoopSource, MatchSource, MutTy, Node, Path, QPath, Safety, - TraitItem, TraitItemKind, Ty, TyKind, UnOp, UnsafeSource, Variant, VariantData, YieldSource, + ImplItem, ImplItemKind, TraitImplHeader, IsAuto, Item, ItemKind, Lit, LoopSource, MatchSource, MutTy, Node, Path, + QPath, Safety, TraitItem, TraitItemKind, Ty, TyKind, UnOp, UnsafeSource, Variant, VariantData, YieldSource, }; use rustc_lint::{EarlyContext, LateContext, LintContext}; use rustc_middle::ty::TyCtxt; @@ -254,7 +254,7 @@ fn item_search_pat(item: &Item<'_>) -> (Pat, Pat) { ItemKind::Union(..) => (Pat::Str("union"), Pat::Str("}")), ItemKind::Trait(_, _, Safety::Unsafe, ..) | ItemKind::Impl(Impl { - safety: Safety::Unsafe, .. + of_trait: Some(TraitImplHeader { safety: Safety::Unsafe, .. }), .. }) => (Pat::Str("unsafe"), Pat::Str("}")), ItemKind::Trait(_, IsAuto::Yes, ..) => (Pat::Str("auto"), Pat::Str("}")), ItemKind::Trait(..) => (Pat::Str("trait"), Pat::Str("}")), diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index fc716d86fc6..fcc120656e3 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -528,8 +528,9 @@ pub fn path_def_id<'tcx>(cx: &LateContext<'_>, maybe_path: &impl MaybePath<'tcx> pub fn trait_ref_of_method<'tcx>(cx: &LateContext<'tcx>, owner: OwnerId) -> Option<&'tcx TraitRef<'tcx>> { if let Node::Item(item) = cx.tcx.hir_node(cx.tcx.hir_owner_parent(owner)) && let ItemKind::Impl(impl_) = &item.kind + && let Some(of_trait) = impl_.of_trait { - return impl_.of_trait.as_ref(); + return Some(&of_trait.trait_ref); } None } diff --git a/src/tools/clippy/clippy_utils/src/visitors.rs b/src/tools/clippy/clippy_utils/src/visitors.rs index ba5cbc73836..c9f5401ebe7 100644 --- a/src/tools/clippy/clippy_utils/src/visitors.rs +++ b/src/tools/clippy/clippy_utils/src/visitors.rs @@ -460,7 +460,8 @@ pub fn is_expr_unsafe<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> bool { } fn visit_nested_item(&mut self, id: ItemId) -> Self::Result { if let ItemKind::Impl(i) = &self.cx.tcx.hir_item(id).kind - && i.safety.is_unsafe() + && let Some(of_trait) = i.of_trait + && of_trait.safety.is_unsafe() { ControlFlow::Break(()) } else { diff --git a/src/tools/clippy/tests/missing-test-files.rs b/src/tools/clippy/tests/missing-test-files.rs index 565dcd73f58..63f960c92fa 100644 --- a/src/tools/clippy/tests/missing-test-files.rs +++ b/src/tools/clippy/tests/missing-test-files.rs @@ -1,6 +1,6 @@ #![warn(rust_2018_idioms, unused_lifetimes)] #![allow(clippy::assertions_on_constants)] -#![feature(path_file_prefix)] +#![cfg_attr(bootstrap, feature(path_file_prefix))] use std::cmp::Ordering; use std::ffi::OsStr; diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.fixed b/src/tools/clippy/tests/ui/bool_assert_comparison.fixed index 721d8b2c2dc..ec76abbef05 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.fixed +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.fixed @@ -1,7 +1,7 @@ #![allow(unused, clippy::assertions_on_constants, clippy::const_is_empty)] #![warn(clippy::bool_assert_comparison)] -use std::ops::Not; +use std::ops::{Add, Not}; macro_rules! a { () => { @@ -62,6 +62,14 @@ impl Not for ImplNotTraitWithBool { } } +impl Add for ImplNotTraitWithBool { + type Output = Self; + + fn add(self, other: Self) -> Self::Output { + self + } +} + #[derive(Debug)] struct NonCopy; @@ -94,7 +102,7 @@ fn main() { assert_eq!(a!(), "".is_empty()); assert_eq!("".is_empty(), b!()); assert_eq!(a, true); - assert!(b); + assert!(!!b); //~^ bool_assert_comparison assert_ne!("a".len(), 1); @@ -122,7 +130,7 @@ fn main() { debug_assert_eq!(a!(), "".is_empty()); debug_assert_eq!("".is_empty(), b!()); debug_assert_eq!(a, true); - debug_assert!(b); + debug_assert!(!!b); //~^ bool_assert_comparison debug_assert_ne!("a".len(), 1); @@ -167,7 +175,7 @@ fn main() { use debug_assert_eq as renamed; renamed!(a, true); - debug_assert!(b); + debug_assert!(!!b); //~^ bool_assert_comparison let non_copy = NonCopy; @@ -199,4 +207,12 @@ fn main() { //~^ bool_assert_comparison debug_assert!(!"requires negation".is_empty()); //~^ bool_assert_comparison + assert!(!b); + //~^ bool_assert_comparison + assert!(!(!b)); + //~^ bool_assert_comparison + assert!(!!(b + b)); + //~^ bool_assert_comparison + assert!(!(b + b)); + //~^ bool_assert_comparison } diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.rs b/src/tools/clippy/tests/ui/bool_assert_comparison.rs index 5ab4f475b06..40824a23c82 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.rs +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.rs @@ -1,7 +1,7 @@ #![allow(unused, clippy::assertions_on_constants, clippy::const_is_empty)] #![warn(clippy::bool_assert_comparison)] -use std::ops::Not; +use std::ops::{Add, Not}; macro_rules! a { () => { @@ -62,6 +62,14 @@ impl Not for ImplNotTraitWithBool { } } +impl Add for ImplNotTraitWithBool { + type Output = Self; + + fn add(self, other: Self) -> Self::Output { + self + } +} + #[derive(Debug)] struct NonCopy; @@ -199,4 +207,12 @@ fn main() { //~^ bool_assert_comparison debug_assert_eq!("requires negation".is_empty(), false); //~^ bool_assert_comparison + assert_eq!(!b, true); + //~^ bool_assert_comparison + assert_eq!(!b, false); + //~^ bool_assert_comparison + assert_eq!(b + b, true); + //~^ bool_assert_comparison + assert_eq!(b + b, false); + //~^ bool_assert_comparison } diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.stderr b/src/tools/clippy/tests/ui/bool_assert_comparison.stderr index a1d0af54361..f823f08f31d 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.stderr +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.stderr @@ -1,5 +1,5 @@ error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:87:5 + --> tests/ui/bool_assert_comparison.rs:95:5 | LL | assert_eq!("a".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -13,7 +13,7 @@ LL + assert!(!"a".is_empty()); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:89:5 + --> tests/ui/bool_assert_comparison.rs:97:5 | LL | assert_eq!("".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -25,7 +25,7 @@ LL + assert!("".is_empty()); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:91:5 + --> tests/ui/bool_assert_comparison.rs:99:5 | LL | assert_eq!(true, "".is_empty()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -37,7 +37,7 @@ LL + assert!("".is_empty()); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:97:5 + --> tests/ui/bool_assert_comparison.rs:105:5 | LL | assert_eq!(b, true); | ^^^^^^^^^^^^^^^^^^^ @@ -45,11 +45,11 @@ LL | assert_eq!(b, true); help: replace it with `assert!(..)` | LL - assert_eq!(b, true); -LL + assert!(b); +LL + assert!(!!b); | error: used `assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:101:5 + --> tests/ui/bool_assert_comparison.rs:109:5 | LL | assert_ne!("a".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -61,7 +61,7 @@ LL + assert!("a".is_empty()); | error: used `assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:103:5 + --> tests/ui/bool_assert_comparison.rs:111:5 | LL | assert_ne!("".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -73,7 +73,7 @@ LL + assert!(!"".is_empty()); | error: used `assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:105:5 + --> tests/ui/bool_assert_comparison.rs:113:5 | LL | assert_ne!(true, "".is_empty()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -85,7 +85,7 @@ LL + assert!(!"".is_empty()); | error: used `assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:111:5 + --> tests/ui/bool_assert_comparison.rs:119:5 | LL | assert_ne!(b, true); | ^^^^^^^^^^^^^^^^^^^ @@ -97,7 +97,7 @@ LL + assert!(!b); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:115:5 + --> tests/ui/bool_assert_comparison.rs:123:5 | LL | debug_assert_eq!("a".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -109,7 +109,7 @@ LL + debug_assert!(!"a".is_empty()); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:117:5 + --> tests/ui/bool_assert_comparison.rs:125:5 | LL | debug_assert_eq!("".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -121,7 +121,7 @@ LL + debug_assert!("".is_empty()); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:119:5 + --> tests/ui/bool_assert_comparison.rs:127:5 | LL | debug_assert_eq!(true, "".is_empty()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -133,7 +133,7 @@ LL + debug_assert!("".is_empty()); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:125:5 + --> tests/ui/bool_assert_comparison.rs:133:5 | LL | debug_assert_eq!(b, true); | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -141,11 +141,11 @@ LL | debug_assert_eq!(b, true); help: replace it with `debug_assert!(..)` | LL - debug_assert_eq!(b, true); -LL + debug_assert!(b); +LL + debug_assert!(!!b); | error: used `debug_assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:129:5 + --> tests/ui/bool_assert_comparison.rs:137:5 | LL | debug_assert_ne!("a".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -157,7 +157,7 @@ LL + debug_assert!("a".is_empty()); | error: used `debug_assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:131:5 + --> tests/ui/bool_assert_comparison.rs:139:5 | LL | debug_assert_ne!("".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -169,7 +169,7 @@ LL + debug_assert!(!"".is_empty()); | error: used `debug_assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:133:5 + --> tests/ui/bool_assert_comparison.rs:141:5 | LL | debug_assert_ne!(true, "".is_empty()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -181,7 +181,7 @@ LL + debug_assert!(!"".is_empty()); | error: used `debug_assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:139:5 + --> tests/ui/bool_assert_comparison.rs:147:5 | LL | debug_assert_ne!(b, true); | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -193,7 +193,7 @@ LL + debug_assert!(!b); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:145:5 + --> tests/ui/bool_assert_comparison.rs:153:5 | LL | assert_eq!("a".is_empty(), false, "tadam {}", 1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -205,7 +205,7 @@ LL + assert!(!"a".is_empty(), "tadam {}", 1); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:147:5 + --> tests/ui/bool_assert_comparison.rs:155:5 | LL | assert_eq!("a".is_empty(), false, "tadam {}", true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -217,7 +217,7 @@ LL + assert!(!"a".is_empty(), "tadam {}", true); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:149:5 + --> tests/ui/bool_assert_comparison.rs:157:5 | LL | assert_eq!(false, "a".is_empty(), "tadam {}", true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -229,7 +229,7 @@ LL + assert!(!"a".is_empty(), "tadam {}", true); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:155:5 + --> tests/ui/bool_assert_comparison.rs:163:5 | LL | debug_assert_eq!("a".is_empty(), false, "tadam {}", 1); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -241,7 +241,7 @@ LL + debug_assert!(!"a".is_empty(), "tadam {}", 1); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:157:5 + --> tests/ui/bool_assert_comparison.rs:165:5 | LL | debug_assert_eq!("a".is_empty(), false, "tadam {}", true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -253,7 +253,7 @@ LL + debug_assert!(!"a".is_empty(), "tadam {}", true); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:159:5 + --> tests/ui/bool_assert_comparison.rs:167:5 | LL | debug_assert_eq!(false, "a".is_empty(), "tadam {}", true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -265,31 +265,35 @@ LL + debug_assert!(!"a".is_empty(), "tadam {}", true); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:163:5 + --> tests/ui/bool_assert_comparison.rs:171:5 | LL | assert_eq!(a!(), true); | ^^^^^^^^^^^^^^^^^^^^^^ | help: replace it with `assert!(..)` | -LL - assert_eq!(a!(), true); -LL + assert!(a!()); +LL | true +... +LL | +LL ~ assert!(a!()); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:165:5 + --> tests/ui/bool_assert_comparison.rs:173:5 | LL | assert_eq!(true, b!()); | ^^^^^^^^^^^^^^^^^^^^^^ | help: replace it with `assert!(..)` | -LL - assert_eq!(true, b!()); -LL + assert!(b!()); +LL | true +... +LL | +LL ~ assert!(b!()); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:170:5 + --> tests/ui/bool_assert_comparison.rs:178:5 | LL | renamed!(b, true); | ^^^^^^^^^^^^^^^^^ @@ -297,11 +301,11 @@ LL | renamed!(b, true); help: replace it with `debug_assert!(..)` | LL - renamed!(b, true); -LL + debug_assert!(b); +LL + debug_assert!(!!b); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:185:5 + --> tests/ui/bool_assert_comparison.rs:193:5 | LL | assert_eq!("".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -313,7 +317,7 @@ LL + assert!("".is_empty()); | error: used `assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:187:5 + --> tests/ui/bool_assert_comparison.rs:195:5 | LL | assert_ne!("".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -325,7 +329,7 @@ LL + assert!("".is_empty()); | error: used `assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:189:5 + --> tests/ui/bool_assert_comparison.rs:197:5 | LL | assert_ne!("requires negation".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -337,7 +341,7 @@ LL + assert!(!"requires negation".is_empty()); | error: used `assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:191:5 + --> tests/ui/bool_assert_comparison.rs:199:5 | LL | assert_eq!("requires negation".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -349,7 +353,7 @@ LL + assert!(!"requires negation".is_empty()); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:194:5 + --> tests/ui/bool_assert_comparison.rs:202:5 | LL | debug_assert_eq!("".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -361,7 +365,7 @@ LL + debug_assert!("".is_empty()); | error: used `debug_assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:196:5 + --> tests/ui/bool_assert_comparison.rs:204:5 | LL | debug_assert_ne!("".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -373,7 +377,7 @@ LL + debug_assert!("".is_empty()); | error: used `debug_assert_ne!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:198:5 + --> tests/ui/bool_assert_comparison.rs:206:5 | LL | debug_assert_ne!("requires negation".is_empty(), true); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -385,7 +389,7 @@ LL + debug_assert!(!"requires negation".is_empty()); | error: used `debug_assert_eq!` with a literal bool - --> tests/ui/bool_assert_comparison.rs:200:5 + --> tests/ui/bool_assert_comparison.rs:208:5 | LL | debug_assert_eq!("requires negation".is_empty(), false); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -396,5 +400,53 @@ LL - debug_assert_eq!("requires negation".is_empty(), false); LL + debug_assert!(!"requires negation".is_empty()); | -error: aborting due to 33 previous errors +error: used `assert_eq!` with a literal bool + --> tests/ui/bool_assert_comparison.rs:210:5 + | +LL | assert_eq!(!b, true); + | ^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_eq!(!b, true); +LL + assert!(!b); + | + +error: used `assert_eq!` with a literal bool + --> tests/ui/bool_assert_comparison.rs:212:5 + | +LL | assert_eq!(!b, false); + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_eq!(!b, false); +LL + assert!(!(!b)); + | + +error: used `assert_eq!` with a literal bool + --> tests/ui/bool_assert_comparison.rs:214:5 + | +LL | assert_eq!(b + b, true); + | ^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_eq!(b + b, true); +LL + assert!(!!(b + b)); + | + +error: used `assert_eq!` with a literal bool + --> tests/ui/bool_assert_comparison.rs:216:5 + | +LL | assert_eq!(b + b, false); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_eq!(b + b, false); +LL + assert!(!(b + b)); + | + +error: aborting due to 37 previous errors diff --git a/src/tools/clippy/tests/ui/crashes/ice-96721.stderr b/src/tools/clippy/tests/ui/crashes/ice-96721.stderr index f0778a4b32b..23f7300178e 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-96721.stderr +++ b/src/tools/clippy/tests/ui/crashes/ice-96721.stderr @@ -3,6 +3,8 @@ error: malformed `path` attribute input | LL | #[path = foo!()] | ^^^^^^^^^^^^^^^^ help: must be of the form: `#[path = "file"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/modules.html#the-path-attribute> error: aborting due to 1 previous error diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index ae1b25f8857..d9e374c414c 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -279,7 +279,7 @@ impl rustc_driver::Callbacks for MiriBeRustCompilerCalls { return None; } let codegen_fn_attrs = tcx.codegen_fn_attrs(local_def_id); - if codegen_fn_attrs.contains_extern_indicator() + if codegen_fn_attrs.contains_extern_indicator(tcx, local_def_id.into()) || codegen_fn_attrs .flags .contains(CodegenFnAttrFlags::USED_COMPILER) diff --git a/src/tools/miri/src/borrow_tracker/mod.rs b/src/tools/miri/src/borrow_tracker/mod.rs index ec6c2c60ca9..89bd93edae1 100644 --- a/src/tools/miri/src/borrow_tracker/mod.rs +++ b/src/tools/miri/src/borrow_tracker/mod.rs @@ -260,7 +260,7 @@ impl GlobalStateInner { kind: MemoryKind, machine: &MiriMachine<'_>, ) -> AllocState { - let _span = enter_trace_span!(borrow_tracker::new_allocation, ?id, ?alloc_size, ?kind); + let _trace = enter_trace_span!(borrow_tracker::new_allocation, ?id, ?alloc_size, ?kind); match self.borrow_tracker_method { BorrowTrackerMethod::StackedBorrows => AllocState::StackedBorrows(Box::new(RefCell::new(Stacks::new_allocation( @@ -281,7 +281,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { kind: RetagKind, val: &ImmTy<'tcx>, ) -> InterpResult<'tcx, ImmTy<'tcx>> { - let _span = enter_trace_span!(borrow_tracker::retag_ptr_value, ?kind, ?val.layout); + let _trace = enter_trace_span!(borrow_tracker::retag_ptr_value, ?kind, ?val.layout); let this = self.eval_context_mut(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; match method { @@ -295,7 +295,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { kind: RetagKind, place: &PlaceTy<'tcx>, ) -> InterpResult<'tcx> { - let _span = enter_trace_span!(borrow_tracker::retag_place_contents, ?kind, ?place); + let _trace = enter_trace_span!(borrow_tracker::retag_place_contents, ?kind, ?place); let this = self.eval_context_mut(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; match method { @@ -305,7 +305,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } fn protect_place(&mut self, place: &MPlaceTy<'tcx>) -> InterpResult<'tcx, MPlaceTy<'tcx>> { - let _span = enter_trace_span!(borrow_tracker::protect_place, ?place); + let _trace = enter_trace_span!(borrow_tracker::protect_place, ?place); let this = self.eval_context_mut(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; match method { @@ -315,7 +315,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { } fn expose_tag(&self, alloc_id: AllocId, tag: BorTag) -> InterpResult<'tcx> { - let _span = + let _trace = enter_trace_span!(borrow_tracker::expose_tag, alloc_id = alloc_id.0, tag = tag.0); let this = self.eval_context_ref(); let method = this.machine.borrow_tracker.as_ref().unwrap().borrow().borrow_tracker_method; @@ -360,7 +360,7 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> { &self, frame: &Frame<'tcx, Provenance, FrameExtra<'tcx>>, ) -> InterpResult<'tcx> { - let _span = enter_trace_span!(borrow_tracker::on_stack_pop); + let _trace = enter_trace_span!(borrow_tracker::on_stack_pop); let this = self.eval_context_ref(); let borrow_tracker = this.machine.borrow_tracker.as_ref().unwrap(); // The body of this loop needs `borrow_tracker` immutably @@ -438,7 +438,7 @@ impl AllocState { range: AllocRange, machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { - let _span = enter_trace_span!(borrow_tracker::before_memory_read, alloc_id = alloc_id.0); + let _trace = enter_trace_span!(borrow_tracker::before_memory_read, alloc_id = alloc_id.0); match self { AllocState::StackedBorrows(sb) => sb.borrow_mut().before_memory_read(alloc_id, prov_extra, range, machine), @@ -460,7 +460,7 @@ impl AllocState { range: AllocRange, machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { - let _span = enter_trace_span!(borrow_tracker::before_memory_write, alloc_id = alloc_id.0); + let _trace = enter_trace_span!(borrow_tracker::before_memory_write, alloc_id = alloc_id.0); match self { AllocState::StackedBorrows(sb) => sb.get_mut().before_memory_write(alloc_id, prov_extra, range, machine), @@ -482,7 +482,7 @@ impl AllocState { size: Size, machine: &MiriMachine<'tcx>, ) -> InterpResult<'tcx> { - let _span = + let _trace = enter_trace_span!(borrow_tracker::before_memory_deallocation, alloc_id = alloc_id.0); match self { AllocState::StackedBorrows(sb) => @@ -493,7 +493,7 @@ impl AllocState { } pub fn remove_unreachable_tags(&self, tags: &FxHashSet<BorTag>) { - let _span = enter_trace_span!(borrow_tracker::remove_unreachable_tags); + let _trace = enter_trace_span!(borrow_tracker::remove_unreachable_tags); match self { AllocState::StackedBorrows(sb) => sb.borrow_mut().remove_unreachable_tags(tags), AllocState::TreeBorrows(tb) => tb.borrow_mut().remove_unreachable_tags(tags), @@ -508,7 +508,7 @@ impl AllocState { tag: BorTag, alloc_id: AllocId, // diagnostics ) -> InterpResult<'tcx> { - let _span = enter_trace_span!( + let _trace = enter_trace_span!( borrow_tracker::release_protector, alloc_id = alloc_id.0, tag = tag.0 @@ -523,7 +523,7 @@ impl AllocState { impl VisitProvenance for AllocState { fn visit_provenance(&self, visit: &mut VisitWith<'_>) { - let _span = enter_trace_span!(borrow_tracker::visit_provenance); + let _trace = enter_trace_span!(borrow_tracker::visit_provenance); match self { AllocState::StackedBorrows(sb) => sb.visit_provenance(visit), AllocState::TreeBorrows(tb) => tb.visit_provenance(visit), diff --git a/src/tools/miri/src/helpers.rs b/src/tools/miri/src/helpers.rs index 43cb1c9ae05..a8e2151afe6 100644 --- a/src/tools/miri/src/helpers.rs +++ b/src/tools/miri/src/helpers.rs @@ -132,7 +132,7 @@ pub fn iter_exported_symbols<'tcx>( for def_id in crate_items.definitions() { let exported = tcx.def_kind(def_id).has_codegen_attrs() && { let codegen_attrs = tcx.codegen_fn_attrs(def_id); - codegen_attrs.contains_extern_indicator() + codegen_attrs.contains_extern_indicator(tcx, def_id.into()) || codegen_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL) || codegen_attrs.flags.contains(CodegenFnAttrFlags::USED_COMPILER) || codegen_attrs.flags.contains(CodegenFnAttrFlags::USED_LINKER) diff --git a/src/tools/rustfmt/src/items.rs b/src/tools/rustfmt/src/items.rs index 57d4142ebe4..10df6f96702 100644 --- a/src/tools/rustfmt/src/items.rs +++ b/src/tools/rustfmt/src/items.rs @@ -958,20 +958,19 @@ fn format_impl_ref_and_type( offset: Indent, ) -> Option<String> { let ast::Impl { - safety, - polarity, - defaultness, - constness, - ref generics, - of_trait: ref trait_ref, - ref self_ty, - .. - } = *iimpl; + generics, + of_trait, + self_ty, + items: _, + } = iimpl; let mut result = String::with_capacity(128); result.push_str(&format_visibility(context, &item.vis)); - result.push_str(format_defaultness(defaultness)); - result.push_str(format_safety(safety)); + + if let Some(of_trait) = of_trait.as_deref() { + result.push_str(format_defaultness(of_trait.defaultness)); + result.push_str(format_safety(of_trait.safety)); + } let shape = if context.config.style_edition() >= StyleEdition::Edition2024 { Shape::indented(offset + last_line_width(&result), context.config) @@ -984,28 +983,24 @@ fn format_impl_ref_and_type( }; let generics_str = rewrite_generics(context, "impl", generics, shape).ok()?; result.push_str(&generics_str); - result.push_str(format_constness_right(constness)); - let polarity_str = match polarity { - ast::ImplPolarity::Negative(_) => "!", - ast::ImplPolarity::Positive => "", - }; - - let polarity_overhead; let trait_ref_overhead; - if let Some(ref trait_ref) = *trait_ref { + if let Some(of_trait) = of_trait.as_deref() { + result.push_str(format_constness_right(of_trait.constness)); + let polarity_str = match of_trait.polarity { + ast::ImplPolarity::Negative(_) => "!", + ast::ImplPolarity::Positive => "", + }; let result_len = last_line_width(&result); result.push_str(&rewrite_trait_ref( context, - trait_ref, + &of_trait.trait_ref, offset, polarity_str, result_len, )?); - polarity_overhead = 0; // already written trait_ref_overhead = " for".len(); } else { - polarity_overhead = polarity_str.len(); trait_ref_overhead = 0; } @@ -1020,17 +1015,15 @@ fn format_impl_ref_and_type( } else { 0 }; - let used_space = - last_line_width(&result) + polarity_overhead + trait_ref_overhead + curly_brace_overhead; + let used_space = last_line_width(&result) + trait_ref_overhead + curly_brace_overhead; // 1 = space before the type. let budget = context.budget(used_space + 1); if let Some(self_ty_str) = self_ty.rewrite(context, Shape::legacy(budget, offset)) { if !self_ty_str.contains('\n') { - if trait_ref.is_some() { + if of_trait.is_some() { result.push_str(" for "); } else { result.push(' '); - result.push_str(polarity_str); } result.push_str(&self_ty_str); return Some(result); @@ -1042,12 +1035,10 @@ fn format_impl_ref_and_type( // Add indentation of one additional tab. let new_line_offset = offset.block_indent(context.config); result.push_str(&new_line_offset.to_string(context.config)); - if trait_ref.is_some() { + if of_trait.is_some() { result.push_str("for "); - } else { - result.push_str(polarity_str); } - let budget = context.budget(last_line_width(&result) + polarity_overhead); + let budget = context.budget(last_line_width(&result)); let type_offset = match context.config.indent_style() { IndentStyle::Visual => new_line_offset + trait_ref_overhead, IndentStyle::Block => new_line_offset, diff --git a/src/tools/rustfmt/tests/source/negative-impl.rs b/src/tools/rustfmt/tests/source/negative-impl.rs index da242d4f3dc..e8f9508e656 100644 --- a/src/tools/rustfmt/tests/source/negative-impl.rs +++ b/src/tools/rustfmt/tests/source/negative-impl.rs @@ -1,7 +1,3 @@ impl ! Display for JoinHandle { } -impl ! Box < JoinHandle > { } - impl ! std :: fmt :: Display for JoinHandle < T : std :: future :: Future + std :: marker :: Send + std :: marker :: Sync > { } - -impl ! JoinHandle < T : std :: future :: Future < Output > + std :: marker :: Send + std :: marker :: Sync + 'static > + 'static { } diff --git a/src/tools/rustfmt/tests/target/negative-impl.rs b/src/tools/rustfmt/tests/target/negative-impl.rs index 16ce7e26a99..bb53048dbc6 100644 --- a/src/tools/rustfmt/tests/target/negative-impl.rs +++ b/src/tools/rustfmt/tests/target/negative-impl.rs @@ -1,14 +1,6 @@ impl !Display for JoinHandle {} -impl !Box<JoinHandle> {} - impl !std::fmt::Display for JoinHandle<T: std::future::Future + std::marker::Send + std::marker::Sync> { } - -impl - !JoinHandle<T: std::future::Future<Output> + std::marker::Send + std::marker::Sync + 'static> - + 'static -{ -} diff --git a/tests/run-make/link-under-xcode/foo.rs b/tests/run-make/link-under-xcode/foo.rs new file mode 100644 index 00000000000..f328e4d9d04 --- /dev/null +++ b/tests/run-make/link-under-xcode/foo.rs @@ -0,0 +1 @@ +fn main() {} diff --git a/tests/run-make/link-under-xcode/rmake.rs b/tests/run-make/link-under-xcode/rmake.rs new file mode 100644 index 00000000000..c9394feb000 --- /dev/null +++ b/tests/run-make/link-under-xcode/rmake.rs @@ -0,0 +1,32 @@ +//! Test that linking works under an environment similar to what Xcode sets up. +//! +//! Regression test for https://github.com/rust-lang/rust/issues/80817. + +//@ only-apple + +use run_make_support::{cmd, rustc, target}; + +fn main() { + // Fetch toolchain `/usr/bin` directory. Usually: + // /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin + let clang_bin = cmd("xcrun").arg("--find").arg("clang").run().stdout_utf8(); + let toolchain_bin = clang_bin.trim().strip_suffix("/clang").unwrap(); + + // Put toolchain directory at the front of PATH. + let path = format!("{}:{}", toolchain_bin, std::env::var("PATH").unwrap()); + + // Check that compiling and linking still works. + // + // Removing `SDKROOT` is necessary for the test to excercise what we want, since bootstrap runs + // under `/usr/bin/python3`, which will set SDKROOT for us. + rustc().target(target()).env_remove("SDKROOT").env("PATH", &path).input("foo.rs").run(); + + // Also check linking directly with the system linker. + rustc() + .target(target()) + .env_remove("SDKROOT") + .env("PATH", &path) + .input("foo.rs") + .arg("-Clinker-flavor=ld") + .run(); +} diff --git a/tests/run-make/wasm-panic-small/rmake.rs b/tests/run-make/wasm-panic-small/rmake.rs index e69fbac9635..ea0b6faf037 100644 --- a/tests/run-make/wasm-panic-small/rmake.rs +++ b/tests/run-make/wasm-panic-small/rmake.rs @@ -24,5 +24,5 @@ fn test(cfg: &str) { let bytes = rfs::read("foo.wasm"); println!("{}", bytes.len()); - assert!(bytes.len() < 40_000); + assert!(bytes.len() < 40_000, "bytes len was: {}", bytes.len()); } diff --git a/tests/rustdoc-ui/intra-doc/github-flavored-admonitions.rs b/tests/rustdoc-ui/intra-doc/github-flavored-admonitions.rs new file mode 100644 index 00000000000..d5fa72eb993 --- /dev/null +++ b/tests/rustdoc-ui/intra-doc/github-flavored-admonitions.rs @@ -0,0 +1,6 @@ +// regression test for https://github.com/rust-lang/rust/issues/141866 +//@ check-pass +#![deny(rustdoc::broken_intra_doc_links)] + +//! > [!NOTE] +//! > This should not cause any warnings diff --git a/tests/rustdoc/enum/enum-variant-value.rs b/tests/rustdoc/enum/enum-variant-value.rs index 1670de8a24f..9cc85dfe10d 100644 --- a/tests/rustdoc/enum/enum-variant-value.rs +++ b/tests/rustdoc/enum/enum-variant-value.rs @@ -189,3 +189,25 @@ pub use bar::P; //@ has - '//*[@id="variant.A"]/h3' 'A(u32)' //@ matches - '//*[@id="variant.B"]/h3' '^B$' pub use bar::Q; + +// Ensure signed implicit discriminants are rendered correctly after a negative explicit value. +//@ has 'foo/enum.R.html' +//@ has - '//*[@class="rust item-decl"]/code' 'A = -2,' +//@ has - '//*[@class="rust item-decl"]/code' 'B = -1,' +//@ matches - '//*[@id="variant.A"]/h3' '^A = -2$' +//@ matches - '//*[@id="variant.B"]/h3' '^B = -1$' +pub enum R { + A = -2, + B, +} + +// Also check that incrementing -1 yields 0 for the next implicit variant. +//@ has 'foo/enum.S.html' +//@ has - '//*[@class="rust item-decl"]/code' 'A = -1,' +//@ has - '//*[@class="rust item-decl"]/code' 'B = 0,' +//@ matches - '//*[@id="variant.A"]/h3' '^A = -1$' +//@ matches - '//*[@id="variant.B"]/h3' '^B = 0$' +pub enum S { + A = -1, + B, +} diff --git a/tests/ui/attributes/crate-name-macro-call.stderr b/tests/ui/attributes/crate-name-macro-call.stderr index ab562b41a31..56827aa11a4 100644 --- a/tests/ui/attributes/crate-name-macro-call.stderr +++ b/tests/ui/attributes/crate-name-macro-call.stderr @@ -3,6 +3,8 @@ error: malformed `crate_name` attribute input | LL | #![crate_name = concat!("my", "crate")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![crate_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/attributes/crate-type-delimited.stderr b/tests/ui/attributes/crate-type-delimited.stderr index 0bbbe07b198..7f080f74838 100644 --- a/tests/ui/attributes/crate-type-delimited.stderr +++ b/tests/ui/attributes/crate-type-delimited.stderr @@ -2,7 +2,24 @@ error: malformed `crate_type` attribute input --> $DIR/crate-type-delimited.rs:2:1 | LL | #![crate_type(lib)] - | ^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![crate_type = "bin|lib|..."]` + | ^^^^^^^^^^^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html> +help: the following are the possible correct uses + | +LL - #![crate_type(lib)] +LL + #![crate_type = "bin"] + | +LL - #![crate_type(lib)] +LL + #![crate_type = "cdylib"] + | +LL - #![crate_type(lib)] +LL + #![crate_type = "dylib"] + | +LL - #![crate_type(lib)] +LL + #![crate_type = "lib"] + | + = and 4 other candidates error: aborting due to 1 previous error diff --git a/tests/ui/attributes/crate-type-empty.stderr b/tests/ui/attributes/crate-type-empty.stderr index b9279d961ee..f50bb33d6bb 100644 --- a/tests/ui/attributes/crate-type-empty.stderr +++ b/tests/ui/attributes/crate-type-empty.stderr @@ -2,7 +2,20 @@ error: malformed `crate_type` attribute input --> $DIR/crate-type-empty.rs:2:1 | LL | #![crate_type] - | ^^^^^^^^^^^^^^ help: must be of the form: `#![crate_type = "bin|lib|..."]` + | ^^^^^^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html> +help: the following are the possible correct uses + | +LL | #![crate_type = "bin"] + | +++++++ +LL | #![crate_type = "cdylib"] + | ++++++++++ +LL | #![crate_type = "dylib"] + | +++++++++ +LL | #![crate_type = "lib"] + | +++++++ + = and 4 other candidates error: aborting due to 1 previous error diff --git a/tests/ui/attributes/crate-type-macro-call.stderr b/tests/ui/attributes/crate-type-macro-call.stderr index 6ccc3edf885..97938f7af24 100644 --- a/tests/ui/attributes/crate-type-macro-call.stderr +++ b/tests/ui/attributes/crate-type-macro-call.stderr @@ -2,7 +2,24 @@ error: malformed `crate_type` attribute input --> $DIR/crate-type-macro-call.rs:1:1 | LL | #![crate_type = foo!()] - | ^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![crate_type = "bin|lib|..."]` + | ^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html> +help: the following are the possible correct uses + | +LL - #![crate_type = foo!()] +LL + #![crate_type = "bin"] + | +LL - #![crate_type = foo!()] +LL + #![crate_type = "cdylib"] + | +LL - #![crate_type = foo!()] +LL + #![crate_type = "dylib"] + | +LL - #![crate_type = foo!()] +LL + #![crate_type = "lib"] + | + = and 4 other candidates error: aborting due to 1 previous error diff --git a/tests/ui/attributes/invalid-macro-use.rs b/tests/ui/attributes/invalid-macro-use.rs index cfb13fd183c..52e4608303f 100644 --- a/tests/ui/attributes/invalid-macro-use.rs +++ b/tests/ui/attributes/invalid-macro-use.rs @@ -8,21 +8,25 @@ extern crate std as s1; #[macro_use(5)] //~^ ERROR malformed `macro_use` attribute input //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit extern crate std as s2; #[macro_use(a = "b")] //~^ ERROR malformed `macro_use` attribute input //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit extern crate std as s3; #[macro_use(a(b))] //~^ ERROR malformed `macro_use` attribute input //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit extern crate std as s4; #[macro_use(a::b)] //~^ ERROR malformed `macro_use` attribute input //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit extern crate std as s5; #[macro_use(a)] diff --git a/tests/ui/attributes/invalid-macro-use.stderr b/tests/ui/attributes/invalid-macro-use.stderr index 4f5db5c558a..ff3ed6196d3 100644 --- a/tests/ui/attributes/invalid-macro-use.stderr +++ b/tests/ui/attributes/invalid-macro-use.stderr @@ -1,11 +1,11 @@ error[E0469]: imported macro not found - --> $DIR/invalid-macro-use.rs:47:13 + --> $DIR/invalid-macro-use.rs:51:13 | LL | #[macro_use(a)] | ^ error[E0469]: imported macro not found - --> $DIR/invalid-macro-use.rs:49:13 + --> $DIR/invalid-macro-use.rs:53:13 | LL | #[macro_use(b)] | ^ @@ -24,6 +24,7 @@ LL | #[macro_use(5)] | | | expected a valid identifier here | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[macro_use(5)] @@ -34,13 +35,14 @@ LL + #[macro_use] | error[E0565]: malformed `macro_use` attribute input - --> $DIR/invalid-macro-use.rs:13:1 + --> $DIR/invalid-macro-use.rs:14:1 | LL | #[macro_use(a = "b")] | ^^^^^^^^^^^^^^-----^^ | | | didn't expect any arguments here | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[macro_use(a = "b")] @@ -51,13 +53,14 @@ LL + #[macro_use] | error[E0565]: malformed `macro_use` attribute input - --> $DIR/invalid-macro-use.rs:18:1 + --> $DIR/invalid-macro-use.rs:20:1 | LL | #[macro_use(a(b))] | ^^^^^^^^^^^^^---^^ | | | didn't expect any arguments here | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[macro_use(a(b))] @@ -68,13 +71,14 @@ LL + #[macro_use] | error[E0539]: malformed `macro_use` attribute input - --> $DIR/invalid-macro-use.rs:23:1 + --> $DIR/invalid-macro-use.rs:26:1 | LL | #[macro_use(a::b)] | ^^^^^^^^^^^^----^^ | | | expected a valid identifier here | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[macro_use(a::b)] @@ -85,13 +89,13 @@ LL + #[macro_use] | error: unused attribute - --> $DIR/invalid-macro-use.rs:28:1 + --> $DIR/invalid-macro-use.rs:32:1 | LL | #[macro_use(a)] | ^^^^^^^^^^^^^^^ help: remove this attribute | note: attribute also specified here - --> $DIR/invalid-macro-use.rs:30:1 + --> $DIR/invalid-macro-use.rs:34:1 | LL | #[macro_use] | ^^^^^^^^^^^^ @@ -102,25 +106,25 @@ LL | #![deny(unused_attributes)] | ^^^^^^^^^^^^^^^^^ error: unused attribute - --> $DIR/invalid-macro-use.rs:36:1 + --> $DIR/invalid-macro-use.rs:40:1 | LL | #[macro_use(a)] | ^^^^^^^^^^^^^^^ help: remove this attribute | note: attribute also specified here - --> $DIR/invalid-macro-use.rs:34:1 + --> $DIR/invalid-macro-use.rs:38:1 | LL | #[macro_use] | ^^^^^^^^^^^^ error: unused attribute - --> $DIR/invalid-macro-use.rs:42:1 + --> $DIR/invalid-macro-use.rs:46:1 | LL | #[macro_use] | ^^^^^^^^^^^^ help: remove this attribute | note: attribute also specified here - --> $DIR/invalid-macro-use.rs:40:1 + --> $DIR/invalid-macro-use.rs:44:1 | LL | #[macro_use] | ^^^^^^^^^^^^ diff --git a/tests/ui/attributes/invalid-reprs.stderr b/tests/ui/attributes/invalid-reprs.stderr index 415b969b244..72aaff92bd0 100644 --- a/tests/ui/attributes/invalid-reprs.stderr +++ b/tests/ui/attributes/invalid-reprs.stderr @@ -26,6 +26,7 @@ LL | let y = #[repr(uwu(4))] | ^^^^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error: aborting due to 3 previous errors diff --git a/tests/ui/attributes/lint_on_root.rs b/tests/ui/attributes/lint_on_root.rs index 93d47bf0d71..9029da7dc97 100644 --- a/tests/ui/attributes/lint_on_root.rs +++ b/tests/ui/attributes/lint_on_root.rs @@ -1,7 +1,7 @@ // NOTE: this used to panic in debug builds (by a sanity assertion) // and not emit any lint on release builds. See https://github.com/rust-lang/rust/issues/142891. #![inline = ""] -//~^ ERROR valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +//~^ ERROR: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` [ill_formed_attribute_input] //~| WARN this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! fn main() {} diff --git a/tests/ui/attributes/lint_on_root.stderr b/tests/ui/attributes/lint_on_root.stderr index aa0645b6194..91b72730530 100644 --- a/tests/ui/attributes/lint_on_root.stderr +++ b/tests/ui/attributes/lint_on_root.stderr @@ -1,4 +1,4 @@ -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/lint_on_root.rs:3:1 | LL | #![inline = ""] @@ -11,7 +11,7 @@ LL | #![inline = ""] error: aborting due to 1 previous error Future incompatibility report: Future breakage diagnostic: -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/lint_on_root.rs:3:1 | LL | #![inline = ""] diff --git a/tests/ui/attributes/malformed-attrs.rs b/tests/ui/attributes/malformed-attrs.rs index 0d5bf69d548..3261b29fe7e 100644 --- a/tests/ui/attributes/malformed-attrs.rs +++ b/tests/ui/attributes/malformed-attrs.rs @@ -78,7 +78,7 @@ #[export_stable = 1] //~^ ERROR malformed #[link] -//~^ ERROR attribute must be of the form +//~^ ERROR valid forms for the attribute are //~| WARN this was previously accepted by the compiler #[link_name] //~^ ERROR malformed diff --git a/tests/ui/attributes/malformed-attrs.stderr b/tests/ui/attributes/malformed-attrs.stderr index dd9dd3a6ce7..705050e9a7d 100644 --- a/tests/ui/attributes/malformed-attrs.stderr +++ b/tests/ui/attributes/malformed-attrs.stderr @@ -6,6 +6,8 @@ LL | #[cfg] | | | expected this to be a list | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error: malformed `cfg_attr` attribute input --> $DIR/malformed-attrs.rs:101:1 @@ -29,13 +31,23 @@ error: malformed `windows_subsystem` attribute input --> $DIR/malformed-attrs.rs:26:1 | LL | #![windows_subsystem] - | ^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![windows_subsystem = "windows|console"]` + | ^^^^^^^^^^^^^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/runtime.html#the-windows_subsystem-attribute> +help: the following are the possible correct uses + | +LL | #![windows_subsystem = "console"] + | +++++++++++ +LL | #![windows_subsystem = "windows"] + | +++++++++++ error: malformed `crate_name` attribute input --> $DIR/malformed-attrs.rs:71:1 | LL | #[crate_name] | ^^^^^^^^^^^^^ help: must be of the form: `#[crate_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute> error: malformed `no_sanitize` attribute input --> $DIR/malformed-attrs.rs:89:1 @@ -48,6 +60,8 @@ error: malformed `instruction_set` attribute input | LL | #[instruction_set] | ^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[instruction_set(set)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-instruction_set-attribute> error: malformed `patchable_function_entry` attribute input --> $DIR/malformed-attrs.rs:105:1 @@ -80,43 +94,108 @@ error: malformed `linkage` attribute input --> $DIR/malformed-attrs.rs:170:5 | LL | #[linkage] - | ^^^^^^^^^^ help: must be of the form: `#[linkage = "external|internal|..."]` + | ^^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/linkage.html> +help: the following are the possible correct uses + | +LL | #[linkage = "available_externally"] + | ++++++++++++++++++++++++ +LL | #[linkage = "common"] + | ++++++++++ +LL | #[linkage = "extern_weak"] + | +++++++++++++++ +LL | #[linkage = "external"] + | ++++++++++++ + = and 5 other candidates error: malformed `allow` attribute input --> $DIR/malformed-attrs.rs:175:1 | LL | #[allow] - | ^^^^^^^^ help: must be of the form: `#[allow(lint1, lint2, ..., /*opt*/ reason = "...")]` + | ^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes> +help: the following are the possible correct uses + | +LL | #[allow(lint1)] + | +++++++ +LL | #[allow(lint1, lint2, ...)] + | +++++++++++++++++++ +LL | #[allow(lint1, lint2, lint3, reason = "...")] + | +++++++++++++++++++++++++++++++++++++ error: malformed `expect` attribute input --> $DIR/malformed-attrs.rs:177:1 | LL | #[expect] - | ^^^^^^^^^ help: must be of the form: `#[expect(lint1, lint2, ..., /*opt*/ reason = "...")]` + | ^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes> +help: the following are the possible correct uses + | +LL | #[expect(lint1)] + | +++++++ +LL | #[expect(lint1, lint2, ...)] + | +++++++++++++++++++ +LL | #[expect(lint1, lint2, lint3, reason = "...")] + | +++++++++++++++++++++++++++++++++++++ error: malformed `warn` attribute input --> $DIR/malformed-attrs.rs:179:1 | LL | #[warn] - | ^^^^^^^ help: must be of the form: `#[warn(lint1, lint2, ..., /*opt*/ reason = "...")]` + | ^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes> +help: the following are the possible correct uses + | +LL | #[warn(lint1)] + | +++++++ +LL | #[warn(lint1, lint2, ...)] + | +++++++++++++++++++ +LL | #[warn(lint1, lint2, lint3, reason = "...")] + | +++++++++++++++++++++++++++++++++++++ error: malformed `deny` attribute input --> $DIR/malformed-attrs.rs:181:1 | LL | #[deny] - | ^^^^^^^ help: must be of the form: `#[deny(lint1, lint2, ..., /*opt*/ reason = "...")]` + | ^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes> +help: the following are the possible correct uses + | +LL | #[deny(lint1)] + | +++++++ +LL | #[deny(lint1, lint2, ...)] + | +++++++++++++++++++ +LL | #[deny(lint1, lint2, lint3, reason = "...")] + | +++++++++++++++++++++++++++++++++++++ error: malformed `forbid` attribute input --> $DIR/malformed-attrs.rs:183:1 | LL | #[forbid] - | ^^^^^^^^^ help: must be of the form: `#[forbid(lint1, lint2, ..., /*opt*/ reason = "...")]` + | ^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes> +help: the following are the possible correct uses + | +LL | #[forbid(lint1)] + | +++++++ +LL | #[forbid(lint1, lint2, ...)] + | +++++++++++++++++++ +LL | #[forbid(lint1, lint2, lint3, reason = "...")] + | +++++++++++++++++++++++++++++++++++++ error: malformed `debugger_visualizer` attribute input --> $DIR/malformed-attrs.rs:185:1 | LL | #[debugger_visualizer] | ^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[debugger_visualizer(natvis_file = "...", gdb_script_file = "...")]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/debugger.html#the-debugger_visualizer-attribute> error: malformed `thread_local` attribute input --> $DIR/malformed-attrs.rs:200:1 @@ -129,6 +208,8 @@ error: malformed `no_link` attribute input | LL | #[no_link()] | ^^^^^^^^^^^^ help: must be of the form: `#[no_link]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/extern-crates.html#the-no_link-attribute> error: malformed `macro_export` attribute input --> $DIR/malformed-attrs.rs:211:1 @@ -136,6 +217,7 @@ error: malformed `macro_export` attribute input LL | #[macro_export = 18] | ^^^^^^^^^^^^^^^^^^^^ | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#path-based-scope> help: the following are the possible correct uses | LL - #[macro_export = 18] @@ -145,12 +227,6 @@ LL - #[macro_export = 18] LL + #[macro_export] | -error: malformed `allow_internal_unsafe` attribute input - --> $DIR/malformed-attrs.rs:213:1 - | -LL | #[allow_internal_unsafe = 1] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[allow_internal_unsafe]` - error: the `#[proc_macro]` attribute is only usable with crates of the `proc-macro` crate type --> $DIR/malformed-attrs.rs:96:1 | @@ -178,7 +254,7 @@ LL | #[allow_internal_unsafe = 1] = help: add `#![feature(allow_internal_unsafe)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden)]`, `#[doc(inline)]`, and `#[doc = "string"]` --> $DIR/malformed-attrs.rs:40:1 | LL | #[doc] @@ -186,9 +262,10 @@ LL | #[doc] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html> = note: `#[deny(ill_formed_attribute_input)]` on by default -error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden)]`, `#[doc(inline)]`, and `#[doc = "string"]` --> $DIR/malformed-attrs.rs:73:1 | LL | #[doc] @@ -196,8 +273,9 @@ LL | #[doc] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html> -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/malformed-attrs.rs:80:1 | LL | #[link] @@ -205,6 +283,7 @@ LL | #[link] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> error: invalid argument --> $DIR/malformed-attrs.rs:185:1 @@ -257,26 +336,49 @@ LL - #[deprecated = 5] LL + #[deprecated = "reason"] | LL - #[deprecated = 5] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] | LL - #[deprecated = 5] -LL + #[deprecated] +LL + #[deprecated(since = "version")] | +LL - #[deprecated = 5] +LL + #[deprecated(since = "version", note = "reason")] + | + = and 1 other candidate error[E0539]: malformed `rustc_macro_transparency` attribute input --> $DIR/malformed-attrs.rs:43:1 | LL | #[rustc_macro_transparency] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#[rustc_macro_transparency = "transparent|semitransparent|opaque"]` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: try changing it to one of the following valid forms of the attribute + | +LL | #[rustc_macro_transparency = "opaque"] + | ++++++++++ +LL | #[rustc_macro_transparency = "semitransparent"] + | +++++++++++++++++++ +LL | #[rustc_macro_transparency = "transparent"] + | +++++++++++++++ error[E0539]: malformed `repr` attribute input --> $DIR/malformed-attrs.rs:45:1 | LL | #[repr] - | ^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL | #[repr(<integer type>)] + | ++++++++++++++++ +LL | #[repr(C)] + | +++ +LL | #[repr(Rust)] + | ++++++ +LL | #[repr(align(...))] + | ++++++++++++ + = and 2 other candidates error[E0565]: malformed `rustc_as_ptr` attribute input --> $DIR/malformed-attrs.rs:48:1 @@ -300,10 +402,16 @@ error[E0539]: malformed `optimize` attribute input --> $DIR/malformed-attrs.rs:55:1 | LL | #[optimize] - | ^^^^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[optimize(size|speed|none)]` + | ^^^^^^^^^^^ expected this to be a list + | +help: try changing it to one of the following valid forms of the attribute + | +LL | #[optimize(none)] + | ++++++ +LL | #[optimize(size)] + | ++++++ +LL | #[optimize(speed)] + | +++++++ error[E0565]: malformed `cold` attribute input --> $DIR/malformed-attrs.rs:57:1 @@ -363,8 +471,10 @@ LL | #[used()] | help: try changing it to one of the following valid forms of the attribute | -LL | #[used(compiler|linker)] - | +++++++++++++++ +LL | #[used(compiler)] + | ++++++++ +LL | #[used(linker)] + | ++++++ LL - #[used()] LL + #[used] | @@ -392,12 +502,16 @@ error[E0539]: malformed `link_name` attribute input | LL | #[link_name] | ^^^^^^^^^^^^ help: must be of the form: `#[link_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_name-attribute> error[E0539]: malformed `link_section` attribute input --> $DIR/malformed-attrs.rs:85:1 | LL | #[link_section] | ^^^^^^^^^^^^^^^ help: must be of the form: `#[link_section = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/abi.html#the-link_section-attribute> error[E0539]: malformed `coverage` attribute input --> $DIR/malformed-attrs.rs:87:1 @@ -456,6 +570,7 @@ LL | #[must_use = 1] | | | expected a string literal here | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#the-must_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[must_use = 1] @@ -469,10 +584,15 @@ error[E0539]: malformed `proc_macro_derive` attribute input --> $DIR/malformed-attrs.rs:120:1 | LL | #[proc_macro_derive] - | ^^^^^^^^^^^^^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | ^^^^^^^^^^^^^^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL | #[proc_macro_derive(TraitName)] + | +++++++++++ +LL | #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | ++++++++++++++++++++++++++++++++++++++++++ error[E0539]: malformed `rustc_layout_scalar_valid_range_start` attribute input --> $DIR/malformed-attrs.rs:125:1 @@ -527,6 +647,8 @@ LL | #[link_ordinal] | | | expected this to be a list | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error[E0565]: malformed `ffi_const` attribute input --> $DIR/malformed-attrs.rs:168:5 @@ -561,6 +683,15 @@ error: valid forms for the attribute are `#[macro_use(name1, name2, ...)]` and ` LL | #[macro_use = 1] | ^^^^^^^^^^^^^^^^ +error[E0565]: malformed `allow_internal_unsafe` attribute input + --> $DIR/malformed-attrs.rs:213:1 + | +LL | #[allow_internal_unsafe = 1] + | ^^^^^^^^^^^^^^^^^^^^^^^^---^ + | | | + | | didn't expect any arguments here + | help: must be of the form: `#[allow_internal_unsafe]` + error[E0565]: malformed `type_const` attribute input --> $DIR/malformed-attrs.rs:140:5 | @@ -618,7 +749,7 @@ LL | #[diagnostic::on_unimplemented = 1] | = help: only `message`, `note` and `label` are allowed as options -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/malformed-attrs.rs:50:1 | LL | #[inline = 5] @@ -661,7 +792,7 @@ error: aborting due to 74 previous errors; 3 warnings emitted Some errors have detailed explanations: E0308, E0463, E0539, E0565, E0658, E0805. For more information about an error, try `rustc --explain E0308`. Future incompatibility report: Future breakage diagnostic: -error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden)]`, `#[doc(inline)]`, and `#[doc = "string"]` --> $DIR/malformed-attrs.rs:40:1 | LL | #[doc] @@ -669,10 +800,11 @@ LL | #[doc] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden)]`, `#[doc(inline)]`, and `#[doc = "string"]` --> $DIR/malformed-attrs.rs:73:1 | LL | #[doc] @@ -680,10 +812,11 @@ LL | #[doc] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/malformed-attrs.rs:80:1 | LL | #[link] @@ -691,10 +824,11 @@ LL | #[link] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/malformed-attrs.rs:50:1 | LL | #[inline = 5] diff --git a/tests/ui/attributes/malformed-reprs.stderr b/tests/ui/attributes/malformed-reprs.stderr index c39c98dde31..43085b9c341 100644 --- a/tests/ui/attributes/malformed-reprs.stderr +++ b/tests/ui/attributes/malformed-reprs.stderr @@ -2,10 +2,24 @@ error[E0539]: malformed `repr` attribute input --> $DIR/malformed-reprs.rs:4:1 | LL | #![repr] - | ^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL - #![repr] +LL + #[repr(<integer type>)] + | +LL - #![repr] +LL + #[repr(C)] + | +LL - #![repr] +LL + #[repr(Rust)] + | +LL - #![repr] +LL + #[repr(align(...))] + | + = and 2 other candidates error[E0589]: invalid `repr(align)` attribute: not a power of two --> $DIR/malformed-reprs.rs:9:14 diff --git a/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr b/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr index 884e7663c85..107e053ae0c 100644 --- a/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr +++ b/tests/ui/attributes/unsafe/proc-unsafe-attributes.stderr @@ -119,9 +119,18 @@ error[E0565]: malformed `proc_macro_derive` attribute input | LL | #[proc_macro_derive(unsafe(Foo))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^-----^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(unsafe(Foo))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(unsafe(Foo))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0452]: malformed lint attribute input --> $DIR/proc-unsafe-attributes.rs:27:16 diff --git a/tests/ui/attributes/used_with_multi_args.stderr b/tests/ui/attributes/used_with_multi_args.stderr index e48209cf204..308f0519b8c 100644 --- a/tests/ui/attributes/used_with_multi_args.stderr +++ b/tests/ui/attributes/used_with_multi_args.stderr @@ -9,7 +9,10 @@ LL | #[used(compiler, linker)] help: try changing it to one of the following valid forms of the attribute | LL - #[used(compiler, linker)] -LL + #[used(compiler|linker)] +LL + #[used(compiler)] + | +LL - #[used(compiler, linker)] +LL + #[used(linker)] | LL - #[used(compiler, linker)] LL + #[used] diff --git a/tests/ui/cfg/cfg-target-compact-errors.stderr b/tests/ui/cfg/cfg-target-compact-errors.stderr index 7df6729e881..cf61f94278a 100644 --- a/tests/ui/cfg/cfg-target-compact-errors.stderr +++ b/tests/ui/cfg/cfg-target-compact-errors.stderr @@ -6,6 +6,8 @@ LL | #[cfg(target(o::o))] | | | | | expected this to be of the form `... = "..."` | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0539]: malformed `cfg` attribute input --> $DIR/cfg-target-compact-errors.rs:9:1 @@ -15,6 +17,8 @@ LL | #[cfg(target(os = 8))] | | | | | expected a string literal here | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0539]: malformed `cfg` attribute input --> $DIR/cfg-target-compact-errors.rs:13:1 @@ -24,6 +28,8 @@ LL | #[cfg(target(os = "linux", pointer(width = "64")))] | | | | | expected this to be of the form `... = "..."` | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0539]: malformed `cfg` attribute input --> $DIR/cfg-target-compact-errors.rs:17:1 @@ -33,6 +39,8 @@ LL | #[cfg(target(true))] | | | | | expected this to be of the form `... = "..."` | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error: `cfg` predicate key must be an identifier --> $DIR/cfg-target-compact-errors.rs:21:14 diff --git a/tests/ui/conditional-compilation/cfg-attr-syntax-validation.rs b/tests/ui/conditional-compilation/cfg-attr-syntax-validation.rs index df87a3d846e..126a534dc6f 100644 --- a/tests/ui/conditional-compilation/cfg-attr-syntax-validation.rs +++ b/tests/ui/conditional-compilation/cfg-attr-syntax-validation.rs @@ -1,21 +1,25 @@ #[cfg] //~^ ERROR malformed `cfg` attribute //~| NOTE expected this to be a list +//~| NOTE for more information, visit struct S1; #[cfg = 10] //~^ ERROR malformed `cfg` attribute //~| NOTE expected this to be a list +//~| NOTE for more information, visit struct S2; #[cfg()] //~^ ERROR malformed `cfg` attribute //~| NOTE expected a single argument here +//~| NOTE for more information, visit struct S3; #[cfg(a, b)] //~^ ERROR malformed `cfg` attribute //~| NOTE expected a single argument here +//~| NOTE for more information, visit struct S4; #[cfg("str")] //~ ERROR `cfg` predicate key must be an identifier @@ -29,6 +33,7 @@ struct S7; #[cfg(a = 10)] //~ ERROR malformed `cfg` attribute input //~^ NOTE expected a string literal here +//~| NOTE for more information, visit struct S8; #[cfg(a = b"hi")] //~ ERROR malformed `cfg` attribute input diff --git a/tests/ui/conditional-compilation/cfg-attr-syntax-validation.stderr b/tests/ui/conditional-compilation/cfg-attr-syntax-validation.stderr index 75e9b9209c0..6acde758ea5 100644 --- a/tests/ui/conditional-compilation/cfg-attr-syntax-validation.stderr +++ b/tests/ui/conditional-compilation/cfg-attr-syntax-validation.stderr @@ -6,63 +6,73 @@ LL | #[cfg] | | | expected this to be a list | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0539]: malformed `cfg` attribute input - --> $DIR/cfg-attr-syntax-validation.rs:6:1 + --> $DIR/cfg-attr-syntax-validation.rs:7:1 | LL | #[cfg = 10] | ^^^^^^^^^^^ | | | expected this to be a list | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0805]: malformed `cfg` attribute input - --> $DIR/cfg-attr-syntax-validation.rs:11:1 + --> $DIR/cfg-attr-syntax-validation.rs:13:1 | LL | #[cfg()] | ^^^^^--^ | | | | | expected a single argument here | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0805]: malformed `cfg` attribute input - --> $DIR/cfg-attr-syntax-validation.rs:16:1 + --> $DIR/cfg-attr-syntax-validation.rs:19:1 | LL | #[cfg(a, b)] | ^^^^^------^ | | | | | expected a single argument here | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error: `cfg` predicate key must be an identifier - --> $DIR/cfg-attr-syntax-validation.rs:21:7 + --> $DIR/cfg-attr-syntax-validation.rs:25:7 | LL | #[cfg("str")] | ^^^^^ error: `cfg` predicate key must be an identifier - --> $DIR/cfg-attr-syntax-validation.rs:24:7 + --> $DIR/cfg-attr-syntax-validation.rs:28:7 | LL | #[cfg(a::b)] | ^^^^ error[E0537]: invalid predicate `a` - --> $DIR/cfg-attr-syntax-validation.rs:27:7 + --> $DIR/cfg-attr-syntax-validation.rs:31:7 | LL | #[cfg(a())] | ^^^ error[E0539]: malformed `cfg` attribute input - --> $DIR/cfg-attr-syntax-validation.rs:30:1 + --> $DIR/cfg-attr-syntax-validation.rs:34:1 | LL | #[cfg(a = 10)] | ^^^^^^^^^^--^^ | | | | | expected a string literal here | help: must be of the form: `#[cfg(predicate)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/conditional-compilation.html#the-cfg-attribute> error[E0539]: malformed `cfg` attribute input - --> $DIR/cfg-attr-syntax-validation.rs:34:1 + --> $DIR/cfg-attr-syntax-validation.rs:39:1 | LL | #[cfg(a = b"hi")] | ^^^^^^^^^^-^^^^^^ @@ -72,7 +82,7 @@ LL | #[cfg(a = b"hi")] = note: expected a normal string literal, not a byte string literal error: expected unsuffixed literal, found `expr` metavariable - --> $DIR/cfg-attr-syntax-validation.rs:40:25 + --> $DIR/cfg-attr-syntax-validation.rs:45:25 | LL | #[cfg(feature = $expr)] | ^^^^^ diff --git a/tests/ui/deprecation/deprecation-sanity.stderr b/tests/ui/deprecation/deprecation-sanity.stderr index f1b4697485c..856f51a4b24 100644 --- a/tests/ui/deprecation/deprecation-sanity.stderr +++ b/tests/ui/deprecation/deprecation-sanity.stderr @@ -18,11 +18,15 @@ LL - #[deprecated(since = "a", note)] LL + #[deprecated = "reason"] | LL - #[deprecated(since = "a", note)] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] | LL - #[deprecated(since = "a", note)] -LL + #[deprecated] +LL + #[deprecated(since = "version")] | +LL - #[deprecated(since = "a", note)] +LL + #[deprecated(since = "version", note = "reason")] + | + = and 1 other candidate error[E0539]: malformed `deprecated` attribute input --> $DIR/deprecation-sanity.rs:10:5 @@ -38,11 +42,15 @@ LL - #[deprecated(since, note = "a")] LL + #[deprecated = "reason"] | LL - #[deprecated(since, note = "a")] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] + | +LL - #[deprecated(since, note = "a")] +LL + #[deprecated(since = "version")] | LL - #[deprecated(since, note = "a")] -LL + #[deprecated] +LL + #[deprecated(since = "version", note = "reason")] | + = and 1 other candidate error[E0539]: malformed `deprecated` attribute input --> $DIR/deprecation-sanity.rs:13:5 @@ -58,11 +66,15 @@ LL - #[deprecated(since = "a", note(b))] LL + #[deprecated = "reason"] | LL - #[deprecated(since = "a", note(b))] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] + | +LL - #[deprecated(since = "a", note(b))] +LL + #[deprecated(since = "version")] | LL - #[deprecated(since = "a", note(b))] -LL + #[deprecated] +LL + #[deprecated(since = "version", note = "reason")] | + = and 1 other candidate error[E0539]: malformed `deprecated` attribute input --> $DIR/deprecation-sanity.rs:16:5 @@ -78,11 +90,15 @@ LL - #[deprecated(since(b), note = "a")] LL + #[deprecated = "reason"] | LL - #[deprecated(since(b), note = "a")] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] | LL - #[deprecated(since(b), note = "a")] -LL + #[deprecated] +LL + #[deprecated(since = "version")] | +LL - #[deprecated(since(b), note = "a")] +LL + #[deprecated(since = "version", note = "reason")] + | + = and 1 other candidate error[E0539]: malformed `deprecated` attribute input --> $DIR/deprecation-sanity.rs:19:5 @@ -108,11 +124,15 @@ LL - #[deprecated("test")] LL + #[deprecated = "reason"] | LL - #[deprecated("test")] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] + | +LL - #[deprecated("test")] +LL + #[deprecated(since = "version")] | LL - #[deprecated("test")] -LL + #[deprecated] +LL + #[deprecated(since = "version", note = "reason")] | + = and 1 other candidate error: multiple `deprecated` attributes --> $DIR/deprecation-sanity.rs:27:1 @@ -140,11 +160,15 @@ LL - #[deprecated(since = "a", since = "b", note = "c")] LL + #[deprecated = "reason"] | LL - #[deprecated(since = "a", since = "b", note = "c")] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] + | +LL - #[deprecated(since = "a", since = "b", note = "c")] +LL + #[deprecated(since = "version")] | LL - #[deprecated(since = "a", since = "b", note = "c")] -LL + #[deprecated] +LL + #[deprecated(since = "version", note = "reason")] | + = and 1 other candidate error: this `#[deprecated]` annotation has no effect --> $DIR/deprecation-sanity.rs:35:1 diff --git a/tests/ui/error-codes/E0197.stderr b/tests/ui/error-codes/E0197.stderr index c06777396e8..04c6174b9f1 100644 --- a/tests/ui/error-codes/E0197.stderr +++ b/tests/ui/error-codes/E0197.stderr @@ -5,6 +5,8 @@ LL | unsafe impl Foo { } | ------ ^^^ inherent impl for this type | | | unsafe because of this + | + = note: only trait implementations may be annotated with `unsafe` error: aborting due to 1 previous error diff --git a/tests/ui/error-codes/E0540.stderr b/tests/ui/error-codes/E0540.stderr index 3e5f408feb5..ae23dce5c50 100644 --- a/tests/ui/error-codes/E0540.stderr +++ b/tests/ui/error-codes/E0540.stderr @@ -6,10 +6,13 @@ LL | #[inline()] | | | expected a single argument here | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute> help: try changing it to one of the following valid forms of the attribute | -LL | #[inline(always|never)] - | ++++++++++++ +LL | #[inline(always)] + | ++++++ +LL | #[inline(never)] + | +++++ LL - #[inline()] LL + #[inline] | diff --git a/tests/ui/error-codes/E0565-1.stderr b/tests/ui/error-codes/E0565-1.stderr index 6277e6400d7..52daf2a62fc 100644 --- a/tests/ui/error-codes/E0565-1.stderr +++ b/tests/ui/error-codes/E0565-1.stderr @@ -12,11 +12,15 @@ LL - #[deprecated("since")] LL + #[deprecated = "reason"] | LL - #[deprecated("since")] -LL + #[deprecated(/*opt*/ since = "version", /*opt*/ note = "reason")] +LL + #[deprecated(note = "reason")] | LL - #[deprecated("since")] -LL + #[deprecated] +LL + #[deprecated(since = "version")] | +LL - #[deprecated("since")] +LL + #[deprecated(since = "version", note = "reason")] + | + = and 1 other candidate error: aborting due to 1 previous error diff --git a/tests/ui/extern/issue-47725.rs b/tests/ui/extern/issue-47725.rs index 60d0cd62347..8ac866dc7d9 100644 --- a/tests/ui/extern/issue-47725.rs +++ b/tests/ui/extern/issue-47725.rs @@ -17,6 +17,7 @@ extern "C" { #[link_name] //~^ ERROR malformed `link_name` attribute input //~| HELP must be of the form +//~| NOTE for more information, visit extern "C" { fn bar() -> u32; } diff --git a/tests/ui/extern/issue-47725.stderr b/tests/ui/extern/issue-47725.stderr index 4fd02a1778b..c5af54b8029 100644 --- a/tests/ui/extern/issue-47725.stderr +++ b/tests/ui/extern/issue-47725.stderr @@ -3,6 +3,8 @@ error[E0539]: malformed `link_name` attribute input | LL | #[link_name] | ^^^^^^^^^^^^ help: must be of the form: `#[link_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_name-attribute> warning: attribute should be applied to a foreign function or static --> $DIR/issue-47725.rs:3:1 diff --git a/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr b/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr index e7e62b4f989..646abf8e4a1 100644 --- a/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr +++ b/tests/ui/feature-gates/feature-gate-optimize_attribute.stderr @@ -43,9 +43,20 @@ error[E0539]: malformed `optimize` attribute input | LL | #[optimize(banana)] | ^^^^^^^^^^^------^^ - | | | - | | valid arguments are `size`, `speed` or `none` - | help: must be of the form: `#[optimize(size|speed|none)]` + | | + | valid arguments are `size`, `speed` or `none` + | +help: try changing it to one of the following valid forms of the attribute + | +LL - #[optimize(banana)] +LL + #[optimize(none)] + | +LL - #[optimize(banana)] +LL + #[optimize(size)] + | +LL - #[optimize(banana)] +LL + #[optimize(speed)] + | error: aborting due to 5 previous errors diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr index 324f7e9fd8a..7550e26f4a7 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs-error.stderr @@ -304,7 +304,7 @@ error[E0517]: attribute should be applied to a struct, enum, or union LL | #[repr(Rust)] impl S { } | ^^^^ ---------- not a struct, enum, or union -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:46:5 | LL | #[inline = "2100"] fn f() { } @@ -319,7 +319,7 @@ error: aborting due to 38 previous errors Some errors have detailed explanations: E0517, E0518, E0658. For more information about an error, try `rustc --explain E0517`. Future incompatibility report: Future breakage diagnostic: -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/issue-43106-gating-of-builtin-attrs-error.rs:46:5 | LL | #[inline = "2100"] fn f() { } diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs index b93cb2ea006..c91fd600068 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.rs @@ -71,6 +71,7 @@ //~^^ WARN this was previously accepted by the compiler #![must_use] //~^ WARN `#[must_use]` has no effect +//~| HELP remove the attribute // see issue-43106-gating-of-stable.rs // see issue-43106-gating-of-unstable.rs // see issue-43106-gating-of-deprecated.rs @@ -599,16 +600,20 @@ mod deprecated { } #[must_use] //~ WARN `#[must_use]` has no effect +//~^ HELP remove the attribute mod must_use { mod inner { #![must_use] } //~ WARN `#[must_use]` has no effect + //~^ HELP remove the attribute #[must_use] fn f() { } #[must_use] struct S; #[must_use] type T = S; //~ WARN `#[must_use]` has no effect + //~^ HELP remove the attribute #[must_use] impl S { } //~ WARN `#[must_use]` has no effect + //~^ HELP remove the attribute } #[windows_subsystem = "windows"] diff --git a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr index f2ae50b75a3..e0ea5382faa 100644 --- a/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr +++ b/tests/ui/feature-gates/issue-43106-gating-of-builtin-attrs.stderr @@ -1,5 +1,5 @@ warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:397:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:398:17 | LL | mod inner { #![macro_escape] } | ^^^^^^^^^^^^^^^^ @@ -7,7 +7,7 @@ LL | mod inner { #![macro_escape] } = help: try an outer attribute: `#[macro_use]` warning: `#[macro_escape]` is a deprecated synonym for `#[macro_use]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:394:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:395:1 | LL | #[macro_escape] | ^^^^^^^^^^^^^^^ @@ -43,151 +43,151 @@ LL | #![deny(x5100)] | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:96:8 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:97:8 | LL | #[warn(x5400)] | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:99:25 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:100:25 | LL | mod inner { #![warn(x5400)] } | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:102:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:103:12 | LL | #[warn(x5400)] fn f() { } | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:105:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:106:12 | LL | #[warn(x5400)] struct S; | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:108:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:109:12 | LL | #[warn(x5400)] type T = S; | ^^^^^ warning: unknown lint: `x5400` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:111:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:112:12 | LL | #[warn(x5400)] impl S { } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:115:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:116:9 | LL | #[allow(x5300)] | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:118:26 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:119:26 | LL | mod inner { #![allow(x5300)] } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:121:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:122:13 | LL | #[allow(x5300)] fn f() { } | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:124:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:125:13 | LL | #[allow(x5300)] struct S; | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:127:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:128:13 | LL | #[allow(x5300)] type T = S; | ^^^^^ warning: unknown lint: `x5300` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:130:13 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:131:13 | LL | #[allow(x5300)] impl S { } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:134:10 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:135:10 | LL | #[forbid(x5200)] | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:137:27 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:138:27 | LL | mod inner { #![forbid(x5200)] } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:140:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:141:14 | LL | #[forbid(x5200)] fn f() { } | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:143:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:144:14 | LL | #[forbid(x5200)] struct S; | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:146:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:147:14 | LL | #[forbid(x5200)] type T = S; | ^^^^^ warning: unknown lint: `x5200` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:149:14 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:150:14 | LL | #[forbid(x5200)] impl S { } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:153:8 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:154:8 | LL | #[deny(x5100)] | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:156:25 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:157:25 | LL | mod inner { #![deny(x5100)] } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:159:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:160:12 | LL | #[deny(x5100)] fn f() { } | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:162:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:163:12 | LL | #[deny(x5100)] struct S; | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:165:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:166:12 | LL | #[deny(x5100)] type T = S; | ^^^^^ warning: unknown lint: `x5100` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:168:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:169:12 | LL | #[deny(x5100)] impl S { } | ^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:189:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:190:1 | LL | #[macro_export] | ^^^^^^^^^^^^^^^ @@ -199,13 +199,13 @@ LL | #![warn(unused_attributes, unknown_lints)] | ^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:257:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:258:1 | LL | #[automatically_derived] | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:281:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:282:1 | LL | #[no_mangle] | ^^^^^^^^^^^^ @@ -220,31 +220,31 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:321:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:322:1 | LL | #[should_panic] | ^^^^^^^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:339:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:340:1 | LL | #[ignore] | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:374:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:375:1 | LL | #[reexport_test_harness_main = "2900"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:414:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:415:1 | LL | #[no_std] | ^^^^^^^^^ warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:450:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:451:1 | LL | #[cold] | ^^^^^^^ @@ -260,7 +260,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:479:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:480:1 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -276,7 +276,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:518:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:519:1 | LL | #[link_section = "1800"] | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -292,7 +292,7 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:550:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:551:1 | LL | #[link()] | ^^^^^^^^^ @@ -308,55 +308,55 @@ LL | | } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[must_use]` has no effect when applied to a module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:601:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:602:1 | LL | #[must_use] | ^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:614:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:619:1 | LL | #[windows_subsystem = "windows"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:635:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:640:1 | LL | #[crate_name = "0900"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:654:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:659:1 | LL | #[crate_type = "0800"] | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:673:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:678:1 | LL | #[feature(x0600)] | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:693:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:698:1 | LL | #[no_main] | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:712:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:717:1 | LL | #[no_builtins] | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:731:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:736:1 | LL | #[recursion_limit="0200"] | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:750:1 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:755:1 | LL | #[type_length_limit="0100"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -418,7 +418,7 @@ LL | #![cold] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: the feature `rust1` has been stable since 1.0.0 and no longer requires an attribute to enable - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:85:12 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:86:12 | LL | #![feature(rust1)] | ^^^^^ @@ -426,121 +426,121 @@ LL | #![feature(rust1)] = note: `#[warn(stable_features)]` on by default warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:176:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:177:5 | LL | #[macro_use] fn f() { } | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:179:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:180:5 | LL | #[macro_use] struct S; | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:182:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:183:5 | LL | #[macro_use] type T = S; | ^^^^^^^^^^^^ warning: `#[macro_use]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:185:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:186:5 | LL | #[macro_use] impl S { } | ^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:192:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:193:17 | LL | mod inner { #![macro_export] } | ^^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:195:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:196:5 | LL | #[macro_export] fn f() { } | ^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:198:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:199:5 | LL | #[macro_export] struct S; | ^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:201:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:202:5 | LL | #[macro_export] type T = S; | ^^^^^^^^^^^^^^^ warning: `#[macro_export]` only has an effect on macro definitions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:204:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:205:5 | LL | #[macro_export] impl S { } | ^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:244:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:245:5 | LL | #[path = "3800"] fn f() { } | ^^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:247:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:248:5 | LL | #[path = "3800"] struct S; | ^^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:250:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:251:5 | LL | #[path = "3800"] type T = S; | ^^^^^^^^^^^^^^^^ warning: `#[path]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:253:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:254:5 | LL | #[path = "3800"] impl S { } | ^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:260:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:261:17 | LL | mod inner { #![automatically_derived] } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:263:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:264:5 | LL | #[automatically_derived] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:266:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:267:5 | LL | #[automatically_derived] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:269:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:270:5 | LL | #[automatically_derived] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:272:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:273:5 | LL | #[automatically_derived] trait W { } | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[automatically_derived]` only has an effect on trait implementation blocks - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:275:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:276:5 | LL | #[automatically_derived] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:286:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:287:17 | LL | mod inner { #![no_mangle] } | ------------^^^^^^^^^^^^^-- not a free function, impl method or static @@ -548,7 +548,7 @@ LL | mod inner { #![no_mangle] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:293:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:294:5 | LL | #[no_mangle] struct S; | ^^^^^^^^^^^^ --------- not a free function, impl method or static @@ -556,7 +556,7 @@ LL | #[no_mangle] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:298:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:299:5 | LL | #[no_mangle] type T = S; | ^^^^^^^^^^^^ ----------- not a free function, impl method or static @@ -564,7 +564,7 @@ LL | #[no_mangle] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:303:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:304:5 | LL | #[no_mangle] impl S { } | ^^^^^^^^^^^^ ---------- not a free function, impl method or static @@ -572,7 +572,7 @@ LL | #[no_mangle] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:309:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:310:9 | LL | #[no_mangle] fn foo(); | ^^^^^^^^^^^^ --------- not a free function, impl method or static @@ -580,7 +580,7 @@ LL | #[no_mangle] fn foo(); = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a free function, impl method or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:314:9 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:315:9 | LL | #[no_mangle] fn bar() {} | ^^^^^^^^^^^^ ----------- not a free function, impl method or static @@ -588,163 +588,163 @@ LL | #[no_mangle] fn bar() {} = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:324:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:325:17 | LL | mod inner { #![should_panic] } | ^^^^^^^^^^^^^^^^ warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:329:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:330:5 | LL | #[should_panic] struct S; | ^^^^^^^^^^^^^^^ warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:332:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:333:5 | LL | #[should_panic] type T = S; | ^^^^^^^^^^^^^^^ warning: `#[should_panic]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:335:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:336:5 | LL | #[should_panic] impl S { } | ^^^^^^^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:342:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:343:17 | LL | mod inner { #![ignore] } | ^^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:347:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:348:5 | LL | #[ignore] struct S; | ^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:350:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:351:5 | LL | #[ignore] type T = S; | ^^^^^^^^^ warning: `#[ignore]` only has an effect on functions - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:353:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:354:5 | LL | #[ignore] impl S { } | ^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:361:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:362:5 | LL | #[no_implicit_prelude] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:364:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:365:5 | LL | #[no_implicit_prelude] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:367:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:368:5 | LL | #[no_implicit_prelude] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: `#[no_implicit_prelude]` only has an effect on modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:370:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:371:5 | LL | #[no_implicit_prelude] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:377:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:378:17 | LL | mod inner { #![reexport_test_harness_main="2900"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:380:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:381:5 | LL | #[reexport_test_harness_main = "2900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:383:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:384:5 | LL | #[reexport_test_harness_main = "2900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:386:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:387:5 | LL | #[reexport_test_harness_main = "2900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:389:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:390:5 | LL | #[reexport_test_harness_main = "2900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:401:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:402:5 | LL | #[macro_escape] fn f() { } | ^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:404:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:405:5 | LL | #[macro_escape] struct S; | ^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:407:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:408:5 | LL | #[macro_escape] type T = S; | ^^^^^^^^^^^^^^^ warning: `#[macro_escape]` only has an effect on `extern crate` and modules - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:410:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:411:5 | LL | #[macro_escape] impl S { } | ^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:417:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:418:17 | LL | mod inner { #![no_std] } | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:420:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:421:5 | LL | #[no_std] fn f() { } | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:423:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:424:5 | LL | #[no_std] struct S; | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:426:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:427:5 | LL | #[no_std] type T = S; | ^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:429:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:430:5 | LL | #[no_std] impl S { } | ^^^^^^^^^ warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:456:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:457:17 | LL | mod inner { #![cold] } | ------------^^^^^^^^-- not a function definition @@ -752,7 +752,7 @@ LL | mod inner { #![cold] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:463:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:464:5 | LL | #[cold] struct S; | ^^^^^^^ --------- not a function definition @@ -760,7 +760,7 @@ LL | #[cold] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:468:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:469:5 | LL | #[cold] type T = S; | ^^^^^^^ ----------- not a function definition @@ -768,7 +768,7 @@ LL | #[cold] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function definition - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:473:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:474:5 | LL | #[cold] impl S { } | ^^^^^^^ ---------- not a function definition @@ -776,7 +776,7 @@ LL | #[cold] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:485:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:486:5 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ @@ -786,13 +786,13 @@ LL | extern "C" { } | = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! help: try `#[link(name = "1900")]` instead - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:485:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:486:5 | LL | #[link_name = "1900"] | ^^^^^^^^^^^^^^^^^^^^^ warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:492:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:493:17 | LL | mod inner { #![link_name="1900"] } | ------------^^^^^^^^^^^^^^^^^^^^-- not a foreign function or static @@ -800,7 +800,7 @@ LL | mod inner { #![link_name="1900"] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:497:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:498:5 | LL | #[link_name = "1900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^ ---------- not a foreign function or static @@ -808,7 +808,7 @@ LL | #[link_name = "1900"] fn f() { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:502:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:503:5 | LL | #[link_name = "1900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^ --------- not a foreign function or static @@ -816,7 +816,7 @@ LL | #[link_name = "1900"] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:507:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:508:5 | LL | #[link_name = "1900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^ ----------- not a foreign function or static @@ -824,7 +824,7 @@ LL | #[link_name = "1900"] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a foreign function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:512:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:513:5 | LL | #[link_name = "1900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^ ---------- not a foreign function or static @@ -832,7 +832,7 @@ LL | #[link_name = "1900"] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:524:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:525:17 | LL | mod inner { #![link_section="1800"] } | ------------^^^^^^^^^^^^^^^^^^^^^^^-- not a function or static @@ -840,7 +840,7 @@ LL | mod inner { #![link_section="1800"] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:531:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:532:5 | LL | #[link_section = "1800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^ --------- not a function or static @@ -848,7 +848,7 @@ LL | #[link_section = "1800"] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:536:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:537:5 | LL | #[link_section = "1800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^ ----------- not a function or static @@ -856,7 +856,7 @@ LL | #[link_section = "1800"] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to a function or static - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:541:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:542:5 | LL | #[link_section = "1800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^ ---------- not a function or static @@ -864,7 +864,7 @@ LL | #[link_section = "1800"] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:556:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:557:17 | LL | mod inner { #![link()] } | ------------^^^^^^^^^^-- not an `extern` block @@ -872,7 +872,7 @@ LL | mod inner { #![link()] } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:561:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:562:5 | LL | #[link()] fn f() { } | ^^^^^^^^^ ---------- not an `extern` block @@ -880,7 +880,7 @@ LL | #[link()] fn f() { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:566:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:567:5 | LL | #[link()] struct S; | ^^^^^^^^^ --------- not an `extern` block @@ -888,7 +888,7 @@ LL | #[link()] struct S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:571:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:572:5 | LL | #[link()] type T = S; | ^^^^^^^^^ ----------- not an `extern` block @@ -896,7 +896,7 @@ LL | #[link()] type T = S; = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:576:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:577:5 | LL | #[link()] impl S { } | ^^^^^^^^^ ---------- not an `extern` block @@ -904,7 +904,7 @@ LL | #[link()] impl S { } = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: attribute should be applied to an `extern` block with non-Rust ABI - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:581:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:582:5 | LL | #[link()] extern "Rust" {} | ^^^^^^^^^ @@ -912,259 +912,259 @@ LL | #[link()] extern "Rust" {} = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! warning: `#[must_use]` has no effect when applied to a module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:603:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:605:17 | LL | mod inner { #![must_use] } | ^^^^^^^^^^^^ warning: `#[must_use]` has no effect when applied to a type alias - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:609:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:612:5 | LL | #[must_use] type T = S; | ^^^^^^^^^^^ warning: `#[must_use]` has no effect when applied to an inherent implementation block - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:611:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:615:5 | LL | #[must_use] impl S { } | ^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:617:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:622:17 | LL | mod inner { #![windows_subsystem="windows"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:620:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:625:5 | LL | #[windows_subsystem = "windows"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:623:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:628:5 | LL | #[windows_subsystem = "windows"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:626:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:631:5 | LL | #[windows_subsystem = "windows"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:629:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:634:5 | LL | #[windows_subsystem = "windows"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:638:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:643:17 | LL | mod inner { #![crate_name="0900"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:641:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:646:5 | LL | #[crate_name = "0900"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:644:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:649:5 | LL | #[crate_name = "0900"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:647:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:652:5 | LL | #[crate_name = "0900"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:650:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:655:5 | LL | #[crate_name = "0900"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:657:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:662:17 | LL | mod inner { #![crate_type="0800"] } | ^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:660:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:665:5 | LL | #[crate_type = "0800"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:663:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:668:5 | LL | #[crate_type = "0800"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:666:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:671:5 | LL | #[crate_type = "0800"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:669:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:674:5 | LL | #[crate_type = "0800"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:676:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:681:17 | LL | mod inner { #![feature(x0600)] } | ^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:679:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:684:5 | LL | #[feature(x0600)] fn f() { } | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:682:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:687:5 | LL | #[feature(x0600)] struct S; | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:685:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:690:5 | LL | #[feature(x0600)] type T = S; | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:688:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:693:5 | LL | #[feature(x0600)] impl S { } | ^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:696:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:701:17 | LL | mod inner { #![no_main] } | ^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:699:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:704:5 | LL | #[no_main] fn f() { } | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:702:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:707:5 | LL | #[no_main] struct S; | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:705:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:710:5 | LL | #[no_main] type T = S; | ^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:708:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:713:5 | LL | #[no_main] impl S { } | ^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:715:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:720:17 | LL | mod inner { #![no_builtins] } | ^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:718:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:723:5 | LL | #[no_builtins] fn f() { } | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:721:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:726:5 | LL | #[no_builtins] struct S; | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:724:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:729:5 | LL | #[no_builtins] type T = S; | ^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:727:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:732:5 | LL | #[no_builtins] impl S { } | ^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:734:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:739:17 | LL | mod inner { #![recursion_limit="0200"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:737:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:742:5 | LL | #[recursion_limit="0200"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:740:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:745:5 | LL | #[recursion_limit="0200"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:743:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:748:5 | LL | #[recursion_limit="0200"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:746:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:751:5 | LL | #[recursion_limit="0200"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be in the root module - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:753:17 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:758:17 | LL | mod inner { #![type_length_limit="0100"] } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:756:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:761:5 | LL | #[type_length_limit="0100"] fn f() { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:759:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:764:5 | LL | #[type_length_limit="0100"] struct S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:762:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:767:5 | LL | #[type_length_limit="0100"] type T = S; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: crate-level attribute should be an inner attribute: add an exclamation mark: `#![foo]` - --> $DIR/issue-43106-gating-of-builtin-attrs.rs:765:5 + --> $DIR/issue-43106-gating-of-builtin-attrs.rs:770:5 | LL | #[type_length_limit="0100"] impl S { } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/invalid-compile-flags/print-crate-name-request-malformed-crate-name.stderr b/tests/ui/invalid-compile-flags/print-crate-name-request-malformed-crate-name.stderr index 6bf09a2b131..b773f7c97aa 100644 --- a/tests/ui/invalid-compile-flags/print-crate-name-request-malformed-crate-name.stderr +++ b/tests/ui/invalid-compile-flags/print-crate-name-request-malformed-crate-name.stderr @@ -3,6 +3,8 @@ error: malformed `crate_name` attribute input | LL | #![crate_name = concat!("wrapped")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![crate_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-1.stderr b/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-1.stderr index de62aed79fc..64e38ed8533 100644 --- a/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-1.stderr +++ b/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-1.stderr @@ -3,6 +3,8 @@ error: malformed `crate_name` attribute input | LL | #![crate_name] | ^^^^^^^^^^^^^^ help: must be of the form: `#![crate_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-2.stderr b/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-2.stderr index 42c33de1221..e9a5b58e4f9 100644 --- a/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-2.stderr +++ b/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name-2.stderr @@ -3,6 +3,8 @@ error: malformed `crate_name` attribute input | LL | #![crate_name = concat!("this_one_is_not")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![crate_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name.stderr b/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name.stderr index cb5ffaab9ca..e63525c6a5d 100644 --- a/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name.stderr +++ b/tests/ui/invalid-compile-flags/print-file-names-request-malformed-crate-name.stderr @@ -3,6 +3,8 @@ error: malformed `crate_name` attribute input | LL | #![crate_name = concat!("wrapped")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![crate_name = "name"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/crates-and-source-files.html#the-crate_name-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/invalid/invalid-inline.stderr b/tests/ui/invalid/invalid-inline.stderr index 54e6b2b5408..78ffe3270a7 100644 --- a/tests/ui/invalid/invalid-inline.stderr +++ b/tests/ui/invalid/invalid-inline.stderr @@ -6,10 +6,14 @@ LL | #[inline(please,no)] | | | expected a single argument here | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[inline(please,no)] -LL + #[inline(always|never)] +LL + #[inline(always)] + | +LL - #[inline(please,no)] +LL + #[inline(never)] | LL - #[inline(please,no)] LL + #[inline] @@ -23,10 +27,13 @@ LL | #[inline()] | | | expected a single argument here | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute> help: try changing it to one of the following valid forms of the attribute | -LL | #[inline(always|never)] - | ++++++++++++ +LL | #[inline(always)] + | ++++++ +LL | #[inline(never)] + | +++++ LL - #[inline()] LL + #[inline] | diff --git a/tests/ui/issues/issue-43988.stderr b/tests/ui/issues/issue-43988.stderr index fe61e136a51..b50d691e685 100644 --- a/tests/ui/issues/issue-43988.stderr +++ b/tests/ui/issues/issue-43988.stderr @@ -6,10 +6,14 @@ LL | #[inline(XYZ)] | | | valid arguments are `always` or `never` | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[inline(XYZ)] -LL + #[inline(always|never)] +LL + #[inline(always)] + | +LL - #[inline(XYZ)] +LL + #[inline(never)] | LL - #[inline(XYZ)] LL + #[inline] @@ -22,6 +26,7 @@ LL | #[repr(nothing)] | ^^^^^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error[E0552]: unrecognized representation hint --> $DIR/issue-43988.rs:18:12 @@ -30,15 +35,26 @@ LL | #[repr(something_not_real)] | ^^^^^^^^^^^^^^^^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error[E0539]: malformed `repr` attribute input --> $DIR/issue-43988.rs:24:5 | LL | #[repr] - | ^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL | #[repr(<integer type>)] + | ++++++++++++++++ +LL | #[repr(C)] + | +++ +LL | #[repr(Rust)] + | ++++++ +LL | #[repr(align(...))] + | ++++++++++++ + = and 2 other candidates error[E0539]: malformed `inline` attribute input --> $DIR/issue-43988.rs:30:5 @@ -48,10 +64,14 @@ LL | #[inline(ABC)] | | | valid arguments are `always` or `never` | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[inline(ABC)] -LL + #[inline(always|never)] +LL + #[inline(always)] + | +LL - #[inline(ABC)] +LL + #[inline(never)] | LL - #[inline(ABC)] LL + #[inline] @@ -61,10 +81,20 @@ error[E0539]: malformed `repr` attribute input --> $DIR/issue-43988.rs:34:14 | LL | let _z = #[repr] 1; - | ^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL | let _z = #[repr(<integer type>)] 1; + | ++++++++++++++++ +LL | let _z = #[repr(C)] 1; + | +++ +LL | let _z = #[repr(Rust)] 1; + | ++++++ +LL | let _z = #[repr(align(...))] 1; + | ++++++++++++ + = and 2 other candidates error[E0518]: attribute should be applied to function or closure --> $DIR/issue-43988.rs:5:5 diff --git a/tests/ui/link-native-libs/link-attr-validation-early.rs b/tests/ui/link-native-libs/link-attr-validation-early.rs index b9a835fb5e9..a7dd80f8920 100644 --- a/tests/ui/link-native-libs/link-attr-validation-early.rs +++ b/tests/ui/link-native-libs/link-attr-validation-early.rs @@ -1,7 +1,7 @@ // Top-level ill-formed -#[link] //~ ERROR attribute must be of the form +#[link] //~ ERROR valid forms for the attribute are //~| WARN this was previously accepted -#[link = "foo"] //~ ERROR attribute must be of the form +#[link = "foo"] //~ ERROR valid forms for the attribute are //~| WARN this was previously accepted extern "C" {} diff --git a/tests/ui/link-native-libs/link-attr-validation-early.stderr b/tests/ui/link-native-libs/link-attr-validation-early.stderr index c69899275d5..36cca6f27ef 100644 --- a/tests/ui/link-native-libs/link-attr-validation-early.stderr +++ b/tests/ui/link-native-libs/link-attr-validation-early.stderr @@ -1,4 +1,4 @@ -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/link-attr-validation-early.rs:2:1 | LL | #[link] @@ -6,9 +6,10 @@ LL | #[link] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> = note: `#[deny(ill_formed_attribute_input)]` on by default -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/link-attr-validation-early.rs:4:1 | LL | #[link = "foo"] @@ -16,11 +17,12 @@ LL | #[link = "foo"] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> error: aborting due to 2 previous errors Future incompatibility report: Future breakage diagnostic: -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/link-attr-validation-early.rs:2:1 | LL | #[link] @@ -28,10 +30,11 @@ LL | #[link] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/link-attr-validation-early.rs:4:1 | LL | #[link = "foo"] @@ -39,5 +42,6 @@ LL | #[link = "foo"] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> = note: `#[deny(ill_formed_attribute_input)]` on by default diff --git a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-invalid-format.stderr b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-invalid-format.stderr index ffae30aabcc..6bf1eab311a 100644 --- a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-invalid-format.stderr +++ b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-invalid-format.stderr @@ -6,6 +6,8 @@ LL | #[link_ordinal("JustMonika")] | | | | | expected an integer literal here | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error[E0539]: malformed `link_ordinal` attribute input --> $DIR/link-ordinal-invalid-format.rs:6:5 @@ -15,6 +17,8 @@ LL | #[link_ordinal("JustMonika")] | | | | | expected an integer literal here | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error: aborting due to 2 previous errors diff --git a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.rs b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.rs index 2a8b9ebacf7..58f19085540 100644 --- a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.rs +++ b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.rs @@ -3,10 +3,12 @@ extern "C" { #[link_ordinal()] //~^ ERROR malformed `link_ordinal` attribute input //~| NOTE expected a single argument + //~| NOTE for more information, visit fn foo(); #[link_ordinal()] //~^ ERROR malformed `link_ordinal` attribute input //~| NOTE expected a single argument + //~| NOTE for more information, visit static mut imported_variable: i32; } diff --git a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.stderr b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.stderr index c6b8a18d03a..d575b0961af 100644 --- a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.stderr +++ b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-missing-argument.stderr @@ -6,15 +6,19 @@ LL | #[link_ordinal()] | | | | | expected a single argument here | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error[E0805]: malformed `link_ordinal` attribute input - --> $DIR/link-ordinal-missing-argument.rs:7:5 + --> $DIR/link-ordinal-missing-argument.rs:8:5 | LL | #[link_ordinal()] | ^^^^^^^^^^^^^^--^ | | | | | expected a single argument here | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error: aborting due to 2 previous errors diff --git a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.rs b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.rs index ddf9583352f..55b18ae0d96 100644 --- a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.rs +++ b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.rs @@ -3,10 +3,12 @@ extern "C" { #[link_ordinal(3, 4)] //~^ ERROR malformed `link_ordinal` attribute input //~| NOTE expected a single argument + //~| NOTE for more information, visit fn foo(); #[link_ordinal(3, 4)] //~^ ERROR malformed `link_ordinal` attribute input //~| NOTE expected a single argument + //~| NOTE for more information, visit static mut imported_variable: i32; } diff --git a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.stderr b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.stderr index 7d63304f598..a84fef9f9e4 100644 --- a/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.stderr +++ b/tests/ui/linkage-attr/raw-dylib/windows/link-ordinal-too-many-arguments.stderr @@ -6,15 +6,19 @@ LL | #[link_ordinal(3, 4)] | | | | | expected a single argument here | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error[E0805]: malformed `link_ordinal` attribute input - --> $DIR/link-ordinal-too-many-arguments.rs:7:5 + --> $DIR/link-ordinal-too-many-arguments.rs:8:5 | LL | #[link_ordinal(3, 4)] | ^^^^^^^^^^^^^^------^ | | | | | expected a single argument here | help: must be of the form: `#[link_ordinal(ordinal)]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link_ordinal-attribute> error: aborting due to 2 previous errors diff --git a/tests/ui/lint/dead-code/self-assign.rs b/tests/ui/lint/dead-code/self-assign.rs index 357846baf22..ce91f53cbf1 100644 --- a/tests/ui/lint/dead-code/self-assign.rs +++ b/tests/ui/lint/dead-code/self-assign.rs @@ -7,23 +7,20 @@ //! - `dead_code` lint expansion for self-assignments was implemented in #87129. //! - Unfortunately implementation components of #87129 had to be disabled as part of reverts //! #86212, #83171 (to revert #81473) to address regressions #81626 and #81658. -//! - Consequently, none of the following warnings are emitted. +//! - Re-enabled in current version to properly detect self-assignments. //@ check-pass -// Implementation of self-assignment `dead_code` lint expansions disabled due to reverts. -//@ known-bug: #75356 - #![allow(unused_assignments)] #![warn(dead_code)] fn main() { let mut x = 0; x = x; - // FIXME ~^ WARNING: useless assignment of variable of type `i32` to itself + //~^ WARNING: useless assignment of variable of type `i32` to itself x = (x); - // FIXME ~^ WARNING: useless assignment of variable of type `i32` to itself + //~^ WARNING: useless assignment of variable of type `i32` to itself x = {x}; // block expressions don't count as self-assignments @@ -32,10 +29,10 @@ fn main() { struct S<'a> { f: &'a str } let mut s = S { f: "abc" }; s = s; - // FIXME ~^ WARNING: useless assignment of variable of type `S` to itself + //~^ WARNING: useless assignment of variable of type `S<'_>` to itself s.f = s.f; - // FIXME ~^ WARNING: useless assignment of field of type `&str` to itself + //~^ WARNING: useless assignment of field of type `&str` to itself struct N0 { x: Box<i32> } @@ -44,11 +41,11 @@ fn main() { struct N3 { n: N2 }; let mut n3 = N3 { n: N2(N1 { n: N0 { x: Box::new(42) } }) }; n3.n.0.n.x = n3.n.0.n.x; - // FIXME ~^ WARNING: useless assignment of field of type `Box<i32>` to itself + //~^ WARNING: useless assignment of field of type `Box<i32>` to itself let mut t = (1, ((2, 3, (4, 5)),)); t.1.0.2.1 = t.1.0.2.1; - // FIXME ~^ WARNING: useless assignment of field of type `i32` to itself + //~^ WARNING: useless assignment of field of type `i32` to itself let mut y = 0; diff --git a/tests/ui/lint/dead-code/self-assign.stderr b/tests/ui/lint/dead-code/self-assign.stderr new file mode 100644 index 00000000000..408ebdb658b --- /dev/null +++ b/tests/ui/lint/dead-code/self-assign.stderr @@ -0,0 +1,44 @@ +warning: useless assignment of variable of type `i32` to itself + --> $DIR/self-assign.rs:19:5 + | +LL | x = x; + | ^^^^^ + | +note: the lint level is defined here + --> $DIR/self-assign.rs:15:9 + | +LL | #![warn(dead_code)] + | ^^^^^^^^^ + +warning: useless assignment of variable of type `i32` to itself + --> $DIR/self-assign.rs:22:5 + | +LL | x = (x); + | ^^^^^^^ + +warning: useless assignment of variable of type `S<'_>` to itself + --> $DIR/self-assign.rs:31:5 + | +LL | s = s; + | ^^^^^ + +warning: useless assignment of field of type `&str` to itself + --> $DIR/self-assign.rs:34:5 + | +LL | s.f = s.f; + | ^^^^^^^^^ + +warning: useless assignment of field of type `Box<i32>` to itself + --> $DIR/self-assign.rs:43:5 + | +LL | n3.n.0.n.x = n3.n.0.n.x; + | ^^^^^^^^^^^^^^^^^^^^^^^ + +warning: useless assignment of field of type `i32` to itself + --> $DIR/self-assign.rs:47:5 + | +LL | t.1.0.2.1 = t.1.0.2.1; + | ^^^^^^^^^^^^^^^^^^^^^ + +warning: 6 warnings emitted + diff --git a/tests/ui/lint/lint-malformed.stderr b/tests/ui/lint/lint-malformed.stderr index 0bdcc293b65..25a4298bd75 100644 --- a/tests/ui/lint/lint-malformed.stderr +++ b/tests/ui/lint/lint-malformed.stderr @@ -16,7 +16,20 @@ error: malformed `deny` attribute input --> $DIR/lint-malformed.rs:1:1 | LL | #![deny = "foo"] - | ^^^^^^^^^^^^^^^^ help: must be of the form: `#![deny(lint1, lint2, ..., /*opt*/ reason = "...")]` + | ^^^^^^^^^^^^^^^^ + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#lint-check-attributes> +help: the following are the possible correct uses + | +LL - #![deny = "foo"] +LL + #![deny(lint1)] + | +LL - #![deny = "foo"] +LL + #![deny(lint1, lint2, ...)] + | +LL - #![deny = "foo"] +LL + #![deny(lint1, lint2, lint3, reason = "...")] + | error[E0452]: malformed lint attribute input --> $DIR/lint-malformed.rs:2:10 diff --git a/tests/ui/lint/unused/unused_attributes-must_use.fixed b/tests/ui/lint/unused/unused_attributes-must_use.fixed new file mode 100644 index 00000000000..80d488296ea --- /dev/null +++ b/tests/ui/lint/unused/unused_attributes-must_use.fixed @@ -0,0 +1,139 @@ +//@ run-rustfix + +#![allow(dead_code, path_statements)] +#![deny(unused_attributes, unused_must_use)] +#![feature(asm_experimental_arch, stmt_expr_attributes, trait_alias)] + + //~ ERROR `#[must_use]` has no effect +extern crate std as std2; + + //~ ERROR `#[must_use]` has no effect +mod test_mod {} + + //~ ERROR `#[must_use]` has no effect +use std::arch::global_asm; + + //~ ERROR `#[must_use]` has no effect +const CONST: usize = 4; + //~ ERROR `#[must_use]` has no effect +#[no_mangle] +static STATIC: usize = 4; + +#[must_use] +struct X; + +#[must_use] +enum Y { + Z, +} + +#[must_use] +union U { + unit: (), +} + + //~ ERROR `#[must_use]` has no effect +impl U { + #[must_use] + fn method() -> i32 { + 4 + } +} + +#[must_use] +#[no_mangle] +fn foo() -> i64 { + 4 +} + + //~ ERROR `#[must_use]` has no effect +extern "Rust" { + #[link_name = "STATIC"] + //~ ERROR `#[must_use]` has no effect + static FOREIGN_STATIC: usize; + + #[link_name = "foo"] + #[must_use] + fn foreign_foo() -> i64; +} + + //~ ERROR unused attribute +global_asm!(""); + + //~ ERROR `#[must_use]` has no effect +type UseMe = (); + +fn qux< T>(_: T) {} //~ ERROR `#[must_use]` has no effect + +#[must_use] +trait Use { + //~ ERROR `#[must_use]` has no effect + const ASSOC_CONST: usize = 4; + //~ ERROR `#[must_use]` has no effect + type AssocTy; + + #[must_use] + fn get_four(&self) -> usize { + 4 + } +} + + //~ ERROR `#[must_use]` has no effect +impl Use for () { + type AssocTy = (); + + //~ ERROR `#[must_use]` has no effect + fn get_four(&self) -> usize { + 4 + } +} + + //~ ERROR `#[must_use]` has no effect +trait Alias = Use; + + //~ ERROR `#[must_use]` has no effect +macro_rules! cool_macro { + () => { + 4 + }; +} + +fn main() { + //~ ERROR `#[must_use]` has no effect + let x = || {}; + x(); + + let x = //~ ERROR `#[must_use]` has no effect + || {}; + x(); + + let _ = X; //~ ERROR that must be used + let _ = Y::Z; //~ ERROR that must be used + let _ = U { unit: () }; //~ ERROR that must be used + let _ = U::method(); //~ ERROR that must be used + let _ = foo(); //~ ERROR that must be used + + unsafe { + let _ = foreign_foo(); //~ ERROR that must be used + }; + + CONST; + STATIC; + unsafe { FOREIGN_STATIC }; + cool_macro!(); + qux(4); + let _ = ().get_four(); //~ ERROR that must be used + + match Some(4) { + //~ ERROR `#[must_use]` has no effect + Some(res) => res, + None => 0, + }; + + struct PatternField { + foo: i32, + } + let s = PatternField { foo: 123 }; //~ ERROR `#[must_use]` has no effect + let PatternField { foo } = s; //~ ERROR `#[must_use]` has no effect + let _ = foo; +} diff --git a/tests/ui/lint/unused/unused_attributes-must_use.rs b/tests/ui/lint/unused/unused_attributes-must_use.rs index 860fc5046d1..edefe8ed65e 100644 --- a/tests/ui/lint/unused/unused_attributes-must_use.rs +++ b/tests/ui/lint/unused/unused_attributes-must_use.rs @@ -1,3 +1,5 @@ +//@ run-rustfix + #![allow(dead_code, path_statements)] #![deny(unused_attributes, unused_must_use)] #![feature(asm_experimental_arch, stmt_expr_attributes, trait_alias)] @@ -133,4 +135,5 @@ fn main() { } let s = PatternField { #[must_use] foo: 123 }; //~ ERROR `#[must_use]` has no effect let PatternField { #[must_use] foo } = s; //~ ERROR `#[must_use]` has no effect + let _ = foo; } diff --git a/tests/ui/lint/unused/unused_attributes-must_use.stderr b/tests/ui/lint/unused/unused_attributes-must_use.stderr index 862ffa42d80..27927cf37e9 100644 --- a/tests/ui/lint/unused/unused_attributes-must_use.stderr +++ b/tests/ui/lint/unused/unused_attributes-must_use.stderr @@ -1,154 +1,154 @@ error: unused attribute `must_use` - --> $DIR/unused_attributes-must_use.rs:58:1 + --> $DIR/unused_attributes-must_use.rs:60:1 | LL | #[must_use] | ^^^^^^^^^^^ | note: the built-in attribute `must_use` will be ignored, since it's applied to the macro invocation `global_asm` - --> $DIR/unused_attributes-must_use.rs:59:1 + --> $DIR/unused_attributes-must_use.rs:61:1 | LL | global_asm!(""); | ^^^^^^^^^^ note: the lint level is defined here - --> $DIR/unused_attributes-must_use.rs:2:9 + --> $DIR/unused_attributes-must_use.rs:4:9 | LL | #![deny(unused_attributes, unused_must_use)] | ^^^^^^^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an extern crate - --> $DIR/unused_attributes-must_use.rs:5:1 + --> $DIR/unused_attributes-must_use.rs:7:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a module - --> $DIR/unused_attributes-must_use.rs:8:1 + --> $DIR/unused_attributes-must_use.rs:10:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a use - --> $DIR/unused_attributes-must_use.rs:11:1 + --> $DIR/unused_attributes-must_use.rs:13:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a constant item - --> $DIR/unused_attributes-must_use.rs:14:1 + --> $DIR/unused_attributes-must_use.rs:16:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a static item - --> $DIR/unused_attributes-must_use.rs:16:1 + --> $DIR/unused_attributes-must_use.rs:18:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an inherent implementation block - --> $DIR/unused_attributes-must_use.rs:33:1 + --> $DIR/unused_attributes-must_use.rs:35:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a foreign module - --> $DIR/unused_attributes-must_use.rs:47:1 + --> $DIR/unused_attributes-must_use.rs:49:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a type alias - --> $DIR/unused_attributes-must_use.rs:61:1 + --> $DIR/unused_attributes-must_use.rs:63:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a type parameter - --> $DIR/unused_attributes-must_use.rs:64:8 + --> $DIR/unused_attributes-must_use.rs:66:8 | LL | fn qux<#[must_use] T>(_: T) {} | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an trait implementation block - --> $DIR/unused_attributes-must_use.rs:79:1 + --> $DIR/unused_attributes-must_use.rs:81:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a trait alias - --> $DIR/unused_attributes-must_use.rs:89:1 + --> $DIR/unused_attributes-must_use.rs:91:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a macro def - --> $DIR/unused_attributes-must_use.rs:92:1 + --> $DIR/unused_attributes-must_use.rs:94:1 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a statement - --> $DIR/unused_attributes-must_use.rs:100:5 + --> $DIR/unused_attributes-must_use.rs:102:5 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a closure - --> $DIR/unused_attributes-must_use.rs:104:13 + --> $DIR/unused_attributes-must_use.rs:106:13 | LL | let x = #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an match arm - --> $DIR/unused_attributes-must_use.rs:126:9 + --> $DIR/unused_attributes-must_use.rs:128:9 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a struct field - --> $DIR/unused_attributes-must_use.rs:134:28 + --> $DIR/unused_attributes-must_use.rs:136:28 | LL | let s = PatternField { #[must_use] foo: 123 }; | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a pattern field - --> $DIR/unused_attributes-must_use.rs:135:24 + --> $DIR/unused_attributes-must_use.rs:137:24 | LL | let PatternField { #[must_use] foo } = s; | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an associated const - --> $DIR/unused_attributes-must_use.rs:68:5 + --> $DIR/unused_attributes-must_use.rs:70:5 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to an associated type - --> $DIR/unused_attributes-must_use.rs:70:5 + --> $DIR/unused_attributes-must_use.rs:72:5 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a provided trait method - --> $DIR/unused_attributes-must_use.rs:83:5 + --> $DIR/unused_attributes-must_use.rs:85:5 | LL | #[must_use] | ^^^^^^^^^^^ error: `#[must_use]` has no effect when applied to a foreign static item - --> $DIR/unused_attributes-must_use.rs:50:5 + --> $DIR/unused_attributes-must_use.rs:52:5 | LL | #[must_use] | ^^^^^^^^^^^ error: unused `X` that must be used - --> $DIR/unused_attributes-must_use.rs:108:5 + --> $DIR/unused_attributes-must_use.rs:110:5 | LL | X; | ^ | note: the lint level is defined here - --> $DIR/unused_attributes-must_use.rs:2:28 + --> $DIR/unused_attributes-must_use.rs:4:28 | LL | #![deny(unused_attributes, unused_must_use)] | ^^^^^^^^^^^^^^^ @@ -158,7 +158,7 @@ LL | let _ = X; | +++++++ error: unused `Y` that must be used - --> $DIR/unused_attributes-must_use.rs:109:5 + --> $DIR/unused_attributes-must_use.rs:111:5 | LL | Y::Z; | ^^^^ @@ -169,7 +169,7 @@ LL | let _ = Y::Z; | +++++++ error: unused `U` that must be used - --> $DIR/unused_attributes-must_use.rs:110:5 + --> $DIR/unused_attributes-must_use.rs:112:5 | LL | U { unit: () }; | ^^^^^^^^^^^^^^ @@ -180,7 +180,7 @@ LL | let _ = U { unit: () }; | +++++++ error: unused return value of `U::method` that must be used - --> $DIR/unused_attributes-must_use.rs:111:5 + --> $DIR/unused_attributes-must_use.rs:113:5 | LL | U::method(); | ^^^^^^^^^^^ @@ -191,7 +191,7 @@ LL | let _ = U::method(); | +++++++ error: unused return value of `foo` that must be used - --> $DIR/unused_attributes-must_use.rs:112:5 + --> $DIR/unused_attributes-must_use.rs:114:5 | LL | foo(); | ^^^^^ @@ -202,7 +202,7 @@ LL | let _ = foo(); | +++++++ error: unused return value of `foreign_foo` that must be used - --> $DIR/unused_attributes-must_use.rs:115:9 + --> $DIR/unused_attributes-must_use.rs:117:9 | LL | foreign_foo(); | ^^^^^^^^^^^^^ @@ -213,7 +213,7 @@ LL | let _ = foreign_foo(); | +++++++ error: unused return value of `Use::get_four` that must be used - --> $DIR/unused_attributes-must_use.rs:123:5 + --> $DIR/unused_attributes-must_use.rs:125:5 | LL | ().get_four(); | ^^^^^^^^^^^^^ diff --git a/tests/ui/macros/macro-use-bad-args-1.stderr b/tests/ui/macros/macro-use-bad-args-1.stderr index 2f43d0997df..542b4ae2b7a 100644 --- a/tests/ui/macros/macro-use-bad-args-1.stderr +++ b/tests/ui/macros/macro-use-bad-args-1.stderr @@ -6,6 +6,7 @@ LL | #[macro_use(foo(bar))] | | | didn't expect any arguments here | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[macro_use(foo(bar))] diff --git a/tests/ui/macros/macro-use-bad-args-2.stderr b/tests/ui/macros/macro-use-bad-args-2.stderr index d7b03c93588..2db9ffe50b0 100644 --- a/tests/ui/macros/macro-use-bad-args-2.stderr +++ b/tests/ui/macros/macro-use-bad-args-2.stderr @@ -6,6 +6,7 @@ LL | #[macro_use(foo="bar")] | | | didn't expect any arguments here | + = note: for more information, visit <https://doc.rust-lang.org/reference/macros-by-example.html#the-macro_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[macro_use(foo="bar")] diff --git a/tests/ui/malformed/malformed-regressions.rs b/tests/ui/malformed/malformed-regressions.rs index f0a7aac59c1..99f0fc904a9 100644 --- a/tests/ui/malformed/malformed-regressions.rs +++ b/tests/ui/malformed/malformed-regressions.rs @@ -4,9 +4,9 @@ //~^ WARN this was previously accepted #[inline = ""] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted -#[link] //~ ERROR attribute must be of the form +#[link] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted -#[link = ""] //~ ERROR attribute must be of the form +#[link = ""] //~ ERROR valid forms for the attribute are //~^ WARN this was previously accepted fn main() {} diff --git a/tests/ui/malformed/malformed-regressions.stderr b/tests/ui/malformed/malformed-regressions.stderr index 60ea5da761d..4a00c9b4a7d 100644 --- a/tests/ui/malformed/malformed-regressions.stderr +++ b/tests/ui/malformed/malformed-regressions.stderr @@ -1,4 +1,4 @@ -error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden)]`, `#[doc(inline)]`, and `#[doc = "string"]` --> $DIR/malformed-regressions.rs:1:1 | LL | #[doc] @@ -6,9 +6,10 @@ LL | #[doc] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html> = note: `#[deny(ill_formed_attribute_input)]` on by default -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/malformed-regressions.rs:7:1 | LL | #[link] @@ -16,8 +17,9 @@ LL | #[link] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/malformed-regressions.rs:9:1 | LL | #[link = ""] @@ -25,6 +27,7 @@ LL | #[link = ""] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> error: valid forms for the attribute are `#[ignore = "reason"]` and `#[ignore]` --> $DIR/malformed-regressions.rs:3:1 @@ -35,7 +38,7 @@ LL | #[ignore()] = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/malformed-regressions.rs:5:1 | LL | #[inline = ""] @@ -47,7 +50,7 @@ LL | #[inline = ""] error: aborting due to 5 previous errors Future incompatibility report: Future breakage diagnostic: -error: valid forms for the attribute are `#[doc(hidden|inline|...)]` and `#[doc = "string"]` +error: valid forms for the attribute are `#[doc(hidden)]`, `#[doc(inline)]`, and `#[doc = "string"]` --> $DIR/malformed-regressions.rs:1:1 | LL | #[doc] @@ -55,10 +58,11 @@ LL | #[doc] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/rustdoc/write-documentation/the-doc-attribute.html> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/malformed-regressions.rs:7:1 | LL | #[link] @@ -66,10 +70,11 @@ LL | #[link] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: attribute must be of the form `#[link(name = "...", /*opt*/ kind = "dylib|static|...", /*opt*/ wasm_import_module = "...", /*opt*/ import_name_type = "decorated|noprefix|undecorated")]` +error: valid forms for the attribute are `#[link(name = "...")]`, `#[link(name = "...", kind = "dylib|static|...")]`, `#[link(name = "...", wasm_import_module = "...")]`, `#[link(name = "...", import_name_type = "decorated|noprefix|undecorated")]`, and `#[link(name = "...", kind = "dylib|static|...", wasm_import_module = "...", import_name_type = "decorated|noprefix|undecorated")]` --> $DIR/malformed-regressions.rs:9:1 | LL | #[link = ""] @@ -77,6 +82,7 @@ LL | #[link = ""] | = 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 #57571 <https://github.com/rust-lang/rust/issues/57571> + = note: for more information, visit <https://doc.rust-lang.org/reference/items/external-blocks.html#the-link-attribute> = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: @@ -91,7 +97,7 @@ LL | #[ignore()] = note: `#[deny(ill_formed_attribute_input)]` on by default Future breakage diagnostic: -error: valid forms for the attribute are `#[inline(always|never)]` and `#[inline]` +error: valid forms for the attribute are `#[inline(always)]`, `#[inline(never)]`, and `#[inline]` --> $DIR/malformed-regressions.rs:5:1 | LL | #[inline = ""] diff --git a/tests/ui/modules/path-invalid-form.stderr b/tests/ui/modules/path-invalid-form.stderr index e8ded1343f7..4e9a62fa7a9 100644 --- a/tests/ui/modules/path-invalid-form.stderr +++ b/tests/ui/modules/path-invalid-form.stderr @@ -3,6 +3,8 @@ error: malformed `path` attribute input | LL | #[path = 123] | ^^^^^^^^^^^^^ help: must be of the form: `#[path = "file"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/modules.html#the-path-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/modules/path-macro.stderr b/tests/ui/modules/path-macro.stderr index eb02c721edd..fd93871f3a6 100644 --- a/tests/ui/modules/path-macro.stderr +++ b/tests/ui/modules/path-macro.stderr @@ -3,6 +3,8 @@ error: malformed `path` attribute input | LL | #[path = foo!()] | ^^^^^^^^^^^^^^^^ help: must be of the form: `#[path = "file"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/modules.html#the-path-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/parser/bad-lit-suffixes.stderr b/tests/ui/parser/bad-lit-suffixes.stderr index 7876d75c5a4..9a51cf70960 100644 --- a/tests/ui/parser/bad-lit-suffixes.stderr +++ b/tests/ui/parser/bad-lit-suffixes.stderr @@ -158,6 +158,7 @@ LL | #[must_use = "string"suffix] | | | expected a string literal here | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/diagnostics.html#the-must_use-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[must_use = "string"suffix] diff --git a/tests/ui/parser/default-on-wrong-item-kind.rs b/tests/ui/parser/default-on-wrong-item-kind.rs index da990a4b421..9de85640565 100644 --- a/tests/ui/parser/default-on-wrong-item-kind.rs +++ b/tests/ui/parser/default-on-wrong-item-kind.rs @@ -19,7 +19,7 @@ mod free_items { default union foo {} //~ ERROR a union cannot be `default` default trait foo {} //~ ERROR a trait cannot be `default` default trait foo = Ord; //~ ERROR a trait alias cannot be `default` - default impl foo {} + default impl foo {} //~ ERROR inherent impls cannot be default default!(); default::foo::bar!(); default default!(); //~ ERROR an item macro invocation cannot be `default` @@ -53,7 +53,7 @@ extern "C" { //~^ ERROR trait is not supported in `extern` blocks default trait foo = Ord; //~ ERROR a trait alias cannot be `default` //~^ ERROR trait alias is not supported in `extern` blocks - default impl foo {} + default impl foo {} //~ ERROR inherent impls cannot be default //~^ ERROR implementation is not supported in `extern` blocks default!(); default::foo::bar!(); @@ -90,7 +90,7 @@ impl S { //~^ ERROR trait is not supported in `trait`s or `impl`s default trait foo = Ord; //~ ERROR a trait alias cannot be `default` //~^ ERROR trait alias is not supported in `trait`s or `impl`s - default impl foo {} + default impl foo {} //~ ERROR inherent impls cannot be default //~^ ERROR implementation is not supported in `trait`s or `impl`s default!(); default::foo::bar!(); @@ -127,7 +127,7 @@ trait T { //~^ ERROR trait is not supported in `trait`s or `impl`s default trait foo = Ord; //~ ERROR a trait alias cannot be `default` //~^ ERROR trait alias is not supported in `trait`s or `impl`s - default impl foo {} + default impl foo {} //~ ERROR inherent impls cannot be default //~^ ERROR implementation is not supported in `trait`s or `impl`s default!(); default::foo::bar!(); diff --git a/tests/ui/parser/default-on-wrong-item-kind.stderr b/tests/ui/parser/default-on-wrong-item-kind.stderr index 56641565b16..0380fcdf775 100644 --- a/tests/ui/parser/default-on-wrong-item-kind.stderr +++ b/tests/ui/parser/default-on-wrong-item-kind.stderr @@ -78,6 +78,16 @@ LL | default trait foo = Ord; | = note: only associated `fn`, `const`, and `type` items can be `default` +error: inherent impls cannot be default + --> $DIR/default-on-wrong-item-kind.rs:22:18 + | +LL | default impl foo {} + | ------- ^^^ inherent impl for this type + | | + | default because of this + | + = note: only trait implementations may be annotated with `default` + error: an item macro invocation cannot be `default` --> $DIR/default-on-wrong-item-kind.rs:25:5 | @@ -275,6 +285,16 @@ LL | default trait foo = Ord; | = help: consider moving the trait alias out to a nearby module scope +error: inherent impls cannot be default + --> $DIR/default-on-wrong-item-kind.rs:56:18 + | +LL | default impl foo {} + | ------- ^^^ inherent impl for this type + | | + | default because of this + | + = note: only trait implementations may be annotated with `default` + error: implementation is not supported in `extern` blocks --> $DIR/default-on-wrong-item-kind.rs:56:5 | @@ -489,6 +509,16 @@ LL | default trait foo = Ord; | = help: consider moving the trait alias out to a nearby module scope +error: inherent impls cannot be default + --> $DIR/default-on-wrong-item-kind.rs:93:18 + | +LL | default impl foo {} + | ------- ^^^ inherent impl for this type + | | + | default because of this + | + = note: only trait implementations may be annotated with `default` + error: implementation is not supported in `trait`s or `impl`s --> $DIR/default-on-wrong-item-kind.rs:93:5 | @@ -703,6 +733,16 @@ LL | default trait foo = Ord; | = help: consider moving the trait alias out to a nearby module scope +error: inherent impls cannot be default + --> $DIR/default-on-wrong-item-kind.rs:130:18 + | +LL | default impl foo {} + | ------- ^^^ inherent impl for this type + | | + | default because of this + | + = note: only trait implementations may be annotated with `default` + error: implementation is not supported in `trait`s or `impl`s --> $DIR/default-on-wrong-item-kind.rs:130:5 | @@ -759,5 +799,5 @@ LL | default macro_rules! foo {} | = help: consider moving the macro definition out to a nearby module scope -error: aborting due to 95 previous errors +error: aborting due to 99 previous errors diff --git a/tests/ui/proc-macro/attribute.rs b/tests/ui/proc-macro/attribute.rs index 988cdcd0403..dfb26738377 100644 --- a/tests/ui/proc-macro/attribute.rs +++ b/tests/ui/proc-macro/attribute.rs @@ -9,46 +9,55 @@ use proc_macro::*; #[proc_macro_derive] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected this to be a list +//~| NOTE for more information, visit pub fn foo1(input: TokenStream) -> TokenStream { input } #[proc_macro_derive = ""] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected this to be a list +//~| NOTE for more information, visit pub fn foo2(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d3, a, b)] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE the only valid argument here is `attributes` +//~| NOTE for more information, visit pub fn foo3(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d4, attributes(a), b)] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit pub fn foo4(input: TokenStream) -> TokenStream { input } #[proc_macro_derive("a")] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE didn't expect a literal here +//~| NOTE for more information, visit pub fn foo5(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d6 = "")] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit pub fn foo6(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(m::d7)] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit pub fn foo7(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d8(a))] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit pub fn foo8(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(self)] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit pub fn foo9(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(PartialEq)] // OK @@ -57,34 +66,41 @@ pub fn foo10(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d11, a)] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE the only valid argument here is `attributes` +//~| NOTE for more information, visit pub fn foo11(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d12, attributes)] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected this to be a list +//~| NOTE for more information, visit pub fn foo12(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d13, attributes("a"))] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit pub fn foo13(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d14, attributes(a = ""))] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit pub fn foo14(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d15, attributes(m::a))] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit pub fn foo15(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d16, attributes(a(b)))] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE didn't expect any arguments here +//~| NOTE for more information, visit pub fn foo16(input: TokenStream) -> TokenStream { input } #[proc_macro_derive(d17, attributes(self))] //~^ ERROR malformed `proc_macro_derive` attribute //~| NOTE expected a valid identifier here +//~| NOTE for more information, visit pub fn foo17(input: TokenStream) -> TokenStream { input } diff --git a/tests/ui/proc-macro/attribute.stderr b/tests/ui/proc-macro/attribute.stderr index db59a1fdfb3..e7127c8ef1d 100644 --- a/tests/ui/proc-macro/attribute.stderr +++ b/tests/ui/proc-macro/attribute.stderr @@ -2,145 +2,283 @@ error[E0539]: malformed `proc_macro_derive` attribute input --> $DIR/attribute.rs:9:1 | LL | #[proc_macro_derive] - | ^^^^^^^^^^^^^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | ^^^^^^^^^^^^^^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL | #[proc_macro_derive(TraitName)] + | +++++++++++ +LL | #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | ++++++++++++++++++++++++++++++++++++++++++ error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:14:1 + --> $DIR/attribute.rs:15:1 | LL | #[proc_macro_derive = ""] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | ^^^^^^^^^^^^^^^^^^^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive = ""] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive = ""] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:19:1 + --> $DIR/attribute.rs:21:1 | LL | #[proc_macro_derive(d3, a, b)] | ^^^^^^^^^^^^^^^^^^^^^^^^-^^^^^ - | | | - | | the only valid argument here is `attributes` - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | the only valid argument here is `attributes` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d3, a, b)] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d3, a, b)] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0565]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:24:1 + --> $DIR/attribute.rs:27:1 | LL | #[proc_macro_derive(d4, attributes(a), b)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d4, attributes(a), b)] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d4, attributes(a), b)] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0565]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:29:1 + --> $DIR/attribute.rs:33:1 | LL | #[proc_macro_derive("a")] | ^^^^^^^^^^^^^^^^^^^^---^^ - | | | - | | didn't expect a literal here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect a literal here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive("a")] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive("a")] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0565]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:34:1 + --> $DIR/attribute.rs:39:1 | LL | #[proc_macro_derive(d6 = "")] | ^^^^^^^^^^^^^^^^^^^^^^^----^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d6 = "")] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d6 = "")] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:39:1 + --> $DIR/attribute.rs:45:1 | LL | #[proc_macro_derive(m::d7)] | ^^^^^^^^^^^^^^^^^^^^-----^^ - | | | - | | expected a valid identifier here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | expected a valid identifier here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(m::d7)] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(m::d7)] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0565]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:44:1 + --> $DIR/attribute.rs:51:1 | LL | #[proc_macro_derive(d8(a))] | ^^^^^^^^^^^^^^^^^^^^^^---^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d8(a))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d8(a))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:49:1 + --> $DIR/attribute.rs:57:1 | LL | #[proc_macro_derive(self)] | ^^^^^^^^^^^^^^^^^^^^----^^ - | | | - | | expected a valid identifier here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | expected a valid identifier here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(self)] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(self)] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:57:1 + --> $DIR/attribute.rs:66:1 | LL | #[proc_macro_derive(d11, a)] | ^^^^^^^^^^^^^^^^^^^^^^^^^-^^ - | | | - | | the only valid argument here is `attributes` - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | the only valid argument here is `attributes` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d11, a)] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d11, a)] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:62:1 + --> $DIR/attribute.rs:72:1 | LL | #[proc_macro_derive(d12, attributes)] | ^^^^^^^^^^^^^^^^^^^^^^^^^----------^^ - | | | - | | expected this to be a list - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d12, attributes)] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d12, attributes)] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:67:1 + --> $DIR/attribute.rs:78:1 | LL | #[proc_macro_derive(d13, attributes("a"))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^^^ - | | | - | | expected a valid identifier here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | expected a valid identifier here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d13, attributes("a"))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d13, attributes("a"))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0565]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:72:1 + --> $DIR/attribute.rs:84:1 | LL | #[proc_macro_derive(d14, attributes(a = ""))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d14, attributes(a = ""))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d14, attributes(a = ""))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:77:1 + --> $DIR/attribute.rs:90:1 | LL | #[proc_macro_derive(d15, attributes(m::a))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^ - | | | - | | expected a valid identifier here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | expected a valid identifier here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d15, attributes(m::a))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d15, attributes(m::a))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0565]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:82:1 + --> $DIR/attribute.rs:96:1 | LL | #[proc_macro_derive(d16, attributes(a(b)))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---^^^ - | | | - | | didn't expect any arguments here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | didn't expect any arguments here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d16, attributes(a(b)))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d16, attributes(a(b)))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error[E0539]: malformed `proc_macro_derive` attribute input - --> $DIR/attribute.rs:87:1 + --> $DIR/attribute.rs:102:1 | LL | #[proc_macro_derive(d17, attributes(self))] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^^^ - | | | - | | expected a valid identifier here - | help: must be of the form: `#[proc_macro_derive(TraitName, /*opt*/ attributes(name1, name2, ...))]` + | | + | expected a valid identifier here + | + = note: for more information, visit <https://doc.rust-lang.org/reference/procedural-macros.html#derive-macros> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[proc_macro_derive(d17, attributes(self))] +LL + #[proc_macro_derive(TraitName)] + | +LL - #[proc_macro_derive(d17, attributes(self))] +LL + #[proc_macro_derive(TraitName, attributes(name1, name2, ...))] + | error: aborting due to 16 previous errors diff --git a/tests/ui/recursion_limit/invalid_digit_type.stderr b/tests/ui/recursion_limit/invalid_digit_type.stderr index 94442b5747f..a122262f1df 100644 --- a/tests/ui/recursion_limit/invalid_digit_type.stderr +++ b/tests/ui/recursion_limit/invalid_digit_type.stderr @@ -3,6 +3,8 @@ error: malformed `recursion_limit` attribute input | LL | #![recursion_limit = 123] | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![recursion_limit = "N"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/recursion_limit/invalid_macro.stderr b/tests/ui/recursion_limit/invalid_macro.stderr index aa4894ec4d8..b4dbc9fcb13 100644 --- a/tests/ui/recursion_limit/invalid_macro.stderr +++ b/tests/ui/recursion_limit/invalid_macro.stderr @@ -3,6 +3,8 @@ error: malformed `recursion_limit` attribute input | LL | #![recursion_limit = foo!()] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![recursion_limit = "N"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/recursion_limit/no-value.stderr b/tests/ui/recursion_limit/no-value.stderr index b2e8c46c372..4a0ad04f271 100644 --- a/tests/ui/recursion_limit/no-value.stderr +++ b/tests/ui/recursion_limit/no-value.stderr @@ -3,6 +3,8 @@ error: malformed `recursion_limit` attribute input | LL | #![recursion_limit] | ^^^^^^^^^^^^^^^^^^^ help: must be of the form: `#![recursion_limit = "N"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/limits.html#the-recursion_limit-attribute> error: aborting due to 1 previous error diff --git a/tests/ui/repr/invalid_repr_list_help.stderr b/tests/ui/repr/invalid_repr_list_help.stderr index 763ad9c2795..f9d1593275e 100644 --- a/tests/ui/repr/invalid_repr_list_help.stderr +++ b/tests/ui/repr/invalid_repr_list_help.stderr @@ -5,6 +5,7 @@ LL | #[repr(uwu)] | ^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error[E0552]: unrecognized representation hint --> $DIR/invalid_repr_list_help.rs:6:8 @@ -13,6 +14,7 @@ LL | #[repr(uwu = "a")] | ^^^^^^^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error[E0552]: unrecognized representation hint --> $DIR/invalid_repr_list_help.rs:9:8 @@ -21,6 +23,7 @@ LL | #[repr(uwu(4))] | ^^^^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error[E0552]: unrecognized representation hint --> $DIR/invalid_repr_list_help.rs:14:8 @@ -29,6 +32,7 @@ LL | #[repr(uwu, u8)] | ^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error[E0552]: unrecognized representation hint --> $DIR/invalid_repr_list_help.rs:19:8 @@ -37,6 +41,7 @@ LL | #[repr(uwu)] | ^^^ | = help: valid reprs are `Rust` (default), `C`, `align`, `packed`, `transparent`, `simd`, `i8`, `u8`, `i16`, `u16`, `i32`, `u32`, `i64`, `u64`, `i128`, `u128`, `isize`, `usize` + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html?highlight=repr#representations> error: unknown `doc` attribute `owo` --> $DIR/invalid_repr_list_help.rs:20:7 diff --git a/tests/ui/repr/repr.stderr b/tests/ui/repr/repr.stderr index 9e581332278..d4faea12517 100644 --- a/tests/ui/repr/repr.stderr +++ b/tests/ui/repr/repr.stderr @@ -2,28 +2,66 @@ error[E0539]: malformed `repr` attribute input --> $DIR/repr.rs:1:1 | LL | #[repr] - | ^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL | #[repr(<integer type>)] + | ++++++++++++++++ +LL | #[repr(C)] + | +++ +LL | #[repr(Rust)] + | ++++++ +LL | #[repr(align(...))] + | ++++++++++++ + = and 2 other candidates error[E0539]: malformed `repr` attribute input --> $DIR/repr.rs:4:1 | LL | #[repr = "B"] - | ^^^^^^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[repr = "B"] +LL + #[repr(<integer type>)] + | +LL - #[repr = "B"] +LL + #[repr(C)] + | +LL - #[repr = "B"] +LL + #[repr(Rust)] + | +LL - #[repr = "B"] +LL + #[repr(align(...))] + | + = and 2 other candidates error[E0539]: malformed `repr` attribute input --> $DIR/repr.rs:7:1 | LL | #[repr = "C"] - | ^^^^^^^^^^^^^ - | | - | expected this to be a list - | help: must be of the form: `#[repr(C | Rust | align(...) | packed(...) | <integer type> | transparent)]` + | ^^^^^^^^^^^^^ expected this to be a list + | + = note: for more information, visit <https://doc.rust-lang.org/reference/type-layout.html#representations> +help: try changing it to one of the following valid forms of the attribute + | +LL - #[repr = "C"] +LL + #[repr(<integer type>)] + | +LL - #[repr = "C"] +LL + #[repr(C)] + | +LL - #[repr = "C"] +LL + #[repr(Rust)] + | +LL - #[repr = "C"] +LL + #[repr(align(...))] + | + = and 2 other candidates error: aborting due to 3 previous errors diff --git a/tests/ui/resolve/path-attr-in-const-block.stderr b/tests/ui/resolve/path-attr-in-const-block.stderr index 0b5942a287d..f3ae5b60c4f 100644 --- a/tests/ui/resolve/path-attr-in-const-block.stderr +++ b/tests/ui/resolve/path-attr-in-const-block.stderr @@ -12,6 +12,8 @@ LL | #![path = foo!()] | | | | | expected a string literal here | help: must be of the form: `#[path = "file"]` + | + = note: for more information, visit <https://doc.rust-lang.org/reference/items/modules.html#the-path-attribute> error: aborting due to 2 previous errors diff --git a/tests/ui/span/E0539.stderr b/tests/ui/span/E0539.stderr index 01f091a2676..34d81b73cb5 100644 --- a/tests/ui/span/E0539.stderr +++ b/tests/ui/span/E0539.stderr @@ -6,10 +6,14 @@ LL | #[inline(unknown)] | | | valid arguments are `always` or `never` | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/codegen.html#the-inline-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[inline(unknown)] -LL + #[inline(always|never)] +LL + #[inline(always)] + | +LL - #[inline(unknown)] +LL + #[inline(never)] | LL - #[inline(unknown)] LL + #[inline] diff --git a/tests/ui/specialization/defaultimpl/validation.rs b/tests/ui/specialization/defaultimpl/validation.rs index 14771be8982..78f6099c3dd 100644 --- a/tests/ui/specialization/defaultimpl/validation.rs +++ b/tests/ui/specialization/defaultimpl/validation.rs @@ -4,7 +4,7 @@ struct S; struct Z; -default impl S {} //~ ERROR inherent impls cannot be `default` +default impl S {} //~ ERROR inherent impls cannot be default default unsafe impl Send for S {} //~^ ERROR impls of auto traits cannot be default diff --git a/tests/ui/specialization/defaultimpl/validation.stderr b/tests/ui/specialization/defaultimpl/validation.stderr index 82a33bf9cdc..a8dfef2dcfb 100644 --- a/tests/ui/specialization/defaultimpl/validation.stderr +++ b/tests/ui/specialization/defaultimpl/validation.stderr @@ -1,10 +1,10 @@ -error: inherent impls cannot be `default` +error: inherent impls cannot be default --> $DIR/validation.rs:7:14 | LL | default impl S {} | ------- ^ inherent impl for this type | | - | `default` because of this + | default because of this | = note: only trait implementations may be annotated with `default` diff --git a/tests/ui/test-attrs/test-should-panic-attr.rs b/tests/ui/test-attrs/test-should-panic-attr.rs index af54689551c..e6de07d0094 100644 --- a/tests/ui/test-attrs/test-should-panic-attr.rs +++ b/tests/ui/test-attrs/test-should-panic-attr.rs @@ -10,6 +10,7 @@ fn test1() { #[should_panic(expected)] //~^ ERROR malformed `should_panic` attribute input //~| NOTE expected this to be of the form `expected = "..."` +//~| NOTE for more information, visit fn test2() { panic!(); } @@ -18,6 +19,7 @@ fn test2() { #[should_panic(expect)] //~^ ERROR malformed `should_panic` attribute input //~| NOTE the only valid argument here is "expected" +//~| NOTE for more information, visit fn test3() { panic!(); } @@ -26,6 +28,7 @@ fn test3() { #[should_panic(expected(foo, bar))] //~^ ERROR malformed `should_panic` attribute input //~| NOTE expected this to be of the form `expected = "..."` +//~| NOTE for more information, visit fn test4() { panic!(); } @@ -34,6 +37,7 @@ fn test4() { #[should_panic(expected = "foo", bar)] //~^ ERROR malformed `should_panic` attribute input //~| NOTE expected a single argument here +//~| NOTE for more information, visit fn test5() { panic!(); } diff --git a/tests/ui/test-attrs/test-should-panic-attr.stderr b/tests/ui/test-attrs/test-should-panic-attr.stderr index 5dfc8e503e8..475a55ad0cb 100644 --- a/tests/ui/test-attrs/test-should-panic-attr.stderr +++ b/tests/ui/test-attrs/test-should-panic-attr.stderr @@ -6,6 +6,7 @@ LL | #[should_panic(expected)] | | | expected this to be of the form `expected = "..."` | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[should_panic(expected)] @@ -18,13 +19,14 @@ LL + #[should_panic] | error[E0539]: malformed `should_panic` attribute input - --> $DIR/test-should-panic-attr.rs:18:1 + --> $DIR/test-should-panic-attr.rs:19:1 | LL | #[should_panic(expect)] | ^^^^^^^^^^^^^^--------^ | | | the only valid argument here is "expected" | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[should_panic(expect)] @@ -37,13 +39,14 @@ LL + #[should_panic] | error[E0539]: malformed `should_panic` attribute input - --> $DIR/test-should-panic-attr.rs:26:1 + --> $DIR/test-should-panic-attr.rs:28:1 | LL | #[should_panic(expected(foo, bar))] | ^^^^^^^^^^^^^^^------------------^^ | | | expected this to be of the form `expected = "..."` | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[should_panic(expected(foo, bar))] @@ -57,13 +60,14 @@ LL + #[should_panic] | error[E0805]: malformed `should_panic` attribute input - --> $DIR/test-should-panic-attr.rs:34:1 + --> $DIR/test-should-panic-attr.rs:37:1 | LL | #[should_panic(expected = "foo", bar)] | ^^^^^^^^^^^^^^-----------------------^ | | | expected a single argument here | + = note: for more information, visit <https://doc.rust-lang.org/reference/attributes/testing.html#the-should_panic-attribute> help: try changing it to one of the following valid forms of the attribute | LL - #[should_panic(expected = "foo", bar)] diff --git a/tests/ui/traits/const-traits/inherent-impl.rs b/tests/ui/traits/const-traits/inherent-impl.rs index 07b23adf9e1..5ca4c5d7863 100644 --- a/tests/ui/traits/const-traits/inherent-impl.rs +++ b/tests/ui/traits/const-traits/inherent-impl.rs @@ -5,9 +5,9 @@ struct S; trait T {} impl const S {} -//~^ ERROR inherent impls cannot be `const` +//~^ ERROR inherent impls cannot be const impl const dyn T {} -//~^ ERROR inherent impls cannot be `const` +//~^ ERROR inherent impls cannot be const fn main() {} diff --git a/tests/ui/traits/const-traits/inherent-impl.stderr b/tests/ui/traits/const-traits/inherent-impl.stderr index e4ec1e807b0..d828ecb6349 100644 --- a/tests/ui/traits/const-traits/inherent-impl.stderr +++ b/tests/ui/traits/const-traits/inherent-impl.stderr @@ -1,20 +1,20 @@ -error: inherent impls cannot be `const` +error: inherent impls cannot be const --> $DIR/inherent-impl.rs:7:12 | LL | impl const S {} | ----- ^ inherent impl for this type | | - | `const` because of this + | const because of this | = note: only trait implementations may be annotated with `const` -error: inherent impls cannot be `const` +error: inherent impls cannot be const --> $DIR/inherent-impl.rs:10:12 | LL | impl const dyn T {} | ----- ^^^^^ inherent impl for this type | | - | `const` because of this + | const because of this | = note: only trait implementations may be annotated with `const` diff --git a/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr b/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr index af160a45f3e..9fad260f0be 100644 --- a/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr +++ b/tests/ui/traits/const-traits/macro-const-trait-bound-theoretical-regression.stderr @@ -1,15 +1,4 @@ -error: macro expansion ignores keyword `dyn` and any tokens following - --> $DIR/macro-const-trait-bound-theoretical-regression.rs:14:31 - | -LL | (dyn $c:ident Trait) => { dyn $c Trait {} }; - | ^^^ -... -LL | demo! { dyn const Trait } - | ------------------------- caused by the macro expansion here - | - = note: the usage of `demo!` is likely invalid in item context - -error: inherent impls cannot be `const` +error: inherent impls cannot be const --> $DIR/macro-const-trait-bound-theoretical-regression.rs:10:40 | LL | (impl $c:ident Trait) => { impl $c Trait {} }; @@ -18,12 +7,23 @@ LL | (impl $c:ident Trait) => { impl $c Trait {} }; LL | demo! { impl const Trait } | -------------------------- | | | - | | `const` because of this + | | const because of this | in this macro invocation | = note: only trait implementations may be annotated with `const` = note: this error originates in the macro `demo` (in Nightly builds, run with -Z macro-backtrace for more info) +error: macro expansion ignores keyword `dyn` and any tokens following + --> $DIR/macro-const-trait-bound-theoretical-regression.rs:14:31 + | +LL | (dyn $c:ident Trait) => { dyn $c Trait {} }; + | ^^^ +... +LL | demo! { dyn const Trait } + | ------------------------- caused by the macro expansion here + | + = note: the usage of `demo!` is likely invalid in item context + error[E0658]: const trait impls are experimental --> $DIR/macro-const-trait-bound-theoretical-regression.rs:17:14 | diff --git a/tests/ui/traits/const-traits/span-bug-issue-121418.rs b/tests/ui/traits/const-traits/span-bug-issue-121418.rs index 50a7e12f2a7..593180ac094 100644 --- a/tests/ui/traits/const-traits/span-bug-issue-121418.rs +++ b/tests/ui/traits/const-traits/span-bug-issue-121418.rs @@ -4,7 +4,7 @@ struct S; trait T {} impl const dyn T { - //~^ ERROR inherent impls cannot be `const` + //~^ ERROR inherent impls cannot be const pub const fn new() -> std::sync::Mutex<dyn T> {} //~^ ERROR mismatched types //~| ERROR cannot be known at compilation time diff --git a/tests/ui/traits/const-traits/span-bug-issue-121418.stderr b/tests/ui/traits/const-traits/span-bug-issue-121418.stderr index f31129d9cb7..0c8ca918a3e 100644 --- a/tests/ui/traits/const-traits/span-bug-issue-121418.stderr +++ b/tests/ui/traits/const-traits/span-bug-issue-121418.stderr @@ -1,10 +1,10 @@ -error: inherent impls cannot be `const` +error: inherent impls cannot be const --> $DIR/span-bug-issue-121418.rs:6:12 | LL | impl const dyn T { | ----- ^^^^^ inherent impl for this type | | - | `const` because of this + | const because of this | = note: only trait implementations may be annotated with `const` diff --git a/tests/ui/traits/safety-inherent-impl.stderr b/tests/ui/traits/safety-inherent-impl.stderr index 2513fef909e..45cdbe2b523 100644 --- a/tests/ui/traits/safety-inherent-impl.stderr +++ b/tests/ui/traits/safety-inherent-impl.stderr @@ -5,6 +5,8 @@ LL | unsafe impl SomeStruct { | ------ ^^^^^^^^^^ inherent impl for this type | | | unsafe because of this + | + = note: only trait implementations may be annotated with `unsafe` error: aborting due to 1 previous error diff --git a/tests/ui/traits/syntax-trait-polarity.stderr b/tests/ui/traits/syntax-trait-polarity.stderr index 1fd40fb6657..8ffcdc7d8b5 100644 --- a/tests/ui/traits/syntax-trait-polarity.stderr +++ b/tests/ui/traits/syntax-trait-polarity.stderr @@ -5,15 +5,8 @@ LL | impl !TestType {} | -^^^^^^^^ inherent impl for this type | | | negative because of this - -error[E0198]: negative impls cannot be unsafe - --> $DIR/syntax-trait-polarity.rs:12:13 | -LL | unsafe impl !Send for TestType {} - | ------ -^^^^ - | | | - | | negative because of this - | unsafe because of this + = note: only trait implementations may be annotated with `!` error: inherent impls cannot be negative --> $DIR/syntax-trait-polarity.rs:18:10 @@ -22,6 +15,17 @@ LL | impl<T> !TestType2<T> {} | -^^^^^^^^^^^^ inherent impl for this type | | | negative because of this + | + = note: only trait implementations may be annotated with `!` + +error[E0198]: negative impls cannot be unsafe + --> $DIR/syntax-trait-polarity.rs:12:13 + | +LL | unsafe impl !Send for TestType {} + | ------ -^^^^ + | | | + | | negative because of this + | unsafe because of this error[E0198]: negative impls cannot be unsafe --> $DIR/syntax-trait-polarity.rs:21:16 diff --git a/tests/ui/unpretty/exhaustive.hir.stdout b/tests/ui/unpretty/exhaustive.hir.stdout index 9cfa65f5801..e9823c9575b 100644 --- a/tests/ui/unpretty/exhaustive.hir.stdout +++ b/tests/ui/unpretty/exhaustive.hir.stdout @@ -509,7 +509,7 @@ mod items { impl () { } impl <T> () { } impl Default for () { } - impl const <T> Default for () { } + impl <T> const Default for () { } } /// ItemKind::MacCall mod item_mac_call { } diff --git a/tests/ui/unstable-feature-bound/unstable_feature_bound_on_trait.fail.stderr b/tests/ui/unstable-feature-bound/unstable_feature_bound_on_trait.fail.stderr new file mode 100644 index 00000000000..69be101a40d --- /dev/null +++ b/tests/ui/unstable-feature-bound/unstable_feature_bound_on_trait.fail.stderr @@ -0,0 +1,18 @@ +error: unstable feature `foo` is used without being enabled. + --> $DIR/unstable_feature_bound_on_trait.rs:28:5 + | +LL | Foo::bar(); + | ^^^^^^^^^^ + | + = help: The feature can be enabled by marking the current item with `#[unstable_feature_bound(foo)]` +note: required by a bound in `Bar::bar` + --> $DIR/unstable_feature_bound_on_trait.rs:16:1 + | +LL | #[unstable_feature_bound(foo)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Bar::bar` +... +LL | fn bar() {} + | --- required by a bound in this associated function + +error: aborting due to 1 previous error + diff --git a/tests/ui/unstable-feature-bound/unstable_feature_bound_on_trait.rs b/tests/ui/unstable-feature-bound/unstable_feature_bound_on_trait.rs new file mode 100644 index 00000000000..0ee00d5e7fb --- /dev/null +++ b/tests/ui/unstable-feature-bound/unstable_feature_bound_on_trait.rs @@ -0,0 +1,33 @@ +//@ revisions: pass fail +//@[pass] check-pass + +#![allow(internal_features)] +#![feature(staged_api)] +#![stable(feature = "a", since = "1.1.1" )] + +/// Test the behaviour of marking a trait with #[unstable_feature_bound]. +/// In this testcase, even though the trait method `bar` and the `struct Foo` are +/// both stable, #[unstable_feature_bound] is still needed at the call site of Foo::bar(). + +#[stable(feature = "a", since = "1.1.1" )] +struct Foo; + +#[unstable(feature = "foo", issue = "none" )] +#[unstable_feature_bound(foo)] +trait Bar { + #[stable(feature = "a", since = "1.1.1" )] + fn bar() {} +} + +#[unstable_feature_bound(foo)] +impl Bar for Foo { +} + +#[cfg_attr(pass, unstable_feature_bound(foo))] +fn moo() { + Foo::bar(); + //[fail]~^ ERROR: unstable feature `foo` is used without being enabled. +} + + +fn main() {} diff --git a/tests/ui/unstable-feature-bound/unstable_inherent_method.rs b/tests/ui/unstable-feature-bound/unstable_inherent_method.rs index 5f3095430a8..0d6e4ebb408 100644 --- a/tests/ui/unstable-feature-bound/unstable_inherent_method.rs +++ b/tests/ui/unstable-feature-bound/unstable_inherent_method.rs @@ -9,14 +9,14 @@ pub trait Trait { #[unstable(feature = "feat", issue = "none" )] #[unstable_feature_bound(foo)] - //~^ ERROR: attribute should be applied to `impl` or free function outside of any `impl` or trait + //~^ ERROR: attribute should be applied to `impl`, trait or free function fn foo(); } #[stable(feature = "a", since = "1.1.1" )] impl Trait for u8 { #[unstable_feature_bound(foo)] - //~^ ERROR: attribute should be applied to `impl` or free function outside of any `impl` or trait + //~^ ERROR: attribute should be applied to `impl`, trait or free function fn foo() {} } diff --git a/tests/ui/unstable-feature-bound/unstable_inherent_method.stderr b/tests/ui/unstable-feature-bound/unstable_inherent_method.stderr index fa1c39db259..90cbb32df7c 100644 --- a/tests/ui/unstable-feature-bound/unstable_inherent_method.stderr +++ b/tests/ui/unstable-feature-bound/unstable_inherent_method.stderr @@ -1,20 +1,20 @@ -error: attribute should be applied to `impl` or free function outside of any `impl` or trait +error: attribute should be applied to `impl`, trait or free function --> $DIR/unstable_inherent_method.rs:11:5 | LL | #[unstable_feature_bound(foo)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | fn foo(); - | --------- not an `impl` or free function + | --------- not an `impl`, trait or free function -error: attribute should be applied to `impl` or free function outside of any `impl` or trait +error: attribute should be applied to `impl`, trait or free function --> $DIR/unstable_inherent_method.rs:18:5 | LL | #[unstable_feature_bound(foo)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ LL | LL | fn foo() {} - | ----------- not an `impl` or free function + | ----------- not an `impl`, trait or free function error: aborting due to 2 previous errors diff --git a/triagebot.toml b/triagebot.toml index 71f1ed0fda3..6f6e95c5b50 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -207,6 +207,7 @@ trigger_labels = [ "regression-from-stable-to-beta", "regression-from-stable-to-nightly", "I-unsound", + "I-miscompile", ] exclude_labels = [ "P-*", |