diff options
787 files changed, 20776 insertions, 10305 deletions
diff --git a/Cargo.lock b/Cargo.lock index 03d450ab417..dab693419a9 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -1843,9 +1843,9 @@ dependencies = [ [[package]] name = "itertools" -version = "0.10.1" +version = "0.10.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf" +checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473" dependencies = [ "either", ] @@ -1935,9 +1935,9 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55" [[package]] name = "libc" -version = "0.2.131" +version = "0.2.135" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "04c3b4822ccebfa39c02fc03d1534441b22ead323fa0f48bb7ddd8e6ba076a40" +checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c" dependencies = [ "rustc-std-workspace-core", ] @@ -3570,6 +3570,32 @@ dependencies = [ ] [[package]] +name = "rustc_hir_typeck" +version = "0.1.0" +dependencies = [ + "rustc_ast", + "rustc_data_structures", + "rustc_errors", + "rustc_graphviz", + "rustc_hir", + "rustc_hir_analysis", + "rustc_hir_pretty", + "rustc_index", + "rustc_infer", + "rustc_lint", + "rustc_macros", + "rustc_middle", + "rustc_serialize", + "rustc_session", + "rustc_span", + "rustc_target", + "rustc_trait_selection", + "rustc_type_ir", + "smallvec", + "tracing", +] + +[[package]] name = "rustc_incremental" version = "0.0.0" dependencies = [ @@ -3638,6 +3664,7 @@ dependencies = [ "rustc_expand", "rustc_hir", "rustc_hir_analysis", + "rustc_hir_typeck", "rustc_incremental", "rustc_lint", "rustc_macros", @@ -4449,9 +4476,9 @@ dependencies = [ [[package]] name = "serde" -version = "1.0.143" +version = "1.0.147" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "53e8e5d5b70924f74ff5c6d64d9a5acd91422117c60f48c4e07855238a254553" +checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965" dependencies = [ "serde_derive", ] @@ -4468,9 +4495,9 @@ dependencies = [ [[package]] name = "serde_derive" -version = "1.0.143" +version = "1.0.147" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d3d8e8de557aee63c26b85b947f5e59b690d0454c753f3adeb5cd7835ab88391" +checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852" dependencies = [ "proc-macro2", "quote", @@ -4954,16 +4981,26 @@ dependencies = [ ] [[package]] +name = "toml_datetime" +version = "0.5.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "808b51e57d0ef8f71115d8f3a01e7d3750d01c79cac4b3eda910f4389fdf92fd" +dependencies = [ + "serde", +] + +[[package]] name = "toml_edit" -version = "0.14.3" +version = "0.15.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba98375fd631b83696f87c64e4ed8e29e6a1f3404d6aed95fa95163bad38e705" +checksum = "b1541ba70885967e662f69d31ab3aeca7b1aaecfcd58679590b893e9239c3646" dependencies = [ "combine", "indexmap", "itertools", "kstring", "serde", + "toml_datetime", ] [[package]] diff --git a/compiler/rustc/src/main.rs b/compiler/rustc/src/main.rs index 0de1a781913..e21c9b66044 100644 --- a/compiler/rustc/src/main.rs +++ b/compiler/rustc/src/main.rs @@ -1,3 +1,5 @@ +#![feature(unix_sigpipe)] + // A note about jemalloc: rustc uses jemalloc when built for CI and // distribution. The obvious way to do this is with the `#[global_allocator]` // mechanism. However, for complicated reasons (see @@ -23,6 +25,7 @@ // libraries. So we must reference jemalloc symbols one way or another, because // this file is the only object code in the rustc executable. +#[unix_sigpipe = "sig_dfl"] fn main() { // See the comment at the top of this file for an explanation of this. #[cfg(feature = "jemalloc-sys")] @@ -58,6 +61,5 @@ fn main() { } } - rustc_driver::set_sigpipe_handler(); rustc_driver::main() } diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs index c6c85ffa84d..157f46501e1 100644 --- a/compiler/rustc_ast_lowering/src/errors.rs +++ b/compiler/rustc_ast_lowering/src/errors.rs @@ -1,12 +1,9 @@ -use rustc_errors::{ - fluent, AddToDiagnostic, Applicability, Diagnostic, DiagnosticArgFromDisplay, - SubdiagnosticMessage, -}; +use rustc_errors::DiagnosticArgFromDisplay; use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::{symbol::Ident, Span, Symbol}; #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::generic_type_with_parentheses, code = "E0214")] +#[diag(ast_lowering_generic_type_with_parentheses, code = "E0214")] pub struct GenericTypeWithParentheses { #[primary_span] #[label] @@ -15,27 +12,17 @@ pub struct GenericTypeWithParentheses { pub sub: Option<UseAngleBrackets>, } -#[derive(Clone, Copy)] +#[derive(Clone, Copy, Subdiagnostic)] +#[multipart_suggestion(ast_lowering_use_angle_brackets, applicability = "maybe-incorrect")] pub struct UseAngleBrackets { + #[suggestion_part(code = "<")] pub open_param: Span, + #[suggestion_part(code = ">")] pub close_param: Span, } -impl AddToDiagnostic for UseAngleBrackets { - fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) - where - F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, - { - diag.multipart_suggestion( - fluent::ast_lowering::use_angle_brackets, - vec![(self.open_param, String::from("<")), (self.close_param, String::from(">"))], - Applicability::MaybeIncorrect, - ); - } -} - #[derive(Diagnostic)] -#[diag(ast_lowering::invalid_abi, code = "E0703")] +#[diag(ast_lowering_invalid_abi, code = "E0703")] #[note] pub struct InvalidAbi { #[primary_span] @@ -49,7 +36,7 @@ pub struct InvalidAbi { #[derive(Subdiagnostic)] #[suggestion( - ast_lowering::invalid_abi_suggestion, + ast_lowering_invalid_abi_suggestion, code = "{suggestion}", applicability = "maybe-incorrect" )] @@ -60,7 +47,7 @@ pub struct InvalidAbiSuggestion { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::assoc_ty_parentheses)] +#[diag(ast_lowering_assoc_ty_parentheses)] pub struct AssocTyParentheses { #[primary_span] pub span: Span, @@ -68,34 +55,24 @@ pub struct AssocTyParentheses { pub sub: AssocTyParenthesesSub, } -#[derive(Clone, Copy)] +#[derive(Clone, Copy, Subdiagnostic)] pub enum AssocTyParenthesesSub { - Empty { parentheses_span: Span }, - NotEmpty { open_param: Span, close_param: Span }, -} - -impl AddToDiagnostic for AssocTyParenthesesSub { - fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) - where - F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, - { - match self { - Self::Empty { parentheses_span } => diag.multipart_suggestion( - fluent::ast_lowering::remove_parentheses, - vec![(parentheses_span, String::new())], - Applicability::MaybeIncorrect, - ), - Self::NotEmpty { open_param, close_param } => diag.multipart_suggestion( - fluent::ast_lowering::use_angle_brackets, - vec![(open_param, String::from("<")), (close_param, String::from(">"))], - Applicability::MaybeIncorrect, - ), - }; - } + #[multipart_suggestion(ast_lowering_remove_parentheses)] + Empty { + #[suggestion_part(code = "")] + parentheses_span: Span, + }, + #[multipart_suggestion(ast_lowering_use_angle_brackets)] + NotEmpty { + #[suggestion_part(code = "<")] + open_param: Span, + #[suggestion_part(code = ">")] + close_param: Span, + }, } #[derive(Diagnostic)] -#[diag(ast_lowering::misplaced_impl_trait, code = "E0562")] +#[diag(ast_lowering_misplaced_impl_trait, code = "E0562")] pub struct MisplacedImplTrait<'a> { #[primary_span] pub span: Span, @@ -103,14 +80,14 @@ pub struct MisplacedImplTrait<'a> { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::rustc_box_attribute_error)] +#[diag(ast_lowering_rustc_box_attribute_error)] pub struct RustcBoxAttributeError { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::underscore_expr_lhs_assign)] +#[diag(ast_lowering_underscore_expr_lhs_assign)] pub struct UnderscoreExprLhsAssign { #[primary_span] #[label] @@ -118,7 +95,7 @@ pub struct UnderscoreExprLhsAssign { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::base_expression_double_dot)] +#[diag(ast_lowering_base_expression_double_dot)] pub struct BaseExpressionDoubleDot { #[primary_span] #[label] @@ -126,24 +103,24 @@ pub struct BaseExpressionDoubleDot { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::await_only_in_async_fn_and_blocks, code = "E0728")] +#[diag(ast_lowering_await_only_in_async_fn_and_blocks, code = "E0728")] pub struct AwaitOnlyInAsyncFnAndBlocks { #[primary_span] #[label] pub dot_await_span: Span, - #[label(ast_lowering::this_not_async)] + #[label(ast_lowering_this_not_async)] pub item_span: Option<Span>, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::generator_too_many_parameters, code = "E0628")] +#[diag(ast_lowering_generator_too_many_parameters, code = "E0628")] pub struct GeneratorTooManyParameters { #[primary_span] pub fn_decl_span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::closure_cannot_be_static, code = "E0697")] +#[diag(ast_lowering_closure_cannot_be_static, code = "E0697")] pub struct ClosureCannotBeStatic { #[primary_span] pub fn_decl_span: Span, @@ -151,14 +128,14 @@ pub struct ClosureCannotBeStatic { #[derive(Diagnostic, Clone, Copy)] #[help] -#[diag(ast_lowering::async_non_move_closure_not_supported, code = "E0708")] +#[diag(ast_lowering_async_non_move_closure_not_supported, code = "E0708")] pub struct AsyncNonMoveClosureNotSupported { #[primary_span] pub fn_decl_span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::functional_record_update_destructuring_assignment)] +#[diag(ast_lowering_functional_record_update_destructuring_assignment)] pub struct FunctionalRecordUpdateDestructuringAssignemnt { #[primary_span] #[suggestion(code = "", applicability = "machine-applicable")] @@ -166,28 +143,28 @@ pub struct FunctionalRecordUpdateDestructuringAssignemnt { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::async_generators_not_supported, code = "E0727")] +#[diag(ast_lowering_async_generators_not_supported, code = "E0727")] pub struct AsyncGeneratorsNotSupported { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::inline_asm_unsupported_target, code = "E0472")] +#[diag(ast_lowering_inline_asm_unsupported_target, code = "E0472")] pub struct InlineAsmUnsupportedTarget { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::att_syntax_only_x86)] +#[diag(ast_lowering_att_syntax_only_x86)] pub struct AttSyntaxOnlyX86 { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::abi_specified_multiple_times)] +#[diag(ast_lowering_abi_specified_multiple_times)] pub struct AbiSpecifiedMultipleTimes { #[primary_span] pub abi_span: Span, @@ -199,7 +176,7 @@ pub struct AbiSpecifiedMultipleTimes { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::clobber_abi_not_supported)] +#[diag(ast_lowering_clobber_abi_not_supported)] pub struct ClobberAbiNotSupported { #[primary_span] pub abi_span: Span, @@ -207,7 +184,7 @@ pub struct ClobberAbiNotSupported { #[derive(Diagnostic)] #[note] -#[diag(ast_lowering::invalid_abi_clobber_abi)] +#[diag(ast_lowering_invalid_abi_clobber_abi)] pub struct InvalidAbiClobberAbi { #[primary_span] pub abi_span: Span, @@ -215,7 +192,7 @@ pub struct InvalidAbiClobberAbi { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::invalid_register)] +#[diag(ast_lowering_invalid_register)] pub struct InvalidRegister<'a> { #[primary_span] pub op_span: Span, @@ -224,7 +201,7 @@ pub struct InvalidRegister<'a> { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::invalid_register_class)] +#[diag(ast_lowering_invalid_register_class)] pub struct InvalidRegisterClass<'a> { #[primary_span] pub op_span: Span, @@ -233,12 +210,12 @@ pub struct InvalidRegisterClass<'a> { } #[derive(Diagnostic)] -#[diag(ast_lowering::invalid_asm_template_modifier_reg_class)] +#[diag(ast_lowering_invalid_asm_template_modifier_reg_class)] pub struct InvalidAsmTemplateModifierRegClass { #[primary_span] - #[label(ast_lowering::template_modifier)] + #[label(ast_lowering_template_modifier)] pub placeholder_span: Span, - #[label(ast_lowering::argument)] + #[label(ast_lowering_argument)] pub op_span: Span, #[subdiagnostic] pub sub: InvalidAsmTemplateModifierRegClassSub, @@ -246,34 +223,34 @@ pub struct InvalidAsmTemplateModifierRegClass { #[derive(Subdiagnostic)] pub enum InvalidAsmTemplateModifierRegClassSub { - #[note(ast_lowering::support_modifiers)] + #[note(ast_lowering_support_modifiers)] SupportModifier { class_name: Symbol, modifiers: String }, - #[note(ast_lowering::does_not_support_modifiers)] + #[note(ast_lowering_does_not_support_modifiers)] DoesNotSupportModifier { class_name: Symbol }, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::invalid_asm_template_modifier_const)] +#[diag(ast_lowering_invalid_asm_template_modifier_const)] pub struct InvalidAsmTemplateModifierConst { #[primary_span] - #[label(ast_lowering::template_modifier)] + #[label(ast_lowering_template_modifier)] pub placeholder_span: Span, - #[label(ast_lowering::argument)] + #[label(ast_lowering_argument)] pub op_span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::invalid_asm_template_modifier_sym)] +#[diag(ast_lowering_invalid_asm_template_modifier_sym)] pub struct InvalidAsmTemplateModifierSym { #[primary_span] - #[label(ast_lowering::template_modifier)] + #[label(ast_lowering_template_modifier)] pub placeholder_span: Span, - #[label(ast_lowering::argument)] + #[label(ast_lowering_argument)] pub op_span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::register_class_only_clobber)] +#[diag(ast_lowering_register_class_only_clobber)] pub struct RegisterClassOnlyClobber { #[primary_span] pub op_span: Span, @@ -281,12 +258,12 @@ pub struct RegisterClassOnlyClobber { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::register_conflict)] +#[diag(ast_lowering_register_conflict)] pub struct RegisterConflict<'a> { #[primary_span] - #[label(ast_lowering::register1)] + #[label(ast_lowering_register1)] pub op_span1: Span, - #[label(ast_lowering::register2)] + #[label(ast_lowering_register2)] pub op_span2: Span, pub reg1_name: &'a str, pub reg2_name: &'a str, @@ -296,12 +273,12 @@ pub struct RegisterConflict<'a> { #[derive(Diagnostic, Clone, Copy)] #[help] -#[diag(ast_lowering::sub_tuple_binding)] +#[diag(ast_lowering_sub_tuple_binding)] pub struct SubTupleBinding<'a> { #[primary_span] #[label] #[suggestion_verbose( - ast_lowering::sub_tuple_binding_suggestion, + ast_lowering_sub_tuple_binding_suggestion, code = "..", applicability = "maybe-incorrect" )] @@ -312,56 +289,56 @@ pub struct SubTupleBinding<'a> { } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::extra_double_dot)] +#[diag(ast_lowering_extra_double_dot)] pub struct ExtraDoubleDot<'a> { #[primary_span] #[label] pub span: Span, - #[label(ast_lowering::previously_used_here)] + #[label(ast_lowering_previously_used_here)] pub prev_span: Span, pub ctx: &'a str, } #[derive(Diagnostic, Clone, Copy)] #[note] -#[diag(ast_lowering::misplaced_double_dot)] +#[diag(ast_lowering_misplaced_double_dot)] pub struct MisplacedDoubleDot { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::misplaced_relax_trait_bound)] +#[diag(ast_lowering_misplaced_relax_trait_bound)] pub struct MisplacedRelaxTraitBound { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::not_supported_for_lifetime_binder_async_closure)] +#[diag(ast_lowering_not_supported_for_lifetime_binder_async_closure)] pub struct NotSupportedForLifetimeBinderAsyncClosure { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::arbitrary_expression_in_pattern)] +#[diag(ast_lowering_arbitrary_expression_in_pattern)] pub struct ArbitraryExpressionInPattern { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::inclusive_range_with_no_end)] +#[diag(ast_lowering_inclusive_range_with_no_end)] pub struct InclusiveRangeWithNoEnd { #[primary_span] pub span: Span, } #[derive(Diagnostic, Clone, Copy)] -#[diag(ast_lowering::trait_fn_async, code = "E0706")] +#[diag(ast_lowering_trait_fn_async, code = "E0706")] #[note] -#[note(ast_lowering::note2)] +#[note(note2)] pub struct TraitFnAsync { #[primary_span] pub fn_span: Span, diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index f42aca685f6..03664324404 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -14,6 +14,7 @@ use rustc_ast::*; use rustc_ast_pretty::pprust::{self, State}; use rustc_data_structures::fx::FxHashMap; use rustc_errors::{error_code, fluent, pluralize, struct_span_err, Applicability}; +use rustc_macros::Subdiagnostic; use rustc_parse::validate_attr; use rustc_session::lint::builtin::{ DEPRECATED_WHERE_CLAUSE_LOCATION, MISSING_ABI, PATTERNS_IN_FNS_WITHOUT_BODY, @@ -169,7 +170,7 @@ impl<'a> AstValidator<'a> { DEPRECATED_WHERE_CLAUSE_LOCATION, id, where_clauses.0.1, - fluent::ast_passes::deprecated_where_clause_location, + fluent::ast_passes_deprecated_where_clause_location, BuiltinLintDiagnostics::DeprecatedWhereclauseLocation( where_clauses.1.1.shrink_to_hi(), suggestion, @@ -251,20 +252,6 @@ impl<'a> AstValidator<'a> { } } - fn visit_struct_field_def(&mut self, field: &'a FieldDef) { - if let Some(ident) = field.ident { - if ident.name == kw::Underscore { - self.visit_vis(&field.vis); - self.visit_ident(ident); - self.visit_ty_common(&field.ty); - self.walk_ty(&field.ty); - walk_list!(self, visit_attribute, &field.attrs); - return; - } - } - self.visit_field_def(field); - } - fn err_handler(&self) -> &rustc_errors::Handler { &self.session.diagnostic() } @@ -1005,8 +992,8 @@ impl<'a> Visitor<'a> for AstValidator<'a> { visit::walk_lifetime(self, lifetime); } - fn visit_field_def(&mut self, s: &'a FieldDef) { - visit::walk_field_def(self, s) + fn visit_field_def(&mut self, field: &'a FieldDef) { + visit::walk_field_def(self, field) } fn visit_item(&mut self, item: &'a Item) { @@ -1194,42 +1181,10 @@ impl<'a> Visitor<'a> for AstValidator<'a> { self.check_mod_file_item_asciionly(item.ident); } } - ItemKind::Struct(ref vdata, ref generics) => match vdata { - // Duplicating the `Visitor` logic allows catching all cases - // of `Anonymous(Struct, Union)` outside of a field struct or union. - // - // Inside `visit_ty` the validator catches every `Anonymous(Struct, Union)` it - // encounters, and only on `ItemKind::Struct` and `ItemKind::Union` - // it uses `visit_ty_common`, which doesn't contain that specific check. - VariantData::Struct(ref fields, ..) => { - self.visit_vis(&item.vis); - self.visit_ident(item.ident); - self.visit_generics(generics); - self.with_banned_assoc_ty_bound(|this| { - walk_list!(this, visit_struct_field_def, fields); - }); - walk_list!(self, visit_attribute, &item.attrs); - return; - } - _ => {} - }, - ItemKind::Union(ref vdata, ref generics) => { + ItemKind::Union(ref vdata, ..) => { if vdata.fields().is_empty() { self.err_handler().span_err(item.span, "unions cannot have zero fields"); } - match vdata { - VariantData::Struct(ref fields, ..) => { - self.visit_vis(&item.vis); - self.visit_ident(item.ident); - self.visit_generics(generics); - self.with_banned_assoc_ty_bound(|this| { - walk_list!(this, visit_struct_field_def, fields); - }); - walk_list!(self, visit_attribute, &item.attrs); - return; - } - _ => {} - } } ItemKind::Const(def, .., None) => { self.check_defaultness(item.span, def); @@ -1805,15 +1760,17 @@ pub fn check_crate(session: &Session, krate: &Crate, lints: &mut LintBuffer) -> } /// Used to forbid `let` expressions in certain syntactic locations. -#[derive(Clone, Copy)] +#[derive(Clone, Copy, Subdiagnostic)] pub(crate) enum ForbiddenLetReason { /// `let` is not valid and the source environment is not important GenericForbidden, /// A let chain with the `||` operator - NotSupportedOr(Span), + #[note(not_supported_or)] + NotSupportedOr(#[primary_span] Span), /// A let chain with invalid parentheses /// /// For example, `let 1 = 1 && (expr && expr)` is allowed /// but `(let 1 = 1 && (let 1 = 1 && (let 1 = 1))) && let a = 1` is not - NotSupportedParentheses(Span), + #[note(not_supported_parentheses)] + NotSupportedParentheses(#[primary_span] Span), } diff --git a/compiler/rustc_ast_passes/src/errors.rs b/compiler/rustc_ast_passes/src/errors.rs index ba2ed24fc08..59f582f10d9 100644 --- a/compiler/rustc_ast_passes/src/errors.rs +++ b/compiler/rustc_ast_passes/src/errors.rs @@ -7,7 +7,7 @@ use rustc_span::{Span, Symbol}; use crate::ast_validation::ForbiddenLetReason; #[derive(Diagnostic)] -#[diag(ast_passes::forbidden_let)] +#[diag(ast_passes_forbidden_let)] #[note] pub struct ForbiddenLet { #[primary_span] @@ -16,25 +16,8 @@ pub struct ForbiddenLet { pub(crate) reason: ForbiddenLetReason, } -impl AddToDiagnostic for ForbiddenLetReason { - fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) - where - F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, - { - match self { - Self::GenericForbidden => {} - Self::NotSupportedOr(span) => { - diag.span_note(span, fluent::ast_passes::not_supported_or); - } - Self::NotSupportedParentheses(span) => { - diag.span_note(span, fluent::ast_passes::not_supported_parentheses); - } - } - } -} - #[derive(Diagnostic)] -#[diag(ast_passes::forbidden_let_stable)] +#[diag(ast_passes_forbidden_let_stable)] #[note] pub struct ForbiddenLetStable { #[primary_span] @@ -42,21 +25,21 @@ pub struct ForbiddenLetStable { } #[derive(Diagnostic)] -#[diag(ast_passes::forbidden_assoc_constraint)] +#[diag(ast_passes_forbidden_assoc_constraint)] pub struct ForbiddenAssocConstraint { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(ast_passes::keyword_lifetime)] +#[diag(ast_passes_keyword_lifetime)] pub struct KeywordLifetime { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(ast_passes::invalid_label)] +#[diag(ast_passes_invalid_label)] pub struct InvalidLabel { #[primary_span] pub span: Span, @@ -64,11 +47,11 @@ pub struct InvalidLabel { } #[derive(Diagnostic)] -#[diag(ast_passes::invalid_visibility, code = "E0449")] +#[diag(ast_passes_invalid_visibility, code = "E0449")] pub struct InvalidVisibility { #[primary_span] pub span: Span, - #[label(ast_passes::implied)] + #[label(implied)] pub implied: Option<Span>, #[subdiagnostic] pub note: Option<InvalidVisibilityNote>, @@ -76,14 +59,14 @@ pub struct InvalidVisibility { #[derive(Subdiagnostic)] pub enum InvalidVisibilityNote { - #[note(ast_passes::individual_impl_items)] + #[note(individual_impl_items)] IndividualImplItems, - #[note(ast_passes::individual_foreign_items)] + #[note(individual_foreign_items)] IndividualForeignItems, } #[derive(Diagnostic)] -#[diag(ast_passes::trait_fn_const, code = "E0379")] +#[diag(ast_passes_trait_fn_const, code = "E0379")] pub struct TraitFnConst { #[primary_span] #[label] @@ -91,21 +74,21 @@ pub struct TraitFnConst { } #[derive(Diagnostic)] -#[diag(ast_passes::forbidden_lifetime_bound)] +#[diag(ast_passes_forbidden_lifetime_bound)] pub struct ForbiddenLifetimeBound { #[primary_span] pub spans: Vec<Span>, } #[derive(Diagnostic)] -#[diag(ast_passes::forbidden_non_lifetime_param)] +#[diag(ast_passes_forbidden_non_lifetime_param)] pub struct ForbiddenNonLifetimeParam { #[primary_span] pub spans: Vec<Span>, } #[derive(Diagnostic)] -#[diag(ast_passes::fn_param_too_many)] +#[diag(ast_passes_fn_param_too_many)] pub struct FnParamTooMany { #[primary_span] pub span: Span, @@ -113,21 +96,21 @@ pub struct FnParamTooMany { } #[derive(Diagnostic)] -#[diag(ast_passes::fn_param_c_var_args_only)] +#[diag(ast_passes_fn_param_c_var_args_only)] pub struct FnParamCVarArgsOnly { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(ast_passes::fn_param_c_var_args_not_last)] +#[diag(ast_passes_fn_param_c_var_args_not_last)] pub struct FnParamCVarArgsNotLast { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(ast_passes::fn_param_doc_comment)] +#[diag(ast_passes_fn_param_doc_comment)] pub struct FnParamDocComment { #[primary_span] #[label] @@ -135,14 +118,14 @@ pub struct FnParamDocComment { } #[derive(Diagnostic)] -#[diag(ast_passes::fn_param_forbidden_attr)] +#[diag(ast_passes_fn_param_forbidden_attr)] pub struct FnParamForbiddenAttr { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(ast_passes::fn_param_forbidden_self)] +#[diag(ast_passes_fn_param_forbidden_self)] #[note] pub struct FnParamForbiddenSelf { #[primary_span] @@ -151,7 +134,7 @@ pub struct FnParamForbiddenSelf { } #[derive(Diagnostic)] -#[diag(ast_passes::forbidden_default)] +#[diag(ast_passes_forbidden_default)] pub struct ForbiddenDefault { #[primary_span] pub span: Span, @@ -160,7 +143,7 @@ pub struct ForbiddenDefault { } #[derive(Diagnostic)] -#[diag(ast_passes::assoc_const_without_body)] +#[diag(ast_passes_assoc_const_without_body)] pub struct AssocConstWithoutBody { #[primary_span] pub span: Span, @@ -169,7 +152,7 @@ pub struct AssocConstWithoutBody { } #[derive(Diagnostic)] -#[diag(ast_passes::assoc_fn_without_body)] +#[diag(ast_passes_assoc_fn_without_body)] pub struct AssocFnWithoutBody { #[primary_span] pub span: Span, @@ -178,7 +161,7 @@ pub struct AssocFnWithoutBody { } #[derive(Diagnostic)] -#[diag(ast_passes::assoc_type_without_body)] +#[diag(ast_passes_assoc_type_without_body)] pub struct AssocTypeWithoutBody { #[primary_span] pub span: Span, @@ -187,7 +170,7 @@ pub struct AssocTypeWithoutBody { } #[derive(Diagnostic)] -#[diag(ast_passes::const_without_body)] +#[diag(ast_passes_const_without_body)] pub struct ConstWithoutBody { #[primary_span] pub span: Span, @@ -196,7 +179,7 @@ pub struct ConstWithoutBody { } #[derive(Diagnostic)] -#[diag(ast_passes::static_without_body)] +#[diag(ast_passes_static_without_body)] pub struct StaticWithoutBody { #[primary_span] pub span: Span, @@ -205,7 +188,7 @@ pub struct StaticWithoutBody { } #[derive(Diagnostic)] -#[diag(ast_passes::ty_alias_without_body)] +#[diag(ast_passes_ty_alias_without_body)] pub struct TyAliasWithoutBody { #[primary_span] pub span: Span, @@ -214,7 +197,7 @@ pub struct TyAliasWithoutBody { } #[derive(Diagnostic)] -#[diag(ast_passes::fn_without_body)] +#[diag(ast_passes_fn_without_body)] pub struct FnWithoutBody { #[primary_span] pub span: Span, @@ -243,7 +226,7 @@ impl AddToDiagnostic for ExternBlockSuggestion { let end_suggestion = " }".to_owned(); diag.multipart_suggestion( - fluent::ast_passes::extern_block_suggestion, + fluent::extern_block_suggestion, vec![(self.start_span, start_suggestion), (self.end_span, end_suggestion)], Applicability::MaybeIncorrect, ); diff --git a/compiler/rustc_attr/src/session_diagnostics.rs b/compiler/rustc_attr/src/session_diagnostics.rs index d3e9a16a9a8..edccfa1c8ff 100644 --- a/compiler/rustc_attr/src/session_diagnostics.rs +++ b/compiler/rustc_attr/src/session_diagnostics.rs @@ -10,14 +10,14 @@ use rustc_span::{Span, Symbol}; use crate::UnsupportedLiteralReason; #[derive(Diagnostic)] -#[diag(attr::expected_one_cfg_pattern, code = "E0536")] +#[diag(attr_expected_one_cfg_pattern, code = "E0536")] pub(crate) struct ExpectedOneCfgPattern { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::invalid_predicate, code = "E0537")] +#[diag(attr_invalid_predicate, code = "E0537")] pub(crate) struct InvalidPredicate { #[primary_span] pub span: Span, @@ -26,7 +26,7 @@ pub(crate) struct InvalidPredicate { } #[derive(Diagnostic)] -#[diag(attr::multiple_item, code = "E0538")] +#[diag(attr_multiple_item, code = "E0538")] pub(crate) struct MultipleItem { #[primary_span] pub span: Span, @@ -35,7 +35,7 @@ pub(crate) struct MultipleItem { } #[derive(Diagnostic)] -#[diag(attr::incorrect_meta_item, code = "E0539")] +#[diag(attr_incorrect_meta_item, code = "E0539")] pub(crate) struct IncorrectMetaItem { #[primary_span] pub span: Span, @@ -54,39 +54,39 @@ impl<'a> IntoDiagnostic<'a> for UnknownMetaItem<'_> { let expected = self.expected.iter().map(|name| format!("`{}`", name)).collect::<Vec<_>>(); let mut diag = handler.struct_span_err_with_code( self.span, - fluent::attr::unknown_meta_item, + fluent::attr_unknown_meta_item, error_code!(E0541), ); diag.set_arg("item", self.item); diag.set_arg("expected", expected.join(", ")); - diag.span_label(self.span, fluent::attr::label); + diag.span_label(self.span, fluent::label); diag } } #[derive(Diagnostic)] -#[diag(attr::missing_since, code = "E0542")] +#[diag(attr_missing_since, code = "E0542")] pub(crate) struct MissingSince { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::missing_note, code = "E0543")] +#[diag(attr_missing_note, code = "E0543")] pub(crate) struct MissingNote { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::multiple_stability_levels, code = "E0544")] +#[diag(attr_multiple_stability_levels, code = "E0544")] pub(crate) struct MultipleStabilityLevels { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::invalid_issue_string, code = "E0545")] +#[diag(attr_invalid_issue_string, code = "E0545")] pub(crate) struct InvalidIssueString { #[primary_span] pub span: Span, @@ -99,31 +99,31 @@ pub(crate) struct InvalidIssueString { // translatable. #[derive(Subdiagnostic)] pub(crate) enum InvalidIssueStringCause { - #[label(attr::must_not_be_zero)] + #[label(must_not_be_zero)] MustNotBeZero { #[primary_span] span: Span, }, - #[label(attr::empty)] + #[label(empty)] Empty { #[primary_span] span: Span, }, - #[label(attr::invalid_digit)] + #[label(invalid_digit)] InvalidDigit { #[primary_span] span: Span, }, - #[label(attr::pos_overflow)] + #[label(pos_overflow)] PosOverflow { #[primary_span] span: Span, }, - #[label(attr::neg_overflow)] + #[label(neg_overflow)] NegOverflow { #[primary_span] span: Span, @@ -144,21 +144,21 @@ impl InvalidIssueStringCause { } #[derive(Diagnostic)] -#[diag(attr::missing_feature, code = "E0546")] +#[diag(attr_missing_feature, code = "E0546")] pub(crate) struct MissingFeature { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::non_ident_feature, code = "E0546")] +#[diag(attr_non_ident_feature, code = "E0546")] pub(crate) struct NonIdentFeature { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::missing_issue, code = "E0547")] +#[diag(attr_missing_issue, code = "E0547")] pub(crate) struct MissingIssue { #[primary_span] pub span: Span, @@ -167,7 +167,7 @@ pub(crate) struct MissingIssue { // FIXME: This diagnostic is identical to `IncorrectMetaItem`, barring the error code. Consider // changing this to `IncorrectMetaItem`. See #51489. #[derive(Diagnostic)] -#[diag(attr::incorrect_meta_item, code = "E0551")] +#[diag(attr_incorrect_meta_item, code = "E0551")] pub(crate) struct IncorrectMetaItem2 { #[primary_span] pub span: Span, @@ -176,14 +176,14 @@ pub(crate) struct IncorrectMetaItem2 { // FIXME: Why is this the same error code as `InvalidReprHintNoParen` and `InvalidReprHintNoValue`? // It is more similar to `IncorrectReprFormatGeneric`. #[derive(Diagnostic)] -#[diag(attr::incorrect_repr_format_packed_one_or_zero_arg, code = "E0552")] +#[diag(attr_incorrect_repr_format_packed_one_or_zero_arg, code = "E0552")] pub(crate) struct IncorrectReprFormatPackedOneOrZeroArg { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::invalid_repr_hint_no_paren, code = "E0552")] +#[diag(attr_invalid_repr_hint_no_paren, code = "E0552")] pub(crate) struct InvalidReprHintNoParen { #[primary_span] pub span: Span, @@ -192,7 +192,7 @@ pub(crate) struct InvalidReprHintNoParen { } #[derive(Diagnostic)] -#[diag(attr::invalid_repr_hint_no_value, code = "E0552")] +#[diag(attr_invalid_repr_hint_no_value, code = "E0552")] pub(crate) struct InvalidReprHintNoValue { #[primary_span] pub span: Span, @@ -213,13 +213,13 @@ impl<'a> IntoDiagnostic<'a> for UnsupportedLiteral { let mut diag = handler.struct_span_err_with_code( self.span, match self.reason { - UnsupportedLiteralReason::Generic => fluent::attr::unsupported_literal_generic, - UnsupportedLiteralReason::CfgString => fluent::attr::unsupported_literal_cfg_string, + UnsupportedLiteralReason::Generic => fluent::attr_unsupported_literal_generic, + UnsupportedLiteralReason::CfgString => fluent::attr_unsupported_literal_cfg_string, UnsupportedLiteralReason::DeprecatedString => { - fluent::attr::unsupported_literal_deprecated_string + fluent::attr_unsupported_literal_deprecated_string } UnsupportedLiteralReason::DeprecatedKvPair => { - fluent::attr::unsupported_literal_deprecated_kv_pair + fluent::attr_unsupported_literal_deprecated_kv_pair } }, error_code!(E0565), @@ -227,7 +227,7 @@ impl<'a> IntoDiagnostic<'a> for UnsupportedLiteral { if self.is_bytestr { diag.span_suggestion( self.start_point_span, - fluent::attr::unsupported_literal_suggestion, + fluent::attr_unsupported_literal_suggestion, "", Applicability::MaybeIncorrect, ); @@ -237,7 +237,7 @@ impl<'a> IntoDiagnostic<'a> for UnsupportedLiteral { } #[derive(Diagnostic)] -#[diag(attr::invalid_repr_align_need_arg, code = "E0589")] +#[diag(attr_invalid_repr_align_need_arg, code = "E0589")] pub(crate) struct InvalidReprAlignNeedArg { #[primary_span] #[suggestion(code = "align(...)", applicability = "has-placeholders")] @@ -245,7 +245,7 @@ pub(crate) struct InvalidReprAlignNeedArg { } #[derive(Diagnostic)] -#[diag(attr::invalid_repr_generic, code = "E0589")] +#[diag(attr_invalid_repr_generic, code = "E0589")] pub(crate) struct InvalidReprGeneric<'a> { #[primary_span] pub span: Span, @@ -255,14 +255,14 @@ pub(crate) struct InvalidReprGeneric<'a> { } #[derive(Diagnostic)] -#[diag(attr::incorrect_repr_format_align_one_arg, code = "E0693")] +#[diag(attr_incorrect_repr_format_align_one_arg, code = "E0693")] pub(crate) struct IncorrectReprFormatAlignOneArg { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::incorrect_repr_format_generic, code = "E0693")] +#[diag(attr_incorrect_repr_format_generic, code = "E0693")] pub(crate) struct IncorrectReprFormatGeneric<'a> { #[primary_span] pub span: Span, @@ -275,7 +275,7 @@ pub(crate) struct IncorrectReprFormatGeneric<'a> { #[derive(Subdiagnostic)] pub(crate) enum IncorrectReprFormatGenericCause<'a> { - #[suggestion(attr::suggestion, code = "{name}({int})", applicability = "machine-applicable")] + #[suggestion(suggestion, code = "{name}({int})", applicability = "machine-applicable")] Int { #[primary_span] span: Span, @@ -287,11 +287,7 @@ pub(crate) enum IncorrectReprFormatGenericCause<'a> { int: u128, }, - #[suggestion( - attr::suggestion, - code = "{name}({symbol})", - applicability = "machine-applicable" - )] + #[suggestion(suggestion, code = "{name}({symbol})", applicability = "machine-applicable")] Symbol { #[primary_span] span: Span, @@ -317,28 +313,28 @@ impl<'a> IncorrectReprFormatGenericCause<'a> { } #[derive(Diagnostic)] -#[diag(attr::rustc_promotable_pairing, code = "E0717")] +#[diag(attr_rustc_promotable_pairing, code = "E0717")] pub(crate) struct RustcPromotablePairing { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::rustc_allowed_unstable_pairing, code = "E0789")] +#[diag(attr_rustc_allowed_unstable_pairing, code = "E0789")] pub(crate) struct RustcAllowedUnstablePairing { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::cfg_predicate_identifier)] +#[diag(attr_cfg_predicate_identifier)] pub(crate) struct CfgPredicateIdentifier { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::deprecated_item_suggestion)] +#[diag(attr_deprecated_item_suggestion)] pub(crate) struct DeprecatedItemSuggestion { #[primary_span] pub span: Span, @@ -351,21 +347,21 @@ pub(crate) struct DeprecatedItemSuggestion { } #[derive(Diagnostic)] -#[diag(attr::expected_single_version_literal)] +#[diag(attr_expected_single_version_literal)] pub(crate) struct ExpectedSingleVersionLiteral { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::expected_version_literal)] +#[diag(attr_expected_version_literal)] pub(crate) struct ExpectedVersionLiteral { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::expects_feature_list)] +#[diag(attr_expects_feature_list)] pub(crate) struct ExpectsFeatureList { #[primary_span] pub span: Span, @@ -374,7 +370,7 @@ pub(crate) struct ExpectsFeatureList { } #[derive(Diagnostic)] -#[diag(attr::expects_features)] +#[diag(attr_expects_features)] pub(crate) struct ExpectsFeatures { #[primary_span] pub span: Span, @@ -383,14 +379,14 @@ pub(crate) struct ExpectsFeatures { } #[derive(Diagnostic)] -#[diag(attr::soft_no_args)] +#[diag(attr_soft_no_args)] pub(crate) struct SoftNoArgs { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(attr::unknown_version_literal)] +#[diag(attr_unknown_version_literal)] pub(crate) struct UnknownVersionLiteral { #[primary_span] pub span: Span, diff --git a/compiler/rustc_borrowck/src/diagnostics/region_name.rs b/compiler/rustc_borrowck/src/diagnostics/region_name.rs index 4d251cf7ac7..c044dbaba47 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_name.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_name.rs @@ -251,7 +251,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { .or_else(|| self.give_name_if_anonymous_region_appears_in_upvars(fr)) .or_else(|| self.give_name_if_anonymous_region_appears_in_output(fr)) .or_else(|| self.give_name_if_anonymous_region_appears_in_yield_ty(fr)) - .or_else(|| self.give_name_if_anonymous_region_appears_in_impl_signature(fr)); + .or_else(|| self.give_name_if_anonymous_region_appears_in_impl_signature(fr)) + .or_else(|| self.give_name_if_anonymous_region_appears_in_arg_position_impl_trait(fr)); if let Some(ref value) = value { self.region_names.try_borrow_mut().unwrap().insert(fr, value.clone()); @@ -869,13 +870,8 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { return None; } - let mut found = false; - tcx.fold_regions(tcx.type_of(region_parent), |r: ty::Region<'tcx>, _| { - if *r == ty::ReEarlyBound(region) { - found = true; - } - r - }); + let found = tcx + .any_free_region_meets(&tcx.type_of(region_parent), |r| *r == ty::ReEarlyBound(region)); Some(RegionName { name: self.synthesize_region_name(), @@ -888,4 +884,92 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { ), }) } + + fn give_name_if_anonymous_region_appears_in_arg_position_impl_trait( + &self, + fr: RegionVid, + ) -> Option<RegionName> { + let ty::ReEarlyBound(region) = *self.to_error_region(fr)? else { + return None; + }; + if region.has_name() { + return None; + }; + + let predicates = self + .infcx + .tcx + .predicates_of(self.body.source.def_id()) + .instantiate_identity(self.infcx.tcx) + .predicates; + + if let Some(upvar_index) = self + .regioncx + .universal_regions() + .defining_ty + .upvar_tys() + .position(|ty| self.any_param_predicate_mentions(&predicates, ty, region)) + { + let (upvar_name, upvar_span) = self.regioncx.get_upvar_name_and_span_for_region( + self.infcx.tcx, + &self.upvars, + upvar_index, + ); + let region_name = self.synthesize_region_name(); + + Some(RegionName { + name: region_name, + source: RegionNameSource::AnonRegionFromUpvar(upvar_span, upvar_name), + }) + } else if let Some(arg_index) = self + .regioncx + .universal_regions() + .unnormalized_input_tys + .iter() + .position(|ty| self.any_param_predicate_mentions(&predicates, *ty, region)) + { + let (arg_name, arg_span) = self.regioncx.get_argument_name_and_span_for_region( + self.body, + &self.local_names, + arg_index, + ); + let region_name = self.synthesize_region_name(); + + Some(RegionName { + name: region_name, + source: RegionNameSource::AnonRegionFromArgument( + RegionNameHighlight::CannotMatchHirTy(arg_span, arg_name?.to_string()), + ), + }) + } else { + None + } + } + + fn any_param_predicate_mentions( + &self, + predicates: &[ty::Predicate<'tcx>], + ty: Ty<'tcx>, + region: ty::EarlyBoundRegion, + ) -> bool { + let tcx = self.infcx.tcx; + ty.walk().any(|arg| { + if let ty::GenericArgKind::Type(ty) = arg.unpack() + && let ty::Param(_) = ty.kind() + { + predicates.iter().any(|pred| { + match pred.kind().skip_binder() { + ty::PredicateKind::Trait(data) if data.self_ty() == ty => {} + ty::PredicateKind::Projection(data) if data.projection_ty.self_ty() == ty => {} + _ => return false, + } + tcx.any_free_region_meets(pred, |r| { + *r == ty::ReEarlyBound(region) + }) + }) + } else { + false + } + }) + } } diff --git a/compiler/rustc_borrowck/src/session_diagnostics.rs b/compiler/rustc_borrowck/src/session_diagnostics.rs index ff667896eb1..cff3089c397 100644 --- a/compiler/rustc_borrowck/src/session_diagnostics.rs +++ b/compiler/rustc_borrowck/src/session_diagnostics.rs @@ -6,7 +6,7 @@ use rustc_span::Span; use crate::diagnostics::RegionName; #[derive(Diagnostic)] -#[diag(borrowck::move_unsized, code = "E0161")] +#[diag(borrowck_move_unsized, code = "E0161")] pub(crate) struct MoveUnsized<'tcx> { pub ty: Ty<'tcx>, #[primary_span] @@ -15,7 +15,7 @@ pub(crate) struct MoveUnsized<'tcx> { } #[derive(Diagnostic)] -#[diag(borrowck::higher_ranked_lifetime_error)] +#[diag(borrowck_higher_ranked_lifetime_error)] pub(crate) struct HigherRankedLifetimeError { #[subdiagnostic] pub cause: Option<HigherRankedErrorCause>, @@ -25,21 +25,21 @@ pub(crate) struct HigherRankedLifetimeError { #[derive(Subdiagnostic)] pub(crate) enum HigherRankedErrorCause { - #[note(borrowck::could_not_prove)] + #[note(borrowck_could_not_prove)] CouldNotProve { predicate: String }, - #[note(borrowck::could_not_normalize)] + #[note(borrowck_could_not_normalize)] CouldNotNormalize { value: String }, } #[derive(Diagnostic)] -#[diag(borrowck::higher_ranked_subtype_error)] +#[diag(borrowck_higher_ranked_subtype_error)] pub(crate) struct HigherRankedSubtypeError { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(borrowck::generic_does_not_live_long_enough)] +#[diag(borrowck_generic_does_not_live_long_enough)] pub(crate) struct GenericDoesNotLiveLongEnough { pub kind: String, #[primary_span] @@ -47,15 +47,15 @@ pub(crate) struct GenericDoesNotLiveLongEnough { } #[derive(LintDiagnostic)] -#[diag(borrowck::var_does_not_need_mut)] +#[diag(borrowck_var_does_not_need_mut)] pub(crate) struct VarNeedNotMut { #[suggestion_short(applicability = "machine-applicable", code = "")] pub span: Span, } #[derive(Diagnostic)] -#[diag(borrowck::var_cannot_escape_closure)] +#[diag(borrowck_var_cannot_escape_closure)] #[note] -#[note(borrowck::cannot_escape)] +#[note(cannot_escape)] pub(crate) struct FnMutError { #[primary_span] pub span: Span, @@ -65,17 +65,17 @@ pub(crate) struct FnMutError { #[derive(Subdiagnostic)] pub(crate) enum VarHereDenote { - #[label(borrowck::var_here_captured)] + #[label(borrowck_var_here_captured)] Captured { #[primary_span] span: Span, }, - #[label(borrowck::var_here_defined)] + #[label(borrowck_var_here_defined)] Defined { #[primary_span] span: Span, }, - #[label(borrowck::closure_inferred_mut)] + #[label(borrowck_closure_inferred_mut)] FnMutInferred { #[primary_span] span: Span, @@ -84,17 +84,17 @@ pub(crate) enum VarHereDenote { #[derive(Subdiagnostic)] pub(crate) enum FnMutReturnTypeErr { - #[label(borrowck::returned_closure_escaped)] + #[label(borrowck_returned_closure_escaped)] ReturnClosure { #[primary_span] span: Span, }, - #[label(borrowck::returned_async_block_escaped)] + #[label(borrowck_returned_async_block_escaped)] ReturnAsyncBlock { #[primary_span] span: Span, }, - #[label(borrowck::returned_ref_escaped)] + #[label(borrowck_returned_ref_escaped)] ReturnRef { #[primary_span] span: Span, @@ -102,7 +102,7 @@ pub(crate) enum FnMutReturnTypeErr { } #[derive(Diagnostic)] -#[diag(borrowck::lifetime_constraints_error)] +#[diag(borrowck_lifetime_constraints_error)] pub(crate) struct LifetimeOutliveErr { #[primary_span] pub span: Span, @@ -110,7 +110,7 @@ pub(crate) struct LifetimeOutliveErr { #[derive(Subdiagnostic)] pub(crate) enum LifetimeReturnCategoryErr<'a> { - #[label(borrowck::returned_lifetime_wrong)] + #[label(borrowck_returned_lifetime_wrong)] WrongReturn { #[primary_span] span: Span, @@ -118,7 +118,7 @@ pub(crate) enum LifetimeReturnCategoryErr<'a> { outlived_fr_name: RegionName, fr_name: &'a RegionName, }, - #[label(borrowck::returned_lifetime_short)] + #[label(borrowck_returned_lifetime_short)] ShortReturn { #[primary_span] span: Span, @@ -142,7 +142,7 @@ impl IntoDiagnosticArg for RegionName { #[derive(Subdiagnostic)] pub(crate) enum RequireStaticErr { - #[note(borrowck::used_impl_require_static)] + #[note(borrowck_used_impl_require_static)] UsedImpl { #[primary_span] multi_span: MultiSpan, diff --git a/compiler/rustc_builtin_macros/src/cfg.rs b/compiler/rustc_builtin_macros/src/cfg.rs index 46b54eae384..5638c2f6180 100644 --- a/compiler/rustc_builtin_macros/src/cfg.rs +++ b/compiler/rustc_builtin_macros/src/cfg.rs @@ -36,7 +36,7 @@ pub fn expand_cfg( } #[derive(Diagnostic)] -#[diag(builtin_macros::requires_cfg_pattern)] +#[diag(builtin_macros_requires_cfg_pattern)] struct RequiresCfgPattern { #[primary_span] #[label] @@ -44,7 +44,7 @@ struct RequiresCfgPattern { } #[derive(Diagnostic)] -#[diag(builtin_macros::expected_one_cfg_pattern)] +#[diag(builtin_macros_expected_one_cfg_pattern)] struct OneCfgPattern { #[primary_span] span: Span, diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs index 705141614e2..fee5d04cdae 100644 --- a/compiler/rustc_builtin_macros/src/test.rs +++ b/compiler/rustc_builtin_macros/src/test.rs @@ -36,13 +36,22 @@ pub fn expand_test_case( let sp = ecx.with_def_site_ctxt(attr_sp); let mut item = anno_item.expect_item(); item = item.map(|mut item| { + let test_path_symbol = Symbol::intern(&item_path( + // skip the name of the root module + &ecx.current_expansion.module.mod_path[1..], + &item.ident, + )); item.vis = ast::Visibility { span: item.vis.span, kind: ast::VisibilityKind::Public, tokens: None, }; item.ident.span = item.ident.span.with_ctxt(sp.ctxt()); - item.attrs.push(ecx.attribute(ecx.meta_word(sp, sym::rustc_test_marker))); + item.attrs.push(ecx.attribute(attr::mk_name_value_item_str( + Ident::new(sym::rustc_test_marker, sp), + test_path_symbol, + sp, + ))); item }); @@ -215,6 +224,12 @@ pub fn expand_test_or_bench( ) }; + let test_path_symbol = Symbol::intern(&item_path( + // skip the name of the root module + &cx.current_expansion.module.mod_path[1..], + &item.ident, + )); + let mut test_const = cx.item( sp, Ident::new(item.ident.name, sp), @@ -224,9 +239,14 @@ pub fn expand_test_or_bench( Ident::new(sym::cfg, attr_sp), vec![attr::mk_nested_word_item(Ident::new(sym::test, attr_sp))], )), - // #[rustc_test_marker] - cx.attribute(cx.meta_word(attr_sp, sym::rustc_test_marker)), - ], + // #[rustc_test_marker = "test_case_sort_key"] + cx.attribute(attr::mk_name_value_item_str( + Ident::new(sym::rustc_test_marker, attr_sp), + test_path_symbol, + attr_sp, + )), + ] + .into(), // const $ident: test::TestDescAndFn = ast::ItemKind::Const( ast::Defaultness::Final, @@ -250,14 +270,7 @@ pub fn expand_test_or_bench( cx.expr_call( sp, cx.expr_path(test_path("StaticTestName")), - vec![cx.expr_str( - sp, - Symbol::intern(&item_path( - // skip the name of the root module - &cx.current_expansion.module.mod_path[1..], - &item.ident, - )), - )], + vec![cx.expr_str(sp, test_path_symbol)], ), ), // ignore: true | false diff --git a/compiler/rustc_builtin_macros/src/test_harness.rs b/compiler/rustc_builtin_macros/src/test_harness.rs index 561ca00c719..b8b8351a36f 100644 --- a/compiler/rustc_builtin_macros/src/test_harness.rs +++ b/compiler/rustc_builtin_macros/src/test_harness.rs @@ -18,9 +18,11 @@ use thin_vec::thin_vec; use std::{iter, mem}; +#[derive(Clone)] struct Test { span: Span, ident: Ident, + name: Symbol, } struct TestCtxt<'a> { @@ -120,10 +122,10 @@ impl<'a> MutVisitor for TestHarnessGenerator<'a> { fn flat_map_item(&mut self, i: P<ast::Item>) -> SmallVec<[P<ast::Item>; 1]> { let mut item = i.into_inner(); - if is_test_case(&self.cx.ext_cx.sess, &item) { + if let Some(name) = get_test_name(&self.cx.ext_cx.sess, &item) { debug!("this is a test item"); - let test = Test { span: item.span, ident: item.ident }; + let test = Test { span: item.span, ident: item.ident, name }; self.tests.push(test); } @@ -357,9 +359,12 @@ fn mk_tests_slice(cx: &TestCtxt<'_>, sp: Span) -> P<ast::Expr> { debug!("building test vector from {} tests", cx.test_cases.len()); let ecx = &cx.ext_cx; + let mut tests = cx.test_cases.clone(); + tests.sort_by(|a, b| a.name.as_str().cmp(&b.name.as_str())); + ecx.expr_array_ref( sp, - cx.test_cases + tests .iter() .map(|test| { ecx.expr_addr_of(test.span, ecx.expr_path(ecx.path(test.span, vec![test.ident]))) @@ -368,8 +373,8 @@ fn mk_tests_slice(cx: &TestCtxt<'_>, sp: Span) -> P<ast::Expr> { ) } -fn is_test_case(sess: &Session, i: &ast::Item) -> bool { - sess.contains_name(&i.attrs, sym::rustc_test_marker) +fn get_test_name(sess: &Session, i: &ast::Item) -> Option<Symbol> { + sess.first_attr_value_str_by_name(&i.attrs, sym::rustc_test_marker) } fn get_test_runner( diff --git a/compiler/rustc_codegen_cranelift/.github/workflows/main.yml b/compiler/rustc_codegen_cranelift/.github/workflows/main.yml index e8897e9ae81..5061010c86c 100644 --- a/compiler/rustc_codegen_cranelift/.github/workflows/main.yml +++ b/compiler/rustc_codegen_cranelift/.github/workflows/main.yml @@ -29,7 +29,11 @@ jobs: matrix: include: - os: ubuntu-latest + env: + TARGET_TRIPLE: x86_64-unknown-linux-gnu - os: macos-latest + env: + TARGET_TRIPLE: x86_64-apple-darwin # cross-compile from Linux to Windows using mingw - os: ubuntu-latest env: @@ -112,7 +116,7 @@ jobs: if: matrix.env.TARGET_TRIPLE != 'x86_64-pc-windows-gnu' uses: actions/upload-artifact@v2 with: - name: cg_clif-${{ runner.os }} + name: cg_clif-${{ matrix.env.TARGET_TRIPLE }} path: cg_clif.tar.xz - name: Upload prebuilt cg_clif (cross compile) @@ -122,56 +126,89 @@ jobs: name: cg_clif-${{ runner.os }}-cross-x86_64-mingw path: cg_clif.tar.xz - build_windows: - runs-on: windows-latest + windows: + runs-on: ${{ matrix.os }} timeout-minutes: 60 + strategy: + fail-fast: false + matrix: + include: + # Native Windows build with MSVC + - os: windows-latest + env: + TARGET_TRIPLE: x86_64-pc-windows-msvc + # cross-compile from Windows to Windows MinGW + - os: windows-latest + env: + TARGET_TRIPLE: x86_64-pc-windows-gnu + steps: - uses: actions/checkout@v3 - #- name: Cache cargo installed crates - # uses: actions/cache@v2 - # with: - # path: ~/.cargo/bin - # key: ${{ runner.os }}-cargo-installed-crates - - #- name: Cache cargo registry and index - # uses: actions/cache@v2 - # with: - # path: | - # ~/.cargo/registry - # ~/.cargo/git - # key: ${{ runner.os }}-cargo-registry-and-index-${{ hashFiles('**/Cargo.lock') }} - - #- name: Cache cargo target dir - # uses: actions/cache@v2 - # with: - # path: target - # key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('rust-toolchain', '**/Cargo.lock') }} + - name: Cache cargo installed crates + uses: actions/cache@v2 + with: + path: ~/.cargo/bin + key: ${{ runner.os }}-${{ matrix.env.TARGET_TRIPLE }}-cargo-installed-crates + + - name: Cache cargo registry and index + uses: actions/cache@v2 + with: + path: | + ~/.cargo/registry + ~/.cargo/git + key: ${{ runner.os }}-${{ matrix.env.TARGET_TRIPLE }}-cargo-registry-and-index-${{ hashFiles('**/Cargo.lock') }} + + - name: Cache cargo target dir + uses: actions/cache@v2 + with: + path: target + key: ${{ runner.os }}-${{ matrix.env.TARGET_TRIPLE }}-cargo-build-target-${{ hashFiles('rust-toolchain', '**/Cargo.lock') }} + + - name: Set MinGW as the default toolchain + if: matrix.env.TARGET_TRIPLE == 'x86_64-pc-windows-gnu' + run: rustup set default-host x86_64-pc-windows-gnu - name: Prepare dependencies run: | git config --global user.email "user@example.com" git config --global user.name "User" git config --global core.autocrlf false - rustup set default-host x86_64-pc-windows-gnu rustc y.rs -o y.exe -g ./y.exe prepare + - name: Build without unstable features + env: + TARGET_TRIPLE: ${{ matrix.env.TARGET_TRIPLE }} + # This is the config rust-lang/rust uses for builds + run: ./y.rs build --no-unstable-features + - name: Build - #name: Test + run: ./y.rs build --sysroot none + + - name: Test run: | # Enable backtraces for easier debugging - #$Env:RUST_BACKTRACE=1 + $Env:RUST_BACKTRACE=1 # Reduce amount of benchmark runs as they are slow - #$Env:COMPILE_RUNS=2 - #$Env:RUN_RUNS=2 + $Env:COMPILE_RUNS=2 + $Env:RUN_RUNS=2 # Enable extra checks - #$Env:CG_CLIF_ENABLE_VERIFIER=1 - - ./y.exe build + $Env:CG_CLIF_ENABLE_VERIFIER=1 + + # WIP Disable some tests + + # This fails due to some weird argument handling by hyperfine, not an actual regression + # more of a build system issue + (Get-Content config.txt) -replace '(bench.simple-raytracer)', '# $1' | Out-File config.txt + + # This fails with a different output than expected + (Get-Content config.txt) -replace '(test.regex-shootout-regex-dna)', '# $1' | Out-File config.txt + + ./y.exe test - name: Package prebuilt cg_clif # don't use compression as xzip isn't supported by tar on windows and bzip2 hangs @@ -180,5 +217,5 @@ jobs: - name: Upload prebuilt cg_clif uses: actions/upload-artifact@v2 with: - name: cg_clif-${{ runner.os }} + name: cg_clif-${{ matrix.env.TARGET_TRIPLE }} path: cg_clif.tar diff --git a/compiler/rustc_codegen_cranelift/.gitignore b/compiler/rustc_codegen_cranelift/.gitignore index 6fd3e4443de..fae09592c6a 100644 --- a/compiler/rustc_codegen_cranelift/.gitignore +++ b/compiler/rustc_codegen_cranelift/.gitignore @@ -15,8 +15,4 @@ perf.data.old /build_sysroot/compiler-builtins /build_sysroot/rustc_version /rust -/rand -/regex -/simple-raytracer -/portable-simd -/abi-checker +/download diff --git a/compiler/rustc_codegen_cranelift/.vscode/settings.json b/compiler/rustc_codegen_cranelift/.vscode/settings.json index d88309e412e..13301bf20a5 100644 --- a/compiler/rustc_codegen_cranelift/.vscode/settings.json +++ b/compiler/rustc_codegen_cranelift/.vscode/settings.json @@ -7,7 +7,7 @@ "rust-analyzer.cargo.features": ["unstable-features"], "rust-analyzer.linkedProjects": [ "./Cargo.toml", - //"./build_sysroot/sysroot_src/src/libstd/Cargo.toml", + //"./build_sysroot/sysroot_src/library/std/Cargo.toml", { "roots": [ "./example/mini_core.rs", @@ -36,10 +36,10 @@ ] }, { - "roots": ["./scripts/filter_profile.rs"], + "roots": ["./example/std_example.rs"], "crates": [ { - "root_module": "./scripts/filter_profile.rs", + "root_module": "./example/std_example.rs", "edition": "2018", "deps": [{ "crate": 1, "name": "std" }], "cfg": [], diff --git a/compiler/rustc_codegen_cranelift/Cargo.lock b/compiler/rustc_codegen_cranelift/Cargo.lock index edae7e47157..3fa9d56cd01 100644 --- a/compiler/rustc_codegen_cranelift/Cargo.lock +++ b/compiler/rustc_codegen_cranelift/Cargo.lock @@ -25,6 +25,12 @@ version = "0.8.0" source = "git+https://github.com/bjorn3/rust-ar.git?branch=do_not_remove_cg_clif_ranlib#de9ab0e56bf3a208381d342aa5b60f9ff2891648" [[package]] +name = "arrayvec" +version = "0.7.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6" + +[[package]] name = "autocfg" version = "1.1.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -37,6 +43,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" [[package]] +name = "bumpalo" +version = "3.11.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "c1ad822118d20d2c234f427000d5acc36eabe1e29a348c89b63dd60b13f28e5d" + +[[package]] name = "byteorder" version = "1.4.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -50,19 +62,21 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" [[package]] name = "cranelift-bforest" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "93945adbccc8d731503d3038814a51e8317497c9e205411820348132fa01a358" +checksum = "44409ccf2d0f663920cab563d2b79fcd6b2e9a2bcc6e929fef76c8f82ad6c17a" dependencies = [ "cranelift-entity", ] [[package]] name = "cranelift-codegen" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2b482acc9d0d0d1ad3288a90a8150ee648be3dce8dc8c8669ff026f72debdc31" +checksum = "98de2018ad96eb97f621f7d6b900a0cc661aec8d02ea4a50e56ecb48e5a2fcaf" dependencies = [ + "arrayvec", + "bumpalo", "cranelift-bforest", "cranelift-codegen-meta", "cranelift-codegen-shared", @@ -77,30 +91,30 @@ dependencies = [ [[package]] name = "cranelift-codegen-meta" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f9ec188d71e663192ef9048f204e410a7283b609942efc9fcc77da6d496edbb8" +checksum = "5287ce36e6c4758fbaf298bd1a8697ad97a4f2375a3d1b61142ea538db4877e5" dependencies = [ "cranelift-codegen-shared", ] [[package]] name = "cranelift-codegen-shared" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3ad794b1b1c2c7bd9f7b76cfe0f084eaf7753e55d56191c3f7d89e8fa4978b99" +checksum = "2855c24219e2f08827f3f4ffb2da92e134ae8d8ecc185b11ec8f9878cf5f588e" [[package]] name = "cranelift-entity" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "342da0d5056f4119d3c311c4aab2460ceb6ee6e127bb395b76dd2279a09ea7a5" +checksum = "0b65673279d75d34bf11af9660ae2dbd1c22e6d28f163f5c72f4e1dc56d56103" [[package]] name = "cranelift-frontend" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dfff792f775b07d4d9cfe9f1c767ce755c6cbadda1bbd6db18a1c75ff9f7376a" +checksum = "3ed2b3d7a4751163f6c4a349205ab1b7d9c00eecf19dcea48592ef1f7688eefc" dependencies = [ "cranelift-codegen", "log", @@ -110,15 +124,15 @@ dependencies = [ [[package]] name = "cranelift-isle" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8d51089478849f2ac8ef60a8a2d5346c8d4abfec0e45ac5b24530ef9f9499e1e" +checksum = "3be64cecea9d90105fc6a2ba2d003e98c867c1d6c4c86cc878f97ad9fb916293" [[package]] name = "cranelift-jit" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "095936e41720f86004b4c57ce88e6a13af28646bb3a6fb4afbebd5ae90c50029" +checksum = "f98ed42a70a0c9c388e34ec9477f57fc7300f541b1e5136a0e2ea02b1fac6015" dependencies = [ "anyhow", "cranelift-codegen", @@ -134,9 +148,9 @@ dependencies = [ [[package]] name = "cranelift-module" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "704a1aea4723d97eafe0fb7af110f6f6868b1ac95f5380bbc9adb2a3b8cf97e8" +checksum = "d658ac7f156708bfccb647216cc8b9387469f50d352ba4ad80150541e4ae2d49" dependencies = [ "anyhow", "cranelift-codegen", @@ -144,9 +158,9 @@ dependencies = [ [[package]] name = "cranelift-native" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "885debe62f2078638d6585f54c9f05f5c2008f22ce5a2a9100ada785fc065dbd" +checksum = "c4a03a6ac1b063e416ca4b93f6247978c991475e8271465340caa6f92f3c16a4" dependencies = [ "cranelift-codegen", "libc", @@ -155,9 +169,9 @@ dependencies = [ [[package]] name = "cranelift-object" -version = "0.87.0" +version = "0.88.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aac1310cf1081ae8eca916c92cd163b977c77cab6e831fa812273c26ff921816" +checksum = "eef0b4119b645b870a43a036d76c0ada3a076b1f82e8b8487659304c8b09049b" dependencies = [ "anyhow", "cranelift-codegen", @@ -232,9 +246,9 @@ checksum = "505e71a4706fa491e9b1b55f51b95d4037d0821ee40131190475f692b35b009b" [[package]] name = "libloading" -version = "0.6.7" +version = "0.7.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "351a32417a12d5f7e82c368a66781e307834dae04c6ce0cd4456d52989229883" +checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd" dependencies = [ "cfg-if", "winapi", diff --git a/compiler/rustc_codegen_cranelift/Cargo.toml b/compiler/rustc_codegen_cranelift/Cargo.toml index e7c34274854..09cf5b4a1ed 100644 --- a/compiler/rustc_codegen_cranelift/Cargo.toml +++ b/compiler/rustc_codegen_cranelift/Cargo.toml @@ -8,19 +8,19 @@ crate-type = ["dylib"] [dependencies] # These have to be in sync with each other -cranelift-codegen = { version = "0.87.0", features = ["unwind", "all-arch"] } -cranelift-frontend = "0.87.0" -cranelift-module = "0.87.0" -cranelift-native = "0.87.0" -cranelift-jit = { version = "0.87.0", optional = true } -cranelift-object = "0.87.0" +cranelift-codegen = { version = "0.88.1", features = ["unwind", "all-arch"] } +cranelift-frontend = "0.88.1" +cranelift-module = "0.88.1" +cranelift-native = "0.88.1" +cranelift-jit = { version = "0.88.1", optional = true } +cranelift-object = "0.88.1" target-lexicon = "0.12.0" gimli = { version = "0.26.0", default-features = false, features = ["write"]} object = { version = "0.29.0", default-features = false, features = ["std", "read_core", "write", "archive", "coff", "elf", "macho", "pe"] } ar = { git = "https://github.com/bjorn3/rust-ar.git", branch = "do_not_remove_cg_clif_ranlib" } indexmap = "1.9.1" -libloading = { version = "0.6.0", optional = true } +libloading = { version = "0.7.3", optional = true } once_cell = "1.10.0" smallvec = "1.8.1" diff --git a/compiler/rustc_codegen_cranelift/build_sysroot/Cargo.lock b/compiler/rustc_codegen_cranelift/build_sysroot/Cargo.lock index 6c5043bb6f8..f6a9cb67290 100644 --- a/compiler/rustc_codegen_cranelift/build_sysroot/Cargo.lock +++ b/compiler/rustc_codegen_cranelift/build_sysroot/Cargo.lock @@ -55,10 +55,20 @@ dependencies = [ ] [[package]] +name = "cfg-if" +version = "1.0.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" +dependencies = [ + "compiler_builtins", + "rustc-std-workspace-core", +] + +[[package]] name = "compiler_builtins" -version = "0.1.79" +version = "0.1.82" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4f873ce2bd3550b0b565f878b3d04ea8253f4259dc3d20223af2e1ba86f5ecca" +checksum = "18cd7635fea7bb481ea543b392789844c1ad581299da70184c7175ce3af76603" dependencies = [ "rustc-std-workspace-core", ] @@ -123,9 +133,9 @@ dependencies = [ [[package]] name = "hermit-abi" -version = "0.2.5" +version = "0.2.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "897cd85af6387be149f55acf168e41be176a02de7872403aaab184afc2f327e6" +checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7" dependencies = [ "compiler_builtins", "libc", @@ -135,9 +145,9 @@ dependencies = [ [[package]] name = "libc" -version = "0.2.132" +version = "0.2.135" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5" +checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c" dependencies = [ "rustc-std-workspace-core", ] @@ -182,7 +192,7 @@ name = "panic_abort" version = "0.0.0" dependencies = [ "alloc", - "cfg-if", + "cfg-if 0.1.10", "compiler_builtins", "core", "libc", @@ -193,7 +203,7 @@ name = "panic_unwind" version = "0.0.0" dependencies = [ "alloc", - "cfg-if", + "cfg-if 0.1.10", "compiler_builtins", "core", "libc", @@ -245,7 +255,7 @@ version = "0.0.0" dependencies = [ "addr2line", "alloc", - "cfg-if", + "cfg-if 1.0.0", "compiler_builtins", "core", "dlmalloc", @@ -267,7 +277,7 @@ dependencies = [ name = "std_detect" version = "0.1.5" dependencies = [ - "cfg-if", + "cfg-if 1.0.0", "compiler_builtins", "libc", "rustc-std-workspace-alloc", @@ -289,7 +299,7 @@ dependencies = [ name = "test" version = "0.0.0" dependencies = [ - "cfg-if", + "cfg-if 0.1.10", "core", "getopts", "libc", @@ -301,9 +311,9 @@ dependencies = [ [[package]] name = "unicode-width" -version = "0.1.9" +version = "0.1.10" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973" +checksum = "c0edd1e5b14653f783770bce4a4dabb4a5108a5370a5f5d8cfe8710c361f6c8b" dependencies = [ "compiler_builtins", "rustc-std-workspace-core", @@ -315,7 +325,7 @@ name = "unwind" version = "0.0.0" dependencies = [ "cc", - "cfg-if", + "cfg-if 0.1.10", "compiler_builtins", "core", "libc", diff --git a/compiler/rustc_codegen_cranelift/build_system/abi_cafe.rs b/compiler/rustc_codegen_cranelift/build_system/abi_cafe.rs new file mode 100644 index 00000000000..fae5b271636 --- /dev/null +++ b/compiler/rustc_codegen_cranelift/build_system/abi_cafe.rs @@ -0,0 +1,52 @@ +use std::env; +use std::path::Path; + +use super::build_sysroot; +use super::config; +use super::prepare; +use super::utils::{cargo_command, spawn_and_wait}; +use super::SysrootKind; + +pub(crate) fn run( + channel: &str, + sysroot_kind: SysrootKind, + target_dir: &Path, + cg_clif_dylib: &Path, + host_triple: &str, + target_triple: &str, +) { + if !config::get_bool("testsuite.abi-cafe") { + eprintln!("[SKIP] abi-cafe"); + return; + } + + if host_triple != target_triple { + eprintln!("[SKIP] abi-cafe (cross-compilation not supported)"); + return; + } + + eprintln!("Building sysroot for abi-cafe"); + build_sysroot::build_sysroot( + channel, + sysroot_kind, + target_dir, + cg_clif_dylib, + host_triple, + target_triple, + ); + + eprintln!("Running abi-cafe"); + let abi_cafe_path = prepare::ABI_CAFE.source_dir(); + env::set_current_dir(abi_cafe_path.clone()).unwrap(); + + let pairs = ["rustc_calls_cgclif", "cgclif_calls_rustc", "cgclif_calls_cc", "cc_calls_cgclif"]; + + let mut cmd = cargo_command("cargo", "run", Some(target_triple), &abi_cafe_path); + cmd.arg("--"); + cmd.arg("--pairs"); + cmd.args(pairs); + cmd.arg("--add-rustc-codegen-backend"); + cmd.arg(format!("cgclif:{}", cg_clif_dylib.display())); + + spawn_and_wait(cmd); +} diff --git a/compiler/rustc_codegen_cranelift/build_system/abi_checker.rs b/compiler/rustc_codegen_cranelift/build_system/abi_checker.rs deleted file mode 100644 index 67dbd0a38a4..00000000000 --- a/compiler/rustc_codegen_cranelift/build_system/abi_checker.rs +++ /dev/null @@ -1,60 +0,0 @@ -use super::build_sysroot; -use super::config; -use super::utils::spawn_and_wait; -use build_system::SysrootKind; -use std::env; -use std::path::Path; -use std::process::Command; - -pub(crate) fn run( - channel: &str, - sysroot_kind: SysrootKind, - target_dir: &Path, - cg_clif_build_dir: &Path, - host_triple: &str, - target_triple: &str, -) { - if !config::get_bool("testsuite.abi-checker") { - eprintln!("[SKIP] abi-checker"); - return; - } - - if host_triple != target_triple { - eprintln!("[SKIP] abi-checker (cross-compilation not supported)"); - return; - } - - eprintln!("Building sysroot for abi-checker"); - build_sysroot::build_sysroot( - channel, - sysroot_kind, - target_dir, - cg_clif_build_dir, - host_triple, - target_triple, - ); - - eprintln!("Running abi-checker"); - let mut abi_checker_path = env::current_dir().unwrap(); - abi_checker_path.push("abi-checker"); - env::set_current_dir(abi_checker_path.clone()).unwrap(); - - let build_dir = abi_checker_path.parent().unwrap().join("build"); - let cg_clif_dylib_path = build_dir.join(if cfg!(windows) { "bin" } else { "lib" }).join( - env::consts::DLL_PREFIX.to_string() + "rustc_codegen_cranelift" + env::consts::DLL_SUFFIX, - ); - - let pairs = ["rustc_calls_cgclif", "cgclif_calls_rustc", "cgclif_calls_cc", "cc_calls_cgclif"]; - - let mut cmd = Command::new("cargo"); - cmd.arg("run"); - cmd.arg("--target"); - cmd.arg(target_triple); - cmd.arg("--"); - cmd.arg("--pairs"); - cmd.args(pairs); - cmd.arg("--add-rustc-codegen-backend"); - cmd.arg(format!("cgclif:{}", cg_clif_dylib_path.display())); - - spawn_and_wait(cmd); -} diff --git a/compiler/rustc_codegen_cranelift/build_system/build_backend.rs b/compiler/rustc_codegen_cranelift/build_system/build_backend.rs index 9e59b8199b4..cda468bcfa2 100644 --- a/compiler/rustc_codegen_cranelift/build_system/build_backend.rs +++ b/compiler/rustc_codegen_cranelift/build_system/build_backend.rs @@ -1,16 +1,16 @@ use std::env; -use std::path::{Path, PathBuf}; -use std::process::Command; +use std::path::PathBuf; -use super::utils::is_ci; +use super::rustc_info::get_file_name; +use super::utils::{cargo_command, is_ci}; pub(crate) fn build_backend( channel: &str, host_triple: &str, use_unstable_features: bool, ) -> PathBuf { - let mut cmd = Command::new("cargo"); - cmd.arg("build").arg("--target").arg(host_triple); + let source_dir = std::env::current_dir().unwrap(); + let mut cmd = cargo_command("cargo", "build", Some(host_triple), &source_dir); cmd.env("CARGO_BUILD_INCREMENTAL", "true"); // Force incr comp even in release mode @@ -41,5 +41,9 @@ pub(crate) fn build_backend( eprintln!("[BUILD] rustc_codegen_cranelift"); super::utils::spawn_and_wait(cmd); - Path::new("target").join(host_triple).join(channel) + source_dir + .join("target") + .join(host_triple) + .join(channel) + .join(get_file_name("rustc_codegen_cranelift", "dylib")) } diff --git a/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs b/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs index 7e205b0fd0b..856aecc49fd 100644 --- a/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs +++ b/compiler/rustc_codegen_cranelift/build_system/build_sysroot.rs @@ -3,14 +3,14 @@ use std::path::{Path, PathBuf}; use std::process::{self, Command}; use super::rustc_info::{get_file_name, get_rustc_version, get_wrapper_file_name}; -use super::utils::{spawn_and_wait, try_hard_link}; +use super::utils::{cargo_command, spawn_and_wait, try_hard_link}; use super::SysrootKind; pub(crate) fn build_sysroot( channel: &str, sysroot_kind: SysrootKind, target_dir: &Path, - cg_clif_build_dir: &Path, + cg_clif_dylib_src: &Path, host_triple: &str, target_triple: &str, ) { @@ -23,7 +23,6 @@ pub(crate) fn build_sysroot( fs::create_dir_all(target_dir.join("lib")).unwrap(); // Copy the backend - let cg_clif_dylib = get_file_name("rustc_codegen_cranelift", "dylib"); let cg_clif_dylib_path = target_dir .join(if cfg!(windows) { // Windows doesn't have rpath support, so the cg_clif dylib needs to be next to the @@ -32,8 +31,8 @@ pub(crate) fn build_sysroot( } else { "lib" }) - .join(&cg_clif_dylib); - try_hard_link(cg_clif_build_dir.join(cg_clif_dylib), &cg_clif_dylib_path); + .join(get_file_name("rustc_codegen_cranelift", "dylib")); + try_hard_link(cg_clif_dylib_src, &cg_clif_dylib_path); // Build and copy rustc and cargo wrappers for wrapper in ["rustc-clif", "cargo-clif"] { @@ -186,10 +185,10 @@ fn build_clif_sysroot_for_triple( } // Build sysroot - let mut build_cmd = Command::new("cargo"); - build_cmd.arg("build").arg("--target").arg(triple).current_dir("build_sysroot"); + let mut build_cmd = cargo_command("cargo", "build", Some(triple), Path::new("build_sysroot")); let mut rustflags = "-Zforce-unstable-if-unmarked -Cpanic=abort".to_string(); rustflags.push_str(&format!(" -Zcodegen-backend={}", cg_clif_dylib_path.to_str().unwrap())); + rustflags.push_str(&format!(" --sysroot={}", target_dir.to_str().unwrap())); if channel == "release" { build_cmd.arg("--release"); rustflags.push_str(" -Zmir-opt-level=3"); diff --git a/compiler/rustc_codegen_cranelift/build_system/config.rs b/compiler/rustc_codegen_cranelift/build_system/config.rs index ef540cf1f82..c31784e1097 100644 --- a/compiler/rustc_codegen_cranelift/build_system/config.rs +++ b/compiler/rustc_codegen_cranelift/build_system/config.rs @@ -1,4 +1,5 @@ -use std::{fs, process}; +use std::fs; +use std::process; fn load_config_file() -> Vec<(String, Option<String>)> { fs::read_to_string("config.txt") diff --git a/compiler/rustc_codegen_cranelift/build_system/mod.rs b/compiler/rustc_codegen_cranelift/build_system/mod.rs index c3706dc6f82..b25270d832c 100644 --- a/compiler/rustc_codegen_cranelift/build_system/mod.rs +++ b/compiler/rustc_codegen_cranelift/build_system/mod.rs @@ -4,7 +4,7 @@ use std::process; use self::utils::is_ci; -mod abi_checker; +mod abi_cafe; mod build_backend; mod build_sysroot; mod config; @@ -122,32 +122,23 @@ pub fn main() { host_triple.clone() }; - if target_triple.ends_with("-msvc") { - eprintln!("The MSVC toolchain is not yet supported by rustc_codegen_cranelift."); - eprintln!("Switch to the MinGW toolchain for Windows support."); - eprintln!("Hint: You can use `rustup set default-host x86_64-pc-windows-gnu` to"); - eprintln!("set the global default target to MinGW"); - process::exit(1); - } - - let cg_clif_build_dir = - build_backend::build_backend(channel, &host_triple, use_unstable_features); + let cg_clif_dylib = build_backend::build_backend(channel, &host_triple, use_unstable_features); match command { Command::Test => { tests::run_tests( channel, sysroot_kind, &target_dir, - &cg_clif_build_dir, + &cg_clif_dylib, &host_triple, &target_triple, ); - abi_checker::run( + abi_cafe::run( channel, sysroot_kind, &target_dir, - &cg_clif_build_dir, + &cg_clif_dylib, &host_triple, &target_triple, ); @@ -157,7 +148,7 @@ pub fn main() { channel, sysroot_kind, &target_dir, - &cg_clif_build_dir, + &cg_clif_dylib, &host_triple, &target_triple, ); diff --git a/compiler/rustc_codegen_cranelift/build_system/prepare.rs b/compiler/rustc_codegen_cranelift/build_system/prepare.rs index d23b7f00dcf..3111f62f6c2 100644 --- a/compiler/rustc_codegen_cranelift/build_system/prepare.rs +++ b/compiler/rustc_codegen_cranelift/build_system/prepare.rs @@ -1,64 +1,63 @@ use std::env; use std::ffi::OsStr; -use std::ffi::OsString; use std::fs; -use std::path::Path; +use std::path::{Path, PathBuf}; use std::process::Command; use super::rustc_info::{get_file_name, get_rustc_path, get_rustc_version}; -use super::utils::{copy_dir_recursively, spawn_and_wait}; +use super::utils::{cargo_command, copy_dir_recursively, spawn_and_wait}; + +pub(crate) const ABI_CAFE: GitRepo = + GitRepo::github("Gankra", "abi-cafe", "4c6dc8c9c687e2b3a760ff2176ce236872b37212", "abi-cafe"); + +pub(crate) const RAND: GitRepo = + GitRepo::github("rust-random", "rand", "0f933f9c7176e53b2a3c7952ded484e1783f0bf1", "rand"); + +pub(crate) const REGEX: GitRepo = + GitRepo::github("rust-lang", "regex", "341f207c1071f7290e3f228c710817c280c8dca1", "regex"); + +pub(crate) const PORTABLE_SIMD: GitRepo = GitRepo::github( + "rust-lang", + "portable-simd", + "d5cd4a8112d958bd3a252327e0d069a6363249bd", + "portable-simd", +); + +pub(crate) const SIMPLE_RAYTRACER: GitRepo = GitRepo::github( + "ebobby", + "simple-raytracer", + "804a7a21b9e673a482797aa289a18ed480e4d813", + "<none>", +); pub(crate) fn prepare() { + if Path::new("download").exists() { + std::fs::remove_dir_all(Path::new("download")).unwrap(); + } + std::fs::create_dir_all(Path::new("download")).unwrap(); + prepare_sysroot(); + // FIXME maybe install this only locally? eprintln!("[INSTALL] hyperfine"); Command::new("cargo").arg("install").arg("hyperfine").spawn().unwrap().wait().unwrap(); - clone_repo_shallow_github( - "abi-checker", - "Gankra", - "abi-checker", - "a2232d45f202846f5c02203c9f27355360f9a2ff", - ); - apply_patches("abi-checker", Path::new("abi-checker")); - - clone_repo_shallow_github( - "rand", - "rust-random", - "rand", - "0f933f9c7176e53b2a3c7952ded484e1783f0bf1", - ); - apply_patches("rand", Path::new("rand")); - - clone_repo_shallow_github( - "regex", - "rust-lang", - "regex", - "341f207c1071f7290e3f228c710817c280c8dca1", - ); - - clone_repo_shallow_github( - "portable-simd", - "rust-lang", - "portable-simd", - "b8d6b6844602f80af79cd96401339ec594d472d8", - ); - apply_patches("portable-simd", Path::new("portable-simd")); - - clone_repo_shallow_github( - "simple-raytracer", - "ebobby", - "simple-raytracer", - "804a7a21b9e673a482797aa289a18ed480e4d813", - ); + ABI_CAFE.fetch(); + RAND.fetch(); + REGEX.fetch(); + PORTABLE_SIMD.fetch(); + SIMPLE_RAYTRACER.fetch(); eprintln!("[LLVM BUILD] simple-raytracer"); - let mut build_cmd = Command::new("cargo"); - build_cmd.arg("build").env_remove("CARGO_TARGET_DIR").current_dir("simple-raytracer"); + let build_cmd = cargo_command("cargo", "build", None, &SIMPLE_RAYTRACER.source_dir()); spawn_and_wait(build_cmd); fs::copy( - Path::new("simple-raytracer/target/debug").join(get_file_name("main", "bin")), - Path::new("simple-raytracer").join(get_file_name("raytracer_cg_llvm", "bin")), + SIMPLE_RAYTRACER + .source_dir() + .join("target") + .join("debug") + .join(get_file_name("main", "bin")), + SIMPLE_RAYTRACER.source_dir().join(get_file_name("raytracer_cg_llvm", "bin")), ) .unwrap(); } @@ -90,38 +89,78 @@ fn prepare_sysroot() { apply_patches("sysroot", &sysroot_src); } +pub(crate) struct GitRepo { + url: GitRepoUrl, + rev: &'static str, + patch_name: &'static str, +} + +enum GitRepoUrl { + Github { user: &'static str, repo: &'static str }, +} + +impl GitRepo { + const fn github( + user: &'static str, + repo: &'static str, + rev: &'static str, + patch_name: &'static str, + ) -> GitRepo { + GitRepo { url: GitRepoUrl::Github { user, repo }, rev, patch_name } + } + + pub(crate) fn source_dir(&self) -> PathBuf { + match self.url { + GitRepoUrl::Github { user: _, repo } => { + std::env::current_dir().unwrap().join("download").join(repo) + } + } + } + + fn fetch(&self) { + match self.url { + GitRepoUrl::Github { user, repo } => { + clone_repo_shallow_github(&self.source_dir(), user, repo, self.rev); + } + } + apply_patches(self.patch_name, &self.source_dir()); + } +} + #[allow(dead_code)] -fn clone_repo(target_dir: &str, repo: &str, rev: &str) { +fn clone_repo(download_dir: &Path, repo: &str, rev: &str) { eprintln!("[CLONE] {}", repo); // Ignore exit code as the repo may already have been checked out - Command::new("git").arg("clone").arg(repo).arg(target_dir).spawn().unwrap().wait().unwrap(); + Command::new("git").arg("clone").arg(repo).arg(&download_dir).spawn().unwrap().wait().unwrap(); let mut clean_cmd = Command::new("git"); - clean_cmd.arg("checkout").arg("--").arg(".").current_dir(target_dir); + clean_cmd.arg("checkout").arg("--").arg(".").current_dir(&download_dir); spawn_and_wait(clean_cmd); let mut checkout_cmd = Command::new("git"); - checkout_cmd.arg("checkout").arg("-q").arg(rev).current_dir(target_dir); + checkout_cmd.arg("checkout").arg("-q").arg(rev).current_dir(download_dir); spawn_and_wait(checkout_cmd); } -fn clone_repo_shallow_github(target_dir: &str, username: &str, repo: &str, rev: &str) { +fn clone_repo_shallow_github(download_dir: &Path, user: &str, repo: &str, rev: &str) { if cfg!(windows) { // Older windows doesn't have tar or curl by default. Fall back to using git. - clone_repo(target_dir, &format!("https://github.com/{}/{}.git", username, repo), rev); + clone_repo(download_dir, &format!("https://github.com/{}/{}.git", user, repo), rev); return; } - let archive_url = format!("https://github.com/{}/{}/archive/{}.tar.gz", username, repo, rev); - let archive_file = format!("{}.tar.gz", rev); - let archive_dir = format!("{}-{}", repo, rev); + let downloads_dir = std::env::current_dir().unwrap().join("download"); + + let archive_url = format!("https://github.com/{}/{}/archive/{}.tar.gz", user, repo, rev); + let archive_file = downloads_dir.join(format!("{}.tar.gz", rev)); + let archive_dir = downloads_dir.join(format!("{}-{}", repo, rev)); - eprintln!("[DOWNLOAD] {}/{} from {}", username, repo, archive_url); + eprintln!("[DOWNLOAD] {}/{} from {}", user, repo, archive_url); // Remove previous results if they exists let _ = std::fs::remove_file(&archive_file); let _ = std::fs::remove_dir_all(&archive_dir); - let _ = std::fs::remove_dir_all(target_dir); + let _ = std::fs::remove_dir_all(&download_dir); // Download zip archive let mut download_cmd = Command::new("curl"); @@ -130,13 +169,13 @@ fn clone_repo_shallow_github(target_dir: &str, username: &str, repo: &str, rev: // Unpack tar archive let mut unpack_cmd = Command::new("tar"); - unpack_cmd.arg("xf").arg(&archive_file); + unpack_cmd.arg("xf").arg(&archive_file).current_dir(downloads_dir); spawn_and_wait(unpack_cmd); // Rename unpacked dir to the expected name - std::fs::rename(archive_dir, target_dir).unwrap(); + std::fs::rename(archive_dir, &download_dir).unwrap(); - init_git_repo(Path::new(target_dir)); + init_git_repo(&download_dir); // Cleanup std::fs::remove_file(archive_file).unwrap(); @@ -156,14 +195,20 @@ fn init_git_repo(repo_dir: &Path) { spawn_and_wait(git_commit_cmd); } -fn get_patches(crate_name: &str) -> Vec<OsString> { - let mut patches: Vec<_> = fs::read_dir("patches") +fn get_patches(source_dir: &Path, crate_name: &str) -> Vec<PathBuf> { + let mut patches: Vec<_> = fs::read_dir(source_dir.join("patches")) .unwrap() .map(|entry| entry.unwrap().path()) .filter(|path| path.extension() == Some(OsStr::new("patch"))) - .map(|path| path.file_name().unwrap().to_owned()) - .filter(|file_name| { - file_name.to_str().unwrap().split_once("-").unwrap().1.starts_with(crate_name) + .filter(|path| { + path.file_name() + .unwrap() + .to_str() + .unwrap() + .split_once("-") + .unwrap() + .1 + .starts_with(crate_name) }) .collect(); patches.sort(); @@ -171,11 +216,18 @@ fn get_patches(crate_name: &str) -> Vec<OsString> { } fn apply_patches(crate_name: &str, target_dir: &Path) { - for patch in get_patches(crate_name) { - eprintln!("[PATCH] {:?} <- {:?}", target_dir.file_name().unwrap(), patch); - let patch_arg = env::current_dir().unwrap().join("patches").join(patch); + if crate_name == "<none>" { + return; + } + + for patch in get_patches(&std::env::current_dir().unwrap(), crate_name) { + eprintln!( + "[PATCH] {:?} <- {:?}", + target_dir.file_name().unwrap(), + patch.file_name().unwrap() + ); let mut apply_patch_cmd = Command::new("git"); - apply_patch_cmd.arg("am").arg(patch_arg).arg("-q").current_dir(target_dir); + apply_patch_cmd.arg("am").arg(patch).arg("-q").current_dir(target_dir); spawn_and_wait(apply_patch_cmd); } } diff --git a/compiler/rustc_codegen_cranelift/build_system/tests.rs b/compiler/rustc_codegen_cranelift/build_system/tests.rs index e21397cece8..a414b60f4e0 100644 --- a/compiler/rustc_codegen_cranelift/build_system/tests.rs +++ b/compiler/rustc_codegen_cranelift/build_system/tests.rs @@ -1,7 +1,8 @@ use super::build_sysroot; use super::config; +use super::prepare; use super::rustc_info::get_wrapper_file_name; -use super::utils::{spawn_and_wait, spawn_and_wait_with_input}; +use super::utils::{cargo_command, hyperfine_command, spawn_and_wait, spawn_and_wait_with_input}; use build_system::SysrootKind; use std::env; use std::ffi::OsStr; @@ -217,103 +218,95 @@ const BASE_SYSROOT_SUITE: &[TestCase] = &[ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[ TestCase::new("test.rust-random/rand", &|runner| { - runner.in_dir(["rand"], |runner| { - runner.run_cargo(["clean"]); + runner.in_dir(prepare::RAND.source_dir(), |runner| { + runner.run_cargo("clean", []); if runner.host_triple == runner.target_triple { eprintln!("[TEST] rust-random/rand"); - runner.run_cargo(["test", "--workspace"]); + runner.run_cargo("test", ["--workspace"]); } else { eprintln!("[AOT] rust-random/rand"); - runner.run_cargo([ - "build", - "--workspace", - "--target", - &runner.target_triple, - "--tests", - ]); + runner.run_cargo("build", ["--workspace", "--tests"]); } }); }), TestCase::new("bench.simple-raytracer", &|runner| { - runner.in_dir(["simple-raytracer"], |runner| { - let run_runs = env::var("RUN_RUNS").unwrap_or("10".to_string()); + runner.in_dir(prepare::SIMPLE_RAYTRACER.source_dir(), |runner| { + let run_runs = env::var("RUN_RUNS").unwrap_or("10".to_string()).parse().unwrap(); if runner.host_triple == runner.target_triple { eprintln!("[BENCH COMPILE] ebobby/simple-raytracer"); - let mut bench_compile = Command::new("hyperfine"); - bench_compile.arg("--runs"); - bench_compile.arg(&run_runs); - bench_compile.arg("--warmup"); - bench_compile.arg("1"); - bench_compile.arg("--prepare"); - bench_compile.arg(format!("{:?}", runner.cargo_command(["clean"]))); - - if cfg!(windows) { - bench_compile.arg("cmd /C \"set RUSTFLAGS= && cargo build\""); - } else { - bench_compile.arg("RUSTFLAGS='' cargo build"); - } + let prepare = runner.cargo_command("clean", []); + + let llvm_build_cmd = cargo_command("cargo", "build", None, Path::new(".")); + + let cargo_clif = runner + .root_dir + .clone() + .join("build") + .join(get_wrapper_file_name("cargo-clif", "bin")); + let clif_build_cmd = cargo_command(cargo_clif, "build", None, Path::new(".")); + + let bench_compile = + hyperfine_command(1, run_runs, Some(prepare), llvm_build_cmd, clif_build_cmd); - bench_compile.arg(format!("{:?}", runner.cargo_command(["build"]))); spawn_and_wait(bench_compile); eprintln!("[BENCH RUN] ebobby/simple-raytracer"); fs::copy(PathBuf::from("./target/debug/main"), PathBuf::from("raytracer_cg_clif")) .unwrap(); - let mut bench_run = Command::new("hyperfine"); - bench_run.arg("--runs"); - bench_run.arg(&run_runs); - bench_run.arg(PathBuf::from("./raytracer_cg_llvm")); - bench_run.arg(PathBuf::from("./raytracer_cg_clif")); + let bench_run = hyperfine_command( + 0, + run_runs, + None, + Command::new("./raytracer_cg_llvm"), + Command::new("./raytracer_cg_clif"), + ); spawn_and_wait(bench_run); } else { - runner.run_cargo(["clean"]); + runner.run_cargo("clean", []); eprintln!("[BENCH COMPILE] ebobby/simple-raytracer (skipped)"); eprintln!("[COMPILE] ebobby/simple-raytracer"); - runner.run_cargo(["build", "--target", &runner.target_triple]); + runner.run_cargo("build", []); eprintln!("[BENCH RUN] ebobby/simple-raytracer (skipped)"); } }); }), TestCase::new("test.libcore", &|runner| { - runner.in_dir(["build_sysroot", "sysroot_src", "library", "core", "tests"], |runner| { - runner.run_cargo(["clean"]); - - if runner.host_triple == runner.target_triple { - runner.run_cargo(["test"]); - } else { - eprintln!("Cross-Compiling: Not running tests"); - runner.run_cargo(["build", "--target", &runner.target_triple, "--tests"]); - } - }); + runner.in_dir( + std::env::current_dir() + .unwrap() + .join("build_sysroot") + .join("sysroot_src") + .join("library") + .join("core") + .join("tests"), + |runner| { + runner.run_cargo("clean", []); + + if runner.host_triple == runner.target_triple { + runner.run_cargo("test", []); + } else { + eprintln!("Cross-Compiling: Not running tests"); + runner.run_cargo("build", ["--tests"]); + } + }, + ); }), TestCase::new("test.regex-shootout-regex-dna", &|runner| { - runner.in_dir(["regex"], |runner| { - runner.run_cargo(["clean"]); + runner.in_dir(prepare::REGEX.source_dir(), |runner| { + runner.run_cargo("clean", []); // newer aho_corasick versions throw a deprecation warning let lint_rust_flags = format!("{} --cap-lints warn", runner.rust_flags); - let mut build_cmd = runner.cargo_command([ - "build", - "--example", - "shootout-regex-dna", - "--target", - &runner.target_triple, - ]); + let mut build_cmd = runner.cargo_command("build", ["--example", "shootout-regex-dna"]); build_cmd.env("RUSTFLAGS", lint_rust_flags.clone()); spawn_and_wait(build_cmd); if runner.host_triple == runner.target_triple { - let mut run_cmd = runner.cargo_command([ - "run", - "--example", - "shootout-regex-dna", - "--target", - &runner.target_triple, - ]); + let mut run_cmd = runner.cargo_command("run", ["--example", "shootout-regex-dna"]); run_cmd.env("RUSTFLAGS", lint_rust_flags); let input = @@ -353,41 +346,43 @@ const EXTENDED_SYSROOT_SUITE: &[TestCase] = &[ }); }), TestCase::new("test.regex", &|runner| { - runner.in_dir(["regex"], |runner| { - runner.run_cargo(["clean"]); + runner.in_dir(prepare::REGEX.source_dir(), |runner| { + runner.run_cargo("clean", []); // newer aho_corasick versions throw a deprecation warning let lint_rust_flags = format!("{} --cap-lints warn", runner.rust_flags); if runner.host_triple == runner.target_triple { - let mut run_cmd = runner.cargo_command([ + let mut run_cmd = runner.cargo_command( "test", - "--tests", - "--", - "--exclude-should-panic", - "--test-threads", - "1", - "-Zunstable-options", - "-q", - ]); + [ + "--tests", + "--", + "--exclude-should-panic", + "--test-threads", + "1", + "-Zunstable-options", + "-q", + ], + ); run_cmd.env("RUSTFLAGS", lint_rust_flags); spawn_and_wait(run_cmd); } else { eprintln!("Cross-Compiling: Not running tests"); let mut build_cmd = - runner.cargo_command(["build", "--tests", "--target", &runner.target_triple]); + runner.cargo_command("build", ["--tests", "--target", &runner.target_triple]); build_cmd.env("RUSTFLAGS", lint_rust_flags.clone()); spawn_and_wait(build_cmd); } }); }), TestCase::new("test.portable-simd", &|runner| { - runner.in_dir(["portable-simd"], |runner| { - runner.run_cargo(["clean"]); - runner.run_cargo(["build", "--all-targets", "--target", &runner.target_triple]); + runner.in_dir(prepare::PORTABLE_SIMD.source_dir(), |runner| { + runner.run_cargo("clean", []); + runner.run_cargo("build", ["--all-targets", "--target", &runner.target_triple]); if runner.host_triple == runner.target_triple { - runner.run_cargo(["test", "-q"]); + runner.run_cargo("test", ["-q"]); } }); }), @@ -397,7 +392,7 @@ pub(crate) fn run_tests( channel: &str, sysroot_kind: SysrootKind, target_dir: &Path, - cg_clif_build_dir: &Path, + cg_clif_dylib: &Path, host_triple: &str, target_triple: &str, ) { @@ -408,7 +403,7 @@ pub(crate) fn run_tests( channel, SysrootKind::None, &target_dir, - cg_clif_build_dir, + cg_clif_dylib, &host_triple, &target_triple, ); @@ -427,7 +422,7 @@ pub(crate) fn run_tests( channel, sysroot_kind, &target_dir, - cg_clif_build_dir, + cg_clif_dylib, &host_triple, &target_triple, ); @@ -521,16 +516,8 @@ impl TestRunner { } } - fn in_dir<'a, I, F>(&self, dir: I, callback: F) - where - I: IntoIterator<Item = &'a str>, - F: FnOnce(&TestRunner), - { + fn in_dir(&self, new: impl AsRef<Path>, callback: impl FnOnce(&TestRunner)) { let current = env::current_dir().unwrap(); - let mut new = current.clone(); - for d in dir { - new.push(d); - } env::set_current_dir(new).unwrap(); callback(self); @@ -595,25 +582,29 @@ impl TestRunner { spawn_and_wait(cmd); } - fn cargo_command<I, S>(&self, args: I) -> Command + fn cargo_command<'a, I>(&self, subcommand: &str, args: I) -> Command where - I: IntoIterator<Item = S>, - S: AsRef<OsStr>, + I: IntoIterator<Item = &'a str>, { let mut cargo_clif = self.root_dir.clone(); cargo_clif.push("build"); cargo_clif.push(get_wrapper_file_name("cargo-clif", "bin")); - let mut cmd = Command::new(cargo_clif); + let mut cmd = cargo_command( + cargo_clif, + subcommand, + if subcommand == "clean" { None } else { Some(&self.target_triple) }, + Path::new("."), + ); cmd.args(args); cmd.env("RUSTFLAGS", &self.rust_flags); cmd } - fn run_cargo<'a, I>(&self, args: I) + fn run_cargo<'a, I>(&self, subcommand: &str, args: I) where I: IntoIterator<Item = &'a str>, { - spawn_and_wait(self.cargo_command(args)); + spawn_and_wait(self.cargo_command(subcommand, args)); } } diff --git a/compiler/rustc_codegen_cranelift/build_system/utils.rs b/compiler/rustc_codegen_cranelift/build_system/utils.rs index bdf8f8ecd99..48da64906e2 100644 --- a/compiler/rustc_codegen_cranelift/build_system/utils.rs +++ b/compiler/rustc_codegen_cranelift/build_system/utils.rs @@ -4,6 +4,52 @@ use std::io::Write; use std::path::Path; use std::process::{self, Command, Stdio}; +pub(crate) fn cargo_command( + cargo: impl AsRef<Path>, + subcommand: &str, + triple: Option<&str>, + source_dir: &Path, +) -> Command { + let mut cmd = Command::new(cargo.as_ref()); + cmd.arg(subcommand) + .arg("--manifest-path") + .arg(source_dir.join("Cargo.toml")) + .arg("--target-dir") + .arg(source_dir.join("target")); + + if let Some(triple) = triple { + cmd.arg("--target").arg(triple); + } + + cmd +} + +pub(crate) fn hyperfine_command( + warmup: u64, + runs: u64, + prepare: Option<Command>, + a: Command, + b: Command, +) -> Command { + let mut bench = Command::new("hyperfine"); + + if warmup != 0 { + bench.arg("--warmup").arg(warmup.to_string()); + } + + if runs != 0 { + bench.arg("--runs").arg(runs.to_string()); + } + + if let Some(prepare) = prepare { + bench.arg("--prepare").arg(format!("{:?}", prepare)); + } + + bench.arg(format!("{:?}", a)).arg(format!("{:?}", b)); + + bench +} + #[track_caller] pub(crate) fn try_hard_link(src: impl AsRef<Path>, dst: impl AsRef<Path>) { let src = src.as_ref(); diff --git a/compiler/rustc_codegen_cranelift/clean_all.sh b/compiler/rustc_codegen_cranelift/clean_all.sh index 62e52bd1958..fedab2433aa 100755 --- a/compiler/rustc_codegen_cranelift/clean_all.sh +++ b/compiler/rustc_codegen_cranelift/clean_all.sh @@ -3,4 +3,8 @@ set -e rm -rf build_sysroot/{sysroot_src/,target/,compiler-builtins/,rustc_version} rm -rf target/ build/ perf.data{,.old} y.bin -rm -rf rand/ regex/ simple-raytracer/ portable-simd/ abi-checker/ +rm -rf download/ + +# Kept for now in case someone updates their checkout of cg_clif before running clean_all.sh +# FIXME remove at some point in the future +rm -rf rand/ regex/ simple-raytracer/ portable-simd/ abi-checker/ abi-cafe/ diff --git a/compiler/rustc_codegen_cranelift/config.txt b/compiler/rustc_codegen_cranelift/config.txt index 2264d301d59..0d539191b12 100644 --- a/compiler/rustc_codegen_cranelift/config.txt +++ b/compiler/rustc_codegen_cranelift/config.txt @@ -49,4 +49,4 @@ test.regex-shootout-regex-dna test.regex test.portable-simd -testsuite.abi-checker +testsuite.abi-cafe diff --git a/compiler/rustc_codegen_cranelift/example/issue-91827-extern-types.rs b/compiler/rustc_codegen_cranelift/example/issue-91827-extern-types.rs index 2ecc8b8238b..03910069633 100644 --- a/compiler/rustc_codegen_cranelift/example/issue-91827-extern-types.rs +++ b/compiler/rustc_codegen_cranelift/example/issue-91827-extern-types.rs @@ -5,7 +5,6 @@ // Test that we can handle unsized types with an extern type tail part. // Regression test for issue #91827. -#![feature(const_ptr_offset_from)] #![feature(extern_types)] use std::ptr::addr_of; diff --git a/compiler/rustc_codegen_cranelift/example/mini_core.rs b/compiler/rustc_codegen_cranelift/example/mini_core.rs index 42f8aa50ba1..7f85b52f083 100644 --- a/compiler/rustc_codegen_cranelift/example/mini_core.rs +++ b/compiler/rustc_codegen_cranelift/example/mini_core.rs @@ -559,16 +559,22 @@ pub union MaybeUninit<T> { pub mod intrinsics { extern "rust-intrinsic" { + #[rustc_safe_intrinsic] pub fn abort() -> !; + #[rustc_safe_intrinsic] pub fn size_of<T>() -> usize; pub fn size_of_val<T: ?::Sized>(val: *const T) -> usize; + #[rustc_safe_intrinsic] pub fn min_align_of<T>() -> usize; pub fn min_align_of_val<T: ?::Sized>(val: *const T) -> usize; pub fn copy<T>(src: *const T, dst: *mut T, count: usize); pub fn transmute<T, U>(e: T) -> U; pub fn ctlz_nonzero<T>(x: T) -> T; + #[rustc_safe_intrinsic] pub fn needs_drop<T: ?::Sized>() -> bool; + #[rustc_safe_intrinsic] pub fn bitreverse<T>(x: T) -> T; + #[rustc_safe_intrinsic] pub fn bswap<T>(x: T) -> T; pub fn write_bytes<T>(dst: *mut T, val: u8, count: usize); } diff --git a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs index e83be3a3df5..215d3556a17 100644 --- a/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs +++ b/compiler/rustc_codegen_cranelift/example/mini_core_hello_world.rs @@ -93,6 +93,7 @@ fn start<T: Termination + 'static>( main: fn() -> T, argc: isize, argv: *const *const u8, + _sigpipe: u8, ) -> isize { if argc == 3 { unsafe { puts(*argv as *const i8); } diff --git a/compiler/rustc_codegen_cranelift/patches/0001-abi-cafe-Disable-some-test-on-x86_64-pc-windows-gnu.patch b/compiler/rustc_codegen_cranelift/patches/0001-abi-cafe-Disable-some-test-on-x86_64-pc-windows-gnu.patch new file mode 100644 index 00000000000..0e5e7cdfcdf --- /dev/null +++ b/compiler/rustc_codegen_cranelift/patches/0001-abi-cafe-Disable-some-test-on-x86_64-pc-windows-gnu.patch @@ -0,0 +1,29 @@ +From 2b15fee2bb5fd14e34c7e17e44d99cb34f4c555d Mon Sep 17 00:00:00 2001 +From: Afonso Bordado <afonsobordado@az8.co> +Date: Tue, 27 Sep 2022 07:55:17 +0100 +Subject: [PATCH] Disable some test on x86_64-pc-windows-gnu + +--- + src/report.rs | 6 ++++++ + 1 file changed, 6 insertions(+) + +diff --git a/src/report.rs b/src/report.rs +index eeec614..f582867 100644 +--- a/src/report.rs ++++ b/src/report.rs +@@ -48,6 +48,12 @@ pub fn get_test_rules(test: &TestKey, caller: &dyn AbiImpl, callee: &dyn AbiImpl + // + // THIS AREA RESERVED FOR VENDORS TO APPLY PATCHES + ++ // x86_64-pc-windows-gnu has some broken i128 tests that aren't disabled by default ++ if cfg!(all(target_os = "windows", target_env = "gnu")) && test.test_name == "ui128" { ++ result.run = Link; ++ result.check = Pass(Link); ++ } ++ + // END OF VENDOR RESERVED AREA + // + // +-- +2.30.1.windows.1 + diff --git a/compiler/rustc_codegen_cranelift/patches/0001-abi-checker-Disable-failing-tests.patch b/compiler/rustc_codegen_cranelift/patches/0001-abi-checker-Disable-failing-tests.patch deleted file mode 100644 index 526366a7598..00000000000 --- a/compiler/rustc_codegen_cranelift/patches/0001-abi-checker-Disable-failing-tests.patch +++ /dev/null @@ -1,36 +0,0 @@ -From 1a315ba225577dbbd1f449d9609f16f984f68708 Mon Sep 17 00:00:00 2001 -From: Afonso Bordado <afonso360@users.noreply.github.com> -Date: Fri, 12 Aug 2022 22:51:58 +0000 -Subject: [PATCH] Disable abi-checker tests - ---- - src/report.rs | 14 ++++++++++++++ - 1 file changed, 14 insertions(+) - -diff --git a/src/report.rs b/src/report.rs -index 7346f5e..8347762 100644 ---- a/src/report.rs -+++ b/src/report.rs -@@ -45,6 +45,20 @@ pub fn get_test_rules(test: &TestKey, caller: &dyn AbiImpl, callee: &dyn AbiImpl - // - // THIS AREA RESERVED FOR VENDORS TO APPLY PATCHES - -+ // Currently MSVC has some broken ABI issues. Furthermore, they cause -+ // a STATUS_ACCESS_VIOLATION, so we can't even run them. Ensure that they compile and link. -+ if cfg!(windows) && (test.test_name == "bool" || test.test_name == "ui128") { -+ result.run = Link; -+ result.check = Pass(Link); -+ } -+ -+ // structs is broken in the current release of cranelift for aarch64. -+ // It has been fixed for cranelift 0.88: https://github.com/bytecodealliance/wasmtime/pull/4634 -+ if cfg!(target_arch = "aarch64") && test.test_name == "structs" { -+ result.run = Link; -+ result.check = Pass(Link); -+ } -+ - // END OF VENDOR RESERVED AREA - // - // --- -2.34.1 diff --git a/compiler/rustc_codegen_cranelift/patches/0001-portable-simd-Disable-unsupported-tests.patch b/compiler/rustc_codegen_cranelift/patches/0001-portable-simd-Disable-unsupported-tests.patch index 54e13b090ab..89e2b61c1fc 100644 --- a/compiler/rustc_codegen_cranelift/patches/0001-portable-simd-Disable-unsupported-tests.patch +++ b/compiler/rustc_codegen_cranelift/patches/0001-portable-simd-Disable-unsupported-tests.patch @@ -1,80 +1,29 @@ -From 97c473937382a5b5858d9cce3c947855d23b2dc5 Mon Sep 17 00:00:00 2001 +From b742f03694b920cc14400727d54424e8e1b60928 Mon Sep 17 00:00:00 2001 From: bjorn3 <bjorn3@users.noreply.github.com> Date: Thu, 18 Nov 2021 19:28:40 +0100 Subject: [PATCH] Disable unsupported tests --- - crates/core_simd/src/math.rs | 6 ++++++ - crates/core_simd/src/vector.rs | 2 ++ - crates/core_simd/tests/masks.rs | 2 ++ - crates/core_simd/tests/ops_macros.rs | 4 ++++ - 4 files changed, 14 insertions(+) + crates/core_simd/src/elements/int.rs | 8 ++++++++ + crates/core_simd/src/elements/uint.rs | 4 ++++ + crates/core_simd/src/masks/full_masks.rs | 6 ++++++ + crates/core_simd/src/vector.rs | 2 ++ + crates/core_simd/tests/masks.rs | 3 --- + 5 files changed, 20 insertions(+), 3 deletions(-) -diff --git a/crates/core_simd/src/math.rs b/crates/core_simd/src/math.rs -index 2bae414..2f87499 100644 ---- a/crates/core_simd/src/math.rs -+++ b/crates/core_simd/src/math.rs -@@ -5,6 +5,7 @@ macro_rules! impl_uint_arith { - ($($ty:ty),+) => { - $( impl<const LANES: usize> Simd<$ty, LANES> where LaneCount<LANES>: SupportedLaneCount { - -+ /* - /// Lanewise saturating add. - /// - /// # Examples -@@ -43,6 +44,7 @@ macro_rules! impl_uint_arith { - pub fn saturating_sub(self, second: Self) -> Self { - unsafe { simd_saturating_sub(self, second) } - } -+ */ - })+ - } - } -@@ -51,6 +53,7 @@ macro_rules! impl_int_arith { - ($($ty:ty),+) => { - $( impl<const LANES: usize> Simd<$ty, LANES> where LaneCount<LANES>: SupportedLaneCount { - -+ /* - /// Lanewise saturating add. - /// - /// # Examples -@@ -89,6 +92,7 @@ macro_rules! impl_int_arith { - pub fn saturating_sub(self, second: Self) -> Self { - unsafe { simd_saturating_sub(self, second) } - } -+ */ - - /// Lanewise absolute value, implemented in Rust. - /// Every lane becomes its absolute value. -@@ -109,6 +113,7 @@ macro_rules! impl_int_arith { - (self^m) - m - } - -+ /* - /// Lanewise saturating absolute value, implemented in Rust. - /// As abs(), except the MIN value becomes MAX instead of itself. - /// -@@ -151,6 +156,7 @@ macro_rules! impl_int_arith { - pub fn saturating_neg(self) -> Self { - Self::splat(0).saturating_sub(self) - } -+ */ - })+ - } - } diff --git a/crates/core_simd/src/vector.rs b/crates/core_simd/src/vector.rs -index 7c5ec2b..c8631e8 100644 +index e8e8f68..7173c24 100644 --- a/crates/core_simd/src/vector.rs +++ b/crates/core_simd/src/vector.rs -@@ -75,6 +75,7 @@ where - Self(array) +@@ -250,6 +250,7 @@ where + unsafe { intrinsics::simd_cast(self) } } + /* /// Reads from potentially discontiguous indices in `slice` to construct a SIMD vector. /// If an index is out-of-bounds, the lane is instead selected from the `or` vector. /// -@@ -297,6 +298,7 @@ where +@@ -473,6 +474,7 @@ where // Cleared ☢️ *mut T Zone } } @@ -82,26 +31,5 @@ index 7c5ec2b..c8631e8 100644 } impl<T, const LANES: usize> Copy for Simd<T, LANES> -diff --git a/crates/core_simd/tests/masks.rs b/crates/core_simd/tests/masks.rs -index 6a8ecd3..68fcb49 100644 ---- a/crates/core_simd/tests/masks.rs -+++ b/crates/core_simd/tests/masks.rs -@@ -68,6 +68,7 @@ macro_rules! test_mask_api { - assert_eq!(core_simd::Mask::<$type, 8>::from_int(int), mask); - } - -+ /* - #[cfg(feature = "generic_const_exprs")] - #[test] - fn roundtrip_bitmask_conversion() { -@@ -80,6 +81,7 @@ macro_rules! test_mask_api { - assert_eq!(bitmask, [0b01001001, 0b10000011]); - assert_eq!(core_simd::Mask::<$type, 16>::from_bitmask(bitmask), mask); - } -+ */ - } - } - } -- -2.26.2.7.g19db9cfb68 - +2.25.1 diff --git a/compiler/rustc_codegen_cranelift/patches/0003-rand-Disable-rand-tests-on-mingw.patch b/compiler/rustc_codegen_cranelift/patches/0003-rand-Disable-rand-tests-on-mingw.patch new file mode 100644 index 00000000000..d8775e2d022 --- /dev/null +++ b/compiler/rustc_codegen_cranelift/patches/0003-rand-Disable-rand-tests-on-mingw.patch @@ -0,0 +1,47 @@ +From eec874c889b8d24e5ad50faded24288150f057b1 Mon Sep 17 00:00:00 2001 +From: Afonso Bordado <afonsobordado@az8.co> +Date: Tue, 27 Sep 2022 08:13:58 +0100 +Subject: [PATCH] Disable rand tests on mingw + +--- + rand_distr/src/pareto.rs | 2 ++ + rand_distr/tests/value_stability.rs | 4 ++++ + 2 files changed, 6 insertions(+) + +diff --git a/rand_distr/src/pareto.rs b/rand_distr/src/pareto.rs +index 217899e..9cedeb7 100644 +--- a/rand_distr/src/pareto.rs ++++ b/rand_distr/src/pareto.rs +@@ -107,6 +107,8 @@ mod tests { + } + + #[test] ++ // This is broken on x86_64-pc-windows-gnu presumably due to a broken powf implementation ++ #[cfg_attr(all(target_os = "windows", target_env = "gnu"), ignore)] + fn value_stability() { + fn test_samples<F: Float + core::fmt::Debug, D: Distribution<F>>( + distr: D, zero: F, expected: &[F], +diff --git a/rand_distr/tests/value_stability.rs b/rand_distr/tests/value_stability.rs +index 192ba74..0101ace 100644 +--- a/rand_distr/tests/value_stability.rs ++++ b/rand_distr/tests/value_stability.rs +@@ -72,6 +72,8 @@ fn unit_disc_stability() { + } + + #[test] ++// This is broken on x86_64-pc-windows-gnu ++#[cfg_attr(all(target_os = "windows", target_env = "gnu"), ignore)] + fn pareto_stability() { + test_samples(213, Pareto::new(1.0, 1.0).unwrap(), &[ + 1.0423688f32, 2.1235929, 4.132709, 1.4679428, +@@ -143,6 +145,8 @@ fn inverse_gaussian_stability() { + } + + #[test] ++// This is broken on x86_64-pc-windows-gnu ++#[cfg_attr(all(target_os = "windows", target_env = "gnu"), ignore)] + fn gamma_stability() { + // Gamma has 3 cases: shape == 1, shape < 1, shape > 1 + test_samples(223, Gamma::new(1.0, 5.0).unwrap(), &[ +-- +2.25.1 diff --git a/compiler/rustc_codegen_cranelift/rust-toolchain b/compiler/rustc_codegen_cranelift/rust-toolchain index 14f2746ecb1..c0a2e7a7883 100644 --- a/compiler/rustc_codegen_cranelift/rust-toolchain +++ b/compiler/rustc_codegen_cranelift/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2022-08-24" +channel = "nightly-2022-10-23" components = ["rust-src", "rustc-dev", "llvm-tools-preview"] diff --git a/compiler/rustc_codegen_cranelift/scripts/setup_rust_fork.sh b/compiler/rustc_codegen_cranelift/scripts/setup_rust_fork.sh index 091bfa1e992..d6a37789599 100644 --- a/compiler/rustc_codegen_cranelift/scripts/setup_rust_fork.sh +++ b/compiler/rustc_codegen_cranelift/scripts/setup_rust_fork.sh @@ -10,6 +10,8 @@ git fetch git checkout -- . git checkout "$(rustc -V | cut -d' ' -f3 | tr -d '(')" +git am ../patches/*-sysroot-*.patch + git apply - <<EOF diff --git a/library/alloc/Cargo.toml b/library/alloc/Cargo.toml index d95b5b7f17f..00b6f0e3635 100644 @@ -66,3 +68,7 @@ popd # FIXME remove once inline asm is fully supported export RUSTFLAGS="$RUSTFLAGS --cfg=rustix_use_libc" + +# Allow the testsuite to use llvm tools +host_triple=$(rustc -vV | grep host | cut -d: -f2 | tr -d " ") +export LLVM_BIN_DIR="$(rustc --print sysroot)/lib/rustlib/$host_triple/bin" diff --git a/compiler/rustc_codegen_cranelift/scripts/test_rustc_tests.sh b/compiler/rustc_codegen_cranelift/scripts/test_rustc_tests.sh index 944787612d8..9b5db3cf81f 100755 --- a/compiler/rustc_codegen_cranelift/scripts/test_rustc_tests.sh +++ b/compiler/rustc_codegen_cranelift/scripts/test_rustc_tests.sh @@ -29,10 +29,6 @@ rm src/test/incremental/change_crate_dep_kind.rs rm src/test/incremental/issue-80691-bad-eval-cache.rs # -Cpanic=abort causes abort instead of exit(101) # requires compiling with -Cpanic=unwind -rm src/test/ui/test-attrs/test-fn-signature-verification-for-explicit-return-type.rs # "Cannot run dynamic test fn out-of-process" -rm src/test/ui/async-await/async-fn-size-moved-locals.rs # -Cpanic=abort shrinks some generator by one byte -rm src/test/ui/async-await/async-fn-size-uninit-locals.rs # same -rm src/test/ui/generator/size-moved-locals.rs # same rm -r src/test/ui/macros/rfc-2011-nicer-assert-messages/ # vendor intrinsics @@ -67,6 +63,7 @@ rm src/test/ui/target-feature/missing-plusminus.rs # error not implemented rm src/test/ui/fn/dyn-fn-alignment.rs # wants a 256 byte alignment rm -r src/test/run-make/emit-named-files # requires full --emit support rm src/test/ui/abi/stack-probes.rs # stack probes not yet implemented +rm src/test/ui/simd/intrinsic/ptr-cast.rs # simd_expose_addr intrinsic unimplemented # optimization tests # ================== @@ -110,12 +107,13 @@ rm src/test/ui/simd/intrinsic/generic-reduction-pass.rs # simd_reduce_add_unorde # bugs in the test suite # ====================== rm src/test/ui/backtrace.rs # TODO warning -rm src/test/ui/empty_global_asm.rs # TODO add needs-asm-support rm src/test/ui/simple_global_asm.rs # TODO add needs-asm-support rm src/test/ui/test-attrs/test-type.rs # TODO panic message on stderr. correct stdout # not sure if this is actually a bug in the test suite, but the symbol list shows the function without leading _ for some reason rm -r src/test/run-make/native-link-modifier-bundle +rm src/test/ui/stdio-is-blocking.rs # really slow with unoptimized libstd + echo "[TEST] rustc test suite" RUST_TEST_NOCAPTURE=1 COMPILETEST_FORCE_STAGE0=1 ./x.py test --stage 0 src/test/{codegen-units,run-make,run-pass-valgrind,ui,incremental} popd diff --git a/compiler/rustc_codegen_cranelift/src/abi/mod.rs b/compiler/rustc_codegen_cranelift/src/abi/mod.rs index 0497c2570e6..99059e788a0 100644 --- a/compiler/rustc_codegen_cranelift/src/abi/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/abi/mod.rs @@ -465,7 +465,7 @@ pub(crate) fn codegen_terminator_call<'tcx>( let sig = clif_sig_from_fn_abi(fx.tcx, fx.target_config.default_call_conv, &fn_abi); let sig = fx.bcx.import_signature(sig); - (CallTarget::Indirect(sig, method), Some(ptr)) + (CallTarget::Indirect(sig, method), Some(ptr.get_addr(fx))) } // Normal call @@ -560,7 +560,19 @@ pub(crate) fn codegen_drop<'tcx>( // we don't actually need to drop anything } else { match ty.kind() { - ty::Dynamic(..) => { + ty::Dynamic(_, _, ty::Dyn) => { + // IN THIS ARM, WE HAVE: + // ty = *mut (dyn Trait) + // which is: exists<T> ( *mut T, Vtable<T: Trait> ) + // args[0] args[1] + // + // args = ( Data, Vtable ) + // | + // v + // /-------\ + // | ... | + // \-------/ + // let (ptr, vtable) = drop_place.to_ptr_maybe_unsized(); let ptr = ptr.get_addr(fx); let drop_fn = crate::vtable::drop_fn_of_obj(fx, vtable.unwrap()); @@ -578,6 +590,43 @@ pub(crate) fn codegen_drop<'tcx>( let sig = fx.bcx.import_signature(sig); fx.bcx.ins().call_indirect(sig, drop_fn, &[ptr]); } + ty::Dynamic(_, _, ty::DynStar) => { + // IN THIS ARM, WE HAVE: + // ty = *mut (dyn* Trait) + // which is: *mut exists<T: sizeof(T) == sizeof(usize)> (T, Vtable<T: Trait>) + // + // args = [ * ] + // | + // v + // ( Data, Vtable ) + // | + // v + // /-------\ + // | ... | + // \-------/ + // + // + // WE CAN CONVERT THIS INTO THE ABOVE LOGIC BY DOING + // + // data = &(*args[0]).0 // gives a pointer to Data above (really the same pointer) + // vtable = (*args[0]).1 // loads the vtable out + // (data, vtable) // an equivalent Rust `*mut dyn Trait` + // + // SO THEN WE CAN USE THE ABOVE CODE. + let (data, vtable) = drop_place.to_cvalue(fx).dyn_star_force_data_on_stack(fx); + let drop_fn = crate::vtable::drop_fn_of_obj(fx, vtable); + + let virtual_drop = Instance { + def: ty::InstanceDef::Virtual(drop_instance.def_id(), 0), + substs: drop_instance.substs, + }; + let fn_abi = + RevealAllLayoutCx(fx.tcx).fn_abi_of_instance(virtual_drop, ty::List::empty()); + + let sig = clif_sig_from_fn_abi(fx.tcx, fx.target_config.default_call_conv, &fn_abi); + let sig = fx.bcx.import_signature(sig); + fx.bcx.ins().call_indirect(sig, drop_fn, &[data]); + } _ => { assert!(!matches!(drop_instance.def, InstanceDef::Virtual(_, _))); diff --git a/compiler/rustc_codegen_cranelift/src/allocator.rs b/compiler/rustc_codegen_cranelift/src/allocator.rs index 6d321c7b298..bad8a87b9be 100644 --- a/compiler/rustc_codegen_cranelift/src/allocator.rs +++ b/compiler/rustc_codegen_cranelift/src/allocator.rs @@ -78,7 +78,7 @@ fn codegen_inner( let callee_func_id = module.declare_function(&callee_name, Linkage::Import, &sig).unwrap(); let mut ctx = Context::new(); - ctx.func = Function::with_name_signature(ExternalName::user(0, 0), sig.clone()); + ctx.func.signature = sig.clone(); { let mut func_ctx = FunctionBuilderContext::new(); let mut bcx = FunctionBuilder::new(&mut ctx.func, &mut func_ctx); @@ -116,7 +116,7 @@ fn codegen_inner( let callee_func_id = module.declare_function(callee_name, Linkage::Import, &sig).unwrap(); let mut ctx = Context::new(); - ctx.func = Function::with_name_signature(ExternalName::user(0, 0), sig); + ctx.func.signature = sig; { let mut func_ctx = FunctionBuilderContext::new(); let mut bcx = FunctionBuilder::new(&mut ctx.func, &mut func_ctx); diff --git a/compiler/rustc_codegen_cranelift/src/archive.rs b/compiler/rustc_codegen_cranelift/src/archive.rs index b4c79096170..f2e3bf16e61 100644 --- a/compiler/rustc_codegen_cranelift/src/archive.rs +++ b/compiler/rustc_codegen_cranelift/src/archive.rs @@ -38,6 +38,7 @@ impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder { _lib_name: &str, _dll_imports: &[rustc_session::cstore::DllImport], _tmpdir: &Path, + _is_direct_dependency: bool, ) -> PathBuf { bug!("creating dll imports is not supported"); } @@ -159,6 +160,8 @@ impl<'a> ArchiveBuilder<'a> for ArArchiveBuilder<'a> { let err = err.to_string(); if err == "Unknown file magic" { // Not an object file; skip it. + } else if object::read::archive::ArchiveFile::parse(&*data).is_ok() { + // Nested archive file; skip it. } else { sess.fatal(&format!( "error parsing `{}` during archive creation: {}", diff --git a/compiler/rustc_codegen_cranelift/src/base.rs b/compiler/rustc_codegen_cranelift/src/base.rs index 4303d63fe21..a41b561598f 100644 --- a/compiler/rustc_codegen_cranelift/src/base.rs +++ b/compiler/rustc_codegen_cranelift/src/base.rs @@ -6,6 +6,8 @@ use rustc_middle::ty::adjustment::PointerCast; use rustc_middle::ty::layout::FnAbiOf; use rustc_middle::ty::print::with_no_trimmed_paths; +use cranelift_codegen::ir::UserFuncName; + use crate::constant::ConstantCx; use crate::debuginfo::FunctionDebugContext; use crate::prelude::*; @@ -64,7 +66,7 @@ pub(crate) fn codegen_fn<'tcx>( let mut func_ctx = FunctionBuilderContext::new(); let mut func = cached_func; func.clear(); - func.name = ExternalName::user(0, func_id.as_u32()); + func.name = UserFuncName::user(0, func_id.as_u32()); func.signature = sig; func.collect_debug_info(); @@ -706,9 +708,9 @@ fn codegen_stmt<'tcx>( let operand = codegen_operand(fx, operand); operand.unsize_value(fx, lval); } - Rvalue::Cast(CastKind::DynStar, _, _) => { - // FIXME(dyn-star) - unimplemented!() + Rvalue::Cast(CastKind::DynStar, ref operand, _) => { + let operand = codegen_operand(fx, operand); + operand.coerce_dyn_star(fx, lval); } Rvalue::Discriminant(place) => { let place = codegen_place(fx, place); @@ -922,7 +924,7 @@ pub(crate) fn codegen_operand<'tcx>( let cplace = codegen_place(fx, *place); cplace.to_cvalue(fx) } - Operand::Constant(const_) => crate::constant::codegen_constant(fx, const_), + Operand::Constant(const_) => crate::constant::codegen_constant_operand(fx, const_), } } diff --git a/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs b/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs index dfde9792046..f855e20e0a1 100644 --- a/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs +++ b/compiler/rustc_codegen_cranelift/src/concurrency_limiter.rs @@ -10,6 +10,7 @@ pub(super) struct ConcurrencyLimiter { helper_thread: Option<HelperThread>, state: Arc<Mutex<state::ConcurrencyLimiterState>>, available_token_condvar: Arc<Condvar>, + finished: bool, } impl ConcurrencyLimiter { @@ -32,6 +33,7 @@ impl ConcurrencyLimiter { helper_thread: Some(helper_thread), state, available_token_condvar: Arc::new(Condvar::new()), + finished: false, } } @@ -56,16 +58,23 @@ impl ConcurrencyLimiter { let mut state = self.state.lock().unwrap(); state.job_already_done(); } -} -impl Drop for ConcurrencyLimiter { - fn drop(&mut self) { - // + pub(crate) fn finished(mut self) { self.helper_thread.take(); // Assert that all jobs have finished let state = Mutex::get_mut(Arc::get_mut(&mut self.state).unwrap()).unwrap(); state.assert_done(); + + self.finished = true; + } +} + +impl Drop for ConcurrencyLimiter { + fn drop(&mut self) { + if !self.finished && !std::thread::panicking() { + panic!("Forgot to call finished() on ConcurrencyLimiter"); + } } } diff --git a/compiler/rustc_codegen_cranelift/src/constant.rs b/compiler/rustc_codegen_cranelift/src/constant.rs index c5f44bb8479..d4bc3543b2d 100644 --- a/compiler/rustc_codegen_cranelift/src/constant.rs +++ b/compiler/rustc_codegen_cranelift/src/constant.rs @@ -7,7 +7,6 @@ use rustc_middle::mir::interpret::{ }; use rustc_span::DUMMY_SP; -use cranelift_codegen::ir::GlobalValueData; use cranelift_module::*; use crate::prelude::*; @@ -81,53 +80,46 @@ pub(crate) fn codegen_tls_ref<'tcx>( CValue::by_val(tls_ptr, layout) } -fn codegen_static_ref<'tcx>( - fx: &mut FunctionCx<'_, '_, 'tcx>, - def_id: DefId, - layout: TyAndLayout<'tcx>, -) -> CPlace<'tcx> { - let data_id = data_id_for_static(fx.tcx, fx.module, def_id, false); - let local_data_id = fx.module.declare_data_in_func(data_id, &mut fx.bcx.func); - if fx.clif_comments.enabled() { - fx.add_comment(local_data_id, format!("{:?}", def_id)); - } - let global_ptr = fx.bcx.ins().global_value(fx.pointer_type, local_data_id); - assert!(!layout.is_unsized(), "unsized statics aren't supported"); - assert!( - matches!( - fx.bcx.func.global_values[local_data_id], - GlobalValueData::Symbol { tls: false, .. } - ), - "tls static referenced without Rvalue::ThreadLocalRef" - ); - CPlace::for_ptr(crate::pointer::Pointer::new(global_ptr), layout) -} - -pub(crate) fn codegen_constant<'tcx>( +pub(crate) fn eval_mir_constant<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, constant: &Constant<'tcx>, -) -> CValue<'tcx> { - let (const_val, ty) = match fx.monomorphize(constant.literal) { - ConstantKind::Ty(const_) => unreachable!("{:?}", const_), - ConstantKind::Unevaluated(mir::UnevaluatedConst { def, substs, promoted }, ty) +) -> (ConstValue<'tcx>, Ty<'tcx>) { + let constant_kind = fx.monomorphize(constant.literal); + let uv = match constant_kind { + ConstantKind::Ty(const_) => match const_.kind() { + ty::ConstKind::Unevaluated(uv) => uv.expand(), + ty::ConstKind::Value(val) => { + return (fx.tcx.valtree_to_const_val((const_.ty(), val)), const_.ty()); + } + err => span_bug!( + constant.span, + "encountered bad ConstKind after monomorphizing: {:?}", + err + ), + }, + ConstantKind::Unevaluated(mir::UnevaluatedConst { def, .. }, _) if fx.tcx.is_static(def.did) => { - assert!(substs.is_empty()); - assert!(promoted.is_none()); - - return codegen_static_ref(fx, def.did, fx.layout_of(ty)).to_cvalue(fx); - } - ConstantKind::Unevaluated(unevaluated, ty) => { - match fx.tcx.const_eval_resolve(ParamEnv::reveal_all(), unevaluated, None) { - Ok(const_val) => (const_val, ty), - Err(_) => { - span_bug!(constant.span, "erroneous constant not captured by required_consts"); - } - } + span_bug!(constant.span, "MIR constant refers to static"); } - ConstantKind::Val(val, ty) => (val, ty), + ConstantKind::Unevaluated(uv, _) => uv, + ConstantKind::Val(val, _) => return (val, constant_kind.ty()), }; + ( + fx.tcx.const_eval_resolve(ty::ParamEnv::reveal_all(), uv, None).unwrap_or_else(|_err| { + span_bug!(constant.span, "erroneous constant not captured by required_consts"); + }), + constant_kind.ty(), + ) +} + +pub(crate) fn codegen_constant_operand<'tcx>( + fx: &mut FunctionCx<'_, '_, 'tcx>, + constant: &Constant<'tcx>, +) -> CValue<'tcx> { + let (const_val, ty) = eval_mir_constant(fx, constant); + codegen_const_value(fx, const_val, ty) } @@ -244,7 +236,7 @@ pub(crate) fn codegen_const_value<'tcx>( } } -pub(crate) fn pointer_for_allocation<'tcx>( +fn pointer_for_allocation<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, alloc: ConstAllocation<'tcx>, ) -> crate::pointer::Pointer { @@ -467,14 +459,13 @@ pub(crate) fn mir_operand_get_const_val<'tcx>( operand: &Operand<'tcx>, ) -> Option<ConstValue<'tcx>> { match operand { - Operand::Constant(const_) => match const_.literal { - ConstantKind::Ty(const_) => fx - .monomorphize(const_) - .eval_for_mir(fx.tcx, ParamEnv::reveal_all()) - .try_to_value(fx.tcx), + Operand::Constant(const_) => match fx.monomorphize(const_.literal) { + ConstantKind::Ty(const_) => Some( + const_.eval_for_mir(fx.tcx, ParamEnv::reveal_all()).try_to_value(fx.tcx).unwrap(), + ), ConstantKind::Val(val, _) => Some(val), ConstantKind::Unevaluated(uv, _) => { - fx.tcx.const_eval_resolve(ParamEnv::reveal_all(), uv, None).ok() + Some(fx.tcx.const_eval_resolve(ParamEnv::reveal_all(), uv, None).unwrap()) } }, // FIXME(rust-lang/rust#85105): Casts like `IMM8 as u32` result in the const being stored diff --git a/compiler/rustc_codegen_cranelift/src/driver/aot.rs b/compiler/rustc_codegen_cranelift/src/driver/aot.rs index 8eabe1cbcb1..f873561c171 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/aot.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/aot.rs @@ -106,7 +106,7 @@ impl OngoingCodegen { } } - drop(self.concurrency_limiter); + self.concurrency_limiter.finished(); ( CodegenResults { diff --git a/compiler/rustc_codegen_cranelift/src/driver/jit.rs b/compiler/rustc_codegen_cranelift/src/driver/jit.rs index 0e77e4004c0..6a430b5215e 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/jit.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/jit.rs @@ -67,13 +67,12 @@ fn create_jit_module( hotswap: bool, ) -> (JITModule, CodegenCx) { let crate_info = CrateInfo::new(tcx, "dummy_target_cpu".to_string()); - let imported_symbols = load_imported_symbols_for_jit(tcx.sess, crate_info); let isa = crate::build_isa(tcx.sess, backend_config); let mut jit_builder = JITBuilder::with_isa(isa, cranelift_module::default_libcall_names()); jit_builder.hotswap(hotswap); crate::compiler_builtins::register_functions_for_jit(&mut jit_builder); - jit_builder.symbols(imported_symbols); + jit_builder.symbol_lookup_fn(dep_symbol_lookup_fn(tcx.sess, crate_info)); jit_builder.symbol("__clif_jit_fn", clif_jit_fn as *const u8); let mut jit_module = JITModule::new(jit_builder); @@ -286,10 +285,10 @@ fn jit_fn(instance_ptr: *const Instance<'static>, trampoline_ptr: *const u8) -> }) } -fn load_imported_symbols_for_jit( +fn dep_symbol_lookup_fn( sess: &Session, crate_info: CrateInfo, -) -> Vec<(String, *const u8)> { +) -> Box<dyn Fn(&str) -> Option<*const u8>> { use rustc_middle::middle::dependency_format::Linkage; let mut dylib_paths = Vec::new(); @@ -316,39 +315,23 @@ fn load_imported_symbols_for_jit( } } - let mut imported_symbols = Vec::new(); - for path in dylib_paths { - use object::{Object, ObjectSymbol}; - let lib = libloading::Library::new(&path).unwrap(); - let obj = std::fs::read(path).unwrap(); - let obj = object::File::parse(&*obj).unwrap(); - imported_symbols.extend(obj.dynamic_symbols().filter_map(|symbol| { - let name = symbol.name().unwrap().to_string(); - if name.is_empty() || !symbol.is_global() || symbol.is_undefined() { - return None; - } - if name.starts_with("rust_metadata_") { - // The metadata is part of a section that is not loaded by the dynamic linker in - // case of cg_llvm. - return None; - } - let dlsym_name = if cfg!(target_os = "macos") { - // On macOS `dlsym` expects the name without leading `_`. - assert!(name.starts_with('_'), "{:?}", name); - &name[1..] - } else { - &name - }; - let symbol: libloading::Symbol<'_, *const u8> = - unsafe { lib.get(dlsym_name.as_bytes()) }.unwrap(); - Some((name, *symbol)) - })); - std::mem::forget(lib) - } + let imported_dylibs = Box::leak( + dylib_paths + .into_iter() + .map(|path| unsafe { libloading::Library::new(&path).unwrap() }) + .collect::<Box<[_]>>(), + ); sess.abort_if_errors(); - imported_symbols + Box::new(move |sym_name| { + for dylib in &*imported_dylibs { + if let Ok(sym) = unsafe { dylib.get::<*const u8>(sym_name.as_bytes()) } { + return Some(*sym); + } + } + None + }) } fn codegen_shim<'tcx>( diff --git a/compiler/rustc_codegen_cranelift/src/inline_asm.rs b/compiler/rustc_codegen_cranelift/src/inline_asm.rs index 8b3d475cb18..3fcc84d3929 100644 --- a/compiler/rustc_codegen_cranelift/src/inline_asm.rs +++ b/compiler/rustc_codegen_cranelift/src/inline_asm.rs @@ -27,7 +27,7 @@ pub(crate) fn codegen_inline_asm<'tcx>( } // Used by stdarch - if template[0] == InlineAsmTemplatePiece::String("movq %rbx, ".to_string()) + if template[0] == InlineAsmTemplatePiece::String("mov ".to_string()) && matches!( template[1], InlineAsmTemplatePiece::Placeholder { @@ -36,24 +36,26 @@ pub(crate) fn codegen_inline_asm<'tcx>( span: _ } ) - && template[2] == InlineAsmTemplatePiece::String("\n".to_string()) - && template[3] == InlineAsmTemplatePiece::String("cpuid".to_string()) - && template[4] == InlineAsmTemplatePiece::String("\n".to_string()) - && template[5] == InlineAsmTemplatePiece::String("xchgq %rbx, ".to_string()) + && template[2] == InlineAsmTemplatePiece::String(", rbx".to_string()) + && template[3] == InlineAsmTemplatePiece::String("\n".to_string()) + && template[4] == InlineAsmTemplatePiece::String("cpuid".to_string()) + && template[5] == InlineAsmTemplatePiece::String("\n".to_string()) + && template[6] == InlineAsmTemplatePiece::String("xchg ".to_string()) && matches!( - template[6], + template[7], InlineAsmTemplatePiece::Placeholder { operand_idx: 0, modifier: Some('r'), span: _ } ) + && template[8] == InlineAsmTemplatePiece::String(", rbx".to_string()) { assert_eq!(operands.len(), 4); let (leaf, eax_place) = match operands[1] { InlineAsmOperand::InOut { reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::ax)), - late: true, + late: _, ref in_value, out_place: Some(out_place), } => ( @@ -68,7 +70,7 @@ pub(crate) fn codegen_inline_asm<'tcx>( InlineAsmRegOrRegClass::RegClass(InlineAsmRegClass::X86( X86InlineAsmRegClass::reg, )), - late: true, + late: _, place: Some(place), } => crate::base::codegen_place(fx, place), _ => unreachable!(), @@ -76,7 +78,7 @@ pub(crate) fn codegen_inline_asm<'tcx>( let (sub_leaf, ecx_place) = match operands[2] { InlineAsmOperand::InOut { reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::cx)), - late: true, + late: _, ref in_value, out_place: Some(out_place), } => ( @@ -88,7 +90,7 @@ pub(crate) fn codegen_inline_asm<'tcx>( let edx_place = match operands[3] { InlineAsmOperand::Out { reg: InlineAsmRegOrRegClass::Reg(InlineAsmReg::X86(X86InlineAsmReg::dx)), - late: true, + late: _, place: Some(place), } => crate::base::codegen_place(fx, place), _ => unreachable!(), diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/llvm.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/llvm.rs index a799dca938e..783d426c30b 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/llvm.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/llvm.rs @@ -14,6 +14,10 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>( target: Option<BasicBlock>, ) { match intrinsic { + "llvm.x86.sse2.pause" | "llvm.aarch64.isb" => { + // Spin loop hint + } + // Used by `_mm_movemask_epi8` and `_mm256_movemask_epi8` "llvm.x86.sse2.pmovmskb.128" | "llvm.x86.avx2.pmovmskb" | "llvm.x86.sse2.movmsk.pd" => { intrinsic_args!(fx, args => (a); intrinsic); @@ -25,8 +29,7 @@ pub(crate) fn codegen_llvm_intrinsic_call<'tcx>( let mut res = fx.bcx.ins().iconst(types::I32, 0); for lane in (0..lane_count).rev() { - let a_lane = - a.value_field(fx, mir::Field::new(lane.try_into().unwrap())).load_scalar(fx); + let a_lane = a.value_lane(fx, lane).load_scalar(fx); // cast float to int let a_lane = match lane_ty { diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs index 2e4ca594f91..0302b843aa2 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs @@ -84,6 +84,30 @@ fn simd_for_each_lane<'tcx>( } } +fn simd_pair_for_each_lane_typed<'tcx>( + fx: &mut FunctionCx<'_, '_, 'tcx>, + x: CValue<'tcx>, + y: CValue<'tcx>, + ret: CPlace<'tcx>, + f: &dyn Fn(&mut FunctionCx<'_, '_, 'tcx>, CValue<'tcx>, CValue<'tcx>) -> CValue<'tcx>, +) { + assert_eq!(x.layout(), y.layout()); + let layout = x.layout(); + + let (lane_count, _lane_ty) = layout.ty.simd_size_and_type(fx.tcx); + let (ret_lane_count, _ret_lane_ty) = ret.layout().ty.simd_size_and_type(fx.tcx); + assert_eq!(lane_count, ret_lane_count); + + for lane_idx in 0..lane_count { + let x_lane = x.value_lane(fx, lane_idx); + let y_lane = y.value_lane(fx, lane_idx); + + let res_lane = f(fx, x_lane, y_lane); + + ret.place_lane(fx, lane_idx).write_cvalue(fx, res_lane); + } +} + fn simd_pair_for_each_lane<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, x: CValue<'tcx>, @@ -504,37 +528,7 @@ fn codegen_regular_intrinsic_call<'tcx>( _ => unreachable!(), }; - let signed = type_sign(lhs.layout().ty); - - let checked_res = crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs); - - let (val, has_overflow) = checked_res.load_scalar_pair(fx); - let clif_ty = fx.clif_type(lhs.layout().ty).unwrap(); - - let (min, max) = type_min_max_value(&mut fx.bcx, clif_ty, signed); - - let val = match (intrinsic, signed) { - (sym::saturating_add, false) => fx.bcx.ins().select(has_overflow, max, val), - (sym::saturating_sub, false) => fx.bcx.ins().select(has_overflow, min, val), - (sym::saturating_add, true) => { - let rhs = rhs.load_scalar(fx); - let rhs_ge_zero = - fx.bcx.ins().icmp_imm(IntCC::SignedGreaterThanOrEqual, rhs, 0); - let sat_val = fx.bcx.ins().select(rhs_ge_zero, max, min); - fx.bcx.ins().select(has_overflow, sat_val, val) - } - (sym::saturating_sub, true) => { - let rhs = rhs.load_scalar(fx); - let rhs_ge_zero = - fx.bcx.ins().icmp_imm(IntCC::SignedGreaterThanOrEqual, rhs, 0); - let sat_val = fx.bcx.ins().select(rhs_ge_zero, min, max); - fx.bcx.ins().select(has_overflow, sat_val, val) - } - _ => unreachable!(), - }; - - let res = CValue::by_val(val, lhs.layout()); - + let res = crate::num::codegen_saturating_int_binop(fx, bin_op, lhs, rhs); ret.write_cvalue(fx, res); } sym::rotate_left => { @@ -819,8 +813,8 @@ fn codegen_regular_intrinsic_call<'tcx>( sym::ptr_guaranteed_cmp => { intrinsic_args!(fx, args => (a, b); intrinsic); - let val = crate::num::codegen_ptr_binop(fx, BinOp::Eq, a, b); - ret.write_cvalue(fx, val); + let val = crate::num::codegen_ptr_binop(fx, BinOp::Eq, a, b).load_scalar(fx); + ret.write_cvalue(fx, CValue::by_val(val, fx.layout_of(fx.tcx.types.u8))); } sym::caller_location => { @@ -1206,7 +1200,7 @@ fn codegen_regular_intrinsic_call<'tcx>( // FIXME once unwinding is supported, change this to actually catch panics let f_sig = fx.bcx.func.import_signature(Signature { call_conv: fx.target_config.default_call_conv, - params: vec![AbiParam::new(fx.bcx.func.dfg.value_type(data))], + params: vec![AbiParam::new(pointer_ty(fx.tcx))], returns: vec![], }); diff --git a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs index 1f358b1bbb9..51fce8c854b 100644 --- a/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs +++ b/compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs @@ -2,6 +2,7 @@ use rustc_middle::ty::subst::SubstsRef; use rustc_span::Symbol; +use rustc_target::abi::Endian; use super::*; use crate::prelude::*; @@ -26,7 +27,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( span: Span, ) { match intrinsic { - sym::simd_cast => { + sym::simd_as | sym::simd_cast => { intrinsic_args!(fx, args => (a); intrinsic); if !a.layout().ty.is_simd() { @@ -162,6 +163,7 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( } } } else { + // FIXME remove this case intrinsic.as_str()["simd_shuffle".len()..].parse().unwrap() }; @@ -650,8 +652,128 @@ pub(super) fn codegen_simd_intrinsic_call<'tcx>( } } - // simd_saturating_* - // simd_bitmask + sym::simd_select_bitmask => { + intrinsic_args!(fx, args => (m, a, b); intrinsic); + + if !a.layout().ty.is_simd() { + report_simd_type_validation_error(fx, intrinsic, span, a.layout().ty); + return; + } + assert_eq!(a.layout(), b.layout()); + + let (lane_count, lane_ty) = a.layout().ty.simd_size_and_type(fx.tcx); + let lane_layout = fx.layout_of(lane_ty); + + let m = m.load_scalar(fx); + + for lane in 0..lane_count { + let m_lane = fx.bcx.ins().ushr_imm(m, u64::from(lane) as i64); + let m_lane = fx.bcx.ins().band_imm(m_lane, 1); + let a_lane = a.value_lane(fx, lane).load_scalar(fx); + let b_lane = b.value_lane(fx, lane).load_scalar(fx); + + let m_lane = fx.bcx.ins().icmp_imm(IntCC::Equal, m_lane, 0); + let res_lane = + CValue::by_val(fx.bcx.ins().select(m_lane, b_lane, a_lane), lane_layout); + + ret.place_lane(fx, lane).write_cvalue(fx, res_lane); + } + } + + sym::simd_bitmask => { + intrinsic_args!(fx, args => (a); intrinsic); + + let (lane_count, lane_ty) = a.layout().ty.simd_size_and_type(fx.tcx); + let lane_clif_ty = fx.clif_type(lane_ty).unwrap(); + + // The `fn simd_bitmask(vector) -> unsigned integer` intrinsic takes a + // vector mask and returns the most significant bit (MSB) of each lane in the form + // of either: + // * an unsigned integer + // * an array of `u8` + // If the vector has less than 8 lanes, a u8 is returned with zeroed trailing bits. + // + // The bit order of the result depends on the byte endianness, LSB-first for little + // endian and MSB-first for big endian. + let expected_int_bits = lane_count.max(8); + let expected_bytes = expected_int_bits / 8 + ((expected_int_bits % 8 > 0) as u64); + + match lane_ty.kind() { + ty::Int(_) | ty::Uint(_) => {} + _ => { + fx.tcx.sess.span_fatal( + span, + &format!( + "invalid monomorphization of `simd_bitmask` intrinsic: \ + vector argument `{}`'s element type `{}`, expected integer element \ + type", + a.layout().ty, + lane_ty + ), + ); + } + } + + let res_type = + Type::int_with_byte_size(u16::try_from(expected_bytes).unwrap()).unwrap(); + let mut res = fx.bcx.ins().iconst(res_type, 0); + + let lanes = match fx.tcx.sess.target.endian { + Endian::Big => Box::new(0..lane_count) as Box<dyn Iterator<Item = u64>>, + Endian::Little => Box::new((0..lane_count).rev()) as Box<dyn Iterator<Item = u64>>, + }; + for lane in lanes { + let a_lane = a.value_lane(fx, lane).load_scalar(fx); + + // extract sign bit of an int + let a_lane_sign = fx.bcx.ins().ushr_imm(a_lane, i64::from(lane_clif_ty.bits() - 1)); + + // shift sign bit into result + let a_lane_sign = clif_intcast(fx, a_lane_sign, res_type, false); + res = fx.bcx.ins().ishl_imm(res, 1); + res = fx.bcx.ins().bor(res, a_lane_sign); + } + + match ret.layout().ty.kind() { + ty::Uint(i) if i.bit_width() == Some(expected_int_bits) => {} + ty::Array(elem, len) + if matches!(elem.kind(), ty::Uint(ty::UintTy::U8)) + && len.try_eval_usize(fx.tcx, ty::ParamEnv::reveal_all()) + == Some(expected_bytes) => {} + _ => { + fx.tcx.sess.span_fatal( + span, + &format!( + "invalid monomorphization of `simd_bitmask` intrinsic: \ + cannot return `{}`, expected `u{}` or `[u8; {}]`", + ret.layout().ty, + expected_int_bits, + expected_bytes + ), + ); + } + } + + let res = CValue::by_val(res, ret.layout()); + ret.write_cvalue(fx, res); + } + + sym::simd_saturating_add | sym::simd_saturating_sub => { + intrinsic_args!(fx, args => (x, y); intrinsic); + + let bin_op = match intrinsic { + sym::simd_saturating_add => BinOp::Add, + sym::simd_saturating_sub => BinOp::Sub, + _ => unreachable!(), + }; + + // FIXME use vector instructions when possible + simd_pair_for_each_lane_typed(fx, x, y, ret, &|fx, x_lane, y_lane| { + crate::num::codegen_saturating_int_binop(fx, bin_op, x_lane, y_lane) + }); + } + + // simd_arith_offset // simd_scatter // simd_gather _ => { diff --git a/compiler/rustc_codegen_cranelift/src/lib.rs b/compiler/rustc_codegen_cranelift/src/lib.rs index 913414e7618..629d79d5012 100644 --- a/compiler/rustc_codegen_cranelift/src/lib.rs +++ b/compiler/rustc_codegen_cranelift/src/lib.rs @@ -96,8 +96,8 @@ mod prelude { pub(crate) use cranelift_codegen::ir::function::Function; pub(crate) use cranelift_codegen::ir::types; pub(crate) use cranelift_codegen::ir::{ - AbiParam, Block, ExternalName, FuncRef, Inst, InstBuilder, MemFlags, Signature, SourceLoc, - StackSlot, StackSlotData, StackSlotKind, TrapCode, Type, Value, + AbiParam, Block, FuncRef, Inst, InstBuilder, MemFlags, Signature, SourceLoc, StackSlot, + StackSlotData, StackSlotKind, TrapCode, Type, Value, }; pub(crate) use cranelift_codegen::isa::{self, CallConv}; pub(crate) use cranelift_codegen::Context; @@ -251,7 +251,6 @@ fn build_isa(sess: &Session, backend_config: &BackendConfig) -> Box<dyn isa::Tar let mut flags_builder = settings::builder(); flags_builder.enable("is_pic").unwrap(); - flags_builder.set("enable_probestack", "false").unwrap(); // __cranelift_probestack is not provided let enable_verifier = if backend_config.enable_verifier { "true" } else { "false" }; flags_builder.set("enable_verifier", enable_verifier).unwrap(); flags_builder.set("regalloc_checker", enable_verifier).unwrap(); @@ -279,6 +278,15 @@ fn build_isa(sess: &Session, backend_config: &BackendConfig) -> Box<dyn isa::Tar } } + if target_triple.architecture == target_lexicon::Architecture::X86_64 { + // Windows depends on stack probes to grow the committed part of the stack + flags_builder.enable("enable_probestack").unwrap(); + flags_builder.set("probestack_strategy", "inline").unwrap(); + } else { + // __cranelift_probestack is not provided and inline stack probes are only supported on x86_64 + flags_builder.set("enable_probestack", "false").unwrap(); + } + let flags = settings::Flags::new(flags_builder); let isa_builder = match sess.opts.cg.target_cpu.as_deref() { diff --git a/compiler/rustc_codegen_cranelift/src/main_shim.rs b/compiler/rustc_codegen_cranelift/src/main_shim.rs index 3c024a84d90..cae6312a607 100644 --- a/compiler/rustc_codegen_cranelift/src/main_shim.rs +++ b/compiler/rustc_codegen_cranelift/src/main_shim.rs @@ -75,7 +75,7 @@ pub(crate) fn maybe_create_entry_wrapper( let main_func_id = m.declare_function(main_name, Linkage::Import, &main_sig).unwrap(); let mut ctx = Context::new(); - ctx.func = Function::with_name_signature(ExternalName::user(0, 0), cmain_sig); + ctx.func.signature = cmain_sig; { let mut func_ctx = FunctionBuilderContext::new(); let mut bcx = FunctionBuilder::new(&mut ctx.func, &mut func_ctx); diff --git a/compiler/rustc_codegen_cranelift/src/num.rs b/compiler/rustc_codegen_cranelift/src/num.rs index 4ce8adb182e..ecbab408ded 100644 --- a/compiler/rustc_codegen_cranelift/src/num.rs +++ b/compiler/rustc_codegen_cranelift/src/num.rs @@ -150,18 +150,12 @@ pub(crate) fn codegen_int_binop<'tcx>( BinOp::BitXor => b.bxor(lhs, rhs), BinOp::BitAnd => b.band(lhs, rhs), BinOp::BitOr => b.bor(lhs, rhs), - BinOp::Shl => { - let lhs_ty = fx.bcx.func.dfg.value_type(lhs); - let actual_shift = fx.bcx.ins().band_imm(rhs, i64::from(lhs_ty.bits() - 1)); - fx.bcx.ins().ishl(lhs, actual_shift) - } + BinOp::Shl => b.ishl(lhs, rhs), BinOp::Shr => { - let lhs_ty = fx.bcx.func.dfg.value_type(lhs); - let actual_shift = fx.bcx.ins().band_imm(rhs, i64::from(lhs_ty.bits() - 1)); if signed { - fx.bcx.ins().sshr(lhs, actual_shift) + b.sshr(lhs, rhs) } else { - fx.bcx.ins().ushr(lhs, actual_shift) + b.ushr(lhs, rhs) } } // Compare binops handles by `codegen_binop`. @@ -279,22 +273,15 @@ pub(crate) fn codegen_checked_int_binop<'tcx>( } } BinOp::Shl => { - let lhs_ty = fx.bcx.func.dfg.value_type(lhs); - let masked_shift = fx.bcx.ins().band_imm(rhs, i64::from(lhs_ty.bits() - 1)); - let val = fx.bcx.ins().ishl(lhs, masked_shift); + let val = fx.bcx.ins().ishl(lhs, rhs); let ty = fx.bcx.func.dfg.value_type(val); let max_shift = i64::from(ty.bits()) - 1; let has_overflow = fx.bcx.ins().icmp_imm(IntCC::UnsignedGreaterThan, rhs, max_shift); (val, has_overflow) } BinOp::Shr => { - let lhs_ty = fx.bcx.func.dfg.value_type(lhs); - let masked_shift = fx.bcx.ins().band_imm(rhs, i64::from(lhs_ty.bits() - 1)); - let val = if !signed { - fx.bcx.ins().ushr(lhs, masked_shift) - } else { - fx.bcx.ins().sshr(lhs, masked_shift) - }; + let val = + if !signed { fx.bcx.ins().ushr(lhs, rhs) } else { fx.bcx.ins().sshr(lhs, rhs) }; let ty = fx.bcx.func.dfg.value_type(val); let max_shift = i64::from(ty.bits()) - 1; let has_overflow = fx.bcx.ins().icmp_imm(IntCC::UnsignedGreaterThan, rhs, max_shift); @@ -309,6 +296,42 @@ pub(crate) fn codegen_checked_int_binop<'tcx>( CValue::by_val_pair(res, has_overflow, out_layout) } +pub(crate) fn codegen_saturating_int_binop<'tcx>( + fx: &mut FunctionCx<'_, '_, 'tcx>, + bin_op: BinOp, + lhs: CValue<'tcx>, + rhs: CValue<'tcx>, +) -> CValue<'tcx> { + assert_eq!(lhs.layout().ty, rhs.layout().ty); + + let signed = type_sign(lhs.layout().ty); + let clif_ty = fx.clif_type(lhs.layout().ty).unwrap(); + let (min, max) = type_min_max_value(&mut fx.bcx, clif_ty, signed); + + let checked_res = crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs); + let (val, has_overflow) = checked_res.load_scalar_pair(fx); + + let val = match (bin_op, signed) { + (BinOp::Add, false) => fx.bcx.ins().select(has_overflow, max, val), + (BinOp::Sub, false) => fx.bcx.ins().select(has_overflow, min, val), + (BinOp::Add, true) => { + let rhs = rhs.load_scalar(fx); + let rhs_ge_zero = fx.bcx.ins().icmp_imm(IntCC::SignedGreaterThanOrEqual, rhs, 0); + let sat_val = fx.bcx.ins().select(rhs_ge_zero, max, min); + fx.bcx.ins().select(has_overflow, sat_val, val) + } + (BinOp::Sub, true) => { + let rhs = rhs.load_scalar(fx); + let rhs_ge_zero = fx.bcx.ins().icmp_imm(IntCC::SignedGreaterThanOrEqual, rhs, 0); + let sat_val = fx.bcx.ins().select(rhs_ge_zero, min, max); + fx.bcx.ins().select(has_overflow, sat_val, val) + } + _ => unreachable!(), + }; + + CValue::by_val(val, lhs.layout()) +} + pub(crate) fn codegen_float_binop<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, bin_op: BinOp, diff --git a/compiler/rustc_codegen_cranelift/src/unsize.rs b/compiler/rustc_codegen_cranelift/src/unsize.rs index dd9d891ddbd..9c88f7dbcda 100644 --- a/compiler/rustc_codegen_cranelift/src/unsize.rs +++ b/compiler/rustc_codegen_cranelift/src/unsize.rs @@ -25,7 +25,12 @@ pub(crate) fn unsized_info<'tcx>( .bcx .ins() .iconst(fx.pointer_type, len.eval_usize(fx.tcx, ParamEnv::reveal_all()) as i64), - (&ty::Dynamic(ref data_a, ..), &ty::Dynamic(ref data_b, ..)) => { + ( + &ty::Dynamic(ref data_a, _, src_dyn_kind), + &ty::Dynamic(ref data_b, _, target_dyn_kind), + ) => { + assert_eq!(src_dyn_kind, target_dyn_kind); + let old_info = old_info.expect("unsized_info: missing old info for trait upcasting coercion"); if data_a.principal_def_id() == data_b.principal_def_id() { @@ -101,6 +106,21 @@ fn unsize_ptr<'tcx>( } } +/// Coerces `src` to `dst_ty` which is guaranteed to be a `dyn*` type. +pub(crate) fn cast_to_dyn_star<'tcx>( + fx: &mut FunctionCx<'_, '_, 'tcx>, + src: Value, + src_ty_and_layout: TyAndLayout<'tcx>, + dst_ty: Ty<'tcx>, + old_info: Option<Value>, +) -> (Value, Value) { + assert!( + matches!(dst_ty.kind(), ty::Dynamic(_, _, ty::DynStar)), + "destination type must be a dyn*" + ); + (src, unsized_info(fx, src_ty_and_layout.ty, dst_ty, old_info)) +} + /// Coerce `src`, which is a reference to a value of type `src_ty`, /// to a value of type `dst_ty` and store the result in `dst` pub(crate) fn coerce_unsized_into<'tcx>( @@ -147,6 +167,24 @@ pub(crate) fn coerce_unsized_into<'tcx>( } } +pub(crate) fn coerce_dyn_star<'tcx>( + fx: &mut FunctionCx<'_, '_, 'tcx>, + src: CValue<'tcx>, + dst: CPlace<'tcx>, +) { + let (data, extra) = if let ty::Dynamic(_, _, ty::DynStar) = src.layout().ty.kind() { + let (data, vtable) = src.load_scalar_pair(fx); + (data, Some(vtable)) + } else { + let data = src.load_scalar(fx); + (data, None) + }; + + let (data, vtable) = cast_to_dyn_star(fx, data, src.layout(), dst.layout().ty, extra); + + dst.write_cvalue(fx, CValue::by_val_pair(data, vtable, dst.layout())); +} + // Adapted from https://github.com/rust-lang/rust/blob/2a663555ddf36f6b041445894a8c175cd1bc718c/src/librustc_codegen_ssa/glue.rs pub(crate) fn size_and_align_of_dst<'tcx>( diff --git a/compiler/rustc_codegen_cranelift/src/value_and_place.rs b/compiler/rustc_codegen_cranelift/src/value_and_place.rs index 3fa3e3657cb..c3dfbd37279 100644 --- a/compiler/rustc_codegen_cranelift/src/value_and_place.rs +++ b/compiler/rustc_codegen_cranelift/src/value_and_place.rs @@ -107,6 +107,50 @@ impl<'tcx> CValue<'tcx> { } } + // FIXME remove + // Forces the data value of a dyn* value to the stack and returns a pointer to it as well as the + // vtable pointer. + pub(crate) fn dyn_star_force_data_on_stack( + self, + fx: &mut FunctionCx<'_, '_, 'tcx>, + ) -> (Value, Value) { + assert!(self.1.ty.is_dyn_star()); + + match self.0 { + CValueInner::ByRef(ptr, None) => { + let (a_scalar, b_scalar) = match self.1.abi { + Abi::ScalarPair(a, b) => (a, b), + _ => unreachable!("dyn_star_force_data_on_stack({:?})", self), + }; + let b_offset = scalar_pair_calculate_b_offset(fx.tcx, a_scalar, b_scalar); + let clif_ty2 = scalar_to_clif_type(fx.tcx, b_scalar); + let mut flags = MemFlags::new(); + flags.set_notrap(); + let vtable = ptr.offset(fx, b_offset).load(fx, clif_ty2, flags); + (ptr.get_addr(fx), vtable) + } + CValueInner::ByValPair(data, vtable) => { + let stack_slot = fx.bcx.create_sized_stack_slot(StackSlotData { + kind: StackSlotKind::ExplicitSlot, + // FIXME Don't force the size to a multiple of 16 bytes once Cranelift gets a way to + // specify stack slot alignment. + size: (u32::try_from(fx.target_config.pointer_type().bytes()).unwrap() + 15) + / 16 + * 16, + }); + let data_ptr = Pointer::stack_slot(stack_slot); + let mut flags = MemFlags::new(); + flags.set_notrap(); + data_ptr.store(fx, data, flags); + + (data_ptr.get_addr(fx), vtable) + } + CValueInner::ByRef(_, Some(_)) | CValueInner::ByVal(_) => { + unreachable!("dyn_star_force_data_on_stack({:?})", self) + } + } + } + pub(crate) fn try_to_ptr(self) -> Option<(Pointer, Option<Value>)> { match self.0 { CValueInner::ByRef(ptr, meta) => Some((ptr, meta)), @@ -236,6 +280,10 @@ impl<'tcx> CValue<'tcx> { crate::unsize::coerce_unsized_into(fx, self, dest); } + pub(crate) fn coerce_dyn_star(self, fx: &mut FunctionCx<'_, '_, 'tcx>, dest: CPlace<'tcx>) { + crate::unsize::coerce_dyn_star(fx, self, dest); + } + /// If `ty` is signed, `const_val` must already be sign extended. pub(crate) fn const_val( fx: &mut FunctionCx<'_, '_, 'tcx>, diff --git a/compiler/rustc_codegen_cranelift/src/vtable.rs b/compiler/rustc_codegen_cranelift/src/vtable.rs index 36b3725ef42..f04fb82de8c 100644 --- a/compiler/rustc_codegen_cranelift/src/vtable.rs +++ b/compiler/rustc_codegen_cranelift/src/vtable.rs @@ -45,12 +45,26 @@ pub(crate) fn get_ptr_and_method_ref<'tcx>( fx: &mut FunctionCx<'_, '_, 'tcx>, arg: CValue<'tcx>, idx: usize, -) -> (Value, Value) { - let (ptr, vtable) = if let Abi::ScalarPair(_, _) = arg.layout().abi { - arg.load_scalar_pair(fx) - } else { - let (ptr, vtable) = arg.try_to_ptr().unwrap(); - (ptr.get_addr(fx), vtable.unwrap()) +) -> (Pointer, Value) { + let (ptr, vtable) = 'block: { + if let ty::Ref(_, ty, _) = arg.layout().ty.kind() { + if ty.is_dyn_star() { + let inner_layout = fx.layout_of(arg.layout().ty.builtin_deref(true).unwrap().ty); + let dyn_star = CPlace::for_ptr(Pointer::new(arg.load_scalar(fx)), inner_layout); + let ptr = dyn_star.place_field(fx, mir::Field::new(0)).to_ptr(); + let vtable = + dyn_star.place_field(fx, mir::Field::new(1)).to_cvalue(fx).load_scalar(fx); + break 'block (ptr, vtable); + } + } + + if let Abi::ScalarPair(_, _) = arg.layout().abi { + let (ptr, vtable) = arg.load_scalar_pair(fx); + (Pointer::new(ptr), vtable) + } else { + let (ptr, vtable) = arg.try_to_ptr().unwrap(); + (ptr, vtable.unwrap()) + } }; let usize_size = fx.layout_of(fx.tcx.types.usize).size.bytes(); diff --git a/compiler/rustc_codegen_gcc/src/archive.rs b/compiler/rustc_codegen_gcc/src/archive.rs index ac0342f6b80..f18ae7ea5e9 100644 --- a/compiler/rustc_codegen_gcc/src/archive.rs +++ b/compiler/rustc_codegen_gcc/src/archive.rs @@ -47,6 +47,7 @@ impl ArchiveBuilderBuilder for ArArchiveBuilderBuilder { _lib_name: &str, _dll_imports: &[DllImport], _tmpdir: &Path, + _is_direct_dependency: bool, ) -> PathBuf { unimplemented!(); } diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs index d7816e395c8..15ad90f9043 100644 --- a/compiler/rustc_codegen_gcc/src/errors.rs +++ b/compiler/rustc_codegen_gcc/src/errors.rs @@ -17,7 +17,7 @@ impl IntoDiagnosticArg for ExitCode { } #[derive(Diagnostic)] -#[diag(codegen_gcc::ranlib_failure)] +#[diag(codegen_gcc_ranlib_failure)] pub(crate) struct RanlibFailure { exit_code: ExitCode, } @@ -29,7 +29,7 @@ impl RanlibFailure { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_basic_integer, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_basic_integer, code = "E0511")] pub(crate) struct InvalidMonomorphizationBasicInteger<'a> { #[primary_span] pub span: Span, @@ -38,7 +38,7 @@ pub(crate) struct InvalidMonomorphizationBasicInteger<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_invalid_float_vector, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_invalid_float_vector, code = "E0511")] pub(crate) struct InvalidMonomorphizationInvalidFloatVector<'a> { #[primary_span] pub span: Span, @@ -48,7 +48,7 @@ pub(crate) struct InvalidMonomorphizationInvalidFloatVector<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_not_float, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_not_float, code = "E0511")] pub(crate) struct InvalidMonomorphizationNotFloat<'a> { #[primary_span] pub span: Span, @@ -57,7 +57,7 @@ pub(crate) struct InvalidMonomorphizationNotFloat<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_unrecognized, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_unrecognized, code = "E0511")] pub(crate) struct InvalidMonomorphizationUnrecognized { #[primary_span] pub span: Span, @@ -65,7 +65,7 @@ pub(crate) struct InvalidMonomorphizationUnrecognized { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_expected_signed_unsigned, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_expected_signed_unsigned, code = "E0511")] pub(crate) struct InvalidMonomorphizationExpectedSignedUnsigned<'a> { #[primary_span] pub span: Span, @@ -75,7 +75,7 @@ pub(crate) struct InvalidMonomorphizationExpectedSignedUnsigned<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_unsupported_element, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_unsupported_element, code = "E0511")] pub(crate) struct InvalidMonomorphizationUnsupportedElement<'a> { #[primary_span] pub span: Span, @@ -86,7 +86,7 @@ pub(crate) struct InvalidMonomorphizationUnsupportedElement<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_invalid_bitmask, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_invalid_bitmask, code = "E0511")] pub(crate) struct InvalidMonomorphizationInvalidBitmask<'a> { #[primary_span] pub span: Span, @@ -97,7 +97,7 @@ pub(crate) struct InvalidMonomorphizationInvalidBitmask<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_simd_shuffle, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_simd_shuffle, code = "E0511")] pub(crate) struct InvalidMonomorphizationSimdShuffle<'a> { #[primary_span] pub span: Span, @@ -106,7 +106,7 @@ pub(crate) struct InvalidMonomorphizationSimdShuffle<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_expected_simd, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_expected_simd, code = "E0511")] pub(crate) struct InvalidMonomorphizationExpectedSimd<'a> { #[primary_span] pub span: Span, @@ -116,7 +116,7 @@ pub(crate) struct InvalidMonomorphizationExpectedSimd<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_mask_type, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_mask_type, code = "E0511")] pub(crate) struct InvalidMonomorphizationMaskType<'a> { #[primary_span] pub span: Span, @@ -125,7 +125,7 @@ pub(crate) struct InvalidMonomorphizationMaskType<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_return_length, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_return_length, code = "E0511")] pub(crate) struct InvalidMonomorphizationReturnLength<'a> { #[primary_span] pub span: Span, @@ -136,7 +136,7 @@ pub(crate) struct InvalidMonomorphizationReturnLength<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_return_length_input_type, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_return_length_input_type, code = "E0511")] pub(crate) struct InvalidMonomorphizationReturnLengthInputType<'a> { #[primary_span] pub span: Span, @@ -148,7 +148,7 @@ pub(crate) struct InvalidMonomorphizationReturnLengthInputType<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_return_element, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_return_element, code = "E0511")] pub(crate) struct InvalidMonomorphizationReturnElement<'a> { #[primary_span] pub span: Span, @@ -160,7 +160,7 @@ pub(crate) struct InvalidMonomorphizationReturnElement<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_return_type, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_return_type, code = "E0511")] pub(crate) struct InvalidMonomorphizationReturnType<'a> { #[primary_span] pub span: Span, @@ -171,7 +171,7 @@ pub(crate) struct InvalidMonomorphizationReturnType<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_inserted_type, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_inserted_type, code = "E0511")] pub(crate) struct InvalidMonomorphizationInsertedType<'a> { #[primary_span] pub span: Span, @@ -182,7 +182,7 @@ pub(crate) struct InvalidMonomorphizationInsertedType<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_return_integer_type, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_return_integer_type, code = "E0511")] pub(crate) struct InvalidMonomorphizationReturnIntegerType<'a> { #[primary_span] pub span: Span, @@ -192,7 +192,7 @@ pub(crate) struct InvalidMonomorphizationReturnIntegerType<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_mismatched_lengths, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_mismatched_lengths, code = "E0511")] pub(crate) struct InvalidMonomorphizationMismatchedLengths { #[primary_span] pub span: Span, @@ -202,7 +202,7 @@ pub(crate) struct InvalidMonomorphizationMismatchedLengths { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_unsupported_cast, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_unsupported_cast, code = "E0511")] pub(crate) struct InvalidMonomorphizationUnsupportedCast<'a> { #[primary_span] pub span: Span, @@ -214,7 +214,7 @@ pub(crate) struct InvalidMonomorphizationUnsupportedCast<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::invalid_monomorphization_unsupported_operation, code = "E0511")] +#[diag(codegen_gcc_invalid_monomorphization_unsupported_operation, code = "E0511")] pub(crate) struct InvalidMonomorphizationUnsupportedOperation<'a> { #[primary_span] pub span: Span, @@ -224,18 +224,18 @@ pub(crate) struct InvalidMonomorphizationUnsupportedOperation<'a> { } #[derive(Diagnostic)] -#[diag(codegen_gcc::linkage_const_or_mut_type)] +#[diag(codegen_gcc_linkage_const_or_mut_type)] pub(crate) struct LinkageConstOrMutType { #[primary_span] pub span: Span } #[derive(Diagnostic)] -#[diag(codegen_gcc::lto_not_supported)] +#[diag(codegen_gcc_lto_not_supported)] pub(crate) struct LTONotSupported; #[derive(Diagnostic)] -#[diag(codegen_gcc::unwinding_inline_asm)] +#[diag(codegen_gcc_unwinding_inline_asm)] pub(crate) struct UnwindingInlineAsm { #[primary_span] pub span: Span diff --git a/compiler/rustc_codegen_llvm/src/back/archive.rs b/compiler/rustc_codegen_llvm/src/back/archive.rs index 20a063f80fd..082665bba38 100644 --- a/compiler/rustc_codegen_llvm/src/back/archive.rs +++ b/compiler/rustc_codegen_llvm/src/back/archive.rs @@ -165,10 +165,12 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder { lib_name: &str, dll_imports: &[DllImport], tmpdir: &Path, + is_direct_dependency: bool, ) -> PathBuf { + let name_suffix = if is_direct_dependency { "_imports" } else { "_imports_indirect" }; let output_path = { let mut output_path: PathBuf = tmpdir.to_path_buf(); - output_path.push(format!("{}_imports", lib_name)); + output_path.push(format!("{}{}", lib_name, name_suffix)); output_path.with_extension("lib") }; @@ -195,7 +197,8 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder { // that loaded but crashed with an AV upon calling one of the imported // functions. Therefore, use binutils to create the import library instead, // by writing a .DEF file to the temp dir and calling binutils's dlltool. - let def_file_path = tmpdir.join(format!("{}_imports", lib_name)).with_extension("def"); + let def_file_path = + tmpdir.join(format!("{}{}", lib_name, name_suffix)).with_extension("def"); let def_file_content = format!( "EXPORTS\n{}", diff --git a/compiler/rustc_codegen_llvm/src/back/lto.rs b/compiler/rustc_codegen_llvm/src/back/lto.rs index cef7bf1e803..a49cc7f8d66 100644 --- a/compiler/rustc_codegen_llvm/src/back/lto.rs +++ b/compiler/rustc_codegen_llvm/src/back/lto.rs @@ -32,8 +32,8 @@ pub const THIN_LTO_KEYS_INCR_COMP_FILE_NAME: &str = "thin-lto-past-keys.bin"; pub fn crate_type_allows_lto(crate_type: CrateType) -> bool { match crate_type { - CrateType::Executable | CrateType::Staticlib | CrateType::Cdylib => true, - CrateType::Dylib | CrateType::Rlib | CrateType::ProcMacro => false, + CrateType::Executable | CrateType::Dylib | CrateType::Staticlib | CrateType::Cdylib => true, + CrateType::Rlib | CrateType::ProcMacro => false, } } @@ -73,17 +73,6 @@ fn prepare_lto( // with either fat or thin LTO let mut upstream_modules = Vec::new(); if cgcx.lto != Lto::ThinLocal { - if cgcx.opts.cg.prefer_dynamic { - diag_handler - .struct_err("cannot prefer dynamic linking when performing LTO") - .note( - "only 'staticlib', 'bin', and 'cdylib' outputs are \ - supported with LTO", - ) - .emit(); - return Err(FatalError); - } - // Make sure we actually can run LTO for crate_type in cgcx.crate_types.iter() { if !crate_type_allows_lto(*crate_type) { @@ -92,9 +81,25 @@ fn prepare_lto( static library outputs", ); return Err(e); + } else if *crate_type == CrateType::Dylib { + if !cgcx.opts.unstable_opts.dylib_lto { + return Err(diag_handler + .fatal("lto cannot be used for `dylib` crate type without `-Zdylib-lto`")); + } } } + if cgcx.opts.cg.prefer_dynamic && !cgcx.opts.unstable_opts.dylib_lto { + diag_handler + .struct_err("cannot prefer dynamic linking when performing LTO") + .note( + "only 'staticlib', 'bin', and 'cdylib' outputs are \ + supported with LTO", + ) + .emit(); + return Err(FatalError); + } + for &(cnum, ref path) in cgcx.each_linked_rlib_for_lto.iter() { let exported_symbols = cgcx.exported_symbols.as_ref().expect("needs exported symbols for LTO"); diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs index b83c1e8f08f..6f0d1b7ce84 100644 --- a/compiler/rustc_codegen_llvm/src/callee.rs +++ b/compiler/rustc_codegen_llvm/src/callee.rs @@ -179,7 +179,8 @@ pub fn get_fn<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'tcx>) -> // MinGW: For backward compatibility we rely on the linker to decide whether it // should use dllimport for functions. if cx.use_dll_storage_attrs - && tcx.is_dllimport_foreign_item(instance_def_id) + && let Some(library) = tcx.native_library(instance_def_id) + && library.kind.is_dllimport() && !matches!(tcx.sess.target.env.as_ref(), "gnu" | "uclibc") { llvm::LLVMSetDLLStorageClass(llfn, llvm::DLLStorageClass::DllImport); diff --git a/compiler/rustc_codegen_llvm/src/consts.rs b/compiler/rustc_codegen_llvm/src/consts.rs index ee2fc65e37b..dd3c43ba5ca 100644 --- a/compiler/rustc_codegen_llvm/src/consts.rs +++ b/compiler/rustc_codegen_llvm/src/consts.rs @@ -332,7 +332,10 @@ impl<'ll> CodegenCx<'ll, '_> { } } - if self.use_dll_storage_attrs && self.tcx.is_dllimport_foreign_item(def_id) { + if self.use_dll_storage_attrs + && let Some(library) = self.tcx.native_library(def_id) + && library.kind.is_dllimport() + { // For foreign (native) libs we know the exact storage type to use. unsafe { llvm::LLVMSetDLLStorageClass(g, llvm::DLLStorageClass::DllImport); diff --git a/compiler/rustc_codegen_ssa/src/back/archive.rs b/compiler/rustc_codegen_ssa/src/back/archive.rs index bad58d0a8a0..bb76ca5d2b9 100644 --- a/compiler/rustc_codegen_ssa/src/back/archive.rs +++ b/compiler/rustc_codegen_ssa/src/back/archive.rs @@ -25,6 +25,7 @@ pub trait ArchiveBuilderBuilder { lib_name: &str, dll_imports: &[DllImport], tmpdir: &Path, + is_direct_dependency: bool, ) -> PathBuf; fn extract_bundled_libs( diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 88b584c3086..0dc0dee862c 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -11,7 +11,7 @@ use rustc_metadata::find_native_static_library; use rustc_metadata::fs::{emit_metadata, METADATA_FILENAME}; use rustc_middle::middle::dependency_format::Linkage; use rustc_middle::middle::exported_symbols::SymbolExportKind; -use rustc_session::config::{self, CFGuard, CrateType, DebugInfo, LdImpl, Strip}; +use rustc_session::config::{self, CFGuard, CrateType, DebugInfo, LdImpl, Lto, Strip}; use rustc_session::config::{OutputFilenames, OutputType, PrintRequest, SplitDwarfKind}; use rustc_session::cstore::DllImport; use rustc_session::output::{check_file_is_writeable, invalid_output_for_target, out_filename}; @@ -39,6 +39,7 @@ use cc::windows_registry; use regex::Regex; use tempfile::Builder as TempFileBuilder; +use itertools::Itertools; use std::borrow::Borrow; use std::cell::OnceCell; use std::collections::BTreeSet; @@ -208,11 +209,29 @@ pub fn link_binary<'a>( } pub fn each_linked_rlib( + sess: &Session, info: &CrateInfo, f: &mut dyn FnMut(CrateNum, &Path), ) -> Result<(), errors::LinkRlibError> { let crates = info.used_crates.iter(); let mut fmts = None; + + let lto_active = matches!(sess.lto(), Lto::Fat | Lto::Thin); + if lto_active { + for combination in info.dependency_formats.iter().combinations(2) { + let (ty1, list1) = &combination[0]; + let (ty2, list2) = &combination[1]; + if list1 != list2 { + return Err(errors::LinkRlibError::IncompatibleDependencyFormats { + ty1: format!("{ty1:?}"), + ty2: format!("{ty2:?}"), + list1: format!("{list1:?}"), + list2: format!("{list2:?}"), + }); + } + } + } + for (ty, list) in info.dependency_formats.iter() { match ty { CrateType::Executable @@ -222,6 +241,10 @@ pub fn each_linked_rlib( fmts = Some(list); break; } + CrateType::Dylib if lto_active => { + fmts = Some(list); + break; + } _ => {} } } @@ -368,13 +391,14 @@ fn link_rlib<'a>( } for (raw_dylib_name, raw_dylib_imports) in - collate_raw_dylibs(sess, &codegen_results.crate_info.used_libraries)? + collate_raw_dylibs(sess, codegen_results.crate_info.used_libraries.iter())? { let output_path = archive_builder_builder.create_dll_import_lib( sess, &raw_dylib_name, &raw_dylib_imports, tmpdir.as_ref(), + true, ); ab.add_archive(&output_path, Box::new(|_| false)).unwrap_or_else(|error| { @@ -426,9 +450,9 @@ fn link_rlib<'a>( /// then the CodegenResults value contains one NativeLib instance for each block. However, the /// linker appears to expect only a single import library for each library used, so we need to /// collate the symbols together by library name before generating the import libraries. -fn collate_raw_dylibs( - sess: &Session, - used_libraries: &[NativeLib], +fn collate_raw_dylibs<'a, 'b>( + sess: &'a Session, + used_libraries: impl IntoIterator<Item = &'b NativeLib>, ) -> Result<Vec<(String, Vec<DllImport>)>, ErrorGuaranteed> { // Use index maps to preserve original order of imports and libraries. let mut dylib_table = FxIndexMap::<String, FxIndexMap<Symbol, &DllImport>>::default(); @@ -490,7 +514,7 @@ fn link_staticlib<'a>( )?; let mut all_native_libs = vec![]; - let res = each_linked_rlib(&codegen_results.crate_info, &mut |cnum, path| { + let res = each_linked_rlib(sess, &codegen_results.crate_info, &mut |cnum, path| { let name = codegen_results.crate_info.crate_name[&cnum]; let native_libs = &codegen_results.crate_info.native_libraries[&cnum]; @@ -2045,13 +2069,43 @@ fn linker_with_args<'a>( // Link with the import library generated for any raw-dylib functions. for (raw_dylib_name, raw_dylib_imports) in - collate_raw_dylibs(sess, &codegen_results.crate_info.used_libraries)? + collate_raw_dylibs(sess, codegen_results.crate_info.used_libraries.iter())? + { + cmd.add_object(&archive_builder_builder.create_dll_import_lib( + sess, + &raw_dylib_name, + &raw_dylib_imports, + tmpdir, + true, + )); + } + // As with add_upstream_native_libraries, we need to add the upstream raw-dylib symbols in case + // they are used within inlined functions or instantiated generic functions. We do this *after* + // handling the raw-dylib symbols in the current crate to make sure that those are chosen first + // by the linker. + let (_, dependency_linkage) = codegen_results + .crate_info + .dependency_formats + .iter() + .find(|(ty, _)| *ty == crate_type) + .expect("failed to find crate type in dependency format list"); + let native_libraries_from_nonstatics = codegen_results + .crate_info + .native_libraries + .iter() + .filter_map(|(cnum, libraries)| { + (dependency_linkage[cnum.as_usize() - 1] != Linkage::Static).then(|| libraries) + }) + .flatten(); + for (raw_dylib_name, raw_dylib_imports) in + collate_raw_dylibs(sess, native_libraries_from_nonstatics)? { cmd.add_object(&archive_builder_builder.create_dll_import_lib( sess, &raw_dylib_name, &raw_dylib_imports, tmpdir, + false, )); } diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs index b92e146bee2..99ddd176478 100644 --- a/compiler/rustc_codegen_ssa/src/back/metadata.rs +++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs @@ -117,6 +117,10 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static "riscv32" => Architecture::Riscv32, "riscv64" => Architecture::Riscv64, "sparc64" => Architecture::Sparc64, + "avr" => Architecture::Avr, + "msp430" => Architecture::Msp430, + "hexagon" => Architecture::Hexagon, + "bpf" => Architecture::Bpf, // Unsupported architecture. _ => return None, }; diff --git a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs index 8d7e2c5cf39..c2ecc41601c 100644 --- a/compiler/rustc_codegen_ssa/src/back/symbol_export.rs +++ b/compiler/rustc_codegen_ssa/src/back/symbol_export.rs @@ -13,7 +13,7 @@ use rustc_middle::ty::query::{ExternProviders, Providers}; use rustc_middle::ty::subst::{GenericArgKind, SubstsRef}; use rustc_middle::ty::Instance; use rustc_middle::ty::{self, SymbolName, TyCtxt}; -use rustc_session::config::CrateType; +use rustc_session::config::{CrateType, OomStrategy}; use rustc_target::spec::SanitizerSet; pub fn threshold(tcx: TyCtxt<'_>) -> SymbolExportLevel { @@ -76,7 +76,7 @@ fn reachable_non_generics_provider(tcx: TyCtxt<'_>, cnum: CrateNum) -> DefIdMap< // let it through if it's included statically. match tcx.hir().get_by_def_id(def_id) { Node::ForeignItem(..) => { - tcx.is_statically_included_foreign_item(def_id).then_some(def_id) + tcx.native_library(def_id).map_or(false, |library| library.kind.is_statically_included()).then_some(def_id) } // Only consider nodes that actually have exported symbols. @@ -206,6 +206,15 @@ fn exported_symbols_provider_local<'tcx>( }, )); } + + symbols.push(( + ExportedSymbol::NoDefId(SymbolName::new(tcx, OomStrategy::SYMBOL)), + SymbolExportInfo { + level: SymbolExportLevel::Rust, + kind: SymbolExportKind::Text, + used: false, + }, + )); } if tcx.sess.instrument_coverage() || tcx.sess.opts.cg.profile_generate.enabled() { diff --git a/compiler/rustc_codegen_ssa/src/back/write.rs b/compiler/rustc_codegen_ssa/src/back/write.rs index a292bfce31e..d0ac016b02e 100644 --- a/compiler/rustc_codegen_ssa/src/back/write.rs +++ b/compiler/rustc_codegen_ssa/src/back/write.rs @@ -999,6 +999,14 @@ fn start_executing_work<B: ExtraBackendMethods>( let coordinator_send = tx_to_llvm_workers; let sess = tcx.sess; + let mut each_linked_rlib_for_lto = Vec::new(); + drop(link::each_linked_rlib(sess, crate_info, &mut |cnum, path| { + if link::ignored_for_lto(sess, crate_info, cnum) { + return; + } + each_linked_rlib_for_lto.push((cnum, path.to_path_buf())); + })); + // Compute the set of symbols we need to retain when doing LTO (if we need to) let exported_symbols = { let mut exported_symbols = FxHashMap::default(); @@ -1020,7 +1028,7 @@ fn start_executing_work<B: ExtraBackendMethods>( } Lto::Fat | Lto::Thin => { exported_symbols.insert(LOCAL_CRATE, copy_symbols(LOCAL_CRATE)); - for &cnum in tcx.crates(()).iter() { + for &(cnum, ref _path) in &each_linked_rlib_for_lto { exported_symbols.insert(cnum, copy_symbols(cnum)); } Some(Arc::new(exported_symbols)) @@ -1040,14 +1048,6 @@ fn start_executing_work<B: ExtraBackendMethods>( }) .expect("failed to spawn helper thread"); - let mut each_linked_rlib_for_lto = Vec::new(); - drop(link::each_linked_rlib(crate_info, &mut |cnum, path| { - if link::ignored_for_lto(sess, crate_info, cnum) { - return; - } - each_linked_rlib_for_lto.push((cnum, path.to_path_buf())); - })); - let ol = if tcx.sess.opts.unstable_opts.no_codegen || !tcx.sess.opts.output_types.should_codegen() { // If we know that we won’t be doing codegen, create target machines without optimisation. diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index ff1eee37ad9..84b89cd71a6 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -337,40 +337,26 @@ pub fn coerce_unsized_into<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( pub fn cast_shift_expr_rhs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( bx: &mut Bx, - op: hir::BinOpKind, - lhs: Bx::Value, - rhs: Bx::Value, -) -> Bx::Value { - cast_shift_rhs(bx, op, lhs, rhs) -} - -fn cast_shift_rhs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( - bx: &mut Bx, - op: hir::BinOpKind, lhs: Bx::Value, rhs: Bx::Value, ) -> Bx::Value { // Shifts may have any size int on the rhs - if op.is_shift() { - let mut rhs_llty = bx.cx().val_ty(rhs); - let mut lhs_llty = bx.cx().val_ty(lhs); - if bx.cx().type_kind(rhs_llty) == TypeKind::Vector { - rhs_llty = bx.cx().element_type(rhs_llty) - } - if bx.cx().type_kind(lhs_llty) == TypeKind::Vector { - lhs_llty = bx.cx().element_type(lhs_llty) - } - let rhs_sz = bx.cx().int_width(rhs_llty); - let lhs_sz = bx.cx().int_width(lhs_llty); - if lhs_sz < rhs_sz { - bx.trunc(rhs, lhs_llty) - } else if lhs_sz > rhs_sz { - // FIXME (#1877: If in the future shifting by negative - // values is no longer undefined then this is wrong. - bx.zext(rhs, lhs_llty) - } else { - rhs - } + let mut rhs_llty = bx.cx().val_ty(rhs); + let mut lhs_llty = bx.cx().val_ty(lhs); + if bx.cx().type_kind(rhs_llty) == TypeKind::Vector { + rhs_llty = bx.cx().element_type(rhs_llty) + } + if bx.cx().type_kind(lhs_llty) == TypeKind::Vector { + lhs_llty = bx.cx().element_type(lhs_llty) + } + let rhs_sz = bx.cx().int_width(rhs_llty); + let lhs_sz = bx.cx().int_width(lhs_llty); + if lhs_sz < rhs_sz { + bx.trunc(rhs, lhs_llty) + } else if lhs_sz > rhs_sz { + // FIXME (#1877: If in the future shifting by negative + // values is no longer undefined then this is wrong. + bx.zext(rhs, lhs_llty) } else { rhs } diff --git a/compiler/rustc_codegen_ssa/src/common.rs b/compiler/rustc_codegen_ssa/src/common.rs index 8ca1a6084cf..71f9179d02c 100644 --- a/compiler/rustc_codegen_ssa/src/common.rs +++ b/compiler/rustc_codegen_ssa/src/common.rs @@ -1,7 +1,6 @@ #![allow(non_camel_case_types)] use rustc_errors::struct_span_err; -use rustc_hir as hir; use rustc_hir::LangItem; use rustc_middle::mir::interpret::ConstValue; use rustc_middle::ty::{self, layout::TyAndLayout, Ty, TyCtxt}; @@ -140,7 +139,7 @@ pub fn build_unchecked_lshift<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( lhs: Bx::Value, rhs: Bx::Value, ) -> Bx::Value { - let rhs = base::cast_shift_expr_rhs(bx, hir::BinOpKind::Shl, lhs, rhs); + let rhs = base::cast_shift_expr_rhs(bx, lhs, rhs); // #1877, #10183: Ensure that input is always valid let rhs = shift_mask_rhs(bx, rhs); bx.shl(lhs, rhs) @@ -152,7 +151,7 @@ pub fn build_unchecked_rshift<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( lhs: Bx::Value, rhs: Bx::Value, ) -> Bx::Value { - let rhs = base::cast_shift_expr_rhs(bx, hir::BinOpKind::Shr, lhs, rhs); + let rhs = base::cast_shift_expr_rhs(bx, lhs, rhs); // #1877, #10183: Ensure that input is always valid let rhs = shift_mask_rhs(bx, rhs); let is_signed = lhs_t.is_signed(); diff --git a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs index 135ed680da2..e05646e1e86 100644 --- a/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs +++ b/compiler/rustc_codegen_ssa/src/debuginfo/type_names.rs @@ -666,10 +666,8 @@ fn push_const_param<'tcx>(tcx: TyCtxt<'tcx>, ct: ty::Const<'tcx>, output: &mut S hcx.while_hashing_spans(false, |hcx| { ct.to_valtree().hash_stable(hcx, &mut hasher) }); - // Note: Don't use `StableHashResult` impl of `u64` here directly, since that - // would lead to endianness problems. - let hash: u128 = hasher.finish(); - (hash.to_le() as u64).to_le() + let hash: u64 = hasher.finish(); + hash }); if cpp_like_debuginfo(tcx) { diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index 0ffe8872022..ebb531f1c43 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -13,43 +13,43 @@ use std::path::{Path, PathBuf}; use std::process::ExitStatus; #[derive(Diagnostic)] -#[diag(codegen_ssa::lib_def_write_failure)] +#[diag(codegen_ssa_lib_def_write_failure)] pub struct LibDefWriteFailure { pub error: Error, } #[derive(Diagnostic)] -#[diag(codegen_ssa::version_script_write_failure)] +#[diag(codegen_ssa_version_script_write_failure)] pub struct VersionScriptWriteFailure { pub error: Error, } #[derive(Diagnostic)] -#[diag(codegen_ssa::symbol_file_write_failure)] +#[diag(codegen_ssa_symbol_file_write_failure)] pub struct SymbolFileWriteFailure { pub error: Error, } #[derive(Diagnostic)] -#[diag(codegen_ssa::ld64_unimplemented_modifier)] +#[diag(codegen_ssa_ld64_unimplemented_modifier)] pub struct Ld64UnimplementedModifier; #[derive(Diagnostic)] -#[diag(codegen_ssa::linker_unsupported_modifier)] +#[diag(codegen_ssa_linker_unsupported_modifier)] pub struct LinkerUnsupportedModifier; #[derive(Diagnostic)] -#[diag(codegen_ssa::L4Bender_exporting_symbols_unimplemented)] +#[diag(codegen_ssa_L4Bender_exporting_symbols_unimplemented)] pub struct L4BenderExportingSymbolsUnimplemented; #[derive(Diagnostic)] -#[diag(codegen_ssa::no_natvis_directory)] +#[diag(codegen_ssa_no_natvis_directory)] pub struct NoNatvisDirectory { pub error: Error, } #[derive(Diagnostic)] -#[diag(codegen_ssa::copy_path_buf)] +#[diag(codegen_ssa_copy_path_buf)] pub struct CopyPathBuf { pub source_file: PathBuf, pub output_path: PathBuf, @@ -58,7 +58,7 @@ pub struct CopyPathBuf { // Reports Paths using `Debug` implementation rather than Path's `Display` implementation. #[derive(Diagnostic)] -#[diag(codegen_ssa::copy_path)] +#[diag(codegen_ssa_copy_path)] pub struct CopyPath<'a> { from: DebugArgPath<'a>, to: DebugArgPath<'a>, @@ -80,36 +80,36 @@ impl IntoDiagnosticArg for DebugArgPath<'_> { } #[derive(Diagnostic)] -#[diag(codegen_ssa::ignoring_emit_path)] +#[diag(codegen_ssa_ignoring_emit_path)] pub struct IgnoringEmitPath { pub extension: String, } #[derive(Diagnostic)] -#[diag(codegen_ssa::ignoring_output)] +#[diag(codegen_ssa_ignoring_output)] pub struct IgnoringOutput { pub extension: String, } #[derive(Diagnostic)] -#[diag(codegen_ssa::create_temp_dir)] +#[diag(codegen_ssa_create_temp_dir)] pub struct CreateTempDir { pub error: Error, } #[derive(Diagnostic)] -#[diag(codegen_ssa::incompatible_linking_modifiers)] +#[diag(codegen_ssa_incompatible_linking_modifiers)] pub struct IncompatibleLinkingModifiers; #[derive(Diagnostic)] -#[diag(codegen_ssa::add_native_library)] +#[diag(codegen_ssa_add_native_library)] pub struct AddNativeLibrary { pub library_path: PathBuf, pub error: Error, } #[derive(Diagnostic)] -#[diag(codegen_ssa::multiple_external_func_decl)] +#[diag(codegen_ssa_multiple_external_func_decl)] pub struct MultipleExternalFuncDecl<'a> { #[primary_span] pub span: Span, @@ -119,14 +119,17 @@ pub struct MultipleExternalFuncDecl<'a> { #[derive(Diagnostic)] pub enum LinkRlibError { - #[diag(codegen_ssa::rlib_missing_format)] + #[diag(codegen_ssa_rlib_missing_format)] MissingFormat, - #[diag(codegen_ssa::rlib_only_rmeta_found)] + #[diag(codegen_ssa_rlib_only_rmeta_found)] OnlyRmetaFound { crate_name: Symbol }, - #[diag(codegen_ssa::rlib_not_found)] + #[diag(codegen_ssa_rlib_not_found)] NotFound { crate_name: Symbol }, + + #[diag(codegen_ssa_rlib_incompatible_dependency_formats)] + IncompatibleDependencyFormats { ty1: String, ty2: String, list1: String, list2: String }, } pub struct ThorinErrorWrapper(pub thorin::Error); @@ -136,188 +139,188 @@ impl IntoDiagnostic<'_> for ThorinErrorWrapper { let mut diag; match self.0 { thorin::Error::ReadInput(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_read_input_failure); + diag = handler.struct_err(fluent::codegen_ssa_thorin_read_input_failure); diag } thorin::Error::ParseFileKind(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_input_file_kind); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_input_file_kind); diag } thorin::Error::ParseObjectFile(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_input_object_file); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_input_object_file); diag } thorin::Error::ParseArchiveFile(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_input_archive_file); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_input_archive_file); diag } thorin::Error::ParseArchiveMember(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_archive_member); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_archive_member); diag } thorin::Error::InvalidInputKind => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_invalid_input_kind); + diag = handler.struct_err(fluent::codegen_ssa_thorin_invalid_input_kind); diag } thorin::Error::DecompressData(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_decompress_data); + diag = handler.struct_err(fluent::codegen_ssa_thorin_decompress_data); diag } thorin::Error::NamelessSection(_, offset) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_section_without_name); + diag = handler.struct_err(fluent::codegen_ssa_thorin_section_without_name); diag.set_arg("offset", format!("0x{:08x}", offset)); diag } thorin::Error::RelocationWithInvalidSymbol(section, offset) => { diag = - handler.struct_err(fluent::codegen_ssa::thorin_relocation_with_invalid_symbol); + handler.struct_err(fluent::codegen_ssa_thorin_relocation_with_invalid_symbol); diag.set_arg("section", section); diag.set_arg("offset", format!("0x{:08x}", offset)); diag } thorin::Error::MultipleRelocations(section, offset) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_multiple_relocations); + diag = handler.struct_err(fluent::codegen_ssa_thorin_multiple_relocations); diag.set_arg("section", section); diag.set_arg("offset", format!("0x{:08x}", offset)); diag } thorin::Error::UnsupportedRelocation(section, offset) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_unsupported_relocation); + diag = handler.struct_err(fluent::codegen_ssa_thorin_unsupported_relocation); diag.set_arg("section", section); diag.set_arg("offset", format!("0x{:08x}", offset)); diag } thorin::Error::MissingDwoName(id) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_missing_dwo_name); + diag = handler.struct_err(fluent::codegen_ssa_thorin_missing_dwo_name); diag.set_arg("id", format!("0x{:08x}", id)); diag } thorin::Error::NoCompilationUnits => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_no_compilation_units); + diag = handler.struct_err(fluent::codegen_ssa_thorin_no_compilation_units); diag } thorin::Error::NoDie => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_no_die); + diag = handler.struct_err(fluent::codegen_ssa_thorin_no_die); diag } thorin::Error::TopLevelDieNotUnit => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_top_level_die_not_unit); + diag = handler.struct_err(fluent::codegen_ssa_thorin_top_level_die_not_unit); diag } thorin::Error::MissingRequiredSection(section) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_missing_required_section); + diag = handler.struct_err(fluent::codegen_ssa_thorin_missing_required_section); diag.set_arg("section", section); diag } thorin::Error::ParseUnitAbbreviations(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_unit_abbreviations); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_unit_abbreviations); diag } thorin::Error::ParseUnitAttribute(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_unit_attribute); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_unit_attribute); diag } thorin::Error::ParseUnitHeader(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_unit_header); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_unit_header); diag } thorin::Error::ParseUnit(_) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_unit); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_unit); diag } thorin::Error::IncompatibleIndexVersion(section, format, actual) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_incompatible_index_version); + diag = handler.struct_err(fluent::codegen_ssa_thorin_incompatible_index_version); diag.set_arg("section", section); diag.set_arg("actual", actual); diag.set_arg("format", format); diag } thorin::Error::OffsetAtIndex(_, index) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_offset_at_index); + diag = handler.struct_err(fluent::codegen_ssa_thorin_offset_at_index); diag.set_arg("index", index); diag } thorin::Error::StrAtOffset(_, offset) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_str_at_offset); + diag = handler.struct_err(fluent::codegen_ssa_thorin_str_at_offset); diag.set_arg("offset", format!("0x{:08x}", offset)); diag } thorin::Error::ParseIndex(_, section) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_parse_index); + diag = handler.struct_err(fluent::codegen_ssa_thorin_parse_index); diag.set_arg("section", section); diag } thorin::Error::UnitNotInIndex(unit) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_unit_not_in_index); + diag = handler.struct_err(fluent::codegen_ssa_thorin_unit_not_in_index); diag.set_arg("unit", format!("0x{:08x}", unit)); diag } thorin::Error::RowNotInIndex(_, row) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_row_not_in_index); + diag = handler.struct_err(fluent::codegen_ssa_thorin_row_not_in_index); diag.set_arg("row", row); diag } thorin::Error::SectionNotInRow => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_section_not_in_row); + diag = handler.struct_err(fluent::codegen_ssa_thorin_section_not_in_row); diag } thorin::Error::EmptyUnit(unit) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_empty_unit); + diag = handler.struct_err(fluent::codegen_ssa_thorin_empty_unit); diag.set_arg("unit", format!("0x{:08x}", unit)); diag } thorin::Error::MultipleDebugInfoSection => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_multiple_debug_info_section); + diag = handler.struct_err(fluent::codegen_ssa_thorin_multiple_debug_info_section); diag } thorin::Error::MultipleDebugTypesSection => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_multiple_debug_types_section); + diag = handler.struct_err(fluent::codegen_ssa_thorin_multiple_debug_types_section); diag } thorin::Error::NotSplitUnit => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_not_split_unit); + diag = handler.struct_err(fluent::codegen_ssa_thorin_not_split_unit); diag } thorin::Error::DuplicateUnit(unit) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_duplicate_unit); + diag = handler.struct_err(fluent::codegen_ssa_thorin_duplicate_unit); diag.set_arg("unit", format!("0x{:08x}", unit)); diag } thorin::Error::MissingReferencedUnit(unit) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_missing_referenced_unit); + diag = handler.struct_err(fluent::codegen_ssa_thorin_missing_referenced_unit); diag.set_arg("unit", format!("0x{:08x}", unit)); diag } thorin::Error::NoOutputObjectCreated => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_not_output_object_created); + diag = handler.struct_err(fluent::codegen_ssa_thorin_not_output_object_created); diag } thorin::Error::MixedInputEncodings => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_mixed_input_encodings); + diag = handler.struct_err(fluent::codegen_ssa_thorin_mixed_input_encodings); diag } thorin::Error::Io(e) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_io); + diag = handler.struct_err(fluent::codegen_ssa_thorin_io); diag.set_arg("error", format!("{e}")); diag } thorin::Error::ObjectRead(e) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_object_read); + diag = handler.struct_err(fluent::codegen_ssa_thorin_object_read); diag.set_arg("error", format!("{e}")); diag } thorin::Error::ObjectWrite(e) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_object_write); + diag = handler.struct_err(fluent::codegen_ssa_thorin_object_write); diag.set_arg("error", format!("{e}")); diag } thorin::Error::GimliRead(e) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_gimli_read); + diag = handler.struct_err(fluent::codegen_ssa_thorin_gimli_read); diag.set_arg("error", format!("{e}")); diag } thorin::Error::GimliWrite(e) => { - diag = handler.struct_err(fluent::codegen_ssa::thorin_gimli_write); + diag = handler.struct_err(fluent::codegen_ssa_thorin_gimli_write); diag.set_arg("error", format!("{e}")); diag } @@ -335,7 +338,7 @@ pub struct LinkingFailed<'a> { impl IntoDiagnostic<'_> for LinkingFailed<'_> { fn into_diagnostic(self, handler: &Handler) -> DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(fluent::codegen_ssa::linking_failed); + let mut diag = handler.struct_err(fluent::codegen_ssa_linking_failed); diag.set_arg("linker_path", format!("{}", self.linker_path.display())); diag.set_arg("exit_status", format!("{}", self.exit_status)); @@ -344,9 +347,9 @@ impl IntoDiagnostic<'_> for LinkingFailed<'_> { // Trying to match an error from OS linkers // which by now we have no way to translate. if self.escaped_output.contains("undefined reference to") { - diag.note(fluent::codegen_ssa::extern_funcs_not_found) - .note(fluent::codegen_ssa::specify_libraries_to_link) - .note(fluent::codegen_ssa::use_cargo_directive); + diag.note(fluent::codegen_ssa_extern_funcs_not_found) + .note(fluent::codegen_ssa_specify_libraries_to_link) + .note(fluent::codegen_ssa_use_cargo_directive); } diag } diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index bd4f0cac7eb..29b7c9b0a88 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -63,7 +63,9 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { } } - fn lltarget<Bx: BuilderMethods<'a, 'tcx>>( + /// Get a basic block (creating it if necessary), possibly with a landing + /// pad next to it. + fn llbb_with_landing_pad<Bx: BuilderMethods<'a, 'tcx>>( &self, fx: &mut FunctionCx<'a, 'tcx, Bx>, target: mir::BasicBlock, @@ -73,32 +75,36 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { let target_funclet = fx.cleanup_kinds[target].funclet_bb(target); match (self.funclet_bb, target_funclet) { (None, None) => (lltarget, false), - (Some(f), Some(t_f)) if f == t_f || !base::wants_msvc_seh(fx.cx.tcx().sess) => { - (lltarget, false) - } // jump *into* cleanup - need a landing pad if GNU, cleanup pad if MSVC (None, Some(_)) => (fx.landing_pad_for(target), false), (Some(_), None) => span_bug!(span, "{:?} - jump out of cleanup?", self.terminator), - (Some(_), Some(_)) => (fx.landing_pad_for(target), true), + (Some(f), Some(t_f)) => { + if f == t_f || !base::wants_msvc_seh(fx.cx.tcx().sess) { + (lltarget, false) + } else { + (fx.landing_pad_for(target), true) + } + } } } - /// Create a basic block. - fn llblock<Bx: BuilderMethods<'a, 'tcx>>( + /// Get a basic block (creating it if necessary), possibly with cleanup + /// stuff in it or next to it. + fn llbb_with_cleanup<Bx: BuilderMethods<'a, 'tcx>>( &self, fx: &mut FunctionCx<'a, 'tcx, Bx>, target: mir::BasicBlock, ) -> Bx::BasicBlock { - let (lltarget, is_cleanupret) = self.lltarget(fx, target); + let (lltarget, is_cleanupret) = self.llbb_with_landing_pad(fx, target); if is_cleanupret { // MSVC cross-funclet jump - need a trampoline - - debug!("llblock: creating cleanup trampoline for {:?}", target); + debug_assert!(base::wants_msvc_seh(fx.cx.tcx().sess)); + debug!("llbb_with_cleanup: creating cleanup trampoline for {:?}", target); let name = &format!("{:?}_cleanup_trampoline_{:?}", self.bb, target); - let trampoline = Bx::append_block(fx.cx, fx.llfn, name); - let mut trampoline_bx = Bx::build(fx.cx, trampoline); + let trampoline_llbb = Bx::append_block(fx.cx, fx.llfn, name); + let mut trampoline_bx = Bx::build(fx.cx, trampoline_llbb); trampoline_bx.cleanup_ret(self.funclet(fx).unwrap(), Some(lltarget)); - trampoline + trampoline_llbb } else { lltarget } @@ -110,10 +116,11 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { bx: &mut Bx, target: mir::BasicBlock, ) { - let (lltarget, is_cleanupret) = self.lltarget(fx, target); + let (lltarget, is_cleanupret) = self.llbb_with_landing_pad(fx, target); if is_cleanupret { - // micro-optimization: generate a `ret` rather than a jump + // MSVC micro-optimization: generate a `ret` rather than a jump // to a trampoline. + debug_assert!(base::wants_msvc_seh(fx.cx.tcx().sess)); bx.cleanup_ret(self.funclet(fx).unwrap(), Some(lltarget)); } else { bx.br(lltarget); @@ -138,7 +145,7 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { let fn_ty = bx.fn_decl_backend_type(&fn_abi); let unwind_block = if let Some(cleanup) = cleanup.filter(|_| fn_abi.can_unwind) { - Some(self.llblock(fx, cleanup)) + Some(self.llbb_with_cleanup(fx, cleanup)) } else if fx.mir[self.bb].is_cleanup && fn_abi.can_unwind && !base::wants_msvc_seh(fx.cx.tcx().sess) @@ -231,7 +238,7 @@ impl<'a, 'tcx> TerminatorCodegenHelper<'tcx> { options, line_spans, instance, - Some((ret_llbb, self.llblock(fx, cleanup), self.funclet(fx))), + Some((ret_llbb, self.llbb_with_cleanup(fx, cleanup), self.funclet(fx))), ); } else { bx.codegen_inline_asm(template, &operands, options, line_spans, instance, None); @@ -281,8 +288,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { if target_iter.len() == 1 { // If there are two targets (one conditional, one fallback), emit br instead of switch let (test_value, target) = target_iter.next().unwrap(); - let lltrue = helper.llblock(self, target); - let llfalse = helper.llblock(self, targets.otherwise()); + let lltrue = helper.llbb_with_cleanup(self, target); + let llfalse = helper.llbb_with_cleanup(self, targets.otherwise()); if switch_ty == bx.tcx().types.bool { // Don't generate trivial icmps when switching on bool match test_value { @@ -299,8 +306,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { } else { bx.switch( discr.immediate(), - helper.llblock(self, targets.otherwise()), - target_iter.map(|(value, target)| (value, helper.llblock(self, target))), + helper.llbb_with_cleanup(self, targets.otherwise()), + target_iter.map(|(value, target)| (value, helper.llbb_with_cleanup(self, target))), ); } } @@ -530,7 +537,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let cond = bx.expect(cond, expected); // Create the failure block and the conditional branch to it. - let lltarget = helper.llblock(self, target); + let lltarget = helper.llbb_with_cleanup(self, target); let panic_block = bx.append_sibling_block("panic"); if expected { bx.cond_br(cond, lltarget, panic_block); @@ -1459,20 +1466,20 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // bar(); // } Some(&mir::TerminatorKind::Abort) => { - let cs_bb = + let cs_llbb = Bx::append_block(self.cx, self.llfn, &format!("cs_funclet{:?}", bb)); - let cp_bb = + let cp_llbb = Bx::append_block(self.cx, self.llfn, &format!("cp_funclet{:?}", bb)); - ret_llbb = cs_bb; + ret_llbb = cs_llbb; - let mut cs_bx = Bx::build(self.cx, cs_bb); - let cs = cs_bx.catch_switch(None, None, &[cp_bb]); + let mut cs_bx = Bx::build(self.cx, cs_llbb); + let cs = cs_bx.catch_switch(None, None, &[cp_llbb]); // The "null" here is actually a RTTI type descriptor for the // C++ personality function, but `catch (...)` has no type so // it's null. The 64 here is actually a bitfield which // represents that this is a catch-all block. - let mut cp_bx = Bx::build(self.cx, cp_bb); + let mut cp_bx = Bx::build(self.cx, cp_llbb); let null = cp_bx.const_null( cp_bx.type_i8p_ext(cp_bx.cx().data_layout().instruction_address_space), ); @@ -1481,10 +1488,10 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { cp_bx.br(llbb); } _ => { - let cleanup_bb = + let cleanup_llbb = Bx::append_block(self.cx, self.llfn, &format!("funclet_{:?}", bb)); - ret_llbb = cleanup_bb; - let mut cleanup_bx = Bx::build(self.cx, cleanup_bb); + ret_llbb = cleanup_llbb; + let mut cleanup_bx = Bx::build(self.cx, cleanup_llbb); funclet = cleanup_bx.cleanup_pad(None, &[]); cleanup_bx.br(llbb); } @@ -1492,19 +1499,20 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { self.funclets[bb] = Some(funclet); ret_llbb } else { - let bb = Bx::append_block(self.cx, self.llfn, "cleanup"); - let mut bx = Bx::build(self.cx, bb); + let cleanup_llbb = Bx::append_block(self.cx, self.llfn, "cleanup"); + let mut cleanup_bx = Bx::build(self.cx, cleanup_llbb); let llpersonality = self.cx.eh_personality(); let llretty = self.landing_pad_type(); - let lp = bx.cleanup_landing_pad(llretty, llpersonality); + let lp = cleanup_bx.cleanup_landing_pad(llretty, llpersonality); - let slot = self.get_personality_slot(&mut bx); - slot.storage_live(&mut bx); - Pair(bx.extract_value(lp, 0), bx.extract_value(lp, 1)).store(&mut bx, slot); + let slot = self.get_personality_slot(&mut cleanup_bx); + slot.storage_live(&mut cleanup_bx); + Pair(cleanup_bx.extract_value(lp, 0), cleanup_bx.extract_value(lp, 1)) + .store(&mut cleanup_bx, slot); - bx.br(llbb); - bx.llbb() + cleanup_bx.br(llbb); + cleanup_llbb } } diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs index 2b931bfc91d..da9aaf00ecf 100644 --- a/compiler/rustc_codegen_ssa/src/mir/mod.rs +++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs @@ -148,10 +148,10 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( let debug_context = cx.create_function_debug_context(instance, &fn_abi, llfn, &mir); let start_llbb = Bx::append_block(cx, llfn, "start"); - let mut bx = Bx::build(cx, start_llbb); + let mut start_bx = Bx::build(cx, start_llbb); if mir.basic_blocks.iter().any(|bb| bb.is_cleanup) { - bx.set_personality_fn(cx.eh_personality()); + start_bx.set_personality_fn(cx.eh_personality()); } let cleanup_kinds = analyze::cleanup_kinds(&mir); @@ -180,7 +180,7 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( caller_location: None, }; - fx.per_local_var_debug_info = fx.compute_per_local_var_debug_info(&mut bx); + fx.per_local_var_debug_info = fx.compute_per_local_var_debug_info(&mut start_bx); // Evaluate all required consts; codegen later assumes that CTFE will never fail. let mut all_consts_ok = true; @@ -206,29 +206,29 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( // Allocate variable and temp allocas fx.locals = { - let args = arg_local_refs(&mut bx, &mut fx, &memory_locals); + let args = arg_local_refs(&mut start_bx, &mut fx, &memory_locals); let mut allocate_local = |local| { let decl = &mir.local_decls[local]; - let layout = bx.layout_of(fx.monomorphize(decl.ty)); + let layout = start_bx.layout_of(fx.monomorphize(decl.ty)); assert!(!layout.ty.has_erasable_regions()); if local == mir::RETURN_PLACE && fx.fn_abi.ret.is_indirect() { debug!("alloc: {:?} (return place) -> place", local); - let llretptr = bx.get_param(0); + let llretptr = start_bx.get_param(0); return LocalRef::Place(PlaceRef::new_sized(llretptr, layout)); } if memory_locals.contains(local) { debug!("alloc: {:?} -> place", local); if layout.is_unsized() { - LocalRef::UnsizedPlace(PlaceRef::alloca_unsized_indirect(&mut bx, layout)) + LocalRef::UnsizedPlace(PlaceRef::alloca_unsized_indirect(&mut start_bx, layout)) } else { - LocalRef::Place(PlaceRef::alloca(&mut bx, layout)) + LocalRef::Place(PlaceRef::alloca(&mut start_bx, layout)) } } else { debug!("alloc: {:?} -> operand", local); - LocalRef::new_operand(&mut bx, layout) + LocalRef::new_operand(&mut start_bx, layout) } }; @@ -240,7 +240,7 @@ pub fn codegen_mir<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( }; // Apply debuginfo to the newly allocated locals. - fx.debug_introduce_locals(&mut bx); + fx.debug_introduce_locals(&mut start_bx); // Codegen the body of each block using reverse postorder for (bb, _) in traversal::reverse_postorder(&mir) { diff --git a/compiler/rustc_const_eval/src/errors.rs b/compiler/rustc_const_eval/src/errors.rs index c6cb7a8b961..4b055076742 100644 --- a/compiler/rustc_const_eval/src/errors.rs +++ b/compiler/rustc_const_eval/src/errors.rs @@ -3,18 +3,18 @@ use rustc_macros::Diagnostic; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(const_eval::unstable_in_stable)] +#[diag(const_eval_unstable_in_stable)] pub(crate) struct UnstableInStable { pub gate: String, #[primary_span] pub span: Span, #[suggestion( - const_eval::unstable_sugg, + unstable_sugg, code = "#[rustc_const_unstable(feature = \"...\", issue = \"...\")]\n", applicability = "has-placeholders" )] #[suggestion( - const_eval::bypass_sugg, + bypass_sugg, code = "#[rustc_allow_const_fn_unstable({gate})]\n", applicability = "has-placeholders" )] @@ -22,35 +22,35 @@ pub(crate) struct UnstableInStable { } #[derive(Diagnostic)] -#[diag(const_eval::thread_local_access, code = "E0625")] +#[diag(const_eval_thread_local_access, code = "E0625")] pub(crate) struct NonConstOpErr { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(const_eval::static_access, code = "E0013")] +#[diag(const_eval_static_access, code = "E0013")] #[help] pub(crate) struct StaticAccessErr { #[primary_span] pub span: Span, pub kind: ConstContext, - #[note(const_eval::teach_note)] - #[help(const_eval::teach_help)] + #[note(teach_note)] + #[help(teach_help)] pub teach: Option<()>, } #[derive(Diagnostic)] -#[diag(const_eval::raw_ptr_to_int)] +#[diag(const_eval_raw_ptr_to_int)] #[note] -#[note(const_eval::note2)] +#[note(note2)] pub(crate) struct RawPtrToIntErr { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(const_eval::raw_ptr_comparison)] +#[diag(const_eval_raw_ptr_comparison)] #[note] pub(crate) struct RawPtrComparisonErr { #[primary_span] @@ -58,14 +58,14 @@ pub(crate) struct RawPtrComparisonErr { } #[derive(Diagnostic)] -#[diag(const_eval::panic_non_str)] +#[diag(const_eval_panic_non_str)] pub(crate) struct PanicNonStrErr { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(const_eval::mut_deref, code = "E0658")] +#[diag(const_eval_mut_deref, code = "E0658")] pub(crate) struct MutDerefErr { #[primary_span] pub span: Span, @@ -73,7 +73,7 @@ pub(crate) struct MutDerefErr { } #[derive(Diagnostic)] -#[diag(const_eval::transient_mut_borrow, code = "E0658")] +#[diag(const_eval_transient_mut_borrow, code = "E0658")] pub(crate) struct TransientMutBorrowErr { #[primary_span] pub span: Span, @@ -81,7 +81,7 @@ pub(crate) struct TransientMutBorrowErr { } #[derive(Diagnostic)] -#[diag(const_eval::transient_mut_borrow_raw, code = "E0658")] +#[diag(const_eval_transient_mut_borrow_raw, code = "E0658")] pub(crate) struct TransientMutBorrowErrRaw { #[primary_span] pub span: Span, @@ -89,7 +89,7 @@ pub(crate) struct TransientMutBorrowErrRaw { } #[derive(Diagnostic)] -#[diag(const_eval::max_num_nodes_in_const)] +#[diag(const_eval_max_num_nodes_in_const)] pub(crate) struct MaxNumNodesInConstErr { #[primary_span] pub span: Span, @@ -97,7 +97,7 @@ pub(crate) struct MaxNumNodesInConstErr { } #[derive(Diagnostic)] -#[diag(const_eval::unallowed_fn_pointer_call)] +#[diag(const_eval_unallowed_fn_pointer_call)] pub(crate) struct UnallowedFnPointerCall { #[primary_span] pub span: Span, @@ -105,7 +105,7 @@ pub(crate) struct UnallowedFnPointerCall { } #[derive(Diagnostic)] -#[diag(const_eval::unstable_const_fn)] +#[diag(const_eval_unstable_const_fn)] pub(crate) struct UnstableConstFn { #[primary_span] pub span: Span, @@ -113,26 +113,26 @@ pub(crate) struct UnstableConstFn { } #[derive(Diagnostic)] -#[diag(const_eval::unallowed_mutable_refs, code = "E0764")] +#[diag(const_eval_unallowed_mutable_refs, code = "E0764")] pub(crate) struct UnallowedMutableRefs { #[primary_span] pub span: Span, pub kind: ConstContext, - #[note(const_eval::teach_note)] + #[note(teach_note)] pub teach: Option<()>, } #[derive(Diagnostic)] -#[diag(const_eval::unallowed_mutable_refs_raw, code = "E0764")] +#[diag(const_eval_unallowed_mutable_refs_raw, code = "E0764")] pub(crate) struct UnallowedMutableRefsRaw { #[primary_span] pub span: Span, pub kind: ConstContext, - #[note(const_eval::teach_note)] + #[note(teach_note)] pub teach: Option<()>, } #[derive(Diagnostic)] -#[diag(const_eval::non_const_fmt_macro_call, code = "E0015")] +#[diag(const_eval_non_const_fmt_macro_call, code = "E0015")] pub(crate) struct NonConstFmtMacroCall { #[primary_span] pub span: Span, @@ -140,7 +140,7 @@ pub(crate) struct NonConstFmtMacroCall { } #[derive(Diagnostic)] -#[diag(const_eval::non_const_fn_call, code = "E0015")] +#[diag(const_eval_non_const_fn_call, code = "E0015")] pub(crate) struct NonConstFnCall { #[primary_span] pub span: Span, @@ -149,7 +149,7 @@ pub(crate) struct NonConstFnCall { } #[derive(Diagnostic)] -#[diag(const_eval::unallowed_op_in_const_context)] +#[diag(const_eval_unallowed_op_in_const_context)] pub(crate) struct UnallowedOpInConstContext { #[primary_span] pub span: Span, @@ -157,18 +157,18 @@ pub(crate) struct UnallowedOpInConstContext { } #[derive(Diagnostic)] -#[diag(const_eval::unallowed_heap_allocations, code = "E0010")] +#[diag(const_eval_unallowed_heap_allocations, code = "E0010")] pub(crate) struct UnallowedHeapAllocations { #[primary_span] #[label] pub span: Span, pub kind: ConstContext, - #[note(const_eval::teach_note)] + #[note(teach_note)] pub teach: Option<()>, } #[derive(Diagnostic)] -#[diag(const_eval::unallowed_inline_asm, code = "E0015")] +#[diag(const_eval_unallowed_inline_asm, code = "E0015")] pub(crate) struct UnallowedInlineAsm { #[primary_span] pub span: Span, @@ -176,7 +176,7 @@ pub(crate) struct UnallowedInlineAsm { } #[derive(Diagnostic)] -#[diag(const_eval::interior_mutable_data_refer, code = "E0492")] +#[diag(const_eval_interior_mutable_data_refer, code = "E0492")] pub(crate) struct InteriorMutableDataRefer { #[primary_span] #[label] @@ -184,12 +184,12 @@ pub(crate) struct InteriorMutableDataRefer { #[help] pub opt_help: Option<()>, pub kind: ConstContext, - #[note(const_eval::teach_note)] + #[note(teach_note)] pub teach: Option<()>, } #[derive(Diagnostic)] -#[diag(const_eval::interior_mutability_borrow)] +#[diag(const_eval_interior_mutability_borrow)] pub(crate) struct InteriorMutabilityBorrow { #[primary_span] pub span: Span, diff --git a/compiler/rustc_const_eval/src/interpret/cast.rs b/compiler/rustc_const_eval/src/interpret/cast.rs index 764224fd007..f980e606b93 100644 --- a/compiler/rustc_const_eval/src/interpret/cast.rs +++ b/compiler/rustc_const_eval/src/interpret/cast.rs @@ -42,10 +42,22 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let res = self.pointer_from_exposed_address_cast(&src, cast_ty)?; self.write_immediate(res, dest)?; } - // FIXME: We shouldn't use `misc_cast` for these but handle them separately. - IntToInt | FloatToInt | FloatToFloat | IntToFloat | FnPtrToPtr | PtrToPtr => { + + IntToInt | IntToFloat => { let src = self.read_immediate(src)?; - let res = self.misc_cast(&src, cast_ty)?; + let res = self.int_to_int_or_float(&src, cast_ty)?; + self.write_immediate(res, dest)?; + } + + FloatToFloat | FloatToInt => { + let src = self.read_immediate(src)?; + let res = self.float_to_float_or_int(&src, cast_ty)?; + self.write_immediate(res, dest)?; + } + + FnPtrToPtr | PtrToPtr => { + let src = self.read_immediate(&src)?; + let res = self.ptr_to_ptr(&src, cast_ty)?; self.write_immediate(res, dest)?; } @@ -126,13 +138,27 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Ok(()) } - pub fn misc_cast( + pub fn int_to_int_or_float( + &mut self, + src: &ImmTy<'tcx, M::Provenance>, + cast_ty: Ty<'tcx>, + ) -> InterpResult<'tcx, Immediate<M::Provenance>> { + if (src.layout.ty.is_integral() || src.layout.ty.is_char() || src.layout.ty.is_bool()) + && (cast_ty.is_floating_point() || cast_ty.is_integral() || cast_ty.is_char()) + { + let scalar = src.to_scalar(); + Ok(self.cast_from_int_like(scalar, src.layout, cast_ty)?.into()) + } else { + bug!("Unexpected cast from type {:?}", src.layout.ty) + } + } + + pub fn float_to_float_or_int( &mut self, src: &ImmTy<'tcx, M::Provenance>, cast_ty: Ty<'tcx>, ) -> InterpResult<'tcx, Immediate<M::Provenance>> { use rustc_type_ir::sty::TyKind::*; - trace!("Casting {:?}: {:?} to {:?}", *src, src.layout.ty, cast_ty); match src.layout.ty.kind() { // Floating point @@ -142,19 +168,18 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Float(FloatTy::F64) => { return Ok(self.cast_from_float(src.to_scalar().to_f64()?, cast_ty).into()); } - // The rest is integer/pointer-"like", including fn ptr casts - _ => assert!( - src.layout.ty.is_bool() - || src.layout.ty.is_char() - || src.layout.ty.is_integral() - || src.layout.ty.is_any_ptr(), - "Unexpected cast from type {:?}", - src.layout.ty - ), + _ => { + bug!("Can't cast 'Float' type into {:?}", cast_ty); + } } + } - // # First handle non-scalar source values. - + /// Handles 'FnPtrToPtr' and 'PtrToPtr' casts. + pub fn ptr_to_ptr( + &mut self, + src: &ImmTy<'tcx, M::Provenance>, + cast_ty: Ty<'tcx>, + ) -> InterpResult<'tcx, Immediate<M::Provenance>> { // Handle casting any ptr to raw ptr (might be a fat ptr). if src.layout.ty.is_any_ptr() && cast_ty.is_unsafe_ptr() { let dest_layout = self.layout_of(cast_ty)?; @@ -178,11 +203,9 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { Immediate::Uninit => throw_ub!(InvalidUninitBytes(None)), }; } + } else { + bug!("Can't cast 'Ptr' or 'FnPtr' into {:?}", cast_ty); } - - // # The remaining source values are scalar and "int-like". - let scalar = src.to_scalar(); - Ok(self.cast_from_int_like(scalar, src.layout, cast_ty)?.into()) } pub fn pointer_expose_address_cast( diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index fbb129f9724..7f78d963e9f 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -556,21 +556,36 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { check_kinds!(a, "Cannot shallow init type {:?}", ty::RawPtr(..)); } Rvalue::Cast(kind, operand, target_type) => { + let op_ty = operand.ty(self.body, self.tcx); match kind { CastKind::DynStar => { // FIXME(dyn-star): make sure nothing needs to be done here. } - // Nothing to check here + // FIXME: Add Checks for these CastKind::PointerFromExposedAddress | CastKind::PointerExposeAddress | CastKind::Pointer(_) => {} - _ => { - let op_ty = operand.ty(self.body, self.tcx); - if op_ty.is_enum() { + CastKind::IntToInt | CastKind::IntToFloat => { + let input_valid = op_ty.is_integral() || op_ty.is_char() || op_ty.is_bool(); + let target_valid = target_type.is_numeric() || target_type.is_char(); + if !input_valid || !target_valid { + self.fail( + location, + format!("Wrong cast kind {kind:?} for the type {op_ty}",), + ); + } + } + CastKind::FnPtrToPtr | CastKind::PtrToPtr => { + if !(op_ty.is_any_ptr() && target_type.is_unsafe_ptr()) { + self.fail(location, "Can't cast {op_ty} into 'Ptr'"); + } + } + CastKind::FloatToFloat | CastKind::FloatToInt => { + if !op_ty.is_floating_point() || !target_type.is_numeric() { self.fail( location, format!( - "enum -> int casts should go through `Rvalue::Discriminant`: {operand:?}:{op_ty} as {target_type}", + "Trying to cast non 'Float' as {kind:?} into {target_type:?}" ), ); } diff --git a/compiler/rustc_data_structures/src/sso/set.rs b/compiler/rustc_data_structures/src/sso/set.rs index 4fda3adb7b8..406f0270dcc 100644 --- a/compiler/rustc_data_structures/src/sso/set.rs +++ b/compiler/rustc_data_structures/src/sso/set.rs @@ -27,7 +27,7 @@ pub struct SsoHashSet<T> { map: SsoHashMap<T, ()>, } -/// Adapter function used ot return +/// Adapter function used to return /// result if SsoHashMap functions into /// result SsoHashSet should return. #[inline(always)] diff --git a/compiler/rustc_driver/src/session_diagnostics.rs b/compiler/rustc_driver/src/session_diagnostics.rs index 289baf17773..c1bc1089114 100644 --- a/compiler/rustc_driver/src/session_diagnostics.rs +++ b/compiler/rustc_driver/src/session_diagnostics.rs @@ -1,39 +1,39 @@ use rustc_macros::Diagnostic; #[derive(Diagnostic)] -#[diag(driver::rlink_unable_to_read)] +#[diag(driver_rlink_unable_to_read)] pub(crate) struct RlinkUnableToRead { pub err: std::io::Error, } #[derive(Diagnostic)] -#[diag(driver::rlink_wrong_file_type)] +#[diag(driver_rlink_wrong_file_type)] pub(crate) struct RLinkWrongFileType; #[derive(Diagnostic)] -#[diag(driver::rlink_empty_version_number)] +#[diag(driver_rlink_empty_version_number)] pub(crate) struct RLinkEmptyVersionNumber; #[derive(Diagnostic)] -#[diag(driver::rlink_encoding_version_mismatch)] +#[diag(driver_rlink_encoding_version_mismatch)] pub(crate) struct RLinkEncodingVersionMismatch { pub version_array: String, pub rlink_version: u32, } #[derive(Diagnostic)] -#[diag(driver::rlink_rustc_version_mismatch)] +#[diag(driver_rlink_rustc_version_mismatch)] pub(crate) struct RLinkRustcVersionMismatch<'a> { pub rustc_version: String, pub current_version: &'a str, } #[derive(Diagnostic)] -#[diag(driver::rlink_no_a_file)] +#[diag(driver_rlink_no_a_file)] pub(crate) struct RlinkNotAFile; #[derive(Diagnostic)] -#[diag(driver::unpretty_dump_fail)] +#[diag(driver_unpretty_dump_fail)] pub(crate) struct UnprettyDumpFail { pub path: String, pub err: String, diff --git a/compiler/rustc_error_codes/src/error_codes/E0210.md b/compiler/rustc_error_codes/src/error_codes/E0210.md index dc2fd9b0ca0..41263e5e3f5 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0210.md +++ b/compiler/rustc_error_codes/src/error_codes/E0210.md @@ -76,7 +76,5 @@ Let `Ti` be the first such type. For information on the design of the orphan rules, see [RFC 2451] and [RFC 1023]. -For information on the design of the orphan rules, see [RFC 1023]. - [RFC 2451]: https://rust-lang.github.io/rfcs/2451-re-rebalancing-coherence.html [RFC 1023]: https://github.com/rust-lang/rfcs/blob/master/text/1023-rebalancing-coherence.md diff --git a/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl b/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl index 0d0388a039e..966a421bcf0 100644 --- a/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl +++ b/compiler/rustc_error_messages/locales/en-US/codegen_ssa.ftl @@ -34,6 +34,8 @@ codegen_ssa_rlib_only_rmeta_found = could not find rlib for: `{$crate_name}`, fo codegen_ssa_rlib_not_found = could not find rlib for: `{$crate_name}` +codegen_ssa_rlib_incompatible_dependency_formats = `{$ty1}` and `{$ty2}` do not have equivalent dependency formats (`{$list1}` vs `{$list2}`) + codegen_ssa_linking_failed = linking with `{$linker_path}` failed: {$exit_status} codegen_ssa_extern_funcs_not_found = some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified diff --git a/compiler/rustc_error_messages/locales/en-US/infer.ftl b/compiler/rustc_error_messages/locales/en-US/infer.ftl index 65371a28591..18b3408b06a 100644 --- a/compiler/rustc_error_messages/locales/en-US/infer.ftl +++ b/compiler/rustc_error_messages/locales/en-US/infer.ftl @@ -164,7 +164,9 @@ infer_region_explanation = {$pref_kind -> } infer_mismatched_static_lifetime = incompatible lifetime on type -infer_msl_impl_note = ...does not necessarily outlive the static lifetime introduced by the compatible `impl` +infer_does_not_outlive_static_from_impl = ...does not necessarily outlive the static lifetime introduced by the compatible `impl` +infer_implicit_static_lifetime_note = this has an implicit `'static` lifetime requirement +infer_implicit_static_lifetime_suggestion = consider relaxing the implicit `'static` requirement infer_msl_introduces_static = introduces a `'static` lifetime requirement infer_msl_unmet_req = because this has an unmet lifetime requirement infer_msl_trait_note = this has an implicit `'static` lifetime requirement diff --git a/compiler/rustc_error_messages/locales/en-US/session.ftl b/compiler/rustc_error_messages/locales/en-US/session.ftl index 47127ea8e9c..e2277923072 100644 --- a/compiler/rustc_error_messages/locales/en-US/session.ftl +++ b/compiler/rustc_error_messages/locales/en-US/session.ftl @@ -54,3 +54,7 @@ session_crate_name_empty = crate name must not be empty session_invalid_character_in_create_name = invalid character `{$character}` in crate name: `{$crate_name}` session_expr_parentheses_needed = parentheses are required to parse this as an expression + +session_skipping_const_checks = skipping const checks +session_unleashed_feature_help_named = skipping check for `{$gate}` feature +session_unleashed_feature_help_unnamed = skipping check that does not even have a feature gate diff --git a/compiler/rustc_errors/src/diagnostic.rs b/compiler/rustc_errors/src/diagnostic.rs index 518c59dba53..a63fc0ca285 100644 --- a/compiler/rustc_errors/src/diagnostic.rs +++ b/compiler/rustc_errors/src/diagnostic.rs @@ -567,6 +567,11 @@ impl Diagnostic { style: SuggestionStyle, ) -> &mut Self { assert!(!suggestion.is_empty()); + debug_assert!( + !(suggestion.iter().any(|(sp, text)| sp.is_empty() && text.is_empty())), + "Span must not be empty and have no suggestion" + ); + self.push_suggestion(CodeSuggestion { substitutions: vec![Substitution { parts: suggestion @@ -644,6 +649,10 @@ impl Diagnostic { applicability: Applicability, style: SuggestionStyle, ) -> &mut Self { + debug_assert!( + !(sp.is_empty() && suggestion.to_string().is_empty()), + "Span must not be empty and have no suggestion" + ); self.push_suggestion(CodeSuggestion { substitutions: vec![Substitution { parts: vec![SubstitutionPart { snippet: suggestion.to_string(), span: sp }], @@ -684,6 +693,12 @@ impl Diagnostic { ) -> &mut Self { let mut suggestions: Vec<_> = suggestions.collect(); suggestions.sort(); + + debug_assert!( + !(sp.is_empty() && suggestions.iter().any(|suggestion| suggestion.is_empty())), + "Span must not be empty and have no suggestion" + ); + let substitutions = suggestions .into_iter() .map(|snippet| Substitution { parts: vec![SubstitutionPart { snippet, span: sp }] }) @@ -705,8 +720,18 @@ impl Diagnostic { suggestions: impl Iterator<Item = Vec<(Span, String)>>, applicability: Applicability, ) -> &mut Self { + let suggestions: Vec<_> = suggestions.collect(); + debug_assert!( + !(suggestions + .iter() + .flat_map(|suggs| suggs) + .any(|(sp, suggestion)| sp.is_empty() && suggestion.is_empty())), + "Span must not be empty and have no suggestion" + ); + self.push_suggestion(CodeSuggestion { substitutions: suggestions + .into_iter() .map(|sugg| Substitution { parts: sugg .into_iter() diff --git a/compiler/rustc_errors/src/diagnostic_impls.rs b/compiler/rustc_errors/src/diagnostic_impls.rs index 860f24871bc..7640b2919f7 100644 --- a/compiler/rustc_errors/src/diagnostic_impls.rs +++ b/compiler/rustc_errors/src/diagnostic_impls.rs @@ -1,14 +1,14 @@ use crate::{ fluent, DiagnosticArgValue, DiagnosticBuilder, Handler, IntoDiagnostic, IntoDiagnosticArg, }; -use rustc_target::abi::TargetDataLayoutErrors; -use rustc_target::spec::{PanicStrategy, SplitDebuginfo, StackProtector, TargetTriple}; - use rustc_ast as ast; use rustc_ast_pretty::pprust; use rustc_hir as hir; +use rustc_lint_defs::Level; use rustc_span::edition::Edition; use rustc_span::symbol::{Ident, MacroRulesNormalizedIdent, Symbol}; +use rustc_target::abi::TargetDataLayoutErrors; +use rustc_target::spec::{PanicStrategy, SplitDebuginfo, StackProtector, TargetTriple}; use std::borrow::Cow; use std::fmt; use std::num::ParseIntError; @@ -155,19 +155,34 @@ impl IntoDiagnosticArg for ast::token::TokenKind { } } +impl IntoDiagnosticArg for Level { + fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> { + DiagnosticArgValue::Str(Cow::Borrowed(match self { + Level::Allow => "-A", + Level::Warn => "-W", + Level::ForceWarn(_) => "--force-warn", + Level::Deny => "-D", + Level::Forbid => "-F", + Level::Expect(_) => { + unreachable!("lints with the level of `expect` should not run this code"); + } + })) + } +} + impl IntoDiagnostic<'_, !> for TargetDataLayoutErrors<'_> { fn into_diagnostic(self, handler: &Handler) -> DiagnosticBuilder<'_, !> { let mut diag; match self { TargetDataLayoutErrors::InvalidAddressSpace { addr_space, err, cause } => { - diag = handler.struct_fatal(fluent::errors::target_invalid_address_space); + diag = handler.struct_fatal(fluent::errors_target_invalid_address_space); diag.set_arg("addr_space", addr_space); diag.set_arg("cause", cause); diag.set_arg("err", err); diag } TargetDataLayoutErrors::InvalidBits { kind, bit, cause, err } => { - diag = handler.struct_fatal(fluent::errors::target_invalid_bits); + diag = handler.struct_fatal(fluent::errors_target_invalid_bits); diag.set_arg("kind", kind); diag.set_arg("bit", bit); diag.set_arg("cause", cause); @@ -175,30 +190,30 @@ impl IntoDiagnostic<'_, !> for TargetDataLayoutErrors<'_> { diag } TargetDataLayoutErrors::MissingAlignment { cause } => { - diag = handler.struct_fatal(fluent::errors::target_missing_alignment); + diag = handler.struct_fatal(fluent::errors_target_missing_alignment); diag.set_arg("cause", cause); diag } TargetDataLayoutErrors::InvalidAlignment { cause, err } => { - diag = handler.struct_fatal(fluent::errors::target_invalid_alignment); + diag = handler.struct_fatal(fluent::errors_target_invalid_alignment); diag.set_arg("cause", cause); diag.set_arg("err", err); diag } TargetDataLayoutErrors::InconsistentTargetArchitecture { dl, target } => { - diag = handler.struct_fatal(fluent::errors::target_inconsistent_architecture); + diag = handler.struct_fatal(fluent::errors_target_inconsistent_architecture); diag.set_arg("dl", dl); diag.set_arg("target", target); diag } TargetDataLayoutErrors::InconsistentTargetPointerWidth { pointer_size, target } => { - diag = handler.struct_fatal(fluent::errors::target_inconsistent_pointer_width); + diag = handler.struct_fatal(fluent::errors_target_inconsistent_pointer_width); diag.set_arg("pointer_size", pointer_size); diag.set_arg("target", target); diag } TargetDataLayoutErrors::InvalidBitsSize { err } => { - diag = handler.struct_fatal(fluent::errors::target_invalid_bits_size); + diag = handler.struct_fatal(fluent::errors_target_invalid_bits_size); diag.set_arg("err", err); diag } diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 9fafbe4bd40..0963ea71f80 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -463,6 +463,9 @@ pub enum StashKey { UnderscoreForArrayLengths, EarlySyntaxWarning, CallIntoMethod, + /// When an invalid lifetime e.g. `'2` should be reinterpreted + /// as a char literal in the parser + LifetimeIsChar, } fn default_track_diagnostic(_: &Diagnostic) {} diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs index cd8a525e062..c8de60ccb89 100644 --- a/compiler/rustc_expand/src/base.rs +++ b/compiler/rustc_expand/src/base.rs @@ -22,7 +22,7 @@ use rustc_span::edition::Edition; use rustc_span::hygiene::{AstPass, ExpnData, ExpnKind, LocalExpnId}; use rustc_span::source_map::SourceMap; use rustc_span::symbol::{kw, sym, Ident, Symbol}; -use rustc_span::{FileName, Span, DUMMY_SP}; +use rustc_span::{BytePos, FileName, RealFileName, Span, DUMMY_SP}; use smallvec::{smallvec, SmallVec}; use std::default::Default; @@ -1228,8 +1228,9 @@ pub fn expr_to_spanned_string<'a>( ast::LitKind::Str(s, style) => return Ok((s, style, expr.span)), ast::LitKind::ByteStr(_) => { let mut err = cx.struct_span_err(l.span, err_msg); + let span = expr.span.shrink_to_lo(); err.span_suggestion( - expr.span.shrink_to_lo(), + span.with_hi(span.lo() + BytePos(1)), "consider removing the leading `b`", "", Applicability::MaybeIncorrect, @@ -1422,16 +1423,40 @@ fn pretty_printing_compatibility_hack(item: &Item, sess: &ParseSess) -> bool { if let ast::ItemKind::Enum(enum_def, _) = &item.kind { if let [variant] = &*enum_def.variants { if variant.ident.name == sym::Input { - sess.buffer_lint_with_diagnostic( - &PROC_MACRO_BACK_COMPAT, - item.ident.span, - ast::CRATE_NODE_ID, - "using `procedural-masquerade` crate", - BuiltinLintDiagnostics::ProcMacroBackCompat( - "The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. \ - Versions of this crate below 0.1.7 will eventually stop compiling.".to_string()) - ); - return true; + let filename = sess.source_map().span_to_filename(item.ident.span); + if let FileName::Real(RealFileName::LocalPath(path)) = filename { + if let Some(c) = path + .components() + .flat_map(|c| c.as_os_str().to_str()) + .find(|c| c.starts_with("rental") || c.starts_with("allsorts-rental")) + { + let crate_matches = if c.starts_with("allsorts-rental") { + true + } else { + let mut version = c.trim_start_matches("rental-").split("."); + version.next() == Some("0") + && version.next() == Some("5") + && version + .next() + .and_then(|c| c.parse::<u32>().ok()) + .map_or(false, |v| v < 6) + }; + + if crate_matches { + sess.buffer_lint_with_diagnostic( + &PROC_MACRO_BACK_COMPAT, + item.ident.span, + ast::CRATE_NODE_ID, + "using an old version of `rental`", + BuiltinLintDiagnostics::ProcMacroBackCompat( + "older versions of the `rental` crate will stop compiling in future versions of Rust; \ + please update to `rental` v0.5.6, or switch to one of the `rental` alternatives".to_string() + ) + ); + return true; + } + } + } } } } diff --git a/compiler/rustc_expand/src/errors.rs b/compiler/rustc_expand/src/errors.rs index bd93f0717f5..d383f4832f6 100644 --- a/compiler/rustc_expand/src/errors.rs +++ b/compiler/rustc_expand/src/errors.rs @@ -3,28 +3,28 @@ use rustc_span::symbol::MacroRulesNormalizedIdent; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(expand::expr_repeat_no_syntax_vars)] +#[diag(expand_expr_repeat_no_syntax_vars)] pub(crate) struct NoSyntaxVarsExprRepeat { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(expand::must_repeat_once)] +#[diag(expand_must_repeat_once)] pub(crate) struct MustRepeatOnce { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(expand::count_repetition_misplaced)] +#[diag(expand_count_repetition_misplaced)] pub(crate) struct CountRepetitionMisplaced { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(expand::meta_var_expr_unrecognized_var)] +#[diag(expand_meta_var_expr_unrecognized_var)] pub(crate) struct MetaVarExprUnrecognizedVar { #[primary_span] pub span: Span, @@ -32,7 +32,7 @@ pub(crate) struct MetaVarExprUnrecognizedVar { } #[derive(Diagnostic)] -#[diag(expand::var_still_repeating)] +#[diag(expand_var_still_repeating)] pub(crate) struct VarStillRepeating { #[primary_span] pub span: Span, @@ -40,7 +40,7 @@ pub(crate) struct VarStillRepeating { } #[derive(Diagnostic)] -#[diag(expand::meta_var_dif_seq_matchers)] +#[diag(expand_meta_var_dif_seq_matchers)] pub(crate) struct MetaVarsDifSeqMatchers { #[primary_span] pub span: Span, diff --git a/compiler/rustc_expand/src/mbe/macro_rules.rs b/compiler/rustc_expand/src/mbe/macro_rules.rs index 0aa2b44a0f8..1e268542bcd 100644 --- a/compiler/rustc_expand/src/mbe/macro_rules.rs +++ b/compiler/rustc_expand/src/mbe/macro_rules.rs @@ -598,12 +598,12 @@ pub fn compile_declarative_macro( #[derive(Subdiagnostic)] enum ExplainDocComment { - #[label(expand::explain_doc_comment_inner)] + #[label(expand_explain_doc_comment_inner)] Inner { #[primary_span] span: Span, }, - #[label(expand::explain_doc_comment_outer)] + #[label(expand_explain_doc_comment_outer)] Outer { #[primary_span] span: Span, diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 92d0fb1aec8..2ead3c2c8d4 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -296,20 +296,24 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // Lints: ungated!( - warn, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk + warn, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + DuplicatesOk, @only_local: true, ), ungated!( - allow, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk + allow, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + DuplicatesOk, @only_local: true, ), gated!( expect, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk, lint_reasons, experimental!(expect) ), ungated!( - forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk + forbid, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + DuplicatesOk, @only_local: true, ), ungated!( - deny, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), DuplicatesOk + deny, Normal, template!(List: r#"lint1, lint2, ..., /*opt*/ reason = "...""#), + DuplicatesOk, @only_local: true, ), ungated!(must_use, Normal, template!(Word, NameValueStr: "reason"), FutureWarnFollowing), gated!( @@ -340,7 +344,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ), ungated!(link_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding), ungated!(no_link, Normal, template!(Word), WarnFollowing), - ungated!(repr, Normal, template!(List: "C"), DuplicatesOk), + ungated!(repr, Normal, template!(List: "C"), DuplicatesOk, @only_local: true), ungated!(export_name, Normal, template!(NameValueStr: "name"), FutureWarnPreceding), ungated!(link_section, Normal, template!(NameValueStr: "name"), FutureWarnPreceding), ungated!(no_mangle, Normal, template!(Word), WarnFollowing, @only_local: true), @@ -382,7 +386,10 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ ungated!(inline, Normal, template!(Word, List: "always|never"), FutureWarnFollowing, @only_local: true), ungated!(cold, Normal, template!(Word), WarnFollowing, @only_local: true), ungated!(no_builtins, CrateLevel, template!(Word), WarnFollowing), - ungated!(target_feature, Normal, template!(List: r#"enable = "name""#), DuplicatesOk), + ungated!( + target_feature, Normal, template!(List: r#"enable = "name""#), + DuplicatesOk, @only_local: true, + ), ungated!(track_caller, Normal, template!(Word), WarnFollowing), gated!( no_sanitize, Normal, @@ -488,18 +495,24 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ // Internal attributes: Stability, deprecation, and unsafe: // ========================================================================== - ungated!(feature, CrateLevel, template!(List: "name1, name2, ..."), DuplicatesOk), + ungated!( + feature, CrateLevel, + template!(List: "name1, name2, ..."), DuplicatesOk, @only_local: true, + ), // DuplicatesOk since it has its own validation ungated!( - stable, Normal, template!(List: r#"feature = "name", since = "version""#), DuplicatesOk, + stable, Normal, + template!(List: r#"feature = "name", since = "version""#), DuplicatesOk, @only_local: true, ), ungated!( unstable, Normal, template!(List: r#"feature = "name", reason = "...", issue = "N""#), DuplicatesOk, ), ungated!(rustc_const_unstable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk), - ungated!(rustc_const_stable, Normal, template!(List: r#"feature = "name""#), DuplicatesOk), - ungated!(rustc_safe_intrinsic, Normal, template!(Word), DuplicatesOk), + ungated!( + rustc_const_stable, Normal, + template!(List: r#"feature = "name""#), DuplicatesOk, @only_local: true, + ), ungated!( rustc_default_body_unstable, Normal, template!(List: r#"feature = "name", reason = "...", issue = "N""#), DuplicatesOk @@ -517,6 +530,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ allow_internal_unsafe, Normal, template!(Word), WarnFollowing, "allow_internal_unsafe side-steps the unsafe_code lint", ), + ungated!(rustc_safe_intrinsic, Normal, template!(Word), DuplicatesOk), rustc_attr!(rustc_allowed_through_unstable_modules, Normal, template!(Word), WarnFollowing, "rustc_allowed_through_unstable_modules special cases accidental stabilizations of stable items \ through unstable paths"), @@ -732,7 +746,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ for reserving for `for<T> From<!> for T` impl" ), rustc_attr!( - rustc_test_marker, Normal, template!(Word), WarnFollowing, + rustc_test_marker, Normal, template!(NameValueStr: "name"), WarnFollowing, "the `#[rustc_test_marker]` attribute is used internally to track tests", ), rustc_attr!( @@ -823,6 +837,8 @@ pub fn is_builtin_attr_name(name: Symbol) -> bool { BUILTIN_ATTRIBUTE_MAP.get(&name).is_some() } +/// Whether this builtin attribute is only used in the local crate. +/// If so, it is not encoded in the crate metadata. pub fn is_builtin_only_local(name: Symbol) -> bool { BUILTIN_ATTRIBUTE_MAP.get(&name).map_or(false, |attr| attr.only_local) } diff --git a/compiler/rustc_hir_analysis/src/astconv/mod.rs b/compiler/rustc_hir_analysis/src/astconv/mod.rs index 6e373e41b4c..a0350c26d82 100644 --- a/compiler/rustc_hir_analysis/src/astconv/mod.rs +++ b/compiler/rustc_hir_analysis/src/astconv/mod.rs @@ -582,7 +582,7 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { assoc_bindings } - pub(crate) fn create_substs_for_associated_item( + pub fn create_substs_for_associated_item( &self, span: Span, item_def_id: DefId, @@ -3051,24 +3051,27 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { .map_or(false, |s| s.trim_end().ends_with('<')); let is_global = poly_trait_ref.trait_ref.path.is_global(); - let sugg = Vec::from_iter([ - ( - self_ty.span.shrink_to_lo(), - format!( - "{}dyn {}", - if needs_bracket { "<" } else { "" }, - if is_global { "(" } else { "" }, - ), + + let mut sugg = Vec::from_iter([( + self_ty.span.shrink_to_lo(), + format!( + "{}dyn {}", + if needs_bracket { "<" } else { "" }, + if is_global { "(" } else { "" }, ), - ( + )]); + + if is_global || needs_bracket { + sugg.push(( self_ty.span.shrink_to_hi(), format!( "{}{}", if is_global { ")" } else { "" }, if needs_bracket { ">" } else { "" }, ), - ), - ]); + )); + } + if self_ty.span.edition() >= Edition::Edition2021 { let msg = "trait objects must include the `dyn` keyword"; let label = "add `dyn` keyword before this trait"; diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index c3583eeb430..a1faf802519 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -1,6 +1,5 @@ use crate::check::intrinsicck::InlineAsmCtxt; -use super::coercion::CoerceMany; use super::compare_method::check_type_bounds; use super::compare_method::{compare_impl_method, compare_ty_impl}; use super::*; @@ -10,10 +9,8 @@ use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::Visitor; -use rustc_hir::lang_items::LangItem; use rustc_hir::{ItemKind, Node, PathSegment}; use rustc_infer::infer::outlives::env::OutlivesEnvironment; -use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{DefiningAnchor, RegionVariableOrigin, TyCtxtInferExt}; use rustc_infer::traits::Obligation; use rustc_lint::builtin::REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS; @@ -34,7 +31,7 @@ use rustc_trait_selection::traits::{self, ObligationCtxt}; use std::ops::ControlFlow; -pub(super) fn check_abi(tcx: TyCtxt<'_>, hir_id: hir::HirId, span: Span, abi: Abi) { +pub fn check_abi(tcx: TyCtxt<'_>, hir_id: hir::HirId, span: Span, abi: Abi) { match tcx.sess.target.is_abi_supported(abi) { Some(true) => (), Some(false) => { @@ -69,313 +66,6 @@ pub(super) fn check_abi(tcx: TyCtxt<'_>, hir_id: hir::HirId, span: Span, abi: Ab } } -/// Helper used for fns and closures. Does the grungy work of checking a function -/// body and returns the function context used for that purpose, since in the case of a fn item -/// there is still a bit more to do. -/// -/// * ... -/// * inherited: other fields inherited from the enclosing fn (if any) -#[instrument(skip(inherited, body), level = "debug")] -pub(super) fn check_fn<'a, 'tcx>( - inherited: &'a Inherited<'tcx>, - param_env: ty::ParamEnv<'tcx>, - fn_sig: ty::FnSig<'tcx>, - decl: &'tcx hir::FnDecl<'tcx>, - fn_id: hir::HirId, - body: &'tcx hir::Body<'tcx>, - can_be_generator: Option<hir::Movability>, - return_type_pre_known: bool, -) -> (FnCtxt<'a, 'tcx>, Option<GeneratorTypes<'tcx>>) { - // Create the function context. This is either derived from scratch or, - // in the case of closures, based on the outer context. - let mut fcx = FnCtxt::new(inherited, param_env, body.value.hir_id); - fcx.ps.set(UnsafetyState::function(fn_sig.unsafety, fn_id)); - fcx.return_type_pre_known = return_type_pre_known; - - let tcx = fcx.tcx; - let hir = tcx.hir(); - - let declared_ret_ty = fn_sig.output(); - - let ret_ty = - fcx.register_infer_ok_obligations(fcx.infcx.replace_opaque_types_with_inference_vars( - declared_ret_ty, - body.value.hir_id, - decl.output.span(), - param_env, - )); - // If we replaced declared_ret_ty with infer vars, then we must be inferring - // an opaque type, so set a flag so we can improve diagnostics. - fcx.return_type_has_opaque = ret_ty != declared_ret_ty; - - fcx.ret_coercion = Some(RefCell::new(CoerceMany::new(ret_ty))); - - let span = body.value.span; - - fn_maybe_err(tcx, span, fn_sig.abi); - - if fn_sig.abi == Abi::RustCall { - let expected_args = if let ImplicitSelfKind::None = decl.implicit_self { 1 } else { 2 }; - - let err = || { - let item = match tcx.hir().get(fn_id) { - Node::Item(hir::Item { kind: ItemKind::Fn(header, ..), .. }) => Some(header), - Node::ImplItem(hir::ImplItem { - kind: hir::ImplItemKind::Fn(header, ..), .. - }) => Some(header), - Node::TraitItem(hir::TraitItem { - kind: hir::TraitItemKind::Fn(header, ..), - .. - }) => Some(header), - // Closures are RustCall, but they tuple their arguments, so shouldn't be checked - Node::Expr(hir::Expr { kind: hir::ExprKind::Closure { .. }, .. }) => None, - node => bug!("Item being checked wasn't a function/closure: {:?}", node), - }; - - if let Some(header) = item { - tcx.sess.span_err(header.span, "functions with the \"rust-call\" ABI must take a single non-self argument that is a tuple"); - } - }; - - if fn_sig.inputs().len() != expected_args { - err() - } else { - // FIXME(CraftSpider) Add a check on parameter expansion, so we don't just make the ICE happen later on - // This will probably require wide-scale changes to support a TupleKind obligation - // We can't resolve this without knowing the type of the param - if !matches!(fn_sig.inputs()[expected_args - 1].kind(), ty::Tuple(_) | ty::Param(_)) { - err() - } - } - } - - if body.generator_kind.is_some() && can_be_generator.is_some() { - let yield_ty = fcx - .next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::TypeInference, span }); - fcx.require_type_is_sized(yield_ty, span, traits::SizedYieldType); - - // Resume type defaults to `()` if the generator has no argument. - let resume_ty = fn_sig.inputs().get(0).copied().unwrap_or_else(|| tcx.mk_unit()); - - fcx.resume_yield_tys = Some((resume_ty, yield_ty)); - } - - GatherLocalsVisitor::new(&fcx).visit_body(body); - - // C-variadic fns also have a `VaList` input that's not listed in `fn_sig` - // (as it's created inside the body itself, not passed in from outside). - let maybe_va_list = if fn_sig.c_variadic { - let span = body.params.last().unwrap().span; - let va_list_did = tcx.require_lang_item(LangItem::VaList, Some(span)); - let region = fcx.next_region_var(RegionVariableOrigin::MiscVariable(span)); - - Some(tcx.bound_type_of(va_list_did).subst(tcx, &[region.into()])) - } else { - None - }; - - // Add formal parameters. - let inputs_hir = hir.fn_decl_by_hir_id(fn_id).map(|decl| &decl.inputs); - let inputs_fn = fn_sig.inputs().iter().copied(); - for (idx, (param_ty, param)) in inputs_fn.chain(maybe_va_list).zip(body.params).enumerate() { - // Check the pattern. - let ty_span = try { inputs_hir?.get(idx)?.span }; - fcx.check_pat_top(¶m.pat, param_ty, ty_span, false); - - // Check that argument is Sized. - // The check for a non-trivial pattern is a hack to avoid duplicate warnings - // for simple cases like `fn foo(x: Trait)`, - // where we would error once on the parameter as a whole, and once on the binding `x`. - if param.pat.simple_ident().is_none() && !tcx.features().unsized_fn_params { - fcx.require_type_is_sized(param_ty, param.pat.span, traits::SizedArgumentType(ty_span)); - } - - fcx.write_ty(param.hir_id, param_ty); - } - - inherited.typeck_results.borrow_mut().liberated_fn_sigs_mut().insert(fn_id, fn_sig); - - fcx.in_tail_expr = true; - if let ty::Dynamic(..) = declared_ret_ty.kind() { - // FIXME: We need to verify that the return type is `Sized` after the return expression has - // been evaluated so that we have types available for all the nodes being returned, but that - // requires the coerced evaluated type to be stored. Moving `check_return_expr` before this - // causes unsized errors caused by the `declared_ret_ty` to point at the return expression, - // while keeping the current ordering we will ignore the tail expression's type because we - // don't know it yet. We can't do `check_expr_kind` while keeping `check_return_expr` - // because we will trigger "unreachable expression" lints unconditionally. - // Because of all of this, we perform a crude check to know whether the simplest `!Sized` - // case that a newcomer might make, returning a bare trait, and in that case we populate - // the tail expression's type so that the suggestion will be correct, but ignore all other - // possible cases. - fcx.check_expr(&body.value); - fcx.require_type_is_sized(declared_ret_ty, decl.output.span(), traits::SizedReturnType); - } else { - fcx.require_type_is_sized(declared_ret_ty, decl.output.span(), traits::SizedReturnType); - fcx.check_return_expr(&body.value, false); - } - fcx.in_tail_expr = false; - - // We insert the deferred_generator_interiors entry after visiting the body. - // This ensures that all nested generators appear before the entry of this generator. - // resolve_generator_interiors relies on this property. - let gen_ty = if let (Some(_), Some(gen_kind)) = (can_be_generator, body.generator_kind) { - let interior = fcx - .next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::MiscVariable, span }); - fcx.deferred_generator_interiors.borrow_mut().push((body.id(), interior, gen_kind)); - - let (resume_ty, yield_ty) = fcx.resume_yield_tys.unwrap(); - Some(GeneratorTypes { - resume_ty, - yield_ty, - interior, - movability: can_be_generator.unwrap(), - }) - } else { - None - }; - - // Finalize the return check by taking the LUB of the return types - // we saw and assigning it to the expected return type. This isn't - // really expected to fail, since the coercions would have failed - // earlier when trying to find a LUB. - let coercion = fcx.ret_coercion.take().unwrap().into_inner(); - let mut actual_return_ty = coercion.complete(&fcx); - debug!("actual_return_ty = {:?}", actual_return_ty); - if let ty::Dynamic(..) = declared_ret_ty.kind() { - // We have special-cased the case where the function is declared - // `-> dyn Foo` and we don't actually relate it to the - // `fcx.ret_coercion`, so just substitute a type variable. - actual_return_ty = - fcx.next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::DynReturnFn, span }); - debug!("actual_return_ty replaced with {:?}", actual_return_ty); - } - - // HACK(oli-obk, compiler-errors): We should be comparing this against - // `declared_ret_ty`, but then anything uninferred would be inferred to - // the opaque type itself. That again would cause writeback to assume - // we have a recursive call site and do the sadly stabilized fallback to `()`. - fcx.demand_suptype(span, ret_ty, actual_return_ty); - - // Check that a function marked as `#[panic_handler]` has signature `fn(&PanicInfo) -> !` - if let Some(panic_impl_did) = tcx.lang_items().panic_impl() - && panic_impl_did == hir.local_def_id(fn_id).to_def_id() - { - check_panic_info_fn(tcx, panic_impl_did.expect_local(), fn_sig, decl, declared_ret_ty); - } - - // Check that a function marked as `#[alloc_error_handler]` has signature `fn(Layout) -> !` - if let Some(alloc_error_handler_did) = tcx.lang_items().oom() - && alloc_error_handler_did == hir.local_def_id(fn_id).to_def_id() - { - check_alloc_error_fn(tcx, alloc_error_handler_did.expect_local(), fn_sig, decl, declared_ret_ty); - } - - (fcx, gen_ty) -} - -fn check_panic_info_fn( - tcx: TyCtxt<'_>, - fn_id: LocalDefId, - fn_sig: ty::FnSig<'_>, - decl: &hir::FnDecl<'_>, - declared_ret_ty: Ty<'_>, -) { - let Some(panic_info_did) = tcx.lang_items().panic_info() else { - tcx.sess.err("language item required, but not found: `panic_info`"); - return; - }; - - if *declared_ret_ty.kind() != ty::Never { - tcx.sess.span_err(decl.output.span(), "return type should be `!`"); - } - - let inputs = fn_sig.inputs(); - if inputs.len() != 1 { - tcx.sess.span_err(tcx.def_span(fn_id), "function should have one argument"); - return; - } - - let arg_is_panic_info = match *inputs[0].kind() { - ty::Ref(region, ty, mutbl) => match *ty.kind() { - ty::Adt(ref adt, _) => { - adt.did() == panic_info_did && mutbl == hir::Mutability::Not && !region.is_static() - } - _ => false, - }, - _ => false, - }; - - if !arg_is_panic_info { - tcx.sess.span_err(decl.inputs[0].span, "argument should be `&PanicInfo`"); - } - - let DefKind::Fn = tcx.def_kind(fn_id) else { - let span = tcx.def_span(fn_id); - tcx.sess.span_err(span, "should be a function"); - return; - }; - - let generic_counts = tcx.generics_of(fn_id).own_counts(); - if generic_counts.types != 0 { - let span = tcx.def_span(fn_id); - tcx.sess.span_err(span, "should have no type parameters"); - } - if generic_counts.consts != 0 { - let span = tcx.def_span(fn_id); - tcx.sess.span_err(span, "should have no const parameters"); - } -} - -fn check_alloc_error_fn( - tcx: TyCtxt<'_>, - fn_id: LocalDefId, - fn_sig: ty::FnSig<'_>, - decl: &hir::FnDecl<'_>, - declared_ret_ty: Ty<'_>, -) { - let Some(alloc_layout_did) = tcx.lang_items().alloc_layout() else { - tcx.sess.err("language item required, but not found: `alloc_layout`"); - return; - }; - - if *declared_ret_ty.kind() != ty::Never { - tcx.sess.span_err(decl.output.span(), "return type should be `!`"); - } - - let inputs = fn_sig.inputs(); - if inputs.len() != 1 { - tcx.sess.span_err(tcx.def_span(fn_id), "function should have one argument"); - return; - } - - let arg_is_alloc_layout = match inputs[0].kind() { - ty::Adt(ref adt, _) => adt.did() == alloc_layout_did, - _ => false, - }; - - if !arg_is_alloc_layout { - tcx.sess.span_err(decl.inputs[0].span, "argument should be `Layout`"); - } - - let DefKind::Fn = tcx.def_kind(fn_id) else { - let span = tcx.def_span(fn_id); - tcx.sess.span_err(span, "`#[alloc_error_handler]` should be a function"); - return; - }; - - let generic_counts = tcx.generics_of(fn_id).own_counts(); - if generic_counts.types != 0 { - let span = tcx.def_span(fn_id); - tcx.sess.span_err(span, "`#[alloc_error_handler]` function should have no type parameters"); - } - if generic_counts.consts != 0 { - let span = tcx.def_span(fn_id); - tcx.sess - .span_err(span, "`#[alloc_error_handler]` function should have no const parameters"); - } -} - fn check_struct(tcx: TyCtxt<'_>, def_id: LocalDefId) { let def = tcx.adt_def(def_id); let span = tcx.def_span(def_id); diff --git a/compiler/rustc_hir_analysis/src/check/compare_method.rs b/compiler/rustc_hir_analysis/src/check/compare_method.rs index 60eaad9b498..e72f18012ab 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_method.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_method.rs @@ -598,8 +598,16 @@ pub fn collect_trait_impl_trait_tys<'tcx>( let num_impl_substs = tcx.generics_of(impl_m.container_id(tcx)).params.len(); let ty = tcx.fold_regions(ty, |region, _| { let ty::ReFree(_) = region.kind() else { return region; }; - let ty::ReEarlyBound(e) = map[®ion.into()].expect_region().kind() - else { bug!("expected ReFree to map to ReEarlyBound"); }; + let Some(ty::ReEarlyBound(e)) = map.get(®ion.into()).map(|r| r.expect_region().kind()) + else { + tcx + .sess + .delay_span_bug( + return_span, + "expected ReFree to map to ReEarlyBound" + ); + return tcx.lifetimes.re_static; + }; tcx.mk_region(ty::ReEarlyBound(ty::EarlyBoundRegion { def_id: e.def_id, name: e.name, @@ -664,10 +672,7 @@ impl<'tcx> TypeFolder<'tcx> for ImplTraitInTraitCollector<'_, 'tcx> { }); self.types.insert(proj.item_def_id, (infer_ty, proj.substs)); // Recurse into bounds - for pred in self.tcx().bound_explicit_item_bounds(proj.item_def_id).transpose_iter() { - let pred_span = pred.0.1; - - let pred = pred.map_bound(|(pred, _)| *pred).subst(self.tcx(), proj.substs); + for (pred, pred_span) in self.tcx().bound_explicit_item_bounds(proj.item_def_id).subst_iter_copied(self.tcx(), proj.substs) { let pred = pred.fold_with(self); let pred = self.ocx.normalize( ObligationCause::misc(self.span, self.body_id), @@ -1752,15 +1757,10 @@ pub fn check_type_bounds<'tcx>( let obligations = tcx .bound_explicit_item_bounds(trait_ty.def_id) - .transpose_iter() - .map(|e| e.map_bound(|e| *e).transpose_tuple2()) - .map(|(bound, span)| { - debug!(?bound); - // this is where opaque type is found - let concrete_ty_bound = bound.subst(tcx, rebased_substs); + .subst_iter_copied(tcx, rebased_substs) + .map(|(concrete_ty_bound, span)| { debug!("check_type_bounds: concrete_ty_bound = {:?}", concrete_ty_bound); - - traits::Obligation::new(mk_cause(span.0), param_env, concrete_ty_bound) + traits::Obligation::new(mk_cause(span), param_env, concrete_ty_bound) }) .collect(); debug!("check_type_bounds: item_bounds={:?}", obligations); diff --git a/compiler/rustc_hir_analysis/src/check/dropck.rs b/compiler/rustc_hir_analysis/src/check/dropck.rs index e5b212eb757..a74016e220e 100644 --- a/compiler/rustc_hir_analysis/src/check/dropck.rs +++ b/compiler/rustc_hir_analysis/src/check/dropck.rs @@ -184,13 +184,7 @@ fn ensure_drop_predicates_are_implied_by_item_defn<'tcx>( let p = p.kind(); match (predicate.skip_binder(), p.skip_binder()) { (ty::PredicateKind::Trait(a), ty::PredicateKind::Trait(b)) => { - // Since struct predicates cannot have ~const, project the impl predicate - // onto one that ignores the constness. This is equivalent to saying that - // we match a `Trait` bound on the struct with a `Trait` or `~const Trait` - // in the impl. - let non_const_a = - ty::TraitPredicate { constness: ty::BoundConstness::NotConst, ..a }; - relator.relate(predicate.rebind(non_const_a), p.rebind(b)).is_ok() + relator.relate(predicate.rebind(a), p.rebind(b)).is_ok() } (ty::PredicateKind::Projection(a), ty::PredicateKind::Projection(b)) => { relator.relate(predicate.rebind(a), p.rebind(b)).is_ok() @@ -198,7 +192,7 @@ fn ensure_drop_predicates_are_implied_by_item_defn<'tcx>( ( ty::PredicateKind::ConstEvaluatable(a), ty::PredicateKind::ConstEvaluatable(b), - ) => tcx.try_unify_abstract_consts(self_param_env.and((a, b))), + ) => relator.relate(predicate.rebind(a), predicate.rebind(b)).is_ok(), ( ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate(ty_a, lt_a)), ty::PredicateKind::TypeOutlives(ty::OutlivesPredicate(ty_b, lt_b)), diff --git a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs index 25228f424cd..a026f8033c8 100644 --- a/compiler/rustc_hir_analysis/src/check/intrinsicck.rs +++ b/compiler/rustc_hir_analysis/src/check/intrinsicck.rs @@ -1,117 +1,11 @@ -use hir::HirId; use rustc_ast::InlineAsmTemplatePiece; use rustc_data_structures::fx::FxHashSet; -use rustc_errors::struct_span_err; use rustc_hir as hir; -use rustc_index::vec::Idx; -use rustc_middle::ty::layout::{LayoutError, SizeSkeleton}; use rustc_middle::ty::{self, Article, FloatTy, IntTy, Ty, TyCtxt, TypeVisitable, UintTy}; use rustc_session::lint; use rustc_span::{Symbol, DUMMY_SP}; -use rustc_target::abi::{Pointer, VariantIdx}; use rustc_target::asm::{InlineAsmReg, InlineAsmRegClass, InlineAsmRegOrRegClass, InlineAsmType}; -use super::FnCtxt; - -/// If the type is `Option<T>`, it will return `T`, otherwise -/// the type itself. Works on most `Option`-like types. -fn unpack_option_like<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> { - let ty::Adt(def, substs) = *ty.kind() else { return ty }; - - if def.variants().len() == 2 && !def.repr().c() && def.repr().int.is_none() { - let data_idx; - - let one = VariantIdx::new(1); - let zero = VariantIdx::new(0); - - if def.variant(zero).fields.is_empty() { - data_idx = one; - } else if def.variant(one).fields.is_empty() { - data_idx = zero; - } else { - return ty; - } - - if def.variant(data_idx).fields.len() == 1 { - return def.variant(data_idx).fields[0].ty(tcx, substs); - } - } - - ty -} - -impl<'a, 'tcx> FnCtxt<'a, 'tcx> { - pub fn check_transmute(&self, from: Ty<'tcx>, to: Ty<'tcx>, hir_id: HirId) { - let tcx = self.tcx; - let span = tcx.hir().span(hir_id); - let normalize = |ty| { - let ty = self.resolve_vars_if_possible(ty); - self.tcx.normalize_erasing_regions(self.param_env, ty) - }; - let from = normalize(from); - let to = normalize(to); - trace!(?from, ?to); - - // Transmutes that are only changing lifetimes are always ok. - if from == to { - return; - } - - let skel = |ty| SizeSkeleton::compute(ty, tcx, self.param_env); - let sk_from = skel(from); - let sk_to = skel(to); - trace!(?sk_from, ?sk_to); - - // Check for same size using the skeletons. - if let (Ok(sk_from), Ok(sk_to)) = (sk_from, sk_to) { - if sk_from.same_size(sk_to) { - return; - } - - // Special-case transmuting from `typeof(function)` and - // `Option<typeof(function)>` to present a clearer error. - let from = unpack_option_like(tcx, from); - if let (&ty::FnDef(..), SizeSkeleton::Known(size_to)) = (from.kind(), sk_to) && size_to == Pointer.size(&tcx) { - struct_span_err!(tcx.sess, span, E0591, "can't transmute zero-sized type") - .note(&format!("source type: {from}")) - .note(&format!("target type: {to}")) - .help("cast with `as` to a pointer instead") - .emit(); - return; - } - } - - // Try to display a sensible error with as much information as possible. - let skeleton_string = |ty: Ty<'tcx>, sk| match sk { - Ok(SizeSkeleton::Known(size)) => format!("{} bits", size.bits()), - Ok(SizeSkeleton::Pointer { tail, .. }) => format!("pointer to `{tail}`"), - Err(LayoutError::Unknown(bad)) => { - if bad == ty { - "this type does not have a fixed size".to_owned() - } else { - format!("size can vary because of {bad}") - } - } - Err(err) => err.to_string(), - }; - - let mut err = struct_span_err!( - tcx.sess, - span, - E0512, - "cannot transmute between types of different sizes, \ - or dependently-sized types" - ); - if from == to { - err.note(&format!("`{from}` does not have a fixed size")); - } else { - err.note(&format!("source type: `{}` ({})", from, skeleton_string(from, sk_from))) - .note(&format!("target type: `{}` ({})", to, skeleton_string(to, sk_to))); - } - err.emit(); - } -} - pub struct InlineAsmCtxt<'a, 'tcx> { tcx: TyCtxt<'tcx>, param_env: ty::ParamEnv<'tcx>, diff --git a/compiler/rustc_hir_analysis/src/check/mod.rs b/compiler/rustc_hir_analysis/src/check/mod.rs index 331bd7e26c8..2e7b1025764 100644 --- a/compiler/rustc_hir_analysis/src/check/mod.rs +++ b/compiler/rustc_hir_analysis/src/check/mod.rs @@ -62,191 +62,45 @@ a type parameter). */ -pub mod _match; -mod autoderef; -mod callee; -pub mod cast; mod check; -mod closure; -pub mod coercion; mod compare_method; -pub mod demand; -mod diverges; pub mod dropck; -mod expectation; -mod expr; -mod fallback; -mod fn_ctxt; -mod gather_locals; -mod generator_interior; -mod inherited; pub mod intrinsic; -mod intrinsicck; -pub mod method; -mod op; -mod pat; -mod place_op; +pub mod intrinsicck; mod region; -pub mod rvalue_scopes; -mod upvar; pub mod wfcheck; -pub mod writeback; -use check::{check_abi, check_fn, check_mod_item_types}; -pub use diverges::Diverges; -pub use expectation::Expectation; -pub use fn_ctxt::*; -pub use inherited::{Inherited, InheritedBuilder}; +pub use check::check_abi; -use crate::astconv::AstConv; -use crate::check::gather_locals::GatherLocalsVisitor; +use check::check_mod_item_types; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_errors::{ - pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, MultiSpan, -}; +use rustc_errors::{pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder}; use rustc_hir as hir; -use rustc_hir::def::Res; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::intravisit::Visitor; -use rustc_hir::{HirIdMap, ImplicitSelfKind, Node}; use rustc_index::bit_set::BitSet; -use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_middle::ty::query::Providers; -use rustc_middle::ty::{self, Ty, TyCtxt, UserType}; +use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_middle::ty::{InternalSubsts, SubstsRef}; -use rustc_session::config; use rustc_session::parse::feature_err; -use rustc_session::Session; use rustc_span::source_map::DUMMY_SP; use rustc_span::symbol::{kw, Ident}; use rustc_span::{self, BytePos, Span, Symbol}; use rustc_target::abi::VariantIdx; use rustc_target::spec::abi::Abi; -use rustc_trait_selection::traits; use rustc_trait_selection::traits::error_reporting::suggestions::ReturnsVisitor; -use std::cell::RefCell; use std::num::NonZeroU32; use crate::require_c_abi_if_c_variadic; use crate::util::common::indenter; -use self::coercion::DynamicCoerceMany; use self::compare_method::collect_trait_impl_trait_tys; use self::region::region_scope_tree; -pub use self::Expectation::*; - -#[macro_export] -macro_rules! type_error_struct { - ($session:expr, $span:expr, $typ:expr, $code:ident, $($message:tt)*) => ({ - let mut err = rustc_errors::struct_span_err!($session, $span, $code, $($message)*); - - if $typ.references_error() { - err.downgrade_to_delayed_bug(); - } - - err - }) -} - -/// The type of a local binding, including the revealed type for anon types. -#[derive(Copy, Clone, Debug)] -pub struct LocalTy<'tcx> { - decl_ty: Ty<'tcx>, - revealed_ty: Ty<'tcx>, -} - -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub enum Needs { - MutPlace, - None, -} - -impl Needs { - fn maybe_mut_place(m: hir::Mutability) -> Self { - match m { - hir::Mutability::Mut => Needs::MutPlace, - hir::Mutability::Not => Needs::None, - } - } -} - -#[derive(Copy, Clone)] -pub struct UnsafetyState { - pub def: hir::HirId, - pub unsafety: hir::Unsafety, - from_fn: bool, -} - -impl UnsafetyState { - pub fn function(unsafety: hir::Unsafety, def: hir::HirId) -> UnsafetyState { - UnsafetyState { def, unsafety, from_fn: true } - } - - pub fn recurse(self, blk: &hir::Block<'_>) -> UnsafetyState { - use hir::BlockCheckMode; - match self.unsafety { - // If this unsafe, then if the outer function was already marked as - // unsafe we shouldn't attribute the unsafe'ness to the block. This - // way the block can be warned about instead of ignoring this - // extraneous block (functions are never warned about). - hir::Unsafety::Unsafe if self.from_fn => self, - - unsafety => { - let (unsafety, def) = match blk.rules { - BlockCheckMode::UnsafeBlock(..) => (hir::Unsafety::Unsafe, blk.hir_id), - BlockCheckMode::DefaultBlock => (unsafety, self.def), - }; - UnsafetyState { def, unsafety, from_fn: false } - } - } - } -} - -#[derive(Debug, Copy, Clone)] -pub enum PlaceOp { - Deref, - Index, -} - -pub struct BreakableCtxt<'tcx> { - may_break: bool, - - // this is `null` for loops where break with a value is illegal, - // such as `while`, `for`, and `while let` - coerce: Option<DynamicCoerceMany<'tcx>>, -} - -pub struct EnclosingBreakables<'tcx> { - stack: Vec<BreakableCtxt<'tcx>>, - by_id: HirIdMap<usize>, -} - -impl<'tcx> EnclosingBreakables<'tcx> { - fn find_breakable(&mut self, target_id: hir::HirId) -> &mut BreakableCtxt<'tcx> { - self.opt_find_breakable(target_id).unwrap_or_else(|| { - bug!("could not find enclosing breakable with id {}", target_id); - }) - } - - fn opt_find_breakable(&mut self, target_id: hir::HirId) -> Option<&mut BreakableCtxt<'tcx>> { - match self.by_id.get(&target_id) { - Some(ix) => Some(&mut self.stack[*ix]), - None => None, - } - } -} pub fn provide(providers: &mut Providers) { - method::provide(providers); wfcheck::provide(providers); *providers = Providers { - typeck_item_bodies, - typeck_const_arg, - typeck, - diagnostic_only_typeck, - has_typeck_results, adt_destructor, - used_trait_imports, check_mod_item_types, region_scope_tree, collect_trait_impl_trait_tys, @@ -259,259 +113,6 @@ fn adt_destructor(tcx: TyCtxt<'_>, def_id: DefId) -> Option<ty::Destructor> { tcx.calculate_dtor(def_id, dropck::check_drop_impl) } -/// If this `DefId` is a "primary tables entry", returns -/// `Some((body_id, body_ty, fn_sig))`. Otherwise, returns `None`. -/// -/// If this function returns `Some`, then `typeck_results(def_id)` will -/// succeed; if it returns `None`, then `typeck_results(def_id)` may or -/// may not succeed. In some cases where this function returns `None` -/// (notably closures), `typeck_results(def_id)` would wind up -/// redirecting to the owning function. -fn primary_body_of( - tcx: TyCtxt<'_>, - id: hir::HirId, -) -> Option<(hir::BodyId, Option<&hir::Ty<'_>>, Option<&hir::FnSig<'_>>)> { - match tcx.hir().get(id) { - Node::Item(item) => match item.kind { - hir::ItemKind::Const(ty, body) | hir::ItemKind::Static(ty, _, body) => { - Some((body, Some(ty), None)) - } - hir::ItemKind::Fn(ref sig, .., body) => Some((body, None, Some(sig))), - _ => None, - }, - Node::TraitItem(item) => match item.kind { - hir::TraitItemKind::Const(ty, Some(body)) => Some((body, Some(ty), None)), - hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(body)) => { - Some((body, None, Some(sig))) - } - _ => None, - }, - Node::ImplItem(item) => match item.kind { - hir::ImplItemKind::Const(ty, body) => Some((body, Some(ty), None)), - hir::ImplItemKind::Fn(ref sig, body) => Some((body, None, Some(sig))), - _ => None, - }, - Node::AnonConst(constant) => Some((constant.body, None, None)), - _ => None, - } -} - -fn has_typeck_results(tcx: TyCtxt<'_>, def_id: DefId) -> bool { - // Closures' typeck results come from their outermost function, - // as they are part of the same "inference environment". - let typeck_root_def_id = tcx.typeck_root_def_id(def_id); - if typeck_root_def_id != def_id { - return tcx.has_typeck_results(typeck_root_def_id); - } - - if let Some(def_id) = def_id.as_local() { - let id = tcx.hir().local_def_id_to_hir_id(def_id); - primary_body_of(tcx, id).is_some() - } else { - false - } -} - -fn used_trait_imports(tcx: TyCtxt<'_>, def_id: LocalDefId) -> &FxHashSet<LocalDefId> { - &*tcx.typeck(def_id).used_trait_imports -} - -fn typeck_const_arg<'tcx>( - tcx: TyCtxt<'tcx>, - (did, param_did): (LocalDefId, DefId), -) -> &ty::TypeckResults<'tcx> { - let fallback = move || tcx.type_of(param_did); - typeck_with_fallback(tcx, did, fallback) -} - -fn typeck<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> &ty::TypeckResults<'tcx> { - if let Some(param_did) = tcx.opt_const_param_of(def_id) { - tcx.typeck_const_arg((def_id, param_did)) - } else { - let fallback = move || tcx.type_of(def_id.to_def_id()); - typeck_with_fallback(tcx, def_id, fallback) - } -} - -/// Used only to get `TypeckResults` for type inference during error recovery. -/// Currently only used for type inference of `static`s and `const`s to avoid type cycle errors. -fn diagnostic_only_typeck<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> &ty::TypeckResults<'tcx> { - let fallback = move || { - let span = tcx.hir().span(tcx.hir().local_def_id_to_hir_id(def_id)); - tcx.ty_error_with_message(span, "diagnostic only typeck table used") - }; - typeck_with_fallback(tcx, def_id, fallback) -} - -fn typeck_with_fallback<'tcx>( - tcx: TyCtxt<'tcx>, - def_id: LocalDefId, - fallback: impl Fn() -> Ty<'tcx> + 'tcx, -) -> &'tcx ty::TypeckResults<'tcx> { - // Closures' typeck results come from their outermost function, - // as they are part of the same "inference environment". - let typeck_root_def_id = tcx.typeck_root_def_id(def_id.to_def_id()).expect_local(); - if typeck_root_def_id != def_id { - return tcx.typeck(typeck_root_def_id); - } - - let id = tcx.hir().local_def_id_to_hir_id(def_id); - let span = tcx.hir().span(id); - - // Figure out what primary body this item has. - let (body_id, body_ty, fn_sig) = primary_body_of(tcx, id).unwrap_or_else(|| { - span_bug!(span, "can't type-check body of {:?}", def_id); - }); - let body = tcx.hir().body(body_id); - - let typeck_results = Inherited::build(tcx, def_id).enter(|inh| { - let param_env = tcx.param_env(def_id); - let mut fcx = if let Some(hir::FnSig { header, decl, .. }) = fn_sig { - let fn_sig = if crate::collect::get_infer_ret_ty(&decl.output).is_some() { - let fcx = FnCtxt::new(&inh, param_env, body.value.hir_id); - <dyn AstConv<'_>>::ty_of_fn(&fcx, id, header.unsafety, header.abi, decl, None, None) - } else { - tcx.fn_sig(def_id) - }; - - check_abi(tcx, id, span, fn_sig.abi()); - - // Compute the function signature from point of view of inside the fn. - let fn_sig = tcx.liberate_late_bound_regions(def_id.to_def_id(), fn_sig); - let fn_sig = inh.normalize_associated_types_in( - body.value.span, - body_id.hir_id, - param_env, - fn_sig, - ); - check_fn(&inh, param_env, fn_sig, decl, id, body, None, true).0 - } else { - let fcx = FnCtxt::new(&inh, param_env, body.value.hir_id); - let expected_type = body_ty - .and_then(|ty| match ty.kind { - hir::TyKind::Infer => Some(<dyn AstConv<'_>>::ast_ty_to_ty(&fcx, ty)), - _ => None, - }) - .unwrap_or_else(|| match tcx.hir().get(id) { - Node::AnonConst(_) => match tcx.hir().get(tcx.hir().get_parent_node(id)) { - Node::Expr(&hir::Expr { - kind: hir::ExprKind::ConstBlock(ref anon_const), - .. - }) if anon_const.hir_id == id => fcx.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::TypeInference, - span, - }), - Node::Ty(&hir::Ty { - kind: hir::TyKind::Typeof(ref anon_const), .. - }) if anon_const.hir_id == id => fcx.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::TypeInference, - span, - }), - Node::Expr(&hir::Expr { kind: hir::ExprKind::InlineAsm(asm), .. }) - | Node::Item(&hir::Item { kind: hir::ItemKind::GlobalAsm(asm), .. }) => { - let operand_ty = asm - .operands - .iter() - .filter_map(|(op, _op_sp)| match op { - hir::InlineAsmOperand::Const { anon_const } - if anon_const.hir_id == id => - { - // Inline assembly constants must be integers. - Some(fcx.next_int_var()) - } - hir::InlineAsmOperand::SymFn { anon_const } - if anon_const.hir_id == id => - { - Some(fcx.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::MiscVariable, - span, - })) - } - _ => None, - }) - .next(); - operand_ty.unwrap_or_else(fallback) - } - _ => fallback(), - }, - _ => fallback(), - }); - - let expected_type = fcx.normalize_associated_types_in(body.value.span, expected_type); - fcx.require_type_is_sized(expected_type, body.value.span, traits::ConstSized); - - // Gather locals in statics (because of block expressions). - GatherLocalsVisitor::new(&fcx).visit_body(body); - - fcx.check_expr_coercable_to_type(&body.value, expected_type, None); - - fcx.write_ty(id, expected_type); - - fcx - }; - - let fallback_has_occurred = fcx.type_inference_fallback(); - - // Even though coercion casts provide type hints, we check casts after fallback for - // backwards compatibility. This makes fallback a stronger type hint than a cast coercion. - fcx.check_casts(); - fcx.select_obligations_where_possible(fallback_has_occurred, |_| {}); - - // Closure and generator analysis may run after fallback - // because they don't constrain other type variables. - // Closure analysis only runs on closures. Therefore they only need to fulfill non-const predicates (as of now) - let prev_constness = fcx.param_env.constness(); - fcx.param_env = fcx.param_env.without_const(); - fcx.closure_analyze(body); - fcx.param_env = fcx.param_env.with_constness(prev_constness); - assert!(fcx.deferred_call_resolutions.borrow().is_empty()); - // Before the generator analysis, temporary scopes shall be marked to provide more - // precise information on types to be captured. - fcx.resolve_rvalue_scopes(def_id.to_def_id()); - fcx.resolve_generator_interiors(def_id.to_def_id()); - - for (ty, span, code) in fcx.deferred_sized_obligations.borrow_mut().drain(..) { - let ty = fcx.normalize_ty(span, ty); - fcx.require_type_is_sized(ty, span, code); - } - - fcx.select_all_obligations_or_error(); - - if !fcx.infcx.is_tainted_by_errors() { - fcx.check_transmutes(); - } - - fcx.check_asms(); - - fcx.infcx.skip_region_resolution(); - - fcx.resolve_type_vars_in_body(body) - }); - - // Consistency check our TypeckResults instance can hold all ItemLocalIds - // it will need to hold. - assert_eq!(typeck_results.hir_owner, id.owner); - - typeck_results -} - -/// When `check_fn` is invoked on a generator (i.e., a body that -/// includes yield), it returns back some information about the yield -/// points. -struct GeneratorTypes<'tcx> { - /// Type of generator argument / values returned by `yield`. - resume_ty: Ty<'tcx>, - - /// Type of value that is yielded. - yield_ty: Ty<'tcx>, - - /// Types that are captured (see `GeneratorInterior` for more). - interior: Ty<'tcx>, - - /// Indicates if the generator is movable or static (immovable). - movability: hir::Movability, -} - /// Given a `DefId` for an opaque type in return position, find its parent item's return /// expressions. fn get_owner_return_paths<'tcx>( @@ -528,9 +129,10 @@ fn get_owner_return_paths<'tcx>( }) } -// Forbid defining intrinsics in Rust code, -// as they must always be defined by the compiler. -fn fn_maybe_err(tcx: TyCtxt<'_>, sp: Span, abi: Abi) { +/// Forbid defining intrinsics in Rust code, +/// as they must always be defined by the compiler. +// FIXME: Move this to a more appropriate place. +pub fn fn_maybe_err(tcx: TyCtxt<'_>, sp: Span, abi: Abi) { if let Abi::RustIntrinsic | Abi::PlatformIntrinsic = abi { tcx.sess.span_err(sp, "intrinsic must be in `extern \"rust-intrinsic\" { ... }` block"); } @@ -824,6 +426,17 @@ fn fn_sig_suggestion<'tcx>( format!("{unsafety}fn {ident}{generics}({args}){output}{where_clauses} {{ todo!() }}") } +pub fn ty_kind_suggestion(ty: Ty<'_>) -> Option<&'static str> { + Some(match ty.kind() { + ty::Bool => "true", + ty::Char => "'a'", + ty::Int(_) | ty::Uint(_) => "42", + ty::Float(_) => "3.14159", + ty::Error(_) | ty::Never => return None, + _ => "value", + }) +} + /// Return placeholder code for the given associated item. /// Similar to `ty::AssocItem::suggestion`, but appropriate for use as the code snippet of a /// structured suggestion. @@ -845,7 +458,7 @@ fn suggestion_signature(assoc: &ty::AssocItem, tcx: TyCtxt<'_>) -> String { ty::AssocKind::Type => format!("type {} = Type;", assoc.name), ty::AssocKind::Const => { let ty = tcx.type_of(assoc.def_id); - let val = expr::ty_kind_suggestion(ty).unwrap_or("value"); + let val = ty_kind_suggestion(ty).unwrap_or("value"); format!("const {}: {} = {};", assoc.name, ty, val) } } @@ -896,76 +509,7 @@ fn bad_non_zero_sized_fields<'tcx>( err.emit(); } -fn report_unexpected_variant_res(tcx: TyCtxt<'_>, res: Res, qpath: &hir::QPath<'_>, span: Span) { - struct_span_err!( - tcx.sess, - span, - E0533, - "expected unit struct, unit variant or constant, found {} `{}`", - res.descr(), - rustc_hir_pretty::qpath_to_string(qpath), - ) - .emit(); -} - -/// Controls whether the arguments are tupled. This is used for the call -/// operator. -/// -/// Tupling means that all call-side arguments are packed into a tuple and -/// passed as a single parameter. For example, if tupling is enabled, this -/// function: -/// ``` -/// fn f(x: (isize, isize)) {} -/// ``` -/// Can be called as: -/// ```ignore UNSOLVED (can this be done in user code?) -/// # fn f(x: (isize, isize)) {} -/// f(1, 2); -/// ``` -/// Instead of: -/// ``` -/// # fn f(x: (isize, isize)) {} -/// f((1, 2)); -/// ``` -#[derive(Clone, Eq, PartialEq)] -enum TupleArgumentsFlag { - DontTupleArguments, - TupleArguments, -} - -fn typeck_item_bodies(tcx: TyCtxt<'_>, (): ()) { - tcx.hir().par_body_owners(|body_owner_def_id| tcx.ensure().typeck(body_owner_def_id)); -} - -fn fatally_break_rust(sess: &Session) { - let handler = sess.diagnostic(); - handler.span_bug_no_panic( - MultiSpan::new(), - "It looks like you're trying to break rust; would you like some ICE?", - ); - handler.note_without_error("the compiler expectedly panicked. this is a feature."); - handler.note_without_error( - "we would appreciate a joke overview: \ - https://github.com/rust-lang/rust/issues/43162#issuecomment-320764675", - ); - handler.note_without_error(&format!( - "rustc {} running on {}", - option_env!("CFG_VERSION").unwrap_or("unknown_version"), - config::host_triple(), - )); -} - -fn potentially_plural_count(count: usize, word: &str) -> String { +// FIXME: Consider moving this method to a more fitting place. +pub fn potentially_plural_count(count: usize, word: &str) -> String { format!("{} {}{}", count, word, pluralize!(count)) } - -fn has_expected_num_generic_args<'tcx>( - tcx: TyCtxt<'tcx>, - trait_did: Option<DefId>, - expected: usize, -) -> bool { - trait_did.map_or(true, |trait_did| { - let generics = tcx.generics_of(trait_did); - generics.count() == expected + if generics.has_self { 1 } else { 0 } - }) -} diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index 0a8a1bec9b8..33ed3b96aa8 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -1101,8 +1101,6 @@ fn check_type_defn<'tcx, F>( // Explicit `enum` discriminant values must const-evaluate successfully. if let Some(discr_def_id) = variant.explicit_discr { - let discr_substs = InternalSubsts::identity_for_item(tcx, discr_def_id.to_def_id()); - let cause = traits::ObligationCause::new( tcx.def_span(discr_def_id), wfcx.body_id, @@ -1112,10 +1110,7 @@ fn check_type_defn<'tcx, F>( cause, wfcx.param_env, ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable( - ty::UnevaluatedConst::new( - ty::WithOptConstParam::unknown(discr_def_id.to_def_id()), - discr_substs, - ), + ty::Const::from_anon_const(tcx, discr_def_id), )) .to_predicate(tcx), )); diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 5c76016c662..66ca7d7aa08 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -100,13 +100,12 @@ pub fn provide(providers: &mut Providers) { /// It's also used for the bodies of items like structs where the body (the fields) /// are just signatures. /// -/// This is in contrast to [`FnCtxt`], which is used to type-check bodies of +/// This is in contrast to `FnCtxt`, which is used to type-check bodies of /// functions, closures, and `const`s -- anywhere that expressions and statements show up. /// /// An important thing to note is that `ItemCtxt` does no inference -- it has no [`InferCtxt`] -- /// while `FnCtxt` does do inference. /// -/// [`FnCtxt`]: crate::check::FnCtxt /// [`InferCtxt`]: rustc_infer::infer::InferCtxt /// /// # Trait predicates diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index db8f8de68f2..2e84e1d0160 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -318,10 +318,10 @@ fn const_evaluatable_predicates_of<'tcx>( fn visit_anon_const(&mut self, c: &'tcx hir::AnonConst) { let def_id = self.tcx.hir().local_def_id(c.hir_id); let ct = ty::Const::from_anon_const(self.tcx, def_id); - if let ty::ConstKind::Unevaluated(uv) = ct.kind() { + if let ty::ConstKind::Unevaluated(_) = ct.kind() { let span = self.tcx.hir().span(c.hir_id); self.preds.insert(( - ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(uv)) + ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(ct)) .to_predicate(self.tcx), span, )); diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index 41f73323d9a..9457da32ce6 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -1,24 +1,13 @@ -//! Errors emitted by `hir_analysis`. +//! Errors emitted by `rustc_hir_analysis`. use rustc_errors::IntoDiagnostic; use rustc_errors::{error_code, Applicability, DiagnosticBuilder, ErrorGuaranteed, Handler}; -use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; +use rustc_macros::{Diagnostic, LintDiagnostic}; use rustc_middle::ty::Ty; use rustc_span::{symbol::Ident, Span, Symbol}; #[derive(Diagnostic)] -#[diag(hir_analysis::field_multiply_specified_in_initializer, code = "E0062")] -pub struct FieldMultiplySpecifiedInInitializer { - #[primary_span] - #[label] - pub span: Span, - #[label(hir_analysis::previous_use_label)] - pub prev_span: Span, - pub ident: Ident, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::unrecognized_atomic_operation, code = "E0092")] +#[diag(hir_analysis_unrecognized_atomic_operation, code = "E0092")] pub struct UnrecognizedAtomicOperation<'a> { #[primary_span] #[label] @@ -27,7 +16,7 @@ pub struct UnrecognizedAtomicOperation<'a> { } #[derive(Diagnostic)] -#[diag(hir_analysis::wrong_number_of_generic_arguments_to_intrinsic, code = "E0094")] +#[diag(hir_analysis_wrong_number_of_generic_arguments_to_intrinsic, code = "E0094")] pub struct WrongNumberOfGenericArgumentsToIntrinsic<'a> { #[primary_span] #[label] @@ -38,7 +27,7 @@ pub struct WrongNumberOfGenericArgumentsToIntrinsic<'a> { } #[derive(Diagnostic)] -#[diag(hir_analysis::unrecognized_intrinsic_function, code = "E0093")] +#[diag(hir_analysis_unrecognized_intrinsic_function, code = "E0093")] pub struct UnrecognizedIntrinsicFunction { #[primary_span] #[label] @@ -47,19 +36,19 @@ pub struct UnrecognizedIntrinsicFunction { } #[derive(Diagnostic)] -#[diag(hir_analysis::lifetimes_or_bounds_mismatch_on_trait, code = "E0195")] +#[diag(hir_analysis_lifetimes_or_bounds_mismatch_on_trait, code = "E0195")] pub struct LifetimesOrBoundsMismatchOnTrait { #[primary_span] #[label] pub span: Span, - #[label(hir_analysis::generics_label)] + #[label(generics_label)] pub generics_span: Option<Span>, pub item_kind: &'static str, pub ident: Ident, } #[derive(Diagnostic)] -#[diag(hir_analysis::drop_impl_on_wrong_item, code = "E0120")] +#[diag(hir_analysis_drop_impl_on_wrong_item, code = "E0120")] pub struct DropImplOnWrongItem { #[primary_span] #[label] @@ -67,18 +56,18 @@ pub struct DropImplOnWrongItem { } #[derive(Diagnostic)] -#[diag(hir_analysis::field_already_declared, code = "E0124")] +#[diag(hir_analysis_field_already_declared, code = "E0124")] pub struct FieldAlreadyDeclared { pub field_name: Ident, #[primary_span] #[label] pub span: Span, - #[label(hir_analysis::previous_decl_label)] + #[label(previous_decl_label)] pub prev_span: Span, } #[derive(Diagnostic)] -#[diag(hir_analysis::copy_impl_on_type_with_dtor, code = "E0184")] +#[diag(hir_analysis_copy_impl_on_type_with_dtor, code = "E0184")] pub struct CopyImplOnTypeWithDtor { #[primary_span] #[label] @@ -86,14 +75,14 @@ pub struct CopyImplOnTypeWithDtor { } #[derive(Diagnostic)] -#[diag(hir_analysis::multiple_relaxed_default_bounds, code = "E0203")] +#[diag(hir_analysis_multiple_relaxed_default_bounds, code = "E0203")] pub struct MultipleRelaxedDefaultBounds { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(hir_analysis::copy_impl_on_non_adt, code = "E0206")] +#[diag(hir_analysis_copy_impl_on_non_adt, code = "E0206")] pub struct CopyImplOnNonAdt { #[primary_span] #[label] @@ -101,23 +90,23 @@ pub struct CopyImplOnNonAdt { } #[derive(Diagnostic)] -#[diag(hir_analysis::trait_object_declared_with_no_traits, code = "E0224")] +#[diag(hir_analysis_trait_object_declared_with_no_traits, code = "E0224")] pub struct TraitObjectDeclaredWithNoTraits { #[primary_span] pub span: Span, - #[label(hir_analysis::alias_span)] + #[label(alias_span)] pub trait_alias_span: Option<Span>, } #[derive(Diagnostic)] -#[diag(hir_analysis::ambiguous_lifetime_bound, code = "E0227")] +#[diag(hir_analysis_ambiguous_lifetime_bound, code = "E0227")] pub struct AmbiguousLifetimeBound { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(hir_analysis::assoc_type_binding_not_allowed, code = "E0229")] +#[diag(hir_analysis_assoc_type_binding_not_allowed, code = "E0229")] pub struct AssocTypeBindingNotAllowed { #[primary_span] #[label] @@ -125,14 +114,7 @@ pub struct AssocTypeBindingNotAllowed { } #[derive(Diagnostic)] -#[diag(hir_analysis::functional_record_update_on_non_struct, code = "E0436")] -pub struct FunctionalRecordUpdateOnNonStruct { - #[primary_span] - pub span: Span, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::typeof_reserved_keyword_used, code = "E0516")] +#[diag(hir_analysis_typeof_reserved_keyword_used, code = "E0516")] pub struct TypeofReservedKeywordUsed<'tcx> { pub ty: Ty<'tcx>, #[primary_span] @@ -143,98 +125,19 @@ pub struct TypeofReservedKeywordUsed<'tcx> { } #[derive(Diagnostic)] -#[diag(hir_analysis::return_stmt_outside_of_fn_body, code = "E0572")] -pub struct ReturnStmtOutsideOfFnBody { - #[primary_span] - pub span: Span, - #[label(hir_analysis::encl_body_label)] - pub encl_body_span: Option<Span>, - #[label(hir_analysis::encl_fn_label)] - pub encl_fn_span: Option<Span>, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::yield_expr_outside_of_generator, code = "E0627")] -pub struct YieldExprOutsideOfGenerator { - #[primary_span] - pub span: Span, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::struct_expr_non_exhaustive, code = "E0639")] -pub struct StructExprNonExhaustive { - #[primary_span] - pub span: Span, - pub what: &'static str, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::method_call_on_unknown_type, code = "E0699")] -pub struct MethodCallOnUnknownType { - #[primary_span] - pub span: Span, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::value_of_associated_struct_already_specified, code = "E0719")] +#[diag(hir_analysis_value_of_associated_struct_already_specified, code = "E0719")] pub struct ValueOfAssociatedStructAlreadySpecified { #[primary_span] #[label] pub span: Span, - #[label(hir_analysis::previous_bound_label)] + #[label(previous_bound_label)] pub prev_span: Span, pub item_name: Ident, pub def_path: String, } #[derive(Diagnostic)] -#[diag(hir_analysis::address_of_temporary_taken, code = "E0745")] -pub struct AddressOfTemporaryTaken { - #[primary_span] - #[label] - pub span: Span, -} - -#[derive(Subdiagnostic)] -pub enum AddReturnTypeSuggestion { - #[suggestion( - hir_analysis::add_return_type_add, - code = "-> {found} ", - applicability = "machine-applicable" - )] - Add { - #[primary_span] - span: Span, - found: String, - }, - #[suggestion( - hir_analysis::add_return_type_missing_here, - code = "-> _ ", - applicability = "has-placeholders" - )] - MissingHere { - #[primary_span] - span: Span, - }, -} - -#[derive(Subdiagnostic)] -pub enum ExpectedReturnTypeLabel<'tcx> { - #[label(hir_analysis::expected_default_return_type)] - Unit { - #[primary_span] - span: Span, - }, - #[label(hir_analysis::expected_return_type)] - Other { - #[primary_span] - span: Span, - expected: Ty<'tcx>, - }, -} - -#[derive(Diagnostic)] -#[diag(hir_analysis::unconstrained_opaque_type)] +#[diag(hir_analysis_unconstrained_opaque_type)] #[note] pub struct UnconstrainedOpaqueType { #[primary_span] @@ -255,7 +158,7 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> { let mut err = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::hir_analysis::missing_type_params, + rustc_errors::fluent::hir_analysis_missing_type_params, error_code!(E0393), ); err.set_arg("parameterCount", self.missing_type_params.len()); @@ -268,7 +171,7 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { .join(", "), ); - err.span_label(self.def_span, rustc_errors::fluent::hir_analysis::label); + err.span_label(self.def_span, rustc_errors::fluent::label); let mut suggested = false; // Don't suggest setting the type params if there are some already: the order is @@ -283,7 +186,7 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { // least we can clue them to the correct syntax `Iterator<Type>`. err.span_suggestion( self.span, - rustc_errors::fluent::hir_analysis::suggestion, + rustc_errors::fluent::suggestion, format!( "{}<{}>", snippet, @@ -299,16 +202,16 @@ impl<'a> IntoDiagnostic<'a> for MissingTypeParams { } } if !suggested { - err.span_label(self.span, rustc_errors::fluent::hir_analysis::no_suggestion_label); + err.span_label(self.span, rustc_errors::fluent::no_suggestion_label); } - err.note(rustc_errors::fluent::hir_analysis::note); + err.note(rustc_errors::fluent::note); err } } #[derive(Diagnostic)] -#[diag(hir_analysis::manual_implementation, code = "E0183")] +#[diag(hir_analysis_manual_implementation, code = "E0183")] #[help] pub struct ManualImplementation { #[primary_span] @@ -318,21 +221,21 @@ pub struct ManualImplementation { } #[derive(Diagnostic)] -#[diag(hir_analysis::substs_on_overridden_impl)] +#[diag(hir_analysis_substs_on_overridden_impl)] pub struct SubstsOnOverriddenImpl { #[primary_span] pub span: Span, } #[derive(LintDiagnostic)] -#[diag(hir_analysis::unused_extern_crate)] +#[diag(hir_analysis_unused_extern_crate)] pub struct UnusedExternCrate { #[suggestion(applicability = "machine-applicable", code = "")] pub span: Span, } #[derive(LintDiagnostic)] -#[diag(hir_analysis::extern_crate_not_idiomatic)] +#[diag(hir_analysis_extern_crate_not_idiomatic)] pub struct ExternCrateNotIdiomatic { #[suggestion_short(applicability = "machine-applicable", code = "{suggestion_code}")] pub span: Span, @@ -341,34 +244,8 @@ pub struct ExternCrateNotIdiomatic { } #[derive(Diagnostic)] -#[diag(hir_analysis::expected_used_symbol)] +#[diag(hir_analysis_expected_used_symbol)] pub struct ExpectedUsedSymbol { #[primary_span] pub span: Span, } - -#[derive(Diagnostic)] -#[diag(hir_analysis::missing_parentheses_in_range, code = "E0689")] -pub struct MissingParentheseInRange { - #[primary_span] - #[label(hir_analysis::missing_parentheses_in_range)] - pub span: Span, - pub ty_str: String, - pub method_name: String, - - #[subdiagnostic] - pub add_missing_parentheses: Option<AddMissingParenthesesInRange>, -} - -#[derive(Subdiagnostic)] -#[multipart_suggestion_verbose( - hir_analysis::add_missing_parentheses_in_range, - applicability = "maybe-incorrect" -)] -pub struct AddMissingParenthesesInRange { - pub func_name: String, - #[suggestion_part(code = "(")] - pub left: Span, - #[suggestion_part(code = ")")] - pub right: Span, -} diff --git a/compiler/rustc_hir_analysis/src/lib.rs b/compiler/rustc_hir_analysis/src/lib.rs index b7d9fc8a2fe..dba505149de 100644 --- a/compiler/rustc_hir_analysis/src/lib.rs +++ b/compiler/rustc_hir_analysis/src/lib.rs @@ -82,20 +82,19 @@ extern crate rustc_middle; // These are used by Clippy. pub mod check; -pub mod expr_use_visitor; -mod astconv; +pub mod astconv; mod bounds; mod check_unused; mod coherence; -mod collect; +// FIXME: This module shouldn't be public. +pub mod collect; mod constrained_generic_params; mod errors; pub mod hir_wf_check; mod impl_wf_check; -mod mem_categorization; mod outlives; -mod structured_errors; +pub mod structured_errors; mod variance; use rustc_errors::{struct_span_err, ErrorGuaranteed}; diff --git a/compiler/rustc_hir_typeck/Cargo.toml b/compiler/rustc_hir_typeck/Cargo.toml new file mode 100644 index 00000000000..093f9bb8448 --- /dev/null +++ b/compiler/rustc_hir_typeck/Cargo.toml @@ -0,0 +1,28 @@ +[package] +name = "rustc_hir_typeck" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +smallvec = { version = "1.8.1", features = ["union", "may_dangle"] } +tracing = "0.1" +rustc_ast = { path = "../rustc_ast" } +rustc_data_structures = { path = "../rustc_data_structures" } +rustc_errors = { path = "../rustc_errors" } +rustc_graphviz = { path = "../rustc_graphviz" } +rustc_index = { path = "../rustc_index" } +rustc_infer = { path = "../rustc_infer" } +rustc_hir = { path = "../rustc_hir" } +rustc_hir_analysis = { path = "../rustc_hir_analysis" } +rustc_hir_pretty = { path = "../rustc_hir_pretty" } +rustc_lint = { path = "../rustc_lint" } +rustc_middle = { path = "../rustc_middle" } +rustc_macros = { path = "../rustc_macros" } +rustc_serialize = { path = "../rustc_serialize" } +rustc_session = { path = "../rustc_session" } +rustc_span = { path = "../rustc_span" } +rustc_target = { path = "../rustc_target" } +rustc_trait_selection = { path = "../rustc_trait_selection" } +rustc_type_ir = { path = "../rustc_type_ir" } diff --git a/compiler/rustc_hir_analysis/src/check/_match.rs b/compiler/rustc_hir_typeck/src/_match.rs index 143508b785f..2b15d4dcd08 100644 --- a/compiler/rustc_hir_analysis/src/check/_match.rs +++ b/compiler/rustc_hir_typeck/src/_match.rs @@ -1,5 +1,5 @@ -use crate::check::coercion::{AsCoercionSite, CoerceMany}; -use crate::check::{Diverges, Expectation, FnCtxt, Needs}; +use crate::coercion::{AsCoercionSite, CoerceMany}; +use crate::{Diverges, Expectation, FnCtxt, Needs}; use rustc_errors::{Applicability, MultiSpan}; use rustc_hir::{self as hir, ExprKind}; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; @@ -514,8 +514,11 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } for ty in [first_ty, second_ty] { - for pred in self.tcx.bound_explicit_item_bounds(rpit_def_id).transpose_iter() { - let pred = pred.map_bound(|(pred, _)| *pred).subst(self.tcx, substs); + for (pred, _) in self + .tcx + .bound_explicit_item_bounds(rpit_def_id) + .subst_iter_copied(self.tcx, substs) + { let pred = match pred.kind().skip_binder() { ty::PredicateKind::Trait(mut trait_pred) => { assert_eq!(trait_pred.trait_ref.self_ty(), opaque_ty); diff --git a/compiler/rustc_hir_analysis/src/check/autoderef.rs b/compiler/rustc_hir_typeck/src/autoderef.rs index 59c366ad7d7..59c366ad7d7 100644 --- a/compiler/rustc_hir_analysis/src/check/autoderef.rs +++ b/compiler/rustc_hir_typeck/src/autoderef.rs diff --git a/compiler/rustc_hir_analysis/src/check/callee.rs b/compiler/rustc_hir_typeck/src/callee.rs index 088de1979ba..1b33f2f02b8 100644 --- a/compiler/rustc_hir_analysis/src/check/callee.rs +++ b/compiler/rustc_hir_typeck/src/callee.rs @@ -1,8 +1,8 @@ use super::method::probe::{IsSuggestion, Mode, ProbeScope}; use super::method::MethodCallee; use super::{Expectation, FnCtxt, TupleArgumentsFlag}; -use crate::type_error_struct; +use crate::type_error_struct; use rustc_ast::util::parser::PREC_POSTFIX; use rustc_errors::{struct_span_err, Applicability, Diagnostic, StashKey}; use rustc_hir as hir; diff --git a/compiler/rustc_hir_analysis/src/check/cast.rs b/compiler/rustc_hir_typeck/src/cast.rs index 51abdd2e059..0e7576ecf8b 100644 --- a/compiler/rustc_hir_analysis/src/check/cast.rs +++ b/compiler/rustc_hir_typeck/src/cast.rs @@ -30,9 +30,7 @@ use super::FnCtxt; -use crate::hir::def_id::DefId; use crate::type_error_struct; -use hir::def_id::LOCAL_CRATE; use rustc_errors::{struct_span_err, Applicability, DelayDm, DiagnosticBuilder, ErrorGuaranteed}; use rustc_hir as hir; use rustc_middle::mir::Mutability; @@ -43,6 +41,7 @@ use rustc_middle::ty::subst::SubstsRef; use rustc_middle::ty::{self, Ty, TypeAndMut, TypeVisitable, VariantDef}; use rustc_session::lint; use rustc_session::Session; +use rustc_span::def_id::{DefId, LOCAL_CRATE}; use rustc_span::symbol::sym; use rustc_span::Span; use rustc_trait_selection::infer::InferCtxtExt; @@ -527,7 +526,9 @@ impl<'a, 'tcx> CastCheck<'tcx> { err.emit(); } CastError::SizedUnsizedCast => { - use crate::structured_errors::{SizedUnsizedCast, StructuredDiagnostic}; + use rustc_hir_analysis::structured_errors::{ + SizedUnsizedCast, StructuredDiagnostic, + }; SizedUnsizedCast { sess: &fcx.tcx.sess, diff --git a/compiler/rustc_hir_typeck/src/check.rs b/compiler/rustc_hir_typeck/src/check.rs new file mode 100644 index 00000000000..7f76364e15a --- /dev/null +++ b/compiler/rustc_hir_typeck/src/check.rs @@ -0,0 +1,324 @@ +use crate::coercion::CoerceMany; +use crate::gather_locals::GatherLocalsVisitor; +use crate::{FnCtxt, Inherited}; +use crate::{GeneratorTypes, UnsafetyState}; +use rustc_hir as hir; +use rustc_hir::def::DefKind; +use rustc_hir::intravisit::Visitor; +use rustc_hir::lang_items::LangItem; +use rustc_hir::{ImplicitSelfKind, ItemKind, Node}; +use rustc_hir_analysis::check::fn_maybe_err; +use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; +use rustc_infer::infer::RegionVariableOrigin; +use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_span::def_id::LocalDefId; +use rustc_target::spec::abi::Abi; +use rustc_trait_selection::traits; +use std::cell::RefCell; + +/// Helper used for fns and closures. Does the grungy work of checking a function +/// body and returns the function context used for that purpose, since in the case of a fn item +/// there is still a bit more to do. +/// +/// * ... +/// * inherited: other fields inherited from the enclosing fn (if any) +#[instrument(skip(inherited, body), level = "debug")] +pub(super) fn check_fn<'a, 'tcx>( + inherited: &'a Inherited<'tcx>, + param_env: ty::ParamEnv<'tcx>, + fn_sig: ty::FnSig<'tcx>, + decl: &'tcx hir::FnDecl<'tcx>, + fn_id: hir::HirId, + body: &'tcx hir::Body<'tcx>, + can_be_generator: Option<hir::Movability>, + return_type_pre_known: bool, +) -> (FnCtxt<'a, 'tcx>, Option<GeneratorTypes<'tcx>>) { + // Create the function context. This is either derived from scratch or, + // in the case of closures, based on the outer context. + let mut fcx = FnCtxt::new(inherited, param_env, body.value.hir_id); + fcx.ps.set(UnsafetyState::function(fn_sig.unsafety, fn_id)); + fcx.return_type_pre_known = return_type_pre_known; + + let tcx = fcx.tcx; + let hir = tcx.hir(); + + let declared_ret_ty = fn_sig.output(); + + let ret_ty = + fcx.register_infer_ok_obligations(fcx.infcx.replace_opaque_types_with_inference_vars( + declared_ret_ty, + body.value.hir_id, + decl.output.span(), + param_env, + )); + // If we replaced declared_ret_ty with infer vars, then we must be inferring + // an opaque type, so set a flag so we can improve diagnostics. + fcx.return_type_has_opaque = ret_ty != declared_ret_ty; + + fcx.ret_coercion = Some(RefCell::new(CoerceMany::new(ret_ty))); + + let span = body.value.span; + + fn_maybe_err(tcx, span, fn_sig.abi); + + if fn_sig.abi == Abi::RustCall { + let expected_args = if let ImplicitSelfKind::None = decl.implicit_self { 1 } else { 2 }; + + let err = || { + let item = match tcx.hir().get(fn_id) { + Node::Item(hir::Item { kind: ItemKind::Fn(header, ..), .. }) => Some(header), + Node::ImplItem(hir::ImplItem { + kind: hir::ImplItemKind::Fn(header, ..), .. + }) => Some(header), + Node::TraitItem(hir::TraitItem { + kind: hir::TraitItemKind::Fn(header, ..), + .. + }) => Some(header), + // Closures are RustCall, but they tuple their arguments, so shouldn't be checked + Node::Expr(hir::Expr { kind: hir::ExprKind::Closure { .. }, .. }) => None, + node => bug!("Item being checked wasn't a function/closure: {:?}", node), + }; + + if let Some(header) = item { + tcx.sess.span_err(header.span, "functions with the \"rust-call\" ABI must take a single non-self argument that is a tuple"); + } + }; + + if fn_sig.inputs().len() != expected_args { + err() + } else { + // FIXME(CraftSpider) Add a check on parameter expansion, so we don't just make the ICE happen later on + // This will probably require wide-scale changes to support a TupleKind obligation + // We can't resolve this without knowing the type of the param + if !matches!(fn_sig.inputs()[expected_args - 1].kind(), ty::Tuple(_) | ty::Param(_)) { + err() + } + } + } + + if body.generator_kind.is_some() && can_be_generator.is_some() { + let yield_ty = fcx + .next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::TypeInference, span }); + fcx.require_type_is_sized(yield_ty, span, traits::SizedYieldType); + + // Resume type defaults to `()` if the generator has no argument. + let resume_ty = fn_sig.inputs().get(0).copied().unwrap_or_else(|| tcx.mk_unit()); + + fcx.resume_yield_tys = Some((resume_ty, yield_ty)); + } + + GatherLocalsVisitor::new(&fcx).visit_body(body); + + // C-variadic fns also have a `VaList` input that's not listed in `fn_sig` + // (as it's created inside the body itself, not passed in from outside). + let maybe_va_list = if fn_sig.c_variadic { + let span = body.params.last().unwrap().span; + let va_list_did = tcx.require_lang_item(LangItem::VaList, Some(span)); + let region = fcx.next_region_var(RegionVariableOrigin::MiscVariable(span)); + + Some(tcx.bound_type_of(va_list_did).subst(tcx, &[region.into()])) + } else { + None + }; + + // Add formal parameters. + let inputs_hir = hir.fn_decl_by_hir_id(fn_id).map(|decl| &decl.inputs); + let inputs_fn = fn_sig.inputs().iter().copied(); + for (idx, (param_ty, param)) in inputs_fn.chain(maybe_va_list).zip(body.params).enumerate() { + // Check the pattern. + let ty_span = try { inputs_hir?.get(idx)?.span }; + fcx.check_pat_top(¶m.pat, param_ty, ty_span, false); + + // Check that argument is Sized. + // The check for a non-trivial pattern is a hack to avoid duplicate warnings + // for simple cases like `fn foo(x: Trait)`, + // where we would error once on the parameter as a whole, and once on the binding `x`. + if param.pat.simple_ident().is_none() && !tcx.features().unsized_fn_params { + fcx.require_type_is_sized(param_ty, param.pat.span, traits::SizedArgumentType(ty_span)); + } + + fcx.write_ty(param.hir_id, param_ty); + } + + inherited.typeck_results.borrow_mut().liberated_fn_sigs_mut().insert(fn_id, fn_sig); + + fcx.in_tail_expr = true; + if let ty::Dynamic(..) = declared_ret_ty.kind() { + // FIXME: We need to verify that the return type is `Sized` after the return expression has + // been evaluated so that we have types available for all the nodes being returned, but that + // requires the coerced evaluated type to be stored. Moving `check_return_expr` before this + // causes unsized errors caused by the `declared_ret_ty` to point at the return expression, + // while keeping the current ordering we will ignore the tail expression's type because we + // don't know it yet. We can't do `check_expr_kind` while keeping `check_return_expr` + // because we will trigger "unreachable expression" lints unconditionally. + // Because of all of this, we perform a crude check to know whether the simplest `!Sized` + // case that a newcomer might make, returning a bare trait, and in that case we populate + // the tail expression's type so that the suggestion will be correct, but ignore all other + // possible cases. + fcx.check_expr(&body.value); + fcx.require_type_is_sized(declared_ret_ty, decl.output.span(), traits::SizedReturnType); + } else { + fcx.require_type_is_sized(declared_ret_ty, decl.output.span(), traits::SizedReturnType); + fcx.check_return_expr(&body.value, false); + } + fcx.in_tail_expr = false; + + // We insert the deferred_generator_interiors entry after visiting the body. + // This ensures that all nested generators appear before the entry of this generator. + // resolve_generator_interiors relies on this property. + let gen_ty = if let (Some(_), Some(gen_kind)) = (can_be_generator, body.generator_kind) { + let interior = fcx + .next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::MiscVariable, span }); + fcx.deferred_generator_interiors.borrow_mut().push((body.id(), interior, gen_kind)); + + let (resume_ty, yield_ty) = fcx.resume_yield_tys.unwrap(); + Some(GeneratorTypes { + resume_ty, + yield_ty, + interior, + movability: can_be_generator.unwrap(), + }) + } else { + None + }; + + // Finalize the return check by taking the LUB of the return types + // we saw and assigning it to the expected return type. This isn't + // really expected to fail, since the coercions would have failed + // earlier when trying to find a LUB. + let coercion = fcx.ret_coercion.take().unwrap().into_inner(); + let mut actual_return_ty = coercion.complete(&fcx); + debug!("actual_return_ty = {:?}", actual_return_ty); + if let ty::Dynamic(..) = declared_ret_ty.kind() { + // We have special-cased the case where the function is declared + // `-> dyn Foo` and we don't actually relate it to the + // `fcx.ret_coercion`, so just substitute a type variable. + actual_return_ty = + fcx.next_ty_var(TypeVariableOrigin { kind: TypeVariableOriginKind::DynReturnFn, span }); + debug!("actual_return_ty replaced with {:?}", actual_return_ty); + } + + // HACK(oli-obk, compiler-errors): We should be comparing this against + // `declared_ret_ty`, but then anything uninferred would be inferred to + // the opaque type itself. That again would cause writeback to assume + // we have a recursive call site and do the sadly stabilized fallback to `()`. + fcx.demand_suptype(span, ret_ty, actual_return_ty); + + // Check that a function marked as `#[panic_handler]` has signature `fn(&PanicInfo) -> !` + if let Some(panic_impl_did) = tcx.lang_items().panic_impl() + && panic_impl_did == hir.local_def_id(fn_id).to_def_id() + { + check_panic_info_fn(tcx, panic_impl_did.expect_local(), fn_sig, decl, declared_ret_ty); + } + + // Check that a function marked as `#[alloc_error_handler]` has signature `fn(Layout) -> !` + if let Some(alloc_error_handler_did) = tcx.lang_items().oom() + && alloc_error_handler_did == hir.local_def_id(fn_id).to_def_id() + { + check_alloc_error_fn(tcx, alloc_error_handler_did.expect_local(), fn_sig, decl, declared_ret_ty); + } + + (fcx, gen_ty) +} + +fn check_panic_info_fn( + tcx: TyCtxt<'_>, + fn_id: LocalDefId, + fn_sig: ty::FnSig<'_>, + decl: &hir::FnDecl<'_>, + declared_ret_ty: Ty<'_>, +) { + let Some(panic_info_did) = tcx.lang_items().panic_info() else { + tcx.sess.err("language item required, but not found: `panic_info`"); + return; + }; + + if *declared_ret_ty.kind() != ty::Never { + tcx.sess.span_err(decl.output.span(), "return type should be `!`"); + } + + let inputs = fn_sig.inputs(); + if inputs.len() != 1 { + tcx.sess.span_err(tcx.def_span(fn_id), "function should have one argument"); + return; + } + + let arg_is_panic_info = match *inputs[0].kind() { + ty::Ref(region, ty, mutbl) => match *ty.kind() { + ty::Adt(ref adt, _) => { + adt.did() == panic_info_did && mutbl == hir::Mutability::Not && !region.is_static() + } + _ => false, + }, + _ => false, + }; + + if !arg_is_panic_info { + tcx.sess.span_err(decl.inputs[0].span, "argument should be `&PanicInfo`"); + } + + let DefKind::Fn = tcx.def_kind(fn_id) else { + let span = tcx.def_span(fn_id); + tcx.sess.span_err(span, "should be a function"); + return; + }; + + let generic_counts = tcx.generics_of(fn_id).own_counts(); + if generic_counts.types != 0 { + let span = tcx.def_span(fn_id); + tcx.sess.span_err(span, "should have no type parameters"); + } + if generic_counts.consts != 0 { + let span = tcx.def_span(fn_id); + tcx.sess.span_err(span, "should have no const parameters"); + } +} + +fn check_alloc_error_fn( + tcx: TyCtxt<'_>, + fn_id: LocalDefId, + fn_sig: ty::FnSig<'_>, + decl: &hir::FnDecl<'_>, + declared_ret_ty: Ty<'_>, +) { + let Some(alloc_layout_did) = tcx.lang_items().alloc_layout() else { + tcx.sess.err("language item required, but not found: `alloc_layout`"); + return; + }; + + if *declared_ret_ty.kind() != ty::Never { + tcx.sess.span_err(decl.output.span(), "return type should be `!`"); + } + + let inputs = fn_sig.inputs(); + if inputs.len() != 1 { + tcx.sess.span_err(tcx.def_span(fn_id), "function should have one argument"); + return; + } + + let arg_is_alloc_layout = match inputs[0].kind() { + ty::Adt(ref adt, _) => adt.did() == alloc_layout_did, + _ => false, + }; + + if !arg_is_alloc_layout { + tcx.sess.span_err(decl.inputs[0].span, "argument should be `Layout`"); + } + + let DefKind::Fn = tcx.def_kind(fn_id) else { + let span = tcx.def_span(fn_id); + tcx.sess.span_err(span, "`#[alloc_error_handler]` should be a function"); + return; + }; + + let generic_counts = tcx.generics_of(fn_id).own_counts(); + if generic_counts.types != 0 { + let span = tcx.def_span(fn_id); + tcx.sess.span_err(span, "`#[alloc_error_handler]` function should have no type parameters"); + } + if generic_counts.consts != 0 { + let span = tcx.def_span(fn_id); + tcx.sess + .span_err(span, "`#[alloc_error_handler]` function should have no const parameters"); + } +} diff --git a/compiler/rustc_hir_analysis/src/check/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs index 84ea06a460b..a5a45f75e0e 100644 --- a/compiler/rustc_hir_analysis/src/check/closure.rs +++ b/compiler/rustc_hir_typeck/src/closure.rs @@ -2,11 +2,11 @@ use super::{check_fn, Expectation, FnCtxt, GeneratorTypes}; -use crate::astconv::AstConv; use hir::def::DefKind; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; +use rustc_hir_analysis::astconv::AstConv; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::LateBoundRegionConversionTime; use rustc_infer::infer::{InferOk, InferResult}; @@ -176,24 +176,23 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { match *expected_ty.kind() { ty::Opaque(def_id, substs) => { let bounds = self.tcx.bound_explicit_item_bounds(def_id); - let sig = bounds - .transpose_iter() - .map(|e| e.map_bound(|e| *e).transpose_tuple2()) - .find_map(|(pred, span)| match pred.0.kind().skip_binder() { + let sig = + bounds.subst_iter_copied(self.tcx, substs).find_map(|(pred, span)| match pred + .kind() + .skip_binder() + { ty::PredicateKind::Projection(proj_predicate) => self .deduce_sig_from_projection( - Some(span.0), - pred.0 - .kind() - .rebind(pred.rebind(proj_predicate).subst(self.tcx, substs)), + Some(span), + pred.kind().rebind(proj_predicate), ), _ => None, }); let kind = bounds - .transpose_iter() - .map(|e| e.map_bound(|e| *e).transpose_tuple2()) - .filter_map(|(pred, _)| match pred.0.kind().skip_binder() { + .0 + .iter() + .filter_map(|(pred, _)| match pred.kind().skip_binder() { ty::PredicateKind::Trait(tp) => { self.tcx.fn_trait_kind_from_lang_item(tp.def_id()) } @@ -697,18 +696,16 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty::Opaque(def_id, substs) => self .tcx .bound_explicit_item_bounds(def_id) - .transpose_iter() - .map(|e| e.map_bound(|e| *e).transpose_tuple2()) - .find_map(|(p, s)| get_future_output(p.subst(self.tcx, substs), s.0))?, + .subst_iter_copied(self.tcx, substs) + .find_map(|(p, s)| get_future_output(p, s))?, ty::Error(_) => return None, ty::Projection(proj) if self.tcx.def_kind(proj.item_def_id) == DefKind::ImplTraitPlaceholder => { self.tcx .bound_explicit_item_bounds(proj.item_def_id) - .transpose_iter() - .map(|e| e.map_bound(|e| *e).transpose_tuple2()) - .find_map(|(p, s)| get_future_output(p.subst(self.tcx, proj.substs), s.0))? + .subst_iter_copied(self.tcx, proj.substs) + .find_map(|(p, s)| get_future_output(p, s))? } _ => span_bug!( self.tcx.def_span(expr_def_id), diff --git a/compiler/rustc_hir_analysis/src/check/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index faa6c6d9356..86597a703e8 100644 --- a/compiler/rustc_hir_analysis/src/check/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -35,8 +35,7 @@ //! // and are then unable to coerce `&7i32` to `&mut i32`. //! ``` -use crate::astconv::AstConv; -use crate::check::FnCtxt; +use crate::FnCtxt; use rustc_errors::{ struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, MultiSpan, }; @@ -44,6 +43,7 @@ use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::Expr; +use rustc_hir_analysis::astconv::AstConv; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::{Coercion, InferOk, InferResult}; use rustc_infer::traits::{Obligation, TraitEngine, TraitEngineExt}; diff --git a/compiler/rustc_hir_analysis/src/check/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index a5222c92331..2974ac97f23 100644 --- a/compiler/rustc_hir_analysis/src/check/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -1,21 +1,20 @@ -use crate::check::FnCtxt; -use rustc_infer::infer::InferOk; -use rustc_middle::middle::stability::EvalResult; -use rustc_trait_selection::infer::InferCtxtExt as _; -use rustc_trait_selection::traits::ObligationCause; - +use crate::FnCtxt; use rustc_ast::util::parser::PREC_POSTFIX; use rustc_errors::{Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed}; use rustc_hir as hir; use rustc_hir::lang_items::LangItem; use rustc_hir::{is_range_literal, Node}; +use rustc_infer::infer::InferOk; use rustc_middle::lint::in_external_macro; +use rustc_middle::middle::stability::EvalResult; use rustc_middle::ty::adjustment::AllowTwoPhase; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::{self, Article, AssocItem, Ty, TypeAndMut}; use rustc_span::symbol::{sym, Symbol}; use rustc_span::{BytePos, Span}; +use rustc_trait_selection::infer::InferCtxtExt as _; +use rustc_trait_selection::traits::ObligationCause; use super::method::probe; diff --git a/compiler/rustc_hir_analysis/src/check/diverges.rs b/compiler/rustc_hir_typeck/src/diverges.rs index 963a93a95c2..963a93a95c2 100644 --- a/compiler/rustc_hir_analysis/src/check/diverges.rs +++ b/compiler/rustc_hir_typeck/src/diverges.rs diff --git a/compiler/rustc_hir_typeck/src/errors.rs b/compiler/rustc_hir_typeck/src/errors.rs new file mode 100644 index 00000000000..175037f9b3a --- /dev/null +++ b/compiler/rustc_hir_typeck/src/errors.rs @@ -0,0 +1,126 @@ +//! Errors emitted by `rustc_hir_analysis`. +use rustc_macros::{Diagnostic, Subdiagnostic}; +use rustc_middle::ty::Ty; +use rustc_span::{symbol::Ident, Span}; + +#[derive(Diagnostic)] +#[diag(hir_analysis_field_multiply_specified_in_initializer, code = "E0062")] +pub struct FieldMultiplySpecifiedInInitializer { + #[primary_span] + #[label] + pub span: Span, + #[label(previous_use_label)] + pub prev_span: Span, + pub ident: Ident, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_return_stmt_outside_of_fn_body, code = "E0572")] +pub struct ReturnStmtOutsideOfFnBody { + #[primary_span] + pub span: Span, + #[label(encl_body_label)] + pub encl_body_span: Option<Span>, + #[label(encl_fn_label)] + pub encl_fn_span: Option<Span>, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_yield_expr_outside_of_generator, code = "E0627")] +pub struct YieldExprOutsideOfGenerator { + #[primary_span] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_struct_expr_non_exhaustive, code = "E0639")] +pub struct StructExprNonExhaustive { + #[primary_span] + pub span: Span, + pub what: &'static str, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_method_call_on_unknown_type, code = "E0699")] +pub struct MethodCallOnUnknownType { + #[primary_span] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_functional_record_update_on_non_struct, code = "E0436")] +pub struct FunctionalRecordUpdateOnNonStruct { + #[primary_span] + pub span: Span, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_address_of_temporary_taken, code = "E0745")] +pub struct AddressOfTemporaryTaken { + #[primary_span] + #[label] + pub span: Span, +} + +#[derive(Subdiagnostic)] +pub enum AddReturnTypeSuggestion { + #[suggestion( + hir_analysis_add_return_type_add, + code = "-> {found} ", + applicability = "machine-applicable" + )] + Add { + #[primary_span] + span: Span, + found: String, + }, + #[suggestion( + hir_analysis_add_return_type_missing_here, + code = "-> _ ", + applicability = "has-placeholders" + )] + MissingHere { + #[primary_span] + span: Span, + }, +} + +#[derive(Subdiagnostic)] +pub enum ExpectedReturnTypeLabel<'tcx> { + #[label(hir_analysis_expected_default_return_type)] + Unit { + #[primary_span] + span: Span, + }, + #[label(hir_analysis_expected_return_type)] + Other { + #[primary_span] + span: Span, + expected: Ty<'tcx>, + }, +} + +#[derive(Diagnostic)] +#[diag(hir_analysis_missing_parentheses_in_range, code = "E0689")] +pub struct MissingParentheseInRange { + #[primary_span] + #[label(hir_analysis_missing_parentheses_in_range)] + pub span: Span, + pub ty_str: String, + pub method_name: String, + #[subdiagnostic] + pub add_missing_parentheses: Option<AddMissingParenthesesInRange>, +} + +#[derive(Subdiagnostic)] +#[multipart_suggestion_verbose( + hir_analysis_add_missing_parentheses_in_range, + applicability = "maybe-incorrect" +)] +pub struct AddMissingParenthesesInRange { + pub func_name: String, + #[suggestion_part(code = "(")] + pub left: Span, + #[suggestion_part(code = ")")] + pub right: Span, +} diff --git a/compiler/rustc_hir_analysis/src/check/expectation.rs b/compiler/rustc_hir_typeck/src/expectation.rs index e9e81034477..e9e81034477 100644 --- a/compiler/rustc_hir_analysis/src/check/expectation.rs +++ b/compiler/rustc_hir_typeck/src/expectation.rs diff --git a/compiler/rustc_hir_analysis/src/check/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index ccdfd3a056b..41b00fda03e 100644 --- a/compiler/rustc_hir_analysis/src/check/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -2,23 +2,22 @@ //! //! See `mod.rs` for more context on type checking in general. -use crate::astconv::AstConv as _; -use crate::check::cast; -use crate::check::coercion::CoerceMany; -use crate::check::fatally_break_rust; -use crate::check::method::SelfSource; -use crate::check::Expectation::{self, ExpectCastableToType, ExpectHasType, NoExpectation}; -use crate::check::{ - report_unexpected_variant_res, BreakableCtxt, Diverges, DynamicCoerceMany, FnCtxt, Needs, - TupleArgumentsFlag::DontTupleArguments, -}; +use crate::cast; +use crate::coercion::CoerceMany; +use crate::coercion::DynamicCoerceMany; +use crate::errors::{AddressOfTemporaryTaken, ReturnStmtOutsideOfFnBody, StructExprNonExhaustive}; use crate::errors::{ FieldMultiplySpecifiedInInitializer, FunctionalRecordUpdateOnNonStruct, YieldExprOutsideOfGenerator, }; +use crate::fatally_break_rust; +use crate::method::SelfSource; use crate::type_error_struct; - -use crate::errors::{AddressOfTemporaryTaken, ReturnStmtOutsideOfFnBody, StructExprNonExhaustive}; +use crate::Expectation::{self, ExpectCastableToType, ExpectHasType, NoExpectation}; +use crate::{ + report_unexpected_variant_res, BreakableCtxt, Diverges, FnCtxt, Needs, + TupleArgumentsFlag::DontTupleArguments, +}; use rustc_ast as ast; use rustc_data_structures::fx::FxHashMap; use rustc_data_structures::stack::ensure_sufficient_stack; @@ -32,6 +31,8 @@ use rustc_hir::def_id::DefId; use rustc_hir::intravisit::Visitor; use rustc_hir::lang_items::LangItem; use rustc_hir::{Closure, ExprKind, HirId, QPath}; +use rustc_hir_analysis::astconv::AstConv as _; +use rustc_hir_analysis::check::ty_kind_suggestion; use rustc_infer::infer; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_infer::infer::InferOk; @@ -1362,7 +1363,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Create a new function context. let fcx = FnCtxt::new(self, self.param_env.with_const(), body.value.hir_id); - crate::check::GatherLocalsVisitor::new(&fcx).visit_body(body); + crate::GatherLocalsVisitor::new(&fcx).visit_body(body); let ty = fcx.check_expr_with_expectation(&body.value, expected); fcx.require_type_is_sized(ty, body.value.span, traits::ConstSized); @@ -2885,14 +2886,3 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } } - -pub(super) fn ty_kind_suggestion(ty: Ty<'_>) -> Option<&'static str> { - Some(match ty.kind() { - ty::Bool => "true", - ty::Char => "'a'", - ty::Int(_) | ty::Uint(_) => "42", - ty::Float(_) => "3.14159", - ty::Error(_) | ty::Never => return None, - _ => "value", - }) -} diff --git a/compiler/rustc_hir_analysis/src/expr_use_visitor.rs b/compiler/rustc_hir_typeck/src/expr_use_visitor.rs index 039c653e5bc..fce2a5888ba 100644 --- a/compiler/rustc_hir_analysis/src/expr_use_visitor.rs +++ b/compiler/rustc_hir_typeck/src/expr_use_visitor.rs @@ -89,15 +89,6 @@ enum ConsumeMode { Move, } -#[derive(Copy, Clone, PartialEq, Debug)] -pub enum MutateMode { - Init, - /// Example: `x = y` - JustWrite, - /// Example: `x += y` - WriteAndRead, -} - /// The ExprUseVisitor type /// /// This is the code that actually walks the tree. diff --git a/compiler/rustc_hir_analysis/src/check/fallback.rs b/compiler/rustc_hir_typeck/src/fallback.rs index 474d5651bbe..747ecb036b2 100644 --- a/compiler/rustc_hir_analysis/src/check/fallback.rs +++ b/compiler/rustc_hir_typeck/src/fallback.rs @@ -1,4 +1,4 @@ -use crate::check::FnCtxt; +use crate::FnCtxt; use rustc_data_structures::{ fx::{FxHashMap, FxHashSet}, graph::WithSuccessors, diff --git a/compiler/rustc_hir_analysis/src/check/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index d140c3a0989..6a1cffe3e60 100644 --- a/compiler/rustc_hir_analysis/src/check/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1,12 +1,7 @@ -use crate::astconv::{ - AstConv, CreateSubstsForGenericArgsCtxt, ExplicitLateBound, GenericArgCountMismatch, - GenericArgCountResult, IsMethodCall, PathSeg, -}; -use crate::check::callee::{self, DeferredCallResolution}; -use crate::check::method::{self, MethodCallee, SelfSource}; -use crate::check::rvalue_scopes; -use crate::check::{BreakableCtxt, Diverges, Expectation, FnCtxt, LocalTy}; - +use crate::callee::{self, DeferredCallResolution}; +use crate::method::{self, MethodCallee, SelfSource}; +use crate::rvalue_scopes; +use crate::{BreakableCtxt, Diverges, Expectation, FnCtxt, LocalTy}; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{Applicability, Diagnostic, ErrorGuaranteed, MultiSpan}; @@ -15,6 +10,10 @@ use rustc_hir::def::{CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::lang_items::LangItem; use rustc_hir::{ExprKind, GenericArg, Node, QPath}; +use rustc_hir_analysis::astconv::{ + AstConv, CreateSubstsForGenericArgsCtxt, ExplicitLateBound, GenericArgCountMismatch, + GenericArgCountResult, IsMethodCall, PathSeg, +}; use rustc_infer::infer::canonical::{Canonical, OriginalQueryValues, QueryResponse}; use rustc_infer::infer::error_reporting::TypeAnnotationNeeded::E0282; use rustc_infer::infer::{InferOk, InferResult}; @@ -603,9 +602,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let mut generators = self.deferred_generator_interiors.borrow_mut(); for (body_id, interior, kind) in generators.drain(..) { self.select_obligations_where_possible(false, |_| {}); - crate::check::generator_interior::resolve_interior( - self, def_id, body_id, interior, kind, - ); + crate::generator_interior::resolve_interior(self, def_id, body_id, interior, kind); } } diff --git a/compiler/rustc_hir_analysis/src/check/fn_ctxt/arg_matrix.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/arg_matrix.rs index fc83994caf5..fc83994caf5 100644 --- a/compiler/rustc_hir_analysis/src/check/fn_ctxt/arg_matrix.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/arg_matrix.rs diff --git a/compiler/rustc_hir_analysis/src/check/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index 285db90a9df..08a3cbccfb0 100644 --- a/compiler/rustc_hir_analysis/src/check/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -1,19 +1,13 @@ -use crate::astconv::AstConv; -use crate::check::coercion::CoerceMany; -use crate::check::fn_ctxt::arg_matrix::{ - ArgMatrix, Compatibility, Error, ExpectedIdx, ProvidedIdx, +use crate::coercion::CoerceMany; +use crate::fn_ctxt::arg_matrix::{ArgMatrix, Compatibility, Error, ExpectedIdx, ProvidedIdx}; +use crate::gather_locals::Declaration; +use crate::method::MethodCallee; +use crate::Expectation::*; +use crate::TupleArgumentsFlag::*; +use crate::{ + struct_span_err, BreakableCtxt, Diverges, Expectation, FnCtxt, LocalTy, Needs, + TupleArgumentsFlag, }; -use crate::check::gather_locals::Declaration; -use crate::check::intrinsicck::InlineAsmCtxt; -use crate::check::method::MethodCallee; -use crate::check::Expectation::*; -use crate::check::TupleArgumentsFlag::*; -use crate::check::{ - potentially_plural_count, struct_span_err, BreakableCtxt, Diverges, Expectation, FnCtxt, - LocalTy, Needs, TupleArgumentsFlag, -}; -use crate::structured_errors::StructuredDiagnostic; - use rustc_ast as ast; use rustc_data_structures::fx::FxHashSet; use rustc_errors::{pluralize, Applicability, Diagnostic, DiagnosticId, MultiSpan}; @@ -21,6 +15,10 @@ use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind, Res}; use rustc_hir::def_id::DefId; use rustc_hir::{ExprKind, Node, QPath}; +use rustc_hir_analysis::astconv::AstConv; +use rustc_hir_analysis::check::intrinsicck::InlineAsmCtxt; +use rustc_hir_analysis::check::potentially_plural_count; +use rustc_hir_analysis::structured_errors::StructuredDiagnostic; use rustc_index::vec::IndexVec; use rustc_infer::infer::error_reporting::{FailureCode, ObligationCauseExt}; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; @@ -391,7 +389,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty: Ty<'tcx>, cast_ty: &str, ) { - use crate::structured_errors::MissingCastForVariadicArg; + use rustc_hir_analysis::structured_errors::MissingCastForVariadicArg; MissingCastForVariadicArg { sess, span, ty, cast_ty }.diagnostic().emit(); } diff --git a/compiler/rustc_hir_analysis/src/check/fn_ctxt/mod.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs index 51f4cb7e0eb..0c600daf445 100644 --- a/compiler/rustc_hir_analysis/src/check/fn_ctxt/mod.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/mod.rs @@ -6,12 +6,11 @@ mod suggestions; pub use _impl::*; pub use suggestions::*; -use crate::astconv::AstConv; -use crate::check::coercion::DynamicCoerceMany; -use crate::check::{Diverges, EnclosingBreakables, Inherited, UnsafetyState}; - +use crate::coercion::DynamicCoerceMany; +use crate::{Diverges, EnclosingBreakables, Inherited, UnsafetyState}; use rustc_hir as hir; use rustc_hir::def_id::DefId; +use rustc_hir_analysis::astconv::AstConv; use rustc_infer::infer; use rustc_infer::infer::error_reporting::TypeErrCtxt; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; @@ -36,7 +35,7 @@ use std::ops::Deref; /// /// See [`ItemCtxt`]'s docs for more. /// -/// [`ItemCtxt`]: crate::collect::ItemCtxt +/// [`ItemCtxt`]: rustc_hir_analysis::collect::ItemCtxt /// [`InferCtxt`]: infer::InferCtxt pub struct FnCtxt<'a, 'tcx> { pub(super) body_id: hir::HirId, diff --git a/compiler/rustc_hir_analysis/src/check/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 08b21b82faf..cd2e41aff0f 100644 --- a/compiler/rustc_hir_analysis/src/check/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1,7 +1,6 @@ use super::FnCtxt; -use crate::astconv::AstConv; -use crate::errors::{AddReturnTypeSuggestion, ExpectedReturnTypeLabel}; +use crate::errors::{AddReturnTypeSuggestion, ExpectedReturnTypeLabel}; use rustc_ast::util::parser::{ExprPrecedence, PREC_POSTFIX}; use rustc_errors::{Applicability, Diagnostic, MultiSpan}; use rustc_hir as hir; @@ -10,6 +9,7 @@ use rustc_hir::lang_items::LangItem; use rustc_hir::{ Expr, ExprKind, GenericBound, Node, Path, QPath, Stmt, StmtKind, TyKind, WherePredicate, }; +use rustc_hir_analysis::astconv::AstConv; use rustc_infer::infer::{self, TyCtxtInferExt}; use rustc_infer::traits::{self, StatementAsExpression}; use rustc_middle::lint::in_external_macro; diff --git a/compiler/rustc_hir_analysis/src/check/gather_locals.rs b/compiler/rustc_hir_typeck/src/gather_locals.rs index 8f34a970f6f..9a096f24fac 100644 --- a/compiler/rustc_hir_analysis/src/check/gather_locals.rs +++ b/compiler/rustc_hir_typeck/src/gather_locals.rs @@ -1,9 +1,10 @@ -use crate::check::{FnCtxt, LocalTy, UserType}; +use crate::{FnCtxt, LocalTy}; use rustc_hir as hir; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::PatKind; use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; use rustc_middle::ty::Ty; +use rustc_middle::ty::UserType; use rustc_span::Span; use rustc_trait_selection::traits; diff --git a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/cfg_build.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_build.rs index 122ad7009cb..122ad7009cb 100644 --- a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/cfg_build.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_build.rs diff --git a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/cfg_propagate.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_propagate.rs index 139d17d2e1c..139d17d2e1c 100644 --- a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/cfg_propagate.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_propagate.rs diff --git a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/cfg_visualize.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs index c0a0bfe8e1c..c0a0bfe8e1c 100644 --- a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/cfg_visualize.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/cfg_visualize.rs diff --git a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/mod.rs index 518cd734236..4f3bdfbe758 100644 --- a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/mod.rs @@ -14,7 +14,7 @@ use self::cfg_build::build_control_flow_graph; use self::record_consumed_borrow::find_consumed_and_borrowed; -use crate::check::FnCtxt; +use crate::FnCtxt; use hir::def_id::DefId; use hir::{Body, HirId, HirIdMap, Node}; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; diff --git a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/record_consumed_borrow.rs b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/record_consumed_borrow.rs index 2f68b57a019..bfe95852aa7 100644 --- a/compiler/rustc_hir_analysis/src/check/generator_interior/drop_ranges/record_consumed_borrow.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/drop_ranges/record_consumed_borrow.rs @@ -1,13 +1,16 @@ use super::TrackedValue; use crate::{ - check::FnCtxt, expr_use_visitor::{self, ExprUseVisitor}, + FnCtxt, }; use hir::{def_id::DefId, Body, HirId, HirIdMap}; use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; -use rustc_middle::hir::place::{PlaceBase, Projection, ProjectionKind}; use rustc_middle::ty::{ParamEnv, TyCtxt}; +use rustc_middle::{ + hir::place::{PlaceBase, Projection, ProjectionKind}, + ty::TypeVisitable, +}; pub(super) fn find_consumed_and_borrowed<'a, 'tcx>( fcx: &'a FnCtxt<'a, 'tcx>, @@ -198,11 +201,13 @@ impl<'tcx> expr_use_visitor::Delegate<'tcx> for ExprUseDelegate<'tcx> { // If the type being assigned needs dropped, then the mutation counts as a borrow // since it is essentially doing `Drop::drop(&mut x); x = new_value;`. - // - // FIXME(drop-tracking): We need to be more responsible about inference - // variables here, since `needs_drop` is a "raw" type query, i.e. it - // basically requires types to have been fully resolved. - if assignee_place.place.base_ty.needs_drop(self.tcx, self.param_env) { + let ty = self.tcx.erase_regions(assignee_place.place.base_ty); + if ty.needs_infer() { + self.tcx.sess.delay_span_bug( + self.tcx.hir().span(assignee_place.hir_id), + &format!("inference variables in {ty}"), + ); + } else if ty.needs_drop(self.tcx, self.param_env) { self.places .borrowed .insert(TrackedValue::from_place_with_projections_allowed(assignee_place)); diff --git a/compiler/rustc_hir_analysis/src/check/generator_interior.rs b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs index 898419b5b23..b7dd599cd43 100644 --- a/compiler/rustc_hir_analysis/src/check/generator_interior.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs @@ -377,15 +377,6 @@ impl<'a, 'tcx> Visitor<'tcx> for InteriorVisitor<'a, 'tcx> { debug!("is_borrowed_temporary: {:?}", self.drop_ranges.is_borrowed_temporary(expr)); let ty = self.fcx.typeck_results.borrow().expr_ty_adjusted_opt(expr); - let may_need_drop = |ty: Ty<'tcx>| { - // Avoid ICEs in needs_drop. - let ty = self.fcx.resolve_vars_if_possible(ty); - let ty = self.fcx.tcx.erase_regions(ty); - if ty.needs_infer() { - return true; - } - ty.needs_drop(self.fcx.tcx, self.fcx.param_env) - }; // Typically, the value produced by an expression is consumed by its parent in some way, // so we only have to check if the parent contains a yield (note that the parent may, for @@ -403,9 +394,18 @@ impl<'a, 'tcx> Visitor<'tcx> for InteriorVisitor<'a, 'tcx> { // src/test/ui/generator/drop-tracking-parent-expression.rs. let scope = if self.drop_ranges.is_borrowed_temporary(expr) || ty.map_or(true, |ty| { - let needs_drop = may_need_drop(ty); - debug!(?needs_drop, ?ty); - needs_drop + // Avoid ICEs in needs_drop. + let ty = self.fcx.resolve_vars_if_possible(ty); + let ty = self.fcx.tcx.erase_regions(ty); + if ty.needs_infer() { + self.fcx + .tcx + .sess + .delay_span_bug(expr.span, &format!("inference variables in {ty}")); + true + } else { + ty.needs_drop(self.fcx.tcx, self.fcx.param_env) + } }) { self.rvalue_scopes.temporary_scope(self.region_scope_tree, expr.hir_id.local_id) } else { diff --git a/compiler/rustc_hir_analysis/src/check/inherited.rs b/compiler/rustc_hir_typeck/src/inherited.rs index 0fb7651b3a1..0fb7651b3a1 100644 --- a/compiler/rustc_hir_analysis/src/check/inherited.rs +++ b/compiler/rustc_hir_typeck/src/inherited.rs diff --git a/compiler/rustc_hir_typeck/src/intrinsicck.rs b/compiler/rustc_hir_typeck/src/intrinsicck.rs new file mode 100644 index 00000000000..9812d96fcc3 --- /dev/null +++ b/compiler/rustc_hir_typeck/src/intrinsicck.rs @@ -0,0 +1,108 @@ +use hir::HirId; +use rustc_errors::struct_span_err; +use rustc_hir as hir; +use rustc_index::vec::Idx; +use rustc_middle::ty::layout::{LayoutError, SizeSkeleton}; +use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_target::abi::{Pointer, VariantIdx}; + +use super::FnCtxt; + +/// If the type is `Option<T>`, it will return `T`, otherwise +/// the type itself. Works on most `Option`-like types. +fn unpack_option_like<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> { + let ty::Adt(def, substs) = *ty.kind() else { return ty }; + + if def.variants().len() == 2 && !def.repr().c() && def.repr().int.is_none() { + let data_idx; + + let one = VariantIdx::new(1); + let zero = VariantIdx::new(0); + + if def.variant(zero).fields.is_empty() { + data_idx = one; + } else if def.variant(one).fields.is_empty() { + data_idx = zero; + } else { + return ty; + } + + if def.variant(data_idx).fields.len() == 1 { + return def.variant(data_idx).fields[0].ty(tcx, substs); + } + } + + ty +} + +impl<'a, 'tcx> FnCtxt<'a, 'tcx> { + pub fn check_transmute(&self, from: Ty<'tcx>, to: Ty<'tcx>, hir_id: HirId) { + let tcx = self.tcx; + let span = tcx.hir().span(hir_id); + let normalize = |ty| { + let ty = self.resolve_vars_if_possible(ty); + self.tcx.normalize_erasing_regions(self.param_env, ty) + }; + let from = normalize(from); + let to = normalize(to); + trace!(?from, ?to); + + // Transmutes that are only changing lifetimes are always ok. + if from == to { + return; + } + + let skel = |ty| SizeSkeleton::compute(ty, tcx, self.param_env); + let sk_from = skel(from); + let sk_to = skel(to); + trace!(?sk_from, ?sk_to); + + // Check for same size using the skeletons. + if let (Ok(sk_from), Ok(sk_to)) = (sk_from, sk_to) { + if sk_from.same_size(sk_to) { + return; + } + + // Special-case transmuting from `typeof(function)` and + // `Option<typeof(function)>` to present a clearer error. + let from = unpack_option_like(tcx, from); + if let (&ty::FnDef(..), SizeSkeleton::Known(size_to)) = (from.kind(), sk_to) && size_to == Pointer.size(&tcx) { + struct_span_err!(tcx.sess, span, E0591, "can't transmute zero-sized type") + .note(&format!("source type: {from}")) + .note(&format!("target type: {to}")) + .help("cast with `as` to a pointer instead") + .emit(); + return; + } + } + + // Try to display a sensible error with as much information as possible. + let skeleton_string = |ty: Ty<'tcx>, sk| match sk { + Ok(SizeSkeleton::Known(size)) => format!("{} bits", size.bits()), + Ok(SizeSkeleton::Pointer { tail, .. }) => format!("pointer to `{tail}`"), + Err(LayoutError::Unknown(bad)) => { + if bad == ty { + "this type does not have a fixed size".to_owned() + } else { + format!("size can vary because of {bad}") + } + } + Err(err) => err.to_string(), + }; + + let mut err = struct_span_err!( + tcx.sess, + span, + E0512, + "cannot transmute between types of different sizes, \ + or dependently-sized types" + ); + if from == to { + err.note(&format!("`{from}` does not have a fixed size")); + } else { + err.note(&format!("source type: `{}` ({})", from, skeleton_string(from, sk_from))) + .note(&format!("target type: `{}` ({})", to, skeleton_string(to, sk_to))); + } + err.emit(); + } +} diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs new file mode 100644 index 00000000000..e862d577573 --- /dev/null +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -0,0 +1,507 @@ +#![feature(if_let_guard)] +#![feature(let_chains)] +#![feature(try_blocks)] +#![feature(never_type)] +#![feature(min_specialization)] +#![feature(control_flow_enum)] +#![feature(drain_filter)] +#![allow(rustc::potential_query_instability)] +#![recursion_limit = "256"] + +#[macro_use] +extern crate tracing; + +#[macro_use] +extern crate rustc_middle; + +mod _match; +mod autoderef; +mod callee; +// Used by clippy; +pub mod cast; +mod check; +mod closure; +mod coercion; +mod demand; +mod diverges; +mod errors; +mod expectation; +mod expr; +// Used by clippy; +pub mod expr_use_visitor; +mod fallback; +mod fn_ctxt; +mod gather_locals; +mod generator_interior; +mod inherited; +mod intrinsicck; +mod mem_categorization; +mod method; +mod op; +mod pat; +mod place_op; +mod rvalue_scopes; +mod upvar; +mod writeback; + +pub use diverges::Diverges; +pub use expectation::Expectation; +pub use fn_ctxt::*; +pub use inherited::{Inherited, InheritedBuilder}; + +use crate::check::check_fn; +use crate::coercion::DynamicCoerceMany; +use crate::gather_locals::GatherLocalsVisitor; +use rustc_data_structures::fx::FxHashSet; +use rustc_errors::{struct_span_err, MultiSpan}; +use rustc_hir as hir; +use rustc_hir::def::Res; +use rustc_hir::intravisit::Visitor; +use rustc_hir::{HirIdMap, Node}; +use rustc_hir_analysis::astconv::AstConv; +use rustc_hir_analysis::check::check_abi; +use rustc_infer::infer::type_variable::{TypeVariableOrigin, TypeVariableOriginKind}; +use rustc_middle::traits; +use rustc_middle::ty::query::Providers; +use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_session::config; +use rustc_session::Session; +use rustc_span::def_id::{DefId, LocalDefId}; +use rustc_span::Span; + +#[macro_export] +macro_rules! type_error_struct { + ($session:expr, $span:expr, $typ:expr, $code:ident, $($message:tt)*) => ({ + let mut err = rustc_errors::struct_span_err!($session, $span, $code, $($message)*); + + if $typ.references_error() { + err.downgrade_to_delayed_bug(); + } + + err + }) +} + +/// The type of a local binding, including the revealed type for anon types. +#[derive(Copy, Clone, Debug)] +pub struct LocalTy<'tcx> { + decl_ty: Ty<'tcx>, + revealed_ty: Ty<'tcx>, +} + +#[derive(Copy, Clone)] +pub struct UnsafetyState { + pub def: hir::HirId, + pub unsafety: hir::Unsafety, + from_fn: bool, +} + +impl UnsafetyState { + pub fn function(unsafety: hir::Unsafety, def: hir::HirId) -> UnsafetyState { + UnsafetyState { def, unsafety, from_fn: true } + } + + pub fn recurse(self, blk: &hir::Block<'_>) -> UnsafetyState { + use hir::BlockCheckMode; + match self.unsafety { + // If this unsafe, then if the outer function was already marked as + // unsafe we shouldn't attribute the unsafe'ness to the block. This + // way the block can be warned about instead of ignoring this + // extraneous block (functions are never warned about). + hir::Unsafety::Unsafe if self.from_fn => self, + + unsafety => { + let (unsafety, def) = match blk.rules { + BlockCheckMode::UnsafeBlock(..) => (hir::Unsafety::Unsafe, blk.hir_id), + BlockCheckMode::DefaultBlock => (unsafety, self.def), + }; + UnsafetyState { def, unsafety, from_fn: false } + } + } + } +} + +/// If this `DefId` is a "primary tables entry", returns +/// `Some((body_id, body_ty, fn_sig))`. Otherwise, returns `None`. +/// +/// If this function returns `Some`, then `typeck_results(def_id)` will +/// succeed; if it returns `None`, then `typeck_results(def_id)` may or +/// may not succeed. In some cases where this function returns `None` +/// (notably closures), `typeck_results(def_id)` would wind up +/// redirecting to the owning function. +fn primary_body_of( + tcx: TyCtxt<'_>, + id: hir::HirId, +) -> Option<(hir::BodyId, Option<&hir::Ty<'_>>, Option<&hir::FnSig<'_>>)> { + match tcx.hir().get(id) { + Node::Item(item) => match item.kind { + hir::ItemKind::Const(ty, body) | hir::ItemKind::Static(ty, _, body) => { + Some((body, Some(ty), None)) + } + hir::ItemKind::Fn(ref sig, .., body) => Some((body, None, Some(sig))), + _ => None, + }, + Node::TraitItem(item) => match item.kind { + hir::TraitItemKind::Const(ty, Some(body)) => Some((body, Some(ty), None)), + hir::TraitItemKind::Fn(ref sig, hir::TraitFn::Provided(body)) => { + Some((body, None, Some(sig))) + } + _ => None, + }, + Node::ImplItem(item) => match item.kind { + hir::ImplItemKind::Const(ty, body) => Some((body, Some(ty), None)), + hir::ImplItemKind::Fn(ref sig, body) => Some((body, None, Some(sig))), + _ => None, + }, + Node::AnonConst(constant) => Some((constant.body, None, None)), + _ => None, + } +} + +fn has_typeck_results(tcx: TyCtxt<'_>, def_id: DefId) -> bool { + // Closures' typeck results come from their outermost function, + // as they are part of the same "inference environment". + let typeck_root_def_id = tcx.typeck_root_def_id(def_id); + if typeck_root_def_id != def_id { + return tcx.has_typeck_results(typeck_root_def_id); + } + + if let Some(def_id) = def_id.as_local() { + let id = tcx.hir().local_def_id_to_hir_id(def_id); + primary_body_of(tcx, id).is_some() + } else { + false + } +} + +fn used_trait_imports(tcx: TyCtxt<'_>, def_id: LocalDefId) -> &FxHashSet<LocalDefId> { + &*tcx.typeck(def_id).used_trait_imports +} + +fn typeck_item_bodies(tcx: TyCtxt<'_>, (): ()) { + tcx.hir().par_body_owners(|body_owner_def_id| tcx.ensure().typeck(body_owner_def_id)); +} + +fn typeck_const_arg<'tcx>( + tcx: TyCtxt<'tcx>, + (did, param_did): (LocalDefId, DefId), +) -> &ty::TypeckResults<'tcx> { + let fallback = move || tcx.type_of(param_did); + typeck_with_fallback(tcx, did, fallback) +} + +fn typeck<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> &ty::TypeckResults<'tcx> { + if let Some(param_did) = tcx.opt_const_param_of(def_id) { + tcx.typeck_const_arg((def_id, param_did)) + } else { + let fallback = move || tcx.type_of(def_id.to_def_id()); + typeck_with_fallback(tcx, def_id, fallback) + } +} + +/// Used only to get `TypeckResults` for type inference during error recovery. +/// Currently only used for type inference of `static`s and `const`s to avoid type cycle errors. +fn diagnostic_only_typeck<'tcx>(tcx: TyCtxt<'tcx>, def_id: LocalDefId) -> &ty::TypeckResults<'tcx> { + let fallback = move || { + let span = tcx.hir().span(tcx.hir().local_def_id_to_hir_id(def_id)); + tcx.ty_error_with_message(span, "diagnostic only typeck table used") + }; + typeck_with_fallback(tcx, def_id, fallback) +} + +fn typeck_with_fallback<'tcx>( + tcx: TyCtxt<'tcx>, + def_id: LocalDefId, + fallback: impl Fn() -> Ty<'tcx> + 'tcx, +) -> &'tcx ty::TypeckResults<'tcx> { + // Closures' typeck results come from their outermost function, + // as they are part of the same "inference environment". + let typeck_root_def_id = tcx.typeck_root_def_id(def_id.to_def_id()).expect_local(); + if typeck_root_def_id != def_id { + return tcx.typeck(typeck_root_def_id); + } + + let id = tcx.hir().local_def_id_to_hir_id(def_id); + let span = tcx.hir().span(id); + + // Figure out what primary body this item has. + let (body_id, body_ty, fn_sig) = primary_body_of(tcx, id).unwrap_or_else(|| { + span_bug!(span, "can't type-check body of {:?}", def_id); + }); + let body = tcx.hir().body(body_id); + + let typeck_results = Inherited::build(tcx, def_id).enter(|inh| { + let param_env = tcx.param_env(def_id); + let mut fcx = if let Some(hir::FnSig { header, decl, .. }) = fn_sig { + let fn_sig = if rustc_hir_analysis::collect::get_infer_ret_ty(&decl.output).is_some() { + let fcx = FnCtxt::new(&inh, param_env, body.value.hir_id); + <dyn AstConv<'_>>::ty_of_fn(&fcx, id, header.unsafety, header.abi, decl, None, None) + } else { + tcx.fn_sig(def_id) + }; + + check_abi(tcx, id, span, fn_sig.abi()); + + // Compute the function signature from point of view of inside the fn. + let fn_sig = tcx.liberate_late_bound_regions(def_id.to_def_id(), fn_sig); + let fn_sig = inh.normalize_associated_types_in( + body.value.span, + body_id.hir_id, + param_env, + fn_sig, + ); + check_fn(&inh, param_env, fn_sig, decl, id, body, None, true).0 + } else { + let fcx = FnCtxt::new(&inh, param_env, body.value.hir_id); + let expected_type = body_ty + .and_then(|ty| match ty.kind { + hir::TyKind::Infer => Some(<dyn AstConv<'_>>::ast_ty_to_ty(&fcx, ty)), + _ => None, + }) + .unwrap_or_else(|| match tcx.hir().get(id) { + Node::AnonConst(_) => match tcx.hir().get(tcx.hir().get_parent_node(id)) { + Node::Expr(&hir::Expr { + kind: hir::ExprKind::ConstBlock(ref anon_const), + .. + }) if anon_const.hir_id == id => fcx.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::TypeInference, + span, + }), + Node::Ty(&hir::Ty { + kind: hir::TyKind::Typeof(ref anon_const), .. + }) if anon_const.hir_id == id => fcx.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::TypeInference, + span, + }), + Node::Expr(&hir::Expr { kind: hir::ExprKind::InlineAsm(asm), .. }) + | Node::Item(&hir::Item { kind: hir::ItemKind::GlobalAsm(asm), .. }) => { + let operand_ty = asm + .operands + .iter() + .filter_map(|(op, _op_sp)| match op { + hir::InlineAsmOperand::Const { anon_const } + if anon_const.hir_id == id => + { + // Inline assembly constants must be integers. + Some(fcx.next_int_var()) + } + hir::InlineAsmOperand::SymFn { anon_const } + if anon_const.hir_id == id => + { + Some(fcx.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::MiscVariable, + span, + })) + } + _ => None, + }) + .next(); + operand_ty.unwrap_or_else(fallback) + } + _ => fallback(), + }, + _ => fallback(), + }); + + let expected_type = fcx.normalize_associated_types_in(body.value.span, expected_type); + fcx.require_type_is_sized(expected_type, body.value.span, traits::ConstSized); + + // Gather locals in statics (because of block expressions). + GatherLocalsVisitor::new(&fcx).visit_body(body); + + fcx.check_expr_coercable_to_type(&body.value, expected_type, None); + + fcx.write_ty(id, expected_type); + + fcx + }; + + let fallback_has_occurred = fcx.type_inference_fallback(); + + // Even though coercion casts provide type hints, we check casts after fallback for + // backwards compatibility. This makes fallback a stronger type hint than a cast coercion. + fcx.check_casts(); + fcx.select_obligations_where_possible(fallback_has_occurred, |_| {}); + + // Closure and generator analysis may run after fallback + // because they don't constrain other type variables. + // Closure analysis only runs on closures. Therefore they only need to fulfill non-const predicates (as of now) + let prev_constness = fcx.param_env.constness(); + fcx.param_env = fcx.param_env.without_const(); + fcx.closure_analyze(body); + fcx.param_env = fcx.param_env.with_constness(prev_constness); + assert!(fcx.deferred_call_resolutions.borrow().is_empty()); + // Before the generator analysis, temporary scopes shall be marked to provide more + // precise information on types to be captured. + fcx.resolve_rvalue_scopes(def_id.to_def_id()); + fcx.resolve_generator_interiors(def_id.to_def_id()); + + for (ty, span, code) in fcx.deferred_sized_obligations.borrow_mut().drain(..) { + let ty = fcx.normalize_ty(span, ty); + fcx.require_type_is_sized(ty, span, code); + } + + fcx.select_all_obligations_or_error(); + + if !fcx.infcx.is_tainted_by_errors() { + fcx.check_transmutes(); + } + + fcx.check_asms(); + + fcx.infcx.skip_region_resolution(); + + fcx.resolve_type_vars_in_body(body) + }); + + // Consistency check our TypeckResults instance can hold all ItemLocalIds + // it will need to hold. + assert_eq!(typeck_results.hir_owner, id.owner); + + typeck_results +} + +/// When `check_fn` is invoked on a generator (i.e., a body that +/// includes yield), it returns back some information about the yield +/// points. +struct GeneratorTypes<'tcx> { + /// Type of generator argument / values returned by `yield`. + resume_ty: Ty<'tcx>, + + /// Type of value that is yielded. + yield_ty: Ty<'tcx>, + + /// Types that are captured (see `GeneratorInterior` for more). + interior: Ty<'tcx>, + + /// Indicates if the generator is movable or static (immovable). + movability: hir::Movability, +} + +#[derive(Copy, Clone, Debug, PartialEq, Eq)] +pub enum Needs { + MutPlace, + None, +} + +impl Needs { + fn maybe_mut_place(m: hir::Mutability) -> Self { + match m { + hir::Mutability::Mut => Needs::MutPlace, + hir::Mutability::Not => Needs::None, + } + } +} + +#[derive(Debug, Copy, Clone)] +pub enum PlaceOp { + Deref, + Index, +} + +pub struct BreakableCtxt<'tcx> { + may_break: bool, + + // this is `null` for loops where break with a value is illegal, + // such as `while`, `for`, and `while let` + coerce: Option<DynamicCoerceMany<'tcx>>, +} + +pub struct EnclosingBreakables<'tcx> { + stack: Vec<BreakableCtxt<'tcx>>, + by_id: HirIdMap<usize>, +} + +impl<'tcx> EnclosingBreakables<'tcx> { + fn find_breakable(&mut self, target_id: hir::HirId) -> &mut BreakableCtxt<'tcx> { + self.opt_find_breakable(target_id).unwrap_or_else(|| { + bug!("could not find enclosing breakable with id {}", target_id); + }) + } + + fn opt_find_breakable(&mut self, target_id: hir::HirId) -> Option<&mut BreakableCtxt<'tcx>> { + match self.by_id.get(&target_id) { + Some(ix) => Some(&mut self.stack[*ix]), + None => None, + } + } +} + +fn report_unexpected_variant_res(tcx: TyCtxt<'_>, res: Res, qpath: &hir::QPath<'_>, span: Span) { + struct_span_err!( + tcx.sess, + span, + E0533, + "expected unit struct, unit variant or constant, found {} `{}`", + res.descr(), + rustc_hir_pretty::qpath_to_string(qpath), + ) + .emit(); +} + +/// Controls whether the arguments are tupled. This is used for the call +/// operator. +/// +/// Tupling means that all call-side arguments are packed into a tuple and +/// passed as a single parameter. For example, if tupling is enabled, this +/// function: +/// ``` +/// fn f(x: (isize, isize)) {} +/// ``` +/// Can be called as: +/// ```ignore UNSOLVED (can this be done in user code?) +/// # fn f(x: (isize, isize)) {} +/// f(1, 2); +/// ``` +/// Instead of: +/// ``` +/// # fn f(x: (isize, isize)) {} +/// f((1, 2)); +/// ``` +#[derive(Clone, Eq, PartialEq)] +enum TupleArgumentsFlag { + DontTupleArguments, + TupleArguments, +} + +fn fatally_break_rust(sess: &Session) { + let handler = sess.diagnostic(); + handler.span_bug_no_panic( + MultiSpan::new(), + "It looks like you're trying to break rust; would you like some ICE?", + ); + handler.note_without_error("the compiler expectedly panicked. this is a feature."); + handler.note_without_error( + "we would appreciate a joke overview: \ + https://github.com/rust-lang/rust/issues/43162#issuecomment-320764675", + ); + handler.note_without_error(&format!( + "rustc {} running on {}", + option_env!("CFG_VERSION").unwrap_or("unknown_version"), + config::host_triple(), + )); +} + +fn has_expected_num_generic_args<'tcx>( + tcx: TyCtxt<'tcx>, + trait_did: Option<DefId>, + expected: usize, +) -> bool { + trait_did.map_or(true, |trait_did| { + let generics = tcx.generics_of(trait_did); + generics.count() == expected + if generics.has_self { 1 } else { 0 } + }) +} + +pub fn provide(providers: &mut Providers) { + method::provide(providers); + *providers = Providers { + typeck_item_bodies, + typeck_const_arg, + typeck, + diagnostic_only_typeck, + has_typeck_results, + used_trait_imports, + ..*providers + }; +} diff --git a/compiler/rustc_hir_analysis/src/mem_categorization.rs b/compiler/rustc_hir_typeck/src/mem_categorization.rs index 362f1c34300..362f1c34300 100644 --- a/compiler/rustc_hir_analysis/src/mem_categorization.rs +++ b/compiler/rustc_hir_typeck/src/mem_categorization.rs diff --git a/compiler/rustc_hir_analysis/src/check/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index 30731cbd03d..be4ea998622 100644 --- a/compiler/rustc_hir_analysis/src/check/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -1,10 +1,10 @@ use super::{probe, MethodCallee}; -use crate::astconv::{AstConv, CreateSubstsForGenericArgsCtxt, IsMethodCall}; -use crate::check::{callee, FnCtxt}; +use crate::{callee, FnCtxt}; use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_hir::GenericArg; +use rustc_hir_analysis::astconv::{AstConv, CreateSubstsForGenericArgsCtxt, IsMethodCall}; use rustc_infer::infer::{self, InferOk}; use rustc_middle::traits::{ObligationCauseCode, UnifyReceiverContext}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, PointerCast}; diff --git a/compiler/rustc_hir_analysis/src/check/method/mod.rs b/compiler/rustc_hir_typeck/src/method/mod.rs index 3fe9bea2299..a1278edefbb 100644 --- a/compiler/rustc_hir_analysis/src/check/method/mod.rs +++ b/compiler/rustc_hir_typeck/src/method/mod.rs @@ -10,14 +10,14 @@ mod suggest; pub use self::suggest::SelfSource; pub use self::MethodError::*; -use crate::check::{Expectation, FnCtxt}; -use crate::ObligationCause; +use crate::{Expectation, FnCtxt}; use rustc_data_structures::sync::Lrc; use rustc_errors::{Applicability, Diagnostic}; use rustc_hir as hir; use rustc_hir::def::{CtorOf, DefKind, Namespace}; use rustc_hir::def_id::DefId; use rustc_infer::infer::{self, InferOk}; +use rustc_middle::traits::ObligationCause; use rustc_middle::ty::subst::{InternalSubsts, SubstsRef}; use rustc_middle::ty::{self, DefIdTree, GenericParamDefKind, ToPredicate, Ty, TypeVisitable}; use rustc_span::symbol::Ident; diff --git a/compiler/rustc_hir_analysis/src/check/method/prelude2021.rs b/compiler/rustc_hir_typeck/src/method/prelude2021.rs index ca4cdf5a0d0..3c98a2aa3ab 100644 --- a/compiler/rustc_hir_analysis/src/check/method/prelude2021.rs +++ b/compiler/rustc_hir_typeck/src/method/prelude2021.rs @@ -1,3 +1,7 @@ +use crate::{ + method::probe::{self, Pick}, + FnCtxt, +}; use hir::def_id::DefId; use hir::HirId; use hir::ItemKind; @@ -12,11 +16,6 @@ use rustc_span::symbol::{sym, Ident}; use rustc_span::Span; use rustc_trait_selection::infer::InferCtxtExt; -use crate::check::{ - method::probe::{self, Pick}, - FnCtxt, -}; - impl<'a, 'tcx> FnCtxt<'a, 'tcx> { pub(super) fn lint_dot_call_from_2018( &self, diff --git a/compiler/rustc_hir_analysis/src/check/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index ba078ad0abb..74cf2ac32aa 100644 --- a/compiler/rustc_hir_analysis/src/check/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -3,14 +3,12 @@ use super::CandidateSource; use super::MethodError; use super::NoMatchData; -use crate::check::FnCtxt; use crate::errors::MethodCallOnUnknownType; -use crate::hir::def::DefKind; -use crate::hir::def_id::DefId; - +use crate::FnCtxt; use rustc_data_structures::fx::FxHashSet; use rustc_errors::Applicability; use rustc_hir as hir; +use rustc_hir::def::DefKind; use rustc_hir::def::Namespace; use rustc_infer::infer::canonical::OriginalQueryValues; use rustc_infer::infer::canonical::{Canonical, QueryResponse}; @@ -23,6 +21,7 @@ use rustc_middle::ty::GenericParamDefKind; use rustc_middle::ty::{self, ParamEnvAnd, ToPredicate, Ty, TyCtxt, TypeFoldable, TypeVisitable}; use rustc_middle::ty::{InternalSubsts, SubstsRef}; use rustc_session::lint; +use rustc_span::def_id::DefId; use rustc_span::def_id::LocalDefId; use rustc_span::lev_distance::{ find_best_match_for_name_with_substrings, lev_distance_with_substrings, diff --git a/compiler/rustc_hir_analysis/src/check/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index bfa5b68168f..f4351bfa84a 100644 --- a/compiler/rustc_hir_analysis/src/check/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -1,8 +1,8 @@ //! Give useful errors and suggestions to users when an item can't be //! found or is otherwise invalid. -use crate::check::FnCtxt; use crate::errors; +use crate::FnCtxt; use rustc_ast::ast::Mutability; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_errors::{ diff --git a/compiler/rustc_hir_analysis/src/check/op.rs b/compiler/rustc_hir_typeck/src/op.rs index 5e498a92ec2..89573997693 100644 --- a/compiler/rustc_hir_analysis/src/check/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -2,7 +2,7 @@ use super::method::MethodCallee; use super::{has_expected_num_generic_args, FnCtxt}; -use crate::check::Expectation; +use crate::Expectation; use rustc_ast as ast; use rustc_errors::{self, struct_span_err, Applicability, Diagnostic}; use rustc_hir as hir; diff --git a/compiler/rustc_hir_analysis/src/check/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs index 178326cfdc4..ea90da4a6dc 100644 --- a/compiler/rustc_hir_analysis/src/check/pat.rs +++ b/compiler/rustc_hir_typeck/src/pat.rs @@ -1,6 +1,5 @@ -use crate::check::FnCtxt; +use crate::FnCtxt; use rustc_ast as ast; - use rustc_data_structures::fx::FxHashMap; use rustc_errors::{ pluralize, struct_span_err, Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, diff --git a/compiler/rustc_hir_analysis/src/check/place_op.rs b/compiler/rustc_hir_typeck/src/place_op.rs index 2e0f37eba23..ba8cf6926f3 100644 --- a/compiler/rustc_hir_analysis/src/check/place_op.rs +++ b/compiler/rustc_hir_typeck/src/place_op.rs @@ -1,5 +1,5 @@ -use crate::check::method::MethodCallee; -use crate::check::{has_expected_num_generic_args, FnCtxt, PlaceOp}; +use crate::method::MethodCallee; +use crate::{has_expected_num_generic_args, FnCtxt, PlaceOp}; use rustc_ast as ast; use rustc_errors::Applicability; use rustc_hir as hir; diff --git a/compiler/rustc_hir_analysis/src/check/rvalue_scopes.rs b/compiler/rustc_hir_typeck/src/rvalue_scopes.rs index 22c9e796107..22c9e796107 100644 --- a/compiler/rustc_hir_analysis/src/check/rvalue_scopes.rs +++ b/compiler/rustc_hir_typeck/src/rvalue_scopes.rs diff --git a/compiler/rustc_hir_analysis/src/check/upvar.rs b/compiler/rustc_hir_typeck/src/upvar.rs index 4dea40829f6..4dea40829f6 100644 --- a/compiler/rustc_hir_analysis/src/check/upvar.rs +++ b/compiler/rustc_hir_typeck/src/upvar.rs diff --git a/compiler/rustc_hir_analysis/src/check/writeback.rs b/compiler/rustc_hir_typeck/src/writeback.rs index d2d596efb93..1e26daa9c2c 100644 --- a/compiler/rustc_hir_analysis/src/check/writeback.rs +++ b/compiler/rustc_hir_typeck/src/writeback.rs @@ -2,7 +2,7 @@ // unresolved type variables and replaces "ty_var" types with their // substitutions. -use crate::check::FnCtxt; +use crate::FnCtxt; use hir::def_id::LocalDefId; use rustc_data_structures::fx::FxHashMap; use rustc_errors::ErrorGuaranteed; diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index 500900d3d4a..2131d19068e 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -18,19 +18,19 @@ use crate::infer::error_reporting::{ pub mod note_and_explain; #[derive(Diagnostic)] -#[diag(infer::opaque_hidden_type)] +#[diag(infer_opaque_hidden_type)] pub struct OpaqueHiddenTypeDiag { #[primary_span] #[label] pub span: Span, - #[note(infer::opaque_type)] + #[note(opaque_type)] pub opaque_type: Span, - #[note(infer::hidden_type)] + #[note(hidden_type)] pub hidden_type: Span, } #[derive(Diagnostic)] -#[diag(infer::type_annotations_needed, code = "E0282")] +#[diag(infer_type_annotations_needed, code = "E0282")] pub struct AnnotationRequired<'a> { #[primary_span] pub span: Span, @@ -48,7 +48,7 @@ pub struct AnnotationRequired<'a> { // Copy of `AnnotationRequired` for E0283 #[derive(Diagnostic)] -#[diag(infer::type_annotations_needed, code = "E0283")] +#[diag(infer_type_annotations_needed, code = "E0283")] pub struct AmbigousImpl<'a> { #[primary_span] pub span: Span, @@ -66,7 +66,7 @@ pub struct AmbigousImpl<'a> { // Copy of `AnnotationRequired` for E0284 #[derive(Diagnostic)] -#[diag(infer::type_annotations_needed, code = "E0284")] +#[diag(infer_type_annotations_needed, code = "E0284")] pub struct AmbigousReturn<'a> { #[primary_span] pub span: Span, @@ -83,7 +83,7 @@ pub struct AmbigousReturn<'a> { } #[derive(Diagnostic)] -#[diag(infer::need_type_info_in_generator, code = "E0698")] +#[diag(infer_need_type_info_in_generator, code = "E0698")] pub struct NeedTypeInfoInGenerator<'a> { #[primary_span] pub span: Span, @@ -94,7 +94,7 @@ pub struct NeedTypeInfoInGenerator<'a> { // Used when a better one isn't available #[derive(Subdiagnostic)] -#[label(infer::label_bad)] +#[label(infer_label_bad)] pub struct InferenceBadError<'a> { #[primary_span] pub span: Span, @@ -110,7 +110,7 @@ pub struct InferenceBadError<'a> { #[derive(Subdiagnostic)] pub enum SourceKindSubdiag<'a> { #[suggestion_verbose( - infer::source_kind_subdiag_let, + infer_source_kind_subdiag_let, code = ": {type_name}", applicability = "has-placeholders" )] @@ -125,7 +125,7 @@ pub enum SourceKindSubdiag<'a> { prefix: &'a str, arg_name: String, }, - #[label(infer::source_kind_subdiag_generic_label)] + #[label(infer_source_kind_subdiag_generic_label)] GenericLabel { #[primary_span] span: Span, @@ -136,7 +136,7 @@ pub enum SourceKindSubdiag<'a> { parent_name: String, }, #[suggestion_verbose( - infer::source_kind_subdiag_generic_suggestion, + infer_source_kind_subdiag_generic_suggestion, code = "::<{args}>", applicability = "has-placeholders" )] @@ -151,7 +151,7 @@ pub enum SourceKindSubdiag<'a> { #[derive(Subdiagnostic)] pub enum SourceKindMultiSuggestion<'a> { #[multipart_suggestion_verbose( - infer::source_kind_fully_qualified, + infer_source_kind_fully_qualified, applicability = "has-placeholders" )] FullyQualified { @@ -164,7 +164,7 @@ pub enum SourceKindMultiSuggestion<'a> { successor_pos: &'a str, }, #[multipart_suggestion_verbose( - infer::source_kind_closure_return, + infer_source_kind_closure_return, applicability = "has-placeholders" )] ClosureReturn { @@ -260,7 +260,7 @@ impl AddToDiagnostic for RegionOriginNote<'_> { requirement, expected_found: Some((expected, found)), } => { - label_or_note(span, fluent::infer::subtype); + label_or_note(span, fluent::infer_subtype); diag.set_arg("requirement", requirement); diag.note_expected_found(&"", expected, &"", found); @@ -269,7 +269,7 @@ impl AddToDiagnostic for RegionOriginNote<'_> { // FIXME: this really should be handled at some earlier stage. Our // handling of region checking when type errors are present is // *terrible*. - label_or_note(span, fluent::infer::subtype_2); + label_or_note(span, fluent::infer_subtype_2); diag.set_arg("requirement", requirement); } }; @@ -300,9 +300,9 @@ impl AddToDiagnostic for LifetimeMismatchLabels { { match self { LifetimeMismatchLabels::InRet { param_span, ret_span, span, label_var1 } => { - diag.span_label(param_span, fluent::infer::declared_different); - diag.span_label(ret_span, fluent::infer::nothing); - diag.span_label(span, fluent::infer::data_returned); + diag.span_label(param_span, fluent::infer_declared_different); + diag.span_label(ret_span, fluent::infer_nothing); + diag.span_label(span, fluent::infer_data_returned); diag.set_arg("label_var1_exists", label_var1.is_some()); diag.set_arg("label_var1", label_var1.map(|x| x.to_string()).unwrap_or_default()); } @@ -315,13 +315,13 @@ impl AddToDiagnostic for LifetimeMismatchLabels { sub: label_var2, } => { if hir_equal { - diag.span_label(ty_sup, fluent::infer::declared_multiple); - diag.span_label(ty_sub, fluent::infer::nothing); - diag.span_label(span, fluent::infer::data_lifetime_flow); + diag.span_label(ty_sup, fluent::infer_declared_multiple); + diag.span_label(ty_sub, fluent::infer_nothing); + diag.span_label(span, fluent::infer_data_lifetime_flow); } else { - diag.span_label(ty_sup, fluent::infer::types_declared_different); - diag.span_label(ty_sub, fluent::infer::nothing); - diag.span_label(span, fluent::infer::data_flows); + diag.span_label(ty_sup, fluent::infer_types_declared_different); + diag.span_label(ty_sub, fluent::infer_nothing); + diag.span_label(span, fluent::infer_data_flows); diag.set_arg("label_var1_exists", label_var1.is_some()); diag.set_arg( "label_var1", @@ -419,7 +419,7 @@ impl AddToDiagnostic for AddLifetimeParamsSuggestion<'_> { } diag.multipart_suggestion( - fluent::infer::lifetime_param_suggestion, + fluent::infer_lifetime_param_suggestion, suggestions, Applicability::MaybeIncorrect, ); @@ -427,13 +427,13 @@ impl AddToDiagnostic for AddLifetimeParamsSuggestion<'_> { true }; if mk_suggestion() && self.add_note { - diag.note(fluent::infer::lifetime_param_suggestion_elided); + diag.note(fluent::infer_lifetime_param_suggestion_elided); } } } #[derive(Diagnostic)] -#[diag(infer::lifetime_mismatch, code = "E0623")] +#[diag(infer_lifetime_mismatch, code = "E0623")] pub struct LifetimeMismatch<'a> { #[primary_span] pub span: Span, @@ -454,56 +454,43 @@ impl AddToDiagnostic for IntroducesStaticBecauseUnmetLifetimeReq { F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, { self.unmet_requirements - .push_span_label(self.binding_span, fluent::infer::msl_introduces_static); - diag.span_note(self.unmet_requirements, fluent::infer::msl_unmet_req); + .push_span_label(self.binding_span, fluent::infer_msl_introduces_static); + diag.span_note(self.unmet_requirements, fluent::infer_msl_unmet_req); } } -pub struct ImplNote { - pub impl_span: Option<Span>, -} - -impl AddToDiagnostic for ImplNote { - fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) - where - F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, - { - match self.impl_span { - Some(span) => diag.span_note(span, fluent::infer::msl_impl_note), - None => diag.note(fluent::infer::msl_impl_note), - }; - } -} - -pub enum TraitSubdiag { - Note { span: Span }, - Sugg { span: Span }, +// FIXME(#100717): replace with a `Option<Span>` when subdiagnostic supports that +#[derive(Subdiagnostic)] +pub enum DoesNotOutliveStaticFromImpl { + #[note(infer_does_not_outlive_static_from_impl)] + Spanned { + #[primary_span] + span: Span, + }, + #[note(infer_does_not_outlive_static_from_impl)] + Unspanned, } -// FIXME(#100717) used in `Vec<TraitSubdiag>` so requires eager translation/list support -impl AddToDiagnostic for TraitSubdiag { - fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) - where - F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, - { - match self { - TraitSubdiag::Note { span } => { - diag.span_note(span, "this has an implicit `'static` lifetime requirement"); - } - TraitSubdiag::Sugg { span } => { - diag.span_suggestion_verbose( - span, - "consider relaxing the implicit `'static` requirement", - " + '_".to_owned(), - rustc_errors::Applicability::MaybeIncorrect, - ); - } - } - } +#[derive(Subdiagnostic)] +pub enum ImplicitStaticLifetimeSubdiag { + #[note(infer_implicit_static_lifetime_note)] + Note { + #[primary_span] + span: Span, + }, + #[suggestion_verbose( + infer_implicit_static_lifetime_suggestion, + code = " + '_", + applicability = "maybe-incorrect" + )] + Sugg { + #[primary_span] + span: Span, + }, } #[derive(Diagnostic)] -#[diag(infer::mismatched_static_lifetime)] +#[diag(infer_mismatched_static_lifetime)] pub struct MismatchedStaticLifetime<'a> { #[primary_span] pub cause_span: Span, @@ -512,7 +499,7 @@ pub struct MismatchedStaticLifetime<'a> { #[subdiagnostic] pub expl: Option<note_and_explain::RegionExplanation<'a>>, #[subdiagnostic] - pub impl_note: ImplNote, - #[subdiagnostic] - pub trait_subdiags: Vec<TraitSubdiag>, + pub does_not_outlive_static_from_impl: DoesNotOutliveStaticFromImpl, + #[subdiagnostic(eager)] + pub implicit_static_lifetimes: Vec<ImplicitStaticLifetimeSubdiag>, } diff --git a/compiler/rustc_infer/src/errors/note_and_explain.rs b/compiler/rustc_infer/src/errors/note_and_explain.rs index 201a3c7100c..6a29d85627a 100644 --- a/compiler/rustc_infer/src/errors/note_and_explain.rs +++ b/compiler/rustc_infer/src/errors/note_and_explain.rs @@ -166,9 +166,9 @@ impl AddToDiagnostic for RegionExplanation<'_> { F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, { if let Some(span) = self.desc.span { - diag.span_note(span, fluent::infer::region_explanation); + diag.span_note(span, fluent::infer_region_explanation); } else { - diag.note(fluent::infer::region_explanation); + diag.note(fluent::infer_region_explanation); } self.desc.add_to(diag); diag.set_arg("pref_kind", self.prefix); diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index ddeeaa9618e..9ff703e521f 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -338,8 +338,7 @@ impl<'tcx> InferCtxt<'tcx> { let bounds = self.tcx.bound_explicit_item_bounds(*def_id); - for predicate in bounds.transpose_iter().map(|e| e.map_bound(|(p, _)| *p)) { - let predicate = predicate.subst(self.tcx, substs); + for (predicate, _) in bounds.subst_iter_copied(self.tcx, substs) { let output = predicate .kind() .map_bound(|kind| match kind { @@ -2272,6 +2271,25 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { struct_span_err!(self.tcx.sess, span, E0580, "{}", failure_str) } FailureCode::Error0308(failure_str) => { + fn escape_literal(s: &str) -> String { + let mut escaped = String::with_capacity(s.len()); + let mut chrs = s.chars().peekable(); + while let Some(first) = chrs.next() { + match (first, chrs.peek()) { + ('\\', Some(&delim @ '"') | Some(&delim @ '\'')) => { + escaped.push('\\'); + escaped.push(delim); + chrs.next(); + } + ('"' | '\'', _) => { + escaped.push('\\'); + escaped.push(first) + } + (c, _) => escaped.push(c), + }; + } + escaped + } let mut err = struct_span_err!(self.tcx.sess, span, E0308, "{}", failure_str); if let Some((expected, found)) = trace.values.ty() { match (expected.kind(), found.kind()) { @@ -2293,7 +2311,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err.span_suggestion( span, "if you meant to write a `char` literal, use single quotes", - format!("'{}'", code), + format!("'{}'", escape_literal(code)), Applicability::MachineApplicable, ); } @@ -2308,7 +2326,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { err.span_suggestion( span, "if you meant to write a `str` literal, use double quotes", - format!("\"{}\"", code), + format!("\"{}\"", escape_literal(code)), Applicability::MachineApplicable, ); } diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs index 1410e2b63b0..c5f2a1a3f7d 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/mismatched_static_lifetime.rs @@ -2,7 +2,9 @@ //! to hold. use crate::errors::{note_and_explain, IntroducesStaticBecauseUnmetLifetimeReq}; -use crate::errors::{ImplNote, MismatchedStaticLifetime, TraitSubdiag}; +use crate::errors::{ + DoesNotOutliveStaticFromImpl, ImplicitStaticLifetimeSubdiag, MismatchedStaticLifetime, +}; use crate::infer::error_reporting::nice_region_error::NiceRegionError; use crate::infer::lexical_region_resolve::RegionResolutionError; use crate::infer::{SubregionOrigin, TypeTrace}; @@ -56,7 +58,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { note_and_explain::SuffixKind::Continues, ); let mut impl_span = None; - let mut trait_subdiags = Vec::new(); + let mut implicit_static_lifetimes = Vec::new(); if let Some(impl_node) = self.tcx().hir().get_if_local(*impl_def_id) { // If an impl is local, then maybe this isn't what they want. Try to // be as helpful as possible with implicit lifetimes. @@ -90,10 +92,12 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { // Otherwise, point at all implicit static lifetimes for span in &traits { - trait_subdiags.push(TraitSubdiag::Note { span: *span }); + implicit_static_lifetimes + .push(ImplicitStaticLifetimeSubdiag::Note { span: *span }); // It would be nice to put this immediately under the above note, but they get // pushed to the end. - trait_subdiags.push(TraitSubdiag::Sugg { span: span.shrink_to_hi() }); + implicit_static_lifetimes + .push(ImplicitStaticLifetimeSubdiag::Sugg { span: span.shrink_to_hi() }); } } } else { @@ -105,8 +109,10 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { cause_span: cause.span, unmet_lifetime_reqs: multispan_subdiag, expl, - impl_note: ImplNote { impl_span }, - trait_subdiags, + does_not_outlive_static_from_impl: impl_span + .map(|span| DoesNotOutliveStaticFromImpl::Spanned { span }) + .unwrap_or(DoesNotOutliveStaticFromImpl::Unspanned), + implicit_static_lifetimes, }; let reported = self.tcx().sess.emit_err(err); Some(reported) diff --git a/compiler/rustc_infer/src/infer/error_reporting/note.rs b/compiler/rustc_infer/src/infer/error_reporting/note.rs index a04245a23a2..41b115f3377 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note.rs @@ -19,26 +19,27 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { expected_found: self.values_str(trace.values), } .add_to_diagnostic(err), - infer::Reborrow(span) => RegionOriginNote::Plain { span, msg: fluent::infer::reborrow } - .add_to_diagnostic(err), + infer::Reborrow(span) => { + RegionOriginNote::Plain { span, msg: fluent::infer_reborrow }.add_to_diagnostic(err) + } infer::ReborrowUpvar(span, ref upvar_id) => { let var_name = self.tcx.hir().name(upvar_id.var_path.hir_id); RegionOriginNote::WithName { span, - msg: fluent::infer::reborrow, + msg: fluent::infer_reborrow, name: &var_name.to_string(), continues: false, } .add_to_diagnostic(err); } infer::RelateObjectBound(span) => { - RegionOriginNote::Plain { span, msg: fluent::infer::relate_object_bound } + RegionOriginNote::Plain { span, msg: fluent::infer_relate_object_bound } .add_to_diagnostic(err); } infer::DataBorrowed(ty, span) => { RegionOriginNote::WithName { span, - msg: fluent::infer::data_borrowed, + msg: fluent::infer_data_borrowed, name: &self.ty_to_string(ty), continues: false, } @@ -47,7 +48,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::ReferenceOutlivesReferent(ty, span) => { RegionOriginNote::WithName { span, - msg: fluent::infer::reference_outlives_referent, + msg: fluent::infer_reference_outlives_referent, name: &self.ty_to_string(ty), continues: false, } @@ -56,22 +57,22 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::RelateParamBound(span, ty, opt_span) => { RegionOriginNote::WithName { span, - msg: fluent::infer::relate_param_bound, + msg: fluent::infer_relate_param_bound, name: &self.ty_to_string(ty), continues: opt_span.is_some(), } .add_to_diagnostic(err); if let Some(span) = opt_span { - RegionOriginNote::Plain { span, msg: fluent::infer::relate_param_bound_2 } + RegionOriginNote::Plain { span, msg: fluent::infer_relate_param_bound_2 } .add_to_diagnostic(err); } } infer::RelateRegionParamBound(span) => { - RegionOriginNote::Plain { span, msg: fluent::infer::relate_region_param_bound } + RegionOriginNote::Plain { span, msg: fluent::infer_relate_region_param_bound } .add_to_diagnostic(err); } infer::CompareImplItemObligation { span, .. } => { - RegionOriginNote::Plain { span, msg: fluent::infer::compare_impl_item_obligation } + RegionOriginNote::Plain { span, msg: fluent::infer_compare_impl_item_obligation } .add_to_diagnostic(err); } infer::CheckAssociatedTypeBounds { ref parent, .. } => { @@ -80,7 +81,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { infer::AscribeUserTypeProvePredicate(span) => { RegionOriginNote::Plain { span, - msg: fluent::infer::ascribe_user_type_prove_predicate, + msg: fluent::infer_ascribe_user_type_prove_predicate, } .add_to_diagnostic(err); } diff --git a/compiler/rustc_infer/src/infer/opaque_types.rs b/compiler/rustc_infer/src/infer/opaque_types.rs index 77e8f72aefa..0a4ecc4c033 100644 --- a/compiler/rustc_infer/src/infer/opaque_types.rs +++ b/compiler/rustc_infer/src/infer/opaque_types.rs @@ -1,6 +1,7 @@ use crate::errors::OpaqueHiddenTypeDiag; use crate::infer::{DefiningAnchor, InferCtxt, InferOk}; use crate::traits; +use hir::def::DefKind; use hir::def_id::{DefId, LocalDefId}; use hir::{HirId, OpaqueTyOrigin}; use rustc_data_structures::sync::Lrc; @@ -543,16 +544,18 @@ impl<'tcx> InferCtxt<'tcx> { let item_bounds = tcx.bound_explicit_item_bounds(def_id.to_def_id()); - for predicate in item_bounds.transpose_iter().map(|e| e.map_bound(|(p, _)| *p)) { - debug!(?predicate); - let predicate = predicate.subst(tcx, substs); - + for (predicate, _) in item_bounds.subst_iter_copied(tcx, substs) { let predicate = predicate.fold_with(&mut BottomUpFolder { tcx, ty_op: |ty| match *ty.kind() { // We can't normalize associated types from `rustc_infer`, // but we can eagerly register inference variables for them. - ty::Projection(projection_ty) if !projection_ty.has_escaping_bound_vars() => { + // FIXME(RPITIT): Don't replace RPITITs with inference vars. + ty::Projection(projection_ty) + if !projection_ty.has_escaping_bound_vars() + && tcx.def_kind(projection_ty.item_def_id) + != DefKind::ImplTraitPlaceholder => + { self.infer_projection( param_env, projection_ty, @@ -568,6 +571,12 @@ impl<'tcx> InferCtxt<'tcx> { { hidden_ty } + // FIXME(RPITIT): This can go away when we move to associated types + ty::Projection(proj) + if def_id.to_def_id() == proj.item_def_id && substs == proj.substs => + { + hidden_ty + } _ => ty, }, lt_op: |lt| lt, diff --git a/compiler/rustc_interface/Cargo.toml b/compiler/rustc_interface/Cargo.toml index f0cb861c782..6a4c5b4d373 100644 --- a/compiler/rustc_interface/Cargo.toml +++ b/compiler/rustc_interface/Cargo.toml @@ -38,6 +38,7 @@ rustc_mir_transform = { path = "../rustc_mir_transform" } rustc_monomorphize = { path = "../rustc_monomorphize" } rustc_passes = { path = "../rustc_passes" } rustc_hir_analysis = { path = "../rustc_hir_analysis" } +rustc_hir_typeck = { path = "../rustc_hir_typeck" } rustc_lint = { path = "../rustc_lint" } rustc_errors = { path = "../rustc_errors" } rustc_plugin_impl = { path = "../rustc_plugin_impl" } diff --git a/compiler/rustc_interface/src/errors.rs b/compiler/rustc_interface/src/errors.rs index 097640f26c1..f5135c78dc8 100644 --- a/compiler/rustc_interface/src/errors.rs +++ b/compiler/rustc_interface/src/errors.rs @@ -5,7 +5,7 @@ use std::io; use std::path::Path; #[derive(Diagnostic)] -#[diag(interface::ferris_identifier)] +#[diag(interface_ferris_identifier)] pub struct FerrisIdentifier { #[primary_span] pub spans: Vec<Span>, @@ -14,7 +14,7 @@ pub struct FerrisIdentifier { } #[derive(Diagnostic)] -#[diag(interface::emoji_identifier)] +#[diag(interface_emoji_identifier)] pub struct EmojiIdentifier { #[primary_span] pub spans: Vec<Span>, @@ -22,67 +22,67 @@ pub struct EmojiIdentifier { } #[derive(Diagnostic)] -#[diag(interface::mixed_bin_crate)] +#[diag(interface_mixed_bin_crate)] pub struct MixedBinCrate; #[derive(Diagnostic)] -#[diag(interface::mixed_proc_macro_crate)] +#[diag(interface_mixed_proc_macro_crate)] pub struct MixedProcMacroCrate; #[derive(Diagnostic)] -#[diag(interface::proc_macro_doc_without_arg)] +#[diag(interface_proc_macro_doc_without_arg)] pub struct ProcMacroDocWithoutArg; #[derive(Diagnostic)] -#[diag(interface::error_writing_dependencies)] +#[diag(interface_error_writing_dependencies)] pub struct ErrorWritingDependencies<'a> { pub path: &'a Path, pub error: io::Error, } #[derive(Diagnostic)] -#[diag(interface::input_file_would_be_overwritten)] +#[diag(interface_input_file_would_be_overwritten)] pub struct InputFileWouldBeOverWritten<'a> { pub path: &'a Path, } #[derive(Diagnostic)] -#[diag(interface::generated_file_conflicts_with_directory)] +#[diag(interface_generated_file_conflicts_with_directory)] pub struct GeneratedFileConflictsWithDirectory<'a> { pub input_path: &'a Path, pub dir_path: &'a Path, } #[derive(Diagnostic)] -#[diag(interface::temps_dir_error)] +#[diag(interface_temps_dir_error)] pub struct TempsDirError; #[derive(Diagnostic)] -#[diag(interface::out_dir_error)] +#[diag(interface_out_dir_error)] pub struct OutDirError; #[derive(Diagnostic)] -#[diag(interface::cant_emit_mir)] +#[diag(interface_cant_emit_mir)] pub struct CantEmitMIR { pub error: io::Error, } #[derive(Diagnostic)] -#[diag(interface::rustc_error_fatal)] +#[diag(interface_rustc_error_fatal)] pub struct RustcErrorFatal { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(interface::rustc_error_unexpected_annotation)] +#[diag(interface_rustc_error_unexpected_annotation)] pub struct RustcErrorUnexpectedAnnotation { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(interface::failed_writing_file)] +#[diag(interface_failed_writing_file)] pub struct FailedWritingFile<'a> { pub path: &'a Path, pub error: io::Error, diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs index 8fd4224ca38..a47c3e3253e 100644 --- a/compiler/rustc_interface/src/passes.rs +++ b/compiler/rustc_interface/src/passes.rs @@ -736,6 +736,7 @@ pub static DEFAULT_QUERY_PROVIDERS: LazyLock<Providers> = LazyLock::new(|| { rustc_monomorphize::provide(providers); rustc_privacy::provide(providers); rustc_hir_analysis::provide(providers); + rustc_hir_typeck::provide(providers); ty::provide(providers); traits::provide(providers); rustc_passes::provide(providers); diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs index da3102ba7b0..eb8e65a6d59 100644 --- a/compiler/rustc_interface/src/tests.rs +++ b/compiler/rustc_interface/src/tests.rs @@ -648,6 +648,7 @@ fn test_unstable_options_tracking_hash() { untracked!(dump_mir_dir, String::from("abc")); untracked!(dump_mir_exclude_pass_number, true); untracked!(dump_mir_graphviz, true); + untracked!(dylib_lto, true); untracked!(emit_stack_sizes, true); untracked!(future_incompat_test, true); untracked!(hir_stats, true); diff --git a/compiler/rustc_lint/src/array_into_iter.rs b/compiler/rustc_lint/src/array_into_iter.rs index bd6b637f76f..abebc533cc1 100644 --- a/compiler/rustc_lint/src/array_into_iter.rs +++ b/compiler/rustc_lint/src/array_into_iter.rs @@ -121,25 +121,25 @@ impl<'tcx> LateLintPass<'tcx> for ArrayIntoIter { cx.struct_span_lint( ARRAY_INTO_ITER, call.ident.span, - fluent::lint::array_into_iter, + fluent::lint_array_into_iter, |diag| { diag.set_arg("target", target); diag.span_suggestion( call.ident.span, - fluent::lint::use_iter_suggestion, + fluent::use_iter_suggestion, "iter", Applicability::MachineApplicable, ); if self.for_expr_span == expr.span { diag.span_suggestion( receiver_arg.span.shrink_to_hi().to(expr.span.shrink_to_hi()), - fluent::lint::remove_into_iter_suggestion, + fluent::remove_into_iter_suggestion, "", Applicability::MaybeIncorrect, ); } else if receiver_ty.is_array() { diag.multipart_suggestion( - fluent::lint::use_explicit_into_iter_suggestion, + fluent::use_explicit_into_iter_suggestion, vec![ (expr.span.shrink_to_lo(), "IntoIterator::into_iter(".into()), ( diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 886e25f2d78..53c49105134 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -106,11 +106,11 @@ impl EarlyLintPass for WhileTrue { cx.struct_span_lint( WHILE_TRUE, condition_span, - fluent::lint::builtin_while_true, + fluent::lint_builtin_while_true, |lint| { lint.span_suggestion_short( condition_span, - fluent::lint::suggestion, + fluent::suggestion, format!( "{}loop", label.map_or_else(String::new, |label| format!( @@ -160,7 +160,7 @@ impl BoxPointers { cx.struct_span_lint( BOX_POINTERS, span, - fluent::lint::builtin_box_pointers, + fluent::lint_builtin_box_pointers, |lint| lint.set_arg("ty", ty), ); } @@ -264,13 +264,13 @@ impl<'tcx> LateLintPass<'tcx> for NonShorthandFieldPatterns { cx.struct_span_lint( NON_SHORTHAND_FIELD_PATTERNS, fieldpat.span, - fluent::lint::builtin_non_shorthand_field_patterns, + fluent::lint_builtin_non_shorthand_field_patterns, |lint| { let suggested_ident = format!("{}{}", binding_annot.prefix_str(), ident); lint.set_arg("ident", ident.clone()).span_suggestion( fieldpat.span, - fluent::lint::suggestion, + fluent::suggestion, suggested_ident, Applicability::MachineApplicable, ) @@ -335,7 +335,7 @@ impl UnsafeCode { msg: DiagnosticMessage, ) { self.report_unsafe(cx, span, msg, |lint| { - lint.note(fluent::lint::builtin_overridden_symbol_name) + lint.note(fluent::lint_builtin_overridden_symbol_name) }) } @@ -346,7 +346,7 @@ impl UnsafeCode { msg: DiagnosticMessage, ) { self.report_unsafe(cx, span, msg, |lint| { - lint.note(fluent::lint::builtin_overridden_symbol_section) + lint.note(fluent::lint_builtin_overridden_symbol_section) }) } } @@ -354,12 +354,9 @@ 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, - fluent::lint::builtin_allow_internal_unsafe, - |lint| lint, - ); + self.report_unsafe(cx, attr.span, fluent::lint_builtin_allow_internal_unsafe, |lint| { + lint + }); } } @@ -367,7 +364,7 @@ impl EarlyLintPass for UnsafeCode { if let ast::ExprKind::Block(ref blk, _) = e.kind { // Don't warn about generated blocks; that'll just pollute the output. if blk.rules == ast::BlockCheckMode::Unsafe(ast::UserProvided) { - self.report_unsafe(cx, blk.span, fluent::lint::builtin_unsafe_block, |lint| lint); + self.report_unsafe(cx, blk.span, fluent::lint_builtin_unsafe_block, |lint| lint); } } } @@ -375,11 +372,11 @@ impl EarlyLintPass for UnsafeCode { fn check_item(&mut self, cx: &EarlyContext<'_>, it: &ast::Item) { match it.kind { ast::ItemKind::Trait(box ast::Trait { unsafety: ast::Unsafe::Yes(_), .. }) => { - self.report_unsafe(cx, it.span, fluent::lint::builtin_unsafe_trait, |lint| lint) + self.report_unsafe(cx, it.span, fluent::lint_builtin_unsafe_trait, |lint| lint) } ast::ItemKind::Impl(box ast::Impl { unsafety: ast::Unsafe::Yes(_), .. }) => { - self.report_unsafe(cx, it.span, fluent::lint::builtin_unsafe_impl, |lint| lint) + self.report_unsafe(cx, it.span, fluent::lint_builtin_unsafe_impl, |lint| lint) } ast::ItemKind::Fn(..) => { @@ -387,7 +384,7 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_name( cx, attr.span, - fluent::lint::builtin_no_mangle_fn, + fluent::lint_builtin_no_mangle_fn, ); } @@ -395,7 +392,7 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_name( cx, attr.span, - fluent::lint::builtin_export_name_fn, + fluent::lint_builtin_export_name_fn, ); } @@ -403,7 +400,7 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_section( cx, attr.span, - fluent::lint::builtin_link_section_fn, + fluent::lint_builtin_link_section_fn, ); } } @@ -413,7 +410,7 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_name( cx, attr.span, - fluent::lint::builtin_no_mangle_static, + fluent::lint_builtin_no_mangle_static, ); } @@ -421,7 +418,7 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_name( cx, attr.span, - fluent::lint::builtin_export_name_static, + fluent::lint_builtin_export_name_static, ); } @@ -429,7 +426,7 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_section( cx, attr.span, - fluent::lint::builtin_link_section_static, + fluent::lint_builtin_link_section_static, ); } } @@ -444,14 +441,14 @@ impl EarlyLintPass for UnsafeCode { self.report_overridden_symbol_name( cx, attr.span, - fluent::lint::builtin_no_mangle_method, + fluent::lint_builtin_no_mangle_method, ); } if let Some(attr) = cx.sess().find_by_name(&it.attrs, sym::export_name) { self.report_overridden_symbol_name( cx, attr.span, - fluent::lint::builtin_export_name_method, + fluent::lint_builtin_export_name_method, ); } } @@ -469,9 +466,9 @@ impl EarlyLintPass for UnsafeCode { { let msg = match ctxt { FnCtxt::Foreign => return, - FnCtxt::Free => fluent::lint::builtin_decl_unsafe_fn, - FnCtxt::Assoc(_) if body.is_none() => fluent::lint::builtin_decl_unsafe_method, - FnCtxt::Assoc(_) => fluent::lint::builtin_impl_unsafe_method, + FnCtxt::Free => fluent::lint_builtin_decl_unsafe_fn, + FnCtxt::Assoc(_) if body.is_none() => fluent::lint_builtin_decl_unsafe_method, + FnCtxt::Assoc(_) => fluent::lint_builtin_impl_unsafe_method, }; self.report_unsafe(cx, span, msg, |lint| lint); } @@ -577,7 +574,7 @@ impl MissingDoc { cx.struct_span_lint( MISSING_DOCS, cx.tcx.def_span(def_id), - fluent::lint::builtin_missing_doc, + fluent::lint_builtin_missing_doc, |lint| lint.set_arg("article", article).set_arg("desc", desc), ); } @@ -769,7 +766,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingCopyImplementations { cx.struct_span_lint( MISSING_COPY_IMPLEMENTATIONS, item.span, - fluent::lint::builtin_missing_copy_impl, + fluent::lint_builtin_missing_copy_impl, |lint| lint, ) } @@ -848,7 +845,7 @@ impl<'tcx> LateLintPass<'tcx> for MissingDebugImplementations { cx.struct_span_lint( MISSING_DEBUG_IMPLEMENTATIONS, item.span, - fluent::lint::builtin_missing_debug_impl, + fluent::lint_builtin_missing_debug_impl, |lint| lint.set_arg("debug", cx.tcx.def_path_str(debug)), ); } @@ -928,11 +925,11 @@ impl EarlyLintPass for AnonymousParameters { cx.struct_span_lint( ANONYMOUS_PARAMETERS, arg.pat.span, - fluent::lint::builtin_anonymous_params, + fluent::lint_builtin_anonymous_params, |lint| { lint.span_suggestion( arg.pat.span, - fluent::lint::suggestion, + fluent::suggestion, format!("_: {}", ty_snip), appl, ) @@ -976,7 +973,7 @@ impl EarlyLintPass for DeprecatedAttr { cx.struct_span_lint( DEPRECATED, attr.span, - fluent::lint::builtin_deprecated_attr_link, + fluent::lint_builtin_deprecated_attr_link, |lint| { lint.set_arg("name", name) .set_arg("reason", reason) @@ -984,7 +981,7 @@ impl EarlyLintPass for DeprecatedAttr { .span_suggestion_short( attr.span, suggestion.map(|s| s.into()).unwrap_or( - fluent::lint::builtin_deprecated_attr_default_suggestion, + fluent::lint_builtin_deprecated_attr_default_suggestion, ), "", Applicability::MachineApplicable, @@ -999,12 +996,12 @@ impl EarlyLintPass for DeprecatedAttr { cx.struct_span_lint( DEPRECATED, attr.span, - fluent::lint::builtin_deprecated_attr_used, + fluent::lint_builtin_deprecated_attr_used, |lint| { lint.set_arg("name", pprust::path_to_string(&attr.get_normal_item().path)) .span_suggestion_short( attr.span, - fluent::lint::builtin_deprecated_attr_default_suggestion, + fluent::lint_builtin_deprecated_attr_default_suggestion, "", Applicability::MachineApplicable, ) @@ -1039,14 +1036,14 @@ fn warn_if_doc(cx: &EarlyContext<'_>, node_span: Span, node_kind: &str, attrs: & cx.struct_span_lint( UNUSED_DOC_COMMENTS, span, - fluent::lint::builtin_unused_doc_comment, + fluent::lint_builtin_unused_doc_comment, |lint| { - lint.set_arg("kind", node_kind).span_label(node_span, fluent::lint::label).help( + lint.set_arg("kind", node_kind).span_label(node_span, fluent::label).help( match attr.kind { AttrKind::DocComment(CommentKind::Line, _) | AttrKind::Normal(..) => { - fluent::lint::plain_help + fluent::plain_help } - AttrKind::DocComment(CommentKind::Block, _) => fluent::lint::block_help, + AttrKind::DocComment(CommentKind::Block, _) => fluent::block_help, }, ) }, @@ -1167,11 +1164,11 @@ impl<'tcx> LateLintPass<'tcx> for InvalidNoMangleItems { cx.struct_span_lint( NO_MANGLE_GENERIC_ITEMS, span, - fluent::lint::builtin_no_mangle_generic, + fluent::lint_builtin_no_mangle_generic, |lint| { lint.span_suggestion_short( no_mangle_attr.span, - fluent::lint::suggestion, + fluent::suggestion, "", // Use of `#[no_mangle]` suggests FFI intent; correct // fix may be to monomorphize source by hand @@ -1197,7 +1194,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidNoMangleItems { cx.struct_span_lint( NO_MANGLE_CONST_ITEMS, it.span, - fluent::lint::builtin_const_no_mangle, + fluent::lint_builtin_const_no_mangle, |lint| { // account for "pub const" (#45562) let start = cx @@ -1211,7 +1208,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidNoMangleItems { let const_span = it.span.with_hi(BytePos(it.span.lo().0 + start + 5)); lint.span_suggestion( const_span, - fluent::lint::suggestion, + fluent::suggestion, "pub static", Applicability::MachineApplicable, ) @@ -1279,7 +1276,7 @@ impl<'tcx> LateLintPass<'tcx> for MutableTransmutes { cx.struct_span_lint( MUTABLE_TRANSMUTES, expr.span, - fluent::lint::builtin_mutable_transmutes, + fluent::lint_builtin_mutable_transmutes, |lint| lint, ); } @@ -1332,7 +1329,7 @@ impl<'tcx> LateLintPass<'tcx> for UnstableFeatures { cx.struct_span_lint( UNSTABLE_FEATURES, item.span(), - fluent::lint::builtin_unstable_features, + fluent::lint_builtin_unstable_features, |lint| lint, ); } @@ -1396,18 +1393,13 @@ impl UnreachablePub { cx.struct_span_lint( UNREACHABLE_PUB, def_span, - fluent::lint::builtin_unreachable_pub, + fluent::lint_builtin_unreachable_pub, |lint| { lint.set_arg("what", what); - lint.span_suggestion( - vis_span, - fluent::lint::suggestion, - "pub(crate)", - applicability, - ); + lint.span_suggestion(vis_span, fluent::suggestion, "pub(crate)", applicability); if exportable { - lint.help(fluent::lint::help); + lint.help(fluent::help); } lint }, @@ -1498,7 +1490,7 @@ impl TypeAliasBounds { impl Visitor<'_> for WalkAssocTypes<'_> { fn visit_qpath(&mut self, qpath: &hir::QPath<'_>, id: hir::HirId, span: Span) { if TypeAliasBounds::is_type_variable_assoc(qpath) { - self.err.span_help(span, fluent::lint::builtin_type_alias_bounds_help); + self.err.span_help(span, fluent::lint_builtin_type_alias_bounds_help); } intravisit::walk_qpath(self, qpath, id) } @@ -1541,11 +1533,11 @@ impl<'tcx> LateLintPass<'tcx> for TypeAliasBounds { let mut suggested_changing_assoc_types = false; if !where_spans.is_empty() { - cx.lint(TYPE_ALIAS_BOUNDS, fluent::lint::builtin_type_alias_where_clause, |lint| { + cx.lint(TYPE_ALIAS_BOUNDS, fluent::lint_builtin_type_alias_where_clause, |lint| { lint.set_span(where_spans); lint.span_suggestion( type_alias_generics.where_clause_span, - fluent::lint::suggestion, + fluent::suggestion, "", Applicability::MachineApplicable, ); @@ -1558,10 +1550,10 @@ impl<'tcx> LateLintPass<'tcx> for TypeAliasBounds { } if !inline_spans.is_empty() { - cx.lint(TYPE_ALIAS_BOUNDS, fluent::lint::builtin_type_alias_generic_bounds, |lint| { + cx.lint(TYPE_ALIAS_BOUNDS, fluent::lint_builtin_type_alias_generic_bounds, |lint| { lint.set_span(inline_spans); lint.multipart_suggestion( - fluent::lint::suggestion, + fluent::suggestion, inline_sugg, Applicability::MachineApplicable, ); @@ -1670,7 +1662,7 @@ impl<'tcx> LateLintPass<'tcx> for TrivialConstraints { cx.struct_span_lint( TRIVIAL_BOUNDS, span, - fluent::lint::builtin_trivial_bounds, + fluent::lint_builtin_trivial_bounds, |lint| { lint.set_arg("predicate_kind_name", predicate_kind_name) .set_arg("predicate", predicate) @@ -1775,8 +1767,8 @@ impl EarlyLintPass for EllipsisInclusiveRangePatterns { }; if let Some((start, end, join)) = endpoints { - let msg = fluent::lint::builtin_ellipsis_inclusive_range_patterns; - let suggestion = fluent::lint::suggestion; + let msg = fluent::lint_builtin_ellipsis_inclusive_range_patterns; + let suggestion = fluent::suggestion; if parenthesise { self.node_id = Some(pat.id); let end = expr_to_string(&end); @@ -1899,7 +1891,7 @@ impl<'tcx> LateLintPass<'tcx> for UnnameableTestItems { cx.struct_span_lint( UNNAMEABLE_TEST_ITEMS, attr.span, - fluent::lint::builtin_unnameable_test_items, + fluent::lint_builtin_unnameable_test_items, |lint| lint, ); } @@ -2020,11 +2012,11 @@ impl KeywordIdents { cx.struct_span_lint( KEYWORD_IDENTS, ident.span, - fluent::lint::builtin_keyword_idents, + fluent::lint_builtin_keyword_idents, |lint| { lint.set_arg("kw", ident.clone()).set_arg("next", next_edition).span_suggestion( ident.span, - fluent::lint::suggestion, + fluent::suggestion, format!("r#{}", ident), Applicability::MachineApplicable, ) @@ -2283,10 +2275,10 @@ impl<'tcx> LateLintPass<'tcx> for ExplicitOutlivesRequirements { cx.struct_span_lint( EXPLICIT_OUTLIVES_REQUIREMENTS, lint_spans.clone(), - fluent::lint::builtin_explicit_outlives, + fluent::lint_builtin_explicit_outlives, |lint| { lint.set_arg("count", bound_count).multipart_suggestion( - fluent::lint::suggestion, + fluent::suggestion, lint_spans .into_iter() .map(|span| (span, String::new())) @@ -2344,17 +2336,17 @@ impl EarlyLintPass for IncompleteFeatures { cx.struct_span_lint( INCOMPLETE_FEATURES, span, - fluent::lint::builtin_incomplete_features, + fluent::lint_builtin_incomplete_features, |lint| { lint.set_arg("name", name); if let Some(n) = rustc_feature::find_feature_issue(name, GateIssue::Language) { lint.set_arg("n", n); - lint.note(fluent::lint::note); + lint.note(fluent::note); } if HAS_MIN_FEATURES.contains(&name) { - lint.help(fluent::lint::help); + lint.help(fluent::help); } lint }, @@ -2467,42 +2459,6 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { None } - /// Determines whether the given type is inhabited. `None` means that we don't know. - fn ty_inhabited<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<bool> { - use rustc_type_ir::sty::TyKind::*; - if !cx.tcx.type_uninhabited_from(cx.param_env.and(ty)).is_empty() { - // This is definitely uninhabited from some module. - return Some(false); - } - match ty.kind() { - Never => Some(false), - Int(_) | Uint(_) | Float(_) | Bool | Char | RawPtr(_) => Some(true), - // Fallback for more complicated types. (Note that `&!` might be considered - // uninhabited so references are "complicated", too.) - _ => None, - } - } - /// Determines whether a product type formed from a list of types is inhabited. - fn tys_inhabited<'tcx>( - cx: &LateContext<'tcx>, - tys: impl Iterator<Item = Ty<'tcx>>, - ) -> Option<bool> { - let mut definitely_inhabited = true; // with no fields, we are definitely inhabited. - for ty in tys { - match ty_inhabited(cx, ty) { - // If any type is uninhabited, the product is uninhabited. - Some(false) => return Some(false), - // Otherwise go searching for a `None`. - None => { - // We don't know. - definitely_inhabited = false; - } - Some(true) => {} - } - } - if definitely_inhabited { Some(true) } else { None } - } - fn variant_find_init_error<'tcx>( cx: &LateContext<'tcx>, variant: &VariantDef, @@ -2570,7 +2526,10 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { // return `Bound::Excluded`. (And we have tests checking that we // handle the attribute correctly.) // We don't add a span since users cannot declare such types anyway. - (Bound::Included(lo), _) if lo > 0 => { + (Bound::Included(lo), Bound::Included(hi)) if 0 < lo && lo < hi => { + return Some((format!("`{}` must be non-null", ty), None)); + } + (Bound::Included(lo), Bound::Unbounded) if 0 < lo => { return Some((format!("`{}` must be non-null", ty), None)); } (Bound::Included(_), _) | (_, Bound::Included(_)) @@ -2599,11 +2558,11 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue { // And now, enums. let span = cx.tcx.def_span(adt_def.did()); let mut potential_variants = adt_def.variants().iter().filter_map(|variant| { - let inhabited = tys_inhabited( - cx, - variant.fields.iter().map(|field| field.ty(cx.tcx, substs)), - ); - let definitely_inhabited = match inhabited { + let definitely_inhabited = match variant + .inhabited_predicate(cx.tcx, *adt_def) + .subst(cx.tcx, substs) + .apply_any_module(cx.tcx, cx.param_env) + { // Entirely skip uninhbaited variants. Some(false) => return None, // Forward the others, but remember which ones are definitely inhabited. @@ -3051,9 +3010,9 @@ impl<'tcx> LateLintPass<'tcx> for ClashingExternDeclarations { // Finally, emit the diagnostic. let msg = if orig.get_name() == this_fi.ident.name { - fluent::lint::builtin_clashing_extern_same_name + fluent::lint_builtin_clashing_extern_same_name } else { - fluent::lint::builtin_clashing_extern_diff_name + fluent::lint_builtin_clashing_extern_diff_name }; tcx.struct_span_lint_hir( CLASHING_EXTERN_DECLARATIONS, @@ -3068,14 +3027,8 @@ impl<'tcx> LateLintPass<'tcx> for ClashingExternDeclarations { lint.set_arg("this_fi", this_fi.ident.name) .set_arg("orig", orig.get_name()) - .span_label( - get_relevant_span(orig_fi), - fluent::lint::previous_decl_label, - ) - .span_label( - get_relevant_span(this_fi), - fluent::lint::mismatch_label, - ) + .span_label(get_relevant_span(orig_fi), fluent::previous_decl_label) + .span_label(get_relevant_span(this_fi), fluent::mismatch_label) // FIXME(davidtwco): translatable expected/found .note_expected_found(&"", expected_str, &"", found_str) }, @@ -3161,8 +3114,8 @@ impl<'tcx> LateLintPass<'tcx> for DerefNullPtr { cx.struct_span_lint( DEREF_NULLPTR, expr.span, - fluent::lint::builtin_deref_nullptr, - |lint| lint.span_label(expr.span, fluent::lint::label), + fluent::lint_builtin_deref_nullptr, + |lint| lint.span_label(expr.span, fluent::label), ); } } @@ -3176,6 +3129,7 @@ declare_lint! { /// ### Example /// /// ```rust,compile_fail + /// # #![feature(asm_experimental_arch)] /// use std::arch::asm; /// /// fn main() { @@ -3273,7 +3227,7 @@ impl<'tcx> LateLintPass<'tcx> for NamedAsmLabels { cx.lookup_with_diagnostics( NAMED_ASM_LABELS, Some(target_spans), - fluent::lint::builtin_asm_labels, + fluent::lint_builtin_asm_labels, |lint| lint, BuiltinLintDiagnostics::NamedAsmLabel( "only local labels of the form `<number>:` should be used in inline asm" @@ -3376,8 +3330,8 @@ impl EarlyLintPass for UnexpectedCfgs { cx.lookup( UNEXPECTED_CFGS, None::<MultiSpan>, - fluent::lint::builtin_unexpected_cli_config_name, - |diag| diag.help(fluent::lint::help).set_arg("name", name), + fluent::lint_builtin_unexpected_cli_config_name, + |diag| diag.help(fluent::help).set_arg("name", name), ); } } @@ -3387,9 +3341,9 @@ impl EarlyLintPass for UnexpectedCfgs { cx.lookup( UNEXPECTED_CFGS, None::<MultiSpan>, - fluent::lint::builtin_unexpected_cli_config_value, + fluent::lint_builtin_unexpected_cli_config_value, |diag| { - diag.help(fluent::lint::help) + diag.help(fluent::help) .set_arg("name", name) .set_arg("value", value) }, diff --git a/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs b/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs index e8d307814b9..f9d7466228a 100644 --- a/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs +++ b/compiler/rustc_lint/src/enum_intrinsics_non_enums.rs @@ -53,8 +53,8 @@ fn enforce_mem_discriminant( cx.struct_span_lint( ENUM_INTRINSICS_NON_ENUMS, expr_span, - fluent::lint::enum_intrinsics_mem_discriminant, - |lint| lint.set_arg("ty_param", ty_param).span_note(args_span, fluent::lint::note), + fluent::lint_enum_intrinsics_mem_discriminant, + |lint| lint.set_arg("ty_param", ty_param).span_note(args_span, fluent::note), ); } } @@ -65,8 +65,8 @@ fn enforce_mem_variant_count(cx: &LateContext<'_>, func_expr: &hir::Expr<'_>, sp cx.struct_span_lint( ENUM_INTRINSICS_NON_ENUMS, span, - fluent::lint::enum_intrinsics_mem_variant, - |lint| lint.set_arg("ty_param", ty_param).note(fluent::lint::note), + fluent::lint_enum_intrinsics_mem_variant, + |lint| lint.set_arg("ty_param", ty_param).note(fluent::note), ); } } diff --git a/compiler/rustc_lint/src/errors.rs b/compiler/rustc_lint/src/errors.rs index 97d012fb611..a49d1bdacc2 100644 --- a/compiler/rustc_lint/src/errors.rs +++ b/compiler/rustc_lint/src/errors.rs @@ -7,7 +7,7 @@ use rustc_session::lint::Level; use rustc_span::{Span, Symbol}; #[derive(Diagnostic)] -#[diag(lint::overruled_attribute, code = "E0453")] +#[diag(lint_overruled_attribute, code = "E0453")] pub struct OverruledAttribute { #[primary_span] pub span: Span, @@ -32,24 +32,24 @@ impl AddToDiagnostic for OverruledAttributeSub { { match self { OverruledAttributeSub::DefaultSource { id } => { - diag.note(fluent::lint::default_source); + diag.note(fluent::lint_default_source); diag.set_arg("id", id); } OverruledAttributeSub::NodeSource { span, reason } => { - diag.span_label(span, fluent::lint::node_source); + diag.span_label(span, fluent::lint_node_source); if let Some(rationale) = reason { diag.note(rationale.as_str()); } } OverruledAttributeSub::CommandLineSource => { - diag.note(fluent::lint::command_line_source); + diag.note(fluent::lint_command_line_source); } } } } #[derive(Diagnostic)] -#[diag(lint::malformed_attribute, code = "E0452")] +#[diag(lint_malformed_attribute, code = "E0452")] pub struct MalformedAttribute { #[primary_span] pub span: Span, @@ -59,16 +59,16 @@ pub struct MalformedAttribute { #[derive(Subdiagnostic)] pub enum MalformedAttributeSub { - #[label(lint::bad_attribute_argument)] + #[label(lint_bad_attribute_argument)] BadAttributeArgument(#[primary_span] Span), - #[label(lint::reason_must_be_string_literal)] + #[label(lint_reason_must_be_string_literal)] ReasonMustBeStringLiteral(#[primary_span] Span), - #[label(lint::reason_must_come_last)] + #[label(lint_reason_must_come_last)] ReasonMustComeLast(#[primary_span] Span), } #[derive(Diagnostic)] -#[diag(lint::unknown_tool_in_scoped_lint, code = "E0710")] +#[diag(lint_unknown_tool_in_scoped_lint, code = "E0710")] pub struct UnknownToolInScopedLint { #[primary_span] pub span: Option<Span>, @@ -79,7 +79,7 @@ pub struct UnknownToolInScopedLint { } #[derive(Diagnostic)] -#[diag(lint::builtin_ellipsis_inclusive_range_patterns, code = "E0783")] +#[diag(lint_builtin_ellipsis_inclusive_range_patterns, code = "E0783")] pub struct BuiltinEllpisisInclusiveRangePatterns { #[primary_span] pub span: Span, @@ -88,36 +88,15 @@ pub struct BuiltinEllpisisInclusiveRangePatterns { pub replace: String, } +#[derive(Subdiagnostic)] +#[note(lint_requested_level)] pub struct RequestedLevel { pub level: Level, pub lint_name: String, } -impl AddToDiagnostic for RequestedLevel { - fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F) - where - F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, - { - diag.note(fluent::lint::requested_level); - diag.set_arg( - "level", - match self.level { - Level::Allow => "-A", - Level::Warn => "-W", - Level::ForceWarn(_) => "--force-warn", - Level::Deny => "-D", - Level::Forbid => "-F", - Level::Expect(_) => { - unreachable!("lints with the level of `expect` should not run this code"); - } - }, - ); - diag.set_arg("lint_name", self.lint_name); - } -} - #[derive(Diagnostic)] -#[diag(lint::unsupported_group, code = "E0602")] +#[diag(lint_unsupported_group, code = "E0602")] pub struct UnsupportedGroup { pub lint_group: String, } @@ -133,10 +112,10 @@ impl IntoDiagnostic<'_> for CheckNameUnknown { self, handler: &Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(fluent::lint::check_name_unknown); + let mut diag = handler.struct_err(fluent::lint_check_name_unknown); diag.code(rustc_errors::error_code!(E0602)); if let Some(suggestion) = self.suggestion { - diag.help(fluent::lint::help); + diag.help(fluent::help); diag.set_arg("suggestion", suggestion); } diag.set_arg("lint_name", self.lint_name); @@ -146,7 +125,7 @@ impl IntoDiagnostic<'_> for CheckNameUnknown { } #[derive(Diagnostic)] -#[diag(lint::check_name_unknown_tool, code = "E0602")] +#[diag(lint_check_name_unknown_tool, code = "E0602")] pub struct CheckNameUnknownTool { pub tool_name: Symbol, #[subdiagnostic] @@ -154,7 +133,7 @@ pub struct CheckNameUnknownTool { } #[derive(Diagnostic)] -#[diag(lint::check_name_warning)] +#[diag(lint_check_name_warning)] pub struct CheckNameWarning { pub msg: String, #[subdiagnostic] @@ -162,7 +141,7 @@ pub struct CheckNameWarning { } #[derive(Diagnostic)] -#[diag(lint::check_name_deprecated)] +#[diag(lint_check_name_deprecated)] pub struct CheckNameDeprecated { pub lint_name: String, pub new_name: String, diff --git a/compiler/rustc_lint/src/expect.rs b/compiler/rustc_lint/src/expect.rs index 4c3c39734dd..cf8f31bcbd0 100644 --- a/compiler/rustc_lint/src/expect.rs +++ b/compiler/rustc_lint/src/expect.rs @@ -45,14 +45,14 @@ fn emit_unfulfilled_expectation_lint( builtin::UNFULFILLED_LINT_EXPECTATIONS, hir_id, expectation.emission_span, - fluent::lint::expectation, + fluent::lint_expectation, |lint| { if let Some(rationale) = expectation.reason { lint.note(rationale.as_str()); } if expectation.is_unfulfilled_lint_expectations { - lint.note(fluent::lint::note); + lint.note(fluent::note); } lint diff --git a/compiler/rustc_lint/src/hidden_unicode_codepoints.rs b/compiler/rustc_lint/src/hidden_unicode_codepoints.rs index 42557068bd3..7e884e990ce 100644 --- a/compiler/rustc_lint/src/hidden_unicode_codepoints.rs +++ b/compiler/rustc_lint/src/hidden_unicode_codepoints.rs @@ -63,12 +63,12 @@ impl HiddenUnicodeCodepoints { cx.struct_span_lint( TEXT_DIRECTION_CODEPOINT_IN_LITERAL, span, - fluent::lint::hidden_unicode_codepoints, + fluent::lint_hidden_unicode_codepoints, |lint| { lint.set_arg("label", label); lint.set_arg("count", spans.len()); - lint.span_label(span, fluent::lint::label); - lint.note(fluent::lint::note); + lint.span_label(span, fluent::label); + lint.note(fluent::note); if point_at_inner_spans { for (c, span) in &spans { lint.span_label(*span, format!("{:?}", c)); @@ -76,13 +76,13 @@ impl HiddenUnicodeCodepoints { } if point_at_inner_spans && !spans.is_empty() { lint.multipart_suggestion_with_style( - fluent::lint::suggestion_remove, + fluent::suggestion_remove, spans.iter().map(|(_, span)| (*span, "".to_string())).collect(), Applicability::MachineApplicable, SuggestionStyle::HideCodeAlways, ); lint.multipart_suggestion( - fluent::lint::suggestion_escape, + fluent::suggestion_escape, spans .into_iter() .map(|(c, span)| { @@ -104,8 +104,8 @@ impl HiddenUnicodeCodepoints { .collect::<Vec<String>>() .join(", "), ); - lint.note(fluent::lint::suggestion_remove); - lint.note(fluent::lint::no_suggestion_note_escape); + lint.note(fluent::suggestion_remove); + lint.note(fluent::no_suggestion_note_escape); } lint }, diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 8f5e38fdbcc..11e4650cb4b 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -37,11 +37,11 @@ impl LateLintPass<'_> for DefaultHashTypes { cx.struct_span_lint( DEFAULT_HASH_TYPES, path.span, - fluent::lint::default_hash_types, + fluent::lint_default_hash_types, |lint| { lint.set_arg("preferred", replace) .set_arg("used", cx.tcx.item_name(def_id)) - .note(fluent::lint::note) + .note(fluent::note) }, ); } @@ -86,8 +86,8 @@ impl LateLintPass<'_> for QueryStability { cx.struct_span_lint( POTENTIAL_QUERY_INSTABILITY, span, - fluent::lint::query_instability, - |lint| lint.set_arg("query", cx.tcx.item_name(def_id)).note(fluent::lint::note), + fluent::lint_query_instability, + |lint| lint.set_arg("query", cx.tcx.item_name(def_id)).note(fluent::note), ) } } @@ -126,11 +126,11 @@ impl<'tcx> LateLintPass<'tcx> for TyTyKind { let span = path.span.with_hi( segment.args.map_or(segment.ident.span, |a| a.span_ext).hi() ); - cx.struct_span_lint(USAGE_OF_TY_TYKIND, path.span, fluent::lint::tykind_kind, |lint| { + cx.struct_span_lint(USAGE_OF_TY_TYKIND, path.span, fluent::lint_tykind_kind, |lint| { lint .span_suggestion( span, - fluent::lint::suggestion, + fluent::suggestion, "ty", Applicability::MaybeIncorrect, // ty maybe needs an import ) @@ -193,10 +193,10 @@ impl<'tcx> LateLintPass<'tcx> for TyTyKind { cx.struct_span_lint( USAGE_OF_TY_TYKIND, path.span, - fluent::lint::tykind_kind, + fluent::lint_tykind_kind, |lint| lint.span_suggestion( span, - fluent::lint::suggestion, + fluent::suggestion, "ty", Applicability::MaybeIncorrect, // ty maybe needs an import ) @@ -205,18 +205,18 @@ impl<'tcx> LateLintPass<'tcx> for TyTyKind { None => cx.struct_span_lint( USAGE_OF_TY_TYKIND, path.span, - fluent::lint::tykind, - |lint| lint.help(fluent::lint::help) + fluent::lint_tykind, + |lint| lint.help(fluent::help) ) } } else if !ty.span.from_expansion() && let Some(t) = is_ty_or_ty_ctxt(cx, &path) { if path.segments.len() > 1 { - cx.struct_span_lint(USAGE_OF_QUALIFIED_TY, path.span, fluent::lint::ty_qualified, |lint| { + cx.struct_span_lint(USAGE_OF_QUALIFIED_TY, path.span, fluent::lint_ty_qualified, |lint| { lint .set_arg("ty", t.clone()) .span_suggestion( path.span, - fluent::lint::suggestion, + fluent::suggestion, t, // The import probably needs to be changed Applicability::MaybeIncorrect, @@ -310,8 +310,8 @@ impl EarlyLintPass for LintPassImpl { cx.struct_span_lint( LINT_PASS_IMPL_WITHOUT_MACRO, lint_pass.path.span, - fluent::lint::lintpass_by_hand, - |lint| lint.help(fluent::lint::help), + fluent::lint_lintpass_by_hand, + |lint| lint.help(fluent::help), ) } } @@ -351,8 +351,8 @@ impl<'tcx> LateLintPass<'tcx> for ExistingDocKeyword { cx.struct_span_lint( EXISTING_DOC_KEYWORD, attr.span, - fluent::lint::non_existant_doc_keyword, - |lint| lint.set_arg("keyword", v).help(fluent::lint::help), + fluent::lint_non_existant_doc_keyword, + |lint| lint.set_arg("keyword", v).help(fluent::help), ); } } @@ -414,7 +414,7 @@ impl LateLintPass<'_> for Diagnostics { cx.struct_span_lint( DIAGNOSTIC_OUTSIDE_OF_IMPL, span, - fluent::lint::diag_out_of_impl, + fluent::lint_diag_out_of_impl, |lint| lint, ) } @@ -435,7 +435,7 @@ impl LateLintPass<'_> for Diagnostics { cx.struct_span_lint( UNTRANSLATABLE_DIAGNOSTIC, span, - fluent::lint::untranslatable_diag, + fluent::lint_untranslatable_diag, |lint| lint, ) } diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index d3879ff487d..db0a3419e6a 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -960,7 +960,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { sp, "did you mean", suggestion, - Applicability::MachineApplicable, + Applicability::MaybeIncorrect, ); } lint diff --git a/compiler/rustc_lint/src/methods.rs b/compiler/rustc_lint/src/methods.rs index 313119637bc..e2d7d5b49f6 100644 --- a/compiler/rustc_lint/src/methods.rs +++ b/compiler/rustc_lint/src/methods.rs @@ -93,12 +93,12 @@ fn lint_cstring_as_ptr( cx.struct_span_lint( TEMPORARY_CSTRING_AS_PTR, as_ptr_span, - fluent::lint::cstring_ptr, + fluent::lint_cstring_ptr, |diag| { - diag.span_label(as_ptr_span, fluent::lint::as_ptr_label) - .span_label(unwrap.span, fluent::lint::unwrap_label) - .note(fluent::lint::note) - .help(fluent::lint::help) + diag.span_label(as_ptr_span, fluent::as_ptr_label) + .span_label(unwrap.span, fluent::unwrap_label) + .note(fluent::note) + .help(fluent::help) }, ); } diff --git a/compiler/rustc_lint/src/non_ascii_idents.rs b/compiler/rustc_lint/src/non_ascii_idents.rs index b2626efb6d7..dea9506acb2 100644 --- a/compiler/rustc_lint/src/non_ascii_idents.rs +++ b/compiler/rustc_lint/src/non_ascii_idents.rs @@ -183,7 +183,7 @@ impl EarlyLintPass for NonAsciiIdents { cx.struct_span_lint( NON_ASCII_IDENTS, sp, - fluent::lint::identifier_non_ascii_char, + fluent::lint_identifier_non_ascii_char, |lint| lint, ); if check_uncommon_codepoints @@ -192,7 +192,7 @@ impl EarlyLintPass for NonAsciiIdents { cx.struct_span_lint( UNCOMMON_CODEPOINTS, sp, - fluent::lint::identifier_uncommon_codepoints, + fluent::lint_identifier_uncommon_codepoints, |lint| lint, ) } @@ -225,11 +225,11 @@ impl EarlyLintPass for NonAsciiIdents { cx.struct_span_lint( CONFUSABLE_IDENTS, sp, - fluent::lint::confusable_identifier_pair, + fluent::lint_confusable_identifier_pair, |lint| { lint.set_arg("existing_sym", *existing_symbol) .set_arg("sym", symbol) - .span_label(*existing_span, fluent::lint::label) + .span_label(*existing_span, fluent::label) }, ); } @@ -334,7 +334,7 @@ impl EarlyLintPass for NonAsciiIdents { cx.struct_span_lint( MIXED_SCRIPT_CONFUSABLES, sp, - fluent::lint::mixed_script_confusables, + fluent::lint_mixed_script_confusables, |lint| { let mut includes = String::new(); for (idx, ch) in ch_list.into_iter().enumerate() { @@ -346,8 +346,8 @@ impl EarlyLintPass for NonAsciiIdents { } lint.set_arg("set", script_set.to_string()) .set_arg("includes", includes) - .note(fluent::lint::includes_note) - .note(fluent::lint::note) + .note(fluent::includes_note) + .note(fluent::note) }, ); } diff --git a/compiler/rustc_lint/src/non_fmt_panic.rs b/compiler/rustc_lint/src/non_fmt_panic.rs index 886b686e5e8..6ad2e0294b9 100644 --- a/compiler/rustc_lint/src/non_fmt_panic.rs +++ b/compiler/rustc_lint/src/non_fmt_panic.rs @@ -119,20 +119,20 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc arg_span = expn.call_site; } - cx.struct_span_lint(NON_FMT_PANICS, arg_span, fluent::lint::non_fmt_panic, |lint| { + cx.struct_span_lint(NON_FMT_PANICS, arg_span, fluent::lint_non_fmt_panic, |lint| { lint.set_arg("name", symbol); - lint.note(fluent::lint::note); - lint.note(fluent::lint::more_info_note); + lint.note(fluent::note); + lint.note(fluent::more_info_note); if !is_arg_inside_call(arg_span, span) { // No clue where this argument is coming from. return lint; } if arg_macro.map_or(false, |id| cx.tcx.is_diagnostic_item(sym::format_macro, id)) { // A case of `panic!(format!(..))`. - lint.note(fluent::lint::supports_fmt_note); + lint.note(fluent::supports_fmt_note); if let Some((open, close, _)) = find_delimiters(cx, arg_span) { lint.multipart_suggestion( - fluent::lint::supports_fmt_suggestion, + fluent::supports_fmt_suggestion, vec![ (arg_span.until(open.shrink_to_hi()), "".into()), (close.until(arg_span.shrink_to_hi()), "".into()), @@ -178,7 +178,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc if suggest_display { lint.span_suggestion_verbose( arg_span.shrink_to_lo(), - fluent::lint::display_suggestion, + fluent::display_suggestion, "\"{}\", ", fmt_applicability, ); @@ -186,7 +186,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc lint.set_arg("ty", ty); lint.span_suggestion_verbose( arg_span.shrink_to_lo(), - fluent::lint::debug_suggestion, + fluent::debug_suggestion, "\"{:?}\", ", fmt_applicability, ); @@ -196,7 +196,7 @@ fn check_panic<'tcx>(cx: &LateContext<'tcx>, f: &'tcx hir::Expr<'tcx>, arg: &'tc if let Some((open, close, del)) = find_delimiters(cx, span) { lint.set_arg("already_suggested", suggest_display || suggest_debug); lint.multipart_suggestion( - fluent::lint::panic_suggestion, + fluent::panic_suggestion, if del == '(' { vec![(span.until(open), "std::panic::panic_any".into())] } else { @@ -254,30 +254,25 @@ fn check_panic_str<'tcx>( .map(|span| fmt_span.from_inner(InnerSpan::new(span.start, span.end))) .collect(), }; - cx.struct_span_lint( - NON_FMT_PANICS, - arg_spans, - fluent::lint::non_fmt_panic_unused, - |lint| { - lint.set_arg("count", n_arguments); - lint.note(fluent::lint::note); - if is_arg_inside_call(arg.span, span) { - lint.span_suggestion( - arg.span.shrink_to_hi(), - fluent::lint::add_args_suggestion, - ", ...", - Applicability::HasPlaceholders, - ); - lint.span_suggestion( - arg.span.shrink_to_lo(), - fluent::lint::add_fmt_suggestion, - "\"{}\", ", - Applicability::MachineApplicable, - ); - } - lint - }, - ); + cx.struct_span_lint(NON_FMT_PANICS, arg_spans, fluent::lint_non_fmt_panic_unused, |lint| { + lint.set_arg("count", n_arguments); + lint.note(fluent::note); + if is_arg_inside_call(arg.span, span) { + lint.span_suggestion( + arg.span.shrink_to_hi(), + fluent::add_args_suggestion, + ", ...", + Applicability::HasPlaceholders, + ); + lint.span_suggestion( + arg.span.shrink_to_lo(), + fluent::add_fmt_suggestion, + "\"{}\", ", + Applicability::MachineApplicable, + ); + } + lint + }); } else { let brace_spans: Option<Vec<_>> = snippet.filter(|s| s.starts_with('"') || s.starts_with("r#")).map(|s| { @@ -290,14 +285,14 @@ fn check_panic_str<'tcx>( cx.struct_span_lint( NON_FMT_PANICS, brace_spans.unwrap_or_else(|| vec![span]), - fluent::lint::non_fmt_panic_braces, + fluent::lint_non_fmt_panic_braces, |lint| { lint.set_arg("count", count); - lint.note(fluent::lint::note); + lint.note(fluent::note); if is_arg_inside_call(arg.span, span) { lint.span_suggestion( arg.span.shrink_to_lo(), - fluent::lint::suggestion, + fluent::suggestion, "\"{}\", ", Applicability::MachineApplicable, ); diff --git a/compiler/rustc_lint/src/nonstandard_style.rs b/compiler/rustc_lint/src/nonstandard_style.rs index 6b32e78b910..7e50801f80c 100644 --- a/compiler/rustc_lint/src/nonstandard_style.rs +++ b/compiler/rustc_lint/src/nonstandard_style.rs @@ -139,7 +139,7 @@ impl NonCamelCaseTypes { cx.struct_span_lint( NON_CAMEL_CASE_TYPES, ident.span, - fluent::lint::non_camel_case_type, + fluent::lint_non_camel_case_type, |lint| { let cc = to_camel_case(name); // We cannot provide meaningful suggestions @@ -147,12 +147,12 @@ impl NonCamelCaseTypes { if *name != cc { lint.span_suggestion( ident.span, - fluent::lint::suggestion, + fluent::suggestion, to_camel_case(name), Applicability::MaybeIncorrect, ); } else { - lint.span_label(ident.span, fluent::lint::label); + lint.span_label(ident.span, fluent::label); } lint.set_arg("sort", sort); @@ -284,7 +284,7 @@ impl NonSnakeCase { let name = ident.name.as_str(); if !is_snake_case(name) { - cx.struct_span_lint(NON_SNAKE_CASE, ident.span, fluent::lint::non_snake_case, |lint| { + cx.struct_span_lint(NON_SNAKE_CASE, ident.span, fluent::lint_non_snake_case, |lint| { let sc = NonSnakeCase::to_snake_case(name); // We cannot provide meaningful suggestions // if the characters are in the category of "Uppercase Letter". @@ -298,13 +298,13 @@ impl NonSnakeCase { // Instead, recommend renaming the identifier entirely or, if permitted, // escaping it to create a raw identifier. if sc_ident.name.can_be_raw() { - (fluent::lint::rename_or_convert_suggestion, sc_ident.to_string()) + (fluent::rename_or_convert_suggestion, sc_ident.to_string()) } else { - lint.note(fluent::lint::cannot_convert_note); - (fluent::lint::rename_suggestion, String::new()) + lint.note(fluent::cannot_convert_note); + (fluent::rename_suggestion, String::new()) } } else { - (fluent::lint::convert_suggestion, sc.clone()) + (fluent::convert_suggestion, sc.clone()) }; lint.span_suggestion( @@ -314,10 +314,10 @@ impl NonSnakeCase { Applicability::MaybeIncorrect, ); } else { - lint.help(fluent::lint::help); + lint.help(fluent::help); } } else { - lint.span_label(ident.span, fluent::lint::label); + lint.span_label(ident.span, fluent::label); } lint.set_arg("sort", sort); @@ -484,7 +484,7 @@ impl NonUpperCaseGlobals { cx.struct_span_lint( NON_UPPER_CASE_GLOBALS, ident.span, - fluent::lint::non_upper_case_global, + fluent::lint_non_upper_case_global, |lint| { let uc = NonSnakeCase::to_snake_case(&name).to_uppercase(); // We cannot provide meaningful suggestions @@ -492,12 +492,12 @@ impl NonUpperCaseGlobals { if *name != uc { lint.span_suggestion( ident.span, - fluent::lint::suggestion, + fluent::suggestion, uc, Applicability::MaybeIncorrect, ); } else { - lint.span_label(ident.span, fluent::lint::label); + lint.span_label(ident.span, fluent::label); } lint.set_arg("sort", sort); diff --git a/compiler/rustc_lint/src/noop_method_call.rs b/compiler/rustc_lint/src/noop_method_call.rs index 9a62afd3caf..2ef425a1093 100644 --- a/compiler/rustc_lint/src/noop_method_call.rs +++ b/compiler/rustc_lint/src/noop_method_call.rs @@ -85,11 +85,11 @@ impl<'tcx> LateLintPass<'tcx> for NoopMethodCall { } let expr_span = expr.span; let span = expr_span.with_lo(receiver.span.hi()); - cx.struct_span_lint(NOOP_METHOD_CALL, span, fluent::lint::noop_method_call, |lint| { + cx.struct_span_lint(NOOP_METHOD_CALL, span, fluent::lint_noop_method_call, |lint| { lint.set_arg("method", call.ident.name) .set_arg("receiver_ty", receiver_ty) - .span_label(span, fluent::lint::label) - .note(fluent::lint::note) + .span_label(span, fluent::label) + .note(fluent::note) }); } } diff --git a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs index 81b9f55e703..7f6f4a0abb4 100644 --- a/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs +++ b/compiler/rustc_lint/src/opaque_hidden_inferred_bound.rs @@ -91,14 +91,12 @@ impl<'tcx> LateLintPass<'tcx> for OpaqueHiddenInferredBound { // For example, in `impl Trait<Assoc = impl Send>`, for all of the bounds on `Assoc`, // e.g. `type Assoc: OtherTrait`, replace `<impl Trait as Trait>::Assoc: OtherTrait` // with `impl Send: OtherTrait`. - for assoc_pred_and_span in - cx.tcx.bound_explicit_item_bounds(proj.projection_ty.item_def_id).transpose_iter() + for (assoc_pred, assoc_pred_span) in cx + .tcx + .bound_explicit_item_bounds(proj.projection_ty.item_def_id) + .subst_iter_copied(cx.tcx, &proj.projection_ty.substs) { - let assoc_pred_span = assoc_pred_and_span.0.1; - let assoc_pred = assoc_pred_and_span - .map_bound(|(pred, _)| *pred) - .subst(cx.tcx, &proj.projection_ty.substs) - .fold_with(proj_replacer); + let assoc_pred = assoc_pred.fold_with(proj_replacer); let Ok(assoc_pred) = traits::fully_normalize(infcx, traits::ObligationCause::dummy(), cx.param_env, assoc_pred) else { continue; }; @@ -141,11 +139,11 @@ impl<'tcx> LateLintPass<'tcx> for OpaqueHiddenInferredBound { } #[derive(LintDiagnostic)] -#[diag(lint::opaque_hidden_inferred_bound)] +#[diag(lint_opaque_hidden_inferred_bound)] struct OpaqueHiddenInferredBoundLint<'tcx> { ty: Ty<'tcx>, proj_ty: Ty<'tcx>, - #[label(lint::specifically)] + #[label(specifically)] assoc_pred_span: Span, #[subdiagnostic] add_bound: Option<AddBound<'tcx>>, @@ -153,7 +151,7 @@ struct OpaqueHiddenInferredBoundLint<'tcx> { #[derive(Subdiagnostic)] #[suggestion_verbose( - lint::opaque_hidden_inferred_bound_sugg, + lint_opaque_hidden_inferred_bound_sugg, applicability = "machine-applicable", code = " + {trait_ref}" )] diff --git a/compiler/rustc_lint/src/pass_by_value.rs b/compiler/rustc_lint/src/pass_by_value.rs index 349399b5964..01bface718a 100644 --- a/compiler/rustc_lint/src/pass_by_value.rs +++ b/compiler/rustc_lint/src/pass_by_value.rs @@ -32,11 +32,11 @@ impl<'tcx> LateLintPass<'tcx> for PassByValue { cx.struct_span_lint( PASS_BY_VALUE, ty.span, - fluent::lint::pass_by_value, + fluent::lint_pass_by_value, |lint| { lint.set_arg("ty", t.clone()).span_suggestion( ty.span, - fluent::lint::suggestion, + fluent::suggestion, t, // Changing type of function argument Applicability::MaybeIncorrect, diff --git a/compiler/rustc_lint/src/redundant_semicolon.rs b/compiler/rustc_lint/src/redundant_semicolon.rs index 46c84550e9f..3521de7fc08 100644 --- a/compiler/rustc_lint/src/redundant_semicolon.rs +++ b/compiler/rustc_lint/src/redundant_semicolon.rs @@ -51,11 +51,11 @@ fn maybe_lint_redundant_semis(cx: &EarlyContext<'_>, seq: &mut Option<(Span, boo cx.struct_span_lint( REDUNDANT_SEMICOLONS, span, - fluent::lint::redundant_semicolons, + fluent::lint_redundant_semicolons, |lint| { lint.set_arg("multiple", multiple).span_suggestion( span, - fluent::lint::suggestion, + fluent::suggestion, "", Applicability::MaybeIncorrect, ) diff --git a/compiler/rustc_lint/src/traits.rs b/compiler/rustc_lint/src/traits.rs index 078465bdce6..a118dda8b40 100644 --- a/compiler/rustc_lint/src/traits.rs +++ b/compiler/rustc_lint/src/traits.rs @@ -106,7 +106,7 @@ impl<'tcx> LateLintPass<'tcx> for DropTraitConstraints { cx.struct_span_lint( DROP_BOUNDS, span, - fluent::lint::drop_trait_constraints, + fluent::lint_drop_trait_constraints, |lint| { lint.set_arg("predicate", predicate) .set_arg("needs_drop", cx.tcx.def_path_str(needs_drop)) @@ -125,7 +125,7 @@ impl<'tcx> LateLintPass<'tcx> for DropTraitConstraints { if cx.tcx.lang_items().drop_trait() == def_id && let Some(needs_drop) = cx.tcx.get_diagnostic_item(sym::needs_drop) { - cx.struct_span_lint(DYN_DROP, bound.span, fluent::lint::drop_glue, |lint| { + cx.struct_span_lint(DYN_DROP, bound.span, fluent::lint_drop_glue, |lint| { lint.set_arg("needs_drop", cx.tcx.def_path_str(needs_drop)) }); } diff --git a/compiler/rustc_lint/src/types.rs b/compiler/rustc_lint/src/types.rs index b6009bd800a..7c99bb2790f 100644 --- a/compiler/rustc_lint/src/types.rs +++ b/compiler/rustc_lint/src/types.rs @@ -116,8 +116,8 @@ impl TypeLimits { } } -/// Attempts to special-case the overflowing literal lint when it occurs as a range endpoint. -/// Returns `true` iff the lint was overridden. +/// Attempts to special-case the overflowing literal lint when it occurs as a range endpoint (`expr..MAX+1`). +/// Returns `true` iff the lint was emitted. fn lint_overflowing_range_endpoint<'tcx>( cx: &LateContext<'tcx>, lit: &hir::Lit, @@ -140,44 +140,46 @@ fn lint_overflowing_range_endpoint<'tcx>( return false; } - let mut overwritten = false; // We can suggest using an inclusive range // (`..=`) instead only if it is the `end` that is // overflowing and only by 1. - if eps[1].expr.hir_id == expr.hir_id && lit_val - 1 == max - && let Ok(start) = cx.sess().source_map().span_to_snippet(eps[0].span) - { - cx.struct_span_lint( - OVERFLOWING_LITERALS, - struct_expr.span, - fluent::lint::range_endpoint_out_of_range, - |lint| { - use ast::{LitIntType, LitKind}; - - lint.set_arg("ty", ty); - - // We need to preserve the literal's suffix, - // as it may determine typing information. - let suffix = match lit.node { - LitKind::Int(_, LitIntType::Signed(s)) => s.name_str(), - LitKind::Int(_, LitIntType::Unsigned(s)) => s.name_str(), - LitKind::Int(_, LitIntType::Unsuffixed) => "", - _ => bug!(), - }; - let suggestion = format!("{}..={}{}", start, lit_val - 1, suffix); - lint.span_suggestion( - struct_expr.span, - fluent::lint::suggestion, - suggestion, - Applicability::MachineApplicable, - ); - overwritten = true; + if !(eps[1].expr.hir_id == expr.hir_id && lit_val - 1 == max) { + return false; + }; + let Ok(start) = cx.sess().source_map().span_to_snippet(eps[0].span) else { return false }; - lint - }, - ); - } - overwritten + cx.struct_span_lint( + OVERFLOWING_LITERALS, + struct_expr.span, + fluent::lint_range_endpoint_out_of_range, + |lint| { + use ast::{LitIntType, LitKind}; + + lint.set_arg("ty", ty); + + // We need to preserve the literal's suffix, + // as it may determine typing information. + let suffix = match lit.node { + LitKind::Int(_, LitIntType::Signed(s)) => s.name_str(), + LitKind::Int(_, LitIntType::Unsigned(s)) => s.name_str(), + LitKind::Int(_, LitIntType::Unsuffixed) => "", + _ => bug!(), + }; + let suggestion = format!("{}..={}{}", start, lit_val - 1, suffix); + lint.span_suggestion( + struct_expr.span, + fluent::suggestion, + suggestion, + Applicability::MachineApplicable, + ); + + lint + }, + ); + + // We've just emitted a lint, special cased for `(...)..MAX+1` ranges, + // return `true` so the callers don't also emit a lint + true } // For `isize` & `usize`, be conservative with the warnings, so that the @@ -231,7 +233,7 @@ fn report_bin_hex_error( cx.struct_span_lint( OVERFLOWING_LITERALS, expr.span, - fluent::lint::overflowing_bin_hex, + fluent::lint_overflowing_bin_hex, |lint| { let (t, actually) = match ty { attr::IntType::SignedInt(t) => { @@ -251,10 +253,10 @@ fn report_bin_hex_error( if negative { // If the value is negative, // emits a note about the value itself, apart from the literal. - lint.note(fluent::lint::negative_note); - lint.note(fluent::lint::negative_becomes_note); + lint.note(fluent::negative_note); + lint.note(fluent::negative_becomes_note); } else { - lint.note(fluent::lint::positive_note); + lint.note(fluent::positive_note); } if let Some(sugg_ty) = get_type_suggestion(cx.typeck_results().node_type(expr.hir_id), val, negative) @@ -264,12 +266,12 @@ fn report_bin_hex_error( let (sans_suffix, _) = repr_str.split_at(pos); lint.span_suggestion( expr.span, - fluent::lint::suggestion, + fluent::suggestion, format!("{}{}", sans_suffix, sugg_ty), Applicability::MachineApplicable, ); } else { - lint.help(fluent::lint::help); + lint.help(fluent::help); } } lint.set_arg("ty", t) @@ -358,11 +360,11 @@ fn lint_int_literal<'tcx>( } if lint_overflowing_range_endpoint(cx, lit, v, max, e, t.name_str()) { - // The overflowing literal lint was overridden. + // The overflowing literal lint was emited by `lint_overflowing_range_endpoint`. return; } - cx.struct_span_lint(OVERFLOWING_LITERALS, e.span, fluent::lint::overflowing_int, |lint| { + cx.struct_span_lint(OVERFLOWING_LITERALS, e.span, fluent::lint_overflowing_int, |lint| { lint.set_arg("ty", t.name_str()) .set_arg( "lit", @@ -373,13 +375,13 @@ fn lint_int_literal<'tcx>( ) .set_arg("min", min) .set_arg("max", max) - .note(fluent::lint::note); + .note(fluent::note); if let Some(sugg_ty) = get_type_suggestion(cx.typeck_results().node_type(e.hir_id), v, negative) { lint.set_arg("suggestion_ty", sugg_ty); - lint.help(fluent::lint::help); + lint.help(fluent::help); } lint @@ -410,11 +412,11 @@ fn lint_uint_literal<'tcx>( cx.struct_span_lint( OVERFLOWING_LITERALS, par_e.span, - fluent::lint::only_cast_u8_to_char, + fluent::lint_only_cast_u8_to_char, |lint| { lint.span_suggestion( par_e.span, - fluent::lint::suggestion, + fluent::suggestion, format!("'\\u{{{:X}}}'", lit_val), Applicability::MachineApplicable, ) @@ -427,7 +429,7 @@ fn lint_uint_literal<'tcx>( } } if lint_overflowing_range_endpoint(cx, lit, lit_val, max, e, t.name_str()) { - // The overflowing literal lint was overridden. + // The overflowing literal lint was emited by `lint_overflowing_range_endpoint`. return; } if let Some(repr_str) = get_bin_hex_repr(cx, lit) { @@ -441,7 +443,7 @@ fn lint_uint_literal<'tcx>( ); return; } - cx.struct_span_lint(OVERFLOWING_LITERALS, e.span, fluent::lint::overflowing_uint, |lint| { + cx.struct_span_lint(OVERFLOWING_LITERALS, e.span, fluent::lint_overflowing_uint, |lint| { lint.set_arg("ty", t.name_str()) .set_arg( "lit", @@ -452,7 +454,7 @@ fn lint_uint_literal<'tcx>( ) .set_arg("min", min) .set_arg("max", max) - .note(fluent::lint::note) + .note(fluent::note) }); } } @@ -485,7 +487,7 @@ fn lint_literal<'tcx>( cx.struct_span_lint( OVERFLOWING_LITERALS, e.span, - fluent::lint::overflowing_literal, + fluent::lint_overflowing_literal, |lint| { lint.set_arg("ty", t.name_str()) .set_arg( @@ -495,7 +497,7 @@ fn lint_literal<'tcx>( .span_to_snippet(lit.span) .expect("must get snippet from literal"), ) - .note(fluent::lint::note) + .note(fluent::note) }, ); } @@ -518,7 +520,7 @@ impl<'tcx> LateLintPass<'tcx> for TypeLimits { cx.struct_span_lint( UNUSED_COMPARISONS, e.span, - fluent::lint::unused_comparisons, + fluent::lint_unused_comparisons, |lint| lint, ); } @@ -840,8 +842,8 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { self.emit_ffi_unsafe_type_lint( ty, sp, - fluent::lint::improper_ctypes_array_reason, - Some(fluent::lint::improper_ctypes_array_help), + fluent::lint_improper_ctypes_array_reason, + Some(fluent::lint_improper_ctypes_array_help), ); true } else { @@ -884,7 +886,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { } else { // All fields are ZSTs; this means that the type should behave // like (), which is FFI-unsafe - FfiUnsafe { ty, reason: fluent::lint::improper_ctypes_struct_zst, help: None } + FfiUnsafe { ty, reason: fluent::lint_improper_ctypes_struct_zst, help: None } } } else { // We can't completely trust repr(C) markings; make sure the fields are @@ -898,7 +900,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { FfiPhantom(..) if def.is_enum() => { return FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_enum_phantomdata, + reason: fluent::lint_improper_ctypes_enum_phantomdata, help: None, }; } @@ -934,7 +936,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { } else { return FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_box, + reason: fluent::lint_improper_ctypes_box, help: None, }; } @@ -948,14 +950,14 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { return FfiUnsafe { ty, reason: if def.is_struct() { - fluent::lint::improper_ctypes_struct_layout_reason + fluent::lint_improper_ctypes_struct_layout_reason } else { - fluent::lint::improper_ctypes_union_layout_reason + fluent::lint_improper_ctypes_union_layout_reason }, help: if def.is_struct() { - Some(fluent::lint::improper_ctypes_struct_layout_help) + Some(fluent::lint_improper_ctypes_struct_layout_help) } else { - Some(fluent::lint::improper_ctypes_union_layout_help) + Some(fluent::lint_improper_ctypes_union_layout_help) }, }; } @@ -966,9 +968,9 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { return FfiUnsafe { ty, reason: if def.is_struct() { - fluent::lint::improper_ctypes_struct_non_exhaustive + fluent::lint_improper_ctypes_struct_non_exhaustive } else { - fluent::lint::improper_ctypes_union_non_exhaustive + fluent::lint_improper_ctypes_union_non_exhaustive }, help: None, }; @@ -978,14 +980,14 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { return FfiUnsafe { ty, reason: if def.is_struct() { - fluent::lint::improper_ctypes_struct_fieldless_reason + fluent::lint_improper_ctypes_struct_fieldless_reason } else { - fluent::lint::improper_ctypes_union_fieldless_reason + fluent::lint_improper_ctypes_union_fieldless_reason }, help: if def.is_struct() { - Some(fluent::lint::improper_ctypes_struct_fieldless_help) + Some(fluent::lint_improper_ctypes_struct_fieldless_help) } else { - Some(fluent::lint::improper_ctypes_union_fieldless_help) + Some(fluent::lint_improper_ctypes_union_fieldless_help) }, }; } @@ -1006,8 +1008,8 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { if repr_nullable_ptr(self.cx, ty, self.mode).is_none() { return FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_enum_repr_reason, - help: Some(fluent::lint::improper_ctypes_enum_repr_help), + reason: fluent::lint_improper_ctypes_enum_repr_reason, + help: Some(fluent::lint_improper_ctypes_enum_repr_help), }; } } @@ -1015,7 +1017,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { if def.is_variant_list_non_exhaustive() && !def.did().is_local() { return FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_non_exhaustive, + reason: fluent::lint_improper_ctypes_non_exhaustive, help: None, }; } @@ -1026,7 +1028,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { if is_non_exhaustive && !variant.def_id.is_local() { return FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_non_exhaustive_variant, + reason: fluent::lint_improper_ctypes_non_exhaustive_variant, help: None, }; } @@ -1044,12 +1046,12 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { ty::Char => FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_char_reason, - help: Some(fluent::lint::improper_ctypes_char_help), + reason: fluent::lint_improper_ctypes_char_reason, + help: Some(fluent::lint_improper_ctypes_char_help), }, ty::Int(ty::IntTy::I128) | ty::Uint(ty::UintTy::U128) => { - FfiUnsafe { ty, reason: fluent::lint::improper_ctypes_128bit, help: None } + FfiUnsafe { ty, reason: fluent::lint_improper_ctypes_128bit, help: None } } // Primitive types with a stable representation. @@ -1057,24 +1059,24 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { ty::Slice(_) => FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_slice_reason, - help: Some(fluent::lint::improper_ctypes_slice_help), + reason: fluent::lint_improper_ctypes_slice_reason, + help: Some(fluent::lint_improper_ctypes_slice_help), }, ty::Dynamic(..) => { - FfiUnsafe { ty, reason: fluent::lint::improper_ctypes_dyn, help: None } + FfiUnsafe { ty, reason: fluent::lint_improper_ctypes_dyn, help: None } } ty::Str => FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_str_reason, - help: Some(fluent::lint::improper_ctypes_str_help), + reason: fluent::lint_improper_ctypes_str_reason, + help: Some(fluent::lint_improper_ctypes_str_help), }, ty::Tuple(..) => FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_tuple_reason, - help: Some(fluent::lint::improper_ctypes_tuple_help), + reason: fluent::lint_improper_ctypes_tuple_reason, + help: Some(fluent::lint_improper_ctypes_tuple_help), }, ty::RawPtr(ty::TypeAndMut { ty, .. }) | ty::Ref(_, ty, _) @@ -1105,8 +1107,8 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { if self.is_internal_abi(sig.abi()) { return FfiUnsafe { ty, - reason: fluent::lint::improper_ctypes_fnptr_reason, - help: Some(fluent::lint::improper_ctypes_fnptr_help), + reason: fluent::lint_improper_ctypes_fnptr_reason, + help: Some(fluent::lint_improper_ctypes_fnptr_help), }; } @@ -1137,7 +1139,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { // While opaque types are checked for earlier, if a projection in a struct field // normalizes to an opaque type, then it will reach this branch. ty::Opaque(..) => { - FfiUnsafe { ty, reason: fluent::lint::improper_ctypes_opaque, help: None } + FfiUnsafe { ty, reason: fluent::lint_improper_ctypes_opaque, help: None } } // `extern "C" fn` functions can have type parameters, which may or may not be FFI-safe, @@ -1171,21 +1173,21 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { CItemKind::Definition => IMPROPER_CTYPES_DEFINITIONS, }; - self.cx.struct_span_lint(lint, sp, fluent::lint::improper_ctypes, |lint| { + self.cx.struct_span_lint(lint, sp, fluent::lint_improper_ctypes, |lint| { let item_description = match self.mode { CItemKind::Declaration => "block", CItemKind::Definition => "fn", }; lint.set_arg("ty", ty); lint.set_arg("desc", item_description); - lint.span_label(sp, fluent::lint::label); + lint.span_label(sp, fluent::label); if let Some(help) = help { lint.help(help); } lint.note(note); if let ty::Adt(def, _) = ty.kind() { if let Some(sp) = self.cx.tcx.hir().span_if_local(def.did()) { - lint.span_note(sp, fluent::lint::note); + lint.span_note(sp, fluent::note); } } lint @@ -1222,7 +1224,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { } if let Some(ty) = ty.visit_with(&mut ProhibitOpaqueTypes { cx: self.cx }).break_value() { - self.emit_ffi_unsafe_type_lint(ty, sp, fluent::lint::improper_ctypes_opaque, None); + self.emit_ffi_unsafe_type_lint(ty, sp, fluent::lint_improper_ctypes_opaque, None); true } else { false @@ -1267,7 +1269,7 @@ impl<'a, 'tcx> ImproperCTypesVisitor<'a, 'tcx> { self.emit_ffi_unsafe_type_lint( ty, sp, - fluent::lint::improper_ctypes_only_phantomdata, + fluent::lint_improper_ctypes_only_phantomdata, None, ); } @@ -1401,7 +1403,7 @@ impl<'tcx> LateLintPass<'tcx> for VariantSizeDifferences { cx.struct_span_lint( VARIANT_SIZE_DIFFERENCES, enum_definition.variants[largest_index].span, - fluent::lint::variant_size_differences, + fluent::lint_variant_size_differences, |lint| lint.set_arg("largest", largest), ); } @@ -1511,15 +1513,15 @@ impl InvalidAtomicOrdering { fn check_atomic_load_store(cx: &LateContext<'_>, expr: &Expr<'_>) { if let Some((method, args)) = Self::inherent_atomic_method_call(cx, expr, &[sym::load, sym::store]) && let Some((ordering_arg, invalid_ordering, msg)) = match method { - sym::load => Some((&args[0], sym::Release, fluent::lint::atomic_ordering_load)), - sym::store => Some((&args[1], sym::Acquire, fluent::lint::atomic_ordering_store)), + sym::load => Some((&args[0], sym::Release, fluent::lint_atomic_ordering_load)), + sym::store => Some((&args[1], sym::Acquire, fluent::lint_atomic_ordering_store)), _ => None, } && let Some(ordering) = Self::match_ordering(cx, ordering_arg) && (ordering == invalid_ordering || ordering == sym::AcqRel) { cx.struct_span_lint(INVALID_ATOMIC_ORDERING, ordering_arg.span, msg, |lint| { - lint.help(fluent::lint::help) + lint.help(fluent::help) }); } } @@ -1531,9 +1533,9 @@ impl InvalidAtomicOrdering { && matches!(cx.tcx.get_diagnostic_name(def_id), Some(sym::fence | sym::compiler_fence)) && Self::match_ordering(cx, &args[0]) == Some(sym::Relaxed) { - cx.struct_span_lint(INVALID_ATOMIC_ORDERING, args[0].span, fluent::lint::atomic_ordering_fence, |lint| { + cx.struct_span_lint(INVALID_ATOMIC_ORDERING, args[0].span, fluent::lint_atomic_ordering_fence, |lint| { lint - .help(fluent::lint::help) + .help(fluent::help) }); } } @@ -1552,7 +1554,7 @@ impl InvalidAtomicOrdering { if matches!(fail_ordering, sym::Release | sym::AcqRel) { #[derive(LintDiagnostic)] - #[diag(lint::atomic_ordering_invalid)] + #[diag(lint_atomic_ordering_invalid)] #[help] struct InvalidAtomicOrderingDiag { method: Symbol, diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index 787c9518b50..46706e49844 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -7,6 +7,7 @@ use rustc_errors::{fluent, pluralize, Applicability, MultiSpan}; use rustc_hir as hir; use rustc_hir::def::{DefKind, Res}; use rustc_hir::def_id::DefId; +use rustc_infer::traits::util::elaborate_predicates_with_span; use rustc_middle::ty::adjustment; use rustc_middle::ty::{self, Ty}; use rustc_span::symbol::Symbol; @@ -154,12 +155,12 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { }; if let Some(must_use_op) = must_use_op { - cx.struct_span_lint(UNUSED_MUST_USE, expr.span, fluent::lint::unused_op, |lint| { + cx.struct_span_lint(UNUSED_MUST_USE, expr.span, fluent::lint_unused_op, |lint| { lint.set_arg("op", must_use_op) - .span_label(expr.span, fluent::lint::label) + .span_label(expr.span, fluent::label) .span_suggestion_verbose( expr.span.shrink_to_lo(), - fluent::lint::suggestion, + fluent::suggestion, "let _ = ", Applicability::MachineApplicable, ) @@ -168,7 +169,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { } if !(type_permits_lack_of_use || fn_warned || op_warned) { - cx.struct_span_lint(UNUSED_RESULTS, s.span, fluent::lint::unused_result, |lint| { + cx.struct_span_lint(UNUSED_RESULTS, s.span, fluent::lint_unused_result, |lint| { lint.set_arg("ty", ty) }); } @@ -204,10 +205,13 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { ty::Adt(def, _) => check_must_use_def(cx, def.did(), span, descr_pre, descr_post), ty::Opaque(def, _) => { let mut has_emitted = false; - for &(predicate, _) in cx.tcx.explicit_item_bounds(def) { + for obligation in elaborate_predicates_with_span( + cx.tcx, + cx.tcx.explicit_item_bounds(def).iter().cloned(), + ) { // We only look at the `DefId`, so it is safe to skip the binder here. if let ty::PredicateKind::Trait(ref poly_trait_predicate) = - predicate.kind().skip_binder() + obligation.predicate.kind().skip_binder() { let def_id = poly_trait_predicate.trait_ref.def_id; let descr_pre = @@ -268,14 +272,14 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { cx.struct_span_lint( UNUSED_MUST_USE, span, - fluent::lint::unused_closure, + fluent::lint_unused_closure, |lint| { // FIXME(davidtwco): this isn't properly translatable because of the // pre/post strings lint.set_arg("count", plural_len) .set_arg("pre", descr_pre) .set_arg("post", descr_post) - .note(fluent::lint::note) + .note(fluent::note) }, ); true @@ -284,14 +288,14 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { cx.struct_span_lint( UNUSED_MUST_USE, span, - fluent::lint::unused_generator, + fluent::lint_unused_generator, |lint| { // FIXME(davidtwco): this isn't properly translatable because of the // pre/post strings lint.set_arg("count", plural_len) .set_arg("pre", descr_pre) .set_arg("post", descr_post) - .note(fluent::lint::note) + .note(fluent::note) }, ); true @@ -313,7 +317,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { descr_post_path: &str, ) -> bool { if let Some(attr) = cx.tcx.get_attr(def_id, sym::must_use) { - cx.struct_span_lint(UNUSED_MUST_USE, span, fluent::lint::unused_def, |lint| { + cx.struct_span_lint(UNUSED_MUST_USE, span, fluent::lint_unused_def, |lint| { // FIXME(davidtwco): this isn't properly translatable because of the pre/post // strings lint.set_arg("pre", descr_pre_path); @@ -365,17 +369,17 @@ impl<'tcx> LateLintPass<'tcx> for PathStatements { cx.struct_span_lint( PATH_STATEMENTS, s.span, - fluent::lint::path_statement_drop, + fluent::lint_path_statement_drop, |lint| { if let Ok(snippet) = cx.sess().source_map().span_to_snippet(expr.span) { lint.span_suggestion( s.span, - fluent::lint::suggestion, + fluent::suggestion, format!("drop({});", snippet), Applicability::MachineApplicable, ); } else { - lint.span_help(s.span, fluent::lint::suggestion); + lint.span_help(s.span, fluent::suggestion); } lint }, @@ -384,7 +388,7 @@ impl<'tcx> LateLintPass<'tcx> for PathStatements { cx.struct_span_lint( PATH_STATEMENTS, s.span, - fluent::lint::path_statement_no_effect, + fluent::lint_path_statement_no_effect, |lint| lint, ); } @@ -557,7 +561,7 @@ trait UnusedDelimLint { } else { MultiSpan::from(value_span) }; - cx.struct_span_lint(self.lint(), primary_span, fluent::lint::unused_delim, |lint| { + cx.struct_span_lint(self.lint(), primary_span, fluent::lint_unused_delim, |lint| { lint.set_arg("delim", Self::DELIM_STR); lint.set_arg("item", msg); if let Some((lo, hi)) = spans { @@ -566,7 +570,7 @@ trait UnusedDelimLint { (hi, if keep_space.1 { " ".into() } else { "".into() }), ]; lint.multipart_suggestion( - fluent::lint::suggestion, + fluent::suggestion, replacement, Applicability::MachineApplicable, ); @@ -1142,7 +1146,7 @@ impl UnusedImportBraces { cx.struct_span_lint( UNUSED_IMPORT_BRACES, item.span, - fluent::lint::unused_import_braces, + fluent::lint_unused_import_braces, |lint| lint.set_arg("node", node_name), ); } @@ -1197,9 +1201,9 @@ impl<'tcx> LateLintPass<'tcx> for UnusedAllocation { UNUSED_ALLOCATION, e.span, match m { - adjustment::AutoBorrowMutability::Not => fluent::lint::unused_allocation, + adjustment::AutoBorrowMutability::Not => fluent::lint_unused_allocation, adjustment::AutoBorrowMutability::Mut { .. } => { - fluent::lint::unused_allocation_mut + fluent::lint_unused_allocation_mut } }, |lint| lint, diff --git a/compiler/rustc_lint_defs/src/builtin.rs b/compiler/rustc_lint_defs/src/builtin.rs index 8390d80a458..61ee467f595 100644 --- a/compiler/rustc_lint_defs/src/builtin.rs +++ b/compiler/rustc_lint_defs/src/builtin.rs @@ -1427,6 +1427,7 @@ declare_lint! { "trait-object types were treated as different depending on marker-trait order", @future_incompatible = FutureIncompatibleInfo { reference: "issue #56484 <https://github.com/rust-lang/rust/issues/56484>", + reason: FutureIncompatibilityReason::FutureReleaseErrorReportNow, }; } @@ -2878,7 +2879,7 @@ declare_lint! { /// ### Example /// /// ```rust - /// #![feature(naked_functions)] + /// #![feature(asm_experimental_arch, naked_functions)] /// /// use std::arch::asm; /// diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic.rs b/compiler/rustc_macros/src/diagnostics/diagnostic.rs index 8cf307df5a5..ef1985b960e 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic.rs @@ -40,7 +40,7 @@ impl<'a> DiagnosticDerive<'a> { span_err(builder.span, "diagnostic slug not specified") .help(&format!( "specify the slug as the first argument to the `#[diag(...)]` \ - attribute, such as `#[diag(hir_analysis::example_error)]`", + attribute, such as `#[diag(hir_analysis_example_error)]`", )) .emit(); return DiagnosticDeriveError::ErrorHandled.to_compile_error(); @@ -121,7 +121,7 @@ impl<'a> LintDiagnosticDerive<'a> { span_err(builder.span, "diagnostic slug not specified") .help(&format!( "specify the slug as the first argument to the attribute, such as \ - `#[diag(compiletest::example)]`", + `#[diag(compiletest_example)]`", )) .emit(); return DiagnosticDeriveError::ErrorHandled.to_compile_error(); diff --git a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs index dcbe89251cb..9f7d2661a3e 100644 --- a/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs +++ b/compiler/rustc_macros/src/diagnostics/diagnostic_builder.rs @@ -5,7 +5,7 @@ use crate::diagnostics::error::{ DiagnosticDeriveError, }; use crate::diagnostics::utils::{ - build_field_mapping, report_error_if_not_applied_to_span, report_type_error, + build_field_mapping, is_doc_comment, report_error_if_not_applied_to_span, report_type_error, should_generate_set_arg, type_is_unit, type_matches_path, FieldInfo, FieldInnerTy, FieldMap, HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind, }; @@ -152,8 +152,12 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { fn parse_subdiag_attribute( &self, attr: &Attribute, - ) -> Result<(SubdiagnosticKind, Path), DiagnosticDeriveError> { - let (subdiag, slug) = SubdiagnosticKind::from_attr(attr, self)?; + ) -> Result<Option<(SubdiagnosticKind, Path)>, DiagnosticDeriveError> { + let Some((subdiag, slug)) = SubdiagnosticKind::from_attr(attr, self)? else { + // Some attributes aren't errors - like documentation comments - but also aren't + // subdiagnostics. + return Ok(None); + }; if let SubdiagnosticKind::MultipartSuggestion { .. } = subdiag { let meta = attr.parse_meta()?; @@ -170,7 +174,7 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { SubdiagnosticKind::MultipartSuggestion { .. } => unreachable!(), }); - Ok((subdiag, slug)) + Ok(Some((subdiag, slug))) } /// Establishes state in the `DiagnosticDeriveBuilder` resulting from the struct @@ -182,6 +186,11 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { ) -> Result<TokenStream, DiagnosticDeriveError> { let diag = &self.parent.diag; + // Always allow documentation comments. + if is_doc_comment(attr) { + return Ok(quote! {}); + } + let name = attr.path.segments.last().unwrap().ident.to_string(); let name = name.as_str(); let meta = attr.parse_meta()?; @@ -250,7 +259,11 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { return Ok(tokens); } - let (subdiag, slug) = self.parse_subdiag_attribute(attr)?; + let Some((subdiag, slug)) = self.parse_subdiag_attribute(attr)? else { + // Some attributes aren't errors - like documentation comments - but also aren't + // subdiagnostics. + return Ok(quote! {}); + }; let fn_ident = format_ident!("{}", subdiag); match subdiag { SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn => { @@ -291,6 +304,11 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { .attrs .iter() .map(move |attr| { + // Always allow documentation comments. + if is_doc_comment(attr) { + return quote! {}; + } + let name = attr.path.segments.last().unwrap().ident.to_string(); let needs_clone = name == "primary_span" && matches!(inner_ty, FieldInnerTy::Vec(_)); @@ -397,8 +415,11 @@ impl<'a> DiagnosticDeriveVariantBuilder<'a> { _ => (), } - let (subdiag, slug) = self.parse_subdiag_attribute(attr)?; - + let Some((subdiag, slug)) = self.parse_subdiag_attribute(attr)? else { + // Some attributes aren't errors - like documentation comments - but also aren't + // subdiagnostics. + return Ok(quote! {}); + }; let fn_ident = format_ident!("{}", subdiag); match subdiag { SubdiagnosticKind::Label => { diff --git a/compiler/rustc_macros/src/diagnostics/fluent.rs b/compiler/rustc_macros/src/diagnostics/fluent.rs index f7d8b494ee2..3e447c94ef1 100644 --- a/compiler/rustc_macros/src/diagnostics/fluent.rs +++ b/compiler/rustc_macros/src/diagnostics/fluent.rs @@ -25,18 +25,18 @@ use syn::{ use unic_langid::langid; struct Resource { - ident: Ident, + krate: Ident, #[allow(dead_code)] fat_arrow_token: token::FatArrow, - resource: LitStr, + resource_path: LitStr, } impl Parse for Resource { fn parse(input: ParseStream<'_>) -> Result<Self> { Ok(Resource { - ident: input.parse()?, + krate: input.parse()?, fat_arrow_token: input.parse()?, - resource: input.parse()?, + resource_path: input.parse()?, }) } } @@ -94,19 +94,20 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok // diagnostics. let mut previous_defns = HashMap::new(); + // Set of Fluent attribute names already output, to avoid duplicate type errors - any given + // constant created for a given attribute is the same. + let mut previous_attrs = HashSet::new(); + let mut includes = TokenStream::new(); let mut generated = TokenStream::new(); - for res in resources.0 { - let ident_span = res.ident.span().unwrap(); - let path_span = res.resource.span().unwrap(); - // Set of Fluent attribute names already output, to avoid duplicate type errors - any given - // constant created for a given attribute is the same. - let mut previous_attrs = HashSet::new(); + for res in resources.0 { + let krate_span = res.krate.span().unwrap(); + let path_span = res.resource_path.span().unwrap(); - let relative_ftl_path = res.resource.value(); + let relative_ftl_path = res.resource_path.value(); let absolute_ftl_path = - invocation_relative_path_to_absolute(ident_span, &relative_ftl_path); + invocation_relative_path_to_absolute(krate_span, &relative_ftl_path); // As this macro also outputs an `include_str!` for this file, the macro will always be // re-executed when the file changes. let mut resource_file = match File::open(absolute_ftl_path) { @@ -185,7 +186,7 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok let mut constants = TokenStream::new(); for entry in resource.entries() { - let span = res.ident.span(); + let span = res.krate.span(); if let Entry::Message(Message { id: Identifier { name }, attributes, .. }) = entry { let _ = previous_defns.entry(name.to_string()).or_insert(path_span); @@ -199,29 +200,30 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok .emit(); } - // `typeck_foo_bar` => `foo_bar` (in `typeck.ftl`) - // `const_eval_baz` => `baz` (in `const_eval.ftl`) + // Require that the message name starts with the crate name + // `hir_typeck_foo_bar` (in `hir_typeck.ftl`) + // `const_eval_baz` (in `const_eval.ftl`) // `const-eval-hyphen-having` => `hyphen_having` (in `const_eval.ftl`) // The last case we error about above, but we want to fall back gracefully // so that only the error is being emitted and not also one about the macro // failing. - let crate_prefix = format!("{}_", res.ident); + let crate_prefix = format!("{}_", res.krate); let snake_name = name.replace('-', "_"); - let snake_name = match snake_name.strip_prefix(&crate_prefix) { - Some(rest) => Ident::new(rest, span), - None => { - Diagnostic::spanned( - path_span, - Level::Error, - format!("name `{name}` does not start with the crate name"), - ) - .help(format!("prepend `{crate_prefix}` to the slug name: `{crate_prefix}{snake_name}`")) - .emit(); - Ident::new(&snake_name, span) - } + if !snake_name.starts_with(&crate_prefix) { + Diagnostic::spanned( + path_span, + Level::Error, + format!("name `{name}` does not start with the crate name"), + ) + .help(format!( + "prepend `{crate_prefix}` to the slug name: `{crate_prefix}{snake_name}`" + )) + .emit(); }; + let snake_name = Ident::new(&snake_name, span); + constants.extend(quote! { pub const #snake_name: crate::DiagnosticMessage = crate::DiagnosticMessage::FluentIdentifier( @@ -275,12 +277,7 @@ pub(crate) fn fluent_messages(input: proc_macro::TokenStream) -> proc_macro::Tok includes.extend(quote! { include_str!(#relative_ftl_path), }); - let ident = res.ident; - generated.extend(quote! { - pub mod #ident { - #constants - } - }); + generated.extend(constants); } quote! { diff --git a/compiler/rustc_macros/src/diagnostics/mod.rs b/compiler/rustc_macros/src/diagnostics/mod.rs index f98cc66e9e9..860340b4390 100644 --- a/compiler/rustc_macros/src/diagnostics/mod.rs +++ b/compiler/rustc_macros/src/diagnostics/mod.rs @@ -23,14 +23,14 @@ use synstructure::Structure; /// # extern crate rust_middle; /// # use rustc_middle::ty::Ty; /// #[derive(Diagnostic)] -/// #[diag(borrowck::move_out_of_borrow, code = "E0505")] +/// #[diag(borrowck_move_out_of_borrow, code = "E0505")] /// pub struct MoveOutOfBorrowError<'tcx> { /// pub name: Ident, /// pub ty: Ty<'tcx>, /// #[primary_span] /// #[label] /// pub span: Span, -/// #[label(borrowck::first_borrow_label)] +/// #[label(first_borrow_label)] /// pub first_borrow_span: Span, /// #[suggestion(code = "{name}.clone()")] /// pub clone_sugg: Option<(Span, Applicability)> @@ -67,14 +67,14 @@ pub fn session_diagnostic_derive(s: Structure<'_>) -> TokenStream { /// /// ```ignore (rust) /// #[derive(LintDiagnostic)] -/// #[diag(lint::atomic_ordering_invalid_fail_success)] +/// #[diag(lint_atomic_ordering_invalid_fail_success)] /// pub struct AtomicOrderingInvalidLint { /// method: Symbol, /// success_ordering: Symbol, /// fail_ordering: Symbol, -/// #[label(lint::fail_label)] +/// #[label(fail_label)] /// fail_order_arg_span: Span, -/// #[label(lint::success_label)] +/// #[label(success_label)] /// #[suggestion( /// code = "std::sync::atomic::Ordering::{success_suggestion}", /// applicability = "maybe-incorrect" @@ -115,12 +115,12 @@ pub fn lint_diagnostic_derive(s: Structure<'_>) -> TokenStream { /// ```ignore (rust) /// #[derive(Subdiagnostic)] /// pub enum ExpectedIdentifierLabel<'tcx> { -/// #[label(parser::expected_identifier)] +/// #[label(expected_identifier)] /// WithoutFound { /// #[primary_span] /// span: Span, /// } -/// #[label(parser::expected_identifier_found)] +/// #[label(expected_identifier_found)] /// WithFound { /// #[primary_span] /// span: Span, diff --git a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs index 3d4c3ab9fd7..d1acb713842 100644 --- a/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs +++ b/compiler/rustc_macros/src/diagnostics/subdiagnostic.rs @@ -5,9 +5,9 @@ use crate::diagnostics::error::{ DiagnosticDeriveError, }; use crate::diagnostics::utils::{ - build_field_mapping, new_code_ident, report_error_if_not_applied_to_applicability, - report_error_if_not_applied_to_span, FieldInfo, FieldInnerTy, FieldMap, HasFieldMap, SetOnce, - SpannedOption, SubdiagnosticKind, + build_field_mapping, is_doc_comment, new_code_ident, + report_error_if_not_applied_to_applicability, report_error_if_not_applied_to_span, FieldInfo, + FieldInnerTy, FieldMap, HasFieldMap, SetOnce, SpannedOption, SubdiagnosticKind, }; use proc_macro2::TokenStream; use quote::{format_ident, quote}; @@ -41,8 +41,14 @@ impl SubdiagnosticDeriveBuilder { } } - if matches!(ast.data, syn::Data::Enum(..)) { + let is_enum = matches!(ast.data, syn::Data::Enum(..)); + if is_enum { for attr in &ast.attrs { + // Always allow documentation comments. + if is_doc_comment(attr) { + continue; + } + span_err( attr.span().unwrap(), "unsupported type attribute for subdiagnostic enum", @@ -62,6 +68,7 @@ impl SubdiagnosticDeriveBuilder { span_field: None, applicability: None, has_suggestion_parts: false, + is_enum, }; builder.into_tokens().unwrap_or_else(|v| v.to_compile_error()) }); @@ -79,7 +86,7 @@ impl SubdiagnosticDeriveBuilder { gen impl rustc_errors::AddToDiagnostic for @Self { fn add_to_diagnostic_with<__F>(self, #diag: &mut rustc_errors::Diagnostic, #f: __F) where - __F: Fn( + __F: core::ops::Fn( &mut rustc_errors::Diagnostic, rustc_errors::SubdiagnosticMessage ) -> rustc_errors::SubdiagnosticMessage, @@ -122,6 +129,9 @@ struct SubdiagnosticDeriveVariantBuilder<'parent, 'a> { /// Set to true when a `#[suggestion_part]` field is encountered, used to generate an error /// during finalization if still `false`. has_suggestion_parts: bool, + + /// Set to true when this variant is an enum variant rather than just the body of a struct. + is_enum: bool, } impl<'parent, 'a> HasFieldMap for SubdiagnosticDeriveVariantBuilder<'parent, 'a> { @@ -173,7 +183,11 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { let mut kind_slugs = vec![]; for attr in self.variant.ast().attrs { - let (kind, slug) = SubdiagnosticKind::from_attr(attr, self)?; + let Some((kind, slug)) = SubdiagnosticKind::from_attr(attr, self)? else { + // Some attributes aren't errors - like documentation comments - but also aren't + // subdiagnostics. + continue; + }; let Some(slug) = slug else { let name = attr.path.segments.last().unwrap().ident.to_string(); @@ -227,6 +241,11 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { ast.attrs .iter() .map(|attr| { + // Always allow documentation comments. + if is_doc_comment(attr) { + return quote! {}; + } + let info = FieldInfo { binding, ty: inner_ty.inner_type().unwrap_or(&ast.ty), @@ -290,6 +309,8 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { report_error_if_not_applied_to_span(attr, &info)?; let binding = info.binding.binding.clone(); + // FIXME(#100717): support `Option<Span>` on `primary_span` like in the + // diagnostic derive self.span_field.set_once(binding, span); } @@ -443,10 +464,16 @@ impl<'parent, 'a> SubdiagnosticDeriveVariantBuilder<'parent, 'a> { pub fn into_tokens(&mut self) -> Result<TokenStream, DiagnosticDeriveError> { let kind_slugs = self.identify_kind()?; if kind_slugs.is_empty() { - throw_span_err!( - self.variant.ast().ident.span().unwrap(), - "subdiagnostic kind not specified" - ); + if self.is_enum { + // It's okay for a variant to not be a subdiagnostic at all.. + return Ok(quote! {}); + } else { + // ..but structs should always be _something_. + throw_span_err!( + self.variant.ast().ident.span().unwrap(), + "subdiagnostic kind not specified" + ); + } }; let kind_stats: KindsStatistics = kind_slugs.iter().map(|(kind, _slug)| kind).collect(); diff --git a/compiler/rustc_macros/src/diagnostics/utils.rs b/compiler/rustc_macros/src/diagnostics/utils.rs index 4fd4adc5112..61d5007fc30 100644 --- a/compiler/rustc_macros/src/diagnostics/utils.rs +++ b/compiler/rustc_macros/src/diagnostics/utils.rs @@ -477,7 +477,12 @@ impl SubdiagnosticKind { pub(super) fn from_attr( attr: &Attribute, fields: &impl HasFieldMap, - ) -> Result<(SubdiagnosticKind, Option<Path>), DiagnosticDeriveError> { + ) -> Result<Option<(SubdiagnosticKind, Option<Path>)>, DiagnosticDeriveError> { + // Always allow documentation comments. + if is_doc_comment(attr) { + return Ok(None); + } + let span = attr.span().unwrap(); let name = attr.path.segments.last().unwrap().ident.to_string(); @@ -526,7 +531,9 @@ impl SubdiagnosticKind { | SubdiagnosticKind::Note | SubdiagnosticKind::Help | SubdiagnosticKind::Warn - | SubdiagnosticKind::MultipartSuggestion { .. } => return Ok((kind, None)), + | SubdiagnosticKind::MultipartSuggestion { .. } => { + return Ok(Some((kind, None))); + } SubdiagnosticKind::Suggestion { .. } => { throw_span_err!(span, "suggestion without `code = \"...\"`") } @@ -626,7 +633,7 @@ impl SubdiagnosticKind { | SubdiagnosticKind::MultipartSuggestion { .. } => {} } - Ok((kind, slug)) + Ok(Some((kind, slug))) } } @@ -654,3 +661,7 @@ impl quote::IdentFragment for SubdiagnosticKind { pub(super) fn should_generate_set_arg(field: &Field) -> bool { field.attrs.is_empty() } + +pub(super) fn is_doc_comment(attr: &Attribute) -> bool { + attr.path.segments.last().unwrap().ident.to_string() == "doc" +} diff --git a/compiler/rustc_metadata/src/errors.rs b/compiler/rustc_metadata/src/errors.rs index dbfa22aaff0..7c387b9a9ec 100644 --- a/compiler/rustc_metadata/src/errors.rs +++ b/compiler/rustc_metadata/src/errors.rs @@ -12,41 +12,41 @@ use rustc_target::spec::{PanicStrategy, TargetTriple}; use crate::locator::CrateFlavor; #[derive(Diagnostic)] -#[diag(metadata::rlib_required)] +#[diag(metadata_rlib_required)] pub struct RlibRequired { pub crate_name: Symbol, } #[derive(Diagnostic)] -#[diag(metadata::lib_required)] +#[diag(metadata_lib_required)] pub struct LibRequired<'a> { pub crate_name: Symbol, pub kind: &'a str, } #[derive(Diagnostic)] -#[diag(metadata::crate_dep_multiple)] +#[diag(metadata_crate_dep_multiple)] #[help] pub struct CrateDepMultiple { pub crate_name: Symbol, } #[derive(Diagnostic)] -#[diag(metadata::two_panic_runtimes)] +#[diag(metadata_two_panic_runtimes)] pub struct TwoPanicRuntimes { pub prev_name: Symbol, pub cur_name: Symbol, } #[derive(Diagnostic)] -#[diag(metadata::bad_panic_strategy)] +#[diag(metadata_bad_panic_strategy)] pub struct BadPanicStrategy { pub runtime: Symbol, pub strategy: PanicStrategy, } #[derive(Diagnostic)] -#[diag(metadata::required_panic_strategy)] +#[diag(metadata_required_panic_strategy)] pub struct RequiredPanicStrategy { pub crate_name: Symbol, pub found_strategy: PanicStrategy, @@ -54,7 +54,7 @@ pub struct RequiredPanicStrategy { } #[derive(Diagnostic)] -#[diag(metadata::incompatible_panic_in_drop_strategy)] +#[diag(metadata_incompatible_panic_in_drop_strategy)] pub struct IncompatiblePanicInDropStrategy { pub crate_name: Symbol, pub found_strategy: PanicStrategy, @@ -62,56 +62,56 @@ pub struct IncompatiblePanicInDropStrategy { } #[derive(Diagnostic)] -#[diag(metadata::multiple_names_in_link)] +#[diag(metadata_multiple_names_in_link)] pub struct MultipleNamesInLink { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::multiple_kinds_in_link)] +#[diag(metadata_multiple_kinds_in_link)] pub struct MultipleKindsInLink { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_name_form)] +#[diag(metadata_link_name_form)] pub struct LinkNameForm { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_kind_form)] +#[diag(metadata_link_kind_form)] pub struct LinkKindForm { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_modifiers_form)] +#[diag(metadata_link_modifiers_form)] pub struct LinkModifiersForm { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_cfg_form)] +#[diag(metadata_link_cfg_form)] pub struct LinkCfgForm { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::wasm_import_form)] +#[diag(metadata_wasm_import_form)] pub struct WasmImportForm { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::empty_link_name, code = "E0454")] +#[diag(metadata_empty_link_name, code = "E0454")] pub struct EmptyLinkName { #[primary_span] #[label] @@ -119,21 +119,21 @@ pub struct EmptyLinkName { } #[derive(Diagnostic)] -#[diag(metadata::link_framework_apple, code = "E0455")] +#[diag(metadata_link_framework_apple, code = "E0455")] pub struct LinkFrameworkApple { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::framework_only_windows, code = "E0455")] +#[diag(metadata_framework_only_windows, code = "E0455")] pub struct FrameworkOnlyWindows { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::unknown_link_kind, code = "E0458")] +#[diag(metadata_unknown_link_kind, code = "E0458")] pub struct UnknownLinkKind<'a> { #[primary_span] #[label] @@ -142,49 +142,49 @@ pub struct UnknownLinkKind<'a> { } #[derive(Diagnostic)] -#[diag(metadata::multiple_link_modifiers)] +#[diag(metadata_multiple_link_modifiers)] pub struct MultipleLinkModifiers { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::multiple_cfgs)] +#[diag(metadata_multiple_cfgs)] pub struct MultipleCfgs { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_cfg_single_predicate)] +#[diag(metadata_link_cfg_single_predicate)] pub struct LinkCfgSinglePredicate { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::multiple_wasm_import)] +#[diag(metadata_multiple_wasm_import)] pub struct MultipleWasmImport { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::unexpected_link_arg)] +#[diag(metadata_unexpected_link_arg)] pub struct UnexpectedLinkArg { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::invalid_link_modifier)] +#[diag(metadata_invalid_link_modifier)] pub struct InvalidLinkModifier { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::multiple_modifiers)] +#[diag(metadata_multiple_modifiers)] pub struct MultipleModifiers<'a> { #[primary_span] pub span: Span, @@ -192,28 +192,28 @@ pub struct MultipleModifiers<'a> { } #[derive(Diagnostic)] -#[diag(metadata::bundle_needs_static)] +#[diag(metadata_bundle_needs_static)] pub struct BundleNeedsStatic { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::whole_archive_needs_static)] +#[diag(metadata_whole_archive_needs_static)] pub struct WholeArchiveNeedsStatic { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::as_needed_compatibility)] +#[diag(metadata_as_needed_compatibility)] pub struct AsNeededCompatibility { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::unknown_link_modifier)] +#[diag(metadata_unknown_link_modifier)] pub struct UnknownLinkModifier<'a> { #[primary_span] pub span: Span, @@ -221,14 +221,14 @@ pub struct UnknownLinkModifier<'a> { } #[derive(Diagnostic)] -#[diag(metadata::incompatible_wasm_link)] +#[diag(metadata_incompatible_wasm_link)] pub struct IncompatibleWasmLink { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_requires_name, code = "E0459")] +#[diag(metadata_link_requires_name, code = "E0459")] pub struct LinkRequiresName { #[primary_span] #[label] @@ -236,126 +236,126 @@ pub struct LinkRequiresName { } #[derive(Diagnostic)] -#[diag(metadata::raw_dylib_no_nul)] +#[diag(metadata_raw_dylib_no_nul)] pub struct RawDylibNoNul { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::link_ordinal_raw_dylib)] +#[diag(metadata_link_ordinal_raw_dylib)] pub struct LinkOrdinalRawDylib { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::lib_framework_apple)] +#[diag(metadata_lib_framework_apple)] pub struct LibFrameworkApple; #[derive(Diagnostic)] -#[diag(metadata::empty_renaming_target)] +#[diag(metadata_empty_renaming_target)] pub struct EmptyRenamingTarget<'a> { pub lib_name: &'a str, } #[derive(Diagnostic)] -#[diag(metadata::renaming_no_link)] +#[diag(metadata_renaming_no_link)] pub struct RenamingNoLink<'a> { pub lib_name: &'a str, } #[derive(Diagnostic)] -#[diag(metadata::multiple_renamings)] +#[diag(metadata_multiple_renamings)] pub struct MultipleRenamings<'a> { pub lib_name: &'a str, } #[derive(Diagnostic)] -#[diag(metadata::no_link_mod_override)] +#[diag(metadata_no_link_mod_override)] pub struct NoLinkModOverride { #[primary_span] pub span: Option<Span>, } #[derive(Diagnostic)] -#[diag(metadata::unsupported_abi_i686)] +#[diag(metadata_unsupported_abi_i686)] pub struct UnsupportedAbiI686 { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::unsupported_abi)] +#[diag(metadata_unsupported_abi)] pub struct UnsupportedAbi { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::fail_create_file_encoder)] +#[diag(metadata_fail_create_file_encoder)] pub struct FailCreateFileEncoder { pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::fail_seek_file)] +#[diag(metadata_fail_seek_file)] pub struct FailSeekFile { pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::fail_write_file)] +#[diag(metadata_fail_write_file)] pub struct FailWriteFile { pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::crate_not_panic_runtime)] +#[diag(metadata_crate_not_panic_runtime)] pub struct CrateNotPanicRuntime { pub crate_name: Symbol, } #[derive(Diagnostic)] -#[diag(metadata::no_panic_strategy)] +#[diag(metadata_no_panic_strategy)] pub struct NoPanicStrategy { pub crate_name: Symbol, pub strategy: PanicStrategy, } #[derive(Diagnostic)] -#[diag(metadata::profiler_builtins_needs_core)] +#[diag(metadata_profiler_builtins_needs_core)] pub struct ProfilerBuiltinsNeedsCore; #[derive(Diagnostic)] -#[diag(metadata::not_profiler_runtime)] +#[diag(metadata_not_profiler_runtime)] pub struct NotProfilerRuntime { pub crate_name: Symbol, } #[derive(Diagnostic)] -#[diag(metadata::no_multiple_global_alloc)] +#[diag(metadata_no_multiple_global_alloc)] pub struct NoMultipleGlobalAlloc { #[primary_span] #[label] pub span2: Span, - #[label(metadata::prev_global_alloc)] + #[label(metadata_prev_global_alloc)] pub span1: Span, } #[derive(Diagnostic)] -#[diag(metadata::conflicting_global_alloc)] +#[diag(metadata_conflicting_global_alloc)] pub struct ConflictingGlobalAlloc { pub crate_name: Symbol, pub other_crate_name: Symbol, } #[derive(Diagnostic)] -#[diag(metadata::global_alloc_required)] +#[diag(metadata_global_alloc_required)] pub struct GlobalAllocRequired; #[derive(Diagnostic)] -#[diag(metadata::no_transitive_needs_dep)] +#[diag(metadata_no_transitive_needs_dep)] pub struct NoTransitiveNeedsDep<'a> { pub crate_name: Symbol, pub needs_crate_name: &'a str, @@ -363,14 +363,14 @@ pub struct NoTransitiveNeedsDep<'a> { } #[derive(Diagnostic)] -#[diag(metadata::failed_write_error)] +#[diag(metadata_failed_write_error)] pub struct FailedWriteError { pub filename: PathBuf, pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::missing_native_library)] +#[diag(metadata_missing_native_library)] pub struct MissingNativeLibrary<'a> { libname: &'a str, #[subdiagnostic] @@ -404,32 +404,32 @@ impl<'a> MissingNativeLibrary<'a> { } #[derive(Subdiagnostic)] -#[help(metadata::only_provide_library_name)] +#[help(metadata_only_provide_library_name)] pub struct SuggestLibraryName<'a> { suggested_name: &'a str, } #[derive(Diagnostic)] -#[diag(metadata::failed_create_tempdir)] +#[diag(metadata_failed_create_tempdir)] pub struct FailedCreateTempdir { pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::failed_create_file)] +#[diag(metadata_failed_create_file)] pub struct FailedCreateFile<'a> { pub filename: &'a Path, pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::failed_create_encoded_metadata)] +#[diag(metadata_failed_create_encoded_metadata)] pub struct FailedCreateEncodedMetadata { pub err: Error, } #[derive(Diagnostic)] -#[diag(metadata::non_ascii_name)] +#[diag(metadata_non_ascii_name)] pub struct NonAsciiName { #[primary_span] pub span: Span, @@ -437,7 +437,7 @@ pub struct NonAsciiName { } #[derive(Diagnostic)] -#[diag(metadata::extern_location_not_exist)] +#[diag(metadata_extern_location_not_exist)] pub struct ExternLocationNotExist<'a> { #[primary_span] pub span: Span, @@ -446,7 +446,7 @@ pub struct ExternLocationNotExist<'a> { } #[derive(Diagnostic)] -#[diag(metadata::extern_location_not_file)] +#[diag(metadata_extern_location_not_file)] pub struct ExternLocationNotFile<'a> { #[primary_span] pub span: Span, @@ -466,7 +466,7 @@ impl IntoDiagnostic<'_> for MultipleCandidates { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::metadata::multiple_candidates); + let mut diag = handler.struct_err(rustc_errors::fluent::metadata_multiple_candidates); diag.set_arg("crate_name", self.crate_name); diag.set_arg("flavor", self.flavor); diag.code(error_code!(E0465)); @@ -479,7 +479,7 @@ impl IntoDiagnostic<'_> for MultipleCandidates { } #[derive(Diagnostic)] -#[diag(metadata::multiple_matching_crates, code = "E0464")] +#[diag(metadata_multiple_matching_crates, code = "E0464")] #[note] pub struct MultipleMatchingCrates { #[primary_span] @@ -489,7 +489,7 @@ pub struct MultipleMatchingCrates { } #[derive(Diagnostic)] -#[diag(metadata::symbol_conflicts_current, code = "E0519")] +#[diag(metadata_symbol_conflicts_current, code = "E0519")] pub struct SymbolConflictsCurrent { #[primary_span] pub span: Span, @@ -497,7 +497,7 @@ pub struct SymbolConflictsCurrent { } #[derive(Diagnostic)] -#[diag(metadata::symbol_conflicts_others, code = "E0523")] +#[diag(metadata_symbol_conflicts_others, code = "E0523")] pub struct SymbolConflictsOthers { #[primary_span] pub span: Span, @@ -505,7 +505,7 @@ pub struct SymbolConflictsOthers { } #[derive(Diagnostic)] -#[diag(metadata::stable_crate_id_collision)] +#[diag(metadata_stable_crate_id_collision)] pub struct StableCrateIdCollision { #[primary_span] pub span: Span, @@ -514,7 +514,7 @@ pub struct StableCrateIdCollision { } #[derive(Diagnostic)] -#[diag(metadata::dl_error)] +#[diag(metadata_dl_error)] pub struct DlError { #[primary_span] pub span: Span, @@ -522,9 +522,9 @@ pub struct DlError { } #[derive(Diagnostic)] -#[diag(metadata::newer_crate_version, code = "E0460")] +#[diag(metadata_newer_crate_version, code = "E0460")] #[note] -#[note(metadata::found_crate_versions)] +#[note(metadata_found_crate_versions)] pub struct NewerCrateVersion { #[primary_span] pub span: Span, @@ -534,8 +534,8 @@ pub struct NewerCrateVersion { } #[derive(Diagnostic)] -#[diag(metadata::no_crate_with_triple, code = "E0461")] -#[note(metadata::found_crate_versions)] +#[diag(metadata_no_crate_with_triple, code = "E0461")] +#[note(metadata_found_crate_versions)] pub struct NoCrateWithTriple<'a> { #[primary_span] pub span: Span, @@ -546,8 +546,8 @@ pub struct NoCrateWithTriple<'a> { } #[derive(Diagnostic)] -#[diag(metadata::found_staticlib, code = "E0462")] -#[note(metadata::found_crate_versions)] +#[diag(metadata_found_staticlib, code = "E0462")] +#[note(metadata_found_crate_versions)] #[help] pub struct FoundStaticlib { #[primary_span] @@ -558,8 +558,8 @@ pub struct FoundStaticlib { } #[derive(Diagnostic)] -#[diag(metadata::incompatible_rustc, code = "E0514")] -#[note(metadata::found_crate_versions)] +#[diag(metadata_incompatible_rustc, code = "E0514")] +#[note(metadata_found_crate_versions)] #[help] pub struct IncompatibleRustc { #[primary_span] @@ -582,7 +582,7 @@ impl IntoDiagnostic<'_> for InvalidMetadataFiles { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::metadata::invalid_meta_files); + let mut diag = handler.struct_err(rustc_errors::fluent::metadata_invalid_meta_files); diag.set_arg("crate_name", self.crate_name); diag.set_arg("add_info", self.add_info); diag.code(error_code!(E0786)); @@ -610,7 +610,7 @@ impl IntoDiagnostic<'_> for CannotFindCrate { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(rustc_errors::fluent::metadata::cannot_find_crate); + let mut diag = handler.struct_err(rustc_errors::fluent::metadata_cannot_find_crate); diag.set_arg("crate_name", self.crate_name); diag.set_arg("current_crate", self.current_crate); diag.set_arg("add_info", self.add_info); @@ -621,38 +621,38 @@ impl IntoDiagnostic<'_> for CannotFindCrate { && self.locator_triple != TargetTriple::from_triple(config::host_triple()) { if self.missing_core { - diag.note(rustc_errors::fluent::metadata::target_not_installed); + diag.note(rustc_errors::fluent::metadata_target_not_installed); } else { - diag.note(rustc_errors::fluent::metadata::target_no_std_support); + diag.note(rustc_errors::fluent::metadata_target_no_std_support); } // NOTE: this suggests using rustup, even though the user may not have it installed. // That's because they could choose to install it; or this may give them a hint which // target they need to install from their distro. if self.missing_core { - diag.help(rustc_errors::fluent::metadata::consider_downloading_target); + diag.help(rustc_errors::fluent::metadata_consider_downloading_target); } // Suggest using #![no_std]. #[no_core] is unstable and not really supported anyway. // NOTE: this is a dummy span if `extern crate std` was injected by the compiler. // If it's not a dummy, that means someone added `extern crate std` explicitly and // `#![no_std]` won't help. if !self.missing_core && self.span.is_dummy() { - diag.note(rustc_errors::fluent::metadata::std_required); + diag.note(rustc_errors::fluent::metadata_std_required); } if self.is_nightly_build { - diag.help(rustc_errors::fluent::metadata::consider_building_std); + diag.help(rustc_errors::fluent::metadata_consider_building_std); } } else if self.crate_name == self.profiler_runtime { - diag.note(rustc_errors::fluent::metadata::compiler_missing_profiler); + diag.note(rustc_errors::fluent::metadata_compiler_missing_profiler); } else if self.crate_name.as_str().starts_with("rustc_") { - diag.help(rustc_errors::fluent::metadata::install_missing_components); + diag.help(rustc_errors::fluent::metadata_install_missing_components); } - diag.span_label(self.span, rustc_errors::fluent::metadata::cant_find_crate); + diag.span_label(self.span, rustc_errors::fluent::metadata_cant_find_crate); diag } } #[derive(Diagnostic)] -#[diag(metadata::no_dylib_plugin, code = "E0457")] +#[diag(metadata_no_dylib_plugin, code = "E0457")] pub struct NoDylibPlugin { #[primary_span] pub span: Span, @@ -660,7 +660,7 @@ pub struct NoDylibPlugin { } #[derive(Diagnostic)] -#[diag(metadata::crate_location_unknown_type)] +#[diag(metadata_crate_location_unknown_type)] pub struct CrateLocationUnknownType<'a> { #[primary_span] pub span: Span, @@ -668,7 +668,7 @@ pub struct CrateLocationUnknownType<'a> { } #[derive(Diagnostic)] -#[diag(metadata::lib_filename_form)] +#[diag(metadata_lib_filename_form)] pub struct LibFilenameForm<'a> { #[primary_span] pub span: Span, @@ -677,28 +677,28 @@ pub struct LibFilenameForm<'a> { } #[derive(Diagnostic)] -#[diag(metadata::multiple_import_name_type)] +#[diag(metadata_multiple_import_name_type)] pub struct MultipleImportNameType { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::import_name_type_form)] +#[diag(metadata_import_name_type_form)] pub struct ImportNameTypeForm { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::import_name_type_x86)] +#[diag(metadata_import_name_type_x86)] pub struct ImportNameTypeX86 { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(metadata::unknown_import_name_type)] +#[diag(metadata_unknown_import_name_type)] pub struct UnknownImportNameType<'a> { #[primary_span] pub span: Span, @@ -706,7 +706,7 @@ pub struct UnknownImportNameType<'a> { } #[derive(Diagnostic)] -#[diag(metadata::import_name_type_raw)] +#[diag(metadata_import_name_type_raw)] pub struct ImportNameTypeRaw { #[primary_span] pub span: Span, diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index c4dff8b3f48..a0a0855251b 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -15,7 +15,6 @@ use rustc_middle::ty::fast_reject::SimplifiedType; use rustc_middle::ty::query::{ExternProviders, Providers}; use rustc_middle::ty::{self, TyCtxt, Visibility}; use rustc_session::cstore::{CrateSource, CrateStore}; -use rustc_session::utils::NativeLibKind; use rustc_session::{Session, StableCrateId}; use rustc_span::hygiene::{ExpnHash, ExpnId}; use rustc_span::source_map::{Span, Spanned}; @@ -224,6 +223,7 @@ provide! { tcx, def_id, other, cdata, fn_arg_names => { table } generator_kind => { table } trait_def => { table } + deduced_param_attrs => { table } collect_trait_impl_trait_tys => { Ok(cdata .root @@ -339,20 +339,10 @@ pub(in crate::rmeta) fn provide(providers: &mut Providers) { // resolve! Does this work? Unsure! That's what the issue is about *providers = Providers { allocator_kind: |tcx, ()| CStore::from_tcx(tcx).allocator_kind(), - is_dllimport_foreign_item: |tcx, id| match tcx.native_library_kind(id) { - Some( - NativeLibKind::Dylib { .. } | NativeLibKind::RawDylib | NativeLibKind::Unspecified, - ) => true, - _ => false, - }, - is_statically_included_foreign_item: |tcx, id| { - matches!(tcx.native_library_kind(id), Some(NativeLibKind::Static { .. })) - }, is_private_dep: |_tcx, cnum| { assert_eq!(cnum, LOCAL_CRATE); false }, - native_library_kind: |tcx, id| tcx.native_library(id).map(|l| l.kind), native_library: |tcx, id| { tcx.native_libraries(id.krate) .iter() @@ -597,11 +587,6 @@ impl CStore { self.get_crate_data(cnum).get_proc_macro_quoted_span(id, sess) } - /// Decodes all traits in the crate (for rustdoc). - pub fn traits_in_crate_untracked(&self, cnum: CrateNum) -> impl Iterator<Item = DefId> + '_ { - self.get_crate_data(cnum).get_traits() - } - /// Decodes all trait impls in the crate (for rustdoc). pub fn trait_impls_in_crate_untracked( &self, diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 68119598285..c019211a948 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -3,6 +3,7 @@ use crate::rmeta::def_path_hash_map::DefPathHashMapRef; use crate::rmeta::table::TableBuilder; use crate::rmeta::*; +use rustc_ast::Attribute; use rustc_data_structures::fingerprint::Fingerprint; use rustc_data_structures::fx::{FxHashMap, FxIndexSet}; use rustc_data_structures::memmap::{Mmap, MmapMut}; @@ -30,7 +31,7 @@ use rustc_middle::ty::query::Providers; use rustc_middle::ty::{self, SymbolName, Ty, TyCtxt}; use rustc_middle::util::common::to_readable_str; use rustc_serialize::{opaque, Decodable, Decoder, Encodable, Encoder}; -use rustc_session::config::CrateType; +use rustc_session::config::{CrateType, OptLevel}; use rustc_session::cstore::{ForeignModule, LinkagePreference, NativeLib}; use rustc_span::hygiene::{ExpnIndex, HygieneEncodeContext, MacroKind}; use rustc_span::symbol::{sym, Symbol}; @@ -764,6 +765,40 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { } } +/// Returns whether an attribute needs to be recorded in metadata, that is, if it's usable and +/// useful in downstream crates. Local-only attributes are an obvious example, but some +/// rustdoc-specific attributes can equally be of use while documenting the current crate only. +/// +/// Removing these superfluous attributes speeds up compilation by making the metadata smaller. +/// +/// Note: the `is_def_id_public` parameter is used to cache whether the given `DefId` has a public +/// visibility: this is a piece of data that can be computed once per defid, and not once per +/// attribute. Some attributes would only be usable downstream if they are public. +#[inline] +fn should_encode_attr( + tcx: TyCtxt<'_>, + attr: &Attribute, + def_id: LocalDefId, + is_def_id_public: &mut Option<bool>, +) -> bool { + if rustc_feature::is_builtin_only_local(attr.name_or_empty()) { + // Attributes marked local-only don't need to be encoded for downstream crates. + false + } else if attr.doc_str().is_some() { + // We keep all public doc comments because they might be "imported" into downstream crates + // if they use `#[doc(inline)]` to copy an item's documentation into their own. + *is_def_id_public.get_or_insert_with(|| { + tcx.privacy_access_levels(()).get_effective_vis(def_id).is_some() + }) + } else if attr.has_name(sym::doc) { + // If this is a `doc` attribute, and it's marked `inline` (as in `#[doc(inline)]`), we can + // remove it. It won't be inlinable in downstream crates. + attr.meta_item_list().map(|l| l.iter().any(|l| !l.has_name(sym::inline))).unwrap_or(false) + } else { + true + } +} + fn should_encode_visibility(def_kind: DefKind) -> bool { match def_kind { DefKind::Mod @@ -1126,12 +1161,14 @@ fn should_encode_trait_impl_trait_tys<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> impl<'a, 'tcx> EncodeContext<'a, 'tcx> { fn encode_attrs(&mut self, def_id: LocalDefId) { - let mut attrs = self - .tcx + let tcx = self.tcx; + let mut is_public: Option<bool> = None; + + let mut attrs = tcx .hir() - .attrs(self.tcx.hir().local_def_id_to_hir_id(def_id)) + .attrs(tcx.hir().local_def_id_to_hir_id(def_id)) .iter() - .filter(|attr| !rustc_feature::is_builtin_only_local(attr.name_or_empty())); + .filter(move |attr| should_encode_attr(tcx, attr, def_id, &mut is_public)); record_array!(self.tables.attributes[def_id.to_def_id()] <- attrs.clone()); if attrs.any(|attr| attr.may_have_doc_links()) { @@ -1441,6 +1478,21 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { record!(self.tables.unused_generic_params[def_id.to_def_id()] <- unused); } } + + // Encode all the deduced parameter attributes for everything that has MIR, even for items + // that can't be inlined. But don't if we aren't optimizing in non-incremental mode, to + // save the query traffic. + if tcx.sess.opts.output_types.should_codegen() + && tcx.sess.opts.optimize != OptLevel::No + && tcx.sess.opts.incremental.is_none() + { + for &local_def_id in tcx.mir_keys(()) { + if let DefKind::AssocFn | DefKind::Fn = tcx.def_kind(local_def_id) { + record_array!(self.tables.deduced_param_attrs[local_def_id.to_def_id()] <- + self.tcx.deduced_param_attrs(local_def_id.to_def_id())); + } + } + } } fn encode_stability(&mut self, def_id: DefId) { diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index a509ecdf759..27dc8ff16ac 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -23,7 +23,7 @@ use rustc_middle::mir; use rustc_middle::ty::fast_reject::SimplifiedType; use rustc_middle::ty::query::Providers; use rustc_middle::ty::{self, ReprOptions, Ty}; -use rustc_middle::ty::{GeneratorDiagnosticData, ParameterizedOverTcx, TyCtxt}; +use rustc_middle::ty::{DeducedParamAttrs, GeneratorDiagnosticData, ParameterizedOverTcx, TyCtxt}; use rustc_serialize::opaque::FileEncoder; use rustc_session::config::SymbolManglingVersion; use rustc_session::cstore::{CrateDepKind, ForeignModule, LinkagePreference, NativeLib}; @@ -402,6 +402,7 @@ define_tables! { macro_definition: Table<DefIndex, LazyValue<ast::MacArgs>>, proc_macro: Table<DefIndex, MacroKind>, module_reexports: Table<DefIndex, LazyArray<ModChild>>, + deduced_param_attrs: Table<DefIndex, LazyArray<DeducedParamAttrs>>, trait_impl_trait_tys: Table<DefIndex, LazyValue<FxHashMap<DefId, Ty<'static>>>>, } diff --git a/compiler/rustc_middle/src/error.rs b/compiler/rustc_middle/src/error.rs index e69cb546d15..a7a7ac0599d 100644 --- a/compiler/rustc_middle/src/error.rs +++ b/compiler/rustc_middle/src/error.rs @@ -4,7 +4,7 @@ use rustc_span::Span; use crate::ty::Ty; #[derive(Diagnostic)] -#[diag(middle::drop_check_overflow, code = "E0320")] +#[diag(middle_drop_check_overflow, code = "E0320")] #[note] pub struct DropCheckOverflow<'tcx> { #[primary_span] @@ -14,7 +14,7 @@ pub struct DropCheckOverflow<'tcx> { } #[derive(Diagnostic)] -#[diag(middle::opaque_hidden_type_mismatch)] +#[diag(middle_opaque_hidden_type_mismatch)] pub struct OpaqueHiddenTypeMismatch<'tcx> { pub self_ty: Ty<'tcx>, pub other_ty: Ty<'tcx>, @@ -27,12 +27,12 @@ pub struct OpaqueHiddenTypeMismatch<'tcx> { #[derive(Subdiagnostic)] pub enum TypeMismatchReason { - #[label(middle::conflict_types)] + #[label(middle_conflict_types)] ConflictType { #[primary_span] span: Span, }, - #[note(middle::previous_use_here)] + #[note(middle_previous_use_here)] PreviousUse { #[primary_span] span: Span, @@ -40,7 +40,7 @@ pub enum TypeMismatchReason { } #[derive(Diagnostic)] -#[diag(middle::limit_invalid)] +#[diag(middle_limit_invalid)] pub struct LimitInvalid<'a> { #[primary_span] pub span: Span, @@ -50,7 +50,7 @@ pub struct LimitInvalid<'a> { } #[derive(Diagnostic)] -#[diag(middle::const_eval_non_int)] +#[diag(middle_const_eval_non_int)] pub struct ConstEvalNonIntError { #[primary_span] pub span: Span, diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 45c84680ad2..a58cbc3767e 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -55,6 +55,7 @@ #![feature(drain_filter)] #![feature(intra_doc_pointers)] #![feature(yeet_expr)] +#![feature(result_option_inspect)] #![feature(const_option)] #![recursion_limit = "512"] #![allow(rustc::potential_query_instability)] diff --git a/compiler/rustc_middle/src/mir/interpret/queries.rs b/compiler/rustc_middle/src/mir/interpret/queries.rs index 8f67161420d..473894ac1ca 100644 --- a/compiler/rustc_middle/src/mir/interpret/queries.rs +++ b/compiler/rustc_middle/src/mir/interpret/queries.rs @@ -4,7 +4,9 @@ use crate::mir; use crate::ty::subst::InternalSubsts; use crate::ty::visit::TypeVisitable; use crate::ty::{self, query::TyCtxtAt, query::TyCtxtEnsure, TyCtxt}; +use rustc_hir::def::DefKind; use rustc_hir::def_id::DefId; +use rustc_session::lint; use rustc_span::{Span, DUMMY_SP}; impl<'tcx> TyCtxt<'tcx> { @@ -51,7 +53,7 @@ impl<'tcx> TyCtxt<'tcx> { match ty::Instance::resolve_opt_const_arg( self, param_env, - // FIXME: maybe have a seperate version for resolving mir::UnevaluatedConst? + // FIXME: maybe have a separate version for resolving mir::UnevaluatedConst? ct.def, ct.substs, ) { Ok(Some(instance)) => { @@ -83,7 +85,29 @@ impl<'tcx> TyCtxt<'tcx> { match ty::Instance::resolve_opt_const_arg(self, param_env, ct.def, ct.substs) { Ok(Some(instance)) => { let cid = GlobalId { instance, promoted: None }; - self.const_eval_global_id_for_typeck(param_env, cid, span) + self.const_eval_global_id_for_typeck(param_env, cid, span).inspect(|_| { + // We are emitting the lint here instead of in `is_const_evaluatable` + // as we normalize obligations before checking them, and normalization + // uses this function to evaluate this constant. + // + // @lcnr believes that successfully evaluating even though there are + // used generic parameters is a bug of evaluation, so checking for it + // here does feel somewhat sensible. + if !self.features().generic_const_exprs && ct.substs.has_non_region_param() { + assert!(matches!(self.def_kind(ct.def.did), DefKind::AnonConst)); + let mir_body = self.mir_for_ctfe_opt_const_arg(ct.def); + if mir_body.is_polymorphic { + let Some(local_def_id) = ct.def.did.as_local() else { return }; + self.struct_span_lint_hir( + lint::builtin::CONST_EVALUATABLE_UNCHECKED, + self.hir().local_def_id_to_hir_id(local_def_id), + self.def_span(ct.def.did), + "cannot use constants which depend on generic parameters in types", + |err| err, + ) + } + } + }) } Ok(None) => Err(ErrorHandled::TooGeneric), Err(error_reported) => Err(ErrorHandled::Reported(error_reported)), diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index ea81d4465fb..2ab3b0d27c8 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -1587,16 +1587,6 @@ rustc_queries! { separate_provide_extern } - query is_dllimport_foreign_item(def_id: DefId) -> bool { - desc { |tcx| "checking if `{}` is a a dylib", tcx.def_path_str(def_id) } - } - query is_statically_included_foreign_item(def_id: DefId) -> bool { - desc { |tcx| "checking if `{}` is a staticlib", tcx.def_path_str(def_id) } - } - query native_library_kind(def_id: DefId) - -> Option<NativeLibKind> { - desc { |tcx| "getting the native library kind of `{}`", tcx.def_path_str(def_id) } - } query native_library(def_id: DefId) -> Option<&'tcx NativeLib> { desc { |tcx| "getting the native library for `{}`", tcx.def_path_str(def_id) } } @@ -1653,14 +1643,13 @@ rustc_queries! { separate_provide_extern } - /// Computes the set of modules from which this type is visibly uninhabited. - /// To check whether a type is uninhabited at all (not just from a given module), you could - /// check whether the forest is empty. - query type_uninhabited_from( - key: ty::ParamEnvAnd<'tcx, Ty<'tcx>> - ) -> ty::inhabitedness::DefIdForest<'tcx> { - desc { "computing the inhabitedness of `{}`", key.value } - remap_env_constness + query inhabited_predicate_adt(key: DefId) -> ty::inhabitedness::InhabitedPredicate<'tcx> { + desc { "computing the uninhabited predicate of `{:?}`", key } + } + + /// Do not call this query directly: invoke `Ty::inhabited_predicate` instead. + query inhabited_predicate_type(key: Ty<'tcx>) -> ty::inhabitedness::InhabitedPredicate<'tcx> { + desc { "computing the uninhabited predicate of `{}`", key } } query dep_kind(_: CrateNum) -> CrateDepKind { @@ -2127,4 +2116,9 @@ rustc_queries! { ) -> Result<(), ErrorGuaranteed> { desc { |tcx| "checking assoc const `{}` has the same type as trait item", tcx.def_path_str(key.0.to_def_id()) } } + + query deduced_param_attrs(def_id: DefId) -> &'tcx [ty::DeducedParamAttrs] { + desc { |tcx| "deducing parameter attributes for {}", tcx.def_path_str(def_id) } + separate_provide_extern + } } diff --git a/compiler/rustc_middle/src/ty/codec.rs b/compiler/rustc_middle/src/ty/codec.rs index 51137c52659..14ec88b7e0d 100644 --- a/compiler/rustc_middle/src/ty/codec.rs +++ b/compiler/rustc_middle/src/ty/codec.rs @@ -455,6 +455,7 @@ impl_arena_copy_decoder! {<'tcx> rustc_span::def_id::DefId, rustc_span::def_id::LocalDefId, (rustc_middle::middle::exported_symbols::ExportedSymbol<'tcx>, rustc_middle::middle::exported_symbols::SymbolExportInfo), + ty::DeducedParamAttrs, } #[macro_export] diff --git a/compiler/rustc_middle/src/ty/consts.rs b/compiler/rustc_middle/src/ty/consts.rs index 315e3794f15..f998e608344 100644 --- a/compiler/rustc_middle/src/ty/consts.rs +++ b/compiler/rustc_middle/src/ty/consts.rs @@ -263,6 +263,10 @@ impl<'tcx> Const<'tcx> { self.try_eval_usize(tcx, param_env) .unwrap_or_else(|| bug!("expected usize, got {:#?}", self)) } + + pub fn is_ct_infer(self) -> bool { + matches!(self.kind(), ty::ConstKind::Infer(_)) + } } pub fn const_param_default<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> Const<'tcx> { diff --git a/compiler/rustc_middle/src/ty/consts/kind.rs b/compiler/rustc_middle/src/ty/consts/kind.rs index 03866d5e054..4ab761e0715 100644 --- a/compiler/rustc_middle/src/ty/consts/kind.rs +++ b/compiler/rustc_middle/src/ty/consts/kind.rs @@ -15,7 +15,7 @@ use super::ScalarInt; /// An unevaluated (potentially generic) constant used in the type-system. #[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord, TyEncodable, TyDecodable, Lift)] -#[derive(Hash, HashStable)] +#[derive(Hash, HashStable, TypeFoldable, TypeVisitable)] pub struct UnevaluatedConst<'tcx> { pub def: ty::WithOptConstParam<DefId>, pub substs: SubstsRef<'tcx>, diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 03bb7e54fd5..0816a5cb8f1 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -2954,6 +2954,21 @@ impl<'tcx> TyCtxtAt<'tcx> { } } +/// Parameter attributes that can only be determined by examining the body of a function instead +/// of just its signature. +/// +/// These can be useful for optimization purposes when a function is directly called. We compute +/// them and store them into the crate metadata so that downstream crates can make use of them. +/// +/// Right now, we only have `read_only`, but `no_capture` and `no_alias` might be useful in the +/// future. +#[derive(Clone, Copy, PartialEq, Debug, Default, TyDecodable, TyEncodable, HashStable)] +pub struct DeducedParamAttrs { + /// The parameter is marked immutable in the function and contains no `UnsafeCell` (i.e. its + /// type is freeze). + pub read_only: bool, +} + // We are comparing types with different invariant lifetimes, so `ptr::eq` // won't work for us. fn ptr_eq<T, U>(t: *const T, u: *const U) -> bool { diff --git a/compiler/rustc_middle/src/ty/diagnostics.rs b/compiler/rustc_middle/src/ty/diagnostics.rs index ffade628e53..b8fd01e6a77 100644 --- a/compiler/rustc_middle/src/ty/diagnostics.rs +++ b/compiler/rustc_middle/src/ty/diagnostics.rs @@ -513,7 +513,7 @@ impl<'tcx> TypeVisitor<'tcx> for IsSuggestableVisitor<'tcx> { } #[derive(Diagnostic)] -#[diag(borrowck::const_not_used_in_type_alias)] +#[diag(borrowck_const_not_used_in_type_alias)] pub(super) struct ConstNotUsedTraitAlias { pub ct: String, #[primary_span] diff --git a/compiler/rustc_middle/src/ty/flags.rs b/compiler/rustc_middle/src/ty/flags.rs index a6d0678e99d..7201737be65 100644 --- a/compiler/rustc_middle/src/ty/flags.rs +++ b/compiler/rustc_middle/src/ty/flags.rs @@ -34,12 +34,6 @@ impl FlagComputation { result.flags } - pub fn for_unevaluated_const(uv: ty::UnevaluatedConst<'_>) -> TypeFlags { - let mut result = FlagComputation::new(); - result.add_unevaluated_const(uv); - result.flags - } - fn add_flags(&mut self, flags: TypeFlags) { self.flags = self.flags | flags; } @@ -256,7 +250,7 @@ impl FlagComputation { self.add_substs(substs); } ty::PredicateKind::ConstEvaluatable(uv) => { - self.add_unevaluated_const(uv); + self.add_const(uv); } ty::PredicateKind::ConstEquate(expected, found) => { self.add_const(expected); @@ -289,7 +283,10 @@ impl FlagComputation { fn add_const(&mut self, c: ty::Const<'_>) { self.add_ty(c.ty()); match c.kind() { - ty::ConstKind::Unevaluated(unevaluated) => self.add_unevaluated_const(unevaluated), + ty::ConstKind::Unevaluated(uv) => { + self.add_substs(uv.substs); + self.add_flags(TypeFlags::HAS_CT_PROJECTION); + } ty::ConstKind::Infer(infer) => { self.add_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE); match infer { @@ -313,11 +310,6 @@ impl FlagComputation { } } - fn add_unevaluated_const(&mut self, ct: ty::UnevaluatedConst<'_>) { - self.add_substs(ct.substs); - self.add_flags(TypeFlags::HAS_CT_PROJECTION); - } - fn add_existential_projection(&mut self, projection: &ty::ExistentialProjection<'_>) { self.add_substs(projection.substs); match projection.term.unpack() { diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index f456999ae3e..54f1499eb3d 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -126,13 +126,6 @@ pub trait TypeFolder<'tcx>: FallibleTypeFolder<'tcx, Error = !> { c.super_fold_with(self) } - fn fold_ty_unevaluated( - &mut self, - uv: ty::UnevaluatedConst<'tcx>, - ) -> ty::UnevaluatedConst<'tcx> { - uv.super_fold_with(self) - } - fn fold_predicate(&mut self, p: ty::Predicate<'tcx>) -> ty::Predicate<'tcx> { p.super_fold_with(self) } @@ -169,13 +162,6 @@ pub trait FallibleTypeFolder<'tcx>: Sized { c.try_super_fold_with(self) } - fn try_fold_ty_unevaluated( - &mut self, - c: ty::UnevaluatedConst<'tcx>, - ) -> Result<ty::UnevaluatedConst<'tcx>, Self::Error> { - c.try_super_fold_with(self) - } - fn try_fold_predicate( &mut self, p: ty::Predicate<'tcx>, @@ -215,13 +201,6 @@ where Ok(self.fold_const(c)) } - fn try_fold_ty_unevaluated( - &mut self, - c: ty::UnevaluatedConst<'tcx>, - ) -> Result<ty::UnevaluatedConst<'tcx>, !> { - Ok(self.fold_ty_unevaluated(c)) - } - fn try_fold_predicate(&mut self, p: ty::Predicate<'tcx>) -> Result<ty::Predicate<'tcx>, !> { Ok(self.fold_predicate(p)) } diff --git a/compiler/rustc_middle/src/ty/inhabitedness/def_id_forest.rs b/compiler/rustc_middle/src/ty/inhabitedness/def_id_forest.rs deleted file mode 100644 index c4ad698ba76..00000000000 --- a/compiler/rustc_middle/src/ty/inhabitedness/def_id_forest.rs +++ /dev/null @@ -1,145 +0,0 @@ -use crate::ty::context::TyCtxt; -use crate::ty::{DefId, DefIdTree}; -use rustc_span::def_id::CRATE_DEF_ID; -use smallvec::SmallVec; -use std::mem; - -use DefIdForest::*; - -/// Represents a forest of `DefId`s closed under the ancestor relation. That is, -/// if a `DefId` representing a module is contained in the forest then all -/// `DefId`s defined in that module or submodules are also implicitly contained -/// in the forest. -/// -/// This is used to represent a set of modules in which a type is visibly -/// uninhabited. -/// -/// We store the minimal set of `DefId`s required to represent the whole set. If A and B are -/// `DefId`s in the `DefIdForest`, and A is a parent of B, then only A will be stored. When this is -/// used with `type_uninhabited_from`, there will very rarely be more than one `DefId` stored. -#[derive(Copy, Clone, HashStable, Debug)] -pub enum DefIdForest<'a> { - Empty, - Single(DefId), - /// This variant is very rare. - /// Invariant: >1 elements - Multiple(&'a [DefId]), -} - -/// Tests whether a slice of roots contains a given DefId. -#[inline] -fn slice_contains<'tcx>(tcx: TyCtxt<'tcx>, slice: &[DefId], id: DefId) -> bool { - slice.iter().any(|root_id| tcx.is_descendant_of(id, *root_id)) -} - -impl<'tcx> DefIdForest<'tcx> { - /// Creates an empty forest. - pub fn empty() -> DefIdForest<'tcx> { - DefIdForest::Empty - } - - /// Creates a forest consisting of a single tree representing the entire - /// crate. - #[inline] - pub fn full() -> DefIdForest<'tcx> { - DefIdForest::from_id(CRATE_DEF_ID.to_def_id()) - } - - /// Creates a forest containing a `DefId` and all its descendants. - pub fn from_id(id: DefId) -> DefIdForest<'tcx> { - DefIdForest::Single(id) - } - - fn as_slice(&self) -> &[DefId] { - match self { - Empty => &[], - Single(id) => std::slice::from_ref(id), - Multiple(root_ids) => root_ids, - } - } - - // Only allocates in the rare `Multiple` case. - fn from_vec(tcx: TyCtxt<'tcx>, root_ids: SmallVec<[DefId; 1]>) -> DefIdForest<'tcx> { - match &root_ids[..] { - [] => Empty, - [id] => Single(*id), - _ => DefIdForest::Multiple(tcx.arena.alloc_from_iter(root_ids)), - } - } - - /// Tests whether the forest is empty. - pub fn is_empty(&self) -> bool { - match self { - Empty => true, - Single(..) | Multiple(..) => false, - } - } - - /// Iterate over the set of roots. - fn iter(&self) -> impl Iterator<Item = DefId> + '_ { - self.as_slice().iter().copied() - } - - /// Tests whether the forest contains a given DefId. - pub fn contains(&self, tcx: TyCtxt<'tcx>, id: DefId) -> bool { - slice_contains(tcx, self.as_slice(), id) - } - - /// Calculate the intersection of a collection of forests. - pub fn intersection<I>(tcx: TyCtxt<'tcx>, iter: I) -> DefIdForest<'tcx> - where - I: IntoIterator<Item = DefIdForest<'tcx>>, - { - let mut iter = iter.into_iter(); - let mut ret: SmallVec<[_; 1]> = if let Some(first) = iter.next() { - SmallVec::from_slice(first.as_slice()) - } else { - return DefIdForest::full(); - }; - - let mut next_ret: SmallVec<[_; 1]> = SmallVec::new(); - for next_forest in iter { - // No need to continue if the intersection is already empty. - if ret.is_empty() || next_forest.is_empty() { - return DefIdForest::empty(); - } - - // We keep the elements in `ret` that are also in `next_forest`. - next_ret.extend(ret.iter().copied().filter(|&id| next_forest.contains(tcx, id))); - // We keep the elements in `next_forest` that are also in `ret`. - next_ret.extend(next_forest.iter().filter(|&id| slice_contains(tcx, &ret, id))); - - mem::swap(&mut next_ret, &mut ret); - next_ret.clear(); - } - DefIdForest::from_vec(tcx, ret) - } - - /// Calculate the union of a collection of forests. - pub fn union<I>(tcx: TyCtxt<'tcx>, iter: I) -> DefIdForest<'tcx> - where - I: IntoIterator<Item = DefIdForest<'tcx>>, - { - let mut ret: SmallVec<[_; 1]> = SmallVec::new(); - let mut next_ret: SmallVec<[_; 1]> = SmallVec::new(); - for next_forest in iter { - // Union with the empty set is a no-op. - if next_forest.is_empty() { - continue; - } - - // We add everything in `ret` that is not in `next_forest`. - next_ret.extend(ret.iter().copied().filter(|&id| !next_forest.contains(tcx, id))); - // We add everything in `next_forest` that we haven't added yet. - for id in next_forest.iter() { - if !slice_contains(tcx, &next_ret, id) { - next_ret.push(id); - } - } - - mem::swap(&mut next_ret, &mut ret); - next_ret.clear(); - } - DefIdForest::from_vec(tcx, ret) - } -} diff --git a/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs b/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs new file mode 100644 index 00000000000..b7aa455727d --- /dev/null +++ b/compiler/rustc_middle/src/ty/inhabitedness/inhabited_predicate.rs @@ -0,0 +1,204 @@ +use crate::ty::context::TyCtxt; +use crate::ty::{self, DefId, DefIdTree, ParamEnv, Ty}; + +/// Represents whether some type is inhabited in a given context. +/// Examples of uninhabited types are `!`, `enum Void {}`, or a struct +/// containing either of those types. +/// A type's inhabitedness may depend on the `ParamEnv` as well as what types +/// are visible in the current module. +#[derive(Clone, Copy, Debug, PartialEq, HashStable)] +pub enum InhabitedPredicate<'tcx> { + /// Inhabited + True, + /// Uninhabited + False, + /// Uninhabited when a const value is non-zero. This occurs when there is an + /// array of uninhabited items, but the array is inhabited if it is empty. + ConstIsZero(ty::Const<'tcx>), + /// Uninhabited if within a certain module. This occurs when an uninhabited + /// type has restricted visibility. + NotInModule(DefId), + /// Inhabited if some generic type is inhabited. + /// These are replaced by calling [`Self::subst`]. + GenericType(Ty<'tcx>), + /// A AND B + And(&'tcx [InhabitedPredicate<'tcx>; 2]), + /// A OR B + Or(&'tcx [InhabitedPredicate<'tcx>; 2]), +} + +impl<'tcx> InhabitedPredicate<'tcx> { + /// Returns true if the corresponding type is inhabited in the given + /// `ParamEnv` and module + pub fn apply(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>, module_def_id: DefId) -> bool { + let Ok(result) = self + .apply_inner::<!>(tcx, param_env, &|id| Ok(tcx.is_descendant_of(module_def_id, id))); + result + } + + /// Same as `apply`, but returns `None` if self contains a module predicate + pub fn apply_any_module(self, tcx: TyCtxt<'tcx>, param_env: ParamEnv<'tcx>) -> Option<bool> { + self.apply_inner(tcx, param_env, &|_| Err(())).ok() + } + + fn apply_inner<E>( + self, + tcx: TyCtxt<'tcx>, + param_env: ParamEnv<'tcx>, + in_module: &impl Fn(DefId) -> Result<bool, E>, + ) -> Result<bool, E> { + match self { + Self::False => Ok(false), + Self::True => Ok(true), + Self::ConstIsZero(const_) => match const_.try_eval_usize(tcx, param_env) { + None | Some(0) => Ok(true), + Some(1..) => Ok(false), + }, + Self::NotInModule(id) => in_module(id).map(|in_mod| !in_mod), + Self::GenericType(_) => Ok(true), + Self::And([a, b]) => try_and(a, b, |x| x.apply_inner(tcx, param_env, in_module)), + Self::Or([a, b]) => try_or(a, b, |x| x.apply_inner(tcx, param_env, in_module)), + } + } + + pub fn and(self, tcx: TyCtxt<'tcx>, other: Self) -> Self { + self.reduce_and(tcx, other).unwrap_or_else(|| Self::And(tcx.arena.alloc([self, other]))) + } + + pub fn or(self, tcx: TyCtxt<'tcx>, other: Self) -> Self { + self.reduce_or(tcx, other).unwrap_or_else(|| Self::Or(tcx.arena.alloc([self, other]))) + } + + pub fn all(tcx: TyCtxt<'tcx>, iter: impl IntoIterator<Item = Self>) -> Self { + let mut result = Self::True; + for pred in iter { + if matches!(pred, Self::False) { + return Self::False; + } + result = result.and(tcx, pred); + } + result + } + + pub fn any(tcx: TyCtxt<'tcx>, iter: impl IntoIterator<Item = Self>) -> Self { + let mut result = Self::False; + for pred in iter { + if matches!(pred, Self::True) { + return Self::True; + } + result = result.or(tcx, pred); + } + result + } + + fn reduce_and(self, tcx: TyCtxt<'tcx>, other: Self) -> Option<Self> { + match (self, other) { + (Self::True, a) | (a, Self::True) => Some(a), + (Self::False, _) | (_, Self::False) => Some(Self::False), + (Self::ConstIsZero(a), Self::ConstIsZero(b)) if a == b => Some(Self::ConstIsZero(a)), + (Self::NotInModule(a), Self::NotInModule(b)) if a == b => Some(Self::NotInModule(a)), + (Self::NotInModule(a), Self::NotInModule(b)) if tcx.is_descendant_of(a, b) => { + Some(Self::NotInModule(b)) + } + (Self::NotInModule(a), Self::NotInModule(b)) if tcx.is_descendant_of(b, a) => { + Some(Self::NotInModule(a)) + } + (Self::GenericType(a), Self::GenericType(b)) if a == b => Some(Self::GenericType(a)), + (Self::And(&[a, b]), c) | (c, Self::And(&[a, b])) => { + if let Some(ac) = a.reduce_and(tcx, c) { + Some(ac.and(tcx, b)) + } else if let Some(bc) = b.reduce_and(tcx, c) { + Some(Self::And(tcx.arena.alloc([a, bc]))) + } else { + None + } + } + _ => None, + } + } + + fn reduce_or(self, tcx: TyCtxt<'tcx>, other: Self) -> Option<Self> { + match (self, other) { + (Self::True, _) | (_, Self::True) => Some(Self::True), + (Self::False, a) | (a, Self::False) => Some(a), + (Self::ConstIsZero(a), Self::ConstIsZero(b)) if a == b => Some(Self::ConstIsZero(a)), + (Self::NotInModule(a), Self::NotInModule(b)) if a == b => Some(Self::NotInModule(a)), + (Self::NotInModule(a), Self::NotInModule(b)) if tcx.is_descendant_of(a, b) => { + Some(Self::NotInModule(a)) + } + (Self::NotInModule(a), Self::NotInModule(b)) if tcx.is_descendant_of(b, a) => { + Some(Self::NotInModule(b)) + } + (Self::GenericType(a), Self::GenericType(b)) if a == b => Some(Self::GenericType(a)), + (Self::Or(&[a, b]), c) | (c, Self::Or(&[a, b])) => { + if let Some(ac) = a.reduce_or(tcx, c) { + Some(ac.or(tcx, b)) + } else if let Some(bc) = b.reduce_or(tcx, c) { + Some(Self::Or(tcx.arena.alloc([a, bc]))) + } else { + None + } + } + _ => None, + } + } + + /// Replaces generic types with its corresponding predicate + pub fn subst(self, tcx: TyCtxt<'tcx>, substs: ty::SubstsRef<'tcx>) -> Self { + self.subst_opt(tcx, substs).unwrap_or(self) + } + + fn subst_opt(self, tcx: TyCtxt<'tcx>, substs: ty::SubstsRef<'tcx>) -> Option<Self> { + match self { + Self::ConstIsZero(c) => { + let c = ty::EarlyBinder(c).subst(tcx, substs); + let pred = match c.kind().try_to_machine_usize(tcx) { + Some(0) => Self::True, + Some(1..) => Self::False, + None => Self::ConstIsZero(c), + }; + Some(pred) + } + Self::GenericType(t) => { + Some(ty::EarlyBinder(t).subst(tcx, substs).inhabited_predicate(tcx)) + } + Self::And(&[a, b]) => match a.subst_opt(tcx, substs) { + None => b.subst_opt(tcx, substs).map(|b| a.and(tcx, b)), + Some(InhabitedPredicate::False) => Some(InhabitedPredicate::False), + Some(a) => Some(a.and(tcx, b.subst_opt(tcx, substs).unwrap_or(b))), + }, + Self::Or(&[a, b]) => match a.subst_opt(tcx, substs) { + None => b.subst_opt(tcx, substs).map(|b| a.or(tcx, b)), + Some(InhabitedPredicate::True) => Some(InhabitedPredicate::True), + Some(a) => Some(a.or(tcx, b.subst_opt(tcx, substs).unwrap_or(b))), + }, + _ => None, + } + } +} + +// this is basically like `f(a)? && f(b)?` but different in the case of +// `Ok(false) && Err(_) -> Ok(false)` +fn try_and<T, E>(a: T, b: T, f: impl Fn(T) -> Result<bool, E>) -> Result<bool, E> { + let a = f(a); + if matches!(a, Ok(false)) { + return Ok(false); + } + match (a, f(b)) { + (_, Ok(false)) | (Ok(false), _) => Ok(false), + (Ok(true), Ok(true)) => Ok(true), + (Err(e), _) | (_, Err(e)) => Err(e), + } +} + +fn try_or<T, E>(a: T, b: T, f: impl Fn(T) -> Result<bool, E>) -> Result<bool, E> { + let a = f(a); + if matches!(a, Ok(true)) { + return Ok(true); + } + match (a, f(b)) { + (_, Ok(true)) | (Ok(true), _) => Ok(true), + (Ok(false), Ok(false)) => Ok(false), + (Err(e), _) | (_, Err(e)) => Err(e), + } +} diff --git a/compiler/rustc_middle/src/ty/inhabitedness/mod.rs b/compiler/rustc_middle/src/ty/inhabitedness/mod.rs index aaa66deb2a3..279a728ea39 100644 --- a/compiler/rustc_middle/src/ty/inhabitedness/mod.rs +++ b/compiler/rustc_middle/src/ty/inhabitedness/mod.rs @@ -1,57 +1,60 @@ -pub use self::def_id_forest::DefIdForest; +//! This module contains logic for determining whether a type is inhabited or +//! uninhabited. The [`InhabitedPredicate`] type captures the minimum +//! information needed to determine whether a type is inhabited given a +//! `ParamEnv` and module ID. +//! +//! # Example +//! ```rust +//! enum Void {} +//! mod a { +//! pub mod b { +//! pub struct SecretlyUninhabited { +//! _priv: !, +//! } +//! } +//! } +//! +//! mod c { +//! pub struct AlsoSecretlyUninhabited { +//! _priv: Void, +//! } +//! mod d { +//! } +//! } +//! +//! struct Foo { +//! x: a::b::SecretlyUninhabited, +//! y: c::AlsoSecretlyUninhabited, +//! } +//! ``` +//! In this code, the type `Foo` will only be visibly uninhabited inside the +//! modules `b`, `c` and `d`. Calling `uninhabited_predicate` on `Foo` will +//! return `NotInModule(b) AND NotInModule(c)`. +//! +//! We need this information for pattern-matching on `Foo` or types that contain +//! `Foo`. +//! +//! # Example +//! ```rust +//! let foo_result: Result<T, Foo> = ... ; +//! let Ok(t) = foo_result; +//! ``` +//! This code should only compile in modules where the uninhabitedness of `Foo` +//! is visible. -use crate::ty; use crate::ty::context::TyCtxt; -use crate::ty::{AdtDef, FieldDef, Ty, VariantDef}; -use crate::ty::{AdtKind, Visibility}; -use crate::ty::{DefId, SubstsRef}; +use crate::ty::{self, DefId, Ty, VariantDef, Visibility}; use rustc_type_ir::sty::TyKind::*; -mod def_id_forest; +pub mod inhabited_predicate; -// The methods in this module calculate `DefIdForest`s of modules in which an -// `AdtDef`/`VariantDef`/`FieldDef` is visibly uninhabited. -// -// # Example -// ```rust -// enum Void {} -// mod a { -// pub mod b { -// pub struct SecretlyUninhabited { -// _priv: !, -// } -// } -// } -// -// mod c { -// pub struct AlsoSecretlyUninhabited { -// _priv: Void, -// } -// mod d { -// } -// } -// -// struct Foo { -// x: a::b::SecretlyUninhabited, -// y: c::AlsoSecretlyUninhabited, -// } -// ``` -// In this code, the type `Foo` will only be visibly uninhabited inside the -// modules `b`, `c` and `d`. Calling `uninhabited_from` on `Foo` or its `AdtDef` will -// return the forest of modules {`b`, `c`->`d`} (represented in a `DefIdForest` by the -// set {`b`, `c`}). -// -// We need this information for pattern-matching on `Foo` or types that contain -// `Foo`. -// -// # Example -// ```rust -// let foo_result: Result<T, Foo> = ... ; -// let Ok(t) = foo_result; -// ``` -// This code should only compile in modules where the uninhabitedness of `Foo` is -// visible. +pub use inhabited_predicate::InhabitedPredicate; + +pub(crate) fn provide(providers: &mut ty::query::Providers) { + *providers = + ty::query::Providers { inhabited_predicate_adt, inhabited_predicate_type, ..*providers }; +} impl<'tcx> TyCtxt<'tcx> { /// Checks whether a type is visibly uninhabited from a particular module. @@ -100,131 +103,92 @@ impl<'tcx> TyCtxt<'tcx> { ty: Ty<'tcx>, param_env: ty::ParamEnv<'tcx>, ) -> bool { - // To check whether this type is uninhabited at all (not just from the - // given node), you could check whether the forest is empty. - // ``` - // forest.is_empty() - // ``` - ty.uninhabited_from(self, param_env).contains(self, module) + !ty.inhabited_predicate(self).apply(self, param_env, module) } } -impl<'tcx> AdtDef<'tcx> { - /// Calculates the forest of `DefId`s from which this ADT is visibly uninhabited. - fn uninhabited_from( - self, - tcx: TyCtxt<'tcx>, - substs: SubstsRef<'tcx>, - param_env: ty::ParamEnv<'tcx>, - ) -> DefIdForest<'tcx> { - // Non-exhaustive ADTs from other crates are always considered inhabited. - if self.is_variant_list_non_exhaustive() && !self.did().is_local() { - DefIdForest::empty() - } else { - DefIdForest::intersection( - tcx, - self.variants() - .iter() - .map(|v| v.uninhabited_from(tcx, substs, self.adt_kind(), param_env)), - ) +/// Returns an `InhabitedPredicate` that is generic over type parameters and +/// requires calling [`InhabitedPredicate::subst`] +fn inhabited_predicate_adt(tcx: TyCtxt<'_>, def_id: DefId) -> InhabitedPredicate<'_> { + if let Some(def_id) = def_id.as_local() { + if matches!(tcx.representability(def_id), ty::Representability::Infinite) { + return InhabitedPredicate::True; } } + let adt = tcx.adt_def(def_id); + InhabitedPredicate::any( + tcx, + adt.variants().iter().map(|variant| variant.inhabited_predicate(tcx, adt)), + ) } impl<'tcx> VariantDef { /// Calculates the forest of `DefId`s from which this variant is visibly uninhabited. - pub fn uninhabited_from( + pub fn inhabited_predicate( &self, tcx: TyCtxt<'tcx>, - substs: SubstsRef<'tcx>, - adt_kind: AdtKind, - param_env: ty::ParamEnv<'tcx>, - ) -> DefIdForest<'tcx> { - let is_enum = match adt_kind { - // For now, `union`s are never considered uninhabited. - // The precise semantics of inhabitedness with respect to unions is currently undecided. - AdtKind::Union => return DefIdForest::empty(), - AdtKind::Enum => true, - AdtKind::Struct => false, - }; - // Non-exhaustive variants from other crates are always considered inhabited. + adt: ty::AdtDef<'_>, + ) -> InhabitedPredicate<'tcx> { + debug_assert!(!adt.is_union()); if self.is_field_list_non_exhaustive() && !self.def_id.is_local() { - DefIdForest::empty() - } else { - DefIdForest::union( - tcx, - self.fields.iter().map(|f| f.uninhabited_from(tcx, substs, is_enum, param_env)), - ) + // Non-exhaustive variants from other crates are always considered inhabited. + return InhabitedPredicate::True; } - } -} - -impl<'tcx> FieldDef { - /// Calculates the forest of `DefId`s from which this field is visibly uninhabited. - fn uninhabited_from( - &self, - tcx: TyCtxt<'tcx>, - substs: SubstsRef<'tcx>, - is_enum: bool, - param_env: ty::ParamEnv<'tcx>, - ) -> DefIdForest<'tcx> { - let data_uninhabitedness = move || self.ty(tcx, substs).uninhabited_from(tcx, param_env); - if is_enum { - data_uninhabitedness() - } else { - match self.vis { - Visibility::Restricted(from) => { - let forest = DefIdForest::from_id(from); - let iter = Some(forest).into_iter().chain(Some(data_uninhabitedness())); - DefIdForest::intersection(tcx, iter) + InhabitedPredicate::all( + tcx, + self.fields.iter().map(|field| { + let pred = tcx.type_of(field.did).inhabited_predicate(tcx); + if adt.is_enum() { + return pred; } - Visibility::Public => data_uninhabitedness(), - } - } + match field.vis { + Visibility::Public => pred, + Visibility::Restricted(from) => { + pred.or(tcx, InhabitedPredicate::NotInModule(from)) + } + } + }), + ) } } impl<'tcx> Ty<'tcx> { - /// Calculates the forest of `DefId`s from which this type is visibly uninhabited. - fn uninhabited_from( - self, - tcx: TyCtxt<'tcx>, - param_env: ty::ParamEnv<'tcx>, - ) -> DefIdForest<'tcx> { - tcx.type_uninhabited_from(param_env.and(self)) + pub fn inhabited_predicate(self, tcx: TyCtxt<'tcx>) -> InhabitedPredicate<'tcx> { + match self.kind() { + // For now, union`s are always considered inhabited + Adt(adt, _) if adt.is_union() => InhabitedPredicate::True, + // Non-exhaustive ADTs from other crates are always considered inhabited + Adt(adt, _) if adt.is_variant_list_non_exhaustive() && !adt.did().is_local() => { + InhabitedPredicate::True + } + Never => InhabitedPredicate::False, + Param(_) | Projection(_) => InhabitedPredicate::GenericType(self), + Tuple(tys) if tys.is_empty() => InhabitedPredicate::True, + // use a query for more complex cases + Adt(..) | Array(..) | Tuple(_) => tcx.inhabited_predicate_type(self), + // references and other types are inhabited + _ => InhabitedPredicate::True, + } } } -// Query provider for `type_uninhabited_from`. -pub(crate) fn type_uninhabited_from<'tcx>( - tcx: TyCtxt<'tcx>, - key: ty::ParamEnvAnd<'tcx, Ty<'tcx>>, -) -> DefIdForest<'tcx> { - let ty = key.value; - let param_env = key.param_env; +/// N.B. this query should only be called through `Ty::inhabited_predicate` +fn inhabited_predicate_type<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> InhabitedPredicate<'tcx> { match *ty.kind() { - Adt(def, substs) => def.uninhabited_from(tcx, substs, param_env), + Adt(adt, substs) => tcx.inhabited_predicate_adt(adt.did()).subst(tcx, substs), - Never => DefIdForest::full(), - - Tuple(ref tys) => { - DefIdForest::union(tcx, tys.iter().map(|ty| ty.uninhabited_from(tcx, param_env))) + Tuple(tys) => { + InhabitedPredicate::all(tcx, tys.iter().map(|ty| ty.inhabited_predicate(tcx))) } - Array(ty, len) => match len.try_eval_usize(tcx, param_env) { - Some(0) | None => DefIdForest::empty(), - // If the array is definitely non-empty, it's uninhabited if - // the type of its elements is uninhabited. - Some(1..) => ty.uninhabited_from(tcx, param_env), + // If we can evaluate the array length before having a `ParamEnv`, then + // we can simplify the predicate. This is an optimization. + Array(ty, len) => match len.kind().try_to_machine_usize(tcx) { + Some(0) => InhabitedPredicate::True, + Some(1..) => ty.inhabited_predicate(tcx), + None => ty.inhabited_predicate(tcx).or(tcx, InhabitedPredicate::ConstIsZero(len)), }, - // References to uninitialised memory are valid for any type, including - // uninhabited types, in unsafe code, so we treat all references as - // inhabited. - // The precise semantics of inhabitedness with respect to references is currently - // undecided. - Ref(..) => DefIdForest::empty(), - - _ => DefIdForest::empty(), + _ => bug!("unexpected TyKind, use `Ty::inhabited_predicate`"), } } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 6045c1acdd0..0a109fd8f44 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -196,16 +196,16 @@ impl<'a> IntoDiagnostic<'a, !> for LayoutError<'a> { match self { LayoutError::Unknown(ty) => { diag.set_arg("ty", ty); - diag.set_primary_message(rustc_errors::fluent::middle::unknown_layout); + diag.set_primary_message(rustc_errors::fluent::middle_unknown_layout); } LayoutError::SizeOverflow(ty) => { diag.set_arg("ty", ty); - diag.set_primary_message(rustc_errors::fluent::middle::values_too_big); + diag.set_primary_message(rustc_errors::fluent::middle_values_too_big); } LayoutError::NormalizationFailure(ty, e) => { diag.set_arg("ty", ty); diag.set_arg("failure_ty", e.get_type_for_failure()); - diag.set_primary_message(rustc_errors::fluent::middle::cannot_be_normalized); + diag.set_primary_message(rustc_errors::fluent::middle_cannot_be_normalized); } } diag diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index a92bb0f2e55..c2aef8178e2 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -78,7 +78,7 @@ pub use self::consts::{ }; pub use self::context::{ tls, CanonicalUserType, CanonicalUserTypeAnnotation, CanonicalUserTypeAnnotations, - CtxtInterners, DelaySpanBugEmitted, FreeRegionInfo, GeneratorDiagnosticData, + CtxtInterners, DeducedParamAttrs, DelaySpanBugEmitted, FreeRegionInfo, GeneratorDiagnosticData, GeneratorInteriorTypeCause, GlobalCtxt, Lift, OnDiskCache, TyCtxt, TypeckResults, UserType, UserTypeAnnotationIndex, }; @@ -683,7 +683,7 @@ pub enum PredicateKind<'tcx> { Coerce(CoercePredicate<'tcx>), /// Constant initializer must evaluate successfully. - ConstEvaluatable(ty::UnevaluatedConst<'tcx>), + ConstEvaluatable(ty::Const<'tcx>), /// Constants must be equal. The first component is the const that is expected. ConstEquate(Const<'tcx>, Const<'tcx>), @@ -2694,6 +2694,7 @@ pub fn provide(providers: &mut ty::query::Providers) { closure::provide(providers); context::provide(providers); erase_regions::provide(providers); + inhabitedness::provide(providers); util::provide(providers); print::provide(providers); super::util::bug::provide(providers); @@ -2701,7 +2702,6 @@ pub fn provide(providers: &mut ty::query::Providers) { *providers = ty::query::Providers { trait_impls_of: trait_def::trait_impls_of_provider, incoherent_impls: trait_def::incoherent_impls_provider, - type_uninhabited_from: inhabitedness::type_uninhabited_from, const_param_default: consts::const_param_default, vtable_allocation: vtable::vtable_allocation_provider, ..*providers diff --git a/compiler/rustc_middle/src/ty/parameterized.rs b/compiler/rustc_middle/src/ty/parameterized.rs index f289f2265a2..e1e705a922f 100644 --- a/compiler/rustc_middle/src/ty/parameterized.rs +++ b/compiler/rustc_middle/src/ty/parameterized.rs @@ -61,6 +61,7 @@ trivially_parameterized_over_tcx! { crate::middle::resolve_lifetime::ObjectLifetimeDefault, crate::mir::ConstQualifs, ty::AssocItemContainer, + ty::DeducedParamAttrs, ty::Generics, ty::ImplPolarity, ty::ReprOptions, diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index 66354196b4e..b8ee2b994b1 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -16,6 +16,7 @@ use rustc_session::cstore::{ExternCrate, ExternCrateSource}; use rustc_span::symbol::{kw, Ident, Symbol}; use rustc_target::abi::Size; use rustc_target::spec::abi::Abi; +use smallvec::SmallVec; use std::cell::Cell; use std::char; @@ -794,9 +795,9 @@ pub trait PrettyPrinter<'tcx>: let mut traits = FxIndexMap::default(); let mut fn_traits = FxIndexMap::default(); let mut is_sized = false; + let mut lifetimes = SmallVec::<[ty::Region<'tcx>; 1]>::new(); - for predicate in bounds.transpose_iter().map(|e| e.map_bound(|(p, _)| *p)) { - let predicate = predicate.subst(tcx, substs); + for (predicate, _) in bounds.subst_iter_copied(tcx, substs) { let bound_predicate = predicate.kind(); match bound_predicate.skip_binder() { @@ -825,6 +826,9 @@ pub trait PrettyPrinter<'tcx>: &mut fn_traits, ); } + ty::PredicateKind::TypeOutlives(outlives) => { + lifetimes.push(outlives.1); + } _ => {} } } @@ -978,6 +982,11 @@ pub trait PrettyPrinter<'tcx>: write!(self, "Sized")?; } + for re in lifetimes { + write!(self, " + ")?; + self = self.print_region(re)?; + } + Ok(self) } @@ -2702,8 +2711,8 @@ define_print_and_forward_display! { print_value_path(closure_def_id, &[]), write("` implements the trait `{}`", kind)) } - ty::PredicateKind::ConstEvaluatable(uv) => { - p!("the constant `", print_value_path(uv.def.did, uv.substs), "` can be evaluated") + ty::PredicateKind::ConstEvaluatable(ct) => { + p!("the constant `", print(ct), "` can be evaluated") } ty::PredicateKind::ConstEquate(c1, c2) => { p!("the constant `", print(c1), "` equals `", print(c2), "`") diff --git a/compiler/rustc_middle/src/ty/query.rs b/compiler/rustc_middle/src/ty/query.rs index ce1b69935f2..9c97ce34f29 100644 --- a/compiler/rustc_middle/src/ty/query.rs +++ b/compiler/rustc_middle/src/ty/query.rs @@ -52,7 +52,6 @@ use rustc_session::config::{EntryFnType, OptLevel, OutputFilenames, SymbolMangli use rustc_session::cstore::{CrateDepKind, CrateSource}; use rustc_session::cstore::{ExternCrate, ForeignModule, LinkagePreference, NativeLib}; use rustc_session::lint::LintExpectationId; -use rustc_session::utils::NativeLibKind; use rustc_session::Limits; use rustc_span::symbol::Symbol; use rustc_span::{Span, DUMMY_SP}; diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 1164cf3e01a..2cad333e3f5 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -166,8 +166,8 @@ impl<'tcx> fmt::Debug for ty::PredicateKind<'tcx> { ty::PredicateKind::ClosureKind(closure_def_id, closure_substs, kind) => { write!(f, "ClosureKind({:?}, {:?}, {:?})", closure_def_id, closure_substs, kind) } - ty::PredicateKind::ConstEvaluatable(uv) => { - write!(f, "ConstEvaluatable({:?}, {:?})", uv.def, uv.substs) + ty::PredicateKind::ConstEvaluatable(ct) => { + write!(f, "ConstEvaluatable({ct:?})") } ty::PredicateKind::ConstEquate(c1, c2) => write!(f, "ConstEquate({:?}, {:?})", c1, c2), ty::PredicateKind::TypeWellFormedFromEnv(ty) => { @@ -832,27 +832,6 @@ impl<'tcx> TypeVisitable<'tcx> for InferConst<'tcx> { } } -impl<'tcx> TypeFoldable<'tcx> for ty::UnevaluatedConst<'tcx> { - fn try_fold_with<F: FallibleTypeFolder<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { - folder.try_fold_ty_unevaluated(self) - } -} - -impl<'tcx> TypeVisitable<'tcx> for ty::UnevaluatedConst<'tcx> { - fn visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { - visitor.visit_ty_unevaluated(*self) - } -} - -impl<'tcx> TypeSuperFoldable<'tcx> for ty::UnevaluatedConst<'tcx> { - fn try_super_fold_with<F: FallibleTypeFolder<'tcx>>( - self, - folder: &mut F, - ) -> Result<Self, F::Error> { - Ok(ty::UnevaluatedConst { def: self.def, substs: self.substs.try_fold_with(folder)? }) - } -} - impl<'tcx> TypeSuperVisitable<'tcx> for ty::UnevaluatedConst<'tcx> { fn super_visit_with<V: TypeVisitor<'tcx>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { self.substs.visit_with(visitor) diff --git a/compiler/rustc_middle/src/ty/subst.rs b/compiler/rustc_middle/src/ty/subst.rs index c2a83ca9dbb..0660e9b79a7 100644 --- a/compiler/rustc_middle/src/ty/subst.rs +++ b/compiler/rustc_middle/src/ty/subst.rs @@ -6,6 +6,7 @@ use crate::ty::sty::{ClosureSubsts, GeneratorSubsts, InlineConstSubsts}; use crate::ty::visit::{TypeVisitable, TypeVisitor}; use crate::ty::{self, Lift, List, ParamConst, Ty, TyCtxt}; +use rustc_data_structures::captures::Captures; use rustc_data_structures::intern::{Interned, WithStableHash}; use rustc_hir::def_id::DefId; use rustc_macros::HashStable; @@ -188,6 +189,14 @@ impl<'tcx> GenericArg<'tcx> { _ => bug!("expected a const, but found another kind"), } } + + pub fn is_non_region_infer(self) -> bool { + match self.unpack() { + GenericArgKind::Lifetime(_) => false, + GenericArgKind::Type(ty) => ty.is_ty_infer(), + GenericArgKind::Const(ct) => ct.is_ct_infer(), + } + } } impl<'a, 'tcx> Lift<'tcx> for GenericArg<'a> { @@ -550,6 +559,28 @@ impl<T, U> EarlyBinder<(T, U)> { } } +impl<'tcx, 's, T: IntoIterator<Item = I>, I: TypeFoldable<'tcx>> EarlyBinder<T> { + pub fn subst_iter( + self, + tcx: TyCtxt<'tcx>, + substs: &'s [GenericArg<'tcx>], + ) -> impl Iterator<Item = I> + Captures<'s> + Captures<'tcx> { + self.0.into_iter().map(move |t| EarlyBinder(t).subst(tcx, substs)) + } +} + +impl<'tcx, 's, 'a, T: IntoIterator<Item = &'a I>, I: Copy + TypeFoldable<'tcx> + 'a> + EarlyBinder<T> +{ + pub fn subst_iter_copied( + self, + tcx: TyCtxt<'tcx>, + substs: &'s [GenericArg<'tcx>], + ) -> impl Iterator<Item = I> + Captures<'s> + Captures<'tcx> + Captures<'a> { + self.0.into_iter().map(move |t| EarlyBinder(*t).subst(tcx, substs)) + } +} + pub struct EarlyBinderIter<T> { t: T, } diff --git a/compiler/rustc_middle/src/ty/visit.rs b/compiler/rustc_middle/src/ty/visit.rs index 5ca00a11ab9..c09f71f9a6d 100644 --- a/compiler/rustc_middle/src/ty/visit.rs +++ b/compiler/rustc_middle/src/ty/visit.rs @@ -197,13 +197,6 @@ pub trait TypeVisitor<'tcx>: Sized { c.super_visit_with(self) } - fn visit_ty_unevaluated( - &mut self, - uv: ty::UnevaluatedConst<'tcx>, - ) -> ControlFlow<Self::BreakTy> { - uv.super_visit_with(self) - } - fn visit_predicate(&mut self, p: ty::Predicate<'tcx>) -> ControlFlow<Self::BreakTy> { p.super_visit_with(self) } @@ -594,21 +587,6 @@ impl<'tcx> TypeVisitor<'tcx> for HasTypeFlagsVisitor { #[inline] #[instrument(level = "trace", ret)] - fn visit_ty_unevaluated( - &mut self, - uv: ty::UnevaluatedConst<'tcx>, - ) -> ControlFlow<Self::BreakTy> { - let flags = FlagComputation::for_unevaluated_const(uv); - trace!(r.flags=?flags); - if flags.intersects(self.flags) { - ControlFlow::Break(FoundFlags) - } else { - ControlFlow::CONTINUE - } - } - - #[inline] - #[instrument(level = "trace", ret)] fn visit_predicate(&mut self, predicate: ty::Predicate<'tcx>) -> ControlFlow<Self::BreakTy> { debug!( "HasTypeFlagsVisitor: predicate={:?} predicate.flags={:?} self.flags={:?}", diff --git a/compiler/rustc_middle/src/ty/walk.rs b/compiler/rustc_middle/src/ty/walk.rs index a3e11bbf056..91db9698c41 100644 --- a/compiler/rustc_middle/src/ty/walk.rs +++ b/compiler/rustc_middle/src/ty/walk.rs @@ -112,6 +112,22 @@ impl<'tcx> Ty<'tcx> { } } +impl<'tcx> ty::Const<'tcx> { + /// Iterator that walks `self` and any types reachable from + /// `self`, in depth-first order. Note that just walks the types + /// that appear in `self`, it does not descend into the fields of + /// structs or variants. For example: + /// + /// ```text + /// isize => { isize } + /// Foo<Bar<isize>> => { Foo<Bar<isize>>, Bar<isize>, isize } + /// [isize] => { [isize], isize } + /// ``` + pub fn walk(self) -> TypeWalker<'tcx> { + TypeWalker::new(self.into()) + } +} + /// We push `GenericArg`s on the stack in reverse order so as to /// maintain a pre-order traversal. As of the time of this /// writing, the fact that the traversal is pre-order is not diff --git a/compiler/rustc_mir_build/src/build/matches/simplify.rs b/compiler/rustc_mir_build/src/build/matches/simplify.rs index 828f32db361..924d2f555b9 100644 --- a/compiler/rustc_mir_build/src/build/matches/simplify.rs +++ b/compiler/rustc_mir_build/src/build/matches/simplify.rs @@ -264,14 +264,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { let irrefutable = adt_def.variants().iter_enumerated().all(|(i, v)| { i == variant_index || { self.tcx.features().exhaustive_patterns - && !v - .uninhabited_from( - self.tcx, - substs, - adt_def.adt_kind(), - self.param_env, - ) - .is_empty() + && v.inhabited_predicate(self.tcx, adt_def) + .subst(self.tcx, substs) + .apply_any_module(self.tcx, self.param_env) + != Some(true) } }) && (adt_def.did().is_local() || !adt_def.is_variant_list_non_exhaustive()); diff --git a/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs b/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs index 91ecfccdb5f..595abc8f668 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs @@ -988,10 +988,12 @@ impl<'tcx> SplitWildcard<'tcx> { .filter(|(_, v)| { // If `exhaustive_patterns` is enabled, we exclude variants known to be // uninhabited. - let is_uninhabited = is_exhaustive_pat_feature - && v.uninhabited_from(cx.tcx, substs, def.adt_kind(), cx.param_env) - .contains(cx.tcx, cx.module); - !is_uninhabited + !is_exhaustive_pat_feature + || v.inhabited_predicate(cx.tcx, *def).subst(cx.tcx, substs).apply( + cx.tcx, + cx.param_env, + cx.module, + ) }) .map(|(idx, _)| Variant(idx)) .collect(); diff --git a/compiler/rustc_mir_dataflow/src/errors.rs b/compiler/rustc_mir_dataflow/src/errors.rs index 5b1a88cb284..cfacc0ec370 100644 --- a/compiler/rustc_mir_dataflow/src/errors.rs +++ b/compiler/rustc_mir_dataflow/src/errors.rs @@ -2,21 +2,21 @@ use rustc_macros::Diagnostic; use rustc_span::{Span, Symbol}; #[derive(Diagnostic)] -#[diag(mir_dataflow::path_must_end_in_filename)] +#[diag(mir_dataflow_path_must_end_in_filename)] pub(crate) struct PathMustEndInFilename { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(mir_dataflow::unknown_formatter)] +#[diag(mir_dataflow_unknown_formatter)] pub(crate) struct UnknownFormatter { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(mir_dataflow::duplicate_values_for)] +#[diag(mir_dataflow_duplicate_values_for)] pub(crate) struct DuplicateValuesFor { #[primary_span] pub span: Span, @@ -24,7 +24,7 @@ pub(crate) struct DuplicateValuesFor { } #[derive(Diagnostic)] -#[diag(mir_dataflow::requires_an_argument)] +#[diag(mir_dataflow_requires_an_argument)] pub(crate) struct RequiresAnArgument { #[primary_span] pub span: Span, @@ -32,39 +32,39 @@ pub(crate) struct RequiresAnArgument { } #[derive(Diagnostic)] -#[diag(mir_dataflow::stop_after_dataflow_ended_compilation)] +#[diag(mir_dataflow_stop_after_dataflow_ended_compilation)] pub(crate) struct StopAfterDataFlowEndedCompilation; #[derive(Diagnostic)] -#[diag(mir_dataflow::peek_must_be_place_or_ref_place)] +#[diag(mir_dataflow_peek_must_be_place_or_ref_place)] pub(crate) struct PeekMustBePlaceOrRefPlace { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(mir_dataflow::peek_must_be_not_temporary)] +#[diag(mir_dataflow_peek_must_be_not_temporary)] pub(crate) struct PeekMustBeNotTemporary { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(mir_dataflow::peek_bit_not_set)] +#[diag(mir_dataflow_peek_bit_not_set)] pub(crate) struct PeekBitNotSet { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(mir_dataflow::peek_argument_not_a_local)] +#[diag(mir_dataflow_peek_argument_not_a_local)] pub(crate) struct PeekArgumentNotALocal { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(mir_dataflow::peek_argument_untracked)] +#[diag(mir_dataflow_peek_argument_untracked)] pub(crate) struct PeekArgumentUntracked { #[primary_span] pub span: Span, diff --git a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs new file mode 100644 index 00000000000..18352fbf675 --- /dev/null +++ b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs @@ -0,0 +1,249 @@ +//! Deduces supplementary parameter attributes from MIR. +//! +//! Deduced parameter attributes are those that can only be soundly determined by examining the +//! body of the function instead of just the signature. These can be useful for optimization +//! purposes on a best-effort basis. We compute them here and store them into the crate metadata so +//! dependent crates can use them. + +use rustc_hir::def_id::DefId; +use rustc_index::bit_set::BitSet; +use rustc_middle::mir::visit::{NonMutatingUseContext, PlaceContext, Visitor}; +use rustc_middle::mir::{Body, Local, Location, Operand, Terminator, TerminatorKind, RETURN_PLACE}; +use rustc_middle::ty::{self, DeducedParamAttrs, ParamEnv, Ty, TyCtxt}; +use rustc_session::config::OptLevel; +use rustc_span::DUMMY_SP; + +/// A visitor that determines which arguments have been mutated. We can't use the mutability field +/// on LocalDecl for this because it has no meaning post-optimization. +struct DeduceReadOnly { + /// Each bit is indexed by argument number, starting at zero (so 0 corresponds to local decl + /// 1). The bit is true if the argument may have been mutated or false if we know it hasn't + /// been up to the point we're at. + mutable_args: BitSet<usize>, +} + +impl DeduceReadOnly { + /// Returns a new DeduceReadOnly instance. + fn new(arg_count: usize) -> Self { + Self { mutable_args: BitSet::new_empty(arg_count) } + } +} + +impl<'tcx> Visitor<'tcx> for DeduceReadOnly { + fn visit_local(&mut self, local: Local, mut context: PlaceContext, _: Location) { + // We're only interested in arguments. + if local == RETURN_PLACE || local.index() > self.mutable_args.domain_size() { + return; + } + + // Replace place contexts that are moves with copies. This is safe in all cases except + // function argument position, which we already handled in `visit_terminator()` by using the + // ArgumentChecker. See the comment in that method for more details. + // + // In the future, we might want to move this out into a separate pass, but for now let's + // just do it on the fly because that's faster. + if matches!(context, PlaceContext::NonMutatingUse(NonMutatingUseContext::Move)) { + context = PlaceContext::NonMutatingUse(NonMutatingUseContext::Copy); + } + + match context { + PlaceContext::MutatingUse(..) + | PlaceContext::NonMutatingUse(NonMutatingUseContext::Move) => { + // This is a mutation, so mark it as such. + self.mutable_args.insert(local.index() - 1); + } + PlaceContext::NonMutatingUse(..) | PlaceContext::NonUse(..) => { + // Not mutating, so it's fine. + } + } + } + + fn visit_terminator(&mut self, terminator: &Terminator<'tcx>, location: Location) { + // OK, this is subtle. Suppose that we're trying to deduce whether `x` in `f` is read-only + // and we have the following: + // + // fn f(x: BigStruct) { g(x) } + // fn g(mut y: BigStruct) { y.foo = 1 } + // + // If, at the generated MIR level, `f` turned into something like: + // + // fn f(_1: BigStruct) -> () { + // let mut _0: (); + // bb0: { + // _0 = g(move _1) -> bb1; + // } + // ... + // } + // + // then it would be incorrect to mark `x` (i.e. `_1`) as `readonly`, because `g`'s write to + // its copy of the indirect parameter would actually be a write directly to the pointer that + // `f` passes. Note that function arguments are the only situation in which this problem can + // arise: every other use of `move` in MIR doesn't actually write to the value it moves + // from. + // + // Anyway, right now this situation doesn't actually arise in practice. Instead, the MIR for + // that function looks like this: + // + // fn f(_1: BigStruct) -> () { + // let mut _0: (); + // let mut _2: BigStruct; + // bb0: { + // _2 = move _1; + // _0 = g(move _2) -> bb1; + // } + // ... + // } + // + // Because of that extra move that MIR construction inserts, `x` (i.e. `_1`) can *in + // practice* safely be marked `readonly`. + // + // To handle the possibility that other optimizations (for example, destination propagation) + // might someday generate MIR like the first example above, we panic upon seeing an argument + // to *our* function that is directly moved into *another* function as an argument. Having + // eliminated that problematic case, we can safely treat moves as copies in this analysis. + // + // In the future, if MIR optimizations cause arguments of a caller to be directly moved into + // the argument of a callee, we can just add that argument to `mutated_args` instead of + // panicking. + // + // Note that, because the problematic MIR is never actually generated, we can't add a test + // case for this. + + if let TerminatorKind::Call { ref args, .. } = terminator.kind { + for arg in args { + if let Operand::Move(_) = *arg { + // ArgumentChecker panics if a direct move of an argument from a caller to a + // callee was detected. + // + // If, in the future, MIR optimizations cause arguments to be moved directly + // from callers to callees, change the panic to instead add the argument in + // question to `mutating_uses`. + ArgumentChecker::new(self.mutable_args.domain_size()) + .visit_operand(arg, location) + } + } + }; + + self.super_terminator(terminator, location); + } +} + +/// A visitor that simply panics if a direct move of an argument from a caller to a callee was +/// detected. +struct ArgumentChecker { + /// The number of arguments to the calling function. + arg_count: usize, +} + +impl ArgumentChecker { + /// Creates a new ArgumentChecker. + fn new(arg_count: usize) -> Self { + Self { arg_count } + } +} + +impl<'tcx> Visitor<'tcx> for ArgumentChecker { + fn visit_local(&mut self, local: Local, context: PlaceContext, _: Location) { + // Check to make sure that, if this local is an argument, we didn't move directly from it. + if matches!(context, PlaceContext::NonMutatingUse(NonMutatingUseContext::Move)) + && local != RETURN_PLACE + && local.index() <= self.arg_count + { + // If, in the future, MIR optimizations cause arguments to be moved directly from + // callers to callees, change this panic to instead add the argument in question to + // `mutating_uses`. + panic!("Detected a direct move from a caller's argument to a callee's argument!") + } + } +} + +/// Returns true if values of a given type will never be passed indirectly, regardless of ABI. +fn type_will_always_be_passed_directly<'tcx>(ty: Ty<'tcx>) -> bool { + matches!( + ty.kind(), + ty::Bool + | ty::Char + | ty::Float(..) + | ty::Int(..) + | ty::RawPtr(..) + | ty::Ref(..) + | ty::Slice(..) + | ty::Uint(..) + ) +} + +/// Returns the deduced parameter attributes for a function. +/// +/// Deduced parameter attributes are those that can only be soundly determined by examining the +/// body of the function instead of just the signature. These can be useful for optimization +/// purposes on a best-effort basis. We compute them here and store them into the crate metadata so +/// dependent crates can use them. +pub fn deduced_param_attrs<'tcx>(tcx: TyCtxt<'tcx>, def_id: DefId) -> &'tcx [DeducedParamAttrs] { + // This computation is unfortunately rather expensive, so don't do it unless we're optimizing. + // Also skip it in incremental mode. + if tcx.sess.opts.optimize == OptLevel::No || tcx.sess.opts.incremental.is_some() { + return &[]; + } + + // If the Freeze language item isn't present, then don't bother. + if tcx.lang_items().freeze_trait().is_none() { + return &[]; + } + + // Codegen won't use this information for anything if all the function parameters are passed + // directly. Detect that and bail, for compilation speed. + let fn_ty = tcx.type_of(def_id); + if matches!(fn_ty.kind(), ty::FnDef(..)) { + if fn_ty + .fn_sig(tcx) + .inputs() + .skip_binder() + .iter() + .cloned() + .all(type_will_always_be_passed_directly) + { + return &[]; + } + } + + // Don't deduce any attributes for functions that have no MIR. + if !tcx.is_mir_available(def_id) { + return &[]; + } + + // Deduced attributes for other crates should be read from the metadata instead of via this + // function. + debug_assert!(def_id.is_local()); + + // Grab the optimized MIR. Analyze it to determine which arguments have been mutated. + let body: &Body<'tcx> = tcx.optimized_mir(def_id); + let mut deduce_read_only = DeduceReadOnly::new(body.arg_count); + deduce_read_only.visit_body(body); + + // Set the `readonly` attribute for every argument that we concluded is immutable and that + // contains no UnsafeCells. + // + // FIXME: This is overly conservative around generic parameters: `is_freeze()` will always + // return false for them. For a description of alternatives that could do a better job here, + // see [1]. + // + // [1]: https://github.com/rust-lang/rust/pull/103172#discussion_r999139997 + let mut deduced_param_attrs = tcx.arena.alloc_from_iter( + body.local_decls.iter().skip(1).take(body.arg_count).enumerate().map( + |(arg_index, local_decl)| DeducedParamAttrs { + read_only: !deduce_read_only.mutable_args.contains(arg_index) + && local_decl.ty.is_freeze(tcx.at(DUMMY_SP), ParamEnv::reveal_all()), + }, + ), + ); + + // Trailing parameters past the size of the `deduced_param_attrs` array are assumed to have the + // default set of attributes, so we don't have to store them explicitly. Pop them off to save a + // few bytes in metadata. + while deduced_param_attrs.last() == Some(&DeducedParamAttrs::default()) { + let last_index = deduced_param_attrs.len() - 1; + deduced_param_attrs = &mut deduced_param_attrs[0..last_index]; + } + + deduced_param_attrs +} diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 2230c3399f0..5c411fa5657 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -56,6 +56,7 @@ mod const_prop_lint; mod coverage; mod dead_store_elimination; mod deaggregator; +mod deduce_param_attrs; mod deduplicate_blocks; mod deref_separator; mod dest_prop; @@ -139,6 +140,7 @@ pub fn provide(providers: &mut Providers) { promoted_mir_of_const_arg: |tcx, (did, param_did)| { promoted_mir(tcx, ty::WithOptConstParam { did, const_param_did: Some(param_did) }) }, + deduced_param_attrs: deduce_param_attrs::deduced_param_attrs, ..*providers }; } diff --git a/compiler/rustc_monomorphize/src/errors.rs b/compiler/rustc_monomorphize/src/errors.rs index cf6e18c013b..ce097b8d846 100644 --- a/compiler/rustc_monomorphize/src/errors.rs +++ b/compiler/rustc_monomorphize/src/errors.rs @@ -6,7 +6,7 @@ use rustc_macros::{Diagnostic, LintDiagnostic}; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(monomorphize::recursion_limit)] +#[diag(monomorphize_recursion_limit)] pub struct RecursionLimit { #[primary_span] pub span: Span, @@ -14,26 +14,26 @@ pub struct RecursionLimit { #[note] pub def_span: Span, pub def_path_str: String, - #[note(monomorphize::written_to_path)] + #[note(monomorphize_written_to_path)] pub was_written: Option<()>, pub path: PathBuf, } #[derive(Diagnostic)] -#[diag(monomorphize::type_length_limit)] -#[help(monomorphize::consider_type_length_limit)] +#[diag(monomorphize_type_length_limit)] +#[help(monomorphize_consider_type_length_limit)] pub struct TypeLengthLimit { #[primary_span] pub span: Span, pub shrunk: String, - #[note(monomorphize::written_to_path)] + #[note(monomorphize_written_to_path)] pub was_written: Option<()>, pub path: PathBuf, pub type_length: usize, } #[derive(Diagnostic)] -#[diag(monomorphize::requires_lang_item)] +#[diag(monomorphize_requires_lang_item)] pub struct RequiresLangItem { pub lang_item: String, } @@ -49,8 +49,7 @@ impl IntoDiagnostic<'_> for UnusedGenericParams { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = - handler.struct_err(rustc_errors::fluent::monomorphize::unused_generic_params); + let mut diag = handler.struct_err(rustc_errors::fluent::monomorphize_unused_generic_params); diag.set_span(self.span); for (span, name) in self.param_spans.into_iter().zip(self.param_names) { // FIXME: I can figure out how to do a label with a fluent string with a fixed message, @@ -63,7 +62,7 @@ impl IntoDiagnostic<'_> for UnusedGenericParams { } #[derive(LintDiagnostic)] -#[diag(monomorphize::large_assignments)] +#[diag(monomorphize_large_assignments)] #[note] pub struct LargeAssignmentsLint { #[label] @@ -73,11 +72,11 @@ pub struct LargeAssignmentsLint { } #[derive(Diagnostic)] -#[diag(monomorphize::unknown_partition_strategy)] +#[diag(monomorphize_unknown_partition_strategy)] pub struct UnknownPartitionStrategy; #[derive(Diagnostic)] -#[diag(monomorphize::symbol_already_defined)] +#[diag(monomorphize_symbol_already_defined)] pub struct SymbolAlreadyDefined { #[primary_span] pub span: Option<Span>, diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index 98fee997427..9b177c5189b 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -9,7 +9,7 @@ use rustc_span::{Span, Symbol}; use crate::parser::TokenDescription; #[derive(Diagnostic)] -#[diag(parser::maybe_report_ambiguous_plus)] +#[diag(parser_maybe_report_ambiguous_plus)] pub(crate) struct AmbiguousPlus { pub sum_ty: String, #[primary_span] @@ -18,7 +18,7 @@ pub(crate) struct AmbiguousPlus { } #[derive(Diagnostic)] -#[diag(parser::maybe_recover_from_bad_type_plus, code = "E0178")] +#[diag(parser_maybe_recover_from_bad_type_plus, code = "E0178")] pub(crate) struct BadTypePlus { pub ty: String, #[primary_span] @@ -30,7 +30,7 @@ pub(crate) struct BadTypePlus { #[derive(Subdiagnostic)] pub(crate) enum BadTypePlusSub { #[suggestion( - parser::add_paren, + parser_add_paren, code = "{sum_with_parens}", applicability = "machine-applicable" )] @@ -39,12 +39,12 @@ pub(crate) enum BadTypePlusSub { #[primary_span] span: Span, }, - #[label(parser::forgot_paren)] + #[label(parser_forgot_paren)] ForgotParen { #[primary_span] span: Span, }, - #[label(parser::expect_path)] + #[label(parser_expect_path)] ExpectPath { #[primary_span] span: Span, @@ -52,7 +52,7 @@ pub(crate) enum BadTypePlusSub { } #[derive(Diagnostic)] -#[diag(parser::maybe_recover_from_bad_qpath_stage_2)] +#[diag(parser_maybe_recover_from_bad_qpath_stage_2)] pub(crate) struct BadQPathStage2 { #[primary_span] #[suggestion(code = "", applicability = "maybe-incorrect")] @@ -61,7 +61,7 @@ pub(crate) struct BadQPathStage2 { } #[derive(Diagnostic)] -#[diag(parser::incorrect_semicolon)] +#[diag(parser_incorrect_semicolon)] pub(crate) struct IncorrectSemicolon<'a> { #[primary_span] #[suggestion_short(code = "", applicability = "machine-applicable")] @@ -72,26 +72,26 @@ pub(crate) struct IncorrectSemicolon<'a> { } #[derive(Diagnostic)] -#[diag(parser::incorrect_use_of_await)] +#[diag(parser_incorrect_use_of_await)] pub(crate) struct IncorrectUseOfAwait { #[primary_span] - #[suggestion(parser::parentheses_suggestion, code = "", applicability = "machine-applicable")] + #[suggestion(parentheses_suggestion, code = "", applicability = "machine-applicable")] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::incorrect_use_of_await)] +#[diag(parser_incorrect_use_of_await)] pub(crate) struct IncorrectAwait { #[primary_span] pub span: Span, - #[suggestion(parser::postfix_suggestion, code = "{expr}.await{question_mark}")] + #[suggestion(postfix_suggestion, code = "{expr}.await{question_mark}")] pub sugg_span: (Span, Applicability), pub expr: String, pub question_mark: &'static str, } #[derive(Diagnostic)] -#[diag(parser::in_in_typo)] +#[diag(parser_in_in_typo)] pub(crate) struct InInTypo { #[primary_span] pub span: Span, @@ -100,7 +100,7 @@ pub(crate) struct InInTypo { } #[derive(Diagnostic)] -#[diag(parser::invalid_variable_declaration)] +#[diag(parser_invalid_variable_declaration)] pub(crate) struct InvalidVariableDeclaration { #[primary_span] pub span: Span, @@ -110,26 +110,22 @@ pub(crate) struct InvalidVariableDeclaration { #[derive(Subdiagnostic)] pub(crate) enum InvalidVariableDeclarationSub { - #[suggestion( - parser::switch_mut_let_order, - applicability = "maybe-incorrect", - code = "let mut" - )] + #[suggestion(parser_switch_mut_let_order, applicability = "maybe-incorrect", code = "let mut")] SwitchMutLetOrder(#[primary_span] Span), #[suggestion( - parser::missing_let_before_mut, + parser_missing_let_before_mut, applicability = "machine-applicable", code = "let mut" )] MissingLet(#[primary_span] Span), - #[suggestion(parser::use_let_not_auto, applicability = "machine-applicable", code = "let")] + #[suggestion(parser_use_let_not_auto, applicability = "machine-applicable", code = "let")] UseLetNotAuto(#[primary_span] Span), - #[suggestion(parser::use_let_not_var, applicability = "machine-applicable", code = "let")] + #[suggestion(parser_use_let_not_var, applicability = "machine-applicable", code = "let")] UseLetNotVar(#[primary_span] Span), } #[derive(Diagnostic)] -#[diag(parser::invalid_comparison_operator)] +#[diag(parser_invalid_comparison_operator)] pub(crate) struct InvalidComparisonOperator { #[primary_span] pub span: Span, @@ -140,23 +136,19 @@ pub(crate) struct InvalidComparisonOperator { #[derive(Subdiagnostic)] pub(crate) enum InvalidComparisonOperatorSub { - #[suggestion_short( - parser::use_instead, - applicability = "machine-applicable", - code = "{correct}" - )] + #[suggestion_short(use_instead, applicability = "machine-applicable", code = "{correct}")] Correctable { #[primary_span] span: Span, invalid: String, correct: String, }, - #[label(parser::spaceship_operator_invalid)] + #[label(spaceship_operator_invalid)] Spaceship(#[primary_span] Span), } #[derive(Diagnostic)] -#[diag(parser::invalid_logical_operator)] +#[diag(parser_invalid_logical_operator)] #[note] pub(crate) struct InvalidLogicalOperator { #[primary_span] @@ -169,13 +161,13 @@ pub(crate) struct InvalidLogicalOperator { #[derive(Subdiagnostic)] pub(crate) enum InvalidLogicalOperatorSub { #[suggestion_short( - parser::use_amp_amp_for_conjunction, + use_amp_amp_for_conjunction, applicability = "machine-applicable", code = "&&" )] Conjunction(#[primary_span] Span), #[suggestion_short( - parser::use_pipe_pipe_for_disjunction, + use_pipe_pipe_for_disjunction, applicability = "machine-applicable", code = "||" )] @@ -183,7 +175,7 @@ pub(crate) enum InvalidLogicalOperatorSub { } #[derive(Diagnostic)] -#[diag(parser::tilde_is_not_unary_operator)] +#[diag(parser_tilde_is_not_unary_operator)] pub(crate) struct TildeAsUnaryOperator( #[primary_span] #[suggestion_short(applicability = "machine-applicable", code = "!")] @@ -191,7 +183,7 @@ pub(crate) struct TildeAsUnaryOperator( ); #[derive(Diagnostic)] -#[diag(parser::unexpected_token_after_not)] +#[diag(parser_unexpected_token_after_not)] pub(crate) struct NotAsNegationOperator { #[primary_span] pub negated: Span, @@ -203,21 +195,21 @@ pub(crate) struct NotAsNegationOperator { #[derive(Subdiagnostic)] pub enum NotAsNegationOperatorSub { #[suggestion_short( - parser::unexpected_token_after_not_default, + parser_unexpected_token_after_not_default, applicability = "machine-applicable", code = "!" )] SuggestNotDefault(#[primary_span] Span), #[suggestion_short( - parser::unexpected_token_after_not_bitwise, + parser_unexpected_token_after_not_bitwise, applicability = "machine-applicable", code = "!" )] SuggestNotBitwise(#[primary_span] Span), #[suggestion_short( - parser::unexpected_token_after_not_logical, + parser_unexpected_token_after_not_logical, applicability = "machine-applicable", code = "!" )] @@ -225,7 +217,7 @@ pub enum NotAsNegationOperatorSub { } #[derive(Diagnostic)] -#[diag(parser::malformed_loop_label)] +#[diag(parser_malformed_loop_label)] pub(crate) struct MalformedLoopLabel { #[primary_span] #[suggestion(applicability = "machine-applicable", code = "{correct_label}")] @@ -234,7 +226,7 @@ pub(crate) struct MalformedLoopLabel { } #[derive(Diagnostic)] -#[diag(parser::lifetime_in_borrow_expression)] +#[diag(parser_lifetime_in_borrow_expression)] pub(crate) struct LifetimeInBorrowExpression { #[primary_span] pub span: Span, @@ -244,27 +236,27 @@ pub(crate) struct LifetimeInBorrowExpression { } #[derive(Diagnostic)] -#[diag(parser::field_expression_with_generic)] +#[diag(parser_field_expression_with_generic)] pub(crate) struct FieldExpressionWithGeneric(#[primary_span] pub Span); #[derive(Diagnostic)] -#[diag(parser::macro_invocation_with_qualified_path)] +#[diag(parser_macro_invocation_with_qualified_path)] pub(crate) struct MacroInvocationWithQualifiedPath(#[primary_span] pub Span); #[derive(Diagnostic)] -#[diag(parser::unexpected_token_after_label)] +#[diag(parser_unexpected_token_after_label)] pub(crate) struct UnexpectedTokenAfterLabel { #[primary_span] - #[label(parser::unexpected_token_after_label)] + #[label(parser_unexpected_token_after_label)] pub span: Span, - #[suggestion_verbose(parser::suggestion_remove_label, code = "")] + #[suggestion_verbose(suggestion_remove_label, code = "")] pub remove_label: Option<Span>, #[subdiagnostic] pub enclose_in_block: Option<UnexpectedTokenAfterLabelSugg>, } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion_enclose_in_block, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion_enclose_in_block, applicability = "machine-applicable")] pub(crate) struct UnexpectedTokenAfterLabelSugg { #[suggestion_part(code = "{{ ")] pub left: Span, @@ -273,7 +265,7 @@ pub(crate) struct UnexpectedTokenAfterLabelSugg { } #[derive(Diagnostic)] -#[diag(parser::require_colon_after_labeled_expression)] +#[diag(parser_require_colon_after_labeled_expression)] #[note] pub(crate) struct RequireColonAfterLabeledExpression { #[primary_span] @@ -285,7 +277,7 @@ pub(crate) struct RequireColonAfterLabeledExpression { } #[derive(Diagnostic)] -#[diag(parser::do_catch_syntax_removed)] +#[diag(parser_do_catch_syntax_removed)] #[note] pub(crate) struct DoCatchSyntaxRemoved { #[primary_span] @@ -294,7 +286,7 @@ pub(crate) struct DoCatchSyntaxRemoved { } #[derive(Diagnostic)] -#[diag(parser::float_literal_requires_integer_part)] +#[diag(parser_float_literal_requires_integer_part)] pub(crate) struct FloatLiteralRequiresIntegerPart { #[primary_span] #[suggestion(applicability = "machine-applicable", code = "{correct}")] @@ -303,7 +295,7 @@ pub(crate) struct FloatLiteralRequiresIntegerPart { } #[derive(Diagnostic)] -#[diag(parser::invalid_int_literal_width)] +#[diag(parser_invalid_int_literal_width)] #[help] pub(crate) struct InvalidIntLiteralWidth { #[primary_span] @@ -312,7 +304,7 @@ pub(crate) struct InvalidIntLiteralWidth { } #[derive(Diagnostic)] -#[diag(parser::invalid_num_literal_base_prefix)] +#[diag(parser_invalid_num_literal_base_prefix)] #[note] pub(crate) struct InvalidNumLiteralBasePrefix { #[primary_span] @@ -322,7 +314,7 @@ pub(crate) struct InvalidNumLiteralBasePrefix { } #[derive(Diagnostic)] -#[diag(parser::invalid_num_literal_suffix)] +#[diag(parser_invalid_num_literal_suffix)] #[help] pub(crate) struct InvalidNumLiteralSuffix { #[primary_span] @@ -332,7 +324,7 @@ pub(crate) struct InvalidNumLiteralSuffix { } #[derive(Diagnostic)] -#[diag(parser::invalid_float_literal_width)] +#[diag(parser_invalid_float_literal_width)] #[help] pub(crate) struct InvalidFloatLiteralWidth { #[primary_span] @@ -341,7 +333,7 @@ pub(crate) struct InvalidFloatLiteralWidth { } #[derive(Diagnostic)] -#[diag(parser::invalid_float_literal_suffix)] +#[diag(parser_invalid_float_literal_suffix)] #[help] pub(crate) struct InvalidFloatLiteralSuffix { #[primary_span] @@ -351,14 +343,14 @@ pub(crate) struct InvalidFloatLiteralSuffix { } #[derive(Diagnostic)] -#[diag(parser::int_literal_too_large)] +#[diag(parser_int_literal_too_large)] pub(crate) struct IntLiteralTooLarge { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::missing_semicolon_before_array)] +#[diag(parser_missing_semicolon_before_array)] pub(crate) struct MissingSemicolonBeforeArray { #[primary_span] pub open_delim: Span, @@ -367,7 +359,7 @@ pub(crate) struct MissingSemicolonBeforeArray { } #[derive(Diagnostic)] -#[diag(parser::invalid_block_macro_segment)] +#[diag(parser_invalid_block_macro_segment)] pub(crate) struct InvalidBlockMacroSegment { #[primary_span] pub span: Span, @@ -376,7 +368,7 @@ pub(crate) struct InvalidBlockMacroSegment { } #[derive(Diagnostic)] -#[diag(parser::if_expression_missing_then_block)] +#[diag(parser_if_expression_missing_then_block)] pub(crate) struct IfExpressionMissingThenBlock { #[primary_span] pub if_span: Span, @@ -386,31 +378,31 @@ pub(crate) struct IfExpressionMissingThenBlock { #[derive(Subdiagnostic)] pub(crate) enum IfExpressionMissingThenBlockSub { - #[help(parser::condition_possibly_unfinished)] + #[help(condition_possibly_unfinished)] UnfinishedCondition(#[primary_span] Span), - #[help(parser::add_then_block)] + #[help(add_then_block)] AddThenBlock(#[primary_span] Span), } #[derive(Diagnostic)] -#[diag(parser::if_expression_missing_condition)] +#[diag(parser_if_expression_missing_condition)] pub(crate) struct IfExpressionMissingCondition { #[primary_span] - #[label(parser::condition_label)] + #[label(condition_label)] pub if_span: Span, - #[label(parser::block_label)] + #[label(block_label)] pub block_span: Span, } #[derive(Diagnostic)] -#[diag(parser::expected_expression_found_let)] +#[diag(parser_expected_expression_found_let)] pub(crate) struct ExpectedExpressionFoundLet { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::expected_else_block)] +#[diag(parser_expected_else_block)] pub(crate) struct ExpectedElseBlock { #[primary_span] pub first_tok_span: Span, @@ -422,15 +414,15 @@ pub(crate) struct ExpectedElseBlock { } #[derive(Diagnostic)] -#[diag(parser::outer_attribute_not_allowed_on_if_else)] +#[diag(parser_outer_attribute_not_allowed_on_if_else)] pub(crate) struct OuterAttributeNotAllowedOnIfElse { #[primary_span] pub last: Span, - #[label(parser::branch_label)] + #[label(branch_label)] pub branch_span: Span, - #[label(parser::ctx_label)] + #[label(ctx_label)] pub ctx_span: Span, pub ctx: String, @@ -439,7 +431,7 @@ pub(crate) struct OuterAttributeNotAllowedOnIfElse { } #[derive(Diagnostic)] -#[diag(parser::missing_in_in_for_loop)] +#[diag(parser_missing_in_in_for_loop)] pub(crate) struct MissingInInForLoop { #[primary_span] pub span: Span, @@ -450,14 +442,14 @@ pub(crate) struct MissingInInForLoop { #[derive(Subdiagnostic)] pub(crate) enum MissingInInForLoopSub { // Has been misleading, at least in the past (closed Issue #48492), thus maybe-incorrect - #[suggestion_short(parser::use_in_not_of, applicability = "maybe-incorrect", code = "in")] + #[suggestion_short(use_in_not_of, applicability = "maybe-incorrect", code = "in")] InNotOf(#[primary_span] Span), - #[suggestion_short(parser::add_in, applicability = "maybe-incorrect", code = " in ")] + #[suggestion_short(add_in, applicability = "maybe-incorrect", code = " in ")] AddIn(#[primary_span] Span), } #[derive(Diagnostic)] -#[diag(parser::missing_comma_after_match_arm)] +#[diag(parser_missing_comma_after_match_arm)] pub(crate) struct MissingCommaAfterMatchArm { #[primary_span] #[suggestion(applicability = "machine-applicable", code = ",")] @@ -465,7 +457,7 @@ pub(crate) struct MissingCommaAfterMatchArm { } #[derive(Diagnostic)] -#[diag(parser::catch_after_try)] +#[diag(parser_catch_after_try)] #[help] pub(crate) struct CatchAfterTry { #[primary_span] @@ -473,7 +465,7 @@ pub(crate) struct CatchAfterTry { } #[derive(Diagnostic)] -#[diag(parser::comma_after_base_struct)] +#[diag(parser_comma_after_base_struct)] #[note] pub(crate) struct CommaAfterBaseStruct { #[primary_span] @@ -483,7 +475,7 @@ pub(crate) struct CommaAfterBaseStruct { } #[derive(Diagnostic)] -#[diag(parser::eq_field_init)] +#[diag(parser_eq_field_init)] pub(crate) struct EqFieldInit { #[primary_span] pub span: Span, @@ -492,16 +484,16 @@ pub(crate) struct EqFieldInit { } #[derive(Diagnostic)] -#[diag(parser::dotdotdot)] +#[diag(parser_dotdotdot)] pub(crate) struct DotDotDot { #[primary_span] - #[suggestion(parser::suggest_exclusive_range, applicability = "maybe-incorrect", code = "..")] - #[suggestion(parser::suggest_inclusive_range, applicability = "maybe-incorrect", code = "..=")] + #[suggestion(suggest_exclusive_range, applicability = "maybe-incorrect", code = "..")] + #[suggestion(suggest_inclusive_range, applicability = "maybe-incorrect", code = "..=")] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::left_arrow_operator)] +#[diag(parser_left_arrow_operator)] pub(crate) struct LeftArrowOperator { #[primary_span] #[suggestion(applicability = "maybe-incorrect", code = "< -")] @@ -509,7 +501,7 @@ pub(crate) struct LeftArrowOperator { } #[derive(Diagnostic)] -#[diag(parser::remove_let)] +#[diag(parser_remove_let)] pub(crate) struct RemoveLet { #[primary_span] #[suggestion(applicability = "machine-applicable", code = "")] @@ -517,7 +509,7 @@ pub(crate) struct RemoveLet { } #[derive(Diagnostic)] -#[diag(parser::use_eq_instead)] +#[diag(parser_use_eq_instead)] pub(crate) struct UseEqInstead { #[primary_span] #[suggestion_short(applicability = "machine-applicable", code = "=")] @@ -525,7 +517,7 @@ pub(crate) struct UseEqInstead { } #[derive(Diagnostic)] -#[diag(parser::use_empty_block_not_semi)] +#[diag(parser_use_empty_block_not_semi)] pub(crate) struct UseEmptyBlockNotSemi { #[primary_span] #[suggestion_hidden(applicability = "machine-applicable", code = "{{}}")] @@ -533,33 +525,33 @@ pub(crate) struct UseEmptyBlockNotSemi { } #[derive(Diagnostic)] -#[diag(parser::comparison_interpreted_as_generic)] +#[diag(parser_comparison_interpreted_as_generic)] pub(crate) struct ComparisonInterpretedAsGeneric { #[primary_span] - #[label(parser::label_comparison)] + #[label(label_comparison)] pub comparison: Span, pub r#type: Path, - #[label(parser::label_args)] + #[label(label_args)] pub args: Span, #[subdiagnostic] pub suggestion: ComparisonOrShiftInterpretedAsGenericSugg, } #[derive(Diagnostic)] -#[diag(parser::shift_interpreted_as_generic)] +#[diag(parser_shift_interpreted_as_generic)] pub(crate) struct ShiftInterpretedAsGeneric { #[primary_span] - #[label(parser::label_comparison)] + #[label(label_comparison)] pub shift: Span, pub r#type: Path, - #[label(parser::label_args)] + #[label(label_args)] pub args: Span, #[subdiagnostic] pub suggestion: ComparisonOrShiftInterpretedAsGenericSugg, } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion, applicability = "machine-applicable")] pub(crate) struct ComparisonOrShiftInterpretedAsGenericSugg { #[suggestion_part(code = "(")] pub left: Span, @@ -568,7 +560,7 @@ pub(crate) struct ComparisonOrShiftInterpretedAsGenericSugg { } #[derive(Diagnostic)] -#[diag(parser::found_expr_would_be_stmt)] +#[diag(parser_found_expr_would_be_stmt)] pub(crate) struct FoundExprWouldBeStmt { #[primary_span] #[label] @@ -579,23 +571,19 @@ pub(crate) struct FoundExprWouldBeStmt { } #[derive(Diagnostic)] -#[diag(parser::leading_plus_not_supported)] +#[diag(parser_leading_plus_not_supported)] pub(crate) struct LeadingPlusNotSupported { #[primary_span] #[label] pub span: Span, - #[suggestion_verbose( - parser::suggestion_remove_plus, - code = "", - applicability = "machine-applicable" - )] + #[suggestion_verbose(suggestion_remove_plus, code = "", applicability = "machine-applicable")] pub remove_plus: Option<Span>, #[subdiagnostic] pub add_parentheses: Option<ExprParenthesesNeeded>, } #[derive(Diagnostic)] -#[diag(parser::parentheses_with_struct_fields)] +#[diag(parser_parentheses_with_struct_fields)] pub(crate) struct ParenthesesWithStructFields { #[primary_span] pub span: Span, @@ -607,7 +595,7 @@ pub(crate) struct ParenthesesWithStructFields { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion_braces_for_struct, applicability = "maybe-incorrect")] +#[multipart_suggestion(suggestion_braces_for_struct, applicability = "maybe-incorrect")] pub(crate) struct BracesForStructLiteral { #[suggestion_part(code = " {{ ")] pub first: Span, @@ -616,14 +604,14 @@ pub(crate) struct BracesForStructLiteral { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion_no_fields_for_fn, applicability = "maybe-incorrect")] +#[multipart_suggestion(suggestion_no_fields_for_fn, applicability = "maybe-incorrect")] pub(crate) struct NoFieldsForFnCall { #[suggestion_part(code = "")] pub fields: Vec<Span>, } #[derive(Diagnostic)] -#[diag(parser::labeled_loop_in_break)] +#[diag(parser_labeled_loop_in_break)] pub(crate) struct LabeledLoopInBreak { #[primary_span] pub span: Span, @@ -633,7 +621,7 @@ pub(crate) struct LabeledLoopInBreak { #[derive(Subdiagnostic)] #[multipart_suggestion( - parser::sugg_wrap_expression_in_parentheses, + parser_sugg_wrap_expression_in_parentheses, applicability = "machine-applicable" )] pub(crate) struct WrapExpressionInParentheses { @@ -644,7 +632,7 @@ pub(crate) struct WrapExpressionInParentheses { } #[derive(Diagnostic)] -#[diag(parser::array_brackets_instead_of_braces)] +#[diag(parser_array_brackets_instead_of_braces)] pub(crate) struct ArrayBracketsInsteadOfSpaces { #[primary_span] pub span: Span, @@ -653,7 +641,7 @@ pub(crate) struct ArrayBracketsInsteadOfSpaces { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "maybe-incorrect")] +#[multipart_suggestion(suggestion, applicability = "maybe-incorrect")] pub(crate) struct ArrayBracketsInsteadOfSpacesSugg { #[suggestion_part(code = "[")] pub left: Span, @@ -662,12 +650,12 @@ pub(crate) struct ArrayBracketsInsteadOfSpacesSugg { } #[derive(Diagnostic)] -#[diag(parser::match_arm_body_without_braces)] +#[diag(parser_match_arm_body_without_braces)] pub(crate) struct MatchArmBodyWithoutBraces { #[primary_span] - #[label(parser::label_statements)] + #[label(label_statements)] pub statements: Span, - #[label(parser::label_arrow)] + #[label(label_arrow)] pub arrow: Span, pub num_statements: usize, #[subdiagnostic] @@ -676,7 +664,7 @@ pub(crate) struct MatchArmBodyWithoutBraces { #[derive(Subdiagnostic)] pub(crate) enum MatchArmBodyWithoutBracesSugg { - #[multipart_suggestion(parser::suggestion_add_braces, applicability = "machine-applicable")] + #[multipart_suggestion(suggestion_add_braces, applicability = "machine-applicable")] AddBraces { #[suggestion_part(code = "{{ ")] left: Span, @@ -684,7 +672,7 @@ pub(crate) enum MatchArmBodyWithoutBracesSugg { right: Span, }, #[suggestion( - parser::suggestion_use_comma_not_semicolon, + suggestion_use_comma_not_semicolon, code = ",", applicability = "machine-applicable" )] @@ -695,7 +683,7 @@ pub(crate) enum MatchArmBodyWithoutBracesSugg { } #[derive(Diagnostic)] -#[diag(parser::struct_literal_not_allowed_here)] +#[diag(parser_struct_literal_not_allowed_here)] pub(crate) struct StructLiteralNotAllowedHere { #[primary_span] pub span: Span, @@ -704,7 +692,7 @@ pub(crate) struct StructLiteralNotAllowedHere { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion, applicability = "machine-applicable")] pub(crate) struct StructLiteralNotAllowedHereSugg { #[suggestion_part(code = "(")] pub left: Span, @@ -713,38 +701,38 @@ pub(crate) struct StructLiteralNotAllowedHereSugg { } #[derive(Diagnostic)] -#[diag(parser::invalid_interpolated_expression)] +#[diag(parser_invalid_interpolated_expression)] pub(crate) struct InvalidInterpolatedExpression { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::hexadecimal_float_literal_not_supported)] +#[diag(parser_hexadecimal_float_literal_not_supported)] pub(crate) struct HexadecimalFloatLiteralNotSupported { #[primary_span] - #[label(parser::not_supported)] + #[label(parser_not_supported)] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::octal_float_literal_not_supported)] +#[diag(parser_octal_float_literal_not_supported)] pub(crate) struct OctalFloatLiteralNotSupported { #[primary_span] - #[label(parser::not_supported)] + #[label(parser_not_supported)] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::binary_float_literal_not_supported)] +#[diag(parser_binary_float_literal_not_supported)] pub(crate) struct BinaryFloatLiteralNotSupported { #[primary_span] - #[label(parser::not_supported)] + #[label(parser_not_supported)] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::invalid_literal_suffix)] +#[diag(parser_invalid_literal_suffix)] pub(crate) struct InvalidLiteralSuffix { #[primary_span] #[label] @@ -755,20 +743,20 @@ pub(crate) struct InvalidLiteralSuffix { } #[derive(Diagnostic)] -#[diag(parser::invalid_literal_suffix_on_tuple_index)] +#[diag(parser_invalid_literal_suffix_on_tuple_index)] pub(crate) struct InvalidLiteralSuffixOnTupleIndex { #[primary_span] #[label] pub span: Span, pub suffix: Symbol, - #[help(parser::tuple_exception_line_1)] - #[help(parser::tuple_exception_line_2)] - #[help(parser::tuple_exception_line_3)] + #[help(tuple_exception_line_1)] + #[help(tuple_exception_line_2)] + #[help(tuple_exception_line_3)] pub exception: Option<()>, } #[derive(Diagnostic)] -#[diag(parser::non_string_abi_literal)] +#[diag(parser_non_string_abi_literal)] pub(crate) struct NonStringAbiLiteral { #[primary_span] #[suggestion(code = "\"C\"", applicability = "maybe-incorrect")] @@ -776,21 +764,21 @@ pub(crate) struct NonStringAbiLiteral { } #[derive(Diagnostic)] -#[diag(parser::mismatched_closing_delimiter)] +#[diag(parser_mismatched_closing_delimiter)] pub(crate) struct MismatchedClosingDelimiter { #[primary_span] pub spans: Vec<Span>, pub delimiter: String, - #[label(parser::label_unmatched)] + #[label(label_unmatched)] pub unmatched: Span, - #[label(parser::label_opening_candidate)] + #[label(label_opening_candidate)] pub opening_candidate: Option<Span>, - #[label(parser::label_unclosed)] + #[label(label_unclosed)] pub unclosed: Option<Span>, } #[derive(Diagnostic)] -#[diag(parser::incorrect_visibility_restriction, code = "E0704")] +#[diag(parser_incorrect_visibility_restriction, code = "E0704")] #[help] pub(crate) struct IncorrectVisibilityRestriction { #[primary_span] @@ -800,21 +788,21 @@ pub(crate) struct IncorrectVisibilityRestriction { } #[derive(Diagnostic)] -#[diag(parser::assignment_else_not_allowed)] +#[diag(parser_assignment_else_not_allowed)] pub(crate) struct AssignmentElseNotAllowed { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::expected_statement_after_outer_attr)] +#[diag(parser_expected_statement_after_outer_attr)] pub(crate) struct ExpectedStatementAfterOuterAttr { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(parser::doc_comment_does_not_document_anything, code = "E0585")] +#[diag(parser_doc_comment_does_not_document_anything, code = "E0585")] #[help] pub(crate) struct DocCommentDoesNotDocumentAnything { #[primary_span] @@ -824,7 +812,7 @@ pub(crate) struct DocCommentDoesNotDocumentAnything { } #[derive(Diagnostic)] -#[diag(parser::const_let_mutually_exclusive)] +#[diag(parser_const_let_mutually_exclusive)] pub(crate) struct ConstLetMutuallyExclusive { #[primary_span] #[suggestion(code = "const", applicability = "maybe-incorrect")] @@ -832,7 +820,7 @@ pub(crate) struct ConstLetMutuallyExclusive { } #[derive(Diagnostic)] -#[diag(parser::invalid_expression_in_let_else)] +#[diag(parser_invalid_expression_in_let_else)] pub(crate) struct InvalidExpressionInLetElse { #[primary_span] pub span: Span, @@ -842,7 +830,7 @@ pub(crate) struct InvalidExpressionInLetElse { } #[derive(Diagnostic)] -#[diag(parser::invalid_curly_in_let_else)] +#[diag(parser_invalid_curly_in_let_else)] pub(crate) struct InvalidCurlyInLetElse { #[primary_span] pub span: Span, @@ -851,7 +839,7 @@ pub(crate) struct InvalidCurlyInLetElse { } #[derive(Diagnostic)] -#[diag(parser::compound_assignment_expression_in_let)] +#[diag(parser_compound_assignment_expression_in_let)] #[help] pub(crate) struct CompoundAssignmentExpressionInLet { #[primary_span] @@ -860,7 +848,7 @@ pub(crate) struct CompoundAssignmentExpressionInLet { } #[derive(Diagnostic)] -#[diag(parser::suffixed_literal_in_attribute)] +#[diag(parser_suffixed_literal_in_attribute)] #[help] pub(crate) struct SuffixedLiteralInAttribute { #[primary_span] @@ -868,7 +856,7 @@ pub(crate) struct SuffixedLiteralInAttribute { } #[derive(Diagnostic)] -#[diag(parser::invalid_meta_item)] +#[diag(parser_invalid_meta_item)] pub(crate) struct InvalidMetaItem { #[primary_span] pub span: Span, @@ -877,7 +865,7 @@ pub(crate) struct InvalidMetaItem { #[derive(Subdiagnostic)] #[suggestion_verbose( - parser::sugg_escape_to_use_as_identifier, + parser_sugg_escape_to_use_as_identifier, applicability = "maybe-incorrect", code = "r#" )] @@ -888,7 +876,7 @@ pub(crate) struct SuggEscapeToUseAsIdentifier { } #[derive(Subdiagnostic)] -#[suggestion(parser::sugg_remove_comma, applicability = "machine-applicable", code = "")] +#[suggestion(parser_sugg_remove_comma, applicability = "machine-applicable", code = "")] pub(crate) struct SuggRemoveComma { #[primary_span] pub span: Span, @@ -896,15 +884,15 @@ pub(crate) struct SuggRemoveComma { #[derive(Subdiagnostic)] pub(crate) enum ExpectedIdentifierFound { - #[label(parser::expected_identifier_found_reserved_identifier)] + #[label(parser_expected_identifier_found_reserved_identifier)] ReservedIdentifier(#[primary_span] Span), - #[label(parser::expected_identifier_found_keyword)] + #[label(parser_expected_identifier_found_keyword)] Keyword(#[primary_span] Span), - #[label(parser::expected_identifier_found_reserved_keyword)] + #[label(parser_expected_identifier_found_reserved_keyword)] ReservedKeyword(#[primary_span] Span), - #[label(parser::expected_identifier_found_doc_comment)] + #[label(parser_expected_identifier_found_doc_comment)] DocComment(#[primary_span] Span), - #[label(parser::expected_identifier)] + #[label(parser_expected_identifier)] Other(#[primary_span] Span), } @@ -938,18 +926,16 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for ExpectedIdentifier { let mut diag = handler.struct_diagnostic(match token_descr { Some(TokenDescription::ReservedIdentifier) => { - fluent::parser::expected_identifier_found_reserved_identifier_str - } - Some(TokenDescription::Keyword) => { - fluent::parser::expected_identifier_found_keyword_str + fluent::parser_expected_identifier_found_reserved_identifier_str } + Some(TokenDescription::Keyword) => fluent::parser_expected_identifier_found_keyword_str, Some(TokenDescription::ReservedKeyword) => { - fluent::parser::expected_identifier_found_reserved_keyword_str + fluent::parser_expected_identifier_found_reserved_keyword_str } Some(TokenDescription::DocComment) => { - fluent::parser::expected_identifier_found_doc_comment_str + fluent::parser_expected_identifier_found_doc_comment_str } - None => fluent::parser::expected_identifier_found_str, + None => fluent::parser_expected_identifier_found_str, }); diag.set_span(self.span); diag.set_arg("token", self.token); @@ -985,22 +971,22 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for ExpectedSemi { let mut diag = handler.struct_diagnostic(match token_descr { Some(TokenDescription::ReservedIdentifier) => { - fluent::parser::expected_semi_found_reserved_identifier_str + fluent::parser_expected_semi_found_reserved_identifier_str } - Some(TokenDescription::Keyword) => fluent::parser::expected_semi_found_keyword_str, + Some(TokenDescription::Keyword) => fluent::parser_expected_semi_found_keyword_str, Some(TokenDescription::ReservedKeyword) => { - fluent::parser::expected_semi_found_reserved_keyword_str + fluent::parser_expected_semi_found_reserved_keyword_str } Some(TokenDescription::DocComment) => { - fluent::parser::expected_semi_found_doc_comment_str + fluent::parser_expected_semi_found_doc_comment_str } - None => fluent::parser::expected_semi_found_str, + None => fluent::parser_expected_semi_found_str, }); diag.set_span(self.span); diag.set_arg("token", self.token); if let Some(unexpected_token_label) = self.unexpected_token_label { - diag.span_label(unexpected_token_label, fluent::parser::label_unexpected_token); + diag.span_label(unexpected_token_label, fluent::parser_label_unexpected_token); } self.sugg.add_to_diagnostic(&mut diag); @@ -1012,17 +998,17 @@ impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for ExpectedSemi { #[derive(Subdiagnostic)] pub(crate) enum ExpectedSemiSugg { #[suggestion( - parser::sugg_change_this_to_semi, + parser_sugg_change_this_to_semi, code = ";", applicability = "machine-applicable" )] ChangeToSemi(#[primary_span] Span), - #[suggestion_short(parser::sugg_add_semi, code = ";", applicability = "machine-applicable")] + #[suggestion_short(parser_sugg_add_semi, code = ";", applicability = "machine-applicable")] AddSemi(#[primary_span] Span), } #[derive(Diagnostic)] -#[diag(parser::struct_literal_body_without_path)] +#[diag(parser_struct_literal_body_without_path)] pub(crate) struct StructLiteralBodyWithoutPath { #[primary_span] pub span: Span, @@ -1031,7 +1017,7 @@ pub(crate) struct StructLiteralBodyWithoutPath { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "has-placeholders")] +#[multipart_suggestion(suggestion, applicability = "has-placeholders")] pub(crate) struct StructLiteralBodyWithoutPathSugg { #[suggestion_part(code = "{{ SomeStruct ")] pub before: Span, @@ -1040,7 +1026,7 @@ pub(crate) struct StructLiteralBodyWithoutPathSugg { } #[derive(Diagnostic)] -#[diag(parser::unmatched_angle_brackets)] +#[diag(parser_unmatched_angle_brackets)] pub(crate) struct UnmatchedAngleBrackets { #[primary_span] #[suggestion(code = "", applicability = "machine-applicable")] @@ -1049,7 +1035,7 @@ pub(crate) struct UnmatchedAngleBrackets { } #[derive(Diagnostic)] -#[diag(parser::generic_parameters_without_angle_brackets)] +#[diag(parser_generic_parameters_without_angle_brackets)] pub(crate) struct GenericParamsWithoutAngleBrackets { #[primary_span] pub span: Span, @@ -1058,7 +1044,7 @@ pub(crate) struct GenericParamsWithoutAngleBrackets { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion, applicability = "machine-applicable")] pub(crate) struct GenericParamsWithoutAngleBracketsSugg { #[suggestion_part(code = "<")] pub left: Span, @@ -1067,18 +1053,18 @@ pub(crate) struct GenericParamsWithoutAngleBracketsSugg { } #[derive(Diagnostic)] -#[diag(parser::comparison_operators_cannot_be_chained)] +#[diag(parser_comparison_operators_cannot_be_chained)] pub(crate) struct ComparisonOperatorsCannotBeChained { #[primary_span] pub span: Vec<Span>, #[suggestion_verbose( - parser::sugg_turbofish_syntax, + parser_sugg_turbofish_syntax, code = "::", applicability = "maybe-incorrect" )] pub suggest_turbofish: Option<Span>, - #[help(parser::sugg_turbofish_syntax)] - #[help(parser::sugg_parentheses_for_function_args)] + #[help(parser_sugg_turbofish_syntax)] + #[help(sugg_parentheses_for_function_args)] pub help_turbofish: Option<()>, #[subdiagnostic] pub chaining_sugg: Option<ComparisonOperatorsCannotBeChainedSugg>, @@ -1087,7 +1073,7 @@ pub(crate) struct ComparisonOperatorsCannotBeChained { #[derive(Subdiagnostic)] pub(crate) enum ComparisonOperatorsCannotBeChainedSugg { #[suggestion_verbose( - parser::sugg_split_comparison, + sugg_split_comparison, code = " && {middle_term}", applicability = "maybe-incorrect" )] @@ -1096,7 +1082,7 @@ pub(crate) enum ComparisonOperatorsCannotBeChainedSugg { span: Span, middle_term: String, }, - #[multipart_suggestion(parser::sugg_parenthesize, applicability = "maybe-incorrect")] + #[multipart_suggestion(sugg_parenthesize, applicability = "maybe-incorrect")] Parenthesize { #[suggestion_part(code = "(")] left: Span, @@ -1106,7 +1092,7 @@ pub(crate) enum ComparisonOperatorsCannotBeChainedSugg { } #[derive(Diagnostic)] -#[diag(parser::question_mark_in_type)] +#[diag(parser_question_mark_in_type)] pub(crate) struct QuestionMarkInType { #[primary_span] #[label] @@ -1116,7 +1102,7 @@ pub(crate) struct QuestionMarkInType { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion, applicability = "machine-applicable")] pub(crate) struct QuestionMarkInTypeSugg { #[suggestion_part(code = "Option<")] pub left: Span, @@ -1125,7 +1111,7 @@ pub(crate) struct QuestionMarkInTypeSugg { } #[derive(Diagnostic)] -#[diag(parser::unexpected_parentheses_in_for_head)] +#[diag(parser_unexpected_parentheses_in_for_head)] pub(crate) struct ParenthesesInForHead { #[primary_span] pub span: Vec<Span>, @@ -1134,7 +1120,7 @@ pub(crate) struct ParenthesesInForHead { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion, applicability = "machine-applicable")] pub(crate) struct ParenthesesInForHeadSugg { #[suggestion_part(code = "")] pub left: Span, @@ -1143,7 +1129,7 @@ pub(crate) struct ParenthesesInForHeadSugg { } #[derive(Diagnostic)] -#[diag(parser::doc_comment_on_param_type)] +#[diag(parser_doc_comment_on_param_type)] pub(crate) struct DocCommentOnParamType { #[primary_span] #[label] @@ -1151,7 +1137,7 @@ pub(crate) struct DocCommentOnParamType { } #[derive(Diagnostic)] -#[diag(parser::attribute_on_param_type)] +#[diag(parser_attribute_on_param_type)] pub(crate) struct AttributeOnParamType { #[primary_span] #[label] @@ -1159,7 +1145,7 @@ pub(crate) struct AttributeOnParamType { } #[derive(Diagnostic)] -#[diag(parser::pattern_method_param_without_body, code = "E0642")] +#[diag(parser_pattern_method_param_without_body, code = "E0642")] pub(crate) struct PatternMethodParamWithoutBody { #[primary_span] #[suggestion(code = "_", applicability = "machine-applicable")] @@ -1167,7 +1153,7 @@ pub(crate) struct PatternMethodParamWithoutBody { } #[derive(Diagnostic)] -#[diag(parser::self_param_not_first)] +#[diag(parser_self_param_not_first)] pub(crate) struct SelfParamNotFirst { #[primary_span] #[label] @@ -1175,7 +1161,7 @@ pub(crate) struct SelfParamNotFirst { } #[derive(Diagnostic)] -#[diag(parser::const_generic_without_braces)] +#[diag(parser_const_generic_without_braces)] pub(crate) struct ConstGenericWithoutBraces { #[primary_span] pub span: Span, @@ -1184,7 +1170,7 @@ pub(crate) struct ConstGenericWithoutBraces { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] +#[multipart_suggestion(suggestion, applicability = "machine-applicable")] pub(crate) struct ConstGenericWithoutBracesSugg { #[suggestion_part(code = "{{ ")] pub left: Span, @@ -1193,7 +1179,7 @@ pub(crate) struct ConstGenericWithoutBracesSugg { } #[derive(Diagnostic)] -#[diag(parser::unexpected_const_param_declaration)] +#[diag(parser_unexpected_const_param_declaration)] pub(crate) struct UnexpectedConstParamDeclaration { #[primary_span] #[label] @@ -1204,7 +1190,7 @@ pub(crate) struct UnexpectedConstParamDeclaration { #[derive(Subdiagnostic)] pub(crate) enum UnexpectedConstParamDeclarationSugg { - #[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] + #[multipart_suggestion(suggestion, applicability = "machine-applicable")] AddParam { #[suggestion_part(code = "<{snippet}>")] impl_generics: Span, @@ -1213,7 +1199,7 @@ pub(crate) enum UnexpectedConstParamDeclarationSugg { snippet: String, ident: String, }, - #[multipart_suggestion(parser::suggestion, applicability = "machine-applicable")] + #[multipart_suggestion(suggestion, applicability = "machine-applicable")] AppendParam { #[suggestion_part(code = ", {snippet}")] impl_generics_end: Span, @@ -1225,7 +1211,7 @@ pub(crate) enum UnexpectedConstParamDeclarationSugg { } #[derive(Diagnostic)] -#[diag(parser::unexpected_const_in_generic_param)] +#[diag(parser_unexpected_const_in_generic_param)] pub(crate) struct UnexpectedConstInGenericParam { #[primary_span] pub span: Span, @@ -1234,7 +1220,7 @@ pub(crate) struct UnexpectedConstInGenericParam { } #[derive(Diagnostic)] -#[diag(parser::async_move_order_incorrect)] +#[diag(parser_async_move_order_incorrect)] pub(crate) struct AsyncMoveOrderIncorrect { #[primary_span] #[suggestion_verbose(code = "async move", applicability = "maybe-incorrect")] @@ -1242,7 +1228,7 @@ pub(crate) struct AsyncMoveOrderIncorrect { } #[derive(Diagnostic)] -#[diag(parser::double_colon_in_bound)] +#[diag(parser_double_colon_in_bound)] pub(crate) struct DoubleColonInBound { #[primary_span] pub span: Span, diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index 88540e13ef2..462bce16ad7 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -3,7 +3,9 @@ use rustc_ast::ast::{self, AttrStyle}; use rustc_ast::token::{self, CommentKind, Delimiter, Token, TokenKind}; use rustc_ast::tokenstream::TokenStream; use rustc_ast::util::unicode::contains_text_flow_control_chars; -use rustc_errors::{error_code, Applicability, DiagnosticBuilder, ErrorGuaranteed, PResult}; +use rustc_errors::{ + error_code, Applicability, DiagnosticBuilder, ErrorGuaranteed, PResult, StashKey, +}; use rustc_lexer::unescape::{self, Mode}; use rustc_lexer::Cursor; use rustc_lexer::{Base, DocStyle, RawStrError}; @@ -203,7 +205,10 @@ impl<'a> StringReader<'a> { // this is necessary. let lifetime_name = self.str_from(start); if starts_with_number { - self.err_span_(start, self.pos, "lifetimes cannot start with a number"); + let span = self.mk_sp(start, self.pos); + let mut diag = self.sess.struct_err("lifetimes cannot start with a number"); + diag.set_span(span); + diag.stash(span, StashKey::LifetimeIsChar); } let ident = Symbol::intern(lifetime_name); token::Lifetime(ident) diff --git a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs index 77c4fadab45..f075de71426 100644 --- a/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs +++ b/compiler/rustc_parse/src/lexer/unescape_error_reporting.rs @@ -113,11 +113,26 @@ pub(crate) fn emit_unescape_error( } else { ("", "if you meant to write a `str` literal, use double quotes") }; - + let mut escaped = String::with_capacity(lit.len()); + let mut chrs = lit.chars().peekable(); + while let Some(first) = chrs.next() { + match (first, chrs.peek()) { + ('\\', Some('"')) => { + escaped.push('\\'); + escaped.push('"'); + chrs.next(); + } + ('"', _) => { + escaped.push('\\'); + escaped.push('"') + } + (c, _) => escaped.push(c), + }; + } handler.span_suggestion( span_with_quotes, msg, - format!("{}\"{}\"", prefix, lit), + format!("{prefix}\"{escaped}\""), Applicability::MachineApplicable, ); } diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index 58be348883c..9e45656946b 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -55,7 +55,7 @@ impl<'a> Parser<'a> { let span = self.token.span; let mut err = self.sess.span_diagnostic.struct_span_err_with_code( span, - fluent::parser::inner_doc_comment_not_permitted, + fluent::parser_inner_doc_comment_not_permitted, error_code!(E0753), ); if let Some(replacement_span) = self.annotate_following_item_if_applicable( @@ -66,10 +66,10 @@ impl<'a> Parser<'a> { token::CommentKind::Block => OuterAttributeType::DocBlockComment, }, ) { - err.note(fluent::parser::note); + err.note(fluent::note); err.span_suggestion_verbose( replacement_span, - fluent::parser::suggestion, + fluent::suggestion, "", rustc_errors::Applicability::MachineApplicable, ); @@ -173,10 +173,10 @@ impl<'a> Parser<'a> { Ok(Some(item)) => { // FIXME(#100717) err.set_arg("item", item.kind.descr()); - err.span_label(item.span, fluent::parser::label_does_not_annotate_this); + err.span_label(item.span, fluent::label_does_not_annotate_this); err.span_suggestion_verbose( replacement_span, - fluent::parser::sugg_change_inner_to_outer, + fluent::sugg_change_inner_to_outer, match attr_type { OuterAttributeType::Attribute => "", OuterAttributeType::DocBlockComment => "*", @@ -200,27 +200,27 @@ impl<'a> Parser<'a> { Some(InnerAttrForbiddenReason::AfterOuterDocComment { prev_doc_comment_span }) => { let mut diag = self.struct_span_err( attr_sp, - fluent::parser::inner_attr_not_permitted_after_outer_doc_comment, + fluent::parser_inner_attr_not_permitted_after_outer_doc_comment, ); - diag.span_label(attr_sp, fluent::parser::label_attr) - .span_label(prev_doc_comment_span, fluent::parser::label_prev_doc_comment); + diag.span_label(attr_sp, fluent::label_attr) + .span_label(prev_doc_comment_span, fluent::label_prev_doc_comment); diag } Some(InnerAttrForbiddenReason::AfterOuterAttribute { prev_outer_attr_sp }) => { let mut diag = self.struct_span_err( attr_sp, - fluent::parser::inner_attr_not_permitted_after_outer_attr, + fluent::parser_inner_attr_not_permitted_after_outer_attr, ); - diag.span_label(attr_sp, fluent::parser::label_attr) - .span_label(prev_outer_attr_sp, fluent::parser::label_prev_attr); + diag.span_label(attr_sp, fluent::label_attr) + .span_label(prev_outer_attr_sp, fluent::label_prev_attr); diag } Some(InnerAttrForbiddenReason::InCodeBlock) | None => { - self.struct_span_err(attr_sp, fluent::parser::inner_attr_not_permitted) + self.struct_span_err(attr_sp, fluent::parser_inner_attr_not_permitted) } }; - diag.note(fluent::parser::inner_attr_explanation); + diag.note(fluent::parser_inner_attr_explanation); if self .annotate_following_item_if_applicable( &mut diag, @@ -229,7 +229,7 @@ impl<'a> Parser<'a> { ) .is_some() { - diag.note(fluent::parser::outer_attr_explanation); + diag.note(fluent::parser_outer_attr_explanation); }; diag.emit(); } diff --git a/compiler/rustc_parse/src/parser/attr_wrapper.rs b/compiler/rustc_parse/src/parser/attr_wrapper.rs index 81c051b8f35..1b16ecb5ec2 100644 --- a/compiler/rustc_parse/src/parser/attr_wrapper.rs +++ b/compiler/rustc_parse/src/parser/attr_wrapper.rs @@ -273,16 +273,23 @@ impl<'a> Parser<'a> { let cursor_snapshot_next_calls = cursor_snapshot.num_next_calls; let mut end_pos = self.token_cursor.num_next_calls; + let mut captured_trailing = false; + // Capture a trailing token if requested by the callback 'f' match trailing { TrailingToken::None => {} + TrailingToken::Gt => { + assert_eq!(self.token.kind, token::Gt); + } TrailingToken::Semi => { assert_eq!(self.token.kind, token::Semi); end_pos += 1; + captured_trailing = true; } TrailingToken::MaybeComma => { if self.token.kind == token::Comma { end_pos += 1; + captured_trailing = true; } } } @@ -292,11 +299,7 @@ impl<'a> Parser<'a> { // was not actually bumped past it. When the `LazyAttrTokenStream` gets converted // into an `AttrTokenStream`, we will create the proper token. if self.token_cursor.break_last_token { - assert_eq!( - trailing, - TrailingToken::None, - "Cannot set `break_last_token` and have trailing token" - ); + assert!(!captured_trailing, "Cannot set break_last_token and have trailing token"); end_pos += 1; } diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index 40d85c833a7..887a4a6de33 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -926,7 +926,7 @@ impl<'a> Parser<'a> { if self.eat(&token::Gt) { e.span_suggestion_verbose( binop.span.shrink_to_lo(), - fluent::parser::sugg_turbofish_syntax, + fluent::parser_sugg_turbofish_syntax, "::", Applicability::MaybeIncorrect, ) @@ -1374,9 +1374,17 @@ impl<'a> Parser<'a> { kind: IncDecRecovery, (pre_span, post_span): (Span, Span), ) -> MultiSugg { + let mut patches = Vec::new(); + + if !pre_span.is_empty() { + patches.push((pre_span, String::new())); + } + + patches.push((post_span, format!(" {}= 1", kind.op.chr()))); + MultiSugg { msg: format!("use `{}= 1` instead", kind.op.chr()), - patches: vec![(pre_span, String::new()), (post_span, format!(" {}= 1", kind.op.chr()))], + patches, applicability: Applicability::MachineApplicable, } } diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index afa116ce1bc..ca216b1cd10 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -42,8 +42,10 @@ use rustc_ast::{AnonConst, BinOp, BinOpKind, FnDecl, FnRetTy, MacCall, Param, Ty use rustc_ast::{Arm, Async, BlockCheckMode, Expr, ExprKind, Label, Movability, RangeLimits}; use rustc_ast::{ClosureBinder, StmtKind}; use rustc_ast_pretty::pprust; -use rustc_errors::IntoDiagnostic; -use rustc_errors::{Applicability, Diagnostic, PResult}; +use rustc_errors::{ + Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed, IntoDiagnostic, PResult, + StashKey, +}; use rustc_session::errors::ExprParenthesesNeeded; use rustc_session::lint::builtin::BREAK_WITH_LABEL_AND_LOOP; use rustc_session::lint::BuiltinLintDiagnostics; @@ -1513,11 +1515,11 @@ impl<'a> Parser<'a> { /// Parse `'label: $expr`. The label is already parsed. fn parse_labeled_expr( &mut self, - label: Label, + label_: Label, mut consume_colon: bool, ) -> PResult<'a, P<Expr>> { - let lo = label.ident.span; - let label = Some(label); + let lo = label_.ident.span; + let label = Some(label_); let ate_colon = self.eat(&token::Colon); let expr = if self.eat_keyword(kw::While) { self.parse_while_expr(label, lo) @@ -1530,6 +1532,19 @@ impl<'a> Parser<'a> { { self.parse_block_expr(label, lo, BlockCheckMode::Default) } else if !ate_colon + && (matches!(self.token.kind, token::CloseDelim(_) | token::Comma) + || self.token.is_op()) + { + let lit = self.recover_unclosed_char(label_.ident, |self_| { + self_.sess.create_err(UnexpectedTokenAfterLabel { + span: self_.token.span, + remove_label: None, + enclose_in_block: None, + }) + }); + consume_colon = false; + Ok(self.mk_expr(lo, ExprKind::Lit(lit))) + } else if !ate_colon && (self.check_noexpect(&TokenKind::Comma) || self.check_noexpect(&TokenKind::Gt)) { // We're probably inside of a `Path<'a>` that needs a turbofish @@ -1603,6 +1618,39 @@ impl<'a> Parser<'a> { Ok(expr) } + /// Emit an error when a char is parsed as a lifetime because of a missing quote + pub(super) fn recover_unclosed_char( + &mut self, + lifetime: Ident, + err: impl FnOnce(&mut Self) -> DiagnosticBuilder<'a, ErrorGuaranteed>, + ) -> ast::Lit { + if let Some(mut diag) = + self.sess.span_diagnostic.steal_diagnostic(lifetime.span, StashKey::LifetimeIsChar) + { + diag.span_suggestion_verbose( + lifetime.span.shrink_to_hi(), + "add `'` to close the char literal", + "'", + Applicability::MaybeIncorrect, + ) + .emit(); + } else { + err(self) + .span_suggestion_verbose( + lifetime.span.shrink_to_hi(), + "add `'` to close the char literal", + "'", + Applicability::MaybeIncorrect, + ) + .emit(); + } + ast::Lit { + token_lit: token::Lit::new(token::LitKind::Char, lifetime.name, None), + kind: ast::LitKind::Char(lifetime.name.as_str().chars().next().unwrap_or('_')), + span: lifetime.span, + } + } + /// Recover on the syntax `do catch { ... }` suggesting `try { ... }` instead. fn recover_do_catch(&mut self) -> PResult<'a, P<Expr>> { let lo = self.token.span; @@ -1728,7 +1776,7 @@ impl<'a> Parser<'a> { } pub(super) fn parse_lit(&mut self) -> PResult<'a, Lit> { - self.parse_opt_lit().ok_or_else(|| { + self.parse_opt_lit().ok_or(()).or_else(|()| { if let token::Interpolated(inner) = &self.token.kind { let expr = match inner.as_ref() { token::NtExpr(expr) => Some(expr), @@ -1740,12 +1788,22 @@ impl<'a> Parser<'a> { let mut err = InvalidInterpolatedExpression { span: self.token.span } .into_diagnostic(&self.sess.span_diagnostic); err.downgrade_to_delayed_bug(); - return err; + return Err(err); } } } - let msg = format!("unexpected token: {}", super::token_descr(&self.token)); - self.struct_span_err(self.token.span, &msg) + let token = self.token.clone(); + let err = |self_: &mut Self| { + let msg = format!("unexpected token: {}", super::token_descr(&token)); + self_.struct_span_err(token.span, &msg) + }; + // On an error path, eagerly consider a lifetime to be an unclosed character lit + if self.token.is_lifetime() { + let lt = self.expect_lifetime(); + Ok(self.recover_unclosed_char(lt.ident, err)) + } else { + Err(err(self)) + } }) } @@ -2051,6 +2109,10 @@ impl<'a> Parser<'a> { if self.token.kind == TokenKind::Semi && matches!(self.token_cursor.frame.delim_sp, Some((Delimiter::Parenthesis, _))) + // HACK: This is needed so we can detect whether we're inside a macro, + // where regular assumptions about what tokens can follow other tokens + // don't necessarily apply. + && self.subparser_name.is_none() { // It is likely that the closure body is a block but where the // braces have been removed. We will recover and eat the next @@ -3080,6 +3142,8 @@ impl<'a> Parser<'a> { && this.token.kind == token::Semi { TrailingToken::Semi + } else if this.token.kind == token::Gt { + TrailingToken::Gt } else { // FIXME - pass this through from the place where we know // we need a comma, rather than assuming that `#[attr] expr,` diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index b934e087608..89c24920f85 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -79,6 +79,7 @@ pub enum ForceCollect { pub enum TrailingToken { None, Semi, + Gt, /// If the trailing token is a comma, then capture it /// Otherwise, ignore the trailing token MaybeComma, diff --git a/compiler/rustc_parse/src/parser/pat.rs b/compiler/rustc_parse/src/parser/pat.rs index 56efec422d6..52c11b4e35f 100644 --- a/compiler/rustc_parse/src/parser/pat.rs +++ b/compiler/rustc_parse/src/parser/pat.rs @@ -402,6 +402,25 @@ impl<'a> Parser<'a> { } else { PatKind::Path(qself, path) } + } else if matches!(self.token.kind, token::Lifetime(_)) + // In pattern position, we're totally fine with using "next token isn't colon" + // as a heuristic. We could probably just always try to recover if it's a lifetime, + // because we never have `'a: label {}` in a pattern position anyways, but it does + // keep us from suggesting something like `let 'a: Ty = ..` => `let 'a': Ty = ..` + && !self.look_ahead(1, |token| matches!(token.kind, token::Colon)) + { + // Recover a `'a` as a `'a'` literal + let lt = self.expect_lifetime(); + let lit = self.recover_unclosed_char(lt.ident, |self_| { + let expected = expected.unwrap_or("pattern"); + let msg = + format!("expected {}, found {}", expected, super::token_descr(&self_.token)); + + let mut err = self_.struct_span_err(self_.token.span, &msg); + err.span_label(self_.token.span, format!("expected {}", expected)); + err + }); + PatKind::Lit(self.mk_expr(lo, ExprKind::Lit(lit))) } else { // Try to parse everything else as literal with optional minus match self.parse_literal_maybe_minus() { @@ -799,6 +818,7 @@ impl<'a> Parser<'a> { || t.kind == token::Dot // e.g. `.5` for recovery; || t.can_begin_literal_maybe_minus() // e.g. `42`. || t.is_whole_expr() + || t.is_lifetime() // recover `'a` instead of `'a'` }) } diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 3c684fffac8..b19e85427e7 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -822,8 +822,8 @@ impl CheckAttrVisitor<'_> { if let Some((prev_inline, prev_span)) = *specified_inline { if do_inline != prev_inline { let mut spans = MultiSpan::from_spans(vec![prev_span, meta.span()]); - spans.push_span_label(prev_span, fluent::passes::doc_inline_conflict_first); - spans.push_span_label(meta.span(), fluent::passes::doc_inline_conflict_second); + spans.push_span_label(prev_span, fluent::passes_doc_inline_conflict_first); + spans.push_span_label(meta.span(), fluent::passes_doc_inline_conflict_second); self.tcx.sess.emit_err(errors::DocKeywordConflict { spans }); return false; } @@ -873,7 +873,7 @@ impl CheckAttrVisitor<'_> { INVALID_DOC_ATTRIBUTES, hir_id, meta.span(), - fluent::passes::attr_crate_level, + fluent::passes_attr_crate_level, |err| { if attr.style == AttrStyle::Outer && self.tcx.hir().get_parent_item(hir_id) == CRATE_OWNER_ID @@ -882,15 +882,15 @@ impl CheckAttrVisitor<'_> { src.insert(1, '!'); err.span_suggestion_verbose( attr.span, - fluent::passes::suggestion, + fluent::suggestion, src, Applicability::MaybeIncorrect, ); } else { - err.span_help(attr.span, fluent::passes::help); + err.span_help(attr.span, fluent::help); } } - err.note(fluent::passes::note); + err.note(fluent::note); err }, ); diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index ed548341344..adaaf539242 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -13,37 +13,37 @@ use rustc_span::{Span, Symbol, DUMMY_SP}; use crate::lang_items::Duplicate; #[derive(LintDiagnostic)] -#[diag(passes::outer_crate_level_attr)] +#[diag(passes_outer_crate_level_attr)] pub struct OuterCrateLevelAttr; #[derive(LintDiagnostic)] -#[diag(passes::inner_crate_level_attr)] +#[diag(passes_inner_crate_level_attr)] pub struct InnerCrateLevelAttr; #[derive(LintDiagnostic)] -#[diag(passes::ignored_attr_with_macro)] +#[diag(passes_ignored_attr_with_macro)] pub struct IgnoredAttrWithMacro<'a> { pub sym: &'a str, } #[derive(LintDiagnostic)] -#[diag(passes::ignored_attr)] +#[diag(passes_ignored_attr)] pub struct IgnoredAttr<'a> { pub sym: &'a str, } #[derive(LintDiagnostic)] -#[diag(passes::inline_ignored_function_prototype)] +#[diag(passes_inline_ignored_function_prototype)] pub struct IgnoredInlineAttrFnProto; #[derive(LintDiagnostic)] -#[diag(passes::inline_ignored_constants)] +#[diag(passes_inline_ignored_constants)] #[warning] #[note] pub struct IgnoredInlineAttrConstants; #[derive(Diagnostic)] -#[diag(passes::inline_not_fn_or_closure, code = "E0518")] +#[diag(passes_inline_not_fn_or_closure, code = "E0518")] pub struct InlineNotFnOrClosure { #[primary_span] pub attr_span: Span, @@ -52,19 +52,19 @@ pub struct InlineNotFnOrClosure { } #[derive(LintDiagnostic)] -#[diag(passes::no_coverage_ignored_function_prototype)] +#[diag(passes_no_coverage_ignored_function_prototype)] pub struct IgnoredNoCoverageFnProto; #[derive(LintDiagnostic)] -#[diag(passes::no_coverage_propagate)] +#[diag(passes_no_coverage_propagate)] pub struct IgnoredNoCoveragePropagate; #[derive(LintDiagnostic)] -#[diag(passes::no_coverage_fn_defn)] +#[diag(passes_no_coverage_fn_defn)] pub struct IgnoredNoCoverageFnDefn; #[derive(Diagnostic)] -#[diag(passes::no_coverage_not_coverable, code = "E0788")] +#[diag(passes_no_coverage_not_coverable, code = "E0788")] pub struct IgnoredNoCoverageNotCoverable { #[primary_span] pub attr_span: Span, @@ -73,7 +73,7 @@ pub struct IgnoredNoCoverageNotCoverable { } #[derive(Diagnostic)] -#[diag(passes::should_be_applied_to_fn)] +#[diag(passes_should_be_applied_to_fn)] pub struct AttrShouldBeAppliedToFn { #[primary_span] pub attr_span: Span, @@ -82,14 +82,14 @@ pub struct AttrShouldBeAppliedToFn { } #[derive(Diagnostic)] -#[diag(passes::naked_tracked_caller, code = "E0736")] +#[diag(passes_naked_tracked_caller, code = "E0736")] pub struct NakedTrackedCaller { #[primary_span] pub attr_span: Span, } #[derive(Diagnostic)] -#[diag(passes::should_be_applied_to_fn, code = "E0739")] +#[diag(passes_should_be_applied_to_fn, code = "E0739")] pub struct TrackedCallerWrongLocation { #[primary_span] pub attr_span: Span, @@ -98,7 +98,7 @@ pub struct TrackedCallerWrongLocation { } #[derive(Diagnostic)] -#[diag(passes::should_be_applied_to_struct_enum, code = "E0701")] +#[diag(passes_should_be_applied_to_struct_enum, code = "E0701")] pub struct NonExhaustiveWrongLocation { #[primary_span] pub attr_span: Span, @@ -107,7 +107,7 @@ pub struct NonExhaustiveWrongLocation { } #[derive(Diagnostic)] -#[diag(passes::should_be_applied_to_trait)] +#[diag(passes_should_be_applied_to_trait)] pub struct AttrShouldBeAppliedToTrait { #[primary_span] pub attr_span: Span, @@ -116,11 +116,11 @@ pub struct AttrShouldBeAppliedToTrait { } #[derive(LintDiagnostic)] -#[diag(passes::target_feature_on_statement)] +#[diag(passes_target_feature_on_statement)] pub struct TargetFeatureOnStatement; #[derive(Diagnostic)] -#[diag(passes::should_be_applied_to_static)] +#[diag(passes_should_be_applied_to_static)] pub struct AttrShouldBeAppliedToStatic { #[primary_span] pub attr_span: Span, @@ -129,7 +129,7 @@ pub struct AttrShouldBeAppliedToStatic { } #[derive(Diagnostic)] -#[diag(passes::doc_expect_str)] +#[diag(passes_doc_expect_str)] pub struct DocExpectStr<'a> { #[primary_span] pub attr_span: Span, @@ -137,7 +137,7 @@ pub struct DocExpectStr<'a> { } #[derive(Diagnostic)] -#[diag(passes::doc_alias_empty)] +#[diag(passes_doc_alias_empty)] pub struct DocAliasEmpty<'a> { #[primary_span] pub span: Span, @@ -145,7 +145,7 @@ pub struct DocAliasEmpty<'a> { } #[derive(Diagnostic)] -#[diag(passes::doc_alias_bad_char)] +#[diag(passes_doc_alias_bad_char)] pub struct DocAliasBadChar<'a> { #[primary_span] pub span: Span, @@ -154,7 +154,7 @@ pub struct DocAliasBadChar<'a> { } #[derive(Diagnostic)] -#[diag(passes::doc_alias_start_end)] +#[diag(passes_doc_alias_start_end)] pub struct DocAliasStartEnd<'a> { #[primary_span] pub span: Span, @@ -162,7 +162,7 @@ pub struct DocAliasStartEnd<'a> { } #[derive(Diagnostic)] -#[diag(passes::doc_alias_bad_location)] +#[diag(passes_doc_alias_bad_location)] pub struct DocAliasBadLocation<'a> { #[primary_span] pub span: Span, @@ -171,7 +171,7 @@ pub struct DocAliasBadLocation<'a> { } #[derive(Diagnostic)] -#[diag(passes::doc_alias_not_an_alias)] +#[diag(passes_doc_alias_not_an_alias)] pub struct DocAliasNotAnAlias<'a> { #[primary_span] pub span: Span, @@ -179,42 +179,42 @@ pub struct DocAliasNotAnAlias<'a> { } #[derive(LintDiagnostic)] -#[diag(passes::doc_alias_duplicated)] +#[diag(passes_doc_alias_duplicated)] pub struct DocAliasDuplicated { #[label] pub first_defn: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_alias_not_string_literal)] +#[diag(passes_doc_alias_not_string_literal)] pub struct DocAliasNotStringLiteral { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_alias_malformed)] +#[diag(passes_doc_alias_malformed)] pub struct DocAliasMalformed { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_keyword_empty_mod)] +#[diag(passes_doc_keyword_empty_mod)] pub struct DocKeywordEmptyMod { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_keyword_not_mod)] +#[diag(passes_doc_keyword_not_mod)] pub struct DocKeywordNotMod { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_keyword_invalid_ident)] +#[diag(passes_doc_keyword_invalid_ident)] pub struct DocKeywordInvalidIdent { #[primary_span] pub span: Span, @@ -222,21 +222,21 @@ pub struct DocKeywordInvalidIdent { } #[derive(Diagnostic)] -#[diag(passes::doc_fake_variadic_not_valid)] +#[diag(passes_doc_fake_variadic_not_valid)] pub struct DocFakeVariadicNotValid { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_keyword_only_impl)] +#[diag(passes_doc_keyword_only_impl)] pub struct DocKeywordOnlyImpl { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::doc_inline_conflict)] +#[diag(passes_doc_inline_conflict)] #[help] pub struct DocKeywordConflict { #[primary_span] @@ -244,17 +244,17 @@ pub struct DocKeywordConflict { } #[derive(LintDiagnostic)] -#[diag(passes::doc_inline_only_use)] +#[diag(passes_doc_inline_only_use)] #[note] pub struct DocInlineOnlyUse { #[label] pub attr_span: Span, - #[label(passes::not_a_use_item_label)] + #[label(not_a_use_item_label)] pub item_span: Option<Span>, } #[derive(Diagnostic)] -#[diag(passes::doc_attr_not_crate_level)] +#[diag(passes_doc_attr_not_crate_level)] pub struct DocAttrNotCrateLevel<'a> { #[primary_span] pub span: Span, @@ -262,33 +262,33 @@ pub struct DocAttrNotCrateLevel<'a> { } #[derive(LintDiagnostic)] -#[diag(passes::doc_test_unknown)] +#[diag(passes_doc_test_unknown)] pub struct DocTestUnknown { pub path: String, } #[derive(LintDiagnostic)] -#[diag(passes::doc_test_takes_list)] +#[diag(passes_doc_test_takes_list)] pub struct DocTestTakesList; #[derive(LintDiagnostic)] -#[diag(passes::doc_cfg_hide_takes_list)] +#[diag(passes_doc_cfg_hide_takes_list)] pub struct DocCfgHideTakesList; #[derive(LintDiagnostic)] -#[diag(passes::doc_primitive)] +#[diag(passes_doc_primitive)] pub struct DocPrimitive; #[derive(LintDiagnostic)] -#[diag(passes::doc_test_unknown_any)] +#[diag(passes_doc_test_unknown_any)] pub struct DocTestUnknownAny { pub path: String, } #[derive(LintDiagnostic)] -#[diag(passes::doc_test_unknown_spotlight)] +#[diag(passes_doc_test_unknown_spotlight)] #[note] -#[note(passes::no_op_note)] +#[note(no_op_note)] pub struct DocTestUnknownSpotlight { pub path: String, #[suggestion_short(applicability = "machine-applicable", code = "notable_trait")] @@ -296,7 +296,7 @@ pub struct DocTestUnknownSpotlight { } #[derive(LintDiagnostic)] -#[diag(passes::doc_test_unknown_include)] +#[diag(passes_doc_test_unknown_include)] pub struct DocTestUnknownInclude { pub path: String, pub value: String, @@ -306,11 +306,11 @@ pub struct DocTestUnknownInclude { } #[derive(LintDiagnostic)] -#[diag(passes::doc_invalid)] +#[diag(passes_doc_invalid)] pub struct DocInvalid; #[derive(Diagnostic)] -#[diag(passes::pass_by_value)] +#[diag(passes_pass_by_value)] pub struct PassByValue { #[primary_span] pub attr_span: Span, @@ -319,7 +319,7 @@ pub struct PassByValue { } #[derive(Diagnostic)] -#[diag(passes::allow_incoherent_impl)] +#[diag(passes_allow_incoherent_impl)] pub struct AllowIncoherentImpl { #[primary_span] pub attr_span: Span, @@ -328,7 +328,7 @@ pub struct AllowIncoherentImpl { } #[derive(Diagnostic)] -#[diag(passes::has_incoherent_inherent_impl)] +#[diag(passes_has_incoherent_inherent_impl)] pub struct HasIncoherentInherentImpl { #[primary_span] pub attr_span: Span, @@ -337,21 +337,21 @@ pub struct HasIncoherentInherentImpl { } #[derive(LintDiagnostic)] -#[diag(passes::must_use_async)] +#[diag(passes_must_use_async)] pub struct MustUseAsync { #[label] pub span: Span, } #[derive(LintDiagnostic)] -#[diag(passes::must_use_no_effect)] +#[diag(passes_must_use_no_effect)] pub struct MustUseNoEffect { pub article: &'static str, pub target: rustc_hir::Target, } #[derive(Diagnostic)] -#[diag(passes::must_not_suspend)] +#[diag(passes_must_not_suspend)] pub struct MustNotSuspend { #[primary_span] pub attr_span: Span, @@ -360,7 +360,7 @@ pub struct MustNotSuspend { } #[derive(LintDiagnostic)] -#[diag(passes::cold)] +#[diag(passes_cold)] #[warning] pub struct Cold { #[label] @@ -368,7 +368,7 @@ pub struct Cold { } #[derive(LintDiagnostic)] -#[diag(passes::link)] +#[diag(passes_link)] #[warning] pub struct Link { #[label] @@ -376,7 +376,7 @@ pub struct Link { } #[derive(LintDiagnostic)] -#[diag(passes::link_name)] +#[diag(passes_link_name)] #[warning] pub struct LinkName<'a> { #[help] @@ -387,7 +387,7 @@ pub struct LinkName<'a> { } #[derive(Diagnostic)] -#[diag(passes::no_link)] +#[diag(passes_no_link)] pub struct NoLink { #[primary_span] pub attr_span: Span, @@ -396,7 +396,7 @@ pub struct NoLink { } #[derive(Diagnostic)] -#[diag(passes::export_name)] +#[diag(passes_export_name)] pub struct ExportName { #[primary_span] pub attr_span: Span, @@ -405,7 +405,7 @@ pub struct ExportName { } #[derive(Diagnostic)] -#[diag(passes::rustc_layout_scalar_valid_range_not_struct)] +#[diag(passes_rustc_layout_scalar_valid_range_not_struct)] pub struct RustcLayoutScalarValidRangeNotStruct { #[primary_span] pub attr_span: Span, @@ -414,14 +414,14 @@ pub struct RustcLayoutScalarValidRangeNotStruct { } #[derive(Diagnostic)] -#[diag(passes::rustc_layout_scalar_valid_range_arg)] +#[diag(passes_rustc_layout_scalar_valid_range_arg)] pub struct RustcLayoutScalarValidRangeArg { #[primary_span] pub attr_span: Span, } #[derive(Diagnostic)] -#[diag(passes::rustc_legacy_const_generics_only)] +#[diag(passes_rustc_legacy_const_generics_only)] pub struct RustcLegacyConstGenericsOnly { #[primary_span] pub attr_span: Span, @@ -430,7 +430,7 @@ pub struct RustcLegacyConstGenericsOnly { } #[derive(Diagnostic)] -#[diag(passes::rustc_legacy_const_generics_index)] +#[diag(passes_rustc_legacy_const_generics_index)] pub struct RustcLegacyConstGenericsIndex { #[primary_span] pub attr_span: Span, @@ -439,7 +439,7 @@ pub struct RustcLegacyConstGenericsIndex { } #[derive(Diagnostic)] -#[diag(passes::rustc_legacy_const_generics_index_exceed)] +#[diag(passes_rustc_legacy_const_generics_index_exceed)] pub struct RustcLegacyConstGenericsIndexExceed { #[primary_span] #[label] @@ -448,21 +448,21 @@ pub struct RustcLegacyConstGenericsIndexExceed { } #[derive(Diagnostic)] -#[diag(passes::rustc_legacy_const_generics_index_negative)] +#[diag(passes_rustc_legacy_const_generics_index_negative)] pub struct RustcLegacyConstGenericsIndexNegative { #[primary_span] pub invalid_args: Vec<Span>, } #[derive(Diagnostic)] -#[diag(passes::rustc_dirty_clean)] +#[diag(passes_rustc_dirty_clean)] pub struct RustcDirtyClean { #[primary_span] pub span: Span, } #[derive(LintDiagnostic)] -#[diag(passes::link_section)] +#[diag(passes_link_section)] #[warning] pub struct LinkSection { #[label] @@ -470,7 +470,7 @@ pub struct LinkSection { } #[derive(LintDiagnostic)] -#[diag(passes::no_mangle_foreign)] +#[diag(passes_no_mangle_foreign)] #[warning] #[note] pub struct NoMangleForeign { @@ -482,7 +482,7 @@ pub struct NoMangleForeign { } #[derive(LintDiagnostic)] -#[diag(passes::no_mangle)] +#[diag(passes_no_mangle)] #[warning] pub struct NoMangle { #[label] @@ -490,32 +490,32 @@ pub struct NoMangle { } #[derive(Diagnostic)] -#[diag(passes::repr_ident, code = "E0565")] +#[diag(passes_repr_ident, code = "E0565")] pub struct ReprIdent { #[primary_span] pub span: Span, } #[derive(LintDiagnostic)] -#[diag(passes::repr_conflicting, code = "E0566")] +#[diag(passes_repr_conflicting, code = "E0566")] pub struct ReprConflicting; #[derive(Diagnostic)] -#[diag(passes::used_static)] +#[diag(passes_used_static)] pub struct UsedStatic { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::used_compiler_linker)] +#[diag(passes_used_compiler_linker)] pub struct UsedCompilerLinker { #[primary_span] pub spans: Vec<Span>, } #[derive(Diagnostic)] -#[diag(passes::allow_internal_unstable)] +#[diag(passes_allow_internal_unstable)] pub struct AllowInternalUnstable { #[primary_span] pub attr_span: Span, @@ -524,24 +524,24 @@ pub struct AllowInternalUnstable { } #[derive(Diagnostic)] -#[diag(passes::debug_visualizer_placement)] +#[diag(passes_debug_visualizer_placement)] pub struct DebugVisualizerPlacement { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::debug_visualizer_invalid)] -#[note(passes::note_1)] -#[note(passes::note_2)] -#[note(passes::note_3)] +#[diag(passes_debug_visualizer_invalid)] +#[note(note_1)] +#[note(note_2)] +#[note(note_3)] pub struct DebugVisualizerInvalid { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::debug_visualizer_unreadable)] +#[diag(passes_debug_visualizer_unreadable)] pub struct DebugVisualizerUnreadable<'a> { #[primary_span] pub span: Span, @@ -550,7 +550,7 @@ pub struct DebugVisualizerUnreadable<'a> { } #[derive(Diagnostic)] -#[diag(passes::rustc_allow_const_fn_unstable)] +#[diag(passes_rustc_allow_const_fn_unstable)] pub struct RustcAllowConstFnUnstable { #[primary_span] pub attr_span: Span, @@ -559,7 +559,7 @@ pub struct RustcAllowConstFnUnstable { } #[derive(Diagnostic)] -#[diag(passes::rustc_std_internal_symbol)] +#[diag(passes_rustc_std_internal_symbol)] pub struct RustcStdInternalSymbol { #[primary_span] pub attr_span: Span, @@ -568,56 +568,56 @@ pub struct RustcStdInternalSymbol { } #[derive(Diagnostic)] -#[diag(passes::const_trait)] +#[diag(passes_const_trait)] pub struct ConstTrait { #[primary_span] pub attr_span: Span, } #[derive(Diagnostic)] -#[diag(passes::link_ordinal)] +#[diag(passes_link_ordinal)] pub struct LinkOrdinal { #[primary_span] pub attr_span: Span, } #[derive(Diagnostic)] -#[diag(passes::stability_promotable)] +#[diag(passes_stability_promotable)] pub struct StabilityPromotable { #[primary_span] pub attr_span: Span, } #[derive(LintDiagnostic)] -#[diag(passes::deprecated)] +#[diag(passes_deprecated)] pub struct Deprecated; #[derive(LintDiagnostic)] -#[diag(passes::macro_use)] +#[diag(passes_macro_use)] pub struct MacroUse { pub name: Symbol, } #[derive(LintDiagnostic)] -#[diag(passes::macro_export)] +#[diag(passes_macro_export)] pub struct MacroExport; #[derive(LintDiagnostic)] -#[diag(passes::plugin_registrar)] +#[diag(passes_plugin_registrar)] pub struct PluginRegistrar; #[derive(Subdiagnostic)] pub enum UnusedNote { - #[note(passes::unused_empty_lints_note)] + #[note(passes_unused_empty_lints_note)] EmptyList { name: Symbol }, - #[note(passes::unused_no_lints_note)] + #[note(passes_unused_no_lints_note)] NoLints { name: Symbol }, - #[note(passes::unused_default_method_body_const_note)] + #[note(passes_unused_default_method_body_const_note)] DefaultMethodBodyConst, } #[derive(LintDiagnostic)] -#[diag(passes::unused)] +#[diag(passes_unused)] pub struct Unused { #[suggestion(code = "", applicability = "machine-applicable")] pub attr_span: Span, @@ -626,7 +626,7 @@ pub struct Unused { } #[derive(Diagnostic)] -#[diag(passes::non_exported_macro_invalid_attrs, code = "E0518")] +#[diag(passes_non_exported_macro_invalid_attrs, code = "E0518")] pub struct NonExportedMacroInvalidAttrs { #[primary_span] #[label] @@ -634,7 +634,7 @@ pub struct NonExportedMacroInvalidAttrs { } #[derive(LintDiagnostic)] -#[diag(passes::unused_duplicate)] +#[diag(passes_unused_duplicate)] pub struct UnusedDuplicate { #[suggestion(code = "", applicability = "machine-applicable")] pub this: Span, @@ -645,7 +645,7 @@ pub struct UnusedDuplicate { } #[derive(Diagnostic)] -#[diag(passes::unused_multiple)] +#[diag(passes_unused_multiple)] pub struct UnusedMultiple { #[primary_span] #[suggestion(code = "", applicability = "machine-applicable")] @@ -656,7 +656,7 @@ pub struct UnusedMultiple { } #[derive(Diagnostic)] -#[diag(passes::rustc_lint_opt_ty)] +#[diag(passes_rustc_lint_opt_ty)] pub struct RustcLintOptTy { #[primary_span] pub attr_span: Span, @@ -665,7 +665,7 @@ pub struct RustcLintOptTy { } #[derive(Diagnostic)] -#[diag(passes::rustc_lint_opt_deny_field_access)] +#[diag(passes_rustc_lint_opt_deny_field_access)] pub struct RustcLintOptDenyFieldAccess { #[primary_span] pub attr_span: Span, @@ -674,7 +674,7 @@ pub struct RustcLintOptDenyFieldAccess { } #[derive(Diagnostic)] -#[diag(passes::collapse_debuginfo)] +#[diag(passes_collapse_debuginfo)] pub struct CollapseDebuginfo { #[primary_span] pub attr_span: Span, @@ -683,14 +683,14 @@ pub struct CollapseDebuginfo { } #[derive(LintDiagnostic)] -#[diag(passes::deprecated_annotation_has_no_effect)] +#[diag(passes_deprecated_annotation_has_no_effect)] pub struct DeprecatedAnnotationHasNoEffect { #[suggestion(applicability = "machine-applicable", code = "")] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::unknown_external_lang_item, code = "E0264")] +#[diag(passes_unknown_external_lang_item, code = "E0264")] pub struct UnknownExternLangItem { #[primary_span] pub span: Span, @@ -698,19 +698,19 @@ pub struct UnknownExternLangItem { } #[derive(Diagnostic)] -#[diag(passes::missing_panic_handler)] +#[diag(passes_missing_panic_handler)] pub struct MissingPanicHandler; #[derive(Diagnostic)] -#[diag(passes::alloc_func_required)] +#[diag(passes_alloc_func_required)] pub struct AllocFuncRequired; #[derive(Diagnostic)] -#[diag(passes::missing_alloc_error_handler)] +#[diag(passes_missing_alloc_error_handler)] pub struct MissingAllocErrorHandler; #[derive(Diagnostic)] -#[diag(passes::missing_lang_item)] +#[diag(passes_missing_lang_item)] #[note] #[help] pub struct MissingLangItem { @@ -718,7 +718,7 @@ pub struct MissingLangItem { } #[derive(Diagnostic)] -#[diag(passes::lang_item_on_incorrect_target, code = "E0718")] +#[diag(passes_lang_item_on_incorrect_target, code = "E0718")] pub struct LangItemOnIncorrectTarget { #[primary_span] #[label] @@ -729,7 +729,7 @@ pub struct LangItemOnIncorrectTarget { } #[derive(Diagnostic)] -#[diag(passes::unknown_lang_item, code = "E0522")] +#[diag(passes_unknown_lang_item, code = "E0522")] pub struct UnknownLangItem { #[primary_span] #[label] @@ -748,8 +748,7 @@ impl IntoDiagnostic<'_> for InvalidAttrAtCrateLevel { self, handler: &'_ rustc_errors::Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = - handler.struct_err(rustc_errors::fluent::passes::invalid_attr_at_crate_level); + let mut diag = handler.struct_err(rustc_errors::fluent::passes_invalid_attr_at_crate_level); diag.set_span(self.span); diag.set_arg("name", self.name); // Only emit an error with a suggestion if we can create a string out @@ -758,7 +757,7 @@ impl IntoDiagnostic<'_> for InvalidAttrAtCrateLevel { let replacement = src.replace("#!", "#"); diag.span_suggestion_verbose( self.span, - rustc_errors::fluent::passes::suggestion, + rustc_errors::fluent::suggestion, replacement, rustc_errors::Applicability::MachineApplicable, ); @@ -768,7 +767,7 @@ impl IntoDiagnostic<'_> for InvalidAttrAtCrateLevel { } #[derive(Diagnostic)] -#[diag(passes::duplicate_diagnostic_item)] +#[diag(passes_duplicate_diagnostic_item)] pub struct DuplicateDiagnosticItem { #[primary_span] pub span: Span, @@ -776,9 +775,9 @@ pub struct DuplicateDiagnosticItem { } #[derive(Diagnostic)] -#[diag(passes::duplicate_diagnostic_item_in_crate)] +#[diag(passes_duplicate_diagnostic_item_in_crate)] pub struct DuplicateDiagnosticItemInCrate { - #[note(passes::diagnostic_item_first_defined)] + #[note(passes_diagnostic_item_first_defined)] pub span: Option<Span>, pub orig_crate_name: Symbol, #[note] @@ -788,7 +787,7 @@ pub struct DuplicateDiagnosticItemInCrate { } #[derive(Diagnostic)] -#[diag(passes::abi)] +#[diag(passes_abi)] pub struct Abi { #[primary_span] pub span: Span, @@ -796,7 +795,7 @@ pub struct Abi { } #[derive(Diagnostic)] -#[diag(passes::align)] +#[diag(passes_align)] pub struct Align { #[primary_span] pub span: Span, @@ -804,7 +803,7 @@ pub struct Align { } #[derive(Diagnostic)] -#[diag(passes::size)] +#[diag(passes_size)] pub struct Size { #[primary_span] pub span: Span, @@ -812,7 +811,7 @@ pub struct Size { } #[derive(Diagnostic)] -#[diag(passes::homogeneous_aggregate)] +#[diag(passes_homogeneous_aggregate)] pub struct HomogeneousAggregate { #[primary_span] pub span: Span, @@ -820,7 +819,7 @@ pub struct HomogeneousAggregate { } #[derive(Diagnostic)] -#[diag(passes::layout_of)] +#[diag(passes_layout_of)] pub struct LayoutOf { #[primary_span] pub span: Span, @@ -829,7 +828,7 @@ pub struct LayoutOf { } #[derive(Diagnostic)] -#[diag(passes::unrecognized_field)] +#[diag(passes_unrecognized_field)] pub struct UnrecognizedField { #[primary_span] pub span: Span, @@ -837,7 +836,7 @@ pub struct UnrecognizedField { } #[derive(Diagnostic)] -#[diag(passes::feature_stable_twice, code = "E0711")] +#[diag(passes_feature_stable_twice, code = "E0711")] pub struct FeatureStableTwice { #[primary_span] pub span: Span, @@ -847,7 +846,7 @@ pub struct FeatureStableTwice { } #[derive(Diagnostic)] -#[diag(passes::feature_previously_declared, code = "E0711")] +#[diag(passes_feature_previously_declared, code = "E0711")] pub struct FeaturePreviouslyDeclared<'a, 'b> { #[primary_span] pub span: Span, @@ -857,7 +856,7 @@ pub struct FeaturePreviouslyDeclared<'a, 'b> { } #[derive(Diagnostic)] -#[diag(passes::expr_not_allowed_in_context, code = "E0744")] +#[diag(passes_expr_not_allowed_in_context, code = "E0744")] pub struct ExprNotAllowedInContext<'a> { #[primary_span] pub span: Span, @@ -883,17 +882,17 @@ impl<'a> IntoDiagnostic<'_> for BreakNonLoop<'a> { ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::passes::break_non_loop, + rustc_errors::fluent::passes_break_non_loop, error_code!(E0571), ); diag.set_arg("kind", self.kind); - diag.span_label(self.span, rustc_errors::fluent::passes::label); + diag.span_label(self.span, rustc_errors::fluent::label); if let Some(head) = self.head { - diag.span_label(head, rustc_errors::fluent::passes::label2); + diag.span_label(head, rustc_errors::fluent::label2); } diag.span_suggestion( self.span, - rustc_errors::fluent::passes::suggestion, + rustc_errors::fluent::suggestion, self.suggestion, Applicability::MaybeIncorrect, ); @@ -911,7 +910,7 @@ impl<'a> IntoDiagnostic<'_> for BreakNonLoop<'a> { _ => { diag.span_suggestion( self.break_expr_span, - rustc_errors::fluent::passes::break_expr_suggestion, + rustc_errors::fluent::break_expr_suggestion, label.ident, Applicability::MaybeIncorrect, ); @@ -923,39 +922,39 @@ impl<'a> IntoDiagnostic<'_> for BreakNonLoop<'a> { } #[derive(Diagnostic)] -#[diag(passes::continue_labeled_block, code = "E0696")] +#[diag(passes_continue_labeled_block, code = "E0696")] pub struct ContinueLabeledBlock { #[primary_span] #[label] pub span: Span, - #[label(passes::block_label)] + #[label(block_label)] pub block_span: Span, } #[derive(Diagnostic)] -#[diag(passes::break_inside_closure, code = "E0267")] +#[diag(passes_break_inside_closure, code = "E0267")] pub struct BreakInsideClosure<'a> { #[primary_span] #[label] pub span: Span, - #[label(passes::closure_label)] + #[label(closure_label)] pub closure_span: Span, pub name: &'a str, } #[derive(Diagnostic)] -#[diag(passes::break_inside_async_block, code = "E0267")] +#[diag(passes_break_inside_async_block, code = "E0267")] pub struct BreakInsideAsyncBlock<'a> { #[primary_span] #[label] pub span: Span, - #[label(passes::async_block_label)] + #[label(async_block_label)] pub closure_span: Span, pub name: &'a str, } #[derive(Diagnostic)] -#[diag(passes::outside_loop, code = "E0268")] +#[diag(passes_outside_loop, code = "E0268")] pub struct OutsideLoop<'a> { #[primary_span] #[label] @@ -964,7 +963,7 @@ pub struct OutsideLoop<'a> { } #[derive(Diagnostic)] -#[diag(passes::unlabeled_in_labeled_block, code = "E0695")] +#[diag(passes_unlabeled_in_labeled_block, code = "E0695")] pub struct UnlabeledInLabeledBlock<'a> { #[primary_span] #[label] @@ -973,7 +972,7 @@ pub struct UnlabeledInLabeledBlock<'a> { } #[derive(Diagnostic)] -#[diag(passes::unlabeled_cf_in_while_condition, code = "E0590")] +#[diag(passes_unlabeled_cf_in_while_condition, code = "E0590")] pub struct UnlabeledCfInWhileCondition<'a> { #[primary_span] #[label] @@ -982,25 +981,25 @@ pub struct UnlabeledCfInWhileCondition<'a> { } #[derive(Diagnostic)] -#[diag(passes::cannot_inline_naked_function)] +#[diag(passes_cannot_inline_naked_function)] pub struct CannotInlineNakedFunction { #[primary_span] pub span: Span, } #[derive(LintDiagnostic)] -#[diag(passes::undefined_naked_function_abi)] +#[diag(passes_undefined_naked_function_abi)] pub struct UndefinedNakedFunctionAbi; #[derive(Diagnostic)] -#[diag(passes::no_patterns)] +#[diag(passes_no_patterns)] pub struct NoPatterns { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::params_not_allowed)] +#[diag(passes_params_not_allowed)] #[help] pub struct ParamsNotAllowed { #[primary_span] @@ -1020,28 +1019,28 @@ impl IntoDiagnostic<'_> for NakedFunctionsAsmBlock { ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( self.span, - rustc_errors::fluent::passes::naked_functions_asm_block, + rustc_errors::fluent::passes_naked_functions_asm_block, error_code!(E0787), ); for span in self.multiple_asms.iter() { - diag.span_label(*span, rustc_errors::fluent::passes::label_multiple_asm); + diag.span_label(*span, rustc_errors::fluent::label_multiple_asm); } for span in self.non_asms.iter() { - diag.span_label(*span, rustc_errors::fluent::passes::label_non_asm); + diag.span_label(*span, rustc_errors::fluent::label_non_asm); } diag } } #[derive(Diagnostic)] -#[diag(passes::naked_functions_operands, code = "E0787")] +#[diag(passes_naked_functions_operands, code = "E0787")] pub struct NakedFunctionsOperands { #[primary_span] pub unsupported_operands: Vec<Span>, } #[derive(Diagnostic)] -#[diag(passes::naked_functions_asm_options, code = "E0787")] +#[diag(passes_naked_functions_asm_options, code = "E0787")] pub struct NakedFunctionsAsmOptions { #[primary_span] pub span: Span, @@ -1049,7 +1048,7 @@ pub struct NakedFunctionsAsmOptions { } #[derive(Diagnostic)] -#[diag(passes::naked_functions_must_use_noreturn, code = "E0787")] +#[diag(passes_naked_functions_must_use_noreturn, code = "E0787")] pub struct NakedFunctionsMustUseNoreturn { #[primary_span] pub span: Span, @@ -1058,7 +1057,7 @@ pub struct NakedFunctionsMustUseNoreturn { } #[derive(Diagnostic)] -#[diag(passes::attr_only_on_main)] +#[diag(passes_attr_only_on_main)] pub struct AttrOnlyOnMain { #[primary_span] pub span: Span, @@ -1066,7 +1065,7 @@ pub struct AttrOnlyOnMain { } #[derive(Diagnostic)] -#[diag(passes::attr_only_on_root_main)] +#[diag(passes_attr_only_on_root_main)] pub struct AttrOnlyOnRootMain { #[primary_span] pub span: Span, @@ -1074,7 +1073,7 @@ pub struct AttrOnlyOnRootMain { } #[derive(Diagnostic)] -#[diag(passes::attr_only_in_functions)] +#[diag(passes_attr_only_in_functions)] pub struct AttrOnlyInFunctions { #[primary_span] pub span: Span, @@ -1082,43 +1081,43 @@ pub struct AttrOnlyInFunctions { } #[derive(Diagnostic)] -#[diag(passes::multiple_rustc_main, code = "E0137")] +#[diag(passes_multiple_rustc_main, code = "E0137")] pub struct MultipleRustcMain { #[primary_span] pub span: Span, - #[label(passes::first)] + #[label(first)] pub first: Span, - #[label(passes::additional)] + #[label(additional)] pub additional: Span, } #[derive(Diagnostic)] -#[diag(passes::multiple_start_functions, code = "E0138")] +#[diag(passes_multiple_start_functions, code = "E0138")] pub struct MultipleStartFunctions { #[primary_span] pub span: Span, #[label] pub labeled: Span, - #[label(passes::previous)] + #[label(previous)] pub previous: Span, } #[derive(Diagnostic)] -#[diag(passes::extern_main)] +#[diag(passes_extern_main)] pub struct ExternMain { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::unix_sigpipe_values)] +#[diag(passes_unix_sigpipe_values)] pub struct UnixSigpipeValues { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::no_main_function, code = "E0601")] +#[diag(passes_no_main_function, code = "E0601")] pub struct NoMainFunction { #[primary_span] pub span: Span, @@ -1143,7 +1142,7 @@ impl<'a> IntoDiagnostic<'a> for NoMainErr { ) -> rustc_errors::DiagnosticBuilder<'a, ErrorGuaranteed> { let mut diag = handler.struct_span_err_with_code( DUMMY_SP, - rustc_errors::fluent::passes::no_main_function, + rustc_errors::fluent::passes_no_main_function, error_code!(E0601), ); diag.set_arg("crate_name", self.crate_name); @@ -1151,16 +1150,16 @@ impl<'a> IntoDiagnostic<'a> for NoMainErr { diag.set_arg("has_filename", self.has_filename); let note = if !self.non_main_fns.is_empty() { for &span in &self.non_main_fns { - diag.span_note(span, rustc_errors::fluent::passes::here_is_main); + diag.span_note(span, rustc_errors::fluent::here_is_main); } - diag.note(rustc_errors::fluent::passes::one_or_more_possible_main); - diag.help(rustc_errors::fluent::passes::consider_moving_main); + diag.note(rustc_errors::fluent::one_or_more_possible_main); + diag.help(rustc_errors::fluent::consider_moving_main); // There were some functions named `main` though. Try to give the user a hint. - rustc_errors::fluent::passes::main_must_be_defined_at_crate + rustc_errors::fluent::main_must_be_defined_at_crate } else if self.has_filename { - rustc_errors::fluent::passes::consider_adding_main_to_file + rustc_errors::fluent::consider_adding_main_to_file } else { - rustc_errors::fluent::passes::consider_adding_main_at_crate + rustc_errors::fluent::consider_adding_main_at_crate }; if self.file_empty { diag.note(note); @@ -1171,11 +1170,11 @@ impl<'a> IntoDiagnostic<'a> for NoMainErr { if let Some(main_def) = self.main_def_opt && main_def.opt_fn_def_id().is_none(){ // There is something at `crate::main`, but it is not a function definition. - diag.span_label(main_def.span, rustc_errors::fluent::passes::non_function_main); + diag.span_label(main_def.span, rustc_errors::fluent::non_function_main); } if self.add_teach_note { - diag.note(rustc_errors::fluent::passes::teach_note); + diag.note(rustc_errors::fluent::teach_note); } diag } @@ -1203,11 +1202,11 @@ impl IntoDiagnostic<'_> for DuplicateLangItem { ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { let mut diag = handler.struct_err_with_code( match self.duplicate { - Duplicate::Plain => rustc_errors::fluent::passes::duplicate_lang_item, + Duplicate::Plain => rustc_errors::fluent::passes_duplicate_lang_item, - Duplicate::Crate => rustc_errors::fluent::passes::duplicate_lang_item_crate, + Duplicate::Crate => rustc_errors::fluent::passes_duplicate_lang_item_crate, Duplicate::CrateDepends => { - rustc_errors::fluent::passes::duplicate_lang_item_crate_depends + rustc_errors::fluent::passes_duplicate_lang_item_crate_depends } }, error_code!(E0152), @@ -1223,24 +1222,24 @@ impl IntoDiagnostic<'_> for DuplicateLangItem { diag.set_span(span); } if let Some(span) = self.first_defined_span { - diag.span_note(span, rustc_errors::fluent::passes::first_defined_span); + diag.span_note(span, rustc_errors::fluent::first_defined_span); } else { if self.orig_dependency_of.is_empty() { - diag.note(rustc_errors::fluent::passes::first_defined_crate); + diag.note(rustc_errors::fluent::first_defined_crate); } else { - diag.note(rustc_errors::fluent::passes::first_defined_crate_depends); + diag.note(rustc_errors::fluent::first_defined_crate_depends); } if self.orig_is_local { - diag.note(rustc_errors::fluent::passes::first_definition_local); + diag.note(rustc_errors::fluent::first_definition_local); } else { - diag.note(rustc_errors::fluent::passes::first_definition_path); + diag.note(rustc_errors::fluent::first_definition_path); } if self.is_local { - diag.note(rustc_errors::fluent::passes::second_definition_local); + diag.note(rustc_errors::fluent::second_definition_local); } else { - diag.note(rustc_errors::fluent::passes::second_definition_path); + diag.note(rustc_errors::fluent::second_definition_path); } } diag @@ -1248,7 +1247,7 @@ impl IntoDiagnostic<'_> for DuplicateLangItem { } #[derive(Diagnostic)] -#[diag(passes::incorrect_target, code = "E0718")] +#[diag(passes_incorrect_target, code = "E0718")] pub struct IncorrectTarget<'a> { #[primary_span] pub span: Span, @@ -1262,21 +1261,21 @@ pub struct IncorrectTarget<'a> { } #[derive(LintDiagnostic)] -#[diag(passes::useless_assignment)] +#[diag(passes_useless_assignment)] pub struct UselessAssignment<'a> { pub is_field_assign: bool, pub ty: Ty<'a>, } #[derive(LintDiagnostic)] -#[diag(passes::only_has_effect_on)] +#[diag(passes_only_has_effect_on)] pub struct OnlyHasEffectOn { pub attr_name: Symbol, pub target_name: String, } #[derive(Diagnostic)] -#[diag(passes::object_lifetime_err)] +#[diag(passes_object_lifetime_err)] pub struct ObjectLifetimeErr { #[primary_span] pub span: Span, @@ -1284,7 +1283,7 @@ pub struct ObjectLifetimeErr { } #[derive(Diagnostic)] -#[diag(passes::unrecognized_repr_hint, code = "E0552")] +#[diag(passes_unrecognized_repr_hint, code = "E0552")] #[help] pub struct UnrecognizedReprHint { #[primary_span] @@ -1293,35 +1292,35 @@ pub struct UnrecognizedReprHint { #[derive(Diagnostic)] pub enum AttrApplication { - #[diag(passes::attr_application_enum, code = "E0517")] + #[diag(passes_attr_application_enum, code = "E0517")] Enum { #[primary_span] hint_span: Span, #[label] span: Span, }, - #[diag(passes::attr_application_struct, code = "E0517")] + #[diag(passes_attr_application_struct, code = "E0517")] Struct { #[primary_span] hint_span: Span, #[label] span: Span, }, - #[diag(passes::attr_application_struct_union, code = "E0517")] + #[diag(passes_attr_application_struct_union, code = "E0517")] StructUnion { #[primary_span] hint_span: Span, #[label] span: Span, }, - #[diag(passes::attr_application_struct_enum_union, code = "E0517")] + #[diag(passes_attr_application_struct_enum_union, code = "E0517")] StructEnumUnion { #[primary_span] hint_span: Span, #[label] span: Span, }, - #[diag(passes::attr_application_struct_enum_function_union, code = "E0517")] + #[diag(passes_attr_application_struct_enum_function_union, code = "E0517")] StructEnumFunctionUnion { #[primary_span] hint_span: Span, @@ -1331,7 +1330,7 @@ pub enum AttrApplication { } #[derive(Diagnostic)] -#[diag(passes::transparent_incompatible, code = "E0692")] +#[diag(passes_transparent_incompatible, code = "E0692")] pub struct TransparentIncompatible { #[primary_span] pub hint_spans: Vec<Span>, @@ -1339,54 +1338,54 @@ pub struct TransparentIncompatible { } #[derive(Diagnostic)] -#[diag(passes::deprecated_attribute, code = "E0549")] +#[diag(passes_deprecated_attribute, code = "E0549")] pub struct DeprecatedAttribute { #[primary_span] pub span: Span, } #[derive(Diagnostic)] -#[diag(passes::useless_stability)] +#[diag(passes_useless_stability)] pub struct UselessStability { #[primary_span] #[label] pub span: Span, - #[label(passes::item)] + #[label(item)] pub item_sp: Span, } #[derive(Diagnostic)] -#[diag(passes::invalid_stability)] +#[diag(passes_invalid_stability)] pub struct InvalidStability { #[primary_span] #[label] pub span: Span, - #[label(passes::item)] + #[label(item)] pub item_sp: Span, } #[derive(Diagnostic)] -#[diag(passes::cannot_stabilize_deprecated)] +#[diag(passes_cannot_stabilize_deprecated)] pub struct CannotStabilizeDeprecated { #[primary_span] #[label] pub span: Span, - #[label(passes::item)] + #[label(item)] pub item_sp: Span, } #[derive(Diagnostic)] -#[diag(passes::invalid_deprecation_version)] +#[diag(passes_invalid_deprecation_version)] pub struct InvalidDeprecationVersion { #[primary_span] #[label] pub span: Span, - #[label(passes::item)] + #[label(item)] pub item_sp: Span, } #[derive(Diagnostic)] -#[diag(passes::missing_stability_attr)] +#[diag(passes_missing_stability_attr)] pub struct MissingStabilityAttr<'a> { #[primary_span] pub span: Span, @@ -1394,7 +1393,7 @@ pub struct MissingStabilityAttr<'a> { } #[derive(Diagnostic)] -#[diag(passes::missing_const_stab_attr)] +#[diag(passes_missing_const_stab_attr)] pub struct MissingConstStabAttr<'a> { #[primary_span] pub span: Span, @@ -1402,7 +1401,7 @@ pub struct MissingConstStabAttr<'a> { } #[derive(Diagnostic)] -#[diag(passes::trait_impl_const_stable)] +#[diag(passes_trait_impl_const_stable)] #[note] pub struct TraitImplConstStable { #[primary_span] @@ -1410,7 +1409,7 @@ pub struct TraitImplConstStable { } #[derive(Diagnostic)] -#[diag(passes::feature_only_on_nightly, code = "E0554")] +#[diag(passes_feature_only_on_nightly, code = "E0554")] pub struct FeatureOnlyOnNightly { #[primary_span] pub span: Span, @@ -1418,7 +1417,7 @@ pub struct FeatureOnlyOnNightly { } #[derive(Diagnostic)] -#[diag(passes::unknown_feature, code = "E0635")] +#[diag(passes_unknown_feature, code = "E0635")] pub struct UnknownFeature { #[primary_span] pub span: Span, @@ -1426,7 +1425,7 @@ pub struct UnknownFeature { } #[derive(Diagnostic)] -#[diag(passes::implied_feature_not_exist)] +#[diag(passes_implied_feature_not_exist)] pub struct ImpliedFeatureNotExist { #[primary_span] pub span: Span, @@ -1435,14 +1434,14 @@ pub struct ImpliedFeatureNotExist { } #[derive(Diagnostic)] -#[diag(passes::duplicate_feature_err, code = "E0636")] +#[diag(passes_duplicate_feature_err, code = "E0636")] pub struct DuplicateFeatureErr { #[primary_span] pub span: Span, pub feature: Symbol, } #[derive(Diagnostic)] -#[diag(passes::missing_const_err)] +#[diag(passes_missing_const_err)] pub struct MissingConstErr { #[primary_span] #[help] diff --git a/compiler/rustc_plugin_impl/src/errors.rs b/compiler/rustc_plugin_impl/src/errors.rs index 07ce92a9b26..e6a7fc86bee 100644 --- a/compiler/rustc_plugin_impl/src/errors.rs +++ b/compiler/rustc_plugin_impl/src/errors.rs @@ -4,7 +4,7 @@ use rustc_macros::Diagnostic; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(plugin_impl::load_plugin_error)] +#[diag(plugin_impl_load_plugin_error)] pub struct LoadPluginError { #[primary_span] pub span: Span, @@ -12,7 +12,7 @@ pub struct LoadPluginError { } #[derive(Diagnostic)] -#[diag(plugin_impl::malformed_plugin_attribute, code = "E0498")] +#[diag(plugin_impl_malformed_plugin_attribute, code = "E0498")] pub struct MalformedPluginAttribute { #[primary_span] #[label] diff --git a/compiler/rustc_privacy/src/errors.rs b/compiler/rustc_privacy/src/errors.rs index f3a617c2f0f..a6c95f1a815 100644 --- a/compiler/rustc_privacy/src/errors.rs +++ b/compiler/rustc_privacy/src/errors.rs @@ -3,7 +3,7 @@ use rustc_macros::{Diagnostic, LintDiagnostic, Subdiagnostic}; use rustc_span::{Span, Symbol}; #[derive(Diagnostic)] -#[diag(privacy::field_is_private, code = "E0451")] +#[diag(privacy_field_is_private, code = "E0451")] pub struct FieldIsPrivate { #[primary_span] pub span: Span, @@ -16,13 +16,13 @@ pub struct FieldIsPrivate { #[derive(Subdiagnostic)] pub enum FieldIsPrivateLabel { - #[label(privacy::field_is_private_is_update_syntax_label)] + #[label(privacy_field_is_private_is_update_syntax_label)] IsUpdateSyntax { #[primary_span] span: Span, field_name: Symbol, }, - #[label(privacy::field_is_private_label)] + #[label(privacy_field_is_private_label)] Other { #[primary_span] span: Span, @@ -30,7 +30,7 @@ pub enum FieldIsPrivateLabel { } #[derive(Diagnostic)] -#[diag(privacy::item_is_private)] +#[diag(privacy_item_is_private)] pub struct ItemIsPrivate<'a> { #[primary_span] #[label] @@ -40,7 +40,7 @@ pub struct ItemIsPrivate<'a> { } #[derive(Diagnostic)] -#[diag(privacy::unnamed_item_is_private)] +#[diag(privacy_unnamed_item_is_private)] pub struct UnnamedItemIsPrivate { #[primary_span] pub span: Span, @@ -49,7 +49,7 @@ pub struct UnnamedItemIsPrivate { // Duplicate of `InPublicInterface` but with a different error code, shares the same slug. #[derive(Diagnostic)] -#[diag(privacy::in_public_interface, code = "E0445")] +#[diag(privacy_in_public_interface, code = "E0445")] pub struct InPublicInterfaceTraits<'a> { #[primary_span] #[label] @@ -57,13 +57,13 @@ pub struct InPublicInterfaceTraits<'a> { pub vis_descr: &'static str, pub kind: &'a str, pub descr: DiagnosticArgFromDisplay<'a>, - #[label(privacy::visibility_label)] + #[label(visibility_label)] pub vis_span: Span, } // Duplicate of `InPublicInterfaceTraits` but with a different error code, shares the same slug. #[derive(Diagnostic)] -#[diag(privacy::in_public_interface, code = "E0446")] +#[diag(privacy_in_public_interface, code = "E0446")] pub struct InPublicInterface<'a> { #[primary_span] #[label] @@ -71,12 +71,12 @@ pub struct InPublicInterface<'a> { pub vis_descr: &'static str, pub kind: &'a str, pub descr: DiagnosticArgFromDisplay<'a>, - #[label(privacy::visibility_label)] + #[label(visibility_label)] pub vis_span: Span, } #[derive(Diagnostic)] -#[diag(privacy::report_effective_visibility)] +#[diag(privacy_report_effective_visibility)] pub struct ReportEffectiveVisibility { #[primary_span] pub span: Span, @@ -84,7 +84,7 @@ pub struct ReportEffectiveVisibility { } #[derive(LintDiagnostic)] -#[diag(privacy::from_private_dep_in_public_interface)] +#[diag(privacy_from_private_dep_in_public_interface)] pub struct FromPrivateDependencyInPublicInterface<'a> { pub kind: &'a str, pub descr: DiagnosticArgFromDisplay<'a>, @@ -92,7 +92,7 @@ pub struct FromPrivateDependencyInPublicInterface<'a> { } #[derive(LintDiagnostic)] -#[diag(privacy::private_in_public_lint)] +#[diag(privacy_private_in_public_lint)] pub struct PrivateInPublicLint<'a> { pub vis_descr: &'static str, pub kind: &'a str, diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index b36b893c78e..2636db6dbe1 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -159,34 +159,12 @@ where ty.visit_with(self) } ty::PredicateKind::RegionOutlives(..) => ControlFlow::CONTINUE, - ty::PredicateKind::ConstEvaluatable(uv) - if self.def_id_visitor.tcx().features().generic_const_exprs => - { - let tcx = self.def_id_visitor.tcx(); - if let Ok(Some(ct)) = AbstractConst::new(tcx, uv) { - self.visit_abstract_const_expr(tcx, ct)?; - } - ControlFlow::CONTINUE - } + ty::PredicateKind::ConstEvaluatable(ct) => ct.visit_with(self), ty::PredicateKind::WellFormed(arg) => arg.visit_with(self), _ => bug!("unexpected predicate: {:?}", predicate), } } - fn visit_abstract_const_expr( - &mut self, - tcx: TyCtxt<'tcx>, - ct: AbstractConst<'tcx>, - ) -> ControlFlow<V::BreakTy> { - walk_abstract_const(tcx, ct, |node| match node.root(tcx) { - ACNode::Leaf(leaf) => self.visit_const(leaf), - ACNode::Cast(_, _, ty) => self.visit_ty(ty), - ACNode::Binop(..) | ACNode::UnaryOp(..) | ACNode::FunctionCall(_, _) => { - ControlFlow::CONTINUE - } - }) - } - fn visit_predicates( &mut self, predicates: ty::GenericPredicates<'tcx>, @@ -309,9 +287,16 @@ where self.visit_ty(c.ty())?; let tcx = self.def_id_visitor.tcx(); if let Ok(Some(ct)) = AbstractConst::from_const(tcx, c) { - self.visit_abstract_const_expr(tcx, ct)?; + walk_abstract_const(tcx, ct, |node| match node.root(tcx) { + ACNode::Leaf(leaf) => self.visit_const(leaf), + ACNode::Cast(_, _, ty) => self.visit_ty(ty), + ACNode::Binop(..) | ACNode::UnaryOp(..) | ACNode::FunctionCall(_, _) => { + ControlFlow::CONTINUE + } + }) + } else { + ControlFlow::CONTINUE } - ControlFlow::CONTINUE } } diff --git a/compiler/rustc_query_impl/src/on_disk_cache.rs b/compiler/rustc_query_impl/src/on_disk_cache.rs index e96ea682cae..a5921650112 100644 --- a/compiler/rustc_query_impl/src/on_disk_cache.rs +++ b/compiler/rustc_query_impl/src/on_disk_cache.rs @@ -848,6 +848,7 @@ impl_ref_decoder! {<'tcx> rustc_span::def_id::DefId, rustc_span::def_id::LocalDefId, (rustc_middle::middle::exported_symbols::ExportedSymbol<'tcx>, rustc_middle::middle::exported_symbols::SymbolExportInfo), + ty::DeducedParamAttrs, } //- ENCODING ------------------------------------------------------------------- diff --git a/compiler/rustc_query_system/src/error.rs b/compiler/rustc_query_system/src/error.rs index 1e74e0e2990..7a20eaceba0 100644 --- a/compiler/rustc_query_system/src/error.rs +++ b/compiler/rustc_query_system/src/error.rs @@ -3,7 +3,7 @@ use rustc_session::Limit; use rustc_span::{Span, Symbol}; #[derive(Subdiagnostic)] -#[note(query_system::cycle_stack_middle)] +#[note(query_system_cycle_stack_middle)] pub struct CycleStack { #[primary_span] pub span: Span, @@ -19,24 +19,24 @@ pub enum HandleCycleError { #[derive(Subdiagnostic)] pub enum StackCount { - #[note(query_system::cycle_stack_single)] + #[note(query_system_cycle_stack_single)] Single, - #[note(query_system::cycle_stack_multiple)] + #[note(query_system_cycle_stack_multiple)] Multiple, } #[derive(Subdiagnostic)] pub enum Alias { - #[note(query_system::cycle_recursive_ty_alias)] - #[help(query_system::cycle_recursive_ty_alias_help1)] - #[help(query_system::cycle_recursive_ty_alias_help2)] + #[note(query_system_cycle_recursive_ty_alias)] + #[help(query_system_cycle_recursive_ty_alias_help1)] + #[help(query_system_cycle_recursive_ty_alias_help2)] Ty, - #[note(query_system::cycle_recursive_trait_alias)] + #[note(query_system_cycle_recursive_trait_alias)] Trait, } #[derive(Subdiagnostic)] -#[note(query_system::cycle_usage)] +#[note(query_system_cycle_usage)] pub struct CycleUsage { #[primary_span] pub span: Span, @@ -44,7 +44,7 @@ pub struct CycleUsage { } #[derive(Diagnostic)] -#[diag(query_system::cycle, code = "E0391")] +#[diag(query_system_cycle, code = "E0391")] pub struct Cycle { #[primary_span] pub span: Span, @@ -60,14 +60,14 @@ pub struct Cycle { } #[derive(Diagnostic)] -#[diag(query_system::reentrant)] +#[diag(query_system_reentrant)] pub struct Reentrant; #[derive(Diagnostic)] -#[diag(query_system::increment_compilation)] +#[diag(query_system_increment_compilation)] #[help] -#[note(query_system::increment_compilation_note1)] -#[note(query_system::increment_compilation_note2)] +#[note(query_system_increment_compilation_note1)] +#[note(query_system_increment_compilation_note2)] pub struct IncrementCompilation { pub run_cmd: String, pub dep_node: String, @@ -75,7 +75,7 @@ pub struct IncrementCompilation { #[derive(Diagnostic)] #[help] -#[diag(query_system::query_overflow)] +#[diag(query_system_query_overflow)] pub struct QueryOverflow { #[primary_span] pub span: Option<Span>, @@ -86,7 +86,7 @@ pub struct QueryOverflow { } #[derive(Subdiagnostic)] -#[note(query_system::layout_of_depth)] +#[note(query_system_layout_of_depth)] pub struct LayoutOfDepth { pub desc: String, pub depth: usize, diff --git a/compiler/rustc_resolve/src/access_levels.rs b/compiler/rustc_resolve/src/access_levels.rs index 1cef60949d8..257784341e3 100644 --- a/compiler/rustc_resolve/src/access_levels.rs +++ b/compiler/rustc_resolve/src/access_levels.rs @@ -1,5 +1,4 @@ -use crate::NameBindingKind; -use crate::Resolver; +use crate::{ImportKind, NameBindingKind, Resolver}; use rustc_ast::ast; use rustc_ast::visit; use rustc_ast::visit::Visitor; @@ -45,14 +44,13 @@ impl<'r, 'a> AccessLevelsVisitor<'r, 'a> { let module = self.r.get_module(module_id.to_def_id()).unwrap(); let resolutions = self.r.resolutions(module); - for (key, name_resolution) in resolutions.borrow().iter() { + for (_, name_resolution) in resolutions.borrow().iter() { if let Some(mut binding) = name_resolution.borrow().binding() && !binding.is_ambiguity() { // Set the given binding access level to `AccessLevel::Public` and // sets the rest of the `use` chain to `AccessLevel::Exported` until // we hit the actual exported item. - // FIXME: tag and is_public() condition must be deleted, - // but assertion fail occurs in import_id_for_ns + // FIXME: tag and is_public() condition should be removed, but assertions occur. let tag = if binding.is_import() { AccessLevel::Exported } else { AccessLevel::Public }; if binding.vis.is_public() { let mut prev_parent_id = module_id; @@ -60,16 +58,26 @@ impl<'r, 'a> AccessLevelsVisitor<'r, 'a> { while let NameBindingKind::Import { binding: nested_binding, import, .. } = binding.kind { - let id = self.r.local_def_id(self.r.import_id_for_ns(import, key.ns)); - self.update( - id, + let mut update = |node_id| self.update( + self.r.local_def_id(node_id), binding.vis.expect_local(), prev_parent_id, level, ); + // In theory all the import IDs have individual visibilities and effective + // visibilities, but in practice these IDs go straigth to HIR where all + // their few uses assume that their (effective) visibility applies to the + // whole syntactic `use` item. So we update them all to the maximum value + // among the potential individual effective visibilities. Maybe HIR for + // imports shouldn't use three IDs at all. + update(import.id); + if let ImportKind::Single { additional_ids, .. } = import.kind { + update(additional_ids.0); + update(additional_ids.1); + } level = AccessLevel::Exported; - prev_parent_id = id; + prev_parent_id = self.r.local_def_id(import.id); binding = nested_binding; } } diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index c4644d4f076..5d868ebec94 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -24,7 +24,7 @@ use rustc_span::hygiene::MacroKind; use rustc_span::lev_distance::find_best_match_for_name; use rustc_span::source_map::SourceMap; use rustc_span::symbol::{kw, sym, Ident, Symbol}; -use rustc_span::{BytePos, Span}; +use rustc_span::{BytePos, Span, SyntaxContext}; use crate::imports::{Import, ImportKind, ImportResolver}; use crate::late::{PatternSource, Rib}; @@ -47,6 +47,7 @@ pub(crate) type Suggestion = (Vec<(Span, String)>, String, Applicability); /// similarly named label and whether or not it is reachable. pub(crate) type LabelSuggestion = (Ident, bool); +#[derive(Debug)] pub(crate) enum SuggestionTarget { /// The target has a similar name as the name used by the programmer (probably a typo) SimilarlyNamed, @@ -54,6 +55,7 @@ pub(crate) enum SuggestionTarget { SingleItem, } +#[derive(Debug)] pub(crate) struct TypoSuggestion { pub candidate: Symbol, pub res: Res, @@ -482,11 +484,12 @@ impl<'a> Resolver<'a> { module: Module<'a>, names: &mut Vec<TypoSuggestion>, filter_fn: &impl Fn(Res) -> bool, + ctxt: Option<SyntaxContext>, ) { for (key, resolution) in self.resolutions(module).borrow().iter() { if let Some(binding) = resolution.borrow().binding { let res = binding.res(); - if filter_fn(res) { + if filter_fn(res) && ctxt.map_or(true, |ctxt| ctxt == key.ident.span.ctxt()) { names.push(TypoSuggestion::typo_from_res(key.ident.name, res)); } } @@ -1181,10 +1184,10 @@ impl<'a> Resolver<'a> { Scope::CrateRoot => { let root_ident = Ident::new(kw::PathRoot, ident.span); let root_module = this.resolve_crate_root(root_ident); - this.add_module_candidates(root_module, &mut suggestions, filter_fn); + this.add_module_candidates(root_module, &mut suggestions, filter_fn, None); } Scope::Module(module, _) => { - this.add_module_candidates(module, &mut suggestions, filter_fn); + this.add_module_candidates(module, &mut suggestions, filter_fn, None); } Scope::MacroUsePrelude => { suggestions.extend(this.macro_use_prelude.iter().filter_map( @@ -1221,7 +1224,7 @@ impl<'a> Resolver<'a> { Scope::StdLibPrelude => { if let Some(prelude) = this.prelude { let mut tmp_suggestions = Vec::new(); - this.add_module_candidates(prelude, &mut tmp_suggestions, filter_fn); + this.add_module_candidates(prelude, &mut tmp_suggestions, filter_fn, None); suggestions.extend( tmp_suggestions .into_iter() diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 0a86374d76d..f2cc50c199f 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -2,7 +2,7 @@ use crate::diagnostics::{import_candidates, Suggestion}; use crate::Determinacy::{self, *}; -use crate::Namespace::{self, *}; +use crate::Namespace::*; use crate::{module_to_string, names_to_string, ImportSuggestion}; use crate::{AmbiguityKind, BindingKey, ModuleKind, ResolutionError, Resolver, Segment}; use crate::{Finalize, Module, ModuleOrUniformRoot, ParentScope, PerNS, ScopeSet}; @@ -371,31 +371,6 @@ impl<'a> Resolver<'a> { self.used_imports.insert(import.id); } } - - /// Take primary and additional node IDs from an import and select one that corresponds to the - /// given namespace. The logic must match the corresponding logic from `fn lower_use_tree` that - /// assigns resolutons to IDs. - pub(crate) fn import_id_for_ns(&self, import: &Import<'_>, ns: Namespace) -> NodeId { - if let ImportKind::Single { additional_ids: (id1, id2), .. } = import.kind { - if let Some(resolutions) = self.import_res_map.get(&import.id) { - assert!(resolutions[ns].is_some(), "incorrectly finalized import"); - return match ns { - TypeNS => import.id, - ValueNS => match resolutions.type_ns { - Some(_) => id1, - None => import.id, - }, - MacroNS => match (resolutions.type_ns, resolutions.value_ns) { - (Some(_), Some(_)) => id2, - (Some(_), None) | (None, Some(_)) => id1, - (None, None) => import.id, - }, - }; - } - } - - import.id - } } /// An error that may be transformed into a diagnostic later. Used to combine multiple unresolved diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index ba3d8f64bbc..58853346a92 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -524,6 +524,9 @@ struct DiagnosticMetadata<'ast> { /// Used to detect possible `if let` written without `let` and to provide structured suggestion. in_if_condition: Option<&'ast Expr>, + /// Used to detect possible new binding written without `let` and to provide structured suggestion. + in_assignment: Option<&'ast Expr>, + /// If we are currently in a trait object definition. Used to point at the bounds when /// encountering a struct or enum. current_trait_object: Option<&'ast [ast::GenericBound]>, @@ -3905,6 +3908,11 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> { self.resolve_expr(elem, Some(expr)); self.visit_expr(idx); } + ExprKind::Assign(..) => { + let old = self.diagnostic_metadata.in_assignment.replace(expr); + visit::walk_expr(self, expr); + self.diagnostic_metadata.in_assignment = old; + } _ => { visit::walk_expr(self, expr); } diff --git a/compiler/rustc_resolve/src/late/diagnostics.rs b/compiler/rustc_resolve/src/late/diagnostics.rs index 4fd5bc1d60a..850f023b1c1 100644 --- a/compiler/rustc_resolve/src/late/diagnostics.rs +++ b/compiler/rustc_resolve/src/late/diagnostics.rs @@ -38,8 +38,8 @@ type Res = def::Res<ast::NodeId>; /// A field or associated item from self type suggested in case of resolution failure. enum AssocSuggestion { Field, - MethodWithSelf, - AssocFn, + MethodWithSelf { called: bool }, + AssocFn { called: bool }, AssocType, AssocConst, } @@ -48,8 +48,14 @@ impl AssocSuggestion { fn action(&self) -> &'static str { match self { AssocSuggestion::Field => "use the available field", - AssocSuggestion::MethodWithSelf => "call the method with the fully-qualified path", - AssocSuggestion::AssocFn => "call the associated function", + AssocSuggestion::MethodWithSelf { called: true } => { + "call the method with the fully-qualified path" + } + AssocSuggestion::MethodWithSelf { called: false } => { + "refer to the method with the fully-qualified path" + } + AssocSuggestion::AssocFn { called: true } => "call the associated function", + AssocSuggestion::AssocFn { called: false } => "refer to the associated function", AssocSuggestion::AssocConst => "use the associated `const`", AssocSuggestion::AssocType => "use the associated type", } @@ -131,6 +137,7 @@ pub(super) enum LifetimeElisionCandidate { } /// Only used for diagnostics. +#[derive(Debug)] struct BaseError { msg: String, fallback_label: String, @@ -140,6 +147,22 @@ struct BaseError { suggestion: Option<(Span, &'static str, String)>, } +#[derive(Debug)] +enum TypoCandidate { + Typo(TypoSuggestion), + Shadowed(Res), + None, +} + +impl TypoCandidate { + fn to_opt_suggestion(self) -> Option<TypoSuggestion> { + match self { + TypoCandidate::Typo(sugg) => Some(sugg), + TypoCandidate::Shadowed(_) | TypoCandidate::None => None, + } + } +} + impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { fn def_span(&self, def_id: DefId) -> Option<Span> { match def_id.krate { @@ -496,9 +519,12 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { } // Try Levenshtein algorithm. - let typo_sugg = self.lookup_typo_candidate(path, source.namespace(), is_expected); + let typo_sugg = + self.lookup_typo_candidate(path, source.namespace(), is_expected).to_opt_suggestion(); if path.len() == 1 && self.self_type_is_available() { - if let Some(candidate) = self.lookup_assoc_candidate(ident, ns, is_expected) { + if let Some(candidate) = + self.lookup_assoc_candidate(ident, ns, is_expected, source.is_call()) + { let self_is_available = self.self_value_is_available(path[0].ident.span); match candidate { AssocSuggestion::Field => { @@ -513,16 +539,21 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { err.span_label(span, "a field by this name exists in `Self`"); } } - AssocSuggestion::MethodWithSelf if self_is_available => { + AssocSuggestion::MethodWithSelf { called } if self_is_available => { + let msg = if called { + "you might have meant to call the method" + } else { + "you might have meant to refer to the method" + }; err.span_suggestion( span, - "you might have meant to call the method", + msg, format!("self.{path_str}"), Applicability::MachineApplicable, ); } - AssocSuggestion::MethodWithSelf - | AssocSuggestion::AssocFn + AssocSuggestion::MethodWithSelf { .. } + | AssocSuggestion::AssocFn { .. } | AssocSuggestion::AssocConst | AssocSuggestion::AssocType => { err.span_suggestion( @@ -660,7 +691,18 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { let is_expected = &|res| source.is_expected(res); let ident_span = path.last().map_or(span, |ident| ident.ident.span); let typo_sugg = self.lookup_typo_candidate(path, source.namespace(), is_expected); + if let TypoCandidate::Shadowed(res) = typo_sugg + && let Some(id) = res.opt_def_id() + && let Some(sugg_span) = self.r.opt_span(id) + { + err.span_label( + sugg_span, + format!("you might have meant to refer to this {}", res.descr()), + ); + return true; + } let mut fallback = false; + let typo_sugg = typo_sugg.to_opt_suggestion(); if !self.r.add_typo_suggestion(err, typo_sugg, ident_span) { fallback = true; match self.diagnostic_metadata.current_let_binding { @@ -679,7 +721,9 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { // If the trait has a single item (which wasn't matched by Levenshtein), suggest it let suggestion = self.get_single_associated_item(&path, &source, is_expected); - self.r.add_typo_suggestion(err, suggestion, ident_span); + if !self.r.add_typo_suggestion(err, suggestion, ident_span) { + fallback = !self.let_binding_suggestion(err, ident_span); + } } fallback } @@ -1076,41 +1120,14 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { // where a brace being opened means a block is being started. Look // ahead for the next text to see if `span` is followed by a `{`. let sm = self.r.session.source_map(); - let mut sp = span; - loop { - sp = sm.next_point(sp); - match sm.span_to_snippet(sp) { - Ok(ref snippet) => { - if snippet.chars().any(|c| !c.is_whitespace()) { - break; - } - } - _ => break, - } - } + let sp = sm.span_look_ahead(span, None, Some(50)); let followed_by_brace = matches!(sm.span_to_snippet(sp), Ok(ref snippet) if snippet == "{"); // In case this could be a struct literal that needs to be surrounded // by parentheses, find the appropriate span. - let mut i = 0; - let mut closing_brace = None; - loop { - sp = sm.next_point(sp); - match sm.span_to_snippet(sp) { - Ok(ref snippet) => { - if snippet == "}" { - closing_brace = Some(span.to(sp)); - break; - } - } - _ => break, - } - i += 1; - // The bigger the span, the more likely we're incorrect -- - // bound it to 100 chars long. - if i > 100 { - break; - } - } + let closing_span = sm.span_look_ahead(span, Some("}"), Some(50)); + let closing_brace: Option<Span> = sm + .span_to_snippet(closing_span) + .map_or(None, |s| if s == "}" { Some(span.to(closing_span)) } else { None }); (followed_by_brace, closing_brace) } @@ -1494,6 +1511,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { ident: Ident, ns: Namespace, filter_fn: FilterFn, + called: bool, ) -> Option<AssocSuggestion> where FilterFn: Fn(Res) -> bool, @@ -1535,9 +1553,9 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { return Some(match &assoc_item.kind { ast::AssocItemKind::Const(..) => AssocSuggestion::AssocConst, ast::AssocItemKind::Fn(box ast::Fn { sig, .. }) if sig.decl.has_self() => { - AssocSuggestion::MethodWithSelf + AssocSuggestion::MethodWithSelf { called } } - ast::AssocItemKind::Fn(..) => AssocSuggestion::AssocFn, + ast::AssocItemKind::Fn(..) => AssocSuggestion::AssocFn { called }, ast::AssocItemKind::Type(..) => AssocSuggestion::AssocType, ast::AssocItemKind::MacCall(_) => continue, }); @@ -1556,10 +1574,12 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { let res = binding.res(); if filter_fn(res) { if self.r.has_self.contains(&res.def_id()) { - return Some(AssocSuggestion::MethodWithSelf); + return Some(AssocSuggestion::MethodWithSelf { called }); } else { match res { - Res::Def(DefKind::AssocFn, _) => return Some(AssocSuggestion::AssocFn), + Res::Def(DefKind::AssocFn, _) => { + return Some(AssocSuggestion::AssocFn { called }); + } Res::Def(DefKind::AssocConst, _) => { return Some(AssocSuggestion::AssocConst); } @@ -1581,22 +1601,38 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { path: &[Segment], ns: Namespace, filter_fn: &impl Fn(Res) -> bool, - ) -> Option<TypoSuggestion> { + ) -> TypoCandidate { let mut names = Vec::new(); if path.len() == 1 { + let mut ctxt = path.last().unwrap().ident.span.ctxt(); + // Search in lexical scope. // Walk backwards up the ribs in scope and collect candidates. for rib in self.ribs[ns].iter().rev() { + let rib_ctxt = if rib.kind.contains_params() { + ctxt.normalize_to_macros_2_0() + } else { + ctxt.normalize_to_macro_rules() + }; + // Locals and type parameters for (ident, &res) in &rib.bindings { - if filter_fn(res) { + if filter_fn(res) && ident.span.ctxt() == rib_ctxt { names.push(TypoSuggestion::typo_from_res(ident.name, res)); } } + + if let RibKind::MacroDefinition(def) = rib.kind && def == self.r.macro_def(ctxt) { + // If an invocation of this macro created `ident`, give up on `ident` + // and switch to `ident`'s source from the macro definition. + ctxt.remove_mark(); + continue; + } + // Items in scope if let RibKind::ModuleRibKind(module) = rib.kind { // Items from this module - self.r.add_module_candidates(module, &mut names, &filter_fn); + self.r.add_module_candidates(module, &mut names, &filter_fn, Some(ctxt)); if let ModuleKind::Block = module.kind { // We can see through blocks @@ -1622,7 +1658,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { })); if let Some(prelude) = self.r.prelude { - self.r.add_module_candidates(prelude, &mut names, &filter_fn); + self.r.add_module_candidates(prelude, &mut names, &filter_fn, None); } } break; @@ -1641,7 +1677,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { if let PathResult::Module(ModuleOrUniformRoot::Module(module)) = self.resolve_path(mod_path, Some(TypeNS), None) { - self.r.add_module_candidates(module, &mut names, &filter_fn); + self.r.add_module_candidates(module, &mut names, &filter_fn, None); } } @@ -1654,10 +1690,17 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { name, None, ) { - Some(found) if found != name => { - names.into_iter().find(|suggestion| suggestion.candidate == found) + Some(found) => { + let Some(sugg) = names.into_iter().find(|suggestion| suggestion.candidate == found) else { + return TypoCandidate::None; + }; + if found == name { + TypoCandidate::Shadowed(sugg.res) + } else { + TypoCandidate::Typo(sugg) + } } - _ => None, + _ => TypoCandidate::None, } } @@ -1727,26 +1770,16 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { } } if let Ok(base_snippet) = base_snippet { - let mut sp = after_colon_sp; - for _ in 0..100 { - // Try to find an assignment - sp = sm.next_point(sp); - let snippet = sm.span_to_snippet(sp); - match snippet { - Ok(ref x) if x.as_str() == "=" => { - err.span_suggestion( - base_span, - "maybe you meant to write an assignment here", - format!("let {}", base_snippet), - Applicability::MaybeIncorrect, - ); - show_label = false; - break; - } - Ok(ref x) if x.as_str() == "\n" => break, - Err(_) => break, - Ok(_) => {} - } + // Try to find an assignment + let eq_span = sm.span_look_ahead(after_colon_sp, Some("="), Some(50)); + if let Ok(ref snippet) = sm.span_to_snippet(eq_span) && snippet == "=" { + err.span_suggestion( + base_span, + "maybe you meant to write an assignment here", + format!("let {}", base_snippet), + Applicability::MaybeIncorrect, + ); + show_label = false; } } } @@ -1763,6 +1796,31 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> { false } + fn let_binding_suggestion(&self, err: &mut Diagnostic, ident_span: Span) -> bool { + // try to give a suggestion for this pattern: `name = 1`, which is common in other languages + let mut added_suggestion = false; + if let Some(Expr { kind: ExprKind::Assign(lhs, _rhs, _), .. }) = self.diagnostic_metadata.in_assignment && + let ast::ExprKind::Path(None, _) = lhs.kind { + let sm = self.r.session.source_map(); + let line_span = sm.span_extend_to_line(ident_span); + let ident_name = sm.span_to_snippet(ident_span).unwrap(); + // HACK(chenyukang): make sure ident_name is at the starting of the line to protect against macros + if sm + .span_to_snippet(line_span) + .map_or(false, |s| s.trim().starts_with(&ident_name)) + { + err.span_suggestion_verbose( + ident_span.shrink_to_lo(), + "you might have meant to introduce a new binding", + "let ".to_string(), + Applicability::MaybeIncorrect, + ); + added_suggestion = true; + } + } + added_suggestion + } + fn find_module(&mut self, def_id: DefId) -> Option<(Module<'a>, ImportSuggestion)> { let mut result = None; let mut seen_modules = FxHashSet::default(); diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index f6f0b3c1139..9526296f951 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -12,7 +12,7 @@ use rustc_attr::StabilityLevel; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::intern::Interned; use rustc_data_structures::sync::Lrc; -use rustc_errors::struct_span_err; +use rustc_errors::{struct_span_err, Applicability}; use rustc_expand::base::{Annotatable, DeriveResolutions, Indeterminate, ResolverExpand}; use rustc_expand::base::{SyntaxExtension, SyntaxExtensionKind}; use rustc_expand::compile_declarative_macro; @@ -694,7 +694,19 @@ impl<'a> Resolver<'a> { check_consistency(self, &path, path_span, kind, initial_res, res) } path_res @ PathResult::NonModule(..) | path_res @ PathResult::Failed { .. } => { + let mut suggestion = None; let (span, label) = if let PathResult::Failed { span, label, .. } = path_res { + // try to suggest if it's not a macro, maybe a function + if let PathResult::NonModule(partial_res) = self.maybe_resolve_path(&path, Some(ValueNS), &parent_scope) + && partial_res.unresolved_segments() == 0 { + let sm = self.session.source_map(); + let exclamation_span = sm.next_point(span); + suggestion = Some(( + vec![(exclamation_span, "".to_string())], + format!("{} is not a macro, but a {}, try to remove `!`", Segment::names_to_string(&path), partial_res.base_res().descr()), + Applicability::MaybeIncorrect + )); + } (span, label) } else { ( @@ -708,7 +720,7 @@ impl<'a> Resolver<'a> { }; self.report_error( span, - ResolutionError::FailedToResolve { label, suggestion: None }, + ResolutionError::FailedToResolve { label, suggestion }, ); } PathResult::Module(..) | PathResult::Indeterminate => unreachable!(), diff --git a/compiler/rustc_save_analysis/src/errors.rs b/compiler/rustc_save_analysis/src/errors.rs index 8a15ba63661..585aac8c1c3 100644 --- a/compiler/rustc_save_analysis/src/errors.rs +++ b/compiler/rustc_save_analysis/src/errors.rs @@ -3,7 +3,7 @@ use rustc_macros::Diagnostic; use std::path::Path; #[derive(Diagnostic)] -#[diag(save_analysis::could_not_open)] +#[diag(save_analysis_could_not_open)] pub(crate) struct CouldNotOpen<'a> { pub file_name: &'a Path, pub err: std::io::Error, diff --git a/compiler/rustc_session/src/config/sigpipe.rs b/compiler/rustc_session/src/config/sigpipe.rs index a5c94118a47..53692ad7cc9 100644 --- a/compiler/rustc_session/src/config/sigpipe.rs +++ b/compiler/rustc_session/src/config/sigpipe.rs @@ -1,5 +1,13 @@ //! NOTE: Keep these constants in sync with `library/std/src/sys/unix/mod.rs`! +/// The default value if `#[unix_sigpipe]` is not specified. This resolves +/// to `SIG_IGN` in `library/std/src/sys/unix/mod.rs`. +/// +/// Note that `SIG_IGN` has been the Rust default since 2014. See +/// <https://github.com/rust-lang/rust/issues/62569>. +#[allow(dead_code)] +pub const DEFAULT: u8 = 0; + /// Do not touch `SIGPIPE`. Use whatever the parent process uses. #[allow(dead_code)] pub const INHERIT: u8 = 1; @@ -15,8 +23,3 @@ pub const SIG_IGN: u8 = 2; /// such as `head -n 1`. #[allow(dead_code)] pub const SIG_DFL: u8 = 3; - -/// `SIG_IGN` has been the Rust default since 2014. See -/// <https://github.com/rust-lang/rust/issues/62569>. -#[allow(dead_code)] -pub const DEFAULT: u8 = SIG_IGN; diff --git a/compiler/rustc_session/src/errors.rs b/compiler/rustc_session/src/errors.rs index d12796f289e..bf542faec41 100644 --- a/compiler/rustc_session/src/errors.rs +++ b/compiler/rustc_session/src/errors.rs @@ -1,15 +1,13 @@ use std::num::NonZeroU32; use crate::cgu_reuse_tracker::CguReuse; -use rustc_errors::{ - fluent, DiagnosticBuilder, ErrorGuaranteed, Handler, IntoDiagnostic, MultiSpan, -}; +use rustc_errors::MultiSpan; use rustc_macros::Diagnostic; use rustc_span::{Span, Symbol}; use rustc_target::spec::{SplitDebuginfo, StackProtector, TargetTriple}; #[derive(Diagnostic)] -#[diag(session::incorrect_cgu_reuse_type)] +#[diag(session_incorrect_cgu_reuse_type)] pub struct IncorrectCguReuseType<'a> { #[primary_span] pub span: Span, @@ -20,14 +18,14 @@ pub struct IncorrectCguReuseType<'a> { } #[derive(Diagnostic)] -#[diag(session::cgu_not_recorded)] +#[diag(session_cgu_not_recorded)] pub struct CguNotRecorded<'a> { pub cgu_user_name: &'a str, pub cgu_name: &'a str, } #[derive(Diagnostic)] -#[diag(session::feature_gate_error, code = "E0658")] +#[diag(session_feature_gate_error, code = "E0658")] pub struct FeatureGateError<'a> { #[primary_span] pub span: MultiSpan, @@ -35,99 +33,99 @@ pub struct FeatureGateError<'a> { } #[derive(Subdiagnostic)] -#[note(session::feature_diagnostic_for_issue)] +#[note(session_feature_diagnostic_for_issue)] pub struct FeatureDiagnosticForIssue { pub n: NonZeroU32, } #[derive(Subdiagnostic)] -#[help(session::feature_diagnostic_help)] +#[help(session_feature_diagnostic_help)] pub struct FeatureDiagnosticHelp { pub feature: Symbol, } #[derive(Diagnostic)] -#[diag(session::not_circumvent_feature)] +#[diag(session_not_circumvent_feature)] pub struct NotCircumventFeature; #[derive(Diagnostic)] -#[diag(session::linker_plugin_lto_windows_not_supported)] +#[diag(session_linker_plugin_lto_windows_not_supported)] pub struct LinkerPluginToWindowsNotSupported; #[derive(Diagnostic)] -#[diag(session::profile_use_file_does_not_exist)] +#[diag(session_profile_use_file_does_not_exist)] pub struct ProfileUseFileDoesNotExist<'a> { pub path: &'a std::path::Path, } #[derive(Diagnostic)] -#[diag(session::profile_sample_use_file_does_not_exist)] +#[diag(session_profile_sample_use_file_does_not_exist)] pub struct ProfileSampleUseFileDoesNotExist<'a> { pub path: &'a std::path::Path, } #[derive(Diagnostic)] -#[diag(session::target_requires_unwind_tables)] +#[diag(session_target_requires_unwind_tables)] pub struct TargetRequiresUnwindTables; #[derive(Diagnostic)] -#[diag(session::sanitizer_not_supported)] +#[diag(session_sanitizer_not_supported)] pub struct SanitizerNotSupported { pub us: String, } #[derive(Diagnostic)] -#[diag(session::sanitizers_not_supported)] +#[diag(session_sanitizers_not_supported)] pub struct SanitizersNotSupported { pub us: String, } #[derive(Diagnostic)] -#[diag(session::cannot_mix_and_match_sanitizers)] +#[diag(session_cannot_mix_and_match_sanitizers)] pub struct CannotMixAndMatchSanitizers { pub first: String, pub second: String, } #[derive(Diagnostic)] -#[diag(session::cannot_enable_crt_static_linux)] +#[diag(session_cannot_enable_crt_static_linux)] pub struct CannotEnableCrtStaticLinux; #[derive(Diagnostic)] -#[diag(session::sanitizer_cfi_enabled)] +#[diag(session_sanitizer_cfi_enabled)] pub struct SanitizerCfiEnabled; #[derive(Diagnostic)] -#[diag(session::unstable_virtual_function_elimination)] +#[diag(session_unstable_virtual_function_elimination)] pub struct UnstableVirtualFunctionElimination; #[derive(Diagnostic)] -#[diag(session::unsupported_dwarf_version)] +#[diag(session_unsupported_dwarf_version)] pub struct UnsupportedDwarfVersion { pub dwarf_version: u32, } #[derive(Diagnostic)] -#[diag(session::target_stack_protector_not_supported)] +#[diag(session_target_stack_protector_not_supported)] pub struct StackProtectorNotSupportedForTarget<'a> { pub stack_protector: StackProtector, pub target_triple: &'a TargetTriple, } #[derive(Diagnostic)] -#[diag(session::split_debuginfo_unstable_platform)] +#[diag(session_split_debuginfo_unstable_platform)] pub struct SplitDebugInfoUnstablePlatform { pub debuginfo: SplitDebuginfo, } #[derive(Diagnostic)] -#[diag(session::file_is_not_writeable)] +#[diag(session_file_is_not_writeable)] pub struct FileIsNotWriteable<'a> { pub file: &'a std::path::Path, } #[derive(Diagnostic)] -#[diag(session::crate_name_does_not_match)] +#[diag(session_crate_name_does_not_match)] pub struct CrateNameDoesNotMatch<'a> { #[primary_span] pub span: Span, @@ -136,38 +134,29 @@ pub struct CrateNameDoesNotMatch<'a> { } #[derive(Diagnostic)] -#[diag(session::crate_name_invalid)] +#[diag(session_crate_name_invalid)] pub struct CrateNameInvalid<'a> { pub s: &'a str, } #[derive(Diagnostic)] -#[diag(session::crate_name_empty)] +#[diag(session_crate_name_empty)] pub struct CrateNameEmpty { #[primary_span] pub span: Option<Span>, } +#[derive(Diagnostic)] +#[diag(session_invalid_character_in_create_name)] pub struct InvalidCharacterInCrateName<'a> { + #[primary_span] pub span: Option<Span>, pub character: char, pub crate_name: &'a str, } -impl IntoDiagnostic<'_> for InvalidCharacterInCrateName<'_> { - fn into_diagnostic(self, sess: &Handler) -> DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = sess.struct_err(fluent::session::invalid_character_in_create_name); - if let Some(sp) = self.span { - diag.set_span(sp); - } - diag.set_arg("character", self.character); - diag.set_arg("crate_name", self.crate_name); - diag - } -} - #[derive(Subdiagnostic)] -#[multipart_suggestion(session::expr_parentheses_needed, applicability = "machine-applicable")] +#[multipart_suggestion(session_expr_parentheses_needed, applicability = "machine-applicable")] pub struct ExprParenthesesNeeded { #[suggestion_part(code = "(")] pub left: Span, @@ -180,3 +169,25 @@ impl ExprParenthesesNeeded { ExprParenthesesNeeded { left: s.shrink_to_lo(), right: s.shrink_to_hi() } } } + +#[derive(Diagnostic)] +#[diag(session_skipping_const_checks)] +pub struct SkippingConstChecks { + #[subdiagnostic(eager)] + pub unleashed_features: Vec<UnleashedFeatureHelp>, +} + +#[derive(Subdiagnostic)] +pub enum UnleashedFeatureHelp { + #[help(session_unleashed_feature_help_named)] + Named { + #[primary_span] + span: Span, + gate: Symbol, + }, + #[help(session_unleashed_feature_help_unnamed)] + Unnamed { + #[primary_span] + span: Span, + }, +} diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index a8be318dea8..3f234a47a3d 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -1295,6 +1295,8 @@ options! { an additional `.html` file showing the computed coverage spans."), dwarf_version: Option<u32> = (None, parse_opt_number, [TRACKED], "version of DWARF debug information to emit (default: 2 or 4, depending on platform)"), + dylib_lto: bool = (false, parse_bool, [UNTRACKED], + "enables LTO for dylib crate type"), emit_stack_sizes: bool = (false, parse_bool, [UNTRACKED], "emit a section containing stack size metadata (default: no)"), emit_thin_lto: bool = (true, parse_bool, [TRACKED], diff --git a/compiler/rustc_session/src/session.rs b/compiler/rustc_session/src/session.rs index b5e25f45fa7..100c66f6364 100644 --- a/compiler/rustc_session/src/session.rs +++ b/compiler/rustc_session/src/session.rs @@ -5,9 +5,10 @@ use crate::config::{self, CrateType, InstrumentCoverage, OptLevel, OutputType, S use crate::errors::{ CannotEnableCrtStaticLinux, CannotMixAndMatchSanitizers, LinkerPluginToWindowsNotSupported, NotCircumventFeature, ProfileSampleUseFileDoesNotExist, ProfileUseFileDoesNotExist, - SanitizerCfiEnabled, SanitizerNotSupported, SanitizersNotSupported, + SanitizerCfiEnabled, SanitizerNotSupported, SanitizersNotSupported, SkippingConstChecks, SplitDebugInfoUnstablePlatform, StackProtectorNotSupportedForTarget, - TargetRequiresUnwindTables, UnstableVirtualFunctionElimination, UnsupportedDwarfVersion, + TargetRequiresUnwindTables, UnleashedFeatureHelp, UnstableVirtualFunctionElimination, + UnsupportedDwarfVersion, }; use crate::parse::{add_feature_diagnostics, ParseSess}; use crate::search_paths::{PathKind, SearchPath}; @@ -232,21 +233,19 @@ impl Session { if !unleashed_features.is_empty() { let mut must_err = false; // Create a diagnostic pointing at where things got unleashed. - // FIXME(#100717): needs eager translation/lists - #[allow(rustc::untranslatable_diagnostic)] - #[allow(rustc::diagnostic_outside_of_impl)] - let mut diag = self.struct_warn("skipping const checks"); - for &(span, feature_gate) in unleashed_features.iter() { - // FIXME: `span_label` doesn't do anything, so we use "help" as a hack. - if let Some(gate) = feature_gate { - diag.span_help(span, &format!("skipping check for `{gate}` feature")); - // The unleash flag must *not* be used to just "hack around" feature gates. - must_err = true; - } else { - diag.span_help(span, "skipping check that does not even have a feature gate"); - } - } - diag.emit(); + self.emit_warning(SkippingConstChecks { + unleashed_features: unleashed_features + .iter() + .map(|(span, gate)| { + gate.map(|gate| { + must_err = true; + UnleashedFeatureHelp::Named { span: *span, gate } + }) + .unwrap_or(UnleashedFeatureHelp::Unnamed { span: *span }) + }) + .collect(), + }); + // If we should err, make sure we did. if must_err && self.has_errors().is_none() { // We have skipped a feature gate, and not run into other errors... reject. diff --git a/compiler/rustc_session/src/utils.rs b/compiler/rustc_session/src/utils.rs index 9a4f6f9f9ef..e65b6891e32 100644 --- a/compiler/rustc_session/src/utils.rs +++ b/compiler/rustc_session/src/utils.rs @@ -53,6 +53,17 @@ impl NativeLibKind { NativeLibKind::RawDylib | NativeLibKind::Unspecified | NativeLibKind::LinkArg => false, } } + + pub fn is_statically_included(&self) -> bool { + matches!(self, NativeLibKind::Static { .. }) + } + + pub fn is_dllimport(&self) -> bool { + matches!( + self, + NativeLibKind::Dylib { .. } | NativeLibKind::RawDylib | NativeLibKind::Unspecified + ) + } } #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)] diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index 91eef647713..842aa98bc9e 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -1631,10 +1631,7 @@ impl SourceFile { /// number. If the source_file is empty or the position is located before the /// first line, `None` is returned. pub fn lookup_line(&self, pos: BytePos) -> Option<usize> { - self.lines(|lines| match lines.partition_point(|x| x <= &pos) { - 0 => None, - i => Some(i - 1), - }) + self.lines(|lines| lines.partition_point(|x| x <= &pos).checked_sub(1)) } pub fn line_bounds(&self, line_index: usize) -> Range<BytePos> { diff --git a/compiler/rustc_span/src/source_map.rs b/compiler/rustc_span/src/source_map.rs index 506ce6955d3..f9566eeee94 100644 --- a/compiler/rustc_span/src/source_map.rs +++ b/compiler/rustc_span/src/source_map.rs @@ -877,6 +877,26 @@ impl SourceMap { Span::new(BytePos(start_of_next_point), end_of_next_point, sp.ctxt(), None) } + /// Returns a new span to check next none-whitespace character or some specified expected character + /// If `expect` is none, the first span of non-whitespace character is returned. + /// If `expect` presented, the first span of the character `expect` is returned + /// Otherwise, the span reached to limit is returned. + pub fn span_look_ahead(&self, span: Span, expect: Option<&str>, limit: Option<usize>) -> Span { + let mut sp = span; + for _ in 0..limit.unwrap_or(100 as usize) { + sp = self.next_point(sp); + if let Ok(ref snippet) = self.span_to_snippet(sp) { + if expect.map_or(false, |es| snippet == es) { + break; + } + if expect.is_none() && snippet.chars().any(|c| !c.is_whitespace()) { + break; + } + } + } + sp + } + /// Finds the width of the character, either before or after the end of provided span, /// depending on the `forwards` parameter. fn find_width_of_character_at_span(&self, sp: Span, forwards: bool) -> u32 { diff --git a/compiler/rustc_symbol_mangling/src/errors.rs b/compiler/rustc_symbol_mangling/src/errors.rs index eb487a03c93..f4d0751f753 100644 --- a/compiler/rustc_symbol_mangling/src/errors.rs +++ b/compiler/rustc_symbol_mangling/src/errors.rs @@ -5,7 +5,7 @@ use rustc_macros::Diagnostic; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(symbol_mangling::test_output)] +#[diag(symbol_mangling_test_output)] pub struct TestOutput { #[primary_span] pub span: Span, diff --git a/compiler/rustc_trait_selection/src/errors.rs b/compiler/rustc_trait_selection/src/errors.rs index 61793468594..7f870582444 100644 --- a/compiler/rustc_trait_selection/src/errors.rs +++ b/compiler/rustc_trait_selection/src/errors.rs @@ -5,7 +5,7 @@ use rustc_session::Limit; use rustc_span::{Span, Symbol}; #[derive(Diagnostic)] -#[diag(trait_selection::dump_vtable_entries)] +#[diag(trait_selection_dump_vtable_entries)] pub struct DumpVTableEntries<'a> { #[primary_span] pub span: Span, @@ -14,7 +14,7 @@ pub struct DumpVTableEntries<'a> { } #[derive(Diagnostic)] -#[diag(trait_selection::unable_to_construct_constant_value)] +#[diag(trait_selection_unable_to_construct_constant_value)] pub struct UnableToConstructConstantValue<'a> { #[primary_span] pub span: Span, @@ -23,7 +23,7 @@ pub struct UnableToConstructConstantValue<'a> { #[derive(Diagnostic)] #[help] -#[diag(trait_selection::auto_deref_reached_recursion_limit, code = "E0055")] +#[diag(trait_selection_auto_deref_reached_recursion_limit, code = "E0055")] pub struct AutoDerefReachedRecursionLimit<'a> { #[primary_span] #[label] @@ -34,7 +34,7 @@ pub struct AutoDerefReachedRecursionLimit<'a> { } #[derive(Diagnostic)] -#[diag(trait_selection::empty_on_clause_in_rustc_on_unimplemented, code = "E0232")] +#[diag(trait_selection_empty_on_clause_in_rustc_on_unimplemented, code = "E0232")] pub struct EmptyOnClauseInOnUnimplemented { #[primary_span] #[label] @@ -42,7 +42,7 @@ pub struct EmptyOnClauseInOnUnimplemented { } #[derive(Diagnostic)] -#[diag(trait_selection::invalid_on_clause_in_rustc_on_unimplemented, code = "E0232")] +#[diag(trait_selection_invalid_on_clause_in_rustc_on_unimplemented, code = "E0232")] pub struct InvalidOnClauseInOnUnimplemented { #[primary_span] #[label] @@ -50,7 +50,7 @@ pub struct InvalidOnClauseInOnUnimplemented { } #[derive(Diagnostic)] -#[diag(trait_selection::no_value_in_rustc_on_unimplemented, code = "E0232")] +#[diag(trait_selection_no_value_in_rustc_on_unimplemented, code = "E0232")] #[note] pub struct NoValueInOnUnimplemented { #[primary_span] @@ -71,7 +71,7 @@ impl IntoDiagnostic<'_> for NegativePositiveConflict<'_> { self, handler: &Handler, ) -> rustc_errors::DiagnosticBuilder<'_, ErrorGuaranteed> { - let mut diag = handler.struct_err(fluent::trait_selection::negative_positive_conflict); + let mut diag = handler.struct_err(fluent::trait_selection_negative_positive_conflict); diag.set_arg("trait_desc", self.trait_desc); diag.set_arg( "self_desc", @@ -81,19 +81,19 @@ impl IntoDiagnostic<'_> for NegativePositiveConflict<'_> { diag.code(rustc_errors::error_code!(E0751)); match self.negative_impl_span { Ok(span) => { - diag.span_label(span, fluent::trait_selection::negative_implementation_here); + diag.span_label(span, fluent::negative_implementation_here); } Err(cname) => { - diag.note(fluent::trait_selection::negative_implementation_in_crate); + diag.note(fluent::negative_implementation_in_crate); diag.set_arg("negative_impl_cname", cname.to_string()); } } match self.positive_impl_span { Ok(span) => { - diag.span_label(span, fluent::trait_selection::positive_implementation_here); + diag.span_label(span, fluent::positive_implementation_here); } Err(cname) => { - diag.note(fluent::trait_selection::positive_implementation_in_crate); + diag.note(fluent::positive_implementation_in_crate); diag.set_arg("positive_impl_cname", cname.to_string()); } } diff --git a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs index b06f24ddf2e..84038625fb2 100644 --- a/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs +++ b/compiler/rustc_trait_selection/src/traits/const_evaluatable.rs @@ -9,14 +9,12 @@ //! `thir_abstract_const` which can then be checked for structural equality with other //! generic constants mentioned in the `caller_bounds` of the current environment. use rustc_errors::ErrorGuaranteed; -use rustc_hir::def::DefKind; use rustc_infer::infer::InferCtxt; use rustc_middle::mir::interpret::ErrorHandled; use rustc_middle::ty::abstract_const::{ walk_abstract_const, AbstractConst, FailureKind, Node, NotConstEvaluatable, }; use rustc_middle::ty::{self, TyCtxt, TypeVisitable}; -use rustc_session::lint; use rustc_span::Span; use std::iter; @@ -161,11 +159,20 @@ pub fn try_unify_abstract_consts<'tcx>( #[instrument(skip(infcx), level = "debug")] pub fn is_const_evaluatable<'tcx>( infcx: &InferCtxt<'tcx>, - uv: ty::UnevaluatedConst<'tcx>, + ct: ty::Const<'tcx>, param_env: ty::ParamEnv<'tcx>, span: Span, ) -> Result<(), NotConstEvaluatable> { let tcx = infcx.tcx; + let uv = match ct.kind() { + ty::ConstKind::Unevaluated(uv) => uv, + ty::ConstKind::Param(_) + | ty::ConstKind::Bound(_, _) + | ty::ConstKind::Placeholder(_) + | ty::ConstKind::Value(_) + | ty::ConstKind::Error(_) => return Ok(()), + ty::ConstKind::Infer(_) => return Err(NotConstEvaluatable::MentionsInfer), + }; if tcx.features().generic_const_exprs { if let Some(ct) = AbstractConst::new(tcx, uv)? { @@ -253,25 +260,7 @@ pub fn is_const_evaluatable<'tcx>( Err(NotConstEvaluatable::Error(reported)) } Err(ErrorHandled::Reported(e)) => Err(NotConstEvaluatable::Error(e)), - Ok(_) => { - if uv.substs.has_non_region_param() { - assert!(matches!(infcx.tcx.def_kind(uv.def.did), DefKind::AnonConst)); - let mir_body = infcx.tcx.mir_for_ctfe_opt_const_arg(uv.def); - - if mir_body.is_polymorphic { - let Some(local_def_id) = uv.def.did.as_local() else { return Ok(()) }; - tcx.struct_span_lint_hir( - lint::builtin::CONST_EVALUATABLE_UNCHECKED, - tcx.hir().local_def_id_to_hir_id(local_def_id), - span, - "cannot use constants which depend on generic parameters in types", - |err| err - ) - } - } - - Ok(()) - }, + Ok(_) => Ok(()), } } } @@ -285,7 +274,7 @@ fn satisfied_from_param_env<'tcx>( for pred in param_env.caller_bounds() { match pred.kind().skip_binder() { ty::PredicateKind::ConstEvaluatable(uv) => { - if let Some(b_ct) = AbstractConst::new(tcx, uv)? { + if let Some(b_ct) = AbstractConst::from_const(tcx, uv)? { let const_unify_ctxt = ConstUnifyCtxt { tcx, param_env }; // Try to unify with each subtree in the AbstractConst to allow for diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index b7e6a564f39..1217d264a9c 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -764,6 +764,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { self.suggest_borrowing_for_object_cast(&mut err, &root_obligation, *concrete_ty, *obj_ty); } + let mut unsatisfied_const = false; if trait_predicate.is_const_if_const() && obligation.param_env.is_const() { let non_const_predicate = trait_ref.without_const(); let non_const_obligation = Obligation { @@ -773,6 +774,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { recursion_depth: obligation.recursion_depth, }; if self.predicate_may_hold(&non_const_obligation) { + unsatisfied_const = true; err.span_note( span, &format!( @@ -924,7 +926,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } } } else if !trait_ref.has_non_region_infer() - && self.predicate_can_apply(obligation.param_env, trait_ref) + && self.predicate_can_apply(obligation.param_env, trait_predicate) { // If a where-clause may be useful, remind the // user that they can add it. @@ -939,7 +941,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { None, obligation.cause.body_id, ); - } else if !suggested { + } else if !suggested && !unsatisfied_const { // Can't show anything else useful, try to find similar impls. let impl_candidates = self.find_similar_impl_candidates(trait_predicate); if !self.report_similar_impl_candidates( @@ -1304,7 +1306,10 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } match obligation.predicate.kind().skip_binder() { - ty::PredicateKind::ConstEvaluatable(uv) => { + ty::PredicateKind::ConstEvaluatable(ct) => { + let ty::ConstKind::Unevaluated(uv) = ct.kind() else { + bug!("const evaluatable failed for non-unevaluated const `{ct:?}`"); + }; let mut err = self.tcx.sess.struct_span_err(span, "unconstrained generic constant"); let const_span = self.tcx.def_span(uv.def.did); @@ -1433,7 +1438,7 @@ trait InferCtxtPrivExt<'tcx> { fn predicate_can_apply( &self, param_env: ty::ParamEnv<'tcx>, - pred: ty::PolyTraitRef<'tcx>, + pred: ty::PolyTraitPredicate<'tcx>, ) -> bool; fn note_obligation_cause(&self, err: &mut Diagnostic, obligation: &PredicateObligation<'tcx>); @@ -2368,7 +2373,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { if predicate.references_error() || self.is_tainted_by_errors() { return; } - let subst = data.substs.iter().find(|g| g.has_non_region_infer()); + let subst = data.walk().find(|g| g.is_non_region_infer()); if let Some(subst) = subst { let err = self.emit_inference_failure_err( body_id, @@ -2508,7 +2513,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { fn predicate_can_apply( &self, param_env: ty::ParamEnv<'tcx>, - pred: ty::PolyTraitRef<'tcx>, + pred: ty::PolyTraitPredicate<'tcx>, ) -> bool { struct ParamToVarFolder<'a, 'tcx> { infcx: &'a InferCtxt<'tcx>, @@ -2552,7 +2557,7 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { let obligation = Obligation::new( ObligationCause::dummy(), param_env, - cleaned_pred.without_const().to_predicate(selcx.tcx()), + cleaned_pred.to_predicate(selcx.tcx()), ); self.predicate_may_hold(&obligation) diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index d4c73427386..a417e1440b9 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -476,9 +476,7 @@ impl<'a, 'tcx> ObligationProcessor for FulfillProcessor<'a, 'tcx> { Err(NotConstEvaluatable::MentionsInfer) => { pending_obligation.stalled_on.clear(); pending_obligation.stalled_on.extend( - uv.substs - .iter() - .filter_map(TyOrConstInferVar::maybe_from_generic_arg), + uv.walk().filter_map(TyOrConstInferVar::maybe_from_generic_arg), ); ProcessResult::Unchanged } diff --git a/compiler/rustc_trait_selection/src/traits/object_safety.rs b/compiler/rustc_trait_selection/src/traits/object_safety.rs index 545524f63a7..0bb25a74dc8 100644 --- a/compiler/rustc_trait_selection/src/traits/object_safety.rs +++ b/compiler/rustc_trait_selection/src/traits/object_safety.rs @@ -837,24 +837,14 @@ fn contains_illegal_self_type_reference<'tcx, T: TypeVisitable<'tcx>>( } } - fn visit_ty_unevaluated( - &mut self, - uv: ty::UnevaluatedConst<'tcx>, - ) -> ControlFlow<Self::BreakTy> { + fn visit_const(&mut self, ct: ty::Const<'tcx>) -> ControlFlow<Self::BreakTy> { // Constants can only influence object safety if they reference `Self`. // This is only possible for unevaluated constants, so we walk these here. // - // If `AbstractConst::new` returned an error we already failed compilation + // If `AbstractConst::from_const` returned an error we already failed compilation // so we don't have to emit an additional error here. - // - // We currently recurse into abstract consts here but do not recurse in - // `is_const_evaluatable`. This means that the object safety check is more - // liberal than the const eval check. - // - // This shouldn't really matter though as we can't really use any - // constants which are not considered const evaluatable. use rustc_middle::ty::abstract_const::Node; - if let Ok(Some(ct)) = AbstractConst::new(self.tcx, uv) { + if let Ok(Some(ct)) = AbstractConst::from_const(self.tcx, ct) { walk_abstract_const(self.tcx, ct, |node| match node.root(self.tcx) { Node::Leaf(leaf) => self.visit_const(leaf), Node::Cast(_, _, ty) => self.visit_ty(ty), @@ -863,7 +853,7 @@ fn contains_illegal_self_type_reference<'tcx, T: TypeVisitable<'tcx>>( } }) } else { - ControlFlow::CONTINUE + ct.super_visit_with(self) } } } diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 693c1728931..c8276854016 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -264,7 +264,7 @@ fn project_and_unify_type<'cx, 'tcx>( }; debug!(?normalized, ?obligations, "project_and_unify_type result"); let actual = obligation.predicate.term; - // For an example where this is neccessary see src/test/ui/impl-trait/nested-return-type2.rs + // For an example where this is necessary see src/test/ui/impl-trait/nested-return-type2.rs // This allows users to omit re-mentioning all bounds on an associated type and just use an // `impl Trait` for the assoc type to add more bounds. let InferOk { value: actual, obligations: new } = diff --git a/compiler/rustc_trait_selection/src/traits/query/normalize.rs b/compiler/rustc_trait_selection/src/traits/query/normalize.rs index aa8094a60dd..715f5be8e2f 100644 --- a/compiler/rustc_trait_selection/src/traits/query/normalize.rs +++ b/compiler/rustc_trait_selection/src/traits/query/normalize.rs @@ -14,6 +14,7 @@ use rustc_infer::traits::Normalized; use rustc_middle::ty::fold::{FallibleTypeFolder, TypeFoldable, TypeSuperFoldable}; use rustc_middle::ty::visit::{TypeSuperVisitable, TypeVisitable}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitor}; +use rustc_span::DUMMY_SP; use std::ops::ControlFlow; @@ -253,7 +254,15 @@ impl<'cx, 'tcx> FallibleTypeFolder<'tcx> for QueryNormalizer<'cx, 'tcx> { let result = tcx.normalize_projection_ty(c_data)?; // We don't expect ambiguity. if result.is_ambiguous() { - bug!("unexpected ambiguity: {:?} {:?}", c_data, result); + // Rustdoc normalizes possibly not well-formed types, so only + // treat this as a bug if we're not in rustdoc. + if !tcx.sess.opts.actually_rustdoc { + tcx.sess.delay_span_bug( + DUMMY_SP, + format!("unexpected ambiguity: {:?} {:?}", c_data, result), + ); + } + return Err(NoSolution); } let InferOk { value: result, obligations } = self.infcx.instantiate_query_response_and_region_obligations( @@ -296,7 +305,15 @@ impl<'cx, 'tcx> FallibleTypeFolder<'tcx> for QueryNormalizer<'cx, 'tcx> { let result = tcx.normalize_projection_ty(c_data)?; // We don't expect ambiguity. if result.is_ambiguous() { - bug!("unexpected ambiguity: {:?} {:?}", c_data, result); + // Rustdoc normalizes possibly not well-formed types, so only + // treat this as a bug if we're not in rustdoc. + if !tcx.sess.opts.actually_rustdoc { + tcx.sess.delay_span_bug( + DUMMY_SP, + format!("unexpected ambiguity: {:?} {:?}", c_data, result), + ); + } + return Err(NoSolution); } let InferOk { value: result, obligations } = self.infcx.instantiate_query_response_and_region_obligations( diff --git a/compiler/rustc_trait_selection/src/traits/wf.rs b/compiler/rustc_trait_selection/src/traits/wf.rs index 635cdde0e8e..0870833cc35 100644 --- a/compiler/rustc_trait_selection/src/traits/wf.rs +++ b/compiler/rustc_trait_selection/src/traits/wf.rs @@ -148,13 +148,8 @@ pub fn predicate_obligations<'tcx>( wf.compute(a.into()); wf.compute(b.into()); } - ty::PredicateKind::ConstEvaluatable(uv) => { - let obligations = wf.nominal_obligations(uv.def.did, uv.substs); - wf.out.extend(obligations); - - for arg in uv.substs.iter() { - wf.compute(arg); - } + ty::PredicateKind::ConstEvaluatable(ct) => { + wf.compute(ct.into()); } ty::PredicateKind::ConstEquate(c1, c2) => { wf.compute(c1.into()); @@ -476,14 +471,14 @@ impl<'tcx> WfPredicates<'tcx> { // obligations are handled by the parent (e.g. `ty::Ref`). GenericArgKind::Lifetime(_) => continue, - GenericArgKind::Const(constant) => { - match constant.kind() { + GenericArgKind::Const(ct) => { + match ct.kind() { ty::ConstKind::Unevaluated(uv) => { let obligations = self.nominal_obligations(uv.def.did, uv.substs); self.out.extend(obligations); let predicate = - ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(uv)) + ty::Binder::dummy(ty::PredicateKind::ConstEvaluatable(ct)) .to_predicate(self.tcx()); let cause = self.cause(traits::WellFormed(None)); self.out.push(traits::Obligation::with_depth( @@ -500,7 +495,7 @@ impl<'tcx> WfPredicates<'tcx> { cause, self.recursion_depth, self.param_env, - ty::Binder::dummy(ty::PredicateKind::WellFormed(constant.into())) + ty::Binder::dummy(ty::PredicateKind::WellFormed(ct.into())) .to_predicate(self.tcx()), )); } diff --git a/compiler/rustc_ty_utils/src/abi.rs b/compiler/rustc_ty_utils/src/abi.rs index 6e34ee21082..73c7eb6992f 100644 --- a/compiler/rustc_ty_utils/src/abi.rs +++ b/compiler/rustc_ty_utils/src/abi.rs @@ -4,6 +4,7 @@ use rustc_middle::ty::layout::{ fn_can_unwind, FnAbiError, HasParamEnv, HasTyCtxt, LayoutCx, LayoutOf, TyAndLayout, }; use rustc_middle::ty::{self, Ty, TyCtxt}; +use rustc_session::config::OptLevel; use rustc_span::def_id::DefId; use rustc_target::abi::call::{ ArgAbi, ArgAttribute, ArgAttributes, ArgExtension, Conv, FnAbi, PassMode, Reg, RegKind, @@ -384,7 +385,7 @@ fn fn_abi_new_uncached<'tcx>( conv, can_unwind: fn_can_unwind(cx.tcx(), fn_def_id, sig.abi), }; - fn_abi_adjust_for_abi(cx, &mut fn_abi, sig.abi)?; + fn_abi_adjust_for_abi(cx, &mut fn_abi, sig.abi, fn_def_id)?; debug!("fn_abi_new_uncached = {:?}", fn_abi); Ok(cx.tcx.arena.alloc(fn_abi)) } @@ -394,6 +395,7 @@ fn fn_abi_adjust_for_abi<'tcx>( cx: &LayoutCx<'tcx, TyCtxt<'tcx>>, fn_abi: &mut FnAbi<'tcx, Ty<'tcx>>, abi: SpecAbi, + fn_def_id: Option<DefId>, ) -> Result<(), FnAbiError<'tcx>> { if abi == SpecAbi::Unadjusted { return Ok(()); @@ -404,7 +406,18 @@ fn fn_abi_adjust_for_abi<'tcx>( || abi == SpecAbi::RustIntrinsic || abi == SpecAbi::PlatformIntrinsic { - let fixup = |arg: &mut ArgAbi<'tcx, Ty<'tcx>>| { + // Look up the deduced parameter attributes for this function, if we have its def ID and + // we're optimizing in non-incremental mode. We'll tag its parameters with those attributes + // as appropriate. + let deduced_param_attrs = if cx.tcx.sess.opts.optimize != OptLevel::No + && cx.tcx.sess.opts.incremental.is_none() + { + fn_def_id.map(|fn_def_id| cx.tcx.deduced_param_attrs(fn_def_id)).unwrap_or_default() + } else { + &[] + }; + + let fixup = |arg: &mut ArgAbi<'tcx, Ty<'tcx>>, arg_idx: Option<usize>| { if arg.is_ignore() { return; } @@ -451,10 +464,30 @@ fn fn_abi_adjust_for_abi<'tcx>( // so we pick an appropriately sized integer type instead. arg.cast_to(Reg { kind: RegKind::Integer, size }); } + + // If we deduced that this parameter was read-only, add that to the attribute list now. + // + // The `readonly` parameter only applies to pointers, so we can only do this if the + // argument was passed indirectly. (If the argument is passed directly, it's an SSA + // value, so it's implicitly immutable.) + if let (Some(arg_idx), &mut PassMode::Indirect { ref mut attrs, .. }) = + (arg_idx, &mut arg.mode) + { + // The `deduced_param_attrs` list could be empty if this is a type of function + // we can't deduce any parameters for, so make sure the argument index is in + // bounds. + if let Some(deduced_param_attrs) = deduced_param_attrs.get(arg_idx) { + if deduced_param_attrs.read_only { + attrs.regular.insert(ArgAttribute::ReadOnly); + debug!("added deduced read-only attribute"); + } + } + } }; - fixup(&mut fn_abi.ret); - for arg in fn_abi.args.iter_mut() { - fixup(arg); + + fixup(&mut fn_abi.ret, None); + for (arg_idx, arg) in fn_abi.args.iter_mut().enumerate() { + fixup(arg, Some(arg_idx)); } } else { fn_abi.adjust_for_foreign_abi(cx, abi)?; diff --git a/compiler/rustc_ty_utils/src/errors.rs b/compiler/rustc_ty_utils/src/errors.rs index 753c474a34b..c05eeb353a8 100644 --- a/compiler/rustc_ty_utils/src/errors.rs +++ b/compiler/rustc_ty_utils/src/errors.rs @@ -5,18 +5,18 @@ use rustc_middle::ty::Ty; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(ty_utils::needs_drop_overflow)] +#[diag(ty_utils_needs_drop_overflow)] pub struct NeedsDropOverflow<'tcx> { pub query_ty: Ty<'tcx>, } #[derive(Diagnostic)] -#[diag(ty_utils::generic_constant_too_complex)] +#[diag(ty_utils_generic_constant_too_complex)] #[help] pub struct GenericConstantTooComplex { #[primary_span] pub span: Span, - #[note(ty_utils::maybe_supported)] + #[note(maybe_supported)] pub maybe_supported: Option<()>, #[subdiagnostic] pub sub: GenericConstantTooComplexSub, @@ -24,46 +24,46 @@ pub struct GenericConstantTooComplex { #[derive(Subdiagnostic)] pub enum GenericConstantTooComplexSub { - #[label(ty_utils::borrow_not_supported)] + #[label(ty_utils_borrow_not_supported)] BorrowNotSupported(#[primary_span] Span), - #[label(ty_utils::address_and_deref_not_supported)] + #[label(ty_utils_address_and_deref_not_supported)] AddressAndDerefNotSupported(#[primary_span] Span), - #[label(ty_utils::array_not_supported)] + #[label(ty_utils_array_not_supported)] ArrayNotSupported(#[primary_span] Span), - #[label(ty_utils::block_not_supported)] + #[label(ty_utils_block_not_supported)] BlockNotSupported(#[primary_span] Span), - #[label(ty_utils::never_to_any_not_supported)] + #[label(ty_utils_never_to_any_not_supported)] NeverToAnyNotSupported(#[primary_span] Span), - #[label(ty_utils::tuple_not_supported)] + #[label(ty_utils_tuple_not_supported)] TupleNotSupported(#[primary_span] Span), - #[label(ty_utils::index_not_supported)] + #[label(ty_utils_index_not_supported)] IndexNotSupported(#[primary_span] Span), - #[label(ty_utils::field_not_supported)] + #[label(ty_utils_field_not_supported)] FieldNotSupported(#[primary_span] Span), - #[label(ty_utils::const_block_not_supported)] + #[label(ty_utils_const_block_not_supported)] ConstBlockNotSupported(#[primary_span] Span), - #[label(ty_utils::adt_not_supported)] + #[label(ty_utils_adt_not_supported)] AdtNotSupported(#[primary_span] Span), - #[label(ty_utils::pointer_not_supported)] + #[label(ty_utils_pointer_not_supported)] PointerNotSupported(#[primary_span] Span), - #[label(ty_utils::yield_not_supported)] + #[label(ty_utils_yield_not_supported)] YieldNotSupported(#[primary_span] Span), - #[label(ty_utils::loop_not_supported)] + #[label(ty_utils_loop_not_supported)] LoopNotSupported(#[primary_span] Span), - #[label(ty_utils::box_not_supported)] + #[label(ty_utils_box_not_supported)] BoxNotSupported(#[primary_span] Span), - #[label(ty_utils::binary_not_supported)] + #[label(ty_utils_binary_not_supported)] BinaryNotSupported(#[primary_span] Span), - #[label(ty_utils::logical_op_not_supported)] + #[label(ty_utils_logical_op_not_supported)] LogicalOpNotSupported(#[primary_span] Span), - #[label(ty_utils::assign_not_supported)] + #[label(ty_utils_assign_not_supported)] AssignNotSupported(#[primary_span] Span), - #[label(ty_utils::closure_and_return_not_supported)] + #[label(ty_utils_closure_and_return_not_supported)] ClosureAndReturnNotSupported(#[primary_span] Span), - #[label(ty_utils::control_flow_not_supported)] + #[label(ty_utils_control_flow_not_supported)] ControlFlowNotSupported(#[primary_span] Span), - #[label(ty_utils::inline_asm_not_supported)] + #[label(ty_utils_inline_asm_not_supported)] InlineAsmNotSupported(#[primary_span] Span), - #[label(ty_utils::operation_not_supported)] + #[label(ty_utils_operation_not_supported)] OperationNotSupported(#[primary_span] Span), } diff --git a/config.toml.example b/config.toml.example index 1f5747456e9..a46813e4d7a 100644 --- a/config.toml.example +++ b/config.toml.example @@ -638,6 +638,11 @@ changelog-seen = 2 # If an explicit setting is given, it will be used for all parts of the codebase. #new-symbol-mangling = true|false (see comment) +# Select LTO mode that will be used for compiling rustc. By default, thin local LTO +# (LTO within a single crate) is used (like for any Rust crate). You can also select +# "thin" or "fat" to apply Thin/Fat LTO to the `rustc_driver` dylib. +#lto = "thin-local" + # ============================================================================= # Options for specific targets # diff --git a/library/alloc/src/borrow.rs b/library/alloc/src/borrow.rs index 904a53bb4ac..83a1385599b 100644 --- a/library/alloc/src/borrow.rs +++ b/library/alloc/src/borrow.rs @@ -21,7 +21,6 @@ use Cow::*; impl<'a, B: ?Sized> Borrow<B> for Cow<'a, B> where B: ToOwned, - <B as ToOwned>::Owned: 'a, { fn borrow(&self) -> &B { &**self diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 6d247681c66..9c229665c7e 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -1386,7 +1386,7 @@ impl<T: ?Sized> Rc<T> { Self::allocate_for_layout( Layout::for_value(&*ptr), |layout| Global.allocate(layout), - |mem| mem.with_metadata_of(ptr as *mut RcBox<T>), + |mem| mem.with_metadata_of(ptr as *const RcBox<T>), ) } } diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs index 983376a282b..c436adf7006 100644 --- a/library/alloc/src/string.rs +++ b/library/alloc/src/string.rs @@ -67,7 +67,7 @@ use core::str::Utf8Chunks; use crate::borrow::{Cow, ToOwned}; use crate::boxed::Box; use crate::collections::TryReserveError; -use crate::str::{self, Chars, Utf8Error}; +use crate::str::{self, from_utf8_unchecked_mut, Chars, Utf8Error}; #[cfg(not(no_global_oom_handling))] use crate::str::{from_boxed_utf8_unchecked, FromStr}; use crate::vec::Vec; @@ -1849,6 +1849,35 @@ impl String { let slice = self.vec.into_boxed_slice(); unsafe { from_boxed_utf8_unchecked(slice) } } + + /// Consumes and leaks the `String`, returning a mutable reference to the contents, + /// `&'static mut str`. + /// + /// This is mainly useful for data that lives for the remainder of + /// the program's life. Dropping the returned reference will cause a memory + /// leak. + /// + /// It does not reallocate or shrink the `String`, + /// so the leaked allocation may include unused capacity that is not part + /// of the returned slice. + /// + /// # Examples + /// + /// Simple usage: + /// + /// ``` + /// #![feature(string_leak)] + /// + /// let x = String::from("bucket"); + /// let static_ref: &'static mut str = x.leak(); + /// assert_eq!(static_ref, "bucket"); + /// ``` + #[unstable(feature = "string_leak", issue = "102929")] + #[inline] + pub fn leak(self) -> &'static mut str { + let slice = self.vec.leak(); + unsafe { from_utf8_unchecked_mut(slice) } + } } impl FromUtf8Error { diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index df315dad893..e8d9de4fb3c 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -1204,7 +1204,7 @@ impl<T: ?Sized> Arc<T> { Self::allocate_for_layout( Layout::for_value(&*ptr), |layout| Global.allocate(layout), - |mem| mem.with_metadata_of(ptr as *mut ArcInner<T>), + |mem| mem.with_metadata_of(ptr as *const ArcInner<T>), ) } } diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index b5b2eb0ece0..bbbdc3aa2a2 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -868,13 +868,14 @@ impl<T, A: Allocator> Vec<T, A> { (ptr, len, capacity, alloc) } - /// Returns the number of elements the vector can hold without + /// Returns the total number of elements the vector can hold without /// reallocating. /// /// # Examples /// /// ``` - /// let vec: Vec<i32> = Vec::with_capacity(10); + /// let mut vec: Vec<i32> = Vec::with_capacity(10); + /// vec.push(42); /// assert_eq!(vec.capacity(), 10); /// ``` #[inline] @@ -1999,9 +2000,7 @@ impl<T, A: Allocator> Vec<T, A> { unsafe { // set self.vec length's to start, to be safe in case Drain is leaked self.set_len(start); - // Use the borrow in the IterMut to indicate borrowing behavior of the - // whole Drain iterator (like &mut T). - let range_slice = slice::from_raw_parts_mut(self.as_mut_ptr().add(start), end - start); + let range_slice = slice::from_raw_parts(self.as_ptr().add(start), end - start); Drain { tail_start: end, tail_len: len - end, diff --git a/library/core/src/array/mod.rs b/library/core/src/array/mod.rs index 04dd821efde..eae0e1c7618 100644 --- a/library/core/src/array/mod.rs +++ b/library/core/src/array/mod.rs @@ -32,6 +32,10 @@ pub use iter::IntoIter; /// # Example /// /// ```rust +/// // type inference is helping us here, the way `from_fn` knows how many +/// // elements to produce is the length of array down there: only arrays of +/// // equal lengths can be compared, so the const generic parameter `N` is +/// // inferred to be 5, thus creating array of 5 elements. /// let array = core::array::from_fn(|i| i); /// assert_eq!(array, [0, 1, 2, 3, 4]); /// ``` diff --git a/library/core/src/error.rs b/library/core/src/error.rs index 4a8efe15e59..89053060fbb 100644 --- a/library/core/src/error.rs +++ b/library/core/src/error.rs @@ -493,8 +493,8 @@ impl Error for crate::char::ParseCharError { } } -#[unstable(feature = "duration_checked_float", issue = "83400")] -impl Error for crate::time::FromFloatSecsError {} +#[stable(feature = "duration_checked_float", since = "CURRENT_RUSTC_VERSION")] +impl Error for crate::time::TryFromFloatSecsError {} #[stable(feature = "frombyteswithnulerror_impls", since = "1.17.0")] impl Error for crate::ffi::FromBytesWithNulError { diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 2fd8180f8b2..9cbfbbb9f39 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -174,6 +174,7 @@ #![feature(allow_internal_unstable)] #![feature(associated_type_bounds)] #![feature(auto_traits)] +#![feature(c_unwind)] #![feature(cfg_sanitize)] #![feature(cfg_target_has_atomic)] #![feature(cfg_target_has_atomic_equal_alignment)] diff --git a/library/core/src/mem/maybe_uninit.rs b/library/core/src/mem/maybe_uninit.rs index efad9a9391b..7757c95de9d 100644 --- a/library/core/src/mem/maybe_uninit.rs +++ b/library/core/src/mem/maybe_uninit.rs @@ -146,7 +146,6 @@ use crate::slice; /// /// ``` /// use std::mem::MaybeUninit; -/// use std::ptr; /// /// // Create an uninitialized array of `MaybeUninit`. The `assume_init` is /// // safe because the type we are claiming to have initialized here is a @@ -162,7 +161,7 @@ use crate::slice; /// /// // For each item in the array, drop if we allocated it. /// for elem in &mut data[0..data_len] { -/// unsafe { ptr::drop_in_place(elem.as_mut_ptr()); } +/// unsafe { elem.assume_init_drop(); } /// } /// ``` /// diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 4b57371096e..a81dbc6924f 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -1713,8 +1713,6 @@ impl<T, U> Option<(T, U)> { /// # Examples /// /// ``` - /// #![feature(unzip_option)] - /// /// let x = Some((1, "hi")); /// let y = None::<(u8, u32)>; /// @@ -1722,8 +1720,13 @@ impl<T, U> Option<(T, U)> { /// assert_eq!(y.unzip(), (None, None)); /// ``` #[inline] - #[unstable(feature = "unzip_option", issue = "87800", reason = "recently added")] - pub const fn unzip(self) -> (Option<T>, Option<U>) { + #[stable(feature = "unzip_option", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_unstable(feature = "const_option", issue = "67441")] + pub const fn unzip(self) -> (Option<T>, Option<U>) + where + T: ~const Destruct, + U: ~const Destruct, + { match self { Some((a, b)) => (Some(a), Some(b)), None => (None, None), diff --git a/library/core/src/ptr/metadata.rs b/library/core/src/ptr/metadata.rs index 8865c834c88..caa10f1818b 100644 --- a/library/core/src/ptr/metadata.rs +++ b/library/core/src/ptr/metadata.rs @@ -135,16 +135,16 @@ pub const fn from_raw_parts_mut<T: ?Sized>( } #[repr(C)] -pub(crate) union PtrRepr<T: ?Sized> { - pub(crate) const_ptr: *const T, - pub(crate) mut_ptr: *mut T, - pub(crate) components: PtrComponents<T>, +union PtrRepr<T: ?Sized> { + const_ptr: *const T, + mut_ptr: *mut T, + components: PtrComponents<T>, } #[repr(C)] -pub(crate) struct PtrComponents<T: ?Sized> { - pub(crate) data_address: *const (), - pub(crate) metadata: <T as Pointee>::Metadata, +struct PtrComponents<T: ?Sized> { + data_address: *const (), + metadata: <T as Pointee>::Metadata, } // Manual impl needed to avoid `T: Copy` bound. diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 1f7cf6e5d05..cfffe351a87 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -394,7 +394,6 @@ pub use crate::intrinsics::copy; pub use crate::intrinsics::write_bytes; mod metadata; -pub(crate) use metadata::PtrRepr; #[unstable(feature = "ptr_metadata", issue = "81513")] pub use metadata::{from_raw_parts, from_raw_parts_mut, metadata, DynMetadata, Pointee, Thin}; @@ -1862,9 +1861,16 @@ macro_rules! maybe_fnptr_doc { // Impls for function pointers macro_rules! fnptr_impls_safety_abi { ($FnTy: ty, $($Arg: ident),*) => { + fnptr_impls_safety_abi! { #[stable(feature = "fnptr_impls", since = "1.4.0")] $FnTy, $($Arg),* } + }; + (@c_unwind $FnTy: ty, $($Arg: ident),*) => { + #[cfg(not(bootstrap))] + fnptr_impls_safety_abi! { #[unstable(feature = "c_unwind", issue = "74990")] $FnTy, $($Arg),* } + }; + (#[$meta:meta] $FnTy: ty, $($Arg: ident),*) => { maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> PartialEq for $FnTy { #[inline] fn eq(&self, other: &Self) -> bool { @@ -1875,13 +1881,13 @@ macro_rules! fnptr_impls_safety_abi { maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> Eq for $FnTy {} } maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> PartialOrd for $FnTy { #[inline] fn partial_cmp(&self, other: &Self) -> Option<Ordering> { @@ -1892,7 +1898,7 @@ macro_rules! fnptr_impls_safety_abi { maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> Ord for $FnTy { #[inline] fn cmp(&self, other: &Self) -> Ordering { @@ -1903,7 +1909,7 @@ macro_rules! fnptr_impls_safety_abi { maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> hash::Hash for $FnTy { fn hash<HH: hash::Hasher>(&self, state: &mut HH) { state.write_usize(*self as usize) @@ -1913,7 +1919,7 @@ macro_rules! fnptr_impls_safety_abi { maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> fmt::Pointer for $FnTy { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::pointer_fmt_inner(*self as usize, f) @@ -1923,7 +1929,7 @@ macro_rules! fnptr_impls_safety_abi { maybe_fnptr_doc! { $($Arg)* @ - #[stable(feature = "fnptr_impls", since = "1.4.0")] + #[$meta] impl<Ret, $($Arg),*> fmt::Debug for $FnTy { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::pointer_fmt_inner(*self as usize, f) @@ -1938,16 +1944,22 @@ macro_rules! fnptr_impls_args { fnptr_impls_safety_abi! { extern "Rust" fn($($Arg),+) -> Ret, $($Arg),+ } fnptr_impls_safety_abi! { extern "C" fn($($Arg),+) -> Ret, $($Arg),+ } fnptr_impls_safety_abi! { extern "C" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } + fnptr_impls_safety_abi! { @c_unwind extern "C-unwind" fn($($Arg),+) -> Ret, $($Arg),+ } + fnptr_impls_safety_abi! { @c_unwind extern "C-unwind" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } fnptr_impls_safety_abi! { unsafe extern "Rust" fn($($Arg),+) -> Ret, $($Arg),+ } fnptr_impls_safety_abi! { unsafe extern "C" fn($($Arg),+) -> Ret, $($Arg),+ } fnptr_impls_safety_abi! { unsafe extern "C" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } + fnptr_impls_safety_abi! { @c_unwind unsafe extern "C-unwind" fn($($Arg),+) -> Ret, $($Arg),+ } + fnptr_impls_safety_abi! { @c_unwind unsafe extern "C-unwind" fn($($Arg),+ , ...) -> Ret, $($Arg),+ } }; () => { // No variadic functions with 0 parameters fnptr_impls_safety_abi! { extern "Rust" fn() -> Ret, } fnptr_impls_safety_abi! { extern "C" fn() -> Ret, } + fnptr_impls_safety_abi! { @c_unwind extern "C-unwind" fn() -> Ret, } fnptr_impls_safety_abi! { unsafe extern "Rust" fn() -> Ret, } fnptr_impls_safety_abi! { unsafe extern "C" fn() -> Ret, } + fnptr_impls_safety_abi! { @c_unwind unsafe extern "C-unwind" fn() -> Ret, } }; } diff --git a/library/core/src/ptr/mut_ptr.rs b/library/core/src/ptr/mut_ptr.rs index bbcc7c699e0..0bb2566fd4c 100644 --- a/library/core/src/ptr/mut_ptr.rs +++ b/library/core/src/ptr/mut_ptr.rs @@ -80,10 +80,14 @@ impl<T: ?Sized> *mut T { #[unstable(feature = "set_ptr_value", issue = "75091")] #[must_use = "returns a new pointer rather than modifying its argument"] #[inline] - pub fn with_metadata_of<U>(self, mut val: *mut U) -> *mut U + pub fn with_metadata_of<U>(self, val: *const U) -> *mut U where U: ?Sized, { + // Prepare in the type system that we will replace the pointer value with a mutable + // pointer, taking the mutable provenance from the `self` pointer. + let mut val = val as *mut U; + // Pointer to the pointer value within the value. let target = &mut val as *mut *mut U as *mut *mut u8; // SAFETY: In case of a thin pointer, this operations is identical // to a simple assignment. In case of a fat pointer, with the current diff --git a/library/core/src/ptr/non_null.rs b/library/core/src/ptr/non_null.rs index f3ef094cbcc..7264d57ba6a 100644 --- a/library/core/src/ptr/non_null.rs +++ b/library/core/src/ptr/non_null.rs @@ -2,6 +2,7 @@ use crate::cmp::Ordering; use crate::convert::From; use crate::fmt; use crate::hash; +use crate::intrinsics::assert_unsafe_precondition; use crate::marker::Unsize; use crate::mem::{self, MaybeUninit}; use crate::num::NonZeroUsize; @@ -195,7 +196,10 @@ impl<T: ?Sized> NonNull<T> { #[inline] pub const unsafe fn new_unchecked(ptr: *mut T) -> Self { // SAFETY: the caller must guarantee that `ptr` is non-null. - unsafe { NonNull { pointer: ptr as _ } } + unsafe { + assert_unsafe_precondition!([T: ?Sized](ptr: *mut T) => !ptr.is_null()); + NonNull { pointer: ptr as _ } + } } /// Creates a new `NonNull` if `ptr` is non-null. diff --git a/library/core/src/slice/mod.rs b/library/core/src/slice/mod.rs index 5f1a05706f2..94ab13ed2e0 100644 --- a/library/core/src/slice/mod.rs +++ b/library/core/src/slice/mod.rs @@ -123,18 +123,11 @@ impl<T> [T] { #[lang = "slice_len_fn"] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_const_stable(feature = "const_slice_len", since = "1.39.0")] + #[rustc_allow_const_fn_unstable(ptr_metadata)] #[inline] #[must_use] - // SAFETY: const sound because we transmute out the length field as a usize (which it must be) pub const fn len(&self) -> usize { - // FIXME: Replace with `crate::ptr::metadata(self)` when that is const-stable. - // As of this writing this causes a "Const-stable functions can only call other - // const-stable functions" error. - - // SAFETY: Accessing the value from the `PtrRepr` union is safe since *const T - // and PtrComponents<T> have the same memory layouts. Only std can make this - // guarantee. - unsafe { crate::ptr::PtrRepr { const_ptr: self }.components.metadata } + ptr::metadata(self) } /// Returns `true` if the slice has a length of 0. diff --git a/library/core/src/time.rs b/library/core/src/time.rs index 7cbb477d7a3..37c3611d0a9 100644 --- a/library/core/src/time.rs +++ b/library/core/src/time.rs @@ -1225,7 +1225,6 @@ impl fmt::Debug for Duration { /// # Example /// /// ``` -/// #![feature(duration_checked_float)] /// use std::time::Duration; /// /// if let Err(e) = Duration::try_from_secs_f32(-1.0) { @@ -1233,33 +1232,33 @@ impl fmt::Debug for Duration { /// } /// ``` #[derive(Debug, Clone, PartialEq, Eq)] -#[unstable(feature = "duration_checked_float", issue = "83400")] -pub struct FromFloatSecsError { - kind: FromFloatSecsErrorKind, +#[stable(feature = "duration_checked_float", since = "CURRENT_RUSTC_VERSION")] +pub struct TryFromFloatSecsError { + kind: TryFromFloatSecsErrorKind, } -impl FromFloatSecsError { +impl TryFromFloatSecsError { const fn description(&self) -> &'static str { match self.kind { - FromFloatSecsErrorKind::Negative => { + TryFromFloatSecsErrorKind::Negative => { "can not convert float seconds to Duration: value is negative" } - FromFloatSecsErrorKind::OverflowOrNan => { + TryFromFloatSecsErrorKind::OverflowOrNan => { "can not convert float seconds to Duration: value is either too big or NaN" } } } } -#[unstable(feature = "duration_checked_float", issue = "83400")] -impl fmt::Display for FromFloatSecsError { +#[stable(feature = "duration_checked_float", since = "CURRENT_RUSTC_VERSION")] +impl fmt::Display for TryFromFloatSecsError { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { self.description().fmt(f) } } #[derive(Debug, Clone, PartialEq, Eq)] -enum FromFloatSecsErrorKind { +enum TryFromFloatSecsErrorKind { // Value is negative. Negative, // Value is either too big to be represented as `Duration` or `NaN`. @@ -1280,7 +1279,7 @@ macro_rules! try_from_secs { const EXP_MASK: $bits_ty = (1 << $exp_bits) - 1; if $secs < 0.0 { - return Err(FromFloatSecsError { kind: FromFloatSecsErrorKind::Negative }); + return Err(TryFromFloatSecsError { kind: TryFromFloatSecsErrorKind::Negative }); } let bits = $secs.to_bits(); @@ -1339,7 +1338,7 @@ macro_rules! try_from_secs { let secs = u64::from(mant) << (exp - $mant_bits); (secs, 0) } else { - return Err(FromFloatSecsError { kind: FromFloatSecsErrorKind::OverflowOrNan }); + return Err(TryFromFloatSecsError { kind: TryFromFloatSecsErrorKind::OverflowOrNan }); }; Ok(Duration::new(secs, nanos)) @@ -1355,8 +1354,6 @@ impl Duration { /// /// # Examples /// ``` - /// #![feature(duration_checked_float)] - /// /// use std::time::Duration; /// /// let res = Duration::try_from_secs_f32(0.0); @@ -1404,9 +1401,10 @@ impl Duration { /// let res = Duration::try_from_secs_f32(val); /// assert_eq!(res, Ok(Duration::new(1, 2_929_688))); /// ``` - #[unstable(feature = "duration_checked_float", issue = "83400")] + #[stable(feature = "duration_checked_float", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_unstable(feature = "duration_consts_float", issue = "72440")] #[inline] - pub const fn try_from_secs_f32(secs: f32) -> Result<Duration, FromFloatSecsError> { + pub const fn try_from_secs_f32(secs: f32) -> Result<Duration, TryFromFloatSecsError> { try_from_secs!( secs = secs, mantissa_bits = 23, @@ -1425,8 +1423,6 @@ impl Duration { /// /// # Examples /// ``` - /// #![feature(duration_checked_float)] - /// /// use std::time::Duration; /// /// let res = Duration::try_from_secs_f64(0.0); @@ -1482,9 +1478,10 @@ impl Duration { /// let res = Duration::try_from_secs_f64(val); /// assert_eq!(res, Ok(Duration::new(1, 2_929_688))); /// ``` - #[unstable(feature = "duration_checked_float", issue = "83400")] + #[stable(feature = "duration_checked_float", since = "CURRENT_RUSTC_VERSION")] + #[rustc_const_unstable(feature = "duration_consts_float", issue = "72440")] #[inline] - pub const fn try_from_secs_f64(secs: f64) -> Result<Duration, FromFloatSecsError> { + pub const fn try_from_secs_f64(secs: f64) -> Result<Duration, TryFromFloatSecsError> { try_from_secs!( secs = secs, mantissa_bits = 52, diff --git a/library/core/tests/lib.rs b/library/core/tests/lib.rs index b1f492381b1..51f858adee1 100644 --- a/library/core/tests/lib.rs +++ b/library/core/tests/lib.rs @@ -95,7 +95,6 @@ #![feature(strict_provenance_atomic_ptr)] #![feature(trusted_random_access)] #![feature(unsize)] -#![feature(unzip_option)] #![feature(const_array_from_ref)] #![feature(const_slice_from_ref)] #![feature(waker_getters)] @@ -103,7 +102,6 @@ #![feature(provide_any)] #![feature(utf8_chunks)] #![feature(is_ascii_octdigit)] -#![feature(duration_checked_float)] #![deny(unsafe_op_in_unsafe_fn)] extern crate test; diff --git a/library/std/Cargo.toml b/library/std/Cargo.toml index b8c35ecd349..bc10b12ec2a 100644 --- a/library/std/Cargo.toml +++ b/library/std/Cargo.toml @@ -15,7 +15,7 @@ cfg-if = { version = "1.0", features = ['rustc-dep-of-std'] } panic_unwind = { path = "../panic_unwind", optional = true } panic_abort = { path = "../panic_abort" } core = { path = "../core" } -libc = { version = "0.2.126", default-features = false, features = ['rustc-dep-of-std'] } +libc = { version = "0.2.135", default-features = false, features = ['rustc-dep-of-std'] } compiler_builtins = { version = "0.1.73" } profiler_builtins = { path = "../profiler_builtins", optional = true } unwind = { path = "../unwind" } diff --git a/library/std/src/fs.rs b/library/std/src/fs.rs index c6c78dc3939..188ff00e1f8 100644 --- a/library/std/src/fs.rs +++ b/library/std/src/fs.rs @@ -1365,6 +1365,34 @@ impl FileTimes { impl Permissions { /// Returns `true` if these permissions describe a readonly (unwritable) file. /// + /// # Note + /// + /// This function does not take Access Control Lists (ACLs) or Unix group + /// membership into account. + /// + /// # Windows + /// + /// On Windows this returns [`FILE_ATTRIBUTE_READONLY`](https://docs.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants). + /// If `FILE_ATTRIBUTE_READONLY` is set then writes to the file will fail + /// but the user may still have permission to change this flag. If + /// `FILE_ATTRIBUTE_READONLY` is *not* set then writes may still fail due + /// to lack of write permission. + /// The behavior of this attribute for directories depends on the Windows + /// version. + /// + /// # Unix (including macOS) + /// + /// On Unix-based platforms this checks if *any* of the owner, group or others + /// write permission bits are set. It does not check if the current + /// user is in the file's assigned group. It also does not check ACLs. + /// Therefore even if this returns true you may not be able to write to the + /// file, and vice versa. The [`PermissionsExt`] trait gives direct access + /// to the permission bits but also does not read ACLs. If you need to + /// accurately know whether or not a file is writable use the `access()` + /// function from libc. + /// + /// [`PermissionsExt`]: crate::os::unix::fs::PermissionsExt + /// /// # Examples /// /// ```no_run @@ -1390,8 +1418,40 @@ impl Permissions { /// using the resulting `Permission` will update file permissions to allow /// writing. /// - /// This operation does **not** modify the filesystem. To modify the - /// filesystem use the [`set_permissions`] function. + /// This operation does **not** modify the files attributes. This only + /// changes the in-memory value of these attributes for this `Permissions` + /// instance. To modify the files attributes use the [`set_permissions`] + /// function which commits these attribute changes to the file. + /// + /// # Note + /// + /// `set_readonly(false)` makes the file *world-writable* on Unix. + /// You can use the [`PermissionsExt`] trait on Unix to avoid this issue. + /// + /// It also does not take Access Control Lists (ACLs) or Unix group + /// membership into account. + /// + /// # Windows + /// + /// On Windows this sets or clears [`FILE_ATTRIBUTE_READONLY`](https://docs.microsoft.com/en-us/windows/win32/fileio/file-attribute-constants). + /// If `FILE_ATTRIBUTE_READONLY` is set then writes to the file will fail + /// but the user may still have permission to change this flag. If + /// `FILE_ATTRIBUTE_READONLY` is *not* set then the write may still fail if + /// the user does not have permission to write to the file. + /// + /// In Windows 7 and earlier this attribute prevents deleting empty + /// directories. It does not prevent modifying the directory contents. + /// On later versions of Windows this attribute is ignored for directories. + /// + /// # Unix (including macOS) + /// + /// On Unix-based platforms this sets or clears the write access bit for + /// the owner, group *and* others, equivalent to `chmod a+w <file>` + /// or `chmod a-w <file>` respectively. The latter will grant write access + /// to all users! You can use the [`PermissionsExt`] trait on Unix + /// to avoid this issue. + /// + /// [`PermissionsExt`]: crate::os::unix::fs::PermissionsExt /// /// # Examples /// @@ -1405,7 +1465,8 @@ impl Permissions { /// /// permissions.set_readonly(true); /// - /// // filesystem doesn't change + /// // filesystem doesn't change, only the in memory state of the + /// // readonly permission /// assert_eq!(false, metadata.permissions().readonly()); /// /// // just this particular `permissions`. diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 0c29b001f01..23a13523fc2 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -583,7 +583,7 @@ pub trait Read { /// `n > buf.len()`. /// /// No guarantees are provided about the contents of `buf` when this - /// function is called, implementations cannot rely on any property of the + /// function is called, so implementations cannot rely on any property of the /// contents of `buf` being true. It is recommended that *implementations* /// only write data to `buf` instead of reading its contents. /// @@ -759,7 +759,7 @@ pub trait Read { /// specified buffer `buf`. /// /// No guarantees are provided about the contents of `buf` when this - /// function is called, implementations cannot rely on any property of the + /// function is called, so implementations cannot rely on any property of the /// contents of `buf` being true. It is recommended that implementations /// only write data to `buf` instead of reading its contents. The /// documentation on [`read`] has a more detailed explanation on this diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 78838adb8dd..385585dada8 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -280,7 +280,6 @@ #![feature(core_intrinsics)] #![feature(cstr_from_bytes_until_nul)] #![feature(cstr_internals)] -#![feature(duration_checked_float)] #![feature(duration_constants)] #![feature(error_generic_member_access)] #![feature(error_in_core)] diff --git a/library/std/src/rt.rs b/library/std/src/rt.rs index b8bcdbece0a..9c2f0c1dd3e 100644 --- a/library/std/src/rt.rs +++ b/library/std/src/rt.rs @@ -89,7 +89,7 @@ macro_rules! rtunwrap { // `src/tools/tidy/src/pal.rs` for more info. On all other platforms, `sigpipe` // has a value, but its value is ignored. // -// Even though it is an `u8`, it only ever has 3 values. These are documented in +// Even though it is an `u8`, it only ever has 4 values. These are documented in // `compiler/rustc_session/src/config/sigpipe.rs`. #[cfg_attr(test, allow(dead_code))] unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { diff --git a/library/std/src/sys/solid/fs.rs b/library/std/src/sys/solid/fs.rs index 9692222534e..6c66b93a3e1 100644 --- a/library/std/src/sys/solid/fs.rs +++ b/library/std/src/sys/solid/fs.rs @@ -175,15 +175,19 @@ impl Iterator for ReadDir { type Item = io::Result<DirEntry>; fn next(&mut self) -> Option<io::Result<DirEntry>> { - unsafe { - let mut out_dirent = MaybeUninit::uninit(); - error::SolidError::err_if_negative(abi::SOLID_FS_ReadDir( + let entry = unsafe { + let mut out_entry = MaybeUninit::uninit(); + match error::SolidError::err_if_negative(abi::SOLID_FS_ReadDir( self.inner.dirp, - out_dirent.as_mut_ptr(), - )) - .ok()?; - Some(Ok(DirEntry { entry: out_dirent.assume_init(), inner: Arc::clone(&self.inner) })) - } + out_entry.as_mut_ptr(), + )) { + Ok(_) => out_entry.assume_init(), + Err(e) if e.as_raw() == abi::SOLID_ERR_NOTFOUND => return None, + Err(e) => return Some(Err(e.as_io_error())), + } + }; + + (entry.d_name[0] != 0).then(|| Ok(DirEntry { entry, inner: Arc::clone(&self.inner) })) } } diff --git a/library/std/src/sys/unix/fs.rs b/library/std/src/sys/unix/fs.rs index 780f46f8c11..e22b2f3340a 100644 --- a/library/std/src/sys/unix/fs.rs +++ b/library/std/src/sys/unix/fs.rs @@ -4,6 +4,15 @@ use crate::ffi::{CStr, OsStr, OsString}; use crate::fmt; use crate::io::{self, BorrowedCursor, Error, IoSlice, IoSliceMut, SeekFrom}; use crate::mem; +#[cfg(any( + target_os = "android", + target_os = "linux", + target_os = "solaris", + target_os = "fuchsia", + target_os = "redox", + target_os = "illumos" +))] +use crate::mem::MaybeUninit; use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd}; use crate::path::{Path, PathBuf}; use crate::ptr; @@ -584,33 +593,69 @@ impl Iterator for ReadDir { }; } - // Only d_reclen bytes of *entry_ptr are valid, so we can't just copy the - // whole thing (#93384). Instead, copy everything except the name. - let mut copy: dirent64 = mem::zeroed(); - // Can't dereference entry_ptr, so use the local entry to get - // offsetof(struct dirent, d_name) - let copy_bytes = &mut copy as *mut _ as *mut u8; - let copy_name = &mut copy.d_name as *mut _ as *mut u8; - let name_offset = copy_name.offset_from(copy_bytes) as usize; - let entry_bytes = entry_ptr as *const u8; - let entry_name = entry_bytes.add(name_offset); - ptr::copy_nonoverlapping(entry_bytes, copy_bytes, name_offset); + // The dirent64 struct is a weird imaginary thing that isn't ever supposed + // to be worked with by value. Its trailing d_name field is declared + // variously as [c_char; 256] or [c_char; 1] on different systems but + // either way that size is meaningless; only the offset of d_name is + // meaningful. The dirent64 pointers that libc returns from readdir64 are + // allowed to point to allocations smaller _or_ LARGER than implied by the + // definition of the struct. + // + // As such, we need to be even more careful with dirent64 than if its + // contents were "simply" partially initialized data. + // + // Like for uninitialized contents, converting entry_ptr to `&dirent64` + // would not be legal. However, unique to dirent64 is that we don't even + // get to use `addr_of!((*entry_ptr).d_name)` because that operation + // requires the full extent of *entry_ptr to be in bounds of the same + // allocation, which is not necessarily the case here. + // + // Absent any other way to obtain a pointer to `(*entry_ptr).d_name` + // legally in Rust analogously to how it would be done in C, we instead + // need to make our own non-libc allocation that conforms to the weird + // imaginary definition of dirent64, and use that for a field offset + // computation. + macro_rules! offset_ptr { + ($entry_ptr:expr, $field:ident) => {{ + const OFFSET: isize = { + let delusion = MaybeUninit::<dirent64>::uninit(); + let entry_ptr = delusion.as_ptr(); + unsafe { + ptr::addr_of!((*entry_ptr).$field) + .cast::<u8>() + .offset_from(entry_ptr.cast::<u8>()) + } + }; + if true { + // Cast to the same type determined by the else branch. + $entry_ptr.byte_offset(OFFSET).cast::<_>() + } else { + #[allow(deref_nullptr)] + { + ptr::addr_of!((*ptr::null::<dirent64>()).$field) + } + } + }}; + } + + // d_name is guaranteed to be null-terminated. + let name = CStr::from_ptr(offset_ptr!(entry_ptr, d_name).cast()); + let name_bytes = name.to_bytes(); + if name_bytes == b"." || name_bytes == b".." { + continue; + } let entry = dirent64_min { - d_ino: copy.d_ino as u64, + d_ino: *offset_ptr!(entry_ptr, d_ino) as u64, #[cfg(not(any(target_os = "solaris", target_os = "illumos")))] - d_type: copy.d_type as u8, + d_type: *offset_ptr!(entry_ptr, d_type) as u8, }; - let ret = DirEntry { + return Some(Ok(DirEntry { entry, - // d_name is guaranteed to be null-terminated. - name: CStr::from_ptr(entry_name as *const _).to_owned(), + name: name.to_owned(), dir: Arc::clone(&self.inner), - }; - if ret.name_bytes() != b"." && ret.name_bytes() != b".." { - return Some(Ok(ret)); - } + })); } } } diff --git a/library/std/src/sys/unix/mod.rs b/library/std/src/sys/unix/mod.rs index c84e292eac1..9055a011c51 100644 --- a/library/std/src/sys/unix/mod.rs +++ b/library/std/src/sys/unix/mod.rs @@ -163,17 +163,27 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { // See the other file for docs. NOTE: Make sure to keep them in // sync! mod sigpipe { + pub const DEFAULT: u8 = 0; pub const INHERIT: u8 = 1; pub const SIG_IGN: u8 = 2; pub const SIG_DFL: u8 = 3; } - let handler = match sigpipe { - sigpipe::INHERIT => None, - sigpipe::SIG_IGN => Some(libc::SIG_IGN), - sigpipe::SIG_DFL => Some(libc::SIG_DFL), + let (sigpipe_attr_specified, handler) = match sigpipe { + sigpipe::DEFAULT => (false, Some(libc::SIG_IGN)), + sigpipe::INHERIT => (true, None), + sigpipe::SIG_IGN => (true, Some(libc::SIG_IGN)), + sigpipe::SIG_DFL => (true, Some(libc::SIG_DFL)), _ => unreachable!(), }; + // The bootstrap compiler doesn't know about sigpipe::DEFAULT, and always passes in + // SIG_IGN. This causes some tests to fail because they expect SIGPIPE to be reset to + // default on process spawning (which doesn't happen if #[unix_sigpipe] is specified). + // Since we can't differentiate between the cases here, treat SIG_IGN as DEFAULT + // unconditionally. + if sigpipe_attr_specified && !(cfg!(bootstrap) && sigpipe == sigpipe::SIG_IGN) { + UNIX_SIGPIPE_ATTR_SPECIFIED.store(true, crate::sync::atomic::Ordering::Relaxed); + } if let Some(handler) = handler { rtassert!(signal(libc::SIGPIPE, handler) != libc::SIG_ERR); } @@ -181,6 +191,26 @@ pub unsafe fn init(argc: isize, argv: *const *const u8, sigpipe: u8) { } } +// This is set (up to once) in reset_sigpipe. +#[cfg(not(any( + target_os = "espidf", + target_os = "emscripten", + target_os = "fuchsia", + target_os = "horizon" +)))] +static UNIX_SIGPIPE_ATTR_SPECIFIED: crate::sync::atomic::AtomicBool = + crate::sync::atomic::AtomicBool::new(false); + +#[cfg(not(any( + target_os = "espidf", + target_os = "emscripten", + target_os = "fuchsia", + target_os = "horizon" +)))] +pub(crate) fn unix_sigpipe_attr_specified() -> bool { + UNIX_SIGPIPE_ATTR_SPECIFIED.load(crate::sync::atomic::Ordering::Relaxed) +} + // SAFETY: must be called only once during runtime cleanup. // NOTE: this is not guaranteed to run, for example when the program aborts. pub unsafe fn cleanup() { @@ -352,16 +382,12 @@ cfg_if::cfg_if! { extern "C" {} } else if #[cfg(target_os = "macos")] { #[link(name = "System")] - // res_init and friends require -lresolv on macOS/iOS. - // See #41582 and https://blog.achernya.com/2013/03/os-x-has-silly-libsystem.html - #[link(name = "resolv")] extern "C" {} } else if #[cfg(any(target_os = "ios", target_os = "watchos"))] { #[link(name = "System")] #[link(name = "objc")] #[link(name = "Security", kind = "framework")] #[link(name = "Foundation", kind = "framework")] - #[link(name = "resolv")] extern "C" {} } else if #[cfg(target_os = "fuchsia")] { #[link(name = "zircon")] diff --git a/library/std/src/sys/unix/process/process_common.rs b/library/std/src/sys/unix/process/process_common.rs index 2834ee0ace8..848adca78c0 100644 --- a/library/std/src/sys/unix/process/process_common.rs +++ b/library/std/src/sys/unix/process/process_common.rs @@ -39,10 +39,12 @@ cfg_if::cfg_if! { // https://github.com/aosp-mirror/platform_bionic/blob/ad8dcd6023294b646e5a8288c0ed431b0845da49/libc/include/android/legacy_signal_inlines.h cfg_if::cfg_if! { if #[cfg(target_os = "android")] { + #[allow(dead_code)] pub unsafe fn sigemptyset(set: *mut libc::sigset_t) -> libc::c_int { set.write_bytes(0u8, 1); return 0; } + #[allow(dead_code)] pub unsafe fn sigaddset(set: *mut libc::sigset_t, signum: libc::c_int) -> libc::c_int { use crate::{ diff --git a/library/std/src/sys/unix/process/process_common/tests.rs b/library/std/src/sys/unix/process/process_common/tests.rs index d176b3401c0..03631e4e33b 100644 --- a/library/std/src/sys/unix/process/process_common/tests.rs +++ b/library/std/src/sys/unix/process/process_common/tests.rs @@ -31,41 +31,54 @@ macro_rules! t { ignore )] fn test_process_mask() { - unsafe { - // Test to make sure that a signal mask does not get inherited. - let mut cmd = Command::new(OsStr::new("cat")); - - let mut set = mem::MaybeUninit::<libc::sigset_t>::uninit(); - let mut old_set = mem::MaybeUninit::<libc::sigset_t>::uninit(); - t!(cvt(sigemptyset(set.as_mut_ptr()))); - t!(cvt(sigaddset(set.as_mut_ptr(), libc::SIGINT))); - t!(cvt_nz(libc::pthread_sigmask(libc::SIG_SETMASK, set.as_ptr(), old_set.as_mut_ptr()))); - - cmd.stdin(Stdio::MakePipe); - cmd.stdout(Stdio::MakePipe); - - let (mut cat, mut pipes) = t!(cmd.spawn(Stdio::Null, true)); - let stdin_write = pipes.stdin.take().unwrap(); - let stdout_read = pipes.stdout.take().unwrap(); - - t!(cvt_nz(libc::pthread_sigmask(libc::SIG_SETMASK, old_set.as_ptr(), ptr::null_mut()))); - - t!(cvt(libc::kill(cat.id() as libc::pid_t, libc::SIGINT))); - // We need to wait until SIGINT is definitely delivered. The - // easiest way is to write something to cat, and try to read it - // back: if SIGINT is unmasked, it'll get delivered when cat is - // next scheduled. - let _ = stdin_write.write(b"Hello"); - drop(stdin_write); - - // Either EOF or failure (EPIPE) is okay. - let mut buf = [0; 5]; - if let Ok(ret) = stdout_read.read(&mut buf) { - assert_eq!(ret, 0); + // Test to make sure that a signal mask *does* get inherited. + fn test_inner(mut cmd: Command) { + unsafe { + let mut set = mem::MaybeUninit::<libc::sigset_t>::uninit(); + let mut old_set = mem::MaybeUninit::<libc::sigset_t>::uninit(); + t!(cvt(sigemptyset(set.as_mut_ptr()))); + t!(cvt(sigaddset(set.as_mut_ptr(), libc::SIGINT))); + t!(cvt_nz(libc::pthread_sigmask( + libc::SIG_SETMASK, + set.as_ptr(), + old_set.as_mut_ptr() + ))); + + cmd.stdin(Stdio::MakePipe); + cmd.stdout(Stdio::MakePipe); + + let (mut cat, mut pipes) = t!(cmd.spawn(Stdio::Null, true)); + let stdin_write = pipes.stdin.take().unwrap(); + let stdout_read = pipes.stdout.take().unwrap(); + + t!(cvt_nz(libc::pthread_sigmask(libc::SIG_SETMASK, old_set.as_ptr(), ptr::null_mut()))); + + t!(cvt(libc::kill(cat.id() as libc::pid_t, libc::SIGINT))); + // We need to wait until SIGINT is definitely delivered. The + // easiest way is to write something to cat, and try to read it + // back: if SIGINT is unmasked, it'll get delivered when cat is + // next scheduled. + let _ = stdin_write.write(b"Hello"); + drop(stdin_write); + + // Exactly 5 bytes should be read. + let mut buf = [0; 5]; + let ret = t!(stdout_read.read(&mut buf)); + assert_eq!(ret, 5); + assert_eq!(&buf, b"Hello"); + + t!(cat.wait()); } - - t!(cat.wait()); } + + // A plain `Command::new` uses the posix_spawn path on many platforms. + let cmd = Command::new(OsStr::new("cat")); + test_inner(cmd); + + // Specifying `pre_exec` forces the fork/exec path. + let mut cmd = Command::new(OsStr::new("cat")); + unsafe { cmd.pre_exec(Box::new(|| Ok(()))) }; + test_inner(cmd); } #[test] diff --git a/library/std/src/sys/unix/process/process_unix.rs b/library/std/src/sys/unix/process/process_unix.rs index 2ff8e600f7c..56a805cef73 100644 --- a/library/std/src/sys/unix/process/process_unix.rs +++ b/library/std/src/sys/unix/process/process_unix.rs @@ -2,7 +2,6 @@ use crate::fmt; use crate::io::{self, Error, ErrorKind}; use crate::mem; use crate::num::NonZeroI32; -use crate::ptr; use crate::sys; use crate::sys::cvt; use crate::sys::process::process_common::*; @@ -310,7 +309,7 @@ impl Command { //FIXME: Redox kernel does not support setgroups yet #[cfg(not(target_os = "redox"))] if libc::getuid() == 0 && self.get_groups().is_none() { - cvt(libc::setgroups(0, ptr::null()))?; + cvt(libc::setgroups(0, crate::ptr::null()))?; } cvt(libc::setuid(u as uid_t))?; } @@ -326,30 +325,26 @@ impl Command { // emscripten has no signal support. #[cfg(not(target_os = "emscripten"))] { - use crate::mem::MaybeUninit; - use crate::sys::cvt_nz; - // Reset signal handling so the child process starts in a - // standardized state. libstd ignores SIGPIPE, and signal-handling - // libraries often set a mask. Child processes inherit ignored - // signals and the signal mask from their parent, but most - // UNIX programs do not reset these things on their own, so we - // need to clean things up now to avoid confusing the program - // we're about to run. - let mut set = MaybeUninit::<libc::sigset_t>::uninit(); - cvt(sigemptyset(set.as_mut_ptr()))?; - cvt_nz(libc::pthread_sigmask(libc::SIG_SETMASK, set.as_ptr(), ptr::null_mut()))?; - - #[cfg(target_os = "android")] // see issue #88585 - { - let mut action: libc::sigaction = mem::zeroed(); - action.sa_sigaction = libc::SIG_DFL; - cvt(libc::sigaction(libc::SIGPIPE, &action, ptr::null_mut()))?; - } - #[cfg(not(target_os = "android"))] - { - let ret = sys::signal(libc::SIGPIPE, libc::SIG_DFL); - if ret == libc::SIG_ERR { - return Err(io::Error::last_os_error()); + // Inherit the signal mask from the parent rather than resetting it (i.e. do not call + // pthread_sigmask). + + // If #[unix_sigpipe] is specified, don't reset SIGPIPE to SIG_DFL. + // If #[unix_sigpipe] is not specified, reset SIGPIPE to SIG_DFL for backward compatibility. + // + // #[unix_sigpipe] is an opportunity to change the default here. + if !crate::sys::unix_sigpipe_attr_specified() { + #[cfg(target_os = "android")] // see issue #88585 + { + let mut action: libc::sigaction = mem::zeroed(); + action.sa_sigaction = libc::SIG_DFL; + cvt(libc::sigaction(libc::SIGPIPE, &action, crate::ptr::null_mut()))?; + } + #[cfg(not(target_os = "android"))] + { + let ret = sys::signal(libc::SIGPIPE, libc::SIG_DFL); + if ret == libc::SIG_ERR { + return Err(io::Error::last_os_error()); + } } } } @@ -411,7 +406,7 @@ impl Command { envp: Option<&CStringArray>, ) -> io::Result<Option<Process>> { use crate::mem::MaybeUninit; - use crate::sys::{self, cvt_nz}; + use crate::sys::{self, cvt_nz, unix_sigpipe_attr_specified}; if self.get_gid().is_some() || self.get_uid().is_some() @@ -531,13 +526,24 @@ impl Command { cvt_nz(libc::posix_spawnattr_setpgroup(attrs.0.as_mut_ptr(), pgroup))?; } - let mut set = MaybeUninit::<libc::sigset_t>::uninit(); - cvt(sigemptyset(set.as_mut_ptr()))?; - cvt_nz(libc::posix_spawnattr_setsigmask(attrs.0.as_mut_ptr(), set.as_ptr()))?; - cvt(sigaddset(set.as_mut_ptr(), libc::SIGPIPE))?; - cvt_nz(libc::posix_spawnattr_setsigdefault(attrs.0.as_mut_ptr(), set.as_ptr()))?; + // Inherit the signal mask from this process rather than resetting it (i.e. do not call + // posix_spawnattr_setsigmask). + + // If #[unix_sigpipe] is specified, don't reset SIGPIPE to SIG_DFL. + // If #[unix_sigpipe] is not specified, reset SIGPIPE to SIG_DFL for backward compatibility. + // + // #[unix_sigpipe] is an opportunity to change the default here. + if !unix_sigpipe_attr_specified() { + let mut default_set = MaybeUninit::<libc::sigset_t>::uninit(); + cvt(sigemptyset(default_set.as_mut_ptr()))?; + cvt(sigaddset(default_set.as_mut_ptr(), libc::SIGPIPE))?; + cvt_nz(libc::posix_spawnattr_setsigdefault( + attrs.0.as_mut_ptr(), + default_set.as_ptr(), + ))?; + flags |= libc::POSIX_SPAWN_SETSIGDEF; + } - flags |= libc::POSIX_SPAWN_SETSIGDEF | libc::POSIX_SPAWN_SETSIGMASK; cvt_nz(libc::posix_spawnattr_setflags(attrs.0.as_mut_ptr(), flags as _))?; // Make sure we synchronize access to the global `environ` resource diff --git a/library/std/src/sys/unix/thread.rs b/library/std/src/sys/unix/thread.rs index 42ac6fcd8bf..69cd2b500a1 100644 --- a/library/std/src/sys/unix/thread.rs +++ b/library/std/src/sys/unix/thread.rs @@ -132,8 +132,11 @@ impl Thread { #[cfg(target_os = "linux")] pub fn set_name(name: &CStr) { + const TASK_COMM_LEN: usize = 16; + unsafe { // Available since glibc 2.12, musl 1.1.16, and uClibc 1.0.20. + let name = truncate_cstr(name, TASK_COMM_LEN); libc::pthread_setname_np(libc::pthread_self(), name.as_ptr()); } } @@ -148,6 +151,7 @@ impl Thread { #[cfg(any(target_os = "macos", target_os = "ios", target_os = "watchos"))] pub fn set_name(name: &CStr) { unsafe { + let name = truncate_cstr(name, libc::MAXTHREADNAMESIZE); libc::pthread_setname_np(name.as_ptr()); } } @@ -276,6 +280,20 @@ impl Drop for Thread { } } +#[cfg(any(target_os = "linux", target_os = "macos", target_os = "ios", target_os = "watchos"))] +fn truncate_cstr(cstr: &CStr, max_with_nul: usize) -> crate::borrow::Cow<'_, CStr> { + use crate::{borrow::Cow, ffi::CString}; + + if cstr.to_bytes_with_nul().len() > max_with_nul { + let bytes = cstr.to_bytes()[..max_with_nul - 1].to_vec(); + // SAFETY: the non-nul bytes came straight from a CStr. + // (CString will add the terminating nul.) + Cow::Owned(unsafe { CString::from_vec_unchecked(bytes) }) + } else { + Cow::Borrowed(cstr) + } +} + pub fn available_parallelism() -> io::Result<NonZeroUsize> { cfg_if::cfg_if! { if #[cfg(any( diff --git a/library/std/src/sys/windows/c.rs b/library/std/src/sys/windows/c.rs index 917fc8e4995..be6fc2ebb7a 100644 --- a/library/std/src/sys/windows/c.rs +++ b/library/std/src/sys/windows/c.rs @@ -129,6 +129,8 @@ pub const FIONBIO: c_ulong = 0x8004667e; pub const MAX_PATH: usize = 260; +pub const FILE_TYPE_PIPE: u32 = 3; + #[repr(C)] #[derive(Copy)] pub struct WIN32_FIND_DATAW { @@ -1114,6 +1116,7 @@ extern "system" { lpFileInformation: LPVOID, dwBufferSize: DWORD, ) -> BOOL; + pub fn GetFileType(hfile: HANDLE) -> DWORD; pub fn SleepConditionVariableSRW( ConditionVariable: PCONDITION_VARIABLE, SRWLock: PSRWLOCK, diff --git a/library/std/src/sys/windows/io.rs b/library/std/src/sys/windows/io.rs index 0879ef19933..2cc34c986b9 100644 --- a/library/std/src/sys/windows/io.rs +++ b/library/std/src/sys/windows/io.rs @@ -120,6 +120,11 @@ unsafe fn handle_is_console(handle: BorrowedHandle<'_>) -> bool { } unsafe fn msys_tty_on(handle: c::HANDLE) -> bool { + // Early return if the handle is not a pipe. + if c::GetFileType(handle) != c::FILE_TYPE_PIPE { + return false; + } + const SIZE: usize = size_of::<c::FILE_NAME_INFO>() + c::MAX_PATH * size_of::<c::WCHAR>(); let mut name_info_bytes = Align8([0u8; SIZE]); let res = c::GetFileInformationByHandleEx( @@ -137,11 +142,13 @@ unsafe fn msys_tty_on(handle: c::HANDLE) -> bool { let name_ptr = name_info_bytes.0.as_ptr().offset(size_of::<c::DWORD>() as isize).cast::<u16>(); let s = core::slice::from_raw_parts(name_ptr, name_len); let name = String::from_utf16_lossy(s); + // Get the file name only. + let name = name.rsplit('\\').next().unwrap_or(&name); // This checks whether 'pty' exists in the file name, which indicates that // a pseudo-terminal is attached. To mitigate against false positives // (e.g., an actual file name that contains 'pty'), we also require that - // either the strings 'msys-' or 'cygwin-' are in the file name as well.) - let is_msys = name.contains("msys-") || name.contains("cygwin-"); + // the file name begins with either the strings 'msys-' or 'cygwin-'.) + let is_msys = name.starts_with("msys-") || name.starts_with("cygwin-"); let is_pty = name.contains("-pty"); is_msys && is_pty } diff --git a/library/std/src/thread/tests.rs b/library/std/src/thread/tests.rs index dfb8765ab4e..6c9ce6fa0dd 100644 --- a/library/std/src/thread/tests.rs +++ b/library/std/src/thread/tests.rs @@ -37,6 +37,37 @@ fn test_named_thread() { .unwrap(); } +#[cfg(any( + // Note: musl didn't add pthread_getname_np until 1.2.3 + all(target_os = "linux", target_env = "gnu"), + target_os = "macos", + target_os = "ios", + target_os = "watchos" +))] +#[test] +fn test_named_thread_truncation() { + use crate::ffi::CStr; + + let long_name = crate::iter::once("test_named_thread_truncation") + .chain(crate::iter::repeat(" yada").take(100)) + .collect::<String>(); + + let result = Builder::new().name(long_name.clone()).spawn(move || { + // Rust remembers the full thread name itself. + assert_eq!(thread::current().name(), Some(long_name.as_str())); + + // But the system is limited -- make sure we successfully set a truncation. + let mut buf = vec![0u8; long_name.len() + 1]; + unsafe { + libc::pthread_getname_np(libc::pthread_self(), buf.as_mut_ptr().cast(), buf.len()); + } + let cstr = CStr::from_bytes_until_nul(&buf).unwrap(); + assert!(cstr.to_bytes().len() > 0); + assert!(long_name.as_bytes().starts_with(cstr.to_bytes())); + }); + result.unwrap().join().unwrap(); +} + #[test] #[should_panic] fn test_invalid_named_thread() { diff --git a/library/std/src/time.rs b/library/std/src/time.rs index d4a1b9d9b50..34e18b5fa87 100644 --- a/library/std/src/time.rs +++ b/library/std/src/time.rs @@ -43,8 +43,8 @@ use crate::sys_common::{FromInner, IntoInner}; #[stable(feature = "time", since = "1.3.0")] pub use core::time::Duration; -#[unstable(feature = "duration_checked_float", issue = "83400")] -pub use core::time::FromFloatSecsError; +#[stable(feature = "duration_checked_float", since = "CURRENT_RUSTC_VERSION")] +pub use core::time::TryFromFloatSecsError; /// A measurement of a monotonically nondecreasing clock. /// Opaque and useful only with [`Duration`]. diff --git a/library/test/src/console.rs b/library/test/src/console.rs index e9dda98966d..b1270c27271 100644 --- a/library/test/src/console.rs +++ b/library/test/src/console.rs @@ -147,7 +147,7 @@ pub fn list_tests_console(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> io::Res let mut ntest = 0; let mut nbench = 0; - for test in filter_tests(&opts, tests) { + for test in filter_tests(&opts, tests).into_iter() { use crate::TestFn::*; let TestDescAndFn { desc: TestDesc { name, .. }, testfn } = test; diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs index b1e0bbfc591..4de69455798 100644 --- a/library/test/src/lib.rs +++ b/library/test/src/lib.rs @@ -247,7 +247,7 @@ where let event = TestEvent::TeFiltered(filtered_descs, shuffle_seed); notify_about_test_event(event)?; - let (filtered_tests, filtered_benchs): (Vec<_>, _) = filtered_tests + let (mut filtered_tests, filtered_benchs): (Vec<_>, _) = filtered_tests .into_iter() .enumerate() .map(|(i, e)| (TestId(i), e)) @@ -255,12 +255,12 @@ where let concurrency = opts.test_threads.unwrap_or_else(get_concurrency); - let mut remaining = filtered_tests; if let Some(shuffle_seed) = shuffle_seed { - shuffle_tests(shuffle_seed, &mut remaining); - } else { - remaining.reverse(); + shuffle_tests(shuffle_seed, &mut filtered_tests); } + // Store the tests in a VecDeque so we can efficiently remove the first element to run the + // tests in the order they were passed (unless shuffled). + let mut remaining = VecDeque::from(filtered_tests); let mut pending = 0; let (tx, rx) = channel::<CompletedTest>(); @@ -300,7 +300,7 @@ where if concurrency == 1 { while !remaining.is_empty() { - let (id, test) = remaining.pop().unwrap(); + let (id, test) = remaining.pop_front().unwrap(); let event = TestEvent::TeWait(test.desc.clone()); notify_about_test_event(event)?; let join_handle = @@ -314,7 +314,7 @@ where } else { while pending > 0 || !remaining.is_empty() { while pending < concurrency && !remaining.is_empty() { - let (id, test) = remaining.pop().unwrap(); + let (id, test) = remaining.pop_front().unwrap(); let timeout = time::get_default_test_timeout(); let desc = test.desc.clone(); @@ -426,9 +426,6 @@ pub fn filter_tests(opts: &TestOpts, tests: Vec<TestDescAndFn>) -> Vec<TestDescA RunIgnored::No => {} } - // Sort the tests alphabetically - filtered.sort_by(|t1, t2| t1.desc.name.as_slice().cmp(t2.desc.name.as_slice())); - filtered } diff --git a/library/test/src/term.rs b/library/test/src/term.rs index b256ab7b8f8..a14b0d4f5a9 100644 --- a/library/test/src/term.rs +++ b/library/test/src/term.rs @@ -39,7 +39,7 @@ pub(crate) fn stdout() -> Option<Box<StdoutTerminal>> { pub(crate) fn stdout() -> Option<Box<StdoutTerminal>> { TerminfoTerminal::new(io::stdout()) .map(|t| Box::new(t) as Box<StdoutTerminal>) - .or_else(|| WinConsole::new(io::stdout()).ok().map(|t| Box::new(t) as Box<StdoutTerminal>)) + .or_else(|| Some(Box::new(WinConsole::new(io::stdout())) as Box<StdoutTerminal>)) } /// Terminal color definitions diff --git a/library/test/src/term/win.rs b/library/test/src/term/win.rs index 4bdbd6ee75f..55020141a82 100644 --- a/library/test/src/term/win.rs +++ b/library/test/src/term/win.rs @@ -113,8 +113,7 @@ impl<T: Write + Send + 'static> WinConsole<T> { } } - /// Returns `None` whenever the terminal cannot be created for some reason. - pub(crate) fn new(out: T) -> io::Result<WinConsole<T>> { + pub(crate) fn new(out: T) -> WinConsole<T> { use std::mem::MaybeUninit; let fg; @@ -132,13 +131,13 @@ impl<T: Write + Send + 'static> WinConsole<T> { bg = color::BLACK; } } - Ok(WinConsole { + WinConsole { buf: out, def_foreground: fg, def_background: bg, foreground: fg, background: bg, - }) + } } } diff --git a/library/test/src/tests.rs b/library/test/src/tests.rs index 278cfb15bb1..b54be64efcf 100644 --- a/library/test/src/tests.rs +++ b/library/test/src/tests.rs @@ -611,33 +611,6 @@ fn sample_tests() -> Vec<TestDescAndFn> { } #[test] -pub fn sort_tests() { - let mut opts = TestOpts::new(); - opts.run_tests = true; - - let tests = sample_tests(); - let filtered = filter_tests(&opts, tests); - - let expected = vec![ - "isize::test_pow".to_string(), - "isize::test_to_str".to_string(), - "sha1::test".to_string(), - "test::do_not_run_ignored_tests".to_string(), - "test::filter_for_ignored_option".to_string(), - "test::first_free_arg_should_be_a_filter".to_string(), - "test::ignored_tests_result_in_ignored".to_string(), - "test::parse_ignored_flag".to_string(), - "test::parse_include_ignored_flag".to_string(), - "test::run_include_ignored_option".to_string(), - "test::sort_tests".to_string(), - ]; - - for (a, b) in expected.iter().zip(filtered) { - assert_eq!(*a, b.desc.name.to_string()); - } -} - -#[test] pub fn shuffle_tests() { let mut opts = TestOpts::new(); opts.shuffle = true; diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 4ccdabe4bb6..e02a10b8164 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -21,7 +21,7 @@ use serde::Deserialize; use crate::builder::Cargo; use crate::builder::{Builder, Kind, RunConfig, ShouldRun, Step}; use crate::cache::{Interned, INTERNER}; -use crate::config::{LlvmLibunwind, TargetSelection}; +use crate::config::{LlvmLibunwind, RustcLto, TargetSelection}; use crate::dist; use crate::native; use crate::tool::SourceType; @@ -701,6 +701,28 @@ impl Step for Rustc { )); } + // cfg(bootstrap): remove if condition once the bootstrap compiler supports dylib LTO + if compiler.stage != 0 { + match builder.config.rust_lto { + RustcLto::Thin | RustcLto::Fat => { + // Since using LTO for optimizing dylibs is currently experimental, + // we need to pass -Zdylib-lto. + cargo.rustflag("-Zdylib-lto"); + // Cargo by default passes `-Cembed-bitcode=no` and doesn't pass `-Clto` when + // compiling dylibs (and their dependencies), even when LTO is enabled for the + // crate. Therefore, we need to override `-Clto` and `-Cembed-bitcode` here. + let lto_type = match builder.config.rust_lto { + RustcLto::Thin => "thin", + RustcLto::Fat => "fat", + _ => unreachable!(), + }; + cargo.rustflag(&format!("-Clto={}", lto_type)); + cargo.rustflag("-Cembed-bitcode=yes"); + } + RustcLto::ThinLocal => { /* Do nothing, this is the default */ } + } + } + builder.info(&format!( "Building stage{} compiler artifacts ({} -> {})", compiler.stage, &compiler.host, target @@ -1155,6 +1177,20 @@ impl Step for Sysroot { ); } } + // Same for the rustc-src component. + let sysroot_lib_rustlib_rustcsrc = sysroot.join("lib/rustlib/rustc-src"); + t!(fs::create_dir_all(&sysroot_lib_rustlib_rustcsrc)); + let sysroot_lib_rustlib_rustcsrc_rust = sysroot_lib_rustlib_rustcsrc.join("rust"); + if let Err(e) = + symlink_dir(&builder.config, &builder.src, &sysroot_lib_rustlib_rustcsrc_rust) + { + eprintln!( + "warning: creating symbolic link `{}` to `{}` failed with {}", + sysroot_lib_rustlib_rustcsrc_rust.display(), + builder.src.display(), + e, + ); + } INTERNER.intern_path(sysroot) } diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index 635823b958b..a8c403675d8 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -158,6 +158,7 @@ pub struct Config { pub rust_new_symbol_mangling: Option<bool>, pub rust_profile_use: Option<String>, pub rust_profile_generate: Option<String>, + pub rust_lto: RustcLto, pub llvm_profile_use: Option<String>, pub llvm_profile_generate: bool, pub llvm_libunwind_default: Option<LlvmLibunwind>, @@ -319,6 +320,28 @@ impl SplitDebuginfo { } } +/// LTO mode used for compiling rustc itself. +#[derive(Default, Clone)] +pub enum RustcLto { + #[default] + ThinLocal, + Thin, + Fat, +} + +impl std::str::FromStr for RustcLto { + type Err = String; + + fn from_str(s: &str) -> Result<Self, Self::Err> { + match s { + "thin-local" => Ok(RustcLto::ThinLocal), + "thin" => Ok(RustcLto::Thin), + "fat" => Ok(RustcLto::Fat), + _ => Err(format!("Invalid value for rustc LTO: {}", s)), + } + } +} + #[derive(Copy, Clone, Default, PartialEq, Eq, PartialOrd, Ord, Hash)] pub struct TargetSelection { pub triple: Interned<String>, @@ -726,6 +749,7 @@ define_config! { profile_use: Option<String> = "profile-use", // ignored; this is set from an env var set by bootstrap.py download_rustc: Option<StringOrBool> = "download-rustc", + lto: Option<String> = "lto", } } @@ -1173,6 +1197,12 @@ impl Config { config.rust_profile_use = flags.rust_profile_use.or(rust.profile_use); config.rust_profile_generate = flags.rust_profile_generate.or(rust.profile_generate); config.download_rustc_commit = download_ci_rustc_commit(&config, rust.download_rustc); + + config.rust_lto = rust + .lto + .as_deref() + .map(|value| RustcLto::from_str(value).unwrap()) + .unwrap_or_default(); } else { config.rust_profile_use = flags.rust_profile_use; config.rust_profile_generate = flags.rust_profile_generate; diff --git a/src/ci/docker/README.md b/src/ci/docker/README.md index 38629c4fae7..ea236bee563 100644 --- a/src/ci/docker/README.md +++ b/src/ci/docker/README.md @@ -250,6 +250,92 @@ For targets: `i586-unknown-linux-gnu` (\*) Compressed debug is enabled by default for gas (assembly) on Linux/x86 targets, but that makes our `compiler_builtins` incompatible with binutils < 2.32. +### `mips-linux-gnu.config` + +For targets: `mips-unknown-linux-gnu` + +- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET} +- Path and misc options > Use a mirror = ENABLE +- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc +- Path and misc options > Patches origin = Bundled, then local +- Path and misc options > Local patch directory = /tmp/patches +- Target options > Target Architecture = mips +- Target options > ABI = o32 +- Target options > Endianness = Big endian +- Target options > Bitness = 32-bit +- Target options > Architecture level = mips32r2 +- Operating System > Target OS = linux +- Operating System > Linux kernel version = 4.4.174 +- Binary utilities > Version of binutils = 2.32 +- C-library > glibc version = 2.23 +- C compiler > gcc version = 8.3.0 +- C compiler > gcc extra config = --with-fp-32=xx --with-odd-spreg-32=no +- C compiler > C++ = ENABLE -- to cross compile LLVM + +### `mipsel-linux-gnu.config` + +For targets: `mipsel-unknown-linux-gnu` + +- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET} +- Path and misc options > Use a mirror = ENABLE +- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc +- Path and misc options > Patches origin = Bundled, then local +- Path and misc options > Local patch directory = /tmp/patches +- Target options > Target Architecture = mips +- Target options > ABI = o32 +- Target options > Endianness = Little endian +- Target options > Bitness = 32-bit +- Target options > Architecture level = mips32r2 +- Operating System > Target OS = linux +- Operating System > Linux kernel version = 4.4.174 +- Binary utilities > Version of binutils = 2.32 +- C-library > glibc version = 2.23 +- C compiler > gcc version = 8.3.0 +- C compiler > gcc extra config = --with-fp-32=xx --with-odd-spreg-32=no +- C compiler > C++ = ENABLE -- to cross compile LLVM + +### `mips64-linux-gnu.config` + +For targets: `mips64-unknown-linux-gnuabi64` + +- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET} +- Path and misc options > Use a mirror = ENABLE +- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc +- Path and misc options > Patches origin = Bundled, then local +- Path and misc options > Local patch directory = /tmp/patches +- Target options > Target Architecture = mips +- Target options > ABI = n64 +- Target options > Endianness = Big endian +- Target options > Bitness = 64-bit +- Target options > Architecture level = mips64r2 +- Operating System > Target OS = linux +- Operating System > Linux kernel version = 4.4.174 +- Binary utilities > Version of binutils = 2.32 +- C-library > glibc version = 2.23 +- C compiler > gcc version = 8.3.0 +- C compiler > C++ = ENABLE -- to cross compile LLVM + +### `mips64el-linux-gnu.config` + +For targets: `mips64el-unknown-linux-gnuabi64` + +- Path and misc options > Prefix directory = /x-tools/${CT\_TARGET} +- Path and misc options > Use a mirror = ENABLE +- Path and misc options > Base URL = https://ci-mirrors.rust-lang.org/rustc +- Path and misc options > Patches origin = Bundled, then local +- Path and misc options > Local patch directory = /tmp/patches +- Target options > Target Architecture = mips +- Target options > ABI = n64 +- Target options > Endianness = Little endian +- Target options > Bitness = 64-bit +- Target options > Architecture level = mips64r2 +- Operating System > Target OS = linux +- Operating System > Linux kernel version = 4.4.174 +- Binary utilities > Version of binutils = 2.32 +- C-library > glibc version = 2.23 +- C compiler > gcc version = 8.3.0 +- C compiler > C++ = ENABLE -- to cross compile LLVM + ### `powerpc-linux-gnu.config` For targets: `powerpc-unknown-linux-gnu` diff --git a/src/ci/docker/host-x86_64/dist-mips-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-mips-linux/Dockerfile index 948fa40dd4b..eb511b32107 100644 --- a/src/ci/docker/host-x86_64/dist-mips-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-mips-linux/Dockerfile @@ -1,31 +1,30 @@ -FROM ubuntu:16.04 - -RUN apt-get update && apt-get install -y --no-install-recommends \ - g++ \ - make \ - ninja-build \ - file \ - curl \ - ca-certificates \ - python3 \ - git \ - cmake \ - sudo \ - gdb \ - xz-utils \ - g++-mips-linux-gnu \ - libssl-dev \ - pkg-config +FROM ubuntu:22.04 +COPY scripts/cross-apt-packages.sh /scripts/ +RUN sh /scripts/cross-apt-packages.sh + +COPY scripts/crosstool-ng-1.24.sh /scripts/ +RUN sh /scripts/crosstool-ng-1.24.sh + +COPY scripts/rustbuild-setup.sh /scripts/ +RUN sh /scripts/rustbuild-setup.sh +WORKDIR /tmp + +COPY host-x86_64/dist-mips-linux/patches/ /tmp/patches/ +COPY host-x86_64/dist-mips-linux/mips-linux-gnu.config host-x86_64/dist-mips-linux/build-mips-toolchain.sh /tmp/ +RUN su rustbuild -c ./build-mips-toolchain.sh COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -COPY scripts/cmake.sh /scripts/ -RUN /scripts/cmake.sh +ENV PATH=$PATH:/x-tools/mips-unknown-linux-gnu/bin + +ENV \ + CC_mips_unknown_linux_gnu=mips-unknown-linux-gnu-gcc \ + AR_mips_unknown_linux_gnu=mips-unknown-linux-gnu-ar \ + CXX_mips_unknown_linux_gnu=mips-unknown-linux-gnu-g++ ENV HOSTS=mips-unknown-linux-gnu -ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs \ - --set llvm.allow-old-toolchain +ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS diff --git a/src/ci/docker/host-x86_64/dist-mips-linux/build-mips-toolchain.sh b/src/ci/docker/host-x86_64/dist-mips-linux/build-mips-toolchain.sh new file mode 100755 index 00000000000..32612cf6852 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips-linux/build-mips-toolchain.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash +set -ex + +hide_output() { + set +x + on_err=" +echo ERROR: An error was encountered with the build. +cat /tmp/build.log +exit 1 +" + trap "$on_err" ERR + bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & + PING_LOOP_PID=$! + "$@" &> /tmp/build.log + rm /tmp/build.log + trap - ERR + kill $PING_LOOP_PID + set -x +} + +mkdir build +cd build +cp ../mips-linux-gnu.config .config +hide_output ct-ng build +cd .. +rm -rf build diff --git a/src/ci/docker/host-x86_64/dist-mips-linux/mips-linux-gnu.config b/src/ci/docker/host-x86_64/dist-mips-linux/mips-linux-gnu.config new file mode 100644 index 00000000000..575584ef0cf --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips-linux/mips-linux-gnu.config @@ -0,0 +1,740 @@ +# +# Automatically generated file; DO NOT EDIT. +# crosstool-NG Configuration +# +CT_CONFIGURE_has_static_link=y +CT_CONFIGURE_has_cxx11=y +CT_CONFIGURE_has_wget=y +CT_CONFIGURE_has_curl=y +CT_CONFIGURE_has_make_3_81_or_newer=y +CT_CONFIGURE_has_make_4_0_or_newer=y +CT_CONFIGURE_has_libtool_2_4_or_newer=y +CT_CONFIGURE_has_libtoolize_2_4_or_newer=y +CT_CONFIGURE_has_autoconf_2_65_or_newer=y +CT_CONFIGURE_has_autoreconf_2_65_or_newer=y +CT_CONFIGURE_has_automake_1_15_or_newer=y +CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y +CT_CONFIGURE_has_python_3_4_or_newer=y +CT_CONFIGURE_has_bison_2_7_or_newer=y +CT_CONFIGURE_has_python=y +CT_CONFIGURE_has_git=y +CT_CONFIGURE_has_md5sum=y +CT_CONFIGURE_has_sha1sum=y +CT_CONFIGURE_has_sha256sum=y +CT_CONFIGURE_has_sha512sum=y +CT_CONFIGURE_has_install_with_strip_program=y +CT_CONFIG_VERSION_CURRENT="3" +CT_CONFIG_VERSION="3" +CT_MODULES=y + +# +# Paths and misc options +# + +# +# crosstool-NG behavior +# +# CT_OBSOLETE is not set +# CT_EXPERIMENTAL is not set +# CT_DEBUG_CT is not set + +# +# Paths +# +CT_LOCAL_TARBALLS_DIR="${HOME}/src" +CT_SAVE_TARBALLS=y +# CT_TARBALLS_BUILDROOT_LAYOUT is not set +CT_WORK_DIR="${CT_TOP_DIR}/.build" +CT_BUILD_TOP_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/.build}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}" +CT_PREFIX_DIR="/x-tools/${CT_TARGET}" +CT_RM_RF_PREFIX_DIR=y +CT_REMOVE_DOCS=y +CT_INSTALL_LICENSES=y +CT_PREFIX_DIR_RO=y +CT_STRIP_HOST_TOOLCHAIN_EXECUTABLES=y +# CT_STRIP_TARGET_TOOLCHAIN_EXECUTABLES is not set + +# +# Downloading +# +CT_DOWNLOAD_AGENT_WGET=y +# CT_DOWNLOAD_AGENT_CURL is not set +# CT_DOWNLOAD_AGENT_NONE is not set +# CT_FORBID_DOWNLOAD is not set +# CT_FORCE_DOWNLOAD is not set +CT_CONNECT_TIMEOUT=10 +CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=3 -nc --progress=dot:binary" +# CT_ONLY_DOWNLOAD is not set +CT_USE_MIRROR=y +# CT_FORCE_MIRROR is not set +CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc" +CT_VERIFY_DOWNLOAD_DIGEST=y +CT_VERIFY_DOWNLOAD_DIGEST_SHA512=y +# CT_VERIFY_DOWNLOAD_DIGEST_SHA256 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_SHA1 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_MD5 is not set +CT_VERIFY_DOWNLOAD_DIGEST_ALG="sha512" +# CT_VERIFY_DOWNLOAD_SIGNATURE is not set + +# +# Extracting +# +# CT_FORCE_EXTRACT is not set +CT_OVERRIDE_CONFIG_GUESS_SUB=y +# CT_ONLY_EXTRACT is not set +# CT_PATCH_BUNDLED is not set +CT_PATCH_BUNDLED_LOCAL=y +CT_PATCH_ORDER="bundled,local" +CT_PATCH_USE_LOCAL=y +CT_LOCAL_PATCH_DIR="/tmp/patches" + +# +# Build behavior +# +CT_PARALLEL_JOBS=0 +CT_LOAD="" +CT_USE_PIPES=y +CT_EXTRA_CFLAGS_FOR_BUILD="" +CT_EXTRA_LDFLAGS_FOR_BUILD="" +CT_EXTRA_CFLAGS_FOR_HOST="" +CT_EXTRA_LDFLAGS_FOR_HOST="" +# CT_CONFIG_SHELL_SH is not set +# CT_CONFIG_SHELL_ASH is not set +CT_CONFIG_SHELL_BASH=y +# CT_CONFIG_SHELL_CUSTOM is not set +CT_CONFIG_SHELL="${bash}" + +# +# Logging +# +# CT_LOG_ERROR is not set +# CT_LOG_WARN is not set +# CT_LOG_INFO is not set +CT_LOG_EXTRA=y +# CT_LOG_ALL is not set +# CT_LOG_DEBUG is not set +CT_LOG_LEVEL_MAX="EXTRA" +# CT_LOG_SEE_TOOLS_WARN is not set +CT_LOG_PROGRESS_BAR=y +CT_LOG_TO_FILE=y +CT_LOG_FILE_COMPRESS=y + +# +# Target options +# +# CT_ARCH_ALPHA is not set +# CT_ARCH_ARC is not set +# CT_ARCH_ARM is not set +# CT_ARCH_AVR is not set +# CT_ARCH_M68K is not set +CT_ARCH_MIPS=y +# CT_ARCH_NIOS2 is not set +# CT_ARCH_POWERPC is not set +# CT_ARCH_S390 is not set +# CT_ARCH_SH is not set +# CT_ARCH_SPARC is not set +# CT_ARCH_X86 is not set +# CT_ARCH_XTENSA is not set +CT_ARCH="mips" +CT_ARCH_CHOICE_KSYM="MIPS" +CT_ARCH_TUNE="" +CT_ARCH_MIPS_SHOW=y + +# +# Options for mips +# +CT_ARCH_MIPS_PKG_KSYM="" +CT_ARCH_mips_o32=y +CT_ARCH_mips_ABI="32" +CT_ALL_ARCH_CHOICES="ALPHA ARC ARM AVR M68K MICROBLAZE MIPS MOXIE MSP430 NIOS2 POWERPC RISCV S390 SH SPARC X86 XTENSA" +CT_ARCH_SUFFIX="" +# CT_OMIT_TARGET_VENDOR is not set + +# +# Generic target options +# +# CT_MULTILIB is not set +CT_DEMULTILIB=y +CT_ARCH_USE_MMU=y +CT_ARCH_SUPPORTS_EITHER_ENDIAN=y +CT_ARCH_DEFAULT_BE=y +CT_ARCH_BE=y +# CT_ARCH_LE is not set +CT_ARCH_ENDIAN="big" +CT_ARCH_SUPPORTS_32=y +CT_ARCH_SUPPORTS_64=y +CT_ARCH_DEFAULT_32=y +CT_ARCH_BITNESS=32 +CT_ARCH_32=y +# CT_ARCH_64 is not set + +# +# Target optimisations +# +CT_ARCH_SUPPORTS_WITH_ARCH=y +CT_ARCH_SUPPORTS_WITH_TUNE=y +CT_ARCH_SUPPORTS_WITH_FLOAT=y +CT_ARCH_ARCH="mips32r2" +CT_ARCH_FLOAT_AUTO=y +# CT_ARCH_FLOAT_HW is not set +# CT_ARCH_FLOAT_SW is not set +CT_TARGET_CFLAGS="" +CT_TARGET_LDFLAGS="" +CT_ARCH_FLOAT="auto" + +# +# Toolchain options +# + +# +# General toolchain options +# +CT_FORCE_SYSROOT=y +CT_USE_SYSROOT=y +CT_SYSROOT_NAME="sysroot" +CT_SYSROOT_DIR_PREFIX="" +CT_WANTS_STATIC_LINK=y +CT_WANTS_STATIC_LINK_CXX=y +# CT_STATIC_TOOLCHAIN is not set +CT_SHOW_CT_VERSION=y +CT_TOOLCHAIN_PKGVERSION="" +CT_TOOLCHAIN_BUGURL="" + +# +# Tuple completion and aliasing +# +CT_TARGET_VENDOR="unknown" +CT_TARGET_ALIAS_SED_EXPR="" +CT_TARGET_ALIAS="" + +# +# Toolchain type +# +CT_CROSS=y +# CT_CANADIAN is not set +CT_TOOLCHAIN_TYPE="cross" + +# +# Build system +# +CT_BUILD="" +CT_BUILD_PREFIX="" +CT_BUILD_SUFFIX="" + +# +# Misc options +# +# CT_TOOLCHAIN_ENABLE_NLS is not set + +# +# Operating System +# +CT_KERNEL_SUPPORTS_SHARED_LIBS=y +# CT_KERNEL_BARE_METAL is not set +CT_KERNEL_LINUX=y +CT_KERNEL="linux" +CT_KERNEL_CHOICE_KSYM="LINUX" +CT_KERNEL_LINUX_SHOW=y + +# +# Options for linux +# +CT_KERNEL_LINUX_PKG_KSYM="LINUX" +CT_LINUX_DIR_NAME="linux" +CT_LINUX_PKG_NAME="linux" +CT_LINUX_SRC_RELEASE=y +CT_LINUX_PATCH_ORDER="global" +# CT_LINUX_V_4_20 is not set +# CT_LINUX_V_4_19 is not set +# CT_LINUX_V_4_18 is not set +# CT_LINUX_V_4_17 is not set +# CT_LINUX_V_4_16 is not set +# CT_LINUX_V_4_15 is not set +# CT_LINUX_V_4_14 is not set +# CT_LINUX_V_4_13 is not set +# CT_LINUX_V_4_12 is not set +# CT_LINUX_V_4_11 is not set +# CT_LINUX_V_4_10 is not set +# CT_LINUX_V_4_9 is not set +CT_LINUX_V_4_4=y +# CT_LINUX_V_4_1 is not set +# CT_LINUX_V_3_16 is not set +# CT_LINUX_V_3_13 is not set +# CT_LINUX_V_3_12 is not set +# CT_LINUX_V_3_10 is not set +# CT_LINUX_V_3_4 is not set +# CT_LINUX_V_3_2 is not set +# CT_LINUX_V_2_6_32 is not set +# CT_LINUX_NO_VERSIONS is not set +CT_LINUX_VERSION="4.4.174" +CT_LINUX_MIRRORS="$(CT_Mirrors kernel.org linux ${CT_LINUX_VERSION})" +CT_LINUX_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_LINUX_SIGNATURE_FORMAT="unpacked/.sign" +CT_LINUX_4_8_or_older=y +CT_LINUX_older_than_4_8=y +CT_LINUX_later_than_3_7=y +CT_LINUX_3_7_or_later=y +CT_LINUX_later_than_3_2=y +CT_LINUX_3_2_or_later=y +CT_KERNEL_LINUX_VERBOSITY_0=y +# CT_KERNEL_LINUX_VERBOSITY_1 is not set +# CT_KERNEL_LINUX_VERBOSITY_2 is not set +CT_KERNEL_LINUX_VERBOSE_LEVEL=0 +CT_KERNEL_LINUX_INSTALL_CHECK=y +CT_ALL_KERNEL_CHOICES="BARE_METAL LINUX WINDOWS" + +# +# Common kernel options +# +CT_SHARED_LIBS=y + +# +# Binary utilities +# +CT_ARCH_BINFMT_ELF=y +CT_BINUTILS_BINUTILS=y +CT_BINUTILS="binutils" +CT_BINUTILS_CHOICE_KSYM="BINUTILS" +CT_BINUTILS_BINUTILS_SHOW=y + +# +# Options for binutils +# +CT_BINUTILS_BINUTILS_PKG_KSYM="BINUTILS" +CT_BINUTILS_DIR_NAME="binutils" +CT_BINUTILS_USE_GNU=y +CT_BINUTILS_USE="BINUTILS" +CT_BINUTILS_PKG_NAME="binutils" +CT_BINUTILS_SRC_RELEASE=y +CT_BINUTILS_PATCH_ORDER="global" +CT_BINUTILS_V_2_32=y +# CT_BINUTILS_V_2_31 is not set +# CT_BINUTILS_V_2_30 is not set +# CT_BINUTILS_V_2_29 is not set +# CT_BINUTILS_V_2_28 is not set +# CT_BINUTILS_V_2_27 is not set +# CT_BINUTILS_V_2_26 is not set +# CT_BINUTILS_NO_VERSIONS is not set +CT_BINUTILS_VERSION="2.32" +CT_BINUTILS_MIRRORS="$(CT_Mirrors GNU binutils) $(CT_Mirrors sourceware binutils/releases)" +CT_BINUTILS_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_BINUTILS_SIGNATURE_FORMAT="packed/.sig" +CT_BINUTILS_later_than_2_30=y +CT_BINUTILS_2_30_or_later=y +CT_BINUTILS_later_than_2_27=y +CT_BINUTILS_2_27_or_later=y +CT_BINUTILS_later_than_2_25=y +CT_BINUTILS_2_25_or_later=y +CT_BINUTILS_later_than_2_23=y +CT_BINUTILS_2_23_or_later=y + +# +# GNU binutils +# +CT_BINUTILS_HAS_HASH_STYLE=y +CT_BINUTILS_HAS_GOLD=y +CT_BINUTILS_HAS_PLUGINS=y +CT_BINUTILS_HAS_PKGVERSION_BUGURL=y +CT_BINUTILS_FORCE_LD_BFD_DEFAULT=y +CT_BINUTILS_LINKER_LD=y +CT_BINUTILS_LINKERS_LIST="ld" +CT_BINUTILS_LINKER_DEFAULT="bfd" +# CT_BINUTILS_PLUGINS is not set +CT_BINUTILS_RELRO=m +CT_BINUTILS_EXTRA_CONFIG_ARRAY="" +# CT_BINUTILS_FOR_TARGET is not set +CT_ALL_BINUTILS_CHOICES="BINUTILS" + +# +# C-library +# +CT_LIBC_GLIBC=y +# CT_LIBC_UCLIBC is not set +CT_LIBC="glibc" +CT_LIBC_CHOICE_KSYM="GLIBC" +CT_THREADS="nptl" +CT_LIBC_GLIBC_SHOW=y + +# +# Options for glibc +# +CT_LIBC_GLIBC_PKG_KSYM="GLIBC" +CT_GLIBC_DIR_NAME="glibc" +CT_GLIBC_USE_GNU=y +CT_GLIBC_USE="GLIBC" +CT_GLIBC_PKG_NAME="glibc" +CT_GLIBC_SRC_RELEASE=y +CT_GLIBC_PATCH_ORDER="global" +# CT_GLIBC_V_2_29 is not set +# CT_GLIBC_V_2_28 is not set +# CT_GLIBC_V_2_27 is not set +# CT_GLIBC_V_2_26 is not set +# CT_GLIBC_V_2_25 is not set +# CT_GLIBC_V_2_24 is not set +CT_GLIBC_V_2_23=y +# CT_GLIBC_V_2_19 is not set +# CT_GLIBC_V_2_17 is not set +# CT_GLIBC_V_2_12_1 is not set +# CT_GLIBC_NO_VERSIONS is not set +CT_GLIBC_VERSION="2.23" +CT_GLIBC_MIRRORS="$(CT_Mirrors GNU glibc)" +CT_GLIBC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_GLIBC_SIGNATURE_FORMAT="packed/.sig" +CT_GLIBC_2_29_or_older=y +CT_GLIBC_older_than_2_29=y +CT_GLIBC_2_27_or_older=y +CT_GLIBC_older_than_2_27=y +CT_GLIBC_2_26_or_older=y +CT_GLIBC_older_than_2_26=y +CT_GLIBC_2_25_or_older=y +CT_GLIBC_older_than_2_25=y +CT_GLIBC_2_24_or_older=y +CT_GLIBC_older_than_2_24=y +CT_GLIBC_2_23_or_later=y +CT_GLIBC_2_23_or_older=y +CT_GLIBC_later_than_2_20=y +CT_GLIBC_2_20_or_later=y +CT_GLIBC_later_than_2_17=y +CT_GLIBC_2_17_or_later=y +CT_GLIBC_later_than_2_14=y +CT_GLIBC_2_14_or_later=y +CT_GLIBC_DEP_KERNEL_HEADERS_VERSION=y +CT_GLIBC_DEP_BINUTILS=y +CT_GLIBC_DEP_GCC=y +CT_GLIBC_DEP_PYTHON=y +CT_GLIBC_HAS_LIBIDN_ADDON=y +# CT_GLIBC_USE_LIBIDN_ADDON is not set +CT_GLIBC_NO_SPARC_V8=y +CT_GLIBC_HAS_OBSOLETE_RPC=y +CT_GLIBC_EXTRA_CONFIG_ARRAY="" +CT_GLIBC_CONFIGPARMS="" +CT_GLIBC_EXTRA_CFLAGS="" +CT_GLIBC_ENABLE_OBSOLETE_RPC=y +# CT_GLIBC_DISABLE_VERSIONING is not set +CT_GLIBC_OLDEST_ABI="" +CT_GLIBC_FORCE_UNWIND=y +# CT_GLIBC_LOCALES is not set +# CT_GLIBC_KERNEL_VERSION_NONE is not set +CT_GLIBC_KERNEL_VERSION_AS_HEADERS=y +# CT_GLIBC_KERNEL_VERSION_CHOSEN is not set +CT_GLIBC_MIN_KERNEL="4.4.174" +CT_ALL_LIBC_CHOICES="AVR_LIBC BIONIC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE UCLIBC" +CT_LIBC_SUPPORT_THREADS_ANY=y +CT_LIBC_SUPPORT_THREADS_NATIVE=y + +# +# Common C library options +# +CT_THREADS_NATIVE=y +# CT_CREATE_LDSO_CONF is not set +CT_LIBC_XLDD=y + +# +# C compiler +# +CT_CC_CORE_PASSES_NEEDED=y +CT_CC_CORE_PASS_1_NEEDED=y +CT_CC_CORE_PASS_2_NEEDED=y +CT_CC_SUPPORT_CXX=y +CT_CC_SUPPORT_FORTRAN=y +CT_CC_SUPPORT_ADA=y +CT_CC_SUPPORT_OBJC=y +CT_CC_SUPPORT_OBJCXX=y +CT_CC_SUPPORT_GOLANG=y +CT_CC_GCC=y +CT_CC="gcc" +CT_CC_CHOICE_KSYM="GCC" +CT_CC_GCC_SHOW=y + +# +# Options for gcc +# +CT_CC_GCC_PKG_KSYM="GCC" +CT_GCC_DIR_NAME="gcc" +CT_GCC_USE_GNU=y +CT_GCC_USE="GCC" +CT_GCC_PKG_NAME="gcc" +CT_GCC_SRC_RELEASE=y +CT_GCC_PATCH_ORDER="global" +CT_GCC_V_8=y +# CT_GCC_V_7 is not set +# CT_GCC_V_6 is not set +# CT_GCC_V_5 is not set +# CT_GCC_V_4_9 is not set +# CT_GCC_NO_VERSIONS is not set +CT_GCC_VERSION="8.3.0" +CT_GCC_MIRRORS="$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})" +CT_GCC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_GCC_SIGNATURE_FORMAT="" +CT_GCC_later_than_7=y +CT_GCC_7_or_later=y +CT_GCC_later_than_6=y +CT_GCC_6_or_later=y +CT_GCC_later_than_5=y +CT_GCC_5_or_later=y +CT_GCC_later_than_4_9=y +CT_GCC_4_9_or_later=y +CT_GCC_later_than_4_8=y +CT_GCC_4_8_or_later=y +CT_CC_GCC_HAS_LIBMPX=y +CT_CC_GCC_ENABLE_CXX_FLAGS="" +CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY="" +CT_CC_GCC_EXTRA_CONFIG_ARRAY="--with-fp-32=xx --with-odd-spreg-32=no" +CT_CC_GCC_STATIC_LIBSTDCXX=y +# CT_CC_GCC_SYSTEM_ZLIB is not set +CT_CC_GCC_CONFIG_TLS=m + +# +# Optimisation features +# +CT_CC_GCC_USE_GRAPHITE=y +CT_CC_GCC_USE_LTO=y + +# +# Settings for libraries running on target +# +CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y +# CT_CC_GCC_LIBMUDFLAP is not set +# CT_CC_GCC_LIBGOMP is not set +# CT_CC_GCC_LIBSSP is not set +# CT_CC_GCC_LIBQUADMATH is not set +# CT_CC_GCC_LIBSANITIZER is not set + +# +# Misc. obscure options. +# +CT_CC_CXA_ATEXIT=y +# CT_CC_GCC_DISABLE_PCH is not set +CT_CC_GCC_SJLJ_EXCEPTIONS=m +CT_CC_GCC_LDBL_128=m +# CT_CC_GCC_BUILD_ID is not set +CT_CC_GCC_LNK_HASH_STYLE_DEFAULT=y +# CT_CC_GCC_LNK_HASH_STYLE_SYSV is not set +# CT_CC_GCC_LNK_HASH_STYLE_GNU is not set +# CT_CC_GCC_LNK_HASH_STYLE_BOTH is not set +CT_CC_GCC_LNK_HASH_STYLE="" +CT_CC_GCC_DEC_FLOAT_AUTO=y +# CT_CC_GCC_DEC_FLOAT_BID is not set +# CT_CC_GCC_DEC_FLOAT_DPD is not set +# CT_CC_GCC_DEC_FLOATS_NO is not set +CT_CC_GCC_HAS_ARCH_OPTIONS=y + +# +# archictecture-specific options +# +CT_CC_GCC_mips_llsc=m +CT_CC_GCC_mips_synci=m +# CT_CC_GCC_mips_plt is not set +CT_ALL_CC_CHOICES="GCC" + +# +# Additional supported languages: +# +CT_CC_LANG_CXX=y +# CT_CC_LANG_FORTRAN is not set + +# +# Debug facilities +# +# CT_DEBUG_DUMA is not set +# CT_DEBUG_GDB is not set +# CT_DEBUG_LTRACE is not set +# CT_DEBUG_STRACE is not set +CT_ALL_DEBUG_CHOICES="DUMA GDB LTRACE STRACE" + +# +# Companion libraries +# +# CT_COMPLIBS_CHECK is not set +# CT_COMP_LIBS_CLOOG is not set +# CT_COMP_LIBS_EXPAT is not set +CT_COMP_LIBS_GETTEXT=y +CT_COMP_LIBS_GETTEXT_PKG_KSYM="GETTEXT" +CT_GETTEXT_DIR_NAME="gettext" +CT_GETTEXT_PKG_NAME="gettext" +CT_GETTEXT_SRC_RELEASE=y +CT_GETTEXT_PATCH_ORDER="global" +CT_GETTEXT_V_0_19_8_1=y +# CT_GETTEXT_NO_VERSIONS is not set +CT_GETTEXT_VERSION="0.19.8.1" +CT_GETTEXT_MIRRORS="$(CT_Mirrors GNU gettext)" +CT_GETTEXT_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.gz" +CT_GETTEXT_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_GMP=y +CT_COMP_LIBS_GMP_PKG_KSYM="GMP" +CT_GMP_DIR_NAME="gmp" +CT_GMP_PKG_NAME="gmp" +CT_GMP_SRC_RELEASE=y +CT_GMP_PATCH_ORDER="global" +CT_GMP_V_6_1=y +# CT_GMP_NO_VERSIONS is not set +CT_GMP_VERSION="6.1.2" +CT_GMP_MIRRORS="https://gmplib.org/download/gmp https://gmplib.org/download/gmp/archive $(CT_Mirrors GNU gmp)" +CT_GMP_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.bz2" +CT_GMP_SIGNATURE_FORMAT="packed/.sig" +CT_GMP_later_than_5_1_0=y +CT_GMP_5_1_0_or_later=y +CT_GMP_later_than_5_0_0=y +CT_GMP_5_0_0_or_later=y +CT_GMP_REQUIRE_5_0_0_or_later=y +CT_COMP_LIBS_ISL=y +CT_COMP_LIBS_ISL_PKG_KSYM="ISL" +CT_ISL_DIR_NAME="isl" +CT_ISL_PKG_NAME="isl" +CT_ISL_SRC_RELEASE=y +CT_ISL_PATCH_ORDER="global" +CT_ISL_V_0_20=y +# CT_ISL_V_0_19 is not set +# CT_ISL_V_0_18 is not set +# CT_ISL_V_0_17 is not set +# CT_ISL_V_0_16 is not set +# CT_ISL_V_0_15 is not set +# CT_ISL_NO_VERSIONS is not set +CT_ISL_VERSION="0.20" +CT_ISL_MIRRORS="http://isl.gforge.inria.fr" +CT_ISL_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_ISL_SIGNATURE_FORMAT="" +CT_ISL_later_than_0_18=y +CT_ISL_0_18_or_later=y +CT_ISL_later_than_0_15=y +CT_ISL_0_15_or_later=y +CT_ISL_REQUIRE_0_15_or_later=y +CT_ISL_later_than_0_14=y +CT_ISL_0_14_or_later=y +CT_ISL_REQUIRE_0_14_or_later=y +CT_ISL_later_than_0_13=y +CT_ISL_0_13_or_later=y +CT_ISL_later_than_0_12=y +CT_ISL_0_12_or_later=y +CT_ISL_REQUIRE_0_12_or_later=y +# CT_COMP_LIBS_LIBELF is not set +CT_COMP_LIBS_LIBICONV=y +CT_COMP_LIBS_LIBICONV_PKG_KSYM="LIBICONV" +CT_LIBICONV_DIR_NAME="libiconv" +CT_LIBICONV_PKG_NAME="libiconv" +CT_LIBICONV_SRC_RELEASE=y +CT_LIBICONV_PATCH_ORDER="global" +CT_LIBICONV_V_1_15=y +# CT_LIBICONV_NO_VERSIONS is not set +CT_LIBICONV_VERSION="1.15" +CT_LIBICONV_MIRRORS="$(CT_Mirrors GNU libiconv)" +CT_LIBICONV_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_FORMATS=".tar.gz" +CT_LIBICONV_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_MPC=y +CT_COMP_LIBS_MPC_PKG_KSYM="MPC" +CT_MPC_DIR_NAME="mpc" +CT_MPC_PKG_NAME="mpc" +CT_MPC_SRC_RELEASE=y +CT_MPC_PATCH_ORDER="global" +CT_MPC_V_1_1=y +# CT_MPC_V_1_0 is not set +# CT_MPC_NO_VERSIONS is not set +CT_MPC_VERSION="1.1.0" +CT_MPC_MIRRORS="http://www.multiprecision.org/downloads $(CT_Mirrors GNU mpc)" +CT_MPC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_FORMATS=".tar.gz" +CT_MPC_SIGNATURE_FORMAT="packed/.sig" +CT_MPC_1_1_0_or_later=y +CT_MPC_1_1_0_or_older=y +CT_COMP_LIBS_MPFR=y +CT_COMP_LIBS_MPFR_PKG_KSYM="MPFR" +CT_MPFR_DIR_NAME="mpfr" +CT_MPFR_PKG_NAME="mpfr" +CT_MPFR_SRC_RELEASE=y +CT_MPFR_PATCH_ORDER="global" +CT_MPFR_V_4_0=y +# CT_MPFR_V_3_1 is not set +# CT_MPFR_NO_VERSIONS is not set +CT_MPFR_VERSION="4.0.2" +CT_MPFR_MIRRORS="http://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)" +CT_MPFR_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz .zip" +CT_MPFR_SIGNATURE_FORMAT="packed/.asc" +CT_MPFR_later_than_4_0_0=y +CT_MPFR_4_0_0_or_later=y +CT_MPFR_later_than_3_0_0=y +CT_MPFR_3_0_0_or_later=y +CT_MPFR_REQUIRE_3_0_0_or_later=y +CT_COMP_LIBS_NCURSES=y +CT_COMP_LIBS_NCURSES_PKG_KSYM="NCURSES" +CT_NCURSES_DIR_NAME="ncurses" +CT_NCURSES_PKG_NAME="ncurses" +CT_NCURSES_SRC_RELEASE=y +CT_NCURSES_PATCH_ORDER="global" +CT_NCURSES_V_6_1=y +# CT_NCURSES_V_6_0 is not set +# CT_NCURSES_NO_VERSIONS is not set +CT_NCURSES_VERSION="6.1" +CT_NCURSES_MIRRORS="ftp://invisible-island.net/ncurses $(CT_Mirrors GNU ncurses)" +CT_NCURSES_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_FORMATS=".tar.gz" +CT_NCURSES_SIGNATURE_FORMAT="packed/.sig" +CT_NCURSES_HOST_CONFIG_ARGS="" +CT_NCURSES_HOST_DISABLE_DB=y +CT_NCURSES_HOST_FALLBACKS="linux,xterm,xterm-color,xterm-256color,vt100" +CT_NCURSES_TARGET_CONFIG_ARGS="" +# CT_NCURSES_TARGET_DISABLE_DB is not set +CT_NCURSES_TARGET_FALLBACKS="" +CT_COMP_LIBS_ZLIB=y +CT_COMP_LIBS_ZLIB_PKG_KSYM="ZLIB" +CT_ZLIB_DIR_NAME="zlib" +CT_ZLIB_PKG_NAME="zlib" +CT_ZLIB_SRC_RELEASE=y +CT_ZLIB_PATCH_ORDER="global" +CT_ZLIB_V_1_2_11=y +# CT_ZLIB_NO_VERSIONS is not set +CT_ZLIB_VERSION="1.2.11" +CT_ZLIB_MIRRORS="http://downloads.sourceforge.net/project/libpng/zlib/${CT_ZLIB_VERSION}" +CT_ZLIB_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_ZLIB_SIGNATURE_FORMAT="packed/.asc" +CT_ALL_COMP_LIBS_CHOICES="CLOOG EXPAT GETTEXT GMP ISL LIBELF LIBICONV MPC MPFR NCURSES ZLIB" +CT_LIBICONV_NEEDED=y +CT_GETTEXT_NEEDED=y +CT_GMP_NEEDED=y +CT_MPFR_NEEDED=y +CT_ISL_NEEDED=y +CT_MPC_NEEDED=y +CT_NCURSES_NEEDED=y +CT_ZLIB_NEEDED=y +CT_LIBICONV=y +CT_GETTEXT=y +CT_GMP=y +CT_MPFR=y +CT_ISL=y +CT_MPC=y +CT_NCURSES=y +CT_ZLIB=y + +# +# Companion tools +# +# CT_COMP_TOOLS_FOR_HOST is not set +# CT_COMP_TOOLS_AUTOCONF is not set +# CT_COMP_TOOLS_AUTOMAKE is not set +# CT_COMP_TOOLS_BISON is not set +# CT_COMP_TOOLS_DTC is not set +# CT_COMP_TOOLS_LIBTOOL is not set +# CT_COMP_TOOLS_M4 is not set +# CT_COMP_TOOLS_MAKE is not set +CT_ALL_COMP_TOOLS_CHOICES="AUTOCONF AUTOMAKE BISON DTC LIBTOOL M4 MAKE" diff --git a/src/ci/docker/host-x86_64/dist-mips-linux/patches/glibc/2.23/0001-MIPS-SPARC-fix-wrong-vfork-aliases-in-libpthread.so.patch b/src/ci/docker/host-x86_64/dist-mips-linux/patches/glibc/2.23/0001-MIPS-SPARC-fix-wrong-vfork-aliases-in-libpthread.so.patch new file mode 100644 index 00000000000..393084df324 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips-linux/patches/glibc/2.23/0001-MIPS-SPARC-fix-wrong-vfork-aliases-in-libpthread.so.patch @@ -0,0 +1,44 @@ +From 43c2948756bb6e144c7b871e827bba37d61ad3a3 Mon Sep 17 00:00:00 2001 +From: Aurelien Jarno <aurelien@aurel32.net> +Date: Sat, 18 Jun 2016 19:11:23 +0200 +Subject: [PATCH 1/2] MIPS, SPARC: fix wrong vfork aliases in libpthread.so + +With recent binutils versions the GNU libc fails to build on at least +MISP and SPARC, with this kind of error: + + /home/aurel32/glibc/glibc-build/nptl/libpthread.so:(*IND*+0x0): multiple definition of `vfork@GLIBC_2.0' + /home/aurel32/glibc/glibc-build/nptl/libpthread.so::(.text+0xee50): first defined here + +It appears that on these architectures pt-vfork.S includes vfork.S +(through the alpha version of pt-vfork.S) and that the __vfork aliases +are not conditionalized on IS_IN (libc) like on other architectures. +Therefore the aliases are also wrongly included in libpthread.so. + +Fix this by properly conditionalizing the aliases like on other +architectures. + +Changelog: + * sysdeps/unix/sysv/linux/mips/vfork.S (__vfork): Conditionalize + hidden_def, weak_alias and strong_alias on [IS_IN (libc)]. + * sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: Likewise. +--- + sysdeps/unix/sysv/linux/mips/vfork.S | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/sysdeps/unix/sysv/linux/mips/vfork.S b/sysdeps/unix/sysv/linux/mips/vfork.S +index 8c6615143708..c0c0ce699159 100644 +--- a/sysdeps/unix/sysv/linux/mips/vfork.S ++++ b/sysdeps/unix/sysv/linux/mips/vfork.S +@@ -106,6 +106,8 @@ L(error): + #endif + END(__vfork) + ++#if IS_IN (libc) + libc_hidden_def(__vfork) + weak_alias (__vfork, vfork) + strong_alias (__vfork, __libc_vfork) ++#endif +-- +2.37.3 + diff --git a/src/ci/docker/host-x86_64/dist-mips-linux/patches/glibc/2.23/0002-MIPS-SPARC-more-fixes-to-the-vfork-aliases-in-libpth.patch b/src/ci/docker/host-x86_64/dist-mips-linux/patches/glibc/2.23/0002-MIPS-SPARC-more-fixes-to-the-vfork-aliases-in-libpth.patch new file mode 100644 index 00000000000..e28c7ae99f0 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips-linux/patches/glibc/2.23/0002-MIPS-SPARC-more-fixes-to-the-vfork-aliases-in-libpth.patch @@ -0,0 +1,63 @@ +From b87c1ec3fa398646f042a68f0ce0f7d09c1348c7 Mon Sep 17 00:00:00 2001 +From: Aurelien Jarno <aurelien@aurel32.net> +Date: Tue, 21 Jun 2016 23:59:37 +0200 +Subject: [PATCH 2/2] MIPS, SPARC: more fixes to the vfork aliases in + libpthread.so + +Commit 43c29487 tried to fix the vfork aliases in libpthread.so on MIPS +and SPARC, but failed to do it correctly, introducing an ABI change. + +This patch does the remaining changes needed to align the MIPS and SPARC +vfork implementations with the other architectures. That way the the +alpha version of pt-vfork.S works correctly for MIPS and SPARC. The +changes for alpha were done in 82aab97c. + +Changelog: + * sysdeps/unix/sysv/linux/mips/vfork.S (__vfork): Rename into + __libc_vfork. + (__vfork) [IS_IN (libc)]: Remove alias. + (__libc_vfork) [IS_IN (libc)]: Define as an alias. + * sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S: Likewise. + * sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S: Likewise. +--- + sysdeps/unix/sysv/linux/mips/vfork.S | 12 ++++++------ + 1 file changed, 6 insertions(+), 6 deletions(-) + +diff --git a/sysdeps/unix/sysv/linux/mips/vfork.S b/sysdeps/unix/sysv/linux/mips/vfork.S +index c0c0ce699159..1867c8626ebe 100644 +--- a/sysdeps/unix/sysv/linux/mips/vfork.S ++++ b/sysdeps/unix/sysv/linux/mips/vfork.S +@@ -31,13 +31,13 @@ + LOCALSZ= 1 + FRAMESZ= (((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK + GPOFF= FRAMESZ-(1*SZREG) +-NESTED(__vfork,FRAMESZ,sp) ++NESTED(__libc_vfork,FRAMESZ,sp) + #ifdef __PIC__ + SETUP_GP + #endif + PTR_SUBU sp, FRAMESZ + cfi_adjust_cfa_offset (FRAMESZ) +- SETUP_GP64_REG (a5, __vfork) ++ SETUP_GP64_REG (a5, __libc_vfork) + #ifdef __PIC__ + SAVE_GP (GPOFF) + #endif +@@ -104,10 +104,10 @@ L(error): + RESTORE_GP64_REG + j __syscall_error + #endif +- END(__vfork) ++ END(__libc_vfork) + + #if IS_IN (libc) +-libc_hidden_def(__vfork) +-weak_alias (__vfork, vfork) +-strong_alias (__vfork, __libc_vfork) ++weak_alias (__libc_vfork, vfork) ++strong_alias (__libc_vfork, __vfork) ++libc_hidden_def (__vfork) + #endif +-- +2.37.3 + diff --git a/src/ci/docker/host-x86_64/dist-mips64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-mips64-linux/Dockerfile index fd15dbd22c6..de862e1df2d 100644 --- a/src/ci/docker/host-x86_64/dist-mips64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-mips64-linux/Dockerfile @@ -1,30 +1,30 @@ -FROM ubuntu:16.04 - -RUN apt-get update && apt-get install -y --no-install-recommends \ - g++ \ - make \ - ninja-build \ - file \ - curl \ - ca-certificates \ - python3 \ - git \ - cmake \ - sudo \ - gdb \ - xz-utils \ - g++-mips64-linux-gnuabi64 \ - libssl-dev \ - pkg-config +FROM ubuntu:22.04 + +COPY scripts/cross-apt-packages.sh /scripts/ +RUN sh /scripts/cross-apt-packages.sh + +COPY scripts/crosstool-ng-1.24.sh /scripts/ +RUN sh /scripts/crosstool-ng-1.24.sh + +COPY scripts/rustbuild-setup.sh /scripts/ +RUN sh /scripts/rustbuild-setup.sh +WORKDIR /tmp + +COPY host-x86_64/dist-mips-linux/patches/ /tmp/patches/ +COPY host-x86_64/dist-mips64-linux/mips64-linux-gnu.config host-x86_64/dist-mips64-linux/build-mips64-toolchain.sh /tmp/ +RUN su rustbuild -c ./build-mips64-toolchain.sh COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -COPY scripts/cmake.sh /scripts/ -RUN /scripts/cmake.sh +ENV PATH=$PATH:/x-tools/mips64-unknown-linux-gnu/bin + +ENV \ + CC_mips64_unknown_linux_gnuabi64=mips64-unknown-linux-gnu-gcc \ + AR_mips64_unknown_linux_gnuabi64=mips64-unknown-linux-gnu-ar \ + CXX_mips64_unknown_linux_gnuabi64=mips64-unknown-linux-gnu-g++ ENV HOSTS=mips64-unknown-linux-gnuabi64 -ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs \ - --set llvm.allow-old-toolchain +ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS diff --git a/src/ci/docker/host-x86_64/dist-mips64-linux/build-mips64-toolchain.sh b/src/ci/docker/host-x86_64/dist-mips64-linux/build-mips64-toolchain.sh new file mode 100755 index 00000000000..f554a5f4754 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips64-linux/build-mips64-toolchain.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash +set -ex + +hide_output() { + set +x + on_err=" +echo ERROR: An error was encountered with the build. +cat /tmp/build.log +exit 1 +" + trap "$on_err" ERR + bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & + PING_LOOP_PID=$! + "$@" &> /tmp/build.log + rm /tmp/build.log + trap - ERR + kill $PING_LOOP_PID + set -x +} + +mkdir build +cd build +cp ../mips64-linux-gnu.config .config +hide_output ct-ng build +cd .. +rm -rf build diff --git a/src/ci/docker/host-x86_64/dist-mips64-linux/mips64-linux-gnu.config b/src/ci/docker/host-x86_64/dist-mips64-linux/mips64-linux-gnu.config new file mode 100644 index 00000000000..4b1efe24aed --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips64-linux/mips64-linux-gnu.config @@ -0,0 +1,741 @@ +# +# Automatically generated file; DO NOT EDIT. +# crosstool-NG Configuration +# +CT_CONFIGURE_has_static_link=y +CT_CONFIGURE_has_cxx11=y +CT_CONFIGURE_has_wget=y +CT_CONFIGURE_has_curl=y +CT_CONFIGURE_has_make_3_81_or_newer=y +CT_CONFIGURE_has_make_4_0_or_newer=y +CT_CONFIGURE_has_libtool_2_4_or_newer=y +CT_CONFIGURE_has_libtoolize_2_4_or_newer=y +CT_CONFIGURE_has_autoconf_2_65_or_newer=y +CT_CONFIGURE_has_autoreconf_2_65_or_newer=y +CT_CONFIGURE_has_automake_1_15_or_newer=y +CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y +CT_CONFIGURE_has_python_3_4_or_newer=y +CT_CONFIGURE_has_bison_2_7_or_newer=y +CT_CONFIGURE_has_python=y +CT_CONFIGURE_has_git=y +CT_CONFIGURE_has_md5sum=y +CT_CONFIGURE_has_sha1sum=y +CT_CONFIGURE_has_sha256sum=y +CT_CONFIGURE_has_sha512sum=y +CT_CONFIGURE_has_install_with_strip_program=y +CT_CONFIG_VERSION_CURRENT="3" +CT_CONFIG_VERSION="3" +CT_MODULES=y + +# +# Paths and misc options +# + +# +# crosstool-NG behavior +# +# CT_OBSOLETE is not set +# CT_EXPERIMENTAL is not set +# CT_DEBUG_CT is not set + +# +# Paths +# +CT_LOCAL_TARBALLS_DIR="${HOME}/src" +CT_SAVE_TARBALLS=y +# CT_TARBALLS_BUILDROOT_LAYOUT is not set +CT_WORK_DIR="${CT_TOP_DIR}/.build" +CT_BUILD_TOP_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/.build}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}" +CT_PREFIX_DIR="/x-tools/${CT_TARGET}" +CT_RM_RF_PREFIX_DIR=y +CT_REMOVE_DOCS=y +CT_INSTALL_LICENSES=y +CT_PREFIX_DIR_RO=y +CT_STRIP_HOST_TOOLCHAIN_EXECUTABLES=y +# CT_STRIP_TARGET_TOOLCHAIN_EXECUTABLES is not set + +# +# Downloading +# +CT_DOWNLOAD_AGENT_WGET=y +# CT_DOWNLOAD_AGENT_CURL is not set +# CT_DOWNLOAD_AGENT_NONE is not set +# CT_FORBID_DOWNLOAD is not set +# CT_FORCE_DOWNLOAD is not set +CT_CONNECT_TIMEOUT=10 +CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=3 -nc --progress=dot:binary" +# CT_ONLY_DOWNLOAD is not set +CT_USE_MIRROR=y +# CT_FORCE_MIRROR is not set +CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc" +CT_VERIFY_DOWNLOAD_DIGEST=y +CT_VERIFY_DOWNLOAD_DIGEST_SHA512=y +# CT_VERIFY_DOWNLOAD_DIGEST_SHA256 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_SHA1 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_MD5 is not set +CT_VERIFY_DOWNLOAD_DIGEST_ALG="sha512" +# CT_VERIFY_DOWNLOAD_SIGNATURE is not set + +# +# Extracting +# +# CT_FORCE_EXTRACT is not set +CT_OVERRIDE_CONFIG_GUESS_SUB=y +# CT_ONLY_EXTRACT is not set +# CT_PATCH_BUNDLED is not set +CT_PATCH_BUNDLED_LOCAL=y +CT_PATCH_ORDER="bundled,local" +CT_PATCH_USE_LOCAL=y +CT_LOCAL_PATCH_DIR="/tmp/patches" + +# +# Build behavior +# +CT_PARALLEL_JOBS=0 +CT_LOAD="" +CT_USE_PIPES=y +CT_EXTRA_CFLAGS_FOR_BUILD="" +CT_EXTRA_LDFLAGS_FOR_BUILD="" +CT_EXTRA_CFLAGS_FOR_HOST="" +CT_EXTRA_LDFLAGS_FOR_HOST="" +# CT_CONFIG_SHELL_SH is not set +# CT_CONFIG_SHELL_ASH is not set +CT_CONFIG_SHELL_BASH=y +# CT_CONFIG_SHELL_CUSTOM is not set +CT_CONFIG_SHELL="${bash}" + +# +# Logging +# +# CT_LOG_ERROR is not set +# CT_LOG_WARN is not set +# CT_LOG_INFO is not set +CT_LOG_EXTRA=y +# CT_LOG_ALL is not set +# CT_LOG_DEBUG is not set +CT_LOG_LEVEL_MAX="EXTRA" +# CT_LOG_SEE_TOOLS_WARN is not set +CT_LOG_PROGRESS_BAR=y +CT_LOG_TO_FILE=y +CT_LOG_FILE_COMPRESS=y + +# +# Target options +# +# CT_ARCH_ALPHA is not set +# CT_ARCH_ARC is not set +# CT_ARCH_ARM is not set +# CT_ARCH_AVR is not set +# CT_ARCH_M68K is not set +CT_ARCH_MIPS=y +# CT_ARCH_NIOS2 is not set +# CT_ARCH_POWERPC is not set +# CT_ARCH_S390 is not set +# CT_ARCH_SH is not set +# CT_ARCH_SPARC is not set +# CT_ARCH_X86 is not set +# CT_ARCH_XTENSA is not set +CT_ARCH="mips" +CT_ARCH_CHOICE_KSYM="MIPS" +CT_ARCH_TUNE="" +CT_ARCH_MIPS_SHOW=y + +# +# Options for mips +# +CT_ARCH_MIPS_PKG_KSYM="" +# CT_ARCH_mips_n32 is not set +CT_ARCH_mips_n64=y +CT_ARCH_mips_ABI="64" +CT_ALL_ARCH_CHOICES="ALPHA ARC ARM AVR M68K MICROBLAZE MIPS MOXIE MSP430 NIOS2 POWERPC RISCV S390 SH SPARC X86 XTENSA" +CT_ARCH_SUFFIX="" +# CT_OMIT_TARGET_VENDOR is not set + +# +# Generic target options +# +# CT_MULTILIB is not set +CT_DEMULTILIB=y +CT_ARCH_USE_MMU=y +CT_ARCH_SUPPORTS_EITHER_ENDIAN=y +CT_ARCH_DEFAULT_BE=y +CT_ARCH_BE=y +# CT_ARCH_LE is not set +CT_ARCH_ENDIAN="big" +CT_ARCH_SUPPORTS_32=y +CT_ARCH_SUPPORTS_64=y +CT_ARCH_DEFAULT_32=y +CT_ARCH_BITNESS=64 +# CT_ARCH_32 is not set +CT_ARCH_64=y + +# +# Target optimisations +# +CT_ARCH_SUPPORTS_WITH_ARCH=y +CT_ARCH_SUPPORTS_WITH_TUNE=y +CT_ARCH_SUPPORTS_WITH_FLOAT=y +CT_ARCH_ARCH="mips64r2" +CT_ARCH_FLOAT_AUTO=y +# CT_ARCH_FLOAT_HW is not set +# CT_ARCH_FLOAT_SW is not set +CT_TARGET_CFLAGS="" +CT_TARGET_LDFLAGS="" +CT_ARCH_FLOAT="auto" + +# +# Toolchain options +# + +# +# General toolchain options +# +CT_FORCE_SYSROOT=y +CT_USE_SYSROOT=y +CT_SYSROOT_NAME="sysroot" +CT_SYSROOT_DIR_PREFIX="" +CT_WANTS_STATIC_LINK=y +CT_WANTS_STATIC_LINK_CXX=y +# CT_STATIC_TOOLCHAIN is not set +CT_SHOW_CT_VERSION=y +CT_TOOLCHAIN_PKGVERSION="" +CT_TOOLCHAIN_BUGURL="" + +# +# Tuple completion and aliasing +# +CT_TARGET_VENDOR="unknown" +CT_TARGET_ALIAS_SED_EXPR="" +CT_TARGET_ALIAS="" + +# +# Toolchain type +# +CT_CROSS=y +# CT_CANADIAN is not set +CT_TOOLCHAIN_TYPE="cross" + +# +# Build system +# +CT_BUILD="" +CT_BUILD_PREFIX="" +CT_BUILD_SUFFIX="" + +# +# Misc options +# +# CT_TOOLCHAIN_ENABLE_NLS is not set + +# +# Operating System +# +CT_KERNEL_SUPPORTS_SHARED_LIBS=y +# CT_KERNEL_BARE_METAL is not set +CT_KERNEL_LINUX=y +CT_KERNEL="linux" +CT_KERNEL_CHOICE_KSYM="LINUX" +CT_KERNEL_LINUX_SHOW=y + +# +# Options for linux +# +CT_KERNEL_LINUX_PKG_KSYM="LINUX" +CT_LINUX_DIR_NAME="linux" +CT_LINUX_PKG_NAME="linux" +CT_LINUX_SRC_RELEASE=y +CT_LINUX_PATCH_ORDER="global" +# CT_LINUX_V_4_20 is not set +# CT_LINUX_V_4_19 is not set +# CT_LINUX_V_4_18 is not set +# CT_LINUX_V_4_17 is not set +# CT_LINUX_V_4_16 is not set +# CT_LINUX_V_4_15 is not set +# CT_LINUX_V_4_14 is not set +# CT_LINUX_V_4_13 is not set +# CT_LINUX_V_4_12 is not set +# CT_LINUX_V_4_11 is not set +# CT_LINUX_V_4_10 is not set +# CT_LINUX_V_4_9 is not set +CT_LINUX_V_4_4=y +# CT_LINUX_V_4_1 is not set +# CT_LINUX_V_3_16 is not set +# CT_LINUX_V_3_13 is not set +# CT_LINUX_V_3_12 is not set +# CT_LINUX_V_3_10 is not set +# CT_LINUX_V_3_4 is not set +# CT_LINUX_V_3_2 is not set +# CT_LINUX_V_2_6_32 is not set +# CT_LINUX_NO_VERSIONS is not set +CT_LINUX_VERSION="4.4.174" +CT_LINUX_MIRRORS="$(CT_Mirrors kernel.org linux ${CT_LINUX_VERSION})" +CT_LINUX_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_LINUX_SIGNATURE_FORMAT="unpacked/.sign" +CT_LINUX_4_8_or_older=y +CT_LINUX_older_than_4_8=y +CT_LINUX_later_than_3_7=y +CT_LINUX_3_7_or_later=y +CT_LINUX_later_than_3_2=y +CT_LINUX_3_2_or_later=y +CT_KERNEL_LINUX_VERBOSITY_0=y +# CT_KERNEL_LINUX_VERBOSITY_1 is not set +# CT_KERNEL_LINUX_VERBOSITY_2 is not set +CT_KERNEL_LINUX_VERBOSE_LEVEL=0 +CT_KERNEL_LINUX_INSTALL_CHECK=y +CT_ALL_KERNEL_CHOICES="BARE_METAL LINUX WINDOWS" + +# +# Common kernel options +# +CT_SHARED_LIBS=y + +# +# Binary utilities +# +CT_ARCH_BINFMT_ELF=y +CT_BINUTILS_BINUTILS=y +CT_BINUTILS="binutils" +CT_BINUTILS_CHOICE_KSYM="BINUTILS" +CT_BINUTILS_BINUTILS_SHOW=y + +# +# Options for binutils +# +CT_BINUTILS_BINUTILS_PKG_KSYM="BINUTILS" +CT_BINUTILS_DIR_NAME="binutils" +CT_BINUTILS_USE_GNU=y +CT_BINUTILS_USE="BINUTILS" +CT_BINUTILS_PKG_NAME="binutils" +CT_BINUTILS_SRC_RELEASE=y +CT_BINUTILS_PATCH_ORDER="global" +CT_BINUTILS_V_2_32=y +# CT_BINUTILS_V_2_31 is not set +# CT_BINUTILS_V_2_30 is not set +# CT_BINUTILS_V_2_29 is not set +# CT_BINUTILS_V_2_28 is not set +# CT_BINUTILS_V_2_27 is not set +# CT_BINUTILS_V_2_26 is not set +# CT_BINUTILS_NO_VERSIONS is not set +CT_BINUTILS_VERSION="2.32" +CT_BINUTILS_MIRRORS="$(CT_Mirrors GNU binutils) $(CT_Mirrors sourceware binutils/releases)" +CT_BINUTILS_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_BINUTILS_SIGNATURE_FORMAT="packed/.sig" +CT_BINUTILS_later_than_2_30=y +CT_BINUTILS_2_30_or_later=y +CT_BINUTILS_later_than_2_27=y +CT_BINUTILS_2_27_or_later=y +CT_BINUTILS_later_than_2_25=y +CT_BINUTILS_2_25_or_later=y +CT_BINUTILS_later_than_2_23=y +CT_BINUTILS_2_23_or_later=y + +# +# GNU binutils +# +CT_BINUTILS_HAS_HASH_STYLE=y +CT_BINUTILS_HAS_GOLD=y +CT_BINUTILS_HAS_PLUGINS=y +CT_BINUTILS_HAS_PKGVERSION_BUGURL=y +CT_BINUTILS_FORCE_LD_BFD_DEFAULT=y +CT_BINUTILS_LINKER_LD=y +CT_BINUTILS_LINKERS_LIST="ld" +CT_BINUTILS_LINKER_DEFAULT="bfd" +# CT_BINUTILS_PLUGINS is not set +CT_BINUTILS_RELRO=m +CT_BINUTILS_EXTRA_CONFIG_ARRAY="" +# CT_BINUTILS_FOR_TARGET is not set +CT_ALL_BINUTILS_CHOICES="BINUTILS" + +# +# C-library +# +CT_LIBC_GLIBC=y +# CT_LIBC_UCLIBC is not set +CT_LIBC="glibc" +CT_LIBC_CHOICE_KSYM="GLIBC" +CT_THREADS="nptl" +CT_LIBC_GLIBC_SHOW=y + +# +# Options for glibc +# +CT_LIBC_GLIBC_PKG_KSYM="GLIBC" +CT_GLIBC_DIR_NAME="glibc" +CT_GLIBC_USE_GNU=y +CT_GLIBC_USE="GLIBC" +CT_GLIBC_PKG_NAME="glibc" +CT_GLIBC_SRC_RELEASE=y +CT_GLIBC_PATCH_ORDER="global" +# CT_GLIBC_V_2_29 is not set +# CT_GLIBC_V_2_28 is not set +# CT_GLIBC_V_2_27 is not set +# CT_GLIBC_V_2_26 is not set +# CT_GLIBC_V_2_25 is not set +# CT_GLIBC_V_2_24 is not set +CT_GLIBC_V_2_23=y +# CT_GLIBC_V_2_19 is not set +# CT_GLIBC_V_2_17 is not set +# CT_GLIBC_V_2_12_1 is not set +# CT_GLIBC_NO_VERSIONS is not set +CT_GLIBC_VERSION="2.23" +CT_GLIBC_MIRRORS="$(CT_Mirrors GNU glibc)" +CT_GLIBC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_GLIBC_SIGNATURE_FORMAT="packed/.sig" +CT_GLIBC_2_29_or_older=y +CT_GLIBC_older_than_2_29=y +CT_GLIBC_2_27_or_older=y +CT_GLIBC_older_than_2_27=y +CT_GLIBC_2_26_or_older=y +CT_GLIBC_older_than_2_26=y +CT_GLIBC_2_25_or_older=y +CT_GLIBC_older_than_2_25=y +CT_GLIBC_2_24_or_older=y +CT_GLIBC_older_than_2_24=y +CT_GLIBC_2_23_or_later=y +CT_GLIBC_2_23_or_older=y +CT_GLIBC_later_than_2_20=y +CT_GLIBC_2_20_or_later=y +CT_GLIBC_later_than_2_17=y +CT_GLIBC_2_17_or_later=y +CT_GLIBC_later_than_2_14=y +CT_GLIBC_2_14_or_later=y +CT_GLIBC_DEP_KERNEL_HEADERS_VERSION=y +CT_GLIBC_DEP_BINUTILS=y +CT_GLIBC_DEP_GCC=y +CT_GLIBC_DEP_PYTHON=y +CT_GLIBC_HAS_LIBIDN_ADDON=y +# CT_GLIBC_USE_LIBIDN_ADDON is not set +CT_GLIBC_NO_SPARC_V8=y +CT_GLIBC_HAS_OBSOLETE_RPC=y +CT_GLIBC_EXTRA_CONFIG_ARRAY="" +CT_GLIBC_CONFIGPARMS="" +CT_GLIBC_EXTRA_CFLAGS="" +CT_GLIBC_ENABLE_OBSOLETE_RPC=y +# CT_GLIBC_DISABLE_VERSIONING is not set +CT_GLIBC_OLDEST_ABI="" +CT_GLIBC_FORCE_UNWIND=y +# CT_GLIBC_LOCALES is not set +# CT_GLIBC_KERNEL_VERSION_NONE is not set +CT_GLIBC_KERNEL_VERSION_AS_HEADERS=y +# CT_GLIBC_KERNEL_VERSION_CHOSEN is not set +CT_GLIBC_MIN_KERNEL="4.4.174" +CT_ALL_LIBC_CHOICES="AVR_LIBC BIONIC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE UCLIBC" +CT_LIBC_SUPPORT_THREADS_ANY=y +CT_LIBC_SUPPORT_THREADS_NATIVE=y + +# +# Common C library options +# +CT_THREADS_NATIVE=y +# CT_CREATE_LDSO_CONF is not set +CT_LIBC_XLDD=y + +# +# C compiler +# +CT_CC_CORE_PASSES_NEEDED=y +CT_CC_CORE_PASS_1_NEEDED=y +CT_CC_CORE_PASS_2_NEEDED=y +CT_CC_SUPPORT_CXX=y +CT_CC_SUPPORT_FORTRAN=y +CT_CC_SUPPORT_ADA=y +CT_CC_SUPPORT_OBJC=y +CT_CC_SUPPORT_OBJCXX=y +CT_CC_SUPPORT_GOLANG=y +CT_CC_GCC=y +CT_CC="gcc" +CT_CC_CHOICE_KSYM="GCC" +CT_CC_GCC_SHOW=y + +# +# Options for gcc +# +CT_CC_GCC_PKG_KSYM="GCC" +CT_GCC_DIR_NAME="gcc" +CT_GCC_USE_GNU=y +CT_GCC_USE="GCC" +CT_GCC_PKG_NAME="gcc" +CT_GCC_SRC_RELEASE=y +CT_GCC_PATCH_ORDER="global" +CT_GCC_V_8=y +# CT_GCC_V_7 is not set +# CT_GCC_V_6 is not set +# CT_GCC_V_5 is not set +# CT_GCC_V_4_9 is not set +# CT_GCC_NO_VERSIONS is not set +CT_GCC_VERSION="8.3.0" +CT_GCC_MIRRORS="$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})" +CT_GCC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_GCC_SIGNATURE_FORMAT="" +CT_GCC_later_than_7=y +CT_GCC_7_or_later=y +CT_GCC_later_than_6=y +CT_GCC_6_or_later=y +CT_GCC_later_than_5=y +CT_GCC_5_or_later=y +CT_GCC_later_than_4_9=y +CT_GCC_4_9_or_later=y +CT_GCC_later_than_4_8=y +CT_GCC_4_8_or_later=y +CT_CC_GCC_HAS_LIBMPX=y +CT_CC_GCC_ENABLE_CXX_FLAGS="" +CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY="" +CT_CC_GCC_EXTRA_CONFIG_ARRAY="" +CT_CC_GCC_STATIC_LIBSTDCXX=y +# CT_CC_GCC_SYSTEM_ZLIB is not set +CT_CC_GCC_CONFIG_TLS=m + +# +# Optimisation features +# +CT_CC_GCC_USE_GRAPHITE=y +CT_CC_GCC_USE_LTO=y + +# +# Settings for libraries running on target +# +CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y +# CT_CC_GCC_LIBMUDFLAP is not set +# CT_CC_GCC_LIBGOMP is not set +# CT_CC_GCC_LIBSSP is not set +# CT_CC_GCC_LIBQUADMATH is not set +# CT_CC_GCC_LIBSANITIZER is not set + +# +# Misc. obscure options. +# +CT_CC_CXA_ATEXIT=y +# CT_CC_GCC_DISABLE_PCH is not set +CT_CC_GCC_SJLJ_EXCEPTIONS=m +CT_CC_GCC_LDBL_128=m +# CT_CC_GCC_BUILD_ID is not set +CT_CC_GCC_LNK_HASH_STYLE_DEFAULT=y +# CT_CC_GCC_LNK_HASH_STYLE_SYSV is not set +# CT_CC_GCC_LNK_HASH_STYLE_GNU is not set +# CT_CC_GCC_LNK_HASH_STYLE_BOTH is not set +CT_CC_GCC_LNK_HASH_STYLE="" +CT_CC_GCC_DEC_FLOAT_AUTO=y +# CT_CC_GCC_DEC_FLOAT_BID is not set +# CT_CC_GCC_DEC_FLOAT_DPD is not set +# CT_CC_GCC_DEC_FLOATS_NO is not set +CT_CC_GCC_HAS_ARCH_OPTIONS=y + +# +# archictecture-specific options +# +CT_CC_GCC_mips_llsc=m +CT_CC_GCC_mips_synci=m +# CT_CC_GCC_mips_plt is not set +CT_ALL_CC_CHOICES="GCC" + +# +# Additional supported languages: +# +CT_CC_LANG_CXX=y +# CT_CC_LANG_FORTRAN is not set + +# +# Debug facilities +# +# CT_DEBUG_DUMA is not set +# CT_DEBUG_GDB is not set +# CT_DEBUG_LTRACE is not set +# CT_DEBUG_STRACE is not set +CT_ALL_DEBUG_CHOICES="DUMA GDB LTRACE STRACE" + +# +# Companion libraries +# +# CT_COMPLIBS_CHECK is not set +# CT_COMP_LIBS_CLOOG is not set +# CT_COMP_LIBS_EXPAT is not set +CT_COMP_LIBS_GETTEXT=y +CT_COMP_LIBS_GETTEXT_PKG_KSYM="GETTEXT" +CT_GETTEXT_DIR_NAME="gettext" +CT_GETTEXT_PKG_NAME="gettext" +CT_GETTEXT_SRC_RELEASE=y +CT_GETTEXT_PATCH_ORDER="global" +CT_GETTEXT_V_0_19_8_1=y +# CT_GETTEXT_NO_VERSIONS is not set +CT_GETTEXT_VERSION="0.19.8.1" +CT_GETTEXT_MIRRORS="$(CT_Mirrors GNU gettext)" +CT_GETTEXT_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.gz" +CT_GETTEXT_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_GMP=y +CT_COMP_LIBS_GMP_PKG_KSYM="GMP" +CT_GMP_DIR_NAME="gmp" +CT_GMP_PKG_NAME="gmp" +CT_GMP_SRC_RELEASE=y +CT_GMP_PATCH_ORDER="global" +CT_GMP_V_6_1=y +# CT_GMP_NO_VERSIONS is not set +CT_GMP_VERSION="6.1.2" +CT_GMP_MIRRORS="https://gmplib.org/download/gmp https://gmplib.org/download/gmp/archive $(CT_Mirrors GNU gmp)" +CT_GMP_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.bz2" +CT_GMP_SIGNATURE_FORMAT="packed/.sig" +CT_GMP_later_than_5_1_0=y +CT_GMP_5_1_0_or_later=y +CT_GMP_later_than_5_0_0=y +CT_GMP_5_0_0_or_later=y +CT_GMP_REQUIRE_5_0_0_or_later=y +CT_COMP_LIBS_ISL=y +CT_COMP_LIBS_ISL_PKG_KSYM="ISL" +CT_ISL_DIR_NAME="isl" +CT_ISL_PKG_NAME="isl" +CT_ISL_SRC_RELEASE=y +CT_ISL_PATCH_ORDER="global" +CT_ISL_V_0_20=y +# CT_ISL_V_0_19 is not set +# CT_ISL_V_0_18 is not set +# CT_ISL_V_0_17 is not set +# CT_ISL_V_0_16 is not set +# CT_ISL_V_0_15 is not set +# CT_ISL_NO_VERSIONS is not set +CT_ISL_VERSION="0.20" +CT_ISL_MIRRORS="http://isl.gforge.inria.fr" +CT_ISL_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_ISL_SIGNATURE_FORMAT="" +CT_ISL_later_than_0_18=y +CT_ISL_0_18_or_later=y +CT_ISL_later_than_0_15=y +CT_ISL_0_15_or_later=y +CT_ISL_REQUIRE_0_15_or_later=y +CT_ISL_later_than_0_14=y +CT_ISL_0_14_or_later=y +CT_ISL_REQUIRE_0_14_or_later=y +CT_ISL_later_than_0_13=y +CT_ISL_0_13_or_later=y +CT_ISL_later_than_0_12=y +CT_ISL_0_12_or_later=y +CT_ISL_REQUIRE_0_12_or_later=y +# CT_COMP_LIBS_LIBELF is not set +CT_COMP_LIBS_LIBICONV=y +CT_COMP_LIBS_LIBICONV_PKG_KSYM="LIBICONV" +CT_LIBICONV_DIR_NAME="libiconv" +CT_LIBICONV_PKG_NAME="libiconv" +CT_LIBICONV_SRC_RELEASE=y +CT_LIBICONV_PATCH_ORDER="global" +CT_LIBICONV_V_1_15=y +# CT_LIBICONV_NO_VERSIONS is not set +CT_LIBICONV_VERSION="1.15" +CT_LIBICONV_MIRRORS="$(CT_Mirrors GNU libiconv)" +CT_LIBICONV_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_FORMATS=".tar.gz" +CT_LIBICONV_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_MPC=y +CT_COMP_LIBS_MPC_PKG_KSYM="MPC" +CT_MPC_DIR_NAME="mpc" +CT_MPC_PKG_NAME="mpc" +CT_MPC_SRC_RELEASE=y +CT_MPC_PATCH_ORDER="global" +CT_MPC_V_1_1=y +# CT_MPC_V_1_0 is not set +# CT_MPC_NO_VERSIONS is not set +CT_MPC_VERSION="1.1.0" +CT_MPC_MIRRORS="http://www.multiprecision.org/downloads $(CT_Mirrors GNU mpc)" +CT_MPC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_FORMATS=".tar.gz" +CT_MPC_SIGNATURE_FORMAT="packed/.sig" +CT_MPC_1_1_0_or_later=y +CT_MPC_1_1_0_or_older=y +CT_COMP_LIBS_MPFR=y +CT_COMP_LIBS_MPFR_PKG_KSYM="MPFR" +CT_MPFR_DIR_NAME="mpfr" +CT_MPFR_PKG_NAME="mpfr" +CT_MPFR_SRC_RELEASE=y +CT_MPFR_PATCH_ORDER="global" +CT_MPFR_V_4_0=y +# CT_MPFR_V_3_1 is not set +# CT_MPFR_NO_VERSIONS is not set +CT_MPFR_VERSION="4.0.2" +CT_MPFR_MIRRORS="http://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)" +CT_MPFR_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz .zip" +CT_MPFR_SIGNATURE_FORMAT="packed/.asc" +CT_MPFR_later_than_4_0_0=y +CT_MPFR_4_0_0_or_later=y +CT_MPFR_later_than_3_0_0=y +CT_MPFR_3_0_0_or_later=y +CT_MPFR_REQUIRE_3_0_0_or_later=y +CT_COMP_LIBS_NCURSES=y +CT_COMP_LIBS_NCURSES_PKG_KSYM="NCURSES" +CT_NCURSES_DIR_NAME="ncurses" +CT_NCURSES_PKG_NAME="ncurses" +CT_NCURSES_SRC_RELEASE=y +CT_NCURSES_PATCH_ORDER="global" +CT_NCURSES_V_6_1=y +# CT_NCURSES_V_6_0 is not set +# CT_NCURSES_NO_VERSIONS is not set +CT_NCURSES_VERSION="6.1" +CT_NCURSES_MIRRORS="ftp://invisible-island.net/ncurses $(CT_Mirrors GNU ncurses)" +CT_NCURSES_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_FORMATS=".tar.gz" +CT_NCURSES_SIGNATURE_FORMAT="packed/.sig" +CT_NCURSES_HOST_CONFIG_ARGS="" +CT_NCURSES_HOST_DISABLE_DB=y +CT_NCURSES_HOST_FALLBACKS="linux,xterm,xterm-color,xterm-256color,vt100" +CT_NCURSES_TARGET_CONFIG_ARGS="" +# CT_NCURSES_TARGET_DISABLE_DB is not set +CT_NCURSES_TARGET_FALLBACKS="" +CT_COMP_LIBS_ZLIB=y +CT_COMP_LIBS_ZLIB_PKG_KSYM="ZLIB" +CT_ZLIB_DIR_NAME="zlib" +CT_ZLIB_PKG_NAME="zlib" +CT_ZLIB_SRC_RELEASE=y +CT_ZLIB_PATCH_ORDER="global" +CT_ZLIB_V_1_2_11=y +# CT_ZLIB_NO_VERSIONS is not set +CT_ZLIB_VERSION="1.2.11" +CT_ZLIB_MIRRORS="http://downloads.sourceforge.net/project/libpng/zlib/${CT_ZLIB_VERSION}" +CT_ZLIB_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_ZLIB_SIGNATURE_FORMAT="packed/.asc" +CT_ALL_COMP_LIBS_CHOICES="CLOOG EXPAT GETTEXT GMP ISL LIBELF LIBICONV MPC MPFR NCURSES ZLIB" +CT_LIBICONV_NEEDED=y +CT_GETTEXT_NEEDED=y +CT_GMP_NEEDED=y +CT_MPFR_NEEDED=y +CT_ISL_NEEDED=y +CT_MPC_NEEDED=y +CT_NCURSES_NEEDED=y +CT_ZLIB_NEEDED=y +CT_LIBICONV=y +CT_GETTEXT=y +CT_GMP=y +CT_MPFR=y +CT_ISL=y +CT_MPC=y +CT_NCURSES=y +CT_ZLIB=y + +# +# Companion tools +# +# CT_COMP_TOOLS_FOR_HOST is not set +# CT_COMP_TOOLS_AUTOCONF is not set +# CT_COMP_TOOLS_AUTOMAKE is not set +# CT_COMP_TOOLS_BISON is not set +# CT_COMP_TOOLS_DTC is not set +# CT_COMP_TOOLS_LIBTOOL is not set +# CT_COMP_TOOLS_M4 is not set +# CT_COMP_TOOLS_MAKE is not set +CT_ALL_COMP_TOOLS_CHOICES="AUTOCONF AUTOMAKE BISON DTC LIBTOOL M4 MAKE" diff --git a/src/ci/docker/host-x86_64/dist-mips64el-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-mips64el-linux/Dockerfile index 376bdfb4a2f..b90950f7330 100644 --- a/src/ci/docker/host-x86_64/dist-mips64el-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-mips64el-linux/Dockerfile @@ -1,31 +1,30 @@ -FROM ubuntu:16.04 - -RUN apt-get update && apt-get install -y --no-install-recommends \ - g++ \ - make \ - ninja-build \ - file \ - curl \ - ca-certificates \ - python3 \ - git \ - cmake \ - sudo \ - gdb \ - xz-utils \ - g++-mips64el-linux-gnuabi64 \ - libssl-dev \ - pkg-config +FROM ubuntu:22.04 +COPY scripts/cross-apt-packages.sh /scripts/ +RUN sh /scripts/cross-apt-packages.sh + +COPY scripts/crosstool-ng-1.24.sh /scripts/ +RUN sh /scripts/crosstool-ng-1.24.sh + +COPY scripts/rustbuild-setup.sh /scripts/ +RUN sh /scripts/rustbuild-setup.sh +WORKDIR /tmp + +COPY host-x86_64/dist-mips-linux/patches/ /tmp/patches/ +COPY host-x86_64/dist-mips64el-linux/mips64el-linux-gnu.config host-x86_64/dist-mips64el-linux/build-mips64el-toolchain.sh /tmp/ +RUN su rustbuild -c ./build-mips64el-toolchain.sh COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -COPY scripts/cmake.sh /scripts/ -RUN /scripts/cmake.sh +ENV PATH=$PATH:/x-tools/mips64el-unknown-linux-gnu/bin + +ENV \ + CC_mips64el_unknown_linux_gnuabi64=mips64el-unknown-linux-gnu-gcc \ + AR_mips64el_unknown_linux_gnuabi64=mips64el-unknown-linux-gnu-ar \ + CXX_mips64el_unknown_linux_gnuabi64=mips64el-unknown-linux-gnu-g++ ENV HOSTS=mips64el-unknown-linux-gnuabi64 -ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs \ - --set llvm.allow-old-toolchain +ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS diff --git a/src/ci/docker/host-x86_64/dist-mips64el-linux/build-mips64el-toolchain.sh b/src/ci/docker/host-x86_64/dist-mips64el-linux/build-mips64el-toolchain.sh new file mode 100755 index 00000000000..1ad406800b1 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips64el-linux/build-mips64el-toolchain.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash +set -ex + +hide_output() { + set +x + on_err=" +echo ERROR: An error was encountered with the build. +cat /tmp/build.log +exit 1 +" + trap "$on_err" ERR + bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & + PING_LOOP_PID=$! + "$@" &> /tmp/build.log + rm /tmp/build.log + trap - ERR + kill $PING_LOOP_PID + set -x +} + +mkdir build +cd build +cp ../mips64el-linux-gnu.config .config +hide_output ct-ng build +cd .. +rm -rf build diff --git a/src/ci/docker/host-x86_64/dist-mips64el-linux/mips64el-linux-gnu.config b/src/ci/docker/host-x86_64/dist-mips64el-linux/mips64el-linux-gnu.config new file mode 100644 index 00000000000..baff944cf97 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mips64el-linux/mips64el-linux-gnu.config @@ -0,0 +1,741 @@ +# +# Automatically generated file; DO NOT EDIT. +# crosstool-NG Configuration +# +CT_CONFIGURE_has_static_link=y +CT_CONFIGURE_has_cxx11=y +CT_CONFIGURE_has_wget=y +CT_CONFIGURE_has_curl=y +CT_CONFIGURE_has_make_3_81_or_newer=y +CT_CONFIGURE_has_make_4_0_or_newer=y +CT_CONFIGURE_has_libtool_2_4_or_newer=y +CT_CONFIGURE_has_libtoolize_2_4_or_newer=y +CT_CONFIGURE_has_autoconf_2_65_or_newer=y +CT_CONFIGURE_has_autoreconf_2_65_or_newer=y +CT_CONFIGURE_has_automake_1_15_or_newer=y +CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y +CT_CONFIGURE_has_python_3_4_or_newer=y +CT_CONFIGURE_has_bison_2_7_or_newer=y +CT_CONFIGURE_has_python=y +CT_CONFIGURE_has_git=y +CT_CONFIGURE_has_md5sum=y +CT_CONFIGURE_has_sha1sum=y +CT_CONFIGURE_has_sha256sum=y +CT_CONFIGURE_has_sha512sum=y +CT_CONFIGURE_has_install_with_strip_program=y +CT_CONFIG_VERSION_CURRENT="3" +CT_CONFIG_VERSION="3" +CT_MODULES=y + +# +# Paths and misc options +# + +# +# crosstool-NG behavior +# +# CT_OBSOLETE is not set +# CT_EXPERIMENTAL is not set +# CT_DEBUG_CT is not set + +# +# Paths +# +CT_LOCAL_TARBALLS_DIR="${HOME}/src" +CT_SAVE_TARBALLS=y +# CT_TARBALLS_BUILDROOT_LAYOUT is not set +CT_WORK_DIR="${CT_TOP_DIR}/.build" +CT_BUILD_TOP_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/.build}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}" +CT_PREFIX_DIR="/x-tools/${CT_TARGET}" +CT_RM_RF_PREFIX_DIR=y +CT_REMOVE_DOCS=y +CT_INSTALL_LICENSES=y +CT_PREFIX_DIR_RO=y +CT_STRIP_HOST_TOOLCHAIN_EXECUTABLES=y +# CT_STRIP_TARGET_TOOLCHAIN_EXECUTABLES is not set + +# +# Downloading +# +CT_DOWNLOAD_AGENT_WGET=y +# CT_DOWNLOAD_AGENT_CURL is not set +# CT_DOWNLOAD_AGENT_NONE is not set +# CT_FORBID_DOWNLOAD is not set +# CT_FORCE_DOWNLOAD is not set +CT_CONNECT_TIMEOUT=10 +CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=3 -nc --progress=dot:binary" +# CT_ONLY_DOWNLOAD is not set +CT_USE_MIRROR=y +# CT_FORCE_MIRROR is not set +CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc" +CT_VERIFY_DOWNLOAD_DIGEST=y +CT_VERIFY_DOWNLOAD_DIGEST_SHA512=y +# CT_VERIFY_DOWNLOAD_DIGEST_SHA256 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_SHA1 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_MD5 is not set +CT_VERIFY_DOWNLOAD_DIGEST_ALG="sha512" +# CT_VERIFY_DOWNLOAD_SIGNATURE is not set + +# +# Extracting +# +# CT_FORCE_EXTRACT is not set +CT_OVERRIDE_CONFIG_GUESS_SUB=y +# CT_ONLY_EXTRACT is not set +# CT_PATCH_BUNDLED is not set +CT_PATCH_BUNDLED_LOCAL=y +CT_PATCH_ORDER="bundled,local" +CT_PATCH_USE_LOCAL=y +CT_LOCAL_PATCH_DIR="/tmp/patches" + +# +# Build behavior +# +CT_PARALLEL_JOBS=0 +CT_LOAD="" +CT_USE_PIPES=y +CT_EXTRA_CFLAGS_FOR_BUILD="" +CT_EXTRA_LDFLAGS_FOR_BUILD="" +CT_EXTRA_CFLAGS_FOR_HOST="" +CT_EXTRA_LDFLAGS_FOR_HOST="" +# CT_CONFIG_SHELL_SH is not set +# CT_CONFIG_SHELL_ASH is not set +CT_CONFIG_SHELL_BASH=y +# CT_CONFIG_SHELL_CUSTOM is not set +CT_CONFIG_SHELL="${bash}" + +# +# Logging +# +# CT_LOG_ERROR is not set +# CT_LOG_WARN is not set +# CT_LOG_INFO is not set +CT_LOG_EXTRA=y +# CT_LOG_ALL is not set +# CT_LOG_DEBUG is not set +CT_LOG_LEVEL_MAX="EXTRA" +# CT_LOG_SEE_TOOLS_WARN is not set +CT_LOG_PROGRESS_BAR=y +CT_LOG_TO_FILE=y +CT_LOG_FILE_COMPRESS=y + +# +# Target options +# +# CT_ARCH_ALPHA is not set +# CT_ARCH_ARC is not set +# CT_ARCH_ARM is not set +# CT_ARCH_AVR is not set +# CT_ARCH_M68K is not set +CT_ARCH_MIPS=y +# CT_ARCH_NIOS2 is not set +# CT_ARCH_POWERPC is not set +# CT_ARCH_S390 is not set +# CT_ARCH_SH is not set +# CT_ARCH_SPARC is not set +# CT_ARCH_X86 is not set +# CT_ARCH_XTENSA is not set +CT_ARCH="mips" +CT_ARCH_CHOICE_KSYM="MIPS" +CT_ARCH_TUNE="" +CT_ARCH_MIPS_SHOW=y + +# +# Options for mips +# +CT_ARCH_MIPS_PKG_KSYM="" +# CT_ARCH_mips_n32 is not set +CT_ARCH_mips_n64=y +CT_ARCH_mips_ABI="64" +CT_ALL_ARCH_CHOICES="ALPHA ARC ARM AVR M68K MICROBLAZE MIPS MOXIE MSP430 NIOS2 POWERPC RISCV S390 SH SPARC X86 XTENSA" +CT_ARCH_SUFFIX="" +# CT_OMIT_TARGET_VENDOR is not set + +# +# Generic target options +# +# CT_MULTILIB is not set +CT_DEMULTILIB=y +CT_ARCH_USE_MMU=y +CT_ARCH_SUPPORTS_EITHER_ENDIAN=y +CT_ARCH_DEFAULT_BE=y +# CT_ARCH_BE is not set +CT_ARCH_LE=y +CT_ARCH_ENDIAN="little" +CT_ARCH_SUPPORTS_32=y +CT_ARCH_SUPPORTS_64=y +CT_ARCH_DEFAULT_32=y +CT_ARCH_BITNESS=64 +# CT_ARCH_32 is not set +CT_ARCH_64=y + +# +# Target optimisations +# +CT_ARCH_SUPPORTS_WITH_ARCH=y +CT_ARCH_SUPPORTS_WITH_TUNE=y +CT_ARCH_SUPPORTS_WITH_FLOAT=y +CT_ARCH_ARCH="mips64r2" +CT_ARCH_FLOAT_AUTO=y +# CT_ARCH_FLOAT_HW is not set +# CT_ARCH_FLOAT_SW is not set +CT_TARGET_CFLAGS="" +CT_TARGET_LDFLAGS="" +CT_ARCH_FLOAT="auto" + +# +# Toolchain options +# + +# +# General toolchain options +# +CT_FORCE_SYSROOT=y +CT_USE_SYSROOT=y +CT_SYSROOT_NAME="sysroot" +CT_SYSROOT_DIR_PREFIX="" +CT_WANTS_STATIC_LINK=y +CT_WANTS_STATIC_LINK_CXX=y +# CT_STATIC_TOOLCHAIN is not set +CT_SHOW_CT_VERSION=y +CT_TOOLCHAIN_PKGVERSION="" +CT_TOOLCHAIN_BUGURL="" + +# +# Tuple completion and aliasing +# +CT_TARGET_VENDOR="unknown" +CT_TARGET_ALIAS_SED_EXPR="" +CT_TARGET_ALIAS="" + +# +# Toolchain type +# +CT_CROSS=y +# CT_CANADIAN is not set +CT_TOOLCHAIN_TYPE="cross" + +# +# Build system +# +CT_BUILD="" +CT_BUILD_PREFIX="" +CT_BUILD_SUFFIX="" + +# +# Misc options +# +# CT_TOOLCHAIN_ENABLE_NLS is not set + +# +# Operating System +# +CT_KERNEL_SUPPORTS_SHARED_LIBS=y +# CT_KERNEL_BARE_METAL is not set +CT_KERNEL_LINUX=y +CT_KERNEL="linux" +CT_KERNEL_CHOICE_KSYM="LINUX" +CT_KERNEL_LINUX_SHOW=y + +# +# Options for linux +# +CT_KERNEL_LINUX_PKG_KSYM="LINUX" +CT_LINUX_DIR_NAME="linux" +CT_LINUX_PKG_NAME="linux" +CT_LINUX_SRC_RELEASE=y +CT_LINUX_PATCH_ORDER="global" +# CT_LINUX_V_4_20 is not set +# CT_LINUX_V_4_19 is not set +# CT_LINUX_V_4_18 is not set +# CT_LINUX_V_4_17 is not set +# CT_LINUX_V_4_16 is not set +# CT_LINUX_V_4_15 is not set +# CT_LINUX_V_4_14 is not set +# CT_LINUX_V_4_13 is not set +# CT_LINUX_V_4_12 is not set +# CT_LINUX_V_4_11 is not set +# CT_LINUX_V_4_10 is not set +# CT_LINUX_V_4_9 is not set +CT_LINUX_V_4_4=y +# CT_LINUX_V_4_1 is not set +# CT_LINUX_V_3_16 is not set +# CT_LINUX_V_3_13 is not set +# CT_LINUX_V_3_12 is not set +# CT_LINUX_V_3_10 is not set +# CT_LINUX_V_3_4 is not set +# CT_LINUX_V_3_2 is not set +# CT_LINUX_V_2_6_32 is not set +# CT_LINUX_NO_VERSIONS is not set +CT_LINUX_VERSION="4.4.174" +CT_LINUX_MIRRORS="$(CT_Mirrors kernel.org linux ${CT_LINUX_VERSION})" +CT_LINUX_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_LINUX_SIGNATURE_FORMAT="unpacked/.sign" +CT_LINUX_4_8_or_older=y +CT_LINUX_older_than_4_8=y +CT_LINUX_later_than_3_7=y +CT_LINUX_3_7_or_later=y +CT_LINUX_later_than_3_2=y +CT_LINUX_3_2_or_later=y +CT_KERNEL_LINUX_VERBOSITY_0=y +# CT_KERNEL_LINUX_VERBOSITY_1 is not set +# CT_KERNEL_LINUX_VERBOSITY_2 is not set +CT_KERNEL_LINUX_VERBOSE_LEVEL=0 +CT_KERNEL_LINUX_INSTALL_CHECK=y +CT_ALL_KERNEL_CHOICES="BARE_METAL LINUX WINDOWS" + +# +# Common kernel options +# +CT_SHARED_LIBS=y + +# +# Binary utilities +# +CT_ARCH_BINFMT_ELF=y +CT_BINUTILS_BINUTILS=y +CT_BINUTILS="binutils" +CT_BINUTILS_CHOICE_KSYM="BINUTILS" +CT_BINUTILS_BINUTILS_SHOW=y + +# +# Options for binutils +# +CT_BINUTILS_BINUTILS_PKG_KSYM="BINUTILS" +CT_BINUTILS_DIR_NAME="binutils" +CT_BINUTILS_USE_GNU=y +CT_BINUTILS_USE="BINUTILS" +CT_BINUTILS_PKG_NAME="binutils" +CT_BINUTILS_SRC_RELEASE=y +CT_BINUTILS_PATCH_ORDER="global" +CT_BINUTILS_V_2_32=y +# CT_BINUTILS_V_2_31 is not set +# CT_BINUTILS_V_2_30 is not set +# CT_BINUTILS_V_2_29 is not set +# CT_BINUTILS_V_2_28 is not set +# CT_BINUTILS_V_2_27 is not set +# CT_BINUTILS_V_2_26 is not set +# CT_BINUTILS_NO_VERSIONS is not set +CT_BINUTILS_VERSION="2.32" +CT_BINUTILS_MIRRORS="$(CT_Mirrors GNU binutils) $(CT_Mirrors sourceware binutils/releases)" +CT_BINUTILS_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_BINUTILS_SIGNATURE_FORMAT="packed/.sig" +CT_BINUTILS_later_than_2_30=y +CT_BINUTILS_2_30_or_later=y +CT_BINUTILS_later_than_2_27=y +CT_BINUTILS_2_27_or_later=y +CT_BINUTILS_later_than_2_25=y +CT_BINUTILS_2_25_or_later=y +CT_BINUTILS_later_than_2_23=y +CT_BINUTILS_2_23_or_later=y + +# +# GNU binutils +# +CT_BINUTILS_HAS_HASH_STYLE=y +CT_BINUTILS_HAS_GOLD=y +CT_BINUTILS_HAS_PLUGINS=y +CT_BINUTILS_HAS_PKGVERSION_BUGURL=y +CT_BINUTILS_FORCE_LD_BFD_DEFAULT=y +CT_BINUTILS_LINKER_LD=y +CT_BINUTILS_LINKERS_LIST="ld" +CT_BINUTILS_LINKER_DEFAULT="bfd" +# CT_BINUTILS_PLUGINS is not set +CT_BINUTILS_RELRO=m +CT_BINUTILS_EXTRA_CONFIG_ARRAY="" +# CT_BINUTILS_FOR_TARGET is not set +CT_ALL_BINUTILS_CHOICES="BINUTILS" + +# +# C-library +# +CT_LIBC_GLIBC=y +# CT_LIBC_UCLIBC is not set +CT_LIBC="glibc" +CT_LIBC_CHOICE_KSYM="GLIBC" +CT_THREADS="nptl" +CT_LIBC_GLIBC_SHOW=y + +# +# Options for glibc +# +CT_LIBC_GLIBC_PKG_KSYM="GLIBC" +CT_GLIBC_DIR_NAME="glibc" +CT_GLIBC_USE_GNU=y +CT_GLIBC_USE="GLIBC" +CT_GLIBC_PKG_NAME="glibc" +CT_GLIBC_SRC_RELEASE=y +CT_GLIBC_PATCH_ORDER="global" +# CT_GLIBC_V_2_29 is not set +# CT_GLIBC_V_2_28 is not set +# CT_GLIBC_V_2_27 is not set +# CT_GLIBC_V_2_26 is not set +# CT_GLIBC_V_2_25 is not set +# CT_GLIBC_V_2_24 is not set +CT_GLIBC_V_2_23=y +# CT_GLIBC_V_2_19 is not set +# CT_GLIBC_V_2_17 is not set +# CT_GLIBC_V_2_12_1 is not set +# CT_GLIBC_NO_VERSIONS is not set +CT_GLIBC_VERSION="2.23" +CT_GLIBC_MIRRORS="$(CT_Mirrors GNU glibc)" +CT_GLIBC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_GLIBC_SIGNATURE_FORMAT="packed/.sig" +CT_GLIBC_2_29_or_older=y +CT_GLIBC_older_than_2_29=y +CT_GLIBC_2_27_or_older=y +CT_GLIBC_older_than_2_27=y +CT_GLIBC_2_26_or_older=y +CT_GLIBC_older_than_2_26=y +CT_GLIBC_2_25_or_older=y +CT_GLIBC_older_than_2_25=y +CT_GLIBC_2_24_or_older=y +CT_GLIBC_older_than_2_24=y +CT_GLIBC_2_23_or_later=y +CT_GLIBC_2_23_or_older=y +CT_GLIBC_later_than_2_20=y +CT_GLIBC_2_20_or_later=y +CT_GLIBC_later_than_2_17=y +CT_GLIBC_2_17_or_later=y +CT_GLIBC_later_than_2_14=y +CT_GLIBC_2_14_or_later=y +CT_GLIBC_DEP_KERNEL_HEADERS_VERSION=y +CT_GLIBC_DEP_BINUTILS=y +CT_GLIBC_DEP_GCC=y +CT_GLIBC_DEP_PYTHON=y +CT_GLIBC_HAS_LIBIDN_ADDON=y +# CT_GLIBC_USE_LIBIDN_ADDON is not set +CT_GLIBC_NO_SPARC_V8=y +CT_GLIBC_HAS_OBSOLETE_RPC=y +CT_GLIBC_EXTRA_CONFIG_ARRAY="" +CT_GLIBC_CONFIGPARMS="" +CT_GLIBC_EXTRA_CFLAGS="" +CT_GLIBC_ENABLE_OBSOLETE_RPC=y +# CT_GLIBC_DISABLE_VERSIONING is not set +CT_GLIBC_OLDEST_ABI="" +CT_GLIBC_FORCE_UNWIND=y +# CT_GLIBC_LOCALES is not set +# CT_GLIBC_KERNEL_VERSION_NONE is not set +CT_GLIBC_KERNEL_VERSION_AS_HEADERS=y +# CT_GLIBC_KERNEL_VERSION_CHOSEN is not set +CT_GLIBC_MIN_KERNEL="4.4.174" +CT_ALL_LIBC_CHOICES="AVR_LIBC BIONIC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE UCLIBC" +CT_LIBC_SUPPORT_THREADS_ANY=y +CT_LIBC_SUPPORT_THREADS_NATIVE=y + +# +# Common C library options +# +CT_THREADS_NATIVE=y +# CT_CREATE_LDSO_CONF is not set +CT_LIBC_XLDD=y + +# +# C compiler +# +CT_CC_CORE_PASSES_NEEDED=y +CT_CC_CORE_PASS_1_NEEDED=y +CT_CC_CORE_PASS_2_NEEDED=y +CT_CC_SUPPORT_CXX=y +CT_CC_SUPPORT_FORTRAN=y +CT_CC_SUPPORT_ADA=y +CT_CC_SUPPORT_OBJC=y +CT_CC_SUPPORT_OBJCXX=y +CT_CC_SUPPORT_GOLANG=y +CT_CC_GCC=y +CT_CC="gcc" +CT_CC_CHOICE_KSYM="GCC" +CT_CC_GCC_SHOW=y + +# +# Options for gcc +# +CT_CC_GCC_PKG_KSYM="GCC" +CT_GCC_DIR_NAME="gcc" +CT_GCC_USE_GNU=y +CT_GCC_USE="GCC" +CT_GCC_PKG_NAME="gcc" +CT_GCC_SRC_RELEASE=y +CT_GCC_PATCH_ORDER="global" +CT_GCC_V_8=y +# CT_GCC_V_7 is not set +# CT_GCC_V_6 is not set +# CT_GCC_V_5 is not set +# CT_GCC_V_4_9 is not set +# CT_GCC_NO_VERSIONS is not set +CT_GCC_VERSION="8.3.0" +CT_GCC_MIRRORS="$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})" +CT_GCC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_GCC_SIGNATURE_FORMAT="" +CT_GCC_later_than_7=y +CT_GCC_7_or_later=y +CT_GCC_later_than_6=y +CT_GCC_6_or_later=y +CT_GCC_later_than_5=y +CT_GCC_5_or_later=y +CT_GCC_later_than_4_9=y +CT_GCC_4_9_or_later=y +CT_GCC_later_than_4_8=y +CT_GCC_4_8_or_later=y +CT_CC_GCC_HAS_LIBMPX=y +CT_CC_GCC_ENABLE_CXX_FLAGS="" +CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY="" +CT_CC_GCC_EXTRA_CONFIG_ARRAY="" +CT_CC_GCC_STATIC_LIBSTDCXX=y +# CT_CC_GCC_SYSTEM_ZLIB is not set +CT_CC_GCC_CONFIG_TLS=m + +# +# Optimisation features +# +CT_CC_GCC_USE_GRAPHITE=y +CT_CC_GCC_USE_LTO=y + +# +# Settings for libraries running on target +# +CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y +# CT_CC_GCC_LIBMUDFLAP is not set +# CT_CC_GCC_LIBGOMP is not set +# CT_CC_GCC_LIBSSP is not set +# CT_CC_GCC_LIBQUADMATH is not set +# CT_CC_GCC_LIBSANITIZER is not set + +# +# Misc. obscure options. +# +CT_CC_CXA_ATEXIT=y +# CT_CC_GCC_DISABLE_PCH is not set +CT_CC_GCC_SJLJ_EXCEPTIONS=m +CT_CC_GCC_LDBL_128=m +# CT_CC_GCC_BUILD_ID is not set +CT_CC_GCC_LNK_HASH_STYLE_DEFAULT=y +# CT_CC_GCC_LNK_HASH_STYLE_SYSV is not set +# CT_CC_GCC_LNK_HASH_STYLE_GNU is not set +# CT_CC_GCC_LNK_HASH_STYLE_BOTH is not set +CT_CC_GCC_LNK_HASH_STYLE="" +CT_CC_GCC_DEC_FLOAT_AUTO=y +# CT_CC_GCC_DEC_FLOAT_BID is not set +# CT_CC_GCC_DEC_FLOAT_DPD is not set +# CT_CC_GCC_DEC_FLOATS_NO is not set +CT_CC_GCC_HAS_ARCH_OPTIONS=y + +# +# archictecture-specific options +# +CT_CC_GCC_mips_llsc=m +CT_CC_GCC_mips_synci=m +# CT_CC_GCC_mips_plt is not set +CT_ALL_CC_CHOICES="GCC" + +# +# Additional supported languages: +# +CT_CC_LANG_CXX=y +# CT_CC_LANG_FORTRAN is not set + +# +# Debug facilities +# +# CT_DEBUG_DUMA is not set +# CT_DEBUG_GDB is not set +# CT_DEBUG_LTRACE is not set +# CT_DEBUG_STRACE is not set +CT_ALL_DEBUG_CHOICES="DUMA GDB LTRACE STRACE" + +# +# Companion libraries +# +# CT_COMPLIBS_CHECK is not set +# CT_COMP_LIBS_CLOOG is not set +# CT_COMP_LIBS_EXPAT is not set +CT_COMP_LIBS_GETTEXT=y +CT_COMP_LIBS_GETTEXT_PKG_KSYM="GETTEXT" +CT_GETTEXT_DIR_NAME="gettext" +CT_GETTEXT_PKG_NAME="gettext" +CT_GETTEXT_SRC_RELEASE=y +CT_GETTEXT_PATCH_ORDER="global" +CT_GETTEXT_V_0_19_8_1=y +# CT_GETTEXT_NO_VERSIONS is not set +CT_GETTEXT_VERSION="0.19.8.1" +CT_GETTEXT_MIRRORS="$(CT_Mirrors GNU gettext)" +CT_GETTEXT_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.gz" +CT_GETTEXT_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_GMP=y +CT_COMP_LIBS_GMP_PKG_KSYM="GMP" +CT_GMP_DIR_NAME="gmp" +CT_GMP_PKG_NAME="gmp" +CT_GMP_SRC_RELEASE=y +CT_GMP_PATCH_ORDER="global" +CT_GMP_V_6_1=y +# CT_GMP_NO_VERSIONS is not set +CT_GMP_VERSION="6.1.2" +CT_GMP_MIRRORS="https://gmplib.org/download/gmp https://gmplib.org/download/gmp/archive $(CT_Mirrors GNU gmp)" +CT_GMP_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.bz2" +CT_GMP_SIGNATURE_FORMAT="packed/.sig" +CT_GMP_later_than_5_1_0=y +CT_GMP_5_1_0_or_later=y +CT_GMP_later_than_5_0_0=y +CT_GMP_5_0_0_or_later=y +CT_GMP_REQUIRE_5_0_0_or_later=y +CT_COMP_LIBS_ISL=y +CT_COMP_LIBS_ISL_PKG_KSYM="ISL" +CT_ISL_DIR_NAME="isl" +CT_ISL_PKG_NAME="isl" +CT_ISL_SRC_RELEASE=y +CT_ISL_PATCH_ORDER="global" +CT_ISL_V_0_20=y +# CT_ISL_V_0_19 is not set +# CT_ISL_V_0_18 is not set +# CT_ISL_V_0_17 is not set +# CT_ISL_V_0_16 is not set +# CT_ISL_V_0_15 is not set +# CT_ISL_NO_VERSIONS is not set +CT_ISL_VERSION="0.20" +CT_ISL_MIRRORS="http://isl.gforge.inria.fr" +CT_ISL_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_ISL_SIGNATURE_FORMAT="" +CT_ISL_later_than_0_18=y +CT_ISL_0_18_or_later=y +CT_ISL_later_than_0_15=y +CT_ISL_0_15_or_later=y +CT_ISL_REQUIRE_0_15_or_later=y +CT_ISL_later_than_0_14=y +CT_ISL_0_14_or_later=y +CT_ISL_REQUIRE_0_14_or_later=y +CT_ISL_later_than_0_13=y +CT_ISL_0_13_or_later=y +CT_ISL_later_than_0_12=y +CT_ISL_0_12_or_later=y +CT_ISL_REQUIRE_0_12_or_later=y +# CT_COMP_LIBS_LIBELF is not set +CT_COMP_LIBS_LIBICONV=y +CT_COMP_LIBS_LIBICONV_PKG_KSYM="LIBICONV" +CT_LIBICONV_DIR_NAME="libiconv" +CT_LIBICONV_PKG_NAME="libiconv" +CT_LIBICONV_SRC_RELEASE=y +CT_LIBICONV_PATCH_ORDER="global" +CT_LIBICONV_V_1_15=y +# CT_LIBICONV_NO_VERSIONS is not set +CT_LIBICONV_VERSION="1.15" +CT_LIBICONV_MIRRORS="$(CT_Mirrors GNU libiconv)" +CT_LIBICONV_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_FORMATS=".tar.gz" +CT_LIBICONV_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_MPC=y +CT_COMP_LIBS_MPC_PKG_KSYM="MPC" +CT_MPC_DIR_NAME="mpc" +CT_MPC_PKG_NAME="mpc" +CT_MPC_SRC_RELEASE=y +CT_MPC_PATCH_ORDER="global" +CT_MPC_V_1_1=y +# CT_MPC_V_1_0 is not set +# CT_MPC_NO_VERSIONS is not set +CT_MPC_VERSION="1.1.0" +CT_MPC_MIRRORS="http://www.multiprecision.org/downloads $(CT_Mirrors GNU mpc)" +CT_MPC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_FORMATS=".tar.gz" +CT_MPC_SIGNATURE_FORMAT="packed/.sig" +CT_MPC_1_1_0_or_later=y +CT_MPC_1_1_0_or_older=y +CT_COMP_LIBS_MPFR=y +CT_COMP_LIBS_MPFR_PKG_KSYM="MPFR" +CT_MPFR_DIR_NAME="mpfr" +CT_MPFR_PKG_NAME="mpfr" +CT_MPFR_SRC_RELEASE=y +CT_MPFR_PATCH_ORDER="global" +CT_MPFR_V_4_0=y +# CT_MPFR_V_3_1 is not set +# CT_MPFR_NO_VERSIONS is not set +CT_MPFR_VERSION="4.0.2" +CT_MPFR_MIRRORS="http://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)" +CT_MPFR_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz .zip" +CT_MPFR_SIGNATURE_FORMAT="packed/.asc" +CT_MPFR_later_than_4_0_0=y +CT_MPFR_4_0_0_or_later=y +CT_MPFR_later_than_3_0_0=y +CT_MPFR_3_0_0_or_later=y +CT_MPFR_REQUIRE_3_0_0_or_later=y +CT_COMP_LIBS_NCURSES=y +CT_COMP_LIBS_NCURSES_PKG_KSYM="NCURSES" +CT_NCURSES_DIR_NAME="ncurses" +CT_NCURSES_PKG_NAME="ncurses" +CT_NCURSES_SRC_RELEASE=y +CT_NCURSES_PATCH_ORDER="global" +CT_NCURSES_V_6_1=y +# CT_NCURSES_V_6_0 is not set +# CT_NCURSES_NO_VERSIONS is not set +CT_NCURSES_VERSION="6.1" +CT_NCURSES_MIRRORS="ftp://invisible-island.net/ncurses $(CT_Mirrors GNU ncurses)" +CT_NCURSES_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_FORMATS=".tar.gz" +CT_NCURSES_SIGNATURE_FORMAT="packed/.sig" +CT_NCURSES_HOST_CONFIG_ARGS="" +CT_NCURSES_HOST_DISABLE_DB=y +CT_NCURSES_HOST_FALLBACKS="linux,xterm,xterm-color,xterm-256color,vt100" +CT_NCURSES_TARGET_CONFIG_ARGS="" +# CT_NCURSES_TARGET_DISABLE_DB is not set +CT_NCURSES_TARGET_FALLBACKS="" +CT_COMP_LIBS_ZLIB=y +CT_COMP_LIBS_ZLIB_PKG_KSYM="ZLIB" +CT_ZLIB_DIR_NAME="zlib" +CT_ZLIB_PKG_NAME="zlib" +CT_ZLIB_SRC_RELEASE=y +CT_ZLIB_PATCH_ORDER="global" +CT_ZLIB_V_1_2_11=y +# CT_ZLIB_NO_VERSIONS is not set +CT_ZLIB_VERSION="1.2.11" +CT_ZLIB_MIRRORS="http://downloads.sourceforge.net/project/libpng/zlib/${CT_ZLIB_VERSION}" +CT_ZLIB_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_ZLIB_SIGNATURE_FORMAT="packed/.asc" +CT_ALL_COMP_LIBS_CHOICES="CLOOG EXPAT GETTEXT GMP ISL LIBELF LIBICONV MPC MPFR NCURSES ZLIB" +CT_LIBICONV_NEEDED=y +CT_GETTEXT_NEEDED=y +CT_GMP_NEEDED=y +CT_MPFR_NEEDED=y +CT_ISL_NEEDED=y +CT_MPC_NEEDED=y +CT_NCURSES_NEEDED=y +CT_ZLIB_NEEDED=y +CT_LIBICONV=y +CT_GETTEXT=y +CT_GMP=y +CT_MPFR=y +CT_ISL=y +CT_MPC=y +CT_NCURSES=y +CT_ZLIB=y + +# +# Companion tools +# +# CT_COMP_TOOLS_FOR_HOST is not set +# CT_COMP_TOOLS_AUTOCONF is not set +# CT_COMP_TOOLS_AUTOMAKE is not set +# CT_COMP_TOOLS_BISON is not set +# CT_COMP_TOOLS_DTC is not set +# CT_COMP_TOOLS_LIBTOOL is not set +# CT_COMP_TOOLS_M4 is not set +# CT_COMP_TOOLS_MAKE is not set +CT_ALL_COMP_TOOLS_CHOICES="AUTOCONF AUTOMAKE BISON DTC LIBTOOL M4 MAKE" diff --git a/src/ci/docker/host-x86_64/dist-mipsel-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-mipsel-linux/Dockerfile index 70c8b2a96c8..6cc2de5e47d 100644 --- a/src/ci/docker/host-x86_64/dist-mipsel-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-mipsel-linux/Dockerfile @@ -1,30 +1,30 @@ -FROM ubuntu:16.04 - -RUN apt-get update && apt-get install -y --no-install-recommends \ - g++ \ - make \ - ninja-build \ - file \ - curl \ - ca-certificates \ - python3 \ - git \ - cmake \ - sudo \ - gdb \ - xz-utils \ - g++-mipsel-linux-gnu \ - libssl-dev \ - pkg-config +FROM ubuntu:22.04 + +COPY scripts/cross-apt-packages.sh /scripts/ +RUN sh /scripts/cross-apt-packages.sh + +COPY scripts/crosstool-ng-1.24.sh /scripts/ +RUN sh /scripts/crosstool-ng-1.24.sh + +COPY scripts/rustbuild-setup.sh /scripts/ +RUN sh /scripts/rustbuild-setup.sh +WORKDIR /tmp + +COPY host-x86_64/dist-mips-linux/patches/ /tmp/patches/ +COPY host-x86_64/dist-mipsel-linux/mipsel-linux-gnu.config host-x86_64/dist-mipsel-linux/build-mipsel-toolchain.sh /tmp/ +RUN su rustbuild -c ./build-mipsel-toolchain.sh COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh -COPY scripts/cmake.sh /scripts/ -RUN /scripts/cmake.sh +ENV PATH=$PATH:/x-tools/mipsel-unknown-linux-gnu/bin + +ENV \ + CC_mipsel_unknown_linux_gnu=mipsel-unknown-linux-gnu-gcc \ + AR_mipsel_unknown_linux_gnu=mipsel-unknown-linux-gnu-ar \ + CXX_mipsel_unknown_linux_gnu=mipsel-unknown-linux-gnu-g++ ENV HOSTS=mipsel-unknown-linux-gnu -ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs \ - --set llvm.allow-old-toolchain +ENV RUST_CONFIGURE_ARGS --enable-extended --disable-docs ENV SCRIPT python3 ../x.py dist --host $HOSTS --target $HOSTS diff --git a/src/ci/docker/host-x86_64/dist-mipsel-linux/build-mipsel-toolchain.sh b/src/ci/docker/host-x86_64/dist-mipsel-linux/build-mipsel-toolchain.sh new file mode 100755 index 00000000000..598e4893325 --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mipsel-linux/build-mipsel-toolchain.sh @@ -0,0 +1,26 @@ +#!/usr/bin/env bash +set -ex + +hide_output() { + set +x + on_err=" +echo ERROR: An error was encountered with the build. +cat /tmp/build.log +exit 1 +" + trap "$on_err" ERR + bash -c "while true; do sleep 30; echo \$(date) - building ...; done" & + PING_LOOP_PID=$! + "$@" &> /tmp/build.log + rm /tmp/build.log + trap - ERR + kill $PING_LOOP_PID + set -x +} + +mkdir build +cd build +cp ../mipsel-linux-gnu.config .config +hide_output ct-ng build +cd .. +rm -rf build diff --git a/src/ci/docker/host-x86_64/dist-mipsel-linux/mipsel-linux-gnu.config b/src/ci/docker/host-x86_64/dist-mipsel-linux/mipsel-linux-gnu.config new file mode 100644 index 00000000000..adb2da7ddee --- /dev/null +++ b/src/ci/docker/host-x86_64/dist-mipsel-linux/mipsel-linux-gnu.config @@ -0,0 +1,740 @@ +# +# Automatically generated file; DO NOT EDIT. +# crosstool-NG Configuration +# +CT_CONFIGURE_has_static_link=y +CT_CONFIGURE_has_cxx11=y +CT_CONFIGURE_has_wget=y +CT_CONFIGURE_has_curl=y +CT_CONFIGURE_has_make_3_81_or_newer=y +CT_CONFIGURE_has_make_4_0_or_newer=y +CT_CONFIGURE_has_libtool_2_4_or_newer=y +CT_CONFIGURE_has_libtoolize_2_4_or_newer=y +CT_CONFIGURE_has_autoconf_2_65_or_newer=y +CT_CONFIGURE_has_autoreconf_2_65_or_newer=y +CT_CONFIGURE_has_automake_1_15_or_newer=y +CT_CONFIGURE_has_gnu_m4_1_4_12_or_newer=y +CT_CONFIGURE_has_python_3_4_or_newer=y +CT_CONFIGURE_has_bison_2_7_or_newer=y +CT_CONFIGURE_has_python=y +CT_CONFIGURE_has_git=y +CT_CONFIGURE_has_md5sum=y +CT_CONFIGURE_has_sha1sum=y +CT_CONFIGURE_has_sha256sum=y +CT_CONFIGURE_has_sha512sum=y +CT_CONFIGURE_has_install_with_strip_program=y +CT_CONFIG_VERSION_CURRENT="3" +CT_CONFIG_VERSION="3" +CT_MODULES=y + +# +# Paths and misc options +# + +# +# crosstool-NG behavior +# +# CT_OBSOLETE is not set +# CT_EXPERIMENTAL is not set +# CT_DEBUG_CT is not set + +# +# Paths +# +CT_LOCAL_TARBALLS_DIR="${HOME}/src" +CT_SAVE_TARBALLS=y +# CT_TARBALLS_BUILDROOT_LAYOUT is not set +CT_WORK_DIR="${CT_TOP_DIR}/.build" +CT_BUILD_TOP_DIR="${CT_WORK_DIR:-${CT_TOP_DIR}/.build}/${CT_HOST:+HOST-${CT_HOST}/}${CT_TARGET}" +CT_PREFIX_DIR="/x-tools/${CT_TARGET}" +CT_RM_RF_PREFIX_DIR=y +CT_REMOVE_DOCS=y +CT_INSTALL_LICENSES=y +CT_PREFIX_DIR_RO=y +CT_STRIP_HOST_TOOLCHAIN_EXECUTABLES=y +# CT_STRIP_TARGET_TOOLCHAIN_EXECUTABLES is not set + +# +# Downloading +# +CT_DOWNLOAD_AGENT_WGET=y +# CT_DOWNLOAD_AGENT_CURL is not set +# CT_DOWNLOAD_AGENT_NONE is not set +# CT_FORBID_DOWNLOAD is not set +# CT_FORCE_DOWNLOAD is not set +CT_CONNECT_TIMEOUT=10 +CT_DOWNLOAD_WGET_OPTIONS="--passive-ftp --tries=3 -nc --progress=dot:binary" +# CT_ONLY_DOWNLOAD is not set +CT_USE_MIRROR=y +# CT_FORCE_MIRROR is not set +CT_MIRROR_BASE_URL="https://ci-mirrors.rust-lang.org/rustc" +CT_VERIFY_DOWNLOAD_DIGEST=y +CT_VERIFY_DOWNLOAD_DIGEST_SHA512=y +# CT_VERIFY_DOWNLOAD_DIGEST_SHA256 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_SHA1 is not set +# CT_VERIFY_DOWNLOAD_DIGEST_MD5 is not set +CT_VERIFY_DOWNLOAD_DIGEST_ALG="sha512" +# CT_VERIFY_DOWNLOAD_SIGNATURE is not set + +# +# Extracting +# +# CT_FORCE_EXTRACT is not set +CT_OVERRIDE_CONFIG_GUESS_SUB=y +# CT_ONLY_EXTRACT is not set +# CT_PATCH_BUNDLED is not set +CT_PATCH_BUNDLED_LOCAL=y +CT_PATCH_ORDER="bundled,local" +CT_PATCH_USE_LOCAL=y +CT_LOCAL_PATCH_DIR="/tmp/patches" + +# +# Build behavior +# +CT_PARALLEL_JOBS=0 +CT_LOAD="" +CT_USE_PIPES=y +CT_EXTRA_CFLAGS_FOR_BUILD="" +CT_EXTRA_LDFLAGS_FOR_BUILD="" +CT_EXTRA_CFLAGS_FOR_HOST="" +CT_EXTRA_LDFLAGS_FOR_HOST="" +# CT_CONFIG_SHELL_SH is not set +# CT_CONFIG_SHELL_ASH is not set +CT_CONFIG_SHELL_BASH=y +# CT_CONFIG_SHELL_CUSTOM is not set +CT_CONFIG_SHELL="${bash}" + +# +# Logging +# +# CT_LOG_ERROR is not set +# CT_LOG_WARN is not set +# CT_LOG_INFO is not set +CT_LOG_EXTRA=y +# CT_LOG_ALL is not set +# CT_LOG_DEBUG is not set +CT_LOG_LEVEL_MAX="EXTRA" +# CT_LOG_SEE_TOOLS_WARN is not set +CT_LOG_PROGRESS_BAR=y +CT_LOG_TO_FILE=y +CT_LOG_FILE_COMPRESS=y + +# +# Target options +# +# CT_ARCH_ALPHA is not set +# CT_ARCH_ARC is not set +# CT_ARCH_ARM is not set +# CT_ARCH_AVR is not set +# CT_ARCH_M68K is not set +CT_ARCH_MIPS=y +# CT_ARCH_NIOS2 is not set +# CT_ARCH_POWERPC is not set +# CT_ARCH_S390 is not set +# CT_ARCH_SH is not set +# CT_ARCH_SPARC is not set +# CT_ARCH_X86 is not set +# CT_ARCH_XTENSA is not set +CT_ARCH="mips" +CT_ARCH_CHOICE_KSYM="MIPS" +CT_ARCH_TUNE="" +CT_ARCH_MIPS_SHOW=y + +# +# Options for mips +# +CT_ARCH_MIPS_PKG_KSYM="" +CT_ARCH_mips_o32=y +CT_ARCH_mips_ABI="32" +CT_ALL_ARCH_CHOICES="ALPHA ARC ARM AVR M68K MICROBLAZE MIPS MOXIE MSP430 NIOS2 POWERPC RISCV S390 SH SPARC X86 XTENSA" +CT_ARCH_SUFFIX="" +# CT_OMIT_TARGET_VENDOR is not set + +# +# Generic target options +# +# CT_MULTILIB is not set +CT_DEMULTILIB=y +CT_ARCH_USE_MMU=y +CT_ARCH_SUPPORTS_EITHER_ENDIAN=y +CT_ARCH_DEFAULT_BE=y +# CT_ARCH_BE is not set +CT_ARCH_LE=y +CT_ARCH_ENDIAN="little" +CT_ARCH_SUPPORTS_32=y +CT_ARCH_SUPPORTS_64=y +CT_ARCH_DEFAULT_32=y +CT_ARCH_BITNESS=32 +CT_ARCH_32=y +# CT_ARCH_64 is not set + +# +# Target optimisations +# +CT_ARCH_SUPPORTS_WITH_ARCH=y +CT_ARCH_SUPPORTS_WITH_TUNE=y +CT_ARCH_SUPPORTS_WITH_FLOAT=y +CT_ARCH_ARCH="mips32r2" +CT_ARCH_FLOAT_AUTO=y +# CT_ARCH_FLOAT_HW is not set +# CT_ARCH_FLOAT_SW is not set +CT_TARGET_CFLAGS="" +CT_TARGET_LDFLAGS="" +CT_ARCH_FLOAT="auto" + +# +# Toolchain options +# + +# +# General toolchain options +# +CT_FORCE_SYSROOT=y +CT_USE_SYSROOT=y +CT_SYSROOT_NAME="sysroot" +CT_SYSROOT_DIR_PREFIX="" +CT_WANTS_STATIC_LINK=y +CT_WANTS_STATIC_LINK_CXX=y +# CT_STATIC_TOOLCHAIN is not set +CT_SHOW_CT_VERSION=y +CT_TOOLCHAIN_PKGVERSION="" +CT_TOOLCHAIN_BUGURL="" + +# +# Tuple completion and aliasing +# +CT_TARGET_VENDOR="unknown" +CT_TARGET_ALIAS_SED_EXPR="" +CT_TARGET_ALIAS="" + +# +# Toolchain type +# +CT_CROSS=y +# CT_CANADIAN is not set +CT_TOOLCHAIN_TYPE="cross" + +# +# Build system +# +CT_BUILD="" +CT_BUILD_PREFIX="" +CT_BUILD_SUFFIX="" + +# +# Misc options +# +# CT_TOOLCHAIN_ENABLE_NLS is not set + +# +# Operating System +# +CT_KERNEL_SUPPORTS_SHARED_LIBS=y +# CT_KERNEL_BARE_METAL is not set +CT_KERNEL_LINUX=y +CT_KERNEL="linux" +CT_KERNEL_CHOICE_KSYM="LINUX" +CT_KERNEL_LINUX_SHOW=y + +# +# Options for linux +# +CT_KERNEL_LINUX_PKG_KSYM="LINUX" +CT_LINUX_DIR_NAME="linux" +CT_LINUX_PKG_NAME="linux" +CT_LINUX_SRC_RELEASE=y +CT_LINUX_PATCH_ORDER="global" +# CT_LINUX_V_4_20 is not set +# CT_LINUX_V_4_19 is not set +# CT_LINUX_V_4_18 is not set +# CT_LINUX_V_4_17 is not set +# CT_LINUX_V_4_16 is not set +# CT_LINUX_V_4_15 is not set +# CT_LINUX_V_4_14 is not set +# CT_LINUX_V_4_13 is not set +# CT_LINUX_V_4_12 is not set +# CT_LINUX_V_4_11 is not set +# CT_LINUX_V_4_10 is not set +# CT_LINUX_V_4_9 is not set +CT_LINUX_V_4_4=y +# CT_LINUX_V_4_1 is not set +# CT_LINUX_V_3_16 is not set +# CT_LINUX_V_3_13 is not set +# CT_LINUX_V_3_12 is not set +# CT_LINUX_V_3_10 is not set +# CT_LINUX_V_3_4 is not set +# CT_LINUX_V_3_2 is not set +# CT_LINUX_V_2_6_32 is not set +# CT_LINUX_NO_VERSIONS is not set +CT_LINUX_VERSION="4.4.174" +CT_LINUX_MIRRORS="$(CT_Mirrors kernel.org linux ${CT_LINUX_VERSION})" +CT_LINUX_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LINUX_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_LINUX_SIGNATURE_FORMAT="unpacked/.sign" +CT_LINUX_4_8_or_older=y +CT_LINUX_older_than_4_8=y +CT_LINUX_later_than_3_7=y +CT_LINUX_3_7_or_later=y +CT_LINUX_later_than_3_2=y +CT_LINUX_3_2_or_later=y +CT_KERNEL_LINUX_VERBOSITY_0=y +# CT_KERNEL_LINUX_VERBOSITY_1 is not set +# CT_KERNEL_LINUX_VERBOSITY_2 is not set +CT_KERNEL_LINUX_VERBOSE_LEVEL=0 +CT_KERNEL_LINUX_INSTALL_CHECK=y +CT_ALL_KERNEL_CHOICES="BARE_METAL LINUX WINDOWS" + +# +# Common kernel options +# +CT_SHARED_LIBS=y + +# +# Binary utilities +# +CT_ARCH_BINFMT_ELF=y +CT_BINUTILS_BINUTILS=y +CT_BINUTILS="binutils" +CT_BINUTILS_CHOICE_KSYM="BINUTILS" +CT_BINUTILS_BINUTILS_SHOW=y + +# +# Options for binutils +# +CT_BINUTILS_BINUTILS_PKG_KSYM="BINUTILS" +CT_BINUTILS_DIR_NAME="binutils" +CT_BINUTILS_USE_GNU=y +CT_BINUTILS_USE="BINUTILS" +CT_BINUTILS_PKG_NAME="binutils" +CT_BINUTILS_SRC_RELEASE=y +CT_BINUTILS_PATCH_ORDER="global" +CT_BINUTILS_V_2_32=y +# CT_BINUTILS_V_2_31 is not set +# CT_BINUTILS_V_2_30 is not set +# CT_BINUTILS_V_2_29 is not set +# CT_BINUTILS_V_2_28 is not set +# CT_BINUTILS_V_2_27 is not set +# CT_BINUTILS_V_2_26 is not set +# CT_BINUTILS_NO_VERSIONS is not set +CT_BINUTILS_VERSION="2.32" +CT_BINUTILS_MIRRORS="$(CT_Mirrors GNU binutils) $(CT_Mirrors sourceware binutils/releases)" +CT_BINUTILS_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_BINUTILS_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_BINUTILS_SIGNATURE_FORMAT="packed/.sig" +CT_BINUTILS_later_than_2_30=y +CT_BINUTILS_2_30_or_later=y +CT_BINUTILS_later_than_2_27=y +CT_BINUTILS_2_27_or_later=y +CT_BINUTILS_later_than_2_25=y +CT_BINUTILS_2_25_or_later=y +CT_BINUTILS_later_than_2_23=y +CT_BINUTILS_2_23_or_later=y + +# +# GNU binutils +# +CT_BINUTILS_HAS_HASH_STYLE=y +CT_BINUTILS_HAS_GOLD=y +CT_BINUTILS_HAS_PLUGINS=y +CT_BINUTILS_HAS_PKGVERSION_BUGURL=y +CT_BINUTILS_FORCE_LD_BFD_DEFAULT=y +CT_BINUTILS_LINKER_LD=y +CT_BINUTILS_LINKERS_LIST="ld" +CT_BINUTILS_LINKER_DEFAULT="bfd" +# CT_BINUTILS_PLUGINS is not set +CT_BINUTILS_RELRO=m +CT_BINUTILS_EXTRA_CONFIG_ARRAY="" +# CT_BINUTILS_FOR_TARGET is not set +CT_ALL_BINUTILS_CHOICES="BINUTILS" + +# +# C-library +# +CT_LIBC_GLIBC=y +# CT_LIBC_UCLIBC is not set +CT_LIBC="glibc" +CT_LIBC_CHOICE_KSYM="GLIBC" +CT_THREADS="nptl" +CT_LIBC_GLIBC_SHOW=y + +# +# Options for glibc +# +CT_LIBC_GLIBC_PKG_KSYM="GLIBC" +CT_GLIBC_DIR_NAME="glibc" +CT_GLIBC_USE_GNU=y +CT_GLIBC_USE="GLIBC" +CT_GLIBC_PKG_NAME="glibc" +CT_GLIBC_SRC_RELEASE=y +CT_GLIBC_PATCH_ORDER="global" +# CT_GLIBC_V_2_29 is not set +# CT_GLIBC_V_2_28 is not set +# CT_GLIBC_V_2_27 is not set +# CT_GLIBC_V_2_26 is not set +# CT_GLIBC_V_2_25 is not set +# CT_GLIBC_V_2_24 is not set +CT_GLIBC_V_2_23=y +# CT_GLIBC_V_2_19 is not set +# CT_GLIBC_V_2_17 is not set +# CT_GLIBC_V_2_12_1 is not set +# CT_GLIBC_NO_VERSIONS is not set +CT_GLIBC_VERSION="2.23" +CT_GLIBC_MIRRORS="$(CT_Mirrors GNU glibc)" +CT_GLIBC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GLIBC_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_GLIBC_SIGNATURE_FORMAT="packed/.sig" +CT_GLIBC_2_29_or_older=y +CT_GLIBC_older_than_2_29=y +CT_GLIBC_2_27_or_older=y +CT_GLIBC_older_than_2_27=y +CT_GLIBC_2_26_or_older=y +CT_GLIBC_older_than_2_26=y +CT_GLIBC_2_25_or_older=y +CT_GLIBC_older_than_2_25=y +CT_GLIBC_2_24_or_older=y +CT_GLIBC_older_than_2_24=y +CT_GLIBC_2_23_or_later=y +CT_GLIBC_2_23_or_older=y +CT_GLIBC_later_than_2_20=y +CT_GLIBC_2_20_or_later=y +CT_GLIBC_later_than_2_17=y +CT_GLIBC_2_17_or_later=y +CT_GLIBC_later_than_2_14=y +CT_GLIBC_2_14_or_later=y +CT_GLIBC_DEP_KERNEL_HEADERS_VERSION=y +CT_GLIBC_DEP_BINUTILS=y +CT_GLIBC_DEP_GCC=y +CT_GLIBC_DEP_PYTHON=y +CT_GLIBC_HAS_LIBIDN_ADDON=y +# CT_GLIBC_USE_LIBIDN_ADDON is not set +CT_GLIBC_NO_SPARC_V8=y +CT_GLIBC_HAS_OBSOLETE_RPC=y +CT_GLIBC_EXTRA_CONFIG_ARRAY="" +CT_GLIBC_CONFIGPARMS="" +CT_GLIBC_EXTRA_CFLAGS="" +CT_GLIBC_ENABLE_OBSOLETE_RPC=y +# CT_GLIBC_DISABLE_VERSIONING is not set +CT_GLIBC_OLDEST_ABI="" +CT_GLIBC_FORCE_UNWIND=y +# CT_GLIBC_LOCALES is not set +# CT_GLIBC_KERNEL_VERSION_NONE is not set +CT_GLIBC_KERNEL_VERSION_AS_HEADERS=y +# CT_GLIBC_KERNEL_VERSION_CHOSEN is not set +CT_GLIBC_MIN_KERNEL="4.4.174" +CT_ALL_LIBC_CHOICES="AVR_LIBC BIONIC GLIBC MINGW_W64 MOXIEBOX MUSL NEWLIB NONE UCLIBC" +CT_LIBC_SUPPORT_THREADS_ANY=y +CT_LIBC_SUPPORT_THREADS_NATIVE=y + +# +# Common C library options +# +CT_THREADS_NATIVE=y +# CT_CREATE_LDSO_CONF is not set +CT_LIBC_XLDD=y + +# +# C compiler +# +CT_CC_CORE_PASSES_NEEDED=y +CT_CC_CORE_PASS_1_NEEDED=y +CT_CC_CORE_PASS_2_NEEDED=y +CT_CC_SUPPORT_CXX=y +CT_CC_SUPPORT_FORTRAN=y +CT_CC_SUPPORT_ADA=y +CT_CC_SUPPORT_OBJC=y +CT_CC_SUPPORT_OBJCXX=y +CT_CC_SUPPORT_GOLANG=y +CT_CC_GCC=y +CT_CC="gcc" +CT_CC_CHOICE_KSYM="GCC" +CT_CC_GCC_SHOW=y + +# +# Options for gcc +# +CT_CC_GCC_PKG_KSYM="GCC" +CT_GCC_DIR_NAME="gcc" +CT_GCC_USE_GNU=y +CT_GCC_USE="GCC" +CT_GCC_PKG_NAME="gcc" +CT_GCC_SRC_RELEASE=y +CT_GCC_PATCH_ORDER="global" +CT_GCC_V_8=y +# CT_GCC_V_7 is not set +# CT_GCC_V_6 is not set +# CT_GCC_V_5 is not set +# CT_GCC_V_4_9 is not set +# CT_GCC_NO_VERSIONS is not set +CT_GCC_VERSION="8.3.0" +CT_GCC_MIRRORS="$(CT_Mirrors GNU gcc/gcc-${CT_GCC_VERSION}) $(CT_Mirrors sourceware gcc/releases/gcc-${CT_GCC_VERSION})" +CT_GCC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GCC_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_GCC_SIGNATURE_FORMAT="" +CT_GCC_later_than_7=y +CT_GCC_7_or_later=y +CT_GCC_later_than_6=y +CT_GCC_6_or_later=y +CT_GCC_later_than_5=y +CT_GCC_5_or_later=y +CT_GCC_later_than_4_9=y +CT_GCC_4_9_or_later=y +CT_GCC_later_than_4_8=y +CT_GCC_4_8_or_later=y +CT_CC_GCC_HAS_LIBMPX=y +CT_CC_GCC_ENABLE_CXX_FLAGS="" +CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY="" +CT_CC_GCC_EXTRA_CONFIG_ARRAY="--with-fp-32=xx --with-odd-spreg-32=no" +CT_CC_GCC_STATIC_LIBSTDCXX=y +# CT_CC_GCC_SYSTEM_ZLIB is not set +CT_CC_GCC_CONFIG_TLS=m + +# +# Optimisation features +# +CT_CC_GCC_USE_GRAPHITE=y +CT_CC_GCC_USE_LTO=y + +# +# Settings for libraries running on target +# +CT_CC_GCC_ENABLE_TARGET_OPTSPACE=y +# CT_CC_GCC_LIBMUDFLAP is not set +# CT_CC_GCC_LIBGOMP is not set +# CT_CC_GCC_LIBSSP is not set +# CT_CC_GCC_LIBQUADMATH is not set +# CT_CC_GCC_LIBSANITIZER is not set + +# +# Misc. obscure options. +# +CT_CC_CXA_ATEXIT=y +# CT_CC_GCC_DISABLE_PCH is not set +CT_CC_GCC_SJLJ_EXCEPTIONS=m +CT_CC_GCC_LDBL_128=m +# CT_CC_GCC_BUILD_ID is not set +CT_CC_GCC_LNK_HASH_STYLE_DEFAULT=y +# CT_CC_GCC_LNK_HASH_STYLE_SYSV is not set +# CT_CC_GCC_LNK_HASH_STYLE_GNU is not set +# CT_CC_GCC_LNK_HASH_STYLE_BOTH is not set +CT_CC_GCC_LNK_HASH_STYLE="" +CT_CC_GCC_DEC_FLOAT_AUTO=y +# CT_CC_GCC_DEC_FLOAT_BID is not set +# CT_CC_GCC_DEC_FLOAT_DPD is not set +# CT_CC_GCC_DEC_FLOATS_NO is not set +CT_CC_GCC_HAS_ARCH_OPTIONS=y + +# +# archictecture-specific options +# +CT_CC_GCC_mips_llsc=m +CT_CC_GCC_mips_synci=m +# CT_CC_GCC_mips_plt is not set +CT_ALL_CC_CHOICES="GCC" + +# +# Additional supported languages: +# +CT_CC_LANG_CXX=y +# CT_CC_LANG_FORTRAN is not set + +# +# Debug facilities +# +# CT_DEBUG_DUMA is not set +# CT_DEBUG_GDB is not set +# CT_DEBUG_LTRACE is not set +# CT_DEBUG_STRACE is not set +CT_ALL_DEBUG_CHOICES="DUMA GDB LTRACE STRACE" + +# +# Companion libraries +# +# CT_COMPLIBS_CHECK is not set +# CT_COMP_LIBS_CLOOG is not set +# CT_COMP_LIBS_EXPAT is not set +CT_COMP_LIBS_GETTEXT=y +CT_COMP_LIBS_GETTEXT_PKG_KSYM="GETTEXT" +CT_GETTEXT_DIR_NAME="gettext" +CT_GETTEXT_PKG_NAME="gettext" +CT_GETTEXT_SRC_RELEASE=y +CT_GETTEXT_PATCH_ORDER="global" +CT_GETTEXT_V_0_19_8_1=y +# CT_GETTEXT_NO_VERSIONS is not set +CT_GETTEXT_VERSION="0.19.8.1" +CT_GETTEXT_MIRRORS="$(CT_Mirrors GNU gettext)" +CT_GETTEXT_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GETTEXT_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.gz" +CT_GETTEXT_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_GMP=y +CT_COMP_LIBS_GMP_PKG_KSYM="GMP" +CT_GMP_DIR_NAME="gmp" +CT_GMP_PKG_NAME="gmp" +CT_GMP_SRC_RELEASE=y +CT_GMP_PATCH_ORDER="global" +CT_GMP_V_6_1=y +# CT_GMP_NO_VERSIONS is not set +CT_GMP_VERSION="6.1.2" +CT_GMP_MIRRORS="https://gmplib.org/download/gmp https://gmplib.org/download/gmp/archive $(CT_Mirrors GNU gmp)" +CT_GMP_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_GMP_ARCHIVE_FORMATS=".tar.xz .tar.lz .tar.bz2" +CT_GMP_SIGNATURE_FORMAT="packed/.sig" +CT_GMP_later_than_5_1_0=y +CT_GMP_5_1_0_or_later=y +CT_GMP_later_than_5_0_0=y +CT_GMP_5_0_0_or_later=y +CT_GMP_REQUIRE_5_0_0_or_later=y +CT_COMP_LIBS_ISL=y +CT_COMP_LIBS_ISL_PKG_KSYM="ISL" +CT_ISL_DIR_NAME="isl" +CT_ISL_PKG_NAME="isl" +CT_ISL_SRC_RELEASE=y +CT_ISL_PATCH_ORDER="global" +CT_ISL_V_0_20=y +# CT_ISL_V_0_19 is not set +# CT_ISL_V_0_18 is not set +# CT_ISL_V_0_17 is not set +# CT_ISL_V_0_16 is not set +# CT_ISL_V_0_15 is not set +# CT_ISL_NO_VERSIONS is not set +CT_ISL_VERSION="0.20" +CT_ISL_MIRRORS="http://isl.gforge.inria.fr" +CT_ISL_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ISL_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz" +CT_ISL_SIGNATURE_FORMAT="" +CT_ISL_later_than_0_18=y +CT_ISL_0_18_or_later=y +CT_ISL_later_than_0_15=y +CT_ISL_0_15_or_later=y +CT_ISL_REQUIRE_0_15_or_later=y +CT_ISL_later_than_0_14=y +CT_ISL_0_14_or_later=y +CT_ISL_REQUIRE_0_14_or_later=y +CT_ISL_later_than_0_13=y +CT_ISL_0_13_or_later=y +CT_ISL_later_than_0_12=y +CT_ISL_0_12_or_later=y +CT_ISL_REQUIRE_0_12_or_later=y +# CT_COMP_LIBS_LIBELF is not set +CT_COMP_LIBS_LIBICONV=y +CT_COMP_LIBS_LIBICONV_PKG_KSYM="LIBICONV" +CT_LIBICONV_DIR_NAME="libiconv" +CT_LIBICONV_PKG_NAME="libiconv" +CT_LIBICONV_SRC_RELEASE=y +CT_LIBICONV_PATCH_ORDER="global" +CT_LIBICONV_V_1_15=y +# CT_LIBICONV_NO_VERSIONS is not set +CT_LIBICONV_VERSION="1.15" +CT_LIBICONV_MIRRORS="$(CT_Mirrors GNU libiconv)" +CT_LIBICONV_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_LIBICONV_ARCHIVE_FORMATS=".tar.gz" +CT_LIBICONV_SIGNATURE_FORMAT="packed/.sig" +CT_COMP_LIBS_MPC=y +CT_COMP_LIBS_MPC_PKG_KSYM="MPC" +CT_MPC_DIR_NAME="mpc" +CT_MPC_PKG_NAME="mpc" +CT_MPC_SRC_RELEASE=y +CT_MPC_PATCH_ORDER="global" +CT_MPC_V_1_1=y +# CT_MPC_V_1_0 is not set +# CT_MPC_NO_VERSIONS is not set +CT_MPC_VERSION="1.1.0" +CT_MPC_MIRRORS="http://www.multiprecision.org/downloads $(CT_Mirrors GNU mpc)" +CT_MPC_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPC_ARCHIVE_FORMATS=".tar.gz" +CT_MPC_SIGNATURE_FORMAT="packed/.sig" +CT_MPC_1_1_0_or_later=y +CT_MPC_1_1_0_or_older=y +CT_COMP_LIBS_MPFR=y +CT_COMP_LIBS_MPFR_PKG_KSYM="MPFR" +CT_MPFR_DIR_NAME="mpfr" +CT_MPFR_PKG_NAME="mpfr" +CT_MPFR_SRC_RELEASE=y +CT_MPFR_PATCH_ORDER="global" +CT_MPFR_V_4_0=y +# CT_MPFR_V_3_1 is not set +# CT_MPFR_NO_VERSIONS is not set +CT_MPFR_VERSION="4.0.2" +CT_MPFR_MIRRORS="http://www.mpfr.org/mpfr-${CT_MPFR_VERSION} $(CT_Mirrors GNU mpfr)" +CT_MPFR_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_MPFR_ARCHIVE_FORMATS=".tar.xz .tar.bz2 .tar.gz .zip" +CT_MPFR_SIGNATURE_FORMAT="packed/.asc" +CT_MPFR_later_than_4_0_0=y +CT_MPFR_4_0_0_or_later=y +CT_MPFR_later_than_3_0_0=y +CT_MPFR_3_0_0_or_later=y +CT_MPFR_REQUIRE_3_0_0_or_later=y +CT_COMP_LIBS_NCURSES=y +CT_COMP_LIBS_NCURSES_PKG_KSYM="NCURSES" +CT_NCURSES_DIR_NAME="ncurses" +CT_NCURSES_PKG_NAME="ncurses" +CT_NCURSES_SRC_RELEASE=y +CT_NCURSES_PATCH_ORDER="global" +CT_NCURSES_V_6_1=y +# CT_NCURSES_V_6_0 is not set +# CT_NCURSES_NO_VERSIONS is not set +CT_NCURSES_VERSION="6.1" +CT_NCURSES_MIRRORS="ftp://invisible-island.net/ncurses $(CT_Mirrors GNU ncurses)" +CT_NCURSES_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_NCURSES_ARCHIVE_FORMATS=".tar.gz" +CT_NCURSES_SIGNATURE_FORMAT="packed/.sig" +CT_NCURSES_HOST_CONFIG_ARGS="" +CT_NCURSES_HOST_DISABLE_DB=y +CT_NCURSES_HOST_FALLBACKS="linux,xterm,xterm-color,xterm-256color,vt100" +CT_NCURSES_TARGET_CONFIG_ARGS="" +# CT_NCURSES_TARGET_DISABLE_DB is not set +CT_NCURSES_TARGET_FALLBACKS="" +CT_COMP_LIBS_ZLIB=y +CT_COMP_LIBS_ZLIB_PKG_KSYM="ZLIB" +CT_ZLIB_DIR_NAME="zlib" +CT_ZLIB_PKG_NAME="zlib" +CT_ZLIB_SRC_RELEASE=y +CT_ZLIB_PATCH_ORDER="global" +CT_ZLIB_V_1_2_11=y +# CT_ZLIB_NO_VERSIONS is not set +CT_ZLIB_VERSION="1.2.11" +CT_ZLIB_MIRRORS="http://downloads.sourceforge.net/project/libpng/zlib/${CT_ZLIB_VERSION}" +CT_ZLIB_ARCHIVE_FILENAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_DIRNAME="@{pkg_name}-@{version}" +CT_ZLIB_ARCHIVE_FORMATS=".tar.xz .tar.gz" +CT_ZLIB_SIGNATURE_FORMAT="packed/.asc" +CT_ALL_COMP_LIBS_CHOICES="CLOOG EXPAT GETTEXT GMP ISL LIBELF LIBICONV MPC MPFR NCURSES ZLIB" +CT_LIBICONV_NEEDED=y +CT_GETTEXT_NEEDED=y +CT_GMP_NEEDED=y +CT_MPFR_NEEDED=y +CT_ISL_NEEDED=y +CT_MPC_NEEDED=y +CT_NCURSES_NEEDED=y +CT_ZLIB_NEEDED=y +CT_LIBICONV=y +CT_GETTEXT=y +CT_GMP=y +CT_MPFR=y +CT_ISL=y +CT_MPC=y +CT_NCURSES=y +CT_ZLIB=y + +# +# Companion tools +# +# CT_COMP_TOOLS_FOR_HOST is not set +# CT_COMP_TOOLS_AUTOCONF is not set +# CT_COMP_TOOLS_AUTOMAKE is not set +# CT_COMP_TOOLS_BISON is not set +# CT_COMP_TOOLS_DTC is not set +# CT_COMP_TOOLS_LIBTOOL is not set +# CT_COMP_TOOLS_M4 is not set +# CT_COMP_TOOLS_MAKE is not set +CT_ALL_COMP_TOOLS_CHOICES="AUTOCONF AUTOMAKE BISON DTC LIBTOOL M4 MAKE" diff --git a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile index b960239807a..423aba06cca 100644 --- a/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile +++ b/src/ci/docker/host-x86_64/dist-x86_64-linux/Dockerfile @@ -78,7 +78,8 @@ ENV RUST_CONFIGURE_ARGS \ --set llvm.thin-lto=true \ --set llvm.ninja=false \ --set rust.jemalloc \ - --set rust.use-lld=true + --set rust.use-lld=true \ + --set rust.lto=thin ENV SCRIPT ../src/ci/pgo.sh python3 ../x.py dist \ --host $HOSTS --target $HOSTS \ --include-default-paths \ diff --git a/src/doc/rustc/src/command-line-arguments.md b/src/doc/rustc/src/command-line-arguments.md index 2d12cf382b1..2dc182b3d83 100644 --- a/src/doc/rustc/src/command-line-arguments.md +++ b/src/doc/rustc/src/command-line-arguments.md @@ -302,7 +302,7 @@ _Note:_ The order of these lint level arguments is taken into account, see [lint This flag will allow you to set unstable options of rustc. In order to set multiple options, the -Z flag can be used multiple times. For example: `rustc -Z verbose -Z time-passes`. Specifying options with -Z is only available on nightly. To view all available options -run: `rustc -Z help`. +run: `rustc -Z help`, or see [The Unstable Book](../unstable-book/index.html). <a id="option-cap-lints"></a> ## `--cap-lints`: set the most restrictive lint level diff --git a/src/doc/unstable-book/src/compiler-flags/dylib-lto.md b/src/doc/unstable-book/src/compiler-flags/dylib-lto.md new file mode 100644 index 00000000000..f69ea334f5a --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/dylib-lto.md @@ -0,0 +1,4 @@ +## `dylib-lto` + +This option enables using LTO for the `dylib` crate type. This is currently only used for compiling +`rustc` itself (more specifically, the `librustc_driver` dylib). diff --git a/src/doc/unstable-book/src/language-features/unix-sigpipe.md b/src/doc/unstable-book/src/language-features/unix-sigpipe.md index aa39b6eb288..7ed6a7de895 100644 --- a/src/doc/unstable-book/src/language-features/unix-sigpipe.md +++ b/src/doc/unstable-book/src/language-features/unix-sigpipe.md @@ -36,7 +36,7 @@ hello world Set the `SIGPIPE` handler to `SIG_IGN` before invoking `fn main()`. This will result in `ErrorKind::BrokenPipe` errors if you program tries to write to a closed pipe. This is normally what you want if you for example write socket servers, socket clients, or pipe peers. -This is what libstd has done by default since 2014. Omitting `#[unix_sigpipe = "..."]` is the same as having `#[unix_sigpipe = "sig_ign"]`. +This is what libstd has done by default since 2014. (However, see the note on child processes below.) ### Example @@ -52,3 +52,11 @@ hello world thread 'main' panicked at 'failed printing to stdout: Broken pipe (os error 32)', library/std/src/io/stdio.rs:1016:9 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace ``` + +### Note on child processes + +When spawning child processes, the legacy Rust behavior if `#[unix_sigpipe]` is not specified is to +reset `SIGPIPE` to `SIG_DFL`. + +If `#[unix_sigpipe = "..."]` is specified, no matter what its value is, the signal disposition of +`SIGPIPE` is no longer reset. This means that the child inherits the parent's `SIGPIPE` behavior. diff --git a/src/librustdoc/clean/blanket_impl.rs b/src/librustdoc/clean/blanket_impl.rs index 95061ae61e3..7c59e785752 100644 --- a/src/librustdoc/clean/blanket_impl.rs +++ b/src/librustdoc/clean/blanket_impl.rs @@ -13,116 +13,124 @@ pub(crate) struct BlanketImplFinder<'a, 'tcx> { impl<'a, 'tcx> BlanketImplFinder<'a, 'tcx> { pub(crate) fn get_blanket_impls(&mut self, item_def_id: DefId) -> Vec<Item> { - let param_env = self.cx.tcx.param_env(item_def_id); - let ty = self.cx.tcx.bound_type_of(item_def_id); + let cx = &mut self.cx; + let param_env = cx.tcx.param_env(item_def_id); + let ty = cx.tcx.bound_type_of(item_def_id); trace!("get_blanket_impls({:?})", ty); let mut impls = Vec::new(); - self.cx.with_all_traits(|cx, all_traits| { - for &trait_def_id in all_traits { - if !cx.cache.access_levels.is_public(trait_def_id) - || cx.generated_synthetics.get(&(ty.0, trait_def_id)).is_some() - { + for trait_def_id in cx.tcx.all_traits() { + if !cx.cache.access_levels.is_public(trait_def_id) + || cx.generated_synthetics.get(&(ty.0, trait_def_id)).is_some() + { + continue; + } + // NOTE: doesn't use `for_each_relevant_impl` to avoid looking at anything besides blanket impls + let trait_impls = cx.tcx.trait_impls_of(trait_def_id); + 'blanket_impls: for &impl_def_id in trait_impls.blanket_impls() { + trace!( + "get_blanket_impls: Considering impl for trait '{:?}' {:?}", + trait_def_id, + impl_def_id + ); + let trait_ref = cx.tcx.bound_impl_trait_ref(impl_def_id).unwrap(); + if !matches!(trait_ref.0.self_ty().kind(), ty::Param(_)) { continue; } - // NOTE: doesn't use `for_each_relevant_impl` to avoid looking at anything besides blanket impls - let trait_impls = cx.tcx.trait_impls_of(trait_def_id); - 'blanket_impls: for &impl_def_id in trait_impls.blanket_impls() { - trace!( - "get_blanket_impls: Considering impl for trait '{:?}' {:?}", - trait_def_id, - impl_def_id - ); - let trait_ref = cx.tcx.bound_impl_trait_ref(impl_def_id).unwrap(); - if !matches!(trait_ref.0.self_ty().kind(), ty::Param(_)) { - continue; - } - let infcx = cx.tcx.infer_ctxt().build(); - let substs = infcx.fresh_substs_for_item(DUMMY_SP, item_def_id); - let impl_ty = ty.subst(infcx.tcx, substs); - let param_env = EarlyBinder(param_env).subst(infcx.tcx, substs); + let infcx = cx.tcx.infer_ctxt().build(); + let substs = infcx.fresh_substs_for_item(DUMMY_SP, item_def_id); + let impl_ty = ty.subst(infcx.tcx, substs); + let param_env = EarlyBinder(param_env).subst(infcx.tcx, substs); - let impl_substs = infcx.fresh_substs_for_item(DUMMY_SP, impl_def_id); - let impl_trait_ref = trait_ref.subst(infcx.tcx, impl_substs); + let impl_substs = infcx.fresh_substs_for_item(DUMMY_SP, impl_def_id); + let impl_trait_ref = trait_ref.subst(infcx.tcx, impl_substs); - // Require the type the impl is implemented on to match - // our type, and ignore the impl if there was a mismatch. - let cause = traits::ObligationCause::dummy(); - let Ok(eq_result) = infcx.at(&cause, param_env).eq(impl_trait_ref.self_ty(), impl_ty) else { + // Require the type the impl is implemented on to match + // our type, and ignore the impl if there was a mismatch. + let cause = traits::ObligationCause::dummy(); + let Ok(eq_result) = infcx.at(&cause, param_env).eq(impl_trait_ref.self_ty(), impl_ty) else { continue }; - let InferOk { value: (), obligations } = eq_result; - // FIXME(eddyb) ignoring `obligations` might cause false positives. - drop(obligations); + let InferOk { value: (), obligations } = eq_result; + // FIXME(eddyb) ignoring `obligations` might cause false positives. + drop(obligations); - trace!( - "invoking predicate_may_hold: param_env={:?}, impl_trait_ref={:?}, impl_ty={:?}", + trace!( + "invoking predicate_may_hold: param_env={:?}, impl_trait_ref={:?}, impl_ty={:?}", + param_env, + impl_trait_ref, + impl_ty + ); + let predicates = cx + .tcx + .predicates_of(impl_def_id) + .instantiate(cx.tcx, impl_substs) + .predicates + .into_iter() + .chain(Some( + ty::Binder::dummy(impl_trait_ref) + .to_poly_trait_predicate() + .map_bound(ty::PredicateKind::Trait) + .to_predicate(infcx.tcx), + )); + for predicate in predicates { + debug!("testing predicate {:?}", predicate); + let obligation = traits::Obligation::new( + traits::ObligationCause::dummy(), param_env, - impl_trait_ref, - impl_ty + predicate, ); - let predicates = cx - .tcx - .predicates_of(impl_def_id) - .instantiate(cx.tcx, impl_substs) - .predicates - .into_iter() - .chain(Some( - ty::Binder::dummy(impl_trait_ref) - .to_poly_trait_predicate() - .map_bound(ty::PredicateKind::Trait) - .to_predicate(infcx.tcx), - )); - for predicate in predicates { - debug!("testing predicate {:?}", predicate); - let obligation = traits::Obligation::new( - traits::ObligationCause::dummy(), - param_env, - predicate, - ); - match infcx.evaluate_obligation(&obligation) { - Ok(eval_result) if eval_result.may_apply() => {} - Err(traits::OverflowError::Canonical) => {} - Err(traits::OverflowError::ErrorReporting) => {} - _ => continue 'blanket_impls, - } + match infcx.evaluate_obligation(&obligation) { + Ok(eval_result) if eval_result.may_apply() => {} + Err(traits::OverflowError::Canonical) => {} + Err(traits::OverflowError::ErrorReporting) => {} + _ => continue 'blanket_impls, } - debug!( - "get_blanket_impls: found applicable impl for trait_ref={:?}, ty={:?}", - trait_ref, ty - ); + } + debug!( + "get_blanket_impls: found applicable impl for trait_ref={:?}, ty={:?}", + trait_ref, ty + ); - cx.generated_synthetics.insert((ty.0, trait_def_id)); + cx.generated_synthetics.insert((ty.0, trait_def_id)); - impls.push(Item { - name: None, - attrs: Default::default(), - visibility: Inherited, - item_id: ItemId::Blanket { impl_id: impl_def_id, for_: item_def_id }, - kind: Box::new(ImplItem(Box::new(Impl { - unsafety: hir::Unsafety::Normal, - generics: clean_ty_generics( - cx, - cx.tcx.generics_of(impl_def_id), - cx.tcx.explicit_predicates_of(impl_def_id), - ), - // FIXME(eddyb) compute both `trait_` and `for_` from - // the post-inference `trait_ref`, as it's more accurate. - trait_: Some(clean_trait_ref_with_bindings(cx, trait_ref.0, ThinVec::new())), - for_: clean_middle_ty(ty.0, cx, None), - items: cx.tcx - .associated_items(impl_def_id) - .in_definition_order() - .map(|x| clean_middle_assoc_item(x, cx)) - .collect::<Vec<_>>(), - polarity: ty::ImplPolarity::Positive, - kind: ImplKind::Blanket(Box::new(clean_middle_ty(trait_ref.0.self_ty(), cx, None))), - }))), - cfg: None, - }); - } + impls.push(Item { + name: None, + attrs: Default::default(), + visibility: Inherited, + item_id: ItemId::Blanket { impl_id: impl_def_id, for_: item_def_id }, + kind: Box::new(ImplItem(Box::new(Impl { + unsafety: hir::Unsafety::Normal, + generics: clean_ty_generics( + cx, + cx.tcx.generics_of(impl_def_id), + cx.tcx.explicit_predicates_of(impl_def_id), + ), + // FIXME(eddyb) compute both `trait_` and `for_` from + // the post-inference `trait_ref`, as it's more accurate. + trait_: Some(clean_trait_ref_with_bindings( + cx, + trait_ref.0, + ThinVec::new(), + )), + for_: clean_middle_ty(ty.0, cx, None), + items: cx + .tcx + .associated_items(impl_def_id) + .in_definition_order() + .map(|x| clean_middle_assoc_item(x, cx)) + .collect::<Vec<_>>(), + polarity: ty::ImplPolarity::Positive, + kind: ImplKind::Blanket(Box::new(clean_middle_ty( + trait_ref.0.self_ty(), + cx, + None, + ))), + }))), + cfg: None, + }); } - }); + } impls } diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 5f674ed7441..d86a2682641 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -774,31 +774,36 @@ fn clean_ty_generics<'tcx>( let mut where_predicates = where_predicates.into_iter().flat_map(|p| clean_predicate(*p, cx)).collect::<Vec<_>>(); - // Type parameters have a Sized bound by default unless removed with - // ?Sized. Scan through the predicates and mark any type parameter with - // a Sized bound, removing the bounds as we find them. + // In the surface language, all type parameters except `Self` have an + // implicit `Sized` bound unless removed with `?Sized`. + // However, in the list of where-predicates below, `Sized` appears like a + // normal bound: It's either present (the type is sized) or + // absent (the type is unsized) but never *maybe* (i.e. `?Sized`). // - // Note that associated types also have a sized bound by default, but we + // This is unsuitable for rendering. + // Thus, as a first step remove all `Sized` bounds that should be implicit. + // + // Note that associated types also have an implicit `Sized` bound but we // don't actually know the set of associated types right here so that's - // handled in cleaning associated types + // handled when cleaning associated types. let mut sized_params = FxHashSet::default(); - where_predicates.retain(|pred| match *pred { - WherePredicate::BoundPredicate { ty: Generic(ref g), ref bounds, .. } => { - if bounds.iter().any(|b| b.is_sized_bound(cx)) { - sized_params.insert(*g); - false - } else { - true - } + where_predicates.retain(|pred| { + if let WherePredicate::BoundPredicate { ty: Generic(g), bounds, .. } = pred + && *g != kw::SelfUpper + && bounds.iter().any(|b| b.is_sized_bound(cx)) + { + sized_params.insert(*g); + false + } else { + true } - _ => true, }); - // Run through the type parameters again and insert a ?Sized - // unbound for any we didn't find to be Sized. + // As a final step, go through the type parameters again and insert a + // `?Sized` bound for each one we didn't find to be `Sized`. for tp in &stripped_params { - if matches!(tp.kind, types::GenericParamDefKind::Type { .. }) - && !sized_params.contains(&tp.name) + if let types::GenericParamDefKind::Type { .. } = tp.kind + && !sized_params.contains(&tp.name) { where_predicates.push(WherePredicate::BoundPredicate { ty: Type::Generic(tp.name), @@ -1201,21 +1206,19 @@ pub(crate) fn clean_middle_assoc_item<'tcx>( } if let ty::TraitContainer = assoc_item.container { - // FIXME(fmease): `tcx.explicit_item_bounds` does not contain the bounds of GATs, - // e.g. the bounds `Copy`, `Display` & (implicitly) `Sized` in - // `type Assoc<T: Copy> where T: Display`. This also means that we - // later incorrectly render `where T: ?Sized`. - // - // The result of `tcx.explicit_predicates_of` *does* contain them but - // it does not contain the other bounds / predicates we need. - // Either merge those two interned lists somehow or refactor - // `clean_ty_generics` to call `explicit_item_bounds` by itself. let bounds = tcx.explicit_item_bounds(assoc_item.def_id); - let predicates = ty::GenericPredicates { parent: None, predicates: bounds }; - let mut generics = - clean_ty_generics(cx, tcx.generics_of(assoc_item.def_id), predicates); - // Filter out the bounds that are (likely?) directly attached to the associated type, - // as opposed to being located in the where clause. + let predicates = tcx.explicit_predicates_of(assoc_item.def_id).predicates; + let predicates = + tcx.arena.alloc_from_iter(bounds.into_iter().chain(predicates).copied()); + let mut generics = clean_ty_generics( + cx, + tcx.generics_of(assoc_item.def_id), + ty::GenericPredicates { parent: None, predicates }, + ); + // Move bounds that are (likely) directly attached to the associated type + // from the where clause to the associated type. + // There is no guarantee that this is what the user actually wrote but we have + // no way of knowing. let mut bounds = generics .where_predicates .drain_filter(|pred| match *pred { @@ -1273,6 +1276,24 @@ pub(crate) fn clean_middle_assoc_item<'tcx>( } None => bounds.push(GenericBound::maybe_sized(cx)), } + // Move bounds that are (likely) directly attached to the parameters of the + // (generic) associated type from the where clause to the respective parameter. + // There is no guarantee that this is what the user actually wrote but we have + // no way of knowing. + let mut where_predicates = Vec::new(); + for mut pred in generics.where_predicates { + if let WherePredicate::BoundPredicate { ty: Generic(arg), bounds, .. } = &mut pred + && let Some(GenericParamDef { + kind: GenericParamDefKind::Type { bounds: param_bounds, .. }, + .. + }) = generics.params.iter_mut().find(|param| ¶m.name == arg) + { + param_bounds.extend(mem::take(bounds)); + } else { + where_predicates.push(pred); + } + } + generics.where_predicates = where_predicates; if tcx.impl_defaultness(assoc_item.def_id).has_value() { AssocTypeItem( diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 858e939bd96..8232353f915 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -38,7 +38,6 @@ pub(crate) struct ResolverCaches { /// Traits in scope for a given module. /// See `collect_intra_doc_links::traits_implemented_by` for more details. pub(crate) traits_in_scope: DefIdMap<Vec<TraitCandidate>>, - pub(crate) all_traits: Option<Vec<DefId>>, pub(crate) all_trait_impls: Option<Vec<DefId>>, pub(crate) all_macro_rules: FxHashMap<Symbol, Res<NodeId>>, } @@ -134,12 +133,6 @@ impl<'tcx> DocContext<'tcx> { } } - pub(crate) fn with_all_traits(&mut self, f: impl FnOnce(&mut Self, &[DefId])) { - let all_traits = self.resolver_caches.all_traits.take(); - f(self, all_traits.as_ref().expect("`all_traits` are already borrowed")); - self.resolver_caches.all_traits = all_traits; - } - pub(crate) fn with_all_trait_impls(&mut self, f: impl FnOnce(&mut Self, &[DefId])) { let all_trait_impls = self.resolver_caches.all_trait_impls.take(); f(self, all_trait_impls.as_ref().expect("`all_trait_impls` are already borrowed")); @@ -353,14 +346,8 @@ pub(crate) fn run_global_ctxt( }); rustc_passes::stability::check_unused_or_stable_features(tcx); - let auto_traits = resolver_caches - .all_traits - .as_ref() - .expect("`all_traits` are already borrowed") - .iter() - .copied() - .filter(|&trait_def_id| tcx.trait_is_auto(trait_def_id)) - .collect(); + let auto_traits = + tcx.all_traits().filter(|&trait_def_id| tcx.trait_is_auto(trait_def_id)).collect(); let access_levels = tcx.privacy_access_levels(()).map_id(Into::into); let mut ctxt = DocContext { diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index cb216970c7c..db70029f6ec 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -208,12 +208,13 @@ pub(crate) fn run(options: RustdocOptions) -> Result<(), ErrorGuaranteed> { pub(crate) fn run_tests( mut test_args: Vec<String>, nocapture: bool, - tests: Vec<test::TestDescAndFn>, + mut tests: Vec<test::TestDescAndFn>, ) { test_args.insert(0, "rustdoctest".to_string()); if nocapture { test_args.push("--nocapture".to_string()); } + tests.sort_by(|a, b| a.desc.name.as_slice().cmp(&b.desc.name.as_slice())); test::test_main(&test_args, tests, None); } diff --git a/src/librustdoc/html/static/css/noscript.css b/src/librustdoc/html/static/css/noscript.css index 0a19a99abf0..301f03a1642 100644 --- a/src/librustdoc/html/static/css/noscript.css +++ b/src/librustdoc/html/static/css/noscript.css @@ -14,7 +14,11 @@ rules. display: none; } -.sub { +nav.sub { /* The search bar and related controls don't work without JS */ display: none; } + +.source .sidebar { + display: none; +} diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 746a510c488..173553ed477 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -184,7 +184,6 @@ h4.code-header { } .code-header { font-weight: 600; - border-bottom-style: none; margin: 0; padding: 0; } @@ -365,15 +364,8 @@ img { overflow: visible; } -.sub-container { - display: flex; - flex-direction: row; - flex-wrap: nowrap; -} - .sub-logo-container { - display: block; - margin-right: 20px; + line-height: 0; } .sub-logo-container > img { @@ -410,10 +402,6 @@ img { overflow-y: hidden; } -.rustdoc.source .sidebar .sidebar-logo { - display: none; -} - .source .sidebar, #sidebar-toggle, #source-sidebar { background-color: var(--sidebar-background-color); } @@ -546,7 +534,6 @@ ul.block, .block li { } .source .content pre.rust { - white-space: pre; overflow: auto; padding-left: 0; } @@ -641,7 +628,6 @@ pre.example-line-numbers { .out-of-band { flex-grow: 0; font-size: 1.125rem; - font-weight: normal; } .docblock code, .docblock-short code, @@ -696,14 +682,21 @@ pre, .rustdoc.source .example-wrap { } nav.sub { - position: relative; flex-grow: 1; - margin-bottom: 25px; + flex-flow: row nowrap; + margin: 4px 0 25px 0; + display: flex; + align-items: center; +} +nav.sub form { + flex-grow: 1; } .source nav.sub { + margin: 0 0 15px 0; +} +.source nav.sub form { margin-left: 32px; } -nav.sub form { display: inline; } a { text-decoration: none; @@ -796,7 +789,6 @@ table, position: relative; display: flex; height: 34px; - margin-top: 4px; } .search-results-title { margin-top: 0; @@ -922,7 +914,7 @@ so that we can apply CSS-filters to change the arrow color in themes */ flex-flow: row wrap; } -.search-results .result-name, .search-results div.desc, .search-results .result-description { +.search-results .result-name, .search-results div.desc { width: 50%; } .search-results .result-name { @@ -1236,9 +1228,6 @@ a.test-arrow { .example-wrap:hover .test-arrow { visibility: visible; } -a.test-arrow:hover { - text-decoration: none; -} .code-attribute { font-weight: 300; @@ -1537,6 +1526,7 @@ details.dir-entry a { https://developer.mozilla.org/en-US/docs/Web/CSS/contain */ details.rustdoc-toggle { contain: layout; + position: relative; } /* The hideme class is used on summary tags that contain a span with @@ -1630,10 +1620,6 @@ details.rustdoc-toggle[open] > summary.hideme { position: absolute; } -details.rustdoc-toggle { - position: relative; -} - details.rustdoc-toggle[open] > summary.hideme > span { display: none; } @@ -1822,10 +1808,6 @@ in storage.js margin-left: 0px; } - .source .content { - margin-top: 10px; - } - .anchor { display: none !important; } @@ -1908,10 +1890,10 @@ in storage.js border-bottom: 1px solid #aaa9; padding: 5px 0px; } - .search-results .result-name, .search-results div.desc, .search-results .result-description { + .search-results .result-name, .search-results div.desc { width: 100%; } - .search-results div.desc, .search-results .result-description, .item-right { + .search-results div.desc, .item-right { padding-left: 2em; } @@ -1934,6 +1916,11 @@ in storage.js .impl-items > .item-info { margin-left: 34px; } + + .source nav.sub { + margin: 0; + padding: 8px; + } } @media print { @@ -1962,12 +1949,12 @@ in storage.js overflow-wrap: anywhere; } - .sub-container { + nav.sub { flex-direction: column; } - .sub-logo-container { - align-self: center; + nav.sub form { + align-self: stretch; } .sub-logo-container > img { @@ -1983,8 +1970,8 @@ in storage.js } } -.method-toggle summary, -.implementors-toggle summary, +.method-toggle > summary, +.implementors-toggle > summary, .impl, #implementors-list > .docblock, .impl-items > section, @@ -1993,10 +1980,7 @@ in storage.js margin-bottom: 0.75em; } -.method-toggle[open]:not(:last-child) { - margin-bottom: 2em; -} - +.method-toggle[open]:not(:last-child), .implementors-toggle[open]:not(:last-child) { margin-bottom: 2em; } diff --git a/src/librustdoc/html/templates/page.html b/src/librustdoc/html/templates/page.html index 20a314a1c00..ee8938ea603 100644 --- a/src/librustdoc/html/templates/page.html +++ b/src/librustdoc/html/templates/page.html @@ -89,6 +89,7 @@ </nav> {#- -#} {%- endif -%} <nav class="sidebar"> {#- -#} + {%- if page.css_class != "source" -%} <a class="sidebar-logo" href="{{page.root_path|safe}}{{krate_with_trailing_slash|safe}}index.html"> {#- -#} <div class="logo-container"> {#- -#} {%- if !layout.logo.is_empty() %} @@ -98,11 +99,12 @@ {%- endif -%} </div> {#- -#} </a> {#- -#} + {%- endif -%} {{- sidebar|safe -}} </nav> {#- -#} <main> {#- -#} <div class="width-limiter"> {#- -#} - <div class="sub-container"> {#- -#} + <nav class="sub"> {#- -#} {%- if page.css_class == "source" -%} <a class="sub-logo-container" href="{{page.root_path|safe}}{{krate_with_trailing_slash|safe}}index.html"> {#- -#} {%- if !layout.logo.is_empty() %} @@ -112,30 +114,28 @@ {%- endif -%} </a> {#- -#} {%- endif -%} - <nav class="sub"> {#- -#} - <form class="search-form"> {#- -#} - <div class="search-container"> {#- -#} - <span></span> {#- This empty span is a hacky fix for Safari - See #93184 -#} - <input {# -#} - class="search-input" {# -#} - name="search" {# -#} - autocomplete="off" {# -#} - spellcheck="false" {# -#} - placeholder="Click or press ‘S’ to search, ‘?’ for more options…" {# -#} - type="search"> {#- -#} - <div id="help-button" title="help" tabindex="-1"> {#- -#} - <a href="{{page.root_path|safe}}help.html">?</a> {#- -#} - </div> {#- -#} - <div id="settings-menu" tabindex="-1"> {#- -#} - <a href="{{page.root_path|safe}}settings.html" title="settings"> {#- -#} - <img width="22" height="22" alt="Change settings" {# -#} - src="{{static_root_path|safe}}wheel{{page.resource_suffix}}.svg"> {#- -#} - </a> {#- -#} - </div> {#- -#} + <form class="search-form"> {#- -#} + <div class="search-container"> {#- -#} + <span></span> {#- This empty span is a hacky fix for Safari - See #93184 -#} + <input {# -#} + class="search-input" {# -#} + name="search" {# -#} + autocomplete="off" {# -#} + spellcheck="false" {# -#} + placeholder="Click or press ‘S’ to search, ‘?’ for more options…" {# -#} + type="search"> {#- -#} + <div id="help-button" title="help" tabindex="-1"> {#- -#} + <a href="{{page.root_path|safe}}help.html">?</a> {#- -#} </div> {#- -#} - </form> {#- -#} - </nav> {#- -#} - </div> {#- -#} + <div id="settings-menu" tabindex="-1"> {#- -#} + <a href="{{page.root_path|safe}}settings.html" title="settings"> {#- -#} + <img width="22" height="22" alt="Change settings" {# -#} + src="{{static_root_path|safe}}wheel{{page.resource_suffix}}.svg"> {#- -#} + </a> {#- -#} + </div> {#- -#} + </div> {#- -#} + </form> {#- -#} + </nav> {#- -#} <section id="main-content" class="content">{{- content|safe -}}</section> {#- -#} </div> {#- -#} </main> {#- -#} diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 793061a9f7a..4cf9435d9c8 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -154,7 +154,6 @@ pub fn main() { } } - rustc_driver::set_sigpipe_handler(); rustc_driver::install_ice_hook(); // When using CI artifacts (with `download_stage1 = true`), tracing is unconditionally built diff --git a/src/librustdoc/passes/collect_intra_doc_links/early.rs b/src/librustdoc/passes/collect_intra_doc_links/early.rs index 50dc26d768c..d121a3e2aa4 100644 --- a/src/librustdoc/passes/collect_intra_doc_links/early.rs +++ b/src/librustdoc/passes/collect_intra_doc_links/early.rs @@ -37,7 +37,6 @@ pub(crate) fn early_resolve_intra_doc_links( markdown_links: Default::default(), doc_link_resolutions: Default::default(), traits_in_scope: Default::default(), - all_traits: Default::default(), all_trait_impls: Default::default(), all_macro_rules: Default::default(), document_private_items, @@ -63,7 +62,6 @@ pub(crate) fn early_resolve_intra_doc_links( markdown_links: Some(link_resolver.markdown_links), doc_link_resolutions: link_resolver.doc_link_resolutions, traits_in_scope: link_resolver.traits_in_scope, - all_traits: Some(link_resolver.all_traits), all_trait_impls: Some(link_resolver.all_trait_impls), all_macro_rules: link_resolver.all_macro_rules, } @@ -81,7 +79,6 @@ struct EarlyDocLinkResolver<'r, 'ra> { markdown_links: FxHashMap<String, Vec<PreprocessedMarkdownLink>>, doc_link_resolutions: FxHashMap<(Symbol, Namespace, DefId), Option<Res<ast::NodeId>>>, traits_in_scope: DefIdMap<Vec<TraitCandidate>>, - all_traits: Vec<DefId>, all_trait_impls: Vec<DefId>, all_macro_rules: FxHashMap<Symbol, Res<ast::NodeId>>, document_private_items: bool, @@ -122,8 +119,6 @@ impl<'ra> EarlyDocLinkResolver<'_, 'ra> { loop { let crates = Vec::from_iter(self.resolver.cstore().crates_untracked()); for &cnum in &crates[start_cnum..] { - let all_traits = - Vec::from_iter(self.resolver.cstore().traits_in_crate_untracked(cnum)); let all_trait_impls = Vec::from_iter(self.resolver.cstore().trait_impls_in_crate_untracked(cnum)); let all_inherent_impls = @@ -132,20 +127,18 @@ impl<'ra> EarlyDocLinkResolver<'_, 'ra> { self.resolver.cstore().incoherent_impls_in_crate_untracked(cnum), ); - // Querying traits in scope is expensive so we try to prune the impl and traits lists - // using privacy, private traits and impls from other crates are never documented in + // Querying traits in scope is expensive so we try to prune the impl lists using + // privacy, private traits and impls from other crates are never documented in // the current crate, and links in their doc comments are not resolved. - for &def_id in &all_traits { - if self.resolver.cstore().visibility_untracked(def_id).is_public() { - self.resolve_doc_links_extern_impl(def_id, false); - } - } for &(trait_def_id, impl_def_id, simplified_self_ty) in &all_trait_impls { if self.resolver.cstore().visibility_untracked(trait_def_id).is_public() && simplified_self_ty.and_then(|ty| ty.def()).map_or(true, |ty_def_id| { self.resolver.cstore().visibility_untracked(ty_def_id).is_public() }) { + if self.visited_mods.insert(trait_def_id) { + self.resolve_doc_links_extern_impl(trait_def_id, false); + } self.resolve_doc_links_extern_impl(impl_def_id, false); } } @@ -158,7 +151,6 @@ impl<'ra> EarlyDocLinkResolver<'_, 'ra> { self.resolve_doc_links_extern_impl(impl_def_id, true); } - self.all_traits.extend(all_traits); self.all_trait_impls .extend(all_trait_impls.into_iter().map(|(_, def_id, _)| def_id)); } @@ -307,15 +299,20 @@ impl<'ra> EarlyDocLinkResolver<'_, 'ra> { { if let Some(def_id) = child.res.opt_def_id() && !def_id.is_local() { let scope_id = match child.res { - Res::Def(DefKind::Variant, ..) => self.resolver.parent(def_id), + Res::Def( + DefKind::Variant + | DefKind::AssocTy + | DefKind::AssocFn + | DefKind::AssocConst, + .., + ) => self.resolver.parent(def_id), _ => def_id, }; self.resolve_doc_links_extern_outer(def_id, scope_id); // Outer attribute scope if let Res::Def(DefKind::Mod, ..) = child.res { self.resolve_doc_links_extern_inner(def_id); // Inner attribute scope } - // `DefKind::Trait`s are processed in `process_extern_impls`. - if let Res::Def(DefKind::Mod | DefKind::Enum, ..) = child.res { + if let Res::Def(DefKind::Mod | DefKind::Enum | DefKind::Trait, ..) = child.res { self.process_module_children_or_reexports(def_id); } if let Res::Def(DefKind::Struct | DefKind::Union | DefKind::Variant, _) = @@ -357,9 +354,6 @@ impl Visitor<'_> for EarlyDocLinkResolver<'_, '_> { self.parent_scope.module = old_module; } else { match &item.kind { - ItemKind::Trait(..) => { - self.all_traits.push(self.resolver.local_def_id(item.id).to_def_id()); - } ItemKind::Impl(box ast::Impl { of_trait: Some(..), .. }) => { self.all_trait_impls.push(self.resolver.local_def_id(item.id).to_def_id()); } diff --git a/src/llvm-project b/src/llvm-project -Subproject 9567f08afc94332d59025744f3a8198104949d3 +Subproject 4b85255772114ca4946d95fe591933dae7d6199 diff --git a/src/test/codegen/deduced-param-attrs.rs b/src/test/codegen/deduced-param-attrs.rs new file mode 100644 index 00000000000..153046eef3c --- /dev/null +++ b/src/test/codegen/deduced-param-attrs.rs @@ -0,0 +1,60 @@ +// compile-flags: -O + +#![crate_type = "lib"] +#![allow(incomplete_features)] +#![feature(unsized_locals, unsized_fn_params)] + +use std::cell::Cell; +use std::hint; + +// Check to make sure that we can deduce the `readonly` attribute from function bodies for +// parameters passed indirectly. + +pub struct BigStruct { + blah: [i32; 1024], +} + +pub struct BigCellContainer { + blah: [Cell<i32>; 1024], +} + +// The by-value parameter for this big struct can be marked readonly. +// +// CHECK: @use_big_struct_immutably({{.*}} readonly {{.*}} %big_struct) +#[no_mangle] +pub fn use_big_struct_immutably(big_struct: BigStruct) { + hint::black_box(&big_struct); +} + +// The by-value parameter for this big struct can't be marked readonly, because we mutate it. +// +// CHECK-NOT: @use_big_struct_mutably({{.*}} readonly {{.*}} %big_struct) +#[no_mangle] +pub fn use_big_struct_mutably(mut big_struct: BigStruct) { + big_struct.blah[987] = 654; + hint::black_box(&big_struct); +} + +// The by-value parameter for this big struct can't be marked readonly, because it contains +// UnsafeCell. +// +// CHECK-NOT: @use_big_cell_container({{.*}} readonly {{.*}} %big_cell_container) +#[no_mangle] +pub fn use_big_cell_container(big_cell_container: BigCellContainer) { + hint::black_box(&big_cell_container); +} + +// Make sure that we don't mistakenly mark a big struct as `readonly` when passed through a generic +// type parameter if it contains UnsafeCell. +// +// CHECK-NOT: @use_something({{.*}} readonly {{.*}} %something) +#[no_mangle] +#[inline(never)] +pub fn use_something<T>(something: T) { + hint::black_box(&something); +} + +#[no_mangle] +pub fn forward_big_cell_container(big_cell_container: BigCellContainer) { + use_something(big_cell_container) +} diff --git a/src/test/codegen/function-arguments.rs b/src/test/codegen/function-arguments.rs index bc650ebf5ee..44fee952307 100644 --- a/src/test/codegen/function-arguments.rs +++ b/src/test/codegen/function-arguments.rs @@ -127,7 +127,7 @@ pub fn mutable_notunpin_borrow(_: &mut NotUnpin) { pub fn notunpin_borrow(_: &NotUnpin) { } -// CHECK: @indirect_struct({{%S\*|ptr}} noalias nocapture noundef dereferenceable(32) %_1) +// CHECK: @indirect_struct({{%S\*|ptr}} noalias nocapture noundef readonly dereferenceable(32) %_1) #[no_mangle] pub fn indirect_struct(_: S) { } diff --git a/src/test/pretty/raw-str-nonexpr.rs b/src/test/pretty/raw-str-nonexpr.rs index 7af80979b43..12440b5ae6e 100644 --- a/src/test/pretty/raw-str-nonexpr.rs +++ b/src/test/pretty/raw-str-nonexpr.rs @@ -1,3 +1,4 @@ +// needs-asm-support // pp-exact #[cfg(foo = r#"just parse this"#)] diff --git a/src/test/pretty/tests-are-sorted.pp b/src/test/pretty/tests-are-sorted.pp new file mode 100644 index 00000000000..15dcd4ed97d --- /dev/null +++ b/src/test/pretty/tests-are-sorted.pp @@ -0,0 +1,69 @@ +#![feature(prelude_import)] +#![no_std] +#[prelude_import] +use ::std::prelude::rust_2015::*; +#[macro_use] +extern crate std; +// compile-flags: --crate-type=lib --test +// pretty-compare-only +// pretty-mode:expanded +// pp-exact:tests-are-sorted.pp + +extern crate test; +#[cfg(test)] +#[rustc_test_marker = "m_test"] +pub const m_test: test::TestDescAndFn = + test::TestDescAndFn { + desc: test::TestDesc { + name: test::StaticTestName("m_test"), + ignore: false, + ignore_message: ::core::option::Option::None, + compile_fail: false, + no_run: false, + should_panic: test::ShouldPanic::No, + test_type: test::TestType::Unknown, + }, + testfn: test::StaticTestFn(|| test::assert_test_result(m_test())), + }; +fn m_test() {} + +extern crate test; +#[cfg(test)] +#[rustc_test_marker = "z_test"] +pub const z_test: test::TestDescAndFn = + test::TestDescAndFn { + desc: test::TestDesc { + name: test::StaticTestName("z_test"), + ignore: false, + ignore_message: ::core::option::Option::None, + compile_fail: false, + no_run: false, + should_panic: test::ShouldPanic::No, + test_type: test::TestType::Unknown, + }, + testfn: test::StaticTestFn(|| test::assert_test_result(z_test())), + }; +fn z_test() {} + +extern crate test; +#[cfg(test)] +#[rustc_test_marker = "a_test"] +pub const a_test: test::TestDescAndFn = + test::TestDescAndFn { + desc: test::TestDesc { + name: test::StaticTestName("a_test"), + ignore: false, + ignore_message: ::core::option::Option::None, + compile_fail: false, + no_run: false, + should_panic: test::ShouldPanic::No, + test_type: test::TestType::Unknown, + }, + testfn: test::StaticTestFn(|| test::assert_test_result(a_test())), + }; +fn a_test() {} +#[rustc_main] +pub fn main() -> () { + extern crate test; + test::test_main_static(&[&a_test, &m_test, &z_test]) +} diff --git a/src/test/pretty/tests-are-sorted.rs b/src/test/pretty/tests-are-sorted.rs new file mode 100644 index 00000000000..1f737d54719 --- /dev/null +++ b/src/test/pretty/tests-are-sorted.rs @@ -0,0 +1,13 @@ +// compile-flags: --crate-type=lib --test +// pretty-compare-only +// pretty-mode:expanded +// pp-exact:tests-are-sorted.pp + +#[test] +fn m_test() {} + +#[test] +fn z_test() {} + +#[test] +fn a_test() {} diff --git a/src/test/run-make-fulldeps/intrinsic-unreachable/Makefile b/src/test/run-make-fulldeps/intrinsic-unreachable/Makefile index 3c4dade0f52..ff9cc57098c 100644 --- a/src/test/run-make-fulldeps/intrinsic-unreachable/Makefile +++ b/src/test/run-make-fulldeps/intrinsic-unreachable/Makefile @@ -1,5 +1,6 @@ include ../tools.mk +# needs-asm-support # ignore-windows-msvc # # Because of Windows exception handling, the code is not necessarily any shorter. diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/Makefile b/src/test/run-make/raw-dylib-inline-cross-dylib/Makefile new file mode 100644 index 00000000000..9e603f95835 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/Makefile @@ -0,0 +1,31 @@ +# Regression test for calling an inline function that uses a raw-dylib function. + +# only-windows + +include ../../run-make-fulldeps/tools.mk + +all: + $(RUSTC) --crate-type dylib --crate-name raw_dylib_test lib.rs -C prefer-dynamic + $(RUSTC) --crate-type dylib --crate-name raw_dylib_test_wrapper lib_wrapper.rs -C prefer-dynamic + $(RUSTC) --crate-type bin driver.rs -L "$(TMPDIR)" -C prefer-dynamic + # Make sure we don't find an import to the functions we expect to be inlined. + "$(LLVM_BIN_DIR)"/llvm-objdump -p $(TMPDIR)/driver.exe | $(CGREP) -v -e "inline_library_function" + "$(LLVM_BIN_DIR)"/llvm-objdump -p $(TMPDIR)/driver.exe | $(CGREP) -v -e "inline_library_function_calls_inline" + # Make sure we do find an import to the functions we expect to be imported. + "$(LLVM_BIN_DIR)"/llvm-objdump -p $(TMPDIR)/driver.exe | $(CGREP) -e "library_function" + $(call COMPILE_OBJ,"$(TMPDIR)"/extern_1.obj,extern_1.c) + $(call COMPILE_OBJ,"$(TMPDIR)"/extern_2.obj,extern_2.c) +ifdef IS_MSVC + $(CC) "$(TMPDIR)"/extern_1.obj -link -dll -out:"$(TMPDIR)"/extern_1.dll -noimplib + $(CC) "$(TMPDIR)"/extern_2.obj -link -dll -out:"$(TMPDIR)"/extern_2.dll -noimplib +else + $(CC) "$(TMPDIR)"/extern_1.obj -shared -o "$(TMPDIR)"/extern_1.dll + $(CC) "$(TMPDIR)"/extern_2.obj -shared -o "$(TMPDIR)"/extern_2.dll +endif + $(call RUN,driver) > "$(TMPDIR)"/output.txt + +ifdef RUSTC_BLESS_TEST + cp "$(TMPDIR)"/output.txt output.txt +else + $(DIFF) output.txt "$(TMPDIR)"/output.txt +endif diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/driver.rs b/src/test/run-make/raw-dylib-inline-cross-dylib/driver.rs new file mode 100644 index 00000000000..f72ded7d9f6 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/driver.rs @@ -0,0 +1,21 @@ +#![feature(raw_dylib)] + +extern crate raw_dylib_test; +extern crate raw_dylib_test_wrapper; + +#[link(name = "extern_2", kind = "raw-dylib")] +extern { + fn extern_fn_2(); +} + +fn main() { + // NOTE: The inlined call to `extern_fn_2` links against the function in extern_2.dll instead + // of extern_1.dll since raw-dylib symbols from the current crate are passed to the linker + // first, so any ambiguous names will prefer the current crate's definition. + raw_dylib_test::inline_library_function(); + raw_dylib_test::library_function(); + raw_dylib_test_wrapper::inline_library_function_calls_inline(); + unsafe { + extern_fn_2(); + } +} diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/extern_1.c b/src/test/run-make/raw-dylib-inline-cross-dylib/extern_1.c new file mode 100644 index 00000000000..e5baaf5f040 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/extern_1.c @@ -0,0 +1,11 @@ +#include <stdio.h> + +__declspec(dllexport) void extern_fn_1() { + printf("extern_fn_1\n"); + fflush(stdout); +} + +__declspec(dllexport) void extern_fn_2() { + printf("extern_fn_2 in extern_1\n"); + fflush(stdout); +} diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/extern_2.c b/src/test/run-make/raw-dylib-inline-cross-dylib/extern_2.c new file mode 100644 index 00000000000..30aa4692238 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/extern_2.c @@ -0,0 +1,6 @@ +#include <stdio.h> + +__declspec(dllexport) void extern_fn_2() { + printf("extern_fn_2 in extern_2\n"); + fflush(stdout); +} diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/lib.rs b/src/test/run-make/raw-dylib-inline-cross-dylib/lib.rs new file mode 100644 index 00000000000..00c2c1c42d1 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/lib.rs @@ -0,0 +1,21 @@ +#![feature(raw_dylib)] + +#[link(name = "extern_1", kind = "raw-dylib")] +extern { + fn extern_fn_1(); + fn extern_fn_2(); +} + +#[inline] +pub fn inline_library_function() { + unsafe { + extern_fn_1(); + extern_fn_2(); + } +} + +pub fn library_function() { + unsafe { + extern_fn_2(); + } +} diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/lib_wrapper.rs b/src/test/run-make/raw-dylib-inline-cross-dylib/lib_wrapper.rs new file mode 100644 index 00000000000..47191b8de21 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/lib_wrapper.rs @@ -0,0 +1,6 @@ +extern crate raw_dylib_test; + +#[inline] +pub fn inline_library_function_calls_inline() { + raw_dylib_test::inline_library_function(); +} diff --git a/src/test/run-make/raw-dylib-inline-cross-dylib/output.txt b/src/test/run-make/raw-dylib-inline-cross-dylib/output.txt new file mode 100644 index 00000000000..e7009baa0d4 --- /dev/null +++ b/src/test/run-make/raw-dylib-inline-cross-dylib/output.txt @@ -0,0 +1,6 @@ +extern_fn_1 +extern_fn_2 in extern_2 +extern_fn_2 in extern_1 +extern_fn_1 +extern_fn_2 in extern_2 +extern_fn_2 in extern_2 diff --git a/src/test/rustdoc-gui/docblock-details.goml b/src/test/rustdoc-gui/docblock-details.goml index f3cbe5767ae..9ae571efbb5 100644 --- a/src/test/rustdoc-gui/docblock-details.goml +++ b/src/test/rustdoc-gui/docblock-details.goml @@ -21,3 +21,14 @@ assert-property: (".top-doc .docblock summary h4", {"offsetHeight": "33"}) assert-css: (".top-doc .docblock summary h4", {"margin-top": "15px", "margin-bottom": "5px"}) // So `33 + 15 + 5` == `53` assert-property: (".top-doc .docblock summary", {"offsetHeight": "53"}) + +// We now check the `<summary>` on a method. +assert-css: ( + ".method-toggle .docblock summary h4", + {"border-bottom-width": "0px"}, +) +// This allows to ensure that summary is on one line only! +assert-property: (".method-toggle .docblock summary h4", {"offsetHeight": "30"}) +assert-css: (".method-toggle .docblock summary h4", {"margin-top": "15px", "margin-bottom": "5px"}) +// So `30 + 15 + 5` == `50` +assert-property: (".method-toggle .docblock summary", {"offsetHeight": "50"}) diff --git a/src/test/rustdoc-gui/headings.goml b/src/test/rustdoc-gui/headings.goml index 9a77d8bbd15..85e17ca9551 100644 --- a/src/test/rustdoc-gui/headings.goml +++ b/src/test/rustdoc-gui/headings.goml @@ -150,109 +150,85 @@ assert-css: ("h2#top-doc-prose-title", {"border-bottom-width": "1px"}) assert-css: ("h3#top-doc-prose-sub-heading", {"font-size": "20px"}) assert-css: ("h3#top-doc-prose-sub-heading", {"border-bottom-width": "1px"}) -// Checking colors now. +// Needed to check colors show-text: true -local-storage: {"rustdoc-theme": "light", "rustdoc-use-system-theme": "false"} goto: "file://" + |DOC_PATH| + "/test_docs/struct.HeavilyDocumentedStruct.html" -assert-css: ( - ".top-doc .docblock h2", - {"color": "rgb(0, 0, 0)", "border-bottom": "1px solid rgb(221, 221, 221)"}, -) -assert-css: ( - ".top-doc .docblock h3", - {"color": "rgb(0, 0, 0)", "border-bottom": "1px solid rgb(221, 221, 221)"}, -) -assert-css: ( - ".top-doc .docblock h4", - {"color": "rgb(0, 0, 0)", "border-bottom": "1px solid rgb(221, 221, 221)"}, -) -assert-css: ( - ".top-doc .docblock h5", - {"color": "rgb(0, 0, 0)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h4", - {"color": "rgb(0, 0, 0)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h5", - {"color": "rgb(0, 0, 0)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h6", - {"color": "rgb(0, 0, 0)", "border-bottom-width": "0px"}, -) -local-storage: {"rustdoc-theme": "dark"} -reload: -assert-css: ( - ".top-doc .docblock h2", - {"color": "rgb(221, 221, 221)", "border-bottom": "1px solid rgb(210, 210, 210)"}, -) -assert-css: ( - ".top-doc .docblock h3", - {"color": "rgb(221, 221, 221)", "border-bottom": "1px solid rgb(210, 210, 210)"}, -) -assert-css: ( - ".top-doc .docblock h4", - {"color": "rgb(221, 221, 221)", "border-bottom": "1px solid rgb(210, 210, 210)"}, -) -assert-css: ( - ".top-doc .docblock h5", - {"color": "rgb(221, 221, 221)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h4", - {"color": "rgb(221, 221, 221)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h5", - {"color": "rgb(221, 221, 221)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h6", - {"color": "rgb(221, 221, 221)", "border-bottom-width": "0px"}, +define-function: ( + "check-colors", + (theme, heading_color, small_heading_color, heading_border_color), + [ + ("local-storage", {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}), + ("reload"), + ("assert-css", ( + ".top-doc .docblock h2", + {"color": |heading_color|, "border-bottom": "1px solid " + |heading_border_color|}, + )), + ("assert-css", ( + ".top-doc .docblock h3", + {"color": |heading_color|, "border-bottom": "1px solid " + |heading_border_color|}, + )), + ("assert-css", ( + ".top-doc .docblock h4", + {"color": |heading_color|, "border-bottom": "1px solid " + |heading_border_color|}, + )), + ("assert-css", ( + ".top-doc .docblock h5", + {"color": |small_heading_color|, "border-bottom-width": "0px"}, + )), + ("assert-css", ( + "#implementations-list .docblock h4", + {"color": |heading_color|, "border-bottom-width": "0px"}, + )), + ("assert-css", ( + "#implementations-list .docblock h5", + {"color": |small_heading_color|, "border-bottom-width": "0px"}, + )), + ("assert-css", ( + "#implementations-list .docblock h6", + {"color": |small_heading_color|, "border-bottom-width": "0px"}, + )), + ], +) +call-function: ( + "check-colors", + { + "theme": "ayu", + "heading_color": "rgb(255, 255, 255)", + "small_heading_color": "rgb(197, 197, 197)", + "heading_border_color": "rgb(92, 103, 115)", + }, +) +call-function: ( + "check-colors", + { + "theme": "dark", + "heading_color": "rgb(221, 221, 221)", + "small_heading_color": "rgb(221, 221, 221)", + "heading_border_color": "rgb(210, 210, 210)", + }, +) +call-function: ( + "check-colors", + { + "theme": "light", + "heading_color": "rgb(0, 0, 0)", + "small_heading_color": "rgb(0, 0, 0)", + "heading_border_color": "rgb(221, 221, 221)", + }, +) + +define-function: ( + "check-since-color", + (theme), + [ + ("local-storage", {"rustdoc-theme": |theme|}), + ("reload"), + ("assert-css", (".since", {"color": "rgb(128, 128, 128)"}, ALL)), + ], ) -local-storage: {"rustdoc-theme": "ayu"} -reload: -assert-css: ( - ".top-doc .docblock h2", - {"color": "rgb(255, 255, 255)", "border-bottom": "1px solid rgb(92, 103, 115)"}, -) -assert-css: ( - ".top-doc .docblock h2", - {"color": "rgb(255, 255, 255)", "border-bottom": "1px solid rgb(92, 103, 115)"}, -) -assert-css: ( - ".top-doc .docblock h4", - {"color": "rgb(255, 255, 255)", "border-bottom": "1px solid rgb(92, 103, 115)"}, -) -assert-css: ( - ".top-doc .docblock h5", - {"color": "rgb(197, 197, 197)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h4", - {"color": "rgb(255, 255, 255)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h5", - {"color": "rgb(197, 197, 197)", "border-bottom-width": "0px"}, -) -assert-css: ( - "#implementations-list .docblock h6", - {"color": "rgb(197, 197, 197)", "border-bottom-width": "0px"}, -) - -local-storage: {"rustdoc-theme": "light"} goto: "file://" + |DOC_PATH| + "/staged_api/struct.Foo.html" -assert-css: (".since", {"color": "rgb(128, 128, 128)"}, ALL) - -local-storage: {"rustdoc-theme": "dark"} -reload: -assert-css: (".since", {"color": "rgb(128, 128, 128)"}, ALL) - -local-storage: {"rustdoc-theme": "ayu"} -reload: -assert-css: (".since", {"color": "rgb(128, 128, 128)"}, ALL) +call-function: ("check-since-color", ("ayu")) +call-function: ("check-since-color", ("dark")) +call-function: ("check-since-color", ("light")) diff --git a/src/test/rustdoc-gui/help-page.goml b/src/test/rustdoc-gui/help-page.goml index 51f089cce74..521e14748af 100644 --- a/src/test/rustdoc-gui/help-page.goml +++ b/src/test/rustdoc-gui/help-page.goml @@ -5,12 +5,12 @@ wait-for: "#help" assert-css: ("#help", {"display": "block"}) click: "#help-button > a" assert-css: ("#help", {"display": "block"}) -compare-elements-property: (".sub-container", "#help", ["offsetWidth"]) -compare-elements-position: (".sub-container", "#help", ("x")) +compare-elements-property: (".sub", "#help", ["offsetWidth"]) +compare-elements-position: (".sub", "#help", ("x")) size: (500, 1000) // Try mobile next. assert-css: ("#help", {"display": "block"}) -compare-elements-property: (".sub-container", "#help", ["offsetWidth"]) -compare-elements-position: (".sub-container", "#help", ("x")) +compare-elements-property: (".sub", "#help", ["offsetWidth"]) +compare-elements-position: (".sub", "#help", ("x")) // This test ensures that opening the help popover without switching pages works. goto: "file://" + |DOC_PATH| + "/test_docs/index.html" @@ -20,5 +20,5 @@ click: "#help-button > a" assert-css: ("#help", {"display": "block"}) click: "#help-button > a" assert-css: ("#help", {"display": "none"}) -compare-elements-property-false: (".sub-container", "#help", ["offsetWidth"]) -compare-elements-position-false: (".sub-container", "#help", ("x")) +compare-elements-property-false: (".sub", "#help", ["offsetWidth"]) +compare-elements-position-false: (".sub", "#help", ("x")) diff --git a/src/test/rustdoc-gui/highlight-colors.goml b/src/test/rustdoc-gui/highlight-colors.goml index dd01dbf6148..51693314e85 100644 --- a/src/test/rustdoc-gui/highlight-colors.goml +++ b/src/test/rustdoc-gui/highlight-colors.goml @@ -2,56 +2,93 @@ goto: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html" show-text: true -local-storage: {"rustdoc-theme": "ayu", "rustdoc-use-system-theme": "false"} -reload: +define-function: ( + "check-colors", + ( + theme, + kw, + kw2, + prelude_ty, + prelude_val, + lifetime, + number, + string, + bool_val, + self, + attribute, + macro, + question_mark, + comment, + doc_comment, + ), + [ + ("local-storage", {"rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false"}), + ("reload"), + ("assert-css", ("pre.rust .kw", {"color": |kw|}, ALL)), + ("assert-css", ("pre.rust .kw-2", {"color": |kw2|}, ALL)), + ("assert-css", ("pre.rust .prelude-ty", {"color": |prelude_ty|}, ALL)), + ("assert-css", ("pre.rust .prelude-val", {"color": |prelude_val|}, ALL)), + ("assert-css", ("pre.rust .lifetime", {"color": |lifetime|}, ALL)), + ("assert-css", ("pre.rust .number", {"color": |number|}, ALL)), + ("assert-css", ("pre.rust .string", {"color": |string|}, ALL)), + ("assert-css", ("pre.rust .bool-val", {"color": |bool_val|}, ALL)), + ("assert-css", ("pre.rust .self", {"color": |self|}, ALL)), + ("assert-css", ("pre.rust .attribute", {"color": |attribute|}, ALL)), + ("assert-css", ("pre.rust .macro", {"color": |macro|}, ALL)), + ("assert-css", ("pre.rust .question-mark", {"color": |question_mark|}, ALL)), + ("assert-css", ("pre.rust .comment", {"color": |comment|}, ALL)), + ("assert-css", ("pre.rust .doccomment", {"color": |doc_comment|}, ALL)), + ], +) -assert-css: ("pre.rust .kw", {"color": "rgb(255, 119, 51)"}, ALL) -assert-css: ("pre.rust .kw-2", {"color": "rgb(255, 119, 51)"}, ALL) -assert-css: ("pre.rust .prelude-ty", {"color": "rgb(105, 242, 223)"}, ALL) -assert-css: ("pre.rust .prelude-val", {"color": "rgb(255, 119, 51)"}, ALL) -assert-css: ("pre.rust .lifetime", {"color": "rgb(255, 119, 51)"}, ALL) -assert-css: ("pre.rust .number", {"color": "rgb(184, 204, 82)"}, ALL) -assert-css: ("pre.rust .string", {"color": "rgb(184, 204, 82)"}, ALL) -assert-css: ("pre.rust .bool-val", {"color": "rgb(255, 119, 51)"}, ALL) -assert-css: ("pre.rust .self", {"color": "rgb(54, 163, 217)"}, ALL) -assert-css: ("pre.rust .attribute", {"color": "rgb(230, 225, 207)"}, ALL) -assert-css: ("pre.rust .macro", {"color": "rgb(163, 122, 204)"}, ALL) -assert-css: ("pre.rust .question-mark", {"color": "rgb(255, 144, 17)"}, ALL) -assert-css: ("pre.rust .comment", {"color": "rgb(120, 135, 151)"}, ALL) -assert-css: ("pre.rust .doccomment", {"color": "rgb(161, 172, 136)"}, ALL) - -local-storage: {"rustdoc-theme": "dark"} -reload: - -assert-css: ("pre.rust .kw", {"color": "rgb(171, 138, 193)"}, ALL) -assert-css: ("pre.rust .kw-2", {"color": "rgb(118, 154, 203)"}, ALL) -assert-css: ("pre.rust .prelude-ty", {"color": "rgb(118, 154, 203)"}, ALL) -assert-css: ("pre.rust .prelude-val", {"color": "rgb(238, 104, 104)"}, ALL) -assert-css: ("pre.rust .lifetime", {"color": "rgb(217, 127, 38)"}, ALL) -assert-css: ("pre.rust .number", {"color": "rgb(131, 163, 0)"}, ALL) -assert-css: ("pre.rust .string", {"color": "rgb(131, 163, 0)"}, ALL) -assert-css: ("pre.rust .bool-val", {"color": "rgb(238, 104, 104)"}, ALL) -assert-css: ("pre.rust .self", {"color": "rgb(238, 104, 104)"}, ALL) -assert-css: ("pre.rust .attribute", {"color": "rgb(238, 104, 104)"}, ALL) -assert-css: ("pre.rust .macro", {"color": "rgb(62, 153, 159)"}, ALL) -assert-css: ("pre.rust .question-mark", {"color": "rgb(255, 144, 17)"}, ALL) -assert-css: ("pre.rust .comment", {"color": "rgb(141, 141, 139)"}, ALL) -assert-css: ("pre.rust .doccomment", {"color": "rgb(140, 163, 117)"}, ALL) - -local-storage: {"rustdoc-theme": "light"} -reload: - -assert-css: ("pre.rust .kw", {"color": "rgb(137, 89, 168)"}, ALL) -assert-css: ("pre.rust .kw-2", {"color": "rgb(66, 113, 174)"}, ALL) -assert-css: ("pre.rust .prelude-ty", {"color": "rgb(66, 113, 174)"}, ALL) -assert-css: ("pre.rust .prelude-val", {"color": "rgb(200, 40, 41)"}, ALL) -assert-css: ("pre.rust .lifetime", {"color": "rgb(183, 101, 20)"}, ALL) -assert-css: ("pre.rust .number", {"color": "rgb(113, 140, 0)"}, ALL) -assert-css: ("pre.rust .string", {"color": "rgb(113, 140, 0)"}, ALL) -assert-css: ("pre.rust .bool-val", {"color": "rgb(200, 40, 41)"}, ALL) -assert-css: ("pre.rust .self", {"color": "rgb(200, 40, 41)"}, ALL) -assert-css: ("pre.rust .attribute", {"color": "rgb(200, 40, 41)"}, ALL) -assert-css: ("pre.rust .macro", {"color": "rgb(62, 153, 159)"}, ALL) -assert-css: ("pre.rust .question-mark", {"color": "rgb(255, 144, 17)"}, ALL) -assert-css: ("pre.rust .comment", {"color": "rgb(142, 144, 140)"}, ALL) -assert-css: ("pre.rust .doccomment", {"color": "rgb(77, 77, 76)"}, ALL) +call-function: ("check-colors", { + "theme": "ayu", + "kw": "rgb(255, 119, 51)", + "kw2": "rgb(255, 119, 51)", + "prelude_ty": "rgb(105, 242, 223)", + "prelude_val": "rgb(255, 119, 51)", + "lifetime": "rgb(255, 119, 51)", + "number": "rgb(184, 204, 82)", + "string": "rgb(184, 204, 82)", + "bool_val": "rgb(255, 119, 51)", + "self": "rgb(54, 163, 217)", + "attribute": "rgb(230, 225, 207)", + "macro": "rgb(163, 122, 204)", + "question_mark": "rgb(255, 144, 17)", + "comment": "rgb(120, 135, 151)", + "doc_comment": "rgb(161, 172, 136)", +}) +call-function: ("check-colors", { + "theme": "dark", + "kw": "rgb(171, 138, 193)", + "kw2": "rgb(118, 154, 203)", + "prelude_ty": "rgb(118, 154, 203)", + "prelude_val": "rgb(238, 104, 104)", + "lifetime": "rgb(217, 127, 38)", + "number": "rgb(131, 163, 0)", + "string": "rgb(131, 163, 0)", + "bool_val": "rgb(238, 104, 104)", + "self": "rgb(238, 104, 104)", + "attribute": "rgb(238, 104, 104)", + "macro": "rgb(62, 153, 159)", + "question_mark": "rgb(255, 144, 17)", + "comment": "rgb(141, 141, 139)", + "doc_comment": "rgb(140, 163, 117)", +}) +call-function: ("check-colors", { + "theme": "light", + "kw": "rgb(137, 89, 168)", + "kw2": "rgb(66, 113, 174)", + "prelude_ty": "rgb(66, 113, 174)", + "prelude_val": "rgb(200, 40, 41)", + "lifetime": "rgb(183, 101, 20)", + "number": "rgb(113, 140, 0)", + "string": "rgb(113, 140, 0)", + "bool_val": "rgb(200, 40, 41)", + "self": "rgb(200, 40, 41)", + "attribute": "rgb(200, 40, 41)", + "macro": "rgb(62, 153, 159)", + "question_mark": "rgb(255, 144, 17)", + "comment": "rgb(142, 144, 140)", + "doc_comment": "rgb(77, 77, 76)", +}) diff --git a/src/test/rustdoc-gui/jump-to-def-background.goml b/src/test/rustdoc-gui/jump-to-def-background.goml index 31c7d0ce3c8..b65faf13d0c 100644 --- a/src/test/rustdoc-gui/jump-to-def-background.goml +++ b/src/test/rustdoc-gui/jump-to-def-background.goml @@ -1,43 +1,22 @@ // We check the background color on the jump to definition links in the source code page. goto: "file://" + |DOC_PATH| + "/src/link_to_definition/lib.rs.html" -// Set the theme to dark. -local-storage: { - "rustdoc-theme": "dark", - "rustdoc-preferred-dark-theme": "dark", - "rustdoc-use-system-theme": "false", -} -// We reload the page so the local storage settings are being used. -reload: - -assert-css: ( - "body.source .example-wrap pre.rust a", - {"background-color": "rgb(51, 51, 51)"}, - ALL, -) - -// Set the theme to ayu. -local-storage: { - "rustdoc-theme": "ayu", - "rustdoc-preferred-dark-theme": "ayu", - "rustdoc-use-system-theme": "false", -} -// We reload the page so the local storage settings are being used. -reload: - -assert-css: ( - "body.source .example-wrap pre.rust a", - {"background-color": "rgb(51, 51, 51)"}, - ALL, +define-function: ( + "check-background-color", + (theme, background_color), + [ + // Set the theme. + ("local-storage", { "rustdoc-theme": |theme|, "rustdoc-use-system-theme": "false" }), + // We reload the page so the local storage settings are being used. + ("reload"), + ("assert-css", ( + "body.source .example-wrap pre.rust a", + {"background-color": |background_color|}, + ALL, + )), + ], ) -// Set the theme to light. -local-storage: {"rustdoc-theme": "light", "rustdoc-use-system-theme": "false"} -// We reload the page so the local storage settings are being used. -reload: - -assert-css: ( - "body.source .example-wrap pre.rust a", - {"background-color": "rgb(238, 238, 238)"}, - ALL, -) +call-function: ("check-background-color", ("ayu", "rgb(51, 51, 51)")) +call-function: ("check-background-color", ("dark", "rgb(51, 51, 51)")) +call-function: ("check-background-color", ("light", "rgb(238, 238, 238)")) diff --git a/src/test/rustdoc-gui/settings.goml b/src/test/rustdoc-gui/settings.goml index ed4e9c2516b..f258f4d2a83 100644 --- a/src/test/rustdoc-gui/settings.goml +++ b/src/test/rustdoc-gui/settings.goml @@ -147,7 +147,7 @@ assert-css: ( ) assert-attribute-false: ("#settings", {"class": "popover"}, CONTAINS) -compare-elements-position: (".sub-container", "#settings", ("x")) +compare-elements-position: (".sub form", "#settings", ("x")) // We now check the display with JS disabled. assert-false: "noscript section" diff --git a/src/test/rustdoc-gui/sidebar-source-code-display.goml b/src/test/rustdoc-gui/sidebar-source-code-display.goml index 548fd22dcea..4155dab64eb 100644 --- a/src/test/rustdoc-gui/sidebar-source-code-display.goml +++ b/src/test/rustdoc-gui/sidebar-source-code-display.goml @@ -3,7 +3,7 @@ javascript: false goto: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html" // Since the javascript is disabled, there shouldn't be a toggle. assert-false: "#sidebar-toggle" -wait-for-css: (".sidebar > *", {"visibility": "hidden"}) +wait-for-css: (".sidebar", {"display": "none"}) // Let's retry with javascript enabled. javascript: true diff --git a/src/test/rustdoc-gui/source-code-page.goml b/src/test/rustdoc-gui/source-code-page.goml index 76260d621ea..29d65fc7ebc 100644 --- a/src/test/rustdoc-gui/source-code-page.goml +++ b/src/test/rustdoc-gui/source-code-page.goml @@ -23,7 +23,7 @@ assert-css: (".src-line-numbers", {"text-align": "right"}) show-text: true goto: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html" // We use this assert-position to know where we will click. -assert-position: ("//*[@id='1']", {"x": 104, "y": 103}) +assert-position: ("//*[@id='1']", {"x": 104, "y": 112}) // We click on the left of the "1" span but still in the "src-line-number" `<pre>`. click: (103, 103) assert-document-property: ({"URL": "/lib.rs.html"}, ENDS_WITH) @@ -47,3 +47,25 @@ assert-property: ("#source-sidebar details:first-of-type", {"open": "false"}) // Check the spacing. assert-css: ("#source-sidebar > details.dir-entry", {"padding-left": "4px"}) + +// Check the search form +assert-css: ("nav.sub", {"flex-direction": "row"}) +// The goal of this test is to ensure the search input is perfectly centered +// between the top of the page and the top of the gray code block. +// To check this, we maintain the invariant: +// +// offsetTop[nav.sub form] = offsetTop[#main-content] - offsetHeight[nav.sub form] - offsetTop[nav.sub form] +assert-property: ("nav.sub form", {"offsetTop": 28, "offsetHeight": 34}) +assert-property: ("#main-content", {"offsetTop": 90}) +// 28 = 90 - 34 - 28 + +// Now do the same check on moderately-sized mobile. +size: (700, 700) +assert-css: ("nav.sub", {"flex-direction": "row"}) +assert-property: ("nav.sub form", {"offsetTop": 21, "offsetHeight": 34}) +assert-property: ("#main-content", {"offsetTop": 76}) +// 21 = 76 - 34 - 21 + +// Tiny mobile gets a different display where the logo is stacked on top. +size: (450, 700) +assert-css: ("nav.sub", {"flex-direction": "column"}) diff --git a/src/test/rustdoc-gui/src/test_docs/lib.rs b/src/test/rustdoc-gui/src/test_docs/lib.rs index 77617e10beb..fdf97e492aa 100644 --- a/src/test/rustdoc-gui/src/test_docs/lib.rs +++ b/src/test/rustdoc-gui/src/test_docs/lib.rs @@ -317,6 +317,18 @@ pub mod details { /// <div>I'm the content of the details!</div> /// </details> pub struct Details; + + impl Details { + /// We check the appearance of the `<details>`/`<summary>` in here. + /// + /// ## Hello + /// + /// <details> + /// <summary><h4>I'm a summary</h4></summary> + /// <div>I'm the content of the details!</div> + /// </details> + pub fn method() {} + } } pub mod doc_block_table { diff --git a/src/test/rustdoc-ui/z-help.stdout b/src/test/rustdoc-ui/z-help.stdout index dbf3a8f00ee..46f11d2e5d1 100644 --- a/src/test/rustdoc-ui/z-help.stdout +++ b/src/test/rustdoc-ui/z-help.stdout @@ -36,6 +36,7 @@ -Z dump-mir-graphviz=val -- in addition to `.mir` files, create graphviz `.dot` files (and with `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived coverage graph) (default: no) -Z dump-mir-spanview=val -- in addition to `.mir` files, create `.html` files to view spans for all `statement`s (including terminators), only `terminator` spans, or computed `block` spans (one span encompassing a block's terminator and all statements). If `-Z instrument-coverage` is also enabled, create an additional `.html` file showing the computed coverage spans. -Z dwarf-version=val -- version of DWARF debug information to emit (default: 2 or 4, depending on platform) + -Z dylib-lto=val -- enables LTO for dylib crate type -Z emit-stack-sizes=val -- emit a section containing stack size metadata (default: no) -Z emit-thin-lto=val -- emit the bc module with thin LTO info (default: yes) -Z export-executable-symbols=val -- export symbols from executables, as if they were dynamic libraries diff --git a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out0.html b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out0.html new file mode 100644 index 00000000000..8934bc1ee33 --- /dev/null +++ b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out0.html @@ -0,0 +1 @@ +<h4 class="code-header">type <a href="#associatedtype.Out0" class="associatedtype">Out0</a>: <a class="trait" href="../assoc_item_trait_bounds/trait.Support.html" title="trait assoc_item_trait_bounds::Support">Support</a><Item = <a class="primitive" href="{{channel}}/std/primitive.unit.html">()</a>></h4> \ No newline at end of file diff --git a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out2.html b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out2.html new file mode 100644 index 00000000000..bf330670ed0 --- /dev/null +++ b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out2.html @@ -0,0 +1 @@ +<h4 class="code-header">type <a href="#associatedtype.Out2" class="associatedtype">Out2</a><T>: <a class="trait" href="../assoc_item_trait_bounds/trait.Support.html" title="trait assoc_item_trait_bounds::Support">Support</a><Item = T></h4> \ No newline at end of file diff --git a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.out9.html b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out9.html index 69d84e1b2c1..69d84e1b2c1 100644 --- a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.out9.html +++ b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.out9.html diff --git a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.rs b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.rs index 00976aa7442..5f4712aab5b 100644 --- a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.rs +++ b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds.rs @@ -1,13 +1,10 @@ // Regression test for issues #77763, #84579 and #102142. #![crate_name = "main"] -// aux-build:assoc_item_trait_bounds_with_bindings.rs +// aux-build:assoc_item_trait_bounds.rs // build-aux-docs // ignore-cross-compile -extern crate assoc_item_trait_bounds_with_bindings as aux; - -// FIXME(fmease): Don't render an incorrect `T: ?Sized` where-clause for parameters -// of GATs like `Main::Out{2,4}`. Add a snapshot test once it's fixed. +extern crate assoc_item_trait_bounds as aux; // @has main/trait.Main.html // @has - '//*[@id="associatedtype.Out0"]' 'type Out0: Support<Item = ()>' @@ -24,11 +21,15 @@ extern crate assoc_item_trait_bounds_with_bindings as aux; // @has - '//*[@id="associatedtype.Out11"]' "type Out11: for<'r, 's> Helper<A<'s> = &'s (), B<'r> = ()>" // @has - '//*[@id="associatedtype.Out12"]' "type Out12: for<'w> Helper<B<'w> = Cow<'w, str>, A<'w> = bool>" // @has - '//*[@id="associatedtype.Out13"]' "type Out13: for<'fst, 'snd> Aid<'snd, Result<'fst> = &'fst mut str>" +// @has - '//*[@id="associatedtype.Out14"]' "type Out14<P: Copy + Eq, Q: ?Sized>" // -// Snapshots: Check that we do not render any where-clauses for those associated types since all of -// the trait bounds contained within were moved to the bounds of the respective item. +// Snapshots: +// Check that we don't render any where-clauses for the following associated types since +// all corresponding projection equality predicates should have already been re-sugared +// to associated type bindings: // // @snapshot out0 - '//*[@id="associatedtype.Out0"]/*[@class="code-header"]' +// @snapshot out2 - '//*[@id="associatedtype.Out2"]/*[@class="code-header"]' // @snapshot out9 - '//*[@id="associatedtype.Out9"]/*[@class="code-header"]' // // @has - '//*[@id="tymethod.make"]' \ diff --git a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.out0.html b/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.out0.html deleted file mode 100644 index 927a1a42a1f..00000000000 --- a/src/test/rustdoc/inline_cross/assoc_item_trait_bounds_with_bindings.out0.html +++ /dev/null @@ -1 +0,0 @@ -<h4 class="code-header">type <a href="#associatedtype.Out0" class="associatedtype">Out0</a>: <a class="trait" href="../assoc_item_trait_bounds_with_bindings/trait.Support.html" title="trait assoc_item_trait_bounds_with_bindings::Support">Support</a><Item = <a class="primitive" href="{{channel}}/std/primitive.unit.html">()</a>></h4> \ No newline at end of file diff --git a/src/test/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds_with_bindings.rs b/src/test/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs index f451b1a0e99..d326e61daea 100644 --- a/src/test/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds_with_bindings.rs +++ b/src/test/rustdoc/inline_cross/auxiliary/assoc_item_trait_bounds.rs @@ -15,6 +15,7 @@ pub trait Main { type Out11: for<'r, 's> Helper<A<'s> = &'s (), B<'r> = ()>; type Out12: for<'w> Helper<B<'w> = std::borrow::Cow<'w, str>, A<'w> = bool>; type Out13: for<'fst, 'snd> Aid<'snd, Result<'fst> = &'fst mut str>; + type Out14<P: Copy + Eq, Q: ?Sized>; fn make<F>(_: F, _: impl FnMut(&str) -> bool) where diff --git a/src/test/rustdoc/inline_cross/auxiliary/issue-24183.rs b/src/test/rustdoc/inline_cross/auxiliary/issue-24183.rs new file mode 100644 index 00000000000..e7a13acc6f8 --- /dev/null +++ b/src/test/rustdoc/inline_cross/auxiliary/issue-24183.rs @@ -0,0 +1,14 @@ +#![crate_type = "lib"] + +pub trait U/*: ?Sized */ { + fn modified(self) -> Self + where + Self: Sized + { + self + } + + fn touch(&self)/* where Self: ?Sized */{} +} + +pub trait S: Sized {} diff --git a/src/test/rustdoc/inline_cross/issue-24183.method_no_where_self_sized.html b/src/test/rustdoc/inline_cross/issue-24183.method_no_where_self_sized.html new file mode 100644 index 00000000000..6955a961499 --- /dev/null +++ b/src/test/rustdoc/inline_cross/issue-24183.method_no_where_self_sized.html @@ -0,0 +1 @@ +<h4 class="code-header">fn <a href="#method.touch" class="fnname">touch</a>(&self)</h4> \ No newline at end of file diff --git a/src/test/rustdoc/inline_cross/issue-24183.rs b/src/test/rustdoc/inline_cross/issue-24183.rs new file mode 100644 index 00000000000..d11b6955f3c --- /dev/null +++ b/src/test/rustdoc/inline_cross/issue-24183.rs @@ -0,0 +1,18 @@ +#![crate_type = "lib"] +#![crate_name = "usr"] + +// aux-crate:issue_24183=issue-24183.rs +// edition: 2021 + +// @has usr/trait.U.html +// @has - '//*[@class="item-decl"]' "pub trait U {" +// @has - '//*[@id="method.modified"]' \ +// "fn modified(self) -> Self\ +// where \ +// Self: Sized" +// @snapshot method_no_where_self_sized - '//*[@id="method.touch"]/*[@class="code-header"]' +pub use issue_24183::U; + +// @has usr/trait.S.html +// @has - '//*[@class="item-decl"]' 'pub trait S: Sized {' +pub use issue_24183::S; diff --git a/src/test/rustdoc/not-wf-ambiguous-normalization.rs b/src/test/rustdoc/not-wf-ambiguous-normalization.rs new file mode 100644 index 00000000000..1e9f925f845 --- /dev/null +++ b/src/test/rustdoc/not-wf-ambiguous-normalization.rs @@ -0,0 +1,24 @@ +// compile-flags: -Znormalize-docs + +#![feature(type_alias_impl_trait)] + +trait Allocator { + type Buffer; +} + +struct DefaultAllocator; + +// This unconstrained impl parameter causes the normalization of +// `<DefaultAllocator as Allocator>::Buffer` to be ambiguous, +// which caused an ICE with `-Znormalize-docs`. +impl<T> Allocator for DefaultAllocator { + type Buffer = (); +} + +type A = impl Fn(<DefaultAllocator as Allocator>::Buffer); + +fn foo() -> A { + |_| () +} + +fn main() {} diff --git a/src/test/ui-fulldeps/fluent-messages/test.rs b/src/test/ui-fulldeps/fluent-messages/test.rs index 256857e52a7..4e8147e2b76 100644 --- a/src/test/ui-fulldeps/fluent-messages/test.rs +++ b/src/test/ui-fulldeps/fluent-messages/test.rs @@ -49,6 +49,7 @@ mod duplicate { use super::fluent_messages; fluent_messages! { +//~^ ERROR the name `a_b_key` is defined multiple times a => "./duplicate-a.ftl", a_b => "./duplicate-a-b.ftl", //~^ ERROR overrides existing message: `a_b_key` @@ -80,7 +81,7 @@ mod valid { valid => "./valid.ftl", } - use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, valid::key}; + use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, valid_key}; } mod missing_crate_name { @@ -93,5 +94,5 @@ mod missing_crate_name { //~| ERROR name `with-hyphens` does not start with the crate name } - use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, test_crate::{foo, with_hyphens}}; + use self::fluent_generated::{DEFAULT_LOCALE_RESOURCES, test_crate_foo, with_hyphens}; } diff --git a/src/test/ui-fulldeps/fluent-messages/test.stderr b/src/test/ui-fulldeps/fluent-messages/test.stderr index 26d87430a8f..d1cd4fe26da 100644 --- a/src/test/ui-fulldeps/fluent-messages/test.stderr +++ b/src/test/ui-fulldeps/fluent-messages/test.stderr @@ -30,19 +30,31 @@ error: expected a message field for "missing_message" | error: overrides existing message: `a_b_key` - --> $DIR/test.rs:53:16 + --> $DIR/test.rs:54:16 | LL | a_b => "./duplicate-a-b.ftl", | ^^^^^^^^^^^^^^^^^^^^^ | help: previously defined in this resource - --> $DIR/test.rs:52:14 + --> $DIR/test.rs:53:14 | LL | a => "./duplicate-a.ftl", | ^^^^^^^^^^^^^^^^^^^ +error[E0428]: the name `a_b_key` is defined multiple times + --> $DIR/test.rs:51:5 + | +LL | fluent_messages! { + | ^^^^^^^^^^^^^^^^ + | | + | `a_b_key` redefined here + | previous definition of the value `a_b_key` here + | + = note: os-specific message + = note: os-specific message + error: name `slug_with_hyphens_this-slug-has-hyphens` contains a '-' character - --> $DIR/test.rs:62:30 + --> $DIR/test.rs:63:30 | LL | slug_with_hyphens => "./slug-with-hyphens.ftl", | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -50,7 +62,7 @@ LL | slug_with_hyphens => "./slug-with-hyphens.ftl", = help: replace any '-'s with '_'s error: attribute `label-has-hyphens` contains a '-' character - --> $DIR/test.rs:71:31 + --> $DIR/test.rs:72:31 | LL | label_with_hyphens => "./label-with-hyphens.ftl", | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -58,7 +70,7 @@ LL | label_with_hyphens => "./label-with-hyphens.ftl", = help: replace any '-'s with '_'s error: name `with-hyphens` contains a '-' character - --> $DIR/test.rs:90:23 + --> $DIR/test.rs:91:23 | LL | test_crate => "./missing-crate-name.ftl", | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -66,7 +78,7 @@ LL | test_crate => "./missing-crate-name.ftl", = help: replace any '-'s with '_'s error: name `with-hyphens` does not start with the crate name - --> $DIR/test.rs:90:23 + --> $DIR/test.rs:91:23 | LL | test_crate => "./missing-crate-name.ftl", | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -74,12 +86,13 @@ LL | test_crate => "./missing-crate-name.ftl", = help: prepend `test_crate_` to the slug name: `test_crate_with_hyphens` error: name `test-crate_foo` contains a '-' character - --> $DIR/test.rs:90:23 + --> $DIR/test.rs:91:23 | LL | test_crate => "./missing-crate-name.ftl", | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: replace any '-'s with '_'s -error: aborting due to 9 previous errors +error: aborting due to 10 previous errors +For more information about this error, try `rustc --explain E0428`. diff --git a/src/test/ui-fulldeps/internal-lints/diagnostics.rs b/src/test/ui-fulldeps/internal-lints/diagnostics.rs index 462f5e78498..643e81d99c6 100644 --- a/src/test/ui-fulldeps/internal-lints/diagnostics.rs +++ b/src/test/ui-fulldeps/internal-lints/diagnostics.rs @@ -19,14 +19,14 @@ use rustc_macros::{Diagnostic, Subdiagnostic}; use rustc_span::Span; #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct DeriveDiagnostic { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[note(compiletest::example)] +#[note(compiletest_example)] struct Note { #[primary_span] span: Span, @@ -45,7 +45,7 @@ pub struct TranslatableInIntoDiagnostic; impl<'a> IntoDiagnostic<'a, ErrorGuaranteed> for TranslatableInIntoDiagnostic { fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> { - handler.struct_err(fluent::compiletest::example) + handler.struct_err(fluent::compiletest_example) } } @@ -68,12 +68,12 @@ impl AddToDiagnostic for TranslatableInAddToDiagnostic { where F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage, { - diag.note(fluent::compiletest::note); + diag.note(fluent::note); } } pub fn make_diagnostics<'a>(handler: &'a Handler) { - let _diag = handler.struct_err(fluent::compiletest::example); + let _diag = handler.struct_err(fluent::compiletest_example); //~^ ERROR diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls let _diag = handler.struct_err("untranslatable diagnostic"); diff --git a/src/test/ui-fulldeps/internal-lints/diagnostics.stderr b/src/test/ui-fulldeps/internal-lints/diagnostics.stderr index ac820a79db2..510d6a17108 100644 --- a/src/test/ui-fulldeps/internal-lints/diagnostics.stderr +++ b/src/test/ui-fulldeps/internal-lints/diagnostics.stderr @@ -19,7 +19,7 @@ LL | diag.note("untranslatable diagnostic"); error: diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls --> $DIR/diagnostics.rs:76:25 | -LL | let _diag = handler.struct_err(fluent::compiletest::example); +LL | let _diag = handler.struct_err(fluent::compiletest_example); | ^^^^^^^^^^ | note: the lint level is defined here diff --git a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs index e873c36e0b3..46164d573b0 100644 --- a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs +++ b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.rs @@ -28,15 +28,15 @@ use rustc_errors::{Applicability, MultiSpan}; extern crate rustc_session; #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct Hello {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct HelloWarn {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] //~^ ERROR unsupported type attribute for diagnostic derive enum enum DiagnosticOnEnum { Foo, @@ -46,13 +46,13 @@ enum DiagnosticOnEnum { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] #[diag = "E0123"] //~^ ERROR `#[diag = ...]` is not a valid attribute struct WrongStructAttrStyle {} #[derive(Diagnostic)] -#[nonsense(compiletest::example, code = "E0123")] +#[nonsense(compiletest_example, code = "E0123")] //~^ ERROR `#[nonsense(...)]` is not a valid attribute //~^^ ERROR diagnostic slug not specified //~^^^ ERROR cannot find attribute `nonsense` in this scope @@ -90,12 +90,12 @@ struct InvalidNestedStructAttr2 {} struct InvalidNestedStructAttr3 {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123", slug = "foo")] +#[diag(compiletest_example, code = "E0123", slug = "foo")] //~^ ERROR `#[diag(slug = ...)]` is not a valid attribute struct InvalidNestedStructAttr4 {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct WrongPlaceField { #[suggestion = "bar"] //~^ ERROR `#[suggestion = ...]` is not a valid attribute @@ -103,20 +103,20 @@ struct WrongPlaceField { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] -#[diag(compiletest::example, code = "E0456")] +#[diag(compiletest_example, code = "E0123")] +#[diag(compiletest_example, code = "E0456")] //~^ ERROR specified multiple times //~^^ ERROR specified multiple times struct DiagSpecifiedTwice {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0456", code = "E0457")] +#[diag(compiletest_example, code = "E0456", code = "E0457")] //~^ ERROR specified multiple times struct CodeSpecifiedTwice {} #[derive(Diagnostic)] -#[diag(compiletest::example, compiletest::example, code = "E0456")] -//~^ ERROR `#[diag(compiletest::example)]` is not a valid attribute +#[diag(compiletest_example, compiletest_example, code = "E0456")] +//~^ ERROR `#[diag(compiletest_example)]` is not a valid attribute struct SlugSpecifiedTwice {} #[derive(Diagnostic)] @@ -128,11 +128,11 @@ struct KindNotProvided {} //~ ERROR diagnostic slug not specified struct SlugNotProvided {} #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct CodeNotProvided {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct MessageWrongType { #[primary_span] //~^ ERROR `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan` @@ -140,7 +140,7 @@ struct MessageWrongType { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct InvalidPathFieldAttr { #[nonsense] //~^ ERROR `#[nonsense]` is not a valid attribute @@ -149,34 +149,34 @@ struct InvalidPathFieldAttr { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithField { name: String, - #[label(compiletest::label)] + #[label(label)] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithMessageAppliedToField { - #[label(compiletest::label)] + #[label(label)] //~^ ERROR the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` name: String, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithNonexistentField { - #[suggestion(compiletest::suggestion, code = "{name}")] + #[suggestion(suggestion, code = "{name}")] //~^ ERROR `name` doesn't refer to a field on this type suggestion: (Span, Applicability), } #[derive(Diagnostic)] //~^ ERROR invalid format string: expected `'}'` -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorMissingClosingBrace { - #[suggestion(compiletest::suggestion, code = "{name")] + #[suggestion(suggestion, code = "{name")] suggestion: (Span, Applicability), name: String, val: usize, @@ -184,49 +184,49 @@ struct ErrorMissingClosingBrace { #[derive(Diagnostic)] //~^ ERROR invalid format string: unmatched `}` -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorMissingOpeningBrace { - #[suggestion(compiletest::suggestion, code = "name}")] + #[suggestion(suggestion, code = "name}")] suggestion: (Span, Applicability), name: String, val: usize, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct LabelOnSpan { - #[label(compiletest::label)] + #[label(label)] sp: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct LabelOnNonSpan { - #[label(compiletest::label)] + #[label(label)] //~^ ERROR the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` id: u32, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct Suggest { - #[suggestion(compiletest::suggestion, code = "This is the suggested code")] - #[suggestion_short(compiletest::suggestion, code = "This is the suggested code")] - #[suggestion_hidden(compiletest::suggestion, code = "This is the suggested code")] - #[suggestion_verbose(compiletest::suggestion, code = "This is the suggested code")] + #[suggestion(suggestion, code = "This is the suggested code")] + #[suggestion_short(suggestion, code = "This is the suggested code")] + #[suggestion_hidden(suggestion, code = "This is the suggested code")] + #[suggestion_verbose(suggestion, code = "This is the suggested code")] suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithoutCode { - #[suggestion(compiletest::suggestion)] + #[suggestion(suggestion)] //~^ ERROR suggestion without `code = "..."` suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithBadKey { #[suggestion(nonsense = "bar")] //~^ ERROR `#[suggestion(nonsense = ...)]` is not a valid attribute @@ -235,7 +235,7 @@ struct SuggestWithBadKey { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithShorthandMsg { #[suggestion(msg = "bar")] //~^ ERROR `#[suggestion(msg = ...)]` is not a valid attribute @@ -244,52 +244,52 @@ struct SuggestWithShorthandMsg { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithoutMsg { #[suggestion(code = "bar")] suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithTypesSwapped { - #[suggestion(compiletest::suggestion, code = "This is suggested code")] + #[suggestion(suggestion, code = "This is suggested code")] suggestion: (Applicability, Span), } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithWrongTypeApplicabilityOnly { - #[suggestion(compiletest::suggestion, code = "This is suggested code")] + #[suggestion(suggestion, code = "This is suggested code")] //~^ ERROR wrong field type for suggestion suggestion: Applicability, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithSpanOnly { - #[suggestion(compiletest::suggestion, code = "This is suggested code")] + #[suggestion(suggestion, code = "This is suggested code")] suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithDuplicateSpanAndApplicability { - #[suggestion(compiletest::suggestion, code = "This is suggested code")] + #[suggestion(suggestion, code = "This is suggested code")] suggestion: (Span, Span, Applicability), //~^ ERROR specified multiple times } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct SuggestWithDuplicateApplicabilityAndSpan { - #[suggestion(compiletest::suggestion, code = "This is suggested code")] + #[suggestion(suggestion, code = "This is suggested code")] suggestion: (Applicability, Applicability, Span), //~^ ERROR specified multiple times } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct WrongKindOfAnnotation { #[label = "bar"] //~^ ERROR `#[label = ...]` is not a valid attribute @@ -297,38 +297,38 @@ struct WrongKindOfAnnotation { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct OptionsInErrors { - #[label(compiletest::label)] + #[label(label)] label: Option<Span>, - #[suggestion(compiletest::suggestion, code = "...")] + #[suggestion(suggestion, code = "...")] opt_sugg: Option<(Span, Applicability)>, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0456")] +#[diag(compiletest_example, code = "E0456")] struct MoveOutOfBorrowError<'tcx> { name: Ident, ty: Ty<'tcx>, #[primary_span] - #[label(compiletest::label)] + #[label(label)] span: Span, - #[label(compiletest::label)] + #[label(label)] other_span: Span, - #[suggestion(compiletest::suggestion, code = "{name}.clone()")] + #[suggestion(suggestion, code = "{name}.clone()")] opt_sugg: Option<(Span, Applicability)>, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithLifetime<'a> { - #[label(compiletest::label)] + #[label(label)] span: Span, name: &'a str, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithDefaultLabelAttr<'a> { #[label] span: Span, @@ -337,7 +337,7 @@ struct ErrorWithDefaultLabelAttr<'a> { #[derive(Diagnostic)] //~^ ERROR the trait bound `Hello: IntoDiagnosticArg` is not satisfied -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ArgFieldWithoutSkip { #[primary_span] span: Span, @@ -345,7 +345,7 @@ struct ArgFieldWithoutSkip { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ArgFieldWithSkip { #[primary_span] span: Span, @@ -356,132 +356,132 @@ struct ArgFieldWithSkip { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithSpannedNote { #[note] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithSpannedNoteCustom { - #[note(compiletest::note)] + #[note(note)] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] #[note] struct ErrorWithNote { val: String, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] -#[note(compiletest::note)] +#[diag(compiletest_example, code = "E0123")] +#[note(note)] struct ErrorWithNoteCustom { val: String, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithSpannedHelp { #[help] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithSpannedHelpCustom { - #[help(compiletest::help)] + #[help(help)] span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] #[help] struct ErrorWithHelp { val: String, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] -#[help(compiletest::help)] +#[diag(compiletest_example, code = "E0123")] +#[help(help)] struct ErrorWithHelpCustom { val: String, } #[derive(Diagnostic)] #[help] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithHelpWrongOrder { val: String, } #[derive(Diagnostic)] -#[help(compiletest::help)] -#[diag(compiletest::example, code = "E0123")] +#[help(help)] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithHelpCustomWrongOrder { val: String, } #[derive(Diagnostic)] #[note] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithNoteWrongOrder { val: String, } #[derive(Diagnostic)] -#[note(compiletest::note)] -#[diag(compiletest::example, code = "E0123")] +#[note(note)] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithNoteCustomWrongOrder { val: String, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ApplicabilityInBoth { - #[suggestion(compiletest::suggestion, code = "...", applicability = "maybe-incorrect")] + #[suggestion(suggestion, code = "...", applicability = "maybe-incorrect")] //~^ ERROR specified multiple times suggestion: (Span, Applicability), } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct InvalidApplicability { - #[suggestion(compiletest::suggestion, code = "...", applicability = "batman")] + #[suggestion(suggestion, code = "...", applicability = "batman")] //~^ ERROR invalid applicability suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ValidApplicability { - #[suggestion(compiletest::suggestion, code = "...", applicability = "maybe-incorrect")] + #[suggestion(suggestion, code = "...", applicability = "maybe-incorrect")] suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct NoApplicability { - #[suggestion(compiletest::suggestion, code = "...")] + #[suggestion(suggestion, code = "...")] suggestion: Span, } #[derive(Subdiagnostic)] -#[note(parser::add_paren)] +#[note(parser_add_paren)] struct Note; #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct Subdiagnostic { #[subdiagnostic] note: Note, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct VecField { #[primary_span] #[label] @@ -489,58 +489,58 @@ struct VecField { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct UnitField { #[primary_span] spans: Span, #[help] foo: (), - #[help(compiletest::help)] + #[help(help)] bar: (), } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct OptUnitField { #[primary_span] spans: Span, #[help] foo: Option<()>, - #[help(compiletest::help)] + #[help(help)] bar: Option<()>, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct LabelWithTrailingPath { - #[label(compiletest::label, foo)] + #[label(label, foo)] //~^ ERROR `#[label(foo)]` is not a valid attribute span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct LabelWithTrailingNameValue { - #[label(compiletest::label, foo = "...")] + #[label(label, foo = "...")] //~^ ERROR `#[label(foo = ...)]` is not a valid attribute span: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct LabelWithTrailingList { - #[label(compiletest::label, foo("..."))] + #[label(label, foo("..."))] //~^ ERROR `#[label(foo(...))]` is not a valid attribute span: Span, } #[derive(LintDiagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct LintsGood { } #[derive(LintDiagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct PrimarySpanOnLint { #[primary_span] //~^ ERROR `#[primary_span]` is not a valid attribute @@ -548,42 +548,42 @@ struct PrimarySpanOnLint { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct ErrorWithMultiSpan { #[primary_span] span: MultiSpan, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] #[warning] struct ErrorWithWarn { val: String, } #[derive(Diagnostic)] -#[error(compiletest::example, code = "E0123")] +#[error(compiletest_example, code = "E0123")] //~^ ERROR `#[error(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `error` in this scope struct ErrorAttribute {} #[derive(Diagnostic)] -#[warn_(compiletest::example, code = "E0123")] +#[warn_(compiletest_example, code = "E0123")] //~^ ERROR `#[warn_(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `warn_` in this scope struct WarnAttribute {} #[derive(Diagnostic)] -#[lint(compiletest::example, code = "E0123")] +#[lint(compiletest_example, code = "E0123")] //~^ ERROR `#[lint(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified //~| ERROR cannot find attribute `lint` in this scope struct LintAttributeOnSessionDiag {} #[derive(LintDiagnostic)] -#[lint(compiletest::example, code = "E0123")] +#[lint(compiletest_example, code = "E0123")] //~^ ERROR `#[lint(...)]` is not a valid attribute //~| ERROR `#[lint(...)]` is not a valid attribute //~| ERROR diagnostic slug not specified @@ -591,55 +591,55 @@ struct LintAttributeOnSessionDiag {} struct LintAttributeOnLintDiag {} #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct DuplicatedSuggestionCode { - #[suggestion(compiletest::suggestion, code = "...", code = ",,,")] + #[suggestion(suggestion, code = "...", code = ",,,")] //~^ ERROR specified multiple times suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct InvalidTypeInSuggestionTuple { - #[suggestion(compiletest::suggestion, code = "...")] + #[suggestion(suggestion, code = "...")] suggestion: (Span, usize), //~^ ERROR wrong types for suggestion } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct MissingApplicabilityInSuggestionTuple { - #[suggestion(compiletest::suggestion, code = "...")] + #[suggestion(suggestion, code = "...")] suggestion: (Span,), //~^ ERROR wrong types for suggestion } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct MissingCodeInSuggestion { - #[suggestion(compiletest::suggestion)] + #[suggestion(suggestion)] //~^ ERROR suggestion without `code = "..."` suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] -#[multipart_suggestion(compiletest::suggestion)] +#[diag(compiletest_example, code = "E0123")] +#[multipart_suggestion(suggestion)] //~^ ERROR `#[multipart_suggestion(...)]` is not a valid attribute //~| ERROR cannot find attribute `multipart_suggestion` in this scope #[multipart_suggestion()] //~^ ERROR `#[multipart_suggestion(...)]` is not a valid attribute //~| ERROR cannot find attribute `multipart_suggestion` in this scope struct MultipartSuggestion { - #[multipart_suggestion(compiletest::suggestion)] + #[multipart_suggestion(suggestion)] //~^ ERROR `#[multipart_suggestion(...)]` is not a valid attribute //~| ERROR cannot find attribute `multipart_suggestion` in this scope suggestion: Span, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] -#[suggestion(compiletest::suggestion, code = "...")] +#[diag(compiletest_example, code = "E0123")] +#[suggestion(suggestion, code = "...")] //~^ ERROR `#[suggestion(...)]` is not a valid attribute struct SuggestionOnStruct { #[primary_span] @@ -647,7 +647,7 @@ struct SuggestionOnStruct { } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] #[label] //~^ ERROR `#[label]` is not a valid attribute struct LabelOnStruct { @@ -657,30 +657,30 @@ struct LabelOnStruct { #[derive(Diagnostic)] enum ExampleEnum { - #[diag(compiletest::example)] + #[diag(compiletest_example)] Foo { #[primary_span] sp: Span, #[note] note_sp: Span, }, - #[diag(compiletest::example)] + #[diag(compiletest_example)] Bar { #[primary_span] sp: Span, }, - #[diag(compiletest::example)] + #[diag(compiletest_example)] Baz, } #[derive(Diagnostic)] -#[diag(compiletest::example, code = "E0123")] +#[diag(compiletest_example, code = "E0123")] struct RawIdentDiagnosticArg { pub r#type: String, } #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticBad { #[subdiagnostic(bad)] //~^ ERROR `#[subdiagnostic(bad)]` is not a valid attribute @@ -688,7 +688,7 @@ struct SubdiagnosticBad { } #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticBadStr { #[subdiagnostic = "bad"] //~^ ERROR `#[subdiagnostic = ...]` is not a valid attribute @@ -696,7 +696,7 @@ struct SubdiagnosticBadStr { } #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticBadTwice { #[subdiagnostic(bad, bad)] //~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute @@ -704,7 +704,7 @@ struct SubdiagnosticBadTwice { } #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticBadLitStr { #[subdiagnostic("bad")] //~^ ERROR `#[subdiagnostic("...")]` is not a valid attribute @@ -712,7 +712,7 @@ struct SubdiagnosticBadLitStr { } #[derive(LintDiagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticEagerLint { #[subdiagnostic(eager)] //~^ ERROR `#[subdiagnostic(...)]` is not a valid attribute @@ -720,7 +720,7 @@ struct SubdiagnosticEagerLint { } #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticEagerCorrect { #[subdiagnostic(eager)] note: Note, @@ -732,7 +732,7 @@ struct SubdiagnosticEagerCorrect { #[derive(Subdiagnostic)] #[suggestion_short( - parser::use_instead, + use_instead, applicability = "machine-applicable", code = "{correct}" )] @@ -744,8 +744,17 @@ pub(crate) struct SubdiagnosticWithSuggestion { } #[derive(Diagnostic)] -#[diag(compiletest::example)] +#[diag(compiletest_example)] struct SubdiagnosticEagerSuggestion { #[subdiagnostic(eager)] sub: SubdiagnosticWithSuggestion, } + +/// with a doc comment on the type.. +#[derive(Diagnostic)] +#[diag(compiletest_example, code = "E0123")] +struct WithDocComment { + /// ..and the field + #[primary_span] + span: Span, +} diff --git a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr index 7a42d618707..0a1c4bddb06 100644 --- a/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr +++ b/src/test/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr @@ -1,8 +1,8 @@ error: unsupported type attribute for diagnostic derive enum --> $DIR/diagnostic-derive.rs:39:1 | -LL | #[diag(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[diag(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:42:5 @@ -10,7 +10,7 @@ error: diagnostic slug not specified LL | Foo, | ^^^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:44:5 @@ -18,7 +18,7 @@ error: diagnostic slug not specified LL | Bar, | ^^^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag = ...]` is not a valid attribute --> $DIR/diagnostic-derive.rs:50:1 @@ -29,20 +29,20 @@ LL | #[diag = "E0123"] error: `#[nonsense(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:55:1 | -LL | #[nonsense(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[nonsense(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:55:1 | -LL | / #[nonsense(compiletest::example, code = "E0123")] +LL | / #[nonsense(compiletest_example, code = "E0123")] LL | | LL | | LL | | LL | | struct InvalidStructAttr {} | |___________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag("...")]` is not a valid attribute --> $DIR/diagnostic-derive.rs:62:8 @@ -61,7 +61,7 @@ LL | | LL | | struct InvalidLitNestedAttr {} | |______________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(nonsense(...))]` is not a valid attribute --> $DIR/diagnostic-derive.rs:73:8 @@ -80,7 +80,7 @@ LL | | LL | | struct InvalidNestedStructAttr1 {} | |__________________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(nonsense = ...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:79:8 @@ -108,7 +108,7 @@ LL | | LL | | struct InvalidNestedStructAttr2 {} | |__________________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(nonsense = ...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:86:8 @@ -134,13 +134,13 @@ LL | | LL | | struct InvalidNestedStructAttr3 {} | |__________________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[diag(slug = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:93:46 + --> $DIR/diagnostic-derive.rs:93:45 | -LL | #[diag(compiletest::example, code = "E0123", slug = "foo")] - | ^^^^^^^^^^^^ +LL | #[diag(compiletest_example, code = "E0123", slug = "foo")] + | ^^^^^^^^^^^^ | = help: only `code` is a valid nested attributes following the slug @@ -153,44 +153,44 @@ LL | #[suggestion = "bar"] error: specified multiple times --> $DIR/diagnostic-derive.rs:107:8 | -LL | #[diag(compiletest::example, code = "E0456")] - | ^^^^^^^^^^^^^^^^^^^^ +LL | #[diag(compiletest_example, code = "E0456")] + | ^^^^^^^^^^^^^^^^^^^ | note: previously specified here --> $DIR/diagnostic-derive.rs:106:8 | -LL | #[diag(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^ +LL | #[diag(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:107:37 + --> $DIR/diagnostic-derive.rs:107:36 | -LL | #[diag(compiletest::example, code = "E0456")] - | ^^^^^^^ +LL | #[diag(compiletest_example, code = "E0456")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:106:37 + --> $DIR/diagnostic-derive.rs:106:36 | -LL | #[diag(compiletest::example, code = "E0123")] - | ^^^^^^^ +LL | #[diag(compiletest_example, code = "E0123")] + | ^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:113:53 + --> $DIR/diagnostic-derive.rs:113:52 | -LL | #[diag(compiletest::example, code = "E0456", code = "E0457")] - | ^^^^^^^ +LL | #[diag(compiletest_example, code = "E0456", code = "E0457")] + | ^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:113:37 + --> $DIR/diagnostic-derive.rs:113:36 | -LL | #[diag(compiletest::example, code = "E0456", code = "E0457")] - | ^^^^^^^ +LL | #[diag(compiletest_example, code = "E0456", code = "E0457")] + | ^^^^^^^ -error: `#[diag(compiletest::example)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:118:30 +error: `#[diag(compiletest_example)]` is not a valid attribute + --> $DIR/diagnostic-derive.rs:118:29 | -LL | #[diag(compiletest::example, compiletest::example, code = "E0456")] - | ^^^^^^^^^^^^^^^^^^^^ +LL | #[diag(compiletest_example, compiletest_example, code = "E0456")] + | ^^^^^^^^^^^^^^^^^^^ | = help: diagnostic slug must be the first argument @@ -200,7 +200,7 @@ error: diagnostic slug not specified LL | struct KindNotProvided {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:126:1 @@ -210,7 +210,7 @@ LL | | LL | | struct SlugNotProvided {} | |_________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: the `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan` --> $DIR/diagnostic-derive.rs:137:5 @@ -227,14 +227,14 @@ LL | #[nonsense] error: the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` --> $DIR/diagnostic-derive.rs:162:5 | -LL | #[label(compiletest::label)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(label)] + | ^^^^^^^^^^^^^^^ error: `name` doesn't refer to a field on this type - --> $DIR/diagnostic-derive.rs:170:50 + --> $DIR/diagnostic-derive.rs:170:37 | -LL | #[suggestion(compiletest::suggestion, code = "{name}")] - | ^^^^^^^^ +LL | #[suggestion(suggestion, code = "{name}")] + | ^^^^^^^^ error: invalid format string: expected `'}'` but string was terminated --> $DIR/diagnostic-derive.rs:175:10 @@ -257,14 +257,14 @@ LL | #[derive(Diagnostic)] error: the `#[label(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` --> $DIR/diagnostic-derive.rs:205:5 | -LL | #[label(compiletest::label)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(label)] + | ^^^^^^^^^^^^^^^ error: suggestion without `code = "..."` --> $DIR/diagnostic-derive.rs:223:5 | -LL | #[suggestion(compiletest::suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[suggestion(nonsense = ...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:231:18 @@ -297,7 +297,7 @@ LL | #[suggestion(msg = "bar")] error: wrong field type for suggestion --> $DIR/diagnostic-derive.rs:263:5 | -LL | / #[suggestion(compiletest::suggestion, code = "This is suggested code")] +LL | / #[suggestion(suggestion, code = "This is suggested code")] LL | | LL | | suggestion: Applicability, | |_____________________________^ @@ -335,10 +335,10 @@ LL | #[label = "bar"] | ^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/diagnostic-derive.rs:445:57 + --> $DIR/diagnostic-derive.rs:445:44 | -LL | #[suggestion(compiletest::suggestion, code = "...", applicability = "maybe-incorrect")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(suggestion, code = "...", applicability = "maybe-incorrect")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: previously specified here --> $DIR/diagnostic-derive.rs:447:24 @@ -347,30 +347,30 @@ LL | suggestion: (Span, Applicability), | ^^^^^^^^^^^^^ error: invalid applicability - --> $DIR/diagnostic-derive.rs:453:57 + --> $DIR/diagnostic-derive.rs:453:44 | -LL | #[suggestion(compiletest::suggestion, code = "...", applicability = "batman")] - | ^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(suggestion, code = "...", applicability = "batman")] + | ^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[label(foo)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:516:33 + --> $DIR/diagnostic-derive.rs:516:20 | -LL | #[label(compiletest::label, foo)] - | ^^^ +LL | #[label(label, foo)] + | ^^^ | = help: a diagnostic slug must be the first argument to the attribute error: `#[label(foo = ...)]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:524:33 + --> $DIR/diagnostic-derive.rs:524:20 | -LL | #[label(compiletest::label, foo = "...")] - | ^^^^^^^^^^^ +LL | #[label(label, foo = "...")] + | ^^^^^^^^^^^ error: `#[label(foo(...))]` is not a valid attribute - --> $DIR/diagnostic-derive.rs:532:33 + --> $DIR/diagnostic-derive.rs:532:20 | -LL | #[label(compiletest::label, foo("..."))] - | ^^^^^^^^^^ +LL | #[label(label, foo("..."))] + | ^^^^^^^^^^ error: `#[primary_span]` is not a valid attribute --> $DIR/diagnostic-derive.rs:545:5 @@ -383,73 +383,73 @@ LL | #[primary_span] error: `#[error(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:565:1 | -LL | #[error(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[error(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:565:1 | -LL | / #[error(compiletest::example, code = "E0123")] +LL | / #[error(compiletest_example, code = "E0123")] LL | | LL | | LL | | LL | | struct ErrorAttribute {} | |________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[warn_(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:572:1 | -LL | #[warn_(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[warn_(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:572:1 | -LL | / #[warn_(compiletest::example, code = "E0123")] +LL | / #[warn_(compiletest_example, code = "E0123")] LL | | LL | | LL | | LL | | struct WarnAttribute {} | |_______________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[lint(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:579:1 | -LL | #[lint(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[lint(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:579:1 | -LL | / #[lint(compiletest::example, code = "E0123")] +LL | / #[lint(compiletest_example, code = "E0123")] LL | | LL | | LL | | LL | | struct LintAttributeOnSessionDiag {} | |____________________________________^ | - = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis::example_error)]` + = help: specify the slug as the first argument to the `#[diag(...)]` attribute, such as `#[diag(hir_analysis_example_error)]` error: `#[lint(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:586:1 | -LL | #[lint(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[lint(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[lint(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:586:1 | -LL | #[lint(compiletest::example, code = "E0123")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[lint(compiletest_example, code = "E0123")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: diagnostic slug not specified --> $DIR/diagnostic-derive.rs:586:1 | -LL | / #[lint(compiletest::example, code = "E0123")] +LL | / #[lint(compiletest_example, code = "E0123")] LL | | LL | | LL | | @@ -457,19 +457,19 @@ LL | | LL | | struct LintAttributeOnLintDiag {} | |_________________________________^ | - = help: specify the slug as the first argument to the attribute, such as `#[diag(compiletest::example)]` + = help: specify the slug as the first argument to the attribute, such as `#[diag(compiletest_example)]` error: specified multiple times - --> $DIR/diagnostic-derive.rs:596:57 + --> $DIR/diagnostic-derive.rs:596:44 | -LL | #[suggestion(compiletest::suggestion, code = "...", code = ",,,")] - | ^^^^^^^^^^^^ +LL | #[suggestion(suggestion, code = "...", code = ",,,")] + | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/diagnostic-derive.rs:596:43 + --> $DIR/diagnostic-derive.rs:596:30 | -LL | #[suggestion(compiletest::suggestion, code = "...", code = ",,,")] - | ^^^^^^^^^^^^ +LL | #[suggestion(suggestion, code = "...", code = ",,,")] + | ^^^^^^^^^^^^ error: wrong types for suggestion --> $DIR/diagnostic-derive.rs:605:24 @@ -490,14 +490,14 @@ LL | suggestion: (Span,), error: suggestion without `code = "..."` --> $DIR/diagnostic-derive.rs:620:5 | -LL | #[suggestion(compiletest::suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: `#[multipart_suggestion(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:627:1 | -LL | #[multipart_suggestion(compiletest::suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[multipart_suggestion(suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider creating a `Subdiagnostic` instead @@ -512,16 +512,16 @@ LL | #[multipart_suggestion()] error: `#[multipart_suggestion(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:634:5 | -LL | #[multipart_suggestion(compiletest::suggestion)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[multipart_suggestion(suggestion)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: consider creating a `Subdiagnostic` instead error: `#[suggestion(...)]` is not a valid attribute --> $DIR/diagnostic-derive.rs:642:1 | -LL | #[suggestion(compiletest::suggestion, code = "...")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(suggestion, code = "...")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: `#[label]` and `#[suggestion]` can only be applied to fields @@ -576,7 +576,7 @@ LL | #[subdiagnostic(eager)] error: cannot find attribute `nonsense` in this scope --> $DIR/diagnostic-derive.rs:55:3 | -LL | #[nonsense(compiletest::example, code = "E0123")] +LL | #[nonsense(compiletest_example, code = "E0123")] | ^^^^^^^^ error: cannot find attribute `nonsense` in this scope @@ -588,31 +588,31 @@ LL | #[nonsense] error: cannot find attribute `error` in this scope --> $DIR/diagnostic-derive.rs:565:3 | -LL | #[error(compiletest::example, code = "E0123")] +LL | #[error(compiletest_example, code = "E0123")] | ^^^^^ error: cannot find attribute `warn_` in this scope --> $DIR/diagnostic-derive.rs:572:3 | -LL | #[warn_(compiletest::example, code = "E0123")] +LL | #[warn_(compiletest_example, code = "E0123")] | ^^^^^ help: a built-in attribute with a similar name exists: `warn` error: cannot find attribute `lint` in this scope --> $DIR/diagnostic-derive.rs:579:3 | -LL | #[lint(compiletest::example, code = "E0123")] +LL | #[lint(compiletest_example, code = "E0123")] | ^^^^ help: a built-in attribute with a similar name exists: `link` error: cannot find attribute `lint` in this scope --> $DIR/diagnostic-derive.rs:586:3 | -LL | #[lint(compiletest::example, code = "E0123")] +LL | #[lint(compiletest_example, code = "E0123")] | ^^^^ help: a built-in attribute with a similar name exists: `link` error: cannot find attribute `multipart_suggestion` in this scope --> $DIR/diagnostic-derive.rs:627:3 | -LL | #[multipart_suggestion(compiletest::suggestion)] +LL | #[multipart_suggestion(suggestion)] | ^^^^^^^^^^^^^^^^^^^^ error: cannot find attribute `multipart_suggestion` in this scope @@ -624,7 +624,7 @@ LL | #[multipart_suggestion()] error: cannot find attribute `multipart_suggestion` in this scope --> $DIR/diagnostic-derive.rs:634:7 | -LL | #[multipart_suggestion(compiletest::suggestion)] +LL | #[multipart_suggestion(suggestion)] | ^^^^^^^^^^^^^^^^^^^^ error[E0425]: cannot find value `nonsense` in module `rustc_errors::fluent` diff --git a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs index 84ee5af42de..9088ca6ce46 100644 --- a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs +++ b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.rs @@ -20,7 +20,7 @@ use rustc_span::Span; use rustc_macros::Subdiagnostic; #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct A { #[primary_span] span: Span, @@ -29,13 +29,13 @@ struct A { #[derive(Subdiagnostic)] enum B { - #[label(parser::add_paren)] + #[label(parser_add_paren)] A { #[primary_span] span: Span, var: String, }, - #[label(parser::add_paren)] + #[label(parser_add_paren)] B { #[primary_span] span: Span, @@ -44,7 +44,7 @@ enum B { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] //~^ ERROR label without `#[primary_span]` field struct C { var: String, @@ -138,7 +138,7 @@ struct M { } #[derive(Subdiagnostic)] -#[label(parser::add_paren, code = "...")] +#[label(parser_add_paren, code = "...")] //~^ ERROR `#[label(code = ...)]` is not a valid attribute struct N { #[primary_span] @@ -147,7 +147,7 @@ struct N { } #[derive(Subdiagnostic)] -#[label(parser::add_paren, applicability = "machine-applicable")] +#[label(parser_add_paren, applicability = "machine-applicable")] //~^ ERROR `#[label(applicability = ...)]` is not a valid attribute struct O { #[primary_span] @@ -160,7 +160,7 @@ struct O { //~^ ERROR cannot find attribute `foo` in this scope //~^^ ERROR unsupported type attribute for subdiagnostic enum enum P { - #[label(parser::add_paren)] + #[label(parser_add_paren)] A { #[primary_span] span: Span, @@ -230,14 +230,13 @@ enum U { #[derive(Subdiagnostic)] enum V { - #[label(parser::add_paren)] + #[label(parser_add_paren)] A { #[primary_span] span: Span, var: String, }, B { - //~^ ERROR subdiagnostic kind not specified #[primary_span] span: Span, var: String, @@ -245,7 +244,7 @@ enum V { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] //~^ ERROR label without `#[primary_span]` field struct W { #[primary_span] @@ -254,7 +253,7 @@ struct W { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct X { #[primary_span] span: Span, @@ -264,7 +263,7 @@ struct X { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct Y { #[primary_span] span: Span, @@ -275,7 +274,7 @@ struct Y { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct Z { #[primary_span] span: Span, @@ -286,7 +285,7 @@ struct Z { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct AA { #[primary_span] span: Span, @@ -297,7 +296,7 @@ struct AA { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct AB { #[primary_span] span: Span, @@ -313,23 +312,23 @@ union AC { } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] +#[label(parser_add_paren)] struct AD { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[label(parser::add_paren, parser::add_paren)] -//~^ ERROR `#[label(parser::add_paren)]` is not a valid attribute +#[label(parser_add_paren, parser_add_paren)] +//~^ ERROR `#[label(parser_add_paren)]` is not a valid attribute struct AE { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct AF { #[primary_span] //~^ NOTE previously specified here @@ -347,7 +346,7 @@ struct AG { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...")] +#[suggestion(parser_add_paren, code = "...")] struct AH { #[primary_span] span: Span, @@ -358,7 +357,7 @@ struct AH { #[derive(Subdiagnostic)] enum AI { - #[suggestion(parser::add_paren, code = "...")] + #[suggestion(parser_add_paren, code = "...")] A { #[primary_span] span: Span, @@ -366,7 +365,7 @@ enum AI { applicability: Applicability, var: String, }, - #[suggestion(parser::add_paren, code = "...")] + #[suggestion(parser_add_paren, code = "...")] B { #[primary_span] span: Span, @@ -377,7 +376,7 @@ enum AI { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...", code = "...")] +#[suggestion(parser_add_paren, code = "...", code = "...")] //~^ ERROR specified multiple times //~^^ NOTE previously specified here struct AJ { @@ -388,7 +387,7 @@ struct AJ { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...")] +#[suggestion(parser_add_paren, code = "...")] struct AK { #[primary_span] span: Span, @@ -401,7 +400,7 @@ struct AK { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...")] +#[suggestion(parser_add_paren, code = "...")] struct AL { #[primary_span] span: Span, @@ -411,14 +410,14 @@ struct AL { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...")] +#[suggestion(parser_add_paren, code = "...")] struct AM { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren)] +#[suggestion(parser_add_paren)] //~^ ERROR suggestion without `code = "..."` struct AN { #[primary_span] @@ -428,7 +427,7 @@ struct AN { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code ="...", applicability = "foo")] +#[suggestion(parser_add_paren, code ="...", applicability = "foo")] //~^ ERROR invalid applicability struct AO { #[primary_span] @@ -436,24 +435,24 @@ struct AO { } #[derive(Subdiagnostic)] -#[help(parser::add_paren)] +#[help(parser_add_paren)] struct AP { var: String } #[derive(Subdiagnostic)] -#[note(parser::add_paren)] +#[note(parser_add_paren)] struct AQ; #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...")] +#[suggestion(parser_add_paren, code = "...")] //~^ ERROR suggestion without `#[primary_span]` field struct AR { var: String, } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code ="...", applicability = "machine-applicable")] +#[suggestion(parser_add_paren, code ="...", applicability = "machine-applicable")] struct AS { #[primary_span] span: Span, @@ -463,7 +462,7 @@ struct AS { #[label] //~^ ERROR unsupported type attribute for subdiagnostic enum enum AT { - #[label(parser::add_paren)] + #[label(parser_add_paren)] A { #[primary_span] span: Span, @@ -472,7 +471,7 @@ enum AT { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] +#[suggestion(parser_add_paren, code ="{var}", applicability = "machine-applicable")] struct AU { #[primary_span] span: Span, @@ -480,7 +479,7 @@ struct AU { } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] +#[suggestion(parser_add_paren, code ="{var}", applicability = "machine-applicable")] //~^ ERROR `var` doesn't refer to a field on this type struct AV { #[primary_span] @@ -489,7 +488,7 @@ struct AV { #[derive(Subdiagnostic)] enum AW { - #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] + #[suggestion(parser_add_paren, code ="{var}", applicability = "machine-applicable")] A { #[primary_span] span: Span, @@ -499,7 +498,7 @@ enum AW { #[derive(Subdiagnostic)] enum AX { - #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] + #[suggestion(parser_add_paren, code ="{var}", applicability = "machine-applicable")] //~^ ERROR `var` doesn't refer to a field on this type A { #[primary_span] @@ -508,18 +507,18 @@ enum AX { } #[derive(Subdiagnostic)] -#[warning(parser::add_paren)] +#[warning(parser_add_paren)] struct AY {} #[derive(Subdiagnostic)] -#[warning(parser::add_paren)] +#[warning(parser_add_paren)] struct AZ { #[primary_span] span: Span, } #[derive(Subdiagnostic)] -#[suggestion(parser::add_paren, code = "...")] +#[suggestion(parser_add_paren, code = "...")] //~^ ERROR suggestion without `#[primary_span]` field struct BA { #[suggestion_part] @@ -534,7 +533,7 @@ struct BA { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, code = "...", applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, code = "...", applicability = "machine-applicable")] //~^ ERROR multipart suggestion without any `#[suggestion_part(...)]` fields //~| ERROR `#[multipart_suggestion(code = ...)]` is not a valid attribute struct BBa { @@ -542,7 +541,7 @@ struct BBa { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, applicability = "machine-applicable")] struct BBb { #[suggestion_part] //~^ ERROR `#[suggestion_part(...)]` attribute without `code = "..."` @@ -550,7 +549,7 @@ struct BBb { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, applicability = "machine-applicable")] struct BBc { #[suggestion_part()] //~^ ERROR `#[suggestion_part(...)]` attribute without `code = "..."` @@ -558,7 +557,7 @@ struct BBc { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren)] +#[multipart_suggestion(parser_add_paren)] //~^ ERROR multipart suggestion without any `#[suggestion_part(...)]` fields struct BC { #[primary_span] @@ -567,7 +566,7 @@ struct BC { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren)] +#[multipart_suggestion(parser_add_paren)] struct BD { #[suggestion_part] //~^ ERROR `#[suggestion_part(...)]` attribute without `code = "..."` @@ -587,7 +586,7 @@ struct BD { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, applicability = "machine-applicable")] struct BE { #[suggestion_part(code = "...", code = ",,,")] //~^ ERROR specified multiple times @@ -596,7 +595,7 @@ struct BE { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, applicability = "machine-applicable")] struct BF { #[suggestion_part(code = "(")] first: Span, @@ -605,7 +604,7 @@ struct BF { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren)] +#[multipart_suggestion(parser_add_paren)] struct BG { #[applicability] appl: Applicability, @@ -616,7 +615,7 @@ struct BG { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, applicability = "machine-applicable")] struct BH { #[applicability] //~^ ERROR `#[applicability]` has no effect @@ -628,16 +627,37 @@ struct BH { } #[derive(Subdiagnostic)] -#[multipart_suggestion(parser::add_paren, applicability = "machine-applicable")] +#[multipart_suggestion(parser_add_paren, applicability = "machine-applicable")] struct BI { #[suggestion_part(code = "")] spans: Vec<Span>, } #[derive(Subdiagnostic)] -#[label(parser::add_paren)] +#[label(parser_add_paren)] struct BJ { #[primary_span] span: Span, r#type: String, } + +/// with a doc comment on the type.. +#[derive(Subdiagnostic)] +#[label(parser_add_paren)] +struct BK { + /// ..and the field + #[primary_span] + span: Span, +} + +/// with a doc comment on the type.. +#[derive(Subdiagnostic)] +enum BL { + /// ..and the variant.. + #[label(parser_add_paren)] + Foo { + /// ..and the field + #[primary_span] + span: Span, + } +} diff --git a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr index 171b89e657d..b21f9cc94a9 100644 --- a/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr +++ b/src/test/ui-fulldeps/session-diagnostic/subdiagnostic-derive.stderr @@ -1,7 +1,7 @@ error: label without `#[primary_span]` field --> $DIR/subdiagnostic-derive.rs:47:1 | -LL | / #[label(parser::add_paren)] +LL | / #[label(parser_add_paren)] LL | | LL | | struct C { LL | | var: String, @@ -81,16 +81,16 @@ LL | #[label()] | ^^^^^^^^^^ error: `#[label(code = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:141:28 + --> $DIR/subdiagnostic-derive.rs:141:27 | -LL | #[label(parser::add_paren, code = "...")] - | ^^^^^^^^^^^^ +LL | #[label(parser_add_paren, code = "...")] + | ^^^^^^^^^^^^ error: `#[label(applicability = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:150:28 + --> $DIR/subdiagnostic-derive.rs:150:27 | -LL | #[label(parser::add_paren, applicability = "machine-applicable")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[label(parser_add_paren, applicability = "machine-applicable")] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unsupported type attribute for subdiagnostic enum --> $DIR/subdiagnostic-derive.rs:159:1 @@ -134,22 +134,16 @@ error: diagnostic slug must be first argument of a `#[label(...)]` attribute LL | #[label(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^ -error: subdiagnostic kind not specified - --> $DIR/subdiagnostic-derive.rs:239:5 - | -LL | B { - | ^ - error: the `#[primary_span]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/subdiagnostic-derive.rs:251:5 + --> $DIR/subdiagnostic-derive.rs:250:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: label without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:248:1 + --> $DIR/subdiagnostic-derive.rs:247:1 | -LL | / #[label(parser::add_paren)] +LL | / #[label(parser_add_paren)] LL | | LL | | struct W { LL | | #[primary_span] @@ -159,13 +153,13 @@ LL | | } | |_^ error: `#[applicability]` is only valid on suggestions - --> $DIR/subdiagnostic-derive.rs:261:5 + --> $DIR/subdiagnostic-derive.rs:260:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: `#[bar]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:271:5 + --> $DIR/subdiagnostic-derive.rs:270:5 | LL | #[bar] | ^^^^^^ @@ -173,13 +167,13 @@ LL | #[bar] = help: only `primary_span`, `applicability` and `skip_arg` are valid field attributes error: `#[bar = ...]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:282:5 + --> $DIR/subdiagnostic-derive.rs:281:5 | LL | #[bar = "..."] | ^^^^^^^^^^^^^^ error: `#[bar(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:293:5 + --> $DIR/subdiagnostic-derive.rs:292:5 | LL | #[bar("...")] | ^^^^^^^^^^^^^ @@ -187,7 +181,7 @@ LL | #[bar("...")] = help: only `primary_span`, `applicability` and `skip_arg` are valid field attributes error: unexpected unsupported untagged union - --> $DIR/subdiagnostic-derive.rs:309:1 + --> $DIR/subdiagnostic-derive.rs:308:1 | LL | / union AC { LL | | @@ -196,78 +190,78 @@ LL | | b: u64 LL | | } | |_^ -error: `#[label(parser::add_paren)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:324:28 +error: `#[label(parser_add_paren)]` is not a valid attribute + --> $DIR/subdiagnostic-derive.rs:323:27 | -LL | #[label(parser::add_paren, parser::add_paren)] - | ^^^^^^^^^^^^^^^^^ +LL | #[label(parser_add_paren, parser_add_paren)] + | ^^^^^^^^^^^^^^^^ | = help: a diagnostic slug must be the first argument to the attribute error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:337:5 + --> $DIR/subdiagnostic-derive.rs:336:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:334:5 + --> $DIR/subdiagnostic-derive.rs:333:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ error: subdiagnostic kind not specified - --> $DIR/subdiagnostic-derive.rs:343:8 + --> $DIR/subdiagnostic-derive.rs:342:8 | LL | struct AG { | ^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:380:47 + --> $DIR/subdiagnostic-derive.rs:379:46 | -LL | #[suggestion(parser::add_paren, code = "...", code = "...")] - | ^^^^^^^^^^^^ +LL | #[suggestion(parser_add_paren, code = "...", code = "...")] + | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:380:33 + --> $DIR/subdiagnostic-derive.rs:379:32 | -LL | #[suggestion(parser::add_paren, code = "...", code = "...")] - | ^^^^^^^^^^^^ +LL | #[suggestion(parser_add_paren, code = "...", code = "...")] + | ^^^^^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:398:5 + --> $DIR/subdiagnostic-derive.rs:397:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:395:5 + --> $DIR/subdiagnostic-derive.rs:394:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: the `#[applicability]` attribute can only be applied to fields of type `Applicability` - --> $DIR/subdiagnostic-derive.rs:408:5 + --> $DIR/subdiagnostic-derive.rs:407:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ error: suggestion without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:421:1 + --> $DIR/subdiagnostic-derive.rs:420:1 | -LL | #[suggestion(parser::add_paren)] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(parser_add_paren)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: invalid applicability - --> $DIR/subdiagnostic-derive.rs:431:46 + --> $DIR/subdiagnostic-derive.rs:430:45 | -LL | #[suggestion(parser::add_paren, code ="...", applicability = "foo")] - | ^^^^^^^^^^^^^^^^^^^^^ +LL | #[suggestion(parser_add_paren, code ="...", applicability = "foo")] + | ^^^^^^^^^^^^^^^^^^^^^ error: suggestion without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:449:1 + --> $DIR/subdiagnostic-derive.rs:448:1 | -LL | / #[suggestion(parser::add_paren, code = "...")] +LL | / #[suggestion(parser_add_paren, code = "...")] LL | | LL | | struct AR { LL | | var: String, @@ -275,25 +269,25 @@ LL | | } | |_^ error: unsupported type attribute for subdiagnostic enum - --> $DIR/subdiagnostic-derive.rs:463:1 + --> $DIR/subdiagnostic-derive.rs:462:1 | LL | #[label] | ^^^^^^^^ error: `var` doesn't refer to a field on this type - --> $DIR/subdiagnostic-derive.rs:483:39 + --> $DIR/subdiagnostic-derive.rs:482:38 | -LL | #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] - | ^^^^^^^ +LL | #[suggestion(parser_add_paren, code ="{var}", applicability = "machine-applicable")] + | ^^^^^^^ error: `var` doesn't refer to a field on this type - --> $DIR/subdiagnostic-derive.rs:502:43 + --> $DIR/subdiagnostic-derive.rs:501:42 | -LL | #[suggestion(parser::add_paren, code ="{var}", applicability = "machine-applicable")] - | ^^^^^^^ +LL | #[suggestion(parser_add_paren, code ="{var}", applicability = "machine-applicable")] + | ^^^^^^^ error: `#[suggestion_part]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:525:5 + --> $DIR/subdiagnostic-derive.rs:524:5 | LL | #[suggestion_part] | ^^^^^^^^^^^^^^^^^^ @@ -301,7 +295,7 @@ LL | #[suggestion_part] = help: `#[suggestion_part(...)]` is only valid in multipart suggestions, use `#[primary_span]` instead error: `#[suggestion_part(...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:528:5 + --> $DIR/subdiagnostic-derive.rs:527:5 | LL | #[suggestion_part(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -309,9 +303,9 @@ LL | #[suggestion_part(code = "...")] = help: `#[suggestion_part(...)]` is only valid in multipart suggestions error: suggestion without `#[primary_span]` field - --> $DIR/subdiagnostic-derive.rs:522:1 + --> $DIR/subdiagnostic-derive.rs:521:1 | -LL | / #[suggestion(parser::add_paren, code = "...")] +LL | / #[suggestion(parser_add_paren, code = "...")] LL | | LL | | struct BA { LL | | #[suggestion_part] @@ -321,17 +315,17 @@ LL | | } | |_^ error: `#[multipart_suggestion(code = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:537:43 + --> $DIR/subdiagnostic-derive.rs:536:42 | -LL | #[multipart_suggestion(parser::add_paren, code = "...", applicability = "machine-applicable")] - | ^^^^^^^^^^^^ +LL | #[multipart_suggestion(parser_add_paren, code = "...", applicability = "machine-applicable")] + | ^^^^^^^^^^^^ | = help: only `applicability` is a valid nested attributes error: multipart suggestion without any `#[suggestion_part(...)]` fields - --> $DIR/subdiagnostic-derive.rs:537:1 + --> $DIR/subdiagnostic-derive.rs:536:1 | -LL | / #[multipart_suggestion(parser::add_paren, code = "...", applicability = "machine-applicable")] +LL | / #[multipart_suggestion(parser_add_paren, code = "...", applicability = "machine-applicable")] LL | | LL | | LL | | struct BBa { @@ -340,19 +334,19 @@ LL | | } | |_^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:547:5 + --> $DIR/subdiagnostic-derive.rs:546:5 | LL | #[suggestion_part] | ^^^^^^^^^^^^^^^^^^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:555:5 + --> $DIR/subdiagnostic-derive.rs:554:5 | LL | #[suggestion_part()] | ^^^^^^^^^^^^^^^^^^^^ error: `#[primary_span]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:564:5 + --> $DIR/subdiagnostic-derive.rs:563:5 | LL | #[primary_span] | ^^^^^^^^^^^^^^^ @@ -360,9 +354,9 @@ LL | #[primary_span] = help: multipart suggestions use one or more `#[suggestion_part]`s rather than one `#[primary_span]` error: multipart suggestion without any `#[suggestion_part(...)]` fields - --> $DIR/subdiagnostic-derive.rs:561:1 + --> $DIR/subdiagnostic-derive.rs:560:1 | -LL | / #[multipart_suggestion(parser::add_paren)] +LL | / #[multipart_suggestion(parser_add_paren)] LL | | LL | | struct BC { LL | | #[primary_span] @@ -372,19 +366,19 @@ LL | | } | |_^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:572:5 + --> $DIR/subdiagnostic-derive.rs:571:5 | LL | #[suggestion_part] | ^^^^^^^^^^^^^^^^^^ error: `#[suggestion_part(...)]` attribute without `code = "..."` - --> $DIR/subdiagnostic-derive.rs:575:5 + --> $DIR/subdiagnostic-derive.rs:574:5 | LL | #[suggestion_part()] | ^^^^^^^^^^^^^^^^^^^^ error: `#[suggestion_part(foo = ...)]` is not a valid attribute - --> $DIR/subdiagnostic-derive.rs:578:23 + --> $DIR/subdiagnostic-derive.rs:577:23 | LL | #[suggestion_part(foo = "bar")] | ^^^^^^^^^^^ @@ -392,31 +386,31 @@ LL | #[suggestion_part(foo = "bar")] = help: `code` is the only valid nested attribute error: the `#[suggestion_part(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/subdiagnostic-derive.rs:581:5 + --> $DIR/subdiagnostic-derive.rs:580:5 | LL | #[suggestion_part(code = "...")] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: the `#[suggestion_part(...)]` attribute can only be applied to fields of type `Span` or `MultiSpan` - --> $DIR/subdiagnostic-derive.rs:584:5 + --> $DIR/subdiagnostic-derive.rs:583:5 | LL | #[suggestion_part()] | ^^^^^^^^^^^^^^^^^^^^ error: specified multiple times - --> $DIR/subdiagnostic-derive.rs:592:37 + --> $DIR/subdiagnostic-derive.rs:591:37 | LL | #[suggestion_part(code = "...", code = ",,,")] | ^^^^^^^^^^^^ | note: previously specified here - --> $DIR/subdiagnostic-derive.rs:592:23 + --> $DIR/subdiagnostic-derive.rs:591:23 | LL | #[suggestion_part(code = "...", code = ",,,")] | ^^^^^^^^^^^^ error: `#[applicability]` has no effect if all `#[suggestion]`/`#[multipart_suggestion]` attributes have a static `applicability = "..."` - --> $DIR/subdiagnostic-derive.rs:621:5 + --> $DIR/subdiagnostic-derive.rs:620:5 | LL | #[applicability] | ^^^^^^^^^^^^^^^^ @@ -458,19 +452,19 @@ LL | #[bar("...")] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:271:7 + --> $DIR/subdiagnostic-derive.rs:270:7 | LL | #[bar] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:282:7 + --> $DIR/subdiagnostic-derive.rs:281:7 | LL | #[bar = "..."] | ^^^ error: cannot find attribute `bar` in this scope - --> $DIR/subdiagnostic-derive.rs:293:7 + --> $DIR/subdiagnostic-derive.rs:292:7 | LL | #[bar("...")] | ^^^ @@ -481,6 +475,6 @@ error[E0425]: cannot find value `slug` in module `rustc_errors::fluent` LL | #[label(slug)] | ^^^^ not found in `rustc_errors::fluent` -error: aborting due to 68 previous errors +error: aborting due to 67 previous errors For more information about this error, try `rustc --explain E0425`. diff --git a/src/test/ui/asm/unpretty-expanded.rs b/src/test/ui/asm/unpretty-expanded.rs index 6128f49b89a..25cf1c3d730 100644 --- a/src/test/ui/asm/unpretty-expanded.rs +++ b/src/test/ui/asm/unpretty-expanded.rs @@ -1,3 +1,4 @@ +// needs-asm-support // check-pass // compile-flags: -Zunpretty=expanded core::arch::global_asm!("x: .byte 42"); diff --git a/src/test/ui/asm/unpretty-expanded.stdout b/src/test/ui/asm/unpretty-expanded.stdout index 15b60d1559c..ab1b5f45e5c 100644 --- a/src/test/ui/asm/unpretty-expanded.stdout +++ b/src/test/ui/asm/unpretty-expanded.stdout @@ -4,6 +4,7 @@ use ::std::prelude::rust_2015::*; #[macro_use] extern crate std; +// needs-asm-support // check-pass // compile-flags: -Zunpretty=expanded global_asm! ("x: .byte 42"); diff --git a/src/test/ui/associated-type-bounds/inside-adt.rs b/src/test/ui/associated-type-bounds/inside-adt.rs index f26037f0707..8eb8c44bb42 100644 --- a/src/test/ui/associated-type-bounds/inside-adt.rs +++ b/src/test/ui/associated-type-bounds/inside-adt.rs @@ -16,7 +16,7 @@ enum E2 { V(Box<dyn Iterator<Item: Copy>>) } //~^ ERROR associated type bounds are not allowed within structs, enums, or unions enum E3 { V(dyn Iterator<Item: 'static>) } //~^ ERROR associated type bounds are not allowed within structs, enums, or unions -//~| ERROR the size for values of type `(dyn Iterator<Item = impl Sized> + 'static)` +//~| ERROR the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` union U1 { f: ManuallyDrop<dyn Iterator<Item: Copy>> } //~^ ERROR associated type bounds are not allowed within structs, enums, or unions @@ -25,6 +25,6 @@ union U2 { f: ManuallyDrop<Box<dyn Iterator<Item: Copy>>> } //~^ ERROR associated type bounds are not allowed within structs, enums, or unions union U3 { f: ManuallyDrop<dyn Iterator<Item: 'static>> } //~^ ERROR associated type bounds are not allowed within structs, enums, or unions -//~| ERROR the size for values of type `(dyn Iterator<Item = impl Sized> + 'static)` +//~| ERROR the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` fn main() {} diff --git a/src/test/ui/associated-type-bounds/inside-adt.stderr b/src/test/ui/associated-type-bounds/inside-adt.stderr index 978390fa712..dbfcfa58063 100644 --- a/src/test/ui/associated-type-bounds/inside-adt.stderr +++ b/src/test/ui/associated-type-bounds/inside-adt.stderr @@ -70,13 +70,13 @@ help: the `Box` type always has a statically known size and allocates its conten LL | enum E1 { V(Box<dyn Iterator<Item: Copy>>) } | ++++ + -error[E0277]: the size for values of type `(dyn Iterator<Item = impl Sized> + 'static)` cannot be known at compilation time +error[E0277]: the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` cannot be known at compilation time --> $DIR/inside-adt.rs:17:13 | LL | enum E3 { V(dyn Iterator<Item: 'static>) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | - = help: the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Sized> + 'static)` + = help: the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Sized + 'static> + 'static)` = note: no field of an enum variant may have a dynamically sized type = help: change the field's type to have a statically known size help: borrowed types always have a statically known size @@ -107,14 +107,14 @@ help: the `Box` type always has a statically known size and allocates its conten LL | union U1 { f: Box<ManuallyDrop<dyn Iterator<Item: Copy>>> } | ++++ + -error[E0277]: the size for values of type `(dyn Iterator<Item = impl Sized> + 'static)` cannot be known at compilation time +error[E0277]: the size for values of type `(dyn Iterator<Item = impl Sized + 'static> + 'static)` cannot be known at compilation time --> $DIR/inside-adt.rs:26:15 | LL | union U3 { f: ManuallyDrop<dyn Iterator<Item: 'static>> } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time | - = help: within `ManuallyDrop<(dyn Iterator<Item = impl Sized> + 'static)>`, the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Sized> + 'static)` - = note: required because it appears within the type `ManuallyDrop<(dyn Iterator<Item = impl Sized> + 'static)>` + = help: within `ManuallyDrop<(dyn Iterator<Item = impl Sized + 'static> + 'static)>`, the trait `Sized` is not implemented for `(dyn Iterator<Item = impl Sized + 'static> + 'static)` + = note: required because it appears within the type `ManuallyDrop<(dyn Iterator<Item = impl Sized + 'static> + 'static)>` = note: no field of a union may have a dynamically sized type = help: change the field's type to have a statically known size help: borrowed types always have a statically known size diff --git a/src/test/ui/associated-types/issue-87261.rs b/src/test/ui/associated-types/issue-87261.rs index 384561f8ccd..e8548d402fa 100644 --- a/src/test/ui/associated-types/issue-87261.rs +++ b/src/test/ui/associated-types/issue-87261.rs @@ -77,10 +77,10 @@ where fn main() { accepts_trait(returns_opaque()); - //~^ ERROR type mismatch resolving `<impl Trait as Trait>::Associated == ()` + //~^ ERROR type mismatch resolving `<impl Trait + 'static as Trait>::Associated == ()` accepts_trait(returns_opaque_derived()); - //~^ ERROR type mismatch resolving `<impl DerivedTrait as Trait>::Associated == ()` + //~^ ERROR type mismatch resolving `<impl DerivedTrait + 'static as Trait>::Associated == ()` accepts_trait(returns_opaque_foo()); //~^ ERROR type mismatch resolving `<impl Trait + Foo as Trait>::Associated == ()` @@ -89,7 +89,7 @@ fn main() { //~^ ERROR type mismatch resolving `<impl DerivedTrait + Foo as Trait>::Associated == ()` accepts_generic_trait(returns_opaque_generic()); - //~^ ERROR type mismatch resolving `<impl GenericTrait<()> as GenericTrait<()>>::Associated == ()` + //~^ ERROR type mismatch resolving `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated == ()` accepts_generic_trait(returns_opaque_generic_foo()); //~^ ERROR type mismatch resolving `<impl GenericTrait<()> + Foo as GenericTrait<()>>::Associated == ()` diff --git a/src/test/ui/associated-types/issue-87261.stderr b/src/test/ui/associated-types/issue-87261.stderr index f24423dd106..2cce6b94702 100644 --- a/src/test/ui/associated-types/issue-87261.stderr +++ b/src/test/ui/associated-types/issue-87261.stderr @@ -132,7 +132,7 @@ note: required by a bound in `accepts_generic_trait` LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` -error[E0271]: type mismatch resolving `<impl Trait as Trait>::Associated == ()` +error[E0271]: type mismatch resolving `<impl Trait + 'static as Trait>::Associated == ()` --> $DIR/issue-87261.rs:79:19 | LL | fn returns_opaque() -> impl Trait + 'static { @@ -144,18 +144,18 @@ LL | accepts_trait(returns_opaque()); | required by a bound introduced by this call | = note: expected unit type `()` - found associated type `<impl Trait as Trait>::Associated` + found associated type `<impl Trait + 'static as Trait>::Associated` note: required by a bound in `accepts_trait` --> $DIR/issue-87261.rs:43:27 | LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<impl Trait as Trait>::Associated` to `()` +help: consider constraining the associated type `<impl Trait + 'static as Trait>::Associated` to `()` | LL | fn returns_opaque() -> impl Trait<Associated = ()> + 'static { | +++++++++++++++++ -error[E0271]: type mismatch resolving `<impl DerivedTrait as Trait>::Associated == ()` +error[E0271]: type mismatch resolving `<impl DerivedTrait + 'static as Trait>::Associated == ()` --> $DIR/issue-87261.rs:82:19 | LL | fn returns_opaque_derived() -> impl DerivedTrait + 'static { @@ -167,13 +167,13 @@ LL | accepts_trait(returns_opaque_derived()); | required by a bound introduced by this call | = note: expected unit type `()` - found associated type `<impl DerivedTrait as Trait>::Associated` + found associated type `<impl DerivedTrait + 'static as Trait>::Associated` note: required by a bound in `accepts_trait` --> $DIR/issue-87261.rs:43:27 | LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -help: consider constraining the associated type `<impl DerivedTrait as Trait>::Associated` to `()` +help: consider constraining the associated type `<impl DerivedTrait + 'static as Trait>::Associated` to `()` | LL | fn returns_opaque_derived() -> impl DerivedTrait<Associated = ()> + 'static { | +++++++++++++++++ @@ -222,7 +222,7 @@ note: required by a bound in `accepts_trait` LL | fn accepts_trait<T: Trait<Associated = ()>>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `accepts_trait` -error[E0271]: type mismatch resolving `<impl GenericTrait<()> as GenericTrait<()>>::Associated == ()` +error[E0271]: type mismatch resolving `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated == ()` --> $DIR/issue-87261.rs:91:27 | LL | fn returns_opaque_generic() -> impl GenericTrait<()> + 'static { @@ -234,13 +234,13 @@ LL | accepts_generic_trait(returns_opaque_generic()); | required by a bound introduced by this call | = note: expected unit type `()` - found associated type `<impl GenericTrait<()> as GenericTrait<()>>::Associated` + found associated type `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated` note: required by a bound in `accepts_generic_trait` --> $DIR/issue-87261.rs:44:46 | LL | fn accepts_generic_trait<T: GenericTrait<(), Associated = ()>>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `accepts_generic_trait` -help: consider constraining the associated type `<impl GenericTrait<()> as GenericTrait<()>>::Associated` to `()` +help: consider constraining the associated type `<impl GenericTrait<()> + 'static as GenericTrait<()>>::Associated` to `()` | LL | fn returns_opaque_generic() -> impl GenericTrait<(), Associated = ()> + 'static { | +++++++++++++++++ diff --git a/src/test/ui/attr-from-macro.rs b/src/test/ui/attr-from-macro.rs new file mode 100644 index 00000000000..bb3a5c94d41 --- /dev/null +++ b/src/test/ui/attr-from-macro.rs @@ -0,0 +1,20 @@ +// aux-build:attr-from-macro.rs +// run-pass + +extern crate attr_from_macro; + +attr_from_macro::creator! { + struct Foo; + enum Bar; + enum FooBar; +} + +fn main() { + // Checking the `repr(u32)` on the enum. + assert_eq!(4, std::mem::size_of::<Bar>()); + // Checking the `repr(u16)` on the enum. + assert_eq!(2, std::mem::size_of::<FooBar>()); + + // Checking the Debug impl on the types. + eprintln!("{:?} {:?} {:?}", Foo, Bar::A, FooBar::A); +} diff --git a/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs b/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs index e8b4fe7ae52..74fbae0350e 100644 --- a/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs +++ b/src/test/ui/attributes/unix_sigpipe/auxiliary/sigpipe-utils.rs @@ -23,9 +23,11 @@ pub fn assert_sigpipe_handler(expected_handler: SignalHandler) { SignalHandler::Ignore => libc::SIG_IGN, SignalHandler::Default => libc::SIG_DFL, }; - assert_eq!(prev, expected); + assert_eq!(prev, expected, "expected sigpipe value matches actual value"); // Unlikely to matter, but restore the old value anyway - unsafe { libc::signal(libc::SIGPIPE, prev); }; + unsafe { + libc::signal(libc::SIGPIPE, prev); + }; } } diff --git a/src/test/ui/auxiliary/attr-from-macro.rs b/src/test/ui/auxiliary/attr-from-macro.rs new file mode 100644 index 00000000000..9b388675c80 --- /dev/null +++ b/src/test/ui/auxiliary/attr-from-macro.rs @@ -0,0 +1,15 @@ +#[macro_export] +macro_rules! creator { + (struct $name1:ident; enum $name2:ident; enum $name3:ident;) => { + #[derive(Debug)] + pub struct $name1; + + #[derive(Debug)] + #[repr(u32)] + pub enum $name2 { A } + + #[derive(Debug)] + #[repr(u16)] + pub enum $name3 { A } + } +} diff --git a/src/test/ui/borrowck/anonymous-region-in-apit.rs b/src/test/ui/borrowck/anonymous-region-in-apit.rs new file mode 100644 index 00000000000..7799a7cb151 --- /dev/null +++ b/src/test/ui/borrowck/anonymous-region-in-apit.rs @@ -0,0 +1,12 @@ +#![feature(anonymous_lifetime_in_impl_trait)] + +trait Foo<T> { + fn bar(self, baz: T); +} + +fn qux(foo: impl Foo<&str>) { + |baz: &str| foo.bar(baz); + //~^ ERROR borrowed data escapes outside of closure +} + +fn main() {} diff --git a/src/test/ui/borrowck/anonymous-region-in-apit.stderr b/src/test/ui/borrowck/anonymous-region-in-apit.stderr new file mode 100644 index 00000000000..9e100f8ac3c --- /dev/null +++ b/src/test/ui/borrowck/anonymous-region-in-apit.stderr @@ -0,0 +1,16 @@ +error[E0521]: borrowed data escapes outside of closure + --> $DIR/anonymous-region-in-apit.rs:8:17 + | +LL | fn qux(foo: impl Foo<&str>) { + | --- lifetime `'2` appears in the type of `foo` +LL | |baz: &str| foo.bar(baz); + | --- - ^^^^^^^^^^^^ + | | | | + | | | `baz` escapes the closure body here + | | | argument requires that `'1` must outlive `'2` + | | let's call the lifetime of this reference `'1` + | `baz` is a reference that is only valid in the closure body + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0521`. diff --git a/src/test/ui/issues/issue-23338-params-outlive-temps-of-body.rs b/src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs index d45aaa843fb..d45aaa843fb 100644 --- a/src/test/ui/issues/issue-23338-params-outlive-temps-of-body.rs +++ b/src/test/ui/borrowck/issue-23338-params-outlive-temps-of-body.rs diff --git a/src/test/ui/closures/issue-97607.rs b/src/test/ui/closures/issue-97607.rs new file mode 100644 index 00000000000..74c910ad0bb --- /dev/null +++ b/src/test/ui/closures/issue-97607.rs @@ -0,0 +1,12 @@ +// check-pass +#[allow(unused)] + +fn test<T, F, U>(f: F) -> Box<dyn Fn(T) -> U + 'static> +where + F: 'static + Fn(T) -> U, + for<'a> U: 'a, // < This is the problematic line, see #97607 +{ + Box::new(move |t| f(t)) +} + +fn main() {} diff --git a/src/test/ui/const-generics/generic_const_exprs/dependence_lint.full.stderr b/src/test/ui/const-generics/generic_const_exprs/dependence_lint.full.stderr index 828f0988a03..d674e3acdff 100644 --- a/src/test/ui/const-generics/generic_const_exprs/dependence_lint.full.stderr +++ b/src/test/ui/const-generics/generic_const_exprs/dependence_lint.full.stderr @@ -1,5 +1,5 @@ error: generic parameters may not be used in const operations - --> $DIR/dependence_lint.rs:13:32 + --> $DIR/dependence_lint.rs:14:32 | LL | let _: [u8; size_of::<*mut T>()]; // error on stable, error with gce | ^ cannot perform const operation using `T` @@ -8,7 +8,7 @@ LL | let _: [u8; size_of::<*mut T>()]; // error on stable, error with gce = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/dependence_lint.rs:20:37 + --> $DIR/dependence_lint.rs:21:37 | LL | let _: [u8; if true { size_of::<T>() } else { 3 }]; // error on stable, error with gce | ^ cannot perform const operation using `T` @@ -17,7 +17,7 @@ LL | let _: [u8; if true { size_of::<T>() } else { 3 }]; // error on stable, = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions warning: cannot use constants which depend on generic parameters in types - --> $DIR/dependence_lint.rs:9:9 + --> $DIR/dependence_lint.rs:10:9 | LL | [0; size_of::<*mut T>()]; // lint on stable, error with `generic_const_exprs` | ^^^^^^^^^^^^^^^^^^^ @@ -27,7 +27,7 @@ LL | [0; size_of::<*mut T>()]; // lint on stable, error with `generic_const_ = note: `#[warn(const_evaluatable_unchecked)]` on by default warning: cannot use constants which depend on generic parameters in types - --> $DIR/dependence_lint.rs:16:9 + --> $DIR/dependence_lint.rs:17:9 | LL | [0; if false { size_of::<T>() } else { 3 }]; // lint on stable, error with gce | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/const-generics/generic_const_exprs/dependence_lint.gce.stderr b/src/test/ui/const-generics/generic_const_exprs/dependence_lint.gce.stderr index b13bcdb2c47..74111ef1d38 100644 --- a/src/test/ui/const-generics/generic_const_exprs/dependence_lint.gce.stderr +++ b/src/test/ui/const-generics/generic_const_exprs/dependence_lint.gce.stderr @@ -1,5 +1,5 @@ error: overly complex generic constant - --> $DIR/dependence_lint.rs:16:9 + --> $DIR/dependence_lint.rs:17:9 | LL | [0; if false { size_of::<T>() } else { 3 }]; // lint on stable, error with gce | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ control flow is not supported in generic constants @@ -7,7 +7,7 @@ LL | [0; if false { size_of::<T>() } else { 3 }]; // lint on stable, error w = help: consider moving this anonymous constant into a `const` function error: overly complex generic constant - --> $DIR/dependence_lint.rs:20:17 + --> $DIR/dependence_lint.rs:21:17 | LL | let _: [u8; if true { size_of::<T>() } else { 3 }]; // error on stable, error with gce | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ control flow is not supported in generic constants @@ -15,7 +15,7 @@ LL | let _: [u8; if true { size_of::<T>() } else { 3 }]; // error on stable, = help: consider moving this anonymous constant into a `const` function error: unconstrained generic constant - --> $DIR/dependence_lint.rs:13:12 + --> $DIR/dependence_lint.rs:14:12 | LL | let _: [u8; size_of::<*mut T>()]; // error on stable, error with gce | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -23,7 +23,7 @@ LL | let _: [u8; size_of::<*mut T>()]; // error on stable, error with gce = help: try adding a `where` bound using this expression: `where [(); size_of::<*mut T>()]:` error: unconstrained generic constant - --> $DIR/dependence_lint.rs:9:9 + --> $DIR/dependence_lint.rs:10:9 | LL | [0; size_of::<*mut T>()]; // lint on stable, error with `generic_const_exprs` | ^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/const-generics/generic_const_exprs/dependence_lint.rs b/src/test/ui/const-generics/generic_const_exprs/dependence_lint.rs index dcdfd75def9..b715e07f8fa 100644 --- a/src/test/ui/const-generics/generic_const_exprs/dependence_lint.rs +++ b/src/test/ui/const-generics/generic_const_exprs/dependence_lint.rs @@ -1,4 +1,5 @@ // revisions: full gce +// compile-flags: -Zdeduplicate-diagnostics=yes #![cfg_attr(gce, feature(generic_const_exprs))] #![allow(incomplete_features)] diff --git a/src/test/ui/const-generics/generic_const_exprs/function-call.rs b/src/test/ui/const-generics/generic_const_exprs/function-call.rs index b5de66621c5..3c866333d60 100644 --- a/src/test/ui/const-generics/generic_const_exprs/function-call.rs +++ b/src/test/ui/const-generics/generic_const_exprs/function-call.rs @@ -1,4 +1,5 @@ // check-pass +// compile-flags: -Zdeduplicate-diagnostics=yes const fn foo<T>() -> usize { // We might instead branch on `std::mem::size_of::<*mut T>() < 8` here, diff --git a/src/test/ui/const-generics/generic_const_exprs/function-call.stderr b/src/test/ui/const-generics/generic_const_exprs/function-call.stderr index 796dc01043c..84abfe57876 100644 --- a/src/test/ui/const-generics/generic_const_exprs/function-call.stderr +++ b/src/test/ui/const-generics/generic_const_exprs/function-call.stderr @@ -1,5 +1,5 @@ warning: cannot use constants which depend on generic parameters in types - --> $DIR/function-call.rs:14:17 + --> $DIR/function-call.rs:15:17 | LL | let _ = [0; foo::<T>()]; | ^^^^^^^^^^ diff --git a/src/test/ui/const-generics/min_const_generics/complex-expression.rs b/src/test/ui/const-generics/min_const_generics/complex-expression.rs index 7840989cb08..8e667aebaad 100644 --- a/src/test/ui/const-generics/min_const_generics/complex-expression.rs +++ b/src/test/ui/const-generics/min_const_generics/complex-expression.rs @@ -1,3 +1,4 @@ +// compile-flags: -Zdeduplicate-diagnostics=yes use std::mem::size_of; fn test<const N: usize>() {} diff --git a/src/test/ui/const-generics/min_const_generics/complex-expression.stderr b/src/test/ui/const-generics/min_const_generics/complex-expression.stderr index 0b051c6131b..deabd05a6d5 100644 --- a/src/test/ui/const-generics/min_const_generics/complex-expression.stderr +++ b/src/test/ui/const-generics/min_const_generics/complex-expression.stderr @@ -1,5 +1,5 @@ error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:9:38 + --> $DIR/complex-expression.rs:10:38 | LL | struct Break0<const N: usize>([u8; { N + 1 }]); | ^ cannot perform const operation using `N` @@ -8,7 +8,7 @@ LL | struct Break0<const N: usize>([u8; { N + 1 }]); = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:12:40 + --> $DIR/complex-expression.rs:13:40 | LL | struct Break1<const N: usize>([u8; { { N } }]); | ^ cannot perform const operation using `N` @@ -17,7 +17,7 @@ LL | struct Break1<const N: usize>([u8; { { N } }]); = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:16:17 + --> $DIR/complex-expression.rs:17:17 | LL | let _: [u8; N + 1]; | ^ cannot perform const operation using `N` @@ -26,7 +26,7 @@ LL | let _: [u8; N + 1]; = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:21:17 + --> $DIR/complex-expression.rs:22:17 | LL | let _ = [0; N + 1]; | ^ cannot perform const operation using `N` @@ -35,7 +35,7 @@ LL | let _ = [0; N + 1]; = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:25:45 + --> $DIR/complex-expression.rs:26:45 | LL | struct BreakTy0<T>(T, [u8; { size_of::<*mut T>() }]); | ^ cannot perform const operation using `T` @@ -44,7 +44,7 @@ LL | struct BreakTy0<T>(T, [u8; { size_of::<*mut T>() }]); = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:28:47 + --> $DIR/complex-expression.rs:29:47 | LL | struct BreakTy1<T>(T, [u8; { { size_of::<*mut T>() } }]); | ^ cannot perform const operation using `T` @@ -53,7 +53,7 @@ LL | struct BreakTy1<T>(T, [u8; { { size_of::<*mut T>() } }]); = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations - --> $DIR/complex-expression.rs:32:32 + --> $DIR/complex-expression.rs:33:32 | LL | let _: [u8; size_of::<*mut T>() + 1]; | ^ cannot perform const operation using `T` @@ -62,7 +62,7 @@ LL | let _: [u8; size_of::<*mut T>() + 1]; = help: use `#![feature(generic_const_exprs)]` to allow generic const expressions warning: cannot use constants which depend on generic parameters in types - --> $DIR/complex-expression.rs:37:17 + --> $DIR/complex-expression.rs:38:17 | LL | let _ = [0; size_of::<*mut T>() + 1]; | ^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.rs b/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.rs index 71d13ca61c9..e9d868093e7 100644 --- a/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.rs +++ b/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.rs @@ -1,4 +1,5 @@ // check-pass +// compile-flags: -Zdeduplicate-diagnostics=yes #![allow(dead_code)] fn foo<T>() { diff --git a/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.stderr b/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.stderr index f0ba7a39d1e..8003dfa4071 100644 --- a/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.stderr +++ b/src/test/ui/const-generics/min_const_generics/const-evaluatable-unchecked.stderr @@ -1,5 +1,5 @@ warning: cannot use constants which depend on generic parameters in types - --> $DIR/const-evaluatable-unchecked.rs:5:9 + --> $DIR/const-evaluatable-unchecked.rs:6:9 | LL | [0; std::mem::size_of::<*mut T>()]; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -9,7 +9,7 @@ LL | [0; std::mem::size_of::<*mut T>()]; = note: `#[warn(const_evaluatable_unchecked)]` on by default warning: cannot use constants which depend on generic parameters in types - --> $DIR/const-evaluatable-unchecked.rs:16:21 + --> $DIR/const-evaluatable-unchecked.rs:17:21 | LL | let _ = [0; Self::ASSOC]; | ^^^^^^^^^^^ @@ -18,7 +18,7 @@ LL | let _ = [0; Self::ASSOC]; = note: for more information, see issue #76200 <https://github.com/rust-lang/rust/issues/76200> warning: cannot use constants which depend on generic parameters in types - --> $DIR/const-evaluatable-unchecked.rs:28:21 + --> $DIR/const-evaluatable-unchecked.rs:29:21 | LL | let _ = [0; Self::ASSOC]; | ^^^^^^^^^^^ diff --git a/src/test/ui/consts/const-eval/const_raw_ptr_ops.stderr b/src/test/ui/consts/const-eval/const_raw_ptr_ops.stderr index 168fa0ad0f0..12244450e7f 100644 --- a/src/test/ui/consts/const-eval/const_raw_ptr_ops.stderr +++ b/src/test/ui/consts/const-eval/const_raw_ptr_ops.stderr @@ -10,16 +10,6 @@ note: the trait `PartialEq<_>` is implemented for `*const i32`, but that impleme | LL | const X: bool = unsafe { &1 as *const i32 == &2 as *const i32 }; | ^^ - = help: the following other types implement trait `PartialEq<Rhs>`: - f32 - f64 - i128 - i16 - i32 - i64 - i8 - isize - and 6 others error[E0277]: can't compare `*const i32` with `_` in const contexts --> $DIR/const_raw_ptr_ops.rs:6:44 @@ -33,16 +23,6 @@ note: the trait `PartialEq<_>` is implemented for `*const i32`, but that impleme | LL | const X2: bool = unsafe { 42 as *const i32 == 43 as *const i32 }; | ^^ - = help: the following other types implement trait `PartialEq<Rhs>`: - f32 - f64 - i128 - i16 - i32 - i64 - i8 - isize - and 6 others error: aborting due to 2 previous errors diff --git a/src/test/ui/consts/issue-25826.stderr b/src/test/ui/consts/issue-25826.stderr index b80befa26f6..905c5ee6eb4 100644 --- a/src/test/ui/consts/issue-25826.stderr +++ b/src/test/ui/consts/issue-25826.stderr @@ -10,10 +10,6 @@ note: the trait `PartialOrd` is implemented for `*const ()`, but that implementa | LL | const A: bool = unsafe { id::<u8> as *const () < id::<u16> as *const () }; | ^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | fn main() where *const (): ~const PartialOrd { - | ++++++++++++++++++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/consts/issue-94675.stderr b/src/test/ui/consts/issue-94675.stderr index 7ae293ffbf8..f4683f7f536 100644 --- a/src/test/ui/consts/issue-94675.stderr +++ b/src/test/ui/consts/issue-94675.stderr @@ -23,10 +23,6 @@ note: the trait `IndexMut<usize>` is implemented for `Vec<usize>`, but that impl | LL | self.bar[0] = baz.len(); | ^^^^^^^^^^^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | impl<'a> Foo<'a> where Vec<usize>: ~const IndexMut<usize> { - | ++++++++++++++++++++++++++++++++++++++++ error: aborting due to 2 previous errors diff --git a/src/test/ui/issues/issue-23338-ensure-param-drop-order.rs b/src/test/ui/drop/issue-23338-ensure-param-drop-order.rs index a99f260dde3..a99f260dde3 100644 --- a/src/test/ui/issues/issue-23338-ensure-param-drop-order.rs +++ b/src/test/ui/drop/issue-23338-ensure-param-drop-order.rs diff --git a/src/test/ui/issues/issue-24805-dropck-itemless.rs b/src/test/ui/dropck/issue-24805-dropck-itemless.rs index 45761b61c3e..45761b61c3e 100644 --- a/src/test/ui/issues/issue-24805-dropck-itemless.rs +++ b/src/test/ui/dropck/issue-24805-dropck-itemless.rs diff --git a/src/test/ui/empty_global_asm.rs b/src/test/ui/empty_global_asm.rs index dbcc7be0578..af13762d118 100644 --- a/src/test/ui/empty_global_asm.rs +++ b/src/test/ui/empty_global_asm.rs @@ -1,21 +1,8 @@ +// needs-asm-support // run-pass -#[allow(unused_imports)] use std::arch::global_asm; -#[cfg(target_arch = "x86")] -global_asm!(""); - -#[cfg(target_arch = "x86_64")] -global_asm!(""); - -#[cfg(target_arch = "arm")] -global_asm!(""); - -#[cfg(target_arch = "aarch64")] -global_asm!(""); - -#[cfg(target_arch = "mips")] global_asm!(""); fn main() {} diff --git a/src/test/ui/generic-associated-types/bugs/issue-89008.stderr b/src/test/ui/generic-associated-types/bugs/issue-89008.stderr deleted file mode 100644 index 3f72734efa1..00000000000 --- a/src/test/ui/generic-associated-types/bugs/issue-89008.stderr +++ /dev/null @@ -1,19 +0,0 @@ -error[E0271]: type mismatch resolving `<Empty<_> as Stream>::Item == Repr` - --> $DIR/issue-89008.rs:38:43 - | -LL | fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> { - | ---- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ type mismatch resolving `<Empty<_> as Stream>::Item == Repr` - | | - | this type parameter - | -note: expected this to be `()` - --> $DIR/issue-89008.rs:17:17 - | -LL | type Item = (); - | ^^ - = note: expected unit type `()` - found type parameter `Repr` - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/generic-associated-types/bugs/issue-91762.rs b/src/test/ui/generic-associated-types/bugs/issue-91762.rs index 796935cc06f..dec668bec10 100644 --- a/src/test/ui/generic-associated-types/bugs/issue-91762.rs +++ b/src/test/ui/generic-associated-types/bugs/issue-91762.rs @@ -1,7 +1,7 @@ // check-fail // known-bug -// We almost certaintly want this to pass, but +// We almost certainly want this to pass, but // it's particularly difficult currently, because we need a way of specifying // that `<Self::Base as Functor>::With<T> = Self` without using that when we have // a `U`. See `https://github.com/rust-lang/rust/pull/92728` for a (hacky) diff --git a/src/test/ui/generic-associated-types/bugs/issue-89008.rs b/src/test/ui/generic-associated-types/issue-89008.rs index 012aa8df2fc..669dbafb5d5 100644 --- a/src/test/ui/generic-associated-types/bugs/issue-89008.rs +++ b/src/test/ui/generic-associated-types/issue-89008.rs @@ -1,42 +1,36 @@ -// check-fail +// check-pass // edition:2021 -// known-bug: #88908 - -// This should pass, but seems to run into a TAIT bug. #![feature(type_alias_impl_trait)] use std::future::Future; +use std::marker::PhantomData; trait Stream { type Item; } -struct Empty<T>(T); -impl<T> Stream for Empty<T> { - type Item = (); +struct Empty<T> { + _phantom: PhantomData<T>, } -fn empty<T>() -> Empty<T> { - todo!() + +impl<T> Stream for Empty<T> { + type Item = T; } trait X { type LineStream<'a, Repr>: Stream<Item = Repr> where Self: 'a; - - type LineStreamFut<'a,Repr>: Future<Output = Self::LineStream<'a, Repr>> where Self: 'a; - - fn line_stream<'a,Repr>(&'a self) -> Self::LineStreamFut<'a,Repr>; + type LineStreamFut<'a, Repr>: Future<Output = Self::LineStream<'a, Repr>> where Self: 'a; + fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr>; } struct Y; impl X for Y { type LineStream<'a, Repr> = impl Stream<Item = Repr>; - - type LineStreamFut<'a, Repr> = impl Future<Output = Self::LineStream<'a, Repr>> ; - + type LineStreamFut<'a, Repr> = impl Future<Output = Self::LineStream<'a, Repr>>; fn line_stream<'a, Repr>(&'a self) -> Self::LineStreamFut<'a, Repr> { - async {empty()} + async { Empty { _phantom: PhantomData } } } } diff --git a/src/test/ui/hygiene/globs.stderr b/src/test/ui/hygiene/globs.stderr index bcfcc28adf7..1f2a96a4c41 100644 --- a/src/test/ui/hygiene/globs.stderr +++ b/src/test/ui/hygiene/globs.stderr @@ -1,9 +1,16 @@ error[E0425]: cannot find function `f` in this scope --> $DIR/globs.rs:22:9 | +LL | pub fn g() {} + | ---------- similarly named function `g` defined here +... LL | f(); - | ^ not found in this scope + | ^ + | +help: a function with a similar name exists | +LL | g(); + | ~ help: consider importing this function | LL | use foo::f; @@ -12,8 +19,11 @@ LL | use foo::f; error[E0425]: cannot find function `g` in this scope --> $DIR/globs.rs:15:5 | +LL | pub fn f() {} + | ---------- similarly named function `f` defined here +... LL | g(); - | ^ not found in this scope + | ^ ... LL | / m! { LL | | use bar::*; @@ -23,6 +33,10 @@ LL | | } | |_____- in this macro invocation | = note: this error originates in the macro `m` (in Nightly builds, run with -Z macro-backtrace for more info) +help: a function with a similar name exists + | +LL | f(); + | ~ help: consider importing this function | LL | use bar::g; diff --git a/src/test/ui/hygiene/rustc-macro-transparency.stderr b/src/test/ui/hygiene/rustc-macro-transparency.stderr index 17d05dd0963..1d2a1e12498 100644 --- a/src/test/ui/hygiene/rustc-macro-transparency.stderr +++ b/src/test/ui/hygiene/rustc-macro-transparency.stderr @@ -19,14 +19,8 @@ LL | semitransparent; error[E0423]: expected value, found macro `opaque` --> $DIR/rustc-macro-transparency.rs:30:5 | -LL | struct Opaque; - | -------------- similarly named unit struct `Opaque` defined here -... LL | opaque; - | ^^^^^^ - | | - | not a value - | help: a unit struct with a similar name exists (notice the capitalization): `Opaque` + | ^^^^^^ not a value error: aborting due to 3 previous errors diff --git a/src/test/ui/impl-trait/hidden-lifetimes.stderr b/src/test/ui/impl-trait/hidden-lifetimes.stderr index efc228de58b..de06ded7acd 100644 --- a/src/test/ui/impl-trait/hidden-lifetimes.stderr +++ b/src/test/ui/impl-trait/hidden-lifetimes.stderr @@ -1,4 +1,4 @@ -error[E0700]: hidden type for `impl Swap` captures lifetime that does not appear in bounds +error[E0700]: hidden type for `impl Swap + 'a` captures lifetime that does not appear in bounds --> $DIR/hidden-lifetimes.rs:29:5 | LL | fn hide_ref<'a, 'b, T: 'static>(x: &'a mut &'b T) -> impl Swap + 'a { @@ -11,7 +11,7 @@ help: to declare that the `impl Trait` captures `'b`, you can add an explicit `' LL | fn hide_ref<'a, 'b, T: 'static>(x: &'a mut &'b T) -> impl Swap + 'a + 'b { | ++++ -error[E0700]: hidden type for `impl Swap` captures lifetime that does not appear in bounds +error[E0700]: hidden type for `impl Swap + 'a` captures lifetime that does not appear in bounds --> $DIR/hidden-lifetimes.rs:46:5 | LL | fn hide_rc_refcell<'a, 'b: 'a, T: 'static>(x: Rc<RefCell<&'b T>>) -> impl Swap + 'a { diff --git a/src/test/ui/impl-trait/in-trait/default-body-type-err-2.rs b/src/test/ui/impl-trait/in-trait/default-body-type-err-2.rs new file mode 100644 index 00000000000..45ae2b8ad3a --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/default-body-type-err-2.rs @@ -0,0 +1,13 @@ +// edition:2021 + +#![allow(incomplete_features)] +#![feature(async_fn_in_trait)] + +pub trait Foo { + async fn woopsie_async(&self) -> String { + 42 + //~^ ERROR mismatched types + } +} + +fn main() {} diff --git a/src/test/ui/impl-trait/in-trait/default-body-type-err-2.stderr b/src/test/ui/impl-trait/in-trait/default-body-type-err-2.stderr new file mode 100644 index 00000000000..142b1bff1a4 --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/default-body-type-err-2.stderr @@ -0,0 +1,11 @@ +error[E0308]: mismatched types + --> $DIR/default-body-type-err-2.rs:8:9 + | +LL | 42 + | ^^- help: try using a conversion method: `.to_string()` + | | + | expected struct `String`, found integer + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/impl-trait/in-trait/default-body-type-err.rs b/src/test/ui/impl-trait/in-trait/default-body-type-err.rs new file mode 100644 index 00000000000..ac9baf91cae --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/default-body-type-err.rs @@ -0,0 +1,13 @@ +#![allow(incomplete_features)] +#![feature(return_position_impl_trait_in_trait)] + +use std::ops::Deref; + +pub trait Foo { + fn lol(&self) -> impl Deref<Target = String> { + //~^ type mismatch resolving `<&i32 as Deref>::Target == String` + &1i32 + } +} + +fn main() {} diff --git a/src/test/ui/impl-trait/in-trait/default-body-type-err.stderr b/src/test/ui/impl-trait/in-trait/default-body-type-err.stderr new file mode 100644 index 00000000000..461247a3e3f --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/default-body-type-err.stderr @@ -0,0 +1,12 @@ +error[E0271]: type mismatch resolving `<&i32 as Deref>::Target == String` + --> $DIR/default-body-type-err.rs:7:22 + | +LL | fn lol(&self) -> impl Deref<Target = String> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found struct `String` +LL | +LL | &1i32 + | ----- return type was inferred to be `&i32` here + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0271`. diff --git a/src/test/ui/impl-trait/in-trait/default-body-with-rpit.rs b/src/test/ui/impl-trait/in-trait/default-body-with-rpit.rs index f0d407cd527..ad3cc7c2524 100644 --- a/src/test/ui/impl-trait/in-trait/default-body-with-rpit.rs +++ b/src/test/ui/impl-trait/in-trait/default-body-with-rpit.rs @@ -1,4 +1,4 @@ -// known-bug: #102688 +// check-pass // edition:2021 #![feature(async_fn_in_trait, return_position_impl_trait_in_trait)] diff --git a/src/test/ui/impl-trait/in-trait/default-body-with-rpit.stderr b/src/test/ui/impl-trait/in-trait/default-body-with-rpit.stderr deleted file mode 100644 index 4529d301f9e..00000000000 --- a/src/test/ui/impl-trait/in-trait/default-body-with-rpit.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0720]: cannot resolve opaque type - --> $DIR/default-body-with-rpit.rs:10:28 - | -LL | async fn baz(&self) -> impl Debug { - | ^^^^^^^^^^ cannot resolve opaque type - | - = note: these returned values have a concrete "never" type - = help: this error will resolve once the item's body returns a concrete type - -error: aborting due to previous error - -For more information about this error, try `rustc --explain E0720`. diff --git a/src/test/ui/impl-trait/in-trait/signature-mismatch.rs b/src/test/ui/impl-trait/in-trait/signature-mismatch.rs new file mode 100644 index 00000000000..90682631aa0 --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/signature-mismatch.rs @@ -0,0 +1,21 @@ +// edition:2021 + +#![feature(return_position_impl_trait_in_trait)] +#![allow(incomplete_features)] + +use std::future::Future; + +pub trait AsyncTrait { + fn async_fn(&self, buff: &[u8]) -> impl Future<Output = Vec<u8>>; +} + +pub struct Struct; + +impl AsyncTrait for Struct { + fn async_fn<'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a { + //~^ ERROR `impl` item signature doesn't match `trait` item signature + async move { buff.to_vec() } + } +} + +fn main() {} diff --git a/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr b/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr new file mode 100644 index 00000000000..6663d7faa1e --- /dev/null +++ b/src/test/ui/impl-trait/in-trait/signature-mismatch.stderr @@ -0,0 +1,16 @@ +error: `impl` item signature doesn't match `trait` item signature + --> $DIR/signature-mismatch.rs:15:5 + | +LL | fn async_fn(&self, buff: &[u8]) -> impl Future<Output = Vec<u8>>; + | ----------------------------------------------------------------- expected `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + 'static` +... +LL | fn async_fn<'a>(&self, buff: &'a [u8]) -> impl Future<Output = Vec<u8>> + 'a { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ found `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2` + | + = note: expected `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + 'static` + found `fn(&'1 Struct, &'2 [u8]) -> impl Future<Output = Vec<u8>> + '2` + = help: the lifetime requirements from the `impl` do not correspond to the requirements in the `trait` + = help: verify the lifetime relationships in the `trait` and `impl` between the `self` argument, the other inputs and its output + +error: aborting due to previous error + diff --git a/src/test/ui/impl-trait/issue-103181-1.rs b/src/test/ui/impl-trait/issue-103181-1.rs new file mode 100644 index 00000000000..197aedf9d98 --- /dev/null +++ b/src/test/ui/impl-trait/issue-103181-1.rs @@ -0,0 +1,85 @@ +// edition:2021 + +mod hyper { + use std::{fmt::Debug, future::Future, marker::PhantomData, pin::Pin, task::Poll}; + + pub trait HttpBody { + type Error; + } + impl HttpBody for () { + //~^ ERROR not all trait items implemented, missing: `Error` + // don't implement `Error` here for the ICE + } + + pub struct Server<I, S>(I, S); + + pub fn serve<I, S>(_: S) -> Server<I, S> { + todo!() + } + + impl<S, B> Future for Server<(), S> + where + S: MakeServiceRef<(), (), ResBody = B>, + B: HttpBody, + B::Error: Debug, + { + type Output = (); + + fn poll(self: Pin<&mut Self>, _: &mut std::task::Context<'_>) -> Poll<Self::Output> { + todo!() + } + } + + pub trait MakeServiceRef<Target, ReqBody> { + type ResBody; + } + + impl<T, S> MakeServiceRef<(), ()> for T + where + T: for<'a> Service<&'a (), Response = S>, + S: Service<()>, + { + type ResBody = (); + } + + pub struct MakeServiceFn<F>(pub F); + pub struct ServiceFn<F, R>(pub PhantomData<(F, R)>); + + pub trait Service<Request> { + type Response; + } + + impl<'t, F, Ret, Target, Svc> Service<&'t Target> for MakeServiceFn<F> + where + F: Fn() -> Ret, + Ret: Future<Output = Result<Svc, ()>>, + { + type Response = Svc; + } + + impl<F, ReqBody, Ret, ResBody, E> Service<ReqBody> for ServiceFn<F, ReqBody> + where + F: Fn() -> Ret, + Ret: Future<Output = Result<ResBody, E>>, + { + type Response = ResBody; + } +} + +async fn smarvice() -> Result<(), ()> { + Ok(()) +} + +fn service_fn<F, R, S>(f: F) -> hyper::ServiceFn<F, R> +where + F: Fn() -> S, +{ + hyper::ServiceFn(std::marker::PhantomData) +} + +async fn iceice() { + let service = hyper::MakeServiceFn(|| async { Ok::<_, ()>(service_fn(|| smarvice())) }); + hyper::serve::<(), _>(service).await; +} + +fn main() {} diff --git a/src/test/ui/impl-trait/issue-103181-1.stderr b/src/test/ui/impl-trait/issue-103181-1.stderr new file mode 100644 index 00000000000..cd026607d52 --- /dev/null +++ b/src/test/ui/impl-trait/issue-103181-1.stderr @@ -0,0 +1,12 @@ +error[E0046]: not all trait items implemented, missing: `Error` + --> $DIR/issue-103181-1.rs:9:5 + | +LL | type Error; + | ---------- `Error` from trait +LL | } +LL | impl HttpBody for () { + | ^^^^^^^^^^^^^^^^^^^^ missing `Error` in implementation + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0046`. diff --git a/src/test/ui/impl-trait/issue-103181-2.rs b/src/test/ui/impl-trait/issue-103181-2.rs new file mode 100644 index 00000000000..b43ac45075e --- /dev/null +++ b/src/test/ui/impl-trait/issue-103181-2.rs @@ -0,0 +1,29 @@ +// edition:2021 + +trait SendFuture: Send { + type Output; +} + +impl<Fut: Send> SendFuture for Fut { + type Output = (); +} + +async fn broken_fut() { + ident_error; + //~^ ERROR cannot find value `ident_error` in this scope +} + +// triggers normalization of `<Fut as SendFuture>::Output`, +// which requires `Fut: Send`. +fn normalize<Fut: SendFuture>(_: Fut, _: Fut::Output) {} + +async fn iceice<A, B>() +// <- async fn is necessary +where + A: Send, + B: Send, // <- a second bound +{ + normalize(broken_fut(), ()); +} + +fn main() {} diff --git a/src/test/ui/impl-trait/issue-103181-2.stderr b/src/test/ui/impl-trait/issue-103181-2.stderr new file mode 100644 index 00000000000..5eb2dd9184b --- /dev/null +++ b/src/test/ui/impl-trait/issue-103181-2.stderr @@ -0,0 +1,9 @@ +error[E0425]: cannot find value `ident_error` in this scope + --> $DIR/issue-103181-2.rs:12:5 + | +LL | ident_error; + | ^^^^^^^^^^^ not found in this scope + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0425`. diff --git a/src/test/ui/inference/char-as-str-single.fixed b/src/test/ui/inference/char-as-str-single.fixed index e401492a830..bab1854dc51 100644 --- a/src/test/ui/inference/char-as-str-single.fixed +++ b/src/test/ui/inference/char-as-str-single.fixed @@ -8,4 +8,5 @@ fn main() { let _: char = 'a'; //~ ERROR mismatched types let _: char = '人'; //~ ERROR mismatched types + let _: char = '\''; //~ ERROR mismatched types } diff --git a/src/test/ui/inference/char-as-str-single.rs b/src/test/ui/inference/char-as-str-single.rs index 4f23cea5354..736920643b2 100644 --- a/src/test/ui/inference/char-as-str-single.rs +++ b/src/test/ui/inference/char-as-str-single.rs @@ -8,4 +8,5 @@ fn main() { let _: char = "a"; //~ ERROR mismatched types let _: char = "人"; //~ ERROR mismatched types + let _: char = "'"; //~ ERROR mismatched types } diff --git a/src/test/ui/inference/char-as-str-single.stderr b/src/test/ui/inference/char-as-str-single.stderr index 29075c15414..3375ec6ac32 100644 --- a/src/test/ui/inference/char-as-str-single.stderr +++ b/src/test/ui/inference/char-as-str-single.stderr @@ -24,6 +24,19 @@ help: if you meant to write a `char` literal, use single quotes LL | let _: char = '人'; | ~~~~ -error: aborting due to 2 previous errors +error[E0308]: mismatched types + --> $DIR/char-as-str-single.rs:11:19 + | +LL | let _: char = "'"; + | ---- ^^^ expected `char`, found `&str` + | | + | expected due to this + | +help: if you meant to write a `char` literal, use single quotes + | +LL | let _: char = '\''; + | ~~~~ + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/issues/issue-36053.rs b/src/test/ui/inference/issue-36053.rs index 5c6d0780416..5c6d0780416 100644 --- a/src/test/ui/issues/issue-36053.rs +++ b/src/test/ui/inference/issue-36053.rs diff --git a/src/test/ui/inference/str-as-char.fixed b/src/test/ui/inference/str-as-char.fixed index 09f3dec5a17..6aea809cbdb 100644 --- a/src/test/ui/inference/str-as-char.fixed +++ b/src/test/ui/inference/str-as-char.fixed @@ -4,5 +4,7 @@ // run-rustfix fn main() { - let _: &str = "a"; //~ ERROR mismatched types + let _: &str = "a"; //~ ERROR mismatched types + let _: &str = "\"\"\""; //~ ERROR character literal may only contain one codepoint + let _: &str = "\"\"\""; //~ ERROR character literal may only contain one codepoint } diff --git a/src/test/ui/inference/str-as-char.rs b/src/test/ui/inference/str-as-char.rs index 7092a612442..eaa8d788c34 100644 --- a/src/test/ui/inference/str-as-char.rs +++ b/src/test/ui/inference/str-as-char.rs @@ -4,5 +4,7 @@ // run-rustfix fn main() { - let _: &str = 'a'; //~ ERROR mismatched types + let _: &str = 'a'; //~ ERROR mismatched types + let _: &str = '"""'; //~ ERROR character literal may only contain one codepoint + let _: &str = '\"\"\"'; //~ ERROR character literal may only contain one codepoint } diff --git a/src/test/ui/inference/str-as-char.stderr b/src/test/ui/inference/str-as-char.stderr index ebbe7c80f77..2c84dac8e0c 100644 --- a/src/test/ui/inference/str-as-char.stderr +++ b/src/test/ui/inference/str-as-char.stderr @@ -1,3 +1,25 @@ +error: character literal may only contain one codepoint + --> $DIR/str-as-char.rs:8:19 + | +LL | let _: &str = '"""'; + | ^^^^^ + | +help: if you meant to write a `str` literal, use double quotes + | +LL | let _: &str = "\"\"\""; + | ~~~~~~~~ + +error: character literal may only contain one codepoint + --> $DIR/str-as-char.rs:9:19 + | +LL | let _: &str = '\"\"\"'; + | ^^^^^^^^ + | +help: if you meant to write a `str` literal, use double quotes + | +LL | let _: &str = "\"\"\""; + | ~~~~~~~~ + error[E0308]: mismatched types --> $DIR/str-as-char.rs:7:19 | @@ -11,6 +33,6 @@ help: if you meant to write a `str` literal, use double quotes LL | let _: &str = "a"; | ~~~ -error: aborting due to previous error +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/issues/issue-59488.stderr b/src/test/ui/issues/issue-59488.stderr index 08fe0b35eb7..f9846b62a72 100644 --- a/src/test/ui/issues/issue-59488.stderr +++ b/src/test/ui/issues/issue-59488.stderr @@ -99,7 +99,7 @@ LL | assert_eq!(Foo::Bar, i); extern "C" fn(A, B, C, D) -> Ret extern "C" fn(A, B, C, D, ...) -> Ret extern "C" fn(A, B, C, D, E) -> Ret - and 68 others + and 118 others = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error[E0277]: `fn(usize) -> Foo {Foo::Bar}` doesn't implement `Debug` @@ -118,7 +118,7 @@ LL | assert_eq!(Foo::Bar, i); extern "C" fn(A, B, C, D) -> Ret extern "C" fn(A, B, C, D, ...) -> Ret extern "C" fn(A, B, C, D, E) -> Ret - and 68 others + and 118 others = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 10 previous errors diff --git a/src/test/ui/let-else/let-else-non-diverging.rs b/src/test/ui/let-else/let-else-non-diverging.rs index 58d2c09776f..a5442dd82f0 100644 --- a/src/test/ui/let-else/let-else-non-diverging.rs +++ b/src/test/ui/let-else/let-else-non-diverging.rs @@ -11,7 +11,7 @@ fn main() { // Ensure that uninhabited types do not "diverge". // This might be relaxed in the future, but when it is, - // it should be an explicitly wanted descision. + // it should be an explicitly wanted decision. let Some(x) = Some(1) else { foo::<Uninhabited>() }; //~ ERROR does not diverge } diff --git a/src/test/ui/lexical-scopes.stderr b/src/test/ui/lexical-scopes.stderr index 08e4be2c0c3..53598545223 100644 --- a/src/test/ui/lexical-scopes.stderr +++ b/src/test/ui/lexical-scopes.stderr @@ -1,6 +1,8 @@ error[E0574]: expected struct, variant or union type, found type parameter `T` --> $DIR/lexical-scopes.rs:3:13 | +LL | struct T { i: i32 } + | ------------------- you might have meant to refer to this struct LL | fn f<T>() { | - found this type parameter LL | let t = T { i: 0 }; diff --git a/src/test/ui/lint/invalid_value.rs b/src/test/ui/lint/invalid_value.rs index 946a0e38861..57d8cbe7c93 100644 --- a/src/test/ui/lint/invalid_value.rs +++ b/src/test/ui/lint/invalid_value.rs @@ -44,6 +44,10 @@ enum TwoUninhabited { B(Void), } +#[rustc_layout_scalar_valid_range_start(254)] +#[rustc_layout_scalar_valid_range_end(1)] +pub(crate) struct WrapAroundRange(u8); + #[allow(unused)] fn generic<T: 'static>() { unsafe { @@ -131,6 +135,9 @@ fn main() { let _val: *const [()] = mem::zeroed(); let _val: *const [()] = mem::uninitialized(); //~ ERROR: does not permit being left uninitialized + let _val: WrapAroundRange = mem::zeroed(); + let _val: WrapAroundRange = mem::uninitialized(); //~ ERROR: does not permit being left uninitialized + // Things where 0 is okay due to rustc implementation details, // but that are not guaranteed to keep working. let _val: Result<i32, i32> = mem::zeroed(); diff --git a/src/test/ui/lint/invalid_value.stderr b/src/test/ui/lint/invalid_value.stderr index 3901692001a..76afb765f0f 100644 --- a/src/test/ui/lint/invalid_value.stderr +++ b/src/test/ui/lint/invalid_value.stderr @@ -1,5 +1,5 @@ error: the type `&T` does not permit zero-initialization - --> $DIR/invalid_value.rs:50:32 + --> $DIR/invalid_value.rs:54:32 | LL | let _val: &'static T = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -15,7 +15,7 @@ LL | #![deny(invalid_value)] | ^^^^^^^^^^^^^ error: the type `&T` does not permit being left uninitialized - --> $DIR/invalid_value.rs:51:32 + --> $DIR/invalid_value.rs:55:32 | LL | let _val: &'static T = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -26,7 +26,7 @@ LL | let _val: &'static T = mem::uninitialized(); = note: references must be non-null error: the type `Wrap<&T>` does not permit zero-initialization - --> $DIR/invalid_value.rs:53:38 + --> $DIR/invalid_value.rs:57:38 | LL | let _val: Wrap<&'static T> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -41,7 +41,7 @@ LL | struct Wrap<T> { wrapped: T } | ^^^^^^^^^^ error: the type `Wrap<&T>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:54:38 + --> $DIR/invalid_value.rs:58:38 | LL | let _val: Wrap<&'static T> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -56,7 +56,7 @@ LL | struct Wrap<T> { wrapped: T } | ^^^^^^^^^^ error: the type `!` does not permit zero-initialization - --> $DIR/invalid_value.rs:61:23 + --> $DIR/invalid_value.rs:65:23 | LL | let _val: ! = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -67,7 +67,7 @@ LL | let _val: ! = mem::zeroed(); = note: the `!` type has no valid value error: the type `!` does not permit being left uninitialized - --> $DIR/invalid_value.rs:62:23 + --> $DIR/invalid_value.rs:66:23 | LL | let _val: ! = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -78,7 +78,7 @@ LL | let _val: ! = mem::uninitialized(); = note: the `!` type has no valid value error: the type `(i32, !)` does not permit zero-initialization - --> $DIR/invalid_value.rs:64:30 + --> $DIR/invalid_value.rs:68:30 | LL | let _val: (i32, !) = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -89,7 +89,7 @@ LL | let _val: (i32, !) = mem::zeroed(); = note: the `!` type has no valid value error: the type `(i32, !)` does not permit being left uninitialized - --> $DIR/invalid_value.rs:65:30 + --> $DIR/invalid_value.rs:69:30 | LL | let _val: (i32, !) = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -100,7 +100,7 @@ LL | let _val: (i32, !) = mem::uninitialized(); = note: integers must not be uninitialized error: the type `Void` does not permit zero-initialization - --> $DIR/invalid_value.rs:67:26 + --> $DIR/invalid_value.rs:71:26 | LL | let _val: Void = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -115,7 +115,7 @@ LL | enum Void {} | ^^^^^^^^^ error: the type `Void` does not permit being left uninitialized - --> $DIR/invalid_value.rs:68:26 + --> $DIR/invalid_value.rs:72:26 | LL | let _val: Void = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -130,7 +130,7 @@ LL | enum Void {} | ^^^^^^^^^ error: the type `&i32` does not permit zero-initialization - --> $DIR/invalid_value.rs:70:34 + --> $DIR/invalid_value.rs:74:34 | LL | let _val: &'static i32 = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -141,7 +141,7 @@ LL | let _val: &'static i32 = mem::zeroed(); = note: references must be non-null error: the type `&i32` does not permit being left uninitialized - --> $DIR/invalid_value.rs:71:34 + --> $DIR/invalid_value.rs:75:34 | LL | let _val: &'static i32 = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -152,7 +152,7 @@ LL | let _val: &'static i32 = mem::uninitialized(); = note: references must be non-null error: the type `Ref` does not permit zero-initialization - --> $DIR/invalid_value.rs:73:25 + --> $DIR/invalid_value.rs:77:25 | LL | let _val: Ref = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -167,7 +167,7 @@ LL | struct Ref(&'static i32); | ^^^^^^^^^^^^ error: the type `Ref` does not permit being left uninitialized - --> $DIR/invalid_value.rs:74:25 + --> $DIR/invalid_value.rs:78:25 | LL | let _val: Ref = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -182,7 +182,7 @@ LL | struct Ref(&'static i32); | ^^^^^^^^^^^^ error: the type `fn()` does not permit zero-initialization - --> $DIR/invalid_value.rs:76:26 + --> $DIR/invalid_value.rs:80:26 | LL | let _val: fn() = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -193,7 +193,7 @@ LL | let _val: fn() = mem::zeroed(); = note: function pointers must be non-null error: the type `fn()` does not permit being left uninitialized - --> $DIR/invalid_value.rs:77:26 + --> $DIR/invalid_value.rs:81:26 | LL | let _val: fn() = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -204,7 +204,7 @@ LL | let _val: fn() = mem::uninitialized(); = note: function pointers must be non-null error: the type `Wrap<fn()>` does not permit zero-initialization - --> $DIR/invalid_value.rs:79:32 + --> $DIR/invalid_value.rs:83:32 | LL | let _val: Wrap<fn()> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -219,7 +219,7 @@ LL | struct Wrap<T> { wrapped: T } | ^^^^^^^^^^ error: the type `Wrap<fn()>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:80:32 + --> $DIR/invalid_value.rs:84:32 | LL | let _val: Wrap<fn()> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -234,7 +234,7 @@ LL | struct Wrap<T> { wrapped: T } | ^^^^^^^^^^ error: the type `WrapEnum<fn()>` does not permit zero-initialization - --> $DIR/invalid_value.rs:82:36 + --> $DIR/invalid_value.rs:86:36 | LL | let _val: WrapEnum<fn()> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -249,7 +249,7 @@ LL | enum WrapEnum<T> { Wrapped(T) } | ^ error: the type `WrapEnum<fn()>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:83:36 + --> $DIR/invalid_value.rs:87:36 | LL | let _val: WrapEnum<fn()> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -264,7 +264,7 @@ LL | enum WrapEnum<T> { Wrapped(T) } | ^ error: the type `Wrap<(RefPair, i32)>` does not permit zero-initialization - --> $DIR/invalid_value.rs:85:42 + --> $DIR/invalid_value.rs:89:42 | LL | let _val: Wrap<(RefPair, i32)> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -279,7 +279,7 @@ LL | struct RefPair((&'static i32, i32)); | ^^^^^^^^^^^^^^^^^^^ error: the type `Wrap<(RefPair, i32)>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:86:42 + --> $DIR/invalid_value.rs:90:42 | LL | let _val: Wrap<(RefPair, i32)> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -294,7 +294,7 @@ LL | struct RefPair((&'static i32, i32)); | ^^^^^^^^^^^^^^^^^^^ error: the type `NonNull<i32>` does not permit zero-initialization - --> $DIR/invalid_value.rs:88:34 + --> $DIR/invalid_value.rs:92:34 | LL | let _val: NonNull<i32> = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -305,7 +305,7 @@ LL | let _val: NonNull<i32> = mem::zeroed(); = note: `std::ptr::NonNull<i32>` must be non-null error: the type `NonNull<i32>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:89:34 + --> $DIR/invalid_value.rs:93:34 | LL | let _val: NonNull<i32> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -316,7 +316,7 @@ LL | let _val: NonNull<i32> = mem::uninitialized(); = note: `std::ptr::NonNull<i32>` must be non-null error: the type `(NonZeroU32, i32)` does not permit zero-initialization - --> $DIR/invalid_value.rs:91:39 + --> $DIR/invalid_value.rs:95:39 | LL | let _val: (NonZeroU32, i32) = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -327,7 +327,7 @@ LL | let _val: (NonZeroU32, i32) = mem::zeroed(); = note: `std::num::NonZeroU32` must be non-null error: the type `(NonZeroU32, i32)` does not permit being left uninitialized - --> $DIR/invalid_value.rs:92:39 + --> $DIR/invalid_value.rs:96:39 | LL | let _val: (NonZeroU32, i32) = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -338,7 +338,7 @@ LL | let _val: (NonZeroU32, i32) = mem::uninitialized(); = note: `std::num::NonZeroU32` must be non-null error: the type `*const dyn Send` does not permit zero-initialization - --> $DIR/invalid_value.rs:94:37 + --> $DIR/invalid_value.rs:98:37 | LL | let _val: *const dyn Send = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -349,7 +349,7 @@ LL | let _val: *const dyn Send = mem::zeroed(); = note: the vtable of a wide raw pointer must be non-null error: the type `*const dyn Send` does not permit being left uninitialized - --> $DIR/invalid_value.rs:95:37 + --> $DIR/invalid_value.rs:99:37 | LL | let _val: *const dyn Send = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -360,7 +360,7 @@ LL | let _val: *const dyn Send = mem::uninitialized(); = note: the vtable of a wide raw pointer must be non-null error: the type `[fn(); 2]` does not permit zero-initialization - --> $DIR/invalid_value.rs:97:31 + --> $DIR/invalid_value.rs:101:31 | LL | let _val: [fn(); 2] = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -371,7 +371,7 @@ LL | let _val: [fn(); 2] = mem::zeroed(); = note: function pointers must be non-null error: the type `[fn(); 2]` does not permit being left uninitialized - --> $DIR/invalid_value.rs:98:31 + --> $DIR/invalid_value.rs:102:31 | LL | let _val: [fn(); 2] = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -382,7 +382,7 @@ LL | let _val: [fn(); 2] = mem::uninitialized(); = note: function pointers must be non-null error: the type `TwoUninhabited` does not permit zero-initialization - --> $DIR/invalid_value.rs:100:36 + --> $DIR/invalid_value.rs:104:36 | LL | let _val: TwoUninhabited = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -397,7 +397,7 @@ LL | enum TwoUninhabited { | ^^^^^^^^^^^^^^^^^^^ error: the type `TwoUninhabited` does not permit being left uninitialized - --> $DIR/invalid_value.rs:101:36 + --> $DIR/invalid_value.rs:105:36 | LL | let _val: TwoUninhabited = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -412,7 +412,7 @@ LL | enum TwoUninhabited { | ^^^^^^^^^^^^^^^^^^^ error: the type `OneFruitNonZero` does not permit zero-initialization - --> $DIR/invalid_value.rs:103:37 + --> $DIR/invalid_value.rs:107:37 | LL | let _val: OneFruitNonZero = mem::zeroed(); | ^^^^^^^^^^^^^ @@ -427,7 +427,7 @@ LL | Banana(NonZeroU32), | ^^^^^^^^^^ error: the type `OneFruitNonZero` does not permit being left uninitialized - --> $DIR/invalid_value.rs:104:37 + --> $DIR/invalid_value.rs:108:37 | LL | let _val: OneFruitNonZero = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -442,7 +442,7 @@ LL | Banana(NonZeroU32), | ^^^^^^^^^^ error: the type `bool` does not permit being left uninitialized - --> $DIR/invalid_value.rs:108:26 + --> $DIR/invalid_value.rs:112:26 | LL | let _val: bool = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -453,7 +453,7 @@ LL | let _val: bool = mem::uninitialized(); = note: booleans must be either `true` or `false` error: the type `Wrap<char>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:111:32 + --> $DIR/invalid_value.rs:115:32 | LL | let _val: Wrap<char> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -468,7 +468,7 @@ LL | struct Wrap<T> { wrapped: T } | ^^^^^^^^^^ error: the type `NonBig` does not permit being left uninitialized - --> $DIR/invalid_value.rs:114:28 + --> $DIR/invalid_value.rs:118:28 | LL | let _val: NonBig = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -479,7 +479,7 @@ LL | let _val: NonBig = mem::uninitialized(); = note: `NonBig` must be initialized inside its custom valid range error: the type `Fruit` does not permit being left uninitialized - --> $DIR/invalid_value.rs:117:27 + --> $DIR/invalid_value.rs:121:27 | LL | let _val: Fruit = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -494,7 +494,7 @@ LL | enum Fruit { | ^^^^^^^^^^ error: the type `[bool; 2]` does not permit being left uninitialized - --> $DIR/invalid_value.rs:120:31 + --> $DIR/invalid_value.rs:124:31 | LL | let _val: [bool; 2] = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -505,7 +505,7 @@ LL | let _val: [bool; 2] = mem::uninitialized(); = note: booleans must be either `true` or `false` error: the type `i32` does not permit being left uninitialized - --> $DIR/invalid_value.rs:123:25 + --> $DIR/invalid_value.rs:127:25 | LL | let _val: i32 = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -516,7 +516,7 @@ LL | let _val: i32 = mem::uninitialized(); = note: integers must not be uninitialized error: the type `f32` does not permit being left uninitialized - --> $DIR/invalid_value.rs:126:25 + --> $DIR/invalid_value.rs:130:25 | LL | let _val: f32 = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -527,7 +527,7 @@ LL | let _val: f32 = mem::uninitialized(); = note: floats must not be uninitialized error: the type `*const ()` does not permit being left uninitialized - --> $DIR/invalid_value.rs:129:31 + --> $DIR/invalid_value.rs:133:31 | LL | let _val: *const () = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -538,7 +538,7 @@ LL | let _val: *const () = mem::uninitialized(); = note: raw pointers must not be uninitialized error: the type `*const [()]` does not permit being left uninitialized - --> $DIR/invalid_value.rs:132:33 + --> $DIR/invalid_value.rs:136:33 | LL | let _val: *const [()] = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -548,8 +548,19 @@ LL | let _val: *const [()] = mem::uninitialized(); | = note: raw pointers must not be uninitialized +error: the type `WrapAroundRange` does not permit being left uninitialized + --> $DIR/invalid_value.rs:139:37 + | +LL | let _val: WrapAroundRange = mem::uninitialized(); + | ^^^^^^^^^^^^^^^^^^^^ + | | + | this code causes undefined behavior when executed + | help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done + | + = note: `WrapAroundRange` must be initialized inside its custom valid range + error: the type `Result<i32, i32>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:137:38 + --> $DIR/invalid_value.rs:144:38 | LL | let _val: Result<i32, i32> = mem::uninitialized(); | ^^^^^^^^^^^^^^^^^^^^ @@ -564,7 +575,7 @@ LL | pub enum Result<T, E> { | ^^^^^^^^^^^^^^^^^^^^^ error: the type `&i32` does not permit zero-initialization - --> $DIR/invalid_value.rs:145:34 + --> $DIR/invalid_value.rs:152:34 | LL | let _val: &'static i32 = mem::transmute(0usize); | ^^^^^^^^^^^^^^^^^^^^^^ @@ -575,7 +586,7 @@ LL | let _val: &'static i32 = mem::transmute(0usize); = note: references must be non-null error: the type `&[i32]` does not permit zero-initialization - --> $DIR/invalid_value.rs:146:36 + --> $DIR/invalid_value.rs:153:36 | LL | let _val: &'static [i32] = mem::transmute((0usize, 0usize)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -586,7 +597,7 @@ LL | let _val: &'static [i32] = mem::transmute((0usize, 0usize)); = note: references must be non-null error: the type `NonZeroU32` does not permit zero-initialization - --> $DIR/invalid_value.rs:147:32 + --> $DIR/invalid_value.rs:154:32 | LL | let _val: NonZeroU32 = mem::transmute(0); | ^^^^^^^^^^^^^^^^^ @@ -597,7 +608,7 @@ LL | let _val: NonZeroU32 = mem::transmute(0); = note: `std::num::NonZeroU32` must be non-null error: the type `NonNull<i32>` does not permit zero-initialization - --> $DIR/invalid_value.rs:150:34 + --> $DIR/invalid_value.rs:157:34 | LL | let _val: NonNull<i32> = MaybeUninit::zeroed().assume_init(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -608,7 +619,7 @@ LL | let _val: NonNull<i32> = MaybeUninit::zeroed().assume_init(); = note: `std::ptr::NonNull<i32>` must be non-null error: the type `NonNull<i32>` does not permit being left uninitialized - --> $DIR/invalid_value.rs:151:34 + --> $DIR/invalid_value.rs:158:34 | LL | let _val: NonNull<i32> = MaybeUninit::uninit().assume_init(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -619,7 +630,7 @@ LL | let _val: NonNull<i32> = MaybeUninit::uninit().assume_init(); = note: `std::ptr::NonNull<i32>` must be non-null error: the type `bool` does not permit being left uninitialized - --> $DIR/invalid_value.rs:152:26 + --> $DIR/invalid_value.rs:159:26 | LL | let _val: bool = MaybeUninit::uninit().assume_init(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -629,5 +640,5 @@ LL | let _val: bool = MaybeUninit::uninit().assume_init(); | = note: booleans must be either `true` or `false` -error: aborting due to 50 previous errors +error: aborting due to 51 previous errors diff --git a/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr b/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr index 3f366bedbf3..2cc4d382d9d 100644 --- a/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr +++ b/src/test/ui/lint/lint-incoherent-auto-trait-objects.stderr @@ -37,3 +37,45 @@ LL | impl Foo for dyn Send + Sync + Send {} error: aborting due to 3 previous errors +Future incompatibility report: Future breakage diagnostic: +error: conflicting implementations of trait `Foo` for type `(dyn std::marker::Send + 'static)`: (E0119) + --> $DIR/lint-incoherent-auto-trait-objects.rs:5:1 + | +LL | impl Foo for dyn Send {} + | --------------------- first implementation here +LL | +LL | impl Foo for dyn Send + Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> + = note: `#[deny(order_dependent_trait_objects)]` on by default + +Future breakage diagnostic: +error: conflicting implementations of trait `Foo` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/lint-incoherent-auto-trait-objects.rs:11:1 + | +LL | impl Foo for dyn Send + Sync {} + | ---------------------------- first implementation here +LL | +LL | impl Foo for dyn Sync + Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> + = note: `#[deny(order_dependent_trait_objects)]` on by default + +Future breakage diagnostic: +error: conflicting implementations of trait `Foo` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/lint-incoherent-auto-trait-objects.rs:15:1 + | +LL | impl Foo for dyn Sync + Send {} + | ---------------------------- first implementation here +... +LL | impl Foo for dyn Send + Sync + Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> + = note: `#[deny(order_dependent_trait_objects)]` on by default + diff --git a/src/test/ui/lint/unused/unused-supertrait.rs b/src/test/ui/lint/unused/unused-supertrait.rs new file mode 100644 index 00000000000..64a8e520457 --- /dev/null +++ b/src/test/ui/lint/unused/unused-supertrait.rs @@ -0,0 +1,11 @@ +#![deny(unused_must_use)] + +fn it() -> impl ExactSizeIterator<Item = ()> { + let x: Box<dyn ExactSizeIterator<Item = ()>> = todo!(); + x +} + +fn main() { + it(); + //~^ ERROR unused implementer of `Iterator` that must be used +} diff --git a/src/test/ui/lint/unused/unused-supertrait.stderr b/src/test/ui/lint/unused/unused-supertrait.stderr new file mode 100644 index 00000000000..d2f8c007848 --- /dev/null +++ b/src/test/ui/lint/unused/unused-supertrait.stderr @@ -0,0 +1,15 @@ +error: unused implementer of `Iterator` that must be used + --> $DIR/unused-supertrait.rs:9:5 + | +LL | it(); + | ^^^^^ + | + = note: iterators are lazy and do nothing unless consumed +note: the lint level is defined here + --> $DIR/unused-supertrait.rs:1:9 + | +LL | #![deny(unused_must_use)] + | ^^^^^^^^^^^^^^^ + +error: aborting due to previous error + diff --git a/src/test/ui/macros/macro-context.stderr b/src/test/ui/macros/macro-context.stderr index 2a2e0c6c66a..f597c398b7c 100644 --- a/src/test/ui/macros/macro-context.stderr +++ b/src/test/ui/macros/macro-context.stderr @@ -57,7 +57,7 @@ error[E0425]: cannot find value `i` in this scope --> $DIR/macro-context.rs:3:13 | LL | () => ( i ; typeof ); - | ^ help: a local variable with a similar name exists: `a` + | ^ not found in this scope ... LL | let i = m!(); | ---- in this macro invocation diff --git a/src/test/ui/parser/issue-103143.rs b/src/test/ui/parser/issue-103143.rs new file mode 100644 index 00000000000..a584274c405 --- /dev/null +++ b/src/test/ui/parser/issue-103143.rs @@ -0,0 +1,5 @@ +fn main() { + x::<#[a]y::<z>> + //~^ ERROR invalid const generic expression + //~| ERROR cannot find value `x` in this scope +} diff --git a/src/test/ui/parser/issue-103143.stderr b/src/test/ui/parser/issue-103143.stderr new file mode 100644 index 00000000000..4035c69afa7 --- /dev/null +++ b/src/test/ui/parser/issue-103143.stderr @@ -0,0 +1,20 @@ +error: invalid const generic expression + --> $DIR/issue-103143.rs:2:13 + | +LL | x::<#[a]y::<z>> + | ^^^^^^ + | +help: expressions must be enclosed in braces to be used as const generic arguments + | +LL | x::<#[a]{ y::<z> }> + | + + + +error[E0425]: cannot find value `x` in this scope + --> $DIR/issue-103143.rs:2:5 + | +LL | x::<#[a]y::<z>> + | ^ not found in this scope + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0425`. diff --git a/src/test/ui/parser/issues/issue-93282.rs b/src/test/ui/parser/issues/issue-93282.rs index 261fcb5f918..274245f1a46 100644 --- a/src/test/ui/parser/issues/issue-93282.rs +++ b/src/test/ui/parser/issues/issue-93282.rs @@ -12,4 +12,5 @@ fn foo() { let x = 1; bar('y, x); //~^ ERROR expected + //~| ERROR mismatched types } diff --git a/src/test/ui/parser/issues/issue-93282.stderr b/src/test/ui/parser/issues/issue-93282.stderr index ee554784b3a..c6140bb821e 100644 --- a/src/test/ui/parser/issues/issue-93282.stderr +++ b/src/test/ui/parser/issues/issue-93282.stderr @@ -3,6 +3,11 @@ error: expected `while`, `for`, `loop` or `{` after a label | LL | f<'a,> | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | f<'a',> + | + error: expected one of `.`, `:`, `;`, `?`, `for`, `loop`, `while`, `}`, or an operator, found `,` --> $DIR/issue-93282.rs:2:9 @@ -20,6 +25,26 @@ error: expected `while`, `for`, `loop` or `{` after a label | LL | bar('y, x); | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | bar('y', x); + | + + +error[E0308]: mismatched types + --> $DIR/issue-93282.rs:13:9 + | +LL | bar('y, x); + | --- ^^ expected `usize`, found `char` + | | + | arguments to this function are incorrect + | +note: function defined here + --> $DIR/issue-93282.rs:7:4 + | +LL | fn bar(a: usize, b: usize) -> usize { + | ^^^ -------- -error: aborting due to 3 previous errors +error: aborting due to 4 previous errors +For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/parser/label-is-actually-char.rs b/src/test/ui/parser/label-is-actually-char.rs new file mode 100644 index 00000000000..183da603da4 --- /dev/null +++ b/src/test/ui/parser/label-is-actually-char.rs @@ -0,0 +1,16 @@ +fn main() { + let c = 'a; + //~^ ERROR expected `while`, `for`, `loop` or `{` after a label + //~| HELP add `'` to close the char literal + match c { + 'a'..='b => {} + //~^ ERROR unexpected token: `'b` + //~| HELP add `'` to close the char literal + _ => {} + } + let x = ['a, 'b]; + //~^ ERROR expected `while`, `for`, `loop` or `{` after a label + //~| ERROR expected `while`, `for`, `loop` or `{` after a label + //~| HELP add `'` to close the char literal + //~| HELP add `'` to close the char literal +} diff --git a/src/test/ui/parser/label-is-actually-char.stderr b/src/test/ui/parser/label-is-actually-char.stderr new file mode 100644 index 00000000000..28c8d2ada3a --- /dev/null +++ b/src/test/ui/parser/label-is-actually-char.stderr @@ -0,0 +1,46 @@ +error: expected `while`, `for`, `loop` or `{` after a label + --> $DIR/label-is-actually-char.rs:2:15 + | +LL | let c = 'a; + | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | let c = 'a'; + | + + +error: unexpected token: `'b` + --> $DIR/label-is-actually-char.rs:6:15 + | +LL | 'a'..='b => {} + | ^^ + | +help: add `'` to close the char literal + | +LL | 'a'..='b' => {} + | + + +error: expected `while`, `for`, `loop` or `{` after a label + --> $DIR/label-is-actually-char.rs:11:16 + | +LL | let x = ['a, 'b]; + | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | let x = ['a', 'b]; + | + + +error: expected `while`, `for`, `loop` or `{` after a label + --> $DIR/label-is-actually-char.rs:11:20 + | +LL | let x = ['a, 'b]; + | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | let x = ['a, 'b']; + | + + +error: aborting due to 4 previous errors + diff --git a/src/test/ui/parser/numeric-lifetime.stderr b/src/test/ui/parser/numeric-lifetime.stderr index 73a828952b2..7c1bcb72631 100644 --- a/src/test/ui/parser/numeric-lifetime.stderr +++ b/src/test/ui/parser/numeric-lifetime.stderr @@ -1,3 +1,11 @@ +error[E0308]: mismatched types + --> $DIR/numeric-lifetime.rs:6:20 + | +LL | let x: usize = ""; + | ----- ^^ expected `usize`, found `&str` + | | + | expected due to this + error: lifetimes cannot start with a number --> $DIR/numeric-lifetime.rs:1:10 | @@ -10,14 +18,6 @@ error: lifetimes cannot start with a number LL | struct S<'1> { s: &'1 usize } | ^^ -error[E0308]: mismatched types - --> $DIR/numeric-lifetime.rs:6:20 - | -LL | let x: usize = ""; - | ----- ^^ expected `usize`, found `&str` - | | - | expected due to this - error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/src/test/ui/parser/require-parens-for-chained-comparison.rs b/src/test/ui/parser/require-parens-for-chained-comparison.rs index f29fd7a5472..5b90e905a64 100644 --- a/src/test/ui/parser/require-parens-for-chained-comparison.rs +++ b/src/test/ui/parser/require-parens-for-chained-comparison.rs @@ -23,11 +23,13 @@ fn main() { //~^ ERROR expected one of //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments //~| ERROR expected + //~| HELP add `'` to close the char literal f<'_>(); //~^ comparison operators cannot be chained //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments //~| ERROR expected + //~| HELP add `'` to close the char literal let _ = f<u8>; //~^ ERROR comparison operators cannot be chained diff --git a/src/test/ui/parser/require-parens-for-chained-comparison.stderr b/src/test/ui/parser/require-parens-for-chained-comparison.stderr index 0bf52854ec2..52e201c435c 100644 --- a/src/test/ui/parser/require-parens-for-chained-comparison.stderr +++ b/src/test/ui/parser/require-parens-for-chained-comparison.stderr @@ -58,6 +58,11 @@ error: expected `while`, `for`, `loop` or `{` after a label | LL | let _ = f<'_, i8>(); | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | let _ = f<'_', i8>(); + | + error: expected one of `.`, `:`, `;`, `?`, `else`, `for`, `loop`, `while`, or an operator, found `,` --> $DIR/require-parens-for-chained-comparison.rs:22:17 @@ -71,13 +76,18 @@ LL | let _ = f::<'_, i8>(); | ++ error: expected `while`, `for`, `loop` or `{` after a label - --> $DIR/require-parens-for-chained-comparison.rs:27:9 + --> $DIR/require-parens-for-chained-comparison.rs:28:9 | LL | f<'_>(); | ^ expected `while`, `for`, `loop` or `{` after a label + | +help: add `'` to close the char literal + | +LL | f<'_'>(); + | + error: comparison operators cannot be chained - --> $DIR/require-parens-for-chained-comparison.rs:27:6 + --> $DIR/require-parens-for-chained-comparison.rs:28:6 | LL | f<'_>(); | ^ ^ @@ -88,7 +98,7 @@ LL | f::<'_>(); | ++ error: comparison operators cannot be chained - --> $DIR/require-parens-for-chained-comparison.rs:32:14 + --> $DIR/require-parens-for-chained-comparison.rs:34:14 | LL | let _ = f<u8>; | ^ ^ diff --git a/src/test/ui/parser/semi-after-closure-in-macro.rs b/src/test/ui/parser/semi-after-closure-in-macro.rs new file mode 100644 index 00000000000..14efb6100b0 --- /dev/null +++ b/src/test/ui/parser/semi-after-closure-in-macro.rs @@ -0,0 +1,14 @@ +// check-pass + +// Checks that the fix in #103222 doesn't also disqualify semicolons after +// closures within parentheses *in macros*, where they're totally allowed. + +macro_rules! m { + (($expr:expr ; )) => { + $expr + }; +} + +fn main() { + let x = m!(( ||() ; )); +} diff --git a/src/test/ui/privacy/access_levels.rs b/src/test/ui/privacy/access_levels.rs index cc074a4f958..42c9975bedb 100644 --- a/src/test/ui/privacy/access_levels.rs +++ b/src/test/ui/privacy/access_levels.rs @@ -70,5 +70,6 @@ mod half_public_import { #[rustc_effective_visibility] pub use half_public_import::HalfPublicImport; //~ ERROR Public: pub, Exported: pub, Reachable: pub, ReachableFromImplTrait: pub + //~^ ERROR Public: pub, Exported: pub, Reachable: pub, ReachableFromImplTrait: pub fn main() {} diff --git a/src/test/ui/privacy/access_levels.stderr b/src/test/ui/privacy/access_levels.stderr index 19199a3eb87..111e02bc329 100644 --- a/src/test/ui/privacy/access_levels.stderr +++ b/src/test/ui/privacy/access_levels.stderr @@ -112,6 +112,12 @@ error: Public: pub, Exported: pub, Reachable: pub, ReachableFromImplTrait: pub LL | pub use half_public_import::HalfPublicImport; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +error: Public: pub, Exported: pub, Reachable: pub, ReachableFromImplTrait: pub + --> $DIR/access_levels.rs:72:9 + | +LL | pub use half_public_import::HalfPublicImport; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + error: Public: pub(crate), Exported: pub, Reachable: pub, ReachableFromImplTrait: pub --> $DIR/access_levels.rs:14:13 | @@ -124,5 +130,5 @@ error: Public: pub(crate), Exported: pub, Reachable: pub, ReachableFromImplTrait LL | type B; | ^^^^^^ -error: aborting due to 21 previous errors +error: aborting due to 22 previous errors diff --git a/src/test/ui/proc-macro/gen-macro-rules-hygiene.stderr b/src/test/ui/proc-macro/gen-macro-rules-hygiene.stderr index 6060f872f22..df7c4f72eb0 100644 --- a/src/test/ui/proc-macro/gen-macro-rules-hygiene.stderr +++ b/src/test/ui/proc-macro/gen-macro-rules-hygiene.stderr @@ -13,7 +13,7 @@ error[E0425]: cannot find value `local_use` in this scope --> $DIR/gen-macro-rules-hygiene.rs:12:1 | LL | gen_macro_rules!(); - | ^^^^^^^^^^^^^^^^^^ not found in this scope + | ^^^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `local_def` ... LL | generated!(); | ------------ in this macro invocation @@ -24,7 +24,7 @@ error[E0425]: cannot find value `local_def` in this scope --> $DIR/gen-macro-rules-hygiene.rs:21:9 | LL | local_def; - | ^^^^^^^^^ not found in this scope + | ^^^^^^^^^ help: a local variable with a similar name exists: `local_use` error: aborting due to 3 previous errors diff --git a/src/test/ui/proc-macro/issue-73933-procedural-masquerade.rs b/src/test/ui/proc-macro/issue-73933-procedural-masquerade.rs index 0c1c51c01a8..a573c6e1c0b 100644 --- a/src/test/ui/proc-macro/issue-73933-procedural-masquerade.rs +++ b/src/test/ui/proc-macro/issue-73933-procedural-masquerade.rs @@ -1,18 +1,11 @@ // aux-build:test-macros.rs +// check-pass #[macro_use] extern crate test_macros; #[derive(Print)] enum ProceduralMasqueradeDummyType { -//~^ ERROR using -//~| WARN this was previously -//~| ERROR using -//~| WARN this was previously -//~| ERROR using -//~| WARN this was previously -//~| ERROR using -//~| WARN this was previously Input } diff --git a/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stderr b/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stderr deleted file mode 100644 index ebb8e825e6a..00000000000 --- a/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stderr +++ /dev/null @@ -1,91 +0,0 @@ -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - = note: `#[deny(proc_macro_back_compat)]` on by default - -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - -error: aborting due to 4 previous errors - -Future incompatibility report: Future breakage diagnostic: -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - = note: `#[deny(proc_macro_back_compat)]` on by default - -Future breakage diagnostic: -error: using `procedural-masquerade` crate - --> $DIR/issue-73933-procedural-masquerade.rs:7:6 - | -LL | enum ProceduralMasqueradeDummyType { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> - = note: The `procedural-masquerade` crate has been unnecessary since Rust 1.30.0. Versions of this crate below 0.1.7 will eventually stop compiling. - = note: `#[deny(proc_macro_back_compat)]` on by default - diff --git a/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stdout b/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stdout index 50334589d0b..8cd981e03f1 100644 --- a/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stdout +++ b/src/test/ui/proc-macro/issue-73933-procedural-masquerade.stdout @@ -1,22 +1,21 @@ -PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } -PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } +PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input } PRINT-DERIVE INPUT (DEBUG): TokenStream [ Ident { ident: "enum", - span: #0 bytes(86..90), + span: #0 bytes(100..104), }, Ident { ident: "ProceduralMasqueradeDummyType", - span: #0 bytes(91..120), + span: #0 bytes(105..134), }, Group { delimiter: Brace, stream: TokenStream [ Ident { ident: "Input", - span: #0 bytes(315..320), + span: #0 bytes(141..146), }, ], - span: #0 bytes(121..322), + span: #0 bytes(135..148), }, ] diff --git a/src/test/ui/proc-macro/mixed-site-span.stderr b/src/test/ui/proc-macro/mixed-site-span.stderr index eab4317ded8..13786080124 100644 --- a/src/test/ui/proc-macro/mixed-site-span.stderr +++ b/src/test/ui/proc-macro/mixed-site-span.stderr @@ -10,7 +10,7 @@ error[E0425]: cannot find value `local_use` in this scope --> $DIR/mixed-site-span.rs:13:9 | LL | proc_macro_rules!(); - | ^^^^^^^^^^^^^^^^^^^ not found in this scope + | ^^^^^^^^^^^^^^^^^^^ help: a local variable with a similar name exists: `local_def` | = note: this error originates in the macro `proc_macro_rules` (in Nightly builds, run with -Z macro-backtrace for more info) @@ -18,7 +18,7 @@ error[E0425]: cannot find value `local_def` in this scope --> $DIR/mixed-site-span.rs:17:9 | LL | local_def; - | ^^^^^^^^^ not found in this scope + | ^^^^^^^^^ help: a local variable with a similar name exists: `local_use` error[E0412]: cannot find type `ItemUse` in crate `$crate` --> $DIR/mixed-site-span.rs:24:1 diff --git a/src/test/ui/proc-macro/pretty-print-hack-hide.rs b/src/test/ui/proc-macro/pretty-print-hack-hide.rs new file mode 100644 index 00000000000..f53e8fe8252 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack-hide.rs @@ -0,0 +1,12 @@ +// aux-build:test-macros.rs +// compile-flags: -Z span-debug +// check-pass + +#![no_std] // Don't load unnecessary hygiene information from std +extern crate std; + +#[macro_use] extern crate test_macros; + +include!("pretty-print-hack/rental-0.5.6/src/lib.rs"); + +fn main() {} diff --git a/src/test/ui/proc-macro/pretty-print-hack-hide.stdout b/src/test/ui/proc-macro/pretty-print-hack-hide.stdout new file mode 100644 index 00000000000..ea796bb2697 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack-hide.stdout @@ -0,0 +1,21 @@ +PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: $DIR/pretty-print-hack/rental-0.5.6/src/lib.rs:4:1: 4:5 (#0), + }, + Ident { + ident: "ProceduralMasqueradeDummyType", + span: $DIR/pretty-print-hack/rental-0.5.6/src/lib.rs:4:6: 4:35 (#0), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "Input", + span: $DIR/pretty-print-hack/rental-0.5.6/src/lib.rs:13:5: 13:10 (#0), + }, + ], + span: $DIR/pretty-print-hack/rental-0.5.6/src/lib.rs:4:36: 14:2 (#0), + }, +] diff --git a/src/test/ui/proc-macro/pretty-print-hack-show.rs b/src/test/ui/proc-macro/pretty-print-hack-show.rs new file mode 100644 index 00000000000..9b1899e4922 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack-show.rs @@ -0,0 +1,17 @@ +// aux-build:test-macros.rs +// compile-flags: -Z span-debug + +#![no_std] // Don't load unnecessary hygiene information from std +extern crate std; + +#[macro_use] extern crate test_macros; + +mod first { + include!("pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs"); +} + +mod second { + include!("pretty-print-hack/rental-0.5.5/src/lib.rs"); +} + +fn main() {} diff --git a/src/test/ui/proc-macro/pretty-print-hack-show.stderr b/src/test/ui/proc-macro/pretty-print-hack-show.stderr new file mode 100644 index 00000000000..873054927c9 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack-show.stderr @@ -0,0 +1,179 @@ +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + +error: aborting due to 8 previous errors + +Future incompatibility report: Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + +Future breakage diagnostic: +error: using an old version of `rental` + --> $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6 + | +LL | enum ProceduralMasqueradeDummyType { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = 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 #83125 <https://github.com/rust-lang/rust/issues/83125> + = note: older versions of the `rental` crate will stop compiling in future versions of Rust; please update to `rental` v0.5.6, or switch to one of the `rental` alternatives + = note: `#[deny(proc_macro_back_compat)]` on by default + diff --git a/src/test/ui/proc-macro/pretty-print-hack-show.stdout b/src/test/ui/proc-macro/pretty-print-hack-show.stdout new file mode 100644 index 00000000000..3d793d2a014 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack-show.stdout @@ -0,0 +1,44 @@ +PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } +PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:1: 4:5 (#0), + }, + Ident { + ident: "ProceduralMasqueradeDummyType", + span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:6: 4:35 (#0), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "Input", + span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:13:5: 13:10 (#0), + }, + ], + span: $DIR/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs:4:36: 14:2 (#0), + }, +] +PRINT-DERIVE INPUT (DISPLAY): enum ProceduralMasqueradeDummyType { Input, } +PRINT-DERIVE RE-COLLECTED (DISPLAY): enum ProceduralMasqueradeDummyType { Input } +PRINT-DERIVE INPUT (DEBUG): TokenStream [ + Ident { + ident: "enum", + span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:1: 4:5 (#0), + }, + Ident { + ident: "ProceduralMasqueradeDummyType", + span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:6: 4:35 (#0), + }, + Group { + delimiter: Brace, + stream: TokenStream [ + Ident { + ident: "Input", + span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:13:5: 13:10 (#0), + }, + ], + span: $DIR/pretty-print-hack/rental-0.5.5/src/lib.rs:4:36: 14:2 (#0), + }, +] diff --git a/src/test/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs b/src/test/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs new file mode 100644 index 00000000000..9501980fa55 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs @@ -0,0 +1,14 @@ +// ignore-test + +#[derive(Print)] +enum ProceduralMasqueradeDummyType { +//~^ ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously + Input +} diff --git a/src/test/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs b/src/test/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs new file mode 100644 index 00000000000..9501980fa55 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs @@ -0,0 +1,14 @@ +// ignore-test + +#[derive(Print)] +enum ProceduralMasqueradeDummyType { +//~^ ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously + Input +} diff --git a/src/test/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs b/src/test/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs new file mode 100644 index 00000000000..9501980fa55 --- /dev/null +++ b/src/test/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs @@ -0,0 +1,14 @@ +// ignore-test + +#[derive(Print)] +enum ProceduralMasqueradeDummyType { +//~^ ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously +//~| ERROR using +//~| WARN this was previously + Input +} diff --git a/src/test/ui/query-visibility.rs b/src/test/ui/query-visibility.rs new file mode 100644 index 00000000000..09a289d85da --- /dev/null +++ b/src/test/ui/query-visibility.rs @@ -0,0 +1,9 @@ +// check-pass +// Check that it doesn't panic when `Input` gets its visibility checked. + +#![crate_type = "lib"] + +pub trait Layer< + /// Hello. + Input, +> {} diff --git a/src/test/ui/resolve/issue-14254.stderr b/src/test/ui/resolve/issue-14254.stderr index c848014ad8f..690a40f7edd 100644 --- a/src/test/ui/resolve/issue-14254.stderr +++ b/src/test/ui/resolve/issue-14254.stderr @@ -26,7 +26,12 @@ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:36:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find value `b` in this scope --> $DIR/issue-14254.rs:38:9 @@ -56,7 +61,12 @@ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:53:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find value `b` in this scope --> $DIR/issue-14254.rs:55:9 @@ -68,31 +78,56 @@ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:64:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:73:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:82:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:91:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find value `bah` in this scope --> $DIR/issue-14254.rs:100:9 | LL | bah; - | ^^^ help: you might have meant to call the associated function: `Self::bah` + | ^^^ + | +help: you might have meant to refer to the associated function + | +LL | Self::bah; + | ~~~~~~~~~ error[E0425]: cannot find function `baz` in this scope --> $DIR/issue-14254.rs:19:9 diff --git a/src/test/ui/resolve/point-at-type-parameter-shadowing-another-type.stderr b/src/test/ui/resolve/point-at-type-parameter-shadowing-another-type.stderr index af9f4612ab3..eb26cd9cabb 100644 --- a/src/test/ui/resolve/point-at-type-parameter-shadowing-another-type.stderr +++ b/src/test/ui/resolve/point-at-type-parameter-shadowing-another-type.stderr @@ -1,11 +1,16 @@ error[E0574]: expected struct, variant or union type, found type parameter `Baz` --> $DIR/point-at-type-parameter-shadowing-another-type.rs:16:13 | -LL | impl<Baz> Foo<Baz> for Bar { - | --- found this type parameter +LL | / struct Baz { +LL | | num: usize, +LL | | } + | |_- you might have meant to refer to this struct +LL | +LL | impl<Baz> Foo<Baz> for Bar { + | --- found this type parameter ... -LL | Baz { num } => num, - | ^^^ not a struct, variant or union type +LL | Baz { num } => num, + | ^^^ not a struct, variant or union type error: aborting due to previous error diff --git a/src/test/ui/resolve/resolve-assoc-suggestions.stderr b/src/test/ui/resolve/resolve-assoc-suggestions.stderr index b6acaeb8cc2..8def9aa2025 100644 --- a/src/test/ui/resolve/resolve-assoc-suggestions.stderr +++ b/src/test/ui/resolve/resolve-assoc-suggestions.stderr @@ -50,7 +50,7 @@ error[E0425]: cannot find value `method` in this scope --> $DIR/resolve-assoc-suggestions.rs:34:9 | LL | method; - | ^^^^^^ help: you might have meant to call the method: `self.method` + | ^^^^^^ help: you might have meant to refer to the method: `self.method` error: aborting due to 9 previous errors diff --git a/src/test/ui/resolve/typo-suggestion-for-variable-with-name-similar-to-struct-field.stderr b/src/test/ui/resolve/typo-suggestion-for-variable-with-name-similar-to-struct-field.stderr index 2764e1f8132..f32e0404e46 100644 --- a/src/test/ui/resolve/typo-suggestion-for-variable-with-name-similar-to-struct-field.stderr +++ b/src/test/ui/resolve/typo-suggestion-for-variable-with-name-similar-to-struct-field.stderr @@ -40,7 +40,7 @@ LL | bah; LL | fn ba() {} | ------- similarly named function `ba` defined here | -help: you might have meant to call the associated function +help: you might have meant to refer to the associated function | LL | Self::bah; | ~~~~~~~~~ diff --git a/src/test/ui/issues/issue-64620.rs b/src/test/ui/return/issue-64620.rs index a62e5bf8d3c..a62e5bf8d3c 100644 --- a/src/test/ui/issues/issue-64620.rs +++ b/src/test/ui/return/issue-64620.rs diff --git a/src/test/ui/issues/issue-64620.stderr b/src/test/ui/return/issue-64620.stderr index f40ac4de32d..f40ac4de32d 100644 --- a/src/test/ui/issues/issue-64620.stderr +++ b/src/test/ui/return/issue-64620.stderr diff --git a/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr b/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr index ce2425010ad..89177b0f1ac 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/assoc-type.stderr @@ -15,10 +15,6 @@ note: required by a bound in `Foo::Bar` | LL | type Bar: ~const std::ops::Add; | ^^^^^^^^^^^^^^^^^^^^ required by this bound in `Foo::Bar` -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | impl const Foo for NonConstAdd where NonConstAdd: ~const Add { - | +++++++++++++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr b/src/test/ui/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr index d9ad8043153..7350909ba8e 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/call-const-trait-method-fail.stderr @@ -9,10 +9,6 @@ note: the trait `Plus` is implemented for `u32`, but that implementation is not | LL | a.plus(b) | ^^^^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | pub const fn add_u32(a: u32, b: u32) -> u32 where u32: ~const Plus { - | ++++++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-fail.stderr b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-fail.stderr index 83d395dda19..31e6dbdab22 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-fail.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/call-generic-method-fail.stderr @@ -9,7 +9,6 @@ note: the trait `PartialEq<_>` is implemented for `T`, but that implementation i | LL | *t == *t | ^^ - = help: the trait `PartialEq<&B>` is implemented for `&A` error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr index fddc8d37f2f..c64930db9be 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-default-method-bodies.stderr @@ -11,10 +11,6 @@ note: the trait `ConstDefaultFn` is implemented for `NonConstImpl`, but that imp | LL | NonConstImpl.a(); | ^^^^^^^^^^^^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | const fn test() where NonConstImpl: ~const ConstDefaultFn { - | +++++++++++++++++++++++++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr index ddf0e2d91c0..796c0d388ea 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.precise.stderr @@ -45,34 +45,55 @@ note: required by a bound in `check` LL | const fn check<T: ~const Destruct>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `check` -error[E0277]: the trait bound `ConstDropImplWithBounds<NonTrivialDrop>: ~const Destruct` is not satisfied +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail.rs:48:47 + | +LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), + | ----------------------------------------- ^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | | + | required by a bound introduced by this call + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail.rs:48:47 + | +LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), + | ^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail.rs:27:35 + | +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail.rs:48:5 + | +LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` --> $DIR/const-drop-fail.rs:48:5 | -LL | const _: () = check($exp); - | ----- required by a bound introduced by this call -... LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `ConstDropImplWithBounds<NonTrivialDrop>` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail.rs:27:35 | -note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` - --> $DIR/const-drop-fail.rs:29:25 +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0367]: `Drop` impl requires `T: ~const A` but the struct it is implemented for does not + --> $DIR/const-drop-fail.rs:55:9 | -LL | impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { - | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: 1 redundant requirement hidden - = note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` -note: required by a bound in `check` - --> $DIR/const-drop-fail.rs:35:19 +LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { + | ^^^^^^^^ | -LL | const fn check<T: ~const Destruct>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `check` -help: consider borrowing here +note: the implementor must specify the same requirement + --> $DIR/const-drop-fail.rs:53:1 | -LL | &ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | + -LL | &mut ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ++++ +LL | struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0367. +For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs index 565e2c77ac5..d36c7f81ced 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs +++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.rs @@ -24,7 +24,7 @@ trait A { fn a() { } } impl A for NonTrivialDrop {} -struct ConstDropImplWithBounds<T: A>(PhantomData<T>); +struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { fn drop(&mut self) { @@ -47,6 +47,16 @@ check_all! { //~^ ERROR can't drop ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), //~^ ERROR the trait bound + //~| ERROR the trait bound +} + +struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + +impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { +//~^ ERROR `Drop` impl requires `T: ~const A` but the struct it is implemented for does not + fn drop(&mut self) { + T::a(); + } } fn main() {} diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr index ddf0e2d91c0..796c0d388ea 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop-fail.stock.stderr @@ -45,34 +45,55 @@ note: required by a bound in `check` LL | const fn check<T: ~const Destruct>(_: T) {} | ^^^^^^^^^^^^^^^ required by this bound in `check` -error[E0277]: the trait bound `ConstDropImplWithBounds<NonTrivialDrop>: ~const Destruct` is not satisfied +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail.rs:48:47 + | +LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), + | ----------------------------------------- ^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | | + | required by a bound introduced by this call + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` + --> $DIR/const-drop-fail.rs:48:47 + | +LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), + | ^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail.rs:27:35 + | +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0277]: the trait bound `NonTrivialDrop: ~const A` is not satisfied + --> $DIR/const-drop-fail.rs:48:5 + | +LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const A` is not implemented for `NonTrivialDrop` + | +note: the trait `A` is implemented for `NonTrivialDrop`, but that implementation is not `const` --> $DIR/const-drop-fail.rs:48:5 | -LL | const _: () = check($exp); - | ----- required by a bound introduced by this call -... LL | ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `~const Destruct` is not implemented for `ConstDropImplWithBounds<NonTrivialDrop>` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +note: required by a bound in `ConstDropImplWithBounds` + --> $DIR/const-drop-fail.rs:27:35 | -note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` - --> $DIR/const-drop-fail.rs:29:25 +LL | struct ConstDropImplWithBounds<T: ~const A>(PhantomData<T>); + | ^^^^^^^^ required by this bound in `ConstDropImplWithBounds` + +error[E0367]: `Drop` impl requires `T: ~const A` but the struct it is implemented for does not + --> $DIR/const-drop-fail.rs:55:9 | -LL | impl<T: ~const A> const Drop for ConstDropImplWithBounds<T> { - | ^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: 1 redundant requirement hidden - = note: required for `ConstDropImplWithBounds<NonTrivialDrop>` to implement `~const Destruct` -note: required by a bound in `check` - --> $DIR/const-drop-fail.rs:35:19 +LL | impl<T: ~const A> const Drop for ConstDropImplWithNonConstBounds<T> { + | ^^^^^^^^ | -LL | const fn check<T: ~const Destruct>(_: T) {} - | ^^^^^^^^^^^^^^^ required by this bound in `check` -help: consider borrowing here +note: the implementor must specify the same requirement + --> $DIR/const-drop-fail.rs:53:1 | -LL | &ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | + -LL | &mut ConstDropImplWithBounds::<NonTrivialDrop>(PhantomData), - | ++++ +LL | struct ConstDropImplWithNonConstBounds<T: A>(PhantomData<T>); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 5 previous errors -For more information about this error, try `rustc --explain E0277`. +Some errors have detailed explanations: E0277, E0367. +For more information about an error, try `rustc --explain E0277`. diff --git a/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs b/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs index 8b4c4065815..b0fc3adf984 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs +++ b/src/test/ui/rfc-2632-const-trait-impl/const-drop.rs @@ -60,7 +60,7 @@ mod t { fn foo() {} } - pub struct ConstDropWithBound<T: SomeTrait>(pub core::marker::PhantomData<T>); + pub struct ConstDropWithBound<T: ~const SomeTrait>(pub core::marker::PhantomData<T>); impl<T: ~const SomeTrait> const Drop for ConstDropWithBound<T> { fn drop(&mut self) { diff --git a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr index d4fa44b4bfc..925ae53e324 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.gatednc.stderr @@ -11,10 +11,6 @@ note: the trait `cross_crate::MyTrait` is implemented for `cross_crate::NonConst | LL | NonConst.func(); | ^^^^^^^^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | const fn const_context() where cross_crate::NonConst: ~const cross_crate::MyTrait { - | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr index 71ecd9b0694..11db0c2b8f2 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/cross-crate.stocknc.stderr @@ -11,10 +11,6 @@ note: the trait `cross_crate::MyTrait` is implemented for `cross_crate::NonConst | LL | NonConst.func(); | ^^^^^^^^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | const fn const_context() where cross_crate::NonConst: ~const cross_crate::MyTrait { - | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr b/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr index d102956cd2e..a244ab10cab 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-body-checking.stderr @@ -14,10 +14,6 @@ note: required by a bound in `foo` | LL | const fn foo<T>() where T: ~const Tr {} | ^^^^^^^^^ required by this bound in `foo` -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | pub trait Foo where (): ~const Tr { - | +++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr b/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr index 85285ba8497..c2c16921c2e 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/default-method-body-is-const-same-trait-ck.stderr @@ -11,10 +11,6 @@ note: the trait `Tr` is implemented for `()`, but that implementation is not `co | LL | ().a() | ^^ -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | pub trait Tr where (): ~const Tr { - | +++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/super-traits-fail.stderr b/src/test/ui/rfc-2632-const-trait-impl/super-traits-fail.stderr index 9787792ab13..1f8f312df01 100644 --- a/src/test/ui/rfc-2632-const-trait-impl/super-traits-fail.stderr +++ b/src/test/ui/rfc-2632-const-trait-impl/super-traits-fail.stderr @@ -14,10 +14,6 @@ note: required by a bound in `Bar` | LL | trait Bar: ~const Foo {} | ^^^^^^^^^^ required by this bound in `Bar` -help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement - | -LL | impl const Bar for S where S: ~const Foo {} - | +++++++++++++++++++ error: aborting due to previous error diff --git a/src/test/ui/rfc-2632-const-trait-impl/tilde_const_on_impl_bound.rs b/src/test/ui/rfc-2632-const-trait-impl/tilde_const_on_impl_bound.rs new file mode 100644 index 00000000000..285cef571f3 --- /dev/null +++ b/src/test/ui/rfc-2632-const-trait-impl/tilde_const_on_impl_bound.rs @@ -0,0 +1,17 @@ +// check-pass +#![feature(const_trait_impl)] + +#[const_trait] +trait Foo { + fn foo(&self) {} +} + +struct Bar<T>(T); + +impl<T: ~const Foo> Bar<T> { + const fn foo(&self) { + self.0.foo() + } +} + +fn main() {} diff --git a/src/test/ui/issues/issue-2718-a.rs b/src/test/ui/structs-enums/issue-2718-a.rs index 6c491584540..6c491584540 100644 --- a/src/test/ui/issues/issue-2718-a.rs +++ b/src/test/ui/structs-enums/issue-2718-a.rs diff --git a/src/test/ui/issues/issue-2718-a.stderr b/src/test/ui/structs-enums/issue-2718-a.stderr index 7ea620f386a..7ea620f386a 100644 --- a/src/test/ui/issues/issue-2718-a.stderr +++ b/src/test/ui/structs-enums/issue-2718-a.stderr diff --git a/src/test/ui/suggestions/issue-103112.rs b/src/test/ui/suggestions/issue-103112.rs new file mode 100644 index 00000000000..111ae7c7308 --- /dev/null +++ b/src/test/ui/suggestions/issue-103112.rs @@ -0,0 +1,4 @@ +fn main() { + std::process::abort!(); + //~^ ERROR: failed to resolve +} diff --git a/src/test/ui/suggestions/issue-103112.stderr b/src/test/ui/suggestions/issue-103112.stderr new file mode 100644 index 00000000000..4ca7fdf9b5a --- /dev/null +++ b/src/test/ui/suggestions/issue-103112.stderr @@ -0,0 +1,15 @@ +error[E0433]: failed to resolve: could not find `abort` in `process` + --> $DIR/issue-103112.rs:2:19 + | +LL | std::process::abort!(); + | ^^^^^ could not find `abort` in `process` + | +help: std::process::abort is not a macro, but a function, try to remove `!` + | +LL - std::process::abort!(); +LL + std::process::abort(); + | + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0433`. diff --git a/src/test/ui/suggestions/suggest-let-for-assignment.fixed b/src/test/ui/suggestions/suggest-let-for-assignment.fixed new file mode 100644 index 00000000000..3a25e25eede --- /dev/null +++ b/src/test/ui/suggestions/suggest-let-for-assignment.fixed @@ -0,0 +1,17 @@ +// run-rustfix + +fn main() { + let demo = 1; //~ ERROR cannot find value `demo` in this scope + dbg!(demo); //~ ERROR cannot find value `demo` in this scope + + let x = "x"; //~ ERROR cannot find value `x` in this scope + println!("x: {}", x); //~ ERROR cannot find value `x` in this scope + + if x == "x" { + //~^ ERROR cannot find value `x` in this scope + println!("x is 1"); + } + + let y = 1 + 2; //~ ERROR cannot find value `y` in this scope + println!("y: {}", y); //~ ERROR cannot find value `y` in this scope +} diff --git a/src/test/ui/suggestions/suggest-let-for-assignment.rs b/src/test/ui/suggestions/suggest-let-for-assignment.rs new file mode 100644 index 00000000000..67705fe063a --- /dev/null +++ b/src/test/ui/suggestions/suggest-let-for-assignment.rs @@ -0,0 +1,17 @@ +// run-rustfix + +fn main() { + demo = 1; //~ ERROR cannot find value `demo` in this scope + dbg!(demo); //~ ERROR cannot find value `demo` in this scope + + x = "x"; //~ ERROR cannot find value `x` in this scope + println!("x: {}", x); //~ ERROR cannot find value `x` in this scope + + if x == "x" { + //~^ ERROR cannot find value `x` in this scope + println!("x is 1"); + } + + y = 1 + 2; //~ ERROR cannot find value `y` in this scope + println!("y: {}", y); //~ ERROR cannot find value `y` in this scope +} diff --git a/src/test/ui/suggestions/suggest-let-for-assignment.stderr b/src/test/ui/suggestions/suggest-let-for-assignment.stderr new file mode 100644 index 00000000000..3f6a3da4be2 --- /dev/null +++ b/src/test/ui/suggestions/suggest-let-for-assignment.stderr @@ -0,0 +1,60 @@ +error[E0425]: cannot find value `demo` in this scope + --> $DIR/suggest-let-for-assignment.rs:4:5 + | +LL | demo = 1; + | ^^^^ + | +help: you might have meant to introduce a new binding + | +LL | let demo = 1; + | +++ + +error[E0425]: cannot find value `demo` in this scope + --> $DIR/suggest-let-for-assignment.rs:5:10 + | +LL | dbg!(demo); + | ^^^^ not found in this scope + +error[E0425]: cannot find value `x` in this scope + --> $DIR/suggest-let-for-assignment.rs:7:5 + | +LL | x = "x"; + | ^ + | +help: you might have meant to introduce a new binding + | +LL | let x = "x"; + | +++ + +error[E0425]: cannot find value `x` in this scope + --> $DIR/suggest-let-for-assignment.rs:8:23 + | +LL | println!("x: {}", x); + | ^ not found in this scope + +error[E0425]: cannot find value `x` in this scope + --> $DIR/suggest-let-for-assignment.rs:10:8 + | +LL | if x == "x" { + | ^ not found in this scope + +error[E0425]: cannot find value `y` in this scope + --> $DIR/suggest-let-for-assignment.rs:15:5 + | +LL | y = 1 + 2; + | ^ + | +help: you might have meant to introduce a new binding + | +LL | let y = 1 + 2; + | +++ + +error[E0425]: cannot find value `y` in this scope + --> $DIR/suggest-let-for-assignment.rs:16:23 + | +LL | println!("y: {}", y); + | ^ not found in this scope + +error: aborting due to 7 previous errors + +For more information about this error, try `rustc --explain E0425`. diff --git a/src/test/ui/traits/issue-33140-hack-boundaries.stderr b/src/test/ui/traits/issue-33140-hack-boundaries.stderr index 62cfca545b2..58286648d4f 100644 --- a/src/test/ui/traits/issue-33140-hack-boundaries.stderr +++ b/src/test/ui/traits/issue-33140-hack-boundaries.stderr @@ -66,3 +66,20 @@ error: aborting due to 8 previous errors Some errors have detailed explanations: E0119, E0751. For more information about an error, try `rustc --explain E0119`. +Future incompatibility report: Future breakage diagnostic: +warning: conflicting implementations of trait `Trait0` for type `(dyn std::marker::Send + 'static)`: (E0119) + --> $DIR/issue-33140-hack-boundaries.rs:10:1 + | +LL | impl Trait0 for dyn Send {} + | ------------------------ first implementation here +LL | impl Trait0 for dyn Send {} + | ^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-hack-boundaries.rs:2:10 + | +LL | #![allow(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + diff --git a/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr b/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr index 4ab777bd4df..0af4df2aecb 100644 --- a/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr +++ b/src/test/ui/traits/object/issue-33140-traitobject-crate.stderr @@ -40,3 +40,56 @@ LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send + Sync { } warning: 3 warnings emitted +Future incompatibility report: Future breakage diagnostic: +warning: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/issue-33140-traitobject-crate.rs:86:1 + | +LL | unsafe impl Trait for dyn (::std::marker::Send) + Sync { } + | ------------------------------------------------------ first implementation here +LL | unsafe impl Trait for dyn (::std::marker::Send) + Send + Sync { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-traitobject-crate.rs:3:9 + | +LL | #![warn(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Future breakage diagnostic: +warning: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/issue-33140-traitobject-crate.rs:89:1 + | +LL | unsafe impl Trait for dyn (::std::marker::Send) + Send + Sync { } + | ------------------------------------------------------------- first implementation here +... +LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-traitobject-crate.rs:3:9 + | +LL | #![warn(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +Future breakage diagnostic: +warning: conflicting implementations of trait `Trait` for type `(dyn std::marker::Send + std::marker::Sync + 'static)`: (E0119) + --> $DIR/issue-33140-traitobject-crate.rs:93:1 + | +LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send { } + | ------------------------------------------------------ first implementation here +... +LL | unsafe impl Trait for dyn (::std::marker::Sync) + Send + Sync { } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `(dyn std::marker::Send + std::marker::Sync + 'static)` + | + = 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 #56484 <https://github.com/rust-lang/rust/issues/56484> +note: the lint level is defined here + --> $DIR/issue-33140-traitobject-crate.rs:3:9 + | +LL | #![warn(order_dependent_trait_objects)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + diff --git a/src/test/ui/traits/trait-upcasting/multiple-occurence-ambiguousity.rs b/src/test/ui/traits/trait-upcasting/multiple-occurrence-ambiguousity.rs index 6986ad62172..6986ad62172 100644 --- a/src/test/ui/traits/trait-upcasting/multiple-occurence-ambiguousity.rs +++ b/src/test/ui/traits/trait-upcasting/multiple-occurrence-ambiguousity.rs diff --git a/src/test/ui/traits/trait-upcasting/multiple-occurence-ambiguousity.stderr b/src/test/ui/traits/trait-upcasting/multiple-occurrence-ambiguousity.stderr index e9670ad7def..9564813512c 100644 --- a/src/test/ui/traits/trait-upcasting/multiple-occurence-ambiguousity.stderr +++ b/src/test/ui/traits/trait-upcasting/multiple-occurrence-ambiguousity.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/multiple-occurence-ambiguousity.rs:21:26 + --> $DIR/multiple-occurrence-ambiguousity.rs:21:26 | LL | let t: &dyn Bar<_> = s; | ----------- ^ expected trait `Bar`, found trait `Foo` diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 3ff044334f0567ce1481c78603aeee7211b9162 +Subproject 071eeaf210708219a5a1b2c4728ca2f97df7f2a diff --git a/src/tools/cargotest/main.rs b/src/tools/cargotest/main.rs index 95fe98a683f..7044cb89286 100644 --- a/src/tools/cargotest/main.rs +++ b/src/tools/cargotest/main.rs @@ -73,7 +73,7 @@ const TEST_REPOS: &[Test] = &[ Test { name: "servo", repo: "https://github.com/servo/servo", - sha: "caac107ae8145ef2fd20365e2b8fadaf09c2eb3b", + sha: "785a344e32db58d4e631fd3cae17fd1f29a721ab", lock: None, // Only test Stylo a.k.a. Quantum CSS, the parts of Servo going into Firefox. // This takes much less time to build than all of Servo and supports stable Rust. @@ -206,6 +206,10 @@ fn run_cargo_test( .env("CFG_DISABLE_CROSS_TESTS", "1") // Relax #![deny(warnings)] in some crates .env("RUSTFLAGS", "--cap-lints warn") + // servo tries to use 'lld-link.exe' on windows, but we don't + // have lld on our PATH in CI. Override it to use 'link.exe' + .env("CARGO_TARGET_X86_64_PC_WINDOWS_MSVC_LINKER", "link.exe") + .env("CARGO_TARGET_I686_PC_WINDOWS_MSVC_LINKER", "link.exe") .current_dir(crate_path) .status() .unwrap(); diff --git a/src/tools/clippy/.github/workflows/clippy.yml b/src/tools/clippy/.github/workflows/clippy.yml index fac2c99714d..b9921301197 100644 --- a/src/tools/clippy/.github/workflows/clippy.yml +++ b/src/tools/clippy/.github/workflows/clippy.yml @@ -25,6 +25,7 @@ env: CARGO_TARGET_DIR: '${{ github.workspace }}/target' NO_FMT_TEST: 1 CARGO_INCREMENTAL: 0 + CARGO_UNSTABLE_SPARSE_REGISTRY: true jobs: base: diff --git a/src/tools/clippy/.github/workflows/clippy_bors.yml b/src/tools/clippy/.github/workflows/clippy_bors.yml index 30607af4901..6448b2d4068 100644 --- a/src/tools/clippy/.github/workflows/clippy_bors.yml +++ b/src/tools/clippy/.github/workflows/clippy_bors.yml @@ -11,6 +11,7 @@ env: CARGO_TARGET_DIR: '${{ github.workspace }}/target' NO_FMT_TEST: 1 CARGO_INCREMENTAL: 0 + CARGO_UNSTABLE_SPARSE_REGISTRY: true defaults: run: diff --git a/src/tools/clippy/.github/workflows/clippy_dev.yml b/src/tools/clippy/.github/workflows/clippy_dev.yml index 22051093c9c..14f20212add 100644 --- a/src/tools/clippy/.github/workflows/clippy_dev.yml +++ b/src/tools/clippy/.github/workflows/clippy_dev.yml @@ -15,6 +15,8 @@ on: env: RUST_BACKTRACE: 1 + CARGO_INCREMENTAL: 0 + CARGO_UNSTABLE_SPARSE_REGISTRY: true jobs: clippy_dev: diff --git a/src/tools/clippy/CHANGELOG.md b/src/tools/clippy/CHANGELOG.md index 42615179f70..2d7bda27e4f 100644 --- a/src/tools/clippy/CHANGELOG.md +++ b/src/tools/clippy/CHANGELOG.md @@ -3735,6 +3735,7 @@ Released 2018-09-13 [`approx_constant`]: https://rust-lang.github.io/rust-clippy/master/index.html#approx_constant [`arithmetic_side_effects`]: https://rust-lang.github.io/rust-clippy/master/index.html#arithmetic_side_effects [`as_conversions`]: https://rust-lang.github.io/rust-clippy/master/index.html#as_conversions +[`as_ptr_cast_mut`]: https://rust-lang.github.io/rust-clippy/master/index.html#as_ptr_cast_mut [`as_underscore`]: https://rust-lang.github.io/rust-clippy/master/index.html#as_underscore [`assertions_on_constants`]: https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_constants [`assertions_on_result_states`]: https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_result_states @@ -3772,6 +3773,7 @@ Released 2018-09-13 [`cast_enum_constructor`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_enum_constructor [`cast_enum_truncation`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_enum_truncation [`cast_lossless`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless +[`cast_nan_to_int`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_nan_to_int [`cast_possible_truncation`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_possible_truncation [`cast_possible_wrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_possible_wrap [`cast_precision_loss`]: https://rust-lang.github.io/rust-clippy/master/index.html#cast_precision_loss @@ -3988,6 +3990,7 @@ Released 2018-09-13 [`manual_async_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_async_fn [`manual_bits`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_bits [`manual_clamp`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_clamp +[`manual_filter`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_filter [`manual_filter_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_filter_map [`manual_find`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_find [`manual_find_map`]: https://rust-lang.github.io/rust-clippy/master/index.html#manual_find_map @@ -4046,6 +4049,7 @@ Released 2018-09-13 [`missing_panics_doc`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_panics_doc [`missing_safety_doc`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_safety_doc [`missing_spin_loop`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_spin_loop +[`missing_trait_methods`]: https://rust-lang.github.io/rust-clippy/master/index.html#missing_trait_methods [`mistyped_literal_suffixes`]: https://rust-lang.github.io/rust-clippy/master/index.html#mistyped_literal_suffixes [`mixed_case_hex_literals`]: https://rust-lang.github.io/rust-clippy/master/index.html#mixed_case_hex_literals [`mixed_read_write_in_expression`]: https://rust-lang.github.io/rust-clippy/master/index.html#mixed_read_write_in_expression @@ -4131,6 +4135,7 @@ Released 2018-09-13 [`panic_in_result_fn`]: https://rust-lang.github.io/rust-clippy/master/index.html#panic_in_result_fn [`panic_params`]: https://rust-lang.github.io/rust-clippy/master/index.html#panic_params [`panicking_unwrap`]: https://rust-lang.github.io/rust-clippy/master/index.html#panicking_unwrap +[`partial_pub_fields`]: https://rust-lang.github.io/rust-clippy/master/index.html#partial_pub_fields [`partialeq_ne_impl`]: https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_ne_impl [`partialeq_to_none`]: https://rust-lang.github.io/rust-clippy/master/index.html#partialeq_to_none [`path_buf_push_overwrite`]: https://rust-lang.github.io/rust-clippy/master/index.html#path_buf_push_overwrite @@ -4312,6 +4317,7 @@ Released 2018-09-13 [`unstable_as_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#unstable_as_slice [`unused_async`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_async [`unused_collect`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_collect +[`unused_format_specs`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_format_specs [`unused_io_amount`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_io_amount [`unused_label`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_label [`unused_peekable`]: https://rust-lang.github.io/rust-clippy/master/index.html#unused_peekable diff --git a/src/tools/clippy/CONTRIBUTING.md b/src/tools/clippy/CONTRIBUTING.md index 6c977b2caca..85f94a74ad9 100644 --- a/src/tools/clippy/CONTRIBUTING.md +++ b/src/tools/clippy/CONTRIBUTING.md @@ -29,7 +29,7 @@ All contributors are expected to follow the [Rust Code of Conduct]. ## The Clippy book -If you're new to Clippy and don't know where to start the [Clippy book] includes +If you're new to Clippy and don't know where to start, the [Clippy book] includes a [developer guide] and is a good place to start your journey. [Clippy book]: https://doc.rust-lang.org/nightly/clippy/index.html diff --git a/src/tools/clippy/book/src/development/adding_lints.md b/src/tools/clippy/book/src/development/adding_lints.md index b1e843bc7f4..3c3f368a529 100644 --- a/src/tools/clippy/book/src/development/adding_lints.md +++ b/src/tools/clippy/book/src/development/adding_lints.md @@ -478,8 +478,27 @@ impl<'tcx> LateLintPass<'tcx> for ManualStrip { ``` Once the `msrv` is added to the lint, a relevant test case should be added to -`tests/ui/min_rust_version_attr.rs` which verifies that the lint isn't emitted -if the project's MSRV is lower. +the lint's test file, `tests/ui/manual_strip.rs` in this example. It should +have a case for the version below the MSRV and one with the same contents but +for the MSRV version itself. + +```rust +#![feature(custom_inner_attributes)] + +... + +fn msrv_1_44() { + #![clippy::msrv = "1.44"] + + /* something that would trigger the lint */ +} + +fn msrv_1_45() { + #![clippy::msrv = "1.45"] + + /* something that would trigger the lint */ +} +``` As a last step, the lint should be added to the lint documentation. This is done in `clippy_lints/src/utils/conf.rs`: diff --git a/src/tools/clippy/book/src/development/basics.md b/src/tools/clippy/book/src/development/basics.md index 44ba6e32755..6fb53236e6f 100644 --- a/src/tools/clippy/book/src/development/basics.md +++ b/src/tools/clippy/book/src/development/basics.md @@ -69,7 +69,7 @@ the reference file with: cargo dev bless ``` -For example, this is necessary, if you fix a typo in an error message of a lint +For example, this is necessary if you fix a typo in an error message of a lint, or if you modify a test file to add a test case. > _Note:_ This command may update more files than you intended. In that case @@ -101,8 +101,9 @@ cargo dev setup intellij cargo dev dogfood ``` -More about intellij command usage and reasons -[here](https://github.com/rust-lang/rust-clippy/blob/master/CONTRIBUTING.md#intellij-rust) +More about [intellij] command usage and reasons. + +[intellij]: https://github.com/rust-lang/rust-clippy/blob/master/CONTRIBUTING.md#intellij-rust ## lintcheck diff --git a/src/tools/clippy/clippy_dev/src/serve.rs b/src/tools/clippy/clippy_dev/src/serve.rs index 2e0794f12fa..535c25e69f1 100644 --- a/src/tools/clippy/clippy_dev/src/serve.rs +++ b/src/tools/clippy/clippy_dev/src/serve.rs @@ -49,7 +49,7 @@ fn mtime(path: impl AsRef<Path>) -> SystemTime { .into_iter() .flatten() .flatten() - .map(|entry| mtime(&entry.path())) + .map(|entry| mtime(entry.path())) .max() .unwrap_or(SystemTime::UNIX_EPOCH) } else { diff --git a/src/tools/clippy/clippy_dev/src/setup/intellij.rs b/src/tools/clippy/clippy_dev/src/setup/intellij.rs index b64e79733eb..efdb158c21e 100644 --- a/src/tools/clippy/clippy_dev/src/setup/intellij.rs +++ b/src/tools/clippy/clippy_dev/src/setup/intellij.rs @@ -36,9 +36,8 @@ impl ClippyProjectInfo { } pub fn setup_rustc_src(rustc_path: &str) { - let rustc_source_dir = match check_and_get_rustc_dir(rustc_path) { - Ok(path) => path, - Err(_) => return, + let Ok(rustc_source_dir) = check_and_get_rustc_dir(rustc_path) else { + return }; for project in CLIPPY_PROJECTS { @@ -172,14 +171,10 @@ pub fn remove_rustc_src() { } fn remove_rustc_src_from_project(project: &ClippyProjectInfo) -> bool { - let mut cargo_content = if let Ok(content) = read_project_file(project.cargo_file) { - content - } else { + let Ok(mut cargo_content) = read_project_file(project.cargo_file) else { return false; }; - let section_start = if let Some(section_start) = cargo_content.find(RUSTC_PATH_SECTION) { - section_start - } else { + let Some(section_start) = cargo_content.find(RUSTC_PATH_SECTION) else { println!( "info: dependencies could not be found in `{}` for {}, skipping file", project.cargo_file, project.name @@ -187,9 +182,7 @@ fn remove_rustc_src_from_project(project: &ClippyProjectInfo) -> bool { return true; }; - let end_point = if let Some(end_point) = cargo_content.find(DEPENDENCIES_SECTION) { - end_point - } else { + let Some(end_point) = cargo_content.find(DEPENDENCIES_SECTION) else { eprintln!( "error: the end of the rustc dependencies section could not be found in `{}`", project.cargo_file diff --git a/src/tools/clippy/clippy_dev/src/update_lints.rs b/src/tools/clippy/clippy_dev/src/update_lints.rs index 0eb443167ec..e690bc369cd 100644 --- a/src/tools/clippy/clippy_dev/src/update_lints.rs +++ b/src/tools/clippy/clippy_dev/src/update_lints.rs @@ -128,7 +128,7 @@ fn generate_lint_files( for (lint_group, lints) in Lint::by_lint_group(usable_lints.into_iter().chain(internal_lints)) { let content = gen_lint_group_list(&lint_group, lints.iter()); process_file( - &format!("clippy_lints/src/lib.register_{lint_group}.rs"), + format!("clippy_lints/src/lib.register_{lint_group}.rs"), update_mode, &content, ); @@ -869,13 +869,11 @@ fn clippy_lints_src_files() -> impl Iterator<Item = (PathBuf, DirEntry)> { macro_rules! match_tokens { ($iter:ident, $($token:ident $({$($fields:tt)*})? $(($capture:ident))?)*) => { { - $($(let $capture =)? if let Some(LintDeclSearchResult { + $(#[allow(clippy::redundant_pattern)] let Some(LintDeclSearchResult { token_kind: TokenKind::$token $({$($fields)*})?, - content: _x, + content: $($capture @)? _, .. - }) = $iter.next() { - _x - } else { + }) = $iter.next() else { continue; };)* #[allow(clippy::unused_unit)] diff --git a/src/tools/clippy/clippy_lints/src/booleans.rs b/src/tools/clippy/clippy_lints/src/booleans.rs index 2a15cbc7a3c..08164c0b654 100644 --- a/src/tools/clippy/clippy_lints/src/booleans.rs +++ b/src/tools/clippy/clippy_lints/src/booleans.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then}; +use clippy_utils::eq_expr_value; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; -use clippy_utils::{eq_expr_value, get_trait_def_id, paths}; use if_chain::if_chain; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -483,7 +483,9 @@ impl<'a, 'tcx> Visitor<'tcx> for NonminimalBoolVisitor<'a, 'tcx> { fn implements_ord<'tcx>(cx: &LateContext<'tcx>, expr: &Expr<'_>) -> bool { let ty = cx.typeck_results().expr_ty(expr); - get_trait_def_id(cx, &paths::ORD).map_or(false, |id| implements_trait(cx, ty, id, &[])) + cx.tcx + .get_diagnostic_item(sym::Ord) + .map_or(false, |id| implements_trait(cx, ty, id, &[])) } struct NotSimplificationVisitor<'a, 'tcx> { diff --git a/src/tools/clippy/clippy_lints/src/box_default.rs b/src/tools/clippy/clippy_lints/src/box_default.rs index 792183ac408..36daceabe0b 100644 --- a/src/tools/clippy/clippy_lints/src/box_default.rs +++ b/src/tools/clippy/clippy_lints/src/box_default.rs @@ -1,5 +1,12 @@ -use clippy_utils::{diagnostics::span_lint_and_help, is_default_equivalent, path_def_id}; -use rustc_hir::{Expr, ExprKind, QPath}; +use clippy_utils::{ + diagnostics::span_lint_and_sugg, get_parent_node, is_default_equivalent, macros::macro_backtrace, match_path, + path_def_id, paths, ty::expr_sig, +}; +use rustc_errors::Applicability; +use rustc_hir::{ + intravisit::{walk_ty, Visitor}, + Block, Expr, ExprKind, Local, Node, QPath, TyKind, +}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::{declare_lint_pass, declare_tool_lint}; @@ -15,12 +22,6 @@ declare_clippy_lint! { /// Second, `Box::default()` can be faster /// [in certain cases](https://nnethercote.github.io/perf-book/standard-library-types.html#box). /// - /// ### Known problems - /// The lint may miss some cases (e.g. Box::new(String::from(""))). - /// On the other hand, it will trigger on cases where the `default` - /// code comes from a macro that does something different based on - /// e.g. target operating system. - /// /// ### Example /// ```rust /// let x: Box<String> = Box::new(Default::default()); @@ -41,21 +42,88 @@ impl LateLintPass<'_> for BoxDefault { fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) { if let ExprKind::Call(box_new, [arg]) = expr.kind && let ExprKind::Path(QPath::TypeRelative(ty, seg)) = box_new.kind - && let ExprKind::Call(..) = arg.kind + && let ExprKind::Call(arg_path, ..) = arg.kind && !in_external_macro(cx.sess(), expr.span) - && expr.span.eq_ctxt(arg.span) + && (expr.span.eq_ctxt(arg.span) || is_vec_expn(cx, arg)) && seg.ident.name == sym::new - && path_def_id(cx, ty) == cx.tcx.lang_items().owned_box() + && path_def_id(cx, ty).map_or(false, |id| Some(id) == cx.tcx.lang_items().owned_box()) && is_default_equivalent(cx, arg) { - span_lint_and_help( + let arg_ty = cx.typeck_results().expr_ty(arg); + span_lint_and_sugg( cx, BOX_DEFAULT, expr.span, "`Box::new(_)` of default value", - None, - "use `Box::default()` instead", + "try", + if is_plain_default(arg_path) || given_type(cx, expr) { + "Box::default()".into() + } else { + format!("Box::<{arg_ty}>::default()") + }, + Applicability::MachineApplicable ); } } } + +fn is_plain_default(arg_path: &Expr<'_>) -> bool { + // we need to match the actual path so we don't match e.g. "u8::default" + if let ExprKind::Path(QPath::Resolved(None, path)) = &arg_path.kind { + // avoid generic parameters + match_path(path, &paths::DEFAULT_TRAIT_METHOD) && path.segments.iter().all(|seg| seg.args.is_none()) + } else { + false + } +} + +fn is_vec_expn(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + macro_backtrace(expr.span) + .next() + .map_or(false, |call| cx.tcx.is_diagnostic_item(sym::vec_macro, call.def_id)) +} + +#[derive(Default)] +struct InferVisitor(bool); + +impl<'tcx> Visitor<'tcx> for InferVisitor { + fn visit_ty(&mut self, t: &rustc_hir::Ty<'_>) { + self.0 |= matches!(t.kind, TyKind::Infer | TyKind::OpaqueDef(..) | TyKind::TraitObject(..)); + if !self.0 { + walk_ty(self, t); + } + } +} + +fn given_type(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + match get_parent_node(cx.tcx, expr.hir_id) { + Some(Node::Local(Local { ty: Some(ty), .. })) => { + let mut v = InferVisitor::default(); + v.visit_ty(ty); + !v.0 + }, + Some( + Node::Expr(Expr { + kind: ExprKind::Call(path, args), + .. + }) | Node::Block(Block { + expr: + Some(Expr { + kind: ExprKind::Call(path, args), + .. + }), + .. + }), + ) => { + if let Some(index) = args.iter().position(|arg| arg.hir_id == expr.hir_id) && + let Some(sig) = expr_sig(cx, path) && + let Some(input) = sig.input(index) + { + input.no_bound_vars().is_some() + } else { + false + } + }, + _ => false, + } +} diff --git a/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs b/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs new file mode 100644 index 00000000000..9409f4844f5 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/casts/as_ptr_cast_mut.rs @@ -0,0 +1,38 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::source::snippet_opt; +use rustc_errors::Applicability; +use rustc_hir::{Expr, ExprKind}; +use rustc_lint::LateContext; +use rustc_middle::{ + mir::Mutability, + ty::{self, Ty, TypeAndMut}, +}; + +use super::AS_PTR_CAST_MUT; + +pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>, cast_to: Ty<'_>) { + if let ty::RawPtr(ptrty @ TypeAndMut { mutbl: Mutability::Mut, .. }) = cast_to.kind() + && let ty::RawPtr(TypeAndMut { mutbl: Mutability::Not, .. }) = + cx.typeck_results().node_type(cast_expr.hir_id).kind() + && let ExprKind::MethodCall(method_name, receiver, [], _) = cast_expr.peel_blocks().kind + && method_name.ident.name == rustc_span::sym::as_ptr + && let Some(as_ptr_did) = cx.typeck_results().type_dependent_def_id(cast_expr.peel_blocks().hir_id) + && let as_ptr_sig = cx.tcx.fn_sig(as_ptr_did) + && let Some(first_param_ty) = as_ptr_sig.skip_binder().inputs().iter().next() + && let ty::Ref(_, _, Mutability::Not) = first_param_ty.kind() + && let Some(recv) = snippet_opt(cx, receiver.span) + { + // `as_mut_ptr` might not exist + let applicability = Applicability::MaybeIncorrect; + + span_lint_and_sugg( + cx, + AS_PTR_CAST_MUT, + expr.span, + &format!("casting the result of `as_ptr` to *{ptrty}"), + "replace with", + format!("{recv}.as_mut_ptr()"), + applicability + ); + } +} diff --git a/src/tools/clippy/clippy_lints/src/casts/cast_nan_to_int.rs b/src/tools/clippy/clippy_lints/src/casts/cast_nan_to_int.rs new file mode 100644 index 00000000000..322dc41b3a1 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/casts/cast_nan_to_int.rs @@ -0,0 +1,28 @@ +use super::CAST_NAN_TO_INT; + +use clippy_utils::consts::{constant, Constant}; +use clippy_utils::diagnostics::span_lint_and_note; +use rustc_hir::Expr; +use rustc_lint::LateContext; +use rustc_middle::ty::Ty; + +pub(super) fn check(cx: &LateContext<'_>, expr: &Expr<'_>, cast_expr: &Expr<'_>, from_ty: Ty<'_>, to_ty: Ty<'_>) { + if from_ty.is_floating_point() && to_ty.is_integral() && is_known_nan(cx, cast_expr) { + span_lint_and_note( + cx, + CAST_NAN_TO_INT, + expr.span, + &format!("casting a known NaN to {to_ty}"), + None, + "this always evaluates to 0", + ); + } +} + +fn is_known_nan(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { + match constant(cx, cx.typeck_results(), e) { + Some((Constant::F64(n), _)) => n.is_nan(), + Some((Constant::F32(n), _)) => n.is_nan(), + _ => false, + } +} diff --git a/src/tools/clippy/clippy_lints/src/casts/mod.rs b/src/tools/clippy/clippy_lints/src/casts/mod.rs index cc5d346b954..b72c4c772f1 100644 --- a/src/tools/clippy/clippy_lints/src/casts/mod.rs +++ b/src/tools/clippy/clippy_lints/src/casts/mod.rs @@ -1,8 +1,10 @@ +mod as_ptr_cast_mut; mod as_underscore; mod borrow_as_ptr; mod cast_abs_to_unsigned; mod cast_enum_constructor; mod cast_lossless; +mod cast_nan_to_int; mod cast_possible_truncation; mod cast_possible_wrap; mod cast_precision_loss; @@ -569,6 +571,7 @@ declare_clippy_lint! { pedantic, "borrowing just to cast to a raw pointer" } + declare_clippy_lint! { /// ### What it does /// Checks for a raw slice being cast to a slice pointer @@ -596,6 +599,54 @@ declare_clippy_lint! { "casting a slice created from a pointer and length to a slice pointer" } +declare_clippy_lint! { + /// ### What it does + /// Checks for the result of a `&self`-taking `as_ptr` being cast to a mutable pointer + /// + /// ### Why is this bad? + /// Since `as_ptr` takes a `&self`, the pointer won't have write permissions unless interior + /// mutability is used, making it unlikely that having it as a mutable pointer is correct. + /// + /// ### Example + /// ```rust + /// let string = String::with_capacity(1); + /// let ptr = string.as_ptr() as *mut u8; + /// unsafe { ptr.write(4) }; // UNDEFINED BEHAVIOUR + /// ``` + /// Use instead: + /// ```rust + /// let mut string = String::with_capacity(1); + /// let ptr = string.as_mut_ptr(); + /// unsafe { ptr.write(4) }; + /// ``` + #[clippy::version = "1.66.0"] + pub AS_PTR_CAST_MUT, + nursery, + "casting the result of the `&self`-taking `as_ptr` to a mutabe pointer" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for a known NaN float being cast to an integer + /// + /// ### Why is this bad? + /// NaNs are cast into zero, so one could simply use this and make the + /// code more readable. The lint could also hint at a programmer error. + /// + /// ### Example + /// ```rust,ignore + /// let _: (0.0_f32 / 0.0) as u64; + /// ``` + /// Use instead: + /// ```rust,ignore + /// let _: = 0_u64; + /// ``` + #[clippy::version = "1.64.0"] + pub CAST_NAN_TO_INT, + suspicious, + "casting a known floating-point NaN into an integer" +} + pub struct Casts { msrv: Option<RustcVersion>, } @@ -627,7 +678,9 @@ impl_lint_pass!(Casts => [ CAST_ABS_TO_UNSIGNED, AS_UNDERSCORE, BORROW_AS_PTR, - CAST_SLICE_FROM_RAW_PARTS + CAST_SLICE_FROM_RAW_PARTS, + AS_PTR_CAST_MUT, + CAST_NAN_TO_INT, ]); impl<'tcx> LateLintPass<'tcx> for Casts { @@ -653,6 +706,7 @@ impl<'tcx> LateLintPass<'tcx> for Casts { return; } cast_slice_from_raw_parts::check(cx, expr, cast_expr, cast_to, self.msrv); + as_ptr_cast_mut::check(cx, expr, cast_expr, cast_to); fn_to_numeric_cast_any::check(cx, expr, cast_expr, cast_from, cast_to); fn_to_numeric_cast::check(cx, expr, cast_expr, cast_from, cast_to); fn_to_numeric_cast_with_truncation::check(cx, expr, cast_expr, cast_from, cast_to); @@ -664,6 +718,7 @@ impl<'tcx> LateLintPass<'tcx> for Casts { cast_precision_loss::check(cx, expr, cast_from, cast_to); cast_sign_loss::check(cx, expr, cast_expr, cast_from, cast_to); cast_abs_to_unsigned::check(cx, expr, cast_expr, cast_from, cast_to, self.msrv); + cast_nan_to_int::check(cx, expr, cast_expr, cast_from, cast_to); } cast_lossless::check(cx, expr, cast_expr, cast_from, cast_to, self.msrv); cast_enum_constructor::check(cx, expr, cast_expr, cast_from); diff --git a/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs b/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs index 21ed7f4844c..c8596987e4d 100644 --- a/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs +++ b/src/tools/clippy/clippy_lints/src/casts/unnecessary_cast.rs @@ -59,9 +59,6 @@ pub(super) fn check<'tcx>( lint_unnecessary_cast(cx, expr, literal_str, cast_from, cast_to); return false; }, - LitKind::Int(_, LitIntType::Unsuffixed) | LitKind::Float(_, LitFloatType::Unsuffixed) => { - return false; - }, LitKind::Int(_, LitIntType::Signed(_) | LitIntType::Unsigned(_)) | LitKind::Float(_, LitFloatType::Suffixed(_)) if cast_from.kind() == cast_to.kind() => diff --git a/src/tools/clippy/clippy_lints/src/comparison_chain.rs b/src/tools/clippy/clippy_lints/src/comparison_chain.rs index a05b41eb3ab..0fe973b49a3 100644 --- a/src/tools/clippy/clippy_lints/src/comparison_chain.rs +++ b/src/tools/clippy/clippy_lints/src/comparison_chain.rs @@ -1,9 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_help; use clippy_utils::ty::implements_trait; -use clippy_utils::{get_trait_def_id, if_sequence, in_constant, is_else_clause, paths, SpanlessEq}; +use clippy_utils::{if_sequence, in_constant, is_else_clause, SpanlessEq}; use rustc_hir::{BinOpKind, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -106,7 +107,10 @@ impl<'tcx> LateLintPass<'tcx> for ComparisonChain { // Check that the type being compared implements `core::cmp::Ord` let ty = cx.typeck_results().expr_ty(lhs1); - let is_ord = get_trait_def_id(cx, &paths::ORD).map_or(false, |id| implements_trait(cx, ty, id, &[])); + let is_ord = cx + .tcx + .get_diagnostic_item(sym::Ord) + .map_or(false, |id| implements_trait(cx, ty, id, &[])); if !is_ord { return; diff --git a/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs b/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs index 3ed9cd36a22..03460689e19 100644 --- a/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs +++ b/src/tools/clippy/clippy_lints/src/default_numeric_fallback.rs @@ -1,12 +1,12 @@ use clippy_utils::diagnostics::span_lint_hir_and_then; -use clippy_utils::numeric_literal; use clippy_utils::source::snippet_opt; +use clippy_utils::{get_parent_node, numeric_literal}; use if_chain::if_chain; use rustc_ast::ast::{LitFloatType, LitIntType, LitKind}; use rustc_errors::Applicability; use rustc_hir::{ intravisit::{walk_expr, walk_stmt, Visitor}, - Body, Expr, ExprKind, HirId, Lit, Stmt, StmtKind, + Body, Expr, ExprKind, HirId, ItemKind, Lit, Node, Stmt, StmtKind, }; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::{ @@ -55,22 +55,31 @@ declare_lint_pass!(DefaultNumericFallback => [DEFAULT_NUMERIC_FALLBACK]); impl<'tcx> LateLintPass<'tcx> for DefaultNumericFallback { fn check_body(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { - let mut visitor = NumericFallbackVisitor::new(cx); + let is_parent_const = if let Some(Node::Item(item)) = get_parent_node(cx.tcx, body.id().hir_id) { + matches!(item.kind, ItemKind::Const(..)) + } else { + false + }; + let mut visitor = NumericFallbackVisitor::new(cx, is_parent_const); visitor.visit_body(body); } } struct NumericFallbackVisitor<'a, 'tcx> { /// Stack manages type bound of exprs. The top element holds current expr type. - ty_bounds: Vec<TyBound<'tcx>>, + ty_bounds: Vec<ExplicitTyBound>, cx: &'a LateContext<'tcx>, } impl<'a, 'tcx> NumericFallbackVisitor<'a, 'tcx> { - fn new(cx: &'a LateContext<'tcx>) -> Self { + fn new(cx: &'a LateContext<'tcx>, is_parent_const: bool) -> Self { Self { - ty_bounds: vec![TyBound::Nothing], + ty_bounds: vec![if is_parent_const { + ExplicitTyBound(true) + } else { + ExplicitTyBound(false) + }], cx, } } @@ -79,10 +88,9 @@ impl<'a, 'tcx> NumericFallbackVisitor<'a, 'tcx> { fn check_lit(&self, lit: &Lit, lit_ty: Ty<'tcx>, emit_hir_id: HirId) { if_chain! { if !in_external_macro(self.cx.sess(), lit.span); - if let Some(ty_bound) = self.ty_bounds.last(); + if matches!(self.ty_bounds.last(), Some(ExplicitTyBound(false))); if matches!(lit.node, LitKind::Int(_, LitIntType::Unsuffixed) | LitKind::Float(_, LitFloatType::Unsuffixed)); - if !ty_bound.is_numeric(); then { let (suffix, is_float) = match lit_ty.kind() { ty::Int(IntTy::I32) => ("i32", false), @@ -123,7 +131,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { if let Some(fn_sig) = fn_sig_opt(self.cx, func.hir_id) { for (expr, bound) in iter::zip(*args, fn_sig.skip_binder().inputs()) { // Push found arg type, then visit arg. - self.ty_bounds.push(TyBound::Ty(*bound)); + self.ty_bounds.push((*bound).into()); self.visit_expr(expr); self.ty_bounds.pop(); } @@ -135,7 +143,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { if let Some(def_id) = self.cx.typeck_results().type_dependent_def_id(expr.hir_id) { let fn_sig = self.cx.tcx.fn_sig(def_id).skip_binder(); for (expr, bound) in iter::zip(std::iter::once(*receiver).chain(args.iter()), fn_sig.inputs()) { - self.ty_bounds.push(TyBound::Ty(*bound)); + self.ty_bounds.push((*bound).into()); self.visit_expr(expr); self.ty_bounds.pop(); } @@ -169,7 +177,7 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { // Visit base with no bound. if let Some(base) = base { - self.ty_bounds.push(TyBound::Nothing); + self.ty_bounds.push(ExplicitTyBound(false)); self.visit_expr(base); self.ty_bounds.pop(); } @@ -192,15 +200,10 @@ impl<'a, 'tcx> Visitor<'tcx> for NumericFallbackVisitor<'a, 'tcx> { fn visit_stmt(&mut self, stmt: &'tcx Stmt<'_>) { match stmt.kind { - StmtKind::Local(local) => { - if local.ty.is_some() { - self.ty_bounds.push(TyBound::Any); - } else { - self.ty_bounds.push(TyBound::Nothing); - } - }, + // we cannot check the exact type since it's a hir::Ty which does not implement `is_numeric` + StmtKind::Local(local) => self.ty_bounds.push(ExplicitTyBound(local.ty.is_some())), - _ => self.ty_bounds.push(TyBound::Nothing), + _ => self.ty_bounds.push(ExplicitTyBound(false)), } walk_stmt(self, stmt); @@ -218,28 +221,18 @@ fn fn_sig_opt<'tcx>(cx: &LateContext<'tcx>, hir_id: HirId) -> Option<PolyFnSig<' } } +/// Wrapper around a `bool` to make the meaning of the value clearer #[derive(Debug, Clone, Copy)] -enum TyBound<'tcx> { - Any, - Ty(Ty<'tcx>), - Nothing, -} +struct ExplicitTyBound(pub bool); -impl<'tcx> TyBound<'tcx> { - fn is_numeric(self) -> bool { - match self { - TyBound::Any => true, - TyBound::Ty(t) => t.is_numeric(), - TyBound::Nothing => false, - } +impl<'tcx> From<Ty<'tcx>> for ExplicitTyBound { + fn from(v: Ty<'tcx>) -> Self { + Self(v.is_numeric()) } } -impl<'tcx> From<Option<Ty<'tcx>>> for TyBound<'tcx> { +impl<'tcx> From<Option<Ty<'tcx>>> for ExplicitTyBound { fn from(v: Option<Ty<'tcx>>) -> Self { - match v { - Some(t) => TyBound::Ty(t), - None => TyBound::Nothing, - } + Self(v.map_or(false, Ty::is_numeric)) } } diff --git a/src/tools/clippy/clippy_lints/src/dereference.rs b/src/tools/clippy/clippy_lints/src/dereference.rs index 02a16f765b7..a95d9f5390d 100644 --- a/src/tools/clippy/clippy_lints/src/dereference.rs +++ b/src/tools/clippy/clippy_lints/src/dereference.rs @@ -1,4 +1,5 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_hir_and_then}; +use clippy_utils::mir::{enclosing_mir, expr_local, local_assignments, used_exactly_once, PossibleBorrowerMap}; use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; use clippy_utils::sugg::has_enclosing_paren; use clippy_utils::ty::{expr_sig, is_copy, peel_mid_ty_refs, ty_sig, variant_of_res}; @@ -11,13 +12,16 @@ use rustc_data_structures::fx::FxIndexMap; use rustc_errors::Applicability; use rustc_hir::intravisit::{walk_ty, Visitor}; use rustc_hir::{ - self as hir, def_id::DefId, BindingAnnotation, Body, BodyId, BorrowKind, Closure, Expr, ExprKind, FnRetTy, - GenericArg, HirId, ImplItem, ImplItemKind, Item, ItemKind, Local, MatchSource, Mutability, Node, Pat, PatKind, - Path, QPath, TraitItem, TraitItemKind, TyKind, UnOp, + self as hir, + def_id::{DefId, LocalDefId}, + BindingAnnotation, Body, BodyId, BorrowKind, Closure, Expr, ExprKind, FnRetTy, GenericArg, HirId, ImplItem, + ImplItemKind, Item, ItemKind, Local, MatchSource, Mutability, Node, Pat, PatKind, Path, QPath, TraitItem, + TraitItemKind, TyKind, UnOp, }; use rustc_index::bit_set::BitSet; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::mir::{Rvalue, StatementKind}; use rustc_middle::ty::adjustment::{Adjust, Adjustment, AutoBorrow, AutoBorrowMutability}; use rustc_middle::ty::{ self, Binder, BoundVariableKind, EarlyBinder, FnSig, GenericArgKind, List, ParamTy, PredicateKind, @@ -141,7 +145,7 @@ declare_clippy_lint! { "dereferencing when the compiler would automatically dereference" } -impl_lint_pass!(Dereferencing => [ +impl_lint_pass!(Dereferencing<'_> => [ EXPLICIT_DEREF_METHODS, NEEDLESS_BORROW, REF_BINDING_TO_REFERENCE, @@ -149,7 +153,7 @@ impl_lint_pass!(Dereferencing => [ ]); #[derive(Default)] -pub struct Dereferencing { +pub struct Dereferencing<'tcx> { state: Option<(State, StateData)>, // While parsing a `deref` method call in ufcs form, the path to the function is itself an @@ -170,11 +174,16 @@ pub struct Dereferencing { /// e.g. `m!(x) | Foo::Bar(ref x)` ref_locals: FxIndexMap<HirId, Option<RefPat>>, + /// Stack of (body owner, `PossibleBorrowerMap`) pairs. Used by + /// `needless_borrow_impl_arg_position` to determine when a borrowed expression can instead + /// be moved. + possible_borrowers: Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, + // `IntoIterator` for arrays requires Rust 1.53. msrv: Option<RustcVersion>, } -impl Dereferencing { +impl<'tcx> Dereferencing<'tcx> { #[must_use] pub fn new(msrv: Option<RustcVersion>) -> Self { Self { @@ -244,7 +253,7 @@ struct RefPat { hir_id: HirId, } -impl<'tcx> LateLintPass<'tcx> for Dereferencing { +impl<'tcx> LateLintPass<'tcx> for Dereferencing<'tcx> { #[expect(clippy::too_many_lines)] fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { // Skip path expressions from deref calls. e.g. `Deref::deref(e)` @@ -278,7 +287,7 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing { match (self.state.take(), kind) { (None, kind) => { let expr_ty = typeck.expr_ty(expr); - let (position, adjustments) = walk_parents(cx, expr, self.msrv); + let (position, adjustments) = walk_parents(cx, &mut self.possible_borrowers, expr, self.msrv); match kind { RefOp::Deref => { if let Position::FieldAccess { @@ -550,6 +559,12 @@ impl<'tcx> LateLintPass<'tcx> for Dereferencing { } fn check_body_post(&mut self, cx: &LateContext<'tcx>, body: &'tcx Body<'_>) { + if self.possible_borrowers.last().map_or(false, |&(local_def_id, _)| { + local_def_id == cx.tcx.hir().body_owner_def_id(body.id()) + }) { + self.possible_borrowers.pop(); + } + if Some(body.id()) == self.current_body { for pat in self.ref_locals.drain(..).filter_map(|(_, x)| x) { let replacements = pat.replacements; @@ -682,6 +697,7 @@ impl Position { #[expect(clippy::too_many_lines)] fn walk_parents<'tcx>( cx: &LateContext<'tcx>, + possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, e: &'tcx Expr<'_>, msrv: Option<RustcVersion>, ) -> (Position, &'tcx [Adjustment<'tcx>]) { @@ -796,7 +812,16 @@ fn walk_parents<'tcx>( Some(hir_ty) => binding_ty_auto_deref_stability(cx, hir_ty, precedence, ty.bound_vars()), None => { if let ty::Param(param_ty) = ty.skip_binder().kind() { - needless_borrow_impl_arg_position(cx, parent, i, *param_ty, e, precedence, msrv) + needless_borrow_impl_arg_position( + cx, + possible_borrowers, + parent, + i, + *param_ty, + e, + precedence, + msrv, + ) } else { ty_auto_deref_stability(cx, cx.tcx.erase_late_bound_regions(ty), precedence) .position_for_arg() @@ -843,7 +868,16 @@ fn walk_parents<'tcx>( args.iter().position(|arg| arg.hir_id == child_id).map(|i| { let ty = cx.tcx.fn_sig(id).skip_binder().inputs()[i + 1]; if let ty::Param(param_ty) = ty.kind() { - needless_borrow_impl_arg_position(cx, parent, i + 1, *param_ty, e, precedence, msrv) + needless_borrow_impl_arg_position( + cx, + possible_borrowers, + parent, + i + 1, + *param_ty, + e, + precedence, + msrv, + ) } else { ty_auto_deref_stability( cx, @@ -1017,8 +1051,10 @@ fn ty_contains_infer(ty: &hir::Ty<'_>) -> bool { // If the conditions are met, returns `Some(Position::ImplArg(..))`; otherwise, returns `None`. // The "is copyable" condition is to avoid the case where removing the `&` means `e` would have to // be moved, but it cannot be. +#[expect(clippy::too_many_arguments)] fn needless_borrow_impl_arg_position<'tcx>( cx: &LateContext<'tcx>, + possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, parent: &Expr<'tcx>, arg_index: usize, param_ty: ParamTy, @@ -1081,10 +1117,13 @@ fn needless_borrow_impl_arg_position<'tcx>( // elements are modified each time `check_referent` is called. let mut substs_with_referent_ty = substs_with_expr_ty.to_vec(); - let mut check_referent = |referent| { + let mut check_reference_and_referent = |reference, referent| { let referent_ty = cx.typeck_results().expr_ty(referent); - if !is_copy(cx, referent_ty) { + if !is_copy(cx, referent_ty) + && (referent_ty.has_significant_drop(cx.tcx, cx.param_env) + || !referent_used_exactly_once(cx, possible_borrowers, reference)) + { return false; } @@ -1125,7 +1164,7 @@ fn needless_borrow_impl_arg_position<'tcx>( let mut needless_borrow = false; while let ExprKind::AddrOf(_, _, referent) = expr.kind { - if !check_referent(referent) { + if !check_reference_and_referent(expr, referent) { break; } expr = referent; @@ -1153,6 +1192,36 @@ fn has_ref_mut_self_method(cx: &LateContext<'_>, trait_def_id: DefId) -> bool { }) } +fn referent_used_exactly_once<'tcx>( + cx: &LateContext<'tcx>, + possible_borrowers: &mut Vec<(LocalDefId, PossibleBorrowerMap<'tcx, 'tcx>)>, + reference: &Expr<'tcx>, +) -> bool { + let mir = enclosing_mir(cx.tcx, reference.hir_id); + if let Some(local) = expr_local(cx.tcx, reference) + && let [location] = *local_assignments(mir, local).as_slice() + && let Some(statement) = mir.basic_blocks[location.block].statements.get(location.statement_index) + && let StatementKind::Assign(box (_, Rvalue::Ref(_, _, place))) = statement.kind + && !place.has_deref() + { + let body_owner_local_def_id = cx.tcx.hir().enclosing_body_owner(reference.hir_id); + if possible_borrowers + .last() + .map_or(true, |&(local_def_id, _)| local_def_id != body_owner_local_def_id) + { + possible_borrowers.push((body_owner_local_def_id, PossibleBorrowerMap::new(cx, mir))); + } + let possible_borrower = &mut possible_borrowers.last_mut().unwrap().1; + // If `only_borrowers` were used here, the `copyable_iterator::warn` test would fail. The reason is + // that `PossibleBorrowerVisitor::visit_terminator` considers `place.local` a possible borrower of + // itself. See the comment in that method for an explanation as to why. + possible_borrower.bounded_borrowers(&[local], &[local, place.local], place.local, location) + && used_exactly_once(mir, place.local).unwrap_or(false) + } else { + false + } +} + // Iteratively replaces `param_ty` with `new_ty` in `substs`, and similarly for each resulting // projected type that is a type parameter. Returns `false` if replacing the types would have an // effect on the function signature beyond substituting `new_ty` for `param_ty`. @@ -1437,8 +1506,8 @@ fn report<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, state: State, data } } -impl Dereferencing { - fn check_local_usage<'tcx>(&mut self, cx: &LateContext<'tcx>, e: &Expr<'tcx>, local: HirId) { +impl<'tcx> Dereferencing<'tcx> { + fn check_local_usage(&mut self, cx: &LateContext<'tcx>, e: &Expr<'tcx>, local: HirId) { if let Some(outer_pat) = self.ref_locals.get_mut(&local) { if let Some(pat) = outer_pat { // Check for auto-deref diff --git a/src/tools/clippy/clippy_lints/src/derive.rs b/src/tools/clippy/clippy_lints/src/derive.rs index 3fac93dcc90..fad984d05ca 100644 --- a/src/tools/clippy/clippy_lints/src/derive.rs +++ b/src/tools/clippy/clippy_lints/src/derive.rs @@ -339,10 +339,7 @@ fn check_copy_clone<'tcx>(cx: &LateContext<'tcx>, item: &Item<'_>, trait_ref: &h Some(id) if trait_ref.trait_def_id() == Some(id) => id, _ => return, }; - let copy_id = match cx.tcx.lang_items().copy_trait() { - Some(id) => id, - None => return, - }; + let Some(copy_id) = cx.tcx.lang_items().copy_trait() else { return }; let (ty_adt, ty_subs) = match *ty.kind() { // Unions can't derive clone. ty::Adt(adt, subs) if !adt.is_union() => (adt, subs), diff --git a/src/tools/clippy/clippy_lints/src/disallowed_methods.rs b/src/tools/clippy/clippy_lints/src/disallowed_methods.rs index 1a381f92c03..6ac85606d9c 100644 --- a/src/tools/clippy/clippy_lints/src/disallowed_methods.rs +++ b/src/tools/clippy/clippy_lints/src/disallowed_methods.rs @@ -94,9 +94,8 @@ impl<'tcx> LateLintPass<'tcx> for DisallowedMethods { } else { path_def_id(cx, expr) }; - let def_id = match uncalled_path.or_else(|| fn_def_id(cx, expr)) { - Some(def_id) => def_id, - None => return, + let Some(def_id) = uncalled_path.or_else(|| fn_def_id(cx, expr)) else { + return }; let conf = match self.disallowed.get(&def_id) { Some(&index) => &self.conf_disallowed[index], diff --git a/src/tools/clippy/clippy_lints/src/entry.rs b/src/tools/clippy/clippy_lints/src/entry.rs index 9c834cf0144..b44e6243588 100644 --- a/src/tools/clippy/clippy_lints/src/entry.rs +++ b/src/tools/clippy/clippy_lints/src/entry.rs @@ -65,28 +65,24 @@ declare_lint_pass!(HashMapPass => [MAP_ENTRY]); impl<'tcx> LateLintPass<'tcx> for HashMapPass { #[expect(clippy::too_many_lines)] fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - let (cond_expr, then_expr, else_expr) = match higher::If::hir(expr) { - Some(higher::If { cond, then, r#else }) => (cond, then, r#else), - _ => return, + let Some(higher::If { cond: cond_expr, then: then_expr, r#else: else_expr }) = higher::If::hir(expr) else { + return }; - let (map_ty, contains_expr) = match try_parse_contains(cx, cond_expr) { - Some(x) => x, - None => return, + let Some((map_ty, contains_expr)) = try_parse_contains(cx, cond_expr) else { + return }; - let then_search = match find_insert_calls(cx, &contains_expr, then_expr) { - Some(x) => x, - None => return, + let Some(then_search) = find_insert_calls(cx, &contains_expr, then_expr) else { + return }; let mut app = Applicability::MachineApplicable; let map_str = snippet_with_context(cx, contains_expr.map.span, contains_expr.call_ctxt, "..", &mut app).0; let key_str = snippet_with_context(cx, contains_expr.key.span, contains_expr.call_ctxt, "..", &mut app).0; let sugg = if let Some(else_expr) = else_expr { - let else_search = match find_insert_calls(cx, &contains_expr, else_expr) { - Some(search) => search, - None => return, + let Some(else_search) = find_insert_calls(cx, &contains_expr, else_expr) else { + return; }; if then_search.edits.is_empty() && else_search.edits.is_empty() { diff --git a/src/tools/clippy/clippy_lints/src/escape.rs b/src/tools/clippy/clippy_lints/src/escape.rs index eb0455ae404..c9a8307eba4 100644 --- a/src/tools/clippy/clippy_lints/src/escape.rs +++ b/src/tools/clippy/clippy_lints/src/escape.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_hir; use rustc_hir::intravisit; use rustc_hir::{self, AssocItemKind, Body, FnDecl, HirId, HirIdSet, Impl, ItemKind, Node, Pat, PatKind}; -use rustc_hir_analysis::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; +use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; @@ -178,7 +178,7 @@ impl<'a, 'tcx> Delegate<'tcx> for EscapeDelegate<'a, 'tcx> { fn fake_read( &mut self, - _: &rustc_hir_analysis::expr_use_visitor::PlaceWithHirId<'tcx>, + _: &rustc_hir_typeck::expr_use_visitor::PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId, ) { diff --git a/src/tools/clippy/clippy_lints/src/eta_reduction.rs b/src/tools/clippy/clippy_lints/src/eta_reduction.rs index 3732410e71e..7b9786d7e57 100644 --- a/src/tools/clippy/clippy_lints/src/eta_reduction.rs +++ b/src/tools/clippy/clippy_lints/src/eta_reduction.rs @@ -213,9 +213,8 @@ fn check_sig<'tcx>(cx: &LateContext<'tcx>, closure_ty: Ty<'tcx>, call_ty: Ty<'tc if !closure_ty.has_late_bound_regions() { return true; } - let substs = match closure_ty.kind() { - ty::Closure(_, substs) => substs, - _ => return false, + let ty::Closure(_, substs) = closure_ty.kind() else { + return false; }; let closure_sig = cx.tcx.signature_unclosure(substs.as_closure().sig(), Unsafety::Normal); cx.tcx.erase_late_bound_regions(closure_sig) == cx.tcx.erase_late_bound_regions(call_sig) diff --git a/src/tools/clippy/clippy_lints/src/format_args.rs b/src/tools/clippy/clippy_lints/src/format_args.rs index 99bef62f814..32073536b45 100644 --- a/src/tools/clippy/clippy_lints/src/format_args.rs +++ b/src/tools/clippy/clippy_lints/src/format_args.rs @@ -1,8 +1,10 @@ use clippy_utils::diagnostics::{span_lint_and_sugg, span_lint_and_then}; use clippy_utils::macros::FormatParamKind::{Implicit, Named, Numbered, Starred}; -use clippy_utils::macros::{is_format_macro, FormatArgsExpn, FormatParam, FormatParamUsage}; +use clippy_utils::macros::{ + is_format_macro, is_panic, root_macro_call, Count, FormatArg, FormatArgsExpn, FormatParam, FormatParamUsage, +}; use clippy_utils::source::snippet_opt; -use clippy_utils::ty::implements_trait; +use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; use clippy_utils::{is_diag_trait_item, meets_msrv, msrvs}; use if_chain::if_chain; use itertools::Itertools; @@ -13,6 +15,8 @@ use rustc_middle::ty::adjustment::{Adjust, Adjustment}; use rustc_middle::ty::Ty; use rustc_semver::RustcVersion; use rustc_session::{declare_tool_lint, impl_lint_pass}; +use rustc_span::def_id::DefId; +use rustc_span::edition::Edition::Edition2021; use rustc_span::{sym, ExpnData, ExpnKind, Span, Symbol}; declare_clippy_lint! { @@ -111,11 +115,47 @@ declare_clippy_lint! { /// nothing will be suggested, e.g. `println!("{0}={1}", var, 1+2)`. #[clippy::version = "1.65.0"] pub UNINLINED_FORMAT_ARGS, - pedantic, + style, "using non-inlined variables in `format!` calls" } -impl_lint_pass!(FormatArgs => [FORMAT_IN_FORMAT_ARGS, UNINLINED_FORMAT_ARGS, TO_STRING_IN_FORMAT_ARGS]); +declare_clippy_lint! { + /// ### What it does + /// Detects [formatting parameters] that have no effect on the output of + /// `format!()`, `println!()` or similar macros. + /// + /// ### Why is this bad? + /// Shorter format specifiers are easier to read, it may also indicate that + /// an expected formatting operation such as adding padding isn't happening. + /// + /// ### Example + /// ```rust + /// println!("{:.}", 1.0); + /// + /// println!("not padded: {:5}", format_args!("...")); + /// ``` + /// Use instead: + /// ```rust + /// println!("{}", 1.0); + /// + /// println!("not padded: {}", format_args!("...")); + /// // OR + /// println!("padded: {:5}", format!("...")); + /// ``` + /// + /// [formatting parameters]: https://doc.rust-lang.org/std/fmt/index.html#formatting-parameters + #[clippy::version = "1.66.0"] + pub UNUSED_FORMAT_SPECS, + complexity, + "use of a format specifier that has no effect" +} + +impl_lint_pass!(FormatArgs => [ + FORMAT_IN_FORMAT_ARGS, + TO_STRING_IN_FORMAT_ARGS, + UNINLINED_FORMAT_ARGS, + UNUSED_FORMAT_SPECS, +]); pub struct FormatArgs { msrv: Option<RustcVersion>, @@ -130,27 +170,26 @@ impl FormatArgs { impl<'tcx> LateLintPass<'tcx> for FormatArgs { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) { - if_chain! { - if let Some(format_args) = FormatArgsExpn::parse(cx, expr); - let expr_expn_data = expr.span.ctxt().outer_expn_data(); - let outermost_expn_data = outermost_expn_data(expr_expn_data); - if let Some(macro_def_id) = outermost_expn_data.macro_def_id; - if is_format_macro(cx, macro_def_id); - if let ExpnKind::Macro(_, name) = outermost_expn_data.kind; - then { - for arg in &format_args.args { - if !arg.format.is_default() { - continue; - } - if is_aliased(&format_args, arg.param.value.hir_id) { - continue; - } - check_format_in_format_args(cx, outermost_expn_data.call_site, name, arg.param.value); - check_to_string_in_format_args(cx, name, arg.param.value); + if let Some(format_args) = FormatArgsExpn::parse(cx, expr) + && let expr_expn_data = expr.span.ctxt().outer_expn_data() + && let outermost_expn_data = outermost_expn_data(expr_expn_data) + && let Some(macro_def_id) = outermost_expn_data.macro_def_id + && is_format_macro(cx, macro_def_id) + && let ExpnKind::Macro(_, name) = outermost_expn_data.kind + { + for arg in &format_args.args { + check_unused_format_specifier(cx, arg); + if !arg.format.is_default() { + continue; } - if meets_msrv(self.msrv, msrvs::FORMAT_ARGS_CAPTURE) { - check_uninlined_args(cx, &format_args, outermost_expn_data.call_site); + if is_aliased(&format_args, arg.param.value.hir_id) { + continue; } + check_format_in_format_args(cx, outermost_expn_data.call_site, name, arg.param.value); + check_to_string_in_format_args(cx, name, arg.param.value); + } + if meets_msrv(self.msrv, msrvs::FORMAT_ARGS_CAPTURE) { + check_uninlined_args(cx, &format_args, outermost_expn_data.call_site, macro_def_id); } } } @@ -158,10 +197,84 @@ impl<'tcx> LateLintPass<'tcx> for FormatArgs { extract_msrv_attr!(LateContext); } -fn check_uninlined_args(cx: &LateContext<'_>, args: &FormatArgsExpn<'_>, call_site: Span) { +fn check_unused_format_specifier(cx: &LateContext<'_>, arg: &FormatArg<'_>) { + let param_ty = cx.typeck_results().expr_ty(arg.param.value).peel_refs(); + + if let Count::Implied(Some(mut span)) = arg.format.precision + && !span.is_empty() + { + span_lint_and_then( + cx, + UNUSED_FORMAT_SPECS, + span, + "empty precision specifier has no effect", + |diag| { + if param_ty.is_floating_point() { + diag.note("a precision specifier is not required to format floats"); + } + + if arg.format.is_default() { + // If there's no other specifiers remove the `:` too + span = arg.format_span(); + } + + diag.span_suggestion_verbose(span, "remove the `.`", "", Applicability::MachineApplicable); + }, + ); + } + + if is_type_diagnostic_item(cx, param_ty, sym::Arguments) && !arg.format.is_default_for_trait() { + span_lint_and_then( + cx, + UNUSED_FORMAT_SPECS, + arg.span, + "format specifiers have no effect on `format_args!()`", + |diag| { + let mut suggest_format = |spec, span| { + let message = format!("for the {spec} to apply consider using `format!()`"); + + if let Some(mac_call) = root_macro_call(arg.param.value.span) + && cx.tcx.is_diagnostic_item(sym::format_args_macro, mac_call.def_id) + && arg.span.eq_ctxt(mac_call.span) + { + diag.span_suggestion( + cx.sess().source_map().span_until_char(mac_call.span, '!'), + message, + "format", + Applicability::MaybeIncorrect, + ); + } else if let Some(span) = span { + diag.span_help(span, message); + } + }; + + if !arg.format.width.is_implied() { + suggest_format("width", arg.format.width.span()); + } + + if !arg.format.precision.is_implied() { + suggest_format("precision", arg.format.precision.span()); + } + + diag.span_suggestion_verbose( + arg.format_span(), + "if the current behavior is intentional, remove the format specifiers", + "", + Applicability::MaybeIncorrect, + ); + }, + ); + } +} + +fn check_uninlined_args(cx: &LateContext<'_>, args: &FormatArgsExpn<'_>, call_site: Span, def_id: DefId) { if args.format_string.span.from_expansion() { return; } + if call_site.edition() < Edition2021 && is_panic(cx, def_id) { + // panic! before 2021 edition considers a single string argument as non-format + return; + } let mut fixes = Vec::new(); // If any of the arguments are referenced by an index number, @@ -248,7 +361,7 @@ fn check_format_in_format_args( fn check_to_string_in_format_args(cx: &LateContext<'_>, name: Symbol, value: &Expr<'_>) { if_chain! { if !value.span.from_expansion(); - if let ExprKind::MethodCall(_, receiver, [], _) = value.kind; + if let ExprKind::MethodCall(_, receiver, [], to_string_span) = value.kind; if let Some(method_def_id) = cx.typeck_results().type_dependent_def_id(value.hir_id); if is_diag_trait_item(cx, method_def_id, sym::ToString); let receiver_ty = cx.typeck_results().expr_ty(receiver); @@ -264,7 +377,7 @@ fn check_to_string_in_format_args(cx: &LateContext<'_>, name: Symbol, value: &Ex span_lint_and_sugg( cx, TO_STRING_IN_FORMAT_ARGS, - value.span.with_lo(receiver.span.hi()), + to_string_span.with_lo(receiver.span.hi()), &format!( "`to_string` applied to a type that implements `Display` in `{name}!` args" ), 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 5d25c1d0634..95eda4ea882 100644 --- a/src/tools/clippy/clippy_lints/src/from_over_into.rs +++ b/src/tools/clippy/clippy_lints/src/from_over_into.rs @@ -1,11 +1,19 @@ -use clippy_utils::diagnostics::span_lint_and_help; -use clippy_utils::{meets_msrv, msrvs}; -use if_chain::if_chain; -use rustc_hir as hir; +use clippy_utils::diagnostics::span_lint_and_then; +use clippy_utils::macros::span_is_local; +use clippy_utils::source::snippet_opt; +use clippy_utils::{meets_msrv, msrvs, path_def_id}; +use rustc_errors::Applicability; +use rustc_hir::intravisit::{walk_path, Visitor}; +use rustc_hir::{ + GenericArg, GenericArgs, HirId, Impl, ImplItemKind, ImplItemRef, Item, ItemKind, PatKind, Path, PathSegment, Ty, + TyKind, +}; use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::hir::nested_filter::OnlyBodies; use rustc_semver::RustcVersion; use rustc_session::{declare_tool_lint, impl_lint_pass}; -use rustc_span::symbol::sym; +use rustc_span::symbol::{kw, sym}; +use rustc_span::{Span, Symbol}; declare_clippy_lint! { /// ### What it does @@ -54,28 +62,152 @@ impl FromOverInto { impl_lint_pass!(FromOverInto => [FROM_OVER_INTO]); impl<'tcx> LateLintPass<'tcx> for FromOverInto { - fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx hir::Item<'_>) { - if !meets_msrv(self.msrv, msrvs::RE_REBALANCING_COHERENCE) { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { + if !meets_msrv(self.msrv, msrvs::RE_REBALANCING_COHERENCE) || !span_is_local(item.span) { return; } - if_chain! { - if let hir::ItemKind::Impl{ .. } = &item.kind; - if let Some(impl_trait_ref) = cx.tcx.impl_trait_ref(item.def_id); - if cx.tcx.is_diagnostic_item(sym::Into, impl_trait_ref.def_id); - - then { - span_lint_and_help( - cx, - FROM_OVER_INTO, - cx.tcx.sess.source_map().guess_head_span(item.span), - "an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true", - None, - &format!("consider to implement `From<{}>` instead", impl_trait_ref.self_ty()), - ); - } + if let ItemKind::Impl(Impl { + of_trait: Some(hir_trait_ref), + self_ty, + items: [impl_item_ref], + .. + }) = item.kind + && let Some(into_trait_seg) = hir_trait_ref.path.segments.last() + // `impl Into<target_ty> for self_ty` + && let Some(GenericArgs { args: [GenericArg::Type(target_ty)], .. }) = into_trait_seg.args + && let Some(middle_trait_ref) = cx.tcx.impl_trait_ref(item.def_id) + && cx.tcx.is_diagnostic_item(sym::Into, middle_trait_ref.def_id) + { + span_lint_and_then( + cx, + FROM_OVER_INTO, + cx.tcx.sess.source_map().guess_head_span(item.span), + "an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true", + |diag| { + // If the target type is likely foreign mention the orphan rules as it's a common source of confusion + if path_def_id(cx, target_ty.peel_refs()).map_or(true, |id| !id.is_local()) { + diag.help( + "`impl From<Local> for Foreign` is allowed by the orphan rules, for more information see\n\ + https://doc.rust-lang.org/reference/items/implementations.html#trait-implementation-coherence" + ); + } + + let message = format!("replace the `Into` implentation with `From<{}>`", middle_trait_ref.self_ty()); + if let Some(suggestions) = convert_to_from(cx, into_trait_seg, target_ty, self_ty, impl_item_ref) { + diag.multipart_suggestion(message, suggestions, Applicability::MachineApplicable); + } else { + diag.help(message); + } + }, + ); } } extract_msrv_attr!(LateContext); } + +/// Finds the occurences of `Self` and `self` +struct SelfFinder<'a, 'tcx> { + cx: &'a LateContext<'tcx>, + /// Occurences of `Self` + upper: Vec<Span>, + /// Occurences of `self` + lower: Vec<Span>, + /// If any of the `self`/`Self` usages were from an expansion, or the body contained a binding + /// already named `val` + invalid: bool, +} + +impl<'a, 'tcx> Visitor<'tcx> for SelfFinder<'a, 'tcx> { + type NestedFilter = OnlyBodies; + + fn nested_visit_map(&mut self) -> Self::Map { + self.cx.tcx.hir() + } + + fn visit_path(&mut self, path: &'tcx Path<'tcx>, _id: HirId) { + for segment in path.segments { + match segment.ident.name { + kw::SelfLower => self.lower.push(segment.ident.span), + kw::SelfUpper => self.upper.push(segment.ident.span), + _ => continue, + } + } + + self.invalid |= path.span.from_expansion(); + if !self.invalid { + walk_path(self, path); + } + } + + fn visit_name(&mut self, name: Symbol) { + if name == sym::val { + self.invalid = true; + } + } +} + +fn convert_to_from( + cx: &LateContext<'_>, + into_trait_seg: &PathSegment<'_>, + target_ty: &Ty<'_>, + self_ty: &Ty<'_>, + impl_item_ref: &ImplItemRef, +) -> Option<Vec<(Span, String)>> { + let impl_item = cx.tcx.hir().impl_item(impl_item_ref.id); + let ImplItemKind::Fn(ref sig, body_id) = impl_item.kind else { return None }; + let body = cx.tcx.hir().body(body_id); + let [input] = body.params else { return None }; + let PatKind::Binding(.., self_ident, None) = input.pat.kind else { return None }; + + let from = snippet_opt(cx, self_ty.span)?; + let into = snippet_opt(cx, target_ty.span)?; + + let mut suggestions = vec![ + // impl Into<T> for U -> impl From<T> for U + // ~~~~ ~~~~ + (into_trait_seg.ident.span, String::from("From")), + // impl Into<T> for U -> impl Into<U> for U + // ~ ~ + (target_ty.span, from.clone()), + // impl Into<T> for U -> impl Into<T> for T + // ~ ~ + (self_ty.span, into), + // fn into(self) -> T -> fn from(self) -> T + // ~~~~ ~~~~ + (impl_item.ident.span, String::from("from")), + // fn into([mut] self) -> T -> fn into([mut] v: T) -> T + // ~~~~ ~~~~ + (self_ident.span, format!("val: {from}")), + // fn into(self) -> T -> fn into(self) -> Self + // ~ ~~~~ + (sig.decl.output.span(), String::from("Self")), + ]; + + let mut finder = SelfFinder { + cx, + upper: Vec::new(), + lower: Vec::new(), + invalid: false, + }; + finder.visit_expr(body.value); + + if finder.invalid { + return None; + } + + // don't try to replace e.g. `Self::default()` with `&[T]::default()` + if !finder.upper.is_empty() && !matches!(self_ty.kind, TyKind::Path(_)) { + return None; + } + + for span in finder.upper { + suggestions.push((span, from.clone())); + } + for span in finder.lower { + suggestions.push((span, String::from("val"))); + } + + Some(suggestions) +} diff --git a/src/tools/clippy/clippy_lints/src/functions/must_use.rs b/src/tools/clippy/clippy_lints/src/functions/must_use.rs index d263804f32c..3064b6c9d22 100644 --- a/src/tools/clippy/clippy_lints/src/functions/must_use.rs +++ b/src/tools/clippy/clippy_lints/src/functions/must_use.rs @@ -7,14 +7,14 @@ use rustc_middle::{ lint::in_external_macro, ty::{self, Ty}, }; -use rustc_span::{sym, Span}; +use rustc_span::{sym, Span, Symbol}; use clippy_utils::attrs::is_proc_macro; use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then}; use clippy_utils::source::snippet_opt; use clippy_utils::ty::is_must_use_ty; use clippy_utils::visitors::for_each_expr; -use clippy_utils::{match_def_path, return_ty, trait_ref_of_method}; +use clippy_utils::{return_ty, trait_ref_of_method}; use core::ops::ControlFlow; @@ -181,7 +181,7 @@ fn is_mutable_pat(cx: &LateContext<'_>, pat: &hir::Pat<'_>, tys: &mut DefIdSet) } } -static KNOWN_WRAPPER_TYS: &[&[&str]] = &[&["alloc", "rc", "Rc"], &["std", "sync", "Arc"]]; +static KNOWN_WRAPPER_TYS: &[Symbol] = &[sym::Rc, sym::Arc]; fn is_mutable_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Span, tys: &mut DefIdSet) -> bool { match *ty.kind() { @@ -189,7 +189,9 @@ fn is_mutable_ty<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, span: Span, tys: &m ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => false, ty::Adt(adt, substs) => { tys.insert(adt.did()) && !ty.is_freeze(cx.tcx.at(span), cx.param_env) - || KNOWN_WRAPPER_TYS.iter().any(|path| match_def_path(cx, adt.did(), path)) + || KNOWN_WRAPPER_TYS + .iter() + .any(|&sym| cx.tcx.is_diagnostic_item(sym, adt.did())) && substs.types().any(|ty| is_mutable_ty(cx, ty, span, tys)) }, ty::Tuple(substs) => substs.iter().any(|ty| is_mutable_ty(cx, ty, span, tys)), diff --git a/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs b/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs index f83f8b40f94..bd473ac7e51 100644 --- a/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs +++ b/src/tools/clippy/clippy_lints/src/functions/too_many_lines.rs @@ -22,9 +22,8 @@ pub(super) fn check_fn( return; } - let code_snippet = match snippet_opt(cx, body.value.span) { - Some(s) => s, - _ => return, + let Some(code_snippet) = snippet_opt(cx, body.value.span) else { + return }; let mut line_count: u64 = 0; let mut in_comment = false; diff --git a/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs b/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs index 48edbf6ae57..29d59c26d92 100644 --- a/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs +++ b/src/tools/clippy/clippy_lints/src/implicit_saturating_sub.rs @@ -35,7 +35,7 @@ declare_clippy_lint! { /// ``` #[clippy::version = "1.44.0"] pub IMPLICIT_SATURATING_SUB, - pedantic, + style, "Perform saturating subtraction instead of implicitly checking lower bound of data type" } diff --git a/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs b/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs index 36e03e50a8e..0ef77e03de9 100644 --- a/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs +++ b/src/tools/clippy/clippy_lints/src/invalid_upcast_comparisons.rs @@ -145,9 +145,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidUpcastComparisons { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { if let ExprKind::Binary(ref cmp, lhs, rhs) = expr.kind { let normalized = comparisons::normalize_comparison(cmp.node, lhs, rhs); - let (rel, normalized_lhs, normalized_rhs) = if let Some(val) = normalized { - val - } else { + let Some((rel, normalized_lhs, normalized_rhs)) = normalized else { return; }; diff --git a/src/tools/clippy/clippy_lints/src/large_enum_variant.rs b/src/tools/clippy/clippy_lints/src/large_enum_variant.rs index eb13d0869c0..8ed7e4bb196 100644 --- a/src/tools/clippy/clippy_lints/src/large_enum_variant.rs +++ b/src/tools/clippy/clippy_lints/src/large_enum_variant.rs @@ -124,9 +124,8 @@ impl<'tcx> LateLintPass<'tcx> for LargeEnumVariant { } if let ItemKind::Enum(ref def, _) = item.kind { let ty = cx.tcx.type_of(item.def_id); - let (adt, subst) = match ty.kind() { - Adt(adt, subst) => (adt, subst), - _ => panic!("already checked whether this is an enum"), + let Adt(adt, subst) = ty.kind() else { + panic!("already checked whether this is an enum") }; if adt.variants().len() <= 1 { return; diff --git a/src/tools/clippy/clippy_lints/src/let_underscore.rs b/src/tools/clippy/clippy_lints/src/let_underscore.rs index 176787497eb..b7798b1c1d7 100644 --- a/src/tools/clippy/clippy_lints/src/let_underscore.rs +++ b/src/tools/clippy/clippy_lints/src/let_underscore.rs @@ -1,5 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_help; -use clippy_utils::ty::{is_must_use_ty, match_type}; +use clippy_utils::ty::{is_must_use_ty, is_type_diagnostic_item, match_type}; use clippy_utils::{is_must_use_func_call, paths}; use if_chain::if_chain; use rustc_hir::{Local, PatKind}; @@ -7,6 +7,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::lint::in_external_macro; use rustc_middle::ty::subst::GenericArgKind; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::{sym, Symbol}; declare_clippy_lint! { /// ### What it does @@ -99,10 +100,9 @@ declare_clippy_lint! { declare_lint_pass!(LetUnderscore => [LET_UNDERSCORE_MUST_USE, LET_UNDERSCORE_LOCK, LET_UNDERSCORE_DROP]); -const SYNC_GUARD_PATHS: [&[&str]; 6] = [ - &paths::MUTEX_GUARD, - &paths::RWLOCK_READ_GUARD, - &paths::RWLOCK_WRITE_GUARD, +const SYNC_GUARD_SYMS: [Symbol; 3] = [sym::MutexGuard, sym::RwLockReadGuard, sym::RwLockWriteGuard]; + +const SYNC_GUARD_PATHS: [&[&str]; 3] = [ &paths::PARKING_LOT_MUTEX_GUARD, &paths::PARKING_LOT_RWLOCK_READ_GUARD, &paths::PARKING_LOT_RWLOCK_WRITE_GUARD, @@ -121,7 +121,10 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { let init_ty = cx.typeck_results().expr_ty(init); let contains_sync_guard = init_ty.walk().any(|inner| match inner.unpack() { GenericArgKind::Type(inner_ty) => { - SYNC_GUARD_PATHS.iter().any(|path| match_type(cx, inner_ty, path)) + SYNC_GUARD_SYMS + .iter() + .any(|&sym| is_type_diagnostic_item(cx, inner_ty, sym)) + || SYNC_GUARD_PATHS.iter().any(|path| match_type(cx, inner_ty, path)) }, GenericArgKind::Lifetime(_) | GenericArgKind::Const(_) => false, @@ -134,7 +137,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { "non-binding let on a synchronization lock", None, "consider using an underscore-prefixed named \ - binding or dropping explicitly with `std::mem::drop`" + binding or dropping explicitly with `std::mem::drop`", ); } else if init_ty.needs_drop(cx.tcx, cx.param_env) { span_lint_and_help( @@ -144,7 +147,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { "non-binding `let` on a type that implements `Drop`", None, "consider using an underscore-prefixed named \ - binding or dropping explicitly with `std::mem::drop`" + binding or dropping explicitly with `std::mem::drop`", ); } else if is_must_use_ty(cx, cx.typeck_results().expr_ty(init)) { span_lint_and_help( @@ -153,7 +156,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { local.span, "non-binding let on an expression with `#[must_use]` type", None, - "consider explicitly using expression value" + "consider explicitly using expression value", ); } else if is_must_use_func_call(cx, init) { span_lint_and_help( @@ -162,7 +165,7 @@ impl<'tcx> LateLintPass<'tcx> for LetUnderscore { local.span, "non-binding let on a result of a `#[must_use]` function", None, - "consider explicitly using function result" + "consider explicitly using function result", ); } } diff --git a/src/tools/clippy/clippy_lints/src/lib.register_all.rs b/src/tools/clippy/clippy_lints/src/lib.register_all.rs index fe1f0b56646..f5ad52ba189 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_all.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_all.rs @@ -25,6 +25,7 @@ store.register_group(true, "clippy::all", Some("clippy_all"), vec![ LintId::of(casts::CAST_ABS_TO_UNSIGNED), LintId::of(casts::CAST_ENUM_CONSTRUCTOR), LintId::of(casts::CAST_ENUM_TRUNCATION), + LintId::of(casts::CAST_NAN_TO_INT), LintId::of(casts::CAST_REF_TO_MUT), LintId::of(casts::CAST_SLICE_DIFFERENT_SIZES), LintId::of(casts::CAST_SLICE_FROM_RAW_PARTS), @@ -71,6 +72,8 @@ store.register_group(true, "clippy::all", Some("clippy_all"), vec![ LintId::of(format::USELESS_FORMAT), LintId::of(format_args::FORMAT_IN_FORMAT_ARGS), LintId::of(format_args::TO_STRING_IN_FORMAT_ARGS), + LintId::of(format_args::UNINLINED_FORMAT_ARGS), + LintId::of(format_args::UNUSED_FORMAT_SPECS), LintId::of(format_impl::PRINT_IN_FORMAT_IMPL), LintId::of(format_impl::RECURSIVE_FORMAT_IMPL), LintId::of(formatting::POSSIBLE_MISSING_COMMA), @@ -87,6 +90,7 @@ store.register_group(true, "clippy::all", Some("clippy_all"), vec![ LintId::of(functions::TOO_MANY_ARGUMENTS), LintId::of(if_let_mutex::IF_LET_MUTEX), LintId::of(implicit_saturating_add::IMPLICIT_SATURATING_ADD), + LintId::of(implicit_saturating_sub::IMPLICIT_SATURATING_SUB), LintId::of(indexing_slicing::OUT_OF_BOUNDS_INDEXING), LintId::of(infinite_iter::INFINITE_ITER), LintId::of(inherent_to_string::INHERENT_TO_STRING), @@ -136,6 +140,7 @@ store.register_group(true, "clippy::all", Some("clippy_all"), vec![ LintId::of(match_result_ok::MATCH_RESULT_OK), LintId::of(matches::COLLAPSIBLE_MATCH), LintId::of(matches::INFALLIBLE_DESTRUCTURING_MATCH), + LintId::of(matches::MANUAL_FILTER), LintId::of(matches::MANUAL_MAP), LintId::of(matches::MANUAL_UNWRAP_OR), LintId::of(matches::MATCH_AS_REF), diff --git a/src/tools/clippy/clippy_lints/src/lib.register_complexity.rs b/src/tools/clippy/clippy_lints/src/lib.register_complexity.rs index a58d066fa6b..8be9dc4baf1 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_complexity.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_complexity.rs @@ -13,6 +13,7 @@ store.register_group(true, "clippy::complexity", Some("clippy_complexity"), vec! LintId::of(double_parens::DOUBLE_PARENS), LintId::of(explicit_write::EXPLICIT_WRITE), LintId::of(format::USELESS_FORMAT), + LintId::of(format_args::UNUSED_FORMAT_SPECS), LintId::of(functions::TOO_MANY_ARGUMENTS), LintId::of(int_plus_one::INT_PLUS_ONE), LintId::of(lifetimes::EXTRA_UNUSED_LIFETIMES), @@ -27,6 +28,7 @@ store.register_group(true, "clippy::complexity", Some("clippy_complexity"), vec! LintId::of(manual_strip::MANUAL_STRIP), LintId::of(map_unit_fn::OPTION_MAP_UNIT_FN), LintId::of(map_unit_fn::RESULT_MAP_UNIT_FN), + LintId::of(matches::MANUAL_FILTER), LintId::of(matches::MANUAL_UNWRAP_OR), LintId::of(matches::MATCH_AS_REF), LintId::of(matches::MATCH_SINGLE_BINDING), diff --git a/src/tools/clippy/clippy_lints/src/lib.register_internal.rs b/src/tools/clippy/clippy_lints/src/lib.register_internal.rs index 71dfdab369b..40c94c6e8d3 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_internal.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_internal.rs @@ -3,20 +3,20 @@ // Manual edits will be overwritten. store.register_group(true, "clippy::internal", Some("clippy_internal"), vec![ - LintId::of(utils::internal_lints::CLIPPY_LINTS_INTERNAL), - LintId::of(utils::internal_lints::COLLAPSIBLE_SPAN_LINT_CALLS), - LintId::of(utils::internal_lints::COMPILER_LINT_FUNCTIONS), - LintId::of(utils::internal_lints::DEFAULT_DEPRECATION_REASON), - LintId::of(utils::internal_lints::DEFAULT_LINT), - LintId::of(utils::internal_lints::IF_CHAIN_STYLE), - LintId::of(utils::internal_lints::INTERNING_DEFINED_SYMBOL), - LintId::of(utils::internal_lints::INVALID_CLIPPY_VERSION_ATTRIBUTE), - LintId::of(utils::internal_lints::INVALID_PATHS), - LintId::of(utils::internal_lints::LINT_WITHOUT_LINT_PASS), - LintId::of(utils::internal_lints::MISSING_CLIPPY_VERSION_ATTRIBUTE), - LintId::of(utils::internal_lints::MISSING_MSRV_ATTR_IMPL), - LintId::of(utils::internal_lints::OUTER_EXPN_EXPN_DATA), - LintId::of(utils::internal_lints::PRODUCE_ICE), - LintId::of(utils::internal_lints::UNNECESSARY_DEF_PATH), - LintId::of(utils::internal_lints::UNNECESSARY_SYMBOL_STR), + LintId::of(utils::internal_lints::clippy_lints_internal::CLIPPY_LINTS_INTERNAL), + LintId::of(utils::internal_lints::collapsible_calls::COLLAPSIBLE_SPAN_LINT_CALLS), + LintId::of(utils::internal_lints::compiler_lint_functions::COMPILER_LINT_FUNCTIONS), + LintId::of(utils::internal_lints::if_chain_style::IF_CHAIN_STYLE), + LintId::of(utils::internal_lints::interning_defined_symbol::INTERNING_DEFINED_SYMBOL), + LintId::of(utils::internal_lints::interning_defined_symbol::UNNECESSARY_SYMBOL_STR), + LintId::of(utils::internal_lints::invalid_paths::INVALID_PATHS), + LintId::of(utils::internal_lints::lint_without_lint_pass::DEFAULT_DEPRECATION_REASON), + LintId::of(utils::internal_lints::lint_without_lint_pass::DEFAULT_LINT), + LintId::of(utils::internal_lints::lint_without_lint_pass::INVALID_CLIPPY_VERSION_ATTRIBUTE), + LintId::of(utils::internal_lints::lint_without_lint_pass::LINT_WITHOUT_LINT_PASS), + LintId::of(utils::internal_lints::lint_without_lint_pass::MISSING_CLIPPY_VERSION_ATTRIBUTE), + LintId::of(utils::internal_lints::msrv_attr_impl::MISSING_MSRV_ATTR_IMPL), + LintId::of(utils::internal_lints::outer_expn_data_pass::OUTER_EXPN_EXPN_DATA), + LintId::of(utils::internal_lints::produce_ice::PRODUCE_ICE), + LintId::of(utils::internal_lints::unnecessary_def_path::UNNECESSARY_DEF_PATH), ]) diff --git a/src/tools/clippy/clippy_lints/src/lib.register_lints.rs b/src/tools/clippy/clippy_lints/src/lib.register_lints.rs index 306cb6a61c9..800e3a87671 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_lints.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_lints.rs @@ -4,37 +4,37 @@ store.register_lints(&[ #[cfg(feature = "internal")] - utils::internal_lints::CLIPPY_LINTS_INTERNAL, + utils::internal_lints::clippy_lints_internal::CLIPPY_LINTS_INTERNAL, #[cfg(feature = "internal")] - utils::internal_lints::COLLAPSIBLE_SPAN_LINT_CALLS, + utils::internal_lints::collapsible_calls::COLLAPSIBLE_SPAN_LINT_CALLS, #[cfg(feature = "internal")] - utils::internal_lints::COMPILER_LINT_FUNCTIONS, + utils::internal_lints::compiler_lint_functions::COMPILER_LINT_FUNCTIONS, #[cfg(feature = "internal")] - utils::internal_lints::DEFAULT_DEPRECATION_REASON, + utils::internal_lints::if_chain_style::IF_CHAIN_STYLE, #[cfg(feature = "internal")] - utils::internal_lints::DEFAULT_LINT, + utils::internal_lints::interning_defined_symbol::INTERNING_DEFINED_SYMBOL, #[cfg(feature = "internal")] - utils::internal_lints::IF_CHAIN_STYLE, + utils::internal_lints::interning_defined_symbol::UNNECESSARY_SYMBOL_STR, #[cfg(feature = "internal")] - utils::internal_lints::INTERNING_DEFINED_SYMBOL, + utils::internal_lints::invalid_paths::INVALID_PATHS, #[cfg(feature = "internal")] - utils::internal_lints::INVALID_CLIPPY_VERSION_ATTRIBUTE, + utils::internal_lints::lint_without_lint_pass::DEFAULT_DEPRECATION_REASON, #[cfg(feature = "internal")] - utils::internal_lints::INVALID_PATHS, + utils::internal_lints::lint_without_lint_pass::DEFAULT_LINT, #[cfg(feature = "internal")] - utils::internal_lints::LINT_WITHOUT_LINT_PASS, + utils::internal_lints::lint_without_lint_pass::INVALID_CLIPPY_VERSION_ATTRIBUTE, #[cfg(feature = "internal")] - utils::internal_lints::MISSING_CLIPPY_VERSION_ATTRIBUTE, + utils::internal_lints::lint_without_lint_pass::LINT_WITHOUT_LINT_PASS, #[cfg(feature = "internal")] - utils::internal_lints::MISSING_MSRV_ATTR_IMPL, + utils::internal_lints::lint_without_lint_pass::MISSING_CLIPPY_VERSION_ATTRIBUTE, #[cfg(feature = "internal")] - utils::internal_lints::OUTER_EXPN_EXPN_DATA, + utils::internal_lints::msrv_attr_impl::MISSING_MSRV_ATTR_IMPL, #[cfg(feature = "internal")] - utils::internal_lints::PRODUCE_ICE, + utils::internal_lints::outer_expn_data_pass::OUTER_EXPN_EXPN_DATA, #[cfg(feature = "internal")] - utils::internal_lints::UNNECESSARY_DEF_PATH, + utils::internal_lints::produce_ice::PRODUCE_ICE, #[cfg(feature = "internal")] - utils::internal_lints::UNNECESSARY_SYMBOL_STR, + utils::internal_lints::unnecessary_def_path::UNNECESSARY_DEF_PATH, almost_complete_letter_range::ALMOST_COMPLETE_LETTER_RANGE, approx_const::APPROX_CONSTANT, as_conversions::AS_CONVERSIONS, @@ -66,12 +66,14 @@ store.register_lints(&[ cargo::NEGATIVE_FEATURE_NAMES, cargo::REDUNDANT_FEATURE_NAMES, cargo::WILDCARD_DEPENDENCIES, + casts::AS_PTR_CAST_MUT, casts::AS_UNDERSCORE, casts::BORROW_AS_PTR, casts::CAST_ABS_TO_UNSIGNED, casts::CAST_ENUM_CONSTRUCTOR, casts::CAST_ENUM_TRUNCATION, casts::CAST_LOSSLESS, + casts::CAST_NAN_TO_INT, casts::CAST_POSSIBLE_TRUNCATION, casts::CAST_POSSIBLE_WRAP, casts::CAST_PRECISION_LOSS, @@ -162,6 +164,7 @@ store.register_lints(&[ format_args::FORMAT_IN_FORMAT_ARGS, format_args::TO_STRING_IN_FORMAT_ARGS, format_args::UNINLINED_FORMAT_ARGS, + format_args::UNUSED_FORMAT_SPECS, format_impl::PRINT_IN_FORMAT_IMPL, format_impl::RECURSIVE_FORMAT_IMPL, format_push_string::FORMAT_PUSH_STRING, @@ -258,6 +261,7 @@ store.register_lints(&[ match_result_ok::MATCH_RESULT_OK, matches::COLLAPSIBLE_MATCH, matches::INFALLIBLE_DESTRUCTURING_MATCH, + matches::MANUAL_FILTER, matches::MANUAL_MAP, matches::MANUAL_UNWRAP_OR, matches::MATCH_AS_REF, @@ -403,6 +407,7 @@ store.register_lints(&[ missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS, missing_enforced_import_rename::MISSING_ENFORCED_IMPORT_RENAMES, missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS, + missing_trait_methods::MISSING_TRAIT_METHODS, mixed_read_write_in_expression::DIVERGING_SUB_EXPRESSION, mixed_read_write_in_expression::MIXED_READ_WRITE_IN_EXPRESSION, module_style::MOD_MODULE_FILES, @@ -475,6 +480,7 @@ store.register_lints(&[ panic_unimplemented::TODO, panic_unimplemented::UNIMPLEMENTED, panic_unimplemented::UNREACHABLE, + partial_pub_fields::PARTIAL_PUB_FIELDS, partialeq_ne_impl::PARTIALEQ_NE_IMPL, partialeq_to_none::PARTIALEQ_TO_NONE, pass_by_ref_or_value::LARGE_TYPES_PASSED_BY_VALUE, diff --git a/src/tools/clippy/clippy_lints/src/lib.register_nursery.rs b/src/tools/clippy/clippy_lints/src/lib.register_nursery.rs index e0b4639af53..65616d28d8f 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_nursery.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_nursery.rs @@ -4,6 +4,7 @@ store.register_group(true, "clippy::nursery", Some("clippy_nursery"), vec![ LintId::of(attrs::EMPTY_LINE_AFTER_OUTER_ATTR), + LintId::of(casts::AS_PTR_CAST_MUT), LintId::of(cognitive_complexity::COGNITIVE_COMPLEXITY), LintId::of(copies::BRANCHES_SHARING_CODE), LintId::of(derive::DERIVE_PARTIAL_EQ_WITHOUT_EQ), diff --git a/src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs b/src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs index bc2f0beb358..060d3bdc7c6 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_pedantic.rs @@ -29,12 +29,10 @@ store.register_group(true, "clippy::pedantic", Some("clippy_pedantic"), vec![ LintId::of(eta_reduction::REDUNDANT_CLOSURE_FOR_METHOD_CALLS), LintId::of(excessive_bools::FN_PARAMS_EXCESSIVE_BOOLS), LintId::of(excessive_bools::STRUCT_EXCESSIVE_BOOLS), - LintId::of(format_args::UNINLINED_FORMAT_ARGS), LintId::of(functions::MUST_USE_CANDIDATE), LintId::of(functions::TOO_MANY_LINES), LintId::of(if_not_else::IF_NOT_ELSE), LintId::of(implicit_hasher::IMPLICIT_HASHER), - LintId::of(implicit_saturating_sub::IMPLICIT_SATURATING_SUB), LintId::of(inconsistent_struct_constructor::INCONSISTENT_STRUCT_CONSTRUCTOR), LintId::of(infinite_iter::MAYBE_INFINITE_ITER), LintId::of(invalid_upcast_comparisons::INVALID_UPCAST_COMPARISONS), diff --git a/src/tools/clippy/clippy_lints/src/lib.register_restriction.rs b/src/tools/clippy/clippy_lints/src/lib.register_restriction.rs index 6eb9b3d3b9b..f62d57af5b4 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_restriction.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_restriction.rs @@ -47,6 +47,7 @@ store.register_group(true, "clippy::restriction", Some("clippy_restriction"), ve LintId::of(missing_doc::MISSING_DOCS_IN_PRIVATE_ITEMS), LintId::of(missing_enforced_import_rename::MISSING_ENFORCED_IMPORT_RENAMES), LintId::of(missing_inline::MISSING_INLINE_IN_PUBLIC_ITEMS), + LintId::of(missing_trait_methods::MISSING_TRAIT_METHODS), LintId::of(mixed_read_write_in_expression::MIXED_READ_WRITE_IN_EXPRESSION), LintId::of(module_style::MOD_MODULE_FILES), LintId::of(module_style::SELF_NAMED_MODULE_FILES), @@ -61,6 +62,7 @@ store.register_group(true, "clippy::restriction", Some("clippy_restriction"), ve LintId::of(panic_unimplemented::TODO), LintId::of(panic_unimplemented::UNIMPLEMENTED), LintId::of(panic_unimplemented::UNREACHABLE), + LintId::of(partial_pub_fields::PARTIAL_PUB_FIELDS), LintId::of(pattern_type_mismatch::PATTERN_TYPE_MISMATCH), LintId::of(pub_use::PUB_USE), LintId::of(redundant_slicing::DEREF_BY_SLICING), diff --git a/src/tools/clippy/clippy_lints/src/lib.register_style.rs b/src/tools/clippy/clippy_lints/src/lib.register_style.rs index 8e1390167dc..6894d69e928 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_style.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_style.rs @@ -25,12 +25,14 @@ store.register_group(true, "clippy::style", Some("clippy_style"), vec![ LintId::of(enum_variants::MODULE_INCEPTION), LintId::of(eta_reduction::REDUNDANT_CLOSURE), LintId::of(float_literal::EXCESSIVE_PRECISION), + LintId::of(format_args::UNINLINED_FORMAT_ARGS), LintId::of(from_over_into::FROM_OVER_INTO), LintId::of(from_str_radix_10::FROM_STR_RADIX_10), LintId::of(functions::DOUBLE_MUST_USE), LintId::of(functions::MUST_USE_UNIT), LintId::of(functions::RESULT_UNIT_ERR), LintId::of(implicit_saturating_add::IMPLICIT_SATURATING_ADD), + LintId::of(implicit_saturating_sub::IMPLICIT_SATURATING_SUB), LintId::of(inherent_to_string::INHERENT_TO_STRING), LintId::of(init_numbered_fields::INIT_NUMBERED_FIELDS), LintId::of(len_zero::COMPARISON_TO_EMPTY), diff --git a/src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs b/src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs index d6d95c95c85..b70c4bb73e5 100644 --- a/src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs +++ b/src/tools/clippy/clippy_lints/src/lib.register_suspicious.rs @@ -11,6 +11,7 @@ store.register_group(true, "clippy::suspicious", Some("clippy_suspicious"), vec! LintId::of(casts::CAST_ABS_TO_UNSIGNED), LintId::of(casts::CAST_ENUM_CONSTRUCTOR), LintId::of(casts::CAST_ENUM_TRUNCATION), + LintId::of(casts::CAST_NAN_TO_INT), LintId::of(casts::CAST_SLICE_FROM_RAW_PARTS), LintId::of(crate_in_macro_def::CRATE_IN_MACRO_DEF), LintId::of(drop_forget_ref::DROP_NON_DROP), diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index 2dcefd78763..1307096b28d 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -32,13 +32,13 @@ extern crate rustc_driver; extern crate rustc_errors; extern crate rustc_hir; extern crate rustc_hir_analysis; +extern crate rustc_hir_typeck; extern crate rustc_hir_pretty; extern crate rustc_index; extern crate rustc_infer; extern crate rustc_lexer; extern crate rustc_lint; extern crate rustc_middle; -extern crate rustc_mir_dataflow; extern crate rustc_parse; extern crate rustc_session; extern crate rustc_span; @@ -290,6 +290,7 @@ mod missing_const_for_fn; mod missing_doc; mod missing_enforced_import_rename; mod missing_inline; +mod missing_trait_methods; mod mixed_read_write_in_expression; mod module_style; mod multi_assignments; @@ -325,6 +326,7 @@ mod option_if_let_else; mod overflow_check_conditional; mod panic_in_result_fn; mod panic_unimplemented; +mod partial_pub_fields; mod partialeq_ne_impl; mod partialeq_to_none; mod pass_by_ref_or_value; @@ -418,7 +420,7 @@ pub fn register_pre_expansion_lints(store: &mut rustc_lint::LintStore, sess: &Se let msrv = conf.msrv.as_ref().and_then(|s| { parse_msrv(s, None, None).or_else(|| { - sess.err(&format!( + sess.err(format!( "error reading Clippy's configuration file. `{s}` is not a valid Rust version" )); None @@ -434,7 +436,7 @@ fn read_msrv(conf: &Conf, sess: &Session) -> Option<RustcVersion> { .and_then(|v| parse_msrv(&v, None, None)); let clippy_msrv = conf.msrv.as_ref().and_then(|s| { parse_msrv(s, None, None).or_else(|| { - sess.err(&format!( + sess.err(format!( "error reading Clippy's configuration file. `{s}` is not a valid Rust version" )); None @@ -445,7 +447,7 @@ fn read_msrv(conf: &Conf, sess: &Session) -> Option<RustcVersion> { if let Some(clippy_msrv) = clippy_msrv { // if both files have an msrv, let's compare them and emit a warning if they differ if clippy_msrv != cargo_msrv { - sess.warn(&format!( + sess.warn(format!( "the MSRV in `clippy.toml` and `Cargo.toml` differ; using `{clippy_msrv}` from `clippy.toml`" )); } @@ -474,7 +476,7 @@ pub fn read_conf(sess: &Session) -> Conf { let TryConf { conf, errors, warnings } = utils::conf::read(&file_name); // all conf errors are non-fatal, we just use the default conf in case of error for error in errors { - sess.err(&format!( + sess.err(format!( "error reading Clippy's configuration file `{}`: {}", file_name.display(), format_error(error) @@ -482,7 +484,7 @@ pub fn read_conf(sess: &Session) -> Conf { } for warning in warnings { - sess.struct_warn(&format!( + sess.struct_warn(format!( "error reading Clippy's configuration file `{}`: {}", file_name.display(), format_error(warning) @@ -529,17 +531,23 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: // all the internal lints #[cfg(feature = "internal")] { - store.register_early_pass(|| Box::new(utils::internal_lints::ClippyLintsInternal)); - store.register_early_pass(|| Box::new(utils::internal_lints::ProduceIce)); - store.register_late_pass(|_| Box::new(utils::internal_lints::CollapsibleCalls)); - store.register_late_pass(|_| Box::new(utils::internal_lints::CompilerLintFunctions::new())); - store.register_late_pass(|_| Box::new(utils::internal_lints::IfChainStyle)); - store.register_late_pass(|_| Box::new(utils::internal_lints::InvalidPaths)); - store.register_late_pass(|_| Box::<utils::internal_lints::InterningDefinedSymbol>::default()); - store.register_late_pass(|_| Box::<utils::internal_lints::LintWithoutLintPass>::default()); - store.register_late_pass(|_| Box::new(utils::internal_lints::UnnecessaryDefPath)); - store.register_late_pass(|_| Box::new(utils::internal_lints::OuterExpnDataPass)); - store.register_late_pass(|_| Box::new(utils::internal_lints::MsrvAttrImpl)); + store.register_early_pass(|| Box::new(utils::internal_lints::clippy_lints_internal::ClippyLintsInternal)); + store.register_early_pass(|| Box::new(utils::internal_lints::produce_ice::ProduceIce)); + store.register_late_pass(|_| Box::new(utils::internal_lints::collapsible_calls::CollapsibleCalls)); + store.register_late_pass(|_| { + Box::new(utils::internal_lints::compiler_lint_functions::CompilerLintFunctions::new()) + }); + store.register_late_pass(|_| Box::new(utils::internal_lints::if_chain_style::IfChainStyle)); + store.register_late_pass(|_| Box::new(utils::internal_lints::invalid_paths::InvalidPaths)); + store.register_late_pass(|_| { + Box::<utils::internal_lints::interning_defined_symbol::InterningDefinedSymbol>::default() + }); + store.register_late_pass(|_| { + Box::<utils::internal_lints::lint_without_lint_pass::LintWithoutLintPass>::default() + }); + store.register_late_pass(|_| Box::<utils::internal_lints::unnecessary_def_path::UnnecessaryDefPath>::default()); + store.register_late_pass(|_| Box::new(utils::internal_lints::outer_expn_data_pass::OuterExpnDataPass)); + store.register_late_pass(|_| Box::new(utils::internal_lints::msrv_attr_impl::MsrvAttrImpl)); } let arithmetic_side_effects_allowed = conf.arithmetic_side_effects_allowed.clone(); @@ -909,6 +917,8 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: store.register_late_pass(|_| Box::new(bool_to_int_with_if::BoolToIntWithIf)); store.register_late_pass(|_| Box::new(box_default::BoxDefault)); store.register_late_pass(|_| Box::new(implicit_saturating_add::ImplicitSaturatingAdd)); + store.register_early_pass(|| Box::new(partial_pub_fields::PartialPubFields)); + store.register_late_pass(|_| Box::new(missing_trait_methods::MissingTraitMethods)); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs b/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs index db73ab55b37..91b321c4474 100644 --- a/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs +++ b/src/tools/clippy/clippy_lints/src/loops/mut_range_bound.rs @@ -4,7 +4,7 @@ use clippy_utils::{get_enclosing_block, higher, path_to_local}; use if_chain::if_chain; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{BindingAnnotation, Expr, ExprKind, HirId, Node, PatKind}; -use rustc_hir_analysis::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; +use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::{mir::FakeReadCause, ty}; @@ -115,7 +115,7 @@ impl<'tcx> Delegate<'tcx> for MutatePairDelegate<'_, 'tcx> { fn fake_read( &mut self, - _: &rustc_hir_analysis::expr_use_visitor::PlaceWithHirId<'tcx>, + _: &rustc_hir_typeck::expr_use_visitor::PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId, ) { diff --git a/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs b/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs index 00cfc6d49f1..27ba27202bf 100644 --- a/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs @@ -3,7 +3,7 @@ use clippy_utils::diagnostics::{multispan_sugg, span_lint_and_then}; use clippy_utils::source::snippet; use clippy_utils::ty::has_iter_method; use clippy_utils::visitors::is_local_used; -use clippy_utils::{contains_name, higher, is_integer_const, match_trait_method, paths, sugg, SpanlessEq}; +use clippy_utils::{contains_name, higher, is_integer_const, sugg, SpanlessEq}; use if_chain::if_chain; use rustc_ast::ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; @@ -263,7 +263,8 @@ impl<'a, 'tcx> VarVisitor<'a, 'tcx> { match res { Res::Local(hir_id) => { let parent_def_id = self.cx.tcx.hir().get_parent_item(expr.hir_id); - let extent = self.cx + let extent = self + .cx .tcx .region_scope_tree(parent_def_id) .var_scope(hir_id.local_id) @@ -274,11 +275,12 @@ impl<'a, 'tcx> VarVisitor<'a, 'tcx> { (Some(extent), self.cx.typeck_results().node_type(seqexpr.hir_id)), ); } else { - self.indexed_indirectly.insert(seqvar.segments[0].ident.name, Some(extent)); + self.indexed_indirectly + .insert(seqvar.segments[0].ident.name, Some(extent)); } - return false; // no need to walk further *on the variable* - } - Res::Def(DefKind::Static (_)| DefKind::Const, ..) => { + return false; // no need to walk further *on the variable* + }, + Res::Def(DefKind::Static(_) | DefKind::Const, ..) => { if index_used_directly { self.indexed_directly.insert( seqvar.segments[0].ident.name, @@ -287,8 +289,8 @@ impl<'a, 'tcx> VarVisitor<'a, 'tcx> { } else { self.indexed_indirectly.insert(seqvar.segments[0].ident.name, None); } - return false; // no need to walk further *on the variable* - } + return false; // no need to walk further *on the variable* + }, _ => (), } } @@ -302,17 +304,26 @@ impl<'a, 'tcx> Visitor<'tcx> for VarVisitor<'a, 'tcx> { if_chain! { // a range index op if let ExprKind::MethodCall(meth, args_0, [args_1, ..], _) = &expr.kind; - if (meth.ident.name == sym::index && match_trait_method(self.cx, expr, &paths::INDEX)) - || (meth.ident.name == sym::index_mut && match_trait_method(self.cx, expr, &paths::INDEX_MUT)); + if let Some(trait_id) = self + .cx + .typeck_results() + .type_dependent_def_id(expr.hir_id) + .and_then(|def_id| self.cx.tcx.trait_of_item(def_id)); + if (meth.ident.name == sym::index && self.cx.tcx.lang_items().index_trait() == Some(trait_id)) + || (meth.ident.name == sym::index_mut && self.cx.tcx.lang_items().index_mut_trait() == Some(trait_id)); if !self.check(args_1, args_0, expr); - then { return } + then { + return; + } } if_chain! { // an index op if let ExprKind::Index(seqexpr, idx) = expr.kind; if !self.check(idx, seqexpr, expr); - then { return } + then { + return; + } } if_chain! { diff --git a/src/tools/clippy/clippy_lints/src/loops/while_let_on_iterator.rs b/src/tools/clippy/clippy_lints/src/loops/while_let_on_iterator.rs index 153f97e4e66..55989f8a446 100644 --- a/src/tools/clippy/clippy_lints/src/loops/while_let_on_iterator.rs +++ b/src/tools/clippy/clippy_lints/src/loops/while_let_on_iterator.rs @@ -331,9 +331,8 @@ fn needs_mutable_borrow(cx: &LateContext<'_>, iter_expr: &IterExpr, loop_expr: & } if let Some(e) = get_enclosing_loop_or_multi_call_closure(cx, loop_expr) { - let local_id = match iter_expr.path { - Res::Local(id) => id, - _ => return true, + let Res::Local(local_id) = iter_expr.path else { + return true }; let mut v = NestedLoopVisitor { cx, diff --git a/src/tools/clippy/clippy_lints/src/manual_assert.rs b/src/tools/clippy/clippy_lints/src/manual_assert.rs index 825ec84b4a8..b8ed9b9ec18 100644 --- a/src/tools/clippy/clippy_lints/src/manual_assert.rs +++ b/src/tools/clippy/clippy_lints/src/manual_assert.rs @@ -69,11 +69,13 @@ impl<'tcx> LateLintPass<'tcx> for ManualAssert { "only a `panic!` in `if`-then statement", |diag| { // comments can be noisy, do not show them to the user - diag.tool_only_span_suggestion( - expr.span.shrink_to_lo(), - "add comments back", - comments, - applicability); + if !comments.is_empty() { + diag.tool_only_span_suggestion( + expr.span.shrink_to_lo(), + "add comments back", + comments, + applicability); + } diag.span_suggestion( expr.span, "try instead", diff --git a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs index 9a0a26c0991..090f9f8ff73 100644 --- a/src/tools/clippy/clippy_lints/src/manual_async_fn.rs +++ b/src/tools/clippy/clippy_lints/src/manual_async_fn.rs @@ -1,6 +1,5 @@ use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::match_function_call; -use clippy_utils::paths::FUTURE_FROM_GENERATOR; +use clippy_utils::match_function_call_with_def_id; use clippy_utils::source::{position_before_rarrow, snippet_block, snippet_opt}; use if_chain::if_chain; use rustc_errors::Applicability; @@ -140,9 +139,9 @@ fn future_output_ty<'tcx>(trait_ref: &'tcx TraitRef<'tcx>) -> Option<&'tcx Ty<'t if args.bindings.len() == 1; let binding = &args.bindings[0]; if binding.ident.name == sym::Output; - if let TypeBindingKind::Equality{term: Term::Ty(output)} = binding.kind; + if let TypeBindingKind::Equality { term: Term::Ty(output) } = binding.kind; then { - return Some(output) + return Some(output); } } @@ -175,9 +174,16 @@ fn captures_all_lifetimes(inputs: &[Ty<'_>], output_lifetimes: &[LifetimeName]) fn desugared_async_block<'tcx>(cx: &LateContext<'tcx>, block: &'tcx Block<'tcx>) -> Option<&'tcx Body<'tcx>> { if_chain! { if let Some(block_expr) = block.expr; - if let Some(args) = match_function_call(cx, block_expr, &FUTURE_FROM_GENERATOR); + if let Some(args) = cx + .tcx + .lang_items() + .from_generator_fn() + .and_then(|def_id| match_function_call_with_def_id(cx, block_expr, def_id)); if args.len() == 1; - if let Expr{kind: ExprKind::Closure(&Closure { body, .. }), ..} = args[0]; + if let Expr { + kind: ExprKind::Closure(&Closure { body, .. }), + .. + } = args[0]; let closure_body = cx.tcx.hir().body(body); if closure_body.generator_kind == Some(GeneratorKind::Async(AsyncGeneratorKind::Block)); then { diff --git a/src/tools/clippy/clippy_lints/src/manual_clamp.rs b/src/tools/clippy/clippy_lints/src/manual_clamp.rs index ece4df95505..02dc8755dd6 100644 --- a/src/tools/clippy/clippy_lints/src/manual_clamp.rs +++ b/src/tools/clippy/clippy_lints/src/manual_clamp.rs @@ -12,9 +12,9 @@ use std::ops::Deref; use clippy_utils::{ diagnostics::{span_lint_and_then, span_lint_hir_and_then}, - eq_expr_value, get_trait_def_id, + eq_expr_value, higher::If, - is_diag_trait_item, is_trait_method, meets_msrv, msrvs, path_res, path_to_local_id, paths, peel_blocks, + is_diag_trait_item, is_trait_method, meets_msrv, msrvs, path_res, path_to_local_id, peel_blocks, peel_blocks_with_stmt, sugg::Sugg, ty::implements_trait, @@ -190,7 +190,11 @@ impl TypeClampability { fn is_clampable<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> Option<TypeClampability> { if ty.is_floating_point() { Some(TypeClampability::Float) - } else if get_trait_def_id(cx, &paths::ORD).map_or(false, |id| implements_trait(cx, ty, id, &[])) { + } else if cx + .tcx + .get_diagnostic_item(sym::Ord) + .map_or(false, |id| implements_trait(cx, ty, id, &[])) + { Some(TypeClampability::Ord) } else { None diff --git a/src/tools/clippy/clippy_lints/src/matches/collapsible_match.rs b/src/tools/clippy/clippy_lints/src/matches/collapsible_match.rs index fd14d868df3..33a052c41a3 100644 --- a/src/tools/clippy/clippy_lints/src/matches/collapsible_match.rs +++ b/src/tools/clippy/clippy_lints/src/matches/collapsible_match.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::higher::IfLetOrMatch; +use clippy_utils::source::snippet; use clippy_utils::visitors::is_local_used; use clippy_utils::{ is_res_lang_ctor, is_unit_expr, path_to_local, peel_blocks_with_stmt, peel_ref_operators, SpanlessEq, @@ -63,7 +64,8 @@ fn check_arm<'tcx>( if !pat_contains_or(inner_then_pat); // the binding must come from the pattern of the containing match arm // ..<local>.. => match <local> { .. } - if let Some(binding_span) = find_pat_binding(outer_pat, binding_id); + if let (Some(binding_span), is_innermost_parent_pat_struct) + = find_pat_binding_and_is_innermost_parent_pat_struct(outer_pat, binding_id); // the "else" branches must be equal if match (outer_else_body, inner_else_body) { (None, None) => true, @@ -88,6 +90,13 @@ fn check_arm<'tcx>( if matches!(inner, IfLetOrMatch::Match(..)) { "match" } else { "if let" }, if outer_is_match { "match" } else { "if let" }, ); + // collapsing patterns need an explicit field name in struct pattern matching + // ex: Struct {x: Some(1)} + let replace_msg = if is_innermost_parent_pat_struct { + format!(", prefixed by {}:", snippet(cx, binding_span, "their field name")) + } else { + String::new() + }; span_lint_and_then( cx, COLLAPSIBLE_MATCH, @@ -96,7 +105,7 @@ fn check_arm<'tcx>( |diag| { let mut help_span = MultiSpan::from_spans(vec![binding_span, inner_then_pat.span]); help_span.push_span_label(binding_span, "replace this binding"); - help_span.push_span_label(inner_then_pat.span, "with this pattern"); + help_span.push_span_label(inner_then_pat.span, format!("with this pattern{replace_msg}")); diag.span_help(help_span, "the outer pattern can be modified to include the inner pattern"); }, ); @@ -117,8 +126,9 @@ fn arm_is_wild_like(cx: &LateContext<'_>, arm: &Arm<'_>) -> bool { } } -fn find_pat_binding(pat: &Pat<'_>, hir_id: HirId) -> Option<Span> { +fn find_pat_binding_and_is_innermost_parent_pat_struct(pat: &Pat<'_>, hir_id: HirId) -> (Option<Span>, bool) { let mut span = None; + let mut is_innermost_parent_pat_struct = false; pat.walk_short(|p| match &p.kind { // ignore OR patterns PatKind::Or(_) => false, @@ -129,9 +139,12 @@ fn find_pat_binding(pat: &Pat<'_>, hir_id: HirId) -> Option<Span> { } !found }, - _ => true, + _ => { + is_innermost_parent_pat_struct = matches!(p.kind, PatKind::Struct(..)); + true + }, }); - span + (span, is_innermost_parent_pat_struct) } fn pat_contains_or(pat: &Pat<'_>) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/matches/manual_filter.rs b/src/tools/clippy/clippy_lints/src/matches/manual_filter.rs new file mode 100644 index 00000000000..66ba1f6f9c5 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/matches/manual_filter.rs @@ -0,0 +1,153 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::ty::is_type_diagnostic_item; +use clippy_utils::visitors::contains_unsafe_block; +use clippy_utils::{is_res_lang_ctor, path_res, path_to_local_id}; + +use rustc_hir::LangItem::OptionSome; +use rustc_hir::{Arm, Expr, ExprKind, HirId, Pat, PatKind}; +use rustc_lint::LateContext; +use rustc_span::{sym, SyntaxContext}; + +use super::manual_utils::{check_with, SomeExpr}; +use super::MANUAL_FILTER; + +// Function called on the <expr> of `[&+]Some((ref | ref mut) x) => <expr>` +// Need to check if it's of the form `<expr>=if <cond> {<then_expr>} else {<else_expr>}` +// AND that only one `then/else_expr` resolves to `Some(x)` while the other resolves to `None` +// return the `cond` expression if so. +fn get_cond_expr<'tcx>( + cx: &LateContext<'tcx>, + pat: &Pat<'_>, + expr: &'tcx Expr<'_>, + ctxt: SyntaxContext, +) -> Option<SomeExpr<'tcx>> { + if_chain! { + if let Some(block_expr) = peels_blocks_incl_unsafe_opt(expr); + if let ExprKind::If(cond, then_expr, Some(else_expr)) = block_expr.kind; + if let PatKind::Binding(_,target, ..) = pat.kind; + if let (then_visitor, else_visitor) + = (is_some_expr(cx, target, ctxt, then_expr), + is_some_expr(cx, target, ctxt, else_expr)); + if then_visitor != else_visitor; // check that one expr resolves to `Some(x)`, the other to `None` + then { + return Some(SomeExpr { + expr: peels_blocks_incl_unsafe(cond.peel_drop_temps()), + needs_unsafe_block: contains_unsafe_block(cx, expr), + needs_negated: !then_visitor // if the `then_expr` resolves to `None`, need to negate the cond + }) + } + }; + None +} + +fn peels_blocks_incl_unsafe_opt<'a>(expr: &'a Expr<'a>) -> Option<&'a Expr<'a>> { + // we don't want to use `peel_blocks` here because we don't care if the block is unsafe, it's + // checked by `contains_unsafe_block` + if let ExprKind::Block(block, None) = expr.kind { + if block.stmts.is_empty() { + return block.expr; + } + }; + None +} + +fn peels_blocks_incl_unsafe<'a>(expr: &'a Expr<'a>) -> &'a Expr<'a> { + peels_blocks_incl_unsafe_opt(expr).unwrap_or(expr) +} + +// function called for each <expr> expression: +// Some(x) => if <cond> { +// <expr> +// } else { +// <expr> +// } +// Returns true if <expr> resolves to `Some(x)`, `false` otherwise +fn is_some_expr<'tcx>(cx: &LateContext<'_>, target: HirId, ctxt: SyntaxContext, expr: &'tcx Expr<'_>) -> bool { + if let Some(inner_expr) = peels_blocks_incl_unsafe_opt(expr) { + // there can be not statements in the block as they would be removed when switching to `.filter` + if let ExprKind::Call(callee, [arg]) = inner_expr.kind { + return ctxt == expr.span.ctxt() + && is_res_lang_ctor(cx, path_res(cx, callee), OptionSome) + && path_to_local_id(arg, target); + } + }; + false +} + +// given the closure: `|<pattern>| <expr>` +// returns `|&<pattern>| <expr>` +fn add_ampersand_if_copy(body_str: String, has_copy_trait: bool) -> String { + if has_copy_trait { + let mut with_ampersand = body_str; + with_ampersand.insert(1, '&'); + with_ampersand + } else { + body_str + } +} + +pub(super) fn check_match<'tcx>( + cx: &LateContext<'tcx>, + scrutinee: &'tcx Expr<'_>, + arms: &'tcx [Arm<'_>], + expr: &'tcx Expr<'_>, +) { + let ty = cx.typeck_results().expr_ty(expr); + if is_type_diagnostic_item(cx, ty, sym::Option) + && let [first_arm, second_arm] = arms + && first_arm.guard.is_none() + && second_arm.guard.is_none() + { + check(cx, expr, scrutinee, first_arm.pat, first_arm.body, Some(second_arm.pat), second_arm.body); + } +} + +pub(super) fn check_if_let<'tcx>( + cx: &LateContext<'tcx>, + expr: &'tcx Expr<'_>, + let_pat: &'tcx Pat<'_>, + let_expr: &'tcx Expr<'_>, + then_expr: &'tcx Expr<'_>, + else_expr: &'tcx Expr<'_>, +) { + check(cx, expr, let_expr, let_pat, then_expr, None, else_expr); +} + +fn check<'tcx>( + cx: &LateContext<'tcx>, + expr: &'tcx Expr<'_>, + scrutinee: &'tcx Expr<'_>, + then_pat: &'tcx Pat<'_>, + then_body: &'tcx Expr<'_>, + else_pat: Option<&'tcx Pat<'_>>, + else_body: &'tcx Expr<'_>, +) { + if let Some(sugg_info) = check_with( + cx, + expr, + scrutinee, + then_pat, + then_body, + else_pat, + else_body, + get_cond_expr, + ) { + let body_str = add_ampersand_if_copy(sugg_info.body_str, sugg_info.scrutinee_impl_copy); + span_lint_and_sugg( + cx, + MANUAL_FILTER, + expr.span, + "manual implementation of `Option::filter`", + "try this", + if sugg_info.needs_brackets { + format!( + "{{ {}{}.filter({body_str}) }}", + sugg_info.scrutinee_str, sugg_info.as_ref_str + ) + } else { + format!("{}{}.filter({body_str})", sugg_info.scrutinee_str, sugg_info.as_ref_str) + }, + sugg_info.app, + ); + } +} diff --git a/src/tools/clippy/clippy_lints/src/matches/manual_map.rs b/src/tools/clippy/clippy_lints/src/matches/manual_map.rs index 76f5e1c941c..aaba239677f 100644 --- a/src/tools/clippy/clippy_lints/src/matches/manual_map.rs +++ b/src/tools/clippy/clippy_lints/src/matches/manual_map.rs @@ -1,22 +1,13 @@ -use crate::{map_unit_fn::OPTION_MAP_UNIT_FN, matches::MATCH_AS_REF}; +use super::manual_utils::{check_with, SomeExpr}; +use super::MANUAL_MAP; use clippy_utils::diagnostics::span_lint_and_sugg; -use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; -use clippy_utils::ty::{is_type_diagnostic_item, peel_mid_ty_refs_is_mutable, type_is_unsafe_function}; -use clippy_utils::{ - can_move_expr_to_closure, is_else_clause, is_lint_allowed, is_res_lang_ctor, path_res, path_to_local_id, - peel_blocks, peel_hir_expr_refs, peel_hir_expr_while, CaptureKind, -}; -use rustc_ast::util::parser::PREC_POSTFIX; -use rustc_errors::Applicability; -use rustc_hir::LangItem::{OptionNone, OptionSome}; -use rustc_hir::{ - def::Res, Arm, BindingAnnotation, Block, BlockCheckMode, Expr, ExprKind, HirId, Mutability, Pat, PatKind, Path, - QPath, UnsafeSource, -}; -use rustc_lint::LateContext; -use rustc_span::{sym, SyntaxContext}; -use super::MANUAL_MAP; +use clippy_utils::{is_res_lang_ctor, path_res}; + +use rustc_hir::LangItem::OptionSome; +use rustc_hir::{Arm, Block, BlockCheckMode, Expr, ExprKind, Pat, UnsafeSource}; +use rustc_lint::LateContext; +use rustc_span::SyntaxContext; pub(super) fn check_match<'tcx>( cx: &LateContext<'tcx>, @@ -43,7 +34,6 @@ pub(super) fn check_if_let<'tcx>( check(cx, expr, let_expr, let_pat, then_expr, None, else_expr); } -#[expect(clippy::too_many_lines)] fn check<'tcx>( cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, @@ -53,254 +43,74 @@ fn check<'tcx>( else_pat: Option<&'tcx Pat<'_>>, else_body: &'tcx Expr<'_>, ) { - let (scrutinee_ty, ty_ref_count, ty_mutability) = - peel_mid_ty_refs_is_mutable(cx.typeck_results().expr_ty(scrutinee)); - if !(is_type_diagnostic_item(cx, scrutinee_ty, sym::Option) - && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::Option)) - { - return; - } - - let expr_ctxt = expr.span.ctxt(); - let (some_expr, some_pat, pat_ref_count, is_wild_none) = match ( - try_parse_pattern(cx, then_pat, expr_ctxt), - else_pat.map_or(Some(OptionPat::Wild), |p| try_parse_pattern(cx, p, expr_ctxt)), + if let Some(sugg_info) = check_with( + cx, + expr, + scrutinee, + then_pat, + then_body, + else_pat, + else_body, + get_some_expr, ) { - (Some(OptionPat::Wild), Some(OptionPat::Some { pattern, ref_count })) if is_none_expr(cx, then_body) => { - (else_body, pattern, ref_count, true) - }, - (Some(OptionPat::None), Some(OptionPat::Some { pattern, ref_count })) if is_none_expr(cx, then_body) => { - (else_body, pattern, ref_count, false) - }, - (Some(OptionPat::Some { pattern, ref_count }), Some(OptionPat::Wild)) if is_none_expr(cx, else_body) => { - (then_body, pattern, ref_count, true) - }, - (Some(OptionPat::Some { pattern, ref_count }), Some(OptionPat::None)) if is_none_expr(cx, else_body) => { - (then_body, pattern, ref_count, false) - }, - _ => return, - }; - - // Top level or patterns aren't allowed in closures. - if matches!(some_pat.kind, PatKind::Or(_)) { - return; - } - - let some_expr = match get_some_expr(cx, some_expr, false, expr_ctxt) { - Some(expr) => expr, - None => return, - }; - - // These two lints will go back and forth with each other. - if cx.typeck_results().expr_ty(some_expr.expr) == cx.tcx.types.unit - && !is_lint_allowed(cx, OPTION_MAP_UNIT_FN, expr.hir_id) - { - return; - } - - // `map` won't perform any adjustments. - if !cx.typeck_results().expr_adjustments(some_expr.expr).is_empty() { - return; - } - - // Determine which binding mode to use. - let explicit_ref = some_pat.contains_explicit_ref_binding(); - let binding_ref = explicit_ref.or_else(|| (ty_ref_count != pat_ref_count).then_some(ty_mutability)); - - let as_ref_str = match binding_ref { - Some(Mutability::Mut) => ".as_mut()", - Some(Mutability::Not) => ".as_ref()", - None => "", - }; - - match can_move_expr_to_closure(cx, some_expr.expr) { - Some(captures) => { - // Check if captures the closure will need conflict with borrows made in the scrutinee. - // TODO: check all the references made in the scrutinee expression. This will require interacting - // with the borrow checker. Currently only `<local>[.<field>]*` is checked for. - if let Some(binding_ref_mutability) = binding_ref { - let e = peel_hir_expr_while(scrutinee, |e| match e.kind { - ExprKind::Field(e, _) | ExprKind::AddrOf(_, _, e) => Some(e), - _ => None, - }); - if let ExprKind::Path(QPath::Resolved(None, Path { res: Res::Local(l), .. })) = e.kind { - match captures.get(l) { - Some(CaptureKind::Value | CaptureKind::Ref(Mutability::Mut)) => return, - Some(CaptureKind::Ref(Mutability::Not)) if binding_ref_mutability == Mutability::Mut => { - return; - }, - Some(CaptureKind::Ref(Mutability::Not)) | None => (), - } - } - } - }, - None => return, - }; - - let mut app = Applicability::MachineApplicable; - - // Remove address-of expressions from the scrutinee. Either `as_ref` will be called, or - // it's being passed by value. - let scrutinee = peel_hir_expr_refs(scrutinee).0; - let (scrutinee_str, _) = snippet_with_context(cx, scrutinee.span, expr_ctxt, "..", &mut app); - let scrutinee_str = if scrutinee.span.ctxt() == expr.span.ctxt() && scrutinee.precedence().order() < PREC_POSTFIX { - format!("({scrutinee_str})") - } else { - scrutinee_str.into() - }; - - let body_str = if let PatKind::Binding(annotation, id, some_binding, None) = some_pat.kind { - if_chain! { - if !some_expr.needs_unsafe_block; - if let Some(func) = can_pass_as_func(cx, id, some_expr.expr); - if func.span.ctxt() == some_expr.expr.span.ctxt(); - then { - snippet_with_applicability(cx, func.span, "..", &mut app).into_owned() + span_lint_and_sugg( + cx, + MANUAL_MAP, + expr.span, + "manual implementation of `Option::map`", + "try this", + if sugg_info.needs_brackets { + format!( + "{{ {}{}.map({}) }}", + sugg_info.scrutinee_str, sugg_info.as_ref_str, sugg_info.body_str + ) } else { - if path_to_local_id(some_expr.expr, id) - && !is_lint_allowed(cx, MATCH_AS_REF, expr.hir_id) - && binding_ref.is_some() - { - return; - } - - // `ref` and `ref mut` annotations were handled earlier. - let annotation = if matches!(annotation, BindingAnnotation::MUT) { - "mut " - } else { - "" - }; - let expr_snip = snippet_with_context(cx, some_expr.expr.span, expr_ctxt, "..", &mut app).0; - if some_expr.needs_unsafe_block { - format!("|{annotation}{some_binding}| unsafe {{ {expr_snip} }}") - } else { - format!("|{annotation}{some_binding}| {expr_snip}") - } - } - } - } else if !is_wild_none && explicit_ref.is_none() { - // TODO: handle explicit reference annotations. - let pat_snip = snippet_with_context(cx, some_pat.span, expr_ctxt, "..", &mut app).0; - let expr_snip = snippet_with_context(cx, some_expr.expr.span, expr_ctxt, "..", &mut app).0; - if some_expr.needs_unsafe_block { - format!("|{pat_snip}| unsafe {{ {expr_snip} }}") - } else { - format!("|{pat_snip}| {expr_snip}") - } - } else { - // Refutable bindings and mixed reference annotations can't be handled by `map`. - return; - }; - - span_lint_and_sugg( - cx, - MANUAL_MAP, - expr.span, - "manual implementation of `Option::map`", - "try this", - if else_pat.is_none() && is_else_clause(cx.tcx, expr) { - format!("{{ {scrutinee_str}{as_ref_str}.map({body_str}) }}") - } else { - format!("{scrutinee_str}{as_ref_str}.map({body_str})") - }, - app, - ); -} - -// Checks whether the expression could be passed as a function, or whether a closure is needed. -// Returns the function to be passed to `map` if it exists. -fn can_pass_as_func<'tcx>(cx: &LateContext<'tcx>, binding: HirId, expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> { - match expr.kind { - ExprKind::Call(func, [arg]) - if path_to_local_id(arg, binding) - && cx.typeck_results().expr_adjustments(arg).is_empty() - && !type_is_unsafe_function(cx, cx.typeck_results().expr_ty(func).peel_refs()) => - { - Some(func) - }, - _ => None, - } -} - -enum OptionPat<'a> { - Wild, - None, - Some { - // The pattern contained in the `Some` tuple. - pattern: &'a Pat<'a>, - // The number of references before the `Some` tuple. - // e.g. `&&Some(_)` has a ref count of 2. - ref_count: usize, - }, -} - -struct SomeExpr<'tcx> { - expr: &'tcx Expr<'tcx>, - needs_unsafe_block: bool, -} - -// Try to parse into a recognized `Option` pattern. -// i.e. `_`, `None`, `Some(..)`, or a reference to any of those. -fn try_parse_pattern<'tcx>(cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>, ctxt: SyntaxContext) -> Option<OptionPat<'tcx>> { - fn f<'tcx>( - cx: &LateContext<'tcx>, - pat: &'tcx Pat<'_>, - ref_count: usize, - ctxt: SyntaxContext, - ) -> Option<OptionPat<'tcx>> { - match pat.kind { - PatKind::Wild => Some(OptionPat::Wild), - PatKind::Ref(pat, _) => f(cx, pat, ref_count + 1, ctxt), - PatKind::Path(ref qpath) if is_res_lang_ctor(cx, cx.qpath_res(qpath, pat.hir_id), OptionNone) => { - Some(OptionPat::None) - }, - PatKind::TupleStruct(ref qpath, [pattern], _) - if is_res_lang_ctor(cx, cx.qpath_res(qpath, pat.hir_id), OptionSome) && pat.span.ctxt() == ctxt => - { - Some(OptionPat::Some { pattern, ref_count }) + format!( + "{}{}.map({})", + sugg_info.scrutinee_str, sugg_info.as_ref_str, sugg_info.body_str + ) }, - _ => None, - } + sugg_info.app, + ); } - f(cx, pat, 0, ctxt) } // Checks for an expression wrapped by the `Some` constructor. Returns the contained expression. fn get_some_expr<'tcx>( cx: &LateContext<'tcx>, + _: &'tcx Pat<'_>, expr: &'tcx Expr<'_>, - needs_unsafe_block: bool, ctxt: SyntaxContext, ) -> Option<SomeExpr<'tcx>> { - // TODO: Allow more complex expressions. - match expr.kind { - ExprKind::Call(callee, [arg]) - if ctxt == expr.span.ctxt() && is_res_lang_ctor(cx, path_res(cx, callee), OptionSome) => - { - Some(SomeExpr { - expr: arg, - needs_unsafe_block, - }) - }, - ExprKind::Block( - Block { - stmts: [], - expr: Some(expr), - rules, - .. + fn get_some_expr_internal<'tcx>( + cx: &LateContext<'tcx>, + expr: &'tcx Expr<'_>, + needs_unsafe_block: bool, + ctxt: SyntaxContext, + ) -> Option<SomeExpr<'tcx>> { + // TODO: Allow more complex expressions. + match expr.kind { + ExprKind::Call(callee, [arg]) + if ctxt == expr.span.ctxt() && is_res_lang_ctor(cx, path_res(cx, callee), OptionSome) => + { + Some(SomeExpr::new_no_negated(arg, needs_unsafe_block)) }, - _, - ) => get_some_expr( - cx, - expr, - needs_unsafe_block || *rules == BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided), - ctxt, - ), - _ => None, + ExprKind::Block( + Block { + stmts: [], + expr: Some(expr), + rules, + .. + }, + _, + ) => get_some_expr_internal( + cx, + expr, + needs_unsafe_block || *rules == BlockCheckMode::UnsafeBlock(UnsafeSource::UserProvided), + ctxt, + ), + _ => None, + } } -} - -// Checks for the `None` value. -fn is_none_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { - is_res_lang_ctor(cx, path_res(cx, peel_blocks(expr)), OptionNone) + get_some_expr_internal(cx, expr, false, ctxt) } diff --git a/src/tools/clippy/clippy_lints/src/matches/manual_utils.rs b/src/tools/clippy/clippy_lints/src/matches/manual_utils.rs new file mode 100644 index 00000000000..5b7644a5383 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/matches/manual_utils.rs @@ -0,0 +1,277 @@ +use crate::{map_unit_fn::OPTION_MAP_UNIT_FN, matches::MATCH_AS_REF}; +use clippy_utils::source::{snippet_with_applicability, snippet_with_context}; +use clippy_utils::ty::{is_copy, is_type_diagnostic_item, peel_mid_ty_refs_is_mutable, type_is_unsafe_function}; +use clippy_utils::{ + can_move_expr_to_closure, is_else_clause, is_lint_allowed, is_res_lang_ctor, path_res, path_to_local_id, + peel_blocks, peel_hir_expr_refs, peel_hir_expr_while, sugg::Sugg, CaptureKind, +}; +use rustc_ast::util::parser::PREC_POSTFIX; +use rustc_errors::Applicability; +use rustc_hir::LangItem::{OptionNone, OptionSome}; +use rustc_hir::{def::Res, BindingAnnotation, Expr, ExprKind, HirId, Mutability, Pat, PatKind, Path, QPath}; +use rustc_lint::LateContext; +use rustc_span::{sym, SyntaxContext}; + +#[expect(clippy::too_many_arguments)] +#[expect(clippy::too_many_lines)] +pub(super) fn check_with<'tcx, F>( + cx: &LateContext<'tcx>, + expr: &'tcx Expr<'_>, + scrutinee: &'tcx Expr<'_>, + then_pat: &'tcx Pat<'_>, + then_body: &'tcx Expr<'_>, + else_pat: Option<&'tcx Pat<'_>>, + else_body: &'tcx Expr<'_>, + get_some_expr_fn: F, +) -> Option<SuggInfo<'tcx>> +where + F: Fn(&LateContext<'tcx>, &'tcx Pat<'_>, &'tcx Expr<'_>, SyntaxContext) -> Option<SomeExpr<'tcx>>, +{ + let (scrutinee_ty, ty_ref_count, ty_mutability) = + peel_mid_ty_refs_is_mutable(cx.typeck_results().expr_ty(scrutinee)); + if !(is_type_diagnostic_item(cx, scrutinee_ty, sym::Option) + && is_type_diagnostic_item(cx, cx.typeck_results().expr_ty(expr), sym::Option)) + { + return None; + } + + let expr_ctxt = expr.span.ctxt(); + let (some_expr, some_pat, pat_ref_count, is_wild_none) = match ( + try_parse_pattern(cx, then_pat, expr_ctxt), + else_pat.map_or(Some(OptionPat::Wild), |p| try_parse_pattern(cx, p, expr_ctxt)), + ) { + (Some(OptionPat::Wild), Some(OptionPat::Some { pattern, ref_count })) if is_none_expr(cx, then_body) => { + (else_body, pattern, ref_count, true) + }, + (Some(OptionPat::None), Some(OptionPat::Some { pattern, ref_count })) if is_none_expr(cx, then_body) => { + (else_body, pattern, ref_count, false) + }, + (Some(OptionPat::Some { pattern, ref_count }), Some(OptionPat::Wild)) if is_none_expr(cx, else_body) => { + (then_body, pattern, ref_count, true) + }, + (Some(OptionPat::Some { pattern, ref_count }), Some(OptionPat::None)) if is_none_expr(cx, else_body) => { + (then_body, pattern, ref_count, false) + }, + _ => return None, + }; + + // Top level or patterns aren't allowed in closures. + if matches!(some_pat.kind, PatKind::Or(_)) { + return None; + } + + let Some(some_expr) = get_some_expr_fn(cx, some_pat, some_expr, expr_ctxt) else { + return None; + }; + + // These two lints will go back and forth with each other. + if cx.typeck_results().expr_ty(some_expr.expr) == cx.tcx.types.unit + && !is_lint_allowed(cx, OPTION_MAP_UNIT_FN, expr.hir_id) + { + return None; + } + + // `map` won't perform any adjustments. + if !cx.typeck_results().expr_adjustments(some_expr.expr).is_empty() { + return None; + } + + // Determine which binding mode to use. + let explicit_ref = some_pat.contains_explicit_ref_binding(); + let binding_ref = explicit_ref.or_else(|| (ty_ref_count != pat_ref_count).then_some(ty_mutability)); + + let as_ref_str = match binding_ref { + Some(Mutability::Mut) => ".as_mut()", + Some(Mutability::Not) => ".as_ref()", + None => "", + }; + + match can_move_expr_to_closure(cx, some_expr.expr) { + Some(captures) => { + // Check if captures the closure will need conflict with borrows made in the scrutinee. + // TODO: check all the references made in the scrutinee expression. This will require interacting + // with the borrow checker. Currently only `<local>[.<field>]*` is checked for. + if let Some(binding_ref_mutability) = binding_ref { + let e = peel_hir_expr_while(scrutinee, |e| match e.kind { + ExprKind::Field(e, _) | ExprKind::AddrOf(_, _, e) => Some(e), + _ => None, + }); + if let ExprKind::Path(QPath::Resolved(None, Path { res: Res::Local(l), .. })) = e.kind { + match captures.get(l) { + Some(CaptureKind::Value | CaptureKind::Ref(Mutability::Mut)) => return None, + Some(CaptureKind::Ref(Mutability::Not)) if binding_ref_mutability == Mutability::Mut => { + return None; + }, + Some(CaptureKind::Ref(Mutability::Not)) | None => (), + } + } + } + }, + None => return None, + }; + + let mut app = Applicability::MachineApplicable; + + // Remove address-of expressions from the scrutinee. Either `as_ref` will be called, or + // it's being passed by value. + let scrutinee = peel_hir_expr_refs(scrutinee).0; + let (scrutinee_str, _) = snippet_with_context(cx, scrutinee.span, expr_ctxt, "..", &mut app); + let scrutinee_str = if scrutinee.span.ctxt() == expr.span.ctxt() && scrutinee.precedence().order() < PREC_POSTFIX { + format!("({scrutinee_str})") + } else { + scrutinee_str.into() + }; + + let closure_expr_snip = some_expr.to_snippet_with_context(cx, expr_ctxt, &mut app); + let body_str = if let PatKind::Binding(annotation, id, some_binding, None) = some_pat.kind { + if_chain! { + if !some_expr.needs_unsafe_block; + if let Some(func) = can_pass_as_func(cx, id, some_expr.expr); + if func.span.ctxt() == some_expr.expr.span.ctxt(); + then { + snippet_with_applicability(cx, func.span, "..", &mut app).into_owned() + } else { + if path_to_local_id(some_expr.expr, id) + && !is_lint_allowed(cx, MATCH_AS_REF, expr.hir_id) + && binding_ref.is_some() + { + return None; + } + + // `ref` and `ref mut` annotations were handled earlier. + let annotation = if matches!(annotation, BindingAnnotation::MUT) { + "mut " + } else { + "" + }; + + if some_expr.needs_unsafe_block { + format!("|{annotation}{some_binding}| unsafe {{ {closure_expr_snip} }}") + } else { + format!("|{annotation}{some_binding}| {closure_expr_snip}") + } + } + } + } else if !is_wild_none && explicit_ref.is_none() { + // TODO: handle explicit reference annotations. + let pat_snip = snippet_with_context(cx, some_pat.span, expr_ctxt, "..", &mut app).0; + if some_expr.needs_unsafe_block { + format!("|{pat_snip}| unsafe {{ {closure_expr_snip} }}") + } else { + format!("|{pat_snip}| {closure_expr_snip}") + } + } else { + // Refutable bindings and mixed reference annotations can't be handled by `map`. + return None; + }; + + // relies on the fact that Option<T>: Copy where T: copy + let scrutinee_impl_copy = is_copy(cx, scrutinee_ty); + + Some(SuggInfo { + needs_brackets: else_pat.is_none() && is_else_clause(cx.tcx, expr), + scrutinee_impl_copy, + scrutinee_str, + as_ref_str, + body_str, + app, + }) +} + +pub struct SuggInfo<'a> { + pub needs_brackets: bool, + pub scrutinee_impl_copy: bool, + pub scrutinee_str: String, + pub as_ref_str: &'a str, + pub body_str: String, + pub app: Applicability, +} + +// Checks whether the expression could be passed as a function, or whether a closure is needed. +// Returns the function to be passed to `map` if it exists. +fn can_pass_as_func<'tcx>(cx: &LateContext<'tcx>, binding: HirId, expr: &'tcx Expr<'_>) -> Option<&'tcx Expr<'tcx>> { + match expr.kind { + ExprKind::Call(func, [arg]) + if path_to_local_id(arg, binding) + && cx.typeck_results().expr_adjustments(arg).is_empty() + && !type_is_unsafe_function(cx, cx.typeck_results().expr_ty(func).peel_refs()) => + { + Some(func) + }, + _ => None, + } +} + +#[derive(Debug)] +pub(super) enum OptionPat<'a> { + Wild, + None, + Some { + // The pattern contained in the `Some` tuple. + pattern: &'a Pat<'a>, + // The number of references before the `Some` tuple. + // e.g. `&&Some(_)` has a ref count of 2. + ref_count: usize, + }, +} + +pub(super) struct SomeExpr<'tcx> { + pub expr: &'tcx Expr<'tcx>, + pub needs_unsafe_block: bool, + pub needs_negated: bool, // for `manual_filter` lint +} + +impl<'tcx> SomeExpr<'tcx> { + pub fn new_no_negated(expr: &'tcx Expr<'tcx>, needs_unsafe_block: bool) -> Self { + Self { + expr, + needs_unsafe_block, + needs_negated: false, + } + } + + pub fn to_snippet_with_context( + &self, + cx: &LateContext<'tcx>, + ctxt: SyntaxContext, + app: &mut Applicability, + ) -> Sugg<'tcx> { + let sugg = Sugg::hir_with_context(cx, self.expr, ctxt, "..", app); + if self.needs_negated { !sugg } else { sugg } + } +} + +// Try to parse into a recognized `Option` pattern. +// i.e. `_`, `None`, `Some(..)`, or a reference to any of those. +pub(super) fn try_parse_pattern<'tcx>( + cx: &LateContext<'tcx>, + pat: &'tcx Pat<'_>, + ctxt: SyntaxContext, +) -> Option<OptionPat<'tcx>> { + fn f<'tcx>( + cx: &LateContext<'tcx>, + pat: &'tcx Pat<'_>, + ref_count: usize, + ctxt: SyntaxContext, + ) -> Option<OptionPat<'tcx>> { + match pat.kind { + PatKind::Wild => Some(OptionPat::Wild), + PatKind::Ref(pat, _) => f(cx, pat, ref_count + 1, ctxt), + PatKind::Path(ref qpath) if is_res_lang_ctor(cx, cx.qpath_res(qpath, pat.hir_id), OptionNone) => { + Some(OptionPat::None) + }, + PatKind::TupleStruct(ref qpath, [pattern], _) + if is_res_lang_ctor(cx, cx.qpath_res(qpath, pat.hir_id), OptionSome) && pat.span.ctxt() == ctxt => + { + Some(OptionPat::Some { pattern, ref_count }) + }, + _ => None, + } + } + f(cx, pat, 0, ctxt) +} + +// Checks for the `None` value. +fn is_none_expr(cx: &LateContext<'_>, expr: &Expr<'_>) -> bool { + is_res_lang_ctor(cx, path_res(cx, peel_blocks(expr)), OptionNone) +} diff --git a/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs b/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs index 37049f83577..168c1e4d2e6 100644 --- a/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs +++ b/src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs @@ -221,7 +221,6 @@ fn iter_matching_struct_fields<'a>( #[expect(clippy::similar_names)] impl<'a> NormalizedPat<'a> { - #[expect(clippy::too_many_lines)] fn from_pat(cx: &LateContext<'_>, arena: &'a DroplessArena, pat: &'a Pat<'_>) -> Self { match pat.kind { PatKind::Wild | PatKind::Binding(.., None) => Self::Wild, @@ -235,9 +234,8 @@ impl<'a> NormalizedPat<'a> { Self::Struct(cx.qpath_res(path, pat.hir_id).opt_def_id(), fields) }, PatKind::TupleStruct(ref path, pats, wild_idx) => { - let adt = match cx.typeck_results().pat_ty(pat).ty_adt_def() { - Some(x) => x, - None => return Self::Wild, + let Some(adt) = cx.typeck_results().pat_ty(pat).ty_adt_def() else { + return Self::Wild }; let (var_id, variant) = if adt.is_enum() { match cx.qpath_res(path, pat.hir_id).opt_def_id() { diff --git a/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs b/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs index 68682cedf1d..1bf8d4e96ad 100644 --- a/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs +++ b/src/tools/clippy/clippy_lints/src/matches/match_single_binding.rs @@ -58,6 +58,7 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e &snippet_body, &mut applicability, Some(span), + true, ); span_lint_and_sugg( @@ -90,6 +91,7 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e &snippet_body, &mut applicability, None, + true, ); (expr.span, sugg) }, @@ -107,10 +109,14 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e }, PatKind::Wild => { if ex.can_have_side_effects() { - let indent = " ".repeat(indent_of(cx, expr.span).unwrap_or(0)); - let sugg = format!( - "{};\n{indent}{snippet_body}", - snippet_with_applicability(cx, ex.span, "..", &mut applicability) + let sugg = sugg_with_curlies( + cx, + (ex, expr), + (bind_names, matched_vars), + &snippet_body, + &mut applicability, + None, + false, ); span_lint_and_sugg( @@ -169,6 +175,7 @@ fn sugg_with_curlies<'a>( snippet_body: &str, applicability: &mut Applicability, assignment: Option<Span>, + needs_var_binding: bool, ) -> String { let mut indent = " ".repeat(indent_of(cx, ex.span).unwrap_or(0)); @@ -200,9 +207,15 @@ fn sugg_with_curlies<'a>( s }); - format!( - "{cbrace_start}let {} = {};\n{indent}{assignment_str}{snippet_body}{cbrace_end}", - snippet_with_applicability(cx, bind_names, "..", applicability), - snippet_with_applicability(cx, matched_vars, "..", applicability) - ) + let scrutinee = if needs_var_binding { + format!( + "let {} = {}", + snippet_with_applicability(cx, bind_names, "..", applicability), + snippet_with_applicability(cx, matched_vars, "..", applicability) + ) + } else { + snippet_with_applicability(cx, matched_vars, "..", applicability).to_string() + }; + + format!("{cbrace_start}{scrutinee};\n{indent}{assignment_str}{snippet_body}{cbrace_end}") } diff --git a/src/tools/clippy/clippy_lints/src/matches/mod.rs b/src/tools/clippy/clippy_lints/src/matches/mod.rs index e6b183fc05f..7d8171ead89 100644 --- a/src/tools/clippy/clippy_lints/src/matches/mod.rs +++ b/src/tools/clippy/clippy_lints/src/matches/mod.rs @@ -1,7 +1,9 @@ mod collapsible_match; mod infallible_destructuring_match; +mod manual_filter; mod manual_map; mod manual_unwrap_or; +mod manual_utils; mod match_as_ref; mod match_bool; mod match_like_matches; @@ -898,6 +900,34 @@ declare_clippy_lint! { "reimplementation of `map`" } +declare_clippy_lint! { + /// ### What it does + /// Checks for usages of `match` which could be implemented using `filter` + /// + /// ### Why is this bad? + /// Using the `filter` method is clearer and more concise. + /// + /// ### Example + /// ```rust + /// match Some(0) { + /// Some(x) => if x % 2 == 0 { + /// Some(x) + /// } else { + /// None + /// }, + /// None => None, + /// }; + /// ``` + /// Use instead: + /// ```rust + /// Some(0).filter(|&x| x % 2 == 0); + /// ``` + #[clippy::version = "1.66.0"] + pub MANUAL_FILTER, + complexity, + "reimplentation of `filter`" +} + #[derive(Default)] pub struct Matches { msrv: Option<RustcVersion>, @@ -939,6 +969,7 @@ impl_lint_pass!(Matches => [ SIGNIFICANT_DROP_IN_SCRUTINEE, TRY_ERR, MANUAL_MAP, + MANUAL_FILTER, ]); impl<'tcx> LateLintPass<'tcx> for Matches { @@ -988,6 +1019,7 @@ impl<'tcx> LateLintPass<'tcx> for Matches { if !in_constant(cx, expr.hir_id) { manual_unwrap_or::check(cx, expr, ex, arms); manual_map::check_match(cx, expr, ex, arms); + manual_filter::check_match(cx, ex, arms, expr); } if self.infallible_destructuring_match_linted { @@ -1014,6 +1046,14 @@ impl<'tcx> LateLintPass<'tcx> for Matches { } if !in_constant(cx, expr.hir_id) { manual_map::check_if_let(cx, expr, if_let.let_pat, if_let.let_expr, if_let.if_then, else_expr); + manual_filter::check_if_let( + cx, + expr, + if_let.let_pat, + if_let.let_expr, + if_let.if_then, + else_expr, + ); } } redundant_pattern_match::check_if_let( diff --git a/src/tools/clippy/clippy_lints/src/matches/single_match.rs b/src/tools/clippy/clippy_lints/src/matches/single_match.rs index d496107ffd6..e5a15b2e1a1 100644 --- a/src/tools/clippy/clippy_lints/src/matches/single_match.rs +++ b/src/tools/clippy/clippy_lints/src/matches/single_match.rs @@ -1,14 +1,13 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::{expr_block, snippet}; -use clippy_utils::ty::{implements_trait, match_type, peel_mid_ty_refs}; -use clippy_utils::{ - is_lint_allowed, is_unit_expr, is_wild, paths, peel_blocks, peel_hir_pat_refs, peel_n_hir_expr_refs, -}; +use clippy_utils::ty::{implements_trait, is_type_diagnostic_item, peel_mid_ty_refs}; +use clippy_utils::{is_lint_allowed, is_unit_expr, is_wild, peel_blocks, peel_hir_pat_refs, peel_n_hir_expr_refs}; use core::cmp::max; use rustc_errors::Applicability; use rustc_hir::{Arm, BindingAnnotation, Block, Expr, ExprKind, Pat, PatKind}; use rustc_lint::LateContext; use rustc_middle::ty::{self, Ty}; +use rustc_span::sym; use super::{MATCH_BOOL, SINGLE_MATCH, SINGLE_MATCH_ELSE}; @@ -156,10 +155,10 @@ fn pat_in_candidate_enum<'a>(cx: &LateContext<'a>, ty: Ty<'a>, pat: &Pat<'_>) -> /// Returns `true` if the given type is an enum we know won't be expanded in the future fn in_candidate_enum<'a>(cx: &LateContext<'a>, ty: Ty<'_>) -> bool { // list of candidate `Enum`s we know will never get any more members - let candidates = [&paths::COW, &paths::OPTION, &paths::RESULT]; + let candidates = [sym::Cow, sym::Option, sym::Result]; for candidate_ty in candidates { - if match_type(cx, ty, candidate_ty) { + if is_type_diagnostic_item(cx, ty, candidate_ty) { return true; } } diff --git a/src/tools/clippy/clippy_lints/src/methods/into_iter_on_ref.rs b/src/tools/clippy/clippy_lints/src/methods/into_iter_on_ref.rs index be56b63506a..8adf9e37059 100644 --- a/src/tools/clippy/clippy_lints/src/methods/into_iter_on_ref.rs +++ b/src/tools/clippy/clippy_lints/src/methods/into_iter_on_ref.rs @@ -42,9 +42,8 @@ pub(super) fn check( fn ty_has_iter_method(cx: &LateContext<'_>, self_ref_ty: Ty<'_>) -> Option<(Symbol, &'static str)> { has_iter_method(cx, self_ref_ty).map(|ty_name| { - let mutbl = match self_ref_ty.kind() { - ty::Ref(_, _, mutbl) => mutbl, - _ => unreachable!(), + let ty::Ref(_, _, mutbl) = self_ref_ty.kind() else { + unreachable!() }; let method_name = match mutbl { hir::Mutability::Not => "iter", diff --git a/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs b/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs index ec694cf6882..b80541b8647 100644 --- a/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs +++ b/src/tools/clippy/clippy_lints/src/methods/manual_saturating_arithmetic.rs @@ -21,11 +21,7 @@ pub fn check( return; } - let mm = if let Some(mm) = is_min_or_max(cx, unwrap_arg) { - mm - } else { - return; - }; + let Some(mm) = is_min_or_max(cx, unwrap_arg) else { return }; if ty.is_signed() { use self::{ @@ -33,9 +29,7 @@ pub fn check( Sign::{Neg, Pos}, }; - let sign = if let Some(sign) = lit_sign(arith_rhs) { - sign - } else { + let Some(sign) = lit_sign(arith_rhs) else { return; }; diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index cfcf9596c50..fb92779be2a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -102,9 +102,7 @@ use bind_instead_of_map::BindInsteadOfMap; use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; use clippy_utils::ty::{contains_adt_constructor, implements_trait, is_copy, is_type_diagnostic_item}; -use clippy_utils::{ - contains_return, get_trait_def_id, is_trait_method, iter_input_pats, meets_msrv, msrvs, paths, return_ty, -}; +use clippy_utils::{contains_return, is_trait_method, iter_input_pats, meets_msrv, msrvs, return_ty}; use if_chain::if_chain; use rustc_hir as hir; use rustc_hir::def::Res; @@ -3372,7 +3370,9 @@ impl<'tcx> LateLintPass<'tcx> for Methods { then { let first_arg_span = first_arg_ty.span; let first_arg_ty = hir_ty_to_ty(cx.tcx, first_arg_ty); - let self_ty = TraitRef::identity(cx.tcx, item.def_id.to_def_id()).self_ty().skip_binder(); + let self_ty = TraitRef::identity(cx.tcx, item.def_id.to_def_id()) + .self_ty() + .skip_binder(); wrong_self_convention::check( cx, item.ident.name.as_str(), @@ -3380,7 +3380,7 @@ impl<'tcx> LateLintPass<'tcx> for Methods { first_arg_ty, first_arg_span, false, - true + true, ); } } @@ -3389,7 +3389,9 @@ impl<'tcx> LateLintPass<'tcx> for Methods { if item.ident.name == sym::new; if let TraitItemKind::Fn(_, _) = item.kind; let ret_ty = return_ty(cx, item.hir_id()); - let self_ty = TraitRef::identity(cx.tcx, item.def_id.to_def_id()).self_ty().skip_binder(); + let self_ty = TraitRef::identity(cx.tcx, item.def_id.to_def_id()) + .self_ty() + .skip_binder(); if !ret_ty.contains(self_ty); then { @@ -3846,14 +3848,13 @@ impl SelfKind { return m == mutability && t == parent_ty; } - let trait_path = match mutability { - hir::Mutability::Not => &paths::ASREF_TRAIT, - hir::Mutability::Mut => &paths::ASMUT_TRAIT, + let trait_sym = match mutability { + hir::Mutability::Not => sym::AsRef, + hir::Mutability::Mut => sym::AsMut, }; - let trait_def_id = match get_trait_def_id(cx, trait_path) { - Some(did) => did, - None => return false, + let Some(trait_def_id) = cx.tcx.get_diagnostic_item(trait_sym) else { + return false }; implements_trait(cx, ty, trait_def_id, &[parent_ty.into()]) } diff --git a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs index 6fb92d1c663..742483e6b2e 100644 --- a/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs +++ b/src/tools/clippy/clippy_lints/src/methods/option_as_ref_deref.rs @@ -32,8 +32,7 @@ pub(super) fn check<'tcx>( return; } - let deref_aliases: [&[&str]; 9] = [ - &paths::DEREF_TRAIT_METHOD, + let deref_aliases: [&[&str]; 8] = [ &paths::DEREF_MUT_TRAIT_METHOD, &paths::CSTRING_AS_C_STR, &paths::OS_STRING_AS_OS_STR, @@ -45,12 +44,14 @@ pub(super) fn check<'tcx>( ]; let is_deref = match map_arg.kind { - hir::ExprKind::Path(ref expr_qpath) => cx - .qpath_res(expr_qpath, map_arg.hir_id) - .opt_def_id() - .map_or(false, |fun_def_id| { - deref_aliases.iter().any(|path| match_def_path(cx, fun_def_id, path)) - }), + hir::ExprKind::Path(ref expr_qpath) => { + cx.qpath_res(expr_qpath, map_arg.hir_id) + .opt_def_id() + .map_or(false, |fun_def_id| { + cx.tcx.is_diagnostic_item(sym::deref_method, fun_def_id) + || deref_aliases.iter().any(|path| match_def_path(cx, fun_def_id, path)) + }) + }, hir::ExprKind::Closure(&hir::Closure { body, .. }) => { let closure_body = cx.tcx.hir().body(body); let closure_expr = peel_blocks(closure_body.value); @@ -68,7 +69,8 @@ pub(super) fn check<'tcx>( if let [ty::adjustment::Adjust::Deref(None), ty::adjustment::Adjust::Borrow(_)] = *adj; then { let method_did = cx.typeck_results().type_dependent_def_id(closure_expr.hir_id).unwrap(); - deref_aliases.iter().any(|path| match_def_path(cx, method_did, path)) + cx.tcx.is_diagnostic_item(sym::deref_method, method_did) + || deref_aliases.iter().any(|path| match_def_path(cx, method_did, path)) } else { false } diff --git a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs index 6a35024d036..991d3dd538b 100644 --- a/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs +++ b/src/tools/clippy/clippy_lints/src/methods/or_fun_call.rs @@ -1,14 +1,14 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::eager_or_lazy::switch_to_lazy_eval; use clippy_utils::source::{snippet, snippet_with_macro_callsite}; -use clippy_utils::ty::{implements_trait, match_type}; -use clippy_utils::{contains_return, is_trait_item, last_path_segment, paths}; +use clippy_utils::ty::{implements_trait, is_type_diagnostic_item}; +use clippy_utils::{contains_return, is_trait_item, last_path_segment}; use if_chain::if_chain; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; use rustc_span::source_map::Span; -use rustc_span::symbol::{kw, sym}; +use rustc_span::symbol::{kw, sym, Symbol}; use std::borrow::Cow; use super::OR_FUN_CALL; @@ -88,11 +88,11 @@ pub(super) fn check<'tcx>( fun_span: Option<Span>, ) { // (path, fn_has_argument, methods, suffix) - const KNOW_TYPES: [(&[&str], bool, &[&str], &str); 4] = [ - (&paths::BTREEMAP_ENTRY, false, &["or_insert"], "with"), - (&paths::HASHMAP_ENTRY, false, &["or_insert"], "with"), - (&paths::OPTION, false, &["map_or", "ok_or", "or", "unwrap_or"], "else"), - (&paths::RESULT, true, &["or", "unwrap_or"], "else"), + const KNOW_TYPES: [(Symbol, bool, &[&str], &str); 4] = [ + (sym::BTreeEntry, false, &["or_insert"], "with"), + (sym::HashMapEntry, false, &["or_insert"], "with"), + (sym::Option, false, &["map_or", "ok_or", "or", "unwrap_or"], "else"), + (sym::Result, true, &["or", "unwrap_or"], "else"), ]; if_chain! { @@ -104,7 +104,7 @@ pub(super) fn check<'tcx>( let self_ty = cx.typeck_results().expr_ty(self_expr); if let Some(&(_, fn_has_arguments, poss, suffix)) = - KNOW_TYPES.iter().find(|&&i| match_type(cx, self_ty, i.0)); + KNOW_TYPES.iter().find(|&&i| is_type_diagnostic_item(cx, self_ty, i.0)); if poss.contains(&name); @@ -121,10 +121,9 @@ pub(super) fn check<'tcx>( macro_expanded_snipped = snippet(cx, snippet_span, ".."); match macro_expanded_snipped.strip_prefix("$crate::vec::") { Some(stripped) => Cow::from(stripped), - None => macro_expanded_snipped + None => macro_expanded_snipped, } - } - else { + } else { not_macro_argument_snippet } }; diff --git a/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs b/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs index ae3594bd36c..1acac59144c 100644 --- a/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs +++ b/src/tools/clippy/clippy_lints/src/methods/str_splitn.rs @@ -289,9 +289,7 @@ fn parse_iter_usage<'tcx>( ) -> Option<IterUsage> { let (kind, span) = match iter.next() { Some((_, Node::Expr(e))) if e.span.ctxt() == ctxt => { - let (name, args) = if let ExprKind::MethodCall(name, _, [args @ ..], _) = e.kind { - (name, args) - } else { + let ExprKind::MethodCall(name, _, [args @ ..], _) = e.kind else { return None; }; let did = cx.typeck_results().type_dependent_def_id(e.hir_id)?; diff --git a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs index 6017941452c..3566fe9a0bb 100644 --- a/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/unnecessary_to_owned.rs @@ -8,7 +8,7 @@ use clippy_utils::{fn_def_id, get_parent_expr, is_diag_item_method, is_diag_trai use clippy_utils::{meets_msrv, msrvs}; use rustc_errors::Applicability; use rustc_hir::{def_id::DefId, BorrowKind, Expr, ExprKind, ItemKind, LangItem, Node}; -use rustc_hir_analysis::check::{FnCtxt, Inherited}; +use rustc_hir_typeck::{FnCtxt, Inherited}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::mir::Mutability; @@ -363,7 +363,7 @@ fn can_change_type<'a>(cx: &LateContext<'a>, mut expr: &'a Expr<'a>, mut ty: Ty< && let output_ty = return_ty(cx, item.hir_id()) && let local_def_id = cx.tcx.hir().local_def_id(item.hir_id()) && Inherited::build(cx.tcx, local_def_id).enter(|inherited| { - let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, item.hir_id()); + let fn_ctxt = FnCtxt::new(inherited, cx.param_env, item.hir_id()); fn_ctxt.can_coerce(ty, output_ty) }) { if has_lifetime(output_ty) && has_lifetime(ty) { diff --git a/src/tools/clippy/clippy_lints/src/misc_early/literal_suffix.rs b/src/tools/clippy/clippy_lints/src/misc_early/literal_suffix.rs index 62c6ca32d31..27e7f8505eb 100644 --- a/src/tools/clippy/clippy_lints/src/misc_early/literal_suffix.rs +++ b/src/tools/clippy/clippy_lints/src/misc_early/literal_suffix.rs @@ -6,9 +6,7 @@ use rustc_lint::EarlyContext; use super::{SEPARATED_LITERAL_SUFFIX, UNSEPARATED_LITERAL_SUFFIX}; pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: &str, suffix: &str, sugg_type: &str) { - let maybe_last_sep_idx = if let Some(val) = lit_snip.len().checked_sub(suffix.len() + 1) { - val - } else { + let Some(maybe_last_sep_idx) = lit_snip.len().checked_sub(suffix.len() + 1) else { return; // It's useless so shouldn't lint. }; // Do not lint when literal is unsuffixed. diff --git a/src/tools/clippy/clippy_lints/src/misc_early/mixed_case_hex_literals.rs b/src/tools/clippy/clippy_lints/src/misc_early/mixed_case_hex_literals.rs index 80e24213100..263ee1e945a 100644 --- a/src/tools/clippy/clippy_lints/src/misc_early/mixed_case_hex_literals.rs +++ b/src/tools/clippy/clippy_lints/src/misc_early/mixed_case_hex_literals.rs @@ -5,9 +5,7 @@ use rustc_lint::EarlyContext; use super::MIXED_CASE_HEX_LITERALS; pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, suffix: &str, lit_snip: &str) { - let maybe_last_sep_idx = if let Some(val) = lit_snip.len().checked_sub(suffix.len() + 1) { - val - } else { + let Some(maybe_last_sep_idx) = lit_snip.len().checked_sub(suffix.len() + 1) else { return; // It's useless so shouldn't lint. }; if maybe_last_sep_idx <= 2 { diff --git a/src/tools/clippy/clippy_lints/src/misc_early/zero_prefixed_literal.rs b/src/tools/clippy/clippy_lints/src/misc_early/zero_prefixed_literal.rs index 4963bba82f2..9ead43ea4a4 100644 --- a/src/tools/clippy/clippy_lints/src/misc_early/zero_prefixed_literal.rs +++ b/src/tools/clippy/clippy_lints/src/misc_early/zero_prefixed_literal.rs @@ -6,6 +6,7 @@ use rustc_lint::EarlyContext; use super::ZERO_PREFIXED_LITERAL; pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: &str) { + let trimmed_lit_snip = lit_snip.trim_start_matches(|c| c == '_' || c == '0'); span_lint_and_then( cx, ZERO_PREFIXED_LITERAL, @@ -15,15 +16,18 @@ pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: &str) { diag.span_suggestion( lit.span, "if you mean to use a decimal constant, remove the `0` to avoid confusion", - lit_snip.trim_start_matches(|c| c == '_' || c == '0').to_string(), - Applicability::MaybeIncorrect, - ); - diag.span_suggestion( - lit.span, - "if you mean to use an octal constant, use `0o`", - format!("0o{}", lit_snip.trim_start_matches(|c| c == '_' || c == '0')), + trimmed_lit_snip.to_string(), Applicability::MaybeIncorrect, ); + // do not advise to use octal form if the literal cannot be expressed in base 8. + if !lit_snip.contains(|c| c == '8' || c == '9') { + diag.span_suggestion( + lit.span, + "if you mean to use an octal constant, use `0o`", + format!("0o{trimmed_lit_snip}"), + Applicability::MaybeIncorrect, + ); + } }, ); } diff --git a/src/tools/clippy/clippy_lints/src/mismatching_type_param_order.rs b/src/tools/clippy/clippy_lints/src/mismatching_type_param_order.rs index 6dd76a6531e..9de4b56b77b 100644 --- a/src/tools/clippy/clippy_lints/src/mismatching_type_param_order.rs +++ b/src/tools/clippy/clippy_lints/src/mismatching_type_param_order.rs @@ -70,9 +70,8 @@ impl<'tcx> LateLintPass<'tcx> for TypeParamMismatch { // find the type that the Impl is for // only lint on struct/enum/union for now - let defid = match path.res { - Res::Def(DefKind::Struct | DefKind::Enum | DefKind::Union, defid) => defid, - _ => return, + let Res::Def(DefKind::Struct | DefKind::Enum | DefKind::Union, defid) = path.res else { + return }; // get the names of the generic parameters in the type diff --git a/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs b/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs new file mode 100644 index 00000000000..68af8a672f6 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/missing_trait_methods.rs @@ -0,0 +1,98 @@ +use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::is_lint_allowed; +use clippy_utils::macros::span_is_local; +use rustc_hir::def_id::DefIdMap; +use rustc_hir::{Impl, Item, ItemKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::ty::AssocItem; +use rustc_session::{declare_lint_pass, declare_tool_lint}; + +declare_clippy_lint! { + /// ### What it does + /// Checks if a provided method is used implicitly by a trait + /// implementation. A usage example would be a wrapper where every method + /// should perform some operation before delegating to the inner type's + /// implemenation. + /// + /// This lint should typically be enabled on a specific trait `impl` item + /// rather than globally. + /// + /// ### Why is this bad? + /// Indicates that a method is missing. + /// + /// ### Example + /// ```rust + /// trait Trait { + /// fn required(); + /// + /// fn provided() {} + /// } + /// + /// # struct Type; + /// #[warn(clippy::missing_trait_methods)] + /// impl Trait for Type { + /// fn required() { /* ... */ } + /// } + /// ``` + /// Use instead: + /// ```rust + /// trait Trait { + /// fn required(); + /// + /// fn provided() {} + /// } + /// + /// # struct Type; + /// #[warn(clippy::missing_trait_methods)] + /// impl Trait for Type { + /// fn required() { /* ... */ } + /// + /// fn provided() { /* ... */ } + /// } + /// ``` + #[clippy::version = "1.66.0"] + pub MISSING_TRAIT_METHODS, + restriction, + "trait implementation uses default provided method" +} +declare_lint_pass!(MissingTraitMethods => [MISSING_TRAIT_METHODS]); + +impl<'tcx> LateLintPass<'tcx> for MissingTraitMethods { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { + if !is_lint_allowed(cx, MISSING_TRAIT_METHODS, item.hir_id()) + && span_is_local(item.span) + && let ItemKind::Impl(Impl { + items, + of_trait: Some(trait_ref), + .. + }) = item.kind + && let Some(trait_id) = trait_ref.trait_def_id() + { + let mut provided: DefIdMap<&AssocItem> = cx + .tcx + .provided_trait_methods(trait_id) + .map(|assoc| (assoc.def_id, assoc)) + .collect(); + + for impl_item in *items { + if let Some(def_id) = impl_item.trait_item_def_id { + provided.remove(&def_id); + } + } + + for assoc in provided.values() { + let source_map = cx.tcx.sess.source_map(); + let definition_span = source_map.guess_head_span(cx.tcx.def_span(assoc.def_id)); + + span_lint_and_help( + cx, + MISSING_TRAIT_METHODS, + source_map.guess_head_span(item.span), + &format!("missing trait method provided by default: `{}`", assoc.name), + Some(definition_span), + "implement the method", + ); + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/mixed_read_write_in_expression.rs b/src/tools/clippy/clippy_lints/src/mixed_read_write_in_expression.rs index a2419c277e9..6752976348f 100644 --- a/src/tools/clippy/clippy_lints/src/mixed_read_write_in_expression.rs +++ b/src/tools/clippy/clippy_lints/src/mixed_read_write_in_expression.rs @@ -190,10 +190,7 @@ fn check_for_unsequenced_reads(vis: &mut ReadVisitor<'_, '_>) { if parent_id == cur_id { break; } - let parent_node = match map.find(parent_id) { - Some(parent) => parent, - None => break, - }; + let Some(parent_node) = map.find(parent_id) else { break }; let stop_early = match parent_node { Node::Expr(expr) => check_expr(vis, expr), diff --git a/src/tools/clippy/clippy_lints/src/needless_for_each.rs b/src/tools/clippy/clippy_lints/src/needless_for_each.rs index 3233d87c073..c3b633fd6a0 100644 --- a/src/tools/clippy/clippy_lints/src/needless_for_each.rs +++ b/src/tools/clippy/clippy_lints/src/needless_for_each.rs @@ -49,9 +49,8 @@ declare_lint_pass!(NeedlessForEach => [NEEDLESS_FOR_EACH]); impl<'tcx> LateLintPass<'tcx> for NeedlessForEach { fn check_stmt(&mut self, cx: &LateContext<'tcx>, stmt: &'tcx Stmt<'_>) { - let expr = match stmt.kind { - StmtKind::Expr(expr) | StmtKind::Semi(expr) => expr, - _ => return, + let (StmtKind::Expr(expr) | StmtKind::Semi(expr)) = stmt.kind else { + return }; if_chain! { diff --git a/src/tools/clippy/clippy_lints/src/needless_late_init.rs b/src/tools/clippy/clippy_lints/src/needless_late_init.rs index 9d26e590086..67debe7e08a 100644 --- a/src/tools/clippy/clippy_lints/src/needless_late_init.rs +++ b/src/tools/clippy/clippy_lints/src/needless_late_init.rs @@ -180,10 +180,13 @@ fn assignment_suggestions<'tcx>( let suggestions = assignments .iter() .flat_map(|assignment| { - [ - assignment.span.until(assignment.rhs_span), - assignment.rhs_span.shrink_to_hi().with_hi(assignment.span.hi()), - ] + let mut spans = vec![assignment.span.until(assignment.rhs_span)]; + + if assignment.rhs_span.hi() != assignment.span.hi() { + spans.push(assignment.rhs_span.shrink_to_hi().with_hi(assignment.span.hi())); + } + + spans }) .map(|span| (span, String::new())) .collect::<Vec<(Span, String)>>(); diff --git a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs index 7f881e27dd2..9c949a28f44 100644 --- a/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs +++ b/src/tools/clippy/clippy_lints/src/needless_pass_by_value.rs @@ -12,7 +12,7 @@ use rustc_hir::{ BindingAnnotation, Body, FnDecl, GenericArg, HirId, Impl, ItemKind, Mutability, Node, PatKind, QPath, TyKind, }; use rustc_hir::{HirIdMap, HirIdSet}; -use rustc_hir_analysis::expr_use_visitor as euv; +use rustc_hir_typeck::expr_use_visitor as euv; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::mir::FakeReadCause; @@ -342,7 +342,7 @@ impl<'tcx> euv::Delegate<'tcx> for MovedVariablesCtxt { fn fake_read( &mut self, - _: &rustc_hir_analysis::expr_use_visitor::PlaceWithHirId<'tcx>, + _: &rustc_hir_typeck::expr_use_visitor::PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId, ) { diff --git a/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs b/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs index a7e0e35787c..5c2b96f5b2c 100644 --- a/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs +++ b/src/tools/clippy/clippy_lints/src/neg_cmp_op_on_partial_ord.rs @@ -1,11 +1,11 @@ use clippy_utils::diagnostics::span_lint; use clippy_utils::ty::implements_trait; -use clippy_utils::{self, get_trait_def_id, paths}; use if_chain::if_chain; use rustc_hir::{BinOpKind, Expr, ExprKind, UnOp}; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::lint::in_external_macro; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -47,18 +47,16 @@ declare_lint_pass!(NoNegCompOpForPartialOrd => [NEG_CMP_OP_ON_PARTIAL_ORD]); impl<'tcx> LateLintPass<'tcx> for NoNegCompOpForPartialOrd { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { if_chain! { - if !in_external_macro(cx.sess(), expr.span); if let ExprKind::Unary(UnOp::Not, inner) = expr.kind; if let ExprKind::Binary(ref op, left, _) = inner.kind; if let BinOpKind::Le | BinOpKind::Ge | BinOpKind::Lt | BinOpKind::Gt = op.node; then { - let ty = cx.typeck_results().expr_ty(left); let implements_ord = { - if let Some(id) = get_trait_def_id(cx, &paths::ORD) { + if let Some(id) = cx.tcx.get_diagnostic_item(sym::Ord) { implements_trait(cx, ty, id, &[]) } else { return; @@ -81,7 +79,7 @@ impl<'tcx> LateLintPass<'tcx> for NoNegCompOpForPartialOrd { "the use of negated comparison operators on partially ordered \ types produces code that is hard to read and refactor, please \ consider using the `partial_cmp` method instead, to make it \ - clear that the two values could be incomparable" + clear that the two values could be incomparable", ); } } 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 2c839d029c6..a6742824bc5 100644 --- a/src/tools/clippy/clippy_lints/src/non_copy_const.rs +++ b/src/tools/clippy/clippy_lints/src/non_copy_const.rs @@ -357,9 +357,8 @@ impl<'tcx> LateLintPass<'tcx> for NonCopyConst { } // Make sure it is a const item. - let item_def_id = match cx.qpath_res(qpath, expr.hir_id) { - Res::Def(DefKind::Const | DefKind::AssocConst, did) => did, - _ => return, + let Res::Def(DefKind::Const | DefKind::AssocConst, item_def_id) = cx.qpath_res(qpath, expr.hir_id) else { + return }; // Climb up to resolve any field access and explicit referencing. diff --git a/src/tools/clippy/clippy_lints/src/non_octal_unix_permissions.rs b/src/tools/clippy/clippy_lints/src/non_octal_unix_permissions.rs index 1a765b14892..2ecb0487484 100644 --- a/src/tools/clippy/clippy_lints/src/non_octal_unix_permissions.rs +++ b/src/tools/clippy/clippy_lints/src/non_octal_unix_permissions.rs @@ -55,9 +55,8 @@ impl<'tcx> LateLintPass<'tcx> for NonOctalUnixPermissions { if let ExprKind::Lit(_) = param.kind; then { - let snip = match snippet_opt(cx, param.span) { - Some(s) => s, - _ => return, + let Some(snip) = snippet_opt(cx, param.span) else { + return }; if !snip.starts_with("0o") { @@ -72,16 +71,10 @@ impl<'tcx> LateLintPass<'tcx> for NonOctalUnixPermissions { if let Some(def_id) = cx.qpath_res(path, func.hir_id).opt_def_id(); if match_def_path(cx, def_id, &paths::PERMISSIONS_FROM_MODE); if let ExprKind::Lit(_) = param.kind; - + if let Some(snip) = snippet_opt(cx, param.span); + if !snip.starts_with("0o"); then { - let snip = match snippet_opt(cx, param.span) { - Some(s) => s, - _ => return, - }; - - if !snip.starts_with("0o") { - show_error(cx, param); - } + show_error(cx, param); } } }, diff --git a/src/tools/clippy/clippy_lints/src/nonstandard_macro_braces.rs b/src/tools/clippy/clippy_lints/src/nonstandard_macro_braces.rs index 0ca0befc135..6c909e5ed73 100644 --- a/src/tools/clippy/clippy_lints/src/nonstandard_macro_braces.rs +++ b/src/tools/clippy/clippy_lints/src/nonstandard_macro_braces.rs @@ -266,7 +266,7 @@ impl<'de> Deserialize<'de> for MacroMatcher { .iter() .find(|b| b.0 == brace) .map(|(o, c)| ((*o).to_owned(), (*c).to_owned())) - .ok_or_else(|| de::Error::custom(&format!("expected one of `(`, `{{`, `[` found `{brace}`")))?, + .ok_or_else(|| de::Error::custom(format!("expected one of `(`, `{{`, `[` found `{brace}`")))?, }) } } diff --git a/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs b/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs index c7e964cf23e..ee9fd94064c 100644 --- a/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs +++ b/src/tools/clippy/clippy_lints/src/operators/assign_op_pattern.rs @@ -8,7 +8,7 @@ use core::ops::ControlFlow; use if_chain::if_chain; use rustc_errors::Applicability; use rustc_hir as hir; -use rustc_hir_analysis::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; +use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; use rustc_lint::LateContext; use rustc_middle::mir::FakeReadCause; use rustc_middle::ty::BorrowKind; diff --git a/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs b/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs index c9c777f1bd8..24aeb82a37f 100644 --- a/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs +++ b/src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::source::snippet; use clippy_utils::ty::{implements_trait, is_copy}; -use clippy_utils::{match_any_def_paths, path_def_id, paths}; +use clippy_utils::{match_def_path, path_def_id, paths}; use rustc_errors::Applicability; use rustc_hir::{BinOpKind, Expr, ExprKind, UnOp}; use rustc_lint::LateContext; @@ -49,13 +49,15 @@ fn check_op(cx: &LateContext<'_>, expr: &Expr<'_>, other: &Expr<'_>, left: bool) (arg, arg.span) }, ExprKind::Call(path, [arg]) - if path_def_id(cx, path) - .and_then(|id| match_any_def_paths(cx, id, &[&paths::FROM_STR_METHOD, &paths::FROM_FROM])) - .map_or(false, |idx| match idx { - 0 => true, - 1 => !is_copy(cx, typeck.expr_ty(expr)), - _ => false, - }) => + if path_def_id(cx, path).map_or(false, |id| { + if match_def_path(cx, id, &paths::FROM_STR_METHOD) { + true + } else if cx.tcx.lang_items().from_fn() == Some(id) { + !is_copy(cx, typeck.expr_ty(expr)) + } else { + false + } + }) => { (arg, arg.span) }, diff --git a/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs b/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs new file mode 100644 index 00000000000..f60d9d65b12 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/partial_pub_fields.rs @@ -0,0 +1,81 @@ +use clippy_utils::diagnostics::span_lint_and_help; +use rustc_ast::ast::{Item, ItemKind}; +use rustc_lint::{EarlyContext, EarlyLintPass}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; + +declare_clippy_lint! { + /// ### What it does + /// Checks whether partial fields of a struct are public. + /// + /// Either make all fields of a type public, or make none of them public + /// + /// ### Why is this bad? + /// Most types should either be: + /// * Abstract data types: complex objects with opaque implementation which guard + /// interior invariants and expose intentionally limited API to the outside world. + /// * Data: relatively simple objects which group a bunch of related attributes together. + /// + /// ### Example + /// ```rust + /// pub struct Color { + /// pub r: u8, + /// pub g: u8, + /// b: u8, + /// } + /// ``` + /// Use instead: + /// ```rust + /// pub struct Color { + /// pub r: u8, + /// pub g: u8, + /// pub b: u8, + /// } + /// ``` + #[clippy::version = "1.66.0"] + pub PARTIAL_PUB_FIELDS, + restriction, + "partial fields of a struct are public" +} +declare_lint_pass!(PartialPubFields => [PARTIAL_PUB_FIELDS]); + +impl EarlyLintPass for PartialPubFields { + fn check_item(&mut self, cx: &EarlyContext<'_>, item: &Item) { + let ItemKind::Struct(ref st, _) = item.kind else { + return; + }; + + let mut fields = st.fields().iter(); + let Some(first_field) = fields.next() else { + // Empty struct. + return; + }; + let all_pub = first_field.vis.kind.is_pub(); + let all_priv = !all_pub; + + let msg = "mixed usage of pub and non-pub fields"; + + for field in fields { + if all_priv && field.vis.kind.is_pub() { + span_lint_and_help( + cx, + PARTIAL_PUB_FIELDS, + field.vis.span, + msg, + None, + "consider using private field here", + ); + return; + } else if all_pub && !field.vis.kind.is_pub() { + span_lint_and_help( + cx, + PARTIAL_PUB_FIELDS, + field.vis.span, + msg, + None, + "consider using public field here", + ); + return; + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index d296a150b46..40db315bf27 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -15,13 +15,17 @@ use rustc_hir::{ ImplItemKind, ItemKind, Lifetime, LifetimeName, Mutability, Node, Param, ParamName, PatKind, QPath, TraitFn, TraitItem, TraitItemKind, TyKind, Unsafety, }; +use rustc_infer::infer::TyCtxtInferExt; +use rustc_infer::traits::{Obligation, ObligationCause}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::hir::nested_filter; -use rustc_middle::ty::{self, Ty}; +use rustc_middle::ty::{self, Binder, ExistentialPredicate, List, PredicateKind, Ty}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::Span; use rustc_span::sym; use rustc_span::symbol::Symbol; +use rustc_trait_selection::infer::InferCtxtExt as _; +use rustc_trait_selection::traits::query::evaluate_obligation::InferCtxtExt as _; use std::fmt; use std::iter; @@ -384,6 +388,17 @@ enum DerefTy<'tcx> { Slice(Option<Span>, Ty<'tcx>), } impl<'tcx> DerefTy<'tcx> { + fn ty(&self, cx: &LateContext<'tcx>) -> Ty<'tcx> { + match *self { + Self::Str => cx.tcx.types.str_, + Self::Path => cx.tcx.mk_adt( + cx.tcx.adt_def(cx.tcx.get_diagnostic_item(sym::Path).unwrap()), + List::empty(), + ), + Self::Slice(_, ty) => cx.tcx.mk_slice(ty), + } + } + fn argless_str(&self) -> &'static str { match *self { Self::Str => "str", @@ -552,9 +567,8 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: } // Check if this is local we care about - let args_idx = match path_to_local(e).and_then(|id| self.bindings.get(&id)) { - Some(&i) => i, - None => return walk_expr(self, e), + let Some(&args_idx) = path_to_local(e).and_then(|id| self.bindings.get(&id)) else { + return walk_expr(self, e); }; let args = &self.args[args_idx]; let result = &mut self.results[args_idx]; @@ -582,6 +596,7 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: let i = expr_args.iter().position(|arg| arg.hir_id == child_id).unwrap_or(0); if expr_sig(self.cx, f).and_then(|sig| sig.input(i)).map_or(true, |ty| { match *ty.skip_binder().peel_refs().kind() { + ty::Dynamic(preds, _, _) => !matches_preds(self.cx, args.deref_ty.ty(self.cx), preds), ty::Param(_) => true, ty::Adt(def, _) => def.did() == args.ty_did, _ => false, @@ -609,14 +624,15 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: } } - let id = if let Some(x) = self.cx.typeck_results().type_dependent_def_id(e.hir_id) { - x - } else { + let Some(id) = self.cx.typeck_results().type_dependent_def_id(e.hir_id) else { set_skip_flag(); return; }; match *self.cx.tcx.fn_sig(id).skip_binder().inputs()[i].peel_refs().kind() { + ty::Dynamic(preds, _, _) if !matches_preds(self.cx, args.deref_ty.ty(self.cx), preds) => { + set_skip_flag(); + }, ty::Param(_) => { set_skip_flag(); }, @@ -668,6 +684,30 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: v.results } +fn matches_preds<'tcx>( + cx: &LateContext<'tcx>, + ty: Ty<'tcx>, + preds: &'tcx [Binder<'tcx, ExistentialPredicate<'tcx>>], +) -> bool { + let infcx = cx.tcx.infer_ctxt().build(); + preds.iter().all(|&p| match cx.tcx.erase_late_bound_regions(p) { + ExistentialPredicate::Trait(p) => infcx + .type_implements_trait(p.def_id, ty, p.substs, cx.param_env) + .must_apply_modulo_regions(), + ExistentialPredicate::Projection(p) => infcx.predicate_must_hold_modulo_regions(&Obligation::new( + ObligationCause::dummy(), + cx.param_env, + cx.tcx.mk_predicate(Binder::bind_with_vars( + PredicateKind::Projection(p.with_self_ty(cx.tcx, ty)), + List::empty(), + )), + )), + ExistentialPredicate::AutoTrait(p) => infcx + .type_implements_trait(p, ty, List::empty(), cx.param_env) + .must_apply_modulo_regions(), + }) +} + fn get_rptr_lm<'tcx>(ty: &'tcx hir::Ty<'tcx>) -> Option<(&'tcx Lifetime, Mutability, Span)> { if let TyKind::Rptr(lt, ref m) = ty.kind { Some((lt, m.mutbl, ty.span)) diff --git a/src/tools/clippy/clippy_lints/src/ptr_offset_with_cast.rs b/src/tools/clippy/clippy_lints/src/ptr_offset_with_cast.rs index b0a5d1a6758..72dda67c72b 100644 --- a/src/tools/clippy/clippy_lints/src/ptr_offset_with_cast.rs +++ b/src/tools/clippy/clippy_lints/src/ptr_offset_with_cast.rs @@ -49,15 +49,13 @@ declare_lint_pass!(PtrOffsetWithCast => [PTR_OFFSET_WITH_CAST]); impl<'tcx> LateLintPass<'tcx> for PtrOffsetWithCast { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { // Check if the expressions is a ptr.offset or ptr.wrapping_offset method call - let (receiver_expr, arg_expr, method) = match expr_as_ptr_offset_call(cx, expr) { - Some(call_arg) => call_arg, - None => return, + let Some((receiver_expr, arg_expr, method)) = expr_as_ptr_offset_call(cx, expr) else { + return }; // Check if the argument to the method call is a cast from usize - let cast_lhs_expr = match expr_as_cast_from_usize(cx, arg_expr) { - Some(cast_lhs_expr) => cast_lhs_expr, - None => return, + let Some(cast_lhs_expr) = expr_as_cast_from_usize(cx, arg_expr) else { + return }; let msg = format!("use of `{method}` with a `usize` casted to an `isize`"); diff --git a/src/tools/clippy/clippy_lints/src/redundant_clone.rs b/src/tools/clippy/clippy_lints/src/redundant_clone.rs index 9fd86331ec7..aedbe08e3e4 100644 --- a/src/tools/clippy/clippy_lints/src/redundant_clone.rs +++ b/src/tools/clippy/clippy_lints/src/redundant_clone.rs @@ -1,25 +1,18 @@ use clippy_utils::diagnostics::{span_lint_hir, span_lint_hir_and_then}; +use clippy_utils::mir::{visit_local_usage, LocalUsage, PossibleBorrowerMap}; use clippy_utils::source::snippet_opt; use clippy_utils::ty::{has_drop, is_copy, is_type_diagnostic_item, walk_ptrs_ty_depth}; use clippy_utils::{fn_has_unsatisfiable_preds, match_def_path, paths}; use if_chain::if_chain; -use rustc_data_structures::fx::FxHashMap; use rustc_errors::Applicability; use rustc_hir::intravisit::FnKind; use rustc_hir::{def_id, Body, FnDecl, HirId}; -use rustc_index::bit_set::{BitSet, HybridBitSet}; use rustc_lint::{LateContext, LateLintPass}; -use rustc_middle::mir::{ - self, traversal, - visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor as _}, - Mutability, -}; -use rustc_middle::ty::{self, visit::TypeVisitor, Ty}; -use rustc_mir_dataflow::{Analysis, AnalysisDomain, CallReturnPlaces, GenKill, GenKillAnalysis, ResultsCursor}; +use rustc_middle::mir; +use rustc_middle::ty::{self, Ty}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::source_map::{BytePos, Span}; use rustc_span::sym; -use std::ops::ControlFlow; macro_rules! unwrap_or_continue { ($x:expr) => { @@ -89,21 +82,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClone { let mir = cx.tcx.optimized_mir(def_id.to_def_id()); - let possible_origin = { - let mut vis = PossibleOriginVisitor::new(mir); - vis.visit_body(mir); - vis.into_map(cx) - }; - let maybe_storage_live_result = MaybeStorageLive - .into_engine(cx.tcx, mir) - .pass_name("redundant_clone") - .iterate_to_fixpoint() - .into_results_cursor(mir); - let mut possible_borrower = { - let mut vis = PossibleBorrowerVisitor::new(cx, mir, possible_origin); - vis.visit_body(mir); - vis.into_map(cx, maybe_storage_live_result) - }; + let mut possible_borrower = PossibleBorrowerMap::new(cx, mir); for (bb, bbdata) in mir.basic_blocks.iter_enumerated() { let terminator = bbdata.terminator(); @@ -374,403 +353,40 @@ struct CloneUsage { /// Whether the clone value is mutated. clone_consumed_or_mutated: bool, } -fn visit_clone_usage(cloned: mir::Local, clone: mir::Local, mir: &mir::Body<'_>, bb: mir::BasicBlock) -> CloneUsage { - struct V { - cloned: mir::Local, - clone: mir::Local, - result: CloneUsage, - } - impl<'tcx> mir::visit::Visitor<'tcx> for V { - fn visit_basic_block_data(&mut self, block: mir::BasicBlock, data: &mir::BasicBlockData<'tcx>) { - let statements = &data.statements; - for (statement_index, statement) in statements.iter().enumerate() { - self.visit_statement(statement, mir::Location { block, statement_index }); - } - - self.visit_terminator( - data.terminator(), - mir::Location { - block, - statement_index: statements.len(), - }, - ); - } - - fn visit_place(&mut self, place: &mir::Place<'tcx>, ctx: PlaceContext, loc: mir::Location) { - let local = place.local; - - if local == self.cloned - && !matches!( - ctx, - PlaceContext::MutatingUse(MutatingUseContext::Drop) | PlaceContext::NonUse(_) - ) - { - self.result.cloned_used = true; - self.result.cloned_consume_or_mutate_loc = self.result.cloned_consume_or_mutate_loc.or_else(|| { - matches!( - ctx, - PlaceContext::NonMutatingUse(NonMutatingUseContext::Move) - | PlaceContext::MutatingUse(MutatingUseContext::Borrow) - ) - .then(|| loc) - }); - } else if local == self.clone { - match ctx { - PlaceContext::NonMutatingUse(NonMutatingUseContext::Move) - | PlaceContext::MutatingUse(MutatingUseContext::Borrow) => { - self.result.clone_consumed_or_mutated = true; - }, - _ => {}, - } - } - } - } - - let init = CloneUsage { - cloned_used: false, - cloned_consume_or_mutate_loc: None, - // Consider non-temporary clones consumed. - // TODO: Actually check for mutation of non-temporaries. - clone_consumed_or_mutated: mir.local_kind(clone) != mir::LocalKind::Temp, - }; - traversal::ReversePostorder::new(mir, bb) - .skip(1) - .fold(init, |usage, (tbb, tdata)| { - // Short-circuit - if (usage.cloned_used && usage.clone_consumed_or_mutated) || - // Give up on loops - tdata.terminator().successors().any(|s| s == bb) - { - return CloneUsage { - cloned_used: true, - clone_consumed_or_mutated: true, - ..usage - }; - } - - let mut v = V { - cloned, - clone, - result: usage, - }; - v.visit_basic_block_data(tbb, tdata); - v.result - }) -} - -/// Determines liveness of each local purely based on `StorageLive`/`Dead`. -#[derive(Copy, Clone)] -struct MaybeStorageLive; - -impl<'tcx> AnalysisDomain<'tcx> for MaybeStorageLive { - type Domain = BitSet<mir::Local>; - const NAME: &'static str = "maybe_storage_live"; - - fn bottom_value(&self, body: &mir::Body<'tcx>) -> Self::Domain { - // bottom = dead - BitSet::new_empty(body.local_decls.len()) - } - - fn initialize_start_block(&self, body: &mir::Body<'tcx>, state: &mut Self::Domain) { - for arg in body.args_iter() { - state.insert(arg); - } - } -} - -impl<'tcx> GenKillAnalysis<'tcx> for MaybeStorageLive { - type Idx = mir::Local; - - fn statement_effect(&self, trans: &mut impl GenKill<Self::Idx>, stmt: &mir::Statement<'tcx>, _: mir::Location) { - match stmt.kind { - mir::StatementKind::StorageLive(l) => trans.gen(l), - mir::StatementKind::StorageDead(l) => trans.kill(l), - _ => (), - } - } - - fn terminator_effect( - &self, - _trans: &mut impl GenKill<Self::Idx>, - _terminator: &mir::Terminator<'tcx>, - _loc: mir::Location, - ) { - } - - fn call_return_effect( - &self, - _trans: &mut impl GenKill<Self::Idx>, - _block: mir::BasicBlock, - _return_places: CallReturnPlaces<'_, 'tcx>, - ) { - // Nothing to do when a call returns successfully - } -} - -/// Collects the possible borrowers of each local. -/// For example, `b = &a; c = &a;` will make `b` and (transitively) `c` -/// possible borrowers of `a`. -struct PossibleBorrowerVisitor<'a, 'tcx> { - possible_borrower: TransitiveRelation, - body: &'a mir::Body<'tcx>, - cx: &'a LateContext<'tcx>, - possible_origin: FxHashMap<mir::Local, HybridBitSet<mir::Local>>, -} - -impl<'a, 'tcx> PossibleBorrowerVisitor<'a, 'tcx> { - fn new( - cx: &'a LateContext<'tcx>, - body: &'a mir::Body<'tcx>, - possible_origin: FxHashMap<mir::Local, HybridBitSet<mir::Local>>, - ) -> Self { - Self { - possible_borrower: TransitiveRelation::default(), - cx, - body, - possible_origin, - } - } - - fn into_map( - self, - cx: &LateContext<'tcx>, - maybe_live: ResultsCursor<'tcx, 'tcx, MaybeStorageLive>, - ) -> PossibleBorrowerMap<'a, 'tcx> { - let mut map = FxHashMap::default(); - for row in (1..self.body.local_decls.len()).map(mir::Local::from_usize) { - if is_copy(cx, self.body.local_decls[row].ty) { - continue; - } - - let mut borrowers = self.possible_borrower.reachable_from(row, self.body.local_decls.len()); - borrowers.remove(mir::Local::from_usize(0)); - if !borrowers.is_empty() { - map.insert(row, borrowers); - } - } - - let bs = BitSet::new_empty(self.body.local_decls.len()); - PossibleBorrowerMap { - map, - maybe_live, - bitset: (bs.clone(), bs), - } - } -} - -impl<'a, 'tcx> mir::visit::Visitor<'tcx> for PossibleBorrowerVisitor<'a, 'tcx> { - fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _location: mir::Location) { - let lhs = place.local; - match rvalue { - mir::Rvalue::Ref(_, _, borrowed) => { - self.possible_borrower.add(borrowed.local, lhs); - }, - other => { - if ContainsRegion - .visit_ty(place.ty(&self.body.local_decls, self.cx.tcx).ty) - .is_continue() - { - return; - } - rvalue_locals(other, |rhs| { - if lhs != rhs { - self.possible_borrower.add(rhs, lhs); - } - }); - }, - } - } - - fn visit_terminator(&mut self, terminator: &mir::Terminator<'_>, _loc: mir::Location) { - if let mir::TerminatorKind::Call { - args, - destination: mir::Place { local: dest, .. }, - .. - } = &terminator.kind - { - // TODO add doc - // If the call returns something with lifetimes, - // let's conservatively assume the returned value contains lifetime of all the arguments. - // For example, given `let y: Foo<'a> = foo(x)`, `y` is considered to be a possible borrower of `x`. - - let mut immutable_borrowers = vec![]; - let mut mutable_borrowers = vec![]; - - for op in args { - match op { - mir::Operand::Copy(p) | mir::Operand::Move(p) => { - if let ty::Ref(_, _, Mutability::Mut) = self.body.local_decls[p.local].ty.kind() { - mutable_borrowers.push(p.local); - } else { - immutable_borrowers.push(p.local); - } - }, - mir::Operand::Constant(..) => (), - } - } - - let mut mutable_variables: Vec<mir::Local> = mutable_borrowers - .iter() - .filter_map(|r| self.possible_origin.get(r)) - .flat_map(HybridBitSet::iter) - .collect(); - - if ContainsRegion.visit_ty(self.body.local_decls[*dest].ty).is_break() { - mutable_variables.push(*dest); - } - - for y in mutable_variables { - for x in &immutable_borrowers { - self.possible_borrower.add(*x, y); - } - for x in &mutable_borrowers { - self.possible_borrower.add(*x, y); - } - } - } - } -} - -/// Collect possible borrowed for every `&mut` local. -/// For example, `_1 = &mut _2` generate _1: {_2,...} -/// Known Problems: not sure all borrowed are tracked -struct PossibleOriginVisitor<'a, 'tcx> { - possible_origin: TransitiveRelation, - body: &'a mir::Body<'tcx>, -} - -impl<'a, 'tcx> PossibleOriginVisitor<'a, 'tcx> { - fn new(body: &'a mir::Body<'tcx>) -> Self { - Self { - possible_origin: TransitiveRelation::default(), - body, - } - } - - fn into_map(self, cx: &LateContext<'tcx>) -> FxHashMap<mir::Local, HybridBitSet<mir::Local>> { - let mut map = FxHashMap::default(); - for row in (1..self.body.local_decls.len()).map(mir::Local::from_usize) { - if is_copy(cx, self.body.local_decls[row].ty) { - continue; - } - - let mut borrowers = self.possible_origin.reachable_from(row, self.body.local_decls.len()); - borrowers.remove(mir::Local::from_usize(0)); - if !borrowers.is_empty() { - map.insert(row, borrowers); - } - } - map - } -} - -impl<'a, 'tcx> mir::visit::Visitor<'tcx> for PossibleOriginVisitor<'a, 'tcx> { - fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _location: mir::Location) { - let lhs = place.local; - match rvalue { - // Only consider `&mut`, which can modify origin place - mir::Rvalue::Ref(_, rustc_middle::mir::BorrowKind::Mut { .. }, borrowed) | - // _2: &mut _; - // _3 = move _2 - mir::Rvalue::Use(mir::Operand::Move(borrowed)) | - // _3 = move _2 as &mut _; - mir::Rvalue::Cast(_, mir::Operand::Move(borrowed), _) - => { - self.possible_origin.add(lhs, borrowed.local); - }, - _ => {}, - } - } -} - -struct ContainsRegion; - -impl TypeVisitor<'_> for ContainsRegion { - type BreakTy = (); - - fn visit_region(&mut self, _: ty::Region<'_>) -> ControlFlow<Self::BreakTy> { - ControlFlow::BREAK - } -} - -fn rvalue_locals(rvalue: &mir::Rvalue<'_>, mut visit: impl FnMut(mir::Local)) { - use rustc_middle::mir::Rvalue::{Aggregate, BinaryOp, Cast, CheckedBinaryOp, Repeat, UnaryOp, Use}; - - let mut visit_op = |op: &mir::Operand<'_>| match op { - mir::Operand::Copy(p) | mir::Operand::Move(p) => visit(p.local), - mir::Operand::Constant(..) => (), - }; - match rvalue { - Use(op) | Repeat(op, _) | Cast(_, op, _) | UnaryOp(_, op) => visit_op(op), - Aggregate(_, ops) => ops.iter().for_each(visit_op), - BinaryOp(_, box (lhs, rhs)) | CheckedBinaryOp(_, box (lhs, rhs)) => { - visit_op(lhs); - visit_op(rhs); +fn visit_clone_usage(cloned: mir::Local, clone: mir::Local, mir: &mir::Body<'_>, bb: mir::BasicBlock) -> CloneUsage { + if let Some(( + LocalUsage { + local_use_locs: cloned_use_locs, + local_consume_or_mutate_locs: cloned_consume_or_mutate_locs, }, - _ => (), - } -} - -/// Result of `PossibleBorrowerVisitor`. -struct PossibleBorrowerMap<'a, 'tcx> { - /// Mapping `Local -> its possible borrowers` - map: FxHashMap<mir::Local, HybridBitSet<mir::Local>>, - maybe_live: ResultsCursor<'a, 'tcx, MaybeStorageLive>, - // Caches to avoid allocation of `BitSet` on every query - bitset: (BitSet<mir::Local>, BitSet<mir::Local>), -} - -impl PossibleBorrowerMap<'_, '_> { - /// Returns true if the set of borrowers of `borrowed` living at `at` matches with `borrowers`. - fn only_borrowers(&mut self, borrowers: &[mir::Local], borrowed: mir::Local, at: mir::Location) -> bool { - self.maybe_live.seek_after_primary_effect(at); - - self.bitset.0.clear(); - let maybe_live = &mut self.maybe_live; - if let Some(bitset) = self.map.get(&borrowed) { - for b in bitset.iter().filter(move |b| maybe_live.contains(*b)) { - self.bitset.0.insert(b); - } - } else { - return false; - } - - self.bitset.1.clear(); - for b in borrowers { - self.bitset.1.insert(*b); + LocalUsage { + local_use_locs: _, + local_consume_or_mutate_locs: clone_consume_or_mutate_locs, + }, + )) = visit_local_usage( + &[cloned, clone], + mir, + mir::Location { + block: bb, + statement_index: mir.basic_blocks[bb].statements.len(), + }, + ) + .map(|mut vec| (vec.remove(0), vec.remove(0))) + { + CloneUsage { + cloned_used: !cloned_use_locs.is_empty(), + cloned_consume_or_mutate_loc: cloned_consume_or_mutate_locs.first().copied(), + // Consider non-temporary clones consumed. + // TODO: Actually check for mutation of non-temporaries. + clone_consumed_or_mutated: mir.local_kind(clone) != mir::LocalKind::Temp + || !clone_consume_or_mutate_locs.is_empty(), } - - self.bitset.0 == self.bitset.1 - } - - fn local_is_alive_at(&mut self, local: mir::Local, at: mir::Location) -> bool { - self.maybe_live.seek_after_primary_effect(at); - self.maybe_live.contains(local) - } -} - -#[derive(Default)] -struct TransitiveRelation { - relations: FxHashMap<mir::Local, Vec<mir::Local>>, -} -impl TransitiveRelation { - fn add(&mut self, a: mir::Local, b: mir::Local) { - self.relations.entry(a).or_default().push(b); - } - - fn reachable_from(&self, a: mir::Local, domain_size: usize) -> HybridBitSet<mir::Local> { - let mut seen = HybridBitSet::new_empty(domain_size); - let mut stack = vec![a]; - while let Some(u) = stack.pop() { - if let Some(edges) = self.relations.get(&u) { - for &v in edges { - if seen.insert(v) { - stack.push(v); - } - } - } + } else { + CloneUsage { + cloned_used: true, + cloned_consume_or_mutate_loc: None, + clone_consumed_or_mutated: true, } - seen } } diff --git a/src/tools/clippy/clippy_lints/src/ref_option_ref.rs b/src/tools/clippy/clippy_lints/src/ref_option_ref.rs index 42514f861be..f21b3ea6c3b 100644 --- a/src/tools/clippy/clippy_lints/src/ref_option_ref.rs +++ b/src/tools/clippy/clippy_lints/src/ref_option_ref.rs @@ -52,7 +52,8 @@ impl<'tcx> LateLintPass<'tcx> for RefOptionRef { GenericArg::Type(inner_ty) => Some(inner_ty), _ => None, }); - if let TyKind::Rptr(_, _) = inner_ty.kind; + if let TyKind::Rptr(_, ref inner_mut_ty) = inner_ty.kind; + if inner_mut_ty.mutbl == Mutability::Not; then { span_lint_and_sugg( diff --git a/src/tools/clippy/clippy_lints/src/shadow.rs b/src/tools/clippy/clippy_lints/src/shadow.rs index 5dcdab5b8ab..87f966ced0d 100644 --- a/src/tools/clippy/clippy_lints/src/shadow.rs +++ b/src/tools/clippy/clippy_lints/src/shadow.rs @@ -106,10 +106,7 @@ impl_lint_pass!(Shadow => [SHADOW_SAME, SHADOW_REUSE, SHADOW_UNRELATED]); impl<'tcx> LateLintPass<'tcx> for Shadow { fn check_pat(&mut self, cx: &LateContext<'tcx>, pat: &'tcx Pat<'_>) { - let (id, ident) = match pat.kind { - PatKind::Binding(_, hir_id, ident, _) => (hir_id, ident), - _ => return, - }; + let PatKind::Binding(_, id, ident, _) = pat.kind else { return }; if pat.span.desugaring_kind().is_some() { return; diff --git a/src/tools/clippy/clippy_lints/src/transmute/utils.rs b/src/tools/clippy/clippy_lints/src/transmute/utils.rs index 102f7541c8c..2f190e594a8 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/utils.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/utils.rs @@ -1,16 +1,12 @@ use rustc_hir::Expr; -use rustc_hir_analysis::check::{cast, FnCtxt, Inherited}; +use rustc_hir_typeck::{cast, FnCtxt, Inherited}; use rustc_lint::LateContext; use rustc_middle::ty::{cast::CastKind, Ty}; use rustc_span::DUMMY_SP; // check if the component types of the transmuted collection and the result have different ABI, // size or alignment -pub(super) fn is_layout_incompatible<'tcx>( - cx: &LateContext<'tcx>, - from: Ty<'tcx>, - to: Ty<'tcx>, -) -> bool { +pub(super) fn is_layout_incompatible<'tcx>(cx: &LateContext<'tcx>, from: Ty<'tcx>, to: Ty<'tcx>) -> bool { if let Ok(from) = cx.tcx.try_normalize_erasing_regions(cx.param_env, from) && let Ok(to) = cx.tcx.try_normalize_erasing_regions(cx.param_env, to) && let Ok(from_layout) = cx.tcx.layout_of(cx.param_env.and(from)) @@ -33,9 +29,7 @@ pub(super) fn can_be_expressed_as_pointer_cast<'tcx>( from_ty: Ty<'tcx>, to_ty: Ty<'tcx>, ) -> bool { - use CastKind::{ - AddrPtrCast, ArrayPtrCast, FnPtrAddrCast, FnPtrPtrCast, PtrAddrCast, PtrPtrCast, - }; + use CastKind::{AddrPtrCast, ArrayPtrCast, FnPtrAddrCast, FnPtrPtrCast, PtrAddrCast, PtrPtrCast}; matches!( check_cast(cx, e, from_ty, to_ty), Some(PtrPtrCast | PtrAddrCast | AddrPtrCast | ArrayPtrCast | FnPtrPtrCast | FnPtrAddrCast) @@ -46,20 +40,18 @@ pub(super) fn can_be_expressed_as_pointer_cast<'tcx>( /// the cast. In certain cases, including some invalid casts from array references /// to pointers, this may cause additional errors to be emitted and/or ICE error /// messages. This function will panic if that occurs. -fn check_cast<'tcx>( - cx: &LateContext<'tcx>, - e: &'tcx Expr<'_>, - from_ty: Ty<'tcx>, - to_ty: Ty<'tcx>, -) -> Option<CastKind> { +fn check_cast<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>, from_ty: Ty<'tcx>, to_ty: Ty<'tcx>) -> Option<CastKind> { let hir_id = e.hir_id; let local_def_id = hir_id.owner.def_id; Inherited::build(cx.tcx, local_def_id).enter(|inherited| { - let fn_ctxt = FnCtxt::new(&inherited, cx.param_env, hir_id); + let fn_ctxt = FnCtxt::new(inherited, cx.param_env, hir_id); // If we already have errors, we can't be sure we can pointer cast. - assert!(!fn_ctxt.errors_reported_since_creation(), "Newly created FnCtxt contained errors"); + assert!( + !fn_ctxt.errors_reported_since_creation(), + "Newly created FnCtxt contained errors" + ); if let Ok(check) = cast::CastCheck::new( &fn_ctxt, e, from_ty, to_ty, diff --git a/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs b/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs index 6b9de64e24c..fa567b9b2d2 100644 --- a/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs +++ b/src/tools/clippy/clippy_lints/src/types/rc_buffer.rs @@ -9,6 +9,7 @@ use rustc_span::symbol::sym; use super::RC_BUFFER; pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_>, def_id: DefId) -> bool { + let app = Applicability::Unspecified; if cx.tcx.is_diagnostic_item(sym::Rc, def_id) { if let Some(alternate) = match_buffer_type(cx, qpath) { span_lint_and_sugg( @@ -18,7 +19,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ "usage of `Rc<T>` when T is a buffer type", "try", format!("Rc<{alternate}>"), - Applicability::MachineApplicable, + app, ); } else { let Some(ty) = qpath_generic_tys(qpath).next() else { return false }; @@ -26,15 +27,12 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ if !cx.tcx.is_diagnostic_item(sym::Vec, id) { return false; } - let qpath = match &ty.kind { - TyKind::Path(qpath) => qpath, - _ => return false, - }; + let TyKind::Path(qpath) = &ty.kind else { return false }; let inner_span = match qpath_generic_tys(qpath).next() { Some(ty) => ty.span, None => return false, }; - let mut applicability = Applicability::MachineApplicable; + let mut applicability = app; span_lint_and_sugg( cx, RC_BUFFER, @@ -45,7 +43,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ "Rc<[{}]>", snippet_with_applicability(cx, inner_span, "..", &mut applicability) ), - Applicability::MachineApplicable, + app, ); return true; } @@ -58,22 +56,19 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ "usage of `Arc<T>` when T is a buffer type", "try", format!("Arc<{alternate}>"), - Applicability::MachineApplicable, + app, ); } else if let Some(ty) = qpath_generic_tys(qpath).next() { let Some(id) = path_def_id(cx, ty) else { return false }; if !cx.tcx.is_diagnostic_item(sym::Vec, id) { return false; } - let qpath = match &ty.kind { - TyKind::Path(qpath) => qpath, - _ => return false, - }; + let TyKind::Path(qpath) = &ty.kind else { return false }; let inner_span = match qpath_generic_tys(qpath).next() { Some(ty) => ty.span, None => return false, }; - let mut applicability = Applicability::MachineApplicable; + let mut applicability = app; span_lint_and_sugg( cx, RC_BUFFER, @@ -84,7 +79,7 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ "Arc<[{}]>", snippet_with_applicability(cx, inner_span, "..", &mut applicability) ), - Applicability::MachineApplicable, + app, ); return true; } diff --git a/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs b/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs index ecb67200539..7883353e3fe 100644 --- a/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs +++ b/src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs @@ -10,6 +10,7 @@ use rustc_span::symbol::sym; use super::{utils, REDUNDANT_ALLOCATION}; pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_>, def_id: DefId) -> bool { + let mut applicability = Applicability::MaybeIncorrect; let outer_sym = if Some(def_id) == cx.tcx.lang_items().owned_box() { "Box" } else if cx.tcx.is_diagnostic_item(sym::Rc, def_id) { @@ -21,7 +22,6 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ }; if let Some(span) = utils::match_borrows_parameter(cx, qpath) { - let mut applicability = Applicability::MaybeIncorrect; let generic_snippet = snippet_with_applicability(cx, span, "..", &mut applicability); span_lint_and_then( cx, @@ -47,9 +47,8 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ _ => return false, }; - let inner_qpath = match &ty.kind { - TyKind::Path(inner_qpath) => inner_qpath, - _ => return false, + let TyKind::Path(inner_qpath) = &ty.kind else { + return false }; let inner_span = match qpath_generic_tys(inner_qpath).next() { Some(ty) => { @@ -64,7 +63,6 @@ pub(super) fn check(cx: &LateContext<'_>, hir_ty: &hir::Ty<'_>, qpath: &QPath<'_ None => return false, }; if inner_sym == outer_sym { - let mut applicability = Applicability::MaybeIncorrect; let generic_snippet = snippet_with_applicability(cx, inner_span, "..", &mut applicability); span_lint_and_then( cx, diff --git a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs index 57aff5367dd..1307288623f 100644 --- a/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs +++ b/src/tools/clippy/clippy_lints/src/unit_return_expecting_ord.rs @@ -1,5 +1,4 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; -use clippy_utils::{get_trait_def_id, paths}; use if_chain::if_chain; use rustc_hir::def_id::DefId; use rustc_hir::{Closure, Expr, ExprKind, StmtKind}; @@ -7,7 +6,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_middle::ty::{GenericPredicates, PredicateKind, ProjectionPredicate, TraitPredicate}; use rustc_session::{declare_lint_pass, declare_tool_lint}; -use rustc_span::{BytePos, Span}; +use rustc_span::{sym, BytePos, Span}; declare_clippy_lint! { /// ### What it does @@ -80,7 +79,7 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve let fn_sig = cx.tcx.fn_sig(def_id); let generics = cx.tcx.predicates_of(def_id); let fn_mut_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.lang_items().fn_mut_trait()); - let ord_preds = get_trait_predicates_for_trait_id(cx, generics, get_trait_def_id(cx, &paths::ORD)); + let ord_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.get_diagnostic_item(sym::Ord)); let partial_ord_preds = get_trait_predicates_for_trait_id(cx, generics, cx.tcx.lang_items().partial_ord_trait()); // Trying to call erase_late_bound_regions on fn_sig.inputs() gives the following error @@ -99,11 +98,15 @@ fn get_args_to_check<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'tcx>) -> Ve if trait_pred.self_ty() == inp; if let Some(return_ty_pred) = get_projection_pred(cx, generics, *trait_pred); then { - if ord_preds.iter().any(|ord| Some(ord.self_ty()) == return_ty_pred.term.ty()) { + if ord_preds + .iter() + .any(|ord| Some(ord.self_ty()) == return_ty_pred.term.ty()) + { args_to_check.push((i, "Ord".to_string())); - } else if partial_ord_preds.iter().any(|pord| { - pord.self_ty() == return_ty_pred.term.ty().unwrap() - }) { + } else if partial_ord_preds + .iter() + .any(|pord| pord.self_ty() == return_ty_pred.term.ty().unwrap()) + { args_to_check.push((i, "PartialOrd".to_string())); } } diff --git a/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs b/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs index fb73c386640..b305dae7608 100644 --- a/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs +++ b/src/tools/clippy/clippy_lints/src/unnested_or_patterns.rs @@ -163,9 +163,8 @@ fn unnest_or_patterns(pat: &mut P<Pat>) -> bool { noop_visit_pat(p, self); // Don't have an or-pattern? Just quit early on. - let alternatives = match &mut p.kind { - Or(ps) => ps, - _ => return, + let Or(alternatives) = &mut p.kind else { + return }; // Collapse or-patterns directly nested in or-patterns. diff --git a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs index 8bcdff66331..92053cec59f 100644 --- a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs +++ b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs @@ -47,9 +47,8 @@ declare_lint_pass!(UnusedIoAmount => [UNUSED_IO_AMOUNT]); impl<'tcx> LateLintPass<'tcx> for UnusedIoAmount { fn check_stmt(&mut self, cx: &LateContext<'_>, s: &hir::Stmt<'_>) { - let expr = match s.kind { - hir::StmtKind::Semi(expr) | hir::StmtKind::Expr(expr) => expr, - _ => return, + let (hir::StmtKind::Semi(expr) | hir::StmtKind::Expr(expr)) = s.kind else { + return }; match expr.kind { diff --git a/src/tools/clippy/clippy_lints/src/useless_conversion.rs b/src/tools/clippy/clippy_lints/src/useless_conversion.rs index a82643a59f9..1f69db1cbca 100644 --- a/src/tools/clippy/clippy_lints/src/useless_conversion.rs +++ b/src/tools/clippy/clippy_lints/src/useless_conversion.rs @@ -55,9 +55,8 @@ impl<'tcx> LateLintPass<'tcx> for UselessConversion { match e.kind { ExprKind::Match(_, arms, MatchSource::TryDesugar) => { - let e = match arms[0].body.kind { - ExprKind::Ret(Some(e)) | ExprKind::Break(_, Some(e)) => e, - _ => return, + let (ExprKind::Ret(Some(e)) | ExprKind::Break(_, Some(e))) = arms[0].body.kind else { + return }; if let ExprKind::Call(_, [arg, ..]) = e.kind { self.try_desugar_arm.push(arg.hir_id); diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index e069de8cb5c..0c052d86eda 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -12,6 +12,7 @@ use rustc_hir::{ use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::symbol::{Ident, Symbol}; +use std::cell::Cell; use std::fmt::{Display, Formatter, Write as _}; declare_clippy_lint! { @@ -37,15 +38,13 @@ declare_clippy_lint! { /// /// ```rust,ignore /// // ./tests/ui/new_lint.stdout - /// if_chain! { - /// if let ExprKind::If(ref cond, ref then, None) = item.kind, - /// if let ExprKind::Binary(BinOp::Eq, ref left, ref right) = cond.kind, - /// if let ExprKind::Path(ref path) = left.kind, - /// if let ExprKind::Lit(ref lit) = right.kind, - /// if let LitKind::Int(42, _) = lit.node, - /// then { - /// // report your lint here - /// } + /// if ExprKind::If(ref cond, ref then, None) = item.kind + /// && let ExprKind::Binary(BinOp::Eq, ref left, ref right) = cond.kind + /// && let ExprKind::Path(ref path) = left.kind + /// && let ExprKind::Lit(ref lit) = right.kind + /// && let LitKind::Int(42, _) = lit.node + /// { + /// // report your lint here /// } /// ``` pub LINT_AUTHOR, @@ -91,15 +90,16 @@ macro_rules! field { }; } -fn prelude() { - println!("if_chain! {{"); -} - -fn done() { - println!(" then {{"); - println!(" // report your lint here"); - println!(" }}"); - println!("}}"); +/// Print a condition of a let chain, `chain!(self, "let Some(x) = y")` will print +/// `if let Some(x) = y` on the first call and ` && let Some(x) = y` thereafter +macro_rules! chain { + ($self:ident, $($t:tt)*) => { + if $self.first.take() { + println!("if {}", format_args!($($t)*)); + } else { + println!(" && {}", format_args!($($t)*)); + } + } } impl<'tcx> LateLintPass<'tcx> for Author { @@ -149,9 +149,10 @@ fn check_item(cx: &LateContext<'_>, hir_id: HirId) { fn check_node(cx: &LateContext<'_>, hir_id: HirId, f: impl Fn(&PrintVisitor<'_, '_>)) { if has_attr(cx, hir_id) { - prelude(); f(&PrintVisitor::new(cx)); - done(); + println!("{{"); + println!(" // report your lint here"); + println!("}}"); } } @@ -195,7 +196,9 @@ struct PrintVisitor<'a, 'tcx> { cx: &'a LateContext<'tcx>, /// Fields are the current index that needs to be appended to pattern /// binding names - ids: std::cell::Cell<FxHashMap<&'static str, u32>>, + ids: Cell<FxHashMap<&'static str, u32>>, + /// Currently at the first condition in the if chain + first: Cell<bool>, } #[allow(clippy::unused_self)] @@ -203,7 +206,8 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn new(cx: &'a LateContext<'tcx>) -> Self { Self { cx, - ids: std::cell::Cell::default(), + ids: Cell::default(), + first: Cell::new(true), } } @@ -226,10 +230,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn option<T: Copy>(&self, option: &Binding<Option<T>>, name: &'static str, f: impl Fn(&Binding<T>)) { match option.value { - None => out!("if {option}.is_none();"), + None => chain!(self, "{option}.is_none()"), Some(value) => { let value = &self.bind(name, value); - out!("if let Some({value}) = {option};"); + chain!(self, "let Some({value}) = {option}"); f(value); }, } @@ -237,9 +241,9 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn slice<T>(&self, slice: &Binding<&[T]>, f: impl Fn(&Binding<&T>)) { if slice.value.is_empty() { - out!("if {slice}.is_empty();"); + chain!(self, "{slice}.is_empty()"); } else { - out!("if {slice}.len() == {};", slice.value.len()); + chain!(self, "{slice}.len() == {}", slice.value.len()); for (i, value) in slice.value.iter().enumerate() { let name = format!("{slice}[{i}]"); f(&Binding { name, value }); @@ -254,23 +258,23 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { } fn ident(&self, ident: &Binding<Ident>) { - out!("if {ident}.as_str() == {:?};", ident.value.as_str()); + chain!(self, "{ident}.as_str() == {:?}", ident.value.as_str()); } fn symbol(&self, symbol: &Binding<Symbol>) { - out!("if {symbol}.as_str() == {:?};", symbol.value.as_str()); + chain!(self, "{symbol}.as_str() == {:?}", symbol.value.as_str()); } fn qpath(&self, qpath: &Binding<&QPath<'_>>) { if let QPath::LangItem(lang_item, ..) = *qpath.value { - out!("if matches!({qpath}, QPath::LangItem(LangItem::{lang_item:?}, _));"); + chain!(self, "matches!({qpath}, QPath::LangItem(LangItem::{lang_item:?}, _))"); } else { - out!("if match_qpath({qpath}, &[{}]);", path_to_string(qpath.value)); + chain!(self, "match_qpath({qpath}, &[{}])", path_to_string(qpath.value)); } } fn lit(&self, lit: &Binding<&Lit>) { - let kind = |kind| out!("if let LitKind::{kind} = {lit}.node;"); + let kind = |kind| chain!(self, "let LitKind::{kind} = {lit}.node"); macro_rules! kind { ($($t:tt)*) => (kind(format_args!($($t)*))); } @@ -298,7 +302,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { LitKind::ByteStr(ref vec) => { bind!(self, vec); kind!("ByteStr(ref {vec})"); - out!("if let [{:?}] = **{vec};", vec.value); + chain!(self, "let [{:?}] = **{vec}", vec.value); }, LitKind::Str(s, _) => { bind!(self, s); @@ -311,15 +315,15 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn arm(&self, arm: &Binding<&hir::Arm<'_>>) { self.pat(field!(arm.pat)); match arm.value.guard { - None => out!("if {arm}.guard.is_none();"), + None => chain!(self, "{arm}.guard.is_none()"), Some(hir::Guard::If(expr)) => { bind!(self, expr); - out!("if let Some(Guard::If({expr})) = {arm}.guard;"); + chain!(self, "let Some(Guard::If({expr})) = {arm}.guard"); self.expr(expr); }, Some(hir::Guard::IfLet(let_expr)) => { bind!(self, let_expr); - out!("if let Some(Guard::IfLet({let_expr}) = {arm}.guard;"); + chain!(self, "let Some(Guard::IfLet({let_expr}) = {arm}.guard"); self.pat(field!(let_expr.pat)); self.expr(field!(let_expr.init)); }, @@ -331,9 +335,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn expr(&self, expr: &Binding<&hir::Expr<'_>>) { if let Some(higher::While { condition, body }) = higher::While::hir(expr.value) { bind!(self, condition, body); - out!( - "if let Some(higher::While {{ condition: {condition}, body: {body} }}) \ - = higher::While::hir({expr});" + chain!( + self, + "let Some(higher::While {{ condition: {condition}, body: {body} }}) \ + = higher::While::hir({expr})" ); self.expr(condition); self.expr(body); @@ -347,9 +352,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { }) = higher::WhileLet::hir(expr.value) { bind!(self, let_pat, let_expr, if_then); - out!( - "if let Some(higher::WhileLet {{ let_pat: {let_pat}, let_expr: {let_expr}, if_then: {if_then} }}) \ - = higher::WhileLet::hir({expr});" + chain!( + self, + "let Some(higher::WhileLet {{ let_pat: {let_pat}, let_expr: {let_expr}, if_then: {if_then} }}) \ + = higher::WhileLet::hir({expr})" ); self.pat(let_pat); self.expr(let_expr); @@ -359,9 +365,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { if let Some(higher::ForLoop { pat, arg, body, .. }) = higher::ForLoop::hir(expr.value) { bind!(self, pat, arg, body); - out!( - "if let Some(higher::ForLoop {{ pat: {pat}, arg: {arg}, body: {body}, .. }}) \ - = higher::ForLoop::hir({expr});" + chain!( + self, + "let Some(higher::ForLoop {{ pat: {pat}, arg: {arg}, body: {body}, .. }}) \ + = higher::ForLoop::hir({expr})" ); self.pat(pat); self.expr(arg); @@ -369,7 +376,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { return; } - let kind = |kind| out!("if let ExprKind::{kind} = {expr}.kind;"); + let kind = |kind| chain!(self, "let ExprKind::{kind} = {expr}.kind"); macro_rules! kind { ($($t:tt)*) => (kind(format_args!($($t)*))); } @@ -383,7 +390,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { // if it's a path if let Some(TyKind::Path(ref qpath)) = let_expr.value.ty.as_ref().map(|ty| &ty.kind) { bind!(self, qpath); - out!("if let TyKind::Path(ref {qpath}) = {let_expr}.ty.kind;"); + chain!(self, "let TyKind::Path(ref {qpath}) = {let_expr}.ty.kind"); self.qpath(qpath); } self.expr(field!(let_expr.init)); @@ -419,7 +426,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { ExprKind::Binary(op, left, right) => { bind!(self, op, left, right); kind!("Binary({op}, {left}, {right})"); - out!("if BinOpKind::{:?} == {op}.node;", op.value.node); + chain!(self, "BinOpKind::{:?} == {op}.node", op.value.node); self.expr(left); self.expr(right); }, @@ -438,7 +445,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { kind!("Cast({expr}, {cast_ty})"); if let TyKind::Path(ref qpath) = cast_ty.value.kind { bind!(self, qpath); - out!("if let TyKind::Path(ref {qpath}) = {cast_ty}.kind;"); + chain!(self, "let TyKind::Path(ref {qpath}) = {cast_ty}.kind"); self.qpath(qpath); } self.expr(expr); @@ -485,7 +492,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { bind!(self, fn_decl, body_id); kind!("Closure(CaptureBy::{capture_clause:?}, {fn_decl}, {body_id}, _, {movability})"); - out!("if let {ret_ty} = {fn_decl}.output;"); + chain!(self, "let {ret_ty} = {fn_decl}.output"); self.body(body_id); }, ExprKind::Yield(sub, source) => { @@ -509,7 +516,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { ExprKind::AssignOp(op, target, value) => { bind!(self, op, target, value); kind!("AssignOp({op}, {target}, {value})"); - out!("if BinOpKind::{:?} == {op}.node;", op.value.node); + chain!(self, "BinOpKind::{:?} == {op}.node", op.value.node); self.expr(target); self.expr(value); }, @@ -573,10 +580,10 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { kind!("Repeat({value}, {length})"); self.expr(value); match length.value { - ArrayLen::Infer(..) => out!("if let ArrayLen::Infer(..) = length;"), + ArrayLen::Infer(..) => chain!(self, "let ArrayLen::Infer(..) = length"), ArrayLen::Body(anon_const) => { bind!(self, anon_const); - out!("if let ArrayLen::Body({anon_const}) = {length};"); + chain!(self, "let ArrayLen::Body({anon_const}) = {length}"); self.body(field!(anon_const.body)); }, } @@ -600,12 +607,12 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { fn body(&self, body_id: &Binding<hir::BodyId>) { let expr = self.cx.tcx.hir().body(body_id.value).value; bind!(self, expr); - out!("let {expr} = &cx.tcx.hir().body({body_id}).value;"); + chain!(self, "{expr} = &cx.tcx.hir().body({body_id}).value"); self.expr(expr); } fn pat(&self, pat: &Binding<&hir::Pat<'_>>) { - let kind = |kind| out!("if let PatKind::{kind} = {pat}.kind;"); + let kind = |kind| chain!(self, "let PatKind::{kind} = {pat}.kind"); macro_rules! kind { ($($t:tt)*) => (kind(format_args!($($t)*))); } @@ -688,7 +695,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { } fn stmt(&self, stmt: &Binding<&hir::Stmt<'_>>) { - let kind = |kind| out!("if let StmtKind::{kind} = {stmt}.kind;"); + let kind = |kind| chain!(self, "let StmtKind::{kind} = {stmt}.kind"); macro_rules! kind { ($($t:tt)*) => (kind(format_args!($($t)*))); } diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs index 85bcbc7ad23..71f6c9909dd 100644 --- a/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints.rs @@ -1,1566 +1,12 @@ -use crate::utils::internal_lints::metadata_collector::is_deprecated_lint; -use clippy_utils::consts::{constant_simple, Constant}; -use clippy_utils::diagnostics::{span_lint, span_lint_and_help, span_lint_and_sugg, span_lint_and_then}; -use clippy_utils::macros::root_macro_call_first_node; -use clippy_utils::source::{snippet, snippet_with_applicability}; -use clippy_utils::ty::match_type; -use clippy_utils::{ - def_path_res, higher, is_else_clause, is_expn_of, is_expr_path_def_path, is_lint_allowed, match_any_def_paths, - match_def_path, method_calls, paths, peel_blocks_with_stmt, peel_hir_expr_refs, SpanlessEq, -}; -use if_chain::if_chain; -use rustc_ast as ast; -use rustc_ast::ast::{Crate, ItemKind, LitKind, ModKind, NodeId}; -use rustc_ast::visit::FnKind; -use rustc_data_structures::fx::{FxHashMap, FxHashSet}; -use rustc_errors::Applicability; -use rustc_hir as hir; -use rustc_hir::def::{DefKind, Namespace, Res}; -use rustc_hir::def_id::DefId; -use rustc_hir::hir_id::CRATE_HIR_ID; -use rustc_hir::intravisit::Visitor; -use rustc_hir::{ - BinOpKind, Block, Closure, Expr, ExprKind, HirId, Item, Local, MutTy, Mutability, Node, Path, Stmt, StmtKind, - TyKind, UnOp, -}; -use rustc_hir_analysis::hir_ty_to_ty; -use rustc_lint::{EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext}; -use rustc_middle::hir::nested_filter; -use rustc_middle::mir::interpret::{Allocation, ConstValue, GlobalAlloc}; -use rustc_middle::ty::{ - self, fast_reject::SimplifiedTypeGen, subst::GenericArgKind, AssocKind, DefIdTree, FloatTy, Ty, -}; -use rustc_semver::RustcVersion; -use rustc_session::{declare_lint_pass, declare_tool_lint, impl_lint_pass}; -use rustc_span::source_map::Spanned; -use rustc_span::symbol::{Ident, Symbol}; -use rustc_span::{sym, BytePos, Span}; - -use std::borrow::{Borrow, Cow}; -use std::str; - -#[cfg(feature = "internal")] +pub mod clippy_lints_internal; +pub mod collapsible_calls; +pub mod compiler_lint_functions; +pub mod if_chain_style; +pub mod interning_defined_symbol; +pub mod invalid_paths; +pub mod lint_without_lint_pass; pub mod metadata_collector; - -declare_clippy_lint! { - /// ### What it does - /// Checks for various things we like to keep tidy in clippy. - /// - /// ### Why is this bad? - /// We like to pretend we're an example of tidy code. - /// - /// ### Example - /// Wrong ordering of the util::paths constants. - pub CLIPPY_LINTS_INTERNAL, - internal, - "various things that will negatively affect your clippy experience" -} - -declare_clippy_lint! { - /// ### What it does - /// Ensures every lint is associated to a `LintPass`. - /// - /// ### Why is this bad? - /// The compiler only knows lints via a `LintPass`. Without - /// putting a lint to a `LintPass::get_lints()`'s return, the compiler will not - /// know the name of the lint. - /// - /// ### Known problems - /// Only checks for lints associated using the - /// `declare_lint_pass!`, `impl_lint_pass!`, and `lint_array!` macros. - /// - /// ### Example - /// ```rust,ignore - /// declare_lint! { pub LINT_1, ... } - /// declare_lint! { pub LINT_2, ... } - /// declare_lint! { pub FORGOTTEN_LINT, ... } - /// // ... - /// declare_lint_pass!(Pass => [LINT_1, LINT_2]); - /// // missing FORGOTTEN_LINT - /// ``` - pub LINT_WITHOUT_LINT_PASS, - internal, - "declaring a lint without associating it in a LintPass" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for calls to `cx.span_lint*` and suggests to use the `utils::*` - /// variant of the function. - /// - /// ### Why is this bad? - /// The `utils::*` variants also add a link to the Clippy documentation to the - /// warning/error messages. - /// - /// ### Example - /// ```rust,ignore - /// cx.span_lint(LINT_NAME, "message"); - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// utils::span_lint(cx, LINT_NAME, "message"); - /// ``` - pub COMPILER_LINT_FUNCTIONS, - internal, - "usage of the lint functions of the compiler instead of the utils::* variant" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for calls to `cx.outer().expn_data()` and suggests to use - /// the `cx.outer_expn_data()` - /// - /// ### Why is this bad? - /// `cx.outer_expn_data()` is faster and more concise. - /// - /// ### Example - /// ```rust,ignore - /// expr.span.ctxt().outer().expn_data() - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// expr.span.ctxt().outer_expn_data() - /// ``` - pub OUTER_EXPN_EXPN_DATA, - internal, - "using `cx.outer_expn().expn_data()` instead of `cx.outer_expn_data()`" -} - -declare_clippy_lint! { - /// ### What it does - /// Not an actual lint. This lint is only meant for testing our customized internal compiler - /// error message by calling `panic`. - /// - /// ### Why is this bad? - /// ICE in large quantities can damage your teeth - /// - /// ### Example - /// ```rust,ignore - /// 🍦🍦🍦🍦🍦 - /// ``` - pub PRODUCE_ICE, - internal, - "this message should not appear anywhere as we ICE before and don't emit the lint" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for cases of an auto-generated lint without an updated description, - /// i.e. `default lint description`. - /// - /// ### Why is this bad? - /// Indicates that the lint is not finished. - /// - /// ### Example - /// ```rust,ignore - /// declare_lint! { pub COOL_LINT, nursery, "default lint description" } - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// declare_lint! { pub COOL_LINT, nursery, "a great new lint" } - /// ``` - pub DEFAULT_LINT, - internal, - "found 'default lint description' in a lint declaration" -} - -declare_clippy_lint! { - /// ### What it does - /// Lints `span_lint_and_then` function calls, where the - /// closure argument has only one statement and that statement is a method - /// call to `span_suggestion`, `span_help`, `span_note` (using the same - /// span), `help` or `note`. - /// - /// These usages of `span_lint_and_then` should be replaced with one of the - /// wrapper functions `span_lint_and_sugg`, span_lint_and_help`, or - /// `span_lint_and_note`. - /// - /// ### Why is this bad? - /// Using the wrapper `span_lint_and_*` functions, is more - /// convenient, readable and less error prone. - /// - /// ### Example - /// ```rust,ignore - /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { - /// diag.span_suggestion( - /// expr.span, - /// help_msg, - /// sugg.to_string(), - /// Applicability::MachineApplicable, - /// ); - /// }); - /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { - /// diag.span_help(expr.span, help_msg); - /// }); - /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { - /// diag.help(help_msg); - /// }); - /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { - /// diag.span_note(expr.span, note_msg); - /// }); - /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { - /// diag.note(note_msg); - /// }); - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// span_lint_and_sugg( - /// cx, - /// TEST_LINT, - /// expr.span, - /// lint_msg, - /// help_msg, - /// sugg.to_string(), - /// Applicability::MachineApplicable, - /// ); - /// span_lint_and_help(cx, TEST_LINT, expr.span, lint_msg, Some(expr.span), help_msg); - /// span_lint_and_help(cx, TEST_LINT, expr.span, lint_msg, None, help_msg); - /// span_lint_and_note(cx, TEST_LINT, expr.span, lint_msg, Some(expr.span), note_msg); - /// span_lint_and_note(cx, TEST_LINT, expr.span, lint_msg, None, note_msg); - /// ``` - pub COLLAPSIBLE_SPAN_LINT_CALLS, - internal, - "found collapsible `span_lint_and_then` calls" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for usages of def paths when a diagnostic item or a `LangItem` could be used. - /// - /// ### Why is this bad? - /// The path for an item is subject to change and is less efficient to look up than a - /// diagnostic item or a `LangItem`. - /// - /// ### Example - /// ```rust,ignore - /// utils::match_type(cx, ty, &paths::VEC) - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// utils::is_type_diagnostic_item(cx, ty, sym::Vec) - /// ``` - pub UNNECESSARY_DEF_PATH, - internal, - "using a def path when a diagnostic item or a `LangItem` is available" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks the paths module for invalid paths. - /// - /// ### Why is this bad? - /// It indicates a bug in the code. - /// - /// ### Example - /// None. - pub INVALID_PATHS, - internal, - "invalid path" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for interning symbols that have already been pre-interned and defined as constants. - /// - /// ### Why is this bad? - /// It's faster and easier to use the symbol constant. - /// - /// ### Example - /// ```rust,ignore - /// let _ = sym!(f32); - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// let _ = sym::f32; - /// ``` - pub INTERNING_DEFINED_SYMBOL, - internal, - "interning a symbol that is pre-interned and defined as a constant" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for unnecessary conversion from Symbol to a string. - /// - /// ### Why is this bad? - /// It's faster use symbols directly instead of strings. - /// - /// ### Example - /// ```rust,ignore - /// symbol.as_str() == "clippy"; - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// symbol == sym::clippy; - /// ``` - pub UNNECESSARY_SYMBOL_STR, - internal, - "unnecessary conversion between Symbol and string" -} - -declare_clippy_lint! { - /// Finds unidiomatic usage of `if_chain!` - pub IF_CHAIN_STYLE, - internal, - "non-idiomatic `if_chain!` usage" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for invalid `clippy::version` attributes. - /// - /// Valid values are: - /// * "pre 1.29.0" - /// * any valid semantic version - pub INVALID_CLIPPY_VERSION_ATTRIBUTE, - internal, - "found an invalid `clippy::version` attribute" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for declared clippy lints without the `clippy::version` attribute. - /// - pub MISSING_CLIPPY_VERSION_ATTRIBUTE, - internal, - "found clippy lint without `clippy::version` attribute" -} - -declare_clippy_lint! { - /// ### What it does - /// Check that the `extract_msrv_attr!` macro is used, when a lint has a MSRV. - /// - pub MISSING_MSRV_ATTR_IMPL, - internal, - "checking if all necessary steps were taken when adding a MSRV to a lint" -} - -declare_clippy_lint! { - /// ### What it does - /// Checks for cases of an auto-generated deprecated lint without an updated reason, - /// i.e. `"default deprecation note"`. - /// - /// ### Why is this bad? - /// Indicates that the documentation is incomplete. - /// - /// ### Example - /// ```rust,ignore - /// declare_deprecated_lint! { - /// /// ### What it does - /// /// Nothing. This lint has been deprecated. - /// /// - /// /// ### Deprecation reason - /// /// TODO - /// #[clippy::version = "1.63.0"] - /// pub COOL_LINT, - /// "default deprecation note" - /// } - /// ``` - /// - /// Use instead: - /// ```rust,ignore - /// declare_deprecated_lint! { - /// /// ### What it does - /// /// Nothing. This lint has been deprecated. - /// /// - /// /// ### Deprecation reason - /// /// This lint has been replaced by `cooler_lint` - /// #[clippy::version = "1.63.0"] - /// pub COOL_LINT, - /// "this lint has been replaced by `cooler_lint`" - /// } - /// ``` - pub DEFAULT_DEPRECATION_REASON, - internal, - "found 'default deprecation note' in a deprecated lint declaration" -} - -declare_lint_pass!(ClippyLintsInternal => [CLIPPY_LINTS_INTERNAL]); - -impl EarlyLintPass for ClippyLintsInternal { - fn check_crate(&mut self, cx: &EarlyContext<'_>, krate: &Crate) { - if let Some(utils) = krate.items.iter().find(|item| item.ident.name.as_str() == "utils") { - if let ItemKind::Mod(_, ModKind::Loaded(ref items, ..)) = utils.kind { - if let Some(paths) = items.iter().find(|item| item.ident.name.as_str() == "paths") { - if let ItemKind::Mod(_, ModKind::Loaded(ref items, ..)) = paths.kind { - let mut last_name: Option<&str> = None; - for item in items { - let name = item.ident.as_str(); - if let Some(last_name) = last_name { - if *last_name > *name { - span_lint( - cx, - CLIPPY_LINTS_INTERNAL, - item.span, - "this constant should be before the previous constant due to lexical \ - ordering", - ); - } - } - last_name = Some(name); - } - } - } - } - } - } -} - -#[derive(Clone, Debug, Default)] -pub struct LintWithoutLintPass { - declared_lints: FxHashMap<Symbol, Span>, - registered_lints: FxHashSet<Symbol>, -} - -impl_lint_pass!(LintWithoutLintPass => [DEFAULT_LINT, LINT_WITHOUT_LINT_PASS, INVALID_CLIPPY_VERSION_ATTRIBUTE, MISSING_CLIPPY_VERSION_ATTRIBUTE, DEFAULT_DEPRECATION_REASON]); - -impl<'tcx> LateLintPass<'tcx> for LintWithoutLintPass { - fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { - if is_lint_allowed(cx, DEFAULT_LINT, item.hir_id()) - || is_lint_allowed(cx, DEFAULT_DEPRECATION_REASON, item.hir_id()) - { - return; - } - - if let hir::ItemKind::Static(ty, Mutability::Not, body_id) = item.kind { - let is_lint_ref_ty = is_lint_ref_type(cx, ty); - if is_deprecated_lint(cx, ty) || is_lint_ref_ty { - check_invalid_clippy_version_attribute(cx, item); - - let expr = &cx.tcx.hir().body(body_id).value; - let fields; - if is_lint_ref_ty { - if let ExprKind::AddrOf(_, _, inner_exp) = expr.kind - && let ExprKind::Struct(_, struct_fields, _) = inner_exp.kind { - fields = struct_fields; - } else { - return; - } - } else if let ExprKind::Struct(_, struct_fields, _) = expr.kind { - fields = struct_fields; - } else { - return; - } - - let field = fields - .iter() - .find(|f| f.ident.as_str() == "desc") - .expect("lints must have a description field"); - - if let ExprKind::Lit(Spanned { - node: LitKind::Str(ref sym, _), - .. - }) = field.expr.kind - { - let sym_str = sym.as_str(); - if is_lint_ref_ty { - if sym_str == "default lint description" { - span_lint( - cx, - DEFAULT_LINT, - item.span, - &format!("the lint `{}` has the default lint description", item.ident.name), - ); - } - - self.declared_lints.insert(item.ident.name, item.span); - } else if sym_str == "default deprecation note" { - span_lint( - cx, - DEFAULT_DEPRECATION_REASON, - item.span, - &format!("the lint `{}` has the default deprecation reason", item.ident.name), - ); - } - } - } - } else if let Some(macro_call) = root_macro_call_first_node(cx, item) { - if !matches!( - cx.tcx.item_name(macro_call.def_id).as_str(), - "impl_lint_pass" | "declare_lint_pass" - ) { - return; - } - if let hir::ItemKind::Impl(hir::Impl { - of_trait: None, - items: impl_item_refs, - .. - }) = item.kind - { - let mut collector = LintCollector { - output: &mut self.registered_lints, - cx, - }; - let body_id = cx.tcx.hir().body_owned_by( - cx.tcx.hir().local_def_id( - impl_item_refs - .iter() - .find(|iiref| iiref.ident.as_str() == "get_lints") - .expect("LintPass needs to implement get_lints") - .id - .hir_id(), - ), - ); - collector.visit_expr(cx.tcx.hir().body(body_id).value); - } - } - } - - fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { - if is_lint_allowed(cx, LINT_WITHOUT_LINT_PASS, CRATE_HIR_ID) { - return; - } - - for (lint_name, &lint_span) in &self.declared_lints { - // When using the `declare_tool_lint!` macro, the original `lint_span`'s - // file points to "<rustc macros>". - // `compiletest-rs` thinks that's an error in a different file and - // just ignores it. This causes the test in compile-fail/lint_pass - // not able to capture the error. - // Therefore, we need to climb the macro expansion tree and find the - // actual span that invoked `declare_tool_lint!`: - let lint_span = lint_span.ctxt().outer_expn_data().call_site; - - if !self.registered_lints.contains(lint_name) { - span_lint( - cx, - LINT_WITHOUT_LINT_PASS, - lint_span, - &format!("the lint `{lint_name}` is not added to any `LintPass`"), - ); - } - } - } -} - -fn is_lint_ref_type<'tcx>(cx: &LateContext<'tcx>, ty: &hir::Ty<'_>) -> bool { - if let TyKind::Rptr( - _, - MutTy { - ty: inner, - mutbl: Mutability::Not, - }, - ) = ty.kind - { - if let TyKind::Path(ref path) = inner.kind { - if let Res::Def(DefKind::Struct, def_id) = cx.qpath_res(path, inner.hir_id) { - return match_def_path(cx, def_id, &paths::LINT); - } - } - } - - false -} - -fn check_invalid_clippy_version_attribute(cx: &LateContext<'_>, item: &'_ Item<'_>) { - if let Some(value) = extract_clippy_version_value(cx, item) { - // The `sym!` macro doesn't work as it only expects a single token. - // It's better to keep it this way and have a direct `Symbol::intern` call here. - if value == Symbol::intern("pre 1.29.0") { - return; - } - - if RustcVersion::parse(value.as_str()).is_err() { - span_lint_and_help( - cx, - INVALID_CLIPPY_VERSION_ATTRIBUTE, - item.span, - "this item has an invalid `clippy::version` attribute", - None, - "please use a valid semantic version, see `doc/adding_lints.md`", - ); - } - } else { - span_lint_and_help( - cx, - MISSING_CLIPPY_VERSION_ATTRIBUTE, - item.span, - "this lint is missing the `clippy::version` attribute or version value", - None, - "please use a `clippy::version` attribute, see `doc/adding_lints.md`", - ); - } -} - -/// This function extracts the version value of a `clippy::version` attribute if the given value has -/// one -fn extract_clippy_version_value(cx: &LateContext<'_>, item: &'_ Item<'_>) -> Option<Symbol> { - let attrs = cx.tcx.hir().attrs(item.hir_id()); - attrs.iter().find_map(|attr| { - if_chain! { - // Identify attribute - if let ast::AttrKind::Normal(ref attr_kind) = &attr.kind; - if let [tool_name, attr_name] = &attr_kind.item.path.segments[..]; - if tool_name.ident.name == sym::clippy; - if attr_name.ident.name == sym::version; - if let Some(version) = attr.value_str(); - then { - Some(version) - } else { - None - } - } - }) -} - -struct LintCollector<'a, 'tcx> { - output: &'a mut FxHashSet<Symbol>, - cx: &'a LateContext<'tcx>, -} - -impl<'a, 'tcx> Visitor<'tcx> for LintCollector<'a, 'tcx> { - type NestedFilter = nested_filter::All; - - fn visit_path(&mut self, path: &'tcx Path<'_>, _: HirId) { - if path.segments.len() == 1 { - self.output.insert(path.segments[0].ident.name); - } - } - - fn nested_visit_map(&mut self) -> Self::Map { - self.cx.tcx.hir() - } -} - -#[derive(Clone, Default)] -pub struct CompilerLintFunctions { - map: FxHashMap<&'static str, &'static str>, -} - -impl CompilerLintFunctions { - #[must_use] - pub fn new() -> Self { - let mut map = FxHashMap::default(); - map.insert("span_lint", "utils::span_lint"); - map.insert("struct_span_lint", "utils::span_lint"); - map.insert("lint", "utils::span_lint"); - map.insert("span_lint_note", "utils::span_lint_and_note"); - map.insert("span_lint_help", "utils::span_lint_and_help"); - Self { map } - } -} - -impl_lint_pass!(CompilerLintFunctions => [COMPILER_LINT_FUNCTIONS]); - -impl<'tcx> LateLintPass<'tcx> for CompilerLintFunctions { - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if is_lint_allowed(cx, COMPILER_LINT_FUNCTIONS, expr.hir_id) { - return; - } - - if_chain! { - if let ExprKind::MethodCall(path, self_arg, _, _) = &expr.kind; - let fn_name = path.ident; - if let Some(sugg) = self.map.get(fn_name.as_str()); - let ty = cx.typeck_results().expr_ty(self_arg).peel_refs(); - if match_type(cx, ty, &paths::EARLY_CONTEXT) - || match_type(cx, ty, &paths::LATE_CONTEXT); - then { - span_lint_and_help( - cx, - COMPILER_LINT_FUNCTIONS, - path.ident.span, - "usage of a compiler lint function", - None, - &format!("please use the Clippy variant of this function: `{sugg}`"), - ); - } - } - } -} - -declare_lint_pass!(OuterExpnDataPass => [OUTER_EXPN_EXPN_DATA]); - -impl<'tcx> LateLintPass<'tcx> for OuterExpnDataPass { - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { - if is_lint_allowed(cx, OUTER_EXPN_EXPN_DATA, expr.hir_id) { - return; - } - - let (method_names, arg_lists, spans) = method_calls(expr, 2); - let method_names: Vec<&str> = method_names.iter().map(Symbol::as_str).collect(); - if_chain! { - if let ["expn_data", "outer_expn"] = method_names.as_slice(); - let (self_arg, args)= arg_lists[1]; - if args.is_empty(); - let self_ty = cx.typeck_results().expr_ty(self_arg).peel_refs(); - if match_type(cx, self_ty, &paths::SYNTAX_CONTEXT); - then { - span_lint_and_sugg( - cx, - OUTER_EXPN_EXPN_DATA, - spans[1].with_hi(expr.span.hi()), - "usage of `outer_expn().expn_data()`", - "try", - "outer_expn_data()".to_string(), - Applicability::MachineApplicable, - ); - } - } - } -} - -declare_lint_pass!(ProduceIce => [PRODUCE_ICE]); - -impl EarlyLintPass for ProduceIce { - fn check_fn(&mut self, _: &EarlyContext<'_>, fn_kind: FnKind<'_>, _: Span, _: NodeId) { - assert!(!is_trigger_fn(fn_kind), "Would you like some help with that?"); - } -} - -fn is_trigger_fn(fn_kind: FnKind<'_>) -> bool { - match fn_kind { - FnKind::Fn(_, ident, ..) => ident.name.as_str() == "it_looks_like_you_are_trying_to_kill_clippy", - FnKind::Closure(..) => false, - } -} - -declare_lint_pass!(CollapsibleCalls => [COLLAPSIBLE_SPAN_LINT_CALLS]); - -impl<'tcx> LateLintPass<'tcx> for CollapsibleCalls { - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { - if is_lint_allowed(cx, COLLAPSIBLE_SPAN_LINT_CALLS, expr.hir_id) { - return; - } - - if_chain! { - if let ExprKind::Call(func, and_then_args) = expr.kind; - if is_expr_path_def_path(cx, func, &["clippy_utils", "diagnostics", "span_lint_and_then"]); - if and_then_args.len() == 5; - if let ExprKind::Closure(&Closure { body, .. }) = &and_then_args[4].kind; - let body = cx.tcx.hir().body(body); - let only_expr = peel_blocks_with_stmt(body.value); - if let ExprKind::MethodCall(ps, recv, span_call_args, _) = &only_expr.kind; - if let ExprKind::Path(..) = recv.kind; - then { - let and_then_snippets = get_and_then_snippets(cx, and_then_args); - let mut sle = SpanlessEq::new(cx).deny_side_effects(); - match ps.ident.as_str() { - "span_suggestion" if sle.eq_expr(&and_then_args[2], &span_call_args[0]) => { - suggest_suggestion(cx, expr, &and_then_snippets, &span_suggestion_snippets(cx, span_call_args)); - }, - "span_help" if sle.eq_expr(&and_then_args[2], &span_call_args[0]) => { - let help_snippet = snippet(cx, span_call_args[1].span, r#""...""#); - suggest_help(cx, expr, &and_then_snippets, help_snippet.borrow(), true); - }, - "span_note" if sle.eq_expr(&and_then_args[2], &span_call_args[0]) => { - let note_snippet = snippet(cx, span_call_args[1].span, r#""...""#); - suggest_note(cx, expr, &and_then_snippets, note_snippet.borrow(), true); - }, - "help" => { - let help_snippet = snippet(cx, span_call_args[0].span, r#""...""#); - suggest_help(cx, expr, &and_then_snippets, help_snippet.borrow(), false); - } - "note" => { - let note_snippet = snippet(cx, span_call_args[0].span, r#""...""#); - suggest_note(cx, expr, &and_then_snippets, note_snippet.borrow(), false); - } - _ => (), - } - } - } - } -} - -struct AndThenSnippets<'a> { - cx: Cow<'a, str>, - lint: Cow<'a, str>, - span: Cow<'a, str>, - msg: Cow<'a, str>, -} - -fn get_and_then_snippets<'a, 'hir>(cx: &LateContext<'_>, and_then_snippets: &'hir [Expr<'hir>]) -> AndThenSnippets<'a> { - let cx_snippet = snippet(cx, and_then_snippets[0].span, "cx"); - let lint_snippet = snippet(cx, and_then_snippets[1].span, ".."); - let span_snippet = snippet(cx, and_then_snippets[2].span, "span"); - let msg_snippet = snippet(cx, and_then_snippets[3].span, r#""...""#); - - AndThenSnippets { - cx: cx_snippet, - lint: lint_snippet, - span: span_snippet, - msg: msg_snippet, - } -} - -struct SpanSuggestionSnippets<'a> { - help: Cow<'a, str>, - sugg: Cow<'a, str>, - applicability: Cow<'a, str>, -} - -fn span_suggestion_snippets<'a, 'hir>( - cx: &LateContext<'_>, - span_call_args: &'hir [Expr<'hir>], -) -> SpanSuggestionSnippets<'a> { - let help_snippet = snippet(cx, span_call_args[1].span, r#""...""#); - let sugg_snippet = snippet(cx, span_call_args[2].span, ".."); - let applicability_snippet = snippet(cx, span_call_args[3].span, "Applicability::MachineApplicable"); - - SpanSuggestionSnippets { - help: help_snippet, - sugg: sugg_snippet, - applicability: applicability_snippet, - } -} - -fn suggest_suggestion( - cx: &LateContext<'_>, - expr: &Expr<'_>, - and_then_snippets: &AndThenSnippets<'_>, - span_suggestion_snippets: &SpanSuggestionSnippets<'_>, -) { - span_lint_and_sugg( - cx, - COLLAPSIBLE_SPAN_LINT_CALLS, - expr.span, - "this call is collapsible", - "collapse into", - format!( - "span_lint_and_sugg({}, {}, {}, {}, {}, {}, {})", - and_then_snippets.cx, - and_then_snippets.lint, - and_then_snippets.span, - and_then_snippets.msg, - span_suggestion_snippets.help, - span_suggestion_snippets.sugg, - span_suggestion_snippets.applicability - ), - Applicability::MachineApplicable, - ); -} - -fn suggest_help( - cx: &LateContext<'_>, - expr: &Expr<'_>, - and_then_snippets: &AndThenSnippets<'_>, - help: &str, - with_span: bool, -) { - let option_span = if with_span { - format!("Some({})", and_then_snippets.span) - } else { - "None".to_string() - }; - - span_lint_and_sugg( - cx, - COLLAPSIBLE_SPAN_LINT_CALLS, - expr.span, - "this call is collapsible", - "collapse into", - format!( - "span_lint_and_help({}, {}, {}, {}, {}, {help})", - and_then_snippets.cx, and_then_snippets.lint, and_then_snippets.span, and_then_snippets.msg, &option_span, - ), - Applicability::MachineApplicable, - ); -} - -fn suggest_note( - cx: &LateContext<'_>, - expr: &Expr<'_>, - and_then_snippets: &AndThenSnippets<'_>, - note: &str, - with_span: bool, -) { - let note_span = if with_span { - format!("Some({})", and_then_snippets.span) - } else { - "None".to_string() - }; - - span_lint_and_sugg( - cx, - COLLAPSIBLE_SPAN_LINT_CALLS, - expr.span, - "this call is collapsible", - "collapse into", - format!( - "span_lint_and_note({}, {}, {}, {}, {note_span}, {note})", - and_then_snippets.cx, and_then_snippets.lint, and_then_snippets.span, and_then_snippets.msg, - ), - Applicability::MachineApplicable, - ); -} - -declare_lint_pass!(UnnecessaryDefPath => [UNNECESSARY_DEF_PATH]); - -#[allow(clippy::too_many_lines)] -impl<'tcx> LateLintPass<'tcx> for UnnecessaryDefPath { - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { - enum Item { - LangItem(Symbol), - DiagnosticItem(Symbol), - } - static PATHS: &[&[&str]] = &[ - &["clippy_utils", "match_def_path"], - &["clippy_utils", "match_trait_method"], - &["clippy_utils", "ty", "match_type"], - &["clippy_utils", "is_expr_path_def_path"], - ]; - - if is_lint_allowed(cx, UNNECESSARY_DEF_PATH, expr.hir_id) { - return; - } - - if_chain! { - if let ExprKind::Call(func, [cx_arg, def_arg, args@..]) = expr.kind; - if let ExprKind::Path(path) = &func.kind; - if let Some(id) = cx.qpath_res(path, func.hir_id).opt_def_id(); - if let Some(which_path) = match_any_def_paths(cx, id, PATHS); - let item_arg = if which_path == 4 { &args[1] } else { &args[0] }; - // Extract the path to the matched type - if let Some(segments) = path_to_matched_type(cx, item_arg); - let segments: Vec<&str> = segments.iter().map(|sym| &**sym).collect(); - if let Some(def_id) = def_path_res(cx, &segments[..], None).opt_def_id(); - then { - // def_path_res will match field names before anything else, but for this we want to match - // inherent functions first. - let def_id = if cx.tcx.def_kind(def_id) == DefKind::Field { - let method_name = *segments.last().unwrap(); - cx.tcx.def_key(def_id).parent - .and_then(|parent_idx| - cx.tcx.inherent_impls(DefId { index: parent_idx, krate: def_id.krate }).iter() - .find_map(|impl_id| cx.tcx.associated_items(*impl_id) - .find_by_name_and_kind( - cx.tcx, - Ident::from_str(method_name), - AssocKind::Fn, - *impl_id, - ) - ) - ) - .map_or(def_id, |item| item.def_id) - } else { - def_id - }; - - // Check if the target item is a diagnostic item or LangItem. - let (msg, item) = if let Some(item_name) - = cx.tcx.diagnostic_items(def_id.krate).id_to_name.get(&def_id) - { - ( - "use of a def path to a diagnostic item", - Item::DiagnosticItem(*item_name), - ) - } else if let Some(lang_item) = cx.tcx.lang_items().items().iter().position(|id| *id == Some(def_id)) { - let lang_items = def_path_res(cx, &["rustc_hir", "lang_items", "LangItem"], Some(Namespace::TypeNS)).def_id(); - let item_name = cx.tcx.adt_def(lang_items).variants().iter().nth(lang_item).unwrap().name; - ( - "use of a def path to a `LangItem`", - Item::LangItem(item_name), - ) - } else { - return; - }; - - let has_ctor = match cx.tcx.def_kind(def_id) { - DefKind::Struct => { - let variant = cx.tcx.adt_def(def_id).non_enum_variant(); - variant.ctor_def_id.is_some() && variant.fields.iter().all(|f| f.vis.is_public()) - } - DefKind::Variant => { - let variant = cx.tcx.adt_def(cx.tcx.parent(def_id)).variant_with_id(def_id); - variant.ctor_def_id.is_some() && variant.fields.iter().all(|f| f.vis.is_public()) - } - _ => false, - }; - - let mut app = Applicability::MachineApplicable; - let cx_snip = snippet_with_applicability(cx, cx_arg.span, "..", &mut app); - let def_snip = snippet_with_applicability(cx, def_arg.span, "..", &mut app); - let (sugg, with_note) = match (which_path, item) { - // match_def_path - (0, Item::DiagnosticItem(item)) => - (format!("{cx_snip}.tcx.is_diagnostic_item(sym::{item}, {def_snip})"), has_ctor), - (0, Item::LangItem(item)) => ( - format!("{cx_snip}.tcx.lang_items().require(LangItem::{item}).ok() == Some({def_snip})"), - has_ctor - ), - // match_trait_method - (1, Item::DiagnosticItem(item)) => - (format!("is_trait_method({cx_snip}, {def_snip}, sym::{item})"), false), - // match_type - (2, Item::DiagnosticItem(item)) => - (format!("is_type_diagnostic_item({cx_snip}, {def_snip}, sym::{item})"), false), - (2, Item::LangItem(item)) => - (format!("is_type_lang_item({cx_snip}, {def_snip}, LangItem::{item})"), false), - // is_expr_path_def_path - (3, Item::DiagnosticItem(item)) if has_ctor => ( - format!( - "is_res_diag_ctor({cx_snip}, path_res({cx_snip}, {def_snip}), sym::{item})", - ), - false, - ), - (3, Item::LangItem(item)) if has_ctor => ( - format!( - "is_res_lang_ctor({cx_snip}, path_res({cx_snip}, {def_snip}), LangItem::{item})", - ), - false, - ), - (3, Item::DiagnosticItem(item)) => - (format!("is_path_diagnostic_item({cx_snip}, {def_snip}, sym::{item})"), false), - (3, Item::LangItem(item)) => ( - format!( - "path_res({cx_snip}, {def_snip}).opt_def_id()\ - .map_or(false, |id| {cx_snip}.tcx.lang_items().require(LangItem::{item}).ok() == Some(id))", - ), - false, - ), - _ => return, - }; - - span_lint_and_then( - cx, - UNNECESSARY_DEF_PATH, - expr.span, - msg, - |diag| { - diag.span_suggestion(expr.span, "try", sugg, app); - if with_note { - diag.help( - "if this `DefId` came from a constructor expression or pattern then the \ - parent `DefId` should be used instead" - ); - } - }, - ); - } - } - } -} - -fn path_to_matched_type(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> Option<Vec<String>> { - match peel_hir_expr_refs(expr).0.kind { - ExprKind::Path(ref qpath) => match cx.qpath_res(qpath, expr.hir_id) { - Res::Local(hir_id) => { - let parent_id = cx.tcx.hir().get_parent_node(hir_id); - if let Some(Node::Local(Local { init: Some(init), .. })) = cx.tcx.hir().find(parent_id) { - path_to_matched_type(cx, init) - } else { - None - } - }, - Res::Def(DefKind::Static(_), def_id) => read_mir_alloc_def_path( - cx, - cx.tcx.eval_static_initializer(def_id).ok()?.inner(), - cx.tcx.type_of(def_id), - ), - Res::Def(DefKind::Const, def_id) => match cx.tcx.const_eval_poly(def_id).ok()? { - ConstValue::ByRef { alloc, offset } if offset.bytes() == 0 => { - read_mir_alloc_def_path(cx, alloc.inner(), cx.tcx.type_of(def_id)) - }, - _ => None, - }, - _ => None, - }, - ExprKind::Array(exprs) => exprs - .iter() - .map(|expr| { - if let ExprKind::Lit(lit) = &expr.kind { - if let LitKind::Str(sym, _) = lit.node { - return Some((*sym.as_str()).to_owned()); - } - } - - None - }) - .collect(), - _ => None, - } -} - -fn read_mir_alloc_def_path<'tcx>(cx: &LateContext<'tcx>, alloc: &'tcx Allocation, ty: Ty<'_>) -> Option<Vec<String>> { - let (alloc, ty) = if let ty::Ref(_, ty, Mutability::Not) = *ty.kind() { - let &alloc = alloc.provenance().values().next()?; - if let GlobalAlloc::Memory(alloc) = cx.tcx.global_alloc(alloc) { - (alloc.inner(), ty) - } else { - return None; - } - } else { - (alloc, ty) - }; - - if let ty::Array(ty, _) | ty::Slice(ty) = *ty.kind() - && let ty::Ref(_, ty, Mutability::Not) = *ty.kind() - && ty.is_str() - { - alloc - .provenance() - .values() - .map(|&alloc| { - if let GlobalAlloc::Memory(alloc) = cx.tcx.global_alloc(alloc) { - let alloc = alloc.inner(); - str::from_utf8(alloc.inspect_with_uninit_and_ptr_outside_interpreter(0..alloc.len())) - .ok().map(ToOwned::to_owned) - } else { - None - } - }) - .collect() - } else { - None - } -} - -// This is not a complete resolver for paths. It works on all the paths currently used in the paths -// module. That's all it does and all it needs to do. -pub fn check_path(cx: &LateContext<'_>, path: &[&str]) -> bool { - if def_path_res(cx, path, None) != Res::Err { - return true; - } - - // Some implementations can't be found by `path_to_res`, particularly inherent - // implementations of native types. Check lang items. - let path_syms: Vec<_> = path.iter().map(|p| Symbol::intern(p)).collect(); - let lang_items = cx.tcx.lang_items(); - // This list isn't complete, but good enough for our current list of paths. - let incoherent_impls = [ - SimplifiedTypeGen::FloatSimplifiedType(FloatTy::F32), - SimplifiedTypeGen::FloatSimplifiedType(FloatTy::F64), - SimplifiedTypeGen::SliceSimplifiedType, - SimplifiedTypeGen::StrSimplifiedType, - ] - .iter() - .flat_map(|&ty| cx.tcx.incoherent_impls(ty)); - for item_def_id in lang_items.items().iter().flatten().chain(incoherent_impls) { - let lang_item_path = cx.get_def_path(*item_def_id); - if path_syms.starts_with(&lang_item_path) { - if let [item] = &path_syms[lang_item_path.len()..] { - if matches!( - cx.tcx.def_kind(*item_def_id), - DefKind::Mod | DefKind::Enum | DefKind::Trait - ) { - for child in cx.tcx.module_children(*item_def_id) { - if child.ident.name == *item { - return true; - } - } - } else { - for child in cx.tcx.associated_item_def_ids(*item_def_id) { - if cx.tcx.item_name(*child) == *item { - return true; - } - } - } - } - } - } - - false -} - -declare_lint_pass!(InvalidPaths => [INVALID_PATHS]); - -impl<'tcx> LateLintPass<'tcx> for InvalidPaths { - fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { - let local_def_id = &cx.tcx.parent_module(item.hir_id()); - let mod_name = &cx.tcx.item_name(local_def_id.to_def_id()); - if_chain! { - if mod_name.as_str() == "paths"; - if let hir::ItemKind::Const(ty, body_id) = item.kind; - let ty = hir_ty_to_ty(cx.tcx, ty); - if let ty::Array(el_ty, _) = &ty.kind(); - if let ty::Ref(_, el_ty, _) = &el_ty.kind(); - if el_ty.is_str(); - let body = cx.tcx.hir().body(body_id); - let typeck_results = cx.tcx.typeck_body(body_id); - if let Some(Constant::Vec(path)) = constant_simple(cx, typeck_results, body.value); - let path: Vec<&str> = path.iter().map(|x| { - if let Constant::Str(s) = x { - s.as_str() - } else { - // We checked the type of the constant above - unreachable!() - } - }).collect(); - if !check_path(cx, &path[..]); - then { - span_lint(cx, INVALID_PATHS, item.span, "invalid path"); - } - } - } -} - -#[derive(Default)] -pub struct InterningDefinedSymbol { - // Maps the symbol value to the constant DefId. - symbol_map: FxHashMap<u32, DefId>, -} - -impl_lint_pass!(InterningDefinedSymbol => [INTERNING_DEFINED_SYMBOL, UNNECESSARY_SYMBOL_STR]); - -impl<'tcx> LateLintPass<'tcx> for InterningDefinedSymbol { - fn check_crate(&mut self, cx: &LateContext<'_>) { - if !self.symbol_map.is_empty() { - return; - } - - for &module in &[&paths::KW_MODULE, &paths::SYM_MODULE] { - if let Some(def_id) = def_path_res(cx, module, None).opt_def_id() { - for item in cx.tcx.module_children(def_id).iter() { - if_chain! { - if let Res::Def(DefKind::Const, item_def_id) = item.res; - let ty = cx.tcx.type_of(item_def_id); - if match_type(cx, ty, &paths::SYMBOL); - if let Ok(ConstValue::Scalar(value)) = cx.tcx.const_eval_poly(item_def_id); - if let Ok(value) = value.to_u32(); - then { - self.symbol_map.insert(value, item_def_id); - } - } - } - } - } - } - - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if_chain! { - if let ExprKind::Call(func, [arg]) = &expr.kind; - if let ty::FnDef(def_id, _) = cx.typeck_results().expr_ty(func).kind(); - if match_def_path(cx, *def_id, &paths::SYMBOL_INTERN); - if let Some(Constant::Str(arg)) = constant_simple(cx, cx.typeck_results(), arg); - let value = Symbol::intern(&arg).as_u32(); - if let Some(&def_id) = self.symbol_map.get(&value); - then { - span_lint_and_sugg( - cx, - INTERNING_DEFINED_SYMBOL, - is_expn_of(expr.span, "sym").unwrap_or(expr.span), - "interning a defined symbol", - "try", - cx.tcx.def_path_str(def_id), - Applicability::MachineApplicable, - ); - } - } - if let ExprKind::Binary(op, left, right) = expr.kind { - if matches!(op.node, BinOpKind::Eq | BinOpKind::Ne) { - let data = [ - (left, self.symbol_str_expr(left, cx)), - (right, self.symbol_str_expr(right, cx)), - ]; - match data { - // both operands are a symbol string - [(_, Some(left)), (_, Some(right))] => { - span_lint_and_sugg( - cx, - UNNECESSARY_SYMBOL_STR, - expr.span, - "unnecessary `Symbol` to string conversion", - "try", - format!( - "{} {} {}", - left.as_symbol_snippet(cx), - op.node.as_str(), - right.as_symbol_snippet(cx), - ), - Applicability::MachineApplicable, - ); - }, - // one of the operands is a symbol string - [(expr, Some(symbol)), _] | [_, (expr, Some(symbol))] => { - // creating an owned string for comparison - if matches!(symbol, SymbolStrExpr::Expr { is_to_owned: true, .. }) { - span_lint_and_sugg( - cx, - UNNECESSARY_SYMBOL_STR, - expr.span, - "unnecessary string allocation", - "try", - format!("{}.as_str()", symbol.as_symbol_snippet(cx)), - Applicability::MachineApplicable, - ); - } - }, - // nothing found - [(_, None), (_, None)] => {}, - } - } - } - } -} - -impl InterningDefinedSymbol { - fn symbol_str_expr<'tcx>(&self, expr: &'tcx Expr<'tcx>, cx: &LateContext<'tcx>) -> Option<SymbolStrExpr<'tcx>> { - static IDENT_STR_PATHS: &[&[&str]] = &[&paths::IDENT_AS_STR, &paths::TO_STRING_METHOD]; - static SYMBOL_STR_PATHS: &[&[&str]] = &[ - &paths::SYMBOL_AS_STR, - &paths::SYMBOL_TO_IDENT_STRING, - &paths::TO_STRING_METHOD, - ]; - let call = if_chain! { - if let ExprKind::AddrOf(_, _, e) = expr.kind; - if let ExprKind::Unary(UnOp::Deref, e) = e.kind; - then { e } else { expr } - }; - if_chain! { - // is a method call - if let ExprKind::MethodCall(_, item, [], _) = call.kind; - if let Some(did) = cx.typeck_results().type_dependent_def_id(call.hir_id); - let ty = cx.typeck_results().expr_ty(item); - // ...on either an Ident or a Symbol - if let Some(is_ident) = if match_type(cx, ty, &paths::SYMBOL) { - Some(false) - } else if match_type(cx, ty, &paths::IDENT) { - Some(true) - } else { - None - }; - // ...which converts it to a string - let paths = if is_ident { IDENT_STR_PATHS } else { SYMBOL_STR_PATHS }; - if let Some(path) = paths.iter().find(|path| match_def_path(cx, did, path)); - then { - let is_to_owned = path.last().unwrap().ends_with("string"); - return Some(SymbolStrExpr::Expr { - item, - is_ident, - is_to_owned, - }); - } - } - // is a string constant - if let Some(Constant::Str(s)) = constant_simple(cx, cx.typeck_results(), expr) { - let value = Symbol::intern(&s).as_u32(); - // ...which matches a symbol constant - if let Some(&def_id) = self.symbol_map.get(&value) { - return Some(SymbolStrExpr::Const(def_id)); - } - } - None - } -} - -enum SymbolStrExpr<'tcx> { - /// a string constant with a corresponding symbol constant - Const(DefId), - /// a "symbol to string" expression like `symbol.as_str()` - Expr { - /// part that evaluates to `Symbol` or `Ident` - item: &'tcx Expr<'tcx>, - is_ident: bool, - /// whether an owned `String` is created like `to_ident_string()` - is_to_owned: bool, - }, -} - -impl<'tcx> SymbolStrExpr<'tcx> { - /// Returns a snippet that evaluates to a `Symbol` and is const if possible - fn as_symbol_snippet(&self, cx: &LateContext<'_>) -> Cow<'tcx, str> { - match *self { - Self::Const(def_id) => cx.tcx.def_path_str(def_id).into(), - Self::Expr { item, is_ident, .. } => { - let mut snip = snippet(cx, item.span.source_callsite(), ".."); - if is_ident { - // get `Ident.name` - snip.to_mut().push_str(".name"); - } - snip - }, - } - } -} - -declare_lint_pass!(IfChainStyle => [IF_CHAIN_STYLE]); - -impl<'tcx> LateLintPass<'tcx> for IfChainStyle { - fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'_>) { - let (local, after, if_chain_span) = if_chain! { - if let [Stmt { kind: StmtKind::Local(local), .. }, after @ ..] = block.stmts; - if let Some(if_chain_span) = is_expn_of(block.span, "if_chain"); - then { (local, after, if_chain_span) } else { return } - }; - if is_first_if_chain_expr(cx, block.hir_id, if_chain_span) { - span_lint( - cx, - IF_CHAIN_STYLE, - if_chain_local_span(cx, local, if_chain_span), - "`let` expression should be above the `if_chain!`", - ); - } else if local.span.ctxt() == block.span.ctxt() && is_if_chain_then(after, block.expr, if_chain_span) { - span_lint( - cx, - IF_CHAIN_STYLE, - if_chain_local_span(cx, local, if_chain_span), - "`let` expression should be inside `then { .. }`", - ); - } - } - - fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { - let (cond, then, els) = if let Some(higher::IfOrIfLet { cond, r#else, then }) = higher::IfOrIfLet::hir(expr) { - (cond, then, r#else.is_some()) - } else { - return; - }; - let then_block = match then.kind { - ExprKind::Block(block, _) => block, - _ => return, - }; - let if_chain_span = is_expn_of(expr.span, "if_chain"); - if !els { - check_nested_if_chains(cx, expr, then_block, if_chain_span); - } - let if_chain_span = match if_chain_span { - None => return, - Some(span) => span, - }; - // check for `if a && b;` - if_chain! { - if let ExprKind::Binary(op, _, _) = cond.kind; - if op.node == BinOpKind::And; - if cx.sess().source_map().is_multiline(cond.span); - then { - span_lint(cx, IF_CHAIN_STYLE, cond.span, "`if a && b;` should be `if a; if b;`"); - } - } - if is_first_if_chain_expr(cx, expr.hir_id, if_chain_span) - && is_if_chain_then(then_block.stmts, then_block.expr, if_chain_span) - { - span_lint(cx, IF_CHAIN_STYLE, expr.span, "`if_chain!` only has one `if`"); - } - } -} - -fn check_nested_if_chains( - cx: &LateContext<'_>, - if_expr: &Expr<'_>, - then_block: &Block<'_>, - if_chain_span: Option<Span>, -) { - #[rustfmt::skip] - let (head, tail) = match *then_block { - Block { stmts, expr: Some(tail), .. } => (stmts, tail), - Block { - stmts: &[ - ref head @ .., - Stmt { kind: StmtKind::Expr(tail) | StmtKind::Semi(tail), .. } - ], - .. - } => (head, tail), - _ => return, - }; - if_chain! { - if let Some(higher::IfOrIfLet { r#else: None, .. }) = higher::IfOrIfLet::hir(tail); - let sm = cx.sess().source_map(); - if head - .iter() - .all(|stmt| matches!(stmt.kind, StmtKind::Local(..)) && !sm.is_multiline(stmt.span)); - if if_chain_span.is_some() || !is_else_clause(cx.tcx, if_expr); - then {} else { return } - } - let (span, msg) = match (if_chain_span, is_expn_of(tail.span, "if_chain")) { - (None, Some(_)) => (if_expr.span, "this `if` can be part of the inner `if_chain!`"), - (Some(_), None) => (tail.span, "this `if` can be part of the outer `if_chain!`"), - (Some(a), Some(b)) if a != b => (b, "this `if_chain!` can be merged with the outer `if_chain!`"), - _ => return, - }; - span_lint_and_then(cx, IF_CHAIN_STYLE, span, msg, |diag| { - let (span, msg) = match head { - [] => return, - [stmt] => (stmt.span, "this `let` statement can also be in the `if_chain!`"), - [a, .., b] => ( - a.span.to(b.span), - "these `let` statements can also be in the `if_chain!`", - ), - }; - diag.span_help(span, msg); - }); -} - -fn is_first_if_chain_expr(cx: &LateContext<'_>, hir_id: HirId, if_chain_span: Span) -> bool { - cx.tcx - .hir() - .parent_iter(hir_id) - .find(|(_, node)| { - #[rustfmt::skip] - !matches!(node, Node::Expr(Expr { kind: ExprKind::Block(..), .. }) | Node::Stmt(_)) - }) - .map_or(false, |(id, _)| { - is_expn_of(cx.tcx.hir().span(id), "if_chain") != Some(if_chain_span) - }) -} - -/// Checks a trailing slice of statements and expression of a `Block` to see if they are part -/// of the `then {..}` portion of an `if_chain!` -fn is_if_chain_then(stmts: &[Stmt<'_>], expr: Option<&Expr<'_>>, if_chain_span: Span) -> bool { - let span = if let [stmt, ..] = stmts { - stmt.span - } else if let Some(expr) = expr { - expr.span - } else { - // empty `then {}` - return true; - }; - is_expn_of(span, "if_chain").map_or(true, |span| span != if_chain_span) -} - -/// Creates a `Span` for `let x = ..;` in an `if_chain!` call. -fn if_chain_local_span(cx: &LateContext<'_>, local: &Local<'_>, if_chain_span: Span) -> Span { - let mut span = local.pat.span; - if let Some(init) = local.init { - span = span.to(init.span); - } - span.adjust(if_chain_span.ctxt().outer_expn()); - let sm = cx.sess().source_map(); - let span = sm.span_extend_to_prev_str(span, "let", false, true).unwrap_or(span); - let span = sm.span_extend_to_next_char(span, ';', false); - Span::new( - span.lo() - BytePos(3), - span.hi() + BytePos(1), - span.ctxt(), - span.parent(), - ) -} - -declare_lint_pass!(MsrvAttrImpl => [MISSING_MSRV_ATTR_IMPL]); - -impl LateLintPass<'_> for MsrvAttrImpl { - fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) { - if_chain! { - if let hir::ItemKind::Impl(hir::Impl { - of_trait: Some(lint_pass_trait_ref), - self_ty, - items, - .. - }) = &item.kind; - if let Some(lint_pass_trait_def_id) = lint_pass_trait_ref.trait_def_id(); - let is_late_pass = match_def_path(cx, lint_pass_trait_def_id, &paths::LATE_LINT_PASS); - if is_late_pass || match_def_path(cx, lint_pass_trait_def_id, &paths::EARLY_LINT_PASS); - let self_ty = hir_ty_to_ty(cx.tcx, self_ty); - if let ty::Adt(self_ty_def, _) = self_ty.kind(); - if self_ty_def.is_struct(); - if self_ty_def.all_fields().any(|f| { - cx.tcx - .type_of(f.did) - .walk() - .filter(|t| matches!(t.unpack(), GenericArgKind::Type(_))) - .any(|t| match_type(cx, t.expect_ty(), &paths::RUSTC_VERSION)) - }); - if !items.iter().any(|item| item.ident.name == sym!(enter_lint_attrs)); - then { - let context = if is_late_pass { "LateContext" } else { "EarlyContext" }; - let lint_pass = if is_late_pass { "LateLintPass" } else { "EarlyLintPass" }; - let span = cx.sess().source_map().span_through_char(item.span, '{'); - span_lint_and_sugg( - cx, - MISSING_MSRV_ATTR_IMPL, - span, - &format!("`extract_msrv_attr!` macro missing from `{lint_pass}` implementation"), - &format!("add `extract_msrv_attr!({context})` to the `{lint_pass}` implementation"), - format!("{}\n extract_msrv_attr!({context});", snippet(cx, span, "..")), - Applicability::MachineApplicable, - ); - } - } - } -} +pub mod msrv_attr_impl; +pub mod outer_expn_data_pass; +pub mod produce_ice; +pub mod unnecessary_def_path; diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/clippy_lints_internal.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/clippy_lints_internal.rs new file mode 100644 index 00000000000..da9514dd15e --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/clippy_lints_internal.rs @@ -0,0 +1,49 @@ +use clippy_utils::diagnostics::span_lint; +use rustc_ast::ast::{Crate, ItemKind, ModKind}; +use rustc_lint::{EarlyContext, EarlyLintPass}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; + +declare_clippy_lint! { + /// ### What it does + /// Checks for various things we like to keep tidy in clippy. + /// + /// ### Why is this bad? + /// We like to pretend we're an example of tidy code. + /// + /// ### Example + /// Wrong ordering of the util::paths constants. + pub CLIPPY_LINTS_INTERNAL, + internal, + "various things that will negatively affect your clippy experience" +} + +declare_lint_pass!(ClippyLintsInternal => [CLIPPY_LINTS_INTERNAL]); + +impl EarlyLintPass for ClippyLintsInternal { + fn check_crate(&mut self, cx: &EarlyContext<'_>, krate: &Crate) { + if let Some(utils) = krate.items.iter().find(|item| item.ident.name.as_str() == "utils") { + if let ItemKind::Mod(_, ModKind::Loaded(ref items, ..)) = utils.kind { + if let Some(paths) = items.iter().find(|item| item.ident.name.as_str() == "paths") { + if let ItemKind::Mod(_, ModKind::Loaded(ref items, ..)) = paths.kind { + let mut last_name: Option<&str> = None; + for item in items { + let name = item.ident.as_str(); + if let Some(last_name) = last_name { + if *last_name > *name { + span_lint( + cx, + CLIPPY_LINTS_INTERNAL, + item.span, + "this constant should be before the previous constant due to lexical \ + ordering", + ); + } + } + last_name = Some(name); + } + } + } + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/collapsible_calls.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/collapsible_calls.rs new file mode 100644 index 00000000000..d7666b77f6e --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/collapsible_calls.rs @@ -0,0 +1,245 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::source::snippet; +use clippy_utils::{is_expr_path_def_path, is_lint_allowed, peel_blocks_with_stmt, SpanlessEq}; +use if_chain::if_chain; +use rustc_errors::Applicability; +use rustc_hir as hir; +use rustc_hir::{Closure, Expr, ExprKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; + +use std::borrow::{Borrow, Cow}; + +declare_clippy_lint! { + /// ### What it does + /// Lints `span_lint_and_then` function calls, where the + /// closure argument has only one statement and that statement is a method + /// call to `span_suggestion`, `span_help`, `span_note` (using the same + /// span), `help` or `note`. + /// + /// These usages of `span_lint_and_then` should be replaced with one of the + /// wrapper functions `span_lint_and_sugg`, span_lint_and_help`, or + /// `span_lint_and_note`. + /// + /// ### Why is this bad? + /// Using the wrapper `span_lint_and_*` functions, is more + /// convenient, readable and less error prone. + /// + /// ### Example + /// ```rust,ignore + /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { + /// diag.span_suggestion( + /// expr.span, + /// help_msg, + /// sugg.to_string(), + /// Applicability::MachineApplicable, + /// ); + /// }); + /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { + /// diag.span_help(expr.span, help_msg); + /// }); + /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { + /// diag.help(help_msg); + /// }); + /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { + /// diag.span_note(expr.span, note_msg); + /// }); + /// span_lint_and_then(cx, TEST_LINT, expr.span, lint_msg, |diag| { + /// diag.note(note_msg); + /// }); + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// span_lint_and_sugg( + /// cx, + /// TEST_LINT, + /// expr.span, + /// lint_msg, + /// help_msg, + /// sugg.to_string(), + /// Applicability::MachineApplicable, + /// ); + /// span_lint_and_help(cx, TEST_LINT, expr.span, lint_msg, Some(expr.span), help_msg); + /// span_lint_and_help(cx, TEST_LINT, expr.span, lint_msg, None, help_msg); + /// span_lint_and_note(cx, TEST_LINT, expr.span, lint_msg, Some(expr.span), note_msg); + /// span_lint_and_note(cx, TEST_LINT, expr.span, lint_msg, None, note_msg); + /// ``` + pub COLLAPSIBLE_SPAN_LINT_CALLS, + internal, + "found collapsible `span_lint_and_then` calls" +} + +declare_lint_pass!(CollapsibleCalls => [COLLAPSIBLE_SPAN_LINT_CALLS]); + +impl<'tcx> LateLintPass<'tcx> for CollapsibleCalls { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { + if is_lint_allowed(cx, COLLAPSIBLE_SPAN_LINT_CALLS, expr.hir_id) { + return; + } + + if_chain! { + if let ExprKind::Call(func, and_then_args) = expr.kind; + if is_expr_path_def_path(cx, func, &["clippy_utils", "diagnostics", "span_lint_and_then"]); + if and_then_args.len() == 5; + if let ExprKind::Closure(&Closure { body, .. }) = &and_then_args[4].kind; + let body = cx.tcx.hir().body(body); + let only_expr = peel_blocks_with_stmt(body.value); + if let ExprKind::MethodCall(ps, recv, span_call_args, _) = &only_expr.kind; + if let ExprKind::Path(..) = recv.kind; + then { + let and_then_snippets = get_and_then_snippets(cx, and_then_args); + let mut sle = SpanlessEq::new(cx).deny_side_effects(); + match ps.ident.as_str() { + "span_suggestion" if sle.eq_expr(&and_then_args[2], &span_call_args[0]) => { + suggest_suggestion( + cx, + expr, + &and_then_snippets, + &span_suggestion_snippets(cx, span_call_args), + ); + }, + "span_help" if sle.eq_expr(&and_then_args[2], &span_call_args[0]) => { + let help_snippet = snippet(cx, span_call_args[1].span, r#""...""#); + suggest_help(cx, expr, &and_then_snippets, help_snippet.borrow(), true); + }, + "span_note" if sle.eq_expr(&and_then_args[2], &span_call_args[0]) => { + let note_snippet = snippet(cx, span_call_args[1].span, r#""...""#); + suggest_note(cx, expr, &and_then_snippets, note_snippet.borrow(), true); + }, + "help" => { + let help_snippet = snippet(cx, span_call_args[0].span, r#""...""#); + suggest_help(cx, expr, &and_then_snippets, help_snippet.borrow(), false); + }, + "note" => { + let note_snippet = snippet(cx, span_call_args[0].span, r#""...""#); + suggest_note(cx, expr, &and_then_snippets, note_snippet.borrow(), false); + }, + _ => (), + } + } + } + } +} + +struct AndThenSnippets<'a> { + cx: Cow<'a, str>, + lint: Cow<'a, str>, + span: Cow<'a, str>, + msg: Cow<'a, str>, +} + +fn get_and_then_snippets<'a, 'hir>(cx: &LateContext<'_>, and_then_snippets: &'hir [Expr<'hir>]) -> AndThenSnippets<'a> { + let cx_snippet = snippet(cx, and_then_snippets[0].span, "cx"); + let lint_snippet = snippet(cx, and_then_snippets[1].span, ".."); + let span_snippet = snippet(cx, and_then_snippets[2].span, "span"); + let msg_snippet = snippet(cx, and_then_snippets[3].span, r#""...""#); + + AndThenSnippets { + cx: cx_snippet, + lint: lint_snippet, + span: span_snippet, + msg: msg_snippet, + } +} + +struct SpanSuggestionSnippets<'a> { + help: Cow<'a, str>, + sugg: Cow<'a, str>, + applicability: Cow<'a, str>, +} + +fn span_suggestion_snippets<'a, 'hir>( + cx: &LateContext<'_>, + span_call_args: &'hir [Expr<'hir>], +) -> SpanSuggestionSnippets<'a> { + let help_snippet = snippet(cx, span_call_args[1].span, r#""...""#); + let sugg_snippet = snippet(cx, span_call_args[2].span, ".."); + let applicability_snippet = snippet(cx, span_call_args[3].span, "Applicability::MachineApplicable"); + + SpanSuggestionSnippets { + help: help_snippet, + sugg: sugg_snippet, + applicability: applicability_snippet, + } +} + +fn suggest_suggestion( + cx: &LateContext<'_>, + expr: &Expr<'_>, + and_then_snippets: &AndThenSnippets<'_>, + span_suggestion_snippets: &SpanSuggestionSnippets<'_>, +) { + span_lint_and_sugg( + cx, + COLLAPSIBLE_SPAN_LINT_CALLS, + expr.span, + "this call is collapsible", + "collapse into", + format!( + "span_lint_and_sugg({}, {}, {}, {}, {}, {}, {})", + and_then_snippets.cx, + and_then_snippets.lint, + and_then_snippets.span, + and_then_snippets.msg, + span_suggestion_snippets.help, + span_suggestion_snippets.sugg, + span_suggestion_snippets.applicability + ), + Applicability::MachineApplicable, + ); +} + +fn suggest_help( + cx: &LateContext<'_>, + expr: &Expr<'_>, + and_then_snippets: &AndThenSnippets<'_>, + help: &str, + with_span: bool, +) { + let option_span = if with_span { + format!("Some({})", and_then_snippets.span) + } else { + "None".to_string() + }; + + span_lint_and_sugg( + cx, + COLLAPSIBLE_SPAN_LINT_CALLS, + expr.span, + "this call is collapsible", + "collapse into", + format!( + "span_lint_and_help({}, {}, {}, {}, {}, {help})", + and_then_snippets.cx, and_then_snippets.lint, and_then_snippets.span, and_then_snippets.msg, &option_span, + ), + Applicability::MachineApplicable, + ); +} + +fn suggest_note( + cx: &LateContext<'_>, + expr: &Expr<'_>, + and_then_snippets: &AndThenSnippets<'_>, + note: &str, + with_span: bool, +) { + let note_span = if with_span { + format!("Some({})", and_then_snippets.span) + } else { + "None".to_string() + }; + + span_lint_and_sugg( + cx, + COLLAPSIBLE_SPAN_LINT_CALLS, + expr.span, + "this call is collapsible", + "collapse into", + format!( + "span_lint_and_note({}, {}, {}, {}, {note_span}, {note})", + and_then_snippets.cx, and_then_snippets.lint, and_then_snippets.span, and_then_snippets.msg, + ), + Applicability::MachineApplicable, + ); +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/compiler_lint_functions.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/compiler_lint_functions.rs new file mode 100644 index 00000000000..cacd05262a2 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/compiler_lint_functions.rs @@ -0,0 +1,77 @@ +use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::ty::match_type; +use clippy_utils::{is_lint_allowed, paths}; +use if_chain::if_chain; +use rustc_data_structures::fx::FxHashMap; +use rustc_hir::{Expr, ExprKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::{declare_tool_lint, impl_lint_pass}; + +declare_clippy_lint! { + /// ### What it does + /// Checks for calls to `cx.span_lint*` and suggests to use the `utils::*` + /// variant of the function. + /// + /// ### Why is this bad? + /// The `utils::*` variants also add a link to the Clippy documentation to the + /// warning/error messages. + /// + /// ### Example + /// ```rust,ignore + /// cx.span_lint(LINT_NAME, "message"); + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// utils::span_lint(cx, LINT_NAME, "message"); + /// ``` + pub COMPILER_LINT_FUNCTIONS, + internal, + "usage of the lint functions of the compiler instead of the utils::* variant" +} + +impl_lint_pass!(CompilerLintFunctions => [COMPILER_LINT_FUNCTIONS]); + +#[derive(Clone, Default)] +pub struct CompilerLintFunctions { + map: FxHashMap<&'static str, &'static str>, +} + +impl CompilerLintFunctions { + #[must_use] + pub fn new() -> Self { + let mut map = FxHashMap::default(); + map.insert("span_lint", "utils::span_lint"); + map.insert("struct_span_lint", "utils::span_lint"); + map.insert("lint", "utils::span_lint"); + map.insert("span_lint_note", "utils::span_lint_and_note"); + map.insert("span_lint_help", "utils::span_lint_and_help"); + Self { map } + } +} + +impl<'tcx> LateLintPass<'tcx> for CompilerLintFunctions { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { + if is_lint_allowed(cx, COMPILER_LINT_FUNCTIONS, expr.hir_id) { + return; + } + + if_chain! { + if let ExprKind::MethodCall(path, self_arg, _, _) = &expr.kind; + let fn_name = path.ident; + if let Some(sugg) = self.map.get(fn_name.as_str()); + let ty = cx.typeck_results().expr_ty(self_arg).peel_refs(); + if match_type(cx, ty, &paths::EARLY_CONTEXT) || match_type(cx, ty, &paths::LATE_CONTEXT); + then { + span_lint_and_help( + cx, + COMPILER_LINT_FUNCTIONS, + path.ident.span, + "usage of a compiler lint function", + None, + &format!("please use the Clippy variant of this function: `{sugg}`"), + ); + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/if_chain_style.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/if_chain_style.rs new file mode 100644 index 00000000000..883a5c08e5c --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/if_chain_style.rs @@ -0,0 +1,164 @@ +use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; +use clippy_utils::{higher, is_else_clause, is_expn_of}; +use if_chain::if_chain; +use rustc_hir as hir; +use rustc_hir::{BinOpKind, Block, Expr, ExprKind, HirId, Local, Node, Stmt, StmtKind}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::{BytePos, Span}; + +declare_clippy_lint! { + /// Finds unidiomatic usage of `if_chain!` + pub IF_CHAIN_STYLE, + internal, + "non-idiomatic `if_chain!` usage" +} + +declare_lint_pass!(IfChainStyle => [IF_CHAIN_STYLE]); + +impl<'tcx> LateLintPass<'tcx> for IfChainStyle { + fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'_>) { + let (local, after, if_chain_span) = if_chain! { + if let [Stmt { kind: StmtKind::Local(local), .. }, after @ ..] = block.stmts; + if let Some(if_chain_span) = is_expn_of(block.span, "if_chain"); + then { (local, after, if_chain_span) } else { return } + }; + if is_first_if_chain_expr(cx, block.hir_id, if_chain_span) { + span_lint( + cx, + IF_CHAIN_STYLE, + if_chain_local_span(cx, local, if_chain_span), + "`let` expression should be above the `if_chain!`", + ); + } else if local.span.ctxt() == block.span.ctxt() && is_if_chain_then(after, block.expr, if_chain_span) { + span_lint( + cx, + IF_CHAIN_STYLE, + if_chain_local_span(cx, local, if_chain_span), + "`let` expression should be inside `then { .. }`", + ); + } + } + + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { + let (cond, then, els) = if let Some(higher::IfOrIfLet { cond, r#else, then }) = higher::IfOrIfLet::hir(expr) { + (cond, then, r#else.is_some()) + } else { + return; + }; + let ExprKind::Block(then_block, _) = then.kind else { return }; + let if_chain_span = is_expn_of(expr.span, "if_chain"); + if !els { + check_nested_if_chains(cx, expr, then_block, if_chain_span); + } + let Some(if_chain_span) = if_chain_span else { return }; + // check for `if a && b;` + if_chain! { + if let ExprKind::Binary(op, _, _) = cond.kind; + if op.node == BinOpKind::And; + if cx.sess().source_map().is_multiline(cond.span); + then { + span_lint(cx, IF_CHAIN_STYLE, cond.span, "`if a && b;` should be `if a; if b;`"); + } + } + if is_first_if_chain_expr(cx, expr.hir_id, if_chain_span) + && is_if_chain_then(then_block.stmts, then_block.expr, if_chain_span) + { + span_lint(cx, IF_CHAIN_STYLE, expr.span, "`if_chain!` only has one `if`"); + } + } +} + +fn check_nested_if_chains( + cx: &LateContext<'_>, + if_expr: &Expr<'_>, + then_block: &Block<'_>, + if_chain_span: Option<Span>, +) { + #[rustfmt::skip] + let (head, tail) = match *then_block { + Block { stmts, expr: Some(tail), .. } => (stmts, tail), + Block { + stmts: &[ + ref head @ .., + Stmt { kind: StmtKind::Expr(tail) | StmtKind::Semi(tail), .. } + ], + .. + } => (head, tail), + _ => return, + }; + if_chain! { + if let Some(higher::IfOrIfLet { r#else: None, .. }) = higher::IfOrIfLet::hir(tail); + let sm = cx.sess().source_map(); + if head + .iter() + .all(|stmt| matches!(stmt.kind, StmtKind::Local(..)) && !sm.is_multiline(stmt.span)); + if if_chain_span.is_some() || !is_else_clause(cx.tcx, if_expr); + then { + } else { + return; + } + } + let (span, msg) = match (if_chain_span, is_expn_of(tail.span, "if_chain")) { + (None, Some(_)) => (if_expr.span, "this `if` can be part of the inner `if_chain!`"), + (Some(_), None) => (tail.span, "this `if` can be part of the outer `if_chain!`"), + (Some(a), Some(b)) if a != b => (b, "this `if_chain!` can be merged with the outer `if_chain!`"), + _ => return, + }; + span_lint_and_then(cx, IF_CHAIN_STYLE, span, msg, |diag| { + let (span, msg) = match head { + [] => return, + [stmt] => (stmt.span, "this `let` statement can also be in the `if_chain!`"), + [a, .., b] => ( + a.span.to(b.span), + "these `let` statements can also be in the `if_chain!`", + ), + }; + diag.span_help(span, msg); + }); +} + +fn is_first_if_chain_expr(cx: &LateContext<'_>, hir_id: HirId, if_chain_span: Span) -> bool { + cx.tcx + .hir() + .parent_iter(hir_id) + .find(|(_, node)| { + #[rustfmt::skip] + !matches!(node, Node::Expr(Expr { kind: ExprKind::Block(..), .. }) | Node::Stmt(_)) + }) + .map_or(false, |(id, _)| { + is_expn_of(cx.tcx.hir().span(id), "if_chain") != Some(if_chain_span) + }) +} + +/// Checks a trailing slice of statements and expression of a `Block` to see if they are part +/// of the `then {..}` portion of an `if_chain!` +fn is_if_chain_then(stmts: &[Stmt<'_>], expr: Option<&Expr<'_>>, if_chain_span: Span) -> bool { + let span = if let [stmt, ..] = stmts { + stmt.span + } else if let Some(expr) = expr { + expr.span + } else { + // empty `then {}` + return true; + }; + is_expn_of(span, "if_chain").map_or(true, |span| span != if_chain_span) +} + +/// Creates a `Span` for `let x = ..;` in an `if_chain!` call. +fn if_chain_local_span(cx: &LateContext<'_>, local: &Local<'_>, if_chain_span: Span) -> Span { + let mut span = local.pat.span; + if let Some(init) = local.init { + span = span.to(init.span); + } + span.adjust(if_chain_span.ctxt().outer_expn()); + let sm = cx.sess().source_map(); + let span = sm.span_extend_to_prev_str(span, "let", false, true).unwrap_or(span); + let span = sm.span_extend_to_next_char(span, ';', false); + Span::new( + span.lo() - BytePos(3), + span.hi() + BytePos(1), + span.ctxt(), + span.parent(), + ) +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs new file mode 100644 index 00000000000..096b601572b --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/interning_defined_symbol.rs @@ -0,0 +1,239 @@ +use clippy_utils::consts::{constant_simple, Constant}; +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::source::snippet; +use clippy_utils::ty::match_type; +use clippy_utils::{def_path_res, is_expn_of, match_def_path, paths}; +use if_chain::if_chain; +use rustc_data_structures::fx::FxHashMap; +use rustc_errors::Applicability; +use rustc_hir::def::{DefKind, Res}; +use rustc_hir::def_id::DefId; +use rustc_hir::{BinOpKind, Expr, ExprKind, UnOp}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::mir::interpret::ConstValue; +use rustc_middle::ty::{self}; +use rustc_session::{declare_tool_lint, impl_lint_pass}; +use rustc_span::symbol::Symbol; + +use std::borrow::Cow; + +declare_clippy_lint! { + /// ### What it does + /// Checks for interning symbols that have already been pre-interned and defined as constants. + /// + /// ### Why is this bad? + /// It's faster and easier to use the symbol constant. + /// + /// ### Example + /// ```rust,ignore + /// let _ = sym!(f32); + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// let _ = sym::f32; + /// ``` + pub INTERNING_DEFINED_SYMBOL, + internal, + "interning a symbol that is pre-interned and defined as a constant" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for unnecessary conversion from Symbol to a string. + /// + /// ### Why is this bad? + /// It's faster use symbols directly instead of strings. + /// + /// ### Example + /// ```rust,ignore + /// symbol.as_str() == "clippy"; + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// symbol == sym::clippy; + /// ``` + pub UNNECESSARY_SYMBOL_STR, + internal, + "unnecessary conversion between Symbol and string" +} + +#[derive(Default)] +pub struct InterningDefinedSymbol { + // Maps the symbol value to the constant DefId. + symbol_map: FxHashMap<u32, DefId>, +} + +impl_lint_pass!(InterningDefinedSymbol => [INTERNING_DEFINED_SYMBOL, UNNECESSARY_SYMBOL_STR]); + +impl<'tcx> LateLintPass<'tcx> for InterningDefinedSymbol { + fn check_crate(&mut self, cx: &LateContext<'_>) { + if !self.symbol_map.is_empty() { + return; + } + + for &module in &[&paths::KW_MODULE, &paths::SYM_MODULE] { + if let Some(def_id) = def_path_res(cx, module, None).opt_def_id() { + for item in cx.tcx.module_children(def_id).iter() { + if_chain! { + if let Res::Def(DefKind::Const, item_def_id) = item.res; + let ty = cx.tcx.type_of(item_def_id); + if match_type(cx, ty, &paths::SYMBOL); + if let Ok(ConstValue::Scalar(value)) = cx.tcx.const_eval_poly(item_def_id); + if let Ok(value) = value.to_u32(); + then { + self.symbol_map.insert(value, item_def_id); + } + } + } + } + } + } + + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { + if_chain! { + if let ExprKind::Call(func, [arg]) = &expr.kind; + if let ty::FnDef(def_id, _) = cx.typeck_results().expr_ty(func).kind(); + if match_def_path(cx, *def_id, &paths::SYMBOL_INTERN); + if let Some(Constant::Str(arg)) = constant_simple(cx, cx.typeck_results(), arg); + let value = Symbol::intern(&arg).as_u32(); + if let Some(&def_id) = self.symbol_map.get(&value); + then { + span_lint_and_sugg( + cx, + INTERNING_DEFINED_SYMBOL, + is_expn_of(expr.span, "sym").unwrap_or(expr.span), + "interning a defined symbol", + "try", + cx.tcx.def_path_str(def_id), + Applicability::MachineApplicable, + ); + } + } + if let ExprKind::Binary(op, left, right) = expr.kind { + if matches!(op.node, BinOpKind::Eq | BinOpKind::Ne) { + let data = [ + (left, self.symbol_str_expr(left, cx)), + (right, self.symbol_str_expr(right, cx)), + ]; + match data { + // both operands are a symbol string + [(_, Some(left)), (_, Some(right))] => { + span_lint_and_sugg( + cx, + UNNECESSARY_SYMBOL_STR, + expr.span, + "unnecessary `Symbol` to string conversion", + "try", + format!( + "{} {} {}", + left.as_symbol_snippet(cx), + op.node.as_str(), + right.as_symbol_snippet(cx), + ), + Applicability::MachineApplicable, + ); + }, + // one of the operands is a symbol string + [(expr, Some(symbol)), _] | [_, (expr, Some(symbol))] => { + // creating an owned string for comparison + if matches!(symbol, SymbolStrExpr::Expr { is_to_owned: true, .. }) { + span_lint_and_sugg( + cx, + UNNECESSARY_SYMBOL_STR, + expr.span, + "unnecessary string allocation", + "try", + format!("{}.as_str()", symbol.as_symbol_snippet(cx)), + Applicability::MachineApplicable, + ); + } + }, + // nothing found + [(_, None), (_, None)] => {}, + } + } + } + } +} + +impl InterningDefinedSymbol { + fn symbol_str_expr<'tcx>(&self, expr: &'tcx Expr<'tcx>, cx: &LateContext<'tcx>) -> Option<SymbolStrExpr<'tcx>> { + static IDENT_STR_PATHS: &[&[&str]] = &[&paths::IDENT_AS_STR, &paths::TO_STRING_METHOD]; + static SYMBOL_STR_PATHS: &[&[&str]] = &[ + &paths::SYMBOL_AS_STR, + &paths::SYMBOL_TO_IDENT_STRING, + &paths::TO_STRING_METHOD, + ]; + let call = if_chain! { + if let ExprKind::AddrOf(_, _, e) = expr.kind; + if let ExprKind::Unary(UnOp::Deref, e) = e.kind; + then { e } else { expr } + }; + if_chain! { + // is a method call + if let ExprKind::MethodCall(_, item, [], _) = call.kind; + if let Some(did) = cx.typeck_results().type_dependent_def_id(call.hir_id); + let ty = cx.typeck_results().expr_ty(item); + // ...on either an Ident or a Symbol + if let Some(is_ident) = if match_type(cx, ty, &paths::SYMBOL) { + Some(false) + } else if match_type(cx, ty, &paths::IDENT) { + Some(true) + } else { + None + }; + // ...which converts it to a string + let paths = if is_ident { IDENT_STR_PATHS } else { SYMBOL_STR_PATHS }; + if let Some(path) = paths.iter().find(|path| match_def_path(cx, did, path)); + then { + let is_to_owned = path.last().unwrap().ends_with("string"); + return Some(SymbolStrExpr::Expr { + item, + is_ident, + is_to_owned, + }); + } + } + // is a string constant + if let Some(Constant::Str(s)) = constant_simple(cx, cx.typeck_results(), expr) { + let value = Symbol::intern(&s).as_u32(); + // ...which matches a symbol constant + if let Some(&def_id) = self.symbol_map.get(&value) { + return Some(SymbolStrExpr::Const(def_id)); + } + } + None + } +} + +enum SymbolStrExpr<'tcx> { + /// a string constant with a corresponding symbol constant + Const(DefId), + /// a "symbol to string" expression like `symbol.as_str()` + Expr { + /// part that evaluates to `Symbol` or `Ident` + item: &'tcx Expr<'tcx>, + is_ident: bool, + /// whether an owned `String` is created like `to_ident_string()` + is_to_owned: bool, + }, +} + +impl<'tcx> SymbolStrExpr<'tcx> { + /// Returns a snippet that evaluates to a `Symbol` and is const if possible + fn as_symbol_snippet(&self, cx: &LateContext<'_>) -> Cow<'tcx, str> { + match *self { + Self::Const(def_id) => cx.tcx.def_path_str(def_id).into(), + Self::Expr { item, is_ident, .. } => { + let mut snip = snippet(cx, item.span.source_callsite(), ".."); + if is_ident { + // get `Ident.name` + snip.to_mut().push_str(".name"); + } + snip + }, + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/invalid_paths.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/invalid_paths.rs new file mode 100644 index 00000000000..25532dd4e26 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/invalid_paths.rs @@ -0,0 +1,108 @@ +use clippy_utils::consts::{constant_simple, Constant}; +use clippy_utils::def_path_res; +use clippy_utils::diagnostics::span_lint; +use if_chain::if_chain; +use rustc_hir as hir; +use rustc_hir::def::{DefKind, Res}; +use rustc_hir::Item; +use rustc_hir_analysis::hir_ty_to_ty; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::ty::{self, fast_reject::SimplifiedTypeGen, FloatTy}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::symbol::Symbol; + +declare_clippy_lint! { + /// ### What it does + /// Checks the paths module for invalid paths. + /// + /// ### Why is this bad? + /// It indicates a bug in the code. + /// + /// ### Example + /// None. + pub INVALID_PATHS, + internal, + "invalid path" +} + +declare_lint_pass!(InvalidPaths => [INVALID_PATHS]); + +impl<'tcx> LateLintPass<'tcx> for InvalidPaths { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { + let local_def_id = &cx.tcx.parent_module(item.hir_id()); + let mod_name = &cx.tcx.item_name(local_def_id.to_def_id()); + if_chain! { + if mod_name.as_str() == "paths"; + if let hir::ItemKind::Const(ty, body_id) = item.kind; + let ty = hir_ty_to_ty(cx.tcx, ty); + if let ty::Array(el_ty, _) = &ty.kind(); + if let ty::Ref(_, el_ty, _) = &el_ty.kind(); + if el_ty.is_str(); + let body = cx.tcx.hir().body(body_id); + let typeck_results = cx.tcx.typeck_body(body_id); + if let Some(Constant::Vec(path)) = constant_simple(cx, typeck_results, body.value); + let path: Vec<&str> = path + .iter() + .map(|x| { + if let Constant::Str(s) = x { + s.as_str() + } else { + // We checked the type of the constant above + unreachable!() + } + }) + .collect(); + if !check_path(cx, &path[..]); + then { + span_lint(cx, INVALID_PATHS, item.span, "invalid path"); + } + } + } +} + +// This is not a complete resolver for paths. It works on all the paths currently used in the paths +// module. That's all it does and all it needs to do. +pub fn check_path(cx: &LateContext<'_>, path: &[&str]) -> bool { + if def_path_res(cx, path, None) != Res::Err { + return true; + } + + // Some implementations can't be found by `path_to_res`, particularly inherent + // implementations of native types. Check lang items. + let path_syms: Vec<_> = path.iter().map(|p| Symbol::intern(p)).collect(); + let lang_items = cx.tcx.lang_items(); + // This list isn't complete, but good enough for our current list of paths. + let incoherent_impls = [ + SimplifiedTypeGen::FloatSimplifiedType(FloatTy::F32), + SimplifiedTypeGen::FloatSimplifiedType(FloatTy::F64), + SimplifiedTypeGen::SliceSimplifiedType, + SimplifiedTypeGen::StrSimplifiedType, + ] + .iter() + .flat_map(|&ty| cx.tcx.incoherent_impls(ty)); + for item_def_id in lang_items.items().iter().flatten().chain(incoherent_impls) { + let lang_item_path = cx.get_def_path(*item_def_id); + if path_syms.starts_with(&lang_item_path) { + if let [item] = &path_syms[lang_item_path.len()..] { + if matches!( + cx.tcx.def_kind(*item_def_id), + DefKind::Mod | DefKind::Enum | DefKind::Trait + ) { + for child in cx.tcx.module_children(*item_def_id) { + if child.ident.name == *item { + return true; + } + } + } else { + for child in cx.tcx.associated_item_def_ids(*item_def_id) { + if cx.tcx.item_name(*child) == *item { + return true; + } + } + } + } + } + } + + false +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs new file mode 100644 index 00000000000..0dac64376b0 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs @@ -0,0 +1,342 @@ +use crate::utils::internal_lints::metadata_collector::is_deprecated_lint; +use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::macros::root_macro_call_first_node; +use clippy_utils::{is_lint_allowed, match_def_path, paths}; +use if_chain::if_chain; +use rustc_ast as ast; +use rustc_ast::ast::LitKind; +use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_hir as hir; +use rustc_hir::def::{DefKind, Res}; +use rustc_hir::hir_id::CRATE_HIR_ID; +use rustc_hir::intravisit::Visitor; +use rustc_hir::{ExprKind, HirId, Item, MutTy, Mutability, Path, TyKind}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::hir::nested_filter; +use rustc_semver::RustcVersion; +use rustc_session::{declare_tool_lint, impl_lint_pass}; +use rustc_span::source_map::Spanned; +use rustc_span::symbol::Symbol; +use rustc_span::{sym, Span}; + +declare_clippy_lint! { + /// ### What it does + /// Ensures every lint is associated to a `LintPass`. + /// + /// ### Why is this bad? + /// The compiler only knows lints via a `LintPass`. Without + /// putting a lint to a `LintPass::get_lints()`'s return, the compiler will not + /// know the name of the lint. + /// + /// ### Known problems + /// Only checks for lints associated using the + /// `declare_lint_pass!`, `impl_lint_pass!`, and `lint_array!` macros. + /// + /// ### Example + /// ```rust,ignore + /// declare_lint! { pub LINT_1, ... } + /// declare_lint! { pub LINT_2, ... } + /// declare_lint! { pub FORGOTTEN_LINT, ... } + /// // ... + /// declare_lint_pass!(Pass => [LINT_1, LINT_2]); + /// // missing FORGOTTEN_LINT + /// ``` + pub LINT_WITHOUT_LINT_PASS, + internal, + "declaring a lint without associating it in a LintPass" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for cases of an auto-generated lint without an updated description, + /// i.e. `default lint description`. + /// + /// ### Why is this bad? + /// Indicates that the lint is not finished. + /// + /// ### Example + /// ```rust,ignore + /// declare_lint! { pub COOL_LINT, nursery, "default lint description" } + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// declare_lint! { pub COOL_LINT, nursery, "a great new lint" } + /// ``` + pub DEFAULT_LINT, + internal, + "found 'default lint description' in a lint declaration" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for invalid `clippy::version` attributes. + /// + /// Valid values are: + /// * "pre 1.29.0" + /// * any valid semantic version + pub INVALID_CLIPPY_VERSION_ATTRIBUTE, + internal, + "found an invalid `clippy::version` attribute" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for declared clippy lints without the `clippy::version` attribute. + /// + pub MISSING_CLIPPY_VERSION_ATTRIBUTE, + internal, + "found clippy lint without `clippy::version` attribute" +} + +declare_clippy_lint! { + /// ### What it does + /// Checks for cases of an auto-generated deprecated lint without an updated reason, + /// i.e. `"default deprecation note"`. + /// + /// ### Why is this bad? + /// Indicates that the documentation is incomplete. + /// + /// ### Example + /// ```rust,ignore + /// declare_deprecated_lint! { + /// /// ### What it does + /// /// Nothing. This lint has been deprecated. + /// /// + /// /// ### Deprecation reason + /// /// TODO + /// #[clippy::version = "1.63.0"] + /// pub COOL_LINT, + /// "default deprecation note" + /// } + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// declare_deprecated_lint! { + /// /// ### What it does + /// /// Nothing. This lint has been deprecated. + /// /// + /// /// ### Deprecation reason + /// /// This lint has been replaced by `cooler_lint` + /// #[clippy::version = "1.63.0"] + /// pub COOL_LINT, + /// "this lint has been replaced by `cooler_lint`" + /// } + /// ``` + pub DEFAULT_DEPRECATION_REASON, + internal, + "found 'default deprecation note' in a deprecated lint declaration" +} + +#[derive(Clone, Debug, Default)] +pub struct LintWithoutLintPass { + declared_lints: FxHashMap<Symbol, Span>, + registered_lints: FxHashSet<Symbol>, +} + +impl_lint_pass!(LintWithoutLintPass => [DEFAULT_LINT, LINT_WITHOUT_LINT_PASS, INVALID_CLIPPY_VERSION_ATTRIBUTE, MISSING_CLIPPY_VERSION_ATTRIBUTE, DEFAULT_DEPRECATION_REASON]); + +impl<'tcx> LateLintPass<'tcx> for LintWithoutLintPass { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { + if is_lint_allowed(cx, DEFAULT_LINT, item.hir_id()) + || is_lint_allowed(cx, DEFAULT_DEPRECATION_REASON, item.hir_id()) + { + return; + } + + if let hir::ItemKind::Static(ty, Mutability::Not, body_id) = item.kind { + let is_lint_ref_ty = is_lint_ref_type(cx, ty); + if is_deprecated_lint(cx, ty) || is_lint_ref_ty { + check_invalid_clippy_version_attribute(cx, item); + + let expr = &cx.tcx.hir().body(body_id).value; + let fields; + if is_lint_ref_ty { + if let ExprKind::AddrOf(_, _, inner_exp) = expr.kind + && let ExprKind::Struct(_, struct_fields, _) = inner_exp.kind { + fields = struct_fields; + } else { + return; + } + } else if let ExprKind::Struct(_, struct_fields, _) = expr.kind { + fields = struct_fields; + } else { + return; + } + + let field = fields + .iter() + .find(|f| f.ident.as_str() == "desc") + .expect("lints must have a description field"); + + if let ExprKind::Lit(Spanned { + node: LitKind::Str(ref sym, _), + .. + }) = field.expr.kind + { + let sym_str = sym.as_str(); + if is_lint_ref_ty { + if sym_str == "default lint description" { + span_lint( + cx, + DEFAULT_LINT, + item.span, + &format!("the lint `{}` has the default lint description", item.ident.name), + ); + } + + self.declared_lints.insert(item.ident.name, item.span); + } else if sym_str == "default deprecation note" { + span_lint( + cx, + DEFAULT_DEPRECATION_REASON, + item.span, + &format!("the lint `{}` has the default deprecation reason", item.ident.name), + ); + } + } + } + } else if let Some(macro_call) = root_macro_call_first_node(cx, item) { + if !matches!( + cx.tcx.item_name(macro_call.def_id).as_str(), + "impl_lint_pass" | "declare_lint_pass" + ) { + return; + } + if let hir::ItemKind::Impl(hir::Impl { + of_trait: None, + items: impl_item_refs, + .. + }) = item.kind + { + let mut collector = LintCollector { + output: &mut self.registered_lints, + cx, + }; + let body_id = cx.tcx.hir().body_owned_by( + cx.tcx.hir().local_def_id( + impl_item_refs + .iter() + .find(|iiref| iiref.ident.as_str() == "get_lints") + .expect("LintPass needs to implement get_lints") + .id + .hir_id(), + ), + ); + collector.visit_expr(cx.tcx.hir().body(body_id).value); + } + } + } + + fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { + if is_lint_allowed(cx, LINT_WITHOUT_LINT_PASS, CRATE_HIR_ID) { + return; + } + + for (lint_name, &lint_span) in &self.declared_lints { + // When using the `declare_tool_lint!` macro, the original `lint_span`'s + // file points to "<rustc macros>". + // `compiletest-rs` thinks that's an error in a different file and + // just ignores it. This causes the test in compile-fail/lint_pass + // not able to capture the error. + // Therefore, we need to climb the macro expansion tree and find the + // actual span that invoked `declare_tool_lint!`: + let lint_span = lint_span.ctxt().outer_expn_data().call_site; + + if !self.registered_lints.contains(lint_name) { + span_lint( + cx, + LINT_WITHOUT_LINT_PASS, + lint_span, + &format!("the lint `{lint_name}` is not added to any `LintPass`"), + ); + } + } + } +} + +pub(super) fn is_lint_ref_type<'tcx>(cx: &LateContext<'tcx>, ty: &hir::Ty<'_>) -> bool { + if let TyKind::Rptr( + _, + MutTy { + ty: inner, + mutbl: Mutability::Not, + }, + ) = ty.kind + { + if let TyKind::Path(ref path) = inner.kind { + if let Res::Def(DefKind::Struct, def_id) = cx.qpath_res(path, inner.hir_id) { + return match_def_path(cx, def_id, &paths::LINT); + } + } + } + + false +} + +fn check_invalid_clippy_version_attribute(cx: &LateContext<'_>, item: &'_ Item<'_>) { + if let Some(value) = extract_clippy_version_value(cx, item) { + // The `sym!` macro doesn't work as it only expects a single token. + // It's better to keep it this way and have a direct `Symbol::intern` call here. + if value == Symbol::intern("pre 1.29.0") { + return; + } + + if RustcVersion::parse(value.as_str()).is_err() { + span_lint_and_help( + cx, + INVALID_CLIPPY_VERSION_ATTRIBUTE, + item.span, + "this item has an invalid `clippy::version` attribute", + None, + "please use a valid semantic version, see `doc/adding_lints.md`", + ); + } + } else { + span_lint_and_help( + cx, + MISSING_CLIPPY_VERSION_ATTRIBUTE, + item.span, + "this lint is missing the `clippy::version` attribute or version value", + None, + "please use a `clippy::version` attribute, see `doc/adding_lints.md`", + ); + } +} + +/// This function extracts the version value of a `clippy::version` attribute if the given value has +/// one +pub(super) fn extract_clippy_version_value(cx: &LateContext<'_>, item: &'_ Item<'_>) -> Option<Symbol> { + let attrs = cx.tcx.hir().attrs(item.hir_id()); + attrs.iter().find_map(|attr| { + if_chain! { + // Identify attribute + if let ast::AttrKind::Normal(ref attr_kind) = &attr.kind; + if let [tool_name, attr_name] = &attr_kind.item.path.segments[..]; + if tool_name.ident.name == sym::clippy; + if attr_name.ident.name == sym::version; + if let Some(version) = attr.value_str(); + then { Some(version) } else { None } + } + }) +} + +struct LintCollector<'a, 'tcx> { + output: &'a mut FxHashSet<Symbol>, + cx: &'a LateContext<'tcx>, +} + +impl<'a, 'tcx> Visitor<'tcx> for LintCollector<'a, 'tcx> { + type NestedFilter = nested_filter::All; + + fn visit_path(&mut self, path: &'tcx Path<'_>, _: HirId) { + if path.segments.len() == 1 { + self.output.insert(path.segments[0].ident.name); + } + } + + fn nested_visit_map(&mut self) -> Self::Map { + self.cx.tcx.hir() + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs index c84191bb010..d06a616e4b3 100644 --- a/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/metadata_collector.rs @@ -8,7 +8,7 @@ //! a simple mistake) use crate::renamed_lints::RENAMED_LINTS; -use crate::utils::internal_lints::{extract_clippy_version_value, is_lint_ref_type}; +use crate::utils::internal_lints::lint_without_lint_pass::{extract_clippy_version_value, is_lint_ref_type}; use clippy_utils::diagnostics::span_lint; use clippy_utils::ty::{match_type, walk_ptrs_ty_depth}; @@ -532,7 +532,11 @@ fn parse_config_field_doc(doc_comment: &str) -> Option<(Vec<String>, String)> { // Extract lints doc_comment.make_ascii_lowercase(); - let lints: Vec<String> = doc_comment.split_off(DOC_START.len()).split(", ").map(str::to_string).collect(); + let lints: Vec<String> = doc_comment + .split_off(DOC_START.len()) + .split(", ") + .map(str::to_string) + .collect(); // Format documentation correctly // split off leading `.` from lint name list and indent for correct formatting diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs new file mode 100644 index 00000000000..1e994e3f2b1 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/msrv_attr_impl.rs @@ -0,0 +1,63 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::source::snippet; +use clippy_utils::ty::match_type; +use clippy_utils::{match_def_path, paths}; +use if_chain::if_chain; +use rustc_errors::Applicability; +use rustc_hir as hir; +use rustc_hir_analysis::hir_ty_to_ty; +use rustc_lint::{LateContext, LateLintPass, LintContext}; +use rustc_middle::ty::{self, subst::GenericArgKind}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; + +declare_clippy_lint! { + /// ### What it does + /// Check that the `extract_msrv_attr!` macro is used, when a lint has a MSRV. + /// + pub MISSING_MSRV_ATTR_IMPL, + internal, + "checking if all necessary steps were taken when adding a MSRV to a lint" +} + +declare_lint_pass!(MsrvAttrImpl => [MISSING_MSRV_ATTR_IMPL]); + +impl LateLintPass<'_> for MsrvAttrImpl { + fn check_item(&mut self, cx: &LateContext<'_>, item: &hir::Item<'_>) { + if_chain! { + if let hir::ItemKind::Impl(hir::Impl { + of_trait: Some(lint_pass_trait_ref), + self_ty, + items, + .. + }) = &item.kind; + if let Some(lint_pass_trait_def_id) = lint_pass_trait_ref.trait_def_id(); + let is_late_pass = match_def_path(cx, lint_pass_trait_def_id, &paths::LATE_LINT_PASS); + if is_late_pass || match_def_path(cx, lint_pass_trait_def_id, &paths::EARLY_LINT_PASS); + let self_ty = hir_ty_to_ty(cx.tcx, self_ty); + if let ty::Adt(self_ty_def, _) = self_ty.kind(); + if self_ty_def.is_struct(); + if self_ty_def.all_fields().any(|f| { + cx.tcx + .type_of(f.did) + .walk() + .filter(|t| matches!(t.unpack(), GenericArgKind::Type(_))) + .any(|t| match_type(cx, t.expect_ty(), &paths::RUSTC_VERSION)) + }); + if !items.iter().any(|item| item.ident.name == sym!(enter_lint_attrs)); + then { + let context = if is_late_pass { "LateContext" } else { "EarlyContext" }; + let lint_pass = if is_late_pass { "LateLintPass" } else { "EarlyLintPass" }; + let span = cx.sess().source_map().span_through_char(item.span, '{'); + span_lint_and_sugg( + cx, + MISSING_MSRV_ATTR_IMPL, + span, + &format!("`extract_msrv_attr!` macro missing from `{lint_pass}` implementation"), + &format!("add `extract_msrv_attr!({context})` to the `{lint_pass}` implementation"), + format!("{}\n extract_msrv_attr!({context});", snippet(cx, span, "..")), + Applicability::MachineApplicable, + ); + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/outer_expn_data_pass.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/outer_expn_data_pass.rs new file mode 100644 index 00000000000..2b13fad8066 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/outer_expn_data_pass.rs @@ -0,0 +1,62 @@ +use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::ty::match_type; +use clippy_utils::{is_lint_allowed, method_calls, paths}; +use if_chain::if_chain; +use rustc_errors::Applicability; +use rustc_hir as hir; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::symbol::Symbol; + +declare_clippy_lint! { + /// ### What it does + /// Checks for calls to `cx.outer().expn_data()` and suggests to use + /// the `cx.outer_expn_data()` + /// + /// ### Why is this bad? + /// `cx.outer_expn_data()` is faster and more concise. + /// + /// ### Example + /// ```rust,ignore + /// expr.span.ctxt().outer().expn_data() + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// expr.span.ctxt().outer_expn_data() + /// ``` + pub OUTER_EXPN_EXPN_DATA, + internal, + "using `cx.outer_expn().expn_data()` instead of `cx.outer_expn_data()`" +} + +declare_lint_pass!(OuterExpnDataPass => [OUTER_EXPN_EXPN_DATA]); + +impl<'tcx> LateLintPass<'tcx> for OuterExpnDataPass { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { + if is_lint_allowed(cx, OUTER_EXPN_EXPN_DATA, expr.hir_id) { + return; + } + + let (method_names, arg_lists, spans) = method_calls(expr, 2); + let method_names: Vec<&str> = method_names.iter().map(Symbol::as_str).collect(); + if_chain! { + if let ["expn_data", "outer_expn"] = method_names.as_slice(); + let (self_arg, args) = arg_lists[1]; + if args.is_empty(); + let self_ty = cx.typeck_results().expr_ty(self_arg).peel_refs(); + if match_type(cx, self_ty, &paths::SYNTAX_CONTEXT); + then { + span_lint_and_sugg( + cx, + OUTER_EXPN_EXPN_DATA, + spans[1].with_hi(expr.span.hi()), + "usage of `outer_expn().expn_data()`", + "try", + "outer_expn_data()".to_string(), + Applicability::MachineApplicable, + ); + } + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/produce_ice.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/produce_ice.rs new file mode 100644 index 00000000000..5899b94e16b --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/produce_ice.rs @@ -0,0 +1,37 @@ +use rustc_ast::ast::NodeId; +use rustc_ast::visit::FnKind; +use rustc_lint::{EarlyContext, EarlyLintPass}; +use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::Span; + +declare_clippy_lint! { + /// ### What it does + /// Not an actual lint. This lint is only meant for testing our customized internal compiler + /// error message by calling `panic`. + /// + /// ### Why is this bad? + /// ICE in large quantities can damage your teeth + /// + /// ### Example + /// ```rust,ignore + /// 🍦🍦🍦🍦🍦 + /// ``` + pub PRODUCE_ICE, + internal, + "this message should not appear anywhere as we ICE before and don't emit the lint" +} + +declare_lint_pass!(ProduceIce => [PRODUCE_ICE]); + +impl EarlyLintPass for ProduceIce { + fn check_fn(&mut self, _: &EarlyContext<'_>, fn_kind: FnKind<'_>, _: Span, _: NodeId) { + assert!(!is_trigger_fn(fn_kind), "Would you like some help with that?"); + } +} + +fn is_trigger_fn(fn_kind: FnKind<'_>) -> bool { + match fn_kind { + FnKind::Fn(_, ident, ..) => ident.name.as_str() == "it_looks_like_you_are_trying_to_kill_clippy", + FnKind::Closure(..) => false, + } +} diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs new file mode 100644 index 00000000000..4cf76f53625 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/unnecessary_def_path.rs @@ -0,0 +1,343 @@ +use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_then}; +use clippy_utils::source::snippet_with_applicability; +use clippy_utils::{def_path_res, is_lint_allowed, match_any_def_paths, peel_hir_expr_refs}; +use if_chain::if_chain; +use rustc_ast::ast::LitKind; +use rustc_data_structures::fx::FxHashSet; +use rustc_errors::Applicability; +use rustc_hir as hir; +use rustc_hir::def::{DefKind, Namespace, Res}; +use rustc_hir::def_id::DefId; +use rustc_hir::{Expr, ExprKind, Local, Mutability, Node}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::mir::interpret::{Allocation, ConstValue, GlobalAlloc}; +use rustc_middle::ty::{self, AssocKind, DefIdTree, Ty}; +use rustc_session::{declare_tool_lint, impl_lint_pass}; +use rustc_span::symbol::{Ident, Symbol}; +use rustc_span::Span; + +use std::str; + +declare_clippy_lint! { + /// ### What it does + /// Checks for usages of def paths when a diagnostic item or a `LangItem` could be used. + /// + /// ### Why is this bad? + /// The path for an item is subject to change and is less efficient to look up than a + /// diagnostic item or a `LangItem`. + /// + /// ### Example + /// ```rust,ignore + /// utils::match_type(cx, ty, &paths::VEC) + /// ``` + /// + /// Use instead: + /// ```rust,ignore + /// utils::is_type_diagnostic_item(cx, ty, sym::Vec) + /// ``` + pub UNNECESSARY_DEF_PATH, + internal, + "using a def path when a diagnostic item or a `LangItem` is available" +} + +impl_lint_pass!(UnnecessaryDefPath => [UNNECESSARY_DEF_PATH]); + +#[derive(Default)] +pub struct UnnecessaryDefPath { + array_def_ids: FxHashSet<(DefId, Span)>, + linted_def_ids: FxHashSet<DefId>, +} + +impl<'tcx> LateLintPass<'tcx> for UnnecessaryDefPath { + fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx hir::Expr<'_>) { + if is_lint_allowed(cx, UNNECESSARY_DEF_PATH, expr.hir_id) { + return; + } + + match expr.kind { + ExprKind::Call(func, args) => self.check_call(cx, func, args, expr.span), + ExprKind::Array(elements) => self.check_array(cx, elements, expr.span), + _ => {}, + } + } + + fn check_crate_post(&mut self, cx: &LateContext<'tcx>) { + for &(def_id, span) in &self.array_def_ids { + if self.linted_def_ids.contains(&def_id) { + continue; + } + + let (msg, sugg) = if let Some(sym) = cx.tcx.get_diagnostic_name(def_id) { + ("diagnostic item", format!("sym::{sym}")) + } else if let Some(sym) = get_lang_item_name(cx, def_id) { + ("language item", format!("LangItem::{sym}")) + } else { + continue; + }; + + span_lint_and_help( + cx, + UNNECESSARY_DEF_PATH, + span, + &format!("hardcoded path to a {msg}"), + None, + &format!("convert all references to use `{sugg}`"), + ); + } + } +} + +impl UnnecessaryDefPath { + #[allow(clippy::too_many_lines)] + fn check_call(&mut self, cx: &LateContext<'_>, func: &Expr<'_>, args: &[Expr<'_>], span: Span) { + enum Item { + LangItem(Symbol), + DiagnosticItem(Symbol), + } + static PATHS: &[&[&str]] = &[ + &["clippy_utils", "match_def_path"], + &["clippy_utils", "match_trait_method"], + &["clippy_utils", "ty", "match_type"], + &["clippy_utils", "is_expr_path_def_path"], + ]; + + if_chain! { + if let [cx_arg, def_arg, args @ ..] = args; + if let ExprKind::Path(path) = &func.kind; + if let Some(id) = cx.qpath_res(path, func.hir_id).opt_def_id(); + if let Some(which_path) = match_any_def_paths(cx, id, PATHS); + let item_arg = if which_path == 4 { &args[1] } else { &args[0] }; + // Extract the path to the matched type + if let Some(segments) = path_to_matched_type(cx, item_arg); + let segments: Vec<&str> = segments.iter().map(|sym| &**sym).collect(); + if let Some(def_id) = inherent_def_path_res(cx, &segments[..]); + then { + // Check if the target item is a diagnostic item or LangItem. + #[rustfmt::skip] + let (msg, item) = if let Some(item_name) + = cx.tcx.diagnostic_items(def_id.krate).id_to_name.get(&def_id) + { + ( + "use of a def path to a diagnostic item", + Item::DiagnosticItem(*item_name), + ) + } else if let Some(item_name) = get_lang_item_name(cx, def_id) { + ( + "use of a def path to a `LangItem`", + Item::LangItem(item_name), + ) + } else { + return; + }; + + let has_ctor = match cx.tcx.def_kind(def_id) { + DefKind::Struct => { + let variant = cx.tcx.adt_def(def_id).non_enum_variant(); + variant.ctor_def_id.is_some() && variant.fields.iter().all(|f| f.vis.is_public()) + }, + DefKind::Variant => { + let variant = cx.tcx.adt_def(cx.tcx.parent(def_id)).variant_with_id(def_id); + variant.ctor_def_id.is_some() && variant.fields.iter().all(|f| f.vis.is_public()) + }, + _ => false, + }; + + let mut app = Applicability::MachineApplicable; + let cx_snip = snippet_with_applicability(cx, cx_arg.span, "..", &mut app); + let def_snip = snippet_with_applicability(cx, def_arg.span, "..", &mut app); + let (sugg, with_note) = match (which_path, item) { + // match_def_path + (0, Item::DiagnosticItem(item)) => ( + format!("{cx_snip}.tcx.is_diagnostic_item(sym::{item}, {def_snip})"), + has_ctor, + ), + (0, Item::LangItem(item)) => ( + format!("{cx_snip}.tcx.lang_items().require(LangItem::{item}).ok() == Some({def_snip})"), + has_ctor, + ), + // match_trait_method + (1, Item::DiagnosticItem(item)) => { + (format!("is_trait_method({cx_snip}, {def_snip}, sym::{item})"), false) + }, + // match_type + (2, Item::DiagnosticItem(item)) => ( + format!("is_type_diagnostic_item({cx_snip}, {def_snip}, sym::{item})"), + false, + ), + (2, Item::LangItem(item)) => ( + format!("is_type_lang_item({cx_snip}, {def_snip}, LangItem::{item})"), + false, + ), + // is_expr_path_def_path + (3, Item::DiagnosticItem(item)) if has_ctor => ( + format!("is_res_diag_ctor({cx_snip}, path_res({cx_snip}, {def_snip}), sym::{item})",), + false, + ), + (3, Item::LangItem(item)) if has_ctor => ( + format!("is_res_lang_ctor({cx_snip}, path_res({cx_snip}, {def_snip}), LangItem::{item})",), + false, + ), + (3, Item::DiagnosticItem(item)) => ( + format!("is_path_diagnostic_item({cx_snip}, {def_snip}, sym::{item})"), + false, + ), + (3, Item::LangItem(item)) => ( + format!( + "path_res({cx_snip}, {def_snip}).opt_def_id()\ + .map_or(false, |id| {cx_snip}.tcx.lang_items().require(LangItem::{item}).ok() == Some(id))", + ), + false, + ), + _ => return, + }; + + span_lint_and_then(cx, UNNECESSARY_DEF_PATH, span, msg, |diag| { + diag.span_suggestion(span, "try", sugg, app); + if with_note { + diag.help( + "if this `DefId` came from a constructor expression or pattern then the \ + parent `DefId` should be used instead", + ); + } + }); + + self.linted_def_ids.insert(def_id); + } + } + } + + fn check_array(&mut self, cx: &LateContext<'_>, elements: &[Expr<'_>], span: Span) { + let Some(path) = path_from_array(elements) else { return }; + + if let Some(def_id) = inherent_def_path_res(cx, &path.iter().map(AsRef::as_ref).collect::<Vec<_>>()) { + self.array_def_ids.insert((def_id, span)); + } + } +} + +fn path_to_matched_type(cx: &LateContext<'_>, expr: &hir::Expr<'_>) -> Option<Vec<String>> { + match peel_hir_expr_refs(expr).0.kind { + ExprKind::Path(ref qpath) => match cx.qpath_res(qpath, expr.hir_id) { + Res::Local(hir_id) => { + let parent_id = cx.tcx.hir().get_parent_node(hir_id); + if let Some(Node::Local(Local { init: Some(init), .. })) = cx.tcx.hir().find(parent_id) { + path_to_matched_type(cx, init) + } else { + None + } + }, + Res::Def(DefKind::Static(_), def_id) => read_mir_alloc_def_path( + cx, + cx.tcx.eval_static_initializer(def_id).ok()?.inner(), + cx.tcx.type_of(def_id), + ), + Res::Def(DefKind::Const, def_id) => match cx.tcx.const_eval_poly(def_id).ok()? { + ConstValue::ByRef { alloc, offset } if offset.bytes() == 0 => { + read_mir_alloc_def_path(cx, alloc.inner(), cx.tcx.type_of(def_id)) + }, + _ => None, + }, + _ => None, + }, + ExprKind::Array(exprs) => path_from_array(exprs), + _ => None, + } +} + +fn read_mir_alloc_def_path<'tcx>(cx: &LateContext<'tcx>, alloc: &'tcx Allocation, ty: Ty<'_>) -> Option<Vec<String>> { + let (alloc, ty) = if let ty::Ref(_, ty, Mutability::Not) = *ty.kind() { + let &alloc = alloc.provenance().values().next()?; + if let GlobalAlloc::Memory(alloc) = cx.tcx.global_alloc(alloc) { + (alloc.inner(), ty) + } else { + return None; + } + } else { + (alloc, ty) + }; + + if let ty::Array(ty, _) | ty::Slice(ty) = *ty.kind() + && let ty::Ref(_, ty, Mutability::Not) = *ty.kind() + && ty.is_str() + { + alloc + .provenance() + .values() + .map(|&alloc| { + if let GlobalAlloc::Memory(alloc) = cx.tcx.global_alloc(alloc) { + let alloc = alloc.inner(); + str::from_utf8(alloc.inspect_with_uninit_and_ptr_outside_interpreter(0..alloc.len())) + .ok().map(ToOwned::to_owned) + } else { + None + } + }) + .collect() + } else { + None + } +} + +fn path_from_array(exprs: &[Expr<'_>]) -> Option<Vec<String>> { + exprs + .iter() + .map(|expr| { + if let ExprKind::Lit(lit) = &expr.kind { + if let LitKind::Str(sym, _) = lit.node { + return Some((*sym.as_str()).to_owned()); + } + } + + None + }) + .collect() +} + +// def_path_res will match field names before anything else, but for this we want to match +// inherent functions first. +fn inherent_def_path_res(cx: &LateContext<'_>, segments: &[&str]) -> Option<DefId> { + def_path_res(cx, segments, None).opt_def_id().map(|def_id| { + if cx.tcx.def_kind(def_id) == DefKind::Field { + let method_name = *segments.last().unwrap(); + cx.tcx + .def_key(def_id) + .parent + .and_then(|parent_idx| { + cx.tcx + .inherent_impls(DefId { + index: parent_idx, + krate: def_id.krate, + }) + .iter() + .find_map(|impl_id| { + cx.tcx.associated_items(*impl_id).find_by_name_and_kind( + cx.tcx, + Ident::from_str(method_name), + AssocKind::Fn, + *impl_id, + ) + }) + }) + .map_or(def_id, |item| item.def_id) + } else { + def_id + } + }) +} + +fn get_lang_item_name(cx: &LateContext<'_>, def_id: DefId) -> Option<Symbol> { + if let Some(lang_item) = cx.tcx.lang_items().items().iter().position(|id| *id == Some(def_id)) { + let lang_items = def_path_res(cx, &["rustc_hir", "lang_items", "LangItem"], Some(Namespace::TypeNS)).def_id(); + let item_name = cx + .tcx + .adt_def(lang_items) + .variants() + .iter() + .nth(lang_item) + .unwrap() + .name; + Some(item_name) + } else { + None + } +} diff --git a/src/tools/clippy/clippy_utils/src/attrs.rs b/src/tools/clippy/clippy_utils/src/attrs.rs index d9b22664fd2..cd8575c90e8 100644 --- a/src/tools/clippy/clippy_utils/src/attrs.rs +++ b/src/tools/clippy/clippy_utils/src/attrs.rs @@ -136,7 +136,7 @@ pub fn get_unique_inner_attr(sess: &Session, attrs: &[ast::Attribute], name: &'s .emit(); }, ast::AttrStyle::Outer => { - sess.span_err(attr.span, &format!("`{name}` cannot be an outer attribute")); + sess.span_err(attr.span, format!("`{name}` cannot be an outer attribute")); }, } } diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index fa6766f7cfe..07e4ef6a2fe 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -136,17 +136,49 @@ impl Constant { (&Self::F64(l), &Self::F64(r)) => l.partial_cmp(&r), (&Self::F32(l), &Self::F32(r)) => l.partial_cmp(&r), (&Self::Bool(ref l), &Self::Bool(ref r)) => Some(l.cmp(r)), - (&Self::Tuple(ref l), &Self::Tuple(ref r)) | (&Self::Vec(ref l), &Self::Vec(ref r)) => iter::zip(l, r) - .map(|(li, ri)| Self::partial_cmp(tcx, cmp_type, li, ri)) - .find(|r| r.map_or(true, |o| o != Ordering::Equal)) - .unwrap_or_else(|| Some(l.len().cmp(&r.len()))), + (&Self::Tuple(ref l), &Self::Tuple(ref r)) if l.len() == r.len() => match *cmp_type.kind() { + ty::Tuple(tys) if tys.len() == l.len() => l + .iter() + .zip(r) + .zip(tys) + .map(|((li, ri), cmp_type)| Self::partial_cmp(tcx, cmp_type, li, ri)) + .find(|r| r.map_or(true, |o| o != Ordering::Equal)) + .unwrap_or_else(|| Some(l.len().cmp(&r.len()))), + _ => None, + }, + (&Self::Vec(ref l), &Self::Vec(ref r)) => { + let cmp_type = match *cmp_type.kind() { + ty::Array(ty, _) | ty::Slice(ty) => ty, + _ => return None, + }; + iter::zip(l, r) + .map(|(li, ri)| Self::partial_cmp(tcx, cmp_type, li, ri)) + .find(|r| r.map_or(true, |o| o != Ordering::Equal)) + .unwrap_or_else(|| Some(l.len().cmp(&r.len()))) + }, (&Self::Repeat(ref lv, ref ls), &Self::Repeat(ref rv, ref rs)) => { - match Self::partial_cmp(tcx, cmp_type, lv, rv) { + match Self::partial_cmp( + tcx, + match *cmp_type.kind() { + ty::Array(ty, _) => ty, + _ => return None, + }, + lv, + rv, + ) { Some(Equal) => Some(ls.cmp(rs)), x => x, } }, - (&Self::Ref(ref lb), &Self::Ref(ref rb)) => Self::partial_cmp(tcx, cmp_type, lb, rb), + (&Self::Ref(ref lb), &Self::Ref(ref rb)) => Self::partial_cmp( + tcx, + match *cmp_type.kind() { + ty::Ref(_, ty, _) => ty, + _ => return None, + }, + lb, + rb, + ), // TODO: are there any useful inter-type orderings? _ => None, } diff --git a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs index 8724a4cd651..95b3e651e2b 100644 --- a/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs +++ b/src/tools/clippy/clippy_utils/src/eager_or_lazy.rs @@ -120,7 +120,7 @@ fn expr_eagerness<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> EagernessS .expr_ty(e) .has_significant_drop(self.cx.tcx, self.cx.param_env) { - self.eagerness = Lazy; + self.eagerness = ForceNoChange; return; } }, diff --git a/src/tools/clippy/clippy_utils/src/lib.rs b/src/tools/clippy/clippy_utils/src/lib.rs index e7e3625c078..052db3f3a03 100644 --- a/src/tools/clippy/clippy_utils/src/lib.rs +++ b/src/tools/clippy/clippy_utils/src/lib.rs @@ -24,11 +24,13 @@ extern crate rustc_attr; extern crate rustc_data_structures; extern crate rustc_errors; extern crate rustc_hir; -extern crate rustc_hir_analysis; +extern crate rustc_hir_typeck; +extern crate rustc_index; extern crate rustc_infer; extern crate rustc_lexer; extern crate rustc_lint; extern crate rustc_middle; +extern crate rustc_mir_dataflow; extern crate rustc_parse_format; extern crate rustc_session; extern crate rustc_span; @@ -48,6 +50,7 @@ pub mod eager_or_lazy; pub mod higher; mod hir_utils; pub mod macros; +pub mod mir; pub mod msrvs; pub mod numeric_literal; pub mod paths; @@ -122,7 +125,7 @@ pub fn parse_msrv(msrv: &str, sess: Option<&Session>, span: Option<Span>) -> Opt return Some(version); } else if let Some(sess) = sess { if let Some(span) = span { - sess.span_err(span, &format!("`{msrv}` is not a valid Rust version")); + sess.span_err(span, format!("`{msrv}` is not a valid Rust version")); } } None @@ -815,13 +818,37 @@ pub fn is_default_equivalent(cx: &LateContext<'_>, e: &Expr<'_>) -> bool { false } }, - ExprKind::Call(repl_func, _) => is_default_equivalent_call(cx, repl_func), + ExprKind::Call(repl_func, []) => is_default_equivalent_call(cx, repl_func), + ExprKind::Call(from_func, [ref arg]) => is_default_equivalent_from(cx, from_func, arg), ExprKind::Path(qpath) => is_res_lang_ctor(cx, cx.qpath_res(qpath, e.hir_id), OptionNone), ExprKind::AddrOf(rustc_hir::BorrowKind::Ref, _, expr) => matches!(expr.kind, ExprKind::Array([])), _ => false, } } +fn is_default_equivalent_from(cx: &LateContext<'_>, from_func: &Expr<'_>, arg: &Expr<'_>) -> bool { + if let ExprKind::Path(QPath::TypeRelative(ty, seg)) = from_func.kind && + seg.ident.name == sym::from + { + match arg.kind { + ExprKind::Lit(hir::Lit { + node: LitKind::Str(ref sym, _), + .. + }) => return sym.is_empty() && is_path_diagnostic_item(cx, ty, sym::String), + ExprKind::Array([]) => return is_path_diagnostic_item(cx, ty, sym::Vec), + ExprKind::Repeat(_, ArrayLen::Body(len)) => { + if let ExprKind::Lit(ref const_lit) = cx.tcx.hir().body(len.body).value.kind && + let LitKind::Int(v, _) = const_lit.node + { + return v == 0 && is_path_diagnostic_item(cx, ty, sym::Vec); + } + } + _ => (), + } + } + false +} + /// Checks if the top level expression can be moved into a closure as is. /// Currently checks for: /// * Break/Continue outside the given loop HIR ids. @@ -1739,6 +1766,7 @@ pub fn any_parent_is_automatically_derived(tcx: TyCtxt<'_>, node: HirId) -> bool /// ```rust,ignore /// if let Some(args) = match_function_call(cx, cmp_max_call, &paths::CMP_MAX); /// ``` +/// This function is deprecated. Use [`match_function_call_with_def_id`]. pub fn match_function_call<'tcx>( cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, @@ -1756,6 +1784,22 @@ pub fn match_function_call<'tcx>( None } +pub fn match_function_call_with_def_id<'tcx>( + cx: &LateContext<'tcx>, + expr: &'tcx Expr<'_>, + fun_def_id: DefId, +) -> Option<&'tcx [Expr<'tcx>]> { + if_chain! { + if let ExprKind::Call(fun, args) = expr.kind; + if let ExprKind::Path(ref qpath) = fun.kind; + if cx.qpath_res(qpath, fun.hir_id).opt_def_id() == Some(fun_def_id); + then { + return Some(args); + } + }; + None +} + /// Checks if the given `DefId` matches any of the paths. Returns the index of matching path, if /// any. /// diff --git a/src/tools/clippy/clippy_utils/src/macros.rs b/src/tools/clippy/clippy_utils/src/macros.rs index 5a63c290a31..9a682fbe604 100644 --- a/src/tools/clippy/clippy_utils/src/macros.rs +++ b/src/tools/clippy/clippy_utils/src/macros.rs @@ -627,7 +627,7 @@ pub enum Count<'tcx> { /// `FormatParamKind::Numbered`. Param(FormatParam<'tcx>), /// Not specified. - Implied, + Implied(Option<Span>), } impl<'tcx> Count<'tcx> { @@ -638,8 +638,10 @@ impl<'tcx> Count<'tcx> { inner: Option<rpf::InnerSpan>, values: &FormatArgsValues<'tcx>, ) -> Option<Self> { + let span = inner.map(|inner| span_from_inner(values.format_string_span, inner)); + Some(match count { - rpf::Count::CountIs(val) => Self::Is(val, span_from_inner(values.format_string_span, inner?)), + rpf::Count::CountIs(val) => Self::Is(val, span?), rpf::Count::CountIsName(name, _) => Self::Param(FormatParam::new( FormatParamKind::Named(Symbol::intern(name)), usage, @@ -661,12 +663,12 @@ impl<'tcx> Count<'tcx> { inner?, values, )?), - rpf::Count::CountImplied => Self::Implied, + rpf::Count::CountImplied => Self::Implied(span), }) } pub fn is_implied(self) -> bool { - matches!(self, Count::Implied) + matches!(self, Count::Implied(_)) } pub fn param(self) -> Option<FormatParam<'tcx>> { @@ -675,6 +677,14 @@ impl<'tcx> Count<'tcx> { _ => None, } } + + pub fn span(self) -> Option<Span> { + match self { + Count::Is(_, span) => Some(span), + Count::Param(param) => Some(param.span), + Count::Implied(span) => span, + } + } } /// Specification for the formatting of an argument in the format string. See @@ -738,8 +748,13 @@ impl<'tcx> FormatSpec<'tcx> { /// Returns true if this format spec is unchanged from the default. e.g. returns true for `{}`, /// `{foo}` and `{2}`, but false for `{:?}`, `{foo:5}` and `{3:.5}` pub fn is_default(&self) -> bool { - self.r#trait == sym::Display - && self.width.is_implied() + self.r#trait == sym::Display && self.is_default_for_trait() + } + + /// Has no other formatting specifiers than setting the format trait. returns true for `{}`, + /// `{foo}`, `{:?}`, but false for `{foo:5}`, `{3:.5?}` + pub fn is_default_for_trait(&self) -> bool { + self.width.is_implied() && self.precision.is_implied() && self.align == Alignment::AlignUnknown && self.flags == 0 @@ -757,6 +772,22 @@ pub struct FormatArg<'tcx> { pub span: Span, } +impl<'tcx> FormatArg<'tcx> { + /// Span of the `:` and format specifiers + /// + /// ```ignore + /// format!("{:.}"), format!("{foo:.}") + /// ^^ ^^ + /// ``` + pub fn format_span(&self) -> Span { + let base = self.span.data(); + + // `base.hi` is `{...}|`, subtract 1 byte (the length of '}') so that it points before the closing + // brace `{...|}` + Span::new(self.param.span.hi(), base.hi - BytePos(1), base.ctxt, base.parent) + } +} + /// A parsed `format_args!` expansion. #[derive(Debug)] pub struct FormatArgsExpn<'tcx> { diff --git a/src/tools/clippy/clippy_utils/src/mir/maybe_storage_live.rs b/src/tools/clippy/clippy_utils/src/mir/maybe_storage_live.rs new file mode 100644 index 00000000000..d262b335d99 --- /dev/null +++ b/src/tools/clippy/clippy_utils/src/mir/maybe_storage_live.rs @@ -0,0 +1,52 @@ +use rustc_index::bit_set::BitSet; +use rustc_middle::mir; +use rustc_mir_dataflow::{AnalysisDomain, CallReturnPlaces, GenKill, GenKillAnalysis}; + +/// Determines liveness of each local purely based on `StorageLive`/`Dead`. +#[derive(Copy, Clone)] +pub(super) struct MaybeStorageLive; + +impl<'tcx> AnalysisDomain<'tcx> for MaybeStorageLive { + type Domain = BitSet<mir::Local>; + const NAME: &'static str = "maybe_storage_live"; + + fn bottom_value(&self, body: &mir::Body<'tcx>) -> Self::Domain { + // bottom = dead + BitSet::new_empty(body.local_decls.len()) + } + + fn initialize_start_block(&self, body: &mir::Body<'tcx>, state: &mut Self::Domain) { + for arg in body.args_iter() { + state.insert(arg); + } + } +} + +impl<'tcx> GenKillAnalysis<'tcx> for MaybeStorageLive { + type Idx = mir::Local; + + fn statement_effect(&self, trans: &mut impl GenKill<Self::Idx>, stmt: &mir::Statement<'tcx>, _: mir::Location) { + match stmt.kind { + mir::StatementKind::StorageLive(l) => trans.gen(l), + mir::StatementKind::StorageDead(l) => trans.kill(l), + _ => (), + } + } + + fn terminator_effect( + &self, + _trans: &mut impl GenKill<Self::Idx>, + _terminator: &mir::Terminator<'tcx>, + _loc: mir::Location, + ) { + } + + fn call_return_effect( + &self, + _trans: &mut impl GenKill<Self::Idx>, + _block: mir::BasicBlock, + _return_places: CallReturnPlaces<'_, 'tcx>, + ) { + // Nothing to do when a call returns successfully + } +} diff --git a/src/tools/clippy/clippy_utils/src/mir/mod.rs b/src/tools/clippy/clippy_utils/src/mir/mod.rs new file mode 100644 index 00000000000..818e603f665 --- /dev/null +++ b/src/tools/clippy/clippy_utils/src/mir/mod.rs @@ -0,0 +1,164 @@ +use rustc_hir::{Expr, HirId}; +use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor}; +use rustc_middle::mir::{ + traversal, Body, InlineAsmOperand, Local, Location, Place, StatementKind, TerminatorKind, START_BLOCK, +}; +use rustc_middle::ty::TyCtxt; + +mod maybe_storage_live; + +mod possible_borrower; +pub use possible_borrower::PossibleBorrowerMap; + +mod possible_origin; + +mod transitive_relation; + +#[derive(Clone, Debug, Default)] +pub struct LocalUsage { + /// The locations where the local is used, if any. + pub local_use_locs: Vec<Location>, + /// The locations where the local is consumed or mutated, if any. + pub local_consume_or_mutate_locs: Vec<Location>, +} + +pub fn visit_local_usage(locals: &[Local], mir: &Body<'_>, location: Location) -> Option<Vec<LocalUsage>> { + let init = vec![ + LocalUsage { + local_use_locs: Vec::new(), + local_consume_or_mutate_locs: Vec::new(), + }; + locals.len() + ]; + + traversal::ReversePostorder::new(mir, location.block).try_fold(init, |usage, (tbb, tdata)| { + // Give up on loops + if tdata.terminator().successors().any(|s| s == location.block) { + return None; + } + + let mut v = V { + locals, + location, + results: usage, + }; + v.visit_basic_block_data(tbb, tdata); + Some(v.results) + }) +} + +struct V<'a> { + locals: &'a [Local], + location: Location, + results: Vec<LocalUsage>, +} + +impl<'a, 'tcx> Visitor<'tcx> for V<'a> { + fn visit_place(&mut self, place: &Place<'tcx>, ctx: PlaceContext, loc: Location) { + if loc.block == self.location.block && loc.statement_index <= self.location.statement_index { + return; + } + + let local = place.local; + + for (i, self_local) in self.locals.iter().enumerate() { + if local == *self_local { + if !matches!( + ctx, + PlaceContext::MutatingUse(MutatingUseContext::Drop) | PlaceContext::NonUse(_) + ) { + self.results[i].local_use_locs.push(loc); + } + if matches!( + ctx, + PlaceContext::NonMutatingUse(NonMutatingUseContext::Move) + | PlaceContext::MutatingUse(MutatingUseContext::Borrow) + ) { + self.results[i].local_consume_or_mutate_locs.push(loc); + } + } + } + } +} + +/// Convenience wrapper around `visit_local_usage`. +pub fn used_exactly_once(mir: &rustc_middle::mir::Body<'_>, local: rustc_middle::mir::Local) -> Option<bool> { + visit_local_usage( + &[local], + mir, + Location { + block: START_BLOCK, + statement_index: 0, + }, + ) + .map(|mut vec| { + let LocalUsage { local_use_locs, .. } = vec.remove(0); + local_use_locs + .into_iter() + .filter(|location| !is_local_assignment(mir, local, *location)) + .count() + == 1 + }) +} + +/// Returns the `mir::Body` containing the node associated with `hir_id`. +#[allow(clippy::module_name_repetitions)] +pub fn enclosing_mir(tcx: TyCtxt<'_>, hir_id: HirId) -> &Body<'_> { + let body_owner_local_def_id = tcx.hir().enclosing_body_owner(hir_id); + tcx.optimized_mir(body_owner_local_def_id.to_def_id()) +} + +/// Tries to determine the `Local` corresponding to `expr`, if any. +/// This function is expensive and should be used sparingly. +pub fn expr_local(tcx: TyCtxt<'_>, expr: &Expr<'_>) -> Option<Local> { + let mir = enclosing_mir(tcx, expr.hir_id); + mir.local_decls.iter_enumerated().find_map(|(local, local_decl)| { + if local_decl.source_info.span == expr.span { + Some(local) + } else { + None + } + }) +} + +/// Returns a vector of `mir::Location` where `local` is assigned. +pub fn local_assignments(mir: &Body<'_>, local: Local) -> Vec<Location> { + let mut locations = Vec::new(); + for (block, data) in mir.basic_blocks.iter_enumerated() { + for statement_index in 0..=data.statements.len() { + let location = Location { block, statement_index }; + if is_local_assignment(mir, local, location) { + locations.push(location); + } + } + } + locations +} + +// `is_local_assignment` is based on `is_place_assignment`: +// https://github.com/rust-lang/rust/blob/b7413511dc85ec01ef4b91785f86614589ac6103/compiler/rustc_middle/src/mir/visit.rs#L1350 +fn is_local_assignment(mir: &Body<'_>, local: Local, location: Location) -> bool { + let Location { block, statement_index } = location; + let basic_block = &mir.basic_blocks[block]; + if statement_index < basic_block.statements.len() { + let statement = &basic_block.statements[statement_index]; + if let StatementKind::Assign(box (place, _)) = statement.kind { + place.as_local() == Some(local) + } else { + false + } + } else { + let terminator = basic_block.terminator(); + match &terminator.kind { + TerminatorKind::Call { destination, .. } => destination.as_local() == Some(local), + TerminatorKind::InlineAsm { operands, .. } => operands.iter().any(|operand| { + if let InlineAsmOperand::Out { place: Some(place), .. } = operand { + place.as_local() == Some(local) + } else { + false + } + }), + _ => false, + } + } +} diff --git a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs new file mode 100644 index 00000000000..25717bf3d2f --- /dev/null +++ b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs @@ -0,0 +1,241 @@ +use super::{ + maybe_storage_live::MaybeStorageLive, possible_origin::PossibleOriginVisitor, + transitive_relation::TransitiveRelation, +}; +use crate::ty::is_copy; +use rustc_data_structures::fx::FxHashMap; +use rustc_index::bit_set::{BitSet, HybridBitSet}; +use rustc_lint::LateContext; +use rustc_middle::mir::{self, visit::Visitor as _, Mutability}; +use rustc_middle::ty::{self, visit::TypeVisitor}; +use rustc_mir_dataflow::{Analysis, ResultsCursor}; +use std::ops::ControlFlow; + +/// Collects the possible borrowers of each local. +/// For example, `b = &a; c = &a;` will make `b` and (transitively) `c` +/// possible borrowers of `a`. +#[allow(clippy::module_name_repetitions)] +struct PossibleBorrowerVisitor<'a, 'b, 'tcx> { + possible_borrower: TransitiveRelation, + body: &'b mir::Body<'tcx>, + cx: &'a LateContext<'tcx>, + possible_origin: FxHashMap<mir::Local, HybridBitSet<mir::Local>>, +} + +impl<'a, 'b, 'tcx> PossibleBorrowerVisitor<'a, 'b, 'tcx> { + fn new( + cx: &'a LateContext<'tcx>, + body: &'b mir::Body<'tcx>, + possible_origin: FxHashMap<mir::Local, HybridBitSet<mir::Local>>, + ) -> Self { + Self { + possible_borrower: TransitiveRelation::default(), + cx, + body, + possible_origin, + } + } + + fn into_map( + self, + cx: &'a LateContext<'tcx>, + maybe_live: ResultsCursor<'b, 'tcx, MaybeStorageLive>, + ) -> PossibleBorrowerMap<'b, 'tcx> { + let mut map = FxHashMap::default(); + for row in (1..self.body.local_decls.len()).map(mir::Local::from_usize) { + if is_copy(cx, self.body.local_decls[row].ty) { + continue; + } + + let mut borrowers = self.possible_borrower.reachable_from(row, self.body.local_decls.len()); + borrowers.remove(mir::Local::from_usize(0)); + if !borrowers.is_empty() { + map.insert(row, borrowers); + } + } + + let bs = BitSet::new_empty(self.body.local_decls.len()); + PossibleBorrowerMap { + map, + maybe_live, + bitset: (bs.clone(), bs), + } + } +} + +impl<'a, 'b, 'tcx> mir::visit::Visitor<'tcx> for PossibleBorrowerVisitor<'a, 'b, 'tcx> { + fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _location: mir::Location) { + let lhs = place.local; + match rvalue { + mir::Rvalue::Ref(_, _, borrowed) => { + self.possible_borrower.add(borrowed.local, lhs); + }, + other => { + if ContainsRegion + .visit_ty(place.ty(&self.body.local_decls, self.cx.tcx).ty) + .is_continue() + { + return; + } + rvalue_locals(other, |rhs| { + if lhs != rhs { + self.possible_borrower.add(rhs, lhs); + } + }); + }, + } + } + + fn visit_terminator(&mut self, terminator: &mir::Terminator<'_>, _loc: mir::Location) { + if let mir::TerminatorKind::Call { + args, + destination: mir::Place { local: dest, .. }, + .. + } = &terminator.kind + { + // TODO add doc + // If the call returns something with lifetimes, + // let's conservatively assume the returned value contains lifetime of all the arguments. + // For example, given `let y: Foo<'a> = foo(x)`, `y` is considered to be a possible borrower of `x`. + + let mut immutable_borrowers = vec![]; + let mut mutable_borrowers = vec![]; + + for op in args { + match op { + mir::Operand::Copy(p) | mir::Operand::Move(p) => { + if let ty::Ref(_, _, Mutability::Mut) = self.body.local_decls[p.local].ty.kind() { + mutable_borrowers.push(p.local); + } else { + immutable_borrowers.push(p.local); + } + }, + mir::Operand::Constant(..) => (), + } + } + + let mut mutable_variables: Vec<mir::Local> = mutable_borrowers + .iter() + .filter_map(|r| self.possible_origin.get(r)) + .flat_map(HybridBitSet::iter) + .collect(); + + if ContainsRegion.visit_ty(self.body.local_decls[*dest].ty).is_break() { + mutable_variables.push(*dest); + } + + for y in mutable_variables { + for x in &immutable_borrowers { + self.possible_borrower.add(*x, y); + } + for x in &mutable_borrowers { + self.possible_borrower.add(*x, y); + } + } + } + } +} + +struct ContainsRegion; + +impl TypeVisitor<'_> for ContainsRegion { + type BreakTy = (); + + fn visit_region(&mut self, _: ty::Region<'_>) -> ControlFlow<Self::BreakTy> { + ControlFlow::BREAK + } +} + +fn rvalue_locals(rvalue: &mir::Rvalue<'_>, mut visit: impl FnMut(mir::Local)) { + use rustc_middle::mir::Rvalue::{Aggregate, BinaryOp, Cast, CheckedBinaryOp, Repeat, UnaryOp, Use}; + + let mut visit_op = |op: &mir::Operand<'_>| match op { + mir::Operand::Copy(p) | mir::Operand::Move(p) => visit(p.local), + mir::Operand::Constant(..) => (), + }; + + match rvalue { + Use(op) | Repeat(op, _) | Cast(_, op, _) | UnaryOp(_, op) => visit_op(op), + Aggregate(_, ops) => ops.iter().for_each(visit_op), + BinaryOp(_, box (lhs, rhs)) | CheckedBinaryOp(_, box (lhs, rhs)) => { + visit_op(lhs); + visit_op(rhs); + }, + _ => (), + } +} + +/// Result of `PossibleBorrowerVisitor`. +#[allow(clippy::module_name_repetitions)] +pub struct PossibleBorrowerMap<'b, 'tcx> { + /// Mapping `Local -> its possible borrowers` + pub map: FxHashMap<mir::Local, HybridBitSet<mir::Local>>, + maybe_live: ResultsCursor<'b, 'tcx, MaybeStorageLive>, + // Caches to avoid allocation of `BitSet` on every query + pub bitset: (BitSet<mir::Local>, BitSet<mir::Local>), +} + +impl<'a, 'b, 'tcx> PossibleBorrowerMap<'b, 'tcx> { + pub fn new(cx: &'a LateContext<'tcx>, mir: &'b mir::Body<'tcx>) -> Self { + let possible_origin = { + let mut vis = PossibleOriginVisitor::new(mir); + vis.visit_body(mir); + vis.into_map(cx) + }; + let maybe_storage_live_result = MaybeStorageLive + .into_engine(cx.tcx, mir) + .pass_name("redundant_clone") + .iterate_to_fixpoint() + .into_results_cursor(mir); + let mut vis = PossibleBorrowerVisitor::new(cx, mir, possible_origin); + vis.visit_body(mir); + vis.into_map(cx, maybe_storage_live_result) + } + + /// Returns true if the set of borrowers of `borrowed` living at `at` matches with `borrowers`. + pub fn only_borrowers(&mut self, borrowers: &[mir::Local], borrowed: mir::Local, at: mir::Location) -> bool { + self.bounded_borrowers(borrowers, borrowers, borrowed, at) + } + + /// Returns true if the set of borrowers of `borrowed` living at `at` includes at least `below` + /// but no more than `above`. + pub fn bounded_borrowers( + &mut self, + below: &[mir::Local], + above: &[mir::Local], + borrowed: mir::Local, + at: mir::Location, + ) -> bool { + self.maybe_live.seek_after_primary_effect(at); + + self.bitset.0.clear(); + let maybe_live = &mut self.maybe_live; + if let Some(bitset) = self.map.get(&borrowed) { + for b in bitset.iter().filter(move |b| maybe_live.contains(*b)) { + self.bitset.0.insert(b); + } + } else { + return false; + } + + self.bitset.1.clear(); + for b in below { + self.bitset.1.insert(*b); + } + + if !self.bitset.0.superset(&self.bitset.1) { + return false; + } + + for b in above { + self.bitset.0.remove(*b); + } + + self.bitset.0.is_empty() + } + + pub fn local_is_alive_at(&mut self, local: mir::Local, at: mir::Location) -> bool { + self.maybe_live.seek_after_primary_effect(at); + self.maybe_live.contains(local) + } +} diff --git a/src/tools/clippy/clippy_utils/src/mir/possible_origin.rs b/src/tools/clippy/clippy_utils/src/mir/possible_origin.rs new file mode 100644 index 00000000000..8e7513d740a --- /dev/null +++ b/src/tools/clippy/clippy_utils/src/mir/possible_origin.rs @@ -0,0 +1,59 @@ +use super::transitive_relation::TransitiveRelation; +use crate::ty::is_copy; +use rustc_data_structures::fx::FxHashMap; +use rustc_index::bit_set::HybridBitSet; +use rustc_lint::LateContext; +use rustc_middle::mir; + +/// Collect possible borrowed for every `&mut` local. +/// For example, `_1 = &mut _2` generate _1: {_2,...} +/// Known Problems: not sure all borrowed are tracked +#[allow(clippy::module_name_repetitions)] +pub(super) struct PossibleOriginVisitor<'a, 'tcx> { + possible_origin: TransitiveRelation, + body: &'a mir::Body<'tcx>, +} + +impl<'a, 'tcx> PossibleOriginVisitor<'a, 'tcx> { + pub fn new(body: &'a mir::Body<'tcx>) -> Self { + Self { + possible_origin: TransitiveRelation::default(), + body, + } + } + + pub fn into_map(self, cx: &LateContext<'tcx>) -> FxHashMap<mir::Local, HybridBitSet<mir::Local>> { + let mut map = FxHashMap::default(); + for row in (1..self.body.local_decls.len()).map(mir::Local::from_usize) { + if is_copy(cx, self.body.local_decls[row].ty) { + continue; + } + + let mut borrowers = self.possible_origin.reachable_from(row, self.body.local_decls.len()); + borrowers.remove(mir::Local::from_usize(0)); + if !borrowers.is_empty() { + map.insert(row, borrowers); + } + } + map + } +} + +impl<'a, 'tcx> mir::visit::Visitor<'tcx> for PossibleOriginVisitor<'a, 'tcx> { + fn visit_assign(&mut self, place: &mir::Place<'tcx>, rvalue: &mir::Rvalue<'_>, _location: mir::Location) { + let lhs = place.local; + match rvalue { + // Only consider `&mut`, which can modify origin place + mir::Rvalue::Ref(_, rustc_middle::mir::BorrowKind::Mut { .. }, borrowed) | + // _2: &mut _; + // _3 = move _2 + mir::Rvalue::Use(mir::Operand::Move(borrowed)) | + // _3 = move _2 as &mut _; + mir::Rvalue::Cast(_, mir::Operand::Move(borrowed), _) + => { + self.possible_origin.add(lhs, borrowed.local); + }, + _ => {}, + } + } +} diff --git a/src/tools/clippy/clippy_utils/src/mir/transitive_relation.rs b/src/tools/clippy/clippy_utils/src/mir/transitive_relation.rs new file mode 100644 index 00000000000..7fe2960739f --- /dev/null +++ b/src/tools/clippy/clippy_utils/src/mir/transitive_relation.rs @@ -0,0 +1,29 @@ +use rustc_data_structures::fx::FxHashMap; +use rustc_index::bit_set::HybridBitSet; +use rustc_middle::mir; + +#[derive(Default)] +pub(super) struct TransitiveRelation { + relations: FxHashMap<mir::Local, Vec<mir::Local>>, +} + +impl TransitiveRelation { + pub fn add(&mut self, a: mir::Local, b: mir::Local) { + self.relations.entry(a).or_default().push(b); + } + + pub fn reachable_from(&self, a: mir::Local, domain_size: usize) -> HybridBitSet<mir::Local> { + let mut seen = HybridBitSet::new_empty(domain_size); + let mut stack = vec![a]; + while let Some(u) = stack.pop() { + if let Some(edges) = self.relations.get(&u) { + for &v in edges { + if seen.insert(v) { + stack.push(v); + } + } + } + } + seen + } +} diff --git a/src/tools/clippy/clippy_utils/src/numeric_literal.rs b/src/tools/clippy/clippy_utils/src/numeric_literal.rs index 80098d9766c..c5dcd7b31f5 100644 --- a/src/tools/clippy/clippy_utils/src/numeric_literal.rs +++ b/src/tools/clippy/clippy_utils/src/numeric_literal.rs @@ -69,12 +69,13 @@ impl<'a> NumericLiteral<'a> { #[must_use] pub fn new(lit: &'a str, suffix: Option<&'a str>, float: bool) -> Self { + let unsigned_lit = lit.trim_start_matches('-'); // Determine delimiter for radix prefix, if present, and radix. - let radix = if lit.starts_with("0x") { + let radix = if unsigned_lit.starts_with("0x") { Radix::Hexadecimal - } else if lit.starts_with("0b") { + } else if unsigned_lit.starts_with("0b") { Radix::Binary - } else if lit.starts_with("0o") { + } else if unsigned_lit.starts_with("0o") { Radix::Octal } else { Radix::Decimal diff --git a/src/tools/clippy/clippy_utils/src/paths.rs b/src/tools/clippy/clippy_utils/src/paths.rs index 13938645fc3..bc851473430 100644 --- a/src/tools/clippy/clippy_utils/src/paths.rs +++ b/src/tools/clippy/clippy_utils/src/paths.rs @@ -16,25 +16,17 @@ pub const APPLICABILITY_VALUES: [[&str; 3]; 4] = [ #[cfg(feature = "internal")] pub const DIAGNOSTIC_BUILDER: [&str; 3] = ["rustc_errors", "diagnostic_builder", "DiagnosticBuilder"]; pub const ARC_PTR_EQ: [&str; 4] = ["alloc", "sync", "Arc", "ptr_eq"]; -pub const ASMUT_TRAIT: [&str; 3] = ["core", "convert", "AsMut"]; -pub const ASREF_TRAIT: [&str; 3] = ["core", "convert", "AsRef"]; pub const BTREEMAP_CONTAINS_KEY: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "contains_key"]; -pub const BTREEMAP_ENTRY: [&str; 6] = ["alloc", "collections", "btree", "map", "entry", "Entry"]; pub const BTREEMAP_INSERT: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "insert"]; pub const BTREESET_ITER: [&str; 6] = ["alloc", "collections", "btree", "set", "BTreeSet", "iter"]; pub const CLONE_TRAIT_METHOD: [&str; 4] = ["core", "clone", "Clone", "clone"]; -pub const COW: [&str; 3] = ["alloc", "borrow", "Cow"]; pub const CORE_ITER_COLLECT: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "collect"]; pub const CORE_ITER_CLONED: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "cloned"]; pub const CORE_ITER_COPIED: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "copied"]; pub const CORE_ITER_FILTER: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "filter"]; -pub const CORE_ITER_INTO_ITER: [&str; 6] = ["core", "iter", "traits", "collect", "IntoIterator", "into_iter"]; pub const CSTRING_AS_C_STR: [&str; 5] = ["alloc", "ffi", "c_str", "CString", "as_c_str"]; pub const DEFAULT_TRAIT_METHOD: [&str; 4] = ["core", "default", "Default", "default"]; pub const DEREF_MUT_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "DerefMut", "deref_mut"]; -/// Preferably use the diagnostic item `sym::deref_method` where possible -pub const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; -pub const DISPLAY_TRAIT: [&str; 3] = ["core", "fmt", "Display"]; #[cfg(feature = "internal")] pub const EARLY_CONTEXT: [&str; 2] = ["rustc_lint", "EarlyContext"]; #[cfg(feature = "internal")] @@ -42,30 +34,22 @@ pub const EARLY_LINT_PASS: [&str; 3] = ["rustc_lint", "passes", "EarlyLintPass"] pub const EXIT: [&str; 3] = ["std", "process", "exit"]; pub const F32_EPSILON: [&str; 4] = ["core", "f32", "<impl f32>", "EPSILON"]; pub const F64_EPSILON: [&str; 4] = ["core", "f64", "<impl f64>", "EPSILON"]; -pub const FILE: [&str; 3] = ["std", "fs", "File"]; -pub const FILE_TYPE: [&str; 3] = ["std", "fs", "FileType"]; -pub const FROM_FROM: [&str; 4] = ["core", "convert", "From", "from"]; pub const FROM_ITERATOR_METHOD: [&str; 6] = ["core", "iter", "traits", "collect", "FromIterator", "from_iter"]; pub const FROM_STR_METHOD: [&str; 5] = ["core", "str", "traits", "FromStr", "from_str"]; -pub const FUTURE_FROM_GENERATOR: [&str; 3] = ["core", "future", "from_generator"]; #[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const FUTURES_IO_ASYNCREADEXT: [&str; 3] = ["futures_util", "io", "AsyncReadExt"]; #[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const FUTURES_IO_ASYNCWRITEEXT: [&str; 3] = ["futures_util", "io", "AsyncWriteExt"]; pub const HASHMAP_CONTAINS_KEY: [&str; 6] = ["std", "collections", "hash", "map", "HashMap", "contains_key"]; -pub const HASHMAP_ENTRY: [&str; 5] = ["std", "collections", "hash", "map", "Entry"]; pub const HASHMAP_INSERT: [&str; 6] = ["std", "collections", "hash", "map", "HashMap", "insert"]; pub const HASHSET_ITER: [&str; 6] = ["std", "collections", "hash", "set", "HashSet", "iter"]; #[cfg(feature = "internal")] pub const IDENT: [&str; 3] = ["rustc_span", "symbol", "Ident"]; #[cfg(feature = "internal")] pub const IDENT_AS_STR: [&str; 4] = ["rustc_span", "symbol", "Ident", "as_str"]; -pub const INDEX: [&str; 3] = ["core", "ops", "Index"]; -pub const INDEX_MUT: [&str; 3] = ["core", "ops", "IndexMut"]; pub const INSERT_STR: [&str; 4] = ["alloc", "string", "String", "insert_str"]; pub const ITER_COUNT: [&str; 6] = ["core", "iter", "traits", "iterator", "Iterator", "count"]; pub const ITER_EMPTY: [&str; 5] = ["core", "iter", "sources", "empty", "Empty"]; -pub const ITER_REPEAT: [&str; 5] = ["core", "iter", "sources", "repeat", "repeat"]; pub const ITERTOOLS_NEXT_TUPLE: [&str; 3] = ["itertools", "Itertools", "next_tuple"]; #[cfg(feature = "internal")] pub const KW_MODULE: [&str; 3] = ["rustc_span", "symbol", "kw"]; @@ -76,13 +60,7 @@ pub const LATE_LINT_PASS: [&str; 3] = ["rustc_lint", "passes", "LateLintPass"]; #[cfg(feature = "internal")] pub const LINT: [&str; 2] = ["rustc_lint_defs", "Lint"]; pub const MEM_SWAP: [&str; 3] = ["core", "mem", "swap"]; -pub const MUTEX_GUARD: [&str; 4] = ["std", "sync", "mutex", "MutexGuard"]; pub const OPEN_OPTIONS: [&str; 3] = ["std", "fs", "OpenOptions"]; -/// Preferably use the diagnostic item `sym::Option` where possible -pub const OPTION: [&str; 3] = ["core", "option", "Option"]; -pub const OPTION_NONE: [&str; 4] = ["core", "option", "Option", "None"]; -pub const OPTION_SOME: [&str; 4] = ["core", "option", "Option", "Some"]; -pub const ORD: [&str; 3] = ["core", "cmp", "Ord"]; pub const OS_STRING_AS_OS_STR: [&str; 5] = ["std", "ffi", "os_str", "OsString", "as_os_str"]; pub const OS_STR_TO_OS_STRING: [&str; 5] = ["std", "ffi", "os_str", "OsStr", "to_os_string"]; pub const PARKING_LOT_MUTEX_GUARD: [&str; 3] = ["lock_api", "mutex", "MutexGuard"]; @@ -95,8 +73,6 @@ pub const PERMISSIONS: [&str; 3] = ["std", "fs", "Permissions"]; #[cfg_attr(not(unix), allow(clippy::invalid_paths))] pub const PERMISSIONS_FROM_MODE: [&str; 6] = ["std", "os", "unix", "fs", "PermissionsExt", "from_mode"]; pub const POLL: [&str; 4] = ["core", "task", "poll", "Poll"]; -pub const POLL_PENDING: [&str; 5] = ["core", "task", "poll", "Poll", "Pending"]; -pub const POLL_READY: [&str; 5] = ["core", "task", "poll", "Poll", "Ready"]; pub const PTR_COPY: [&str; 3] = ["core", "intrinsics", "copy"]; pub const PTR_COPY_NONOVERLAPPING: [&str; 3] = ["core", "intrinsics", "copy_nonoverlapping"]; pub const PTR_EQ: [&str; 3] = ["core", "ptr", "eq"]; @@ -119,26 +95,14 @@ pub const RANGE_ARGUMENT_TRAIT: [&str; 3] = ["core", "ops", "RangeBounds"]; pub const RC_PTR_EQ: [&str; 4] = ["alloc", "rc", "Rc", "ptr_eq"]; pub const REFCELL_REF: [&str; 3] = ["core", "cell", "Ref"]; pub const REFCELL_REFMUT: [&str; 3] = ["core", "cell", "RefMut"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const REGEX_BUILDER_NEW: [&str; 5] = ["regex", "re_builder", "unicode", "RegexBuilder", "new"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const REGEX_BYTES_BUILDER_NEW: [&str; 5] = ["regex", "re_builder", "bytes", "RegexBuilder", "new"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const REGEX_BYTES_NEW: [&str; 4] = ["regex", "re_bytes", "Regex", "new"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const REGEX_BYTES_SET_NEW: [&str; 5] = ["regex", "re_set", "bytes", "RegexSet", "new"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const REGEX_NEW: [&str; 4] = ["regex", "re_unicode", "Regex", "new"]; -#[expect(clippy::invalid_paths)] // internal lints do not know about all external crates pub const REGEX_SET_NEW: [&str; 5] = ["regex", "re_set", "unicode", "RegexSet", "new"]; -/// Preferably use the diagnostic item `sym::Result` where possible -pub const RESULT: [&str; 3] = ["core", "result", "Result"]; -pub const RESULT_ERR: [&str; 4] = ["core", "result", "Result", "Err"]; -pub const RESULT_OK: [&str; 4] = ["core", "result", "Result", "Ok"]; #[cfg(feature = "internal")] pub const RUSTC_VERSION: [&str; 2] = ["rustc_semver", "RustcVersion"]; -pub const RWLOCK_READ_GUARD: [&str; 4] = ["std", "sync", "rwlock", "RwLockReadGuard"]; -pub const RWLOCK_WRITE_GUARD: [&str; 4] = ["std", "sync", "rwlock", "RwLockWriteGuard"]; pub const SERDE_DESERIALIZE: [&str; 3] = ["serde", "de", "Deserialize"]; pub const SERDE_DE_VISITOR: [&str; 3] = ["serde", "de", "Visitor"]; pub const SLICE_FROM_RAW_PARTS: [&str; 4] = ["core", "slice", "raw", "from_raw_parts"]; diff --git a/src/tools/clippy/clippy_utils/src/sugg.rs b/src/tools/clippy/clippy_utils/src/sugg.rs index 3347342e412..aad7da61a8a 100644 --- a/src/tools/clippy/clippy_utils/src/sugg.rs +++ b/src/tools/clippy/clippy_utils/src/sugg.rs @@ -1,7 +1,9 @@ //! Contains utility functions to generate suggestions. #![deny(clippy::missing_docs_in_private_items)] -use crate::source::{snippet, snippet_opt, snippet_with_applicability, snippet_with_macro_callsite}; +use crate::source::{ + snippet, snippet_opt, snippet_with_applicability, snippet_with_context, snippet_with_macro_callsite, +}; use crate::ty::expr_sig; use crate::{get_parent_expr_for_hir, higher}; use rustc_ast::util::parser::AssocOp; @@ -10,7 +12,7 @@ use rustc_ast_pretty::pprust::token_kind_to_string; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::{Closure, ExprKind, HirId, MutTy, TyKind}; -use rustc_hir_analysis::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; +use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::{EarlyContext, LateContext, LintContext}; use rustc_middle::hir::place::ProjectionKind; @@ -110,7 +112,7 @@ impl<'a> Sugg<'a> { if expr.span.ctxt() == ctxt { Self::hir_from_snippet(expr, |span| snippet(cx, span, default)) } else { - let snip = snippet_with_applicability(cx, expr.span, default, applicability); + let (snip, _) = snippet_with_context(cx, expr.span, ctxt, default, applicability); Sugg::NonParen(snip) } } @@ -1052,13 +1054,7 @@ impl<'tcx> Delegate<'tcx> for DerefDelegate<'_, 'tcx> { fn mutate(&mut self, _: &PlaceWithHirId<'tcx>, _: HirId) {} - fn fake_read( - &mut self, - _: &rustc_hir_analysis::expr_use_visitor::PlaceWithHirId<'tcx>, - _: FakeReadCause, - _: HirId, - ) { - } + fn fake_read(&mut self, _: &PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId) {} } #[cfg(test)] diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index a15daec7c3c..3b5a9ba8356 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -657,21 +657,18 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: ProjectionTy<'tcx>) -> O let mut output = None; let lang_items = cx.tcx.lang_items(); - for pred in cx + for (pred, _) in cx .tcx .bound_explicit_item_bounds(ty.item_def_id) - .transpose_iter() - .map(|x| x.map_bound(|(p, _)| p)) + .subst_iter_copied(cx.tcx, ty.substs) { - match pred.0.kind().skip_binder() { + match pred.kind().skip_binder() { PredicateKind::Trait(p) if (lang_items.fn_trait() == Some(p.def_id()) || lang_items.fn_mut_trait() == Some(p.def_id()) || lang_items.fn_once_trait() == Some(p.def_id())) => { - let i = pred - .map_bound(|pred| pred.kind().rebind(p.trait_ref.substs.type_at(1))) - .subst(cx.tcx, ty.substs); + let i = pred.kind().rebind(p.trait_ref.substs.type_at(1)); if inputs.map_or(false, |inputs| inputs != i) { // Multiple different fn trait impls. Is this even allowed? @@ -684,10 +681,7 @@ fn sig_for_projection<'tcx>(cx: &LateContext<'tcx>, ty: ProjectionTy<'tcx>) -> O // Multiple different fn trait impls. Is this even allowed? return None; } - output = Some( - pred.map_bound(|pred| pred.kind().rebind(p.term.ty().unwrap())) - .subst(cx.tcx, ty.substs), - ); + output = pred.kind().rebind(p.term.ty()).transpose(); }, _ => (), } diff --git a/src/tools/clippy/clippy_utils/src/usage.rs b/src/tools/clippy/clippy_utils/src/usage.rs index e32bae6ed1f..000fb51c018 100644 --- a/src/tools/clippy/clippy_utils/src/usage.rs +++ b/src/tools/clippy/clippy_utils/src/usage.rs @@ -5,7 +5,7 @@ use rustc_hir as hir; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::HirIdSet; use rustc_hir::{Expr, ExprKind, HirId, Node}; -use rustc_hir_analysis::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; +use rustc_hir_typeck::expr_use_visitor::{Delegate, ExprUseVisitor, PlaceBase, PlaceWithHirId}; use rustc_infer::infer::TyCtxtInferExt; use rustc_lint::LateContext; use rustc_middle::hir::nested_filter; @@ -75,11 +75,10 @@ impl<'tcx> Delegate<'tcx> for MutVarsDelegate { fn fake_read( &mut self, - _: &rustc_hir_analysis::expr_use_visitor::PlaceWithHirId<'tcx>, + _: &rustc_hir_typeck::expr_use_visitor::PlaceWithHirId<'tcx>, _: FakeReadCause, _: HirId, - ) { - } + ) {} } pub struct ParamBindingIdCollector { diff --git a/src/tools/clippy/lintcheck/src/config.rs b/src/tools/clippy/lintcheck/src/config.rs index b344db634f6..b8824024e6c 100644 --- a/src/tools/clippy/lintcheck/src/config.rs +++ b/src/tools/clippy/lintcheck/src/config.rs @@ -73,8 +73,7 @@ impl LintcheckConfig { let sources_toml = env::var("LINTCHECK_TOML").unwrap_or_else(|_| { clap_config .get_one::<String>("crates-toml") - .map(|s| &**s) - .unwrap_or("lintcheck/lintcheck_crates.toml") + .map_or("lintcheck/lintcheck_crates.toml", |s| &**s) .into() }); @@ -97,7 +96,7 @@ impl LintcheckConfig { Some(&0) => { // automatic choice // Rayon seems to return thread count so half that for core count - (rayon::current_num_threads() / 2) as usize + rayon::current_num_threads() / 2 }, Some(&threads) => threads, // no -j passed, use a single thread diff --git a/src/tools/clippy/lintcheck/src/driver.rs b/src/tools/clippy/lintcheck/src/driver.rs index 63221bab32d..47724a2fedb 100644 --- a/src/tools/clippy/lintcheck/src/driver.rs +++ b/src/tools/clippy/lintcheck/src/driver.rs @@ -5,7 +5,7 @@ use std::net::TcpStream; use std::process::{self, Command, Stdio}; use std::{env, mem}; -/// 1. Sends [DriverInfo] to the [crate::recursive::LintcheckServer] running on `addr` +/// 1. Sends [`DriverInfo`] to the [`crate::recursive::LintcheckServer`] running on `addr` /// 2. Receives [bool] from the server, if `false` returns `None` /// 3. Otherwise sends the stderr of running `clippy-driver` to the server fn run_clippy(addr: &str) -> Option<i32> { diff --git a/src/tools/clippy/lintcheck/src/main.rs b/src/tools/clippy/lintcheck/src/main.rs index cc2b3e1acec..54c1b80c42d 100644 --- a/src/tools/clippy/lintcheck/src/main.rs +++ b/src/tools/clippy/lintcheck/src/main.rs @@ -116,12 +116,13 @@ impl ClippyWarning { let span = diag.spans.into_iter().find(|span| span.is_primary)?; - let file = match Path::new(&span.file_name).strip_prefix(env!("CARGO_HOME")) { - Ok(stripped) => format!("$CARGO_HOME/{}", stripped.display()), - Err(_) => format!( + let file = if let Ok(stripped) = Path::new(&span.file_name).strip_prefix(env!("CARGO_HOME")) { + format!("$CARGO_HOME/{}", stripped.display()) + } else { + format!( "target/lintcheck/sources/{}-{}/{}", crate_name, crate_version, span.file_name - ), + ) }; Some(Self { @@ -144,16 +145,17 @@ impl ClippyWarning { } let mut output = String::from("| "); - let _ = write!(output, "[`{}`]({}#L{})", file_with_pos, file, self.line); + let _ = write!(output, "[`{file_with_pos}`]({file}#L{})", self.line); let _ = write!(output, r#" | `{:<50}` | "{}" |"#, self.lint_type, self.message); output.push('\n'); output } else { - format!("{} {} \"{}\"\n", file_with_pos, self.lint_type, self.message) + format!("{file_with_pos} {} \"{}\"\n", self.lint_type, self.message) } } } +#[allow(clippy::result_large_err)] fn get(path: &str) -> Result<ureq::Response, ureq::Error> { const MAX_RETRIES: u8 = 4; let mut retries = 0; @@ -161,11 +163,11 @@ fn get(path: &str) -> Result<ureq::Response, ureq::Error> { match ureq::get(path).call() { Ok(res) => return Ok(res), Err(e) if retries >= MAX_RETRIES => return Err(e), - Err(ureq::Error::Transport(e)) => eprintln!("Error: {}", e), + Err(ureq::Error::Transport(e)) => eprintln!("Error: {e}"), Err(e) => return Err(e), } - eprintln!("retrying in {} seconds...", retries); - thread::sleep(Duration::from_secs(retries as u64)); + eprintln!("retrying in {retries} seconds..."); + thread::sleep(Duration::from_secs(u64::from(retries))); retries += 1; } } @@ -181,11 +183,11 @@ impl CrateSource { let krate_download_dir = PathBuf::from(LINTCHECK_DOWNLOADS); // url to download the crate from crates.io - let url = format!("https://crates.io/api/v1/crates/{}/{}/download", name, version); - println!("Downloading and extracting {} {} from {}", name, version, url); + let url = format!("https://crates.io/api/v1/crates/{name}/{version}/download"); + println!("Downloading and extracting {name} {version} from {url}"); create_dirs(&krate_download_dir, &extract_dir); - let krate_file_path = krate_download_dir.join(format!("{}-{}.crate.tar.gz", name, version)); + let krate_file_path = krate_download_dir.join(format!("{name}-{version}.crate.tar.gz")); // don't download/extract if we already have done so if !krate_file_path.is_file() { // create a file path to download and write the crate data into @@ -205,7 +207,7 @@ impl CrateSource { Crate { version: version.clone(), name: name.clone(), - path: extract_dir.join(format!("{}-{}/", name, version)), + path: extract_dir.join(format!("{name}-{version}/")), options: options.clone(), } }, @@ -218,12 +220,12 @@ impl CrateSource { let repo_path = { let mut repo_path = PathBuf::from(LINTCHECK_SOURCES); // add a -git suffix in case we have the same crate from crates.io and a git repo - repo_path.push(format!("{}-git", name)); + repo_path.push(format!("{name}-git")); repo_path }; // clone the repo if we have not done so if !repo_path.is_dir() { - println!("Cloning {} and checking out {}", url, commit); + println!("Cloning {url} and checking out {commit}"); if !Command::new("git") .arg("clone") .arg(url) @@ -232,7 +234,7 @@ impl CrateSource { .expect("Failed to clone git repo!") .success() { - eprintln!("Failed to clone {} into {}", url, repo_path.display()) + eprintln!("Failed to clone {url} into {}", repo_path.display()); } } // check out the commit/branch/whatever @@ -245,7 +247,7 @@ impl CrateSource { .expect("Failed to check out commit") .success() { - eprintln!("Failed to checkout {} of repo at {}", commit, repo_path.display()) + eprintln!("Failed to checkout {commit} of repo at {}", repo_path.display()); } Crate { @@ -256,22 +258,22 @@ impl CrateSource { } }, CrateSource::Path { name, path, options } => { + fn is_cache_dir(entry: &DirEntry) -> bool { + std::fs::read(entry.path().join("CACHEDIR.TAG")) + .map(|x| x.starts_with(b"Signature: 8a477f597d28d172789f06886806bc55")) + .unwrap_or(false) + } + // copy path into the dest_crate_root but skip directories that contain a CACHEDIR.TAG file. // The target/ directory contains a CACHEDIR.TAG file so it is the most commonly skipped directory // as a result of this filter. let dest_crate_root = PathBuf::from(LINTCHECK_SOURCES).join(name); if dest_crate_root.exists() { - println!("Deleting existing directory at {:?}", dest_crate_root); + println!("Deleting existing directory at {dest_crate_root:?}"); std::fs::remove_dir_all(&dest_crate_root).unwrap(); } - println!("Copying {:?} to {:?}", path, dest_crate_root); - - fn is_cache_dir(entry: &DirEntry) -> bool { - std::fs::read(entry.path().join("CACHEDIR.TAG")) - .map(|x| x.starts_with(b"Signature: 8a477f597d28d172789f06886806bc55")) - .unwrap_or(false) - } + println!("Copying {path:?} to {dest_crate_root:?}"); for entry in WalkDir::new(path).into_iter().filter_entry(|e| !is_cache_dir(e)) { let entry = entry.unwrap(); @@ -301,6 +303,7 @@ impl CrateSource { impl Crate { /// Run `cargo clippy` on the `Crate` and collect and return all the lint warnings that clippy /// issued + #[allow(clippy::too_many_arguments)] fn run_clippy_lints( &self, cargo_clippy_path: &Path, @@ -345,14 +348,14 @@ impl Crate { clippy_args.push(opt); } } else { - clippy_args.extend(&["-Wclippy::pedantic", "-Wclippy::cargo"]) + clippy_args.extend(["-Wclippy::pedantic", "-Wclippy::cargo"]); } if lint_filter.is_empty() { clippy_args.push("--cap-lints=warn"); } else { clippy_args.push("--cap-lints=allow"); - clippy_args.extend(lint_filter.iter().map(|filter| filter.as_str())) + clippy_args.extend(lint_filter.iter().map(std::string::String::as_str)); } if let Some(server) = server { @@ -389,10 +392,7 @@ impl Crate { let all_output = Command::new(&cargo_clippy_path) // use the looping index to create individual target dirs - .env( - "CARGO_TARGET_DIR", - shared_target_dir.join(format!("_{:?}", thread_index)), - ) + .env("CARGO_TARGET_DIR", shared_target_dir.join(format!("_{thread_index:?}"))) .args(&cargo_clippy_args) .current_dir(&self.path) .output() @@ -422,8 +422,8 @@ impl Crate { { let subcrate = &stderr[63..]; println!( - "ERROR: failed to apply some suggetion to {} / to (sub)crate {}", - self.name, subcrate + "ERROR: failed to apply some suggetion to {} / to (sub)crate {subcrate}", + self.name ); } // fast path, we don't need the warnings anyway @@ -457,20 +457,16 @@ fn build_clippy() { /// Read a `lintcheck_crates.toml` file fn read_crates(toml_path: &Path) -> (Vec<CrateSource>, RecursiveOptions) { let toml_content: String = - std::fs::read_to_string(&toml_path).unwrap_or_else(|_| panic!("Failed to read {}", toml_path.display())); + std::fs::read_to_string(toml_path).unwrap_or_else(|_| panic!("Failed to read {}", toml_path.display())); let crate_list: SourceList = - toml::from_str(&toml_content).unwrap_or_else(|e| panic!("Failed to parse {}: \n{}", toml_path.display(), e)); + toml::from_str(&toml_content).unwrap_or_else(|e| panic!("Failed to parse {}: \n{e}", toml_path.display())); // parse the hashmap of the toml file into a list of crates - let tomlcrates: Vec<TomlCrate> = crate_list - .crates - .into_iter() - .map(|(_cratename, tomlcrate)| tomlcrate) - .collect(); + let tomlcrates: Vec<TomlCrate> = crate_list.crates.into_values().collect(); // flatten TomlCrates into CrateSources (one TomlCrates may represent several versions of a crate => // multiple Cratesources) let mut crate_sources = Vec::new(); - tomlcrates.into_iter().for_each(|tk| { + for tk in tomlcrates { if let Some(ref path) = tk.path { crate_sources.push(CrateSource::Path { name: tk.name.clone(), @@ -479,13 +475,13 @@ fn read_crates(toml_path: &Path) -> (Vec<CrateSource>, RecursiveOptions) { }); } else if let Some(ref versions) = tk.versions { // if we have multiple versions, save each one - versions.iter().for_each(|ver| { + for ver in versions.iter() { crate_sources.push(CrateSource::CratesIo { name: tk.name.clone(), version: ver.to_string(), options: tk.options.clone(), }); - }) + } } else if tk.git_url.is_some() && tk.git_hash.is_some() { // otherwise, we should have a git source crate_sources.push(CrateSource::Git { @@ -502,16 +498,19 @@ fn read_crates(toml_path: &Path) -> (Vec<CrateSource>, RecursiveOptions) { if tk.versions.is_some() && (tk.git_url.is_some() || tk.git_hash.is_some()) || tk.git_hash.is_some() != tk.git_url.is_some() { - eprintln!("tomlkrate: {:?}", tk); - if tk.git_hash.is_some() != tk.git_url.is_some() { - panic!("Error: Encountered TomlCrate with only one of git_hash and git_url!"); - } - if tk.path.is_some() && (tk.git_hash.is_some() || tk.versions.is_some()) { - panic!("Error: TomlCrate can only have one of 'git_.*', 'version' or 'path' fields"); - } + eprintln!("tomlkrate: {tk:?}"); + assert_eq!( + tk.git_hash.is_some(), + tk.git_url.is_some(), + "Error: Encountered TomlCrate with only one of git_hash and git_url!" + ); + assert!( + tk.path.is_none() || (tk.git_hash.is_none() && tk.versions.is_none()), + "Error: TomlCrate can only have one of 'git_.*', 'version' or 'path' fields" + ); unreachable!("Failed to translate TomlCrate into CrateSource!"); } - }); + } // sort the crates crate_sources.sort(); @@ -530,13 +529,13 @@ fn gather_stats(clippy_warnings: &[ClippyWarning]) -> (String, HashMap<&String, let mut stats: Vec<(&&String, &usize)> = counter.iter().map(|(lint, count)| (lint, count)).collect(); // sort by "000{count} {clippy::lintname}" // to not have a lint with 200 and 2 warnings take the same spot - stats.sort_by_key(|(lint, count)| format!("{:0>4}, {}", count, lint)); + stats.sort_by_key(|(lint, count)| format!("{count:0>4}, {lint}")); let mut header = String::from("| lint | count |\n"); header.push_str("| -------------------------------------------------- | ----- |\n"); let stats_string = stats .iter() - .map(|(lint, count)| format!("| {:<50} | {:>4} |\n", lint, count)) + .map(|(lint, count)| format!("| {lint:<50} | {count:>4} |\n")) .fold(header, |mut table, line| { table.push_str(&line); table @@ -573,6 +572,7 @@ fn lintcheck_needs_rerun(lintcheck_logs_path: &Path, paths: [&Path; 2]) -> bool logs_modified < clippy_modified } +#[allow(clippy::too_many_lines)] fn main() { // We're being executed as a `RUSTC_WRAPPER` as part of `--recursive` if let Ok(addr) = env::var("LINTCHECK_SERVER") { @@ -602,10 +602,10 @@ fn main() { ) { let shared_target_dir = "target/lintcheck/shared_target_dir"; // if we get an Err here, the shared target dir probably does simply not exist - if let Ok(metadata) = std::fs::metadata(&shared_target_dir) { + if let Ok(metadata) = std::fs::metadata(shared_target_dir) { if metadata.is_dir() { println!("Clippy is newer than lint check logs, clearing lintcheck shared target dir..."); - std::fs::remove_dir_all(&shared_target_dir) + std::fs::remove_dir_all(shared_target_dir) .expect("failed to remove target/lintcheck/shared_target_dir"); } } @@ -678,7 +678,7 @@ fn main() { .unwrap(); let server = config.recursive.then(|| { - let _ = fs::remove_dir_all("target/lintcheck/shared_target_dir/recursive"); + fs::remove_dir_all("target/lintcheck/shared_target_dir/recursive").unwrap_or_default(); LintcheckServer::spawn(recursive_options) }); @@ -734,8 +734,8 @@ fn main() { } write!(text, "{}", all_msgs.join("")).unwrap(); text.push_str("\n\n### ICEs:\n"); - for (cratename, msg) in ices.iter() { - let _ = write!(text, "{}: '{}'", cratename, msg); + for (cratename, msg) in &ices { + let _ = write!(text, "{cratename}: '{msg}'"); } println!("Writing logs to {}", config.lintcheck_results_path.display()); @@ -779,7 +779,7 @@ fn read_stats_from_file(file_path: &Path) -> HashMap<String, usize> { fn print_stats(old_stats: HashMap<String, usize>, new_stats: HashMap<&String, usize>, lint_filter: &Vec<String>) { let same_in_both_hashmaps = old_stats .iter() - .filter(|(old_key, old_val)| new_stats.get::<&String>(&old_key) == Some(old_val)) + .filter(|(old_key, old_val)| new_stats.get::<&String>(old_key) == Some(old_val)) .map(|(k, v)| (k.to_string(), *v)) .collect::<Vec<(String, usize)>>(); @@ -787,37 +787,37 @@ fn print_stats(old_stats: HashMap<String, usize>, new_stats: HashMap<&String, us let mut new_stats_deduped = new_stats; // remove duplicates from both hashmaps - same_in_both_hashmaps.iter().for_each(|(k, v)| { + for (k, v) in &same_in_both_hashmaps { assert!(old_stats_deduped.remove(k) == Some(*v)); assert!(new_stats_deduped.remove(k) == Some(*v)); - }); + } println!("\nStats:"); // list all new counts (key is in new stats but not in old stats) new_stats_deduped .iter() - .filter(|(new_key, _)| old_stats_deduped.get::<str>(&new_key).is_none()) + .filter(|(new_key, _)| old_stats_deduped.get::<str>(new_key).is_none()) .for_each(|(new_key, new_value)| { - println!("{} 0 => {}", new_key, new_value); + println!("{new_key} 0 => {new_value}"); }); // list all changed counts (key is in both maps but value differs) new_stats_deduped .iter() - .filter(|(new_key, _new_val)| old_stats_deduped.get::<str>(&new_key).is_some()) + .filter(|(new_key, _new_val)| old_stats_deduped.get::<str>(new_key).is_some()) .for_each(|(new_key, new_val)| { - let old_val = old_stats_deduped.get::<str>(&new_key).unwrap(); - println!("{} {} => {}", new_key, old_val, new_val); + let old_val = old_stats_deduped.get::<str>(new_key).unwrap(); + println!("{new_key} {old_val} => {new_val}"); }); // list all gone counts (key is in old status but not in new stats) old_stats_deduped .iter() - .filter(|(old_key, _)| new_stats_deduped.get::<&String>(&old_key).is_none()) + .filter(|(old_key, _)| new_stats_deduped.get::<&String>(old_key).is_none()) .filter(|(old_key, _)| lint_filter.is_empty() || lint_filter.contains(old_key)) .for_each(|(old_key, old_value)| { - println!("{} {} => 0", old_key, old_value); + println!("{old_key} {old_value} => 0"); }); } @@ -828,19 +828,21 @@ fn print_stats(old_stats: HashMap<String, usize>, new_stats: HashMap<&String, us /// This function panics if creating one of the dirs fails. fn create_dirs(krate_download_dir: &Path, extract_dir: &Path) { std::fs::create_dir("target/lintcheck/").unwrap_or_else(|err| { - if err.kind() != ErrorKind::AlreadyExists { - panic!("cannot create lintcheck target dir"); - } + assert_eq!( + err.kind(), + ErrorKind::AlreadyExists, + "cannot create lintcheck target dir" + ); }); - std::fs::create_dir(&krate_download_dir).unwrap_or_else(|err| { - if err.kind() != ErrorKind::AlreadyExists { - panic!("cannot create crate download dir"); - } + std::fs::create_dir(krate_download_dir).unwrap_or_else(|err| { + assert_eq!(err.kind(), ErrorKind::AlreadyExists, "cannot create crate download dir"); }); - std::fs::create_dir(&extract_dir).unwrap_or_else(|err| { - if err.kind() != ErrorKind::AlreadyExists { - panic!("cannot create crate extraction dir"); - } + std::fs::create_dir(extract_dir).unwrap_or_else(|err| { + assert_eq!( + err.kind(), + ErrorKind::AlreadyExists, + "cannot create crate extraction dir" + ); }); } @@ -863,7 +865,7 @@ fn lintcheck_test() { "lintcheck/test_sources.toml", ]; let status = std::process::Command::new("cargo") - .args(&args) + .args(args) .current_dir("..") // repo root .status(); //.output(); diff --git a/src/tools/clippy/lintcheck/src/recursive.rs b/src/tools/clippy/lintcheck/src/recursive.rs index 67dcfc2b199..49072e65192 100644 --- a/src/tools/clippy/lintcheck/src/recursive.rs +++ b/src/tools/clippy/lintcheck/src/recursive.rs @@ -1,7 +1,7 @@ //! In `--recursive` mode we set the `lintcheck` binary as the `RUSTC_WRAPPER` of `cargo check`, -//! this allows [crate::driver] to be run for every dependency. The driver connects to -//! [LintcheckServer] to ask if it should be skipped, and if not sends the stderr of running clippy -//! on the crate to the server +//! this allows [`crate::driver`] to be run for every dependency. The driver connects to +//! [`LintcheckServer`] to ask if it should be skipped, and if not sends the stderr of running +//! clippy on the crate to the server use crate::ClippyWarning; use crate::RecursiveOptions; @@ -109,8 +109,8 @@ impl LintcheckServer { Self { local_addr, - sender, receiver, + sender, } } diff --git a/src/tools/clippy/rust-toolchain b/src/tools/clippy/rust-toolchain index 49b13cb54e7..748d8a31716 100644 --- a/src/tools/clippy/rust-toolchain +++ b/src/tools/clippy/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2022-10-06" +channel = "nightly-2022-10-20" components = ["cargo", "llvm-tools-preview", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] diff --git a/src/tools/clippy/src/docs.rs b/src/tools/clippy/src/docs.rs index bd27bc7938f..c033ad294a3 100644 --- a/src/tools/clippy/src/docs.rs +++ b/src/tools/clippy/src/docs.rs @@ -28,6 +28,7 @@ docs! { "approx_constant", "arithmetic_side_effects", "as_conversions", + "as_ptr_cast_mut", "as_underscore", "assertions_on_constants", "assertions_on_result_states", @@ -60,6 +61,7 @@ docs! { "cast_enum_constructor", "cast_enum_truncation", "cast_lossless", + "cast_nan_to_int", "cast_possible_truncation", "cast_possible_wrap", "cast_precision_loss", @@ -257,6 +259,7 @@ docs! { "manual_async_fn", "manual_bits", "manual_clamp", + "manual_filter", "manual_filter_map", "manual_find", "manual_find_map", @@ -313,6 +316,7 @@ docs! { "missing_panics_doc", "missing_safety_doc", "missing_spin_loop", + "missing_trait_methods", "mistyped_literal_suffixes", "mixed_case_hex_literals", "mixed_read_write_in_expression", @@ -391,6 +395,7 @@ docs! { "panic", "panic_in_result_fn", "panicking_unwrap", + "partial_pub_fields", "partialeq_ne_impl", "partialeq_to_none", "path_buf_push_overwrite", @@ -553,6 +558,7 @@ docs! { "unseparated_literal_suffix", "unsound_collection_transmute", "unused_async", + "unused_format_specs", "unused_io_amount", "unused_peekable", "unused_rounding", diff --git a/src/tools/clippy/src/docs/as_ptr_cast_mut.txt b/src/tools/clippy/src/docs/as_ptr_cast_mut.txt new file mode 100644 index 00000000000..228dde996bb --- /dev/null +++ b/src/tools/clippy/src/docs/as_ptr_cast_mut.txt @@ -0,0 +1,19 @@ +### What it does +Checks for the result of a `&self`-taking `as_ptr` being cast to a mutable pointer + +### Why is this bad? +Since `as_ptr` takes a `&self`, the pointer won't have write permissions unless interior +mutability is used, making it unlikely that having it as a mutable pointer is correct. + +### Example +``` +let string = String::with_capacity(1); +let ptr = string.as_ptr() as *mut u8; +unsafe { ptr.write(4) }; // UNDEFINED BEHAVIOUR +``` +Use instead: +``` +let mut string = String::with_capacity(1); +let ptr = string.as_mut_ptr(); +unsafe { ptr.write(4) }; +``` \ No newline at end of file diff --git a/src/tools/clippy/src/docs/box_default.txt b/src/tools/clippy/src/docs/box_default.txt index ffac894d0c5..1c670c77333 100644 --- a/src/tools/clippy/src/docs/box_default.txt +++ b/src/tools/clippy/src/docs/box_default.txt @@ -7,12 +7,6 @@ First, it's more complex, involving two calls instead of one. Second, `Box::default()` can be faster [in certain cases](https://nnethercote.github.io/perf-book/standard-library-types.html#box). -### Known problems -The lint may miss some cases (e.g. Box::new(String::from(""))). -On the other hand, it will trigger on cases where the `default` -code comes from a macro that does something different based on -e.g. target operating system. - ### Example ``` let x: Box<String> = Box::new(Default::default()); diff --git a/src/tools/clippy/src/docs/cast_nan_to_int.txt b/src/tools/clippy/src/docs/cast_nan_to_int.txt new file mode 100644 index 00000000000..122f5da0c92 --- /dev/null +++ b/src/tools/clippy/src/docs/cast_nan_to_int.txt @@ -0,0 +1,15 @@ +### What it does +Checks for a known NaN float being cast to an integer + +### Why is this bad? +NaNs are cast into zero, so one could simply use this and make the +code more readable. The lint could also hint at a programmer error. + +### Example +``` +let _: (0.0_f32 / 0.0) as u64; +``` +Use instead: +``` +let _: = 0_u64; +``` \ No newline at end of file diff --git a/src/tools/clippy/src/docs/manual_filter.txt b/src/tools/clippy/src/docs/manual_filter.txt new file mode 100644 index 00000000000..19a4d9319d9 --- /dev/null +++ b/src/tools/clippy/src/docs/manual_filter.txt @@ -0,0 +1,21 @@ +### What it does +Checks for usages of `match` which could be implemented using `filter` + +### Why is this bad? +Using the `filter` method is clearer and more concise. + +### Example +``` +match Some(0) { + Some(x) => if x % 2 == 0 { + Some(x) + } else { + None + }, + None => None, +}; +``` +Use instead: +``` +Some(0).filter(|&x| x % 2 == 0); +``` \ No newline at end of file diff --git a/src/tools/clippy/src/docs/missing_trait_methods.txt b/src/tools/clippy/src/docs/missing_trait_methods.txt new file mode 100644 index 00000000000..788ad764f8c --- /dev/null +++ b/src/tools/clippy/src/docs/missing_trait_methods.txt @@ -0,0 +1,40 @@ +### What it does +Checks if a provided method is used implicitly by a trait +implementation. A usage example would be a wrapper where every method +should perform some operation before delegating to the inner type's +implemenation. + +This lint should typically be enabled on a specific trait `impl` item +rather than globally. + +### Why is this bad? +Indicates that a method is missing. + +### Example +``` +trait Trait { + fn required(); + + fn provided() {} +} + +#[warn(clippy::missing_trait_methods)] +impl Trait for Type { + fn required() { /* ... */ } +} +``` +Use instead: +``` +trait Trait { + fn required(); + + fn provided() {} +} + +#[warn(clippy::missing_trait_methods)] +impl Trait for Type { + fn required() { /* ... */ } + + fn provided() { /* ... */ } +} +``` \ No newline at end of file diff --git a/src/tools/clippy/src/docs/partial_pub_fields.txt b/src/tools/clippy/src/docs/partial_pub_fields.txt new file mode 100644 index 00000000000..b529adf1547 --- /dev/null +++ b/src/tools/clippy/src/docs/partial_pub_fields.txt @@ -0,0 +1,27 @@ +### What it does +Checks whether partial fields of a struct are public. + +Either make all fields of a type public, or make none of them public + +### Why is this bad? +Most types should either be: +* Abstract data types: complex objects with opaque implementation which guard +interior invariants and expose intentionally limited API to the outside world. +* Data: relatively simple objects which group a bunch of related attributes together. + +### Example +``` +pub struct Color { + pub r: u8, + pub g: u8, + b: u8, +} +``` +Use instead: +``` +pub struct Color { + pub r: u8, + pub g: u8, + pub b: u8, +} +``` \ No newline at end of file diff --git a/src/tools/clippy/src/docs/unused_format_specs.txt b/src/tools/clippy/src/docs/unused_format_specs.txt new file mode 100644 index 00000000000..77be3a2fb17 --- /dev/null +++ b/src/tools/clippy/src/docs/unused_format_specs.txt @@ -0,0 +1,24 @@ +### What it does +Detects [formatting parameters] that have no effect on the output of +`format!()`, `println!()` or similar macros. + +### Why is this bad? +Shorter format specifiers are easier to read, it may also indicate that +an expected formatting operation such as adding padding isn't happening. + +### Example +``` +println!("{:.}", 1.0); + +println!("not padded: {:5}", format_args!("...")); +``` +Use instead: +``` +println!("{}", 1.0); + +println!("not padded: {}", format_args!("...")); +// OR +println!("padded: {:5}", format!("...")); +``` + +[formatting parameters]: https://doc.rust-lang.org/std/fmt/index.html#formatting-parameters \ No newline at end of file diff --git a/src/tools/clippy/tests/compile-test.rs b/src/tools/clippy/tests/compile-test.rs index fa769222d1a..c10ee969c01 100644 --- a/src/tools/clippy/tests/compile-test.rs +++ b/src/tools/clippy/tests/compile-test.rs @@ -283,7 +283,7 @@ fn run_ui_cargo() { env::set_current_dir(&src_path)?; let cargo_toml_path = case.path().join("Cargo.toml"); - let cargo_content = fs::read(&cargo_toml_path)?; + let cargo_content = fs::read(cargo_toml_path)?; let cargo_parsed: toml::Value = toml::from_str( std::str::from_utf8(&cargo_content).expect("`Cargo.toml` is not a valid utf-8 file!"), ) diff --git a/src/tools/clippy/tests/dogfood.rs b/src/tools/clippy/tests/dogfood.rs index 961525bbd91..6d0022f7a5c 100644 --- a/src/tools/clippy/tests/dogfood.rs +++ b/src/tools/clippy/tests/dogfood.rs @@ -20,7 +20,14 @@ fn dogfood_clippy() { } // "" is the root package - for package in &["", "clippy_dev", "clippy_lints", "clippy_utils", "rustc_tools_util"] { + for package in &[ + "", + "clippy_dev", + "clippy_lints", + "clippy_utils", + "lintcheck", + "rustc_tools_util", + ] { run_clippy_for_package(package, &["-D", "clippy::all", "-D", "clippy::pedantic"]); } } diff --git a/src/tools/clippy/tests/ui-internal/custom_ice_message.stderr b/src/tools/clippy/tests/ui-internal/custom_ice_message.stderr index a1b8e2ee162..07c5941013c 100644 --- a/src/tools/clippy/tests/ui-internal/custom_ice_message.stderr +++ b/src/tools/clippy/tests/ui-internal/custom_ice_message.stderr @@ -1,4 +1,4 @@ -thread 'rustc' panicked at 'Would you like some help with that?', clippy_lints/src/utils/internal_lints.rs +thread 'rustc' panicked at 'Would you like some help with that?', clippy_lints/src/utils/internal_lints/produce_ice.rs:28:9 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace error: internal compiler error: unexpected panic diff --git a/src/tools/clippy/tests/ui-internal/invalid_paths.rs b/src/tools/clippy/tests/ui-internal/invalid_paths.rs index b823ff7fe37..9a9790a4bae 100644 --- a/src/tools/clippy/tests/ui-internal/invalid_paths.rs +++ b/src/tools/clippy/tests/ui-internal/invalid_paths.rs @@ -1,5 +1,5 @@ #![warn(clippy::internal)] -#![allow(clippy::missing_clippy_version_attribute)] +#![allow(clippy::missing_clippy_version_attribute, clippy::unnecessary_def_path)] mod paths { // Good path diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed index 4c050332f2c..cbbb4652306 100644 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.fixed @@ -28,9 +28,9 @@ use rustc_hir::Expr; use rustc_lint::LateContext; use rustc_middle::ty::Ty; -#[allow(unused)] +#[allow(unused, clippy::unnecessary_def_path)] static OPTION: [&str; 3] = ["core", "option", "Option"]; -#[allow(unused)] +#[allow(unused, clippy::unnecessary_def_path)] const RESULT: &[&str] = &["core", "result", "Result"]; fn _f<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, did: DefId, expr: &Expr<'_>) { @@ -38,7 +38,7 @@ fn _f<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, did: DefId, expr: &Expr<'_>) { let _ = is_type_diagnostic_item(cx, ty, sym::Result); let _ = is_type_diagnostic_item(cx, ty, sym::Result); - #[allow(unused)] + #[allow(unused, clippy::unnecessary_def_path)] let rc_path = &["alloc", "rc", "Rc"]; let _ = is_type_diagnostic_item(cx, ty, sym::Rc); diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs index 6506f1f164a..f17fed6c653 100644 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path.rs @@ -28,9 +28,9 @@ use rustc_hir::Expr; use rustc_lint::LateContext; use rustc_middle::ty::Ty; -#[allow(unused)] +#[allow(unused, clippy::unnecessary_def_path)] static OPTION: [&str; 3] = ["core", "option", "Option"]; -#[allow(unused)] +#[allow(unused, clippy::unnecessary_def_path)] const RESULT: &[&str] = &["core", "result", "Result"]; fn _f<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, did: DefId, expr: &Expr<'_>) { @@ -38,7 +38,7 @@ fn _f<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>, did: DefId, expr: &Expr<'_>) { let _ = match_type(cx, ty, RESULT); let _ = match_type(cx, ty, &["core", "result", "Result"]); - #[allow(unused)] + #[allow(unused, clippy::unnecessary_def_path)] let rc_path = &["alloc", "rc", "Rc"]; let _ = clippy_utils::ty::match_type(cx, ty, rc_path); diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.rs b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.rs new file mode 100644 index 00000000000..b5ff3a54205 --- /dev/null +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.rs @@ -0,0 +1,16 @@ +#![feature(rustc_private)] +#![allow(unused)] +#![warn(clippy::unnecessary_def_path)] + +extern crate rustc_hir; + +use rustc_hir::LangItem; + +fn main() { + const DEREF_TRAIT: [&str; 4] = ["core", "ops", "deref", "Deref"]; + const DEREF_MUT_TRAIT: [&str; 4] = ["core", "ops", "deref", "DerefMut"]; + const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; + + // Don't lint, not yet a diagnostic or language item + const DEREF_MUT_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "DerefMut", "deref_mut"]; +} diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr new file mode 100644 index 00000000000..af46d87bf67 --- /dev/null +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr @@ -0,0 +1,27 @@ +error: hardcoded path to a language item + --> $DIR/unnecessary_def_path_hardcoded_path.rs:11:40 + | +LL | const DEREF_MUT_TRAIT: [&str; 4] = ["core", "ops", "deref", "DerefMut"]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: convert all references to use `LangItem::DerefMut` + = note: `-D clippy::unnecessary-def-path` implied by `-D warnings` + +error: hardcoded path to a diagnostic item + --> $DIR/unnecessary_def_path_hardcoded_path.rs:12:43 + | +LL | const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: convert all references to use `sym::deref_method` + +error: hardcoded path to a diagnostic item + --> $DIR/unnecessary_def_path_hardcoded_path.rs:10:36 + | +LL | const DEREF_TRAIT: [&str; 4] = ["core", "ops", "deref", "Deref"]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: convert all references to use `sym::Deref` + +error: aborting due to 3 previous errors + diff --git a/src/tools/clippy/tests/ui/as_ptr_cast_mut.rs b/src/tools/clippy/tests/ui/as_ptr_cast_mut.rs new file mode 100644 index 00000000000..0d1d9258433 --- /dev/null +++ b/src/tools/clippy/tests/ui/as_ptr_cast_mut.rs @@ -0,0 +1,37 @@ +#![allow(unused)] +#![warn(clippy::as_ptr_cast_mut)] +#![allow(clippy::wrong_self_convention)] + +struct MutPtrWrapper(Vec<u8>); +impl MutPtrWrapper { + fn as_ptr(&mut self) -> *const u8 { + self.0.as_mut_ptr() as *const u8 + } +} + +struct Covariant<T>(*const T); +impl<T> Covariant<T> { + fn as_ptr(self) -> *const T { + self.0 + } +} + +fn main() { + let mut string = String::new(); + let _ = string.as_ptr() as *mut u8; + let _: *mut i8 = string.as_ptr() as *mut _; + let _ = string.as_ptr() as *const i8; + let _ = string.as_mut_ptr(); + let _ = string.as_mut_ptr() as *mut u8; + let _ = string.as_mut_ptr() as *const u8; + + let nn = std::ptr::NonNull::new(4 as *mut u8).unwrap(); + let _ = nn.as_ptr() as *mut u8; + + let mut wrap = MutPtrWrapper(Vec::new()); + let _ = wrap.as_ptr() as *mut u8; + + let mut local = 4; + let ref_with_write_perm = Covariant(std::ptr::addr_of_mut!(local) as *const _); + let _ = ref_with_write_perm.as_ptr() as *mut u8; +} diff --git a/src/tools/clippy/tests/ui/as_ptr_cast_mut.stderr b/src/tools/clippy/tests/ui/as_ptr_cast_mut.stderr new file mode 100644 index 00000000000..2189c3d2f85 --- /dev/null +++ b/src/tools/clippy/tests/ui/as_ptr_cast_mut.stderr @@ -0,0 +1,16 @@ +error: casting the result of `as_ptr` to *mut u8 + --> $DIR/as_ptr_cast_mut.rs:21:13 + | +LL | let _ = string.as_ptr() as *mut u8; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `string.as_mut_ptr()` + | + = note: `-D clippy::as-ptr-cast-mut` implied by `-D warnings` + +error: casting the result of `as_ptr` to *mut i8 + --> $DIR/as_ptr_cast_mut.rs:22:22 + | +LL | let _: *mut i8 = string.as_ptr() as *mut _; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `string.as_mut_ptr()` + +error: aborting due to 2 previous errors + diff --git a/src/tools/clippy/tests/ui/author.stdout b/src/tools/clippy/tests/ui/author.stdout index 597318a556b..27ad538f24d 100644 --- a/src/tools/clippy/tests/ui/author.stdout +++ b/src/tools/clippy/tests/ui/author.stdout @@ -1,14 +1,12 @@ -if_chain! { - if let StmtKind::Local(local) = stmt.kind; - if let Some(init) = local.init; - if let ExprKind::Cast(expr, cast_ty) = init.kind; - if let TyKind::Path(ref qpath) = cast_ty.kind; - if match_qpath(qpath, &["char"]); - if let ExprKind::Lit(ref lit) = expr.kind; - if let LitKind::Int(69, LitIntType::Unsuffixed) = lit.node; - if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind; - if name.as_str() == "x"; - then { - // report your lint here - } +if let StmtKind::Local(local) = stmt.kind + && let Some(init) = local.init + && let ExprKind::Cast(expr, cast_ty) = init.kind + && let TyKind::Path(ref qpath) = cast_ty.kind + && match_qpath(qpath, &["char"]) + && let ExprKind::Lit(ref lit) = expr.kind + && let LitKind::Int(69, LitIntType::Unsuffixed) = lit.node + && let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind + && name.as_str() == "x" +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/blocks.stdout b/src/tools/clippy/tests/ui/author/blocks.stdout index a529981e2e6..9de0550d81d 100644 --- a/src/tools/clippy/tests/ui/author/blocks.stdout +++ b/src/tools/clippy/tests/ui/author/blocks.stdout @@ -1,64 +1,58 @@ -if_chain! { - if let ExprKind::Block(block, None) = expr.kind; - if block.stmts.len() == 3; - if let StmtKind::Local(local) = block.stmts[0].kind; - if let Some(init) = local.init; - if let ExprKind::Lit(ref lit) = init.kind; - if let LitKind::Int(42, LitIntType::Signed(IntTy::I32)) = lit.node; - if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind; - if name.as_str() == "x"; - if let StmtKind::Local(local1) = block.stmts[1].kind; - if let Some(init1) = local1.init; - if let ExprKind::Lit(ref lit1) = init1.kind; - if let LitKind::Float(_, LitFloatType::Suffixed(FloatTy::F32)) = lit1.node; - if let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local1.pat.kind; - if name1.as_str() == "_t"; - if let StmtKind::Semi(e) = block.stmts[2].kind; - if let ExprKind::Unary(UnOp::Neg, inner) = e.kind; - if let ExprKind::Path(ref qpath) = inner.kind; - if match_qpath(qpath, &["x"]); - if block.expr.is_none(); - then { - // report your lint here - } +if let ExprKind::Block(block, None) = expr.kind + && block.stmts.len() == 3 + && let StmtKind::Local(local) = block.stmts[0].kind + && let Some(init) = local.init + && let ExprKind::Lit(ref lit) = init.kind + && let LitKind::Int(42, LitIntType::Signed(IntTy::I32)) = lit.node + && let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind + && name.as_str() == "x" + && let StmtKind::Local(local1) = block.stmts[1].kind + && let Some(init1) = local1.init + && let ExprKind::Lit(ref lit1) = init1.kind + && let LitKind::Float(_, LitFloatType::Suffixed(FloatTy::F32)) = lit1.node + && let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local1.pat.kind + && name1.as_str() == "_t" + && let StmtKind::Semi(e) = block.stmts[2].kind + && let ExprKind::Unary(UnOp::Neg, inner) = e.kind + && let ExprKind::Path(ref qpath) = inner.kind + && match_qpath(qpath, &["x"]) + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let ExprKind::Block(block, None) = expr.kind; - if block.stmts.len() == 1; - if let StmtKind::Local(local) = block.stmts[0].kind; - if let Some(init) = local.init; - if let ExprKind::Call(func, args) = init.kind; - if let ExprKind::Path(ref qpath) = func.kind; - if match_qpath(qpath, &["String", "new"]); - if args.is_empty(); - if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind; - if name.as_str() == "expr"; - if let Some(trailing_expr) = block.expr; - if let ExprKind::Call(func1, args1) = trailing_expr.kind; - if let ExprKind::Path(ref qpath1) = func1.kind; - if match_qpath(qpath1, &["drop"]); - if args1.len() == 1; - if let ExprKind::Path(ref qpath2) = args1[0].kind; - if match_qpath(qpath2, &["expr"]); - then { - // report your lint here - } +if let ExprKind::Block(block, None) = expr.kind + && block.stmts.len() == 1 + && let StmtKind::Local(local) = block.stmts[0].kind + && let Some(init) = local.init + && let ExprKind::Call(func, args) = init.kind + && let ExprKind::Path(ref qpath) = func.kind + && match_qpath(qpath, &["String", "new"]) + && args.is_empty() + && let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local.pat.kind + && name.as_str() == "expr" + && let Some(trailing_expr) = block.expr + && let ExprKind::Call(func1, args1) = trailing_expr.kind + && let ExprKind::Path(ref qpath1) = func1.kind + && match_qpath(qpath1, &["drop"]) + && args1.len() == 1 + && let ExprKind::Path(ref qpath2) = args1[0].kind + && match_qpath(qpath2, &["expr"]) +{ + // report your lint here } -if_chain! { - if let ExprKind::Closure(CaptureBy::Value, fn_decl, body_id, _, None) = expr.kind; - if let FnRetTy::DefaultReturn(_) = fn_decl.output; - let expr1 = &cx.tcx.hir().body(body_id).value; - if let ExprKind::Call(func, args) = expr1.kind; - if let ExprKind::Path(ref qpath) = func.kind; - if matches!(qpath, QPath::LangItem(LangItem::FromGenerator, _)); - if args.len() == 1; - if let ExprKind::Closure(CaptureBy::Value, fn_decl1, body_id1, _, Some(Movability::Static)) = args[0].kind; - if let FnRetTy::DefaultReturn(_) = fn_decl1.output; - let expr2 = &cx.tcx.hir().body(body_id1).value; - if let ExprKind::Block(block, None) = expr2.kind; - if block.stmts.is_empty(); - if block.expr.is_none(); - then { - // report your lint here - } +if let ExprKind::Closure(CaptureBy::Value, fn_decl, body_id, _, None) = expr.kind + && let FnRetTy::DefaultReturn(_) = fn_decl.output + && expr1 = &cx.tcx.hir().body(body_id).value + && let ExprKind::Call(func, args) = expr1.kind + && let ExprKind::Path(ref qpath) = func.kind + && matches!(qpath, QPath::LangItem(LangItem::FromGenerator, _)) + && args.len() == 1 + && let ExprKind::Closure(CaptureBy::Value, fn_decl1, body_id1, _, Some(Movability::Static)) = args[0].kind + && let FnRetTy::DefaultReturn(_) = fn_decl1.output + && expr2 = &cx.tcx.hir().body(body_id1).value + && let ExprKind::Block(block, None) = expr2.kind + && block.stmts.is_empty() + && block.expr.is_none() +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/call.stdout b/src/tools/clippy/tests/ui/author/call.stdout index 266312d63e5..f040f6330a6 100644 --- a/src/tools/clippy/tests/ui/author/call.stdout +++ b/src/tools/clippy/tests/ui/author/call.stdout @@ -1,16 +1,14 @@ -if_chain! { - if let StmtKind::Local(local) = stmt.kind; - if let Some(init) = local.init; - if let ExprKind::Call(func, args) = init.kind; - if let ExprKind::Path(ref qpath) = func.kind; - if match_qpath(qpath, &["{{root}}", "std", "cmp", "min"]); - if args.len() == 2; - if let ExprKind::Lit(ref lit) = args[0].kind; - if let LitKind::Int(3, LitIntType::Unsuffixed) = lit.node; - if let ExprKind::Lit(ref lit1) = args[1].kind; - if let LitKind::Int(4, LitIntType::Unsuffixed) = lit1.node; - if let PatKind::Wild = local.pat.kind; - then { - // report your lint here - } +if let StmtKind::Local(local) = stmt.kind + && let Some(init) = local.init + && let ExprKind::Call(func, args) = init.kind + && let ExprKind::Path(ref qpath) = func.kind + && match_qpath(qpath, &["{{root}}", "std", "cmp", "min"]) + && args.len() == 2 + && let ExprKind::Lit(ref lit) = args[0].kind + && let LitKind::Int(3, LitIntType::Unsuffixed) = lit.node + && let ExprKind::Lit(ref lit1) = args[1].kind + && let LitKind::Int(4, LitIntType::Unsuffixed) = lit1.node + && let PatKind::Wild = local.pat.kind +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/if.stdout b/src/tools/clippy/tests/ui/author/if.stdout index 8d92849b366..5d79618820d 100644 --- a/src/tools/clippy/tests/ui/author/if.stdout +++ b/src/tools/clippy/tests/ui/author/if.stdout @@ -1,50 +1,46 @@ -if_chain! { - if let StmtKind::Local(local) = stmt.kind; - if let Some(init) = local.init; - if let ExprKind::If(cond, then, Some(else_expr)) = init.kind; - if let ExprKind::DropTemps(expr) = cond.kind; - if let ExprKind::Lit(ref lit) = expr.kind; - if let LitKind::Bool(true) = lit.node; - if let ExprKind::Block(block, None) = then.kind; - if block.stmts.len() == 1; - if let StmtKind::Semi(e) = block.stmts[0].kind; - if let ExprKind::Binary(op, left, right) = e.kind; - if BinOpKind::Eq == op.node; - if let ExprKind::Lit(ref lit1) = left.kind; - if let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node; - if let ExprKind::Lit(ref lit2) = right.kind; - if let LitKind::Int(1, LitIntType::Unsuffixed) = lit2.node; - if block.expr.is_none(); - if let ExprKind::Block(block1, None) = else_expr.kind; - if block1.stmts.len() == 1; - if let StmtKind::Semi(e1) = block1.stmts[0].kind; - if let ExprKind::Binary(op1, left1, right1) = e1.kind; - if BinOpKind::Eq == op1.node; - if let ExprKind::Lit(ref lit3) = left1.kind; - if let LitKind::Int(2, LitIntType::Unsuffixed) = lit3.node; - if let ExprKind::Lit(ref lit4) = right1.kind; - if let LitKind::Int(2, LitIntType::Unsuffixed) = lit4.node; - if block1.expr.is_none(); - if let PatKind::Wild = local.pat.kind; - then { - // report your lint here - } +if let StmtKind::Local(local) = stmt.kind + && let Some(init) = local.init + && let ExprKind::If(cond, then, Some(else_expr)) = init.kind + && let ExprKind::DropTemps(expr) = cond.kind + && let ExprKind::Lit(ref lit) = expr.kind + && let LitKind::Bool(true) = lit.node + && let ExprKind::Block(block, None) = then.kind + && block.stmts.len() == 1 + && let StmtKind::Semi(e) = block.stmts[0].kind + && let ExprKind::Binary(op, left, right) = e.kind + && BinOpKind::Eq == op.node + && let ExprKind::Lit(ref lit1) = left.kind + && let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node + && let ExprKind::Lit(ref lit2) = right.kind + && let LitKind::Int(1, LitIntType::Unsuffixed) = lit2.node + && block.expr.is_none() + && let ExprKind::Block(block1, None) = else_expr.kind + && block1.stmts.len() == 1 + && let StmtKind::Semi(e1) = block1.stmts[0].kind + && let ExprKind::Binary(op1, left1, right1) = e1.kind + && BinOpKind::Eq == op1.node + && let ExprKind::Lit(ref lit3) = left1.kind + && let LitKind::Int(2, LitIntType::Unsuffixed) = lit3.node + && let ExprKind::Lit(ref lit4) = right1.kind + && let LitKind::Int(2, LitIntType::Unsuffixed) = lit4.node + && block1.expr.is_none() + && let PatKind::Wild = local.pat.kind +{ + // report your lint here } -if_chain! { - if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind; - if let ExprKind::Let(let_expr) = cond.kind; - if let PatKind::Lit(lit_expr) = let_expr.pat.kind; - if let ExprKind::Lit(ref lit) = lit_expr.kind; - if let LitKind::Bool(true) = lit.node; - if let ExprKind::Path(ref qpath) = let_expr.init.kind; - if match_qpath(qpath, &["a"]); - if let ExprKind::Block(block, None) = then.kind; - if block.stmts.is_empty(); - if block.expr.is_none(); - if let ExprKind::Block(block1, None) = else_expr.kind; - if block1.stmts.is_empty(); - if block1.expr.is_none(); - then { - // report your lint here - } +if let ExprKind::If(cond, then, Some(else_expr)) = expr.kind + && let ExprKind::Let(let_expr) = cond.kind + && let PatKind::Lit(lit_expr) = let_expr.pat.kind + && let ExprKind::Lit(ref lit) = lit_expr.kind + && let LitKind::Bool(true) = lit.node + && let ExprKind::Path(ref qpath) = let_expr.init.kind + && match_qpath(qpath, &["a"]) + && let ExprKind::Block(block, None) = then.kind + && block.stmts.is_empty() + && block.expr.is_none() + && let ExprKind::Block(block1, None) = else_expr.kind + && block1.stmts.is_empty() + && block1.expr.is_none() +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/issue_3849.stdout b/src/tools/clippy/tests/ui/author/issue_3849.stdout index bce4bc70273..32a3127b85a 100644 --- a/src/tools/clippy/tests/ui/author/issue_3849.stdout +++ b/src/tools/clippy/tests/ui/author/issue_3849.stdout @@ -1,14 +1,12 @@ -if_chain! { - if let StmtKind::Local(local) = stmt.kind; - if let Some(init) = local.init; - if let ExprKind::Call(func, args) = init.kind; - if let ExprKind::Path(ref qpath) = func.kind; - if match_qpath(qpath, &["std", "mem", "transmute"]); - if args.len() == 1; - if let ExprKind::Path(ref qpath1) = args[0].kind; - if match_qpath(qpath1, &["ZPTR"]); - if let PatKind::Wild = local.pat.kind; - then { - // report your lint here - } +if let StmtKind::Local(local) = stmt.kind + && let Some(init) = local.init + && let ExprKind::Call(func, args) = init.kind + && let ExprKind::Path(ref qpath) = func.kind + && match_qpath(qpath, &["std", "mem", "transmute"]) + && args.len() == 1 + && let ExprKind::Path(ref qpath1) = args[0].kind + && match_qpath(qpath1, &["ZPTR"]) + && let PatKind::Wild = local.pat.kind +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/loop.stdout b/src/tools/clippy/tests/ui/author/loop.stdout index ceb53fcd496..94a6436ed54 100644 --- a/src/tools/clippy/tests/ui/author/loop.stdout +++ b/src/tools/clippy/tests/ui/author/loop.stdout @@ -1,113 +1,101 @@ -if_chain! { - if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr); - if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = pat.kind; - if name.as_str() == "y"; - if let ExprKind::Struct(qpath, fields, None) = arg.kind; - if matches!(qpath, QPath::LangItem(LangItem::Range, _)); - if fields.len() == 2; - if fields[0].ident.as_str() == "start"; - if let ExprKind::Lit(ref lit) = fields[0].expr.kind; - if let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node; - if fields[1].ident.as_str() == "end"; - if let ExprKind::Lit(ref lit1) = fields[1].expr.kind; - if let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node; - if let ExprKind::Block(block, None) = body.kind; - if block.stmts.len() == 1; - if let StmtKind::Local(local) = block.stmts[0].kind; - if let Some(init) = local.init; - if let ExprKind::Path(ref qpath1) = init.kind; - if match_qpath(qpath1, &["y"]); - if let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind; - if name1.as_str() == "z"; - if block.expr.is_none(); - then { - // report your lint here - } +if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr) + && let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = pat.kind + && name.as_str() == "y" + && let ExprKind::Struct(qpath, fields, None) = arg.kind + && matches!(qpath, QPath::LangItem(LangItem::Range, _)) + && fields.len() == 2 + && fields[0].ident.as_str() == "start" + && let ExprKind::Lit(ref lit) = fields[0].expr.kind + && let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node + && fields[1].ident.as_str() == "end" + && let ExprKind::Lit(ref lit1) = fields[1].expr.kind + && let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node + && let ExprKind::Block(block, None) = body.kind + && block.stmts.len() == 1 + && let StmtKind::Local(local) = block.stmts[0].kind + && let Some(init) = local.init + && let ExprKind::Path(ref qpath1) = init.kind + && match_qpath(qpath1, &["y"]) + && let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind + && name1.as_str() == "z" + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr); - if let PatKind::Wild = pat.kind; - if let ExprKind::Struct(qpath, fields, None) = arg.kind; - if matches!(qpath, QPath::LangItem(LangItem::Range, _)); - if fields.len() == 2; - if fields[0].ident.as_str() == "start"; - if let ExprKind::Lit(ref lit) = fields[0].expr.kind; - if let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node; - if fields[1].ident.as_str() == "end"; - if let ExprKind::Lit(ref lit1) = fields[1].expr.kind; - if let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node; - if let ExprKind::Block(block, None) = body.kind; - if block.stmts.len() == 1; - if let StmtKind::Semi(e) = block.stmts[0].kind; - if let ExprKind::Break(destination, None) = e.kind; - if destination.label.is_none(); - if block.expr.is_none(); - then { - // report your lint here - } +if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr) + && let PatKind::Wild = pat.kind + && let ExprKind::Struct(qpath, fields, None) = arg.kind + && matches!(qpath, QPath::LangItem(LangItem::Range, _)) + && fields.len() == 2 + && fields[0].ident.as_str() == "start" + && let ExprKind::Lit(ref lit) = fields[0].expr.kind + && let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node + && fields[1].ident.as_str() == "end" + && let ExprKind::Lit(ref lit1) = fields[1].expr.kind + && let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node + && let ExprKind::Block(block, None) = body.kind + && block.stmts.len() == 1 + && let StmtKind::Semi(e) = block.stmts[0].kind + && let ExprKind::Break(destination, None) = e.kind + && destination.label.is_none() + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr); - if let PatKind::Wild = pat.kind; - if let ExprKind::Struct(qpath, fields, None) = arg.kind; - if matches!(qpath, QPath::LangItem(LangItem::Range, _)); - if fields.len() == 2; - if fields[0].ident.as_str() == "start"; - if let ExprKind::Lit(ref lit) = fields[0].expr.kind; - if let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node; - if fields[1].ident.as_str() == "end"; - if let ExprKind::Lit(ref lit1) = fields[1].expr.kind; - if let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node; - if let ExprKind::Block(block, None) = body.kind; - if block.stmts.len() == 1; - if let StmtKind::Semi(e) = block.stmts[0].kind; - if let ExprKind::Break(destination, None) = e.kind; - if let Some(label) = destination.label; - if label.ident.as_str() == "'label"; - if block.expr.is_none(); - then { - // report your lint here - } +if let Some(higher::ForLoop { pat: pat, arg: arg, body: body, .. }) = higher::ForLoop::hir(expr) + && let PatKind::Wild = pat.kind + && let ExprKind::Struct(qpath, fields, None) = arg.kind + && matches!(qpath, QPath::LangItem(LangItem::Range, _)) + && fields.len() == 2 + && fields[0].ident.as_str() == "start" + && let ExprKind::Lit(ref lit) = fields[0].expr.kind + && let LitKind::Int(0, LitIntType::Unsuffixed) = lit.node + && fields[1].ident.as_str() == "end" + && let ExprKind::Lit(ref lit1) = fields[1].expr.kind + && let LitKind::Int(10, LitIntType::Unsuffixed) = lit1.node + && let ExprKind::Block(block, None) = body.kind + && block.stmts.len() == 1 + && let StmtKind::Semi(e) = block.stmts[0].kind + && let ExprKind::Break(destination, None) = e.kind + && let Some(label) = destination.label + && label.ident.as_str() == "'label" + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let Some(higher::While { condition: condition, body: body }) = higher::While::hir(expr); - if let ExprKind::Path(ref qpath) = condition.kind; - if match_qpath(qpath, &["a"]); - if let ExprKind::Block(block, None) = body.kind; - if block.stmts.len() == 1; - if let StmtKind::Semi(e) = block.stmts[0].kind; - if let ExprKind::Break(destination, None) = e.kind; - if destination.label.is_none(); - if block.expr.is_none(); - then { - // report your lint here - } +if let Some(higher::While { condition: condition, body: body }) = higher::While::hir(expr) + && let ExprKind::Path(ref qpath) = condition.kind + && match_qpath(qpath, &["a"]) + && let ExprKind::Block(block, None) = body.kind + && block.stmts.len() == 1 + && let StmtKind::Semi(e) = block.stmts[0].kind + && let ExprKind::Break(destination, None) = e.kind + && destination.label.is_none() + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let Some(higher::WhileLet { let_pat: let_pat, let_expr: let_expr, if_then: if_then }) = higher::WhileLet::hir(expr); - if let PatKind::Lit(lit_expr) = let_pat.kind; - if let ExprKind::Lit(ref lit) = lit_expr.kind; - if let LitKind::Bool(true) = lit.node; - if let ExprKind::Path(ref qpath) = let_expr.kind; - if match_qpath(qpath, &["a"]); - if let ExprKind::Block(block, None) = if_then.kind; - if block.stmts.len() == 1; - if let StmtKind::Semi(e) = block.stmts[0].kind; - if let ExprKind::Break(destination, None) = e.kind; - if destination.label.is_none(); - if block.expr.is_none(); - then { - // report your lint here - } +if let Some(higher::WhileLet { let_pat: let_pat, let_expr: let_expr, if_then: if_then }) = higher::WhileLet::hir(expr) + && let PatKind::Lit(lit_expr) = let_pat.kind + && let ExprKind::Lit(ref lit) = lit_expr.kind + && let LitKind::Bool(true) = lit.node + && let ExprKind::Path(ref qpath) = let_expr.kind + && match_qpath(qpath, &["a"]) + && let ExprKind::Block(block, None) = if_then.kind + && block.stmts.len() == 1 + && let StmtKind::Semi(e) = block.stmts[0].kind + && let ExprKind::Break(destination, None) = e.kind + && destination.label.is_none() + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let ExprKind::Loop(body, None, LoopSource::Loop, _) = expr.kind; - if body.stmts.len() == 1; - if let StmtKind::Semi(e) = body.stmts[0].kind; - if let ExprKind::Break(destination, None) = e.kind; - if destination.label.is_none(); - if body.expr.is_none(); - then { - // report your lint here - } +if let ExprKind::Loop(body, None, LoopSource::Loop, _) = expr.kind + && body.stmts.len() == 1 + && let StmtKind::Semi(e) = body.stmts[0].kind + && let ExprKind::Break(destination, None) = e.kind + && destination.label.is_none() + && body.expr.is_none() +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/matches.stdout b/src/tools/clippy/tests/ui/author/matches.stdout index 2cf69a035b4..88e2ca656a4 100644 --- a/src/tools/clippy/tests/ui/author/matches.stdout +++ b/src/tools/clippy/tests/ui/author/matches.stdout @@ -1,38 +1,36 @@ -if_chain! { - if let StmtKind::Local(local) = stmt.kind; - if let Some(init) = local.init; - if let ExprKind::Match(scrutinee, arms, MatchSource::Normal) = init.kind; - if let ExprKind::Lit(ref lit) = scrutinee.kind; - if let LitKind::Int(42, LitIntType::Unsuffixed) = lit.node; - if arms.len() == 3; - if let PatKind::Lit(lit_expr) = arms[0].pat.kind; - if let ExprKind::Lit(ref lit1) = lit_expr.kind; - if let LitKind::Int(16, LitIntType::Unsuffixed) = lit1.node; - if arms[0].guard.is_none(); - if let ExprKind::Lit(ref lit2) = arms[0].body.kind; - if let LitKind::Int(5, LitIntType::Unsuffixed) = lit2.node; - if let PatKind::Lit(lit_expr1) = arms[1].pat.kind; - if let ExprKind::Lit(ref lit3) = lit_expr1.kind; - if let LitKind::Int(17, LitIntType::Unsuffixed) = lit3.node; - if arms[1].guard.is_none(); - if let ExprKind::Block(block, None) = arms[1].body.kind; - if block.stmts.len() == 1; - if let StmtKind::Local(local1) = block.stmts[0].kind; - if let Some(init1) = local1.init; - if let ExprKind::Lit(ref lit4) = init1.kind; - if let LitKind::Int(3, LitIntType::Unsuffixed) = lit4.node; - if let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local1.pat.kind; - if name.as_str() == "x"; - if let Some(trailing_expr) = block.expr; - if let ExprKind::Path(ref qpath) = trailing_expr.kind; - if match_qpath(qpath, &["x"]); - if let PatKind::Wild = arms[2].pat.kind; - if arms[2].guard.is_none(); - if let ExprKind::Lit(ref lit5) = arms[2].body.kind; - if let LitKind::Int(1, LitIntType::Unsuffixed) = lit5.node; - if let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind; - if name1.as_str() == "a"; - then { - // report your lint here - } +if let StmtKind::Local(local) = stmt.kind + && let Some(init) = local.init + && let ExprKind::Match(scrutinee, arms, MatchSource::Normal) = init.kind + && let ExprKind::Lit(ref lit) = scrutinee.kind + && let LitKind::Int(42, LitIntType::Unsuffixed) = lit.node + && arms.len() == 3 + && let PatKind::Lit(lit_expr) = arms[0].pat.kind + && let ExprKind::Lit(ref lit1) = lit_expr.kind + && let LitKind::Int(16, LitIntType::Unsuffixed) = lit1.node + && arms[0].guard.is_none() + && let ExprKind::Lit(ref lit2) = arms[0].body.kind + && let LitKind::Int(5, LitIntType::Unsuffixed) = lit2.node + && let PatKind::Lit(lit_expr1) = arms[1].pat.kind + && let ExprKind::Lit(ref lit3) = lit_expr1.kind + && let LitKind::Int(17, LitIntType::Unsuffixed) = lit3.node + && arms[1].guard.is_none() + && let ExprKind::Block(block, None) = arms[1].body.kind + && block.stmts.len() == 1 + && let StmtKind::Local(local1) = block.stmts[0].kind + && let Some(init1) = local1.init + && let ExprKind::Lit(ref lit4) = init1.kind + && let LitKind::Int(3, LitIntType::Unsuffixed) = lit4.node + && let PatKind::Binding(BindingAnnotation::NONE, _, name, None) = local1.pat.kind + && name.as_str() == "x" + && let Some(trailing_expr) = block.expr + && let ExprKind::Path(ref qpath) = trailing_expr.kind + && match_qpath(qpath, &["x"]) + && let PatKind::Wild = arms[2].pat.kind + && arms[2].guard.is_none() + && let ExprKind::Lit(ref lit5) = arms[2].body.kind + && let LitKind::Int(1, LitIntType::Unsuffixed) = lit5.node + && let PatKind::Binding(BindingAnnotation::NONE, _, name1, None) = local.pat.kind + && name1.as_str() == "a" +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/repeat.stdout b/src/tools/clippy/tests/ui/author/repeat.stdout index 471bbce4f41..c2a369610cc 100644 --- a/src/tools/clippy/tests/ui/author/repeat.stdout +++ b/src/tools/clippy/tests/ui/author/repeat.stdout @@ -1,12 +1,10 @@ -if_chain! { - if let ExprKind::Repeat(value, length) = expr.kind; - if let ExprKind::Lit(ref lit) = value.kind; - if let LitKind::Int(1, LitIntType::Unsigned(UintTy::U8)) = lit.node; - if let ArrayLen::Body(anon_const) = length; - let expr1 = &cx.tcx.hir().body(anon_const.body).value; - if let ExprKind::Lit(ref lit1) = expr1.kind; - if let LitKind::Int(5, LitIntType::Unsuffixed) = lit1.node; - then { - // report your lint here - } +if let ExprKind::Repeat(value, length) = expr.kind + && let ExprKind::Lit(ref lit) = value.kind + && let LitKind::Int(1, LitIntType::Unsigned(UintTy::U8)) = lit.node + && let ArrayLen::Body(anon_const) = length + && expr1 = &cx.tcx.hir().body(anon_const.body).value + && let ExprKind::Lit(ref lit1) = expr1.kind + && let LitKind::Int(5, LitIntType::Unsuffixed) = lit1.node +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/author/struct.stdout b/src/tools/clippy/tests/ui/author/struct.stdout index b5bbc9e213c..0b332d5e7d0 100644 --- a/src/tools/clippy/tests/ui/author/struct.stdout +++ b/src/tools/clippy/tests/ui/author/struct.stdout @@ -1,64 +1,56 @@ -if_chain! { - if let ExprKind::Struct(qpath, fields, None) = expr.kind; - if match_qpath(qpath, &["Test"]); - if fields.len() == 1; - if fields[0].ident.as_str() == "field"; - if let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind; - if let ExprKind::DropTemps(expr1) = cond.kind; - if let ExprKind::Lit(ref lit) = expr1.kind; - if let LitKind::Bool(true) = lit.node; - if let ExprKind::Block(block, None) = then.kind; - if block.stmts.is_empty(); - if let Some(trailing_expr) = block.expr; - if let ExprKind::Lit(ref lit1) = trailing_expr.kind; - if let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node; - if let ExprKind::Block(block1, None) = else_expr.kind; - if block1.stmts.is_empty(); - if let Some(trailing_expr1) = block1.expr; - if let ExprKind::Lit(ref lit2) = trailing_expr1.kind; - if let LitKind::Int(0, LitIntType::Unsuffixed) = lit2.node; - then { - // report your lint here - } +if let ExprKind::Struct(qpath, fields, None) = expr.kind + && match_qpath(qpath, &["Test"]) + && fields.len() == 1 + && fields[0].ident.as_str() == "field" + && let ExprKind::If(cond, then, Some(else_expr)) = fields[0].expr.kind + && let ExprKind::DropTemps(expr1) = cond.kind + && let ExprKind::Lit(ref lit) = expr1.kind + && let LitKind::Bool(true) = lit.node + && let ExprKind::Block(block, None) = then.kind + && block.stmts.is_empty() + && let Some(trailing_expr) = block.expr + && let ExprKind::Lit(ref lit1) = trailing_expr.kind + && let LitKind::Int(1, LitIntType::Unsuffixed) = lit1.node + && let ExprKind::Block(block1, None) = else_expr.kind + && block1.stmts.is_empty() + && let Some(trailing_expr1) = block1.expr + && let ExprKind::Lit(ref lit2) = trailing_expr1.kind + && let LitKind::Int(0, LitIntType::Unsuffixed) = lit2.node +{ + // report your lint here } -if_chain! { - if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind; - if match_qpath(qpath, &["Test"]); - if fields.len() == 1; - if fields[0].ident.as_str() == "field"; - if let PatKind::Lit(lit_expr) = fields[0].pat.kind; - if let ExprKind::Lit(ref lit) = lit_expr.kind; - if let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node; - if arm.guard.is_none(); - if let ExprKind::Block(block, None) = arm.body.kind; - if block.stmts.is_empty(); - if block.expr.is_none(); - then { - // report your lint here - } +if let PatKind::Struct(ref qpath, fields, false) = arm.pat.kind + && match_qpath(qpath, &["Test"]) + && fields.len() == 1 + && fields[0].ident.as_str() == "field" + && let PatKind::Lit(lit_expr) = fields[0].pat.kind + && let ExprKind::Lit(ref lit) = lit_expr.kind + && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node + && arm.guard.is_none() + && let ExprKind::Block(block, None) = arm.body.kind + && block.stmts.is_empty() + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind; - if match_qpath(qpath, &["TestTuple"]); - if fields.len() == 1; - if let PatKind::Lit(lit_expr) = fields[0].kind; - if let ExprKind::Lit(ref lit) = lit_expr.kind; - if let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node; - if arm.guard.is_none(); - if let ExprKind::Block(block, None) = arm.body.kind; - if block.stmts.is_empty(); - if block.expr.is_none(); - then { - // report your lint here - } +if let PatKind::TupleStruct(ref qpath, fields, None) = arm.pat.kind + && match_qpath(qpath, &["TestTuple"]) + && fields.len() == 1 + && let PatKind::Lit(lit_expr) = fields[0].kind + && let ExprKind::Lit(ref lit) = lit_expr.kind + && let LitKind::Int(1, LitIntType::Unsuffixed) = lit.node + && arm.guard.is_none() + && let ExprKind::Block(block, None) = arm.body.kind + && block.stmts.is_empty() + && block.expr.is_none() +{ + // report your lint here } -if_chain! { - if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind; - if method_name.ident.as_str() == "test"; - if let ExprKind::Path(ref qpath) = receiver.kind; - if match_qpath(qpath, &["test_method_call"]); - if args.is_empty(); - then { - // report your lint here - } +if let ExprKind::MethodCall(method_name, receiver, args, _) = expr.kind + && method_name.ident.as_str() == "test" + && let ExprKind::Path(ref qpath) = receiver.kind + && match_qpath(qpath, &["test_method_call"]) + && args.is_empty() +{ + // report your lint here } diff --git a/src/tools/clippy/tests/ui/box_default.fixed b/src/tools/clippy/tests/ui/box_default.fixed new file mode 100644 index 00000000000..911fa856aa0 --- /dev/null +++ b/src/tools/clippy/tests/ui/box_default.fixed @@ -0,0 +1,57 @@ +// run-rustfix +#![warn(clippy::box_default)] + +#[derive(Default)] +struct ImplementsDefault; + +struct OwnDefault; + +impl OwnDefault { + fn default() -> Self { + Self + } +} + +macro_rules! outer { + ($e: expr) => { + $e + }; +} + +fn main() { + let _string: Box<String> = Box::default(); + let _byte = Box::<u8>::default(); + let _vec = Box::<std::vec::Vec<u8>>::default(); + let _impl = Box::<ImplementsDefault>::default(); + let _impl2 = Box::<ImplementsDefault>::default(); + let _impl3: Box<ImplementsDefault> = Box::default(); + let _own = Box::new(OwnDefault::default()); // should not lint + let _in_macro = outer!(Box::<std::string::String>::default()); + let _string_default = outer!(Box::<std::string::String>::default()); + let _vec2: Box<Vec<ImplementsDefault>> = Box::default(); + let _vec3: Box<Vec<bool>> = Box::default(); + let _vec4: Box<_> = Box::<std::vec::Vec<bool>>::default(); + let _more = ret_ty_fn(); + call_ty_fn(Box::default()); +} + +fn ret_ty_fn() -> Box<bool> { + Box::<bool>::default() +} + +#[allow(clippy::boxed_local)] +fn call_ty_fn(_b: Box<u8>) { + issue_9621_dyn_trait(); +} + +use std::io::{Read, Result}; + +impl Read for ImplementsDefault { + fn read(&mut self, _: &mut [u8]) -> Result<usize> { + Ok(0) + } +} + +fn issue_9621_dyn_trait() { + let _: Box<dyn Read> = Box::<ImplementsDefault>::default(); +} diff --git a/src/tools/clippy/tests/ui/box_default.rs b/src/tools/clippy/tests/ui/box_default.rs index dc522705bc6..20019c2ee5a 100644 --- a/src/tools/clippy/tests/ui/box_default.rs +++ b/src/tools/clippy/tests/ui/box_default.rs @@ -1,3 +1,4 @@ +// run-rustfix #![warn(clippy::box_default)] #[derive(Default)] @@ -26,6 +27,31 @@ fn main() { let _impl3: Box<ImplementsDefault> = Box::new(Default::default()); let _own = Box::new(OwnDefault::default()); // should not lint let _in_macro = outer!(Box::new(String::new())); - // false negative: default is from different expansion + let _string_default = outer!(Box::new(String::from(""))); let _vec2: Box<Vec<ImplementsDefault>> = Box::new(vec![]); + let _vec3: Box<Vec<bool>> = Box::new(Vec::from([])); + let _vec4: Box<_> = Box::new(Vec::from([false; 0])); + let _more = ret_ty_fn(); + call_ty_fn(Box::new(u8::default())); +} + +fn ret_ty_fn() -> Box<bool> { + Box::new(bool::default()) +} + +#[allow(clippy::boxed_local)] +fn call_ty_fn(_b: Box<u8>) { + issue_9621_dyn_trait(); +} + +use std::io::{Read, Result}; + +impl Read for ImplementsDefault { + fn read(&mut self, _: &mut [u8]) -> Result<usize> { + Ok(0) + } +} + +fn issue_9621_dyn_trait() { + let _: Box<dyn Read> = Box::new(ImplementsDefault::default()); } diff --git a/src/tools/clippy/tests/ui/box_default.stderr b/src/tools/clippy/tests/ui/box_default.stderr index b2030e95acb..5ea410331af 100644 --- a/src/tools/clippy/tests/ui/box_default.stderr +++ b/src/tools/clippy/tests/ui/box_default.stderr @@ -1,59 +1,88 @@ error: `Box::new(_)` of default value - --> $DIR/box_default.rs:21:32 + --> $DIR/box_default.rs:22:32 | LL | let _string: Box<String> = Box::new(Default::default()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::default()` | - = help: use `Box::default()` instead = note: `-D clippy::box-default` implied by `-D warnings` error: `Box::new(_)` of default value - --> $DIR/box_default.rs:22:17 + --> $DIR/box_default.rs:23:17 | LL | let _byte = Box::new(u8::default()); - | ^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: use `Box::default()` instead + | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<u8>::default()` error: `Box::new(_)` of default value - --> $DIR/box_default.rs:23:16 + --> $DIR/box_default.rs:24:16 | LL | let _vec = Box::new(Vec::<u8>::new()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: use `Box::default()` instead + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<std::vec::Vec<u8>>::default()` error: `Box::new(_)` of default value - --> $DIR/box_default.rs:24:17 + --> $DIR/box_default.rs:25:17 | LL | let _impl = Box::new(ImplementsDefault::default()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: use `Box::default()` instead + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<ImplementsDefault>::default()` error: `Box::new(_)` of default value - --> $DIR/box_default.rs:25:18 + --> $DIR/box_default.rs:26:18 | LL | let _impl2 = Box::new(<ImplementsDefault as Default>::default()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: use `Box::default()` instead + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<ImplementsDefault>::default()` error: `Box::new(_)` of default value - --> $DIR/box_default.rs:26:42 + --> $DIR/box_default.rs:27:42 | LL | let _impl3: Box<ImplementsDefault> = Box::new(Default::default()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = help: use `Box::default()` instead + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::default()` error: `Box::new(_)` of default value - --> $DIR/box_default.rs:28:28 + --> $DIR/box_default.rs:29:28 | LL | let _in_macro = outer!(Box::new(String::new())); - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<std::string::String>::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:30:34 + | +LL | let _string_default = outer!(Box::new(String::from(""))); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<std::string::String>::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:31:46 + | +LL | let _vec2: Box<Vec<ImplementsDefault>> = Box::new(vec![]); + | ^^^^^^^^^^^^^^^^ help: try: `Box::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:32:33 + | +LL | let _vec3: Box<Vec<bool>> = Box::new(Vec::from([])); + | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:33:25 + | +LL | let _vec4: Box<_> = Box::new(Vec::from([false; 0])); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<std::vec::Vec<bool>>::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:35:16 + | +LL | call_ty_fn(Box::new(u8::default())); + | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:39:5 + | +LL | Box::new(bool::default()) + | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<bool>::default()` + +error: `Box::new(_)` of default value + --> $DIR/box_default.rs:56:28 | - = help: use `Box::default()` instead +LL | let _: Box<dyn Read> = Box::new(ImplementsDefault::default()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `Box::<ImplementsDefault>::default()` -error: aborting due to 7 previous errors +error: aborting due to 14 previous errors diff --git a/src/tools/clippy/tests/ui/box_default_no_std.rs b/src/tools/clippy/tests/ui/box_default_no_std.rs new file mode 100644 index 00000000000..4326abc9a54 --- /dev/null +++ b/src/tools/clippy/tests/ui/box_default_no_std.rs @@ -0,0 +1,33 @@ +#![feature(lang_items, start, libc)] +#![warn(clippy::box_default)] +#![no_std] + +pub struct NotBox<T> { + _value: T, +} + +impl<T> NotBox<T> { + pub fn new(value: T) -> Self { + Self { _value: value } + } +} + +impl<T: Default> Default for NotBox<T> { + fn default() -> Self { + Self::new(T::default()) + } +} + +#[start] +fn main(_argc: isize, _argv: *const *const u8) -> isize { + let _p = NotBox::new(isize::default()); + 0 +} + +#[panic_handler] +fn panic(_info: &core::panic::PanicInfo) -> ! { + loop {} +} + +#[lang = "eh_personality"] +extern "C" fn eh_personality() {} diff --git a/src/tools/clippy/tests/ui/cast_abs_to_unsigned.fixed b/src/tools/clippy/tests/ui/cast_abs_to_unsigned.fixed index a37f3fec20f..e6bf944c7a5 100644 --- a/src/tools/clippy/tests/ui/cast_abs_to_unsigned.fixed +++ b/src/tools/clippy/tests/ui/cast_abs_to_unsigned.fixed @@ -1,6 +1,8 @@ // run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::cast_abs_to_unsigned)] -#![allow(clippy::uninlined_format_args)] +#![allow(clippy::uninlined_format_args, unused)] fn main() { let x: i32 = -42; @@ -30,3 +32,17 @@ fn main() { let _ = (x as i64 - y as i64).unsigned_abs() as u32; } + +fn msrv_1_50() { + #![clippy::msrv = "1.50"] + + let x: i32 = 10; + assert_eq!(10u32, x.abs() as u32); +} + +fn msrv_1_51() { + #![clippy::msrv = "1.51"] + + let x: i32 = 10; + assert_eq!(10u32, x.unsigned_abs()); +} diff --git a/src/tools/clippy/tests/ui/cast_abs_to_unsigned.rs b/src/tools/clippy/tests/ui/cast_abs_to_unsigned.rs index 5706930af5a..c87320b5209 100644 --- a/src/tools/clippy/tests/ui/cast_abs_to_unsigned.rs +++ b/src/tools/clippy/tests/ui/cast_abs_to_unsigned.rs @@ -1,6 +1,8 @@ // run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::cast_abs_to_unsigned)] -#![allow(clippy::uninlined_format_args)] +#![allow(clippy::uninlined_format_args, unused)] fn main() { let x: i32 = -42; @@ -30,3 +32,17 @@ fn main() { let _ = (x as i64 - y as i64).abs() as u32; } + +fn msrv_1_50() { + #![clippy::msrv = "1.50"] + + let x: i32 = 10; + assert_eq!(10u32, x.abs() as u32); +} + +fn msrv_1_51() { + #![clippy::msrv = "1.51"] + + let x: i32 = 10; + assert_eq!(10u32, x.abs() as u32); +} diff --git a/src/tools/clippy/tests/ui/cast_abs_to_unsigned.stderr b/src/tools/clippy/tests/ui/cast_abs_to_unsigned.stderr index 7cea11c183d..1b39c554b03 100644 --- a/src/tools/clippy/tests/ui/cast_abs_to_unsigned.stderr +++ b/src/tools/clippy/tests/ui/cast_abs_to_unsigned.stderr @@ -1,5 +1,5 @@ error: casting the result of `i32::abs()` to u32 - --> $DIR/cast_abs_to_unsigned.rs:7:18 + --> $DIR/cast_abs_to_unsigned.rs:9:18 | LL | let y: u32 = x.abs() as u32; | ^^^^^^^^^^^^^^ help: replace with: `x.unsigned_abs()` @@ -7,100 +7,106 @@ LL | let y: u32 = x.abs() as u32; = note: `-D clippy::cast-abs-to-unsigned` implied by `-D warnings` error: casting the result of `i32::abs()` to usize - --> $DIR/cast_abs_to_unsigned.rs:11:20 + --> $DIR/cast_abs_to_unsigned.rs:13:20 | LL | let _: usize = a.abs() as usize; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i32::abs()` to usize - --> $DIR/cast_abs_to_unsigned.rs:12:20 + --> $DIR/cast_abs_to_unsigned.rs:14:20 | LL | let _: usize = a.abs() as _; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i32::abs()` to usize - --> $DIR/cast_abs_to_unsigned.rs:13:13 + --> $DIR/cast_abs_to_unsigned.rs:15:13 | LL | let _ = a.abs() as usize; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to usize - --> $DIR/cast_abs_to_unsigned.rs:16:13 + --> $DIR/cast_abs_to_unsigned.rs:18:13 | LL | let _ = a.abs() as usize; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to u8 - --> $DIR/cast_abs_to_unsigned.rs:17:13 + --> $DIR/cast_abs_to_unsigned.rs:19:13 | LL | let _ = a.abs() as u8; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to u16 - --> $DIR/cast_abs_to_unsigned.rs:18:13 + --> $DIR/cast_abs_to_unsigned.rs:20:13 | LL | let _ = a.abs() as u16; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to u32 - --> $DIR/cast_abs_to_unsigned.rs:19:13 + --> $DIR/cast_abs_to_unsigned.rs:21:13 | LL | let _ = a.abs() as u32; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to u64 - --> $DIR/cast_abs_to_unsigned.rs:20:13 + --> $DIR/cast_abs_to_unsigned.rs:22:13 | LL | let _ = a.abs() as u64; | ^^^^^^^^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to u128 - --> $DIR/cast_abs_to_unsigned.rs:21:13 + --> $DIR/cast_abs_to_unsigned.rs:23:13 | LL | let _ = a.abs() as u128; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `isize::abs()` to usize - --> $DIR/cast_abs_to_unsigned.rs:24:13 + --> $DIR/cast_abs_to_unsigned.rs:26:13 | LL | let _ = a.abs() as usize; | ^^^^^^^^^^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `isize::abs()` to u8 - --> $DIR/cast_abs_to_unsigned.rs:25:13 + --> $DIR/cast_abs_to_unsigned.rs:27:13 | LL | let _ = a.abs() as u8; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `isize::abs()` to u16 - --> $DIR/cast_abs_to_unsigned.rs:26:13 + --> $DIR/cast_abs_to_unsigned.rs:28:13 | LL | let _ = a.abs() as u16; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `isize::abs()` to u32 - --> $DIR/cast_abs_to_unsigned.rs:27:13 + --> $DIR/cast_abs_to_unsigned.rs:29:13 | LL | let _ = a.abs() as u32; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `isize::abs()` to u64 - --> $DIR/cast_abs_to_unsigned.rs:28:13 + --> $DIR/cast_abs_to_unsigned.rs:30:13 | LL | let _ = a.abs() as u64; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `isize::abs()` to u128 - --> $DIR/cast_abs_to_unsigned.rs:29:13 + --> $DIR/cast_abs_to_unsigned.rs:31:13 | LL | let _ = a.abs() as u128; | ^^^^^^^ help: replace with: `a.unsigned_abs()` error: casting the result of `i64::abs()` to u32 - --> $DIR/cast_abs_to_unsigned.rs:31:13 + --> $DIR/cast_abs_to_unsigned.rs:33:13 | LL | let _ = (x as i64 - y as i64).abs() as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with: `(x as i64 - y as i64).unsigned_abs()` -error: aborting due to 17 previous errors +error: casting the result of `i32::abs()` to u32 + --> $DIR/cast_abs_to_unsigned.rs:47:23 + | +LL | assert_eq!(10u32, x.abs() as u32); + | ^^^^^^^^^^^^^^ help: replace with: `x.unsigned_abs()` + +error: aborting due to 18 previous errors diff --git a/src/tools/clippy/tests/ui/cast_lossless_bool.fixed b/src/tools/clippy/tests/ui/cast_lossless_bool.fixed index 9e2da45c378..af13b755e31 100644 --- a/src/tools/clippy/tests/ui/cast_lossless_bool.fixed +++ b/src/tools/clippy/tests/ui/cast_lossless_bool.fixed @@ -1,5 +1,6 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![allow(dead_code)] #![warn(clippy::cast_lossless)] @@ -40,3 +41,15 @@ mod cast_lossless_in_impl { } } } + +fn msrv_1_27() { + #![clippy::msrv = "1.27"] + + let _ = true as u8; +} + +fn msrv_1_28() { + #![clippy::msrv = "1.28"] + + let _ = u8::from(true); +} diff --git a/src/tools/clippy/tests/ui/cast_lossless_bool.rs b/src/tools/clippy/tests/ui/cast_lossless_bool.rs index b6f6c59a01f..3b06af899c6 100644 --- a/src/tools/clippy/tests/ui/cast_lossless_bool.rs +++ b/src/tools/clippy/tests/ui/cast_lossless_bool.rs @@ -1,5 +1,6 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![allow(dead_code)] #![warn(clippy::cast_lossless)] @@ -40,3 +41,15 @@ mod cast_lossless_in_impl { } } } + +fn msrv_1_27() { + #![clippy::msrv = "1.27"] + + let _ = true as u8; +} + +fn msrv_1_28() { + #![clippy::msrv = "1.28"] + + let _ = true as u8; +} diff --git a/src/tools/clippy/tests/ui/cast_lossless_bool.stderr b/src/tools/clippy/tests/ui/cast_lossless_bool.stderr index 6b148336011..768b033d10a 100644 --- a/src/tools/clippy/tests/ui/cast_lossless_bool.stderr +++ b/src/tools/clippy/tests/ui/cast_lossless_bool.stderr @@ -1,5 +1,5 @@ error: casting `bool` to `u8` is more cleanly stated with `u8::from(_)` - --> $DIR/cast_lossless_bool.rs:8:13 + --> $DIR/cast_lossless_bool.rs:9:13 | LL | let _ = true as u8; | ^^^^^^^^^^ help: try: `u8::from(true)` @@ -7,76 +7,82 @@ LL | let _ = true as u8; = note: `-D clippy::cast-lossless` implied by `-D warnings` error: casting `bool` to `u16` is more cleanly stated with `u16::from(_)` - --> $DIR/cast_lossless_bool.rs:9:13 + --> $DIR/cast_lossless_bool.rs:10:13 | LL | let _ = true as u16; | ^^^^^^^^^^^ help: try: `u16::from(true)` error: casting `bool` to `u32` is more cleanly stated with `u32::from(_)` - --> $DIR/cast_lossless_bool.rs:10:13 + --> $DIR/cast_lossless_bool.rs:11:13 | LL | let _ = true as u32; | ^^^^^^^^^^^ help: try: `u32::from(true)` error: casting `bool` to `u64` is more cleanly stated with `u64::from(_)` - --> $DIR/cast_lossless_bool.rs:11:13 + --> $DIR/cast_lossless_bool.rs:12:13 | LL | let _ = true as u64; | ^^^^^^^^^^^ help: try: `u64::from(true)` error: casting `bool` to `u128` is more cleanly stated with `u128::from(_)` - --> $DIR/cast_lossless_bool.rs:12:13 + --> $DIR/cast_lossless_bool.rs:13:13 | LL | let _ = true as u128; | ^^^^^^^^^^^^ help: try: `u128::from(true)` error: casting `bool` to `usize` is more cleanly stated with `usize::from(_)` - --> $DIR/cast_lossless_bool.rs:13:13 + --> $DIR/cast_lossless_bool.rs:14:13 | LL | let _ = true as usize; | ^^^^^^^^^^^^^ help: try: `usize::from(true)` error: casting `bool` to `i8` is more cleanly stated with `i8::from(_)` - --> $DIR/cast_lossless_bool.rs:15:13 + --> $DIR/cast_lossless_bool.rs:16:13 | LL | let _ = true as i8; | ^^^^^^^^^^ help: try: `i8::from(true)` error: casting `bool` to `i16` is more cleanly stated with `i16::from(_)` - --> $DIR/cast_lossless_bool.rs:16:13 + --> $DIR/cast_lossless_bool.rs:17:13 | LL | let _ = true as i16; | ^^^^^^^^^^^ help: try: `i16::from(true)` error: casting `bool` to `i32` is more cleanly stated with `i32::from(_)` - --> $DIR/cast_lossless_bool.rs:17:13 + --> $DIR/cast_lossless_bool.rs:18:13 | LL | let _ = true as i32; | ^^^^^^^^^^^ help: try: `i32::from(true)` error: casting `bool` to `i64` is more cleanly stated with `i64::from(_)` - --> $DIR/cast_lossless_bool.rs:18:13 + --> $DIR/cast_lossless_bool.rs:19:13 | LL | let _ = true as i64; | ^^^^^^^^^^^ help: try: `i64::from(true)` error: casting `bool` to `i128` is more cleanly stated with `i128::from(_)` - --> $DIR/cast_lossless_bool.rs:19:13 + --> $DIR/cast_lossless_bool.rs:20:13 | LL | let _ = true as i128; | ^^^^^^^^^^^^ help: try: `i128::from(true)` error: casting `bool` to `isize` is more cleanly stated with `isize::from(_)` - --> $DIR/cast_lossless_bool.rs:20:13 + --> $DIR/cast_lossless_bool.rs:21:13 | LL | let _ = true as isize; | ^^^^^^^^^^^^^ help: try: `isize::from(true)` error: casting `bool` to `u16` is more cleanly stated with `u16::from(_)` - --> $DIR/cast_lossless_bool.rs:23:13 + --> $DIR/cast_lossless_bool.rs:24:13 | LL | let _ = (true | false) as u16; | ^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::from(true | false)` -error: aborting due to 13 previous errors +error: casting `bool` to `u8` is more cleanly stated with `u8::from(_)` + --> $DIR/cast_lossless_bool.rs:54:13 + | +LL | let _ = true as u8; + | ^^^^^^^^^^ help: try: `u8::from(true)` + +error: aborting due to 14 previous errors diff --git a/src/tools/clippy/tests/ui/cast_nan_to_int.rs b/src/tools/clippy/tests/ui/cast_nan_to_int.rs new file mode 100644 index 00000000000..287c5aa216b --- /dev/null +++ b/src/tools/clippy/tests/ui/cast_nan_to_int.rs @@ -0,0 +1,18 @@ +#![warn(clippy::cast_nan_to_int)] +#![allow(clippy::eq_op)] + +fn main() { + let _ = (0.0_f32 / -0.0) as usize; + let _ = (f64::INFINITY * -0.0) as usize; + let _ = (0.0 * f32::INFINITY) as usize; + + let _ = (f64::INFINITY + f64::NEG_INFINITY) as usize; + let _ = (f32::INFINITY - f32::INFINITY) as usize; + let _ = (f32::INFINITY / f32::NEG_INFINITY) as usize; + + // those won't be linted: + let _ = (1.0_f32 / 0.0) as usize; + let _ = (f32::INFINITY * f32::NEG_INFINITY) as usize; + let _ = (f32::INFINITY - f32::NEG_INFINITY) as usize; + let _ = (f64::INFINITY - 0.0) as usize; +} diff --git a/src/tools/clippy/tests/ui/cast_nan_to_int.stderr b/src/tools/clippy/tests/ui/cast_nan_to_int.stderr new file mode 100644 index 00000000000..3539be75a19 --- /dev/null +++ b/src/tools/clippy/tests/ui/cast_nan_to_int.stderr @@ -0,0 +1,51 @@ +error: casting a known NaN to usize + --> $DIR/cast_nan_to_int.rs:5:13 + | +LL | let _ = (0.0_f32 / -0.0) as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this always evaluates to 0 + = note: `-D clippy::cast-nan-to-int` implied by `-D warnings` + +error: casting a known NaN to usize + --> $DIR/cast_nan_to_int.rs:6:13 + | +LL | let _ = (f64::INFINITY * -0.0) as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this always evaluates to 0 + +error: casting a known NaN to usize + --> $DIR/cast_nan_to_int.rs:7:13 + | +LL | let _ = (0.0 * f32::INFINITY) as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this always evaluates to 0 + +error: casting a known NaN to usize + --> $DIR/cast_nan_to_int.rs:9:13 + | +LL | let _ = (f64::INFINITY + f64::NEG_INFINITY) as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this always evaluates to 0 + +error: casting a known NaN to usize + --> $DIR/cast_nan_to_int.rs:10:13 + | +LL | let _ = (f32::INFINITY - f32::INFINITY) as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this always evaluates to 0 + +error: casting a known NaN to usize + --> $DIR/cast_nan_to_int.rs:11:13 + | +LL | let _ = (f32::INFINITY / f32::NEG_INFINITY) as usize; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: this always evaluates to 0 + +error: aborting due to 6 previous errors + diff --git a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed index 061a4ab9b2e..8a5645b22ed 100644 --- a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed +++ b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.fixed @@ -1,5 +1,5 @@ // run-rustfix -#![feature(stmt_expr_attributes)] +#![feature(stmt_expr_attributes, custom_inner_attributes)] #![allow(unused, clippy::no_effect, clippy::unnecessary_operation)] #![warn(clippy::deprecated_cfg_attr)] @@ -29,3 +29,17 @@ mod foo { pub fn f() {} } + +fn msrv_1_29() { + #![clippy::msrv = "1.29"] + + #[cfg_attr(rustfmt, rustfmt::skip)] + 1+29; +} + +fn msrv_1_30() { + #![clippy::msrv = "1.30"] + + #[rustfmt::skip] + 1+30; +} diff --git a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs index 035169fab85..2fb140efae7 100644 --- a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs +++ b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.rs @@ -1,5 +1,5 @@ // run-rustfix -#![feature(stmt_expr_attributes)] +#![feature(stmt_expr_attributes, custom_inner_attributes)] #![allow(unused, clippy::no_effect, clippy::unnecessary_operation)] #![warn(clippy::deprecated_cfg_attr)] @@ -29,3 +29,17 @@ mod foo { pub fn f() {} } + +fn msrv_1_29() { + #![clippy::msrv = "1.29"] + + #[cfg_attr(rustfmt, rustfmt::skip)] + 1+29; +} + +fn msrv_1_30() { + #![clippy::msrv = "1.30"] + + #[cfg_attr(rustfmt, rustfmt::skip)] + 1+30; +} diff --git a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.stderr b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.stderr index c1efd47db90..08df7b2b39a 100644 --- a/src/tools/clippy/tests/ui/cfg_attr_rustfmt.stderr +++ b/src/tools/clippy/tests/ui/cfg_attr_rustfmt.stderr @@ -12,5 +12,11 @@ error: `cfg_attr` is deprecated for rustfmt and got replaced by tool attributes LL | #[cfg_attr(rustfmt, rustfmt_skip)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]` -error: aborting due to 2 previous errors +error: `cfg_attr` is deprecated for rustfmt and got replaced by tool attributes + --> $DIR/cfg_attr_rustfmt.rs:43:5 + | +LL | #[cfg_attr(rustfmt, rustfmt::skip)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `#[rustfmt::skip]` + +error: aborting due to 3 previous errors diff --git a/src/tools/clippy/tests/ui/checked_conversions.fixed b/src/tools/clippy/tests/ui/checked_conversions.fixed index cb7100bc9ef..f936957cb40 100644 --- a/src/tools/clippy/tests/ui/checked_conversions.fixed +++ b/src/tools/clippy/tests/ui/checked_conversions.fixed @@ -1,7 +1,9 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![allow( clippy::cast_lossless, + unused, // Int::max_value will be deprecated in the future deprecated, )] @@ -76,4 +78,18 @@ pub const fn issue_8898(i: u32) -> bool { i <= i32::MAX as u32 } +fn msrv_1_33() { + #![clippy::msrv = "1.33"] + + let value: i64 = 33; + let _ = value <= (u32::MAX as i64) && value >= 0; +} + +fn msrv_1_34() { + #![clippy::msrv = "1.34"] + + let value: i64 = 34; + let _ = u32::try_from(value).is_ok(); +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/checked_conversions.rs b/src/tools/clippy/tests/ui/checked_conversions.rs index ed4e0692388..77aec713ff3 100644 --- a/src/tools/clippy/tests/ui/checked_conversions.rs +++ b/src/tools/clippy/tests/ui/checked_conversions.rs @@ -1,7 +1,9 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![allow( clippy::cast_lossless, + unused, // Int::max_value will be deprecated in the future deprecated, )] @@ -76,4 +78,18 @@ pub const fn issue_8898(i: u32) -> bool { i <= i32::MAX as u32 } +fn msrv_1_33() { + #![clippy::msrv = "1.33"] + + let value: i64 = 33; + let _ = value <= (u32::MAX as i64) && value >= 0; +} + +fn msrv_1_34() { + #![clippy::msrv = "1.34"] + + let value: i64 = 34; + let _ = value <= (u32::MAX as i64) && value >= 0; +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/checked_conversions.stderr b/src/tools/clippy/tests/ui/checked_conversions.stderr index 2e518040561..b2bf7af8daf 100644 --- a/src/tools/clippy/tests/ui/checked_conversions.stderr +++ b/src/tools/clippy/tests/ui/checked_conversions.stderr @@ -1,5 +1,5 @@ error: checked cast can be simplified - --> $DIR/checked_conversions.rs:15:13 + --> $DIR/checked_conversions.rs:17:13 | LL | let _ = value <= (u32::max_value() as i64) && value >= 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::try_from(value).is_ok()` @@ -7,94 +7,100 @@ LL | let _ = value <= (u32::max_value() as i64) && value >= 0; = note: `-D clippy::checked-conversions` implied by `-D warnings` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:16:13 + --> $DIR/checked_conversions.rs:18:13 | LL | let _ = value <= (u32::MAX as i64) && value >= 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:20:13 + --> $DIR/checked_conversions.rs:22:13 | LL | let _ = value <= i64::from(u16::max_value()) && value >= 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:21:13 + --> $DIR/checked_conversions.rs:23:13 | LL | let _ = value <= i64::from(u16::MAX) && value >= 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:25:13 + --> $DIR/checked_conversions.rs:27:13 | LL | let _ = value <= (u8::max_value() as isize) && value >= 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u8::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:26:13 + --> $DIR/checked_conversions.rs:28:13 | LL | let _ = value <= (u8::MAX as isize) && value >= 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u8::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:32:13 + --> $DIR/checked_conversions.rs:34:13 | LL | let _ = value <= (i32::max_value() as i64) && value >= (i32::min_value() as i64); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:33:13 + --> $DIR/checked_conversions.rs:35:13 | LL | let _ = value <= (i32::MAX as i64) && value >= (i32::MIN as i64); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:37:13 + --> $DIR/checked_conversions.rs:39:13 | LL | let _ = value <= i64::from(i16::max_value()) && value >= i64::from(i16::min_value()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i16::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:38:13 + --> $DIR/checked_conversions.rs:40:13 | LL | let _ = value <= i64::from(i16::MAX) && value >= i64::from(i16::MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i16::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:44:13 + --> $DIR/checked_conversions.rs:46:13 | LL | let _ = value <= i32::max_value() as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:45:13 + --> $DIR/checked_conversions.rs:47:13 | LL | let _ = value <= i32::MAX as u32; | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `i32::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:49:13 + --> $DIR/checked_conversions.rs:51:13 | LL | let _ = value <= isize::max_value() as usize && value as i32 == 5; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `isize::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:50:13 + --> $DIR/checked_conversions.rs:52:13 | LL | let _ = value <= isize::MAX as usize && value as i32 == 5; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `isize::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:54:13 + --> $DIR/checked_conversions.rs:56:13 | LL | let _ = value <= u16::max_value() as u32 && value as i32 == 5; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::try_from(value).is_ok()` error: checked cast can be simplified - --> $DIR/checked_conversions.rs:55:13 + --> $DIR/checked_conversions.rs:57:13 | LL | let _ = value <= u16::MAX as u32 && value as i32 == 5; | ^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u16::try_from(value).is_ok()` -error: aborting due to 16 previous errors +error: checked cast can be simplified + --> $DIR/checked_conversions.rs:92:13 + | +LL | let _ = value <= (u32::MAX as i64) && value >= 0; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `u32::try_from(value).is_ok()` + +error: aborting due to 17 previous errors diff --git a/src/tools/clippy/tests/ui/cloned_instead_of_copied.fixed b/src/tools/clippy/tests/ui/cloned_instead_of_copied.fixed index 4eb999e18e6..42ed232d100 100644 --- a/src/tools/clippy/tests/ui/cloned_instead_of_copied.fixed +++ b/src/tools/clippy/tests/ui/cloned_instead_of_copied.fixed @@ -1,5 +1,8 @@ // run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::cloned_instead_of_copied)] +#![allow(unused)] fn main() { // yay @@ -13,3 +16,24 @@ fn main() { let _ = [String::new()].iter().cloned(); let _ = Some(&String::new()).cloned(); } + +fn msrv_1_34() { + #![clippy::msrv = "1.34"] + + let _ = [1].iter().cloned(); + let _ = Some(&1).cloned(); +} + +fn msrv_1_35() { + #![clippy::msrv = "1.35"] + + let _ = [1].iter().cloned(); + let _ = Some(&1).copied(); // Option::copied needs 1.35 +} + +fn msrv_1_36() { + #![clippy::msrv = "1.36"] + + let _ = [1].iter().copied(); // Iterator::copied needs 1.36 + let _ = Some(&1).copied(); +} diff --git a/src/tools/clippy/tests/ui/cloned_instead_of_copied.rs b/src/tools/clippy/tests/ui/cloned_instead_of_copied.rs index 894496c0ebb..471bd9654cc 100644 --- a/src/tools/clippy/tests/ui/cloned_instead_of_copied.rs +++ b/src/tools/clippy/tests/ui/cloned_instead_of_copied.rs @@ -1,5 +1,8 @@ // run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::cloned_instead_of_copied)] +#![allow(unused)] fn main() { // yay @@ -13,3 +16,24 @@ fn main() { let _ = [String::new()].iter().cloned(); let _ = Some(&String::new()).cloned(); } + +fn msrv_1_34() { + #![clippy::msrv = "1.34"] + + let _ = [1].iter().cloned(); + let _ = Some(&1).cloned(); +} + +fn msrv_1_35() { + #![clippy::msrv = "1.35"] + + let _ = [1].iter().cloned(); + let _ = Some(&1).cloned(); // Option::copied needs 1.35 +} + +fn msrv_1_36() { + #![clippy::msrv = "1.36"] + + let _ = [1].iter().cloned(); // Iterator::copied needs 1.36 + let _ = Some(&1).cloned(); +} diff --git a/src/tools/clippy/tests/ui/cloned_instead_of_copied.stderr b/src/tools/clippy/tests/ui/cloned_instead_of_copied.stderr index e0707d32146..914c9a91e83 100644 --- a/src/tools/clippy/tests/ui/cloned_instead_of_copied.stderr +++ b/src/tools/clippy/tests/ui/cloned_instead_of_copied.stderr @@ -1,5 +1,5 @@ error: used `cloned` where `copied` could be used instead - --> $DIR/cloned_instead_of_copied.rs:6:24 + --> $DIR/cloned_instead_of_copied.rs:9:24 | LL | let _ = [1].iter().cloned(); | ^^^^^^ help: try: `copied` @@ -7,28 +7,46 @@ LL | let _ = [1].iter().cloned(); = note: `-D clippy::cloned-instead-of-copied` implied by `-D warnings` error: used `cloned` where `copied` could be used instead - --> $DIR/cloned_instead_of_copied.rs:7:31 + --> $DIR/cloned_instead_of_copied.rs:10:31 | LL | let _ = vec!["hi"].iter().cloned(); | ^^^^^^ help: try: `copied` error: used `cloned` where `copied` could be used instead - --> $DIR/cloned_instead_of_copied.rs:8:22 + --> $DIR/cloned_instead_of_copied.rs:11:22 | LL | let _ = Some(&1).cloned(); | ^^^^^^ help: try: `copied` error: used `cloned` where `copied` could be used instead - --> $DIR/cloned_instead_of_copied.rs:9:34 + --> $DIR/cloned_instead_of_copied.rs:12:34 | LL | let _ = Box::new([1].iter()).cloned(); | ^^^^^^ help: try: `copied` error: used `cloned` where `copied` could be used instead - --> $DIR/cloned_instead_of_copied.rs:10:32 + --> $DIR/cloned_instead_of_copied.rs:13:32 | LL | let _ = Box::new(Some(&1)).cloned(); | ^^^^^^ help: try: `copied` -error: aborting due to 5 previous errors +error: used `cloned` where `copied` could be used instead + --> $DIR/cloned_instead_of_copied.rs:31:22 + | +LL | let _ = Some(&1).cloned(); // Option::copied needs 1.35 + | ^^^^^^ help: try: `copied` + +error: used `cloned` where `copied` could be used instead + --> $DIR/cloned_instead_of_copied.rs:37:24 + | +LL | let _ = [1].iter().cloned(); // Iterator::copied needs 1.36 + | ^^^^^^ help: try: `copied` + +error: used `cloned` where `copied` could be used instead + --> $DIR/cloned_instead_of_copied.rs:38:22 + | +LL | let _ = Some(&1).cloned(); + | ^^^^^^ help: try: `copied` + +error: aborting due to 8 previous errors diff --git a/src/tools/clippy/tests/ui/collapsible_match.rs b/src/tools/clippy/tests/ui/collapsible_match.rs index 7d53e08345d..1d7a7284641 100644 --- a/src/tools/clippy/tests/ui/collapsible_match.rs +++ b/src/tools/clippy/tests/ui/collapsible_match.rs @@ -253,6 +253,27 @@ fn negative_cases(res_opt: Result<Option<u32>, String>, res_res: Result<Result<u }; } +pub enum Issue9647 { + A { a: Option<Option<u8>>, b: () }, + B, +} + +pub fn test_1(x: Issue9647) { + if let Issue9647::A { a, .. } = x { + if let Some(u) = a { + println!("{u:?}") + } + } +} + +pub fn test_2(x: Issue9647) { + if let Issue9647::A { a: Some(a), .. } = x { + if let Some(u) = a { + println!("{u}") + } + } +} + fn make<T>() -> T { unimplemented!() } diff --git a/src/tools/clippy/tests/ui/collapsible_match.stderr b/src/tools/clippy/tests/ui/collapsible_match.stderr index 2580bef5809..0294be60b43 100644 --- a/src/tools/clippy/tests/ui/collapsible_match.stderr +++ b/src/tools/clippy/tests/ui/collapsible_match.stderr @@ -175,5 +175,37 @@ LL | Some(val) => match val { LL | Some(n) => foo(n), | ^^^^^^^ with this pattern -error: aborting due to 10 previous errors +error: this `if let` can be collapsed into the outer `if let` + --> $DIR/collapsible_match.rs:263:9 + | +LL | / if let Some(u) = a { +LL | | println!("{u:?}") +LL | | } + | |_________^ + | +help: the outer pattern can be modified to include the inner pattern + --> $DIR/collapsible_match.rs:262:27 + | +LL | if let Issue9647::A { a, .. } = x { + | ^ replace this binding +LL | if let Some(u) = a { + | ^^^^^^^ with this pattern, prefixed by a: + +error: this `if let` can be collapsed into the outer `if let` + --> $DIR/collapsible_match.rs:271:9 + | +LL | / if let Some(u) = a { +LL | | println!("{u}") +LL | | } + | |_________^ + | +help: the outer pattern can be modified to include the inner pattern + --> $DIR/collapsible_match.rs:270:35 + | +LL | if let Issue9647::A { a: Some(a), .. } = x { + | ^ replace this binding +LL | if let Some(u) = a { + | ^^^^^^^ with this pattern + +error: aborting due to 12 previous errors diff --git a/src/tools/clippy/tests/ui/crashes/ice-9625.rs b/src/tools/clippy/tests/ui/crashes/ice-9625.rs new file mode 100644 index 00000000000..a765882b5d8 --- /dev/null +++ b/src/tools/clippy/tests/ui/crashes/ice-9625.rs @@ -0,0 +1,4 @@ +fn main() { + let x = &1; + let _ = &1 < x && x < &10; +} diff --git a/src/tools/clippy/tests/ui/default_numeric_fallback_f64.fixed b/src/tools/clippy/tests/ui/default_numeric_fallback_f64.fixed index a28bff76755..a370ccc7696 100644 --- a/src/tools/clippy/tests/ui/default_numeric_fallback_f64.fixed +++ b/src/tools/clippy/tests/ui/default_numeric_fallback_f64.fixed @@ -33,6 +33,7 @@ mod basic_expr { let x: [f64; 3] = [1., 2., 3.]; let x: (f64, f64) = if true { (1., 2.) } else { (3., 4.) }; let x: _ = 1.; + const X: f32 = 1.; } } @@ -59,6 +60,14 @@ mod nested_local { // Should NOT lint this because this literal is bound to `_` of outer `Local`. 2. }; + + const X: f32 = { + // Should lint this because this literal is not bound to any types. + let y = 1.0_f64; + + // Should NOT lint this because this literal is bound to `_` of outer `Local`. + 1. + }; } } diff --git a/src/tools/clippy/tests/ui/default_numeric_fallback_f64.rs b/src/tools/clippy/tests/ui/default_numeric_fallback_f64.rs index b48435cc7b2..2476fe95141 100644 --- a/src/tools/clippy/tests/ui/default_numeric_fallback_f64.rs +++ b/src/tools/clippy/tests/ui/default_numeric_fallback_f64.rs @@ -33,6 +33,7 @@ mod basic_expr { let x: [f64; 3] = [1., 2., 3.]; let x: (f64, f64) = if true { (1., 2.) } else { (3., 4.) }; let x: _ = 1.; + const X: f32 = 1.; } } @@ -59,6 +60,14 @@ mod nested_local { // Should NOT lint this because this literal is bound to `_` of outer `Local`. 2. }; + + const X: f32 = { + // Should lint this because this literal is not bound to any types. + let y = 1.; + + // Should NOT lint this because this literal is bound to `_` of outer `Local`. + 1. + }; } } diff --git a/src/tools/clippy/tests/ui/default_numeric_fallback_f64.stderr b/src/tools/clippy/tests/ui/default_numeric_fallback_f64.stderr index f8b6c7746ed..5df2f642388 100644 --- a/src/tools/clippy/tests/ui/default_numeric_fallback_f64.stderr +++ b/src/tools/clippy/tests/ui/default_numeric_fallback_f64.stderr @@ -61,79 +61,85 @@ LL | _ => 1., | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:43:21 + --> $DIR/default_numeric_fallback_f64.rs:44:21 | LL | let y = 1.; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:51:21 + --> $DIR/default_numeric_fallback_f64.rs:52:21 | LL | let y = 1.; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:57:21 + --> $DIR/default_numeric_fallback_f64.rs:58:21 | LL | let y = 1.; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:69:9 + --> $DIR/default_numeric_fallback_f64.rs:66:21 + | +LL | let y = 1.; + | ^^ help: consider adding suffix: `1.0_f64` + +error: default numeric fallback might occur + --> $DIR/default_numeric_fallback_f64.rs:78:9 | LL | 1. | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:75:27 + --> $DIR/default_numeric_fallback_f64.rs:84:27 | LL | let f = || -> _ { 1. }; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:79:29 + --> $DIR/default_numeric_fallback_f64.rs:88:29 | LL | let f = || -> f64 { 1. }; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:93:21 + --> $DIR/default_numeric_fallback_f64.rs:102:21 | LL | generic_arg(1.); | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:96:32 + --> $DIR/default_numeric_fallback_f64.rs:105:32 | LL | let x: _ = generic_arg(1.); | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:114:28 + --> $DIR/default_numeric_fallback_f64.rs:123:28 | LL | GenericStruct { x: 1. }; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:117:36 + --> $DIR/default_numeric_fallback_f64.rs:126:36 | LL | let _ = GenericStruct { x: 1. }; | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:135:24 + --> $DIR/default_numeric_fallback_f64.rs:144:24 | LL | GenericEnum::X(1.); | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:155:23 + --> $DIR/default_numeric_fallback_f64.rs:164:23 | LL | s.generic_arg(1.); | ^^ help: consider adding suffix: `1.0_f64` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_f64.rs:162:21 + --> $DIR/default_numeric_fallback_f64.rs:171:21 | LL | let x = 22.; | ^^^ help: consider adding suffix: `22.0_f64` @@ -143,5 +149,5 @@ LL | internal_macro!(); | = note: this error originates in the macro `internal_macro` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 23 previous errors +error: aborting due to 24 previous errors diff --git a/src/tools/clippy/tests/ui/default_numeric_fallback_i32.fixed b/src/tools/clippy/tests/ui/default_numeric_fallback_i32.fixed index 55451cf2f7d..3f4994f0453 100644 --- a/src/tools/clippy/tests/ui/default_numeric_fallback_i32.fixed +++ b/src/tools/clippy/tests/ui/default_numeric_fallback_i32.fixed @@ -33,6 +33,8 @@ mod basic_expr { let x: [i32; 3] = [1, 2, 3]; let x: (i32, i32) = if true { (1, 2) } else { (3, 4) }; let x: _ = 1; + let x: u64 = 1; + const CONST_X: i8 = 1; } } @@ -59,6 +61,14 @@ mod nested_local { // Should NOT lint this because this literal is bound to `_` of outer `Local`. 2 }; + + const CONST_X: i32 = { + // Should lint this because this literal is not bound to any types. + let y = 1_i32; + + // Should NOT lint this because this literal is bound to `_` of outer `Local`. + 1 + }; } } diff --git a/src/tools/clippy/tests/ui/default_numeric_fallback_i32.rs b/src/tools/clippy/tests/ui/default_numeric_fallback_i32.rs index 62d72f2feba..2df0e09787f 100644 --- a/src/tools/clippy/tests/ui/default_numeric_fallback_i32.rs +++ b/src/tools/clippy/tests/ui/default_numeric_fallback_i32.rs @@ -33,6 +33,8 @@ mod basic_expr { let x: [i32; 3] = [1, 2, 3]; let x: (i32, i32) = if true { (1, 2) } else { (3, 4) }; let x: _ = 1; + let x: u64 = 1; + const CONST_X: i8 = 1; } } @@ -59,6 +61,14 @@ mod nested_local { // Should NOT lint this because this literal is bound to `_` of outer `Local`. 2 }; + + const CONST_X: i32 = { + // Should lint this because this literal is not bound to any types. + let y = 1; + + // Should NOT lint this because this literal is bound to `_` of outer `Local`. + 1 + }; } } diff --git a/src/tools/clippy/tests/ui/default_numeric_fallback_i32.stderr b/src/tools/clippy/tests/ui/default_numeric_fallback_i32.stderr index f7c5e724c40..6f219c3fc2b 100644 --- a/src/tools/clippy/tests/ui/default_numeric_fallback_i32.stderr +++ b/src/tools/clippy/tests/ui/default_numeric_fallback_i32.stderr @@ -73,79 +73,85 @@ LL | _ => 2, | ^ help: consider adding suffix: `2_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:43:21 + --> $DIR/default_numeric_fallback_i32.rs:45:21 | LL | let y = 1; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:51:21 + --> $DIR/default_numeric_fallback_i32.rs:53:21 | LL | let y = 1; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:57:21 + --> $DIR/default_numeric_fallback_i32.rs:59:21 | LL | let y = 1; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:69:9 + --> $DIR/default_numeric_fallback_i32.rs:67:21 + | +LL | let y = 1; + | ^ help: consider adding suffix: `1_i32` + +error: default numeric fallback might occur + --> $DIR/default_numeric_fallback_i32.rs:79:9 | LL | 1 | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:75:27 + --> $DIR/default_numeric_fallback_i32.rs:85:27 | LL | let f = || -> _ { 1 }; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:79:29 + --> $DIR/default_numeric_fallback_i32.rs:89:29 | LL | let f = || -> i32 { 1 }; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:93:21 + --> $DIR/default_numeric_fallback_i32.rs:103:21 | LL | generic_arg(1); | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:96:32 + --> $DIR/default_numeric_fallback_i32.rs:106:32 | LL | let x: _ = generic_arg(1); | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:114:28 + --> $DIR/default_numeric_fallback_i32.rs:124:28 | LL | GenericStruct { x: 1 }; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:117:36 + --> $DIR/default_numeric_fallback_i32.rs:127:36 | LL | let _ = GenericStruct { x: 1 }; | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:135:24 + --> $DIR/default_numeric_fallback_i32.rs:145:24 | LL | GenericEnum::X(1); | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:155:23 + --> $DIR/default_numeric_fallback_i32.rs:165:23 | LL | s.generic_arg(1); | ^ help: consider adding suffix: `1_i32` error: default numeric fallback might occur - --> $DIR/default_numeric_fallback_i32.rs:162:21 + --> $DIR/default_numeric_fallback_i32.rs:172:21 | LL | let x = 22; | ^^ help: consider adding suffix: `22_i32` @@ -155,5 +161,5 @@ LL | internal_macro!(); | = note: this error originates in the macro `internal_macro` (in Nightly builds, run with -Z macro-backtrace for more info) -error: aborting due to 25 previous errors +error: aborting due to 26 previous errors diff --git a/src/tools/clippy/tests/ui/entry.fixed b/src/tools/clippy/tests/ui/entry.fixed index e43635abcd1..79c29c04e05 100644 --- a/src/tools/clippy/tests/ui/entry.fixed +++ b/src/tools/clippy/tests/ui/entry.fixed @@ -1,3 +1,4 @@ +// needs-asm-support // run-rustfix #![allow(unused, clippy::needless_pass_by_value, clippy::collapsible_if)] diff --git a/src/tools/clippy/tests/ui/entry.rs b/src/tools/clippy/tests/ui/entry.rs index d999b3b7dc8..2d7985457d8 100644 --- a/src/tools/clippy/tests/ui/entry.rs +++ b/src/tools/clippy/tests/ui/entry.rs @@ -1,3 +1,4 @@ +// needs-asm-support // run-rustfix #![allow(unused, clippy::needless_pass_by_value, clippy::collapsible_if)] diff --git a/src/tools/clippy/tests/ui/entry.stderr b/src/tools/clippy/tests/ui/entry.stderr index 2ef9966525c..2c4c49d2522 100644 --- a/src/tools/clippy/tests/ui/entry.stderr +++ b/src/tools/clippy/tests/ui/entry.stderr @@ -1,5 +1,5 @@ error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:24:5 + --> $DIR/entry.rs:25:5 | LL | / if !m.contains_key(&k) { LL | | m.insert(k, v); @@ -9,7 +9,7 @@ LL | | } = note: `-D clippy::map-entry` implied by `-D warnings` error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:29:5 + --> $DIR/entry.rs:30:5 | LL | / if !m.contains_key(&k) { LL | | if true { @@ -32,7 +32,7 @@ LL + }); | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:38:5 + --> $DIR/entry.rs:39:5 | LL | / if !m.contains_key(&k) { LL | | if true { @@ -55,7 +55,7 @@ LL + }); | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:47:5 + --> $DIR/entry.rs:48:5 | LL | / if !m.contains_key(&k) { LL | | if true { @@ -79,7 +79,7 @@ LL + } | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:57:5 + --> $DIR/entry.rs:58:5 | LL | / if !m.contains_key(&k) { LL | | foo(); @@ -96,7 +96,7 @@ LL + }); | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:63:5 + --> $DIR/entry.rs:64:5 | LL | / if !m.contains_key(&k) { LL | | match 0 { @@ -122,7 +122,7 @@ LL + }); | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:75:5 + --> $DIR/entry.rs:76:5 | LL | / if !m.contains_key(&k) { LL | | match 0 { @@ -146,7 +146,7 @@ LL + } | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:85:5 + --> $DIR/entry.rs:86:5 | LL | / if !m.contains_key(&k) { LL | | foo(); @@ -187,7 +187,7 @@ LL + }); | error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:119:5 + --> $DIR/entry.rs:120:5 | LL | / if !m.contains_key(&m!(k)) { LL | | m.insert(m!(k), m!(v)); @@ -195,7 +195,7 @@ LL | | } | |_____^ help: try this: `m.entry(m!(k)).or_insert_with(|| m!(v));` error: usage of `contains_key` followed by `insert` on a `HashMap` - --> $DIR/entry.rs:151:5 + --> $DIR/entry.rs:152:5 | LL | / if !m.contains_key(&k) { LL | | let x = (String::new(), String::new()); diff --git a/src/tools/clippy/tests/ui/err_expect.fixed b/src/tools/clippy/tests/ui/err_expect.fixed index 7e18d70bae4..3bac738acd6 100644 --- a/src/tools/clippy/tests/ui/err_expect.fixed +++ b/src/tools/clippy/tests/ui/err_expect.fixed @@ -1,5 +1,8 @@ // run-rustfix +#![feature(custom_inner_attributes)] +#![allow(unused)] + struct MyTypeNonDebug; #[derive(Debug)] @@ -12,3 +15,17 @@ fn main() { let test_non_debug: Result<MyTypeNonDebug, u32> = Ok(MyTypeNonDebug); test_non_debug.err().expect("Testing non debug type"); } + +fn msrv_1_16() { + #![clippy::msrv = "1.16"] + + let x: Result<u32, &str> = Ok(16); + x.err().expect("16"); +} + +fn msrv_1_17() { + #![clippy::msrv = "1.17"] + + let x: Result<u32, &str> = Ok(17); + x.expect_err("17"); +} diff --git a/src/tools/clippy/tests/ui/err_expect.rs b/src/tools/clippy/tests/ui/err_expect.rs index bf8c3c9fb8c..6e7c47d9ad3 100644 --- a/src/tools/clippy/tests/ui/err_expect.rs +++ b/src/tools/clippy/tests/ui/err_expect.rs @@ -1,5 +1,8 @@ // run-rustfix +#![feature(custom_inner_attributes)] +#![allow(unused)] + struct MyTypeNonDebug; #[derive(Debug)] @@ -12,3 +15,17 @@ fn main() { let test_non_debug: Result<MyTypeNonDebug, u32> = Ok(MyTypeNonDebug); test_non_debug.err().expect("Testing non debug type"); } + +fn msrv_1_16() { + #![clippy::msrv = "1.16"] + + let x: Result<u32, &str> = Ok(16); + x.err().expect("16"); +} + +fn msrv_1_17() { + #![clippy::msrv = "1.17"] + + let x: Result<u32, &str> = Ok(17); + x.err().expect("17"); +} diff --git a/src/tools/clippy/tests/ui/err_expect.stderr b/src/tools/clippy/tests/ui/err_expect.stderr index ffd97e00a5c..91a6cf8de65 100644 --- a/src/tools/clippy/tests/ui/err_expect.stderr +++ b/src/tools/clippy/tests/ui/err_expect.stderr @@ -1,10 +1,16 @@ error: called `.err().expect()` on a `Result` value - --> $DIR/err_expect.rs:10:16 + --> $DIR/err_expect.rs:13:16 | LL | test_debug.err().expect("Testing debug type"); | ^^^^^^^^^^^^ help: try: `expect_err` | = note: `-D clippy::err-expect` implied by `-D warnings` -error: aborting due to previous error +error: called `.err().expect()` on a `Result` value + --> $DIR/err_expect.rs:30:7 + | +LL | x.err().expect("17"); + | ^^^^^^^^^^^^ help: try: `expect_err` + +error: aborting due to 2 previous errors diff --git a/src/tools/clippy/tests/ui/filter_map_next_fixable.fixed b/src/tools/clippy/tests/ui/filter_map_next_fixable.fixed index c3992d7e92c..41828ddd7ac 100644 --- a/src/tools/clippy/tests/ui/filter_map_next_fixable.fixed +++ b/src/tools/clippy/tests/ui/filter_map_next_fixable.fixed @@ -1,6 +1,8 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![warn(clippy::all, clippy::pedantic)] +#![allow(unused)] fn main() { let a = ["1", "lol", "3", "NaN", "5"]; @@ -8,3 +10,17 @@ fn main() { let element: Option<i32> = a.iter().find_map(|s| s.parse().ok()); assert_eq!(element, Some(1)); } + +fn msrv_1_29() { + #![clippy::msrv = "1.29"] + + let a = ["1", "lol", "3", "NaN", "5"]; + let _: Option<i32> = a.iter().filter_map(|s| s.parse().ok()).next(); +} + +fn msrv_1_30() { + #![clippy::msrv = "1.30"] + + let a = ["1", "lol", "3", "NaN", "5"]; + let _: Option<i32> = a.iter().find_map(|s| s.parse().ok()); +} diff --git a/src/tools/clippy/tests/ui/filter_map_next_fixable.rs b/src/tools/clippy/tests/ui/filter_map_next_fixable.rs index 447219a9683..be492a81b45 100644 --- a/src/tools/clippy/tests/ui/filter_map_next_fixable.rs +++ b/src/tools/clippy/tests/ui/filter_map_next_fixable.rs @@ -1,6 +1,8 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![warn(clippy::all, clippy::pedantic)] +#![allow(unused)] fn main() { let a = ["1", "lol", "3", "NaN", "5"]; @@ -8,3 +10,17 @@ fn main() { let element: Option<i32> = a.iter().filter_map(|s| s.parse().ok()).next(); assert_eq!(element, Some(1)); } + +fn msrv_1_29() { + #![clippy::msrv = "1.29"] + + let a = ["1", "lol", "3", "NaN", "5"]; + let _: Option<i32> = a.iter().filter_map(|s| s.parse().ok()).next(); +} + +fn msrv_1_30() { + #![clippy::msrv = "1.30"] + + let a = ["1", "lol", "3", "NaN", "5"]; + let _: Option<i32> = a.iter().filter_map(|s| s.parse().ok()).next(); +} diff --git a/src/tools/clippy/tests/ui/filter_map_next_fixable.stderr b/src/tools/clippy/tests/ui/filter_map_next_fixable.stderr index 3bb062ffd7a..e789efeabd5 100644 --- a/src/tools/clippy/tests/ui/filter_map_next_fixable.stderr +++ b/src/tools/clippy/tests/ui/filter_map_next_fixable.stderr @@ -1,10 +1,16 @@ error: called `filter_map(..).next()` on an `Iterator`. This is more succinctly expressed by calling `.find_map(..)` instead - --> $DIR/filter_map_next_fixable.rs:8:32 + --> $DIR/filter_map_next_fixable.rs:10:32 | LL | let element: Option<i32> = a.iter().filter_map(|s| s.parse().ok()).next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `a.iter().find_map(|s| s.parse().ok())` | = note: `-D clippy::filter-map-next` implied by `-D warnings` -error: aborting due to previous error +error: called `filter_map(..).next()` on an `Iterator`. This is more succinctly expressed by calling `.find_map(..)` instead + --> $DIR/filter_map_next_fixable.rs:25:26 + | +LL | let _: Option<i32> = a.iter().filter_map(|s| s.parse().ok()).next(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `a.iter().find_map(|s| s.parse().ok())` + +error: aborting due to 2 previous errors diff --git a/src/tools/clippy/tests/ui/format_args.fixed b/src/tools/clippy/tests/ui/format_args.fixed index 24cf0847dd5..825e122be5a 100644 --- a/src/tools/clippy/tests/ui/format_args.fixed +++ b/src/tools/clippy/tests/ui/format_args.fixed @@ -3,6 +3,7 @@ #![allow(unused)] #![allow( clippy::assertions_on_constants, + clippy::double_parens, clippy::eq_op, clippy::print_literal, clippy::uninlined_format_args @@ -114,6 +115,8 @@ fn main() { println!("error: something failed at {}", my_other_macro!()); // https://github.com/rust-lang/rust-clippy/issues/7903 println!("{foo}{foo:?}", foo = "foo".to_string()); + print!("{}", (Location::caller())); + print!("{}", ((Location::caller()))); } fn issue8643(vendor_id: usize, product_id: usize, name: &str) { diff --git a/src/tools/clippy/tests/ui/format_args.rs b/src/tools/clippy/tests/ui/format_args.rs index 753babf0afd..a41e53389e5 100644 --- a/src/tools/clippy/tests/ui/format_args.rs +++ b/src/tools/clippy/tests/ui/format_args.rs @@ -3,6 +3,7 @@ #![allow(unused)] #![allow( clippy::assertions_on_constants, + clippy::double_parens, clippy::eq_op, clippy::print_literal, clippy::uninlined_format_args @@ -114,6 +115,8 @@ fn main() { println!("error: something failed at {}", my_other_macro!()); // https://github.com/rust-lang/rust-clippy/issues/7903 println!("{foo}{foo:?}", foo = "foo".to_string()); + print!("{}", (Location::caller().to_string())); + print!("{}", ((Location::caller()).to_string())); } fn issue8643(vendor_id: usize, product_id: usize, name: &str) { diff --git a/src/tools/clippy/tests/ui/format_args.stderr b/src/tools/clippy/tests/ui/format_args.stderr index 68b0bb9e089..f1832b97019 100644 --- a/src/tools/clippy/tests/ui/format_args.stderr +++ b/src/tools/clippy/tests/ui/format_args.stderr @@ -1,5 +1,5 @@ error: `to_string` applied to a type that implements `Display` in `format!` args - --> $DIR/format_args.rs:76:72 + --> $DIR/format_args.rs:77:72 | LL | let _ = format!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this @@ -7,136 +7,148 @@ LL | let _ = format!("error: something failed at {}", Location::caller().to_ = note: `-D clippy::to-string-in-format-args` implied by `-D warnings` error: `to_string` applied to a type that implements `Display` in `write!` args - --> $DIR/format_args.rs:80:27 + --> $DIR/format_args.rs:81:27 | LL | Location::caller().to_string() | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `writeln!` args - --> $DIR/format_args.rs:85:27 + --> $DIR/format_args.rs:86:27 | LL | Location::caller().to_string() | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `print!` args - --> $DIR/format_args.rs:87:63 + --> $DIR/format_args.rs:88:63 | LL | print!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:88:65 + --> $DIR/format_args.rs:89:65 | LL | println!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `eprint!` args - --> $DIR/format_args.rs:89:64 + --> $DIR/format_args.rs:90:64 | LL | eprint!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `eprintln!` args - --> $DIR/format_args.rs:90:66 + --> $DIR/format_args.rs:91:66 | LL | eprintln!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `format_args!` args - --> $DIR/format_args.rs:91:77 + --> $DIR/format_args.rs:92:77 | LL | let _ = format_args!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `assert!` args - --> $DIR/format_args.rs:92:70 + --> $DIR/format_args.rs:93:70 | LL | assert!(true, "error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `assert_eq!` args - --> $DIR/format_args.rs:93:73 + --> $DIR/format_args.rs:94:73 | LL | assert_eq!(0, 0, "error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `assert_ne!` args - --> $DIR/format_args.rs:94:73 + --> $DIR/format_args.rs:95:73 | LL | assert_ne!(0, 0, "error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `panic!` args - --> $DIR/format_args.rs:95:63 + --> $DIR/format_args.rs:96:63 | LL | panic!("error: something failed at {}", Location::caller().to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:96:20 + --> $DIR/format_args.rs:97:20 | LL | println!("{}", X(1).to_string()); | ^^^^^^^^^^^^^^^^ help: use this: `*X(1)` error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:97:20 + --> $DIR/format_args.rs:98:20 | LL | println!("{}", Y(&X(1)).to_string()); | ^^^^^^^^^^^^^^^^^^^^ help: use this: `***Y(&X(1))` error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:98:24 + --> $DIR/format_args.rs:99:24 | LL | println!("{}", Z(1).to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:99:20 + --> $DIR/format_args.rs:100:20 | LL | println!("{}", x.to_string()); | ^^^^^^^^^^^^^ help: use this: `**x` error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:100:20 + --> $DIR/format_args.rs:101:20 | LL | println!("{}", x_ref.to_string()); | ^^^^^^^^^^^^^^^^^ help: use this: `***x_ref` error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:102:39 + --> $DIR/format_args.rs:103:39 | LL | println!("{foo}{bar}", foo = "foo".to_string(), bar = "bar"); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:103:52 + --> $DIR/format_args.rs:104:52 | LL | println!("{foo}{bar}", foo = "foo", bar = "bar".to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:104:39 + --> $DIR/format_args.rs:105:39 | LL | println!("{foo}{bar}", bar = "bar".to_string(), foo = "foo"); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:105:52 + --> $DIR/format_args.rs:106:52 | LL | println!("{foo}{bar}", bar = "bar", foo = "foo".to_string()); | ^^^^^^^^^^^^ help: remove this +error: `to_string` applied to a type that implements `Display` in `print!` args + --> $DIR/format_args.rs:118:37 + | +LL | print!("{}", (Location::caller().to_string())); + | ^^^^^^^^^^^^ help: remove this + +error: `to_string` applied to a type that implements `Display` in `print!` args + --> $DIR/format_args.rs:119:39 + | +LL | print!("{}", ((Location::caller()).to_string())); + | ^^^^^^^^^^^^ help: remove this + error: `to_string` applied to a type that implements `Display` in `format!` args - --> $DIR/format_args.rs:144:38 + --> $DIR/format_args.rs:147:38 | LL | let x = format!("{} {}", a, b.to_string()); | ^^^^^^^^^^^^ help: remove this error: `to_string` applied to a type that implements `Display` in `println!` args - --> $DIR/format_args.rs:158:24 + --> $DIR/format_args.rs:161:24 | LL | println!("{}", original[..10].to_string()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use this: `&original[..10]` -error: aborting due to 23 previous errors +error: aborting due to 25 previous errors diff --git a/src/tools/clippy/tests/ui/from_over_into.fixed b/src/tools/clippy/tests/ui/from_over_into.fixed new file mode 100644 index 00000000000..1cf49ca45f4 --- /dev/null +++ b/src/tools/clippy/tests/ui/from_over_into.fixed @@ -0,0 +1,87 @@ +// run-rustfix + +#![feature(custom_inner_attributes)] +#![warn(clippy::from_over_into)] +#![allow(unused)] + +// this should throw an error +struct StringWrapper(String); + +impl From<String> for StringWrapper { + fn from(val: String) -> Self { + StringWrapper(val) + } +} + +struct SelfType(String); + +impl From<String> for SelfType { + fn from(val: String) -> Self { + SelfType(String::new()) + } +} + +#[derive(Default)] +struct X; + +impl X { + const FOO: &'static str = "a"; +} + +struct SelfKeywords; + +impl From<X> for SelfKeywords { + fn from(val: X) -> Self { + let _ = X::default(); + let _ = X::FOO; + let _: X = val; + + SelfKeywords + } +} + +struct ExplicitPaths(bool); + +impl core::convert::From<crate::ExplicitPaths> for bool { + fn from(mut val: crate::ExplicitPaths) -> Self { + let in_closure = || val.0; + + val.0 = false; + val.0 + } +} + +// this is fine +struct A(String); + +impl From<String> for A { + fn from(s: String) -> A { + A(s) + } +} + +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + struct FromOverInto<T>(Vec<T>); + + impl<T> Into<FromOverInto<T>> for Vec<T> { + fn into(self) -> FromOverInto<T> { + FromOverInto(self) + } + } +} + +fn msrv_1_41() { + #![clippy::msrv = "1.41"] + + struct FromOverInto<T>(Vec<T>); + + impl<T> From<Vec<T>> for FromOverInto<T> { + fn from(val: Vec<T>) -> Self { + FromOverInto(val) + } + } +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui/from_over_into.rs b/src/tools/clippy/tests/ui/from_over_into.rs index 292d0924fb1..d30f3c3fc92 100644 --- a/src/tools/clippy/tests/ui/from_over_into.rs +++ b/src/tools/clippy/tests/ui/from_over_into.rs @@ -1,4 +1,8 @@ +// run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::from_over_into)] +#![allow(unused)] // this should throw an error struct StringWrapper(String); @@ -9,6 +13,44 @@ impl Into<StringWrapper> for String { } } +struct SelfType(String); + +impl Into<SelfType> for String { + fn into(self) -> SelfType { + SelfType(Self::new()) + } +} + +#[derive(Default)] +struct X; + +impl X { + const FOO: &'static str = "a"; +} + +struct SelfKeywords; + +impl Into<SelfKeywords> for X { + fn into(self) -> SelfKeywords { + let _ = Self::default(); + let _ = Self::FOO; + let _: Self = self; + + SelfKeywords + } +} + +struct ExplicitPaths(bool); + +impl core::convert::Into<bool> for crate::ExplicitPaths { + fn into(mut self) -> bool { + let in_closure = || self.0; + + self.0 = false; + self.0 + } +} + // this is fine struct A(String); @@ -18,4 +60,28 @@ impl From<String> for A { } } +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + struct FromOverInto<T>(Vec<T>); + + impl<T> Into<FromOverInto<T>> for Vec<T> { + fn into(self) -> FromOverInto<T> { + FromOverInto(self) + } + } +} + +fn msrv_1_41() { + #![clippy::msrv = "1.41"] + + struct FromOverInto<T>(Vec<T>); + + impl<T> Into<FromOverInto<T>> for Vec<T> { + fn into(self) -> FromOverInto<T> { + FromOverInto(self) + } + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/from_over_into.stderr b/src/tools/clippy/tests/ui/from_over_into.stderr index 469adadd219..9c2a7c04c36 100644 --- a/src/tools/clippy/tests/ui/from_over_into.stderr +++ b/src/tools/clippy/tests/ui/from_over_into.stderr @@ -1,11 +1,75 @@ error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true - --> $DIR/from_over_into.rs:6:1 + --> $DIR/from_over_into.rs:10:1 | LL | impl Into<StringWrapper> for String { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: consider to implement `From<std::string::String>` instead = note: `-D clippy::from-over-into` implied by `-D warnings` +help: replace the `Into` implentation with `From<std::string::String>` + | +LL ~ impl From<String> for StringWrapper { +LL ~ fn from(val: String) -> Self { +LL ~ StringWrapper(val) + | + +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into.rs:18:1 + | +LL | impl Into<SelfType> for String { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace the `Into` implentation with `From<std::string::String>` + | +LL ~ impl From<String> for SelfType { +LL ~ fn from(val: String) -> Self { +LL ~ SelfType(String::new()) + | + +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into.rs:33:1 + | +LL | impl Into<SelfKeywords> for X { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace the `Into` implentation with `From<X>` + | +LL ~ impl From<X> for SelfKeywords { +LL ~ fn from(val: X) -> Self { +LL ~ let _ = X::default(); +LL ~ let _ = X::FOO; +LL ~ let _: X = val; + | + +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into.rs:45:1 + | +LL | impl core::convert::Into<bool> for crate::ExplicitPaths { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: `impl From<Local> for Foreign` is allowed by the orphan rules, for more information see + https://doc.rust-lang.org/reference/items/implementations.html#trait-implementation-coherence +help: replace the `Into` implentation with `From<ExplicitPaths>` + | +LL ~ impl core::convert::From<crate::ExplicitPaths> for bool { +LL ~ fn from(mut val: crate::ExplicitPaths) -> Self { +LL ~ let in_closure = || val.0; +LL | +LL ~ val.0 = false; +LL ~ val.0 + | + +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into.rs:80:5 + | +LL | impl<T> Into<FromOverInto<T>> for Vec<T> { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace the `Into` implentation with `From<std::vec::Vec<T>>` + | +LL ~ impl<T> From<Vec<T>> for FromOverInto<T> { +LL ~ fn from(val: Vec<T>) -> Self { +LL ~ FromOverInto(val) + | -error: aborting due to previous error +error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/from_over_into_unfixable.rs b/src/tools/clippy/tests/ui/from_over_into_unfixable.rs new file mode 100644 index 00000000000..3b280b7488a --- /dev/null +++ b/src/tools/clippy/tests/ui/from_over_into_unfixable.rs @@ -0,0 +1,35 @@ +#![warn(clippy::from_over_into)] + +struct InMacro(String); + +macro_rules! in_macro { + ($e:ident) => { + $e + }; +} + +impl Into<InMacro> for String { + fn into(self) -> InMacro { + InMacro(in_macro!(self)) + } +} + +struct WeirdUpperSelf; + +impl Into<WeirdUpperSelf> for &'static [u8] { + fn into(self) -> WeirdUpperSelf { + let _ = Self::default(); + WeirdUpperSelf + } +} + +struct ContainsVal; + +impl Into<u8> for ContainsVal { + fn into(self) -> u8 { + let val = 1; + val + 1 + } +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui/from_over_into_unfixable.stderr b/src/tools/clippy/tests/ui/from_over_into_unfixable.stderr new file mode 100644 index 00000000000..6f6ce351921 --- /dev/null +++ b/src/tools/clippy/tests/ui/from_over_into_unfixable.stderr @@ -0,0 +1,29 @@ +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into_unfixable.rs:11:1 + | +LL | impl Into<InMacro> for String { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: replace the `Into` implentation with `From<std::string::String>` + = note: `-D clippy::from-over-into` implied by `-D warnings` + +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into_unfixable.rs:19:1 + | +LL | impl Into<WeirdUpperSelf> for &'static [u8] { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: replace the `Into` implentation with `From<&'static [u8]>` + +error: an implementation of `From` is preferred since it gives you `Into<_>` for free where the reverse isn't true + --> $DIR/from_over_into_unfixable.rs:28:1 + | +LL | impl Into<u8> for ContainsVal { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: `impl From<Local> for Foreign` is allowed by the orphan rules, for more information see + https://doc.rust-lang.org/reference/items/implementations.html#trait-implementation-coherence + = help: replace the `Into` implentation with `From<ContainsVal>` + +error: aborting due to 3 previous errors + diff --git a/src/tools/clippy/tests/ui/implicit_saturating_sub.fixed b/src/tools/clippy/tests/ui/implicit_saturating_sub.fixed index e6f57e9267e..93df81b1a7f 100644 --- a/src/tools/clippy/tests/ui/implicit_saturating_sub.fixed +++ b/src/tools/clippy/tests/ui/implicit_saturating_sub.fixed @@ -2,6 +2,21 @@ #![allow(unused_assignments, unused_mut, clippy::assign_op_pattern)] #![warn(clippy::implicit_saturating_sub)] +use std::cmp::PartialEq; +use std::ops::SubAssign; +// Mock type +struct Mock; + +impl PartialEq<u32> for Mock { + fn eq(&self, _: &u32) -> bool { + true + } +} + +impl SubAssign<u32> for Mock { + fn sub_assign(&mut self, _: u32) {} +} + fn main() { // Tests for unsigned integers @@ -165,4 +180,39 @@ fn main() { } else { println!("side effect"); } + + // Extended tests + let mut m = Mock; + let mut u_32 = 3000; + let a = 200; + let mut _b = 8; + + if m != 0 { + m -= 1; + } + + if a > 0 { + _b -= 1; + } + + if 0 > a { + _b -= 1; + } + + if u_32 > 0 { + u_32 -= 1; + } else { + println!("don't lint this"); + } + + if u_32 > 0 { + println!("don't lint this"); + u_32 -= 1; + } + + if u_32 > 42 { + println!("brace yourself!"); + } else if u_32 > 0 { + u_32 -= 1; + } } diff --git a/src/tools/clippy/tests/ui/implicit_saturating_sub.rs b/src/tools/clippy/tests/ui/implicit_saturating_sub.rs index 8bb28d149c6..8340bc8264d 100644 --- a/src/tools/clippy/tests/ui/implicit_saturating_sub.rs +++ b/src/tools/clippy/tests/ui/implicit_saturating_sub.rs @@ -2,6 +2,21 @@ #![allow(unused_assignments, unused_mut, clippy::assign_op_pattern)] #![warn(clippy::implicit_saturating_sub)] +use std::cmp::PartialEq; +use std::ops::SubAssign; +// Mock type +struct Mock; + +impl PartialEq<u32> for Mock { + fn eq(&self, _: &u32) -> bool { + true + } +} + +impl SubAssign<u32> for Mock { + fn sub_assign(&mut self, _: u32) {} +} + fn main() { // Tests for unsigned integers @@ -211,4 +226,39 @@ fn main() { } else { println!("side effect"); } + + // Extended tests + let mut m = Mock; + let mut u_32 = 3000; + let a = 200; + let mut _b = 8; + + if m != 0 { + m -= 1; + } + + if a > 0 { + _b -= 1; + } + + if 0 > a { + _b -= 1; + } + + if u_32 > 0 { + u_32 -= 1; + } else { + println!("don't lint this"); + } + + if u_32 > 0 { + println!("don't lint this"); + u_32 -= 1; + } + + if u_32 > 42 { + println!("brace yourself!"); + } else if u_32 > 0 { + u_32 -= 1; + } } diff --git a/src/tools/clippy/tests/ui/implicit_saturating_sub.stderr b/src/tools/clippy/tests/ui/implicit_saturating_sub.stderr index 5bb9a606422..5e589d931e4 100644 --- a/src/tools/clippy/tests/ui/implicit_saturating_sub.stderr +++ b/src/tools/clippy/tests/ui/implicit_saturating_sub.stderr @@ -1,5 +1,5 @@ error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:13:5 + --> $DIR/implicit_saturating_sub.rs:28:5 | LL | / if u_8 > 0 { LL | | u_8 = u_8 - 1; @@ -9,7 +9,7 @@ LL | | } = note: `-D clippy::implicit-saturating-sub` implied by `-D warnings` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:20:13 + --> $DIR/implicit_saturating_sub.rs:35:13 | LL | / if u_8 > 0 { LL | | u_8 -= 1; @@ -17,7 +17,7 @@ LL | | } | |_____________^ help: try: `u_8 = u_8.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:34:5 + --> $DIR/implicit_saturating_sub.rs:49:5 | LL | / if u_16 > 0 { LL | | u_16 -= 1; @@ -25,7 +25,7 @@ LL | | } | |_____^ help: try: `u_16 = u_16.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:44:5 + --> $DIR/implicit_saturating_sub.rs:59:5 | LL | / if u_32 != 0 { LL | | u_32 -= 1; @@ -33,7 +33,7 @@ LL | | } | |_____^ help: try: `u_32 = u_32.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:65:5 + --> $DIR/implicit_saturating_sub.rs:80:5 | LL | / if u_64 > 0 { LL | | u_64 -= 1; @@ -41,7 +41,7 @@ LL | | } | |_____^ help: try: `u_64 = u_64.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:70:5 + --> $DIR/implicit_saturating_sub.rs:85:5 | LL | / if 0 < u_64 { LL | | u_64 -= 1; @@ -49,7 +49,7 @@ LL | | } | |_____^ help: try: `u_64 = u_64.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:75:5 + --> $DIR/implicit_saturating_sub.rs:90:5 | LL | / if 0 != u_64 { LL | | u_64 -= 1; @@ -57,7 +57,7 @@ LL | | } | |_____^ help: try: `u_64 = u_64.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:96:5 + --> $DIR/implicit_saturating_sub.rs:111:5 | LL | / if u_usize > 0 { LL | | u_usize -= 1; @@ -65,7 +65,7 @@ LL | | } | |_____^ help: try: `u_usize = u_usize.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:108:5 + --> $DIR/implicit_saturating_sub.rs:123:5 | LL | / if i_8 > i8::MIN { LL | | i_8 -= 1; @@ -73,7 +73,7 @@ LL | | } | |_____^ help: try: `i_8 = i_8.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:113:5 + --> $DIR/implicit_saturating_sub.rs:128:5 | LL | / if i_8 > i8::MIN { LL | | i_8 -= 1; @@ -81,7 +81,7 @@ LL | | } | |_____^ help: try: `i_8 = i_8.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:118:5 + --> $DIR/implicit_saturating_sub.rs:133:5 | LL | / if i_8 != i8::MIN { LL | | i_8 -= 1; @@ -89,7 +89,7 @@ LL | | } | |_____^ help: try: `i_8 = i_8.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:123:5 + --> $DIR/implicit_saturating_sub.rs:138:5 | LL | / if i_8 != i8::MIN { LL | | i_8 -= 1; @@ -97,7 +97,7 @@ LL | | } | |_____^ help: try: `i_8 = i_8.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:133:5 + --> $DIR/implicit_saturating_sub.rs:148:5 | LL | / if i_16 > i16::MIN { LL | | i_16 -= 1; @@ -105,7 +105,7 @@ LL | | } | |_____^ help: try: `i_16 = i_16.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:138:5 + --> $DIR/implicit_saturating_sub.rs:153:5 | LL | / if i_16 > i16::MIN { LL | | i_16 -= 1; @@ -113,7 +113,7 @@ LL | | } | |_____^ help: try: `i_16 = i_16.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:143:5 + --> $DIR/implicit_saturating_sub.rs:158:5 | LL | / if i_16 != i16::MIN { LL | | i_16 -= 1; @@ -121,7 +121,7 @@ LL | | } | |_____^ help: try: `i_16 = i_16.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:148:5 + --> $DIR/implicit_saturating_sub.rs:163:5 | LL | / if i_16 != i16::MIN { LL | | i_16 -= 1; @@ -129,7 +129,7 @@ LL | | } | |_____^ help: try: `i_16 = i_16.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:158:5 + --> $DIR/implicit_saturating_sub.rs:173:5 | LL | / if i_32 > i32::MIN { LL | | i_32 -= 1; @@ -137,7 +137,7 @@ LL | | } | |_____^ help: try: `i_32 = i_32.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:163:5 + --> $DIR/implicit_saturating_sub.rs:178:5 | LL | / if i_32 > i32::MIN { LL | | i_32 -= 1; @@ -145,7 +145,7 @@ LL | | } | |_____^ help: try: `i_32 = i_32.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:168:5 + --> $DIR/implicit_saturating_sub.rs:183:5 | LL | / if i_32 != i32::MIN { LL | | i_32 -= 1; @@ -153,7 +153,7 @@ LL | | } | |_____^ help: try: `i_32 = i_32.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:173:5 + --> $DIR/implicit_saturating_sub.rs:188:5 | LL | / if i_32 != i32::MIN { LL | | i_32 -= 1; @@ -161,7 +161,7 @@ LL | | } | |_____^ help: try: `i_32 = i_32.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:183:5 + --> $DIR/implicit_saturating_sub.rs:198:5 | LL | / if i64::MIN < i_64 { LL | | i_64 -= 1; @@ -169,7 +169,7 @@ LL | | } | |_____^ help: try: `i_64 = i_64.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:188:5 + --> $DIR/implicit_saturating_sub.rs:203:5 | LL | / if i64::MIN != i_64 { LL | | i_64 -= 1; @@ -177,7 +177,7 @@ LL | | } | |_____^ help: try: `i_64 = i_64.saturating_sub(1);` error: implicitly performing saturating subtraction - --> $DIR/implicit_saturating_sub.rs:193:5 + --> $DIR/implicit_saturating_sub.rs:208:5 | LL | / if i64::MIN < i_64 { LL | | i_64 -= 1; diff --git a/src/tools/clippy/tests/ui/literals.rs b/src/tools/clippy/tests/ui/literals.rs index 0cadd5a3da1..1a646e49ce3 100644 --- a/src/tools/clippy/tests/ui/literals.rs +++ b/src/tools/clippy/tests/ui/literals.rs @@ -40,3 +40,10 @@ fn main() { let ok26 = 0x6_A0_BF; let ok27 = 0b1_0010_0101; } + +fn issue9651() { + // lint but octal form is not possible here + let _ = 08; + let _ = 09; + let _ = 089; +} diff --git a/src/tools/clippy/tests/ui/literals.stderr b/src/tools/clippy/tests/ui/literals.stderr index 365b2407473..603d47bacca 100644 --- a/src/tools/clippy/tests/ui/literals.stderr +++ b/src/tools/clippy/tests/ui/literals.stderr @@ -135,5 +135,38 @@ error: digits of hex or binary literal not grouped by four LL | let fail25 = 0b01_100_101; | ^^^^^^^^^^^^ help: consider: `0b0110_0101` -error: aborting due to 18 previous errors +error: this is a decimal constant + --> $DIR/literals.rs:46:13 + | +LL | let _ = 08; + | ^^ + | +help: if you mean to use a decimal constant, remove the `0` to avoid confusion + | +LL | let _ = 8; + | ~ + +error: this is a decimal constant + --> $DIR/literals.rs:47:13 + | +LL | let _ = 09; + | ^^ + | +help: if you mean to use a decimal constant, remove the `0` to avoid confusion + | +LL | let _ = 9; + | ~ + +error: this is a decimal constant + --> $DIR/literals.rs:48:13 + | +LL | let _ = 089; + | ^^^ + | +help: if you mean to use a decimal constant, remove the `0` to avoid confusion + | +LL | let _ = 89; + | ~~ + +error: aborting due to 21 previous errors diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed b/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed index 26e3b8f63e7..c9a819ba535 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed +++ b/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed @@ -1,6 +1,6 @@ // revisions: edition2018 edition2021 -// [edition2018] edition:2018 -// [edition2021] edition:2021 +//[edition2018] edition:2018 +//[edition2021] edition:2021 // run-rustfix #![warn(clippy::manual_assert)] @@ -29,7 +29,9 @@ fn main() { panic!("qaqaq{:?}", a); } assert!(a.is_empty(), "qaqaq{:?}", a); - assert!(a.is_empty(), "qwqwq"); + if !a.is_empty() { + panic!("qwqwq"); + } if a.len() == 3 { println!("qwq"); println!("qwq"); @@ -44,21 +46,32 @@ fn main() { println!("qwq"); } let b = vec![1, 2, 3]; - assert!(!b.is_empty(), "panic1"); - assert!(!(b.is_empty() && a.is_empty()), "panic2"); - assert!(!(a.is_empty() && !b.is_empty()), "panic3"); - assert!(!(b.is_empty() || a.is_empty()), "panic4"); - assert!(!(a.is_empty() || !b.is_empty()), "panic5"); + if b.is_empty() { + panic!("panic1"); + } + if b.is_empty() && a.is_empty() { + panic!("panic2"); + } + if a.is_empty() && !b.is_empty() { + panic!("panic3"); + } + if b.is_empty() || a.is_empty() { + panic!("panic4"); + } + if a.is_empty() || !b.is_empty() { + panic!("panic5"); + } assert!(!a.is_empty(), "with expansion {}", one!()); } fn issue7730(a: u8) { // Suggestion should preserve comment - // comment -/* this is a + if a > 2 { + // comment + /* this is a multiline comment */ -/// Doc comment -// comment after `panic!` -assert!(!(a > 2), "panic with comment"); + /// Doc comment + panic!("panic with comment") // comment after `panic!` + } } diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr b/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr index 7718588fdf6..1f2e1e3087b 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr +++ b/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr @@ -4,91 +4,9 @@ error: only a `panic!` in `if`-then statement LL | / if !a.is_empty() { LL | | panic!("qaqaq{:?}", a); LL | | } - | |_____^ + | |_____^ help: try instead: `assert!(a.is_empty(), "qaqaq{:?}", a);` | = note: `-D clippy::manual-assert` implied by `-D warnings` -help: try instead - | -LL | assert!(a.is_empty(), "qaqaq{:?}", a); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:34:5 - | -LL | / if !a.is_empty() { -LL | | panic!("qwqwq"); -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(a.is_empty(), "qwqwq"); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:51:5 - | -LL | / if b.is_empty() { -LL | | panic!("panic1"); -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!b.is_empty(), "panic1"); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:54:5 - | -LL | / if b.is_empty() && a.is_empty() { -LL | | panic!("panic2"); -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(b.is_empty() && a.is_empty()), "panic2"); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:57:5 - | -LL | / if a.is_empty() && !b.is_empty() { -LL | | panic!("panic3"); -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(a.is_empty() && !b.is_empty()), "panic3"); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:60:5 - | -LL | / if b.is_empty() || a.is_empty() { -LL | | panic!("panic4"); -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(b.is_empty() || a.is_empty()), "panic4"); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:63:5 - | -LL | / if a.is_empty() || !b.is_empty() { -LL | | panic!("panic5"); -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(a.is_empty() || !b.is_empty()), "panic5"); - | error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:66:5 @@ -96,29 +14,7 @@ error: only a `panic!` in `if`-then statement LL | / if a.is_empty() { LL | | panic!("with expansion {}", one!()) LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!a.is_empty(), "with expansion {}", one!()); - | - -error: only a `panic!` in `if`-then statement - --> $DIR/manual_assert.rs:73:5 - | -LL | / if a > 2 { -LL | | // comment -LL | | /* this is a -LL | | multiline -... | -LL | | panic!("panic with comment") // comment after `panic!` -LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(a > 2), "panic with comment"); - | + | |_____^ help: try instead: `assert!(!a.is_empty(), "with expansion {}", one!());` -error: aborting due to 9 previous errors +error: aborting due to 2 previous errors diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2021.fixed b/src/tools/clippy/tests/ui/manual_assert.edition2021.fixed index 26e3b8f63e7..2f62de51cad 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2021.fixed +++ b/src/tools/clippy/tests/ui/manual_assert.edition2021.fixed @@ -1,6 +1,6 @@ // revisions: edition2018 edition2021 -// [edition2018] edition:2018 -// [edition2021] edition:2021 +//[edition2018] edition:2018 +//[edition2021] edition:2021 // run-rustfix #![warn(clippy::manual_assert)] diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr b/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr index 7718588fdf6..237638ee134 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr +++ b/src/tools/clippy/tests/ui/manual_assert.edition2021.stderr @@ -4,13 +4,9 @@ error: only a `panic!` in `if`-then statement LL | / if !a.is_empty() { LL | | panic!("qaqaq{:?}", a); LL | | } - | |_____^ + | |_____^ help: try instead: `assert!(a.is_empty(), "qaqaq{:?}", a);` | = note: `-D clippy::manual-assert` implied by `-D warnings` -help: try instead - | -LL | assert!(a.is_empty(), "qaqaq{:?}", a); - | error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:34:5 @@ -18,12 +14,7 @@ error: only a `panic!` in `if`-then statement LL | / if !a.is_empty() { LL | | panic!("qwqwq"); LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(a.is_empty(), "qwqwq"); - | + | |_____^ help: try instead: `assert!(a.is_empty(), "qwqwq");` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:51:5 @@ -31,12 +22,7 @@ error: only a `panic!` in `if`-then statement LL | / if b.is_empty() { LL | | panic!("panic1"); LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!b.is_empty(), "panic1"); - | + | |_____^ help: try instead: `assert!(!b.is_empty(), "panic1");` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:54:5 @@ -44,12 +30,7 @@ error: only a `panic!` in `if`-then statement LL | / if b.is_empty() && a.is_empty() { LL | | panic!("panic2"); LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(b.is_empty() && a.is_empty()), "panic2"); - | + | |_____^ help: try instead: `assert!(!(b.is_empty() && a.is_empty()), "panic2");` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:57:5 @@ -57,12 +38,7 @@ error: only a `panic!` in `if`-then statement LL | / if a.is_empty() && !b.is_empty() { LL | | panic!("panic3"); LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(a.is_empty() && !b.is_empty()), "panic3"); - | + | |_____^ help: try instead: `assert!(!(a.is_empty() && !b.is_empty()), "panic3");` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:60:5 @@ -70,12 +46,7 @@ error: only a `panic!` in `if`-then statement LL | / if b.is_empty() || a.is_empty() { LL | | panic!("panic4"); LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(b.is_empty() || a.is_empty()), "panic4"); - | + | |_____^ help: try instead: `assert!(!(b.is_empty() || a.is_empty()), "panic4");` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:63:5 @@ -83,12 +54,7 @@ error: only a `panic!` in `if`-then statement LL | / if a.is_empty() || !b.is_empty() { LL | | panic!("panic5"); LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!(a.is_empty() || !b.is_empty()), "panic5"); - | + | |_____^ help: try instead: `assert!(!(a.is_empty() || !b.is_empty()), "panic5");` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:66:5 @@ -96,12 +62,7 @@ error: only a `panic!` in `if`-then statement LL | / if a.is_empty() { LL | | panic!("with expansion {}", one!()) LL | | } - | |_____^ - | -help: try instead - | -LL | assert!(!a.is_empty(), "with expansion {}", one!()); - | + | |_____^ help: try instead: `assert!(!a.is_empty(), "with expansion {}", one!());` error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:73:5 diff --git a/src/tools/clippy/tests/ui/manual_assert.rs b/src/tools/clippy/tests/ui/manual_assert.rs index 8c37753071d..6a4cc2468d4 100644 --- a/src/tools/clippy/tests/ui/manual_assert.rs +++ b/src/tools/clippy/tests/ui/manual_assert.rs @@ -1,6 +1,6 @@ // revisions: edition2018 edition2021 -// [edition2018] edition:2018 -// [edition2021] edition:2021 +//[edition2018] edition:2018 +//[edition2021] edition:2021 // run-rustfix #![warn(clippy::manual_assert)] diff --git a/src/tools/clippy/tests/ui/manual_clamp.rs b/src/tools/clippy/tests/ui/manual_clamp.rs index 54fd888af99..331fd29b74e 100644 --- a/src/tools/clippy/tests/ui/manual_clamp.rs +++ b/src/tools/clippy/tests/ui/manual_clamp.rs @@ -1,3 +1,4 @@ +#![feature(custom_inner_attributes)] #![warn(clippy::manual_clamp)] #![allow( unused, @@ -302,3 +303,29 @@ fn dont_tell_me_what_to_do() { fn cmp_min_max(input: i32) -> i32 { input * 3 } + +fn msrv_1_49() { + #![clippy::msrv = "1.49"] + + let (input, min, max) = (0, -1, 2); + let _ = if input < min { + min + } else if input > max { + max + } else { + input + }; +} + +fn msrv_1_50() { + #![clippy::msrv = "1.50"] + + let (input, min, max) = (0, -1, 2); + let _ = if input < min { + min + } else if input > max { + max + } else { + input + }; +} diff --git a/src/tools/clippy/tests/ui/manual_clamp.stderr b/src/tools/clippy/tests/ui/manual_clamp.stderr index 0604f8606c3..70abe28091c 100644 --- a/src/tools/clippy/tests/ui/manual_clamp.stderr +++ b/src/tools/clippy/tests/ui/manual_clamp.stderr @@ -1,5 +1,5 @@ error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:76:5 + --> $DIR/manual_clamp.rs:77:5 | LL | / if x9 < min { LL | | x9 = min; @@ -13,7 +13,7 @@ LL | | } = note: `-D clippy::manual-clamp` implied by `-D warnings` error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:91:5 + --> $DIR/manual_clamp.rs:92:5 | LL | / if x11 > max { LL | | x11 = max; @@ -26,7 +26,7 @@ LL | | } = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:99:5 + --> $DIR/manual_clamp.rs:100:5 | LL | / if min > x12 { LL | | x12 = min; @@ -39,7 +39,7 @@ LL | | } = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:107:5 + --> $DIR/manual_clamp.rs:108:5 | LL | / if max < x13 { LL | | x13 = max; @@ -52,7 +52,7 @@ LL | | } = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:161:5 + --> $DIR/manual_clamp.rs:162:5 | LL | / if max < x33 { LL | | x33 = max; @@ -65,7 +65,7 @@ LL | | } = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:21:14 + --> $DIR/manual_clamp.rs:22:14 | LL | let x0 = if max < input { | ______________^ @@ -80,7 +80,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:29:14 + --> $DIR/manual_clamp.rs:30:14 | LL | let x1 = if input > max { | ______________^ @@ -95,7 +95,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:37:14 + --> $DIR/manual_clamp.rs:38:14 | LL | let x2 = if input < min { | ______________^ @@ -110,7 +110,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:45:14 + --> $DIR/manual_clamp.rs:46:14 | LL | let x3 = if min > input { | ______________^ @@ -125,7 +125,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:53:14 + --> $DIR/manual_clamp.rs:54:14 | LL | let x4 = input.max(min).min(max); | ^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(min, max)` @@ -133,7 +133,7 @@ LL | let x4 = input.max(min).min(max); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:55:14 + --> $DIR/manual_clamp.rs:56:14 | LL | let x5 = input.min(max).max(min); | ^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(min, max)` @@ -141,7 +141,7 @@ LL | let x5 = input.min(max).max(min); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:57:14 + --> $DIR/manual_clamp.rs:58:14 | LL | let x6 = match input { | ______________^ @@ -154,7 +154,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:63:14 + --> $DIR/manual_clamp.rs:64:14 | LL | let x7 = match input { | ______________^ @@ -167,7 +167,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:69:14 + --> $DIR/manual_clamp.rs:70:14 | LL | let x8 = match input { | ______________^ @@ -180,7 +180,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:83:15 + --> $DIR/manual_clamp.rs:84:15 | LL | let x10 = match input { | _______________^ @@ -193,7 +193,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:114:15 + --> $DIR/manual_clamp.rs:115:15 | LL | let x14 = if input > CONST_MAX { | _______________^ @@ -208,7 +208,7 @@ LL | | }; = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:123:19 + --> $DIR/manual_clamp.rs:124:19 | LL | let x15 = if input > max { | ___________________^ @@ -224,7 +224,7 @@ LL | | }; = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:134:19 + --> $DIR/manual_clamp.rs:135:19 | LL | let x16 = cmp_max(cmp_min(input, CONST_MAX), CONST_MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -232,7 +232,7 @@ LL | let x16 = cmp_max(cmp_min(input, CONST_MAX), CONST_MIN); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:135:19 + --> $DIR/manual_clamp.rs:136:19 | LL | let x17 = cmp_min(cmp_max(input, CONST_MIN), CONST_MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -240,7 +240,7 @@ LL | let x17 = cmp_min(cmp_max(input, CONST_MIN), CONST_MAX); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:136:19 + --> $DIR/manual_clamp.rs:137:19 | LL | let x18 = cmp_max(CONST_MIN, cmp_min(input, CONST_MAX)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -248,7 +248,7 @@ LL | let x18 = cmp_max(CONST_MIN, cmp_min(input, CONST_MAX)); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:137:19 + --> $DIR/manual_clamp.rs:138:19 | LL | let x19 = cmp_min(CONST_MAX, cmp_max(input, CONST_MIN)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -256,7 +256,7 @@ LL | let x19 = cmp_min(CONST_MAX, cmp_max(input, CONST_MIN)); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:138:19 + --> $DIR/manual_clamp.rs:139:19 | LL | let x20 = cmp_max(cmp_min(CONST_MAX, input), CONST_MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -264,7 +264,7 @@ LL | let x20 = cmp_max(cmp_min(CONST_MAX, input), CONST_MIN); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:139:19 + --> $DIR/manual_clamp.rs:140:19 | LL | let x21 = cmp_min(cmp_max(CONST_MIN, input), CONST_MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -272,7 +272,7 @@ LL | let x21 = cmp_min(cmp_max(CONST_MIN, input), CONST_MAX); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:140:19 + --> $DIR/manual_clamp.rs:141:19 | LL | let x22 = cmp_max(CONST_MIN, cmp_min(CONST_MAX, input)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -280,7 +280,7 @@ LL | let x22 = cmp_max(CONST_MIN, cmp_min(CONST_MAX, input)); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:141:19 + --> $DIR/manual_clamp.rs:142:19 | LL | let x23 = cmp_min(CONST_MAX, cmp_max(CONST_MIN, input)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_MIN, CONST_MAX)` @@ -288,7 +288,7 @@ LL | let x23 = cmp_min(CONST_MAX, cmp_max(CONST_MIN, input)); = note: clamp will panic if max < min error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:143:19 + --> $DIR/manual_clamp.rs:144:19 | LL | let x24 = f64::max(f64::min(input, CONST_F64_MAX), CONST_F64_MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -297,7 +297,7 @@ LL | let x24 = f64::max(f64::min(input, CONST_F64_MAX), CONST_F64_MIN); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:144:19 + --> $DIR/manual_clamp.rs:145:19 | LL | let x25 = f64::min(f64::max(input, CONST_F64_MIN), CONST_F64_MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -306,7 +306,7 @@ LL | let x25 = f64::min(f64::max(input, CONST_F64_MIN), CONST_F64_MAX); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:145:19 + --> $DIR/manual_clamp.rs:146:19 | LL | let x26 = f64::max(CONST_F64_MIN, f64::min(input, CONST_F64_MAX)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -315,7 +315,7 @@ LL | let x26 = f64::max(CONST_F64_MIN, f64::min(input, CONST_F64_MAX)); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:146:19 + --> $DIR/manual_clamp.rs:147:19 | LL | let x27 = f64::min(CONST_F64_MAX, f64::max(input, CONST_F64_MIN)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -324,7 +324,7 @@ LL | let x27 = f64::min(CONST_F64_MAX, f64::max(input, CONST_F64_MIN)); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:147:19 + --> $DIR/manual_clamp.rs:148:19 | LL | let x28 = f64::max(f64::min(CONST_F64_MAX, input), CONST_F64_MIN); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -333,7 +333,7 @@ LL | let x28 = f64::max(f64::min(CONST_F64_MAX, input), CONST_F64_MIN); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:148:19 + --> $DIR/manual_clamp.rs:149:19 | LL | let x29 = f64::min(f64::max(CONST_F64_MIN, input), CONST_F64_MAX); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -342,7 +342,7 @@ LL | let x29 = f64::min(f64::max(CONST_F64_MIN, input), CONST_F64_MAX); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:149:19 + --> $DIR/manual_clamp.rs:150:19 | LL | let x30 = f64::max(CONST_F64_MIN, f64::min(CONST_F64_MAX, input)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -351,7 +351,7 @@ LL | let x30 = f64::max(CONST_F64_MIN, f64::min(CONST_F64_MAX, input)); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:150:19 + --> $DIR/manual_clamp.rs:151:19 | LL | let x31 = f64::min(CONST_F64_MAX, f64::max(CONST_F64_MIN, input)); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace with clamp: `input.clamp(CONST_F64_MIN, CONST_F64_MAX)` @@ -360,7 +360,7 @@ LL | let x31 = f64::min(CONST_F64_MAX, f64::max(CONST_F64_MIN, input)); = note: clamp returns NaN if the input is NaN error: clamp-like pattern without using clamp function - --> $DIR/manual_clamp.rs:153:5 + --> $DIR/manual_clamp.rs:154:5 | LL | / if x32 < min { LL | | x32 = min; @@ -371,5 +371,20 @@ LL | | } | = note: clamp will panic if max < min -error: aborting due to 34 previous errors +error: clamp-like pattern without using clamp function + --> $DIR/manual_clamp.rs:324:13 + | +LL | let _ = if input < min { + | _____________^ +LL | | min +LL | | } else if input > max { +LL | | max +LL | | } else { +LL | | input +LL | | }; + | |_____^ help: replace with clamp: `input.clamp(min, max)` + | + = note: clamp will panic if max < min + +error: aborting due to 35 previous errors diff --git a/src/tools/clippy/tests/ui/manual_filter.fixed b/src/tools/clippy/tests/ui/manual_filter.fixed new file mode 100644 index 00000000000..3553291b87d --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_filter.fixed @@ -0,0 +1,119 @@ +// run-rustfix + +#![warn(clippy::manual_filter)] +#![allow(unused_variables, dead_code)] + +fn main() { + Some(0).filter(|&x| x <= 0); + + Some(1).filter(|&x| x <= 0); + + Some(2).filter(|&x| x <= 0); + + Some(3).filter(|&x| x > 0); + + let y = Some(4); + y.filter(|&x| x <= 0); + + Some(5).filter(|&x| x > 0); + + Some(6).as_ref().filter(|&x| x > &0); + + let external_cond = true; + Some(String::new()).filter(|x| external_cond); + + Some(7).filter(|&x| external_cond); + + Some(8).filter(|&x| x != 0); + + Some(9).filter(|&x| x > 10 && x < 100); + + const fn f1() { + // Don't lint, `.filter` is not const + match Some(10) { + Some(x) => { + if x > 10 && x < 100 { + Some(x) + } else { + None + } + }, + None => None, + }; + } + + #[allow(clippy::blocks_in_if_conditions)] + Some(11).filter(|&x| { + println!("foo"); + x > 10 && x < 100 + }); + + match Some(12) { + // Don't Lint, statement is lost by `.filter` + Some(x) => { + if x > 10 && x < 100 { + println!("foo"); + Some(x) + } else { + None + } + }, + None => None, + }; + + match Some(13) { + // Don't Lint, because of `None => Some(1)` + Some(x) => { + if x > 10 && x < 100 { + println!("foo"); + Some(x) + } else { + None + } + }, + None => Some(1), + }; + + unsafe fn f(x: u32) -> bool { + true + } + let _ = Some(14).filter(|&x| unsafe { f(x) }); + let _ = Some(15).filter(|&x| unsafe { f(x) }); + + #[allow(clippy::redundant_pattern_matching)] + if let Some(_) = Some(16) { + Some(16) + } else { Some(16).filter(|&x| x % 2 == 0) }; + + match Some((17, 17)) { + // Not linted for now could be + Some((x, y)) => { + if y != x { + Some((x, y)) + } else { + None + } + }, + None => None, + }; + + struct NamedTuple { + pub x: u8, + pub y: (i32, u32), + } + + match Some(NamedTuple { + // Not linted for now could be + x: 17, + y: (18, 19), + }) { + Some(NamedTuple { x, y }) => { + if y.1 != x as u32 { + Some(NamedTuple { x, y }) + } else { + None + } + }, + None => None, + }; +} diff --git a/src/tools/clippy/tests/ui/manual_filter.rs b/src/tools/clippy/tests/ui/manual_filter.rs new file mode 100644 index 00000000000..aa9f90f752b --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_filter.rs @@ -0,0 +1,243 @@ +// run-rustfix + +#![warn(clippy::manual_filter)] +#![allow(unused_variables, dead_code)] + +fn main() { + match Some(0) { + None => None, + Some(x) => { + if x > 0 { + None + } else { + Some(x) + } + }, + }; + + match Some(1) { + Some(x) => { + if x > 0 { + None + } else { + Some(x) + } + }, + None => None, + }; + + match Some(2) { + Some(x) => { + if x > 0 { + None + } else { + Some(x) + } + }, + _ => None, + }; + + match Some(3) { + Some(x) => { + if x > 0 { + Some(x) + } else { + None + } + }, + None => None, + }; + + let y = Some(4); + match y { + // Some(4) + None => None, + Some(x) => { + if x > 0 { + None + } else { + Some(x) + } + }, + }; + + match Some(5) { + Some(x) => { + if x > 0 { + Some(x) + } else { + None + } + }, + _ => None, + }; + + match Some(6) { + Some(ref x) => { + if x > &0 { + Some(x) + } else { + None + } + }, + _ => None, + }; + + let external_cond = true; + match Some(String::new()) { + Some(x) => { + if external_cond { + Some(x) + } else { + None + } + }, + _ => None, + }; + + if let Some(x) = Some(7) { + if external_cond { Some(x) } else { None } + } else { + None + }; + + match &Some(8) { + &Some(x) => { + if x != 0 { + Some(x) + } else { + None + } + }, + _ => None, + }; + + match Some(9) { + Some(x) => { + if x > 10 && x < 100 { + Some(x) + } else { + None + } + }, + None => None, + }; + + const fn f1() { + // Don't lint, `.filter` is not const + match Some(10) { + Some(x) => { + if x > 10 && x < 100 { + Some(x) + } else { + None + } + }, + None => None, + }; + } + + #[allow(clippy::blocks_in_if_conditions)] + match Some(11) { + // Lint, statement is preserved by `.filter` + Some(x) => { + if { + println!("foo"); + x > 10 && x < 100 + } { + Some(x) + } else { + None + } + }, + None => None, + }; + + match Some(12) { + // Don't Lint, statement is lost by `.filter` + Some(x) => { + if x > 10 && x < 100 { + println!("foo"); + Some(x) + } else { + None + } + }, + None => None, + }; + + match Some(13) { + // Don't Lint, because of `None => Some(1)` + Some(x) => { + if x > 10 && x < 100 { + println!("foo"); + Some(x) + } else { + None + } + }, + None => Some(1), + }; + + unsafe fn f(x: u32) -> bool { + true + } + let _ = match Some(14) { + Some(x) => { + if unsafe { f(x) } { + Some(x) + } else { + None + } + }, + None => None, + }; + let _ = match Some(15) { + Some(x) => unsafe { + if f(x) { Some(x) } else { None } + }, + None => None, + }; + + #[allow(clippy::redundant_pattern_matching)] + if let Some(_) = Some(16) { + Some(16) + } else if let Some(x) = Some(16) { + // Lint starting from here + if x % 2 == 0 { Some(x) } else { None } + } else { + None + }; + + match Some((17, 17)) { + // Not linted for now could be + Some((x, y)) => { + if y != x { + Some((x, y)) + } else { + None + } + }, + None => None, + }; + + struct NamedTuple { + pub x: u8, + pub y: (i32, u32), + } + + match Some(NamedTuple { + // Not linted for now could be + x: 17, + y: (18, 19), + }) { + Some(NamedTuple { x, y }) => { + if y.1 != x as u32 { + Some(NamedTuple { x, y }) + } else { + None + } + }, + None => None, + }; +} diff --git a/src/tools/clippy/tests/ui/manual_filter.stderr b/src/tools/clippy/tests/ui/manual_filter.stderr new file mode 100644 index 00000000000..53dea922930 --- /dev/null +++ b/src/tools/clippy/tests/ui/manual_filter.stderr @@ -0,0 +1,191 @@ +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:7:5 + | +LL | / match Some(0) { +LL | | None => None, +LL | | Some(x) => { +LL | | if x > 0 { +... | +LL | | }, +LL | | }; + | |_____^ help: try this: `Some(0).filter(|&x| x <= 0)` + | + = note: `-D clippy::manual-filter` implied by `-D warnings` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:18:5 + | +LL | / match Some(1) { +LL | | Some(x) => { +LL | | if x > 0 { +LL | | None +... | +LL | | None => None, +LL | | }; + | |_____^ help: try this: `Some(1).filter(|&x| x <= 0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:29:5 + | +LL | / match Some(2) { +LL | | Some(x) => { +LL | | if x > 0 { +LL | | None +... | +LL | | _ => None, +LL | | }; + | |_____^ help: try this: `Some(2).filter(|&x| x <= 0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:40:5 + | +LL | / match Some(3) { +LL | | Some(x) => { +LL | | if x > 0 { +LL | | Some(x) +... | +LL | | None => None, +LL | | }; + | |_____^ help: try this: `Some(3).filter(|&x| x > 0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:52:5 + | +LL | / match y { +LL | | // Some(4) +LL | | None => None, +LL | | Some(x) => { +... | +LL | | }, +LL | | }; + | |_____^ help: try this: `y.filter(|&x| x <= 0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:64:5 + | +LL | / match Some(5) { +LL | | Some(x) => { +LL | | if x > 0 { +LL | | Some(x) +... | +LL | | _ => None, +LL | | }; + | |_____^ help: try this: `Some(5).filter(|&x| x > 0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:75:5 + | +LL | / match Some(6) { +LL | | Some(ref x) => { +LL | | if x > &0 { +LL | | Some(x) +... | +LL | | _ => None, +LL | | }; + | |_____^ help: try this: `Some(6).as_ref().filter(|&x| x > &0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:87:5 + | +LL | / match Some(String::new()) { +LL | | Some(x) => { +LL | | if external_cond { +LL | | Some(x) +... | +LL | | _ => None, +LL | | }; + | |_____^ help: try this: `Some(String::new()).filter(|x| external_cond)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:98:5 + | +LL | / if let Some(x) = Some(7) { +LL | | if external_cond { Some(x) } else { None } +LL | | } else { +LL | | None +LL | | }; + | |_____^ help: try this: `Some(7).filter(|&x| external_cond)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:104:5 + | +LL | / match &Some(8) { +LL | | &Some(x) => { +LL | | if x != 0 { +LL | | Some(x) +... | +LL | | _ => None, +LL | | }; + | |_____^ help: try this: `Some(8).filter(|&x| x != 0)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:115:5 + | +LL | / match Some(9) { +LL | | Some(x) => { +LL | | if x > 10 && x < 100 { +LL | | Some(x) +... | +LL | | None => None, +LL | | }; + | |_____^ help: try this: `Some(9).filter(|&x| x > 10 && x < 100)` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:141:5 + | +LL | / match Some(11) { +LL | | // Lint, statement is preserved by `.filter` +LL | | Some(x) => { +LL | | if { +... | +LL | | None => None, +LL | | }; + | |_____^ + | +help: try this + | +LL ~ Some(11).filter(|&x| { +LL + println!("foo"); +LL + x > 10 && x < 100 +LL ~ }); + | + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:185:13 + | +LL | let _ = match Some(14) { + | _____________^ +LL | | Some(x) => { +LL | | if unsafe { f(x) } { +LL | | Some(x) +... | +LL | | None => None, +LL | | }; + | |_____^ help: try this: `Some(14).filter(|&x| unsafe { f(x) })` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:195:13 + | +LL | let _ = match Some(15) { + | _____________^ +LL | | Some(x) => unsafe { +LL | | if f(x) { Some(x) } else { None } +LL | | }, +LL | | None => None, +LL | | }; + | |_____^ help: try this: `Some(15).filter(|&x| unsafe { f(x) })` + +error: manual implementation of `Option::filter` + --> $DIR/manual_filter.rs:205:12 + | +LL | } else if let Some(x) = Some(16) { + | ____________^ +LL | | // Lint starting from here +LL | | if x % 2 == 0 { Some(x) } else { None } +LL | | } else { +LL | | None +LL | | }; + | |_____^ help: try this: `{ Some(16).filter(|&x| x % 2 == 0) }` + +error: aborting due to 15 previous errors + diff --git a/src/tools/clippy/tests/ui/manual_rem_euclid.fixed b/src/tools/clippy/tests/ui/manual_rem_euclid.fixed index 5601c96c10b..b942fbfe930 100644 --- a/src/tools/clippy/tests/ui/manual_rem_euclid.fixed +++ b/src/tools/clippy/tests/ui/manual_rem_euclid.fixed @@ -1,6 +1,7 @@ // run-rustfix // aux-build:macro_rules.rs +#![feature(custom_inner_attributes)] #![warn(clippy::manual_rem_euclid)] #[macro_use] @@ -53,3 +54,32 @@ pub fn rem_euclid_4(num: i32) -> i32 { pub const fn const_rem_euclid_4(num: i32) -> i32 { num.rem_euclid(4) } + +pub fn msrv_1_37() { + #![clippy::msrv = "1.37"] + + let x: i32 = 10; + let _: i32 = ((x % 4) + 4) % 4; +} + +pub fn msrv_1_38() { + #![clippy::msrv = "1.38"] + + let x: i32 = 10; + let _: i32 = x.rem_euclid(4); +} + +// For const fns: +pub const fn msrv_1_51() { + #![clippy::msrv = "1.51"] + + let x: i32 = 10; + let _: i32 = ((x % 4) + 4) % 4; +} + +pub const fn msrv_1_52() { + #![clippy::msrv = "1.52"] + + let x: i32 = 10; + let _: i32 = x.rem_euclid(4); +} diff --git a/src/tools/clippy/tests/ui/manual_rem_euclid.rs b/src/tools/clippy/tests/ui/manual_rem_euclid.rs index 52135be26b7..7462d532169 100644 --- a/src/tools/clippy/tests/ui/manual_rem_euclid.rs +++ b/src/tools/clippy/tests/ui/manual_rem_euclid.rs @@ -1,6 +1,7 @@ // run-rustfix // aux-build:macro_rules.rs +#![feature(custom_inner_attributes)] #![warn(clippy::manual_rem_euclid)] #[macro_use] @@ -53,3 +54,32 @@ pub fn rem_euclid_4(num: i32) -> i32 { pub const fn const_rem_euclid_4(num: i32) -> i32 { ((num % 4) + 4) % 4 } + +pub fn msrv_1_37() { + #![clippy::msrv = "1.37"] + + let x: i32 = 10; + let _: i32 = ((x % 4) + 4) % 4; +} + +pub fn msrv_1_38() { + #![clippy::msrv = "1.38"] + + let x: i32 = 10; + let _: i32 = ((x % 4) + 4) % 4; +} + +// For const fns: +pub const fn msrv_1_51() { + #![clippy::msrv = "1.51"] + + let x: i32 = 10; + let _: i32 = ((x % 4) + 4) % 4; +} + +pub const fn msrv_1_52() { + #![clippy::msrv = "1.52"] + + let x: i32 = 10; + let _: i32 = ((x % 4) + 4) % 4; +} diff --git a/src/tools/clippy/tests/ui/manual_rem_euclid.stderr b/src/tools/clippy/tests/ui/manual_rem_euclid.stderr index a237fd0213c..d51bac03b56 100644 --- a/src/tools/clippy/tests/ui/manual_rem_euclid.stderr +++ b/src/tools/clippy/tests/ui/manual_rem_euclid.stderr @@ -1,5 +1,5 @@ error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:19:18 + --> $DIR/manual_rem_euclid.rs:20:18 | LL | let _: i32 = ((value % 4) + 4) % 4; | ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `value.rem_euclid(4)` @@ -7,31 +7,31 @@ LL | let _: i32 = ((value % 4) + 4) % 4; = note: `-D clippy::manual-rem-euclid` implied by `-D warnings` error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:20:18 + --> $DIR/manual_rem_euclid.rs:21:18 | LL | let _: i32 = (4 + (value % 4)) % 4; | ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `value.rem_euclid(4)` error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:21:18 + --> $DIR/manual_rem_euclid.rs:22:18 | LL | let _: i32 = (value % 4 + 4) % 4; | ^^^^^^^^^^^^^^^^^^^ help: consider using: `value.rem_euclid(4)` error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:22:18 + --> $DIR/manual_rem_euclid.rs:23:18 | LL | let _: i32 = (4 + value % 4) % 4; | ^^^^^^^^^^^^^^^^^^^ help: consider using: `value.rem_euclid(4)` error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:23:22 + --> $DIR/manual_rem_euclid.rs:24:22 | LL | let _: i32 = 1 + (4 + value % 4) % 4; | ^^^^^^^^^^^^^^^^^^^ help: consider using: `value.rem_euclid(4)` error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:12:22 + --> $DIR/manual_rem_euclid.rs:13:22 | LL | let _: i32 = ((value % 4) + 4) % 4; | ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `value.rem_euclid(4)` @@ -42,16 +42,28 @@ LL | internal_rem_euclid!(); = note: this error originates in the macro `internal_rem_euclid` (in Nightly builds, run with -Z macro-backtrace for more info) error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:49:5 + --> $DIR/manual_rem_euclid.rs:50:5 | LL | ((num % 4) + 4) % 4 | ^^^^^^^^^^^^^^^^^^^ help: consider using: `num.rem_euclid(4)` error: manual `rem_euclid` implementation - --> $DIR/manual_rem_euclid.rs:54:5 + --> $DIR/manual_rem_euclid.rs:55:5 | LL | ((num % 4) + 4) % 4 | ^^^^^^^^^^^^^^^^^^^ help: consider using: `num.rem_euclid(4)` -error: aborting due to 8 previous errors +error: manual `rem_euclid` implementation + --> $DIR/manual_rem_euclid.rs:69:18 + | +LL | let _: i32 = ((x % 4) + 4) % 4; + | ^^^^^^^^^^^^^^^^^ help: consider using: `x.rem_euclid(4)` + +error: manual `rem_euclid` implementation + --> $DIR/manual_rem_euclid.rs:84:18 + | +LL | let _: i32 = ((x % 4) + 4) % 4; + | ^^^^^^^^^^^^^^^^^ help: consider using: `x.rem_euclid(4)` + +error: aborting due to 10 previous errors diff --git a/src/tools/clippy/tests/ui/manual_strip.rs b/src/tools/clippy/tests/ui/manual_strip.rs index cbb84eb5c7e..85009d78558 100644 --- a/src/tools/clippy/tests/ui/manual_strip.rs +++ b/src/tools/clippy/tests/ui/manual_strip.rs @@ -1,3 +1,4 @@ +#![feature(custom_inner_attributes)] #![warn(clippy::manual_strip)] fn main() { @@ -64,3 +65,21 @@ fn main() { s4[2..].to_string(); } } + +fn msrv_1_44() { + #![clippy::msrv = "1.44"] + + let s = "abc"; + if s.starts_with('a') { + s[1..].to_string(); + } +} + +fn msrv_1_45() { + #![clippy::msrv = "1.45"] + + let s = "abc"; + if s.starts_with('a') { + s[1..].to_string(); + } +} diff --git a/src/tools/clippy/tests/ui/manual_strip.stderr b/src/tools/clippy/tests/ui/manual_strip.stderr index 2191ccb85dd..ad2a362f3e7 100644 --- a/src/tools/clippy/tests/ui/manual_strip.stderr +++ b/src/tools/clippy/tests/ui/manual_strip.stderr @@ -1,11 +1,11 @@ error: stripping a prefix manually - --> $DIR/manual_strip.rs:7:24 + --> $DIR/manual_strip.rs:8:24 | LL | str::to_string(&s["ab".len()..]); | ^^^^^^^^^^^^^^^^ | note: the prefix was tested here - --> $DIR/manual_strip.rs:6:5 + --> $DIR/manual_strip.rs:7:5 | LL | if s.starts_with("ab") { | ^^^^^^^^^^^^^^^^^^^^^^^ @@ -21,13 +21,13 @@ LL ~ <stripped>.to_string(); | error: stripping a suffix manually - --> $DIR/manual_strip.rs:15:24 + --> $DIR/manual_strip.rs:16:24 | LL | str::to_string(&s[..s.len() - "bc".len()]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: the suffix was tested here - --> $DIR/manual_strip.rs:14:5 + --> $DIR/manual_strip.rs:15:5 | LL | if s.ends_with("bc") { | ^^^^^^^^^^^^^^^^^^^^^ @@ -42,13 +42,13 @@ LL ~ <stripped>.to_string(); | error: stripping a prefix manually - --> $DIR/manual_strip.rs:24:24 + --> $DIR/manual_strip.rs:25:24 | LL | str::to_string(&s[1..]); | ^^^^^^^ | note: the prefix was tested here - --> $DIR/manual_strip.rs:23:5 + --> $DIR/manual_strip.rs:24:5 | LL | if s.starts_with('a') { | ^^^^^^^^^^^^^^^^^^^^^^ @@ -60,13 +60,13 @@ LL ~ <stripped>.to_string(); | error: stripping a prefix manually - --> $DIR/manual_strip.rs:31:24 + --> $DIR/manual_strip.rs:32:24 | LL | str::to_string(&s[prefix.len()..]); | ^^^^^^^^^^^^^^^^^^ | note: the prefix was tested here - --> $DIR/manual_strip.rs:30:5 + --> $DIR/manual_strip.rs:31:5 | LL | if s.starts_with(prefix) { | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -77,13 +77,13 @@ LL ~ str::to_string(<stripped>); | error: stripping a prefix manually - --> $DIR/manual_strip.rs:37:24 + --> $DIR/manual_strip.rs:38:24 | LL | str::to_string(&s[PREFIX.len()..]); | ^^^^^^^^^^^^^^^^^^ | note: the prefix was tested here - --> $DIR/manual_strip.rs:36:5 + --> $DIR/manual_strip.rs:37:5 | LL | if s.starts_with(PREFIX) { | ^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -95,13 +95,13 @@ LL ~ str::to_string(<stripped>); | error: stripping a prefix manually - --> $DIR/manual_strip.rs:44:24 + --> $DIR/manual_strip.rs:45:24 | LL | str::to_string(&TARGET[prefix.len()..]); | ^^^^^^^^^^^^^^^^^^^^^^^ | note: the prefix was tested here - --> $DIR/manual_strip.rs:43:5 + --> $DIR/manual_strip.rs:44:5 | LL | if TARGET.starts_with(prefix) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -112,13 +112,13 @@ LL ~ str::to_string(<stripped>); | error: stripping a prefix manually - --> $DIR/manual_strip.rs:50:9 + --> $DIR/manual_strip.rs:51:9 | LL | s1[2..].to_uppercase(); | ^^^^^^^ | note: the prefix was tested here - --> $DIR/manual_strip.rs:49:5 + --> $DIR/manual_strip.rs:50:5 | LL | if s1.starts_with("ab") { | ^^^^^^^^^^^^^^^^^^^^^^^^ @@ -128,5 +128,22 @@ LL ~ if let Some(<stripped>) = s1.strip_prefix("ab") { LL ~ <stripped>.to_uppercase(); | -error: aborting due to 7 previous errors +error: stripping a prefix manually + --> $DIR/manual_strip.rs:83:9 + | +LL | s[1..].to_string(); + | ^^^^^^ + | +note: the prefix was tested here + --> $DIR/manual_strip.rs:82:5 + | +LL | if s.starts_with('a') { + | ^^^^^^^^^^^^^^^^^^^^^^ +help: try using the `strip_prefix` method + | +LL ~ if let Some(<stripped>) = s.strip_prefix('a') { +LL ~ <stripped>.to_string(); + | + +error: aborting due to 8 previous errors diff --git a/src/tools/clippy/tests/ui/map_unwrap_or.rs b/src/tools/clippy/tests/ui/map_unwrap_or.rs index 5429fb4e454..396b22a9abb 100644 --- a/src/tools/clippy/tests/ui/map_unwrap_or.rs +++ b/src/tools/clippy/tests/ui/map_unwrap_or.rs @@ -1,6 +1,8 @@ // aux-build:option_helpers.rs + +#![feature(custom_inner_attributes)] #![warn(clippy::map_unwrap_or)] -#![allow(clippy::uninlined_format_args)] +#![allow(clippy::uninlined_format_args, clippy::unnecessary_lazy_evaluations)] #[macro_use] extern crate option_helpers; @@ -79,3 +81,19 @@ fn main() { option_methods(); result_methods(); } + +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + let res: Result<i32, ()> = Ok(1); + + let _ = res.map(|x| x + 1).unwrap_or_else(|_e| 0); +} + +fn msrv_1_41() { + #![clippy::msrv = "1.41"] + + let res: Result<i32, ()> = Ok(1); + + let _ = res.map(|x| x + 1).unwrap_or_else(|_e| 0); +} diff --git a/src/tools/clippy/tests/ui/map_unwrap_or.stderr b/src/tools/clippy/tests/ui/map_unwrap_or.stderr index abc9c1ece32..d17d24a403e 100644 --- a/src/tools/clippy/tests/ui/map_unwrap_or.stderr +++ b/src/tools/clippy/tests/ui/map_unwrap_or.stderr @@ -1,5 +1,5 @@ error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead - --> $DIR/map_unwrap_or.rs:16:13 + --> $DIR/map_unwrap_or.rs:18:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ @@ -15,7 +15,7 @@ LL + let _ = opt.map_or(0, |x| x + 1); | error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead - --> $DIR/map_unwrap_or.rs:20:13 + --> $DIR/map_unwrap_or.rs:22:13 | LL | let _ = opt.map(|x| { | _____________^ @@ -33,7 +33,7 @@ LL ~ ); | error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead - --> $DIR/map_unwrap_or.rs:24:13 + --> $DIR/map_unwrap_or.rs:26:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ @@ -50,7 +50,7 @@ LL ~ }, |x| x + 1); | error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead - --> $DIR/map_unwrap_or.rs:29:13 + --> $DIR/map_unwrap_or.rs:31:13 | LL | let _ = opt.map(|x| Some(x + 1)).unwrap_or(None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -62,7 +62,7 @@ LL + let _ = opt.and_then(|x| Some(x + 1)); | error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead - --> $DIR/map_unwrap_or.rs:31:13 + --> $DIR/map_unwrap_or.rs:33:13 | LL | let _ = opt.map(|x| { | _____________^ @@ -80,7 +80,7 @@ LL ~ ); | error: called `map(<f>).unwrap_or(None)` on an `Option` value. This can be done more directly by calling `and_then(<f>)` instead - --> $DIR/map_unwrap_or.rs:35:13 + --> $DIR/map_unwrap_or.rs:37:13 | LL | let _ = opt | _____________^ @@ -95,7 +95,7 @@ LL + .and_then(|x| Some(x + 1)); | error: called `map(<f>).unwrap_or(<a>)` on an `Option` value. This can be done more directly by calling `map_or(<a>, <f>)` instead - --> $DIR/map_unwrap_or.rs:46:13 + --> $DIR/map_unwrap_or.rs:48:13 | LL | let _ = Some("prefix").map(|p| format!("{}.", p)).unwrap_or(id); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -107,7 +107,7 @@ LL + let _ = Some("prefix").map_or(id, |p| format!("{}.", p)); | error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead - --> $DIR/map_unwrap_or.rs:50:13 + --> $DIR/map_unwrap_or.rs:52:13 | LL | let _ = opt.map(|x| { | _____________^ @@ -117,7 +117,7 @@ LL | | ).unwrap_or_else(|| 0); | |__________________________^ error: called `map(<f>).unwrap_or_else(<g>)` on an `Option` value. This can be done more directly by calling `map_or_else(<g>, <f>)` instead - --> $DIR/map_unwrap_or.rs:54:13 + --> $DIR/map_unwrap_or.rs:56:13 | LL | let _ = opt.map(|x| x + 1) | _____________^ @@ -127,7 +127,7 @@ LL | | ); | |_________^ error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead - --> $DIR/map_unwrap_or.rs:66:13 + --> $DIR/map_unwrap_or.rs:68:13 | LL | let _ = res.map(|x| { | _____________^ @@ -137,7 +137,7 @@ LL | | ).unwrap_or_else(|_e| 0); | |____________________________^ error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead - --> $DIR/map_unwrap_or.rs:70:13 + --> $DIR/map_unwrap_or.rs:72:13 | LL | let _ = res.map(|x| x + 1) | _____________^ @@ -146,5 +146,11 @@ LL | | 0 LL | | }); | |__________^ -error: aborting due to 11 previous errors +error: called `map(<f>).unwrap_or_else(<g>)` on a `Result` value. This can be done more directly by calling `.map_or_else(<g>, <f>)` instead + --> $DIR/map_unwrap_or.rs:98:13 + | +LL | let _ = res.map(|x| x + 1).unwrap_or_else(|_e| 0); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `res.map_or_else(|_e| 0, |x| x + 1)` + +error: aborting due to 12 previous errors diff --git a/src/tools/clippy/tests/ui/match_expr_like_matches_macro.fixed b/src/tools/clippy/tests/ui/match_expr_like_matches_macro.fixed index 95ca571d07b..2498007694c 100644 --- a/src/tools/clippy/tests/ui/match_expr_like_matches_macro.fixed +++ b/src/tools/clippy/tests/ui/match_expr_like_matches_macro.fixed @@ -1,5 +1,6 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![warn(clippy::match_like_matches_macro)] #![allow(unreachable_patterns, dead_code, clippy::equatable_if_let)] @@ -193,3 +194,18 @@ fn main() { _ => false, }; } + +fn msrv_1_41() { + #![clippy::msrv = "1.41"] + + let _y = match Some(5) { + Some(0) => true, + _ => false, + }; +} + +fn msrv_1_42() { + #![clippy::msrv = "1.42"] + + let _y = matches!(Some(5), Some(0)); +} diff --git a/src/tools/clippy/tests/ui/match_expr_like_matches_macro.rs b/src/tools/clippy/tests/ui/match_expr_like_matches_macro.rs index 3b9c8cadadc..b4e48499bd0 100644 --- a/src/tools/clippy/tests/ui/match_expr_like_matches_macro.rs +++ b/src/tools/clippy/tests/ui/match_expr_like_matches_macro.rs @@ -1,5 +1,6 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![warn(clippy::match_like_matches_macro)] #![allow(unreachable_patterns, dead_code, clippy::equatable_if_let)] @@ -234,3 +235,21 @@ fn main() { _ => false, }; } + +fn msrv_1_41() { + #![clippy::msrv = "1.41"] + + let _y = match Some(5) { + Some(0) => true, + _ => false, + }; +} + +fn msrv_1_42() { + #![clippy::msrv = "1.42"] + + let _y = match Some(5) { + Some(0) => true, + _ => false, + }; +} diff --git a/src/tools/clippy/tests/ui/match_expr_like_matches_macro.stderr b/src/tools/clippy/tests/ui/match_expr_like_matches_macro.stderr index e94555e2744..f1d1c23aeb0 100644 --- a/src/tools/clippy/tests/ui/match_expr_like_matches_macro.stderr +++ b/src/tools/clippy/tests/ui/match_expr_like_matches_macro.stderr @@ -1,5 +1,5 @@ error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:10:14 + --> $DIR/match_expr_like_matches_macro.rs:11:14 | LL | let _y = match x { | ______________^ @@ -11,7 +11,7 @@ LL | | }; = note: `-D clippy::match-like-matches-macro` implied by `-D warnings` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:16:14 + --> $DIR/match_expr_like_matches_macro.rs:17:14 | LL | let _w = match x { | ______________^ @@ -21,7 +21,7 @@ LL | | }; | |_____^ help: try this: `matches!(x, Some(_))` error: redundant pattern matching, consider using `is_none()` - --> $DIR/match_expr_like_matches_macro.rs:22:14 + --> $DIR/match_expr_like_matches_macro.rs:23:14 | LL | let _z = match x { | ______________^ @@ -33,7 +33,7 @@ LL | | }; = note: `-D clippy::redundant-pattern-matching` implied by `-D warnings` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:28:15 + --> $DIR/match_expr_like_matches_macro.rs:29:15 | LL | let _zz = match x { | _______________^ @@ -43,13 +43,13 @@ LL | | }; | |_____^ help: try this: `!matches!(x, Some(r) if r == 0)` error: if let .. else expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:34:16 + --> $DIR/match_expr_like_matches_macro.rs:35:16 | LL | let _zzz = if let Some(5) = x { true } else { false }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try this: `matches!(x, Some(5))` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:58:20 + --> $DIR/match_expr_like_matches_macro.rs:59:20 | LL | let _ans = match x { | ____________________^ @@ -60,7 +60,7 @@ LL | | }; | |_________^ help: try this: `matches!(x, E::A(_) | E::B(_))` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:68:20 + --> $DIR/match_expr_like_matches_macro.rs:69:20 | LL | let _ans = match x { | ____________________^ @@ -73,7 +73,7 @@ LL | | }; | |_________^ help: try this: `matches!(x, E::A(_) | E::B(_))` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:78:20 + --> $DIR/match_expr_like_matches_macro.rs:79:20 | LL | let _ans = match x { | ____________________^ @@ -84,7 +84,7 @@ LL | | }; | |_________^ help: try this: `!matches!(x, E::B(_) | E::C)` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:138:18 + --> $DIR/match_expr_like_matches_macro.rs:139:18 | LL | let _z = match &z { | __________________^ @@ -94,7 +94,7 @@ LL | | }; | |_________^ help: try this: `matches!(z, Some(3))` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:147:18 + --> $DIR/match_expr_like_matches_macro.rs:148:18 | LL | let _z = match &z { | __________________^ @@ -104,7 +104,7 @@ LL | | }; | |_________^ help: try this: `matches!(&z, Some(3))` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:164:21 + --> $DIR/match_expr_like_matches_macro.rs:165:21 | LL | let _ = match &z { | _____________________^ @@ -114,7 +114,7 @@ LL | | }; | |_____________^ help: try this: `matches!(&z, AnEnum::X)` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:178:20 + --> $DIR/match_expr_like_matches_macro.rs:179:20 | LL | let _res = match &val { | ____________________^ @@ -124,7 +124,7 @@ LL | | }; | |_________^ help: try this: `matches!(&val, &Some(ref _a))` error: match expression looks like `matches!` macro - --> $DIR/match_expr_like_matches_macro.rs:190:20 + --> $DIR/match_expr_like_matches_macro.rs:191:20 | LL | let _res = match &val { | ____________________^ @@ -133,5 +133,15 @@ LL | | _ => false, LL | | }; | |_________^ help: try this: `matches!(&val, &Some(ref _a))` -error: aborting due to 13 previous errors +error: match expression looks like `matches!` macro + --> $DIR/match_expr_like_matches_macro.rs:251:14 + | +LL | let _y = match Some(5) { + | ______________^ +LL | | Some(0) => true, +LL | | _ => false, +LL | | }; + | |_____^ help: try this: `matches!(Some(5), Some(0))` + +error: aborting due to 14 previous errors diff --git a/src/tools/clippy/tests/ui/match_overlapping_arm.rs b/src/tools/clippy/tests/ui/match_overlapping_arm.rs index 22b04b208f8..b4097fa9604 100644 --- a/src/tools/clippy/tests/ui/match_overlapping_arm.rs +++ b/src/tools/clippy/tests/ui/match_overlapping_arm.rs @@ -1,5 +1,4 @@ #![feature(exclusive_range_pattern)] - #![warn(clippy::match_overlapping_arm)] #![allow(clippy::redundant_pattern_matching)] #![allow(clippy::if_same_then_else, clippy::equatable_if_let)] diff --git a/src/tools/clippy/tests/ui/match_overlapping_arm.stderr b/src/tools/clippy/tests/ui/match_overlapping_arm.stderr index a72becbeb66..b98d4799e42 100644 --- a/src/tools/clippy/tests/ui/match_overlapping_arm.stderr +++ b/src/tools/clippy/tests/ui/match_overlapping_arm.stderr @@ -1,96 +1,96 @@ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:13:9 + --> $DIR/match_overlapping_arm.rs:12:9 | LL | 0..=10 => println!("0..=10"), | ^^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:14:9 + --> $DIR/match_overlapping_arm.rs:13:9 | LL | 0..=11 => println!("0..=11"), | ^^^^^^ = note: `-D clippy::match-overlapping-arm` implied by `-D warnings` error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:19:9 + --> $DIR/match_overlapping_arm.rs:18:9 | LL | 0..=5 => println!("0..=5"), | ^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:21:9 + --> $DIR/match_overlapping_arm.rs:20:9 | LL | FOO..=11 => println!("FOO..=11"), | ^^^^^^^^ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:56:9 + --> $DIR/match_overlapping_arm.rs:55:9 | LL | 0..11 => println!("0..11"), | ^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:57:9 + --> $DIR/match_overlapping_arm.rs:56:9 | LL | 0..=11 => println!("0..=11"), | ^^^^^^ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:81:9 + --> $DIR/match_overlapping_arm.rs:80:9 | LL | 0..=10 => println!("0..=10"), | ^^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:80:9 + --> $DIR/match_overlapping_arm.rs:79:9 | LL | 5..14 => println!("5..14"), | ^^^^^ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:86:9 + --> $DIR/match_overlapping_arm.rs:85:9 | LL | 0..7 => println!("0..7"), | ^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:87:9 + --> $DIR/match_overlapping_arm.rs:86:9 | LL | 0..=10 => println!("0..=10"), | ^^^^^^ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:98:9 + --> $DIR/match_overlapping_arm.rs:97:9 | LL | ..=23 => println!("..=23"), | ^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:99:9 + --> $DIR/match_overlapping_arm.rs:98:9 | LL | ..26 => println!("..26"), | ^^^^ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:107:9 + --> $DIR/match_overlapping_arm.rs:106:9 | LL | 21..=30 => (), | ^^^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:108:9 + --> $DIR/match_overlapping_arm.rs:107:9 | LL | 21..=40 => (), | ^^^^^^^ error: some ranges overlap - --> $DIR/match_overlapping_arm.rs:121:9 + --> $DIR/match_overlapping_arm.rs:120:9 | LL | 0..=0x0000_0000_0000_00ff => (), | ^^^^^^^^^^^^^^^^^^^^^^^^^ | note: overlaps with this - --> $DIR/match_overlapping_arm.rs:122:9 + --> $DIR/match_overlapping_arm.rs:121:9 | LL | 0..=0x0000_0000_0000_ffff => (), | ^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/match_single_binding.fixed b/src/tools/clippy/tests/ui/match_single_binding.fixed index 951f552eb32..a6e315e4773 100644 --- a/src/tools/clippy/tests/ui/match_single_binding.fixed +++ b/src/tools/clippy/tests/ui/match_single_binding.fixed @@ -124,3 +124,12 @@ fn issue_8723() { let _ = val; } + +#[allow(dead_code)] +fn issue_9575() { + fn side_effects() {} + let _ = || { + side_effects(); + println!("Needs curlies"); + }; +} diff --git a/src/tools/clippy/tests/ui/match_single_binding.rs b/src/tools/clippy/tests/ui/match_single_binding.rs index 19c0fee8fd6..cecbd703e56 100644 --- a/src/tools/clippy/tests/ui/match_single_binding.rs +++ b/src/tools/clippy/tests/ui/match_single_binding.rs @@ -140,3 +140,11 @@ fn issue_8723() { let _ = val; } + +#[allow(dead_code)] +fn issue_9575() { + fn side_effects() {} + let _ = || match side_effects() { + _ => println!("Needs curlies"), + }; +} diff --git a/src/tools/clippy/tests/ui/match_single_binding.stderr b/src/tools/clippy/tests/ui/match_single_binding.stderr index 5d4e7314b21..2b9ec7ee702 100644 --- a/src/tools/clippy/tests/ui/match_single_binding.stderr +++ b/src/tools/clippy/tests/ui/match_single_binding.stderr @@ -196,5 +196,22 @@ LL + suf LL ~ }; | -error: aborting due to 13 previous errors +error: this match could be replaced by its scrutinee and body + --> $DIR/match_single_binding.rs:147:16 + | +LL | let _ = || match side_effects() { + | ________________^ +LL | | _ => println!("Needs curlies"), +LL | | }; + | |_____^ + | +help: consider using the scrutinee and body instead + | +LL ~ let _ = || { +LL + side_effects(); +LL + println!("Needs curlies"); +LL ~ }; + | + +error: aborting due to 14 previous errors diff --git a/src/tools/clippy/tests/ui/match_wild_err_arm.edition2021.stderr b/src/tools/clippy/tests/ui/match_wild_err_arm.edition2021.stderr deleted file mode 100644 index 525533bf07b..00000000000 --- a/src/tools/clippy/tests/ui/match_wild_err_arm.edition2021.stderr +++ /dev/null @@ -1,35 +0,0 @@ -error: `Err(_)` matches all errors - --> $DIR/match_wild_err_arm.rs:14:9 - | -LL | Err(_) => panic!("err"), - | ^^^^^^ - | - = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable - = note: `-D clippy::match-wild-err-arm` implied by `-D warnings` - -error: `Err(_)` matches all errors - --> $DIR/match_wild_err_arm.rs:20:9 - | -LL | Err(_) => panic!(), - | ^^^^^^ - | - = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable - -error: `Err(_)` matches all errors - --> $DIR/match_wild_err_arm.rs:26:9 - | -LL | Err(_) => { - | ^^^^^^ - | - = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable - -error: `Err(_e)` matches all errors - --> $DIR/match_wild_err_arm.rs:34:9 - | -LL | Err(_e) => panic!(), - | ^^^^^^^ - | - = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable - -error: aborting due to 4 previous errors - diff --git a/src/tools/clippy/tests/ui/match_wild_err_arm.rs b/src/tools/clippy/tests/ui/match_wild_err_arm.rs index 0a86144b95d..823be65efe0 100644 --- a/src/tools/clippy/tests/ui/match_wild_err_arm.rs +++ b/src/tools/clippy/tests/ui/match_wild_err_arm.rs @@ -1,6 +1,3 @@ -// revisions: edition2018 edition2021 -// [edition2018] edition:2018 -// [edition2021] edition:2021 #![feature(exclusive_range_pattern)] #![allow(clippy::match_same_arms)] #![warn(clippy::match_wild_err_arm)] diff --git a/src/tools/clippy/tests/ui/match_wild_err_arm.edition2018.stderr b/src/tools/clippy/tests/ui/match_wild_err_arm.stderr index 525533bf07b..b016d682698 100644 --- a/src/tools/clippy/tests/ui/match_wild_err_arm.edition2018.stderr +++ b/src/tools/clippy/tests/ui/match_wild_err_arm.stderr @@ -1,5 +1,5 @@ error: `Err(_)` matches all errors - --> $DIR/match_wild_err_arm.rs:14:9 + --> $DIR/match_wild_err_arm.rs:11:9 | LL | Err(_) => panic!("err"), | ^^^^^^ @@ -8,7 +8,7 @@ LL | Err(_) => panic!("err"), = note: `-D clippy::match-wild-err-arm` implied by `-D warnings` error: `Err(_)` matches all errors - --> $DIR/match_wild_err_arm.rs:20:9 + --> $DIR/match_wild_err_arm.rs:17:9 | LL | Err(_) => panic!(), | ^^^^^^ @@ -16,7 +16,7 @@ LL | Err(_) => panic!(), = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable error: `Err(_)` matches all errors - --> $DIR/match_wild_err_arm.rs:26:9 + --> $DIR/match_wild_err_arm.rs:23:9 | LL | Err(_) => { | ^^^^^^ @@ -24,7 +24,7 @@ LL | Err(_) => { = note: match each error separately or use the error output, or use `.expect(msg)` if the error case is unreachable error: `Err(_e)` matches all errors - --> $DIR/match_wild_err_arm.rs:34:9 + --> $DIR/match_wild_err_arm.rs:31:9 | LL | Err(_e) => panic!(), | ^^^^^^^ diff --git a/src/tools/clippy/tests/ui/mem_replace.fixed b/src/tools/clippy/tests/ui/mem_replace.fixed index b609ba65946..ae237395b95 100644 --- a/src/tools/clippy/tests/ui/mem_replace.fixed +++ b/src/tools/clippy/tests/ui/mem_replace.fixed @@ -1,5 +1,7 @@ // run-rustfix -#![allow(unused_imports)] + +#![feature(custom_inner_attributes)] +#![allow(unused)] #![warn( clippy::all, clippy::style, @@ -77,3 +79,17 @@ fn main() { replace_with_default(); dont_lint_primitive(); } + +fn msrv_1_39() { + #![clippy::msrv = "1.39"] + + let mut s = String::from("foo"); + let _ = std::mem::replace(&mut s, String::default()); +} + +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + let mut s = String::from("foo"); + let _ = std::mem::take(&mut s); +} diff --git a/src/tools/clippy/tests/ui/mem_replace.rs b/src/tools/clippy/tests/ui/mem_replace.rs index 93f6dcdec83..3202e99e0be 100644 --- a/src/tools/clippy/tests/ui/mem_replace.rs +++ b/src/tools/clippy/tests/ui/mem_replace.rs @@ -1,5 +1,7 @@ // run-rustfix -#![allow(unused_imports)] + +#![feature(custom_inner_attributes)] +#![allow(unused)] #![warn( clippy::all, clippy::style, @@ -77,3 +79,17 @@ fn main() { replace_with_default(); dont_lint_primitive(); } + +fn msrv_1_39() { + #![clippy::msrv = "1.39"] + + let mut s = String::from("foo"); + let _ = std::mem::replace(&mut s, String::default()); +} + +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + let mut s = String::from("foo"); + let _ = std::mem::replace(&mut s, String::default()); +} diff --git a/src/tools/clippy/tests/ui/mem_replace.stderr b/src/tools/clippy/tests/ui/mem_replace.stderr index 90dc6c95f85..dd8a50dab90 100644 --- a/src/tools/clippy/tests/ui/mem_replace.stderr +++ b/src/tools/clippy/tests/ui/mem_replace.stderr @@ -1,5 +1,5 @@ error: replacing an `Option` with `None` - --> $DIR/mem_replace.rs:15:13 + --> $DIR/mem_replace.rs:17:13 | LL | let _ = mem::replace(&mut an_option, None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `an_option.take()` @@ -7,13 +7,13 @@ LL | let _ = mem::replace(&mut an_option, None); = note: `-D clippy::mem-replace-option-with-none` implied by `-D warnings` error: replacing an `Option` with `None` - --> $DIR/mem_replace.rs:17:13 + --> $DIR/mem_replace.rs:19:13 | LL | let _ = mem::replace(an_option, None); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Option::take()` instead: `an_option.take()` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:22:13 + --> $DIR/mem_replace.rs:24:13 | LL | let _ = std::mem::replace(&mut s, String::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut s)` @@ -21,100 +21,106 @@ LL | let _ = std::mem::replace(&mut s, String::default()); = note: `-D clippy::mem-replace-with-default` implied by `-D warnings` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:25:13 + --> $DIR/mem_replace.rs:27:13 | LL | let _ = std::mem::replace(s, String::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(s)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:26:13 + --> $DIR/mem_replace.rs:28:13 | LL | let _ = std::mem::replace(s, Default::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(s)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:29:13 + --> $DIR/mem_replace.rs:31:13 | LL | let _ = std::mem::replace(&mut v, Vec::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:30:13 + --> $DIR/mem_replace.rs:32:13 | LL | let _ = std::mem::replace(&mut v, Default::default()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:31:13 + --> $DIR/mem_replace.rs:33:13 | LL | let _ = std::mem::replace(&mut v, Vec::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:32:13 + --> $DIR/mem_replace.rs:34:13 | LL | let _ = std::mem::replace(&mut v, vec![]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut v)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:35:13 + --> $DIR/mem_replace.rs:37:13 | LL | let _ = std::mem::replace(&mut hash_map, HashMap::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut hash_map)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:38:13 + --> $DIR/mem_replace.rs:40:13 | LL | let _ = std::mem::replace(&mut btree_map, BTreeMap::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut btree_map)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:41:13 + --> $DIR/mem_replace.rs:43:13 | LL | let _ = std::mem::replace(&mut vd, VecDeque::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut vd)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:44:13 + --> $DIR/mem_replace.rs:46:13 | LL | let _ = std::mem::replace(&mut hash_set, HashSet::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut hash_set)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:47:13 + --> $DIR/mem_replace.rs:49:13 | LL | let _ = std::mem::replace(&mut btree_set, BTreeSet::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut btree_set)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:50:13 + --> $DIR/mem_replace.rs:52:13 | LL | let _ = std::mem::replace(&mut list, LinkedList::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut list)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:53:13 + --> $DIR/mem_replace.rs:55:13 | LL | let _ = std::mem::replace(&mut binary_heap, BinaryHeap::new()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut binary_heap)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:56:13 + --> $DIR/mem_replace.rs:58:13 | LL | let _ = std::mem::replace(&mut tuple, (vec![], BinaryHeap::new())); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut tuple)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:59:13 + --> $DIR/mem_replace.rs:61:13 | LL | let _ = std::mem::replace(&mut refstr, ""); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut refstr)` error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` - --> $DIR/mem_replace.rs:62:13 + --> $DIR/mem_replace.rs:64:13 | LL | let _ = std::mem::replace(&mut slice, &[]); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut slice)` -error: aborting due to 19 previous errors +error: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take` + --> $DIR/mem_replace.rs:94:13 + | +LL | let _ = std::mem::replace(&mut s, String::default()); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut s)` + +error: aborting due to 20 previous errors diff --git a/src/tools/clippy/tests/ui/min_rust_version_attr.rs b/src/tools/clippy/tests/ui/min_rust_version_attr.rs index c4c6391bb4c..cd148063bf0 100644 --- a/src/tools/clippy/tests/ui/min_rust_version_attr.rs +++ b/src/tools/clippy/tests/ui/min_rust_version_attr.rs @@ -1,240 +1,29 @@ #![allow(clippy::redundant_clone)] #![feature(custom_inner_attributes)] -#![clippy::msrv = "1.0.0"] -use std::ops::{Deref, RangeFrom}; +fn main() {} -fn approx_const() { +fn just_under_msrv() { + #![clippy::msrv = "1.42.0"] let log2_10 = 3.321928094887362; - let log10_2 = 0.301029995663981; } -fn cloned_instead_of_copied() { - let _ = [1].iter().cloned(); -} - -fn option_as_ref_deref() { - let mut opt = Some(String::from("123")); - - let _ = opt.as_ref().map(String::as_str); - let _ = opt.as_ref().map(|x| x.as_str()); - let _ = opt.as_mut().map(String::as_mut_str); - let _ = opt.as_mut().map(|x| x.as_mut_str()); -} - -fn match_like_matches() { - let _y = match Some(5) { - Some(0) => true, - _ => false, - }; -} - -fn match_same_arms() { - match (1, 2, 3) { - (1, .., 3) => 42, - (.., 3) => 42, //~ ERROR match arms have same body - _ => 0, - }; -} - -fn match_same_arms2() { - let _ = match Some(42) { - Some(_) => 24, - None => 24, //~ ERROR match arms have same body - }; -} - -pub fn manual_strip_msrv() { - let s = "hello, world!"; - if s.starts_with("hello, ") { - assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - } -} - -pub fn redundant_fieldnames() { - let start = 0; - let _ = RangeFrom { start: start }; -} - -pub fn redundant_static_lifetime() { - const VAR_ONE: &'static str = "Test constant #1"; -} - -pub fn checked_conversion() { - let value: i64 = 42; - let _ = value <= (u32::max_value() as i64) && value >= 0; - let _ = value <= (u32::MAX as i64) && value >= 0; -} - -pub struct FromOverInto(String); - -impl Into<FromOverInto> for String { - fn into(self) -> FromOverInto { - FromOverInto(self) - } -} - -pub fn filter_map_next() { - let a = ["1", "lol", "3", "NaN", "5"]; - - #[rustfmt::skip] - let _: Option<u32> = vec![1, 2, 3, 4, 5, 6] - .into_iter() - .filter_map(|x| { - if x == 2 { - Some(x * 2) - } else { - None - } - }) - .next(); -} - -#[allow(clippy::no_effect)] -#[allow(clippy::short_circuit_statement)] -#[allow(clippy::unnecessary_operation)] -pub fn manual_range_contains() { - let x = 5; - x >= 8 && x < 12; -} - -pub fn use_self() { - struct Foo; - - impl Foo { - fn new() -> Foo { - Foo {} - } - fn test() -> Foo { - Foo::new() - } - } -} - -fn replace_with_default() { - let mut s = String::from("foo"); - let _ = std::mem::replace(&mut s, String::default()); -} - -fn map_unwrap_or() { - let opt = Some(1); - - // Check for `option.map(_).unwrap_or(_)` use. - // Single line case. - let _ = opt - .map(|x| x + 1) - // Should lint even though this call is on a separate line. - .unwrap_or(0); -} - -// Could be const -fn missing_const_for_fn() -> i32 { - 1 -} - -fn unnest_or_patterns() { - struct TS(u8, u8); - if let TS(0, x) | TS(1, x) = TS(0, 0) {} -} - -#[cfg_attr(rustfmt, rustfmt_skip)] -fn deprecated_cfg_attr() {} - -#[warn(clippy::cast_lossless)] -fn int_from_bool() -> u8 { - true as u8 -} - -fn err_expect() { - let x: Result<u32, &str> = Ok(10); - x.err().expect("Testing expect_err"); -} - -fn cast_abs_to_unsigned() { - let x: i32 = 10; - assert_eq!(10u32, x.abs() as u32); -} - -fn manual_rem_euclid() { - let x: i32 = 10; - let _: i32 = ((x % 4) + 4) % 4; -} - -fn manual_clamp() { - let (input, min, max) = (0, -1, 2); - let _ = if input < min { - min - } else if input > max { - max - } else { - input - }; -} - -fn main() { - filter_map_next(); - checked_conversion(); - redundant_fieldnames(); - redundant_static_lifetime(); - option_as_ref_deref(); - match_like_matches(); - match_same_arms(); - match_same_arms2(); - manual_strip_msrv(); - manual_range_contains(); - use_self(); - replace_with_default(); - map_unwrap_or(); - missing_const_for_fn(); - unnest_or_patterns(); - int_from_bool(); - err_expect(); - cast_abs_to_unsigned(); - manual_rem_euclid(); - manual_clamp(); +fn meets_msrv() { + #![clippy::msrv = "1.43.0"] + let log2_10 = 3.321928094887362; } -mod just_under_msrv { - #![feature(custom_inner_attributes)] +fn just_above_msrv() { #![clippy::msrv = "1.44.0"] - - fn main() { - let s = "hello, world!"; - if s.starts_with("hello, ") { - assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - } - } -} - -mod meets_msrv { - #![feature(custom_inner_attributes)] - #![clippy::msrv = "1.45.0"] - - fn main() { - let s = "hello, world!"; - if s.starts_with("hello, ") { - assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - } - } + let log2_10 = 3.321928094887362; } -mod just_above_msrv { - #![feature(custom_inner_attributes)] - #![clippy::msrv = "1.46.0"] - - fn main() { - let s = "hello, world!"; - if s.starts_with("hello, ") { - assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - } - } +fn no_patch_under() { + #![clippy::msrv = "1.42"] + let log2_10 = 3.321928094887362; } -mod const_rem_euclid { - #![feature(custom_inner_attributes)] - #![clippy::msrv = "1.50.0"] - - pub const fn const_rem_euclid_4(num: i32) -> i32 { - ((num % 4) + 4) % 4 - } +fn no_patch_meets() { + #![clippy::msrv = "1.43"] + let log2_10 = 3.321928094887362; } diff --git a/src/tools/clippy/tests/ui/min_rust_version_attr.stderr b/src/tools/clippy/tests/ui/min_rust_version_attr.stderr index d1cffc26a83..68aa5874819 100644 --- a/src/tools/clippy/tests/ui/min_rust_version_attr.stderr +++ b/src/tools/clippy/tests/ui/min_rust_version_attr.stderr @@ -1,37 +1,27 @@ -error: stripping a prefix manually - --> $DIR/min_rust_version_attr.rs:216:24 +error: approximate value of `f{32, 64}::consts::LOG2_10` found + --> $DIR/min_rust_version_attr.rs:13:19 | -LL | assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - | ^^^^^^^^^^^^^^^^^^^^ - | -note: the prefix was tested here - --> $DIR/min_rust_version_attr.rs:215:9 - | -LL | if s.starts_with("hello, ") { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - = note: `-D clippy::manual-strip` implied by `-D warnings` -help: try using the `strip_prefix` method - | -LL ~ if let Some(<stripped>) = s.strip_prefix("hello, ") { -LL ~ assert_eq!(<stripped>.to_uppercase(), "WORLD!"); +LL | let log2_10 = 3.321928094887362; + | ^^^^^^^^^^^^^^^^^ | + = help: consider using the constant directly + = note: `#[deny(clippy::approx_constant)]` on by default -error: stripping a prefix manually - --> $DIR/min_rust_version_attr.rs:228:24 +error: approximate value of `f{32, 64}::consts::LOG2_10` found + --> $DIR/min_rust_version_attr.rs:18:19 | -LL | assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - | ^^^^^^^^^^^^^^^^^^^^ +LL | let log2_10 = 3.321928094887362; + | ^^^^^^^^^^^^^^^^^ | -note: the prefix was tested here - --> $DIR/min_rust_version_attr.rs:227:9 - | -LL | if s.starts_with("hello, ") { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -help: try using the `strip_prefix` method + = help: consider using the constant directly + +error: approximate value of `f{32, 64}::consts::LOG2_10` found + --> $DIR/min_rust_version_attr.rs:28:19 | -LL ~ if let Some(<stripped>) = s.strip_prefix("hello, ") { -LL ~ assert_eq!(<stripped>.to_uppercase(), "WORLD!"); +LL | let log2_10 = 3.321928094887362; + | ^^^^^^^^^^^^^^^^^ | + = help: consider using the constant directly -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors diff --git a/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.rs b/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.rs index f20841891a7..02892f329af 100644 --- a/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.rs +++ b/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.rs @@ -2,3 +2,17 @@ #![clippy::msrv = "invalid.version"] fn main() {} + +#[clippy::msrv = "invalid.version"] +fn outer_attr() {} + +mod multiple { + #![clippy::msrv = "1.40"] + #![clippy::msrv = "=1.35.0"] + #![clippy::msrv = "1.10.1"] + + mod foo { + #![clippy::msrv = "1"] + #![clippy::msrv = "1.0.0"] + } +} diff --git a/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.stderr b/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.stderr index 6ff88ca56f8..93370a0fa9c 100644 --- a/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.stderr +++ b/src/tools/clippy/tests/ui/min_rust_version_invalid_attr.stderr @@ -4,5 +4,47 @@ error: `invalid.version` is not a valid Rust version LL | #![clippy::msrv = "invalid.version"] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: aborting due to previous error +error: `msrv` cannot be an outer attribute + --> $DIR/min_rust_version_invalid_attr.rs:6:1 + | +LL | #[clippy::msrv = "invalid.version"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `msrv` is defined multiple times + --> $DIR/min_rust_version_invalid_attr.rs:11:5 + | +LL | #![clippy::msrv = "=1.35.0"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: first definition found here + --> $DIR/min_rust_version_invalid_attr.rs:10:5 + | +LL | #![clippy::msrv = "1.40"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `msrv` is defined multiple times + --> $DIR/min_rust_version_invalid_attr.rs:12:5 + | +LL | #![clippy::msrv = "1.10.1"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: first definition found here + --> $DIR/min_rust_version_invalid_attr.rs:10:5 + | +LL | #![clippy::msrv = "1.40"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: `msrv` is defined multiple times + --> $DIR/min_rust_version_invalid_attr.rs:16:9 + | +LL | #![clippy::msrv = "1.0.0"] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: first definition found here + --> $DIR/min_rust_version_invalid_attr.rs:15:9 + | +LL | #![clippy::msrv = "1"] + | ^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 5 previous errors diff --git a/src/tools/clippy/tests/ui/min_rust_version_multiple_inner_attr.rs b/src/tools/clippy/tests/ui/min_rust_version_multiple_inner_attr.rs deleted file mode 100644 index e882d5ccf91..00000000000 --- a/src/tools/clippy/tests/ui/min_rust_version_multiple_inner_attr.rs +++ /dev/null @@ -1,11 +0,0 @@ -#![feature(custom_inner_attributes)] -#![clippy::msrv = "1.40"] -#![clippy::msrv = "=1.35.0"] -#![clippy::msrv = "1.10.1"] - -mod foo { - #![clippy::msrv = "1"] - #![clippy::msrv = "1.0.0"] -} - -fn main() {} diff --git a/src/tools/clippy/tests/ui/min_rust_version_multiple_inner_attr.stderr b/src/tools/clippy/tests/ui/min_rust_version_multiple_inner_attr.stderr deleted file mode 100644 index e3ff6605cde..00000000000 --- a/src/tools/clippy/tests/ui/min_rust_version_multiple_inner_attr.stderr +++ /dev/null @@ -1,38 +0,0 @@ -error: `msrv` is defined multiple times - --> $DIR/min_rust_version_multiple_inner_attr.rs:3:1 - | -LL | #![clippy::msrv = "=1.35.0"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: first definition found here - --> $DIR/min_rust_version_multiple_inner_attr.rs:2:1 - | -LL | #![clippy::msrv = "1.40"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `msrv` is defined multiple times - --> $DIR/min_rust_version_multiple_inner_attr.rs:4:1 - | -LL | #![clippy::msrv = "1.10.1"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: first definition found here - --> $DIR/min_rust_version_multiple_inner_attr.rs:2:1 - | -LL | #![clippy::msrv = "1.40"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: `msrv` is defined multiple times - --> $DIR/min_rust_version_multiple_inner_attr.rs:8:5 - | -LL | #![clippy::msrv = "1.0.0"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: first definition found here - --> $DIR/min_rust_version_multiple_inner_attr.rs:7:5 - | -LL | #![clippy::msrv = "1"] - | ^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to 3 previous errors - diff --git a/src/tools/clippy/tests/ui/min_rust_version_no_patch.rs b/src/tools/clippy/tests/ui/min_rust_version_no_patch.rs deleted file mode 100644 index 98fffe1e351..00000000000 --- a/src/tools/clippy/tests/ui/min_rust_version_no_patch.rs +++ /dev/null @@ -1,14 +0,0 @@ -#![allow(clippy::redundant_clone)] -#![feature(custom_inner_attributes)] -#![clippy::msrv = "1.0"] - -fn manual_strip_msrv() { - let s = "hello, world!"; - if s.starts_with("hello, ") { - assert_eq!(s["hello, ".len()..].to_uppercase(), "WORLD!"); - } -} - -fn main() { - manual_strip_msrv() -} diff --git a/src/tools/clippy/tests/ui/min_rust_version_outer_attr.rs b/src/tools/clippy/tests/ui/min_rust_version_outer_attr.rs deleted file mode 100644 index 551948bd72e..00000000000 --- a/src/tools/clippy/tests/ui/min_rust_version_outer_attr.rs +++ /dev/null @@ -1,4 +0,0 @@ -#![feature(custom_inner_attributes)] - -#[clippy::msrv = "invalid.version"] -fn main() {} diff --git a/src/tools/clippy/tests/ui/min_rust_version_outer_attr.stderr b/src/tools/clippy/tests/ui/min_rust_version_outer_attr.stderr deleted file mode 100644 index 579ee7a87d2..00000000000 --- a/src/tools/clippy/tests/ui/min_rust_version_outer_attr.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: `msrv` cannot be an outer attribute - --> $DIR/min_rust_version_outer_attr.rs:3:1 - | -LL | #[clippy::msrv = "invalid.version"] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - -error: aborting due to previous error - diff --git a/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.rs b/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.rs index 88f6935d224..b85e8878491 100644 --- a/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.rs +++ b/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.rs @@ -77,5 +77,17 @@ mod const_fn_stabilized_before_msrv { } } +fn msrv_1_45() -> i32 { + #![clippy::msrv = "1.45"] + + 45 +} + +fn msrv_1_46() -> i32 { + #![clippy::msrv = "1.46"] + + 46 +} + // Should not be const fn main() {} diff --git a/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.stderr b/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.stderr index 3eb52b68274..f8e221c82f1 100644 --- a/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.stderr +++ b/src/tools/clippy/tests/ui/missing_const_for_fn/could_be_const.stderr @@ -81,5 +81,15 @@ LL | | byte.is_ascii_digit(); LL | | } | |_____^ -error: aborting due to 10 previous errors +error: this could be a `const fn` + --> $DIR/could_be_const.rs:86:1 + | +LL | / fn msrv_1_46() -> i32 { +LL | | #![clippy::msrv = "1.46"] +LL | | +LL | | 46 +LL | | } + | |_^ + +error: aborting due to 11 previous errors diff --git a/src/tools/clippy/tests/ui/missing_doc.rs b/src/tools/clippy/tests/ui/missing_doc.rs index 29cc026a8fd..590ad63c90b 100644 --- a/src/tools/clippy/tests/ui/missing_doc.rs +++ b/src/tools/clippy/tests/ui/missing_doc.rs @@ -1,3 +1,4 @@ +// needs-asm-support // aux-build: proc_macro_with_span.rs #![warn(clippy::missing_docs_in_private_items)] diff --git a/src/tools/clippy/tests/ui/missing_doc.stderr b/src/tools/clippy/tests/ui/missing_doc.stderr index 6c8e66f4643..d3bef28bf64 100644 --- a/src/tools/clippy/tests/ui/missing_doc.stderr +++ b/src/tools/clippy/tests/ui/missing_doc.stderr @@ -1,5 +1,5 @@ error: missing documentation for a type alias - --> $DIR/missing_doc.rs:15:1 + --> $DIR/missing_doc.rs:16:1 | LL | type Typedef = String; | ^^^^^^^^^^^^^^^^^^^^^^ @@ -7,37 +7,37 @@ LL | type Typedef = String; = note: `-D clippy::missing-docs-in-private-items` implied by `-D warnings` error: missing documentation for a type alias - --> $DIR/missing_doc.rs:16:1 + --> $DIR/missing_doc.rs:17:1 | LL | pub type PubTypedef = String; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a module - --> $DIR/missing_doc.rs:18:1 + --> $DIR/missing_doc.rs:19:1 | LL | mod module_no_dox {} | ^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a module - --> $DIR/missing_doc.rs:19:1 + --> $DIR/missing_doc.rs:20:1 | LL | pub mod pub_module_no_dox {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/missing_doc.rs:23:1 + --> $DIR/missing_doc.rs:24:1 | LL | pub fn foo2() {} | ^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/missing_doc.rs:24:1 + --> $DIR/missing_doc.rs:25:1 | LL | fn foo3() {} | ^^^^^^^^^^^^ error: missing documentation for an enum - --> $DIR/missing_doc.rs:38:1 + --> $DIR/missing_doc.rs:39:1 | LL | / enum Baz { LL | | BazA { a: isize, b: isize }, @@ -46,31 +46,31 @@ LL | | } | |_^ error: missing documentation for a variant - --> $DIR/missing_doc.rs:39:5 + --> $DIR/missing_doc.rs:40:5 | LL | BazA { a: isize, b: isize }, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a struct field - --> $DIR/missing_doc.rs:39:12 + --> $DIR/missing_doc.rs:40:12 | LL | BazA { a: isize, b: isize }, | ^^^^^^^^ error: missing documentation for a struct field - --> $DIR/missing_doc.rs:39:22 + --> $DIR/missing_doc.rs:40:22 | LL | BazA { a: isize, b: isize }, | ^^^^^^^^ error: missing documentation for a variant - --> $DIR/missing_doc.rs:40:5 + --> $DIR/missing_doc.rs:41:5 | LL | BarB, | ^^^^ error: missing documentation for an enum - --> $DIR/missing_doc.rs:43:1 + --> $DIR/missing_doc.rs:44:1 | LL | / pub enum PubBaz { LL | | PubBazA { a: isize }, @@ -78,43 +78,43 @@ LL | | } | |_^ error: missing documentation for a variant - --> $DIR/missing_doc.rs:44:5 + --> $DIR/missing_doc.rs:45:5 | LL | PubBazA { a: isize }, | ^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a struct field - --> $DIR/missing_doc.rs:44:15 + --> $DIR/missing_doc.rs:45:15 | LL | PubBazA { a: isize }, | ^^^^^^^^ error: missing documentation for a constant - --> $DIR/missing_doc.rs:64:1 + --> $DIR/missing_doc.rs:65:1 | LL | const FOO: u32 = 0; | ^^^^^^^^^^^^^^^^^^^ error: missing documentation for a constant - --> $DIR/missing_doc.rs:71:1 + --> $DIR/missing_doc.rs:72:1 | LL | pub const FOO4: u32 = 0; | ^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a static - --> $DIR/missing_doc.rs:73:1 + --> $DIR/missing_doc.rs:74:1 | LL | static BAR: u32 = 0; | ^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a static - --> $DIR/missing_doc.rs:80:1 + --> $DIR/missing_doc.rs:81:1 | LL | pub static BAR4: u32 = 0; | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a module - --> $DIR/missing_doc.rs:82:1 + --> $DIR/missing_doc.rs:83:1 | LL | / mod internal_impl { LL | | /// dox @@ -126,31 +126,31 @@ LL | | } | |_^ error: missing documentation for a function - --> $DIR/missing_doc.rs:85:5 + --> $DIR/missing_doc.rs:86:5 | LL | pub fn undocumented1() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/missing_doc.rs:86:5 + --> $DIR/missing_doc.rs:87:5 | LL | pub fn undocumented2() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/missing_doc.rs:87:5 + --> $DIR/missing_doc.rs:88:5 | LL | fn undocumented3() {} | ^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/missing_doc.rs:92:9 + --> $DIR/missing_doc.rs:93:9 | LL | pub fn also_undocumented1() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: missing documentation for a function - --> $DIR/missing_doc.rs:93:9 + --> $DIR/missing_doc.rs:94:9 | LL | fn also_undocumented2() {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/missing_trait_methods.rs b/src/tools/clippy/tests/ui/missing_trait_methods.rs new file mode 100644 index 00000000000..8df885919a3 --- /dev/null +++ b/src/tools/clippy/tests/ui/missing_trait_methods.rs @@ -0,0 +1,50 @@ +#![allow(unused, clippy::needless_lifetimes)] +#![warn(clippy::missing_trait_methods)] + +trait A { + fn provided() {} +} + +trait B { + fn required(); + + fn a(_: usize) -> usize { + 1 + } + + fn b<'a, T: AsRef<[u8]>>(a: &'a T) -> &'a [u8] { + a.as_ref() + } +} + +struct Partial; + +impl A for Partial {} + +impl B for Partial { + fn required() {} + + fn a(_: usize) -> usize { + 2 + } +} + +struct Complete; + +impl A for Complete { + fn provided() {} +} + +impl B for Complete { + fn required() {} + + fn a(_: usize) -> usize { + 2 + } + + fn b<T: AsRef<[u8]>>(a: &T) -> &[u8] { + a.as_ref() + } +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui/missing_trait_methods.stderr b/src/tools/clippy/tests/ui/missing_trait_methods.stderr new file mode 100644 index 00000000000..0c5205e1965 --- /dev/null +++ b/src/tools/clippy/tests/ui/missing_trait_methods.stderr @@ -0,0 +1,27 @@ +error: missing trait method provided by default: `provided` + --> $DIR/missing_trait_methods.rs:22:1 + | +LL | impl A for Partial {} + | ^^^^^^^^^^^^^^^^^^ + | +help: implement the method + --> $DIR/missing_trait_methods.rs:5:5 + | +LL | fn provided() {} + | ^^^^^^^^^^^^^ + = note: `-D clippy::missing-trait-methods` implied by `-D warnings` + +error: missing trait method provided by default: `b` + --> $DIR/missing_trait_methods.rs:24:1 + | +LL | impl B for Partial { + | ^^^^^^^^^^^^^^^^^^ + | +help: implement the method + --> $DIR/missing_trait_methods.rs:15:5 + | +LL | fn b<'a, T: AsRef<[u8]>>(a: &'a T) -> &'a [u8] { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +error: aborting due to 2 previous errors + diff --git a/src/tools/clippy/tests/ui/needless_borrow.fixed b/src/tools/clippy/tests/ui/needless_borrow.fixed index aa2687159ef..340e89d2db1 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.fixed +++ b/src/tools/clippy/tests/ui/needless_borrow.fixed @@ -3,7 +3,11 @@ #[warn(clippy::all, clippy::needless_borrow)] #[allow(unused_variables)] -#[allow(clippy::uninlined_format_args, clippy::unnecessary_mut_passed)] +#[allow( + clippy::uninlined_format_args, + clippy::unnecessary_mut_passed, + clippy::unnecessary_to_owned +)] fn main() { let a = 5; let ref_a = &a; @@ -134,6 +138,7 @@ fn main() { multiple_constraints([[""]]); multiple_constraints_normalizes_to_same(X, X); let _ = Some("").unwrap_or(""); + let _ = std::fs::write("x", "".to_string()); only_sized(&""); // Don't lint. `Sized` is only bound let _ = std::any::Any::type_id(&""); // Don't lint. `Any` is only bound @@ -276,8 +281,9 @@ mod copyable_iterator { fn dont_warn(mut x: Iter) { takes_iter(&mut x); } + #[allow(unused_mut)] fn warn(mut x: &mut Iter) { - takes_iter(&mut x) + takes_iter(x) } } @@ -327,3 +333,55 @@ fn issue9383() { ManuallyDrop::drop(&mut ocean.coral); } } + +#[allow(dead_code)] +fn closure_test() { + let env = "env".to_owned(); + let arg = "arg".to_owned(); + let f = |arg| { + let loc = "loc".to_owned(); + let _ = std::fs::write("x", &env); // Don't lint. In environment + let _ = std::fs::write("x", arg); + let _ = std::fs::write("x", loc); + }; + let _ = std::fs::write("x", &env); // Don't lint. Borrowed by `f` + f(arg); +} + +#[allow(dead_code)] +mod significant_drop { + #[derive(Debug)] + struct X; + + #[derive(Debug)] + struct Y; + + impl Drop for Y { + fn drop(&mut self) {} + } + + fn foo(x: X, y: Y) { + debug(x); + debug(&y); // Don't lint. Has significant drop + } + + fn debug(_: impl std::fmt::Debug) {} +} + +#[allow(dead_code)] +mod used_exactly_once { + fn foo(x: String) { + use_x(x); + } + fn use_x(_: impl AsRef<str>) {} +} + +#[allow(dead_code)] +mod used_more_than_once { + fn foo(x: String) { + use_x(&x); + use_x_again(&x); + } + fn use_x(_: impl AsRef<str>) {} + fn use_x_again(_: impl AsRef<str>) {} +} diff --git a/src/tools/clippy/tests/ui/needless_borrow.rs b/src/tools/clippy/tests/ui/needless_borrow.rs index d41251e8f6a..c93711ac8e2 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.rs +++ b/src/tools/clippy/tests/ui/needless_borrow.rs @@ -3,7 +3,11 @@ #[warn(clippy::all, clippy::needless_borrow)] #[allow(unused_variables)] -#[allow(clippy::uninlined_format_args, clippy::unnecessary_mut_passed)] +#[allow( + clippy::uninlined_format_args, + clippy::unnecessary_mut_passed, + clippy::unnecessary_to_owned +)] fn main() { let a = 5; let ref_a = &a; @@ -134,6 +138,7 @@ fn main() { multiple_constraints(&[[""]]); multiple_constraints_normalizes_to_same(&X, X); let _ = Some("").unwrap_or(&""); + let _ = std::fs::write("x", &"".to_string()); only_sized(&""); // Don't lint. `Sized` is only bound let _ = std::any::Any::type_id(&""); // Don't lint. `Any` is only bound @@ -276,6 +281,7 @@ mod copyable_iterator { fn dont_warn(mut x: Iter) { takes_iter(&mut x); } + #[allow(unused_mut)] fn warn(mut x: &mut Iter) { takes_iter(&mut x) } @@ -327,3 +333,55 @@ fn issue9383() { ManuallyDrop::drop(&mut ocean.coral); } } + +#[allow(dead_code)] +fn closure_test() { + let env = "env".to_owned(); + let arg = "arg".to_owned(); + let f = |arg| { + let loc = "loc".to_owned(); + let _ = std::fs::write("x", &env); // Don't lint. In environment + let _ = std::fs::write("x", &arg); + let _ = std::fs::write("x", &loc); + }; + let _ = std::fs::write("x", &env); // Don't lint. Borrowed by `f` + f(arg); +} + +#[allow(dead_code)] +mod significant_drop { + #[derive(Debug)] + struct X; + + #[derive(Debug)] + struct Y; + + impl Drop for Y { + fn drop(&mut self) {} + } + + fn foo(x: X, y: Y) { + debug(&x); + debug(&y); // Don't lint. Has significant drop + } + + fn debug(_: impl std::fmt::Debug) {} +} + +#[allow(dead_code)] +mod used_exactly_once { + fn foo(x: String) { + use_x(&x); + } + fn use_x(_: impl AsRef<str>) {} +} + +#[allow(dead_code)] +mod used_more_than_once { + fn foo(x: String) { + use_x(&x); + use_x_again(&x); + } + fn use_x(_: impl AsRef<str>) {} + fn use_x_again(_: impl AsRef<str>) {} +} diff --git a/src/tools/clippy/tests/ui/needless_borrow.stderr b/src/tools/clippy/tests/ui/needless_borrow.stderr index 5af68706d4b..8b593268bec 100644 --- a/src/tools/clippy/tests/ui/needless_borrow.stderr +++ b/src/tools/clippy/tests/ui/needless_borrow.stderr @@ -1,5 +1,5 @@ error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:11:15 + --> $DIR/needless_borrow.rs:15:15 | LL | let _ = x(&&a); // warn | ^^^ help: change this to: `&a` @@ -7,172 +7,208 @@ LL | let _ = x(&&a); // warn = note: `-D clippy::needless-borrow` implied by `-D warnings` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:15:13 + --> $DIR/needless_borrow.rs:19:13 | LL | mut_ref(&mut &mut b); // warn | ^^^^^^^^^^^ help: change this to: `&mut b` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:27:13 + --> $DIR/needless_borrow.rs:31:13 | LL | &&a | ^^^ help: change this to: `&a` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:29:15 + --> $DIR/needless_borrow.rs:33:15 | LL | 46 => &&a, | ^^^ help: change this to: `&a` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:35:27 + --> $DIR/needless_borrow.rs:39:27 | LL | break &ref_a; | ^^^^^^ help: change this to: `ref_a` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:42:15 + --> $DIR/needless_borrow.rs:46:15 | LL | let _ = x(&&&a); | ^^^^ help: change this to: `&a` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:43:15 + --> $DIR/needless_borrow.rs:47:15 | LL | let _ = x(&mut &&a); | ^^^^^^^^ help: change this to: `&a` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:44:15 + --> $DIR/needless_borrow.rs:48:15 | LL | let _ = x(&&&mut b); | ^^^^^^^^ help: change this to: `&mut b` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:45:15 + --> $DIR/needless_borrow.rs:49:15 | LL | let _ = x(&&ref_a); | ^^^^^^^ help: change this to: `ref_a` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:48:11 + --> $DIR/needless_borrow.rs:52:11 | LL | x(&b); | ^^ help: change this to: `b` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:55:13 + --> $DIR/needless_borrow.rs:59:13 | LL | mut_ref(&mut x); | ^^^^^^ help: change this to: `x` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:56:13 + --> $DIR/needless_borrow.rs:60:13 | LL | mut_ref(&mut &mut x); | ^^^^^^^^^^^ help: change this to: `x` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:57:23 + --> $DIR/needless_borrow.rs:61:23 | LL | let y: &mut i32 = &mut x; | ^^^^^^ help: change this to: `x` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:58:23 + --> $DIR/needless_borrow.rs:62:23 | LL | let y: &mut i32 = &mut &mut x; | ^^^^^^^^^^^ help: change this to: `x` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:67:14 + --> $DIR/needless_borrow.rs:71:14 | LL | 0 => &mut x, | ^^^^^^ help: change this to: `x` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:73:14 + --> $DIR/needless_borrow.rs:77:14 | LL | 0 => &mut x, | ^^^^^^ help: change this to: `x` error: this expression borrows a value the compiler would automatically borrow - --> $DIR/needless_borrow.rs:85:13 + --> $DIR/needless_borrow.rs:89:13 | LL | let _ = (&x).0; | ^^^^ help: change this to: `x` error: this expression borrows a value the compiler would automatically borrow - --> $DIR/needless_borrow.rs:87:22 + --> $DIR/needless_borrow.rs:91:22 | LL | let _ = unsafe { (&*x).0 }; | ^^^^^ help: change this to: `(*x)` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:97:5 + --> $DIR/needless_borrow.rs:101:5 | LL | (&&()).foo(); | ^^^^^^ help: change this to: `(&())` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:106:5 + --> $DIR/needless_borrow.rs:110:5 | LL | (&&5).foo(); | ^^^^^ help: change this to: `(&5)` error: the borrowed expression implements the required traits - --> $DIR/needless_borrow.rs:131:51 + --> $DIR/needless_borrow.rs:135:51 | LL | let _ = std::process::Command::new("ls").args(&["-a", "-l"]).status().unwrap(); | ^^^^^^^^^^^^^ help: change this to: `["-a", "-l"]` error: the borrowed expression implements the required traits - --> $DIR/needless_borrow.rs:132:44 + --> $DIR/needless_borrow.rs:136:44 | LL | let _ = std::path::Path::new(".").join(&&"."); | ^^^^^ help: change this to: `"."` error: the borrowed expression implements the required traits - --> $DIR/needless_borrow.rs:133:23 + --> $DIR/needless_borrow.rs:137:23 | LL | deref_target_is_x(&X); | ^^ help: change this to: `X` error: the borrowed expression implements the required traits - --> $DIR/needless_borrow.rs:134:26 + --> $DIR/needless_borrow.rs:138:26 | LL | multiple_constraints(&[[""]]); | ^^^^^^^ help: change this to: `[[""]]` error: the borrowed expression implements the required traits - --> $DIR/needless_borrow.rs:135:45 + --> $DIR/needless_borrow.rs:139:45 | LL | multiple_constraints_normalizes_to_same(&X, X); | ^^ help: change this to: `X` error: this expression creates a reference which is immediately dereferenced by the compiler - --> $DIR/needless_borrow.rs:136:32 + --> $DIR/needless_borrow.rs:140:32 | LL | let _ = Some("").unwrap_or(&""); | ^^^ help: change this to: `""` +error: the borrowed expression implements the required traits + --> $DIR/needless_borrow.rs:141:33 + | +LL | let _ = std::fs::write("x", &"".to_string()); + | ^^^^^^^^^^^^^^^ help: change this to: `"".to_string()` + error: this expression borrows a value the compiler would automatically borrow - --> $DIR/needless_borrow.rs:187:13 + --> $DIR/needless_borrow.rs:192:13 | LL | (&self.f)() | ^^^^^^^^^ help: change this to: `(self.f)` error: this expression borrows a value the compiler would automatically borrow - --> $DIR/needless_borrow.rs:196:13 + --> $DIR/needless_borrow.rs:201:13 | LL | (&mut self.f)() | ^^^^^^^^^^^^^ help: change this to: `(self.f)` error: the borrowed expression implements the required traits - --> $DIR/needless_borrow.rs:298:55 + --> $DIR/needless_borrow.rs:286:20 + | +LL | takes_iter(&mut x) + | ^^^^^^ help: change this to: `x` + +error: the borrowed expression implements the required traits + --> $DIR/needless_borrow.rs:304:55 | LL | let _ = std::process::Command::new("ls").args(&["-a", "-l"]).status().unwrap(); | ^^^^^^^^^^^^^ help: change this to: `["-a", "-l"]` -error: aborting due to 29 previous errors +error: the borrowed expression implements the required traits + --> $DIR/needless_borrow.rs:344:37 + | +LL | let _ = std::fs::write("x", &arg); + | ^^^^ help: change this to: `arg` + +error: the borrowed expression implements the required traits + --> $DIR/needless_borrow.rs:345:37 + | +LL | let _ = std::fs::write("x", &loc); + | ^^^^ help: change this to: `loc` + +error: the borrowed expression implements the required traits + --> $DIR/needless_borrow.rs:364:15 + | +LL | debug(&x); + | ^^ help: change this to: `x` + +error: the borrowed expression implements the required traits + --> $DIR/needless_borrow.rs:374:15 + | +LL | use_x(&x); + | ^^ help: change this to: `x` + +error: aborting due to 35 previous errors diff --git a/src/tools/clippy/tests/ui/option_as_ref_deref.fixed b/src/tools/clippy/tests/ui/option_as_ref_deref.fixed index 07d7f0b45b0..bc376d0d7fb 100644 --- a/src/tools/clippy/tests/ui/option_as_ref_deref.fixed +++ b/src/tools/clippy/tests/ui/option_as_ref_deref.fixed @@ -1,6 +1,7 @@ // run-rustfix -#![allow(unused_imports, clippy::redundant_clone)] +#![feature(custom_inner_attributes)] +#![allow(unused, clippy::redundant_clone)] #![warn(clippy::option_as_ref_deref)] use std::ffi::{CString, OsString}; @@ -42,3 +43,17 @@ fn main() { // Issue #5927 let _ = opt.as_deref(); } + +fn msrv_1_39() { + #![clippy::msrv = "1.39"] + + let opt = Some(String::from("123")); + let _ = opt.as_ref().map(String::as_str); +} + +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + let opt = Some(String::from("123")); + let _ = opt.as_deref(); +} diff --git a/src/tools/clippy/tests/ui/option_as_ref_deref.rs b/src/tools/clippy/tests/ui/option_as_ref_deref.rs index 6ae059c9425..ba3a2eedc22 100644 --- a/src/tools/clippy/tests/ui/option_as_ref_deref.rs +++ b/src/tools/clippy/tests/ui/option_as_ref_deref.rs @@ -1,6 +1,7 @@ // run-rustfix -#![allow(unused_imports, clippy::redundant_clone)] +#![feature(custom_inner_attributes)] +#![allow(unused, clippy::redundant_clone)] #![warn(clippy::option_as_ref_deref)] use std::ffi::{CString, OsString}; @@ -45,3 +46,17 @@ fn main() { // Issue #5927 let _ = opt.as_ref().map(std::ops::Deref::deref); } + +fn msrv_1_39() { + #![clippy::msrv = "1.39"] + + let opt = Some(String::from("123")); + let _ = opt.as_ref().map(String::as_str); +} + +fn msrv_1_40() { + #![clippy::msrv = "1.40"] + + let opt = Some(String::from("123")); + let _ = opt.as_ref().map(String::as_str); +} diff --git a/src/tools/clippy/tests/ui/option_as_ref_deref.stderr b/src/tools/clippy/tests/ui/option_as_ref_deref.stderr index 62f28232475..7de8b3b6ba4 100644 --- a/src/tools/clippy/tests/ui/option_as_ref_deref.stderr +++ b/src/tools/clippy/tests/ui/option_as_ref_deref.stderr @@ -1,5 +1,5 @@ error: called `.as_ref().map(Deref::deref)` on an Option value. This can be done more directly by calling `opt.clone().as_deref()` instead - --> $DIR/option_as_ref_deref.rs:13:13 + --> $DIR/option_as_ref_deref.rs:14:13 | LL | let _ = opt.clone().as_ref().map(Deref::deref).map(str::len); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.clone().as_deref()` @@ -7,7 +7,7 @@ LL | let _ = opt.clone().as_ref().map(Deref::deref).map(str::len); = note: `-D clippy::option-as-ref-deref` implied by `-D warnings` error: called `.as_ref().map(Deref::deref)` on an Option value. This can be done more directly by calling `opt.clone().as_deref()` instead - --> $DIR/option_as_ref_deref.rs:16:13 + --> $DIR/option_as_ref_deref.rs:17:13 | LL | let _ = opt.clone() | _____________^ @@ -17,94 +17,100 @@ LL | | ) | |_________^ help: try using as_deref instead: `opt.clone().as_deref()` error: called `.as_mut().map(DerefMut::deref_mut)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead - --> $DIR/option_as_ref_deref.rs:22:13 + --> $DIR/option_as_ref_deref.rs:23:13 | LL | let _ = opt.as_mut().map(DerefMut::deref_mut); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()` error: called `.as_ref().map(String::as_str)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead - --> $DIR/option_as_ref_deref.rs:24:13 + --> $DIR/option_as_ref_deref.rs:25:13 | LL | let _ = opt.as_ref().map(String::as_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()` error: called `.as_ref().map(|x| x.as_str())` on an Option value. This can be done more directly by calling `opt.as_deref()` instead - --> $DIR/option_as_ref_deref.rs:25:13 + --> $DIR/option_as_ref_deref.rs:26:13 | LL | let _ = opt.as_ref().map(|x| x.as_str()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()` error: called `.as_mut().map(String::as_mut_str)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead - --> $DIR/option_as_ref_deref.rs:26:13 + --> $DIR/option_as_ref_deref.rs:27:13 | LL | let _ = opt.as_mut().map(String::as_mut_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()` error: called `.as_mut().map(|x| x.as_mut_str())` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead - --> $DIR/option_as_ref_deref.rs:27:13 + --> $DIR/option_as_ref_deref.rs:28:13 | LL | let _ = opt.as_mut().map(|x| x.as_mut_str()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()` error: called `.as_ref().map(CString::as_c_str)` on an Option value. This can be done more directly by calling `Some(CString::new(vec![]).unwrap()).as_deref()` instead - --> $DIR/option_as_ref_deref.rs:28:13 + --> $DIR/option_as_ref_deref.rs:29:13 | LL | let _ = Some(CString::new(vec![]).unwrap()).as_ref().map(CString::as_c_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(CString::new(vec![]).unwrap()).as_deref()` error: called `.as_ref().map(OsString::as_os_str)` on an Option value. This can be done more directly by calling `Some(OsString::new()).as_deref()` instead - --> $DIR/option_as_ref_deref.rs:29:13 + --> $DIR/option_as_ref_deref.rs:30:13 | LL | let _ = Some(OsString::new()).as_ref().map(OsString::as_os_str); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(OsString::new()).as_deref()` error: called `.as_ref().map(PathBuf::as_path)` on an Option value. This can be done more directly by calling `Some(PathBuf::new()).as_deref()` instead - --> $DIR/option_as_ref_deref.rs:30:13 + --> $DIR/option_as_ref_deref.rs:31:13 | LL | let _ = Some(PathBuf::new()).as_ref().map(PathBuf::as_path); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(PathBuf::new()).as_deref()` error: called `.as_ref().map(Vec::as_slice)` on an Option value. This can be done more directly by calling `Some(Vec::<()>::new()).as_deref()` instead - --> $DIR/option_as_ref_deref.rs:31:13 + --> $DIR/option_as_ref_deref.rs:32:13 | LL | let _ = Some(Vec::<()>::new()).as_ref().map(Vec::as_slice); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `Some(Vec::<()>::new()).as_deref()` error: called `.as_mut().map(Vec::as_mut_slice)` on an Option value. This can be done more directly by calling `Some(Vec::<()>::new()).as_deref_mut()` instead - --> $DIR/option_as_ref_deref.rs:32:13 + --> $DIR/option_as_ref_deref.rs:33:13 | LL | let _ = Some(Vec::<()>::new()).as_mut().map(Vec::as_mut_slice); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `Some(Vec::<()>::new()).as_deref_mut()` error: called `.as_ref().map(|x| x.deref())` on an Option value. This can be done more directly by calling `opt.as_deref()` instead - --> $DIR/option_as_ref_deref.rs:34:13 + --> $DIR/option_as_ref_deref.rs:35:13 | LL | let _ = opt.as_ref().map(|x| x.deref()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()` error: called `.as_mut().map(|x| x.deref_mut())` on an Option value. This can be done more directly by calling `opt.clone().as_deref_mut()` instead - --> $DIR/option_as_ref_deref.rs:35:13 + --> $DIR/option_as_ref_deref.rs:36:13 | LL | let _ = opt.clone().as_mut().map(|x| x.deref_mut()).map(|x| x.len()); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.clone().as_deref_mut()` error: called `.as_ref().map(|x| &**x)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead - --> $DIR/option_as_ref_deref.rs:42:13 + --> $DIR/option_as_ref_deref.rs:43:13 | LL | let _ = opt.as_ref().map(|x| &**x); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()` error: called `.as_mut().map(|x| &mut **x)` on an Option value. This can be done more directly by calling `opt.as_deref_mut()` instead - --> $DIR/option_as_ref_deref.rs:43:13 + --> $DIR/option_as_ref_deref.rs:44:13 | LL | let _ = opt.as_mut().map(|x| &mut **x); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref_mut instead: `opt.as_deref_mut()` error: called `.as_ref().map(std::ops::Deref::deref)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead - --> $DIR/option_as_ref_deref.rs:46:13 + --> $DIR/option_as_ref_deref.rs:47:13 | LL | let _ = opt.as_ref().map(std::ops::Deref::deref); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()` -error: aborting due to 17 previous errors +error: called `.as_ref().map(String::as_str)` on an Option value. This can be done more directly by calling `opt.as_deref()` instead + --> $DIR/option_as_ref_deref.rs:61:13 + | +LL | let _ = opt.as_ref().map(String::as_str); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try using as_deref instead: `opt.as_deref()` + +error: aborting due to 18 previous errors diff --git a/src/tools/clippy/tests/ui/or_fun_call.fixed b/src/tools/clippy/tests/ui/or_fun_call.fixed index 896430780ea..23b1aa8bebd 100644 --- a/src/tools/clippy/tests/ui/or_fun_call.fixed +++ b/src/tools/clippy/tests/ui/or_fun_call.fixed @@ -225,4 +225,15 @@ mod issue8239 { } } +mod issue9608 { + fn sig_drop() { + enum X { + X(std::fs::File), + Y(u32), + } + + let _ = None.unwrap_or(X::Y(0)); + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/or_fun_call.rs b/src/tools/clippy/tests/ui/or_fun_call.rs index 2473163d4fd..039998f22dd 100644 --- a/src/tools/clippy/tests/ui/or_fun_call.rs +++ b/src/tools/clippy/tests/ui/or_fun_call.rs @@ -225,4 +225,15 @@ mod issue8239 { } } +mod issue9608 { + fn sig_drop() { + enum X { + X(std::fs::File), + Y(u32), + } + + let _ = None.unwrap_or(X::Y(0)); + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/partial_pub_fields.rs b/src/tools/clippy/tests/ui/partial_pub_fields.rs new file mode 100644 index 00000000000..668545da844 --- /dev/null +++ b/src/tools/clippy/tests/ui/partial_pub_fields.rs @@ -0,0 +1,40 @@ +#![allow(unused)] +#![warn(clippy::partial_pub_fields)] + +fn main() { + use std::collections::HashMap; + + #[derive(Default)] + pub struct FileSet { + files: HashMap<String, u32>, + pub paths: HashMap<u32, String>, + } + + pub struct Color { + pub r: u8, + pub g: u8, + b: u8, + } + + pub struct Point(i32, pub i32); + + pub struct Visibility { + r#pub: bool, + pub pos: u32, + } + + // Don't lint on empty structs; + pub struct Empty1; + pub struct Empty2(); + pub struct Empty3 {}; + + // Don't lint on structs with one field. + pub struct Single1(i32); + pub struct Single2(pub i32); + pub struct Single3 { + v1: i32, + } + pub struct Single4 { + pub v1: i32, + } +} diff --git a/src/tools/clippy/tests/ui/partial_pub_fields.stderr b/src/tools/clippy/tests/ui/partial_pub_fields.stderr new file mode 100644 index 00000000000..84cfc1a9194 --- /dev/null +++ b/src/tools/clippy/tests/ui/partial_pub_fields.stderr @@ -0,0 +1,35 @@ +error: mixed usage of pub and non-pub fields + --> $DIR/partial_pub_fields.rs:10:9 + | +LL | pub paths: HashMap<u32, String>, + | ^^^ + | + = help: consider using private field here + = note: `-D clippy::partial-pub-fields` implied by `-D warnings` + +error: mixed usage of pub and non-pub fields + --> $DIR/partial_pub_fields.rs:16:9 + | +LL | b: u8, + | ^ + | + = help: consider using public field here + +error: mixed usage of pub and non-pub fields + --> $DIR/partial_pub_fields.rs:19:27 + | +LL | pub struct Point(i32, pub i32); + | ^^^ + | + = help: consider using private field here + +error: mixed usage of pub and non-pub fields + --> $DIR/partial_pub_fields.rs:23:9 + | +LL | pub pos: u32, + | ^^^ + | + = help: consider using private field here + +error: aborting due to 4 previous errors + diff --git a/src/tools/clippy/tests/ui/ptr_arg.rs b/src/tools/clippy/tests/ui/ptr_arg.rs index fd15001e540..5f54101ca15 100644 --- a/src/tools/clippy/tests/ui/ptr_arg.rs +++ b/src/tools/clippy/tests/ui/ptr_arg.rs @@ -3,7 +3,7 @@ #![warn(clippy::ptr_arg)] use std::borrow::Cow; -use std::path::PathBuf; +use std::path::{Path, PathBuf}; fn do_vec(x: &Vec<i64>) { //Nothing here @@ -207,3 +207,31 @@ fn cow_conditional_to_mut(a: &mut Cow<str>) { a.to_mut().push_str("foo"); } } + +// Issue #9542 +fn dyn_trait_ok(a: &mut Vec<u32>, b: &mut String, c: &mut PathBuf) { + trait T {} + impl<U> T for Vec<U> {} + impl T for String {} + impl T for PathBuf {} + fn takes_dyn(_: &mut dyn T) {} + + takes_dyn(a); + takes_dyn(b); + takes_dyn(c); +} + +fn dyn_trait(a: &mut Vec<u32>, b: &mut String, c: &mut PathBuf) { + trait T {} + impl<U> T for Vec<U> {} + impl<U> T for [U] {} + impl T for String {} + impl T for str {} + impl T for PathBuf {} + impl T for Path {} + fn takes_dyn(_: &mut dyn T) {} + + takes_dyn(a); + takes_dyn(b); + takes_dyn(c); +} diff --git a/src/tools/clippy/tests/ui/ptr_arg.stderr b/src/tools/clippy/tests/ui/ptr_arg.stderr index d64b5f454a5..6b4de98ce88 100644 --- a/src/tools/clippy/tests/ui/ptr_arg.stderr +++ b/src/tools/clippy/tests/ui/ptr_arg.stderr @@ -162,5 +162,23 @@ error: writing `&mut Vec` instead of `&mut [_]` involves a new object where a sl LL | fn mut_vec_slice_methods(v: &mut Vec<u32>) { | ^^^^^^^^^^^^^ help: change this to: `&mut [u32]` -error: aborting due to 17 previous errors +error: writing `&mut Vec` instead of `&mut [_]` involves a new object where a slice will do + --> $DIR/ptr_arg.rs:224:17 + | +LL | fn dyn_trait(a: &mut Vec<u32>, b: &mut String, c: &mut PathBuf) { + | ^^^^^^^^^^^^^ help: change this to: `&mut [u32]` + +error: writing `&mut String` instead of `&mut str` involves a new object where a slice will do + --> $DIR/ptr_arg.rs:224:35 + | +LL | fn dyn_trait(a: &mut Vec<u32>, b: &mut String, c: &mut PathBuf) { + | ^^^^^^^^^^^ help: change this to: `&mut str` + +error: writing `&mut PathBuf` instead of `&mut Path` involves a new object where a slice will do + --> $DIR/ptr_arg.rs:224:51 + | +LL | fn dyn_trait(a: &mut Vec<u32>, b: &mut String, c: &mut PathBuf) { + | ^^^^^^^^^^^^ help: change this to: `&mut Path` + +error: aborting due to 20 previous errors diff --git a/src/tools/clippy/tests/ui/range_contains.fixed b/src/tools/clippy/tests/ui/range_contains.fixed index 85d021b2f25..824f00cb99e 100644 --- a/src/tools/clippy/tests/ui/range_contains.fixed +++ b/src/tools/clippy/tests/ui/range_contains.fixed @@ -1,10 +1,12 @@ // run-rustfix -#[warn(clippy::manual_range_contains)] -#[allow(unused)] -#[allow(clippy::no_effect)] -#[allow(clippy::short_circuit_statement)] -#[allow(clippy::unnecessary_operation)] +#![feature(custom_inner_attributes)] +#![warn(clippy::manual_range_contains)] +#![allow(unused)] +#![allow(clippy::no_effect)] +#![allow(clippy::short_circuit_statement)] +#![allow(clippy::unnecessary_operation)] + fn main() { let x = 9_i32; @@ -62,3 +64,17 @@ fn main() { pub const fn in_range(a: i32) -> bool { 3 <= a && a <= 20 } + +fn msrv_1_34() { + #![clippy::msrv = "1.34"] + + let x = 5; + x >= 8 && x < 34; +} + +fn msrv_1_35() { + #![clippy::msrv = "1.35"] + + let x = 5; + (8..35).contains(&x); +} diff --git a/src/tools/clippy/tests/ui/range_contains.rs b/src/tools/clippy/tests/ui/range_contains.rs index 9a7a75dc132..df925eeadfe 100644 --- a/src/tools/clippy/tests/ui/range_contains.rs +++ b/src/tools/clippy/tests/ui/range_contains.rs @@ -1,10 +1,12 @@ // run-rustfix -#[warn(clippy::manual_range_contains)] -#[allow(unused)] -#[allow(clippy::no_effect)] -#[allow(clippy::short_circuit_statement)] -#[allow(clippy::unnecessary_operation)] +#![feature(custom_inner_attributes)] +#![warn(clippy::manual_range_contains)] +#![allow(unused)] +#![allow(clippy::no_effect)] +#![allow(clippy::short_circuit_statement)] +#![allow(clippy::unnecessary_operation)] + fn main() { let x = 9_i32; @@ -62,3 +64,17 @@ fn main() { pub const fn in_range(a: i32) -> bool { 3 <= a && a <= 20 } + +fn msrv_1_34() { + #![clippy::msrv = "1.34"] + + let x = 5; + x >= 8 && x < 34; +} + +fn msrv_1_35() { + #![clippy::msrv = "1.35"] + + let x = 5; + x >= 8 && x < 35; +} diff --git a/src/tools/clippy/tests/ui/range_contains.stderr b/src/tools/clippy/tests/ui/range_contains.stderr index 936859db5a1..9689e665b05 100644 --- a/src/tools/clippy/tests/ui/range_contains.stderr +++ b/src/tools/clippy/tests/ui/range_contains.stderr @@ -1,5 +1,5 @@ error: manual `Range::contains` implementation - --> $DIR/range_contains.rs:12:5 + --> $DIR/range_contains.rs:14:5 | LL | x >= 8 && x < 12; | ^^^^^^^^^^^^^^^^ help: use: `(8..12).contains(&x)` @@ -7,118 +7,124 @@ LL | x >= 8 && x < 12; = note: `-D clippy::manual-range-contains` implied by `-D warnings` error: manual `Range::contains` implementation - --> $DIR/range_contains.rs:13:5 + --> $DIR/range_contains.rs:15:5 | LL | x < 42 && x >= 21; | ^^^^^^^^^^^^^^^^^ help: use: `(21..42).contains(&x)` error: manual `Range::contains` implementation - --> $DIR/range_contains.rs:14:5 + --> $DIR/range_contains.rs:16:5 | LL | 100 > x && 1 <= x; | ^^^^^^^^^^^^^^^^^ help: use: `(1..100).contains(&x)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:17:5 + --> $DIR/range_contains.rs:19:5 | LL | x >= 9 && x <= 99; | ^^^^^^^^^^^^^^^^^ help: use: `(9..=99).contains(&x)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:18:5 + --> $DIR/range_contains.rs:20:5 | LL | x <= 33 && x >= 1; | ^^^^^^^^^^^^^^^^^ help: use: `(1..=33).contains(&x)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:19:5 + --> $DIR/range_contains.rs:21:5 | LL | 999 >= x && 1 <= x; | ^^^^^^^^^^^^^^^^^^ help: use: `(1..=999).contains(&x)` error: manual `!Range::contains` implementation - --> $DIR/range_contains.rs:22:5 + --> $DIR/range_contains.rs:24:5 | LL | x < 8 || x >= 12; | ^^^^^^^^^^^^^^^^ help: use: `!(8..12).contains(&x)` error: manual `!Range::contains` implementation - --> $DIR/range_contains.rs:23:5 + --> $DIR/range_contains.rs:25:5 | LL | x >= 42 || x < 21; | ^^^^^^^^^^^^^^^^^ help: use: `!(21..42).contains(&x)` error: manual `!Range::contains` implementation - --> $DIR/range_contains.rs:24:5 + --> $DIR/range_contains.rs:26:5 | LL | 100 <= x || 1 > x; | ^^^^^^^^^^^^^^^^^ help: use: `!(1..100).contains(&x)` error: manual `!RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:27:5 + --> $DIR/range_contains.rs:29:5 | LL | x < 9 || x > 99; | ^^^^^^^^^^^^^^^ help: use: `!(9..=99).contains(&x)` error: manual `!RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:28:5 + --> $DIR/range_contains.rs:30:5 | LL | x > 33 || x < 1; | ^^^^^^^^^^^^^^^ help: use: `!(1..=33).contains(&x)` error: manual `!RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:29:5 + --> $DIR/range_contains.rs:31:5 | LL | 999 < x || 1 > x; | ^^^^^^^^^^^^^^^^ help: use: `!(1..=999).contains(&x)` error: manual `Range::contains` implementation - --> $DIR/range_contains.rs:44:5 + --> $DIR/range_contains.rs:46:5 | LL | y >= 0. && y < 1.; | ^^^^^^^^^^^^^^^^^ help: use: `(0. ..1.).contains(&y)` error: manual `!RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:45:5 + --> $DIR/range_contains.rs:47:5 | LL | y < 0. || y > 1.; | ^^^^^^^^^^^^^^^^ help: use: `!(0. ..=1.).contains(&y)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:48:5 + --> $DIR/range_contains.rs:50:5 | LL | x >= -10 && x <= 10; | ^^^^^^^^^^^^^^^^^^^ help: use: `(-10..=10).contains(&x)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:50:5 + --> $DIR/range_contains.rs:52:5 | LL | y >= -3. && y <= 3.; | ^^^^^^^^^^^^^^^^^^^ help: use: `(-3. ..=3.).contains(&y)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:55:30 + --> $DIR/range_contains.rs:57:30 | LL | (x >= 0) && (x <= 10) && (z >= 0) && (z <= 10); | ^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=10).contains(&z)` error: manual `RangeInclusive::contains` implementation - --> $DIR/range_contains.rs:55:5 + --> $DIR/range_contains.rs:57:5 | LL | (x >= 0) && (x <= 10) && (z >= 0) && (z <= 10); | ^^^^^^^^^^^^^^^^^^^^^ help: use: `(0..=10).contains(&x)` error: manual `!Range::contains` implementation - --> $DIR/range_contains.rs:56:29 + --> $DIR/range_contains.rs:58:29 | LL | (x < 0) || (x >= 10) || (z < 0) || (z >= 10); | ^^^^^^^^^^^^^^^^^^^^ help: use: `!(0..10).contains(&z)` error: manual `!Range::contains` implementation - --> $DIR/range_contains.rs:56:5 + --> $DIR/range_contains.rs:58:5 | LL | (x < 0) || (x >= 10) || (z < 0) || (z >= 10); | ^^^^^^^^^^^^^^^^^^^^ help: use: `!(0..10).contains(&x)` -error: aborting due to 20 previous errors +error: manual `Range::contains` implementation + --> $DIR/range_contains.rs:79:5 + | +LL | x >= 8 && x < 35; + | ^^^^^^^^^^^^^^^^ help: use: `(8..35).contains(&x)` + +error: aborting due to 21 previous errors diff --git a/src/tools/clippy/tests/ui/redundant_field_names.fixed b/src/tools/clippy/tests/ui/redundant_field_names.fixed index 5b4b8eeedd4..34ab552cb1d 100644 --- a/src/tools/clippy/tests/ui/redundant_field_names.fixed +++ b/src/tools/clippy/tests/ui/redundant_field_names.fixed @@ -1,4 +1,6 @@ // run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::redundant_field_names)] #![allow(clippy::no_effect, dead_code, unused_variables)] @@ -69,3 +71,17 @@ fn issue_3476() { S { foo: foo::<i32> }; } + +fn msrv_1_16() { + #![clippy::msrv = "1.16"] + + let start = 0; + let _ = RangeFrom { start: start }; +} + +fn msrv_1_17() { + #![clippy::msrv = "1.17"] + + let start = 0; + let _ = RangeFrom { start }; +} diff --git a/src/tools/clippy/tests/ui/redundant_field_names.rs b/src/tools/clippy/tests/ui/redundant_field_names.rs index 3f97b80c568..a051b1f96f0 100644 --- a/src/tools/clippy/tests/ui/redundant_field_names.rs +++ b/src/tools/clippy/tests/ui/redundant_field_names.rs @@ -1,4 +1,6 @@ // run-rustfix + +#![feature(custom_inner_attributes)] #![warn(clippy::redundant_field_names)] #![allow(clippy::no_effect, dead_code, unused_variables)] @@ -69,3 +71,17 @@ fn issue_3476() { S { foo: foo::<i32> }; } + +fn msrv_1_16() { + #![clippy::msrv = "1.16"] + + let start = 0; + let _ = RangeFrom { start: start }; +} + +fn msrv_1_17() { + #![clippy::msrv = "1.17"] + + let start = 0; + let _ = RangeFrom { start: start }; +} diff --git a/src/tools/clippy/tests/ui/redundant_field_names.stderr b/src/tools/clippy/tests/ui/redundant_field_names.stderr index 7976292df22..8b82e062b93 100644 --- a/src/tools/clippy/tests/ui/redundant_field_names.stderr +++ b/src/tools/clippy/tests/ui/redundant_field_names.stderr @@ -1,5 +1,5 @@ error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:34:9 + --> $DIR/redundant_field_names.rs:36:9 | LL | gender: gender, | ^^^^^^^^^^^^^^ help: replace it with: `gender` @@ -7,40 +7,46 @@ LL | gender: gender, = note: `-D clippy::redundant-field-names` implied by `-D warnings` error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:35:9 + --> $DIR/redundant_field_names.rs:37:9 | LL | age: age, | ^^^^^^^^ help: replace it with: `age` error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:56:25 + --> $DIR/redundant_field_names.rs:58:25 | LL | let _ = RangeFrom { start: start }; | ^^^^^^^^^^^^ help: replace it with: `start` error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:57:23 + --> $DIR/redundant_field_names.rs:59:23 | LL | let _ = RangeTo { end: end }; | ^^^^^^^^ help: replace it with: `end` error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:58:21 + --> $DIR/redundant_field_names.rs:60:21 | LL | let _ = Range { start: start, end: end }; | ^^^^^^^^^^^^ help: replace it with: `start` error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:58:35 + --> $DIR/redundant_field_names.rs:60:35 | LL | let _ = Range { start: start, end: end }; | ^^^^^^^^ help: replace it with: `end` error: redundant field names in struct initialization - --> $DIR/redundant_field_names.rs:60:32 + --> $DIR/redundant_field_names.rs:62:32 | LL | let _ = RangeToInclusive { end: end }; | ^^^^^^^^ help: replace it with: `end` -error: aborting due to 7 previous errors +error: redundant field names in struct initialization + --> $DIR/redundant_field_names.rs:86:25 + | +LL | let _ = RangeFrom { start: start }; + | ^^^^^^^^^^^^ help: replace it with: `start` + +error: aborting due to 8 previous errors diff --git a/src/tools/clippy/tests/ui/redundant_static_lifetimes.fixed b/src/tools/clippy/tests/ui/redundant_static_lifetimes.fixed index acc8f1e25b6..42110dbe81e 100644 --- a/src/tools/clippy/tests/ui/redundant_static_lifetimes.fixed +++ b/src/tools/clippy/tests/ui/redundant_static_lifetimes.fixed @@ -1,5 +1,6 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![allow(unused)] #[derive(Debug)] @@ -54,3 +55,15 @@ impl Foo { impl Bar for Foo { const TRAIT_VAR: &'static str = "foo"; } + +fn msrv_1_16() { + #![clippy::msrv = "1.16"] + + static V: &'static u8 = &16; +} + +fn msrv_1_17() { + #![clippy::msrv = "1.17"] + + static V: &u8 = &17; +} diff --git a/src/tools/clippy/tests/ui/redundant_static_lifetimes.rs b/src/tools/clippy/tests/ui/redundant_static_lifetimes.rs index f2f0f78659c..bc5200bc862 100644 --- a/src/tools/clippy/tests/ui/redundant_static_lifetimes.rs +++ b/src/tools/clippy/tests/ui/redundant_static_lifetimes.rs @@ -1,5 +1,6 @@ // run-rustfix +#![feature(custom_inner_attributes)] #![allow(unused)] #[derive(Debug)] @@ -54,3 +55,15 @@ impl Foo { impl Bar for Foo { const TRAIT_VAR: &'static str = "foo"; } + +fn msrv_1_16() { + #![clippy::msrv = "1.16"] + + static V: &'static u8 = &16; +} + +fn msrv_1_17() { + #![clippy::msrv = "1.17"] + + static V: &'static u8 = &17; +} diff --git a/src/tools/clippy/tests/ui/redundant_static_lifetimes.stderr b/src/tools/clippy/tests/ui/redundant_static_lifetimes.stderr index 649831f9c06..735113460d2 100644 --- a/src/tools/clippy/tests/ui/redundant_static_lifetimes.stderr +++ b/src/tools/clippy/tests/ui/redundant_static_lifetimes.stderr @@ -1,5 +1,5 @@ error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:8:17 + --> $DIR/redundant_static_lifetimes.rs:9:17 | LL | const VAR_ONE: &'static str = "Test constant #1"; // ERROR Consider removing 'static. | -^^^^^^^---- help: consider removing `'static`: `&str` @@ -7,94 +7,100 @@ LL | const VAR_ONE: &'static str = "Test constant #1"; // ERROR Consider removin = note: `-D clippy::redundant-static-lifetimes` implied by `-D warnings` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:12:21 + --> $DIR/redundant_static_lifetimes.rs:13:21 | LL | const VAR_THREE: &[&'static str] = &["one", "two"]; // ERROR Consider removing 'static | -^^^^^^^---- help: consider removing `'static`: `&str` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:14:32 + --> $DIR/redundant_static_lifetimes.rs:15:32 | LL | const VAR_FOUR: (&str, (&str, &'static str), &'static str) = ("on", ("th", "th"), "on"); // ERROR Consider removing 'static | -^^^^^^^---- help: consider removing `'static`: `&str` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:14:47 + --> $DIR/redundant_static_lifetimes.rs:15:47 | LL | const VAR_FOUR: (&str, (&str, &'static str), &'static str) = ("on", ("th", "th"), "on"); // ERROR Consider removing 'static | -^^^^^^^---- help: consider removing `'static`: `&str` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:16:17 + --> $DIR/redundant_static_lifetimes.rs:17:17 | LL | const VAR_SIX: &'static u8 = &5; | -^^^^^^^--- help: consider removing `'static`: `&u8` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:18:20 + --> $DIR/redundant_static_lifetimes.rs:19:20 | LL | const VAR_HEIGHT: &'static Foo = &Foo {}; | -^^^^^^^---- help: consider removing `'static`: `&Foo` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:20:19 + --> $DIR/redundant_static_lifetimes.rs:21:19 | LL | const VAR_SLICE: &'static [u8] = b"Test constant #1"; // ERROR Consider removing 'static. | -^^^^^^^----- help: consider removing `'static`: `&[u8]` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:22:19 + --> $DIR/redundant_static_lifetimes.rs:23:19 | LL | const VAR_TUPLE: &'static (u8, u8) = &(1, 2); // ERROR Consider removing 'static. | -^^^^^^^--------- help: consider removing `'static`: `&(u8, u8)` error: constants have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:24:19 + --> $DIR/redundant_static_lifetimes.rs:25:19 | LL | const VAR_ARRAY: &'static [u8; 1] = b"T"; // ERROR Consider removing 'static. | -^^^^^^^-------- help: consider removing `'static`: `&[u8; 1]` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:26:25 + --> $DIR/redundant_static_lifetimes.rs:27:25 | LL | static STATIC_VAR_ONE: &'static str = "Test static #1"; // ERROR Consider removing 'static. | -^^^^^^^---- help: consider removing `'static`: `&str` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:30:29 + --> $DIR/redundant_static_lifetimes.rs:31:29 | LL | static STATIC_VAR_THREE: &[&'static str] = &["one", "two"]; // ERROR Consider removing 'static | -^^^^^^^---- help: consider removing `'static`: `&str` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:32:25 + --> $DIR/redundant_static_lifetimes.rs:33:25 | LL | static STATIC_VAR_SIX: &'static u8 = &5; | -^^^^^^^--- help: consider removing `'static`: `&u8` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:34:28 + --> $DIR/redundant_static_lifetimes.rs:35:28 | LL | static STATIC_VAR_HEIGHT: &'static Foo = &Foo {}; | -^^^^^^^---- help: consider removing `'static`: `&Foo` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:36:27 + --> $DIR/redundant_static_lifetimes.rs:37:27 | LL | static STATIC_VAR_SLICE: &'static [u8] = b"Test static #3"; // ERROR Consider removing 'static. | -^^^^^^^----- help: consider removing `'static`: `&[u8]` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:38:27 + --> $DIR/redundant_static_lifetimes.rs:39:27 | LL | static STATIC_VAR_TUPLE: &'static (u8, u8) = &(1, 2); // ERROR Consider removing 'static. | -^^^^^^^--------- help: consider removing `'static`: `&(u8, u8)` error: statics have by default a `'static` lifetime - --> $DIR/redundant_static_lifetimes.rs:40:27 + --> $DIR/redundant_static_lifetimes.rs:41:27 | LL | static STATIC_VAR_ARRAY: &'static [u8; 1] = b"T"; // ERROR Consider removing 'static. | -^^^^^^^-------- help: consider removing `'static`: `&[u8; 1]` -error: aborting due to 16 previous errors +error: statics have by default a `'static` lifetime + --> $DIR/redundant_static_lifetimes.rs:68:16 + | +LL | static V: &'static u8 = &17; + | -^^^^^^^--- help: consider removing `'static`: `&u8` + +error: aborting due to 17 previous errors diff --git a/src/tools/clippy/tests/ui/ref_option_ref.rs b/src/tools/clippy/tests/ui/ref_option_ref.rs index 2df45c927d7..e487799e152 100644 --- a/src/tools/clippy/tests/ui/ref_option_ref.rs +++ b/src/tools/clippy/tests/ui/ref_option_ref.rs @@ -45,3 +45,8 @@ impl RefOptTrait for u32 { fn main() { let x: &Option<&u32> = &None; } + +fn issue9682(arg: &Option<&mut String>) { + // Should not lint, as the inner ref is mutable making it non `Copy` + println!("{arg:?}"); +} diff --git a/src/tools/clippy/tests/ui/uninlined_format_args.fixed b/src/tools/clippy/tests/ui/uninlined_format_args.fixed index 3ca7a401902..10627447975 100644 --- a/src/tools/clippy/tests/ui/uninlined_format_args.fixed +++ b/src/tools/clippy/tests/ui/uninlined_format_args.fixed @@ -150,6 +150,19 @@ fn tester(fn_arg: i32) { println!(with_span!("{0} {1}" "{1} {0}"), local_i32, local_f64); println!("{}", with_span!(span val)); + + if local_i32 > 0 { + panic!("p1 {local_i32}"); + } + if local_i32 > 0 { + panic!("p2 {local_i32}"); + } + if local_i32 > 0 { + panic!("p3 {local_i32}"); + } + if local_i32 > 0 { + panic!("p4 {local_i32}"); + } } fn main() { diff --git a/src/tools/clippy/tests/ui/uninlined_format_args.rs b/src/tools/clippy/tests/ui/uninlined_format_args.rs index 924191f4324..8e495ebd083 100644 --- a/src/tools/clippy/tests/ui/uninlined_format_args.rs +++ b/src/tools/clippy/tests/ui/uninlined_format_args.rs @@ -150,6 +150,19 @@ fn tester(fn_arg: i32) { println!(with_span!("{0} {1}" "{1} {0}"), local_i32, local_f64); println!("{}", with_span!(span val)); + + if local_i32 > 0 { + panic!("p1 {}", local_i32); + } + if local_i32 > 0 { + panic!("p2 {0}", local_i32); + } + if local_i32 > 0 { + panic!("p3 {local_i32}", local_i32 = local_i32); + } + if local_i32 > 0 { + panic!("p4 {local_i32}"); + } } fn main() { diff --git a/src/tools/clippy/tests/ui/uninlined_format_args.stderr b/src/tools/clippy/tests/ui/uninlined_format_args.stderr index d1a77492634..2ce3b7fa960 100644 --- a/src/tools/clippy/tests/ui/uninlined_format_args.stderr +++ b/src/tools/clippy/tests/ui/uninlined_format_args.stderr @@ -828,7 +828,43 @@ LL + println!("{val}"); | error: variables can be used directly in the `format!` string - --> $DIR/uninlined_format_args.rs:168:5 + --> $DIR/uninlined_format_args.rs:155:9 + | +LL | panic!("p1 {}", local_i32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: change this to + | +LL - panic!("p1 {}", local_i32); +LL + panic!("p1 {local_i32}"); + | + +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args.rs:158:9 + | +LL | panic!("p2 {0}", local_i32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: change this to + | +LL - panic!("p2 {0}", local_i32); +LL + panic!("p2 {local_i32}"); + | + +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args.rs:161:9 + | +LL | panic!("p3 {local_i32}", local_i32 = local_i32); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: change this to + | +LL - panic!("p3 {local_i32}", local_i32 = local_i32); +LL + panic!("p3 {local_i32}"); + | + +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args.rs:181:5 | LL | println!("expand='{}'", local_i32); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -839,5 +875,5 @@ LL - println!("expand='{}'", local_i32); LL + println!("expand='{local_i32}'"); | -error: aborting due to 70 previous errors +error: aborting due to 73 previous errors diff --git a/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2018.fixed b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2018.fixed new file mode 100644 index 00000000000..96cc0877960 --- /dev/null +++ b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2018.fixed @@ -0,0 +1,29 @@ +// revisions: edition2018 edition2021 +//[edition2018] edition:2018 +//[edition2021] edition:2021 +// run-rustfix + +#![warn(clippy::uninlined_format_args)] + +fn main() { + let var = 1; + + println!("val='{var}'"); + + if var > 0 { + panic!("p1 {}", var); + } + if var > 0 { + panic!("p2 {0}", var); + } + if var > 0 { + panic!("p3 {var}", var = var); + } + + #[allow(non_fmt_panics)] + { + if var > 0 { + panic!("p4 {var}"); + } + } +} diff --git a/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2018.stderr b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2018.stderr new file mode 100644 index 00000000000..2c806125922 --- /dev/null +++ b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2018.stderr @@ -0,0 +1,15 @@ +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args_panic.rs:11:5 + | +LL | println!("val='{}'", var); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `-D clippy::uninlined-format-args` implied by `-D warnings` +help: change this to + | +LL - println!("val='{}'", var); +LL + println!("val='{var}'"); + | + +error: aborting due to previous error + diff --git a/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2021.fixed b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2021.fixed new file mode 100644 index 00000000000..faf8ca4d3a7 --- /dev/null +++ b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2021.fixed @@ -0,0 +1,29 @@ +// revisions: edition2018 edition2021 +//[edition2018] edition:2018 +//[edition2021] edition:2021 +// run-rustfix + +#![warn(clippy::uninlined_format_args)] + +fn main() { + let var = 1; + + println!("val='{var}'"); + + if var > 0 { + panic!("p1 {var}"); + } + if var > 0 { + panic!("p2 {var}"); + } + if var > 0 { + panic!("p3 {var}"); + } + + #[allow(non_fmt_panics)] + { + if var > 0 { + panic!("p4 {var}"); + } + } +} diff --git a/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2021.stderr b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2021.stderr new file mode 100644 index 00000000000..0f09c45f413 --- /dev/null +++ b/src/tools/clippy/tests/ui/uninlined_format_args_panic.edition2021.stderr @@ -0,0 +1,51 @@ +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args_panic.rs:11:5 + | +LL | println!("val='{}'", var); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: `-D clippy::uninlined-format-args` implied by `-D warnings` +help: change this to + | +LL - println!("val='{}'", var); +LL + println!("val='{var}'"); + | + +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args_panic.rs:14:9 + | +LL | panic!("p1 {}", var); + | ^^^^^^^^^^^^^^^^^^^^ + | +help: change this to + | +LL - panic!("p1 {}", var); +LL + panic!("p1 {var}"); + | + +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args_panic.rs:17:9 + | +LL | panic!("p2 {0}", var); + | ^^^^^^^^^^^^^^^^^^^^^ + | +help: change this to + | +LL - panic!("p2 {0}", var); +LL + panic!("p2 {var}"); + | + +error: variables can be used directly in the `format!` string + --> $DIR/uninlined_format_args_panic.rs:20:9 + | +LL | panic!("p3 {var}", var = var); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: change this to + | +LL - panic!("p3 {var}", var = var); +LL + panic!("p3 {var}"); + | + +error: aborting due to 4 previous errors + diff --git a/src/tools/clippy/tests/ui/uninlined_format_args_panic.rs b/src/tools/clippy/tests/ui/uninlined_format_args_panic.rs new file mode 100644 index 00000000000..6421c5bbed2 --- /dev/null +++ b/src/tools/clippy/tests/ui/uninlined_format_args_panic.rs @@ -0,0 +1,29 @@ +// revisions: edition2018 edition2021 +//[edition2018] edition:2018 +//[edition2021] edition:2021 +// run-rustfix + +#![warn(clippy::uninlined_format_args)] + +fn main() { + let var = 1; + + println!("val='{}'", var); + + if var > 0 { + panic!("p1 {}", var); + } + if var > 0 { + panic!("p2 {0}", var); + } + if var > 0 { + panic!("p3 {var}", var = var); + } + + #[allow(non_fmt_panics)] + { + if var > 0 { + panic!("p4 {var}"); + } + } +} diff --git a/src/tools/clippy/tests/ui/unnecessary_cast.fixed b/src/tools/clippy/tests/ui/unnecessary_cast.fixed index 94dc9642726..ec8c6abfab9 100644 --- a/src/tools/clippy/tests/ui/unnecessary_cast.fixed +++ b/src/tools/clippy/tests/ui/unnecessary_cast.fixed @@ -111,4 +111,8 @@ mod fixable { let _num = foo(); } + + fn issue_9603() { + let _: f32 = -0x400 as f32; + } } diff --git a/src/tools/clippy/tests/ui/unnecessary_cast.rs b/src/tools/clippy/tests/ui/unnecessary_cast.rs index e5150256f69..5213cdc269b 100644 --- a/src/tools/clippy/tests/ui/unnecessary_cast.rs +++ b/src/tools/clippy/tests/ui/unnecessary_cast.rs @@ -111,4 +111,8 @@ mod fixable { let _num = foo() as f32; } + + fn issue_9603() { + let _: f32 = -0x400 as f32; + } } diff --git a/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed b/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed index f97583aa22f..fe09aad06bc 100644 --- a/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed +++ b/src/tools/clippy/tests/ui/unnecessary_to_owned.fixed @@ -1,6 +1,6 @@ // run-rustfix -#![allow(clippy::ptr_arg)] +#![allow(clippy::needless_borrow, clippy::ptr_arg)] #![warn(clippy::unnecessary_to_owned)] #![feature(custom_inner_attributes)] diff --git a/src/tools/clippy/tests/ui/unnecessary_to_owned.rs b/src/tools/clippy/tests/ui/unnecessary_to_owned.rs index aa5394a5657..3de6d0903c0 100644 --- a/src/tools/clippy/tests/ui/unnecessary_to_owned.rs +++ b/src/tools/clippy/tests/ui/unnecessary_to_owned.rs @@ -1,6 +1,6 @@ // run-rustfix -#![allow(clippy::ptr_arg)] +#![allow(clippy::needless_borrow, clippy::ptr_arg)] #![warn(clippy::unnecessary_to_owned)] #![feature(custom_inner_attributes)] diff --git a/src/tools/clippy/tests/ui/unnested_or_patterns.fixed b/src/tools/clippy/tests/ui/unnested_or_patterns.fixed index c223b5bc711..9786c7b1212 100644 --- a/src/tools/clippy/tests/ui/unnested_or_patterns.fixed +++ b/src/tools/clippy/tests/ui/unnested_or_patterns.fixed @@ -1,9 +1,9 @@ // run-rustfix -#![feature(box_patterns)] +#![feature(box_patterns, custom_inner_attributes)] #![warn(clippy::unnested_or_patterns)] #![allow(clippy::cognitive_complexity, clippy::match_ref_pats, clippy::upper_case_acronyms)] -#![allow(unreachable_patterns, irrefutable_let_patterns, unused_variables)] +#![allow(unreachable_patterns, irrefutable_let_patterns, unused)] fn main() { // Should be ignored by this lint, as nesting requires more characters. @@ -33,3 +33,15 @@ fn main() { if let S { x: 0 | 1, y } = (S { x: 0, y: 1 }) {} if let S { x: 0, y, .. } | S { y, x: 1 } = (S { x: 0, y: 1 }) {} } + +fn msrv_1_52() { + #![clippy::msrv = "1.52"] + + if let [1] | [52] = [0] {} +} + +fn msrv_1_53() { + #![clippy::msrv = "1.53"] + + if let [1 | 53] = [0] {} +} diff --git a/src/tools/clippy/tests/ui/unnested_or_patterns.rs b/src/tools/clippy/tests/ui/unnested_or_patterns.rs index 04cd11036e4..f57322396d4 100644 --- a/src/tools/clippy/tests/ui/unnested_or_patterns.rs +++ b/src/tools/clippy/tests/ui/unnested_or_patterns.rs @@ -1,9 +1,9 @@ // run-rustfix -#![feature(box_patterns)] +#![feature(box_patterns, custom_inner_attributes)] #![warn(clippy::unnested_or_patterns)] #![allow(clippy::cognitive_complexity, clippy::match_ref_pats, clippy::upper_case_acronyms)] -#![allow(unreachable_patterns, irrefutable_let_patterns, unused_variables)] +#![allow(unreachable_patterns, irrefutable_let_patterns, unused)] fn main() { // Should be ignored by this lint, as nesting requires more characters. @@ -33,3 +33,15 @@ fn main() { if let S { x: 0, y } | S { y, x: 1 } = (S { x: 0, y: 1 }) {} if let S { x: 0, y, .. } | S { y, x: 1 } = (S { x: 0, y: 1 }) {} } + +fn msrv_1_52() { + #![clippy::msrv = "1.52"] + + if let [1] | [52] = [0] {} +} + +fn msrv_1_53() { + #![clippy::msrv = "1.53"] + + if let [1] | [53] = [0] {} +} diff --git a/src/tools/clippy/tests/ui/unnested_or_patterns.stderr b/src/tools/clippy/tests/ui/unnested_or_patterns.stderr index 453c66cbba8..fbc12fff0b0 100644 --- a/src/tools/clippy/tests/ui/unnested_or_patterns.stderr +++ b/src/tools/clippy/tests/ui/unnested_or_patterns.stderr @@ -175,5 +175,16 @@ help: nest the patterns LL | if let S { x: 0 | 1, y } = (S { x: 0, y: 1 }) {} | ~~~~~~~~~~~~~~~~~ -error: aborting due to 16 previous errors +error: unnested or-patterns + --> $DIR/unnested_or_patterns.rs:46:12 + | +LL | if let [1] | [53] = [0] {} + | ^^^^^^^^^^ + | +help: nest the patterns + | +LL | if let [1 | 53] = [0] {} + | ~~~~~~~~ + +error: aborting due to 17 previous errors diff --git a/src/tools/clippy/tests/ui/unused_format_specs.fixed b/src/tools/clippy/tests/ui/unused_format_specs.fixed new file mode 100644 index 00000000000..2930722b42d --- /dev/null +++ b/src/tools/clippy/tests/ui/unused_format_specs.fixed @@ -0,0 +1,18 @@ +// run-rustfix + +#![warn(clippy::unused_format_specs)] +#![allow(unused)] + +fn main() { + let f = 1.0f64; + println!("{}", 1.0); + println!("{f} {f:?}"); + + println!("{}", 1); +} + +fn should_not_lint() { + let f = 1.0f64; + println!("{:.1}", 1.0); + println!("{f:.w$} {f:.*?}", 3, w = 2); +} diff --git a/src/tools/clippy/tests/ui/unused_format_specs.rs b/src/tools/clippy/tests/ui/unused_format_specs.rs new file mode 100644 index 00000000000..ee192a000d4 --- /dev/null +++ b/src/tools/clippy/tests/ui/unused_format_specs.rs @@ -0,0 +1,18 @@ +// run-rustfix + +#![warn(clippy::unused_format_specs)] +#![allow(unused)] + +fn main() { + let f = 1.0f64; + println!("{:.}", 1.0); + println!("{f:.} {f:.?}"); + + println!("{:.}", 1); +} + +fn should_not_lint() { + let f = 1.0f64; + println!("{:.1}", 1.0); + println!("{f:.w$} {f:.*?}", 3, w = 2); +} diff --git a/src/tools/clippy/tests/ui/unused_format_specs.stderr b/src/tools/clippy/tests/ui/unused_format_specs.stderr new file mode 100644 index 00000000000..7231c17e74c --- /dev/null +++ b/src/tools/clippy/tests/ui/unused_format_specs.stderr @@ -0,0 +1,54 @@ +error: empty precision specifier has no effect + --> $DIR/unused_format_specs.rs:8:17 + | +LL | println!("{:.}", 1.0); + | ^ + | + = note: a precision specifier is not required to format floats + = note: `-D clippy::unused-format-specs` implied by `-D warnings` +help: remove the `.` + | +LL - println!("{:.}", 1.0); +LL + println!("{}", 1.0); + | + +error: empty precision specifier has no effect + --> $DIR/unused_format_specs.rs:9:18 + | +LL | println!("{f:.} {f:.?}"); + | ^ + | + = note: a precision specifier is not required to format floats +help: remove the `.` + | +LL - println!("{f:.} {f:.?}"); +LL + println!("{f} {f:.?}"); + | + +error: empty precision specifier has no effect + --> $DIR/unused_format_specs.rs:9:24 + | +LL | println!("{f:.} {f:.?}"); + | ^ + | + = note: a precision specifier is not required to format floats +help: remove the `.` + | +LL - println!("{f:.} {f:.?}"); +LL + println!("{f:.} {f:?}"); + | + +error: empty precision specifier has no effect + --> $DIR/unused_format_specs.rs:11:17 + | +LL | println!("{:.}", 1); + | ^ + | +help: remove the `.` + | +LL - println!("{:.}", 1); +LL + println!("{}", 1); + | + +error: aborting due to 4 previous errors + diff --git a/src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs b/src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs new file mode 100644 index 00000000000..78601a3483d --- /dev/null +++ b/src/tools/clippy/tests/ui/unused_format_specs_unfixable.rs @@ -0,0 +1,30 @@ +#![warn(clippy::unused_format_specs)] +#![allow(unused)] + +macro_rules! format_args_from_macro { + () => { + format_args!("from macro") + }; +} + +fn main() { + // prints `.`, not ` .` + println!("{:5}.", format_args!("")); + //prints `abcde`, not `abc` + println!("{:.3}", format_args!("abcde")); + + println!("{:5}.", format_args_from_macro!()); + + let args = format_args!(""); + println!("{args:5}"); +} + +fn should_not_lint() { + println!("{}", format_args!("")); + // Technically the same as `{}`, but the `format_args` docs specifically mention that you can use + // debug formatting so allow it + println!("{:?}", format_args!("")); + + let args = format_args!(""); + println!("{args}"); +} diff --git a/src/tools/clippy/tests/ui/unused_format_specs_unfixable.stderr b/src/tools/clippy/tests/ui/unused_format_specs_unfixable.stderr new file mode 100644 index 00000000000..9f1890282e6 --- /dev/null +++ b/src/tools/clippy/tests/ui/unused_format_specs_unfixable.stderr @@ -0,0 +1,69 @@ +error: format specifiers have no effect on `format_args!()` + --> $DIR/unused_format_specs_unfixable.rs:12:15 + | +LL | println!("{:5}.", format_args!("")); + | ^^^^ + | + = note: `-D clippy::unused-format-specs` implied by `-D warnings` +help: for the width to apply consider using `format!()` + | +LL | println!("{:5}.", format!("")); + | ~~~~~~ +help: if the current behavior is intentional, remove the format specifiers + | +LL - println!("{:5}.", format_args!("")); +LL + println!("{}.", format_args!("")); + | + +error: format specifiers have no effect on `format_args!()` + --> $DIR/unused_format_specs_unfixable.rs:14:15 + | +LL | println!("{:.3}", format_args!("abcde")); + | ^^^^^ + | +help: for the precision to apply consider using `format!()` + | +LL | println!("{:.3}", format!("abcde")); + | ~~~~~~ +help: if the current behavior is intentional, remove the format specifiers + | +LL - println!("{:.3}", format_args!("abcde")); +LL + println!("{}", format_args!("abcde")); + | + +error: format specifiers have no effect on `format_args!()` + --> $DIR/unused_format_specs_unfixable.rs:16:15 + | +LL | println!("{:5}.", format_args_from_macro!()); + | ^^^^ + | +help: for the width to apply consider using `format!()` + --> $DIR/unused_format_specs_unfixable.rs:16:17 + | +LL | println!("{:5}.", format_args_from_macro!()); + | ^ +help: if the current behavior is intentional, remove the format specifiers + | +LL - println!("{:5}.", format_args_from_macro!()); +LL + println!("{}.", format_args_from_macro!()); + | + +error: format specifiers have no effect on `format_args!()` + --> $DIR/unused_format_specs_unfixable.rs:19:15 + | +LL | println!("{args:5}"); + | ^^^^^^^^ + | +help: for the width to apply consider using `format!()` + --> $DIR/unused_format_specs_unfixable.rs:19:21 + | +LL | println!("{args:5}"); + | ^ +help: if the current behavior is intentional, remove the format specifiers + | +LL - println!("{args:5}"); +LL + println!("{args}"); + | + +error: aborting due to 4 previous errors + diff --git a/src/tools/clippy/tests/ui/use_self.fixed b/src/tools/clippy/tests/ui/use_self.fixed index 37986187da1..3b54fe9d5ff 100644 --- a/src/tools/clippy/tests/ui/use_self.fixed +++ b/src/tools/clippy/tests/ui/use_self.fixed @@ -1,6 +1,7 @@ // run-rustfix // aux-build:proc_macro_derive.rs +#![feature(custom_inner_attributes)] #![warn(clippy::use_self)] #![allow(dead_code, unreachable_code)] #![allow( @@ -617,3 +618,35 @@ mod issue6902 { Bar = 1, } } + +fn msrv_1_36() { + #![clippy::msrv = "1.36"] + + enum E { + A, + } + + impl E { + fn foo(self) { + match self { + E::A => {}, + } + } + } +} + +fn msrv_1_37() { + #![clippy::msrv = "1.37"] + + enum E { + A, + } + + impl E { + fn foo(self) { + match self { + Self::A => {}, + } + } + } +} diff --git a/src/tools/clippy/tests/ui/use_self.rs b/src/tools/clippy/tests/ui/use_self.rs index 1b2b3337c92..bf87633cd2d 100644 --- a/src/tools/clippy/tests/ui/use_self.rs +++ b/src/tools/clippy/tests/ui/use_self.rs @@ -1,6 +1,7 @@ // run-rustfix // aux-build:proc_macro_derive.rs +#![feature(custom_inner_attributes)] #![warn(clippy::use_self)] #![allow(dead_code, unreachable_code)] #![allow( @@ -617,3 +618,35 @@ mod issue6902 { Bar = 1, } } + +fn msrv_1_36() { + #![clippy::msrv = "1.36"] + + enum E { + A, + } + + impl E { + fn foo(self) { + match self { + E::A => {}, + } + } + } +} + +fn msrv_1_37() { + #![clippy::msrv = "1.37"] + + enum E { + A, + } + + impl E { + fn foo(self) { + match self { + E::A => {}, + } + } + } +} diff --git a/src/tools/clippy/tests/ui/use_self.stderr b/src/tools/clippy/tests/ui/use_self.stderr index f06bb959b3b..16fb0609242 100644 --- a/src/tools/clippy/tests/ui/use_self.stderr +++ b/src/tools/clippy/tests/ui/use_self.stderr @@ -1,5 +1,5 @@ error: unnecessary structure name repetition - --> $DIR/use_self.rs:22:21 + --> $DIR/use_self.rs:23:21 | LL | fn new() -> Foo { | ^^^ help: use the applicable keyword: `Self` @@ -7,244 +7,250 @@ LL | fn new() -> Foo { = note: `-D clippy::use-self` implied by `-D warnings` error: unnecessary structure name repetition - --> $DIR/use_self.rs:23:13 + --> $DIR/use_self.rs:24:13 | LL | Foo {} | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:25:22 + --> $DIR/use_self.rs:26:22 | LL | fn test() -> Foo { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:26:13 + --> $DIR/use_self.rs:27:13 | LL | Foo::new() | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:31:25 + --> $DIR/use_self.rs:32:25 | LL | fn default() -> Foo { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:32:13 + --> $DIR/use_self.rs:33:13 | LL | Foo::new() | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:97:24 + --> $DIR/use_self.rs:98:24 | LL | fn bad(foos: &[Foo]) -> impl Iterator<Item = &Foo> { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:97:55 + --> $DIR/use_self.rs:98:55 | LL | fn bad(foos: &[Foo]) -> impl Iterator<Item = &Foo> { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:112:13 + --> $DIR/use_self.rs:113:13 | LL | TS(0) | ^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:147:29 + --> $DIR/use_self.rs:148:29 | LL | fn bar() -> Bar { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:148:21 + --> $DIR/use_self.rs:149:21 | LL | Bar { foo: Foo {} } | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:159:21 + --> $DIR/use_self.rs:160:21 | LL | fn baz() -> Foo { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:160:13 + --> $DIR/use_self.rs:161:13 | LL | Foo {} | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:177:21 + --> $DIR/use_self.rs:178:21 | LL | let _ = Enum::B(42); | ^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:178:21 + --> $DIR/use_self.rs:179:21 | LL | let _ = Enum::C { field: true }; | ^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:179:21 + --> $DIR/use_self.rs:180:21 | LL | let _ = Enum::A; | ^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:221:13 + --> $DIR/use_self.rs:222:13 | LL | nested::A::fun_1(); | ^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:222:13 + --> $DIR/use_self.rs:223:13 | LL | nested::A::A; | ^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:224:13 + --> $DIR/use_self.rs:225:13 | LL | nested::A {}; | ^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:243:13 + --> $DIR/use_self.rs:244:13 | LL | TestStruct::from_something() | ^^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:257:25 + --> $DIR/use_self.rs:258:25 | LL | async fn g() -> S { | ^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:258:13 + --> $DIR/use_self.rs:259:13 | LL | S {} | ^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:262:16 + --> $DIR/use_self.rs:263:16 | LL | &p[S::A..S::B] | ^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:262:22 + --> $DIR/use_self.rs:263:22 | LL | &p[S::A..S::B] | ^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:285:29 + --> $DIR/use_self.rs:286:29 | LL | fn foo(value: T) -> Foo<T> { | ^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:286:13 + --> $DIR/use_self.rs:287:13 | LL | Foo::<T> { value } | ^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:458:13 + --> $DIR/use_self.rs:459:13 | LL | A::new::<submod::B>(submod::B {}) | ^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:495:13 + --> $DIR/use_self.rs:496:13 | LL | S2::new() | ^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:532:17 + --> $DIR/use_self.rs:533:17 | LL | Foo::Bar => unimplemented!(), | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:533:17 + --> $DIR/use_self.rs:534:17 | LL | Foo::Baz => unimplemented!(), | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:539:20 + --> $DIR/use_self.rs:540:20 | LL | if let Foo::Bar = self { | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:563:17 + --> $DIR/use_self.rs:564:17 | LL | Something::Num(n) => *n, | ^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:564:17 + --> $DIR/use_self.rs:565:17 | LL | Something::TupleNums(n, _m) => *n, | ^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:565:17 + --> $DIR/use_self.rs:566:17 | LL | Something::StructNums { one, two: _ } => *one, | ^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:571:17 + --> $DIR/use_self.rs:572:17 | LL | crate::issue8845::Something::Num(n) => *n, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:572:17 + --> $DIR/use_self.rs:573:17 | LL | crate::issue8845::Something::TupleNums(n, _m) => *n, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:573:17 + --> $DIR/use_self.rs:574:17 | LL | crate::issue8845::Something::StructNums { one, two: _ } => *one, | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:589:17 + --> $DIR/use_self.rs:590:17 | LL | let Foo(x) = self; | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:594:17 + --> $DIR/use_self.rs:595:17 | LL | let crate::issue8845::Foo(x) = self; | ^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:601:17 + --> $DIR/use_self.rs:602:17 | LL | let Bar { x, .. } = self; | ^^^ help: use the applicable keyword: `Self` error: unnecessary structure name repetition - --> $DIR/use_self.rs:606:17 + --> $DIR/use_self.rs:607:17 | LL | let crate::issue8845::Bar { x, .. } = self; | ^^^^^^^^^^^^^^^^^^^^^ help: use the applicable keyword: `Self` -error: aborting due to 41 previous errors +error: unnecessary structure name repetition + --> $DIR/use_self.rs:648:17 + | +LL | E::A => {}, + | ^ help: use the applicable keyword: `Self` + +error: aborting due to 42 previous errors diff --git a/src/tools/clippy/tests/versioncheck.rs b/src/tools/clippy/tests/versioncheck.rs index 9e07769a8e4..a6d8d0307ce 100644 --- a/src/tools/clippy/tests/versioncheck.rs +++ b/src/tools/clippy/tests/versioncheck.rs @@ -48,7 +48,7 @@ fn check_that_clippy_has_the_same_major_version_as_rustc() { // `RUSTC_REAL` if Clippy is build in the Rust repo with `./x.py`. let rustc = std::env::var("RUSTC_REAL").unwrap_or_else(|_| "rustc".to_string()); let rustc_version = String::from_utf8( - std::process::Command::new(&rustc) + std::process::Command::new(rustc) .arg("--version") .output() .expect("failed to run `rustc --version`") diff --git a/src/tools/clippy/util/gh-pages/index.html b/src/tools/clippy/util/gh-pages/index.html index c5d602ea303..e46ad2c6e0e 100644 --- a/src/tools/clippy/util/gh-pages/index.html +++ b/src/tools/clippy/util/gh-pages/index.html @@ -443,6 +443,12 @@ Otherwise, have a great day =^.^= </label> </li> <li class="checkbox"> + <label ng-click="resetGroupsToDefault()"> + <input type="checkbox" class="invisible" /> + Default + </label> + </li> + <li class="checkbox"> <label ng-click="toggleGroups(false)"> <input type="checkbox" class="invisible" /> None diff --git a/src/tools/clippy/util/gh-pages/script.js b/src/tools/clippy/util/gh-pages/script.js index 366e7c8843f..1c16ecd6b0b 100644 --- a/src/tools/clippy/util/gh-pages/script.js +++ b/src/tools/clippy/util/gh-pages/script.js @@ -114,7 +114,7 @@ return $scope.levels[lint.level]; }; - var GROUPS_FILTER_DEFAULT = { + const GROUPS_FILTER_DEFAULT = { cargo: true, complexity: true, correctness: true, @@ -125,8 +125,12 @@ restriction: true, style: true, suspicious: true, + } + + $scope.groups = { + ...GROUPS_FILTER_DEFAULT }; - $scope.groups = GROUPS_FILTER_DEFAULT; + const THEMES_DEFAULT = { light: "Light", rust: "Rust", @@ -164,6 +168,13 @@ } }; + $scope.resetGroupsToDefault = function () { + const groups = $scope.groups; + for (const [key, value] of Object.entries(GROUPS_FILTER_DEFAULT)) { + groups[key] = value; + } + }; + $scope.selectedValuesCount = function (obj) { return Object.values(obj).filter(x => x).length; } diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 417b429161f..a8cf6623f35 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -397,6 +397,8 @@ pub fn run_tests(config: Config) { make_tests(c, &mut tests); } + tests.sort_by(|a, b| a.desc.name.as_slice().cmp(&b.desc.name.as_slice())); + let res = test::run_tests_console(&opts, tests); match res { Ok(true) => {} diff --git a/src/tools/miri/src/shims/intrinsics/simd.rs b/src/tools/miri/src/shims/intrinsics/simd.rs index 163d185f66f..c1b949b1f79 100644 --- a/src/tools/miri/src/shims/intrinsics/simd.rs +++ b/src/tools/miri/src/shims/intrinsics/simd.rs @@ -437,13 +437,13 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let val = match (op.layout.ty.kind(), dest.layout.ty.kind()) { // Int-to-(int|float): always safe (ty::Int(_) | ty::Uint(_), ty::Int(_) | ty::Uint(_) | ty::Float(_)) => - this.misc_cast(&op, dest.layout.ty)?, + this.int_to_int_or_float(&op, dest.layout.ty)?, // Float-to-float: always safe (ty::Float(_), ty::Float(_)) => - this.misc_cast(&op, dest.layout.ty)?, + this.float_to_float_or_int(&op, dest.layout.ty)?, // Float-to-int in safe mode (ty::Float(_), ty::Int(_) | ty::Uint(_)) if safe_cast => - this.misc_cast(&op, dest.layout.ty)?, + this.float_to_float_or_int(&op, dest.layout.ty)?, // Float-to-int in unchecked mode (ty::Float(FloatTy::F32), ty::Int(_) | ty::Uint(_)) if !safe_cast => this.float_to_int_unchecked(op.to_scalar().to_f32()?, dest.layout.ty)?.into(), diff --git a/src/tools/rustdoc/main.rs b/src/tools/rustdoc/main.rs index 5b499a1fa1f..b81f46d1211 100644 --- a/src/tools/rustdoc/main.rs +++ b/src/tools/rustdoc/main.rs @@ -1,3 +1,6 @@ +#![feature(unix_sigpipe)] + +#[unix_sigpipe = "sig_dfl"] fn main() { rustdoc::main() } diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index b9e0d48c9bc..8a0239eceff 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -259,7 +259,9 @@ const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[ "ahash", "anyhow", "ar", + "arrayvec", "autocfg", + "bumpalo", "bitflags", "byteorder", "cfg-if", diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 3815259c9aa..c600f99c2c4 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -8,7 +8,7 @@ use std::path::Path; const ENTRY_LIMIT: usize = 1000; // FIXME: The following limits should be reduced eventually. const ROOT_ENTRY_LIMIT: usize = 948; -const ISSUES_ENTRY_LIMIT: usize = 2126; +const ISSUES_ENTRY_LIMIT: usize = 2117; fn check_entries(path: &Path, bad: &mut bool) { let dirs = walkdir::WalkDir::new(&path.join("test/ui")) |