diff options
369 files changed, 7413 insertions, 3605 deletions
diff --git a/compiler/rustc_attr_data_structures/src/attributes.rs b/compiler/rustc_attr_data_structures/src/attributes.rs index 6542cbf4ba2..3157b18b635 100644 --- a/compiler/rustc_attr_data_structures/src/attributes.rs +++ b/compiler/rustc_attr_data_structures/src/attributes.rs @@ -110,6 +110,22 @@ pub enum DeprecatedSince { Err, } +#[derive( + Copy, + Debug, + Eq, + PartialEq, + Encodable, + Decodable, + Clone, + HashStable_Generic, + PrintAttribute +)] +pub enum CoverageStatus { + On, + Off, +} + impl Deprecation { /// Whether an item marked with #[deprecated(since = "X")] is currently /// deprecated (i.e., whether X is not greater than the current rustc @@ -274,6 +290,9 @@ pub enum AttributeKind { /// Represents `#[const_trait]`. ConstTrait(Span), + /// Represents `#[coverage]`. + Coverage(Span, CoverageStatus), + ///Represents `#[rustc_deny_explicit_impl]`. DenyExplicitImpl(Span), diff --git a/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs b/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs index 6b54827c473..8a3eb2ac845 100644 --- a/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs +++ b/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs @@ -28,6 +28,7 @@ impl AttributeKind { ConstStability { .. } => Yes, ConstStabilityIndirect => No, ConstTrait(..) => No, + Coverage(..) => No, DenyExplicitImpl(..) => No, Deprecation { .. } => Yes, DoNotImplementViaObject(..) => No, diff --git a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs index 34d9b048348..3e542771d58 100644 --- a/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs +++ b/compiler/rustc_attr_parsing/src/attributes/codegen_attrs.rs @@ -1,4 +1,4 @@ -use rustc_attr_data_structures::{AttributeKind, OptimizeAttr, UsedBy}; +use rustc_attr_data_structures::{AttributeKind, CoverageStatus, OptimizeAttr, UsedBy}; use rustc_feature::{AttributeTemplate, template}; use rustc_session::parse::feature_err; use rustc_span::{Span, Symbol, sym}; @@ -52,6 +52,45 @@ impl<S: Stage> NoArgsAttributeParser<S> for ColdParser { const CREATE: fn(Span) -> AttributeKind = AttributeKind::Cold; } +pub(crate) struct CoverageParser; + +impl<S: Stage> SingleAttributeParser<S> for CoverageParser { + const PATH: &[Symbol] = &[sym::coverage]; + const ATTRIBUTE_ORDER: AttributeOrder = AttributeOrder::KeepOutermost; + const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; + const TEMPLATE: AttributeTemplate = template!(OneOf: &[sym::off, sym::on]); + + fn convert(cx: &mut AcceptContext<'_, '_, S>, args: &ArgParser<'_>) -> Option<AttributeKind> { + let Some(args) = args.list() else { + cx.expected_specific_argument_and_list(cx.attr_span, vec!["on", "off"]); + return None; + }; + + let Some(arg) = args.single() else { + cx.expected_single_argument(args.span); + return None; + }; + + let fail_incorrect_argument = |span| cx.expected_specific_argument(span, vec!["on", "off"]); + + let Some(arg) = arg.meta_item() else { + fail_incorrect_argument(args.span); + return None; + }; + + let status = match arg.path().word_sym() { + Some(sym::off) => CoverageStatus::Off, + Some(sym::on) => CoverageStatus::On, + None | Some(_) => { + fail_incorrect_argument(arg.span()); + return None; + } + }; + + Some(AttributeKind::Coverage(cx.attr_span, status)) + } +} + pub(crate) struct ExportNameParser; impl<S: Stage> SingleAttributeParser<S> for ExportNameParser { diff --git a/compiler/rustc_attr_parsing/src/context.rs b/compiler/rustc_attr_parsing/src/context.rs index 1449680e35b..4d692d9562c 100644 --- a/compiler/rustc_attr_parsing/src/context.rs +++ b/compiler/rustc_attr_parsing/src/context.rs @@ -17,8 +17,9 @@ use crate::attributes::allow_unstable::{ AllowConstFnUnstableParser, AllowInternalUnstableParser, UnstableFeatureBoundParser, }; use crate::attributes::codegen_attrs::{ - ColdParser, ExportNameParser, NakedParser, NoMangleParser, OmitGdbPrettyPrinterSectionParser, - OptimizeParser, TargetFeatureParser, TrackCallerParser, UsedParser, + ColdParser, CoverageParser, ExportNameParser, NakedParser, NoMangleParser, + OmitGdbPrettyPrinterSectionParser, OptimizeParser, TargetFeatureParser, TrackCallerParser, + UsedParser, }; use crate::attributes::confusables::ConfusablesParser; use crate::attributes::deprecation::DeprecationParser; @@ -139,6 +140,7 @@ attribute_parsers!( // tidy-alphabetical-end // tidy-alphabetical-start + Single<CoverageParser>, Single<DeprecationParser>, Single<DummyParser>, Single<ExportNameParser>, @@ -452,6 +454,25 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> { reason: AttributeParseErrorReason::ExpectedSpecificArgument { possibilities, strings: false, + list: false, + }, + }) + } + + pub(crate) fn expected_specific_argument_and_list( + &self, + span: Span, + possibilities: Vec<&'static str>, + ) -> ErrorGuaranteed { + self.emit_err(AttributeParseError { + span, + attr_span: self.attr_span, + template: self.template.clone(), + attribute: self.attr_path.clone(), + reason: AttributeParseErrorReason::ExpectedSpecificArgument { + possibilities, + strings: false, + list: true, }, }) } @@ -469,6 +490,7 @@ impl<'f, 'sess: 'f, S: Stage> AcceptContext<'f, 'sess, S> { reason: AttributeParseErrorReason::ExpectedSpecificArgument { possibilities, strings: true, + list: false, }, }) } diff --git a/compiler/rustc_attr_parsing/src/session_diagnostics.rs b/compiler/rustc_attr_parsing/src/session_diagnostics.rs index 5b0bf0e6662..9a400e0fe10 100644 --- a/compiler/rustc_attr_parsing/src/session_diagnostics.rs +++ b/compiler/rustc_attr_parsing/src/session_diagnostics.rs @@ -533,7 +533,9 @@ pub(crate) struct LinkOrdinalOutOfRange { pub(crate) enum AttributeParseErrorReason { ExpectedNoArgs, - ExpectedStringLiteral { byte_string: Option<Span> }, + ExpectedStringLiteral { + byte_string: Option<Span>, + }, ExpectedIntegerLiteral, ExpectedAtLeastOneArgument, ExpectedSingleArgument, @@ -541,7 +543,12 @@ pub(crate) enum AttributeParseErrorReason { UnexpectedLiteral, ExpectedNameValue(Option<Symbol>), DuplicateKey(Symbol), - ExpectedSpecificArgument { possibilities: Vec<&'static str>, strings: bool }, + ExpectedSpecificArgument { + possibilities: Vec<&'static str>, + strings: bool, + /// Should we tell the user to write a list when they didn't? + list: bool, + }, } pub(crate) struct AttributeParseError { @@ -615,7 +622,11 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AttributeParseError { format!("expected this to be of the form `{name} = \"...\"`"), ); } - AttributeParseErrorReason::ExpectedSpecificArgument { possibilities, strings } => { + AttributeParseErrorReason::ExpectedSpecificArgument { + possibilities, + strings, + list: false, + } => { let quote = if strings { '"' } else { '`' }; match possibilities.as_slice() { &[] => {} @@ -641,6 +652,38 @@ impl<'a, G: EmissionGuarantee> Diagnostic<'a, G> for AttributeParseError { } } } + AttributeParseErrorReason::ExpectedSpecificArgument { + possibilities, + strings, + list: true, + } => { + let quote = if strings { '"' } else { '`' }; + match possibilities.as_slice() { + &[] => {} + &[x] => { + diag.span_label( + self.span, + format!( + "this attribute is only valid with {quote}{x}{quote} as an argument" + ), + ); + } + [first, second] => { + diag.span_label(self.span, format!("this attribute is only valid with either {quote}{first}{quote} or {quote}{second}{quote} as an argument")); + } + [first @ .., second_to_last, last] => { + let mut res = String::new(); + for i in first { + res.push_str(&format!("{quote}{i}{quote}, ")); + } + res.push_str(&format!( + "{quote}{second_to_last}{quote} or {quote}{last}{quote}" + )); + + diag.span_label(self.span, format!("this attribute is only valid with one of the following arguments: {res}")); + } + } + } } let suggestions = self.template.suggestions(false, &name); diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index ca636a8c999..9bb96b94506 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -1,3 +1,4 @@ +use rustc_data_structures::fx::FxHashSet; use rustc_hir::def_id::LocalDefId; use rustc_infer::infer::canonical::QueryRegionConstraints; use rustc_infer::infer::outlives::env::RegionBoundPairs; @@ -7,7 +8,7 @@ use rustc_infer::infer::{InferCtxt, SubregionOrigin}; use rustc_infer::traits::query::type_op::DeeplyNormalize; use rustc_middle::bug; use rustc_middle::ty::{ - self, GenericArgKind, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, fold_regions, + self, GenericArgKind, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, elaborate, fold_regions, }; use rustc_span::Span; use rustc_trait_selection::traits::query::type_op::{TypeOp, TypeOpOutput}; @@ -70,10 +71,12 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { #[instrument(skip(self), level = "debug")] pub(super) fn convert_all(&mut self, query_constraints: &QueryRegionConstraints<'tcx>) { - let QueryRegionConstraints { outlives } = query_constraints; + let QueryRegionConstraints { outlives, assumptions } = query_constraints; + let assumptions = + elaborate::elaborate_outlives_assumptions(self.infcx.tcx, assumptions.iter().copied()); for &(predicate, constraint_category) in outlives { - self.convert(predicate, constraint_category); + self.convert(predicate, constraint_category, &assumptions); } } @@ -112,15 +115,20 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { self.category = outlives_requirement.category; self.span = outlives_requirement.blame_span; - self.convert(ty::OutlivesPredicate(subject, outlived_region), self.category); + self.convert( + ty::OutlivesPredicate(subject, outlived_region), + self.category, + &Default::default(), + ); } (self.category, self.span, self.from_closure) = backup; } fn convert( &mut self, - predicate: ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>, + predicate: ty::ArgOutlivesPredicate<'tcx>, constraint_category: ConstraintCategory<'tcx>, + higher_ranked_assumptions: &FxHashSet<ty::ArgOutlivesPredicate<'tcx>>, ) { let tcx = self.infcx.tcx; debug!("generate: constraints at: {:#?}", self.locations); @@ -150,7 +158,15 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { } let mut next_outlives_predicates = vec![]; - for (ty::OutlivesPredicate(k1, r2), constraint_category) in outlives_predicates { + for (pred, constraint_category) in outlives_predicates { + // Constraint is implied by a coroutine's well-formedness. + if self.infcx.tcx.sess.opts.unstable_opts.higher_ranked_assumptions + && higher_ranked_assumptions.contains(&pred) + { + continue; + } + + let ty::OutlivesPredicate(k1, r2) = pred; match k1.kind() { GenericArgKind::Lifetime(r1) => { let r1_vid = self.to_region_vid(r1); @@ -266,14 +282,15 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { &self, ty: Ty<'tcx>, next_outlives_predicates: &mut Vec<( - ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>, + ty::ArgOutlivesPredicate<'tcx>, ConstraintCategory<'tcx>, )>, ) -> Ty<'tcx> { match self.param_env.and(DeeplyNormalize { value: ty }).fully_perform(self.infcx, self.span) { Ok(TypeOpOutput { output: ty, constraints, .. }) => { - if let Some(QueryRegionConstraints { outlives }) = constraints { + // FIXME(higher_ranked_auto): What should we do with the assumptions here? + if let Some(QueryRegionConstraints { outlives, assumptions: _ }) = constraints { next_outlives_predicates.extend(outlives.iter().copied()); } ty diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index f877e5eaadb..d500088c259 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -131,6 +131,11 @@ pub(crate) fn type_check<'tcx>( pre_obligations.is_empty(), "there should be no incoming region obligations = {pre_obligations:#?}", ); + let pre_assumptions = infcx.take_registered_region_assumptions(); + assert!( + pre_assumptions.is_empty(), + "there should be no incoming region assumptions = {pre_assumptions:#?}", + ); debug!(?normalized_inputs_and_output); diff --git a/compiler/rustc_builtin_macros/src/deriving/bounds.rs b/compiler/rustc_builtin_macros/src/deriving/bounds.rs index a98e9c6d1c7..dd8f0e46a0e 100644 --- a/compiler/rustc_builtin_macros/src/deriving/bounds.rs +++ b/compiler/rustc_builtin_macros/src/deriving/bounds.rs @@ -23,6 +23,7 @@ pub(crate) fn expand_deriving_copy( methods: Vec::new(), associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push); @@ -46,6 +47,7 @@ pub(crate) fn expand_deriving_const_param_ty( methods: Vec::new(), associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push); @@ -60,6 +62,7 @@ pub(crate) fn expand_deriving_const_param_ty( methods: Vec::new(), associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push); @@ -83,6 +86,7 @@ pub(crate) fn expand_deriving_unsized_const_param_ty( methods: Vec::new(), associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push); diff --git a/compiler/rustc_builtin_macros/src/deriving/clone.rs b/compiler/rustc_builtin_macros/src/deriving/clone.rs index 69f8c273797..3c78f53c5cb 100644 --- a/compiler/rustc_builtin_macros/src/deriving/clone.rs +++ b/compiler/rustc_builtin_macros/src/deriving/clone.rs @@ -87,6 +87,7 @@ pub(crate) fn expand_deriving_clone( }], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand_ext(cx, mitem, item, push, is_simple) diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs index eca79e4dc48..29d531219a6 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/eq.rs @@ -43,6 +43,7 @@ pub(crate) fn expand_deriving_eq( }], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand_ext(cx, mitem, item, push, true) } diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs index 1ed44c20bc6..0e1ecf3118a 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs @@ -34,6 +34,7 @@ pub(crate) fn expand_deriving_ord( }], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push) diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/partial_eq.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/partial_eq.rs index b1d950b8d89..990835fa277 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/partial_eq.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/partial_eq.rs @@ -30,6 +30,7 @@ pub(crate) fn expand_deriving_partial_eq( methods: Vec::new(), associated_types: Vec::new(), is_const: false, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; structural_trait_def.expand(cx, mitem, item, push); @@ -58,6 +59,7 @@ pub(crate) fn expand_deriving_partial_eq( methods, associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push) } diff --git a/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs b/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs index 0a076dd670b..f5d262ece36 100644 --- a/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs +++ b/compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs @@ -64,6 +64,7 @@ pub(crate) fn expand_deriving_partial_ord( methods: vec![partial_cmp_def], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push) } diff --git a/compiler/rustc_builtin_macros/src/deriving/debug.rs b/compiler/rustc_builtin_macros/src/deriving/debug.rs index 8ab21986e68..1d63ce7d5fd 100644 --- a/compiler/rustc_builtin_macros/src/deriving/debug.rs +++ b/compiler/rustc_builtin_macros/src/deriving/debug.rs @@ -41,6 +41,7 @@ pub(crate) fn expand_deriving_debug( }], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push) } diff --git a/compiler/rustc_builtin_macros/src/deriving/default.rs b/compiler/rustc_builtin_macros/src/deriving/default.rs index 1fe567e23f4..b4e2d27fed3 100644 --- a/compiler/rustc_builtin_macros/src/deriving/default.rs +++ b/compiler/rustc_builtin_macros/src/deriving/default.rs @@ -51,6 +51,7 @@ pub(crate) fn expand_deriving_default( }], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; trait_def.expand(cx, mitem, item, push) } diff --git a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs index c55a9e73e38..b24e5563761 100644 --- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs +++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs @@ -181,9 +181,11 @@ use std::{iter, vec}; pub(crate) use StaticFields::*; pub(crate) use SubstructureFields::*; use rustc_ast::ptr::P; +use rustc_ast::token::{IdentIsRaw, LitKind, Token, TokenKind}; +use rustc_ast::tokenstream::{DelimSpan, Spacing, TokenTree}; use rustc_ast::{ - self as ast, AnonConst, BindingMode, ByRef, EnumDef, Expr, GenericArg, GenericParamKind, - Generics, Mutability, PatKind, VariantData, + self as ast, AnonConst, AttrArgs, BindingMode, ByRef, DelimArgs, EnumDef, Expr, GenericArg, + GenericParamKind, Generics, Mutability, PatKind, Safety, VariantData, }; use rustc_attr_data_structures::{AttributeKind, ReprPacked}; use rustc_attr_parsing::AttributeParser; @@ -222,6 +224,8 @@ pub(crate) struct TraitDef<'a> { pub associated_types: Vec<(Ident, Ty)>, pub is_const: bool, + + pub is_staged_api_crate: bool, } pub(crate) struct MethodDef<'a> { @@ -784,8 +788,45 @@ impl<'a> TraitDef<'a> { // Create the type of `self`. let path = cx.path_all(self.span, false, vec![type_ident], self_params); let self_type = cx.ty_path(path); + let rustc_const_unstable = + cx.path_ident(self.span, Ident::new(sym::rustc_const_unstable, self.span)); + + let mut attrs = thin_vec![cx.attr_word(sym::automatically_derived, self.span),]; + + // Only add `rustc_const_unstable` attributes if `derive_const` is used within libcore/libstd, + // Other crates don't need stability attributes, so adding them is not useful, but libcore needs them + // on all const trait impls. + if self.is_const && self.is_staged_api_crate { + attrs.push( + cx.attr_nested( + rustc_ast::AttrItem { + unsafety: Safety::Default, + path: rustc_const_unstable, + args: AttrArgs::Delimited(DelimArgs { + dspan: DelimSpan::from_single(self.span), + delim: rustc_ast::token::Delimiter::Parenthesis, + tokens: [ + TokenKind::Ident(sym::feature, IdentIsRaw::No), + TokenKind::Eq, + TokenKind::lit(LitKind::Str, sym::derive_const, None), + TokenKind::Comma, + TokenKind::Ident(sym::issue, IdentIsRaw::No), + TokenKind::Eq, + TokenKind::lit(LitKind::Str, sym::derive_const_issue, None), + ] + .into_iter() + .map(|kind| { + TokenTree::Token(Token { kind, span: self.span }, Spacing::Alone) + }) + .collect(), + }), + tokens: None, + }, + self.span, + ), + ) + } - let attrs = thin_vec![cx.attr_word(sym::automatically_derived, self.span),]; let opt_trait_ref = Some(trait_ref); cx.item( diff --git a/compiler/rustc_builtin_macros/src/deriving/hash.rs b/compiler/rustc_builtin_macros/src/deriving/hash.rs index 6e6dbe19e4d..78534449895 100644 --- a/compiler/rustc_builtin_macros/src/deriving/hash.rs +++ b/compiler/rustc_builtin_macros/src/deriving/hash.rs @@ -41,6 +41,7 @@ pub(crate) fn expand_deriving_hash( }], associated_types: Vec::new(), is_const, + is_staged_api_crate: cx.ecfg.features.staged_api(), }; hash_trait_def.expand(cx, mitem, item, push); diff --git a/compiler/rustc_codegen_cranelift/src/driver/aot.rs b/compiler/rustc_codegen_cranelift/src/driver/aot.rs index 442151fe32d..8ec3599b63d 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/aot.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/aot.rs @@ -530,8 +530,8 @@ fn codegen_cgu_content( for (mono_item, item_data) in mono_items { match mono_item { MonoItem::Fn(instance) => { - if tcx.codegen_fn_attrs(instance.def_id()).flags.contains(CodegenFnAttrFlags::NAKED) - { + let flags = tcx.codegen_instance_attrs(instance.def).flags; + if flags.contains(CodegenFnAttrFlags::NAKED) { rustc_codegen_ssa::mir::naked_asm::codegen_naked_asm( &mut GlobalAsmContext { tcx, global_asm: &mut cx.global_asm }, instance, diff --git a/compiler/rustc_codegen_cranelift/src/driver/jit.rs b/compiler/rustc_codegen_cranelift/src/driver/jit.rs index b1f185b551c..b3497503bf0 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/jit.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/jit.rs @@ -127,7 +127,7 @@ fn codegen_and_compile_fn<'tcx>( module: &mut dyn Module, instance: Instance<'tcx>, ) { - if tcx.codegen_fn_attrs(instance.def_id()).flags.contains(CodegenFnAttrFlags::NAKED) { + if tcx.codegen_instance_attrs(instance.def).flags.contains(CodegenFnAttrFlags::NAKED) { tcx.dcx() .span_fatal(tcx.def_span(instance.def_id()), "Naked asm is not supported in JIT mode"); } diff --git a/compiler/rustc_codegen_cranelift/src/driver/mod.rs b/compiler/rustc_codegen_cranelift/src/driver/mod.rs index ffd47cace38..8f83c30b598 100644 --- a/compiler/rustc_codegen_cranelift/src/driver/mod.rs +++ b/compiler/rustc_codegen_cranelift/src/driver/mod.rs @@ -35,7 +35,7 @@ fn predefine_mono_items<'tcx>( is_compiler_builtins, ); let is_naked = tcx - .codegen_fn_attrs(instance.def_id()) + .codegen_instance_attrs(instance.def) .flags .contains(CodegenFnAttrFlags::NAKED); module diff --git a/compiler/rustc_codegen_gcc/src/attributes.rs b/compiler/rustc_codegen_gcc/src/attributes.rs index bf0927dc590..7a1ae6ca9c8 100644 --- a/compiler/rustc_codegen_gcc/src/attributes.rs +++ b/compiler/rustc_codegen_gcc/src/attributes.rs @@ -87,7 +87,7 @@ pub fn from_fn_attrs<'gcc, 'tcx>( #[cfg_attr(not(feature = "master"), allow(unused_variables))] func: Function<'gcc>, instance: ty::Instance<'tcx>, ) { - let codegen_fn_attrs = cx.tcx.codegen_fn_attrs(instance.def_id()); + let codegen_fn_attrs = cx.tcx.codegen_instance_attrs(instance.def); #[cfg(feature = "master")] { diff --git a/compiler/rustc_codegen_gcc/src/callee.rs b/compiler/rustc_codegen_gcc/src/callee.rs index 189ac7cd779..e7ca95af594 100644 --- a/compiler/rustc_codegen_gcc/src/callee.rs +++ b/compiler/rustc_codegen_gcc/src/callee.rs @@ -105,7 +105,7 @@ pub fn get_fn<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, instance: Instance<'tcx>) let is_hidden = if is_generic { // This is a monomorphization of a generic function. if !(cx.tcx.sess.opts.share_generics() - || tcx.codegen_fn_attrs(instance_def_id).inline + || tcx.codegen_instance_attrs(instance.def).inline == rustc_attr_data_structures::InlineAttr::Never) { // When not sharing generics, all instances are in the same diff --git a/compiler/rustc_codegen_gcc/src/mono_item.rs b/compiler/rustc_codegen_gcc/src/mono_item.rs index 539e3ac8507..51f35cbdee4 100644 --- a/compiler/rustc_codegen_gcc/src/mono_item.rs +++ b/compiler/rustc_codegen_gcc/src/mono_item.rs @@ -53,7 +53,7 @@ impl<'gcc, 'tcx> PreDefineCodegenMethods<'tcx> for CodegenCx<'gcc, 'tcx> { let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty()); self.linkage.set(base::linkage_to_gcc(linkage)); let decl = self.declare_fn(symbol_name, fn_abi); - //let attrs = self.tcx.codegen_fn_attrs(instance.def_id()); + //let attrs = self.tcx.codegen_instance_attrs(instance.def); attributes::from_fn_attrs(self, decl, instance); diff --git a/compiler/rustc_codegen_llvm/src/attributes.rs b/compiler/rustc_codegen_llvm/src/attributes.rs index 1ea5a062254..c32f11b27f3 100644 --- a/compiler/rustc_codegen_llvm/src/attributes.rs +++ b/compiler/rustc_codegen_llvm/src/attributes.rs @@ -344,7 +344,7 @@ pub(crate) fn llfn_attrs_from_instance<'ll, 'tcx>( llfn: &'ll Value, instance: ty::Instance<'tcx>, ) { - let codegen_fn_attrs = cx.tcx.codegen_fn_attrs(instance.def_id()); + let codegen_fn_attrs = cx.tcx.codegen_instance_attrs(instance.def); let mut to_add = SmallVec::<[_; 16]>::new(); diff --git a/compiler/rustc_codegen_llvm/src/callee.rs b/compiler/rustc_codegen_llvm/src/callee.rs index 6d68eca60af..5a3dd90ab24 100644 --- a/compiler/rustc_codegen_llvm/src/callee.rs +++ b/compiler/rustc_codegen_llvm/src/callee.rs @@ -102,7 +102,7 @@ pub(crate) fn get_fn<'ll, 'tcx>(cx: &CodegenCx<'ll, 'tcx>, instance: Instance<'t let is_hidden = if is_generic { // This is a monomorphization of a generic function. if !(cx.tcx.sess.opts.share_generics() - || tcx.codegen_fn_attrs(instance_def_id).inline + || tcx.codegen_instance_attrs(instance.def).inline == rustc_attr_data_structures::InlineAttr::Never) { // When not sharing generics, all instances are in the same diff --git a/compiler/rustc_codegen_llvm/src/mono_item.rs b/compiler/rustc_codegen_llvm/src/mono_item.rs index 8f70270f203..f9edaded60d 100644 --- a/compiler/rustc_codegen_llvm/src/mono_item.rs +++ b/compiler/rustc_codegen_llvm/src/mono_item.rs @@ -55,8 +55,8 @@ impl<'tcx> PreDefineCodegenMethods<'tcx> for CodegenCx<'_, 'tcx> { let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty()); let lldecl = self.declare_fn(symbol_name, fn_abi, Some(instance)); llvm::set_linkage(lldecl, base::linkage_to_llvm(linkage)); - let attrs = self.tcx.codegen_fn_attrs(instance.def_id()); - base::set_link_section(lldecl, attrs); + let attrs = self.tcx.codegen_instance_attrs(instance.def); + base::set_link_section(lldecl, &attrs); if (linkage == Linkage::LinkOnceODR || linkage == Linkage::WeakODR) && self.tcx.sess.target.supports_comdat() { diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index b46773396fc..5ce301c0eb9 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -2542,12 +2542,7 @@ fn add_order_independent_options( // sections to ensure we have all the data for PGO. let keep_metadata = crate_type == CrateType::Dylib || sess.opts.cg.profile_generate.enabled(); - if crate_type != CrateType::Executable || !sess.opts.unstable_opts.export_executable_symbols - { - cmd.gc_sections(keep_metadata); - } else { - cmd.no_gc_sections(); - } + cmd.gc_sections(keep_metadata); } cmd.set_output_kind(link_output_kind, crate_type, out_filename); diff --git a/compiler/rustc_codegen_ssa/src/back/linker.rs b/compiler/rustc_codegen_ssa/src/back/linker.rs index e0a3ad55be0..050797354b4 100644 --- a/compiler/rustc_codegen_ssa/src/back/linker.rs +++ b/compiler/rustc_codegen_ssa/src/back/linker.rs @@ -326,7 +326,6 @@ pub(crate) trait Linker { link_or_cc_args(self, &[path]); } fn gc_sections(&mut self, keep_metadata: bool); - fn no_gc_sections(&mut self); fn full_relro(&mut self); fn partial_relro(&mut self); fn no_relro(&mut self); @@ -688,12 +687,6 @@ impl<'a> Linker for GccLinker<'a> { } } - fn no_gc_sections(&mut self) { - if self.is_gnu || self.sess.target.is_like_wasm { - self.link_arg("--no-gc-sections"); - } - } - fn optimize(&mut self) { if !self.is_gnu && !self.sess.target.is_like_wasm { return; @@ -1010,10 +1003,6 @@ impl<'a> Linker for MsvcLinker<'a> { } } - fn no_gc_sections(&mut self) { - self.link_arg("/OPT:NOREF,NOICF"); - } - fn full_relro(&mut self) { // noop } @@ -1243,10 +1232,6 @@ impl<'a> Linker for EmLinker<'a> { // noop } - fn no_gc_sections(&mut self) { - // noop - } - fn optimize(&mut self) { // Emscripten performs own optimizations self.cc_arg(match self.sess.opts.optimize { @@ -1418,10 +1403,6 @@ impl<'a> Linker for WasmLd<'a> { self.link_arg("--gc-sections"); } - fn no_gc_sections(&mut self) { - self.link_arg("--no-gc-sections"); - } - fn optimize(&mut self) { // The -O flag is, as of late 2023, only used for merging of strings and debuginfo, and // only differentiates -O0 and -O1. It does not apply to LTO. @@ -1567,10 +1548,6 @@ impl<'a> Linker for L4Bender<'a> { } } - fn no_gc_sections(&mut self) { - self.link_arg("--no-gc-sections"); - } - fn optimize(&mut self) { // GNU-style linkers support optimization with -O. GNU ld doesn't // need a numeric argument, but other linkers do. @@ -1734,10 +1711,6 @@ impl<'a> Linker for AixLinker<'a> { self.link_arg("-bgc"); } - fn no_gc_sections(&mut self) { - self.link_arg("-bnogc"); - } - fn optimize(&mut self) {} fn pgo_gen(&mut self) { @@ -1982,8 +1955,6 @@ impl<'a> Linker for PtxLinker<'a> { fn gc_sections(&mut self, _keep_metadata: bool) {} - fn no_gc_sections(&mut self) {} - fn pgo_gen(&mut self) {} fn no_crt_objects(&mut self) {} @@ -2057,8 +2028,6 @@ impl<'a> Linker for LlbcLinker<'a> { fn gc_sections(&mut self, _keep_metadata: bool) {} - fn no_gc_sections(&mut self) {} - fn pgo_gen(&mut self) {} fn no_crt_objects(&mut self) {} @@ -2139,8 +2108,6 @@ impl<'a> Linker for BpfLinker<'a> { fn gc_sections(&mut self, _keep_metadata: bool) {} - fn no_gc_sections(&mut self) {} - fn pgo_gen(&mut self) {} fn no_crt_objects(&mut self) {} diff --git a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs index 025f5fb54f4..b8f635ab781 100644 --- a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs +++ b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs @@ -356,7 +356,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { LocalRef::Operand(operand) => { // Don't spill operands onto the stack in naked functions. // See: https://github.com/rust-lang/rust/issues/42779 - let attrs = bx.tcx().codegen_fn_attrs(self.instance.def_id()); + let attrs = bx.tcx().codegen_instance_attrs(self.instance.def); if attrs.flags.contains(CodegenFnAttrFlags::NAKED) { return; } diff --git a/compiler/rustc_codegen_ssa/src/mir/mod.rs b/compiler/rustc_codegen_ssa/src/mir/mod.rs index fa69820d5d2..50d0f910744 100644 --- a/compiler/rustc_codegen_ssa/src/mir/mod.rs +++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs @@ -390,9 +390,8 @@ fn arg_local_refs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( let mut num_untupled = None; - let codegen_fn_attrs = bx.tcx().codegen_fn_attrs(fx.instance.def_id()); - let naked = codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED); - if naked { + let codegen_fn_attrs = bx.tcx().codegen_instance_attrs(fx.instance.def); + if codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) { return vec![]; } diff --git a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs index beaf8950978..42e435cf0a3 100644 --- a/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs +++ b/compiler/rustc_codegen_ssa/src/mir/naked_asm.rs @@ -128,7 +128,7 @@ fn prefix_and_suffix<'tcx>( let is_arm = tcx.sess.target.arch == "arm"; let is_thumb = tcx.sess.unstable_target_features.contains(&sym::thumb_mode); - let attrs = tcx.codegen_fn_attrs(instance.def_id()); + let attrs = tcx.codegen_instance_attrs(instance.def); let link_section = attrs.link_section.map(|symbol| symbol.as_str().to_string()); // If no alignment is specified, an alignment of 4 bytes is used. diff --git a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs index e90463aacc8..2587e89417a 100644 --- a/compiler/rustc_codegen_ssa/src/mir/rvalue.rs +++ b/compiler/rustc_codegen_ssa/src/mir/rvalue.rs @@ -611,11 +611,19 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let fn_abi = bx.fn_abi_of_instance(instance, ty::List::empty()); let fn_ty = bx.fn_decl_backend_type(fn_abi); let fn_attrs = if bx.tcx().def_kind(instance.def_id()).has_codegen_attrs() { - Some(bx.tcx().codegen_fn_attrs(instance.def_id())) + Some(bx.tcx().codegen_instance_attrs(instance.def)) } else { None }; - bx.call(fn_ty, fn_attrs, Some(fn_abi), fn_ptr, &[], None, Some(instance)) + bx.call( + fn_ty, + fn_attrs.as_deref(), + Some(fn_abi), + fn_ptr, + &[], + None, + Some(instance), + ) } else { bx.get_static(def_id) }; diff --git a/compiler/rustc_codegen_ssa/src/mono_item.rs b/compiler/rustc_codegen_ssa/src/mono_item.rs index 7b4268abe4b..b9040c330fb 100644 --- a/compiler/rustc_codegen_ssa/src/mono_item.rs +++ b/compiler/rustc_codegen_ssa/src/mono_item.rs @@ -41,12 +41,8 @@ impl<'a, 'tcx: 'a> MonoItemExt<'a, 'tcx> for MonoItem<'tcx> { base::codegen_global_asm(cx, item_id); } MonoItem::Fn(instance) => { - if cx - .tcx() - .codegen_fn_attrs(instance.def_id()) - .flags - .contains(CodegenFnAttrFlags::NAKED) - { + let flags = cx.tcx().codegen_instance_attrs(instance.def).flags; + if flags.contains(CodegenFnAttrFlags::NAKED) { naked_asm::codegen_naked_asm::<Bx::CodegenCx>(cx, instance, item_data); } else { base::codegen_instance::<Bx>(cx, instance); @@ -75,7 +71,7 @@ impl<'a, 'tcx: 'a> MonoItemExt<'a, 'tcx> for MonoItem<'tcx> { cx.predefine_static(def_id, linkage, visibility, symbol_name); } MonoItem::Fn(instance) => { - let attrs = cx.tcx().codegen_fn_attrs(instance.def_id()); + let attrs = cx.tcx().codegen_instance_attrs(instance.def); if attrs.flags.contains(CodegenFnAttrFlags::NAKED) { // do not define this function; it will become a global assembly block diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index b2cbbc21430..47228de5213 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -936,7 +936,7 @@ impl<'tcx, M: Machine<'tcx>> InterpCx<'tcx, M> { if let Some(fn_val) = self.get_fn_alloc(id) { let align = match fn_val { FnVal::Instance(instance) => { - self.tcx.codegen_fn_attrs(instance.def_id()).alignment.unwrap_or(Align::ONE) + self.tcx.codegen_instance_attrs(instance.def).alignment.unwrap_or(Align::ONE) } // Machine-specific extra functions currently do not support alignment restrictions. FnVal::Other(_) => Align::ONE, diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 18490385455..f3ed6042105 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -1237,9 +1237,55 @@ pub fn handle_options(early_dcx: &EarlyDiagCtxt, args: &[String]) -> Option<geto return None; } + warn_on_confusing_output_filename_flag(early_dcx, &matches, args); + Some(matches) } +/// Warn if `-o` is used without a space between the flag name and the value +/// and the value is a high-value confusables, +/// e.g. `-optimize` instead of `-o optimize`, see issue #142812. +fn warn_on_confusing_output_filename_flag( + early_dcx: &EarlyDiagCtxt, + matches: &getopts::Matches, + args: &[String], +) { + fn eq_ignore_separators(s1: &str, s2: &str) -> bool { + let s1 = s1.replace('-', "_"); + let s2 = s2.replace('-', "_"); + s1 == s2 + } + + if let Some(name) = matches.opt_str("o") + && let Some(suspect) = args.iter().find(|arg| arg.starts_with("-o") && *arg != "-o") + { + let filename = suspect.strip_prefix("-").unwrap_or(suspect); + let optgroups = config::rustc_optgroups(); + let fake_args = ["optimize", "o0", "o1", "o2", "o3", "ofast", "og", "os", "oz"]; + + // Check if provided filename might be confusing in conjunction with `-o` flag, + // i.e. consider `-o{filename}` such as `-optimize` with `filename` being `ptimize`. + // There are high-value confusables, for example: + // - Long name of flags, e.g. `--out-dir` vs `-out-dir` + // - C compiler flag, e.g. `optimize`, `o0`, `o1`, `o2`, `o3`, `ofast`. + // - Codegen flags, e.g. `pt-level` of `-opt-level`. + if optgroups.iter().any(|option| eq_ignore_separators(option.long_name(), filename)) + || config::CG_OPTIONS.iter().any(|option| eq_ignore_separators(option.name(), filename)) + || fake_args.iter().any(|arg| eq_ignore_separators(arg, filename)) + { + early_dcx.early_warn( + "option `-o` has no space between flag name and value, which can be confusing", + ); + early_dcx.early_note(format!( + "output filename `-o {name}` is applied instead of a flag named `o{name}`" + )); + early_dcx.early_help(format!( + "insert a space between `-o` and `{name}` if this is intentional: `-o {name}`" + )); + } + } +} + fn parse_crate_attrs<'a>(sess: &'a Session) -> PResult<'a, ast::AttrVec> { let mut parser = unwrap_or_emit_fatal(match &sess.io.input { Input::File(file) => new_parser_from_file(&sess.psess, file, None), diff --git a/compiler/rustc_expand/src/build.rs b/compiler/rustc_expand/src/build.rs index 85683c1a03f..51d6e43ab67 100644 --- a/compiler/rustc_expand/src/build.rs +++ b/compiler/rustc_expand/src/build.rs @@ -3,8 +3,8 @@ use rustc_ast::token::Delimiter; use rustc_ast::tokenstream::TokenStream; use rustc_ast::util::literal; use rustc_ast::{ - self as ast, AnonConst, AttrVec, BlockCheckMode, Expr, LocalKind, MatchKind, PatKind, UnOp, - attr, token, tokenstream, + self as ast, AnonConst, AttrItem, AttrVec, BlockCheckMode, Expr, LocalKind, MatchKind, PatKind, + UnOp, attr, token, tokenstream, }; use rustc_span::source_map::Spanned; use rustc_span::{DUMMY_SP, Ident, Span, Symbol, kw, sym}; @@ -766,4 +766,10 @@ impl<'a> ExtCtxt<'a> { span, ) } + + // Builds an attribute fully manually. + pub fn attr_nested(&self, inner: AttrItem, span: Span) -> ast::Attribute { + let g = &self.sess.psess.attr_id_generator; + attr::mk_attr_from_item(g, inner, None, ast::AttrStyle::Outer, span) + } } diff --git a/compiler/rustc_hir_analysis/messages.ftl b/compiler/rustc_hir_analysis/messages.ftl index a20becbe7e8..e38ca9e80ce 100644 --- a/compiler/rustc_hir_analysis/messages.ftl +++ b/compiler/rustc_hir_analysis/messages.ftl @@ -158,7 +158,7 @@ hir_analysis_dispatch_from_dyn_zst = the trait `DispatchFromDyn` may only be imp hir_analysis_drop_impl_negative = negative `Drop` impls are not supported hir_analysis_drop_impl_on_wrong_item = - the `Drop` trait may only be implemented for local structs, enums, and unions + the `{$trait_}` trait may only be implemented for local structs, enums, and unions .label = must be a struct, enum, or union in the current crate hir_analysis_drop_impl_reservation = reservation `Drop` impls are not supported diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 8356a0af63c..27948f50a4a 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -37,6 +37,7 @@ pub(super) fn check_trait<'tcx>( let lang_items = tcx.lang_items(); let checker = Checker { tcx, trait_def_id, impl_def_id, impl_header }; checker.check(lang_items.drop_trait(), visit_implementation_of_drop)?; + checker.check(lang_items.async_drop_trait(), visit_implementation_of_drop)?; checker.check(lang_items.copy_trait(), visit_implementation_of_copy)?; checker.check(lang_items.const_param_ty_trait(), |checker| { visit_implementation_of_const_param_ty(checker, LangItem::ConstParamTy) @@ -83,7 +84,10 @@ fn visit_implementation_of_drop(checker: &Checker<'_>) -> Result<(), ErrorGuaran let impl_ = tcx.hir_expect_item(impl_did).expect_impl(); - Err(tcx.dcx().emit_err(errors::DropImplOnWrongItem { span: impl_.self_ty.span })) + Err(tcx.dcx().emit_err(errors::DropImplOnWrongItem { + span: impl_.self_ty.span, + trait_: tcx.item_name(checker.impl_header.trait_ref.skip_binder().def_id), + })) } fn visit_implementation_of_copy(checker: &Checker<'_>) -> Result<(), ErrorGuaranteed> { diff --git a/compiler/rustc_hir_analysis/src/errors.rs b/compiler/rustc_hir_analysis/src/errors.rs index eb65050c17c..fbd21f8b100 100644 --- a/compiler/rustc_hir_analysis/src/errors.rs +++ b/compiler/rustc_hir_analysis/src/errors.rs @@ -205,6 +205,7 @@ pub(crate) struct DropImplOnWrongItem { #[primary_span] #[label] pub span: Span, + pub trait_: Symbol, } #[derive(Diagnostic)] diff --git a/compiler/rustc_hir_analysis/src/outlives/utils.rs b/compiler/rustc_hir_analysis/src/outlives/utils.rs index 301f5de9424..99a633e2b7d 100644 --- a/compiler/rustc_hir_analysis/src/outlives/utils.rs +++ b/compiler/rustc_hir_analysis/src/outlives/utils.rs @@ -7,8 +7,7 @@ use smallvec::smallvec; /// Tracks the `T: 'a` or `'a: 'a` predicates that we have inferred /// must be added to the struct header. -pub(crate) type RequiredPredicates<'tcx> = - FxIndexMap<ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>, Span>; +pub(crate) type RequiredPredicates<'tcx> = FxIndexMap<ty::ArgOutlivesPredicate<'tcx>, Span>; /// Given a requirement `T: 'a` or `'b: 'a`, deduce the /// outlives_component and add it to `required_predicates` diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs index 459c0498d50..a413f805873 100644 --- a/compiler/rustc_hir_typeck/src/closure.rs +++ b/compiler/rustc_hir_typeck/src/closure.rs @@ -161,16 +161,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Resume type defaults to `()` if the coroutine has no argument. let resume_ty = liberated_sig.inputs().get(0).copied().unwrap_or(tcx.types.unit); - // In the new solver, we can just instantiate this eagerly - // with the witness. This will ensure that goals that don't need - // to stall on interior types will get processed eagerly. - let interior = if self.next_trait_solver() { - Ty::new_coroutine_witness(tcx, expr_def_id.to_def_id(), parent_args) - } else { - self.next_ty_var(expr_span) - }; - - self.deferred_coroutine_interiors.borrow_mut().push((expr_def_id, interior)); + let interior = Ty::new_coroutine_witness(tcx, expr_def_id.to_def_id(), parent_args); // Coroutines that come from coroutine closures have not yet determined // their kind ty, so make a fresh infer var which will be constrained diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index af1fc045ac8..0b3d50ff219 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -625,50 +625,23 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // trigger query cycle ICEs, as doing so requires MIR. self.select_obligations_where_possible(|_| {}); - let coroutines = std::mem::take(&mut *self.deferred_coroutine_interiors.borrow_mut()); - debug!(?coroutines); - - let mut obligations = vec![]; - - if !self.next_trait_solver() { - for &(coroutine_def_id, interior) in coroutines.iter() { - debug!(?coroutine_def_id); - - // Create the `CoroutineWitness` type that we will unify with `interior`. - let args = ty::GenericArgs::identity_for_item( - self.tcx, - self.tcx.typeck_root_def_id(coroutine_def_id.to_def_id()), - ); - let witness = - Ty::new_coroutine_witness(self.tcx, coroutine_def_id.to_def_id(), args); - - // Unify `interior` with `witness` and collect all the resulting obligations. - let span = self.tcx.hir_body_owned_by(coroutine_def_id).value.span; - let ty::Infer(ty::InferTy::TyVar(_)) = interior.kind() else { - span_bug!(span, "coroutine interior witness not infer: {:?}", interior.kind()) - }; - let ok = self - .at(&self.misc(span), self.param_env) - // Will never define opaque types, as all we do is instantiate a type variable. - .eq(DefineOpaqueTypes::Yes, interior, witness) - .expect("Failed to unify coroutine interior type"); - - obligations.extend(ok.obligations); - } - } + let ty::TypingMode::Analysis { defining_opaque_types_and_generators } = self.typing_mode() + else { + bug!(); + }; - if !coroutines.is_empty() { - obligations.extend( + if defining_opaque_types_and_generators + .iter() + .any(|def_id| self.tcx.is_coroutine(def_id.to_def_id())) + { + self.typeck_results.borrow_mut().coroutine_stalled_predicates.extend( self.fulfillment_cx .borrow_mut() - .drain_stalled_obligations_for_coroutines(&self.infcx), + .drain_stalled_obligations_for_coroutines(&self.infcx) + .into_iter() + .map(|o| (o.predicate, o.cause)), ); } - - self.typeck_results - .borrow_mut() - .coroutine_stalled_predicates - .extend(obligations.into_iter().map(|o| (o.predicate, o.cause))); } #[instrument(skip(self), level = "debug")] diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 3261327a9fd..1f3969bd93c 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1650,7 +1650,8 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { } } - let sources = candidates.iter().map(|p| self.candidate_source(p, self_ty)).collect(); + let sources = + applicable_candidates.iter().map(|p| self.candidate_source(p.0, self_ty)).collect(); return Some(Err(MethodError::Ambiguity(sources))); } diff --git a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs index 26be5fc6d19..9f4ab8ca5d4 100644 --- a/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs +++ b/compiler/rustc_hir_typeck/src/typeck_root_ctxt.rs @@ -63,8 +63,6 @@ pub(crate) struct TypeckRootCtxt<'tcx> { pub(super) deferred_asm_checks: RefCell<Vec<(&'tcx hir::InlineAsm<'tcx>, HirId)>>, - pub(super) deferred_coroutine_interiors: RefCell<Vec<(LocalDefId, Ty<'tcx>)>>, - pub(super) deferred_repeat_expr_checks: RefCell<Vec<(&'tcx hir::Expr<'tcx>, Ty<'tcx>, ty::Const<'tcx>)>>, @@ -103,7 +101,6 @@ impl<'tcx> TypeckRootCtxt<'tcx> { deferred_cast_checks: RefCell::new(Vec::new()), deferred_transmute_checks: RefCell::new(Vec::new()), deferred_asm_checks: RefCell::new(Vec::new()), - deferred_coroutine_interiors: RefCell::new(Vec::new()), deferred_repeat_expr_checks: RefCell::new(Vec::new()), diverging_type_vars: RefCell::new(Default::default()), infer_var_info: RefCell::new(Default::default()), diff --git a/compiler/rustc_infer/src/infer/canonical/query_response.rs b/compiler/rustc_infer/src/infer/canonical/query_response.rs index d5d49e3188a..6be53c948c8 100644 --- a/compiler/rustc_infer/src/infer/canonical/query_response.rs +++ b/compiler/rustc_infer/src/infer/canonical/query_response.rs @@ -116,9 +116,15 @@ impl<'tcx> InferCtxt<'tcx> { } let region_obligations = self.take_registered_region_obligations(); + let region_assumptions = self.take_registered_region_assumptions(); debug!(?region_obligations); let region_constraints = self.with_region_constraints(|region_constraints| { - make_query_region_constraints(tcx, region_obligations, region_constraints) + make_query_region_constraints( + tcx, + region_obligations, + region_constraints, + region_assumptions, + ) }); debug!(?region_constraints); @@ -169,6 +175,11 @@ impl<'tcx> InferCtxt<'tcx> { self.register_outlives_constraint(predicate, cause); } + for assumption in &query_response.value.region_constraints.assumptions { + let assumption = instantiate_value(self.tcx, &result_args, *assumption); + self.register_region_assumption(assumption); + } + let user_result: R = query_response.instantiate_projected(self.tcx, &result_args, |q_r| q_r.value.clone()); @@ -292,6 +303,18 @@ impl<'tcx> InferCtxt<'tcx> { }), ); + // FIXME(higher_ranked_auto): Optimize this to instantiate all assumptions + // at once, rather than calling `instantiate_value` repeatedly which may + // create more universes. + output_query_region_constraints.assumptions.extend( + query_response + .value + .region_constraints + .assumptions + .iter() + .map(|&r_c| instantiate_value(self.tcx, &result_args, r_c)), + ); + let user_result: R = query_response.instantiate_projected(self.tcx, &result_args, |q_r| q_r.value.clone()); @@ -567,6 +590,7 @@ pub fn make_query_region_constraints<'tcx>( tcx: TyCtxt<'tcx>, outlives_obligations: Vec<TypeOutlivesConstraint<'tcx>>, region_constraints: &RegionConstraintData<'tcx>, + assumptions: Vec<ty::ArgOutlivesPredicate<'tcx>>, ) -> QueryRegionConstraints<'tcx> { let RegionConstraintData { constraints, verifys } = region_constraints; @@ -602,5 +626,5 @@ pub fn make_query_region_constraints<'tcx>( })) .collect(); - QueryRegionConstraints { outlives } + QueryRegionConstraints { outlives, assumptions } } diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index cc3ad921489..2d269e320b6 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -149,6 +149,13 @@ pub struct InferCtxtInner<'tcx> { /// that all type inference variables have been bound and so forth. region_obligations: Vec<TypeOutlivesConstraint<'tcx>>, + /// The outlives bounds that we assume must hold about placeholders that + /// come from instantiating the binder of coroutine-witnesses. These bounds + /// are deduced from the well-formedness of the witness's types, and are + /// necessary because of the way we anonymize the regions in a coroutine, + /// which may cause types to no longer be considered well-formed. + region_assumptions: Vec<ty::ArgOutlivesPredicate<'tcx>>, + /// Caches for opaque type inference. opaque_type_storage: OpaqueTypeStorage<'tcx>, } @@ -164,7 +171,8 @@ impl<'tcx> InferCtxtInner<'tcx> { int_unification_storage: Default::default(), float_unification_storage: Default::default(), region_constraint_storage: Some(Default::default()), - region_obligations: vec![], + region_obligations: Default::default(), + region_assumptions: Default::default(), opaque_type_storage: Default::default(), } } @@ -175,6 +183,11 @@ impl<'tcx> InferCtxtInner<'tcx> { } #[inline] + pub fn region_assumptions(&self) -> &[ty::ArgOutlivesPredicate<'tcx>] { + &self.region_assumptions + } + + #[inline] pub fn projection_cache(&mut self) -> traits::ProjectionCache<'_, 'tcx> { self.projection_cache.with_log(&mut self.undo_log) } diff --git a/compiler/rustc_infer/src/infer/outlives/env.rs b/compiler/rustc_infer/src/infer/outlives/env.rs index cb5a33c5c97..47b738a4079 100644 --- a/compiler/rustc_infer/src/infer/outlives/env.rs +++ b/compiler/rustc_infer/src/infer/outlives/env.rs @@ -1,4 +1,4 @@ -use rustc_data_structures::fx::FxIndexSet; +use rustc_data_structures::fx::{FxHashSet, FxIndexSet}; use rustc_data_structures::transitive_relation::TransitiveRelationBuilder; use rustc_middle::{bug, ty}; use tracing::debug; @@ -39,6 +39,9 @@ pub struct OutlivesEnvironment<'tcx> { /// optimized in the future, though. region_bound_pairs: RegionBoundPairs<'tcx>, known_type_outlives: Vec<ty::PolyTypeOutlivesPredicate<'tcx>>, + /// Assumptions that come from the well-formedness of coroutines that we prove + /// auto trait bounds for during the type checking of this body. + higher_ranked_assumptions: FxHashSet<ty::ArgOutlivesPredicate<'tcx>>, } /// "Region-bound pairs" tracks outlives relations that are known to @@ -52,6 +55,7 @@ impl<'tcx> OutlivesEnvironment<'tcx> { param_env: ty::ParamEnv<'tcx>, known_type_outlives: Vec<ty::PolyTypeOutlivesPredicate<'tcx>>, extra_bounds: impl IntoIterator<Item = OutlivesBound<'tcx>>, + higher_ranked_assumptions: FxHashSet<ty::ArgOutlivesPredicate<'tcx>>, ) -> Self { let mut region_relation = TransitiveRelationBuilder::default(); let mut region_bound_pairs = RegionBoundPairs::default(); @@ -88,6 +92,7 @@ impl<'tcx> OutlivesEnvironment<'tcx> { known_type_outlives, free_region_map: FreeRegionMap { relation: region_relation.freeze() }, region_bound_pairs, + higher_ranked_assumptions, } } @@ -102,4 +107,8 @@ impl<'tcx> OutlivesEnvironment<'tcx> { pub fn known_type_outlives(&self) -> &[ty::PolyTypeOutlivesPredicate<'tcx>] { &self.known_type_outlives } + + pub fn higher_ranked_assumptions(&self) -> &FxHashSet<ty::ArgOutlivesPredicate<'tcx>> { + &self.higher_ranked_assumptions + } } diff --git a/compiler/rustc_infer/src/infer/outlives/mod.rs b/compiler/rustc_infer/src/infer/outlives/mod.rs index 2a4544c1140..19911bfbd48 100644 --- a/compiler/rustc_infer/src/infer/outlives/mod.rs +++ b/compiler/rustc_infer/src/infer/outlives/mod.rs @@ -10,6 +10,7 @@ use super::region_constraints::{RegionConstraintData, UndoLog}; use super::{InferCtxt, RegionResolutionError, SubregionOrigin}; use crate::infer::free_regions::RegionRelations; use crate::infer::lexical_region_resolve; +use crate::infer::region_constraints::Constraint; pub mod env; pub mod for_liveness; @@ -54,18 +55,29 @@ impl<'tcx> InferCtxt<'tcx> { } }; - let storage = { + let mut storage = { let mut inner = self.inner.borrow_mut(); let inner = &mut *inner; assert!( self.tainted_by_errors().is_some() || inner.region_obligations.is_empty(), "region_obligations not empty: {:#?}", - inner.region_obligations + inner.region_obligations, ); assert!(!UndoLogs::<UndoLog<'_>>::in_snapshot(&inner.undo_log)); inner.region_constraint_storage.take().expect("regions already resolved") }; + // Filter out any region-region outlives assumptions that are implied by + // coroutine well-formedness. + if self.tcx.sess.opts.unstable_opts.higher_ranked_assumptions { + storage.data.constraints.retain(|(constraint, _)| match *constraint { + Constraint::RegSubReg(r1, r2) => !outlives_env + .higher_ranked_assumptions() + .contains(&ty::OutlivesPredicate(r2.into(), r1)), + _ => true, + }); + } + let region_rels = &RegionRelations::new(self.tcx, outlives_env.free_region_map()); let (lexical_region_resolutions, errors) = @@ -93,6 +105,11 @@ impl<'tcx> InferCtxt<'tcx> { "region_obligations not empty: {:#?}", self.inner.borrow().region_obligations ); + assert!( + self.inner.borrow().region_assumptions.is_empty(), + "region_assumptions not empty: {:#?}", + self.inner.borrow().region_assumptions + ); self.inner.borrow_mut().unwrap_region_constraints().take_and_reset_data() } diff --git a/compiler/rustc_infer/src/infer/outlives/obligations.rs b/compiler/rustc_infer/src/infer/outlives/obligations.rs index 43504bd77c1..a8520c0e71d 100644 --- a/compiler/rustc_infer/src/infer/outlives/obligations.rs +++ b/compiler/rustc_infer/src/infer/outlives/obligations.rs @@ -84,7 +84,7 @@ use crate::traits::{ObligationCause, ObligationCauseCode}; impl<'tcx> InferCtxt<'tcx> { pub fn register_outlives_constraint( &self, - ty::OutlivesPredicate(arg, r2): ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>, + ty::OutlivesPredicate(arg, r2): ty::ArgOutlivesPredicate<'tcx>, cause: &ObligationCause<'tcx>, ) { match arg.kind() { @@ -170,6 +170,16 @@ impl<'tcx> InferCtxt<'tcx> { std::mem::take(&mut self.inner.borrow_mut().region_obligations) } + pub fn register_region_assumption(&self, assumption: ty::ArgOutlivesPredicate<'tcx>) { + let mut inner = self.inner.borrow_mut(); + inner.undo_log.push(UndoLog::PushRegionAssumption); + inner.region_assumptions.push(assumption); + } + + pub fn take_registered_region_assumptions(&self) -> Vec<ty::ArgOutlivesPredicate<'tcx>> { + std::mem::take(&mut self.inner.borrow_mut().region_assumptions) + } + /// Process the region obligations that must be proven (during /// `regionck`) for the given `body_id`, given information about /// the region bounds in scope and so forth. @@ -220,6 +230,14 @@ impl<'tcx> InferCtxt<'tcx> { let (sup_type, sub_region) = (sup_type, sub_region).fold_with(&mut OpportunisticRegionResolver::new(self)); + if self.tcx.sess.opts.unstable_opts.higher_ranked_assumptions + && outlives_env + .higher_ranked_assumptions() + .contains(&ty::OutlivesPredicate(sup_type.into(), sub_region)) + { + continue; + } + debug!(?sup_type, ?sub_region, ?origin); let outlives = &mut TypeOutlives::new( diff --git a/compiler/rustc_infer/src/infer/snapshot/undo_log.rs b/compiler/rustc_infer/src/infer/snapshot/undo_log.rs index 34e649afedc..40e4c329446 100644 --- a/compiler/rustc_infer/src/infer/snapshot/undo_log.rs +++ b/compiler/rustc_infer/src/infer/snapshot/undo_log.rs @@ -28,6 +28,7 @@ pub(crate) enum UndoLog<'tcx> { RegionUnificationTable(sv::UndoLog<ut::Delegate<RegionVidKey<'tcx>>>), ProjectionCache(traits::UndoLog<'tcx>), PushTypeOutlivesConstraint, + PushRegionAssumption, } macro_rules! impl_from { @@ -77,6 +78,9 @@ impl<'tcx> Rollback<UndoLog<'tcx>> for InferCtxtInner<'tcx> { let popped = self.region_obligations.pop(); assert_matches!(popped, Some(_), "pushed region constraint but could not pop it"); } + UndoLog::PushRegionAssumption => { + self.region_assumptions.pop(); + } } } } diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs index 8244f0bed4c..73e68834232 100644 --- a/compiler/rustc_lint/src/builtin.rs +++ b/compiler/rustc_lint/src/builtin.rs @@ -1585,6 +1585,8 @@ impl EarlyLintPass for DoubleNegations { if let ExprKind::Unary(UnOp::Neg, ref inner) = expr.kind && let ExprKind::Unary(UnOp::Neg, ref inner2) = inner.kind && !matches!(inner2.kind, ExprKind::Unary(UnOp::Neg, _)) + // Don't lint if this jumps macro expansion boundary (Issue #143980) + && expr.span.eq_ctxt(inner.span) { cx.emit_span_lint( DOUBLE_NEGATIONS, diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs index 2bbc48b633c..4fe4c2dadee 100644 --- a/compiler/rustc_middle/src/infer/canonical.rs +++ b/compiler/rustc_middle/src/infer/canonical.rs @@ -81,13 +81,18 @@ pub struct QueryResponse<'tcx, R> { #[derive(HashStable, TypeFoldable, TypeVisitable)] pub struct QueryRegionConstraints<'tcx> { pub outlives: Vec<QueryOutlivesConstraint<'tcx>>, + pub assumptions: Vec<ty::ArgOutlivesPredicate<'tcx>>, } impl QueryRegionConstraints<'_> { - /// Represents an empty (trivially true) set of region - /// constraints. + /// Represents an empty (trivially true) set of region constraints. + /// + /// FIXME(higher_ranked_auto): This could still just be true if there are only assumptions? + /// Because I don't expect for us to get cases where an assumption from one query would + /// discharge a requirement from another query, which is a potential problem if we did throw + /// away these assumptions because there were no constraints. pub fn is_empty(&self) -> bool { - self.outlives.is_empty() + self.outlives.is_empty() && self.assumptions.is_empty() } } @@ -130,8 +135,7 @@ impl<'tcx, R> QueryResponse<'tcx, R> { } } -pub type QueryOutlivesConstraint<'tcx> = - (ty::OutlivesPredicate<'tcx, GenericArg<'tcx>>, ConstraintCategory<'tcx>); +pub type QueryOutlivesConstraint<'tcx> = (ty::ArgOutlivesPredicate<'tcx>, ConstraintCategory<'tcx>); #[derive(Default)] pub struct CanonicalParamEnvCache<'tcx> { diff --git a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs index 2f16d385efb..6eae3b51e29 100644 --- a/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs +++ b/compiler/rustc_middle/src/middle/codegen_fn_attrs.rs @@ -1,3 +1,5 @@ +use std::borrow::Cow; + use rustc_abi::Align; use rustc_ast::expand::autodiff_attrs::AutoDiffAttrs; use rustc_attr_data_structures::{InlineAttr, InstructionSetAttr, OptimizeAttr}; @@ -6,6 +8,26 @@ use rustc_span::Symbol; use rustc_target::spec::SanitizerSet; use crate::mir::mono::Linkage; +use crate::ty::{InstanceKind, TyCtxt}; + +impl<'tcx> TyCtxt<'tcx> { + pub fn codegen_instance_attrs( + self, + instance_kind: InstanceKind<'_>, + ) -> Cow<'tcx, CodegenFnAttrs> { + let mut attrs = Cow::Borrowed(self.codegen_fn_attrs(instance_kind.def_id())); + + // Drop the `#[naked]` attribute on non-item `InstanceKind`s, like the shims that + // are generated for indirect function calls. + if !matches!(instance_kind, InstanceKind::Item(_)) { + if attrs.flags.contains(CodegenFnAttrFlags::NAKED) { + attrs.to_mut().flags.remove(CodegenFnAttrFlags::NAKED); + } + } + + attrs + } +} #[derive(Clone, TyEncodable, TyDecodable, HashStable, Debug)] pub struct CodegenFnAttrs { diff --git a/compiler/rustc_middle/src/mir/mono.rs b/compiler/rustc_middle/src/mir/mono.rs index 47ba850d50d..2d7ddd105bd 100644 --- a/compiler/rustc_middle/src/mir/mono.rs +++ b/compiler/rustc_middle/src/mir/mono.rs @@ -152,7 +152,7 @@ impl<'tcx> MonoItem<'tcx> { // If the function is #[naked] or contains any other attribute that requires exactly-once // instantiation: // We emit an unused_attributes lint for this case, which should be kept in sync if possible. - let codegen_fn_attrs = tcx.codegen_fn_attrs(instance.def_id()); + let codegen_fn_attrs = tcx.codegen_instance_attrs(instance.def); if codegen_fn_attrs.contains_extern_indicator() || codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED) { @@ -219,7 +219,7 @@ impl<'tcx> MonoItem<'tcx> { // functions the same as those that unconditionally get LocalCopy codegen. It's only when // we get here that we can at least not codegen a #[inline(never)] generic function in all // of our CGUs. - if let InlineAttr::Never = tcx.codegen_fn_attrs(instance.def_id()).inline + if let InlineAttr::Never = codegen_fn_attrs.inline && self.is_generic_fn() { return InstantiationMode::GloballyShared { may_conflict: true }; @@ -234,14 +234,13 @@ impl<'tcx> MonoItem<'tcx> { } pub fn explicit_linkage(&self, tcx: TyCtxt<'tcx>) -> Option<Linkage> { - let def_id = match *self { - MonoItem::Fn(ref instance) => instance.def_id(), - MonoItem::Static(def_id) => def_id, + let instance_kind = match *self { + MonoItem::Fn(ref instance) => instance.def, + MonoItem::Static(def_id) => InstanceKind::Item(def_id), MonoItem::GlobalAsm(..) => return None, }; - let codegen_fn_attrs = tcx.codegen_fn_attrs(def_id); - codegen_fn_attrs.linkage + tcx.codegen_instance_attrs(instance_kind).linkage } /// Returns `true` if this instance is instantiable - whether it has no unsatisfied diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index 935cc889574..d5c2b6de4ae 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -988,7 +988,7 @@ rustc_queries! { } query coroutine_hidden_types( - def_id: DefId + def_id: DefId, ) -> ty::EarlyBinder<'tcx, ty::Binder<'tcx, ty::CoroutineWitnessTypes<TyCtxt<'tcx>>>> { desc { "looking up the hidden types stored across await points in a coroutine" } } @@ -1505,6 +1505,15 @@ rustc_queries! { separate_provide_extern } + /// Returns the `CodegenFnAttrs` for the item at `def_id`. + /// + /// If possible, use `tcx.codegen_instance_attrs` instead. That function takes the + /// instance kind into account. + /// + /// For example, the `#[naked]` attribute should be applied for `InstanceKind::Item`, + /// but should not be applied if the instance kind is `InstanceKind::ReifyShim`. + /// Using this query would include the attribute regardless of the actual instance + /// kind at the call site. query codegen_fn_attrs(def_id: DefId) -> &'tcx CodegenFnAttrs { desc { |tcx| "computing codegen attributes of `{}`", tcx.def_path_str(def_id) } arena_cache diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 915b062417f..81c13e55dd8 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -163,6 +163,8 @@ impl<'tcx> Interner for TyCtxt<'tcx> { type BoundRegion = ty::BoundRegion; type PlaceholderRegion = ty::PlaceholderRegion; + type RegionAssumptions = &'tcx ty::List<ty::ArgOutlivesPredicate<'tcx>>; + type ParamEnv = ty::ParamEnv<'tcx>; type Predicate = Predicate<'tcx>; @@ -714,17 +716,13 @@ impl<'tcx> Interner for TyCtxt<'tcx> { self, defining_anchor: Self::LocalDefId, ) -> Self::LocalDefIds { - if self.next_trait_solver_globally() { - let coroutines_defined_by = self - .nested_bodies_within(defining_anchor) - .iter() - .filter(|def_id| self.is_coroutine(def_id.to_def_id())); - self.mk_local_def_ids_from_iter( - self.opaque_types_defined_by(defining_anchor).iter().chain(coroutines_defined_by), - ) - } else { - self.opaque_types_defined_by(defining_anchor) - } + let coroutines_defined_by = self + .nested_bodies_within(defining_anchor) + .iter() + .filter(|def_id| self.is_coroutine(def_id.to_def_id())); + self.mk_local_def_ids_from_iter( + self.opaque_types_defined_by(defining_anchor).iter().chain(coroutines_defined_by), + ) } } @@ -882,6 +880,7 @@ pub struct CtxtInterners<'tcx> { offset_of: InternedSet<'tcx, List<(VariantIdx, FieldIdx)>>, valtree: InternedSet<'tcx, ty::ValTreeKind<'tcx>>, patterns: InternedSet<'tcx, List<ty::Pattern<'tcx>>>, + outlives: InternedSet<'tcx, List<ty::ArgOutlivesPredicate<'tcx>>>, } impl<'tcx> CtxtInterners<'tcx> { @@ -919,6 +918,7 @@ impl<'tcx> CtxtInterners<'tcx> { offset_of: InternedSet::with_capacity(N), valtree: InternedSet::with_capacity(N), patterns: InternedSet::with_capacity(N), + outlives: InternedSet::with_capacity(N), } } @@ -2700,6 +2700,7 @@ slice_interners!( captures: intern_captures(&'tcx ty::CapturedPlace<'tcx>), offset_of: pub mk_offset_of((VariantIdx, FieldIdx)), patterns: pub mk_patterns(Pattern<'tcx>), + outlives: pub mk_outlives(ty::ArgOutlivesPredicate<'tcx>), ); impl<'tcx> TyCtxt<'tcx> { @@ -3115,6 +3116,17 @@ impl<'tcx> TyCtxt<'tcx> { T::collect_and_apply(iter, |xs| self.mk_bound_variable_kinds(xs)) } + pub fn mk_outlives_from_iter<I, T>(self, iter: I) -> T::Output + where + I: Iterator<Item = T>, + T: CollectAndApply< + ty::ArgOutlivesPredicate<'tcx>, + &'tcx ty::List<ty::ArgOutlivesPredicate<'tcx>>, + >, + { + T::collect_and_apply(iter, |xs| self.mk_outlives(xs)) + } + /// Emit a lint at `span` from a lint struct (some type that implements `LintDiagnostic`, /// typically generated by `#[derive(LintDiagnostic)]`). #[track_caller] diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index 6e8f1e8fdd5..a7cde2ad485 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -88,7 +88,7 @@ pub use self::opaque_types::OpaqueTypeKey; pub use self::parameterized::ParameterizedOverTcx; pub use self::pattern::{Pattern, PatternKind}; pub use self::predicate::{ - AliasTerm, Clause, ClauseKind, CoercePredicate, ExistentialPredicate, + AliasTerm, ArgOutlivesPredicate, Clause, ClauseKind, CoercePredicate, ExistentialPredicate, ExistentialPredicateStableCmpExt, ExistentialProjection, ExistentialTraitRef, HostEffectPredicate, NormalizesTo, OutlivesPredicate, PolyCoercePredicate, PolyExistentialPredicate, PolyExistentialProjection, PolyExistentialTraitRef, diff --git a/compiler/rustc_middle/src/ty/predicate.rs b/compiler/rustc_middle/src/ty/predicate.rs index ec2224877a8..46f254e9d30 100644 --- a/compiler/rustc_middle/src/ty/predicate.rs +++ b/compiler/rustc_middle/src/ty/predicate.rs @@ -26,6 +26,7 @@ pub type SubtypePredicate<'tcx> = ir::SubtypePredicate<TyCtxt<'tcx>>; pub type OutlivesPredicate<'tcx, T> = ir::OutlivesPredicate<TyCtxt<'tcx>, T>; pub type RegionOutlivesPredicate<'tcx> = OutlivesPredicate<'tcx, ty::Region<'tcx>>; pub type TypeOutlivesPredicate<'tcx> = OutlivesPredicate<'tcx, Ty<'tcx>>; +pub type ArgOutlivesPredicate<'tcx> = OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>; pub type PolyTraitPredicate<'tcx> = ty::Binder<'tcx, TraitPredicate<'tcx>>; pub type PolyRegionOutlivesPredicate<'tcx> = ty::Binder<'tcx, RegionOutlivesPredicate<'tcx>>; pub type PolyTypeOutlivesPredicate<'tcx> = ty::Binder<'tcx, TypeOutlivesPredicate<'tcx>>; diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index af9c98bd87d..ab31d943408 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -802,4 +802,5 @@ list_fold! { &'tcx ty::List<ty::PolyExistentialPredicate<'tcx>> : mk_poly_existential_predicates, &'tcx ty::List<PlaceElem<'tcx>> : mk_place_elems, &'tcx ty::List<ty::Pattern<'tcx>> : mk_patterns, + &'tcx ty::List<ty::ArgOutlivesPredicate<'tcx>> : mk_outlives, } diff --git a/compiler/rustc_mir_transform/src/coverage/query.rs b/compiler/rustc_mir_transform/src/coverage/query.rs index ccf76dc7108..986c001de5e 100644 --- a/compiler/rustc_mir_transform/src/coverage/query.rs +++ b/compiler/rustc_mir_transform/src/coverage/query.rs @@ -1,3 +1,4 @@ +use rustc_attr_data_structures::{AttributeKind, CoverageStatus, find_attr}; use rustc_index::bit_set::DenseBitSet; use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags; use rustc_middle::mir::coverage::{BasicCoverageBlock, CoverageIdsInfo, CoverageKind, MappingKind}; @@ -5,7 +6,6 @@ use rustc_middle::mir::{Body, Statement, StatementKind}; use rustc_middle::ty::{self, TyCtxt}; use rustc_middle::util::Providers; use rustc_span::def_id::LocalDefId; -use rustc_span::sym; use tracing::trace; use crate::coverage::counters::node_flow::make_node_counters; @@ -58,26 +58,20 @@ fn is_eligible_for_coverage(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { /// Query implementation for `coverage_attr_on`. fn coverage_attr_on(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { // Check for annotations directly on this def. - if let Some(attr) = tcx.get_attr(def_id, sym::coverage) { - match attr.meta_item_list().as_deref() { - Some([item]) if item.has_name(sym::off) => return false, - Some([item]) if item.has_name(sym::on) => return true, - Some(_) | None => { - // Other possibilities should have been rejected by `rustc_parse::validate_attr`. - // Use `span_delayed_bug` to avoid an ICE in failing builds (#127880). - tcx.dcx().span_delayed_bug(attr.span(), "unexpected value of coverage attribute"); - } + if let Some(coverage_status) = + find_attr!(tcx.get_all_attrs(def_id), AttributeKind::Coverage(_, status) => status) + { + *coverage_status == CoverageStatus::On + } else { + match tcx.opt_local_parent(def_id) { + // Check the parent def (and so on recursively) until we find an + // enclosing attribute or reach the crate root. + Some(parent) => tcx.coverage_attr_on(parent), + // We reached the crate root without seeing a coverage attribute, so + // allow coverage instrumentation by default. + None => true, } } - - match tcx.opt_local_parent(def_id) { - // Check the parent def (and so on recursively) until we find an - // enclosing attribute or reach the crate root. - Some(parent) => tcx.coverage_attr_on(parent), - // We reached the crate root without seeing a coverage attribute, so - // allow coverage instrumentation by default. - None => true, - } } /// Query implementation for `coverage_ids_info`. diff --git a/compiler/rustc_mir_transform/src/gvn.rs b/compiler/rustc_mir_transform/src/gvn.rs index 6b11706d2b5..07717b7c069 100644 --- a/compiler/rustc_mir_transform/src/gvn.rs +++ b/compiler/rustc_mir_transform/src/gvn.rs @@ -105,7 +105,6 @@ use rustc_middle::mir::*; use rustc_middle::ty::layout::HasTypingEnv; use rustc_middle::ty::{self, Ty, TyCtxt}; use rustc_span::DUMMY_SP; -use rustc_span::def_id::DefId; use smallvec::SmallVec; use tracing::{debug, instrument, trace}; @@ -130,7 +129,7 @@ impl<'tcx> crate::MirPass<'tcx> for GVN { let mut state = VnState::new(tcx, body, typing_env, &ssa, dominators, &body.local_decls); for local in body.args_iter().filter(|&local| ssa.is_ssa(local)) { - let opaque = state.new_opaque(); + let opaque = state.new_opaque(body.local_decls[local].ty); state.assign(local, opaque); } @@ -155,22 +154,6 @@ newtype_index! { struct VnIndex {} } -/// Computing the aggregate's type can be quite slow, so we only keep the minimal amount of -/// information to reconstruct it when needed. -#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] -enum AggregateTy<'tcx> { - /// Invariant: this must not be used for an empty array. - Array, - Tuple, - Def(DefId, ty::GenericArgsRef<'tcx>), - RawPtr { - /// Needed for cast propagation. - data_pointer_ty: Ty<'tcx>, - /// The data pointer can be anything thin, so doesn't determine the output. - output_pointer_ty: Ty<'tcx>, - }, -} - #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)] enum AddressKind { Ref(BorrowKind), @@ -193,7 +176,14 @@ enum Value<'tcx> { }, /// An aggregate value, either tuple/closure/struct/enum. /// This does not contain unions, as we cannot reason with the value. - Aggregate(AggregateTy<'tcx>, VariantIdx, Vec<VnIndex>), + Aggregate(VariantIdx, Vec<VnIndex>), + /// A raw pointer aggregate built from a thin pointer and metadata. + RawPtr { + /// Thin pointer component. This is field 0 in MIR. + pointer: VnIndex, + /// Metadata component. This is field 1 in MIR. + metadata: VnIndex, + }, /// This corresponds to a `[value; count]` expression. Repeat(VnIndex, ty::Const<'tcx>), /// The address of a place. @@ -206,7 +196,7 @@ enum Value<'tcx> { // Extractions. /// This is the *value* obtained by projecting another value. - Projection(VnIndex, ProjectionElem<VnIndex, Ty<'tcx>>), + Projection(VnIndex, ProjectionElem<VnIndex, ()>), /// Discriminant of the given value. Discriminant(VnIndex), /// Length of an array or slice. @@ -219,8 +209,6 @@ enum Value<'tcx> { Cast { kind: CastKind, value: VnIndex, - from: Ty<'tcx>, - to: Ty<'tcx>, }, } @@ -228,12 +216,13 @@ struct VnState<'body, 'tcx> { tcx: TyCtxt<'tcx>, ecx: InterpCx<'tcx, DummyMachine>, local_decls: &'body LocalDecls<'tcx>, + is_coroutine: bool, /// Value stored in each local. locals: IndexVec<Local, Option<VnIndex>>, /// Locals that are assigned that value. // This vector does not hold all the values of `VnIndex` that we create. rev_locals: IndexVec<VnIndex, SmallVec<[Local; 1]>>, - values: FxIndexSet<Value<'tcx>>, + values: FxIndexSet<(Value<'tcx>, Ty<'tcx>)>, /// Values evaluated as constants if possible. evaluated: IndexVec<VnIndex, Option<OpTy<'tcx>>>, /// Counter to generate different values. @@ -265,6 +254,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { tcx, ecx: InterpCx::new(tcx, DUMMY_SP, typing_env, DummyMachine), local_decls, + is_coroutine: body.coroutine.is_some(), locals: IndexVec::from_elem(None, local_decls), rev_locals: IndexVec::with_capacity(num_values), values: FxIndexSet::with_capacity_and_hasher(num_values, Default::default()), @@ -282,8 +272,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } #[instrument(level = "trace", skip(self), ret)] - fn insert(&mut self, value: Value<'tcx>) -> VnIndex { - let (index, new) = self.values.insert_full(value); + fn insert(&mut self, ty: Ty<'tcx>, value: Value<'tcx>) -> VnIndex { + let (index, new) = self.values.insert_full((value, ty)); let index = VnIndex::from_usize(index); if new { // Grow `evaluated` and `rev_locals` here to amortize the allocations. @@ -305,20 +295,33 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { /// Create a new `Value` for which we have no information at all, except that it is distinct /// from all the others. #[instrument(level = "trace", skip(self), ret)] - fn new_opaque(&mut self) -> VnIndex { + fn new_opaque(&mut self, ty: Ty<'tcx>) -> VnIndex { let value = Value::Opaque(self.next_opaque()); - self.insert(value) + self.insert(ty, value) } /// Create a new `Value::Address` distinct from all the others. #[instrument(level = "trace", skip(self), ret)] fn new_pointer(&mut self, place: Place<'tcx>, kind: AddressKind) -> VnIndex { + let pty = place.ty(self.local_decls, self.tcx).ty; + let ty = match kind { + AddressKind::Ref(bk) => { + Ty::new_ref(self.tcx, self.tcx.lifetimes.re_erased, pty, bk.to_mutbl_lossy()) + } + AddressKind::Address(mutbl) => Ty::new_ptr(self.tcx, pty, mutbl.to_mutbl_lossy()), + }; let value = Value::Address { place, kind, provenance: self.next_opaque() }; - self.insert(value) + self.insert(ty, value) } + #[inline] fn get(&self, index: VnIndex) -> &Value<'tcx> { - self.values.get_index(index.as_usize()).unwrap() + &self.values.get_index(index.as_usize()).unwrap().0 + } + + #[inline] + fn ty(&self, index: VnIndex) -> Ty<'tcx> { + self.values.get_index(index.as_usize()).unwrap().1 } /// Record that `local` is assigned `value`. `local` must be SSA. @@ -341,29 +344,29 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { debug_assert_ne!(disambiguator, 0); disambiguator }; - self.insert(Value::Constant { value, disambiguator }) + self.insert(value.ty(), Value::Constant { value, disambiguator }) } fn insert_bool(&mut self, flag: bool) -> VnIndex { // Booleans are deterministic. let value = Const::from_bool(self.tcx, flag); debug_assert!(value.is_deterministic()); - self.insert(Value::Constant { value, disambiguator: 0 }) + self.insert(self.tcx.types.bool, Value::Constant { value, disambiguator: 0 }) } - fn insert_scalar(&mut self, scalar: Scalar, ty: Ty<'tcx>) -> VnIndex { + fn insert_scalar(&mut self, ty: Ty<'tcx>, scalar: Scalar) -> VnIndex { // Scalars are deterministic. let value = Const::from_scalar(self.tcx, scalar, ty); debug_assert!(value.is_deterministic()); - self.insert(Value::Constant { value, disambiguator: 0 }) + self.insert(ty, Value::Constant { value, disambiguator: 0 }) } - fn insert_tuple(&mut self, values: Vec<VnIndex>) -> VnIndex { - self.insert(Value::Aggregate(AggregateTy::Tuple, VariantIdx::ZERO, values)) + fn insert_tuple(&mut self, ty: Ty<'tcx>, values: Vec<VnIndex>) -> VnIndex { + self.insert(ty, Value::Aggregate(VariantIdx::ZERO, values)) } - fn insert_deref(&mut self, value: VnIndex) -> VnIndex { - let value = self.insert(Value::Projection(value, ProjectionElem::Deref)); + fn insert_deref(&mut self, ty: Ty<'tcx>, value: VnIndex) -> VnIndex { + let value = self.insert(ty, Value::Projection(value, ProjectionElem::Deref)); self.derefs.push(value); value } @@ -371,14 +374,23 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn invalidate_derefs(&mut self) { for deref in std::mem::take(&mut self.derefs) { let opaque = self.next_opaque(); - *self.values.get_index_mut2(deref.index()).unwrap() = Value::Opaque(opaque); + self.values.get_index_mut2(deref.index()).unwrap().0 = Value::Opaque(opaque); } } #[instrument(level = "trace", skip(self), ret)] fn eval_to_const(&mut self, value: VnIndex) -> Option<OpTy<'tcx>> { use Value::*; + let ty = self.ty(value); + // Avoid computing layouts inside a coroutine, as that can cause cycles. + let ty = if !self.is_coroutine || ty.is_scalar() { + self.ecx.layout_of(ty).ok()? + } else { + return None; + }; let op = match *self.get(value) { + _ if ty.is_zst() => ImmTy::uninit(ty).into(), + Opaque(_) => return None, // Do not bother evaluating repeat expressions. This would uselessly consume memory. Repeat(..) => return None, @@ -386,42 +398,14 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { Constant { ref value, disambiguator: _ } => { self.ecx.eval_mir_constant(value, DUMMY_SP, None).discard_err()? } - Aggregate(kind, variant, ref fields) => { + Aggregate(variant, ref fields) => { let fields = fields .iter() .map(|&f| self.evaluated[f].as_ref()) .collect::<Option<Vec<_>>>()?; - let ty = match kind { - AggregateTy::Array => { - assert!(fields.len() > 0); - Ty::new_array(self.tcx, fields[0].layout.ty, fields.len() as u64) - } - AggregateTy::Tuple => { - Ty::new_tup_from_iter(self.tcx, fields.iter().map(|f| f.layout.ty)) - } - AggregateTy::Def(def_id, args) => { - self.tcx.type_of(def_id).instantiate(self.tcx, args) - } - AggregateTy::RawPtr { output_pointer_ty, .. } => output_pointer_ty, - }; - let variant = if ty.is_enum() { Some(variant) } else { None }; - let ty = self.ecx.layout_of(ty).ok()?; - if ty.is_zst() { - ImmTy::uninit(ty).into() - } else if matches!(kind, AggregateTy::RawPtr { .. }) { - // Pointers don't have fields, so don't `project_field` them. - let data = self.ecx.read_pointer(fields[0]).discard_err()?; - let meta = if fields[1].layout.is_zst() { - MemPlaceMeta::None - } else { - MemPlaceMeta::Meta(self.ecx.read_scalar(fields[1]).discard_err()?) - }; - let ptr_imm = Immediate::new_pointer_with_meta(data, meta, &self.ecx); - ImmTy::from_immediate(ptr_imm, ty).into() - } else if matches!( - ty.backend_repr, - BackendRepr::Scalar(..) | BackendRepr::ScalarPair(..) - ) { + let variant = if ty.ty.is_enum() { Some(variant) } else { None }; + if matches!(ty.backend_repr, BackendRepr::Scalar(..) | BackendRepr::ScalarPair(..)) + { let dest = self.ecx.allocate(ty, MemoryKind::Stack).discard_err()?; let variant_dest = if let Some(variant) = variant { self.ecx.project_downcast(&dest, variant).discard_err()? @@ -446,32 +430,46 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return None; } } + RawPtr { pointer, metadata } => { + let pointer = self.evaluated[pointer].as_ref()?; + let metadata = self.evaluated[metadata].as_ref()?; + + // Pointers don't have fields, so don't `project_field` them. + let data = self.ecx.read_pointer(pointer).discard_err()?; + let meta = if metadata.layout.is_zst() { + MemPlaceMeta::None + } else { + MemPlaceMeta::Meta(self.ecx.read_scalar(metadata).discard_err()?) + }; + let ptr_imm = Immediate::new_pointer_with_meta(data, meta, &self.ecx); + ImmTy::from_immediate(ptr_imm, ty).into() + } Projection(base, elem) => { - let value = self.evaluated[base].as_ref()?; + let base = self.evaluated[base].as_ref()?; let elem = match elem { ProjectionElem::Deref => ProjectionElem::Deref, ProjectionElem::Downcast(name, read_variant) => { ProjectionElem::Downcast(name, read_variant) } - ProjectionElem::Field(f, ty) => ProjectionElem::Field(f, ty), + ProjectionElem::Field(f, ()) => ProjectionElem::Field(f, ty.ty), ProjectionElem::ConstantIndex { offset, min_length, from_end } => { ProjectionElem::ConstantIndex { offset, min_length, from_end } } ProjectionElem::Subslice { from, to, from_end } => { ProjectionElem::Subslice { from, to, from_end } } - ProjectionElem::OpaqueCast(ty) => ProjectionElem::OpaqueCast(ty), - ProjectionElem::Subtype(ty) => ProjectionElem::Subtype(ty), - ProjectionElem::UnwrapUnsafeBinder(ty) => { - ProjectionElem::UnwrapUnsafeBinder(ty) + ProjectionElem::OpaqueCast(()) => ProjectionElem::OpaqueCast(ty.ty), + ProjectionElem::Subtype(()) => ProjectionElem::Subtype(ty.ty), + ProjectionElem::UnwrapUnsafeBinder(()) => { + ProjectionElem::UnwrapUnsafeBinder(ty.ty) } // This should have been replaced by a `ConstantIndex` earlier. ProjectionElem::Index(_) => return None, }; - self.ecx.project(value, elem).discard_err()? + self.ecx.project(base, elem).discard_err()? } - Address { place, kind, provenance: _ } => { + Address { place, kind: _, provenance: _ } => { if !place.is_indirect_first_projection() { return None; } @@ -487,19 +485,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { mplace = self.ecx.project(&mplace, proj).discard_err()?; } let pointer = mplace.to_ref(&self.ecx); - let ty = match kind { - AddressKind::Ref(bk) => Ty::new_ref( - self.tcx, - self.tcx.lifetimes.re_erased, - mplace.layout.ty, - bk.to_mutbl_lossy(), - ), - AddressKind::Address(mutbl) => { - Ty::new_ptr(self.tcx, mplace.layout.ty, mutbl.to_mutbl_lossy()) - } - }; - let layout = self.ecx.layout_of(ty).ok()?; - ImmTy::from_immediate(pointer, layout).into() + ImmTy::from_immediate(pointer, ty).into() } Discriminant(base) => { @@ -511,32 +497,28 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } Len(slice) => { let slice = self.evaluated[slice].as_ref()?; - let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); let len = slice.len(&self.ecx).discard_err()?; - let imm = ImmTy::from_uint(len, usize_layout); - imm.into() + ImmTy::from_uint(len, ty).into() } - NullaryOp(null_op, ty) => { - let layout = self.ecx.layout_of(ty).ok()?; + NullaryOp(null_op, arg_ty) => { + let arg_layout = self.ecx.layout_of(arg_ty).ok()?; if let NullOp::SizeOf | NullOp::AlignOf = null_op - && layout.is_unsized() + && arg_layout.is_unsized() { return None; } let val = match null_op { - NullOp::SizeOf => layout.size.bytes(), - NullOp::AlignOf => layout.align.abi.bytes(), + NullOp::SizeOf => arg_layout.size.bytes(), + NullOp::AlignOf => arg_layout.align.abi.bytes(), NullOp::OffsetOf(fields) => self .ecx .tcx - .offset_of_subfield(self.typing_env(), layout, fields.iter()) + .offset_of_subfield(self.typing_env(), arg_layout, fields.iter()) .bytes(), NullOp::UbChecks => return None, NullOp::ContractChecks => return None, }; - let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap(); - let imm = ImmTy::from_uint(val, usize_layout); - imm.into() + ImmTy::from_uint(val, ty).into() } UnaryOp(un_op, operand) => { let operand = self.evaluated[operand].as_ref()?; @@ -552,30 +534,27 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { let val = self.ecx.binary_op(bin_op, &lhs, &rhs).discard_err()?; val.into() } - Cast { kind, value, from: _, to } => match kind { + Cast { kind, value } => match kind { CastKind::IntToInt | CastKind::IntToFloat => { let value = self.evaluated[value].as_ref()?; let value = self.ecx.read_immediate(value).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - let res = self.ecx.int_to_int_or_float(&value, to).discard_err()?; + let res = self.ecx.int_to_int_or_float(&value, ty).discard_err()?; res.into() } CastKind::FloatToFloat | CastKind::FloatToInt => { let value = self.evaluated[value].as_ref()?; let value = self.ecx.read_immediate(value).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - let res = self.ecx.float_to_float_or_int(&value, to).discard_err()?; + let res = self.ecx.float_to_float_or_int(&value, ty).discard_err()?; res.into() } CastKind::Transmute => { let value = self.evaluated[value].as_ref()?; - let to = self.ecx.layout_of(to).ok()?; // `offset` for immediates generally only supports projections that match the // type of the immediate. However, as a HACK, we exploit that it can also do // limited transmutes: it only works between types with the same layout, and // cannot transmute pointers to integers. if value.as_mplace_or_imm().is_right() { - let can_transmute = match (value.layout.backend_repr, to.backend_repr) { + let can_transmute = match (value.layout.backend_repr, ty.backend_repr) { (BackendRepr::Scalar(s1), BackendRepr::Scalar(s2)) => { s1.size(&self.ecx) == s2.size(&self.ecx) && !matches!(s1.primitive(), Primitive::Pointer(..)) @@ -595,13 +574,12 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { return None; } } - value.offset(Size::ZERO, to, &self.ecx).discard_err()? + value.offset(Size::ZERO, ty, &self.ecx).discard_err()? } CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _) => { let src = self.evaluated[value].as_ref()?; - let to = self.ecx.layout_of(to).ok()?; - let dest = self.ecx.allocate(to, MemoryKind::Stack).discard_err()?; - self.ecx.unsize_into(src, to, &dest.clone().into()).discard_err()?; + let dest = self.ecx.allocate(ty, MemoryKind::Stack).discard_err()?; + self.ecx.unsize_into(src, ty, &dest.clone().into()).discard_err()?; self.ecx .alloc_mark_immutable(dest.ptr().provenance.unwrap().alloc_id()) .discard_err()?; @@ -610,15 +588,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { CastKind::FnPtrToPtr | CastKind::PtrToPtr => { let src = self.evaluated[value].as_ref()?; let src = self.ecx.read_immediate(src).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - let ret = self.ecx.ptr_to_ptr(&src, to).discard_err()?; + let ret = self.ecx.ptr_to_ptr(&src, ty).discard_err()?; ret.into() } CastKind::PointerCoercion(ty::adjustment::PointerCoercion::UnsafeFnPointer, _) => { let src = self.evaluated[value].as_ref()?; let src = self.ecx.read_immediate(src).discard_err()?; - let to = self.ecx.layout_of(to).ok()?; - ImmTy::from_immediate(*src, to).into() + ImmTy::from_immediate(*src, ty).into() } _ => return None, }, @@ -628,31 +604,30 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn project( &mut self, - place: PlaceRef<'tcx>, + place_ty: PlaceTy<'tcx>, value: VnIndex, proj: PlaceElem<'tcx>, from_non_ssa_index: &mut bool, - ) -> Option<VnIndex> { + ) -> Option<(PlaceTy<'tcx>, VnIndex)> { + let projection_ty = place_ty.projection_ty(self.tcx, proj); let proj = match proj { ProjectionElem::Deref => { - let ty = place.ty(self.local_decls, self.tcx).ty; - if let Some(Mutability::Not) = ty.ref_mutability() - && let Some(pointee_ty) = ty.builtin_deref(true) - && pointee_ty.is_freeze(self.tcx, self.typing_env()) + if let Some(Mutability::Not) = place_ty.ty.ref_mutability() + && projection_ty.ty.is_freeze(self.tcx, self.typing_env()) { // An immutable borrow `_x` always points to the same value for the // lifetime of the borrow, so we can merge all instances of `*_x`. - return Some(self.insert_deref(value)); + return Some((projection_ty, self.insert_deref(projection_ty.ty, value))); } else { return None; } } ProjectionElem::Downcast(name, index) => ProjectionElem::Downcast(name, index), - ProjectionElem::Field(f, ty) => { - if let Value::Aggregate(_, _, fields) = self.get(value) { - return Some(fields[f.as_usize()]); + ProjectionElem::Field(f, _) => { + if let Value::Aggregate(_, fields) = self.get(value) { + return Some((projection_ty, fields[f.as_usize()])); } else if let Value::Projection(outer_value, ProjectionElem::Downcast(_, read_variant)) = self.get(value) - && let Value::Aggregate(_, written_variant, fields) = self.get(*outer_value) + && let Value::Aggregate(written_variant, fields) = self.get(*outer_value) // This pass is not aware of control-flow, so we do not know whether the // replacement we are doing is actually reachable. We could be in any arm of // ``` @@ -670,14 +645,14 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // a downcast to an inactive variant. && written_variant == read_variant { - return Some(fields[f.as_usize()]); + return Some((projection_ty, fields[f.as_usize()])); } - ProjectionElem::Field(f, ty) + ProjectionElem::Field(f, ()) } ProjectionElem::Index(idx) => { if let Value::Repeat(inner, _) = self.get(value) { *from_non_ssa_index |= self.locals[idx].is_none(); - return Some(*inner); + return Some((projection_ty, *inner)); } let idx = self.locals[idx]?; ProjectionElem::Index(idx) @@ -685,15 +660,16 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::ConstantIndex { offset, min_length, from_end } => { match self.get(value) { Value::Repeat(inner, _) => { - return Some(*inner); + return Some((projection_ty, *inner)); } - Value::Aggregate(AggregateTy::Array, _, operands) => { + Value::Aggregate(_, operands) => { let offset = if from_end { operands.len() - offset as usize } else { offset as usize }; - return operands.get(offset).copied(); + let value = operands.get(offset).copied()?; + return Some((projection_ty, value)); } _ => {} }; @@ -702,12 +678,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::Subslice { from, to, from_end } => { ProjectionElem::Subslice { from, to, from_end } } - ProjectionElem::OpaqueCast(ty) => ProjectionElem::OpaqueCast(ty), - ProjectionElem::Subtype(ty) => ProjectionElem::Subtype(ty), - ProjectionElem::UnwrapUnsafeBinder(ty) => ProjectionElem::UnwrapUnsafeBinder(ty), + ProjectionElem::OpaqueCast(_) => ProjectionElem::OpaqueCast(()), + ProjectionElem::Subtype(_) => ProjectionElem::Subtype(()), + ProjectionElem::UnwrapUnsafeBinder(_) => ProjectionElem::UnwrapUnsafeBinder(()), }; - Some(self.insert(Value::Projection(value, proj))) + let value = self.insert(projection_ty.ty, Value::Projection(value, proj)); + Some((projection_ty, value)) } /// Simplify the projection chain if we know better. @@ -769,6 +746,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Invariant: `value` holds the value up-to the `index`th projection excluded. let mut value = self.locals[place.local]?; + // Invariant: `value` has type `place_ty`, with optional downcast variant if needed. + let mut place_ty = PlaceTy::from_ty(self.local_decls[place.local].ty); let mut from_non_ssa_index = false; for (index, proj) in place.projection.iter().enumerate() { if let Value::Projection(pointer, ProjectionElem::Deref) = *self.get(value) @@ -786,8 +765,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { place_ref = PlaceRef { local, projection: &place.projection[index..] }; } - let base = PlaceRef { local: place.local, projection: &place.projection[..index] }; - value = self.project(base, value, proj, &mut from_non_ssa_index)?; + (place_ty, value) = self.project(place_ty, value, proj, &mut from_non_ssa_index)?; } if let Value::Projection(pointer, ProjectionElem::Deref) = *self.get(value) @@ -864,14 +842,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { self.simplify_place_projection(place, location); return Some(self.new_pointer(*place, AddressKind::Address(mutbl))); } - Rvalue::WrapUnsafeBinder(ref mut op, ty) => { + Rvalue::WrapUnsafeBinder(ref mut op, _) => { let value = self.simplify_operand(op, location)?; - Value::Cast { - kind: CastKind::Transmute, - value, - from: op.ty(self.local_decls, self.tcx), - to: ty, - } + Value::Cast { kind: CastKind::Transmute, value } } // Operations. @@ -896,18 +869,17 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Unsupported values. Rvalue::ThreadLocalRef(..) | Rvalue::ShallowInitBox(..) => return None, }; - debug!(?value); - Some(self.insert(value)) + let ty = rvalue.ty(self.local_decls, self.tcx); + Some(self.insert(ty, value)) } fn simplify_discriminant(&mut self, place: VnIndex) -> Option<VnIndex> { - if let Value::Aggregate(enum_ty, variant, _) = *self.get(place) - && let AggregateTy::Def(enum_did, enum_args) = enum_ty - && let DefKind::Enum = self.tcx.def_kind(enum_did) + let enum_ty = self.ty(place); + if enum_ty.is_enum() + && let Value::Aggregate(variant, _) = *self.get(place) { - let enum_ty = self.tcx.type_of(enum_did).instantiate(self.tcx, enum_args); let discr = self.ecx.discriminant_for_variant(enum_ty, variant).discard_err()?; - return Some(self.insert_scalar(discr.to_scalar(), discr.layout.ty)); + return Some(self.insert_scalar(discr.layout.ty, discr.to_scalar())); } None @@ -915,12 +887,13 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { fn try_as_place_elem( &mut self, - proj: ProjectionElem<VnIndex, Ty<'tcx>>, + ty: Ty<'tcx>, + proj: ProjectionElem<VnIndex, ()>, loc: Location, ) -> Option<PlaceElem<'tcx>> { Some(match proj { ProjectionElem::Deref => ProjectionElem::Deref, - ProjectionElem::Field(idx, ty) => ProjectionElem::Field(idx, ty), + ProjectionElem::Field(idx, ()) => ProjectionElem::Field(idx, ty), ProjectionElem::Index(idx) => { let Some(local) = self.try_as_local(idx, loc) else { return None; @@ -935,9 +908,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ProjectionElem::Subslice { from, to, from_end } } ProjectionElem::Downcast(symbol, idx) => ProjectionElem::Downcast(symbol, idx), - ProjectionElem::OpaqueCast(idx) => ProjectionElem::OpaqueCast(idx), - ProjectionElem::Subtype(idx) => ProjectionElem::Subtype(idx), - ProjectionElem::UnwrapUnsafeBinder(ty) => ProjectionElem::UnwrapUnsafeBinder(ty), + ProjectionElem::OpaqueCast(()) => ProjectionElem::OpaqueCast(ty), + ProjectionElem::Subtype(()) => ProjectionElem::Subtype(ty), + ProjectionElem::UnwrapUnsafeBinder(()) => ProjectionElem::UnwrapUnsafeBinder(ty), }) } @@ -983,8 +956,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // Allow introducing places with non-constant offsets, as those are still better than // reconstructing an aggregate. - if let Some(place) = self.try_as_place(copy_from_local_value, location, true) - && rvalue.ty(self.local_decls, self.tcx) == place.ty(self.local_decls, self.tcx).ty + if self.ty(copy_from_local_value) == rvalue.ty(self.local_decls, self.tcx) + && let Some(place) = self.try_as_place(copy_from_local_value, location, true) { // Avoid creating `*a = copy (*b)`, as they might be aliases resulting in overlapping assignments. // FIXME: This also avoids any kind of projection, not just derefs. We can add allowed projections. @@ -1004,9 +977,11 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { rvalue: &mut Rvalue<'tcx>, location: Location, ) -> Option<VnIndex> { + let tcx = self.tcx; + let ty = rvalue.ty(self.local_decls, tcx); + let Rvalue::Aggregate(box ref kind, ref mut field_ops) = *rvalue else { bug!() }; - let tcx = self.tcx; if field_ops.is_empty() { let is_zst = match *kind { AggregateKind::Array(..) @@ -1021,87 +996,72 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { }; if is_zst { - let ty = rvalue.ty(self.local_decls, tcx); return Some(self.insert_constant(Const::zero_sized(ty))); } } - let (mut ty, variant_index) = match *kind { - AggregateKind::Array(..) => { - assert!(!field_ops.is_empty()); - (AggregateTy::Array, FIRST_VARIANT) - } - AggregateKind::Tuple => { + let fields: Vec<_> = field_ops + .iter_mut() + .map(|op| { + self.simplify_operand(op, location) + .unwrap_or_else(|| self.new_opaque(op.ty(self.local_decls, self.tcx))) + }) + .collect(); + + let variant_index = match *kind { + AggregateKind::Array(..) | AggregateKind::Tuple => { assert!(!field_ops.is_empty()); - (AggregateTy::Tuple, FIRST_VARIANT) - } - AggregateKind::Closure(did, args) - | AggregateKind::CoroutineClosure(did, args) - | AggregateKind::Coroutine(did, args) => (AggregateTy::Def(did, args), FIRST_VARIANT), - AggregateKind::Adt(did, variant_index, args, _, None) => { - (AggregateTy::Def(did, args), variant_index) + FIRST_VARIANT } + AggregateKind::Closure(..) + | AggregateKind::CoroutineClosure(..) + | AggregateKind::Coroutine(..) => FIRST_VARIANT, + AggregateKind::Adt(_, variant_index, _, _, None) => variant_index, // Do not track unions. AggregateKind::Adt(_, _, _, _, Some(_)) => return None, - AggregateKind::RawPtr(pointee_ty, mtbl) => { + AggregateKind::RawPtr(..) => { assert_eq!(field_ops.len(), 2); - let data_pointer_ty = field_ops[FieldIdx::ZERO].ty(self.local_decls, self.tcx); - let output_pointer_ty = Ty::new_ptr(self.tcx, pointee_ty, mtbl); - (AggregateTy::RawPtr { data_pointer_ty, output_pointer_ty }, FIRST_VARIANT) - } - }; - - let mut fields: Vec<_> = field_ops - .iter_mut() - .map(|op| self.simplify_operand(op, location).unwrap_or_else(|| self.new_opaque())) - .collect(); - - if let AggregateTy::RawPtr { data_pointer_ty, output_pointer_ty } = &mut ty { - let mut was_updated = false; + let [mut pointer, metadata] = fields.try_into().unwrap(); + + // Any thin pointer of matching mutability is fine as the data pointer. + let mut was_updated = false; + while let Value::Cast { kind: CastKind::PtrToPtr, value: cast_value } = + self.get(pointer) + && let ty::RawPtr(from_pointee_ty, from_mtbl) = self.ty(*cast_value).kind() + && let ty::RawPtr(_, output_mtbl) = ty.kind() + && from_mtbl == output_mtbl + && from_pointee_ty.is_sized(self.tcx, self.typing_env()) + { + pointer = *cast_value; + was_updated = true; + } - // Any thin pointer of matching mutability is fine as the data pointer. - while let Value::Cast { - kind: CastKind::PtrToPtr, - value: cast_value, - from: cast_from, - to: _, - } = self.get(fields[0]) - && let ty::RawPtr(from_pointee_ty, from_mtbl) = cast_from.kind() - && let ty::RawPtr(_, output_mtbl) = output_pointer_ty.kind() - && from_mtbl == output_mtbl - && from_pointee_ty.is_sized(self.tcx, self.typing_env()) - { - fields[0] = *cast_value; - *data_pointer_ty = *cast_from; - was_updated = true; - } + if was_updated && let Some(op) = self.try_as_operand(pointer, location) { + field_ops[FieldIdx::ZERO] = op; + } - if was_updated && let Some(op) = self.try_as_operand(fields[0], location) { - field_ops[FieldIdx::ZERO] = op; + return Some(self.insert(ty, Value::RawPtr { pointer, metadata })); } - } + }; - if let AggregateTy::Array = ty - && fields.len() > 4 - { + if ty.is_array() && fields.len() > 4 { let first = fields[0]; if fields.iter().all(|&v| v == first) { let len = ty::Const::from_target_usize(self.tcx, fields.len().try_into().unwrap()); if let Some(op) = self.try_as_operand(first, location) { *rvalue = Rvalue::Repeat(op, len); } - return Some(self.insert(Value::Repeat(first, len))); + return Some(self.insert(ty, Value::Repeat(first, len))); } } - if let AggregateTy::Def(_, _) = ty - && let Some(value) = - self.simplify_aggregate_to_copy(lhs, rvalue, location, &fields, variant_index) + if let Some(value) = + self.simplify_aggregate_to_copy(lhs, rvalue, location, &fields, variant_index) { return Some(value); } - Some(self.insert(Value::Aggregate(ty, variant_index, fields))) + Some(self.insert(ty, Value::Aggregate(variant_index, fields))) } #[instrument(level = "trace", skip(self), ret)] @@ -1112,6 +1072,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { location: Location, ) -> Option<VnIndex> { let mut arg_index = self.simplify_operand(arg_op, location)?; + let arg_ty = self.ty(arg_index); + let ret_ty = op.ty(self.tcx, arg_ty); // PtrMetadata doesn't care about *const vs *mut vs & vs &mut, // so start by removing those distinctions so we can update the `Operand` @@ -1127,8 +1089,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // we can't always know exactly what the metadata are. // To allow things like `*mut (?A, ?T)` <-> `*mut (?B, ?T)`, // it's fine to get a projection as the type. - Value::Cast { kind: CastKind::PtrToPtr, value: inner, from, to } - if self.pointers_have_same_metadata(*from, *to) => + Value::Cast { kind: CastKind::PtrToPtr, value: inner } + if self.pointers_have_same_metadata(self.ty(*inner), arg_ty) => { arg_index = *inner; was_updated = true; @@ -1165,26 +1127,22 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { (UnOp::Not, Value::BinaryOp(BinOp::Ne, lhs, rhs)) => { Value::BinaryOp(BinOp::Eq, *lhs, *rhs) } - (UnOp::PtrMetadata, Value::Aggregate(AggregateTy::RawPtr { .. }, _, fields)) => { - return Some(fields[1]); - } + (UnOp::PtrMetadata, Value::RawPtr { metadata, .. }) => return Some(*metadata), // We have an unsizing cast, which assigns the length to wide pointer metadata. ( UnOp::PtrMetadata, Value::Cast { kind: CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _), - from, - to, - .. + value: inner, }, - ) if let ty::Slice(..) = to.builtin_deref(true).unwrap().kind() - && let ty::Array(_, len) = from.builtin_deref(true).unwrap().kind() => + ) if let ty::Slice(..) = arg_ty.builtin_deref(true).unwrap().kind() + && let ty::Array(_, len) = self.ty(*inner).builtin_deref(true).unwrap().kind() => { return Some(self.insert_constant(Const::Ty(self.tcx.types.usize, *len))); } _ => Value::UnaryOp(op, arg_index), }; - Some(self.insert(value)) + Some(self.insert(ret_ty, value)) } #[instrument(level = "trace", skip(self), ret)] @@ -1197,25 +1155,23 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { ) -> Option<VnIndex> { let lhs = self.simplify_operand(lhs_operand, location); let rhs = self.simplify_operand(rhs_operand, location); + // Only short-circuit options after we called `simplify_operand` // on both operands for side effect. let mut lhs = lhs?; let mut rhs = rhs?; - let lhs_ty = lhs_operand.ty(self.local_decls, self.tcx); + let lhs_ty = self.ty(lhs); // If we're comparing pointers, remove `PtrToPtr` casts if the from // types of both casts and the metadata all match. if let BinOp::Eq | BinOp::Ne | BinOp::Lt | BinOp::Le | BinOp::Gt | BinOp::Ge = op && lhs_ty.is_any_ptr() - && let Value::Cast { - kind: CastKind::PtrToPtr, value: lhs_value, from: lhs_from, .. - } = self.get(lhs) - && let Value::Cast { - kind: CastKind::PtrToPtr, value: rhs_value, from: rhs_from, .. - } = self.get(rhs) - && lhs_from == rhs_from - && self.pointers_have_same_metadata(*lhs_from, lhs_ty) + && let Value::Cast { kind: CastKind::PtrToPtr, value: lhs_value } = self.get(lhs) + && let Value::Cast { kind: CastKind::PtrToPtr, value: rhs_value } = self.get(rhs) + && let lhs_from = self.ty(*lhs_value) + && lhs_from == self.ty(*rhs_value) + && self.pointers_have_same_metadata(lhs_from, lhs_ty) { lhs = *lhs_value; rhs = *rhs_value; @@ -1230,8 +1186,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { if let Some(value) = self.simplify_binary_inner(op, lhs_ty, lhs, rhs) { return Some(value); } + let ty = op.ty(self.tcx, lhs_ty, self.ty(rhs)); let value = Value::BinaryOp(op, lhs, rhs); - Some(self.insert(value)) + Some(self.insert(ty, value)) } fn simplify_binary_inner( @@ -1323,19 +1280,19 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { | BinOp::Shr, Left(0), _, - ) => self.insert_scalar(Scalar::from_uint(0u128, layout.size), lhs_ty), + ) => self.insert_scalar(lhs_ty, Scalar::from_uint(0u128, layout.size)), // Attempt to simplify `x | ALL_ONES` to `ALL_ONES`. (BinOp::BitOr, _, Left(ones)) | (BinOp::BitOr, Left(ones), _) if ones == layout.size.truncate(u128::MAX) || (layout.ty.is_bool() && ones == 1) => { - self.insert_scalar(Scalar::from_uint(ones, layout.size), lhs_ty) + self.insert_scalar(lhs_ty, Scalar::from_uint(ones, layout.size)) } // Sub/Xor with itself. (BinOp::Sub | BinOp::SubWithOverflow | BinOp::SubUnchecked | BinOp::BitXor, a, b) if a == b => { - self.insert_scalar(Scalar::from_uint(0u128, layout.size), lhs_ty) + self.insert_scalar(lhs_ty, Scalar::from_uint(0u128, layout.size)) } // Comparison: // - if both operands can be computed as bits, just compare the bits; @@ -1349,8 +1306,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { }; if op.is_overflowing() { + let ty = Ty::new_tup(self.tcx, &[self.ty(result), self.tcx.types.bool]); let false_val = self.insert_bool(false); - Some(self.insert_tuple(vec![result, false_val])) + Some(self.insert_tuple(ty, vec![result, false_val])) } else { Some(result) } @@ -1366,9 +1324,9 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { use CastKind::*; use rustc_middle::ty::adjustment::PointerCoercion::*; - let mut from = initial_operand.ty(self.local_decls, self.tcx); let mut kind = *initial_kind; let mut value = self.simplify_operand(initial_operand, location)?; + let mut from = self.ty(value); if from == to { return Some(value); } @@ -1376,7 +1334,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { if let CastKind::PointerCoercion(ReifyFnPointer | ClosureFnPointer(_), _) = kind { // Each reification of a generic fn may get a different pointer. // Do not try to merge them. - return Some(self.new_opaque()); + return Some(self.new_opaque(to)); } let mut was_ever_updated = false; @@ -1399,23 +1357,22 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // If a cast just casts away the metadata again, then we can get it by // casting the original thin pointer passed to `from_raw_parts` if let PtrToPtr = kind - && let Value::Aggregate(AggregateTy::RawPtr { data_pointer_ty, .. }, _, fields) = - self.get(value) + && let Value::RawPtr { pointer, .. } = self.get(value) && let ty::RawPtr(to_pointee, _) = to.kind() && to_pointee.is_sized(self.tcx, self.typing_env()) { - from = *data_pointer_ty; - value = fields[0]; + from = self.ty(*pointer); + value = *pointer; was_updated_this_iteration = true; - if *data_pointer_ty == to { - return Some(fields[0]); + if from == to { + return Some(*pointer); } } // Aggregate-then-Transmute can just transmute the original field value, // so long as the bytes of a value from only from a single field. if let Transmute = kind - && let Value::Aggregate(_aggregate_ty, variant_idx, field_values) = self.get(value) + && let Value::Aggregate(variant_idx, field_values) = self.get(value) && let Some((field_idx, field_ty)) = self.value_is_all_in_one_field(from, *variant_idx) { @@ -1428,13 +1385,8 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // Various cast-then-cast cases can be simplified. - if let Value::Cast { - kind: inner_kind, - value: inner_value, - from: inner_from, - to: inner_to, - } = *self.get(value) - { + if let Value::Cast { kind: inner_kind, value: inner_value } = *self.get(value) { + let inner_from = self.ty(inner_value); let new_kind = match (inner_kind, kind) { // Even if there's a narrowing cast in here that's fine, because // things like `*mut [i32] -> *mut i32 -> *const i32` and @@ -1443,9 +1395,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // PtrToPtr-then-Transmute is fine so long as the pointer cast is identity: // `*const T -> *mut T -> NonNull<T>` is fine, but we need to check for narrowing // to skip things like `*const [i32] -> *const i32 -> NonNull<T>`. - (PtrToPtr, Transmute) - if self.pointers_have_same_metadata(inner_from, inner_to) => - { + (PtrToPtr, Transmute) if self.pointers_have_same_metadata(inner_from, from) => { Some(Transmute) } // Similarly, for Transmute-then-PtrToPtr. Note that we need to check different @@ -1456,7 +1406,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { // If would be legal to always do this, but we don't want to hide information // from the backend that it'd otherwise be able to use for optimizations. (Transmute, Transmute) - if !self.type_may_have_niche_of_interest_to_backend(inner_to) => + if !self.type_may_have_niche_of_interest_to_backend(from) => { Some(Transmute) } @@ -1485,7 +1435,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { *initial_kind = kind; } - Some(self.insert(Value::Cast { kind, value, from, to })) + Some(self.insert(to, Value::Cast { kind, value })) } fn simplify_len(&mut self, place: &mut Place<'tcx>, location: Location) -> Option<VnIndex> { @@ -1507,18 +1457,18 @@ impl<'body, 'tcx> VnState<'body, 'tcx> { } // We have an unsizing cast, which assigns the length to wide pointer metadata. - if let Value::Cast { kind, from, to, .. } = self.get(inner) + if let Value::Cast { kind, value: from } = self.get(inner) && let CastKind::PointerCoercion(ty::adjustment::PointerCoercion::Unsize, _) = kind - && let Some(from) = from.builtin_deref(true) + && let Some(from) = self.ty(*from).builtin_deref(true) && let ty::Array(_, len) = from.kind() - && let Some(to) = to.builtin_deref(true) + && let Some(to) = self.ty(inner).builtin_deref(true) && let ty::Slice(..) = to.kind() { return Some(self.insert_constant(Const::Ty(self.tcx.types.usize, *len))); } // Fallback: a symbolic `Len`. - Some(self.insert(Value::Len(inner))) + Some(self.insert(self.tcx.types.usize, Value::Len(inner))) } fn pointers_have_same_metadata(&self, left_ptr_ty: Ty<'tcx>, right_ptr_ty: Ty<'tcx>) -> bool { @@ -1727,7 +1677,7 @@ impl<'tcx> VnState<'_, 'tcx> { return Some(place); } else if let Value::Projection(pointer, proj) = *self.get(index) && (allow_complex_projection || proj.is_stable_offset()) - && let Some(proj) = self.try_as_place_elem(proj, loc) + && let Some(proj) = self.try_as_place_elem(self.ty(index), proj, loc) { projection.push(proj); index = pointer; @@ -1755,7 +1705,7 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { fn visit_place(&mut self, place: &mut Place<'tcx>, context: PlaceContext, location: Location) { self.simplify_place_projection(place, location); - if context.is_mutating_use() && !place.projection.is_empty() { + if context.is_mutating_use() && place.is_indirect() { // Non-local mutation maybe invalidate deref. self.invalidate_derefs(); } @@ -1767,36 +1717,42 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { self.super_operand(operand, location); } - fn visit_statement(&mut self, stmt: &mut Statement<'tcx>, location: Location) { - if let StatementKind::Assign(box (ref mut lhs, ref mut rvalue)) = stmt.kind { - self.simplify_place_projection(lhs, location); - - let value = self.simplify_rvalue(lhs, rvalue, location); - let value = if let Some(local) = lhs.as_local() - && self.ssa.is_ssa(local) - // FIXME(#112651) `rvalue` may have a subtype to `local`. We can only mark - // `local` as reusable if we have an exact type match. - && self.local_decls[local].ty == rvalue.ty(self.local_decls, self.tcx) + fn visit_assign( + &mut self, + lhs: &mut Place<'tcx>, + rvalue: &mut Rvalue<'tcx>, + location: Location, + ) { + self.simplify_place_projection(lhs, location); + + let value = self.simplify_rvalue(lhs, rvalue, location); + if let Some(value) = value { + if let Some(const_) = self.try_as_constant(value) { + *rvalue = Rvalue::Use(Operand::Constant(Box::new(const_))); + } else if let Some(place) = self.try_as_place(value, location, false) + && *rvalue != Rvalue::Use(Operand::Move(place)) + && *rvalue != Rvalue::Use(Operand::Copy(place)) { - let value = value.unwrap_or_else(|| self.new_opaque()); - self.assign(local, value); - Some(value) - } else { - value - }; - if let Some(value) = value { - if let Some(const_) = self.try_as_constant(value) { - *rvalue = Rvalue::Use(Operand::Constant(Box::new(const_))); - } else if let Some(place) = self.try_as_place(value, location, false) - && *rvalue != Rvalue::Use(Operand::Move(place)) - && *rvalue != Rvalue::Use(Operand::Copy(place)) - { - *rvalue = Rvalue::Use(Operand::Copy(place)); - self.reused_locals.insert(place.local); - } + *rvalue = Rvalue::Use(Operand::Copy(place)); + self.reused_locals.insert(place.local); } } - self.super_statement(stmt, location); + + if lhs.is_indirect() { + // Non-local mutation maybe invalidate deref. + self.invalidate_derefs(); + } + + if let Some(local) = lhs.as_local() + && self.ssa.is_ssa(local) + && let rvalue_ty = rvalue.ty(self.local_decls, self.tcx) + // FIXME(#112651) `rvalue` may have a subtype to `local`. We can only mark + // `local` as reusable if we have an exact type match. + && self.local_decls[local].ty == rvalue_ty + { + let value = value.unwrap_or_else(|| self.new_opaque(rvalue_ty)); + self.assign(local, value); + } } fn visit_terminator(&mut self, terminator: &mut Terminator<'tcx>, location: Location) { @@ -1804,7 +1760,8 @@ impl<'tcx> MutVisitor<'tcx> for VnState<'_, 'tcx> { if let Some(local) = destination.as_local() && self.ssa.is_ssa(local) { - let opaque = self.new_opaque(); + let ty = self.local_decls[local].ty; + let opaque = self.new_opaque(ty); self.assign(local, opaque); } } diff --git a/compiler/rustc_parse/src/lexer/diagnostics.rs b/compiler/rustc_parse/src/lexer/diagnostics.rs index 0b97d4e6993..6de001fc998 100644 --- a/compiler/rustc_parse/src/lexer/diagnostics.rs +++ b/compiler/rustc_parse/src/lexer/diagnostics.rs @@ -34,9 +34,12 @@ pub(super) fn same_indentation_level(sm: &SourceMap, open_sp: Span, close_sp: Sp // When we get a `)` or `]` for `{`, we should emit help message here // it's more friendly compared to report `unmatched error` in later phase -fn report_missing_open_delim(err: &mut Diag<'_>, unmatched_delims: &[UnmatchedDelim]) -> bool { +pub(super) fn report_missing_open_delim( + err: &mut Diag<'_>, + unmatched_delims: &mut Vec<UnmatchedDelim>, +) -> bool { let mut reported_missing_open = false; - for unmatch_brace in unmatched_delims.iter() { + unmatched_delims.retain(|unmatch_brace| { if let Some(delim) = unmatch_brace.found_delim && matches!(delim, Delimiter::Parenthesis | Delimiter::Bracket) { @@ -45,13 +48,20 @@ fn report_missing_open_delim(err: &mut Diag<'_>, unmatched_delims: &[UnmatchedDe Delimiter::Bracket => "[", _ => unreachable!(), }; + + if let Some(unclosed_span) = unmatch_brace.unclosed_span { + err.span_label(unclosed_span, "the nearest open delimiter"); + } err.span_label( unmatch_brace.found_span.shrink_to_lo(), format!("missing open `{missed_open}` for this delimiter"), ); reported_missing_open = true; + false + } else { + true } - } + }); reported_missing_open } @@ -61,10 +71,6 @@ pub(super) fn report_suspicious_mismatch_block( sm: &SourceMap, delim: Delimiter, ) { - if report_missing_open_delim(err, &diag_info.unmatched_delims) { - return; - } - let mut matched_spans: Vec<(Span, bool)> = diag_info .matching_block_spans .iter() diff --git a/compiler/rustc_parse/src/lexer/tokentrees.rs b/compiler/rustc_parse/src/lexer/tokentrees.rs index fbea958dcc5..64748199f28 100644 --- a/compiler/rustc_parse/src/lexer/tokentrees.rs +++ b/compiler/rustc_parse/src/lexer/tokentrees.rs @@ -3,7 +3,9 @@ use rustc_ast::tokenstream::{DelimSpacing, DelimSpan, Spacing, TokenStream, Toke use rustc_ast_pretty::pprust::token_to_string; use rustc_errors::Diag; -use super::diagnostics::{report_suspicious_mismatch_block, same_indentation_level}; +use super::diagnostics::{ + report_missing_open_delim, report_suspicious_mismatch_block, same_indentation_level, +}; use super::{Lexer, UnmatchedDelim}; impl<'psess, 'src> Lexer<'psess, 'src> { @@ -244,7 +246,16 @@ impl<'psess, 'src> Lexer<'psess, 'src> { let msg = format!("unexpected closing delimiter: `{token_str}`"); let mut err = self.dcx().struct_span_err(self.token.span, msg); - report_suspicious_mismatch_block(&mut err, &self.diag_info, self.psess.source_map(), delim); + // if there is no missing open delim, report suspicious mismatch block + if !report_missing_open_delim(&mut err, &mut self.diag_info.unmatched_delims) { + report_suspicious_mismatch_block( + &mut err, + &self.diag_info, + self.psess.source_map(), + delim, + ); + } + err.span_label(self.token.span, "unexpected closing delimiter"); err } diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 783d79d978a..a476f0db37e 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -318,6 +318,7 @@ pub fn check_builtin_meta_item( | sym::rustc_layout_scalar_valid_range_end | sym::no_implicit_prelude | sym::automatically_derived + | sym::coverage ) { return; } diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index d8ffcedeb88..2766b14bb8d 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -288,6 +288,9 @@ impl<'tcx> CheckAttrVisitor<'tcx> { &Attribute::Parsed(AttributeKind::StdInternalSymbol(attr_span)) => { self.check_rustc_std_internal_symbol(attr_span, span, target) } + &Attribute::Parsed(AttributeKind::Coverage(attr_span, _)) => { + self.check_coverage(attr_span, span, target) + } Attribute::Unparsed(attr_item) => { style = Some(attr_item.style); match attr.path().as_slice() { @@ -297,7 +300,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { [sym::diagnostic, sym::on_unimplemented, ..] => { self.check_diagnostic_on_unimplemented(attr.span(), hir_id, target) } - [sym::coverage, ..] => self.check_coverage(attr, span, target), [sym::no_sanitize, ..] => { self.check_no_sanitize(attr, span, target) } @@ -588,7 +590,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { /// Checks that `#[coverage(..)]` is applied to a function/closure/method, /// or to an impl block or module. - fn check_coverage(&self, attr: &Attribute, target_span: Span, target: Target) { + fn check_coverage(&self, attr_span: Span, target_span: Span, target: Target) { let mut not_fn_impl_mod = None; let mut no_body = None; @@ -611,7 +613,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { } self.dcx().emit_err(errors::CoverageAttributeNotAllowed { - attr_span: attr.span(), + attr_span, not_fn_impl_mod, no_body, help: (), diff --git a/compiler/rustc_public/src/rustc_internal/mod.rs b/compiler/rustc_public/src/rustc_internal/mod.rs index 5d7c8256d5b..01354fc7bd4 100644 --- a/compiler/rustc_public/src/rustc_internal/mod.rs +++ b/compiler/rustc_public/src/rustc_internal/mod.rs @@ -144,10 +144,10 @@ where #[macro_export] macro_rules! run { ($args:expr, $callback_fn:ident) => { - run_driver!($args, || $callback_fn()) + $crate::run_driver!($args, || $callback_fn()) }; ($args:expr, $callback:expr) => { - run_driver!($args, $callback) + $crate::run_driver!($args, $callback) }; } @@ -158,10 +158,10 @@ macro_rules! run { #[macro_export] macro_rules! run_with_tcx { ($args:expr, $callback_fn:ident) => { - run_driver!($args, |tcx| $callback_fn(tcx), with_tcx) + $crate::run_driver!($args, |tcx| $callback_fn(tcx), with_tcx) }; ($args:expr, $callback:expr) => { - run_driver!($args, $callback, with_tcx) + $crate::run_driver!($args, $callback, with_tcx) }; } @@ -191,11 +191,11 @@ macro_rules! run_driver { use rustc_public::CompilerError; use std::ops::ControlFlow; - pub struct StableMir<B = (), C = (), F = fn($(optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C>> + pub struct StableMir<B = (), C = (), F = fn($($crate::optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C>> where B: Send, C: Send, - F: FnOnce($(optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C> + Send, + F: FnOnce($($crate::optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C> + Send, { callback: Option<F>, result: Option<ControlFlow<B, C>>, @@ -205,7 +205,7 @@ macro_rules! run_driver { where B: Send, C: Send, - F: FnOnce($(optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C> + Send, + F: FnOnce($($crate::optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C> + Send, { /// Creates a new `StableMir` instance, with given test_function and arguments. pub fn new(callback: F) -> Self { @@ -240,7 +240,7 @@ macro_rules! run_driver { where B: Send, C: Send, - F: FnOnce($(optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C> + Send, + F: FnOnce($($crate::optional!($with_tcx TyCtxt))?) -> ControlFlow<B, C> + Send, { /// Called after analysis. Return value instructs the compiler whether to /// continue the compilation afterwards (defaults to `Compilation::Continue`) @@ -251,7 +251,7 @@ macro_rules! run_driver { ) -> Compilation { if let Some(callback) = self.callback.take() { rustc_internal::run(tcx, || { - self.result = Some(callback($(optional!($with_tcx tcx))?)); + self.result = Some(callback($($crate::optional!($with_tcx tcx))?)); }) .unwrap(); if self.result.as_ref().is_some_and(|val| val.is_continue()) { diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index e56aabfd414..675ea9d1e98 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -49,8 +49,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { ns: Namespace, binding: NameBinding<'ra>, ) { - let key = self.new_disambiguated_key(ident, ns); - if let Err(old_binding) = self.try_define(parent, key, binding, false) { + if let Err(old_binding) = self.try_define(parent, ident, ns, binding, false) { self.report_conflict(parent, ident, ns, old_binding, binding); } } @@ -442,16 +441,18 @@ impl<'a, 'ra, 'tcx> BuildReducedGraphVisitor<'a, 'ra, 'tcx> { self.r.indeterminate_imports.push(import); match import.kind { - // Don't add unresolved underscore imports to modules - ImportKind::Single { target: Ident { name: kw::Underscore, .. }, .. } => {} ImportKind::Single { target, type_ns_only, .. } => { - self.r.per_ns(|this, ns| { - if !type_ns_only || ns == TypeNS { - let key = BindingKey::new(target, ns); - let mut resolution = this.resolution(current_module, key).borrow_mut(); - resolution.single_imports.insert(import); - } - }); + // Don't add underscore imports to `single_imports` + // because they cannot define any usable names. + if target.name != kw::Underscore { + self.r.per_ns(|this, ns| { + if !type_ns_only || ns == TypeNS { + let key = BindingKey::new(target, ns); + let mut resolution = this.resolution(current_module, key).borrow_mut(); + resolution.single_imports.insert(import); + } + }); + } } // We don't add prelude imports to the globs since they only affect lexical scopes, // which are not relevant to import resolution. @@ -1405,9 +1406,12 @@ impl<'a, 'ra, 'tcx> Visitor<'a> for BuildReducedGraphVisitor<'a, 'ra, 'tcx> { let parent = self.parent_scope.module; let expansion = self.parent_scope.expansion; self.r.define(parent, ident, ns, self.res(def_id), vis, item.span, expansion); - } else if !matches!(&item.kind, AssocItemKind::Delegation(deleg) if deleg.from_glob) { + } else if !matches!(&item.kind, AssocItemKind::Delegation(deleg) if deleg.from_glob) + && ident.name != kw::Underscore + { + // Don't add underscore names, they cannot be looked up anyway. let impl_def_id = self.r.tcx.local_parent(local_def_id); - let key = BindingKey::new(ident.normalize_to_macros_2_0(), ns); + let key = BindingKey::new(ident, ns); self.r.impl_binding_keys.entry(impl_def_id).or_default().insert(key); } diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 0a4c25b0eb0..b4c15ed1ca7 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -25,7 +25,7 @@ use rustc_span::{Ident, Span, Symbol, kw, sym}; use smallvec::SmallVec; use tracing::debug; -use crate::Namespace::*; +use crate::Namespace::{self, *}; use crate::diagnostics::{DiagMode, Suggestion, import_candidates}; use crate::errors::{ CannotBeReexportedCratePublic, CannotBeReexportedCratePublicNS, CannotBeReexportedPrivate, @@ -338,13 +338,20 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { pub(crate) fn try_define( &mut self, module: Module<'ra>, - key: BindingKey, + ident: Ident, + ns: Namespace, binding: NameBinding<'ra>, warn_ambiguity: bool, ) -> Result<(), NameBinding<'ra>> { let res = binding.res(); - self.check_reserved_macro_name(key.ident, res); + self.check_reserved_macro_name(ident, res); self.set_binding_parent_module(binding, module); + // Even if underscore names cannot be looked up, we still need to add them to modules, + // because they can be fetched by glob imports from those modules, and bring traits + // into scope both directly and through glob imports. + let key = BindingKey::new_disambiguated(ident, ns, || { + (module.0.0.lazy_resolutions.borrow().len() + 1).try_into().unwrap() + }); self.update_resolution(module, key, warn_ambiguity, |this, resolution| { if let Some(old_binding) = resolution.best_binding() { if res == Res::Err && old_binding.res() != Res::Err { @@ -383,7 +390,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { (old_glob @ true, false) | (old_glob @ false, true) => { let (glob_binding, non_glob_binding) = if old_glob { (old_binding, binding) } else { (binding, old_binding) }; - if key.ns == MacroNS + if ns == MacroNS && non_glob_binding.expansion != LocalExpnId::ROOT && glob_binding.res() != non_glob_binding.res() { @@ -489,10 +496,10 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { }; if self.is_accessible_from(binding.vis, scope) { let imported_binding = self.import(binding, *import); - let key = BindingKey { ident, ..key }; let _ = self.try_define( import.parent_scope.module, - key, + ident, + key.ns, imported_binding, warn_ambiguity, ); @@ -514,11 +521,15 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { let dummy_binding = self.dummy_binding; let dummy_binding = self.import(dummy_binding, import); self.per_ns(|this, ns| { - let key = BindingKey::new(target, ns); - let _ = this.try_define(import.parent_scope.module, key, dummy_binding, false); - this.update_resolution(import.parent_scope.module, key, false, |_, resolution| { - resolution.single_imports.swap_remove(&import); - }) + let module = import.parent_scope.module; + let _ = this.try_define(module, target, ns, dummy_binding, false); + // Don't remove underscores from `single_imports`, they were never added. + if target.name != kw::Underscore { + let key = BindingKey::new(target, ns); + this.update_resolution(module, key, false, |_, resolution| { + resolution.single_imports.swap_remove(&import); + }) + } }); self.record_use(target, dummy_binding, Used::Other); } else if import.imported_module.get().is_none() { @@ -895,7 +906,7 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { PendingBinding::Ready(Some(imported_binding)) } Err(Determinacy::Determined) => { - // Don't update the resolution for underscores, because it was never added. + // Don't remove underscores from `single_imports`, they were never added. if target.name != kw::Underscore { let key = BindingKey::new(target, ns); this.update_resolution(parent, key, false, |_, resolution| { @@ -1510,7 +1521,8 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { .is_some_and(|binding| binding.warn_ambiguity_recursive()); let _ = self.try_define( import.parent_scope.module, - key, + key.ident, + key.ns, imported_binding, warn_ambiguity, ); diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 753b9365cd8..93cec8daa5a 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -2899,9 +2899,21 @@ impl<'a, 'ast, 'ra, 'tcx> LateResolutionVisitor<'a, 'ast, 'ra, 'tcx> { } if param.ident.name == kw::UnderscoreLifetime { + // To avoid emitting two similar errors, + // we need to check if the span is a raw underscore lifetime, see issue #143152 + let is_raw_underscore_lifetime = self + .r + .tcx + .sess + .psess + .raw_identifier_spans + .iter() + .any(|span| span == param.span()); + self.r .dcx() - .emit_err(errors::UnderscoreLifetimeIsReserved { span: param.ident.span }); + .create_err(errors::UnderscoreLifetimeIsReserved { span: param.ident.span }) + .emit_unless(is_raw_underscore_lifetime); // Record lifetime res, so lowering knows there is something fishy. self.record_lifetime_param(param.id, LifetimeRes::Error); continue; diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index dae30b77ec1..f38fee8dea5 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -532,15 +532,26 @@ struct BindingKey { /// identifier. ident: Ident, ns: Namespace, - /// 0 if ident is not `_`, otherwise a value that's unique to the specific - /// `_` in the expanded AST that introduced this binding. + /// When we add an underscore binding (with ident `_`) to some module, this field has + /// a non-zero value that uniquely identifies this binding in that module. + /// For non-underscore bindings this field is zero. + /// When a key is constructed for name lookup (as opposed to name definition), this field is + /// also zero, even for underscore names, so for underscores the lookup will never succeed. disambiguator: u32, } impl BindingKey { fn new(ident: Ident, ns: Namespace) -> Self { - let ident = ident.normalize_to_macros_2_0(); - BindingKey { ident, ns, disambiguator: 0 } + BindingKey { ident: ident.normalize_to_macros_2_0(), ns, disambiguator: 0 } + } + + fn new_disambiguated( + ident: Ident, + ns: Namespace, + disambiguator: impl FnOnce() -> u32, + ) -> BindingKey { + let disambiguator = if ident.name == kw::Underscore { disambiguator() } else { 0 }; + BindingKey { ident: ident.normalize_to_macros_2_0(), ns, disambiguator } } } @@ -1087,8 +1098,6 @@ pub struct Resolver<'ra, 'tcx> { extern_module_map: RefCell<FxIndexMap<DefId, Module<'ra>>>, binding_parent_modules: FxHashMap<NameBinding<'ra>, Module<'ra>>, - underscore_disambiguator: u32, - /// Maps glob imports to the names of items actually imported. glob_map: FxIndexMap<LocalDefId, FxIndexSet<Symbol>>, glob_error: Option<ErrorGuaranteed>, @@ -1501,7 +1510,6 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { extern_crate_map: Default::default(), module_children: Default::default(), trait_map: NodeMap::default(), - underscore_disambiguator: 0, empty_module, local_module_map, extern_module_map: Default::default(), @@ -1887,17 +1895,6 @@ impl<'ra, 'tcx> Resolver<'ra, 'tcx> { import_ids } - fn new_disambiguated_key(&mut self, ident: Ident, ns: Namespace) -> BindingKey { - let ident = ident.normalize_to_macros_2_0(); - let disambiguator = if ident.name == kw::Underscore { - self.underscore_disambiguator += 1; - self.underscore_disambiguator - } else { - 0 - }; - BindingKey { ident, ns, disambiguator } - } - fn resolutions(&mut self, module: Module<'ra>) -> &'ra Resolutions<'ra> { if module.populate_on_access.get() { module.populate_on_access.set(false); diff --git a/compiler/rustc_resolve/src/macros.rs b/compiler/rustc_resolve/src/macros.rs index 77ef7f56c09..0e8904a7dea 100644 --- a/compiler/rustc_resolve/src/macros.rs +++ b/compiler/rustc_resolve/src/macros.rs @@ -530,7 +530,7 @@ impl<'ra, 'tcx> ResolverExpand for Resolver<'ra, 'tcx> { target_trait.for_each_child(self, |this, ident, ns, _binding| { // FIXME: Adjust hygiene for idents from globs, like for glob imports. if let Some(overriding_keys) = this.impl_binding_keys.get(&impl_def_id) - && overriding_keys.contains(&BindingKey::new(ident.normalize_to_macros_2_0(), ns)) + && overriding_keys.contains(&BindingKey::new(ident, ns)) { // The name is overridden, do not produce it from the glob delegation. } else { diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index a91e2140fd4..d6215e1de04 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -1708,6 +1708,11 @@ impl RustcOptGroup { OptionKind::FlagMulti => options.optflagmulti(short_name, long_name, desc), }; } + + /// This is for diagnostics-only. + pub fn long_name(&self) -> &str { + self.long_name + } } pub fn make_opt( diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs index 626262c8442..2bdde2f887a 100644 --- a/compiler/rustc_session/src/options.rs +++ b/compiler/rustc_session/src/options.rs @@ -2256,6 +2256,8 @@ options! { environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`)"), has_thread_local: Option<bool> = (None, parse_opt_bool, [TRACKED], "explicitly enable the `cfg(target_thread_local)` directive"), + higher_ranked_assumptions: bool = (false, parse_bool, [TRACKED], + "allow deducing higher-ranked outlives assumptions from coroutines when proving auto traits"), hint_mostly_unused: bool = (false, parse_bool, [TRACKED], "hint that most of this crate will go unused, to minimize work for uncalled functions"), human_readable_cgu_names: bool = (false, parse_bool, [TRACKED], diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 7147f37efc1..d28a73bc139 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -840,6 +840,7 @@ symbols! { derive, derive_coerce_pointee, derive_const, + derive_const_issue: "118304", derive_default_enum, derive_smart_pointer, destruct, diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs index a9bf5eae445..6bcb7f6e093 100644 --- a/compiler/rustc_symbol_mangling/src/lib.rs +++ b/compiler/rustc_symbol_mangling/src/lib.rs @@ -180,7 +180,7 @@ fn compute_symbol_name<'tcx>( // FIXME(eddyb) Precompute a custom symbol name based on attributes. let attrs = if tcx.def_kind(def_id).has_codegen_attrs() { - tcx.codegen_fn_attrs(def_id) + &tcx.codegen_instance_attrs(instance.def) } else { CodegenFnAttrs::EMPTY }; diff --git a/compiler/rustc_trait_selection/src/infer.rs b/compiler/rustc_trait_selection/src/infer.rs index 0118321befb..7c6b7b14ecb 100644 --- a/compiler/rustc_trait_selection/src/infer.rs +++ b/compiler/rustc_trait_selection/src/infer.rs @@ -33,8 +33,8 @@ impl<'tcx> InferCtxt<'tcx> { let ty = self.resolve_vars_if_possible(ty); // FIXME(#132279): This should be removed as it causes us to incorrectly - // handle opaques in their defining scope. - if !self.next_trait_solver() && !(param_env, ty).has_infer() { + // handle opaques in their defining scope, and stalled coroutines. + if !self.next_trait_solver() && !(param_env, ty).has_infer() && !ty.has_coroutines() { return self.tcx.type_is_copy_modulo_regions(self.typing_env(param_env), ty); } diff --git a/compiler/rustc_trait_selection/src/regions.rs b/compiler/rustc_trait_selection/src/regions.rs index 068e90b00b8..2b33b8ac9f8 100644 --- a/compiler/rustc_trait_selection/src/regions.rs +++ b/compiler/rustc_trait_selection/src/regions.rs @@ -4,7 +4,7 @@ use rustc_infer::infer::{InferCtxt, RegionResolutionError}; use rustc_macros::extension; use rustc_middle::traits::ObligationCause; use rustc_middle::traits::query::NoSolution; -use rustc_middle::ty::{self, Ty}; +use rustc_middle::ty::{self, Ty, elaborate}; use crate::traits::ScrubbedTraitError; use crate::traits::outlives_bounds::InferCtxtExt; @@ -46,6 +46,11 @@ impl<'tcx> OutlivesEnvironment<'tcx> { } } + // FIXME(-Znext-trait-solver): Normalize these. + let higher_ranked_assumptions = infcx.take_registered_region_assumptions(); + let higher_ranked_assumptions = + elaborate::elaborate_outlives_assumptions(infcx.tcx, higher_ranked_assumptions); + // FIXME: This needs to be modified so that we normalize the known type // outlives obligations then elaborate them into their region/type components. // Otherwise, `<W<'a> as Mirror>::Assoc: 'b` will not imply `'a: 'b` even @@ -59,6 +64,7 @@ impl<'tcx> OutlivesEnvironment<'tcx> { assumed_wf_tys, disable_implied_bounds_hack, ), + higher_ranked_assumptions, ) } } diff --git a/compiler/rustc_trait_selection/src/solve.rs b/compiler/rustc_trait_selection/src/solve.rs index 5a5d16167d2..f58961683a9 100644 --- a/compiler/rustc_trait_selection/src/solve.rs +++ b/compiler/rustc_trait_selection/src/solve.rs @@ -7,7 +7,7 @@ mod normalize; mod select; pub(crate) use delegate::SolverDelegate; -pub use fulfill::{FulfillmentCtxt, NextSolverError}; +pub use fulfill::{FulfillmentCtxt, NextSolverError, StalledOnCoroutines}; pub(crate) use normalize::deeply_normalize_for_diagnostics; pub use normalize::{ deeply_normalize, deeply_normalize_with_skipped_universes, diff --git a/compiler/rustc_trait_selection/src/solve/delegate.rs b/compiler/rustc_trait_selection/src/solve/delegate.rs index 1a24254d57f..17429e15cce 100644 --- a/compiler/rustc_trait_selection/src/solve/delegate.rs +++ b/compiler/rustc_trait_selection/src/solve/delegate.rs @@ -206,14 +206,18 @@ impl<'tcx> rustc_next_trait_solver::delegate::SolverDelegate for SolverDelegate< .map(|obligations| obligations.into_iter().map(|obligation| obligation.as_goal()).collect()) } - fn make_deduplicated_outlives_constraints( - &self, - ) -> Vec<ty::OutlivesPredicate<'tcx, ty::GenericArg<'tcx>>> { + fn make_deduplicated_outlives_constraints(&self) -> Vec<ty::ArgOutlivesPredicate<'tcx>> { // Cannot use `take_registered_region_obligations` as we may compute the response // inside of a `probe` whenever we have multiple choices inside of the solver. let region_obligations = self.0.inner.borrow().region_obligations().to_owned(); + let region_assumptions = self.0.inner.borrow().region_assumptions().to_owned(); let region_constraints = self.0.with_region_constraints(|region_constraints| { - make_query_region_constraints(self.tcx, region_obligations, region_constraints) + make_query_region_constraints( + self.tcx, + region_obligations, + region_constraints, + region_assumptions, + ) }); let mut seen = FxHashSet::default(); diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index d56042a5ca2..3ce0f025512 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -10,7 +10,8 @@ use rustc_infer::traits::{ FromSolverError, PredicateObligation, PredicateObligations, TraitEngine, }; use rustc_middle::ty::{ - self, DelayedSet, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor, TypingMode, + self, DelayedSet, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, + TypingMode, }; use rustc_next_trait_solver::delegate::SolverDelegate as _; use rustc_next_trait_solver::solve::{ @@ -254,7 +255,7 @@ where &mut self, infcx: &InferCtxt<'tcx>, ) -> PredicateObligations<'tcx> { - let stalled_generators = match infcx.typing_mode() { + let stalled_coroutines = match infcx.typing_mode() { TypingMode::Analysis { defining_opaque_types_and_generators } => { defining_opaque_types_and_generators } @@ -264,7 +265,7 @@ where | TypingMode::PostAnalysis => return Default::default(), }; - if stalled_generators.is_empty() { + if stalled_coroutines.is_empty() { return Default::default(); } @@ -275,7 +276,7 @@ where .visit_proof_tree( obl.as_goal(), &mut StalledOnCoroutines { - stalled_generators, + stalled_coroutines, span: obl.cause.span, cache: Default::default(), }, @@ -297,10 +298,10 @@ where /// /// This function can be also return false positives, which will lead to poor diagnostics /// so we want to keep this visitor *precise* too. -struct StalledOnCoroutines<'tcx> { - stalled_generators: &'tcx ty::List<LocalDefId>, - span: Span, - cache: DelayedSet<Ty<'tcx>>, +pub struct StalledOnCoroutines<'tcx> { + pub stalled_coroutines: &'tcx ty::List<LocalDefId>, + pub span: Span, + pub cache: DelayedSet<Ty<'tcx>>, } impl<'tcx> inspect::ProofTreeVisitor<'tcx> for StalledOnCoroutines<'tcx> { @@ -330,12 +331,14 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for StalledOnCoroutines<'tcx> { } if let ty::CoroutineWitness(def_id, _) = *ty.kind() - && def_id.as_local().is_some_and(|def_id| self.stalled_generators.contains(&def_id)) + && def_id.as_local().is_some_and(|def_id| self.stalled_coroutines.contains(&def_id)) { - return ControlFlow::Break(()); + ControlFlow::Break(()) + } else if ty.has_coroutines() { + ty.super_visit_with(self) + } else { + ControlFlow::Continue(()) } - - ty.super_visit_with(self) } } diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index ce5a4edeaaa..f50f01a285b 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -461,6 +461,7 @@ fn impl_intersection_has_negative_obligation( // requirements, when proving the negated where clauses below. drop(equate_obligations); drop(infcx.take_registered_region_obligations()); + drop(infcx.take_registered_region_assumptions()); drop(infcx.take_and_reset_region_constraints()); plug_infer_with_placeholders( diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 2b5a41ef5a7..e35f89358e9 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -3,6 +3,7 @@ use std::marker::PhantomData; use rustc_data_structures::obligation_forest::{ Error, ForestObligation, ObligationForest, ObligationProcessor, Outcome, ProcessResult, }; +use rustc_hir::def_id::LocalDefId; use rustc_infer::infer::DefineOpaqueTypes; use rustc_infer::traits::{ FromSolverError, PolyTraitObligation, PredicateObligations, ProjectionCacheKey, SelectionError, @@ -12,8 +13,10 @@ use rustc_middle::bug; use rustc_middle::ty::abstract_const::NotConstEvaluatable; use rustc_middle::ty::error::{ExpectedFound, TypeError}; use rustc_middle::ty::{ - self, Binder, Const, GenericArgsRef, TypeVisitableExt, TypingMode, may_use_unstable_feature, + self, Binder, Const, GenericArgsRef, TypeVisitable, TypeVisitableExt, TypingMode, + may_use_unstable_feature, }; +use rustc_span::DUMMY_SP; use thin_vec::{ThinVec, thin_vec}; use tracing::{debug, debug_span, instrument}; @@ -26,6 +29,7 @@ use super::{ }; use crate::error_reporting::InferCtxtErrorExt; use crate::infer::{InferCtxt, TyOrConstInferVar}; +use crate::solve::StalledOnCoroutines; use crate::traits::normalize::normalize_with_depth_to; use crate::traits::project::{PolyProjectionObligation, ProjectionCacheKeyExt as _}; use crate::traits::query::evaluate_obligation::InferCtxtExt; @@ -168,8 +172,25 @@ where &mut self, infcx: &InferCtxt<'tcx>, ) -> PredicateObligations<'tcx> { - let mut processor = - DrainProcessor { removed_predicates: PredicateObligations::new(), infcx }; + let stalled_coroutines = match infcx.typing_mode() { + TypingMode::Analysis { defining_opaque_types_and_generators } => { + defining_opaque_types_and_generators + } + TypingMode::Coherence + | TypingMode::Borrowck { defining_opaque_types: _ } + | TypingMode::PostBorrowckAnalysis { defined_opaque_types: _ } + | TypingMode::PostAnalysis => return Default::default(), + }; + + if stalled_coroutines.is_empty() { + return Default::default(); + } + + let mut processor = DrainProcessor { + infcx, + removed_predicates: PredicateObligations::new(), + stalled_coroutines, + }; let outcome: Outcome<_, _> = self.predicates.process_obligations(&mut processor); assert!(outcome.errors.is_empty()); return processor.removed_predicates; @@ -177,6 +198,7 @@ where struct DrainProcessor<'a, 'tcx> { infcx: &'a InferCtxt<'tcx>, removed_predicates: PredicateObligations<'tcx>, + stalled_coroutines: &'tcx ty::List<LocalDefId>, } impl<'tcx> ObligationProcessor for DrainProcessor<'_, 'tcx> { @@ -185,10 +207,14 @@ where type OUT = Outcome<Self::Obligation, Self::Error>; fn needs_process_obligation(&self, pending_obligation: &Self::Obligation) -> bool { - pending_obligation - .stalled_on - .iter() - .any(|&var| self.infcx.ty_or_const_infer_var_changed(var)) + self.infcx + .resolve_vars_if_possible(pending_obligation.obligation.predicate) + .visit_with(&mut StalledOnCoroutines { + stalled_coroutines: self.stalled_coroutines, + span: DUMMY_SP, + cache: Default::default(), + }) + .is_break() } fn process_obligation( diff --git a/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs index 59d3ac21387..53518038f8d 100644 --- a/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs @@ -78,7 +78,10 @@ fn implied_outlives_bounds<'a, 'tcx>( bounds.retain(|bound| !bound.has_placeholders()); if !constraints.is_empty() { - let QueryRegionConstraints { outlives } = constraints; + // FIXME(higher_ranked_auto): Should we register assumptions here? + // We otherwise would get spurious errors if normalizing an implied + // outlives bound required proving some higher-ranked coroutine obl. + let QueryRegionConstraints { outlives, assumptions: _ } = constraints; let cause = ObligationCause::misc(span, body_id); for &(predicate, _) in &outlives { infcx.register_outlives_constraint(predicate, &cause); diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs index 3b549244431..f027ba1c5cb 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/custom.rs @@ -80,6 +80,11 @@ where pre_obligations.is_empty(), "scrape_region_constraints: incoming region obligations = {pre_obligations:#?}", ); + let pre_assumptions = infcx.take_registered_region_assumptions(); + assert!( + pre_assumptions.is_empty(), + "scrape_region_constraints: incoming region assumptions = {pre_assumptions:#?}", + ); let value = infcx.commit_if_ok(|_| { let ocx = ObligationCtxt::new(infcx); @@ -100,11 +105,13 @@ where let value = infcx.resolve_vars_if_possible(value); let region_obligations = infcx.take_registered_region_obligations(); + let region_assumptions = infcx.take_registered_region_assumptions(); let region_constraint_data = infcx.take_and_reset_region_constraints(); let region_constraints = query_response::make_query_region_constraints( infcx.tcx, region_obligations, ®ion_constraint_data, + region_assumptions, ); if region_constraints.is_empty() { diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs index 4bdf04311a0..018e9748cf0 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/mod.rs @@ -180,8 +180,9 @@ where span, )?; output.error_info = error_info; - if let Some(QueryRegionConstraints { outlives }) = output.constraints { + if let Some(QueryRegionConstraints { outlives, assumptions }) = output.constraints { region_constraints.outlives.extend(outlives.iter().cloned()); + region_constraints.assumptions.extend(assumptions.iter().cloned()); } output.constraints = if region_constraints.is_empty() { None diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index cc188a280aa..2c7089507a8 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -842,6 +842,14 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } } + ty::CoroutineWitness(def_id, _) => { + if self.should_stall_coroutine_witness(def_id) { + candidates.ambiguous = true; + } else { + candidates.vec.push(AutoImplCandidate); + } + } + ty::Bool | ty::Char | ty::Int(_) @@ -861,7 +869,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { | ty::Coroutine(..) | ty::Never | ty::Tuple(_) - | ty::CoroutineWitness(..) | ty::UnsafeBinder(_) => { // Only consider auto impls of unsafe traits when there are // no unsafe fields. @@ -1119,12 +1126,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { match *self_ty.kind() { // These impls are built-in because we cannot express sufficiently // generic impls in libcore. - ty::FnDef(..) - | ty::FnPtr(..) - | ty::Error(_) - | ty::Tuple(..) - | ty::CoroutineWitness(..) - | ty::Pat(..) => { + ty::FnDef(..) | ty::FnPtr(..) | ty::Error(_) | ty::Tuple(..) | ty::Pat(..) => { candidates.vec.push(BuiltinCandidate); } @@ -1192,6 +1194,14 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } } + ty::CoroutineWitness(coroutine_def_id, _) => { + if self.should_stall_coroutine_witness(coroutine_def_id) { + candidates.ambiguous = true; + } else { + candidates.vec.push(SizedCandidate); + } + } + // Fallback to whatever user-defined impls or param-env clauses exist in this case. ty::Adt(..) | ty::Alias(..) | ty::Param(..) | ty::Placeholder(..) => {} @@ -1229,7 +1239,6 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { | ty::Char | ty::Ref(..) | ty::Coroutine(..) - | ty::CoroutineWitness(..) | ty::Array(..) | ty::Closure(..) | ty::CoroutineClosure(..) @@ -1238,6 +1247,14 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { candidates.vec.push(SizedCandidate); } + ty::CoroutineWitness(coroutine_def_id, _) => { + if self.should_stall_coroutine_witness(coroutine_def_id) { + candidates.ambiguous = true; + } else { + candidates.vec.push(SizedCandidate); + } + } + // Conditionally `Sized`. ty::Tuple(..) | ty::Pat(..) | ty::Adt(..) | ty::UnsafeBinder(_) => { candidates.vec.push(SizedCandidate); diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index ee8cef20279..488094b15ac 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -411,18 +411,33 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { obligation.predicate.self_ty().map_bound(|ty| self.infcx.shallow_resolve(ty)); let self_ty = self.infcx.enter_forall_and_leak_universe(self_ty); - let types = self.constituent_types_for_ty(self_ty)?; - let types = self.infcx.enter_forall_and_leak_universe(types); + let constituents = self.constituent_types_for_auto_trait(self_ty)?; + let constituents = self.infcx.enter_forall_and_leak_universe(constituents); let cause = obligation.derived_cause(ObligationCauseCode::BuiltinDerived); - let obligations = self.collect_predicates_for_types( + let mut obligations = self.collect_predicates_for_types( obligation.param_env, - cause, + cause.clone(), obligation.recursion_depth + 1, obligation.predicate.def_id(), - types, + constituents.types, ); + // FIXME(coroutine_clone): We could uplift this into `collect_predicates_for_types` + // and do this for `Copy`/`Clone` too, but that's feature-gated so it doesn't really + // matter yet. + for assumption in constituents.assumptions { + let assumption = normalize_with_depth_to( + self, + obligation.param_env, + cause.clone(), + obligation.recursion_depth + 1, + assumption, + &mut obligations, + ); + self.infcx.register_region_assumption(assumption); + } + Ok(obligations) }) } diff --git a/compiler/rustc_trait_selection/src/traits/select/mod.rs b/compiler/rustc_trait_selection/src/traits/select/mod.rs index 10bcf861d35..2b563c5b8d5 100644 --- a/compiler/rustc_trait_selection/src/traits/select/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/select/mod.rs @@ -20,6 +20,7 @@ use rustc_infer::infer::DefineOpaqueTypes; use rustc_infer::infer::at::ToTrace; use rustc_infer::infer::relate::TypeRelation; use rustc_infer::traits::{PredicateObligations, TraitObligation}; +use rustc_macros::{TypeFoldable, TypeVisitable}; use rustc_middle::bug; use rustc_middle::dep_graph::{DepNodeIndex, dep_kinds}; pub use rustc_middle::traits::select::*; @@ -1512,7 +1513,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { defining_opaque_types_and_generators: defining_opaque_types, } | TypingMode::Borrowck { defining_opaque_types } => { - defining_opaque_types.is_empty() || !pred.has_opaque_types() + defining_opaque_types.is_empty() + || (!pred.has_opaque_types() && !pred.has_coroutines()) } // The hidden types of `defined_opaque_types` is not local to the current // inference context, so we can freely move this to the global cache. @@ -2255,10 +2257,10 @@ impl<'tcx> SelectionContext<'_, 'tcx> { /// Zed<i32> where enum Zed { A(T), B(u32) } -> [i32, u32] /// ``` #[instrument(level = "debug", skip(self), ret)] - fn constituent_types_for_ty( + fn constituent_types_for_auto_trait( &self, t: Ty<'tcx>, - ) -> Result<ty::Binder<'tcx, Vec<Ty<'tcx>>>, SelectionError<'tcx>> { + ) -> Result<ty::Binder<'tcx, AutoImplConstituents<'tcx>>, SelectionError<'tcx>> { Ok(match *t.kind() { ty::Uint(_) | ty::Int(_) @@ -2269,17 +2271,26 @@ impl<'tcx> SelectionContext<'_, 'tcx> { | ty::Error(_) | ty::Infer(ty::IntVar(_) | ty::FloatVar(_)) | ty::Never - | ty::Char => ty::Binder::dummy(Vec::new()), + | ty::Char => { + ty::Binder::dummy(AutoImplConstituents { types: vec![], assumptions: vec![] }) + } // This branch is only for `experimental_default_bounds`. // Other foreign types were rejected earlier in // `assemble_candidates_from_auto_impls`. - ty::Foreign(..) => ty::Binder::dummy(Vec::new()), + ty::Foreign(..) => { + ty::Binder::dummy(AutoImplConstituents { types: vec![], assumptions: vec![] }) + } - ty::UnsafeBinder(ty) => ty.map_bound(|ty| vec![ty]), + ty::UnsafeBinder(ty) => { + ty.map_bound(|ty| AutoImplConstituents { types: vec![ty], assumptions: vec![] }) + } // Treat this like `struct str([u8]);` - ty::Str => ty::Binder::dummy(vec![Ty::new_slice(self.tcx(), self.tcx().types.u8)]), + ty::Str => ty::Binder::dummy(AutoImplConstituents { + types: vec![Ty::new_slice(self.tcx(), self.tcx().types.u8)], + assumptions: vec![], + }), ty::Placeholder(..) | ty::Dynamic(..) @@ -2291,30 +2302,41 @@ impl<'tcx> SelectionContext<'_, 'tcx> { } ty::RawPtr(element_ty, _) | ty::Ref(_, element_ty, _) => { - ty::Binder::dummy(vec![element_ty]) + ty::Binder::dummy(AutoImplConstituents { + types: vec![element_ty], + assumptions: vec![], + }) } - ty::Pat(ty, _) | ty::Array(ty, _) | ty::Slice(ty) => ty::Binder::dummy(vec![ty]), + ty::Pat(ty, _) | ty::Array(ty, _) | ty::Slice(ty) => { + ty::Binder::dummy(AutoImplConstituents { types: vec![ty], assumptions: vec![] }) + } ty::Tuple(tys) => { // (T1, ..., Tn) -- meets any bound that all of T1...Tn meet - ty::Binder::dummy(tys.iter().collect()) + ty::Binder::dummy(AutoImplConstituents { + types: tys.iter().collect(), + assumptions: vec![], + }) } ty::Closure(_, args) => { let ty = self.infcx.shallow_resolve(args.as_closure().tupled_upvars_ty()); - ty::Binder::dummy(vec![ty]) + ty::Binder::dummy(AutoImplConstituents { types: vec![ty], assumptions: vec![] }) } ty::CoroutineClosure(_, args) => { let ty = self.infcx.shallow_resolve(args.as_coroutine_closure().tupled_upvars_ty()); - ty::Binder::dummy(vec![ty]) + ty::Binder::dummy(AutoImplConstituents { types: vec![ty], assumptions: vec![] }) } ty::Coroutine(_, args) => { let ty = self.infcx.shallow_resolve(args.as_coroutine().tupled_upvars_ty()); let witness = args.as_coroutine().witness(); - ty::Binder::dummy([ty].into_iter().chain(iter::once(witness)).collect()) + ty::Binder::dummy(AutoImplConstituents { + types: [ty].into_iter().chain(iter::once(witness)).collect(), + assumptions: vec![], + }) } ty::CoroutineWitness(def_id, args) => self @@ -2322,16 +2344,23 @@ impl<'tcx> SelectionContext<'_, 'tcx> { .tcx .coroutine_hidden_types(def_id) .instantiate(self.infcx.tcx, args) - .map_bound(|witness| witness.types.to_vec()), + .map_bound(|witness| AutoImplConstituents { + types: witness.types.to_vec(), + assumptions: witness.assumptions.to_vec(), + }), // For `PhantomData<T>`, we pass `T`. ty::Adt(def, args) if def.is_phantom_data() => { - ty::Binder::dummy(args.types().collect()) + ty::Binder::dummy(AutoImplConstituents { + types: args.types().collect(), + assumptions: vec![], + }) } - ty::Adt(def, args) => { - ty::Binder::dummy(def.all_fields().map(|f| f.ty(self.tcx(), args)).collect()) - } + ty::Adt(def, args) => ty::Binder::dummy(AutoImplConstituents { + types: def.all_fields().map(|f| f.ty(self.tcx(), args)).collect(), + assumptions: vec![], + }), ty::Alias(ty::Opaque, ty::AliasTy { def_id, args, .. }) => { if self.infcx.can_define_opaque_ty(def_id) { @@ -2341,7 +2370,10 @@ impl<'tcx> SelectionContext<'_, 'tcx> { // which enforces a DAG between the functions requiring // the auto trait bounds in question. match self.tcx().type_of_opaque(def_id) { - Ok(ty) => ty::Binder::dummy(vec![ty.instantiate(self.tcx(), args)]), + Ok(ty) => ty::Binder::dummy(AutoImplConstituents { + types: vec![ty.instantiate(self.tcx(), args)], + assumptions: vec![], + }), Err(_) => { return Err(SelectionError::OpaqueTypeAutoTraitLeakageUnknown(def_id)); } @@ -2811,6 +2843,18 @@ impl<'tcx> SelectionContext<'_, 'tcx> { obligations } + + fn should_stall_coroutine_witness(&self, def_id: DefId) -> bool { + match self.infcx.typing_mode() { + TypingMode::Analysis { defining_opaque_types_and_generators: stalled_generators } => { + def_id.as_local().is_some_and(|def_id| stalled_generators.contains(&def_id)) + } + TypingMode::Coherence + | TypingMode::PostAnalysis + | TypingMode::Borrowck { defining_opaque_types: _ } + | TypingMode::PostBorrowckAnalysis { defined_opaque_types: _ } => false, + } + } } impl<'o, 'tcx> TraitObligationStack<'o, 'tcx> { @@ -3121,3 +3165,9 @@ pub(crate) enum ProjectionMatchesProjection { Ambiguous, No, } + +#[derive(Clone, Debug, TypeFoldable, TypeVisitable)] +pub(crate) struct AutoImplConstituents<'tcx> { + pub types: Vec<Ty<'tcx>>, + pub assumptions: Vec<ty::ArgOutlivesPredicate<'tcx>>, +} diff --git a/compiler/rustc_traits/src/coroutine_witnesses.rs b/compiler/rustc_traits/src/coroutine_witnesses.rs index 447e13126cc..87d17f3e131 100644 --- a/compiler/rustc_traits/src/coroutine_witnesses.rs +++ b/compiler/rustc_traits/src/coroutine_witnesses.rs @@ -1,5 +1,10 @@ use rustc_hir::def_id::DefId; -use rustc_middle::ty::{self, TyCtxt, fold_regions}; +use rustc_infer::infer::TyCtxtInferExt; +use rustc_infer::infer::canonical::query_response::make_query_region_constraints; +use rustc_infer::infer::resolve::OpportunisticRegionResolver; +use rustc_infer::traits::{Obligation, ObligationCause}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeFoldable, TypeVisitableExt, fold_regions}; +use rustc_trait_selection::traits::{ObligationCtxt, with_replaced_escaping_bound_vars}; /// Return the set of types that should be taken into account when checking /// trait bounds on a coroutine's internal state. This properly replaces @@ -30,8 +35,57 @@ pub(crate) fn coroutine_hidden_types<'tcx>( }), ); + let assumptions = compute_assumptions(tcx, def_id, bound_tys); + ty::EarlyBinder::bind(ty::Binder::bind_with_vars( - ty::CoroutineWitnessTypes { types: bound_tys }, + ty::CoroutineWitnessTypes { types: bound_tys, assumptions }, tcx.mk_bound_variable_kinds(&vars), )) } + +fn compute_assumptions<'tcx>( + tcx: TyCtxt<'tcx>, + def_id: DefId, + bound_tys: &'tcx ty::List<Ty<'tcx>>, +) -> &'tcx ty::List<ty::ArgOutlivesPredicate<'tcx>> { + let infcx = tcx.infer_ctxt().build(ty::TypingMode::Analysis { + defining_opaque_types_and_generators: ty::List::empty(), + }); + with_replaced_escaping_bound_vars(&infcx, &mut vec![None], bound_tys, |bound_tys| { + let param_env = tcx.param_env(def_id); + let ocx = ObligationCtxt::new(&infcx); + + ocx.register_obligations(bound_tys.iter().map(|ty| { + Obligation::new( + tcx, + ObligationCause::dummy(), + param_env, + ty::ClauseKind::WellFormed(ty.into()), + ) + })); + let _errors = ocx.select_all_or_error(); + + let region_obligations = infcx.take_registered_region_obligations(); + let region_assumptions = infcx.take_registered_region_assumptions(); + let region_constraints = infcx.take_and_reset_region_constraints(); + + let outlives = make_query_region_constraints( + tcx, + region_obligations, + ®ion_constraints, + region_assumptions, + ) + .outlives + .fold_with(&mut OpportunisticRegionResolver::new(&infcx)); + + tcx.mk_outlives_from_iter( + outlives + .into_iter() + .map(|(o, _)| o) + // FIXME(higher_ranked_auto): We probably should deeply resolve these before + // filtering out infers which only correspond to unconstrained infer regions + // which we can sometimes get. + .filter(|o| !o.has_infer()), + ) + }) +} diff --git a/compiler/rustc_type_ir/src/elaborate.rs b/compiler/rustc_type_ir/src/elaborate.rs index 38008248757..dc15cc3eb55 100644 --- a/compiler/rustc_type_ir/src/elaborate.rs +++ b/compiler/rustc_type_ir/src/elaborate.rs @@ -371,3 +371,54 @@ impl<I: Interner, It: Iterator<Item = I::Clause>> Iterator for FilterToTraits<I, (0, upper) } } + +pub fn elaborate_outlives_assumptions<I: Interner>( + cx: I, + assumptions: impl IntoIterator<Item = ty::OutlivesPredicate<I, I::GenericArg>>, +) -> HashSet<ty::OutlivesPredicate<I, I::GenericArg>> { + let mut collected = HashSet::default(); + + for ty::OutlivesPredicate(arg1, r2) in assumptions { + collected.insert(ty::OutlivesPredicate(arg1, r2)); + match arg1.kind() { + // Elaborate the components of an type, since we may have substituted a + // generic coroutine with a more specific type. + ty::GenericArgKind::Type(ty1) => { + let mut components = smallvec![]; + push_outlives_components(cx, ty1, &mut components); + for c in components { + match c { + Component::Region(r1) => { + if !r1.is_bound() { + collected.insert(ty::OutlivesPredicate(r1.into(), r2)); + } + } + + Component::Param(p) => { + let ty = Ty::new_param(cx, p); + collected.insert(ty::OutlivesPredicate(ty.into(), r2)); + } + + Component::Placeholder(p) => { + let ty = Ty::new_placeholder(cx, p); + collected.insert(ty::OutlivesPredicate(ty.into(), r2)); + } + + Component::Alias(alias_ty) => { + collected.insert(ty::OutlivesPredicate(alias_ty.to_ty(cx).into(), r2)); + } + + Component::UnresolvedInferenceVariable(_) | Component::EscapingAlias(_) => { + } + } + } + } + // Nothing to elaborate for a region. + ty::GenericArgKind::Lifetime(_) => {} + // Consts don't really participate in outlives. + ty::GenericArgKind::Const(_) => {} + } + } + + collected +} diff --git a/compiler/rustc_type_ir/src/flags.rs b/compiler/rustc_type_ir/src/flags.rs index a231908f874..d7b9e0ca340 100644 --- a/compiler/rustc_type_ir/src/flags.rs +++ b/compiler/rustc_type_ir/src/flags.rs @@ -130,6 +130,12 @@ bitflags::bitflags! { /// Does this have any binders with bound vars (e.g. that need to be anonymized)? const HAS_BINDER_VARS = 1 << 23; + + /// Does this type have any coroutine witnesses in it? + // FIXME: This should probably be changed to track whether the type has any + // *coroutines* in it, though this will happen if we remove coroutine witnesses + // altogether. + const HAS_TY_CORO = 1 << 24; } } @@ -240,10 +246,12 @@ impl<I: Interner> FlagComputation<I> { self.add_flags(TypeFlags::HAS_TY_PARAM); } - ty::Closure(_, args) - | ty::Coroutine(_, args) - | ty::CoroutineClosure(_, args) - | ty::CoroutineWitness(_, args) => { + ty::Closure(_, args) | ty::Coroutine(_, args) | ty::CoroutineClosure(_, args) => { + self.add_args(args.as_slice()); + } + + ty::CoroutineWitness(_, args) => { + self.add_flags(TypeFlags::HAS_TY_CORO); self.add_args(args.as_slice()); } diff --git a/compiler/rustc_type_ir/src/interner.rs b/compiler/rustc_type_ir/src/interner.rs index 0ec326d2116..e3231244577 100644 --- a/compiler/rustc_type_ir/src/interner.rs +++ b/compiler/rustc_type_ir/src/interner.rs @@ -146,6 +146,13 @@ pub trait Interner: type BoundRegion: BoundVarLike<Self>; type PlaceholderRegion: PlaceholderLike<Self, Bound = Self::BoundRegion>; + type RegionAssumptions: Copy + + Debug + + Hash + + Eq + + SliceLike<Item = ty::OutlivesPredicate<Self, Self::GenericArg>> + + TypeFoldable<Self>; + // Predicates type ParamEnv: ParamEnv<Self>; type Predicate: Predicate<Self>; diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index db6fbefcf05..7c665424750 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -1150,4 +1150,5 @@ pub struct FnHeader<I: Interner> { #[derive(TypeVisitable_Generic, TypeFoldable_Generic, Lift_Generic)] pub struct CoroutineWitnessTypes<I: Interner> { pub types: I::Tys, + pub assumptions: I::RegionAssumptions, } diff --git a/compiler/rustc_type_ir/src/visit.rs b/compiler/rustc_type_ir/src/visit.rs index a96ac97f785..5104484e9c4 100644 --- a/compiler/rustc_type_ir/src/visit.rs +++ b/compiler/rustc_type_ir/src/visit.rs @@ -269,6 +269,10 @@ pub trait TypeVisitableExt<I: Interner>: TypeVisitable<I> { self.has_type_flags(TypeFlags::HAS_TY_OPAQUE) } + fn has_coroutines(&self) -> bool { + self.has_type_flags(TypeFlags::HAS_TY_CORO) + } + fn references_error(&self) -> bool { self.has_type_flags(TypeFlags::HAS_ERROR) } diff --git a/library/alloc/src/fmt.rs b/library/alloc/src/fmt.rs index 30f42050ac8..d0ba9c39886 100644 --- a/library/alloc/src/fmt.rs +++ b/library/alloc/src/fmt.rs @@ -348,13 +348,13 @@ //! format := '{' [ argument ] [ ':' format_spec ] [ ws ] * '}' //! argument := integer | identifier //! -//! format_spec := [[fill]align][sign]['#']['0'][width]['.' precision]type +//! format_spec := [[fill]align][sign]['#']['0'][width]['.' precision][type] //! fill := character //! align := '<' | '^' | '>' //! sign := '+' | '-' //! width := count //! precision := count | '*' -//! type := '' | '?' | 'x?' | 'X?' | identifier +//! type := '?' | 'x?' | 'X?' | identifier //! count := parameter | integer //! parameter := argument '$' //! ``` diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs index 03b120fbf0c..6419ae99113 100644 --- a/library/core/src/cmp.rs +++ b/library/core/src/cmp.rs @@ -381,7 +381,8 @@ pub struct AssertParamIsEq<T: Eq + PointeeSized> { /// /// assert_eq!(2.cmp(&1), Ordering::Greater); /// ``` -#[derive(Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Hash)] +#[derive(Clone, Copy, Eq, PartialOrd, Ord, Debug, Hash)] +#[derive_const(PartialEq)] #[stable(feature = "rust1", since = "1.0.0")] // This is a lang item only so that `BinOp::Cmp` in MIR can return it. // It has no special behavior, but does require that the three variants diff --git a/library/core/src/cmp/bytewise.rs b/library/core/src/cmp/bytewise.rs index a06a5227fe2..7d61c9345ec 100644 --- a/library/core/src/cmp/bytewise.rs +++ b/library/core/src/cmp/bytewise.rs @@ -17,11 +17,15 @@ use crate::num::NonZero; /// - Neither `Self` nor `Rhs` have provenance, so integer comparisons are correct. /// - `<Self as PartialEq<Rhs>>::{eq,ne}` are equivalent to comparing the bytes. #[rustc_specialization_trait] -pub(crate) unsafe trait BytewiseEq<Rhs = Self>: PartialEq<Rhs> + Sized {} +#[const_trait] +pub(crate) unsafe trait BytewiseEq<Rhs = Self>: + ~const PartialEq<Rhs> + Sized +{ +} macro_rules! is_bytewise_comparable { ($($t:ty),+ $(,)?) => {$( - unsafe impl BytewiseEq for $t {} + unsafe impl const BytewiseEq for $t {} )+}; } diff --git a/library/core/src/intrinsics/mod.rs b/library/core/src/intrinsics/mod.rs index fa27acac217..f90e6851d1f 100644 --- a/library/core/src/intrinsics/mod.rs +++ b/library/core/src/intrinsics/mod.rs @@ -2208,6 +2208,7 @@ pub const unsafe fn raw_eq<T>(a: &T, b: &T) -> bool; /// [valid]: crate::ptr#safety #[rustc_nounwind] #[rustc_intrinsic] +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] pub const unsafe fn compare_bytes(left: *const u8, right: *const u8, bytes: usize) -> i32; /// See documentation of [`std::hint::black_box`] for details. diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index e08edde3b38..729de5ffc8f 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -103,6 +103,7 @@ #![feature(cfg_select)] #![feature(cfg_target_has_reliable_f16_f128)] #![feature(const_carrying_mul_add)] +#![feature(const_cmp)] #![feature(const_destruct)] #![feature(const_eval_select)] #![feature(core_intrinsics)] @@ -146,6 +147,7 @@ #![feature(const_trait_impl)] #![feature(decl_macro)] #![feature(deprecated_suggestion)] +#![feature(derive_const)] #![feature(doc_cfg)] #![feature(doc_cfg_hide)] #![feature(doc_notable_trait)] diff --git a/library/core/src/macros/mod.rs b/library/core/src/macros/mod.rs index 1b6dbc2f428..8ac6ce2242d 100644 --- a/library/core/src/macros/mod.rs +++ b/library/core/src/macros/mod.rs @@ -1615,7 +1615,7 @@ pub(crate) mod builtin { /// See [the reference] for more info. /// /// [the reference]: ../../../reference/attributes/derive.html - #[unstable(feature = "derive_const", issue = "none")] + #[unstable(feature = "derive_const", issue = "118304")] #[rustc_builtin_macro] pub macro derive_const($item:item) { /* compiler built-in */ diff --git a/library/core/src/num/nonzero.rs b/library/core/src/num/nonzero.rs index 11d50e0f89f..b8900c4113a 100644 --- a/library/core/src/num/nonzero.rs +++ b/library/core/src/num/nonzero.rs @@ -200,9 +200,10 @@ impl<T> UseCloned for NonZero<T> where T: ZeroablePrimitive {} impl<T> Copy for NonZero<T> where T: ZeroablePrimitive {} #[stable(feature = "nonzero", since = "1.28.0")] -impl<T> PartialEq for NonZero<T> +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] +impl<T> const PartialEq for NonZero<T> where - T: ZeroablePrimitive + PartialEq, + T: ZeroablePrimitive + ~const PartialEq, { #[inline] fn eq(&self, other: &Self) -> bool { diff --git a/library/core/src/option.rs b/library/core/src/option.rs index 9f432758a66..8036c59e893 100644 --- a/library/core/src/option.rs +++ b/library/core/src/option.rs @@ -577,6 +577,7 @@ #![stable(feature = "rust1", since = "1.0.0")] use crate::iter::{self, FusedIterator, TrustedLen}; +use crate::marker::Destruct; use crate::ops::{self, ControlFlow, Deref, DerefMut}; use crate::panicking::{panic, panic_display}; use crate::pin::Pin; @@ -649,7 +650,8 @@ impl<T> Option<T> { #[must_use] #[inline] #[stable(feature = "is_some_and", since = "1.70.0")] - pub fn is_some_and(self, f: impl FnOnce(T) -> bool) -> bool { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn is_some_and(self, f: impl ~const FnOnce(T) -> bool + ~const Destruct) -> bool { match self { None => false, Some(x) => f(x), @@ -697,7 +699,8 @@ impl<T> Option<T> { #[must_use] #[inline] #[stable(feature = "is_none_or", since = "1.82.0")] - pub fn is_none_or(self, f: impl FnOnce(T) -> bool) -> bool { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn is_none_or(self, f: impl ~const FnOnce(T) -> bool + ~const Destruct) -> bool { match self { None => true, Some(x) => f(x), @@ -1023,7 +1026,12 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn unwrap_or(self, default: T) -> T { + #[rustc_allow_const_fn_unstable(const_precise_live_drops)] + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn unwrap_or(self, default: T) -> T + where + T: ~const Destruct, + { match self { Some(x) => x, None => default, @@ -1042,9 +1050,10 @@ impl<T> Option<T> { #[inline] #[track_caller] #[stable(feature = "rust1", since = "1.0.0")] - pub fn unwrap_or_else<F>(self, f: F) -> T + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn unwrap_or_else<F>(self, f: F) -> T where - F: FnOnce() -> T, + F: ~const FnOnce() -> T + ~const Destruct, { match self { Some(x) => x, @@ -1073,9 +1082,10 @@ impl<T> Option<T> { /// [`FromStr`]: crate::str::FromStr #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn unwrap_or_default(self) -> T + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn unwrap_or_default(self) -> T where - T: Default, + T: ~const Default, { match self { Some(x) => x, @@ -1139,9 +1149,10 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn map<U, F>(self, f: F) -> Option<U> + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn map<U, F>(self, f: F) -> Option<U> where - F: FnOnce(T) -> U, + F: ~const FnOnce(T) -> U + ~const Destruct, { match self { Some(x) => Some(f(x)), @@ -1169,7 +1180,11 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "result_option_inspect", since = "1.76.0")] - pub fn inspect<F: FnOnce(&T)>(self, f: F) -> Self { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn inspect<F>(self, f: F) -> Self + where + F: ~const FnOnce(&T) + ~const Destruct, + { if let Some(ref x) = self { f(x); } @@ -1198,9 +1213,11 @@ impl<T> Option<T> { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[must_use = "if you don't need the returned value, use `if let` instead"] - pub fn map_or<U, F>(self, default: U, f: F) -> U + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn map_or<U, F>(self, default: U, f: F) -> U where - F: FnOnce(T) -> U, + F: ~const FnOnce(T) -> U + ~const Destruct, + U: ~const Destruct, { match self { Some(t) => f(t), @@ -1243,10 +1260,11 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn map_or_else<U, D, F>(self, default: D, f: F) -> U + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn map_or_else<U, D, F>(self, default: D, f: F) -> U where - D: FnOnce() -> U, - F: FnOnce(T) -> U, + D: ~const FnOnce() -> U + ~const Destruct, + F: ~const FnOnce(T) -> U + ~const Destruct, { match self { Some(t) => f(t), @@ -1273,10 +1291,11 @@ impl<T> Option<T> { /// [default value]: Default::default #[inline] #[unstable(feature = "result_option_map_or_default", issue = "138099")] - pub fn map_or_default<U, F>(self, f: F) -> U + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn map_or_default<U, F>(self, f: F) -> U where - U: Default, - F: FnOnce(T) -> U, + U: ~const Default, + F: ~const FnOnce(T) -> U + ~const Destruct, { match self { Some(t) => f(t), @@ -1307,7 +1326,8 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn ok_or<E>(self, err: E) -> Result<T, E> { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn ok_or<E: ~const Destruct>(self, err: E) -> Result<T, E> { match self { Some(v) => Ok(v), None => Err(err), @@ -1332,9 +1352,10 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn ok_or_else<E, F>(self, err: F) -> Result<T, E> + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn ok_or_else<E, F>(self, err: F) -> Result<T, E> where - F: FnOnce() -> E, + F: ~const FnOnce() -> E + ~const Destruct, { match self { Some(v) => Ok(v), @@ -1463,7 +1484,12 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn and<U>(self, optb: Option<U>) -> Option<U> { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn and<U>(self, optb: Option<U>) -> Option<U> + where + T: ~const Destruct, + U: ~const Destruct, + { match self { Some(_) => optb, None => None, @@ -1502,9 +1528,10 @@ impl<T> Option<T> { #[inline] #[stable(feature = "rust1", since = "1.0.0")] #[rustc_confusables("flat_map", "flatmap")] - pub fn and_then<U, F>(self, f: F) -> Option<U> + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn and_then<U, F>(self, f: F) -> Option<U> where - F: FnOnce(T) -> Option<U>, + F: ~const FnOnce(T) -> Option<U> + ~const Destruct, { match self { Some(x) => f(x), @@ -1538,9 +1565,11 @@ impl<T> Option<T> { /// [`Some(t)`]: Some #[inline] #[stable(feature = "option_filter", since = "1.27.0")] - pub fn filter<P>(self, predicate: P) -> Self + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn filter<P>(self, predicate: P) -> Self where - P: FnOnce(&T) -> bool, + P: ~const FnOnce(&T) -> bool + ~const Destruct, + T: ~const Destruct, { if let Some(x) = self { if predicate(&x) { @@ -1579,7 +1608,11 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn or(self, optb: Option<T>) -> Option<T> { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn or(self, optb: Option<T>) -> Option<T> + where + T: ~const Destruct, + { match self { x @ Some(_) => x, None => optb, @@ -1601,9 +1634,13 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "rust1", since = "1.0.0")] - pub fn or_else<F>(self, f: F) -> Option<T> + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn or_else<F>(self, f: F) -> Option<T> where - F: FnOnce() -> Option<T>, + F: ~const FnOnce() -> Option<T> + ~const Destruct, + //FIXME(const_hack): this `T: ~const Destruct` is unnecessary, but even precise live drops can't tell + // no value of type `T` gets dropped here + T: ~const Destruct, { match self { x @ Some(_) => x, @@ -1634,7 +1671,11 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "option_xor", since = "1.37.0")] - pub fn xor(self, optb: Option<T>) -> Option<T> { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn xor(self, optb: Option<T>) -> Option<T> + where + T: ~const Destruct, + { match (self, optb) { (a @ Some(_), None) => a, (None, b @ Some(_)) => b, @@ -1668,7 +1709,11 @@ impl<T> Option<T> { #[must_use = "if you intended to set a value, consider assignment instead"] #[inline] #[stable(feature = "option_insert", since = "1.53.0")] - pub fn insert(&mut self, value: T) -> &mut T { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn insert(&mut self, value: T) -> &mut T + where + T: ~const Destruct, + { *self = Some(value); // SAFETY: the code above just filled the option @@ -1720,9 +1765,10 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "option_get_or_insert_default", since = "1.83.0")] - pub fn get_or_insert_default(&mut self) -> &mut T + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn get_or_insert_default(&mut self) -> &mut T where - T: Default, + T: ~const Default + ~const Destruct, { self.get_or_insert_with(T::default) } @@ -1746,9 +1792,11 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "option_entry", since = "1.20.0")] - pub fn get_or_insert_with<F>(&mut self, f: F) -> &mut T + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn get_or_insert_with<F>(&mut self, f: F) -> &mut T where - F: FnOnce() -> T, + F: ~const FnOnce() -> T + ~const Destruct, + T: ~const Destruct, { if let None = self { *self = Some(f()); @@ -1812,9 +1860,10 @@ impl<T> Option<T> { /// ``` #[inline] #[stable(feature = "option_take_if", since = "1.80.0")] - pub fn take_if<P>(&mut self, predicate: P) -> Option<T> + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn take_if<P>(&mut self, predicate: P) -> Option<T> where - P: FnOnce(&mut T) -> bool, + P: ~const FnOnce(&mut T) -> bool + ~const Destruct, { if self.as_mut().map_or(false, predicate) { self.take() } else { None } } @@ -1859,7 +1908,12 @@ impl<T> Option<T> { /// assert_eq!(x.zip(z), None); /// ``` #[stable(feature = "option_zip_option", since = "1.46.0")] - pub fn zip<U>(self, other: Option<U>) -> Option<(T, U)> { + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn zip<U>(self, other: Option<U>) -> Option<(T, U)> + where + T: ~const Destruct, + U: ~const Destruct, + { match (self, other) { (Some(a), Some(b)) => Some((a, b)), _ => None, @@ -1895,9 +1949,12 @@ impl<T> Option<T> { /// assert_eq!(x.zip_with(None, Point::new), None); /// ``` #[unstable(feature = "option_zip", issue = "70086")] - pub fn zip_with<U, F, R>(self, other: Option<U>, f: F) -> Option<R> + #[rustc_const_unstable(feature = "const_option_ops", issue = "143956")] + pub const fn zip_with<U, F, R>(self, other: Option<U>, f: F) -> Option<R> where - F: FnOnce(T, U) -> R, + F: ~const FnOnce(T, U) -> R + ~const Destruct, + T: ~const Destruct, + U: ~const Destruct, { match (self, other) { (Some(a), Some(b)) => Some(f(a, b)), @@ -2243,7 +2300,8 @@ impl<'a, T> From<&'a mut Option<T>> for Option<&'a mut T> { #[stable(feature = "rust1", since = "1.0.0")] impl<T> crate::marker::StructuralPartialEq for Option<T> {} #[stable(feature = "rust1", since = "1.0.0")] -impl<T: PartialEq> PartialEq for Option<T> { +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] +impl<T: ~const PartialEq> const PartialEq for Option<T> { #[inline] fn eq(&self, other: &Self) -> bool { // Spelling out the cases explicitly optimizes better than diff --git a/library/core/src/prelude/v1.rs b/library/core/src/prelude/v1.rs index 7b9e04920d5..a4be66b90ca 100644 --- a/library/core/src/prelude/v1.rs +++ b/library/core/src/prelude/v1.rs @@ -80,7 +80,7 @@ pub use crate::macros::builtin::{ alloc_error_handler, bench, derive, global_allocator, test, test_case, }; -#[unstable(feature = "derive_const", issue = "none")] +#[unstable(feature = "derive_const", issue = "118304")] pub use crate::macros::builtin::derive_const; #[unstable( diff --git a/library/core/src/slice/cmp.rs b/library/core/src/slice/cmp.rs index 5ce72b46eee..1eda8bc1bec 100644 --- a/library/core/src/slice/cmp.rs +++ b/library/core/src/slice/cmp.rs @@ -8,9 +8,10 @@ use crate::num::NonZero; use crate::ops::ControlFlow; #[stable(feature = "rust1", since = "1.0.0")] -impl<T, U> PartialEq<[U]> for [T] +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] +impl<T, U> const PartialEq<[U]> for [T] where - T: PartialEq<U>, + T: ~const PartialEq<U>, { fn eq(&self, other: &[U]) -> bool { SlicePartialEq::equal(self, other) @@ -94,6 +95,8 @@ impl<T: PartialOrd> PartialOrd for [T] { #[doc(hidden)] // intermediate trait for specialization of slice's PartialEq +#[const_trait] +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] trait SlicePartialEq<B> { fn equal(&self, other: &[B]) -> bool; @@ -103,9 +106,10 @@ trait SlicePartialEq<B> { } // Generic slice equality -impl<A, B> SlicePartialEq<B> for [A] +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] +impl<A, B> const SlicePartialEq<B> for [A] where - A: PartialEq<B>, + A: ~const PartialEq<B>, { default fn equal(&self, other: &[B]) -> bool { if self.len() != other.len() { @@ -115,11 +119,14 @@ where // Implemented as explicit indexing rather // than zipped iterators for performance reasons. // See PR https://github.com/rust-lang/rust/pull/116846 - for idx in 0..self.len() { + // FIXME(const_hack): make this a `for idx in 0..self.len()` loop. + let mut idx = 0; + while idx < self.len() { // bound checks are optimized away if self[idx] != other[idx] { return false; } + idx += 1; } true @@ -128,9 +135,10 @@ where // When each element can be compared byte-wise, we can compare all the bytes // from the whole size in one call to the intrinsics. -impl<A, B> SlicePartialEq<B> for [A] +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] +impl<A, B> const SlicePartialEq<B> for [A] where - A: BytewiseEq<B>, + A: ~const BytewiseEq<B>, { fn equal(&self, other: &[B]) -> bool { if self.len() != other.len() { diff --git a/library/core/src/str/traits.rs b/library/core/src/str/traits.rs index 42ffc591b5b..d0f2b9226bf 100644 --- a/library/core/src/str/traits.rs +++ b/library/core/src/str/traits.rs @@ -23,7 +23,8 @@ impl Ord for str { } #[stable(feature = "rust1", since = "1.0.0")] -impl PartialEq for str { +#[rustc_const_unstable(feature = "const_cmp", issue = "143800")] +impl const PartialEq for str { #[inline] fn eq(&self, other: &str) -> bool { self.as_bytes() == other.as_bytes() diff --git a/library/std/src/prelude/v1.rs b/library/std/src/prelude/v1.rs index 69f03353153..70c11131556 100644 --- a/library/std/src/prelude/v1.rs +++ b/library/std/src/prelude/v1.rs @@ -67,7 +67,7 @@ pub use core::prelude::v1::{ alloc_error_handler, bench, derive, global_allocator, test, test_case, }; -#[unstable(feature = "derive_const", issue = "none")] +#[unstable(feature = "derive_const", issue = "118304")] pub use core::prelude::v1::derive_const; // Do not `doc(no_inline)` either. diff --git a/src/bootstrap/src/core/build_steps/gcc.rs b/src/bootstrap/src/core/build_steps/gcc.rs index 899e3fd9a45..d4cbbe60921 100644 --- a/src/bootstrap/src/core/build_steps/gcc.rs +++ b/src/bootstrap/src/core/build_steps/gcc.rs @@ -220,21 +220,18 @@ fn build_gcc(metadata: &Meta, builder: &Builder<'_>, target: TargetSelection) { t!(fs::create_dir_all(install_dir)); // GCC creates files (e.g. symlinks to the downloaded dependencies) - // in the source directory, which does not work with our CI setup, where we mount + // in the source directory, which does not work with our CI/Docker setup, where we mount // source directories as read-only on Linux. - // Therefore, as a part of the build in CI, we first copy the whole source directory - // to the build directory, and perform the build from there. - let src_dir = if builder.config.is_running_on_ci { - let src_dir = builder.gcc_out(target).join("src"); - if src_dir.exists() { - builder.remove_dir(&src_dir); - } - builder.create_dir(&src_dir); - builder.cp_link_r(root, &src_dir); - src_dir - } else { - root.clone() - }; + // And in general, we shouldn't be modifying the source directories if possible, even for local + // builds. + // Therefore, we first copy the whole source directory to the build directory, and perform the + // build from there. + let src_dir = builder.gcc_out(target).join("src"); + if src_dir.exists() { + builder.remove_dir(&src_dir); + } + builder.create_dir(&src_dir); + builder.cp_link_r(root, &src_dir); command(src_dir.join("contrib/download_prerequisites")).current_dir(&src_dir).run(builder); let mut configure_cmd = command(src_dir.join("configure")); diff --git a/src/bootstrap/src/core/config/toml/rust.rs b/src/bootstrap/src/core/config/toml/rust.rs index 307aa52294b..71fab0e6ae6 100644 --- a/src/bootstrap/src/core/config/toml/rust.rs +++ b/src/bootstrap/src/core/config/toml/rust.rs @@ -531,6 +531,14 @@ impl Config { lld_enabled = lld_enabled_toml; std_features = std_features_toml; + if optimize_toml.as_ref().is_some_and(|v| matches!(v, RustOptimize::Bool(false))) { + eprintln!( + "WARNING: setting `optimize` to `false` is known to cause errors and \ + should be considered unsupported. Refer to `bootstrap.example.toml` \ + for more details." + ); + } + optimize = optimize_toml; self.rust_new_symbol_mangling = new_symbol_mangling; set(&mut self.rust_optimize_tests, optimize_tests); diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 6c5e37b51ef..f0c52fe3d1c 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -34,6 +34,8 @@ runners: os: windows-2022 <<: *base-job + # NOTE: windows-2025 has less disk space available than windows-2022, + # because the D drive is missing. - &job-windows-25 os: windows-2025 <<: *base-job @@ -542,13 +544,13 @@ auto: env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-sanitizers --enable-profiler SCRIPT: make ci-msvc-py - <<: *job-windows-25 + <<: *job-windows - name: x86_64-msvc-2 env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-sanitizers --enable-profiler SCRIPT: make ci-msvc-ps1 - <<: *job-windows-25 + <<: *job-windows # i686-msvc is split into two jobs to run tests in parallel. - name: i686-msvc-1 diff --git a/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml b/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml index 1e430d8b4e6..ad570ee4595 100644 --- a/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml +++ b/src/doc/rustc-dev-guide/.github/workflows/rustc-pull.yml @@ -9,106 +9,12 @@ on: jobs: pull: if: github.repository == 'rust-lang/rustc-dev-guide' - runs-on: ubuntu-latest - outputs: - pr_url: ${{ steps.update-pr.outputs.pr_url }} - permissions: - contents: write - pull-requests: write - steps: - - uses: actions/checkout@v4 - with: - # We need the full history for josh to work - fetch-depth: '0' - - name: Install stable Rust toolchain - run: rustup update stable - - uses: Swatinem/rust-cache@v2 - with: - workspaces: "josh-sync" - # Cache the josh directory with checked out rustc - cache-directories: "/home/runner/.cache/rustc-dev-guide-josh" - - name: Install josh - run: RUSTFLAGS="--cap-lints warn" cargo install josh-proxy --git https://github.com/josh-project/josh --tag r24.10.04 - - name: Setup bot git name and email - run: | - git config --global user.name 'The rustc-dev-guide Cronjob Bot' - git config --global user.email 'github-actions@github.com' - - name: Perform rustc-pull - id: rustc-pull - # Turn off -e to disable early exit - shell: bash {0} - run: | - cargo run --manifest-path josh-sync/Cargo.toml -- rustc-pull - exitcode=$? - - # If no pull was performed, we want to mark this job as successful, - # but we do not want to perform the follow-up steps. - if [ $exitcode -eq 0 ]; then - echo "pull_result=pull-finished" >> $GITHUB_OUTPUT - elif [ $exitcode -eq 2 ]; then - echo "pull_result=skipped" >> $GITHUB_OUTPUT - exitcode=0 - fi - - exit ${exitcode} - - name: Push changes to a branch - if: ${{ steps.rustc-pull.outputs.pull_result == 'pull-finished' }} - run: | - # Update a sticky branch that is used only for rustc pulls - BRANCH="rustc-pull" - git switch -c $BRANCH - git push -u origin $BRANCH --force - - name: Create pull request - id: update-pr - if: ${{ steps.rustc-pull.outputs.pull_result == 'pull-finished' }} - env: - GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} - run: | - # Check if an open pull request for an rustc pull update already exists - # If it does, the previous push has just updated it - # If not, we create it now - RESULT=`gh pr list --author github-actions[bot] --state open -q 'map(select(.title=="Rustc pull update")) | length' --json title` - if [[ "$RESULT" -eq 0 ]]; then - echo "Creating new pull request" - PR_URL=`gh pr create -B master --title 'Rustc pull update' --body 'Latest update from rustc.'` - echo "pr_url=$PR_URL" >> $GITHUB_OUTPUT - else - PR_URL=`gh pr list --author github-actions[bot] --state open -q 'map(select(.title=="Rustc pull update")) | .[0].url' --json url,title` - echo "Updating pull request ${PR_URL}" - echo "pr_url=$PR_URL" >> $GITHUB_OUTPUT - fi - send-zulip-message: - needs: [pull] - if: ${{ !cancelled() }} - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@v4 - - name: Compute message - id: create-message - env: - GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} - run: | - if [ "${{ needs.pull.result }}" == "failure" ]; then - WORKFLOW_URL="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}" - echo "message=Rustc pull sync failed. Check out the [workflow URL]($WORKFLOW_URL)." >> $GITHUB_OUTPUT - else - CREATED_AT=`gh pr list --author github-actions[bot] --state open -q 'map(select(.title=="Rustc pull update")) | .[0].createdAt' --json createdAt,title` - PR_URL=`gh pr list --author github-actions[bot] --state open -q 'map(select(.title=="Rustc pull update")) | .[0].url' --json url,title` - week_ago=$(date +%F -d '7 days ago') - - # If there is an open PR that is at least a week old, post a message about it - if [[ -n $DATE_GH && $DATE_GH < $week_ago ]]; then - echo "message=A PR with a Rustc pull has been opened for more a week. Check out the [PR](${PR_URL})." >> $GITHUB_OUTPUT - fi - fi - - name: Send a Zulip message about updated PR - if: ${{ steps.create-message.outputs.message != '' }} - uses: zulip/github-actions-zulip/send-message@e4c8f27c732ba9bd98ac6be0583096dea82feea5 - with: - api-key: ${{ secrets.ZULIP_API_TOKEN }} - email: "rustc-dev-guide-gha-notif-bot@rust-lang.zulipchat.com" - organization-url: "https://rust-lang.zulipchat.com" - to: 196385 - type: "stream" - topic: "Subtree sync automation" - content: ${{ steps.create-message.outputs.message }} + uses: rust-lang/josh-sync/.github/workflows/rustc-pull.yml@main + with: + zulip-stream-id: 196385 + zulip-bot-email: "rustc-dev-guide-gha-notif-bot@rust-lang.zulipchat.com" + pr-base-branch: master + branch-name: rustc-pull + secrets: + zulip-api-token: ${{ secrets.ZULIP_API_TOKEN }} + token: ${{ secrets.GITHUB_TOKEN }} diff --git a/src/doc/rustc-dev-guide/README.md b/src/doc/rustc-dev-guide/README.md index 0425c15f83c..5932da467ab 100644 --- a/src/doc/rustc-dev-guide/README.md +++ b/src/doc/rustc-dev-guide/README.md @@ -72,49 +72,6 @@ including the `<!-- toc -->` marker at the place where you want the TOC. ## Synchronizing josh subtree with rustc -This repository is linked to `rust-lang/rust` as a [josh](https://josh-project.github.io/josh/intro.html) subtree. You can use the following commands to synchronize the subtree in both directions. +This repository is linked to `rust-lang/rust` as a [josh](https://josh-project.github.io/josh/intro.html) subtree. You can use the [rustc-josh-sync](https://github.com/rust-lang/josh-sync) tool to perform synchronization. -You'll need to install `josh-proxy` locally via - -``` -cargo install josh-proxy --git https://github.com/josh-project/josh --tag r24.10.04 -``` -Older versions of `josh-proxy` may not round trip commits losslessly so it is important to install this exact version. - -### Pull changes from `rust-lang/rust` into this repository - -1) Checkout a new branch that will be used to create a PR into `rust-lang/rustc-dev-guide` -2) Run the pull command - ``` - cargo run --manifest-path josh-sync/Cargo.toml rustc-pull - ``` -3) Push the branch to your fork and create a PR into `rustc-dev-guide` - -### Push changes from this repository into `rust-lang/rust` - -NOTE: If you use Git protocol to push to your fork of `rust-lang/rust`, -ensure that you have this entry in your Git config, -else the 2 steps that follow would prompt for a username and password: - -``` -[url "git@github.com:"] -insteadOf = "https://github.com/" -``` - -1) Run the push command to create a branch named `<branch-name>` in a `rustc` fork under the `<gh-username>` account - ``` - cargo run --manifest-path josh-sync/Cargo.toml rustc-push <branch-name> <gh-username> - ``` -2) Create a PR from `<branch-name>` into `rust-lang/rust` - -#### Minimal git config - -For simplicity (ease of implementation purposes), the josh-sync script simply calls out to system git. This means that the git invocation may be influenced by global (or local) git configuration. - -You may observe "Nothing to pull" even if you *know* rustc-pull has something to pull if your global git config sets `fetch.prunetags = true` (and possibly other configurations may cause unexpected outcomes). - -To minimize the likelihood of this happening, you may wish to keep a separate *minimal* git config that *only* has `[user]` entries from global git config, then repoint system git to use the minimal git config instead. E.g. - -``` -GIT_CONFIG_GLOBAL=/path/to/minimal/gitconfig GIT_CONFIG_SYSTEM='' cargo run --manifest-path josh-sync/Cargo.toml -- rustc-pull -``` +You can find a guide on how to perform the synchronization [here](./src/external-repos.md#synchronizing-a-josh-subtree). diff --git a/src/doc/rustc-dev-guide/josh-sync/Cargo.lock b/src/doc/rustc-dev-guide/josh-sync/Cargo.lock deleted file mode 100644 index a8183a740db..00000000000 --- a/src/doc/rustc-dev-guide/josh-sync/Cargo.lock +++ /dev/null @@ -1,430 +0,0 @@ -# This file is automatically @generated by Cargo. -# It is not intended for manual editing. -version = 4 - -[[package]] -name = "anstream" -version = "0.6.18" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8acc5369981196006228e28809f761875c0327210a891e941f4c683b3a99529b" -dependencies = [ - "anstyle", - "anstyle-parse", - "anstyle-query", - "anstyle-wincon", - "colorchoice", - "is_terminal_polyfill", - "utf8parse", -] - -[[package]] -name = "anstyle" -version = "1.0.10" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "55cc3b69f167a1ef2e161439aa98aed94e6028e5f9a59be9a6ffb47aef1651f9" - -[[package]] -name = "anstyle-parse" -version = "0.2.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3b2d16507662817a6a20a9ea92df6652ee4f94f914589377d69f3b21bc5798a9" -dependencies = [ - "utf8parse", -] - -[[package]] -name = "anstyle-query" -version = "1.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "79947af37f4177cfead1110013d678905c37501914fba0efea834c3fe9a8d60c" -dependencies = [ - "windows-sys 0.59.0", -] - -[[package]] -name = "anstyle-wincon" -version = "3.0.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2109dbce0e72be3ec00bed26e6a7479ca384ad226efdd66db8fa2e3a38c83125" -dependencies = [ - "anstyle", - "windows-sys 0.59.0", -] - -[[package]] -name = "anyhow" -version = "1.0.95" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "34ac096ce696dc2fcabef30516bb13c0a68a11d30131d3df6f04711467681b04" - -[[package]] -name = "bitflags" -version = "2.6.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de" - -[[package]] -name = "cfg-if" -version = "1.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd" - -[[package]] -name = "clap" -version = "4.5.23" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3135e7ec2ef7b10c6ed8950f0f792ed96ee093fa088608f1c76e569722700c84" -dependencies = [ - "clap_builder", - "clap_derive", -] - -[[package]] -name = "clap_builder" -version = "4.5.23" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "30582fc632330df2bd26877bde0c1f4470d57c582bbc070376afcd04d8cb4838" -dependencies = [ - "anstream", - "anstyle", - "clap_lex", - "strsim", -] - -[[package]] -name = "clap_derive" -version = "4.5.18" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4ac6a0c7b1a9e9a5186361f67dfa1b88213572f427fb9ab038efb2bd8c582dab" -dependencies = [ - "heck", - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "clap_lex" -version = "0.7.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f46ad14479a25103f283c0f10005961cf086d8dc42205bb44c46ac563475dca6" - -[[package]] -name = "colorchoice" -version = "1.0.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5b63caa9aa9397e2d9480a9b13673856c78d8ac123288526c37d7839f2a86990" - -[[package]] -name = "directories" -version = "5.0.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9a49173b84e034382284f27f1af4dcbbd231ffa358c0fe316541a7337f376a35" -dependencies = [ - "dirs-sys", -] - -[[package]] -name = "dirs-sys" -version = "0.4.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "520f05a5cbd335fae5a99ff7a6ab8627577660ee5cfd6a94a6a929b52ff0321c" -dependencies = [ - "libc", - "option-ext", - "redox_users", - "windows-sys 0.48.0", -] - -[[package]] -name = "getrandom" -version = "0.2.15" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7" -dependencies = [ - "cfg-if", - "libc", - "wasi", -] - -[[package]] -name = "heck" -version = "0.5.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea" - -[[package]] -name = "is_terminal_polyfill" -version = "1.70.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7943c866cc5cd64cbc25b2e01621d07fa8eb2a1a23160ee81ce38704e97b8ecf" - -[[package]] -name = "josh-sync" -version = "0.0.0" -dependencies = [ - "anyhow", - "clap", - "directories", - "xshell", -] - -[[package]] -name = "libc" -version = "0.2.169" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b5aba8db14291edd000dfcc4d620c7ebfb122c613afb886ca8803fa4e128a20a" - -[[package]] -name = "libredox" -version = "0.1.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c0ff37bd590ca25063e35af745c343cb7a0271906fb7b37e4813e8f79f00268d" -dependencies = [ - "bitflags", - "libc", -] - -[[package]] -name = "option-ext" -version = "0.2.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d" - -[[package]] -name = "proc-macro2" -version = "1.0.92" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "37d3544b3f2748c54e147655edb5025752e2303145b5aefb3c3ea2c78b973bb0" -dependencies = [ - "unicode-ident", -] - -[[package]] -name = "quote" -version = "1.0.38" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0e4dccaaaf89514f546c693ddc140f729f958c247918a13380cccc6078391acc" -dependencies = [ - "proc-macro2", -] - -[[package]] -name = "redox_users" -version = "0.4.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ba009ff324d1fc1b900bd1fdb31564febe58a8ccc8a6fdbb93b543d33b13ca43" -dependencies = [ - "getrandom", - "libredox", - "thiserror", -] - -[[package]] -name = "strsim" -version = "0.11.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f" - -[[package]] -name = "syn" -version = "2.0.93" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9c786062daee0d6db1132800e623df74274a0a87322d8e183338e01b3d98d058" -dependencies = [ - "proc-macro2", - "quote", - "unicode-ident", -] - -[[package]] -name = "thiserror" -version = "1.0.69" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b6aaf5339b578ea85b50e080feb250a3e8ae8cfcdff9a461c9ec2904bc923f52" -dependencies = [ - "thiserror-impl", -] - -[[package]] -name = "thiserror-impl" -version = "1.0.69" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1" -dependencies = [ - "proc-macro2", - "quote", - "syn", -] - -[[package]] -name = "unicode-ident" -version = "1.0.14" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83" - -[[package]] -name = "utf8parse" -version = "0.2.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821" - -[[package]] -name = "wasi" -version = "0.11.0+wasi-snapshot-preview1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423" - -[[package]] -name = "windows-sys" -version = "0.48.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9" -dependencies = [ - "windows-targets 0.48.5", -] - -[[package]] -name = "windows-sys" -version = "0.59.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1e38bc4d79ed67fd075bcc251a1c39b32a1776bbe92e5bef1f0bf1f8c531853b" -dependencies = [ - "windows-targets 0.52.6", -] - -[[package]] -name = "windows-targets" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c" -dependencies = [ - "windows_aarch64_gnullvm 0.48.5", - "windows_aarch64_msvc 0.48.5", - "windows_i686_gnu 0.48.5", - "windows_i686_msvc 0.48.5", - "windows_x86_64_gnu 0.48.5", - "windows_x86_64_gnullvm 0.48.5", - "windows_x86_64_msvc 0.48.5", -] - -[[package]] -name = "windows-targets" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973" -dependencies = [ - "windows_aarch64_gnullvm 0.52.6", - "windows_aarch64_msvc 0.52.6", - "windows_i686_gnu 0.52.6", - "windows_i686_gnullvm", - "windows_i686_msvc 0.52.6", - "windows_x86_64_gnu 0.52.6", - "windows_x86_64_gnullvm 0.52.6", - "windows_x86_64_msvc 0.52.6", -] - -[[package]] -name = "windows_aarch64_gnullvm" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8" - -[[package]] -name = "windows_aarch64_gnullvm" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3" - -[[package]] -name = "windows_aarch64_msvc" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc" - -[[package]] -name = "windows_aarch64_msvc" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469" - -[[package]] -name = "windows_i686_gnu" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e" - -[[package]] -name = "windows_i686_gnu" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b" - -[[package]] -name = "windows_i686_gnullvm" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66" - -[[package]] -name = "windows_i686_msvc" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406" - -[[package]] -name = "windows_i686_msvc" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66" - -[[package]] -name = "windows_x86_64_gnu" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e" - -[[package]] -name = "windows_x86_64_gnu" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78" - -[[package]] -name = "windows_x86_64_gnullvm" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc" - -[[package]] -name = "windows_x86_64_gnullvm" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d" - -[[package]] -name = "windows_x86_64_msvc" -version = "0.48.5" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538" - -[[package]] -name = "windows_x86_64_msvc" -version = "0.52.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec" - -[[package]] -name = "xshell" -version = "0.2.7" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9e7290c623014758632efe00737145b6867b66292c42167f2ec381eb566a373d" -dependencies = [ - "xshell-macros", -] - -[[package]] -name = "xshell-macros" -version = "0.2.7" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "32ac00cd3f8ec9c1d33fb3e7958a82df6989c42d747bd326c822b1d625283547" diff --git a/src/doc/rustc-dev-guide/josh-sync/Cargo.toml b/src/doc/rustc-dev-guide/josh-sync/Cargo.toml deleted file mode 100644 index 1f8bf2a0093..00000000000 --- a/src/doc/rustc-dev-guide/josh-sync/Cargo.toml +++ /dev/null @@ -1,9 +0,0 @@ -[package] -name = "josh-sync" -edition = "2024" - -[dependencies] -anyhow = "1.0.95" -clap = { version = "4.5.21", features = ["derive"] } -directories = "5" -xshell = "0.2.6" diff --git a/src/doc/rustc-dev-guide/josh-sync/README.md b/src/doc/rustc-dev-guide/josh-sync/README.md deleted file mode 100644 index a3dd876e8b8..00000000000 --- a/src/doc/rustc-dev-guide/josh-sync/README.md +++ /dev/null @@ -1,4 +0,0 @@ -# Git josh sync -This utility serves for syncing the josh git subtree to and from the rust-lang/rust repository. - -See CLI help for usage. diff --git a/src/doc/rustc-dev-guide/josh-sync/src/main.rs b/src/doc/rustc-dev-guide/josh-sync/src/main.rs deleted file mode 100644 index aeedee5be22..00000000000 --- a/src/doc/rustc-dev-guide/josh-sync/src/main.rs +++ /dev/null @@ -1,41 +0,0 @@ -use clap::Parser; - -use crate::sync::{GitSync, RustcPullError}; - -mod sync; - -#[derive(clap::Parser)] -enum Args { - /// Pull changes from the main `rustc` repository. - /// This creates new commits that should be then merged into `rustc-dev-guide`. - RustcPull, - /// Push changes from `rustc-dev-guide` to the given `branch` of a `rustc` fork under the given - /// GitHub `username`. - /// The pushed branch should then be merged into the `rustc` repository. - RustcPush { branch: String, github_username: String }, -} - -fn main() -> anyhow::Result<()> { - let args = Args::parse(); - let sync = GitSync::from_current_dir()?; - match args { - Args::RustcPull => { - if let Err(error) = sync.rustc_pull(None) { - match error { - RustcPullError::NothingToPull => { - eprintln!("Nothing to pull"); - std::process::exit(2); - } - RustcPullError::PullFailed(error) => { - eprintln!("Pull failure: {error:?}"); - std::process::exit(1); - } - } - } - } - Args::RustcPush { github_username, branch } => { - sync.rustc_push(github_username, branch)?; - } - } - Ok(()) -} diff --git a/src/doc/rustc-dev-guide/josh-sync/src/sync.rs b/src/doc/rustc-dev-guide/josh-sync/src/sync.rs deleted file mode 100644 index ed38d1403a0..00000000000 --- a/src/doc/rustc-dev-guide/josh-sync/src/sync.rs +++ /dev/null @@ -1,275 +0,0 @@ -use std::io::Write; -use std::ops::Not; -use std::path::PathBuf; -use std::time::Duration; -use std::{env, net, process}; - -use anyhow::{Context, anyhow, bail}; -use xshell::{Shell, cmd}; - -/// Used for rustc syncs. -const JOSH_FILTER: &str = ":/src/doc/rustc-dev-guide"; -const JOSH_PORT: u16 = 42042; -const UPSTREAM_REPO: &str = "rust-lang/rust"; - -pub enum RustcPullError { - /// No changes are available to be pulled. - NothingToPull, - /// A rustc-pull has failed, probably a git operation error has occurred. - PullFailed(anyhow::Error), -} - -impl<E> From<E> for RustcPullError -where - E: Into<anyhow::Error>, -{ - fn from(error: E) -> Self { - Self::PullFailed(error.into()) - } -} - -pub struct GitSync { - dir: PathBuf, -} - -/// This code was adapted from the miri repository -/// (https://github.com/rust-lang/miri/blob/6a68a79f38064c3bc30617cca4bdbfb2c336b140/miri-script/src/commands.rs#L236). -impl GitSync { - pub fn from_current_dir() -> anyhow::Result<Self> { - Ok(Self { dir: std::env::current_dir()? }) - } - - pub fn rustc_pull(&self, commit: Option<String>) -> Result<(), RustcPullError> { - let sh = Shell::new()?; - sh.change_dir(&self.dir); - let commit = commit.map(Ok).unwrap_or_else(|| { - let rust_repo_head = - cmd!(sh, "git ls-remote https://github.com/{UPSTREAM_REPO}/ HEAD").read()?; - rust_repo_head - .split_whitespace() - .next() - .map(|front| front.trim().to_owned()) - .ok_or_else(|| anyhow!("Could not obtain Rust repo HEAD from remote.")) - })?; - // Make sure the repo is clean. - if cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty().not() { - return Err(anyhow::anyhow!( - "working directory must be clean before performing rustc pull" - ) - .into()); - } - // Make sure josh is running. - let josh = Self::start_josh()?; - let josh_url = - format!("http://localhost:{JOSH_PORT}/{UPSTREAM_REPO}.git@{commit}{JOSH_FILTER}.git"); - - let previous_base_commit = sh.read_file("rust-version")?.trim().to_string(); - if previous_base_commit == commit { - return Err(RustcPullError::NothingToPull); - } - - // Update rust-version file. As a separate commit, since making it part of - // the merge has confused the heck out of josh in the past. - // We pass `--no-verify` to avoid running git hooks. - // We do this before the merge so that if there are merge conflicts, we have - // the right rust-version file while resolving them. - sh.write_file("rust-version", format!("{commit}\n"))?; - const PREPARING_COMMIT_MESSAGE: &str = "Preparing for merge from rustc"; - cmd!(sh, "git commit rust-version --no-verify -m {PREPARING_COMMIT_MESSAGE}") - .run() - .context("FAILED to commit rust-version file, something went wrong")?; - - // Fetch given rustc commit. - cmd!(sh, "git fetch {josh_url}") - .run() - .inspect_err(|_| { - // Try to un-do the previous `git commit`, to leave the repo in the state we found it. - cmd!(sh, "git reset --hard HEAD^") - .run() - .expect("FAILED to clean up again after failed `git fetch`, sorry for that"); - }) - .context("FAILED to fetch new commits, something went wrong (committing the rust-version file has been undone)")?; - - // This should not add any new root commits. So count those before and after merging. - let num_roots = || -> anyhow::Result<u32> { - Ok(cmd!(sh, "git rev-list HEAD --max-parents=0 --count") - .read() - .context("failed to determine the number of root commits")? - .parse::<u32>()?) - }; - let num_roots_before = num_roots()?; - - let sha = - cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; - - // Merge the fetched commit. - const MERGE_COMMIT_MESSAGE: &str = "Merge from rustc"; - cmd!(sh, "git merge FETCH_HEAD --no-verify --no-ff -m {MERGE_COMMIT_MESSAGE}") - .run() - .context("FAILED to merge new commits, something went wrong")?; - - let current_sha = - cmd!(sh, "git rev-parse HEAD").output().context("FAILED to get current commit")?.stdout; - if current_sha == sha { - cmd!(sh, "git reset --hard HEAD^") - .run() - .expect("FAILED to clean up after creating the preparation commit"); - eprintln!( - "No merge was performed, no changes to pull were found. Rolled back the preparation commit." - ); - return Err(RustcPullError::NothingToPull); - } - - // Check that the number of roots did not increase. - if num_roots()? != num_roots_before { - return Err(anyhow::anyhow!( - "Josh created a new root commit. This is probably not the history you want." - ) - .into()); - } - - drop(josh); - Ok(()) - } - - pub fn rustc_push(&self, github_user: String, branch: String) -> anyhow::Result<()> { - let sh = Shell::new()?; - sh.change_dir(&self.dir); - let base = sh.read_file("rust-version")?.trim().to_owned(); - // Make sure the repo is clean. - if cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty().not() { - bail!("working directory must be clean before running `rustc-push`"); - } - // Make sure josh is running. - let josh = Self::start_josh()?; - let josh_url = - format!("http://localhost:{JOSH_PORT}/{github_user}/rust.git{JOSH_FILTER}.git"); - - // Find a repo we can do our preparation in. - if let Ok(rustc_git) = env::var("RUSTC_GIT") { - // If rustc_git is `Some`, we'll use an existing fork for the branch updates. - sh.change_dir(rustc_git); - } else { - // Otherwise, do this in the local repo. - println!( - "This will pull a copy of the rust-lang/rust history into this checkout, growing it by about 1GB." - ); - print!( - "To avoid that, abort now and set the `RUSTC_GIT` environment variable to an existing rustc checkout. Proceed? [y/N] " - ); - std::io::stdout().flush()?; - let mut answer = String::new(); - std::io::stdin().read_line(&mut answer)?; - if answer.trim().to_lowercase() != "y" { - std::process::exit(1); - } - }; - // Prepare the branch. Pushing works much better if we use as base exactly - // the commit that we pulled from last time, so we use the `rust-version` - // file to find out which commit that would be. - println!("Preparing {github_user}/rust (base: {base})..."); - if cmd!(sh, "git fetch https://github.com/{github_user}/rust {branch}") - .ignore_stderr() - .read() - .is_ok() - { - println!( - "The branch '{branch}' seems to already exist in 'https://github.com/{github_user}/rust'. Please delete it and try again." - ); - std::process::exit(1); - } - cmd!(sh, "git fetch https://github.com/{UPSTREAM_REPO} {base}").run()?; - cmd!(sh, "git push https://github.com/{github_user}/rust {base}:refs/heads/{branch}") - .ignore_stdout() - .ignore_stderr() // silence the "create GitHub PR" message - .run()?; - println!(); - - // Do the actual push. - sh.change_dir(&self.dir); - println!("Pushing changes..."); - cmd!(sh, "git push {josh_url} HEAD:{branch}").run()?; - println!(); - - // Do a round-trip check to make sure the push worked as expected. - cmd!(sh, "git fetch {josh_url} {branch}").ignore_stderr().read()?; - let head = cmd!(sh, "git rev-parse HEAD").read()?; - let fetch_head = cmd!(sh, "git rev-parse FETCH_HEAD").read()?; - if head != fetch_head { - bail!( - "Josh created a non-roundtrip push! Do NOT merge this into rustc!\n\ - Expected {head}, got {fetch_head}." - ); - } - println!( - "Confirmed that the push round-trips back to rustc-dev-guide properly. Please create a rustc PR:" - ); - println!( - // Open PR with `subtree update` title to silence the `no-merges` triagebot check - " https://github.com/{UPSTREAM_REPO}/compare/{github_user}:{branch}?quick_pull=1&title=rustc-dev-guide+subtree+update&body=r?+@ghost" - ); - - drop(josh); - Ok(()) - } - - fn start_josh() -> anyhow::Result<impl Drop> { - // Determine cache directory. - let local_dir = { - let user_dirs = - directories::ProjectDirs::from("org", "rust-lang", "rustc-dev-guide-josh").unwrap(); - user_dirs.cache_dir().to_owned() - }; - - // Start josh, silencing its output. - let mut cmd = process::Command::new("josh-proxy"); - cmd.arg("--local").arg(local_dir); - cmd.arg("--remote").arg("https://github.com"); - cmd.arg("--port").arg(JOSH_PORT.to_string()); - cmd.arg("--no-background"); - cmd.stdout(process::Stdio::null()); - cmd.stderr(process::Stdio::null()); - let josh = cmd.spawn().context("failed to start josh-proxy, make sure it is installed")?; - - // Create a wrapper that stops it on drop. - struct Josh(process::Child); - impl Drop for Josh { - fn drop(&mut self) { - #[cfg(unix)] - { - // Try to gracefully shut it down. - process::Command::new("kill") - .args(["-s", "INT", &self.0.id().to_string()]) - .output() - .expect("failed to SIGINT josh-proxy"); - // Sadly there is no "wait with timeout"... so we just give it some time to finish. - std::thread::sleep(Duration::from_millis(100)); - // Now hopefully it is gone. - if self.0.try_wait().expect("failed to wait for josh-proxy").is_some() { - return; - } - } - // If that didn't work (or we're not on Unix), kill it hard. - eprintln!( - "I have to kill josh-proxy the hard way, let's hope this does not break anything." - ); - self.0.kill().expect("failed to SIGKILL josh-proxy"); - } - } - - // Wait until the port is open. We try every 10ms until 1s passed. - for _ in 0..100 { - // This will generally fail immediately when the port is still closed. - let josh_ready = net::TcpStream::connect_timeout( - &net::SocketAddr::from(([127, 0, 0, 1], JOSH_PORT)), - Duration::from_millis(1), - ); - if josh_ready.is_ok() { - return Ok(Josh(josh)); - } - // Not ready yet. - std::thread::sleep(Duration::from_millis(10)); - } - bail!("Even after waiting for 1s, josh-proxy is still not available.") - } -} diff --git a/src/doc/rustc-dev-guide/rust-version b/src/doc/rustc-dev-guide/rust-version index e444613e631..3f10132b684 100644 --- a/src/doc/rustc-dev-guide/rust-version +++ b/src/doc/rustc-dev-guide/rust-version @@ -1 +1 @@ -c96a69059ecc618b519da385a6ccd03155aa0237 +fd2eb391d032181459773f3498c17b198513e0d0 diff --git a/src/doc/rustc-dev-guide/src/autodiff/installation.md b/src/doc/rustc-dev-guide/src/autodiff/installation.md index c9b28dc43a6..a550f6d233e 100644 --- a/src/doc/rustc-dev-guide/src/autodiff/installation.md +++ b/src/doc/rustc-dev-guide/src/autodiff/installation.md @@ -6,14 +6,14 @@ In the near future, `std::autodiff` should become available in nightly builds fo First you need to clone and configure the Rust repository: ```bash -git clone --depth=1 git@github.com:rust-lang/rust.git +git clone git@github.com:rust-lang/rust cd rust ./configure --enable-llvm-link-shared --enable-llvm-plugins --enable-llvm-enzyme --release-channel=nightly --enable-llvm-assertions --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ``` Afterwards you can build rustc using: ```bash -./x.py build --stage 1 library +./x build --stage 1 library ``` Afterwards rustc toolchain link will allow you to use it through cargo: @@ -25,10 +25,10 @@ rustup toolchain install nightly # enables -Z unstable-options You can then run our test cases: ```bash -./x.py test --stage 1 tests/codegen/autodiff -./x.py test --stage 1 tests/pretty/autodiff -./x.py test --stage 1 tests/ui/autodiff -./x.py test --stage 1 tests/ui/feature-gates/feature-gate-autodiff.rs +./x test --stage 1 tests/codegen/autodiff +./x test --stage 1 tests/pretty/autodiff +./x test --stage 1 tests/ui/autodiff +./x test --stage 1 tests/ui/feature-gates/feature-gate-autodiff.rs ``` Autodiff is still experimental, so if you want to use it in your own projects, you will need to add `lto="fat"` to your Cargo.toml @@ -45,7 +45,7 @@ apt install wget vim python3 git curl libssl-dev pkg-config lld ninja-build cmak ``` Then build rustc in a slightly altered way: ```bash -git clone --depth=1 https://github.com/rust-lang/rust.git +git clone https://github.com/rust-lang/rust cd rust ./configure --enable-llvm-link-shared --enable-llvm-plugins --enable-llvm-enzyme --release-channel=nightly --enable-llvm-assertions --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ./x dist @@ -66,7 +66,7 @@ We recommend that approach, if you just want to use any of them and have no expe However, if you prefer to just build Enzyme without Rust, then these instructions might help. ```bash -git clone --depth=1 git@github.com:llvm/llvm-project.git +git clone git@github.com:llvm/llvm-project cd llvm-project mkdir build cd build @@ -77,7 +77,7 @@ ninja install This gives you a working LLVM build, now we can continue with building Enzyme. Leave the `llvm-project` folder, and execute the following commands: ```bash -git clone git@github.com:EnzymeAD/Enzyme.git +git clone git@github.com:EnzymeAD/Enzyme cd Enzyme/enzyme mkdir build cd build diff --git a/src/doc/rustc-dev-guide/src/external-repos.md b/src/doc/rustc-dev-guide/src/external-repos.md index f3170c9222d..ecc65b26ab7 100644 --- a/src/doc/rustc-dev-guide/src/external-repos.md +++ b/src/doc/rustc-dev-guide/src/external-repos.md @@ -9,7 +9,7 @@ There are three main ways we use dependencies: As a general rule: - Use crates.io for libraries that could be useful for others in the ecosystem - Use subtrees for tools that depend on compiler internals and need to be updated if there are breaking -changes + changes - Use submodules for tools that are independent of the compiler ## External Dependencies (subtrees) @@ -23,6 +23,8 @@ The following external projects are managed using some form of a `subtree`: * [rust-analyzer](https://github.com/rust-lang/rust-analyzer) * [rustc_codegen_cranelift](https://github.com/rust-lang/rustc_codegen_cranelift) * [rustc-dev-guide](https://github.com/rust-lang/rustc-dev-guide) +* [compiler-builtins](https://github.com/rust-lang/compiler-builtins) +* [stdarch](https://github.com/rust-lang/stdarch) In contrast to `submodule` dependencies (see below for those), the `subtree` dependencies are just regular files and directories which can @@ -34,20 +36,61 @@ implement a new tool feature or test, that should happen in one collective rustc `subtree` dependencies are currently managed by two distinct approaches: * Using `git subtree` - * `clippy` ([sync guide](https://doc.rust-lang.org/nightly/clippy/development/infrastructure/sync.html#performing-the-sync-from-rust-langrust-to-clippy)) - * `portable-simd` ([sync script](https://github.com/rust-lang/portable-simd/blob/master/subtree-sync.sh)) - * `rustfmt` - * `rustc_codegen_cranelift` ([sync script](https://github.com/rust-lang/rustc_codegen_cranelift/blob/113af154d459e41b3dc2c5d7d878e3d3a8f33c69/scripts/rustup.sh#L7)) + * `clippy` ([sync guide](https://doc.rust-lang.org/nightly/clippy/development/infrastructure/sync.html#performing-the-sync-from-rust-langrust-to-clippy)) + * `portable-simd` ([sync script](https://github.com/rust-lang/portable-simd/blob/master/subtree-sync.sh)) + * `rustfmt` + * `rustc_codegen_cranelift` ([sync script](https://github.com/rust-lang/rustc_codegen_cranelift/blob/113af154d459e41b3dc2c5d7d878e3d3a8f33c69/scripts/rustup.sh#L7)) * Using the [josh] tool - * `miri` ([sync guide](https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md#advanced-topic-syncing-with-the-rustc-repo)) - * `rust-analyzer` ([sync script](https://github.com/rust-lang/rust-analyzer/blob/2e13684be123eca7181aa48e043e185d8044a84a/xtask/src/release.rs#L147)) - * `rustc-dev-guide` ([sync guide](https://github.com/rust-lang/rustc-dev-guide#synchronizing-josh-subtree-with-rustc)) + * `miri` ([sync guide](https://github.com/rust-lang/miri/blob/master/CONTRIBUTING.md#advanced-topic-syncing-with-the-rustc-repo)) + * `rust-analyzer` ([sync script](https://github.com/rust-lang/rust-analyzer/blob/2e13684be123eca7181aa48e043e185d8044a84a/xtask/src/release.rs#L147)) + * `rustc-dev-guide` ([josh sync](#synchronizing-a-josh-subtree)) + * `compiler-builtins` ([josh sync](#synchronizing-a-josh-subtree)) + * `stdarch` ([josh sync](#synchronizing-a-josh-subtree)) -The [josh] tool is an alternative to git subtrees, which manages git history in a different way and scales better to larger repositories. Specific tooling is required to work with josh, you can check out the `miri` or `rust-analyzer` scripts linked above for inspiration. If you want to migrate a repository dependency from `git subtree` or `git submodule` to josh, you can check out [this guide](https://hackmd.io/7pOuxnkdQDaL1Y1FQr65xg). +### Josh subtrees -Below you can find a guide on how to perform push and pull synchronization with the main rustc repo using `git subtree`, although these instructions might differ repo from repo. +The [josh] tool is an alternative to git subtrees, which manages git history in a different way and scales better to larger repositories. Specific tooling is required to work with josh; you can check out the `miri` or `rust-analyzer` scripts linked above for inspiration. We provide a helper [`rustc-josh-sync`][josh-sync] tool to help with the synchronization, described [below](#synchronizing-a-josh-subtree). -### Synchronizing a subtree +### Synchronizing a Josh subtree + +We use a dedicated tool called [`rustc-josh-sync`][josh-sync] for performing Josh subtree updates. +Currently, we are migrating Josh repositories to it. So far, it is used in: + +- compiler-builtins +- rustc-dev-guide +- stdarch + +To install the tool: +``` +cargo install --locked --git https://github.com/rust-lang/josh-sync +``` + +Both pulls (synchronize changes from rust-lang/rust into the subtree) and pushes (synchronize +changes from the subtree to rust-lang/rust) are performed from the subtree repository (so first +switch to its repository checkout directory in your terminal). + +#### Performing pull +1) Checkout a new branch that will be used to create a PR into the subtree +2) Run the pull command + ``` + rustc-josh-sync pull + ``` +3) Push the branch to your fork and create a PR into the subtree repository + - If you have `gh` CLI installed, `rustc-josh-sync` can create the PR for you. + +#### Performing push + +1) Run the push command to create a branch named `<branch-name>` in a `rustc` fork under the `<gh-username>` account + ``` + rustc-josh-sync push <branch-name> <gh-username> + ``` +2) Create a PR from `<branch-name>` into `rust-lang/rust` + +### Creating a new Josh subtree dependency + +If you want to migrate a repository dependency from `git subtree` or `git submodule` to josh, you can check out [this guide](https://hackmd.io/7pOuxnkdQDaL1Y1FQr65xg). + +### Synchronizing a git subtree Periodically the changes made to subtree based dependencies need to be synchronized between this repository and the upstream tool repositories. @@ -129,3 +172,4 @@ the week leading up to the beta cut. [toolstate website]: https://rust-lang-nursery.github.io/rust-toolstate/ [Toolstate chapter]: https://forge.rust-lang.org/infra/toolstate.html [josh]: https://josh-project.github.io/josh/intro.html +[josh-sync]: https://github.com/rust-lang/josh-sync diff --git a/src/doc/rustc-dev-guide/src/offload/installation.md b/src/doc/rustc-dev-guide/src/offload/installation.md index 2536af09a23..1962314c70a 100644 --- a/src/doc/rustc-dev-guide/src/offload/installation.md +++ b/src/doc/rustc-dev-guide/src/offload/installation.md @@ -6,14 +6,14 @@ In the future, `std::offload` should become available in nightly builds for user First you need to clone and configure the Rust repository: ```bash -git clone --depth=1 git@github.com:rust-lang/rust.git +git clone git@github.com:rust-lang/rust cd rust ./configure --enable-llvm-link-shared --release-channel=nightly --enable-llvm-assertions --enable-offload --enable-enzyme --enable-clang --enable-lld --enable-option-checking --enable-ninja --disable-docs ``` Afterwards you can build rustc using: ```bash -./x.py build --stage 1 library +./x build --stage 1 library ``` Afterwards rustc toolchain link will allow you to use it through cargo: @@ -26,7 +26,7 @@ rustup toolchain install nightly # enables -Z unstable-options ## Build instruction for LLVM itself ```bash -git clone --depth=1 git@github.com:llvm/llvm-project.git +git clone git@github.com:llvm/llvm-project cd llvm-project mkdir build cd build @@ -40,7 +40,7 @@ This gives you a working LLVM build. ## Testing run ``` -./x.py test --stage 1 tests/codegen/gpu_offload +./x test --stage 1 tests/codegen/gpu_offload ``` ## Usage diff --git a/src/doc/rustc-dev-guide/src/solve/invariants.md b/src/doc/rustc-dev-guide/src/solve/invariants.md index fd12b195757..8ec15f339e5 100644 --- a/src/doc/rustc-dev-guide/src/solve/invariants.md +++ b/src/doc/rustc-dev-guide/src/solve/invariants.md @@ -4,17 +4,15 @@ FIXME: This file talks about invariants of the type system as a whole, not only There are a lot of invariants - things the type system guarantees to be true at all times - which are desirable or expected from other languages and type systems. Unfortunately, quite -a few of them do not hold in Rust right now. This is either a fundamental to its design or -caused by bugs and something that may change in the future. +a few of them do not hold in Rust right now. This is either fundamental to its design or +caused by bugs, and something that may change in the future. -It is important to know about the things you can assume while working on - and with - the +It is important to know about the things you can assume while working on, and with, the type system, so here's an incomplete and unofficial list of invariants of the core type system: -- ✅: this invariant mostly holds, with some weird exceptions, you can rely on it outside -of these cases -- ❌: this invariant does not hold, either due to bugs or by design, you must not rely on -it for soundness or have to be incredibly careful when doing so +- ✅: this invariant mostly holds, with some weird exceptions or current bugs +- ❌: this invariant does not hold, and is unlikely to do so in the future; do not rely on it for soundness or have to be incredibly careful when doing so ### `wf(X)` implies `wf(normalize(X))` ✅ @@ -23,20 +21,23 @@ well-formed after normalizing said aliases. We rely on this as otherwise we would have to re-check for well-formedness for these types. +This currently does not hold due to a type system unsoundness: [#84533](https://github.com/rust-lang/rust/issues/84533). + ### Structural equality modulo regions implies semantic equality ✅ If you have a some type and equate it to itself after replacing any regions with unique inference variables in both the lhs and rhs, the now potentially structurally different types should still be equal to each other. -Needed to prevent goals from succeeding in HIR typeck and then failing in MIR borrowck. -If this invariant is broken MIR typeck ends up failing with an ICE. +This is needed to prevent goals from succeeding in HIR typeck and then failing in MIR borrowck. +If this invariant is broken, MIR typeck ends up failing with an ICE. ### Applying inference results from a goal does not change its result ❌ TODO: this invariant is formulated in a weird way and needs to be elaborated. Pretty much: I would like this check to only fail if there's a solver bug: -https://github.com/rust-lang/rust/blob/2ffeb4636b4ae376f716dc4378a7efb37632dc2d/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs#L391-L407 +<https://github.com/rust-lang/rust/blob/2ffeb4636b4ae376f716dc4378a7efb37632dc2d/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs#L391-L407>. +We should readd this check and see where it breaks :3 If we prove some goal/equate types/whatever, apply the resulting inference constraints, and then redo the original action, the result should be the same. @@ -73,82 +74,99 @@ Many of the currently known unsound issues end up relying on this invariant bein It is however very difficult to imagine a sound type system without this invariant, so the issue is that the invariant is broken, not that we incorrectly rely on it. -### Generic goals and their instantiations have the same result ✅ +### The type system is complete ❌ + +The type system is not complete. +It often adds unnecessary inference constraints, and errors even though the goal could hold. + +- method selection +- opaque type inference +- handling type outlives constraints +- preferring `ParamEnv` candidates over `Impl` candidates during candidate selection +in the trait solver + +### Goals keep their result from HIR typeck afterwards ✅ + +Having a goal which succeeds during HIR typeck but fails when being reevaluated during MIR borrowck causes ICE, e.g. [#140211](https://github.com/rust-lang/rust/issues/140211). -Pretty much: If we successfully typecheck a generic function concrete instantiations -of that function should also typeck. We should not get errors post-monomorphization. -We can however get overflow errors at that point. +Having a goal which succeeds during HIR typeck but fails after being instantiated is unsound, e.g. [#140212](https://github.com/rust-lang/rust/issues/140212). -TODO: example for overflow error post-monomorphization +It is interesting that we allow some incompleteness in the trait solver while still maintaining this limitation. It would be nice if there was a clear way to separate the "allowed incompleteness" from behavior which would break this invariant. + +#### Normalization must not change results This invariant is relied on to allow the normalization of generic aliases. Breaking -it can easily result in unsoundness, e.g. [#57893](https://github.com/rust-lang/rust/issues/57893) +it can easily result in unsoundness, e.g. [#57893](https://github.com/rust-lang/rust/issues/57893). + +#### Goals may still overflow after instantiation + +This happens they start to hit the recursion limit. +We also have diverging aliases which are scuffed. +It's unclear how these should be handled :3 ### Trait goals in empty environments are proven by a unique impl ✅ If a trait goal holds with an empty environment, there should be a unique `impl`, either user-defined or builtin, which is used to prove that goal. This is -necessary to select a unique method. +necessary to select unique methods and associated items. -We do however break this invariant in few cases, some of which are due to bugs, -some by design: +We do however break this invariant in a few cases, some of which are due to bugs, some by design: - *marker traits* are allowed to overlap as they do not have associated items - *specialization* allows specializing impls to overlap with their parent - the builtin trait object trait implementation can overlap with a user-defined impl: -[#57893] +[#57893](https://github.com/rust-lang/rust/issues/57893) -### The type system is complete ❌ - -The type system is not complete, it often adds unnecessary inference constraints, and errors -even though the goal could hold. - -- method selection -- opaque type inference -- handling type outlives constraints -- preferring `ParamEnv` candidates over `Impl` candidates during candidate selection -in the trait solver #### The type system is complete during the implicit negative overlap check in coherence ✅ -For more on overlap checking: [coherence] +For more on overlap checking, see [Coherence chapter]. -During the implicit negative overlap check in coherence we must never return *error* for -goals which can be proven. This would allow for overlapping impls with potentially different -associated items, breaking a bunch of other invariants. +During the implicit negative overlap check in coherence, +we must never return *error* for goals which can be proven. +This would allow for overlapping impls with potentially different associated items, +breaking a bunch of other invariants. This invariant is currently broken in many different ways while actually something we rely on. We have to be careful as it is quite easy to break: - generalization of aliases - generalization during subtyping binders (luckily not exploitable in coherence) -### Trait solving must be (free) lifetime agnostic ✅ +### Trait solving must not depend on lifetimes being different ✅ + +If a goal holds with lifetimes being different, it must also hold with these lifetimes being the same. We otherwise get post-monomorphization errors during codegen or unsoundness due to invalid vtables. -Trait solving during codegen should have the same result as during typeck. As we erase -all free regions during codegen we must not rely on them during typeck. A noteworthy example -is special behavior for `'static`. +We could also just get inconsistent behavior when first proving a goal with different lifetimes which are later constrained to be equal. + +### Trait solving in bodies must not depend on lifetimes being equal ✅ We also have to be careful with relying on equality of regions in the trait solver. This is fine for codegen, as we treat all erased regions as equal. We can however lose equality information from HIR to MIR typeck. -The new solver "uniquifies regions" during canonicalization, canonicalizing `u32: Trait<'x, 'x>` -as `exists<'0, '1> u32: Trait<'0, '1>`, to make it harder to rely on this property. +This currently does not hold with the new solver: [trait-system-refactor-initiative#27](https://github.com/rust-lang/trait-system-refactor-initiative/issues/27). ### Removing ambiguity makes strictly more things compile ❌ Ideally we *should* not rely on ambiguity for things to compile. Not doing that will cause future improvements to be breaking changes. -Due to *incompleteness* this is not the case and improving inference can result in inference -changes, breaking existing projects. +Due to *incompleteness* this is not the case, +and improving inference can result in inference changes, breaking existing projects. ### Semantic equality implies structural equality ✅ Two types being equal in the type system must mean that they have the same `TypeId` after instantiating their generic parameters with concrete -arguments. This currently does not hold: [#97156]. +arguments. We can otherwise use their different `TypeId`s to impact trait selection. + +We lookup types using structural equality during codegen, but this shouldn't necessarily be unsound +- may result in redundant method codegen or backend type check errors? +- we also rely on it in CTFE assertions + +### Semantically different types have different `TypeId`s ✅ + +Semantically different `'static` types need different `TypeId`s to avoid transmutes, +for example `for<'a> fn(&'a str)` vs `fn(&'static str)` must have a different `TypeId`. + -[#57893]: https://github.com/rust-lang/rust/issues/57893 -[#97156]: https://github.com/rust-lang/rust/issues/97156 -[#114936]: https://github.com/rust-lang/rust/issues/114936 -[coherence]: ../coherence.md +[coherence chapter]: ../coherence.md diff --git a/src/doc/rustc-dev-guide/src/tests/directives.md b/src/doc/rustc-dev-guide/src/tests/directives.md index 839076b809d..63aa08c389c 100644 --- a/src/doc/rustc-dev-guide/src/tests/directives.md +++ b/src/doc/rustc-dev-guide/src/tests/directives.md @@ -59,7 +59,7 @@ not be exhaustive. Directives can generally be found by browsing the | `aux-crate` | Like `aux-build` but makes available as extern prelude | All except `run-make` | `<extern_prelude_name>=<path/to/aux/file.rs>` | | `aux-codegen-backend` | Similar to `aux-build` but pass the compiled dylib to `-Zcodegen-backend` when building the main file | `ui-fulldeps` | Path to codegen backend file | | `proc-macro` | Similar to `aux-build`, but for aux forces host and don't use `-Cprefer-dynamic`[^pm]. | All except `run-make` | Path to auxiliary proc-macro `.rs` file | -| `build-aux-docs` | Build docs for auxiliaries as well | All except `run-make` | N/A | +| `build-aux-docs` | Build docs for auxiliaries as well. Note that this only works with `aux-build`, not `aux-crate`. | All except `run-make` | N/A | [^pm]: please see the Auxiliary proc-macro section in the [compiletest](./compiletest.md) chapter for specifics. diff --git a/src/doc/rustc-dev-guide/src/tests/intro.md b/src/doc/rustc-dev-guide/src/tests/intro.md index c55d60f4a5c..79b96c450a8 100644 --- a/src/doc/rustc-dev-guide/src/tests/intro.md +++ b/src/doc/rustc-dev-guide/src/tests/intro.md @@ -111,12 +111,14 @@ and it can be invoked so: This requires building all of the documentation, which might take a while. -### Dist check +### `distcheck` `distcheck` verifies that the source distribution tarball created by the build system will unpack, build, and run all tests. -> Example: `./x test distcheck` +```console +./x test distcheck +``` ### Tool tests diff --git a/src/doc/rustc-dev-guide/src/tests/misc.md b/src/doc/rustc-dev-guide/src/tests/misc.md index c0288b3dd10..39f88174879 100644 --- a/src/doc/rustc-dev-guide/src/tests/misc.md +++ b/src/doc/rustc-dev-guide/src/tests/misc.md @@ -9,7 +9,7 @@ for testing: - `RUSTC_BOOTSTRAP=1` will "cheat" and bypass usual stability checking, allowing you to use unstable features and cli flags on a stable `rustc`. -- `RUSTC_BOOTSTRAP=-1` will force a given `rustc` to pretend that is a stable +- `RUSTC_BOOTSTRAP=-1` will force a given `rustc` to pretend it is a stable compiler, even if it's actually a nightly `rustc`. This is useful because some behaviors of the compiler (e.g. diagnostics) can differ depending on whether the compiler is nightly or not. diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 9c077e5b7b6..f309e34c75b 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -1086,7 +1086,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { ecx: &MiriInterpCx<'tcx>, instance: ty::Instance<'tcx>, ) -> InterpResult<'tcx> { - let attrs = ecx.tcx.codegen_fn_attrs(instance.def_id()); + let attrs = ecx.tcx.codegen_instance_attrs(instance.def); if attrs .target_features .iter() @@ -1790,7 +1790,7 @@ impl<'tcx> Machine<'tcx> for MiriMachine<'tcx> { ecx.tcx.sess.opts.unstable_opts.cross_crate_inline_threshold, InliningThreshold::Always ) || !matches!( - ecx.tcx.codegen_fn_attrs(instance.def_id()).inline, + ecx.tcx.codegen_instance_attrs(instance.def).inline, InlineAttr::Never ); !is_generic && !can_be_inlined diff --git a/src/tools/rust-analyzer/Cargo.lock b/src/tools/rust-analyzer/Cargo.lock index 7432a82080d..e55cd80943d 100644 --- a/src/tools/rust-analyzer/Cargo.lock +++ b/src/tools/rust-analyzer/Cargo.lock @@ -154,6 +154,22 @@ dependencies = [ ] [[package]] +name = "cargo-util-schemas" +version = "0.8.2" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "7dc1a6f7b5651af85774ae5a34b4e8be397d9cf4bc063b7e6dbd99a841837830" +dependencies = [ + "semver", + "serde", + "serde-untagged", + "serde-value", + "thiserror 2.0.12", + "toml", + "unicode-xid", + "url", +] + +[[package]] name = "cargo_metadata" version = "0.20.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -161,7 +177,22 @@ checksum = "4f7835cfc6135093070e95eb2b53e5d9b5c403dc3a6be6040ee026270aa82502" dependencies = [ "camino", "cargo-platform", - "cargo-util-schemas", + "cargo-util-schemas 0.2.0", + "semver", + "serde", + "serde_json", + "thiserror 2.0.12", +] + +[[package]] +name = "cargo_metadata" +version = "0.21.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5cfca2aaa699835ba88faf58a06342a314a950d2b9686165e038286c30316868" +dependencies = [ + "camino", + "cargo-platform", + "cargo-util-schemas 0.8.2", "semver", "serde", "serde_json", @@ -1190,13 +1221,16 @@ checksum = "13dc2df351e3202783a1fe0d44375f7295ffb4049267b0f3018346dc122a1d94" name = "lsp-server" version = "0.7.8" dependencies = [ + "anyhow", "crossbeam-channel", "ctrlc", "log", "lsp-types", + "rustc-hash 2.1.1", "serde", "serde_derive", "serde_json", + "toolchain", ] [[package]] @@ -1471,7 +1505,7 @@ dependencies = [ "edition", "expect-test", "ra-ap-rustc_lexer", - "rustc-literal-escaper 0.0.4", + "rustc-literal-escaper", "stdx", "tracing", ] @@ -1599,7 +1633,7 @@ dependencies = [ name = "proc-macro-test" version = "0.0.0" dependencies = [ - "cargo_metadata", + "cargo_metadata 0.20.0", ] [[package]] @@ -1640,7 +1674,7 @@ version = "0.0.0" dependencies = [ "anyhow", "base-db", - "cargo_metadata", + "cargo_metadata 0.21.0", "cfg", "expect-test", "intern", @@ -1722,9 +1756,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_abi" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a967e3a9cd3e38b543f503978e0eccee461e3aea3f7b10e944959bff41dbe612" +checksum = "3ee51482d1c9d3e538acda8cce723db8eea1a81540544bf362bf4c3d841b2329" dependencies = [ "bitflags 2.9.1", "ra-ap-rustc_hashes", @@ -1734,18 +1768,18 @@ dependencies = [ [[package]] name = "ra-ap-rustc_hashes" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1ea4c755ecbbffa5743c251344f484ebe571ec7bc5b36d80b2a8ae775d1a7a40" +checksum = "19c8f1e0c28e24e1b4c55dc08058c6c9829df2204497d4034259f491d348c204" dependencies = [ "rustc-stable-hash", ] [[package]] name = "ra-ap-rustc_index" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "aca7ad7cf911538c619caa2162339fe98637e9e46f11bb0484ef96735df4d64a" +checksum = "5f33f429cec6b92fa2c7243883279fb29dd233fdc3e94099aff32aa91aa87f50" dependencies = [ "ra-ap-rustc_index_macros", "smallvec", @@ -1753,9 +1787,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_index_macros" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8767ba551c9355bc3031be072cc4bb0381106e5e7cd275e72b7a8c76051c4070" +checksum = "b9b55910dbe1fe7ef34bdc1d1bcb41e99b377eb680ea58a1218d95d6b4152257" dependencies = [ "proc-macro2", "quote", @@ -1764,9 +1798,9 @@ dependencies = [ [[package]] name = "ra-ap-rustc_lexer" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6101374afb267e6c27e4e2eb0b1352e9f3504c1a8f716f619cd39244e2ed92ab" +checksum = "22944e31fb91e9b3e75bcbc91e37d958b8c0825a6160927f2856831d2ce83b36" dependencies = [ "memchr", "unicode-properties", @@ -1775,19 +1809,19 @@ dependencies = [ [[package]] name = "ra-ap-rustc_parse_format" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ecd88a19f00da4f43e6727d5013444cbc399804b5046dfa2bbcd28ebed3970ce" +checksum = "81057891bc2063ad9e353f29462fbc47a0f5072560af34428ae9313aaa5e9d97" dependencies = [ "ra-ap-rustc_lexer", - "rustc-literal-escaper 0.0.2", + "rustc-literal-escaper", ] [[package]] name = "ra-ap-rustc_pattern_analysis" -version = "0.116.0" +version = "0.121.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bb332dd32d7850a799862533b1c021e6062558861a4ad57817bf522499fbb892" +checksum = "fe21a3542980d56d2435e96c2720773cac1c63fd4db666417e414729da192eb3" dependencies = [ "ra-ap-rustc_index", "rustc-hash 2.1.1", @@ -1855,7 +1889,7 @@ version = "0.0.0" dependencies = [ "anyhow", "base64", - "cargo_metadata", + "cargo_metadata 0.21.0", "cfg", "crossbeam-channel", "dirs", @@ -1934,12 +1968,6 @@ checksum = "357703d41365b4b27c590e3ed91eabb1b663f07c4c084095e60cbed4362dff0d" [[package]] name = "rustc-literal-escaper" -version = "0.0.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0041b6238913c41fe704213a4a9329e2f685a156d1781998128b4149c230ad04" - -[[package]] -name = "rustc-literal-escaper" version = "0.0.4" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "ab03008eb631b703dd16978282ae36c73282e7922fe101a4bd072a40ecea7b8b" @@ -2231,7 +2259,7 @@ dependencies = [ "rayon", "rowan", "rustc-hash 2.1.1", - "rustc-literal-escaper 0.0.4", + "rustc-literal-escaper", "rustc_apfloat", "smol_str", "stdx", diff --git a/src/tools/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/Cargo.toml index d268ce5b0bb..41fa06a76a7 100644 --- a/src/tools/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/Cargo.toml @@ -4,7 +4,7 @@ exclude = ["crates/proc-macro-srv/proc-macro-test/imp"] resolver = "2" [workspace.package] -rust-version = "1.86" +rust-version = "1.88" edition = "2024" license = "MIT OR Apache-2.0" authors = ["rust-analyzer team"] @@ -89,11 +89,11 @@ vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" } vfs = { path = "./crates/vfs", version = "0.0.0" } edition = { path = "./crates/edition", version = "0.0.0" } -ra-ap-rustc_lexer = { version = "0.116", default-features = false } -ra-ap-rustc_parse_format = { version = "0.116", default-features = false } -ra-ap-rustc_index = { version = "0.116", default-features = false } -ra-ap-rustc_abi = { version = "0.116", default-features = false } -ra-ap-rustc_pattern_analysis = { version = "0.116", default-features = false } +ra-ap-rustc_lexer = { version = "0.121", default-features = false } +ra-ap-rustc_parse_format = { version = "0.121", default-features = false } +ra-ap-rustc_index = { version = "0.121", default-features = false } +ra-ap-rustc_abi = { version = "0.121", default-features = false } +ra-ap-rustc_pattern_analysis = { version = "0.121", default-features = false } # local crates that aren't published to crates.io. These should not have versions. @@ -106,7 +106,7 @@ lsp-server = { version = "0.7.8" } anyhow = "1.0.98" arrayvec = "0.7.6" bitflags = "2.9.1" -cargo_metadata = "0.20.0" +cargo_metadata = "0.21.0" camino = "1.1.10" chalk-solve = { version = "0.103.0", default-features = false } chalk-ir = "0.103.0" @@ -138,7 +138,11 @@ rayon = "1.10.0" rowan = "=0.15.15" # Ideally we'd not enable the macros feature but unfortunately the `tracked` attribute does not work # on impls without it -salsa = { version = "0.23.0", default-features = true, features = ["rayon","salsa_unstable", "macros"] } +salsa = { version = "0.23.0", default-features = true, features = [ + "rayon", + "salsa_unstable", + "macros", +] } salsa-macros = "0.23.0" semver = "1.0.26" serde = { version = "1.0.219" } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs index 51612f341a1..d3dfc05eb29 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store.rs @@ -22,6 +22,7 @@ use rustc_hash::FxHashMap; use smallvec::SmallVec; use span::{Edition, SyntaxContext}; use syntax::{AstPtr, SyntaxNodePtr, ast}; +use thin_vec::ThinVec; use triomphe::Arc; use tt::TextRange; @@ -93,17 +94,17 @@ pub type TypeSource = InFile<TypePtr>; pub type LifetimePtr = AstPtr<ast::Lifetime>; pub type LifetimeSource = InFile<LifetimePtr>; +// We split the store into types-only and expressions, because most stores (e.g. generics) +// don't store any expressions and this saves memory. Same thing for the source map. #[derive(Debug, PartialEq, Eq)] -pub struct ExpressionStore { - pub exprs: Arena<Expr>, - pub pats: Arena<Pat>, - pub bindings: Arena<Binding>, - pub labels: Arena<Label>, - pub types: Arena<TypeRef>, - pub lifetimes: Arena<LifetimeRef>, +struct ExpressionOnlyStore { + exprs: Arena<Expr>, + pats: Arena<Pat>, + bindings: Arena<Binding>, + labels: Arena<Label>, /// Id of the closure/coroutine that owns the corresponding binding. If a binding is owned by the /// top level expression, it will not be listed in here. - pub binding_owners: FxHashMap<BindingId, ExprId>, + binding_owners: FxHashMap<BindingId, ExprId>, /// Block expressions in this store that may contain inner items. block_scopes: Box<[BlockId]>, @@ -114,8 +115,15 @@ pub struct ExpressionStore { ident_hygiene: FxHashMap<ExprOrPatId, HygieneId>, } +#[derive(Debug, PartialEq, Eq)] +pub struct ExpressionStore { + expr_only: Option<Box<ExpressionOnlyStore>>, + pub types: Arena<TypeRef>, + pub lifetimes: Arena<LifetimeRef>, +} + #[derive(Debug, Eq, Default)] -pub struct ExpressionStoreSourceMap { +struct ExpressionOnlySourceMap { // AST expressions can create patterns in destructuring assignments. Therefore, `ExprSource` can also map // to `PatId`, and `PatId` can also map to `ExprSource` (the other way around is unaffected). expr_map: FxHashMap<ExprSource, ExprOrPatId>, @@ -127,12 +135,6 @@ pub struct ExpressionStoreSourceMap { label_map: FxHashMap<LabelSource, LabelId>, label_map_back: ArenaMap<LabelId, LabelSource>, - types_map_back: ArenaMap<TypeRefId, TypeSource>, - types_map: FxHashMap<TypeSource, TypeRefId>, - - lifetime_map_back: ArenaMap<LifetimeRefId, LifetimeSource>, - lifetime_map: FxHashMap<LifetimeSource, LifetimeRefId>, - binding_definitions: ArenaMap<BindingId, SmallVec<[PatId; 2 * size_of::<usize>() / size_of::<PatId>()]>>, @@ -143,14 +145,17 @@ pub struct ExpressionStoreSourceMap { template_map: Option<Box<FormatTemplate>>, - pub expansions: FxHashMap<InFile<MacroCallPtr>, MacroCallId>, + expansions: FxHashMap<InFile<MacroCallPtr>, MacroCallId>, /// Diagnostics accumulated during lowering. These contain `AstPtr`s and so are stored in /// the source map (since they're just as volatile). - pub diagnostics: Vec<ExpressionStoreDiagnostics>, + // + // We store diagnostics on the `ExpressionOnlySourceMap` because diagnostics are rare (except + // maybe for cfgs, and they are also not common in type places). + diagnostics: ThinVec<ExpressionStoreDiagnostics>, } -impl PartialEq for ExpressionStoreSourceMap { +impl PartialEq for ExpressionOnlySourceMap { fn eq(&self, other: &Self) -> bool { // we only need to compare one of the two mappings // as the other is a reverse mapping and thus will compare @@ -162,10 +167,6 @@ impl PartialEq for ExpressionStoreSourceMap { pat_map_back, label_map: _, label_map_back, - types_map_back, - types_map: _, - lifetime_map_back, - lifetime_map: _, // If this changed, our pattern data must have changed binding_definitions: _, // If this changed, our expression data must have changed @@ -179,14 +180,40 @@ impl PartialEq for ExpressionStoreSourceMap { *expr_map_back == other.expr_map_back && *pat_map_back == other.pat_map_back && *label_map_back == other.label_map_back - && *types_map_back == other.types_map_back - && *lifetime_map_back == other.lifetime_map_back && *template_map == other.template_map && *expansions == other.expansions && *diagnostics == other.diagnostics } } +#[derive(Debug, Eq, Default)] +pub struct ExpressionStoreSourceMap { + expr_only: Option<Box<ExpressionOnlySourceMap>>, + + types_map_back: ArenaMap<TypeRefId, TypeSource>, + types_map: FxHashMap<TypeSource, TypeRefId>, + + lifetime_map_back: ArenaMap<LifetimeRefId, LifetimeSource>, + #[expect( + unused, + reason = "this is here for completeness, and maybe we'll need it in the future" + )] + lifetime_map: FxHashMap<LifetimeSource, LifetimeRefId>, +} + +impl PartialEq for ExpressionStoreSourceMap { + fn eq(&self, other: &Self) -> bool { + // we only need to compare one of the two mappings + // as the other is a reverse mapping and thus will compare + // the same as normal mapping + let Self { expr_only, types_map_back, types_map: _, lifetime_map_back, lifetime_map: _ } = + self; + *expr_only == other.expr_only + && *types_map_back == other.types_map_back + && *lifetime_map_back == other.lifetime_map_back + } +} + /// The body of an item (function, const etc.). #[derive(Debug, Eq, PartialEq, Default)] pub struct ExpressionStoreBuilder { @@ -199,6 +226,42 @@ pub struct ExpressionStoreBuilder { pub types: Arena<TypeRef>, block_scopes: Vec<BlockId>, ident_hygiene: FxHashMap<ExprOrPatId, HygieneId>, + + // AST expressions can create patterns in destructuring assignments. Therefore, `ExprSource` can also map + // to `PatId`, and `PatId` can also map to `ExprSource` (the other way around is unaffected). + expr_map: FxHashMap<ExprSource, ExprOrPatId>, + expr_map_back: ArenaMap<ExprId, ExprOrPatSource>, + + pat_map: FxHashMap<PatSource, ExprOrPatId>, + pat_map_back: ArenaMap<PatId, ExprOrPatSource>, + + label_map: FxHashMap<LabelSource, LabelId>, + label_map_back: ArenaMap<LabelId, LabelSource>, + + types_map_back: ArenaMap<TypeRefId, TypeSource>, + types_map: FxHashMap<TypeSource, TypeRefId>, + + lifetime_map_back: ArenaMap<LifetimeRefId, LifetimeSource>, + lifetime_map: FxHashMap<LifetimeSource, LifetimeRefId>, + + binding_definitions: + ArenaMap<BindingId, SmallVec<[PatId; 2 * size_of::<usize>() / size_of::<PatId>()]>>, + + /// We don't create explicit nodes for record fields (`S { record_field: 92 }`). + /// Instead, we use id of expression (`92`) to identify the field. + field_map_back: FxHashMap<ExprId, FieldSource>, + pat_field_map_back: FxHashMap<PatId, PatFieldSource>, + + template_map: Option<Box<FormatTemplate>>, + + expansions: FxHashMap<InFile<MacroCallPtr>, MacroCallId>, + + /// Diagnostics accumulated during lowering. These contain `AstPtr`s and so are stored in + /// the source map (since they're just as volatile). + // + // We store diagnostics on the `ExpressionOnlySourceMap` because diagnostics are rare (except + // maybe for cfgs, and they are also not common in type places). + pub(crate) diagnostics: Vec<ExpressionStoreDiagnostics>, } #[derive(Default, Debug, Eq, PartialEq)] @@ -226,7 +289,7 @@ pub enum ExpressionStoreDiagnostics { } impl ExpressionStoreBuilder { - pub fn finish(self) -> ExpressionStore { + pub fn finish(self) -> (ExpressionStore, ExpressionStoreSourceMap) { let Self { block_scopes, mut exprs, @@ -237,6 +300,23 @@ impl ExpressionStoreBuilder { mut ident_hygiene, mut types, mut lifetimes, + + mut expr_map, + mut expr_map_back, + mut pat_map, + mut pat_map_back, + mut label_map, + mut label_map_back, + mut types_map_back, + mut types_map, + mut lifetime_map_back, + mut lifetime_map, + mut binding_definitions, + mut field_map_back, + mut pat_field_map_back, + mut template_map, + mut expansions, + diagnostics, } = self; exprs.shrink_to_fit(); labels.shrink_to_fit(); @@ -247,24 +327,90 @@ impl ExpressionStoreBuilder { types.shrink_to_fit(); lifetimes.shrink_to_fit(); - ExpressionStore { - exprs, - pats, - bindings, - labels, - binding_owners, - types, - lifetimes, - block_scopes: block_scopes.into_boxed_slice(), - ident_hygiene, + expr_map.shrink_to_fit(); + expr_map_back.shrink_to_fit(); + pat_map.shrink_to_fit(); + pat_map_back.shrink_to_fit(); + label_map.shrink_to_fit(); + label_map_back.shrink_to_fit(); + types_map_back.shrink_to_fit(); + types_map.shrink_to_fit(); + lifetime_map_back.shrink_to_fit(); + lifetime_map.shrink_to_fit(); + binding_definitions.shrink_to_fit(); + field_map_back.shrink_to_fit(); + pat_field_map_back.shrink_to_fit(); + if let Some(template_map) = &mut template_map { + let FormatTemplate { + format_args_to_captures, + asm_to_captures, + implicit_capture_to_source, + } = &mut **template_map; + format_args_to_captures.shrink_to_fit(); + asm_to_captures.shrink_to_fit(); + implicit_capture_to_source.shrink_to_fit(); } + expansions.shrink_to_fit(); + + let has_exprs = + !exprs.is_empty() || !labels.is_empty() || !pats.is_empty() || !bindings.is_empty(); + + let store = { + let expr_only = if has_exprs { + Some(Box::new(ExpressionOnlyStore { + exprs, + pats, + bindings, + labels, + binding_owners, + block_scopes: block_scopes.into_boxed_slice(), + ident_hygiene, + })) + } else { + None + }; + ExpressionStore { expr_only, types, lifetimes } + }; + + let source_map = { + let expr_only = if has_exprs || !expansions.is_empty() || !diagnostics.is_empty() { + Some(Box::new(ExpressionOnlySourceMap { + expr_map, + expr_map_back, + pat_map, + pat_map_back, + label_map, + label_map_back, + binding_definitions, + field_map_back, + pat_field_map_back, + template_map, + expansions, + diagnostics: ThinVec::from_iter(diagnostics), + })) + } else { + None + }; + ExpressionStoreSourceMap { + expr_only, + types_map_back, + types_map, + lifetime_map_back, + lifetime_map, + } + }; + + (store, source_map) } } impl ExpressionStore { - pub fn empty_singleton() -> Arc<Self> { - static EMPTY: LazyLock<Arc<ExpressionStore>> = - LazyLock::new(|| Arc::new(ExpressionStoreBuilder::default().finish())); + pub fn empty_singleton() -> (Arc<ExpressionStore>, Arc<ExpressionStoreSourceMap>) { + static EMPTY: LazyLock<(Arc<ExpressionStore>, Arc<ExpressionStoreSourceMap>)> = + LazyLock::new(|| { + let (store, source_map) = ExpressionStoreBuilder::default().finish(); + (Arc::new(store), Arc::new(source_map)) + }); EMPTY.clone() } @@ -273,7 +419,12 @@ impl ExpressionStore { &'a self, db: &'a dyn DefDatabase, ) -> impl Iterator<Item = (BlockId, &'a DefMap)> + 'a { - self.block_scopes.iter().map(move |&block| (block, block_def_map(db, block))) + self.expr_only + .as_ref() + .map(|it| &*it.block_scopes) + .unwrap_or_default() + .iter() + .map(move |&block| (block, block_def_map(db, block))) } pub fn walk_bindings_in_pat(&self, pat_id: PatId, mut f: impl FnMut(BindingId)) { @@ -320,7 +471,8 @@ impl ExpressionStore { } pub fn is_binding_upvar(&self, binding: BindingId, relative_to: ExprId) -> bool { - match self.binding_owners.get(&binding) { + let Some(expr_only) = &self.expr_only else { return false }; + match expr_only.binding_owners.get(&binding) { Some(it) => { // We assign expression ids in a way that outer closures will receive // a lower id @@ -330,6 +482,11 @@ impl ExpressionStore { } } + #[inline] + pub fn binding_owner(&self, id: BindingId) -> Option<ExprId> { + self.expr_only.as_ref()?.binding_owners.get(&id).copied() + } + /// Walks the immediate children expressions and calls `f` for each child expression. /// /// Note that this does not walk const blocks. @@ -601,16 +758,22 @@ impl ExpressionStore { }); } + #[inline] + #[track_caller] + fn assert_expr_only(&self) -> &ExpressionOnlyStore { + self.expr_only.as_ref().expect("should have `ExpressionStore::expr_only`") + } + fn binding_hygiene(&self, binding: BindingId) -> HygieneId { - self.bindings[binding].hygiene + self.assert_expr_only().bindings[binding].hygiene } pub fn expr_path_hygiene(&self, expr: ExprId) -> HygieneId { - self.ident_hygiene.get(&expr.into()).copied().unwrap_or(HygieneId::ROOT) + self.assert_expr_only().ident_hygiene.get(&expr.into()).copied().unwrap_or(HygieneId::ROOT) } pub fn pat_path_hygiene(&self, pat: PatId) -> HygieneId { - self.ident_hygiene.get(&pat.into()).copied().unwrap_or(HygieneId::ROOT) + self.assert_expr_only().ident_hygiene.get(&pat.into()).copied().unwrap_or(HygieneId::ROOT) } pub fn expr_or_pat_path_hygiene(&self, id: ExprOrPatId) -> HygieneId { @@ -619,43 +782,72 @@ impl ExpressionStore { ExprOrPatId::PatId(id) => self.pat_path_hygiene(id), } } + + #[inline] + pub fn exprs(&self) -> impl Iterator<Item = (ExprId, &Expr)> { + match &self.expr_only { + Some(it) => it.exprs.iter(), + None => const { &Arena::new() }.iter(), + } + } + + #[inline] + pub fn pats(&self) -> impl Iterator<Item = (PatId, &Pat)> { + match &self.expr_only { + Some(it) => it.pats.iter(), + None => const { &Arena::new() }.iter(), + } + } + + #[inline] + pub fn bindings(&self) -> impl Iterator<Item = (BindingId, &Binding)> { + match &self.expr_only { + Some(it) => it.bindings.iter(), + None => const { &Arena::new() }.iter(), + } + } } impl Index<ExprId> for ExpressionStore { type Output = Expr; + #[inline] fn index(&self, expr: ExprId) -> &Expr { - &self.exprs[expr] + &self.assert_expr_only().exprs[expr] } } impl Index<PatId> for ExpressionStore { type Output = Pat; + #[inline] fn index(&self, pat: PatId) -> &Pat { - &self.pats[pat] + &self.assert_expr_only().pats[pat] } } impl Index<LabelId> for ExpressionStore { type Output = Label; + #[inline] fn index(&self, label: LabelId) -> &Label { - &self.labels[label] + &self.assert_expr_only().labels[label] } } impl Index<BindingId> for ExpressionStore { type Output = Binding; + #[inline] fn index(&self, b: BindingId) -> &Binding { - &self.bindings[b] + &self.assert_expr_only().bindings[b] } } impl Index<TypeRefId> for ExpressionStore { type Output = TypeRef; + #[inline] fn index(&self, b: TypeRefId) -> &TypeRef { &self.types[b] } @@ -664,6 +856,7 @@ impl Index<TypeRefId> for ExpressionStore { impl Index<LifetimeRefId> for ExpressionStore { type Output = LifetimeRef; + #[inline] fn index(&self, b: LifetimeRefId) -> &LifetimeRef { &self.lifetimes[b] } @@ -684,12 +877,6 @@ impl Index<PathId> for ExpressionStore { // FIXME: Change `node_` prefix to something more reasonable. // Perhaps `expr_syntax` and `expr_id`? impl ExpressionStoreSourceMap { - pub fn empty_singleton() -> Arc<Self> { - static EMPTY: LazyLock<Arc<ExpressionStoreSourceMap>> = - LazyLock::new(|| Arc::new(ExpressionStoreSourceMap::default())); - EMPTY.clone() - } - pub fn expr_or_pat_syntax(&self, id: ExprOrPatId) -> Result<ExprOrPatSource, SyntheticSyntax> { match id { ExprOrPatId::ExprId(id) => self.expr_syntax(id), @@ -697,30 +884,46 @@ impl ExpressionStoreSourceMap { } } + #[inline] + fn expr_or_synthetic(&self) -> Result<&ExpressionOnlySourceMap, SyntheticSyntax> { + self.expr_only.as_deref().ok_or(SyntheticSyntax) + } + + #[inline] + fn expr_only(&self) -> Option<&ExpressionOnlySourceMap> { + self.expr_only.as_deref() + } + + #[inline] + #[track_caller] + fn assert_expr_only(&self) -> &ExpressionOnlySourceMap { + self.expr_only.as_ref().expect("should have `ExpressionStoreSourceMap::expr_only`") + } + pub fn expr_syntax(&self, expr: ExprId) -> Result<ExprOrPatSource, SyntheticSyntax> { - self.expr_map_back.get(expr).cloned().ok_or(SyntheticSyntax) + self.expr_or_synthetic()?.expr_map_back.get(expr).cloned().ok_or(SyntheticSyntax) } pub fn node_expr(&self, node: InFile<&ast::Expr>) -> Option<ExprOrPatId> { let src = node.map(AstPtr::new); - self.expr_map.get(&src).cloned() + self.expr_only()?.expr_map.get(&src).cloned() } pub fn node_macro_file(&self, node: InFile<&ast::MacroCall>) -> Option<MacroCallId> { let src = node.map(AstPtr::new); - self.expansions.get(&src).cloned() + self.expr_only()?.expansions.get(&src).cloned() } pub fn macro_calls(&self) -> impl Iterator<Item = (InFile<MacroCallPtr>, MacroCallId)> + '_ { - self.expansions.iter().map(|(&a, &b)| (a, b)) + self.expr_only().into_iter().flat_map(|it| it.expansions.iter().map(|(&a, &b)| (a, b))) } pub fn pat_syntax(&self, pat: PatId) -> Result<ExprOrPatSource, SyntheticSyntax> { - self.pat_map_back.get(pat).cloned().ok_or(SyntheticSyntax) + self.expr_or_synthetic()?.pat_map_back.get(pat).cloned().ok_or(SyntheticSyntax) } pub fn node_pat(&self, node: InFile<&ast::Pat>) -> Option<ExprOrPatId> { - self.pat_map.get(&node.map(AstPtr::new)).cloned() + self.expr_only()?.pat_map.get(&node.map(AstPtr::new)).cloned() } pub fn type_syntax(&self, id: TypeRefId) -> Result<TypeSource, SyntheticSyntax> { @@ -732,49 +935,50 @@ impl ExpressionStoreSourceMap { } pub fn label_syntax(&self, label: LabelId) -> LabelSource { - self.label_map_back[label] + self.assert_expr_only().label_map_back[label] } pub fn patterns_for_binding(&self, binding: BindingId) -> &[PatId] { - self.binding_definitions.get(binding).map_or(&[], Deref::deref) + self.assert_expr_only().binding_definitions.get(binding).map_or(&[], Deref::deref) } pub fn node_label(&self, node: InFile<&ast::Label>) -> Option<LabelId> { let src = node.map(AstPtr::new); - self.label_map.get(&src).cloned() + self.expr_only()?.label_map.get(&src).cloned() } pub fn field_syntax(&self, expr: ExprId) -> FieldSource { - self.field_map_back[&expr] + self.assert_expr_only().field_map_back[&expr] } pub fn pat_field_syntax(&self, pat: PatId) -> PatFieldSource { - self.pat_field_map_back[&pat] + self.assert_expr_only().pat_field_map_back[&pat] } pub fn macro_expansion_expr(&self, node: InFile<&ast::MacroExpr>) -> Option<ExprOrPatId> { let src = node.map(AstPtr::new).map(AstPtr::upcast::<ast::MacroExpr>).map(AstPtr::upcast); - self.expr_map.get(&src).copied() + self.expr_only()?.expr_map.get(&src).copied() } pub fn expansions(&self) -> impl Iterator<Item = (&InFile<MacroCallPtr>, &MacroCallId)> { - self.expansions.iter() + self.expr_only().into_iter().flat_map(|it| it.expansions.iter()) } pub fn expansion(&self, node: InFile<&ast::MacroCall>) -> Option<MacroCallId> { - self.expansions.get(&node.map(AstPtr::new)).copied() + self.expr_only()?.expansions.get(&node.map(AstPtr::new)).copied() } pub fn implicit_format_args( &self, node: InFile<&ast::FormatArgsExpr>, ) -> Option<(HygieneId, &[(syntax::TextRange, Name)])> { + let expr_only = self.expr_only()?; let src = node.map(AstPtr::new).map(AstPtr::upcast::<ast::Expr>); - let (hygiene, names) = self + let (hygiene, names) = expr_only .template_map .as_ref()? .format_args_to_captures - .get(&self.expr_map.get(&src)?.as_expr()?)?; + .get(&expr_only.expr_map.get(&src)?.as_expr()?)?; Some((*hygiene, &**names)) } @@ -782,67 +986,28 @@ impl ExpressionStoreSourceMap { &self, capture_expr: ExprId, ) -> Option<InFile<(ExprPtr, TextRange)>> { - self.template_map.as_ref()?.implicit_capture_to_source.get(&capture_expr).copied() + self.expr_only()? + .template_map + .as_ref()? + .implicit_capture_to_source + .get(&capture_expr) + .copied() } pub fn asm_template_args( &self, node: InFile<&ast::AsmExpr>, ) -> Option<(ExprId, &[Vec<(syntax::TextRange, usize)>])> { + let expr_only = self.expr_only()?; let src = node.map(AstPtr::new).map(AstPtr::upcast::<ast::Expr>); - let expr = self.expr_map.get(&src)?.as_expr()?; - Some(expr) - .zip(self.template_map.as_ref()?.asm_to_captures.get(&expr).map(std::ops::Deref::deref)) + let expr = expr_only.expr_map.get(&src)?.as_expr()?; + Some(expr).zip( + expr_only.template_map.as_ref()?.asm_to_captures.get(&expr).map(std::ops::Deref::deref), + ) } /// Get a reference to the source map's diagnostics. pub fn diagnostics(&self) -> &[ExpressionStoreDiagnostics] { - &self.diagnostics - } - - fn shrink_to_fit(&mut self) { - let Self { - expr_map, - expr_map_back, - pat_map, - pat_map_back, - label_map, - label_map_back, - field_map_back, - pat_field_map_back, - expansions, - template_map, - diagnostics, - binding_definitions, - types_map, - types_map_back, - lifetime_map_back, - lifetime_map, - } = self; - if let Some(template_map) = template_map { - let FormatTemplate { - format_args_to_captures, - asm_to_captures, - implicit_capture_to_source, - } = &mut **template_map; - format_args_to_captures.shrink_to_fit(); - asm_to_captures.shrink_to_fit(); - implicit_capture_to_source.shrink_to_fit(); - } - expr_map.shrink_to_fit(); - expr_map_back.shrink_to_fit(); - pat_map.shrink_to_fit(); - pat_map_back.shrink_to_fit(); - label_map.shrink_to_fit(); - label_map_back.shrink_to_fit(); - field_map_back.shrink_to_fit(); - pat_field_map_back.shrink_to_fit(); - expansions.shrink_to_fit(); - diagnostics.shrink_to_fit(); - binding_definitions.shrink_to_fit(); - types_map.shrink_to_fit(); - types_map_back.shrink_to_fit(); - lifetime_map.shrink_to_fit(); - lifetime_map_back.shrink_to_fit(); + self.expr_only().map(|it| &*it.diagnostics).unwrap_or_default() } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/body.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/body.rs index fb6d931e0e4..c955393b9cf 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/body.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/body.rs @@ -36,6 +36,7 @@ pub struct Body { impl ops::Deref for Body { type Target = ExpressionStore; + #[inline] fn deref(&self) -> &Self::Target { &self.store } @@ -61,6 +62,7 @@ pub struct BodySourceMap { impl ops::Deref for BodySourceMap { type Target = ExpressionStoreSourceMap; + #[inline] fn deref(&self) -> &Self::Target { &self.store } @@ -102,9 +104,7 @@ impl Body { } }; let module = def.module(db); - let (body, mut source_map) = - lower_body(db, def, file_id, module, params, body, is_async_fn); - source_map.store.shrink_to_fit(); + let (body, source_map) = lower_body(db, def, file_id, module, params, body, is_async_fn); (Arc::new(body), Arc::new(source_map)) } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs index c0e51b338b4..4e877748ca2 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower.rs @@ -121,14 +121,10 @@ pub(super) fn lower_body( params = (0..count).map(|_| collector.missing_pat()).collect(); }; let body_expr = collector.missing_expr(); + let (store, source_map) = collector.store.finish(); return ( - Body { - store: collector.store.finish(), - params: params.into_boxed_slice(), - self_param, - body_expr, - }, - BodySourceMap { self_param: source_map_self_param, store: collector.source_map }, + Body { store, params: params.into_boxed_slice(), self_param, body_expr }, + BodySourceMap { self_param: source_map_self_param, store: source_map }, ); } @@ -171,14 +167,10 @@ pub(super) fn lower_body( }, ); + let (store, source_map) = collector.store.finish(); ( - Body { - store: collector.store.finish(), - params: params.into_boxed_slice(), - self_param, - body_expr, - }, - BodySourceMap { self_param: source_map_self_param, store: collector.source_map }, + Body { store, params: params.into_boxed_slice(), self_param, body_expr }, + BodySourceMap { self_param: source_map_self_param, store: source_map }, ) } @@ -190,7 +182,8 @@ pub(crate) fn lower_type_ref( let mut expr_collector = ExprCollector::new(db, module, type_ref.file_id); let type_ref = expr_collector.lower_type_ref_opt(type_ref.value, &mut ExprCollector::impl_trait_allocator); - (expr_collector.store.finish(), expr_collector.source_map, type_ref) + let (store, source_map) = expr_collector.store.finish(); + (store, source_map, type_ref) } pub(crate) fn lower_generic_params( @@ -205,7 +198,8 @@ pub(crate) fn lower_generic_params( let mut collector = generics::GenericParamsCollector::new(def); collector.lower(&mut expr_collector, param_list, where_clause); let params = collector.finish(); - (Arc::new(expr_collector.store.finish()), params, expr_collector.source_map) + let (store, source_map) = expr_collector.store.finish(); + (Arc::new(store), params, source_map) } pub(crate) fn lower_impl( @@ -232,7 +226,8 @@ pub(crate) fn lower_impl( impl_syntax.value.where_clause(), ); let params = collector.finish(); - (expr_collector.store.finish(), expr_collector.source_map, self_ty, trait_, params) + let (store, source_map) = expr_collector.store.finish(); + (store, source_map, self_ty, trait_, params) } pub(crate) fn lower_trait( @@ -253,7 +248,8 @@ pub(crate) fn lower_trait( trait_syntax.value.where_clause(), ); let params = collector.finish(); - (expr_collector.store.finish(), expr_collector.source_map, params) + let (store, source_map) = expr_collector.store.finish(); + (store, source_map, params) } pub(crate) fn lower_trait_alias( @@ -274,7 +270,8 @@ pub(crate) fn lower_trait_alias( trait_syntax.value.where_clause(), ); let params = collector.finish(); - (expr_collector.store.finish(), expr_collector.source_map, params) + let (store, source_map) = expr_collector.store.finish(); + (store, source_map, params) } pub(crate) fn lower_type_alias( @@ -313,7 +310,8 @@ pub(crate) fn lower_type_alias( .value .ty() .map(|ty| expr_collector.lower_type_ref(ty, &mut ExprCollector::impl_trait_allocator)); - (expr_collector.store.finish(), expr_collector.source_map, params, bounds, type_ref) + let (store, source_map) = expr_collector.store.finish(); + (store, source_map, params, bounds, type_ref) } pub(crate) fn lower_function( @@ -421,9 +419,10 @@ pub(crate) fn lower_function( } else { return_type }; + let (store, source_map) = expr_collector.store.finish(); ( - expr_collector.store.finish(), - expr_collector.source_map, + store, + source_map, generics, params.into_boxed_slice(), return_type, @@ -440,7 +439,6 @@ pub struct ExprCollector<'db> { local_def_map: &'db LocalDefMap, module: ModuleId, pub store: ExpressionStoreBuilder, - pub(crate) source_map: ExpressionStoreSourceMap, // state stuff // Prevent nested impl traits like `impl Foo<impl Bar>`. @@ -551,7 +549,6 @@ impl ExprCollector<'_> { module, def_map, local_def_map, - source_map: ExpressionStoreSourceMap::default(), store: ExpressionStoreBuilder::default(), expander, current_try_block_label: None, @@ -698,7 +695,7 @@ impl ExprCollector<'_> { let id = self.collect_macro_call(mcall, macro_ptr, true, |this, expansion| { this.lower_type_ref_opt(expansion, impl_trait_lower_fn) }); - self.source_map.types_map.insert(src, id); + self.store.types_map.insert(src, id); return id; } None => TypeRef::Error, @@ -732,8 +729,8 @@ impl ExprCollector<'_> { fn alloc_type_ref(&mut self, type_ref: TypeRef, node: TypePtr) -> TypeRefId { let id = self.store.types.alloc(type_ref); let ptr = self.expander.in_file(node); - self.source_map.types_map_back.insert(id, ptr); - self.source_map.types_map.insert(ptr, id); + self.store.types_map_back.insert(id, ptr); + self.store.types_map.insert(ptr, id); id } @@ -744,8 +741,8 @@ impl ExprCollector<'_> { ) -> LifetimeRefId { let id = self.store.lifetimes.alloc(lifetime_ref); let ptr = self.expander.in_file(node); - self.source_map.lifetime_map_back.insert(id, ptr); - self.source_map.lifetime_map.insert(ptr, id); + self.store.lifetime_map_back.insert(id, ptr); + self.store.lifetime_map.insert(ptr, id); id } @@ -1190,14 +1187,14 @@ impl ExprCollector<'_> { } ast::Expr::ContinueExpr(e) => { let label = self.resolve_label(e.lifetime()).unwrap_or_else(|e| { - self.source_map.diagnostics.push(e); + self.store.diagnostics.push(e); None }); self.alloc_expr(Expr::Continue { label }, syntax_ptr) } ast::Expr::BreakExpr(e) => { let label = self.resolve_label(e.lifetime()).unwrap_or_else(|e| { - self.source_map.diagnostics.push(e); + self.store.diagnostics.push(e); None }); let expr = e.expr().map(|e| self.collect_expr(e)); @@ -1207,7 +1204,7 @@ impl ExprCollector<'_> { let inner = self.collect_expr_opt(e.expr()); // make the paren expr point to the inner expression as well for IDE resolution let src = self.expander.in_file(syntax_ptr); - self.source_map.expr_map.insert(src, inner.into()); + self.store.expr_map.insert(src, inner.into()); inner } ast::Expr::ReturnExpr(e) => { @@ -1248,7 +1245,7 @@ impl ExprCollector<'_> { None => self.missing_expr(), }; let src = self.expander.in_file(AstPtr::new(&field)); - self.source_map.field_map_back.insert(expr, src); + self.store.field_map_back.insert(expr, src); Some(RecordLitField { name, expr }) }) .collect(); @@ -1271,12 +1268,10 @@ impl ExprCollector<'_> { ast::Expr::AwaitExpr(e) => { let expr = self.collect_expr_opt(e.expr()); if let Awaitable::No(location) = self.is_lowering_awaitable_block() { - self.source_map.diagnostics.push( - ExpressionStoreDiagnostics::AwaitOutsideOfAsync { - node: self.expander.in_file(AstPtr::new(&e)), - location: location.to_string(), - }, - ); + self.store.diagnostics.push(ExpressionStoreDiagnostics::AwaitOutsideOfAsync { + node: self.expander.in_file(AstPtr::new(&e)), + location: location.to_string(), + }); } self.alloc_expr(Expr::Await { expr }, syntax_ptr) } @@ -1442,7 +1437,7 @@ impl ExprCollector<'_> { // Make the macro-call point to its expanded expression so we can query // semantics on syntax pointers to the macro let src = self.expander.in_file(syntax_ptr); - self.source_map.expr_map.insert(src, id.into()); + self.store.expr_map.insert(src, id.into()); id } None => self.alloc_expr(Expr::Missing, syntax_ptr), @@ -1486,7 +1481,7 @@ impl ExprCollector<'_> { let expr = self.collect_expr(expr); // Do not use `alloc_pat_from_expr()` here, it will override the entry in `expr_map`. let id = self.store.pats.alloc(Pat::Expr(expr)); - self.source_map.pat_map_back.insert(id, src); + self.store.pat_map_back.insert(id, src); id }) } @@ -1555,7 +1550,7 @@ impl ExprCollector<'_> { let id = self.collect_macro_call(e, macro_ptr, true, |this, expansion| { this.collect_expr_as_pat_opt(expansion) }); - self.source_map.expr_map.insert(src, id.into()); + self.store.expr_map.insert(src, id.into()); id } ast::Expr::RecordExpr(e) => { @@ -1576,7 +1571,7 @@ impl ExprCollector<'_> { let pat = self.collect_expr_as_pat(field_expr); let name = f.field_name()?.as_name(); let src = self.expander.in_file(AstPtr::new(&f).wrap_left()); - self.source_map.pat_field_map_back.insert(pat, src); + self.store.pat_field_map_back.insert(pat, src); Some(RecordFieldPat { name, pat }) }) .collect(); @@ -1622,7 +1617,7 @@ impl ExprCollector<'_> { ); if let Either::Left(pat) = pat { let src = this.expander.in_file(AstPtr::new(&expr).wrap_left()); - this.source_map.pat_map_back.insert(pat, src); + this.store.pat_map_back.insert(pat, src); } pat } @@ -1968,7 +1963,7 @@ impl ExprCollector<'_> { self.module.krate(), resolver, &mut |ptr, call| { - _ = self.source_map.expansions.insert(ptr.map(|(it, _)| it), call); + _ = self.store.expansions.insert(ptr.map(|(it, _)| it), call); }, ) } @@ -1978,19 +1973,17 @@ impl ExprCollector<'_> { Ok(res) => res, Err(UnresolvedMacro { path }) => { if record_diagnostics { - self.source_map.diagnostics.push( - ExpressionStoreDiagnostics::UnresolvedMacroCall { - node: self.expander.in_file(syntax_ptr), - path, - }, - ); + self.store.diagnostics.push(ExpressionStoreDiagnostics::UnresolvedMacroCall { + node: self.expander.in_file(syntax_ptr), + path, + }); } return collector(self, None); } }; if record_diagnostics { if let Some(err) = res.err { - self.source_map + self.store .diagnostics .push(ExpressionStoreDiagnostics::MacroError { node: macro_call_ptr, err }); } @@ -2001,7 +1994,7 @@ impl ExprCollector<'_> { // Keep collecting even with expansion errors so we can provide completions and // other services in incomplete macro expressions. if let Some(macro_file) = self.expander.current_file_id().macro_file() { - self.source_map.expansions.insert(macro_call_ptr, macro_file); + self.store.expansions.insert(macro_call_ptr, macro_file); } if record_diagnostics { @@ -2050,7 +2043,7 @@ impl ExprCollector<'_> { // Make the macro-call point to its expanded expression so we can query // semantics on syntax pointers to the macro let src = self.expander.in_file(syntax_ptr); - self.source_map.expr_map.insert(src, tail.into()); + self.store.expr_map.insert(src, tail.into()); }) } @@ -2361,7 +2354,7 @@ impl ExprCollector<'_> { let pat = self.collect_pat(ast_pat, binding_list); let name = f.field_name()?.as_name(); let src = self.expander.in_file(AstPtr::new(&f).wrap_right()); - self.source_map.pat_field_map_back.insert(pat, src); + self.store.pat_field_map_back.insert(pat, src); Some(RecordFieldPat { name, pat }) }) .collect(); @@ -2424,7 +2417,7 @@ impl ExprCollector<'_> { self.collect_macro_call(call, macro_ptr, true, |this, expanded_pat| { this.collect_pat_opt(expanded_pat, binding_list) }); - self.source_map.pat_map.insert(src, pat.into()); + self.store.pat_map.insert(src, pat.into()); return pat; } None => Pat::Missing, @@ -2515,7 +2508,7 @@ impl ExprCollector<'_> { } }); if let Some(pat) = pat.left() { - self.source_map.pat_map.insert(src, pat.into()); + self.store.pat_map.insert(src, pat.into()); } pat } @@ -2537,7 +2530,7 @@ impl ExprCollector<'_> { match enabled { Ok(()) => true, Err(cfg) => { - self.source_map.diagnostics.push(ExpressionStoreDiagnostics::InactiveCode { + self.store.diagnostics.push(ExpressionStoreDiagnostics::InactiveCode { node: self.expander.in_file(SyntaxNodePtr::new(owner.syntax())), cfg, opts: self.cfg_options.clone(), @@ -2548,7 +2541,7 @@ impl ExprCollector<'_> { } fn add_definition_to_binding(&mut self, binding_id: BindingId, pat_id: PatId) { - self.source_map.binding_definitions.entry(binding_id).or_default().push(pat_id); + self.store.binding_definitions.entry(binding_id).or_default().push(pat_id); } // region: labels @@ -2724,7 +2717,7 @@ impl ExprCollector<'_> { |name, range| { let expr_id = self.alloc_expr_desugared(Expr::Path(Path::from(name))); if let Some(range) = range { - self.source_map + self.store .template_map .get_or_insert_with(Default::default) .implicit_capture_to_source @@ -2836,7 +2829,7 @@ impl ExprCollector<'_> { ) }; - self.source_map + self.store .template_map .get_or_insert_with(Default::default) .format_args_to_captures @@ -3386,8 +3379,8 @@ impl ExprCollector<'_> { fn alloc_expr(&mut self, expr: Expr, ptr: ExprPtr) -> ExprId { let src = self.expander.in_file(ptr); let id = self.store.exprs.alloc(expr); - self.source_map.expr_map_back.insert(id, src.map(AstPtr::wrap_left)); - self.source_map.expr_map.insert(src, id.into()); + self.store.expr_map_back.insert(id, src.map(AstPtr::wrap_left)); + self.store.expr_map.insert(src, id.into()); id } // FIXME: desugared exprs don't have ptr, that's wrong and should be fixed. @@ -3398,9 +3391,9 @@ impl ExprCollector<'_> { fn alloc_expr_desugared_with_ptr(&mut self, expr: Expr, ptr: ExprPtr) -> ExprId { let src = self.expander.in_file(ptr); let id = self.store.exprs.alloc(expr); - self.source_map.expr_map_back.insert(id, src.map(AstPtr::wrap_left)); + self.store.expr_map_back.insert(id, src.map(AstPtr::wrap_left)); // We intentionally don't fill this as it could overwrite a non-desugared entry - // self.source_map.expr_map.insert(src, id); + // self.store.expr_map.insert(src, id); id } fn missing_expr(&mut self) -> ExprId { @@ -3423,24 +3416,24 @@ impl ExprCollector<'_> { fn alloc_pat_from_expr(&mut self, pat: Pat, ptr: ExprPtr) -> PatId { let src = self.expander.in_file(ptr); let id = self.store.pats.alloc(pat); - self.source_map.expr_map.insert(src, id.into()); - self.source_map.pat_map_back.insert(id, src.map(AstPtr::wrap_left)); + self.store.expr_map.insert(src, id.into()); + self.store.pat_map_back.insert(id, src.map(AstPtr::wrap_left)); id } fn alloc_expr_from_pat(&mut self, expr: Expr, ptr: PatPtr) -> ExprId { let src = self.expander.in_file(ptr); let id = self.store.exprs.alloc(expr); - self.source_map.pat_map.insert(src, id.into()); - self.source_map.expr_map_back.insert(id, src.map(AstPtr::wrap_right)); + self.store.pat_map.insert(src, id.into()); + self.store.expr_map_back.insert(id, src.map(AstPtr::wrap_right)); id } fn alloc_pat(&mut self, pat: Pat, ptr: PatPtr) -> PatId { let src = self.expander.in_file(ptr); let id = self.store.pats.alloc(pat); - self.source_map.pat_map_back.insert(id, src.map(AstPtr::wrap_right)); - self.source_map.pat_map.insert(src, id.into()); + self.store.pat_map_back.insert(id, src.map(AstPtr::wrap_right)); + self.store.pat_map.insert(src, id.into()); id } // FIXME: desugared pats don't have ptr, that's wrong and should be fixed somehow. @@ -3454,8 +3447,8 @@ impl ExprCollector<'_> { fn alloc_label(&mut self, label: Label, ptr: LabelPtr) -> LabelId { let src = self.expander.in_file(ptr); let id = self.store.labels.alloc(label); - self.source_map.label_map_back.insert(id, src); - self.source_map.label_map.insert(src, id); + self.store.label_map_back.insert(id, src); + self.store.label_map.insert(src, id); id } // FIXME: desugared labels don't have ptr, that's wrong and should be fixed somehow. diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs index d36e5205c73..3bc4afb5c8a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/asm.rs @@ -10,7 +10,7 @@ use tt::TextRange; use crate::{ expr_store::lower::{ExprCollector, FxIndexSet}, - hir::{AsmOperand, AsmOptions, Expr, ExprId, InlineAsm, InlineAsmRegOrRegClass}, + hir::{AsmOperand, AsmOptions, Expr, ExprId, InlineAsm, InlineAsmKind, InlineAsmRegOrRegClass}, }; impl ExprCollector<'_> { @@ -269,11 +269,20 @@ impl ExprCollector<'_> { } }) }; + + let kind = if asm.global_asm_token().is_some() { + InlineAsmKind::GlobalAsm + } else if asm.naked_asm_token().is_some() { + InlineAsmKind::NakedAsm + } else { + InlineAsmKind::Asm + }; + let idx = self.alloc_expr( - Expr::InlineAsm(InlineAsm { operands: operands.into_boxed_slice(), options }), + Expr::InlineAsm(InlineAsm { operands: operands.into_boxed_slice(), options, kind }), syntax_ptr, ); - self.source_map + self.store .template_map .get_or_insert_with(Default::default) .asm_to_captures diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs index 8fd81c7b3df..f507841a91b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/lower/path/tests.rs @@ -23,7 +23,7 @@ fn lower_path(path: ast::Path) -> (TestDB, ExpressionStore, Option<Path>) { let mut ctx = ExprCollector::new(&db, crate_def_map(&db, krate).root_module_id(), file_id.into()); let lowered_path = ctx.lower_path(path, &mut ExprCollector::impl_trait_allocator); - let store = ctx.store.finish(); + let (store, _) = ctx.store.finish(); (db, store, lowered_path) } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/pretty.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/pretty.rs index 87bcd33ed7b..f1b011333d9 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/pretty.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/pretty.rs @@ -902,7 +902,7 @@ impl Printer<'_> { let mut same_name = false; if let Pat::Bind { id, subpat: None } = &self.store[arg.pat] { if let Binding { name, mode: BindingAnnotation::Unannotated, .. } = - &self.store.bindings[*id] + &self.store.assert_expr_only().bindings[*id] { if name.as_str() == field_name { same_name = true; @@ -1063,7 +1063,7 @@ impl Printer<'_> { } fn print_binding(&mut self, id: BindingId) { - let Binding { name, mode, .. } = &self.store.bindings[id]; + let Binding { name, mode, .. } = &self.store.assert_expr_only().bindings[id]; let mode = match mode { BindingAnnotation::Unannotated => "", BindingAnnotation::Mutable => "mut ", diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs index 2dd0b9bdb86..1952dae9d71 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/scope.rs @@ -106,7 +106,9 @@ impl ExprScopes { let mut scopes = ExprScopes { scopes: Arena::default(), scope_entries: Arena::default(), - scope_by_expr: ArenaMap::with_capacity(body.exprs.len()), + scope_by_expr: ArenaMap::with_capacity( + body.expr_only.as_ref().map_or(0, |it| it.exprs.len()), + ), }; let mut root = scopes.root_scope(); if let Some(self_param) = body.self_param { @@ -179,7 +181,7 @@ impl ExprScopes { binding: BindingId, hygiene: HygieneId, ) { - let Binding { name, .. } = &store.bindings[binding]; + let Binding { name, .. } = &store[binding]; let entry = self.scope_entries.alloc(ScopeEntry { name: name.clone(), binding, hygiene }); self.scopes[scope].entries = IdxRange::new_inclusive(self.scopes[scope].entries.start()..=entry); @@ -251,7 +253,7 @@ fn compute_expr_scopes( scope: &mut ScopeId, ) { let make_label = - |label: &Option<LabelId>| label.map(|label| (label, store.labels[label].name.clone())); + |label: &Option<LabelId>| label.map(|label| (label, store[label].name.clone())); let compute_expr_scopes = |scopes: &mut ExprScopes, expr: ExprId, scope: &mut ScopeId| { compute_expr_scopes(expr, store, scopes, scope) @@ -534,9 +536,8 @@ fn foo() { }; let resolved = scopes.resolve_name_in_scope(expr_scope, &name_ref.as_name()).unwrap(); - let pat_src = source_map - .pat_syntax(*source_map.binding_definitions[resolved.binding()].first().unwrap()) - .unwrap(); + let pat_src = + source_map.pat_syntax(source_map.patterns_for_binding(resolved.binding())[0]).unwrap(); let local_name = pat_src.value.syntax_node_ptr().to_node(file.syntax()); assert_eq!(local_name.text_range(), expected_name.syntax().text_range()); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs index 927e280d739..c31428be28f 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr_store/tests/body.rs @@ -508,9 +508,9 @@ fn f() { } "#, ); - assert_eq!(body.bindings.len(), 1, "should have a binding for `B`"); + assert_eq!(body.assert_expr_only().bindings.len(), 1, "should have a binding for `B`"); assert_eq!( - body.bindings[BindingId::from_raw(RawIdx::from_u32(0))].name.as_str(), + body[BindingId::from_raw(RawIdx::from_u32(0))].name.as_str(), "B", "should have a binding for `B`", ); @@ -566,6 +566,7 @@ const fn f(x: i32) -> i32 { ); let mtch_arms = body + .assert_expr_only() .exprs .iter() .find_map(|(_, expr)| { @@ -578,10 +579,10 @@ const fn f(x: i32) -> i32 { .unwrap(); let MatchArm { pat, .. } = mtch_arms[1]; - match body.pats[pat] { + match body[pat] { Pat::Range { start, end } => { - let hir_start = &body.exprs[start.unwrap()]; - let hir_end = &body.exprs[end.unwrap()]; + let hir_start = &body[start.unwrap()]; + let hir_end = &body[end.unwrap()]; assert!(matches!(hir_start, Expr::Path { .. })); assert!(matches!(hir_end, Expr::Path { .. })); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/hir.rs b/src/tools/rust-analyzer/crates/hir-def/src/hir.rs index 0fc7857d978..e70cd2cd6c5 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/hir.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/hir.rs @@ -332,6 +332,17 @@ pub struct OffsetOf { pub struct InlineAsm { pub operands: Box<[(Option<Name>, AsmOperand)]>, pub options: AsmOptions, + pub kind: InlineAsmKind, +} + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub enum InlineAsmKind { + /// `asm!()`. + Asm, + /// `global_asm!()`. + GlobalAsm, + /// `naked_asm!()`. + NakedAsm, } #[derive(Clone, Copy, PartialEq, Eq, Hash)] diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs index f3273667158..5ab61c89394 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs @@ -143,6 +143,8 @@ impl<'a> Ctx<'a> { ast::Item::MacroRules(ast) => self.lower_macro_rules(ast)?.into(), ast::Item::MacroDef(ast) => self.lower_macro_def(ast)?.into(), ast::Item::ExternBlock(ast) => self.lower_extern_block(ast).into(), + // FIXME: Handle `global_asm!()`. + ast::Item::AsmExpr(_) => return None, }; let attrs = RawAttrs::new(self.db, item, self.span_map()); self.add_attrs(mod_item.ast_id(), attrs); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs index 5923b3ea491..91b42bef8f7 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/tests.rs @@ -35,10 +35,10 @@ use a::{c, d::{e}}; #![no_std] #![doc = " another file comment"] - // AstId: ExternCrate[5A82, 0] + // AstId: ExternCrate[070B, 0] pub(self) extern crate self as renamed; - // AstId: ExternCrate[7E1C, 0] + // AstId: ExternCrate[1EA5, 0] pub(in super) extern crate bli; // AstId: Use[0000, 0] @@ -78,15 +78,15 @@ extern "C" { // AstId: ExternBlock[0000, 0] extern { #[on_extern_type] - // AstId: TypeAlias[9FDF, 0] + // AstId: TypeAlias[A09C, 0] pub(self) type ExType; #[on_extern_static] - // AstId: Static[43C1, 0] + // AstId: Static[D85E, 0] pub(self) static EX_STATIC = _; #[on_extern_fn] - // AstId: Fn[452D, 0] + // AstId: Fn[B240, 0] pub(self) fn ex_fn; } "#]], @@ -124,20 +124,20 @@ enum E { } "#, expect![[r#" - // AstId: Struct[DFF3, 0] + // AstId: Struct[ED35, 0] pub(self) struct Unit; #[derive(Debug)] - // AstId: Struct[C7A1, 0] + // AstId: Struct[A47C, 0] pub(self) struct Struct { ... } - // AstId: Struct[DAC2, 0] + // AstId: Struct[C8C9, 0] pub(self) struct Tuple(...); - // AstId: Union[2DBB, 0] + // AstId: Union[2797, 0] pub(self) union Ize { ... } - // AstId: Enum[7FF8, 0] + // AstId: Enum[7D23, 0] pub(self) enum E { ... } "#]], ); @@ -162,18 +162,18 @@ trait Tr: SuperTrait + 'lifetime { } "#, expect![[r#" - // AstId: Static[B393, 0] + // AstId: Static[F7C1, 0] pub static ST = _; - // AstId: Const[B309, 0] + // AstId: Const[84BB, 0] pub(self) const _ = _; #[attr] #[inner_attr_in_fn] - // AstId: Fn[75E3, 0] + // AstId: Fn[BE8F, 0] pub(self) fn f; - // AstId: Trait[2998, 0] + // AstId: Trait[9320, 0] pub(self) trait Tr { ... } "#]], ); @@ -197,16 +197,16 @@ mod outline; expect![[r##" #[doc = " outer"] #[doc = " inner"] - // AstId: Module[CF93, 0] + // AstId: Module[03AE, 0] pub(self) mod inline { // AstId: Use[0000, 0] pub(self) use super::*; - // AstId: Fn[1B26, 0] + // AstId: Fn[2A78, 0] pub(self) fn fn_in_module; } - // AstId: Module[8994, 0] + // AstId: Module[C08B, 0] pub(self) mod outline; "##]], ); @@ -225,13 +225,13 @@ pub macro m2() {} m!(); "#, expect![[r#" - // AstId: MacroRules[88CE, 0] + // AstId: MacroRules[7E68, 0] macro_rules! m { ... } - // AstId: MacroDef[DC34, 0] + // AstId: MacroDef[1C1E, 0] pub macro m2 { ... } - // AstId: MacroCall[612F, 0], SyntaxContextId: ROOT2024, ExpandTo: Items + // AstId: MacroCall[7E68, 0], SyntaxContextId: ROOT2024, ExpandTo: Items m!(...); "#]], ); @@ -244,7 +244,7 @@ fn pub_self() { pub(self) struct S; "#, expect![[r#" - // AstId: Struct[42E2, 0] + // AstId: Struct[5024, 0] pub(self) struct S; "#]], ) diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs index 293868df613..1c3af47d522 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/builtin_fn_macro.rs @@ -28,6 +28,19 @@ fn test_asm_expand() { r#" #[rustc_builtin_macro] macro_rules! asm {() => {}} +#[rustc_builtin_macro] +macro_rules! global_asm {() => {}} +#[rustc_builtin_macro] +macro_rules! naked_asm {() => {}} + +global_asm! { + "" +} + +#[unsafe(naked)] +extern "C" fn foo() { + naked_asm!(""); +} fn main() { let i: u64 = 3; @@ -45,6 +58,17 @@ fn main() { expect![[r##" #[rustc_builtin_macro] macro_rules! asm {() => {}} +#[rustc_builtin_macro] +macro_rules! global_asm {() => {}} +#[rustc_builtin_macro] +macro_rules! naked_asm {() => {}} + +builtin #global_asm ("") + +#[unsafe(naked)] +extern "C" fn foo() { + builtin #naked_asm (""); +} fn main() { let i: u64 = 3; diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs index c6d901ec93b..c489c1f7c1d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs @@ -35,9 +35,9 @@ macro_rules! f { }; } -struct#0:MacroRules[8C8E, 0]@58..64#14336# MyTraitMap2#0:MacroCall[D499, 0]@31..42#ROOT2024# {#0:MacroRules[8C8E, 0]@72..73#14336# - map#0:MacroRules[8C8E, 0]@86..89#14336#:#0:MacroRules[8C8E, 0]@89..90#14336# #0:MacroRules[8C8E, 0]@89..90#14336#::#0:MacroRules[8C8E, 0]@91..93#14336#std#0:MacroRules[8C8E, 0]@93..96#14336#::#0:MacroRules[8C8E, 0]@96..98#14336#collections#0:MacroRules[8C8E, 0]@98..109#14336#::#0:MacroRules[8C8E, 0]@109..111#14336#HashSet#0:MacroRules[8C8E, 0]@111..118#14336#<#0:MacroRules[8C8E, 0]@118..119#14336#(#0:MacroRules[8C8E, 0]@119..120#14336#)#0:MacroRules[8C8E, 0]@120..121#14336#>#0:MacroRules[8C8E, 0]@121..122#14336#,#0:MacroRules[8C8E, 0]@122..123#14336# -}#0:MacroRules[8C8E, 0]@132..133#14336# +struct#0:MacroRules[BE8F, 0]@58..64#14336# MyTraitMap2#0:MacroCall[BE8F, 0]@31..42#ROOT2024# {#0:MacroRules[BE8F, 0]@72..73#14336# + map#0:MacroRules[BE8F, 0]@86..89#14336#:#0:MacroRules[BE8F, 0]@89..90#14336# #0:MacroRules[BE8F, 0]@89..90#14336#::#0:MacroRules[BE8F, 0]@91..93#14336#std#0:MacroRules[BE8F, 0]@93..96#14336#::#0:MacroRules[BE8F, 0]@96..98#14336#collections#0:MacroRules[BE8F, 0]@98..109#14336#::#0:MacroRules[BE8F, 0]@109..111#14336#HashSet#0:MacroRules[BE8F, 0]@111..118#14336#<#0:MacroRules[BE8F, 0]@118..119#14336#(#0:MacroRules[BE8F, 0]@119..120#14336#)#0:MacroRules[BE8F, 0]@120..121#14336#>#0:MacroRules[BE8F, 0]@121..122#14336#,#0:MacroRules[BE8F, 0]@122..123#14336# +}#0:MacroRules[BE8F, 0]@132..133#14336# "#]], ); } @@ -75,12 +75,12 @@ macro_rules! f { }; } -fn#0:MacroCall[D499, 0]@30..32#ROOT2024# main#0:MacroCall[D499, 0]@33..37#ROOT2024#(#0:MacroCall[D499, 0]@37..38#ROOT2024#)#0:MacroCall[D499, 0]@38..39#ROOT2024# {#0:MacroCall[D499, 0]@40..41#ROOT2024# - 1#0:MacroCall[D499, 0]@50..51#ROOT2024#;#0:MacroCall[D499, 0]@51..52#ROOT2024# - 1.0#0:MacroCall[D499, 0]@61..64#ROOT2024#;#0:MacroCall[D499, 0]@64..65#ROOT2024# - (#0:MacroCall[D499, 0]@74..75#ROOT2024#(#0:MacroCall[D499, 0]@75..76#ROOT2024#1#0:MacroCall[D499, 0]@76..77#ROOT2024#,#0:MacroCall[D499, 0]@77..78#ROOT2024# )#0:MacroCall[D499, 0]@78..79#ROOT2024#,#0:MacroCall[D499, 0]@79..80#ROOT2024# )#0:MacroCall[D499, 0]@80..81#ROOT2024#.#0:MacroCall[D499, 0]@81..82#ROOT2024#0#0:MacroCall[D499, 0]@82..85#ROOT2024#.#0:MacroCall[D499, 0]@82..85#ROOT2024#0#0:MacroCall[D499, 0]@82..85#ROOT2024#;#0:MacroCall[D499, 0]@85..86#ROOT2024# - let#0:MacroCall[D499, 0]@95..98#ROOT2024# x#0:MacroCall[D499, 0]@99..100#ROOT2024# =#0:MacroCall[D499, 0]@101..102#ROOT2024# 1#0:MacroCall[D499, 0]@103..104#ROOT2024#;#0:MacroCall[D499, 0]@104..105#ROOT2024# -}#0:MacroCall[D499, 0]@110..111#ROOT2024# +fn#0:MacroCall[BE8F, 0]@30..32#ROOT2024# main#0:MacroCall[BE8F, 0]@33..37#ROOT2024#(#0:MacroCall[BE8F, 0]@37..38#ROOT2024#)#0:MacroCall[BE8F, 0]@38..39#ROOT2024# {#0:MacroCall[BE8F, 0]@40..41#ROOT2024# + 1#0:MacroCall[BE8F, 0]@50..51#ROOT2024#;#0:MacroCall[BE8F, 0]@51..52#ROOT2024# + 1.0#0:MacroCall[BE8F, 0]@61..64#ROOT2024#;#0:MacroCall[BE8F, 0]@64..65#ROOT2024# + (#0:MacroCall[BE8F, 0]@74..75#ROOT2024#(#0:MacroCall[BE8F, 0]@75..76#ROOT2024#1#0:MacroCall[BE8F, 0]@76..77#ROOT2024#,#0:MacroCall[BE8F, 0]@77..78#ROOT2024# )#0:MacroCall[BE8F, 0]@78..79#ROOT2024#,#0:MacroCall[BE8F, 0]@79..80#ROOT2024# )#0:MacroCall[BE8F, 0]@80..81#ROOT2024#.#0:MacroCall[BE8F, 0]@81..82#ROOT2024#0#0:MacroCall[BE8F, 0]@82..85#ROOT2024#.#0:MacroCall[BE8F, 0]@82..85#ROOT2024#0#0:MacroCall[BE8F, 0]@82..85#ROOT2024#;#0:MacroCall[BE8F, 0]@85..86#ROOT2024# + let#0:MacroCall[BE8F, 0]@95..98#ROOT2024# x#0:MacroCall[BE8F, 0]@99..100#ROOT2024# =#0:MacroCall[BE8F, 0]@101..102#ROOT2024# 1#0:MacroCall[BE8F, 0]@103..104#ROOT2024#;#0:MacroCall[BE8F, 0]@104..105#ROOT2024# +}#0:MacroCall[BE8F, 0]@110..111#ROOT2024# "#]], @@ -171,7 +171,7 @@ fn main(foo: ()) { } fn main(foo: ()) { - /* error: unresolved macro unresolved */"helloworld!"#0:Fn[B9C7, 0]@236..321#ROOT2024#; + /* error: unresolved macro unresolved */"helloworld!"#0:Fn[15AE, 0]@236..321#ROOT2024#; } } @@ -197,7 +197,7 @@ macro_rules! mk_struct { #[macro_use] mod foo; -struct#1:MacroRules[E572, 0]@59..65#14336# Foo#0:MacroCall[BDD3, 0]@32..35#ROOT2024#(#1:MacroRules[E572, 0]@70..71#14336#u32#0:MacroCall[BDD3, 0]@41..44#ROOT2024#)#1:MacroRules[E572, 0]@74..75#14336#;#1:MacroRules[E572, 0]@75..76#14336# +struct#1:MacroRules[DB0C, 0]@59..65#14336# Foo#0:MacroCall[DB0C, 0]@32..35#ROOT2024#(#1:MacroRules[DB0C, 0]@70..71#14336#u32#0:MacroCall[DB0C, 0]@41..44#ROOT2024#)#1:MacroRules[DB0C, 0]@74..75#14336#;#1:MacroRules[DB0C, 0]@75..76#14336# "#]], ); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs index 1c69b37f164..5e95b061399 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mod.rs @@ -20,13 +20,14 @@ use base_db::RootQueryDb; use expect_test::Expect; use hir_expand::{ AstId, InFile, MacroCallId, MacroCallKind, MacroKind, + builtin::quote::quote, db::ExpandDatabase, proc_macro::{ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroKind}, span_map::SpanMapRef, }; -use intern::Symbol; +use intern::{Symbol, sym}; use itertools::Itertools; -use span::{Edition, Span}; +use span::{Edition, ROOT_ERASED_FILE_AST_ID, Span, SpanAnchor, SyntaxContext}; use stdx::{format_to, format_to_acc}; use syntax::{ AstNode, AstPtr, @@ -34,7 +35,9 @@ use syntax::{ SyntaxNode, T, ast::{self, edit::IndentLevel}, }; +use syntax_bridge::token_tree_to_syntax_node; use test_fixture::WithFixture; +use tt::{TextRange, TextSize}; use crate::{ AdtId, Lookup, ModuleDefId, @@ -386,3 +389,38 @@ impl ProcMacroExpander for IdentityWhenValidProcMacroExpander { other.type_id() == TypeId::of::<Self>() } } + +#[test] +fn regression_20171() { + // This really isn't the appropriate place to put this test, but it's convenient with access to `quote!`. + let span = Span { + range: TextRange::empty(TextSize::new(0)), + anchor: SpanAnchor { + file_id: span::EditionedFileId::current_edition(span::FileId::from_raw(0)), + ast_id: ROOT_ERASED_FILE_AST_ID, + }, + ctx: SyntaxContext::root(Edition::CURRENT), + }; + let close_brace = tt::Punct { char: '}', spacing: tt::Spacing::Alone, span }; + let dotdot1 = tt::Punct { char: '.', spacing: tt::Spacing::Joint, span }; + let dotdot2 = tt::Punct { char: '.', spacing: tt::Spacing::Alone, span }; + let dollar_crate = sym::dollar_crate; + let tt = quote! { + span => { + if !((matches!( + drive_parser(&mut parser, data, false), + Err(TarParserError::CorruptField { + field: CorruptFieldContext::PaxKvLength, + error: GeneralParseError::ParseInt(ParseIntError { #dotdot1 #dotdot2 }) + }) + #close_brace ))) { + #dollar_crate::panic::panic_2021!(); + }} + }; + token_tree_to_syntax_node( + &tt, + syntax_bridge::TopEntryPoint::MacroStmts, + &mut |_| Edition::CURRENT, + Edition::CURRENT, + ); +} diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs index d5ae6f8d885..6952a9da101 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs @@ -181,9 +181,9 @@ fn foo(&self) { self.0. 1; } -fn#0:Fn[4D85, 0]@45..47#ROOT2024# foo#0:Fn[4D85, 0]@48..51#ROOT2024#(#0:Fn[4D85, 0]@51..52#ROOT2024#�:Fn[4D85, 0]@52..53#ROOT2024#self#0:Fn[4D85, 0]@53..57#ROOT2024# )#0:Fn[4D85, 0]@57..58#ROOT2024# {#0:Fn[4D85, 0]@59..60#ROOT2024# - self#0:Fn[4D85, 0]@65..69#ROOT2024# .#0:Fn[4D85, 0]@69..70#ROOT2024#0#0:Fn[4D85, 0]@70..71#ROOT2024#.#0:Fn[4D85, 0]@71..72#ROOT2024#1#0:Fn[4D85, 0]@73..74#ROOT2024#;#0:Fn[4D85, 0]@74..75#ROOT2024# -}#0:Fn[4D85, 0]@76..77#ROOT2024#"#]], +fn#0:Fn[8A31, 0]@45..47#ROOT2024# foo#0:Fn[8A31, 0]@48..51#ROOT2024#(#0:Fn[8A31, 0]@51..52#ROOT2024#�:Fn[8A31, 0]@52..53#ROOT2024#self#0:Fn[8A31, 0]@53..57#ROOT2024# )#0:Fn[8A31, 0]@57..58#ROOT2024# {#0:Fn[8A31, 0]@59..60#ROOT2024# + self#0:Fn[8A31, 0]@65..69#ROOT2024# .#0:Fn[8A31, 0]@69..70#ROOT2024#0#0:Fn[8A31, 0]@70..71#ROOT2024#.#0:Fn[8A31, 0]@71..72#ROOT2024#1#0:Fn[8A31, 0]@73..74#ROOT2024#;#0:Fn[8A31, 0]@74..75#ROOT2024# +}#0:Fn[8A31, 0]@76..77#ROOT2024#"#]], ); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs index 0837308d5b6..5030585147d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres.rs @@ -373,19 +373,14 @@ pub fn crate_def_map(db: &dyn DefDatabase, crate_id: Crate) -> &DefMap { crate_local_def_map(db, crate_id).def_map(db) } -#[allow(unused_lifetimes)] -mod __ { - use super::*; - #[salsa_macros::tracked] - pub(crate) struct DefMapPair<'db> { - #[tracked] - #[returns(ref)] - pub(crate) def_map: DefMap, - #[returns(ref)] - pub(crate) local: LocalDefMap, - } +#[salsa_macros::tracked] +pub(crate) struct DefMapPair<'db> { + #[tracked] + #[returns(ref)] + pub(crate) def_map: DefMap, + #[returns(ref)] + pub(crate) local: LocalDefMap, } -pub(crate) use __::DefMapPair; #[salsa_macros::tracked(returns(ref))] pub(crate) fn crate_local_def_map(db: &dyn DefDatabase, crate_id: Crate) -> DefMapPair<'_> { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs index 6f321980af4..316ad5dae69 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs @@ -1052,17 +1052,6 @@ impl<'db> Scope<'db> { } } -pub fn resolver_for_expr( - db: &dyn DefDatabase, - owner: DefWithBodyId, - expr_id: ExprId, -) -> Resolver<'_> { - let r = owner.resolver(db); - let scopes = db.expr_scopes(owner); - let scope_id = scopes.scope_for(expr_id); - resolver_for_scope_(db, scopes, scope_id, r, owner) -} - pub fn resolver_for_scope( db: &dyn DefDatabase, owner: DefWithBodyId, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs b/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs index 1958eb6c6a1..92e610b36ac 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/signatures.rs @@ -779,14 +779,10 @@ impl VariantFields { Arc::new(VariantFields { fields, store: Arc::new(store), shape }), Arc::new(source_map), ), - None => ( - Arc::new(VariantFields { - fields: Arena::default(), - store: ExpressionStore::empty_singleton(), - shape, - }), - ExpressionStoreSourceMap::empty_singleton(), - ), + None => { + let (store, source_map) = ExpressionStore::empty_singleton(); + (Arc::new(VariantFields { fields: Arena::default(), store, shape }), source_map) + } } } @@ -878,7 +874,7 @@ fn lower_fields<Field: ast::HasAttrs + ast::HasVisibility>( idx += 1; } Err(cfg) => { - col.source_map.diagnostics.push( + col.store.diagnostics.push( crate::expr_store::ExpressionStoreDiagnostics::InactiveCode { node: InFile::new(fields.file_id, SyntaxNodePtr::new(field.syntax())), cfg, @@ -891,9 +887,9 @@ fn lower_fields<Field: ast::HasAttrs + ast::HasVisibility>( if !has_fields { return None; } - let store = col.store.finish(); + let (store, source_map) = col.store.finish(); arena.shrink_to_fit(); - Some((arena, store, col.source_map)) + Some((arena, store, source_map)) } #[derive(Debug, PartialEq, Eq)] @@ -980,7 +976,7 @@ impl EnumVariants { if !matches!(variant.shape, FieldsShape::Unit) { let body = db.body(v.into()); // A variant with explicit discriminant - if body.exprs[body.body_expr] != crate::hir::Expr::Missing { + if !matches!(body[body.body_expr], crate::hir::Expr::Missing) { return false; } } diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs index 800b40a9e7e..60fbc660652 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/fn_macro.rs @@ -125,8 +125,8 @@ register_builtin! { (assert, Assert) => assert_expand, (stringify, Stringify) => stringify_expand, (asm, Asm) => asm_expand, - (global_asm, GlobalAsm) => asm_expand, - (naked_asm, NakedAsm) => asm_expand, + (global_asm, GlobalAsm) => global_asm_expand, + (naked_asm, NakedAsm) => naked_asm_expand, (cfg, Cfg) => cfg_expand, (core_panic, CorePanic) => panic_expand, (std_panic, StdPanic) => panic_expand, @@ -325,6 +325,36 @@ fn asm_expand( ExpandResult::ok(expanded) } +fn global_asm_expand( + _db: &dyn ExpandDatabase, + _id: MacroCallId, + tt: &tt::TopSubtree, + span: Span, +) -> ExpandResult<tt::TopSubtree> { + let mut tt = tt.clone(); + tt.top_subtree_delimiter_mut().kind = tt::DelimiterKind::Parenthesis; + let pound = mk_pound(span); + let expanded = quote! {span => + builtin #pound global_asm #tt + }; + ExpandResult::ok(expanded) +} + +fn naked_asm_expand( + _db: &dyn ExpandDatabase, + _id: MacroCallId, + tt: &tt::TopSubtree, + span: Span, +) -> ExpandResult<tt::TopSubtree> { + let mut tt = tt.clone(); + tt.top_subtree_delimiter_mut().kind = tt::DelimiterKind::Parenthesis; + let pound = mk_pound(span); + let expanded = quote! {span => + builtin #pound naked_asm #tt + }; + ExpandResult::ok(expanded) +} + fn cfg_expand( db: &dyn ExpandDatabase, id: MacroCallId, diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs index d5874f829ba..70c38d4d7c7 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin/quote.rs @@ -129,7 +129,7 @@ macro_rules! quote { } } } -pub(super) use quote; +pub use quote; pub trait ToTokenTree { fn to_tokens(self, span: Span, builder: &mut TopSubtreeBuilder); diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/name.rs b/src/tools/rust-analyzer/crates/hir-expand/src/name.rs index 679f61112ad..217d991d110 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/name.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/name.rs @@ -179,10 +179,9 @@ impl Name { self.symbol.as_str() } - #[inline] pub fn display<'a>( &'a self, - db: &dyn salsa::Database, + db: &dyn crate::db::ExpandDatabase, edition: Edition, ) -> impl fmt::Display + 'a { _ = db; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs b/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs index 24530a5f67c..14b9cd203f6 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/consteval.rs @@ -281,7 +281,7 @@ pub(crate) fn const_eval_discriminant_variant( let def = variant_id.into(); let body = db.body(def); let loc = variant_id.lookup(db); - if body.exprs[body.body_expr] == Expr::Missing { + if matches!(body[body.body_expr], Expr::Missing) { let prev_idx = loc.index.checked_sub(1); let value = match prev_idx { Some(prev_idx) => { @@ -334,7 +334,7 @@ pub(crate) fn eval_to_const( // Type checking clousres need an isolated body (See the above FIXME). Bail out early to prevent panic. return unknown_const(infer[expr].clone()); } - if let Expr::Path(p) = &ctx.body.exprs[expr] { + if let Expr::Path(p) = &ctx.body[expr] { let resolver = &ctx.resolver; if let Some(c) = path_to_const(db, resolver, p, mode, || ctx.generics(), debruijn, infer[expr].clone()) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/db.rs index 5d3be07f3db..b3d46845c44 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/db.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/db.rs @@ -273,8 +273,9 @@ pub trait HirDatabase: DefDatabase + std::fmt::Debug { #[salsa::invoke(crate::variance::variances_of)] #[salsa::cycle( - cycle_fn = crate::variance::variances_of_cycle_fn, - cycle_initial = crate::variance::variances_of_cycle_initial, + // cycle_fn = crate::variance::variances_of_cycle_fn, + // cycle_initial = crate::variance::variances_of_cycle_initial, + cycle_result = crate::variance::variances_of_cycle_initial, )] fn variances_of(&self, def: GenericDefId) -> Option<Arc<[crate::variance::Variance]>>; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check.rs index 9c0f8f40080..40fe3073cf2 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check.rs @@ -226,11 +226,10 @@ impl<'a> DeclValidator<'a> { let body = self.db.body(func.into()); let edition = self.edition(func); let mut pats_replacements = body - .pats - .iter() + .pats() .filter_map(|(pat_id, pat)| match pat { Pat::Bind { id, .. } => { - let bind_name = &body.bindings[*id].name; + let bind_name = &body[*id].name; let mut suggested_text = to_lower_snake_case(bind_name.as_str())?; if is_raw_identifier(&suggested_text, edition) { suggested_text.insert_str(0, "r#"); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs index 5d56957be6d..5ae6bf6dffd 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs @@ -101,7 +101,7 @@ impl ExprValidator { self.check_for_trailing_return(body.body_expr, &body); } - for (id, expr) in body.exprs.iter() { + for (id, expr) in body.exprs() { if let Some((variant, missed_fields, true)) = record_literal_missing_fields(db, &self.infer, id, expr) { @@ -132,7 +132,7 @@ impl ExprValidator { } } - for (id, pat) in body.pats.iter() { + for (id, pat) in body.pats() { if let Some((variant, missed_fields, true)) = record_pattern_missing_fields(db, &self.infer, id, pat) { @@ -389,7 +389,7 @@ impl ExprValidator { if !self.validate_lints { return; } - match &body.exprs[body_expr] { + match &body[body_expr] { Expr::Block { statements, tail, .. } => { let last_stmt = tail.or_else(|| match statements.last()? { Statement::Expr { expr, .. } => Some(*expr), @@ -428,7 +428,7 @@ impl ExprValidator { if else_branch.is_none() { return; } - if let Expr::Block { statements, tail, .. } = &self.body.exprs[*then_branch] { + if let Expr::Block { statements, tail, .. } = &self.body[*then_branch] { let last_then_expr = tail.or_else(|| match statements.last()? { Statement::Expr { expr, .. } => Some(*expr), _ => None, diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check.rs index c3ab5aff3db..ca132fbdc45 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/match_check.rs @@ -150,7 +150,7 @@ impl<'a> PatCtxt<'a> { hir_def::hir::Pat::Bind { id, subpat, .. } => { let bm = self.infer.binding_modes[pat]; ty = &self.infer[id]; - let name = &self.body.bindings[id].name; + let name = &self.body[id].name; match (bm, ty.kind(Interner)) { (BindingMode::Ref(_), TyKind::Ref(.., rty)) => ty = rty, (BindingMode::Ref(_), _) => { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs index 20cf3c78115..f6ad3c7aae2 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/unsafe_check.rs @@ -7,7 +7,7 @@ use either::Either; use hir_def::{ AdtId, DefWithBodyId, FieldId, FunctionId, VariantId, expr_store::{Body, path::Path}, - hir::{AsmOperand, Expr, ExprId, ExprOrPatId, Pat, PatId, Statement, UnaryOp}, + hir::{AsmOperand, Expr, ExprId, ExprOrPatId, InlineAsmKind, Pat, PatId, Statement, UnaryOp}, resolver::{HasResolver, ResolveValueResult, Resolver, ValueNs}, signatures::StaticFlags, type_ref::Rawness, @@ -217,7 +217,7 @@ impl<'db> UnsafeVisitor<'db> { } fn walk_pat(&mut self, current: PatId) { - let pat = &self.body.pats[current]; + let pat = &self.body[current]; if self.inside_union_destructure { match pat { @@ -264,7 +264,7 @@ impl<'db> UnsafeVisitor<'db> { } fn walk_expr(&mut self, current: ExprId) { - let expr = &self.body.exprs[current]; + let expr = &self.body[current]; let inside_assignment = mem::replace(&mut self.inside_assignment, false); match expr { &Expr::Call { callee, .. } => { @@ -284,7 +284,7 @@ impl<'db> UnsafeVisitor<'db> { self.resolver.reset_to_guard(guard); } Expr::Ref { expr, rawness: Rawness::RawPtr, mutability: _ } => { - match self.body.exprs[*expr] { + match self.body[*expr] { // Do not report unsafe for `addr_of[_mut]!(EXTERN_OR_MUT_STATIC)`, // see https://github.com/rust-lang/rust/pull/125834. Expr::Path(_) => return, @@ -315,7 +315,12 @@ impl<'db> UnsafeVisitor<'db> { self.inside_assignment = old_inside_assignment; } Expr::InlineAsm(asm) => { - self.on_unsafe_op(current.into(), UnsafetyReason::InlineAsm); + if asm.kind == InlineAsmKind::Asm { + // `naked_asm!()` requires `unsafe` on the attribute (`#[unsafe(naked)]`), + // and `global_asm!()` doesn't require it at all. + self.on_unsafe_op(current.into(), UnsafetyReason::InlineAsm); + } + asm.operands.iter().for_each(|(_, op)| match op { AsmOperand::In { expr, .. } | AsmOperand::Out { expr: Some(expr), .. } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs index 810fe76f231..b3760e3a382 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs @@ -795,6 +795,14 @@ fn render_const_scalar( let Some(bytes) = memory_map.get(addr, size_one * count) else { return f.write_str("<ref-data-not-available>"); }; + let expected_len = count * size_one; + if bytes.len() < expected_len { + never!( + "Memory map size is too small. Expected {expected_len}, got {}", + bytes.len(), + ); + return f.write_str("<layout-error>"); + } f.write_str("&[")?; let mut first = true; for i in 0..count { @@ -2328,6 +2336,7 @@ impl HirDisplayWithExpressionStore for TypeBound { store[*path].hir_fmt(f, store) } TypeBound::Use(args) => { + write!(f, "use<")?; let edition = f.edition(); let last = args.len().saturating_sub(1); for (idx, arg) in args.iter().enumerate() { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/mutability.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/mutability.rs index d2eaf212365..3f7eba9dd18 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/mutability.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/mutability.rs @@ -273,7 +273,7 @@ impl InferenceContext<'_> { fn pat_bound_mutability(&self, pat: PatId) -> Mutability { let mut r = Mutability::Not; self.body.walk_bindings_in_pat(pat, |b| { - if self.body.bindings[b].mode == BindingAnnotation::RefMut { + if self.body[b].mode == BindingAnnotation::RefMut { r = Mutability::Mut; } }); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/pat.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/pat.rs index 99d3b5c7a84..18288b718f7 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/pat.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/pat.rs @@ -459,7 +459,7 @@ impl InferenceContext<'_> { expected: &Ty, decl: Option<DeclContext>, ) -> Ty { - let Binding { mode, .. } = self.body.bindings[binding]; + let Binding { mode, .. } = self.body[binding]; let mode = if mode == BindingAnnotation::Unannotated { default_bm } else { @@ -639,7 +639,7 @@ impl InferenceContext<'_> { pub(super) fn contains_explicit_ref_binding(body: &Body, pat_id: PatId) -> bool { let mut res = false; body.walk_pats(pat_id, &mut |pat| { - res |= matches!(body[pat], Pat::Bind { id, .. } if body.bindings[id].mode == BindingAnnotation::Ref); + res |= matches!(body[pat], Pat::Bind { id, .. } if body[id].mode == BindingAnnotation::Ref); }); res } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs index 88c33ecccad..82d0ed4f194 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs @@ -2,7 +2,7 @@ use base_db::Crate; use hir_def::layout::TargetDataLayout; -use rustc_abi::{AlignFromBytesError, TargetDataLayoutErrors, AddressSpace}; +use rustc_abi::{AddressSpace, AlignFromBytesError, TargetDataLayoutErrors}; use triomphe::Arc; use crate::db::HirDatabase; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs index cc7d74f4fb0..b3bc226ec93 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs @@ -119,8 +119,7 @@ fn eval_expr( .unwrap(); let hir_body = db.body(function_id.into()); let b = hir_body - .bindings - .iter() + .bindings() .find(|x| x.1.name.display_no_db(file_id.edition(&db)).to_smolstr() == "goal") .unwrap() .0; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/lower/path.rs b/src/tools/rust-analyzer/crates/hir-ty/src/lower/path.rs index 06686b6a164..5c06234fa07 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/lower/path.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/lower/path.rs @@ -1018,8 +1018,12 @@ fn check_generic_args_len( } let lifetime_args_len = def_generics.len_lifetimes_self(); - if provided_lifetimes_count == 0 && lifetime_args_len > 0 && !lowering_assoc_type_generics { - // In generic associated types, we never allow inferring the lifetimes. + if provided_lifetimes_count == 0 + && lifetime_args_len > 0 + && (!lowering_assoc_type_generics || infer_args) + { + // In generic associated types, we never allow inferring the lifetimes, but only in type context, that is + // when `infer_args == false`. In expression/pattern context we always allow inferring them, even for GATs. match lifetime_elision { &LifetimeElisionKind::AnonymousCreateParameter { report_in_path } => { ctx.report_elided_lifetimes_in_path(def, lifetime_args_len as u32, report_in_path); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir.rs index bf80ed7967a..482b420279c 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir.rs @@ -1212,10 +1212,9 @@ impl MirSpan { match *self { MirSpan::ExprId(expr) => matches!(body[expr], Expr::Ref { .. }), // FIXME: Figure out if this is correct wrt. match ergonomics. - MirSpan::BindingId(binding) => matches!( - body.bindings[binding].mode, - BindingAnnotation::Ref | BindingAnnotation::RefMut - ), + MirSpan::BindingId(binding) => { + matches!(body[binding].mode, BindingAnnotation::Ref | BindingAnnotation::RefMut) + } MirSpan::PatId(_) | MirSpan::SelfParam | MirSpan::Unknown => false, } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval.rs index 55fada14363..9a97bd6dbe2 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/eval.rs @@ -31,8 +31,8 @@ use syntax::{SyntaxNodePtr, TextRange}; use triomphe::Arc; use crate::{ - CallableDefId, ClosureId, ComplexMemoryMap, Const, ConstData, ConstScalar, FnDefId, Interner, - MemoryMap, Substitution, ToChalk, TraitEnvironment, Ty, TyBuilder, TyExt, TyKind, + AliasTy, CallableDefId, ClosureId, ComplexMemoryMap, Const, ConstData, ConstScalar, FnDefId, + Interner, MemoryMap, Substitution, ToChalk, TraitEnvironment, Ty, TyBuilder, TyExt, TyKind, consteval::{ConstEvalError, intern_const_scalar, try_const_usize}, db::{HirDatabase, InternedClosure}, display::{ClosureStyle, DisplayTarget, HirDisplay}, @@ -2195,7 +2195,7 @@ impl Evaluator<'_> { } } } - chalk_ir::TyKind::Array(inner, len) => { + TyKind::Array(inner, len) => { let len = match try_const_usize(this.db, len) { Some(it) => it as usize, None => not_supported!("non evaluatable array len in patching addresses"), @@ -2213,7 +2213,7 @@ impl Evaluator<'_> { )?; } } - chalk_ir::TyKind::Tuple(_, subst) => { + TyKind::Tuple(_, subst) => { let layout = this.layout(ty)?; for (id, ty) in subst.iter(Interner).enumerate() { let ty = ty.assert_ty_ref(Interner); // Tuple only has type argument @@ -2229,7 +2229,7 @@ impl Evaluator<'_> { )?; } } - chalk_ir::TyKind::Adt(adt, subst) => match adt.0 { + TyKind::Adt(adt, subst) => match adt.0 { AdtId::StructId(s) => { let data = s.fields(this.db); let layout = this.layout(ty)?; @@ -2280,6 +2280,10 @@ impl Evaluator<'_> { } AdtId::UnionId(_) => (), }, + TyKind::Alias(AliasTy::Projection(proj)) => { + let ty = this.db.normalize_projection(proj.clone(), this.trait_env.clone()); + rec(this, bytes, &ty, locals, mm, stack_depth_limit - 1)?; + } _ => (), } Ok(()) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs index 845d6b8eae1..07d81472729 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower.rs @@ -321,7 +321,7 @@ impl<'ctx> MirLowerCtx<'ctx> { current: BasicBlockId, ) -> Result<Option<(Operand, BasicBlockId)>> { if !self.has_adjustments(expr_id) { - if let Expr::Literal(l) = &self.body.exprs[expr_id] { + if let Expr::Literal(l) = &self.body[expr_id] { let ty = self.expr_ty_without_adjust(expr_id); return Ok(Some((self.lower_literal_to_operand(ty, l)?, current))); } @@ -411,7 +411,7 @@ impl<'ctx> MirLowerCtx<'ctx> { place: Place, mut current: BasicBlockId, ) -> Result<Option<BasicBlockId>> { - match &self.body.exprs[expr_id] { + match &self.body[expr_id] { Expr::OffsetOf(_) => { not_supported!("builtin#offset_of") } @@ -1374,7 +1374,7 @@ impl<'ctx> MirLowerCtx<'ctx> { } fn lower_literal_or_const_to_operand(&mut self, ty: Ty, loc: &ExprId) -> Result<Operand> { - match &self.body.exprs[*loc] { + match &self.body[*loc] { Expr::Literal(l) => self.lower_literal_to_operand(ty, l), Expr::Path(c) => { let owner = self.owner; @@ -1850,7 +1850,7 @@ impl<'ctx> MirLowerCtx<'ctx> { self.drop_scopes.last_mut().unwrap().locals.push(local_id); if let Pat::Bind { id, subpat: None } = self.body[it] { if matches!( - self.body.bindings[id].mode, + self.body[id].mode, BindingAnnotation::Unannotated | BindingAnnotation::Mutable ) { self.result.binding_locals.insert(id, local_id); @@ -1859,7 +1859,7 @@ impl<'ctx> MirLowerCtx<'ctx> { local_id })); // and then rest of bindings - for (id, _) in self.body.bindings.iter() { + for (id, _) in self.body.bindings() { if !pick_binding(id) { continue; } @@ -2126,7 +2126,7 @@ pub fn mir_body_for_closure_query( .result .binding_locals .into_iter() - .filter(|it| ctx.body.binding_owners.get(&it.0).copied() == Some(expr)) + .filter(|it| ctx.body.binding_owner(it.0) == Some(expr)) .collect(); if let Some(err) = err { return Err(MirLowerError::UnresolvedUpvar(err)); @@ -2191,7 +2191,7 @@ pub fn lower_to_mir( // 0 is return local ctx.result.locals.alloc(Local { ty: ctx.expr_ty_after_adjustments(root_expr) }); let binding_picker = |b: BindingId| { - let owner = ctx.body.binding_owners.get(&b).copied(); + let owner = ctx.body.binding_owner(b); if root_expr == body.body_expr { owner.is_none() } else { owner == Some(root_expr) } }; // 1 to param_len is for params diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/as_place.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/as_place.rs index e7bffead931..e074c2d558e 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/as_place.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/as_place.rs @@ -133,7 +133,7 @@ impl MirLowerCtx<'_> { } this.lower_expr_to_some_place_without_adjust(expr_id, current) }; - match &self.body.exprs[expr_id] { + match &self.body[expr_id] { Expr::Path(p) => { let resolver_guard = self.resolver.update_to_inner_scope(self.db, self.owner, expr_id); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/pattern_matching.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/pattern_matching.rs index 61c0685c48a..3325226b1d3 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/pattern_matching.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/lower/pattern_matching.rs @@ -130,7 +130,7 @@ impl MirLowerCtx<'_> { .collect::<Vec<_>>() .into(), ); - Ok(match &self.body.pats[pattern] { + Ok(match &self.body[pattern] { Pat::Missing => return Err(MirLowerError::IncompletePattern), Pat::Wild => (current, current_else), Pat::Tuple { args, ellipsis } => { @@ -436,7 +436,7 @@ impl MirLowerCtx<'_> { (next, Some(else_target)) } }, - Pat::Lit(l) => match &self.body.exprs[*l] { + Pat::Lit(l) => match &self.body[*l] { Expr::Literal(l) => { if mode == MatchingMode::Check { let c = self.lower_literal_to_operand(self.infer[pattern].clone(), l)?; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/mir/pretty.rs b/src/tools/rust-analyzer/crates/hir-ty/src/mir/pretty.rs index 78a69cf4509..aad54f88438 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/mir/pretty.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/mir/pretty.rs @@ -219,7 +219,7 @@ impl<'a> MirPrettyCtx<'a> { fn local_name(&self, local: LocalId) -> LocalName { match self.local_to_binding.get(local) { - Some(b) => LocalName::Binding(self.hir_body.bindings[*b].name.clone(), local), + Some(b) => LocalName::Binding(self.hir_body[*b].name.clone(), local), None => LocalName::Unknown(local), } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs index 79754bc8a09..9605a0b4124 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests.rs @@ -168,7 +168,7 @@ fn check_impl( let inference_result = db.infer(def); for (pat, mut ty) in inference_result.type_of_pat.iter() { - if let Pat::Bind { id, .. } = body.pats[pat] { + if let Pat::Bind { id, .. } = body[pat] { ty = &inference_result.type_of_binding[id]; } let node = match pat_node(&body_source_map, pat, &db) { @@ -316,7 +316,7 @@ fn infer_with_mismatches(content: &str, include_mismatches: bool) -> String { } for (pat, mut ty) in inference_result.type_of_pat.iter() { - if let Pat::Bind { id, .. } = body.pats[pat] { + if let Pat::Bind { id, .. } = body[pat] { ty = &inference_result.type_of_binding[id]; } let node = match body_source_map.pat_syntax(pat) { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs b/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs index 87d9df611bd..08a215fecf6 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/variance.rs @@ -54,14 +54,14 @@ pub(crate) fn variances_of(db: &dyn HirDatabase, def: GenericDefId) -> Option<Ar variances.is_empty().not().then(|| Arc::from_iter(variances)) } -pub(crate) fn variances_of_cycle_fn( - _db: &dyn HirDatabase, - _result: &Option<Arc<[Variance]>>, - _count: u32, - _def: GenericDefId, -) -> salsa::CycleRecoveryAction<Option<Arc<[Variance]>>> { - salsa::CycleRecoveryAction::Iterate -} +// pub(crate) fn variances_of_cycle_fn( +// _db: &dyn HirDatabase, +// _result: &Option<Arc<[Variance]>>, +// _count: u32, +// _def: GenericDefId, +// ) -> salsa::CycleRecoveryAction<Option<Arc<[Variance]>>> { +// salsa::CycleRecoveryAction::Iterate +// } pub(crate) fn variances_of_cycle_initial( db: &dyn HirDatabase, @@ -965,7 +965,7 @@ struct S3<T>(S<T, T>); struct FixedPoint<T, U, V>(&'static FixedPoint<(), T, U>, V); "#, expect![[r#" - FixedPoint[T: covariant, U: covariant, V: covariant] + FixedPoint[T: bivariant, U: bivariant, V: bivariant] "#]], ); } diff --git a/src/tools/rust-analyzer/crates/hir/src/lib.rs b/src/tools/rust-analyzer/crates/hir/src/lib.rs index 5c6f622e6c3..1b2b76999f7 100644 --- a/src/tools/rust-analyzer/crates/hir/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir/src/lib.rs @@ -2036,7 +2036,7 @@ impl DefWithBody { ) } let mol = &borrowck_result.mutability_of_locals; - for (binding_id, binding_data) in body.bindings.iter() { + for (binding_id, binding_data) in body.bindings() { if binding_data.problems.is_some() { // We should report specific diagnostics for these problems, not `need-mut` and `unused-mut`. continue; @@ -3222,7 +3222,8 @@ impl Macro { } } - pub fn is_asm_or_global_asm(&self, db: &dyn HirDatabase) -> bool { + /// Is this `asm!()`, or a variant of it (e.g. `global_asm!()`)? + pub fn is_asm_like(&self, db: &dyn HirDatabase) -> bool { match self.id { MacroId::Macro2Id(it) => { matches!(it.lookup(db).expander, MacroExpander::BuiltIn(m) if m.is_asm()) diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics.rs b/src/tools/rust-analyzer/crates/hir/src/semantics.rs index 247bb693983..adba59236a4 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics.rs @@ -677,8 +677,7 @@ impl<'db> SemanticsImpl<'db> { pub fn rename_conflicts(&self, to_be_renamed: &Local, new_name: &Name) -> Vec<Local> { let body = self.db.body(to_be_renamed.parent); let resolver = to_be_renamed.parent.resolver(self.db); - let starting_expr = - body.binding_owners.get(&to_be_renamed.binding_id).copied().unwrap_or(body.body_expr); + let starting_expr = body.binding_owner(to_be_renamed.binding_id).unwrap_or(body.body_expr); let mut visitor = RenameConflictsVisitor { body: &body, conflicts: FxHashSet::default(), @@ -1776,7 +1775,7 @@ impl<'db> SemanticsImpl<'db> { pub fn is_unsafe_macro_call(&self, macro_call: &ast::MacroCall) -> bool { let Some(mac) = self.resolve_macro_call(macro_call) else { return false }; - if mac.is_asm_or_global_asm(self.db) { + if mac.is_asm_like(self.db) { return true; } diff --git a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs index 0662bfddcf8..ecc6e5f3d03 100644 --- a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs +++ b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs @@ -242,11 +242,7 @@ impl<'db> SourceAnalyzer<'db> { fn binding_id_of_pat(&self, pat: &ast::IdentPat) -> Option<BindingId> { let pat_id = self.pat_id(&pat.clone().into())?; - if let Pat::Bind { id, .. } = self.store()?.pats[pat_id.as_pat()?] { - Some(id) - } else { - None - } + if let Pat::Bind { id, .. } = self.store()?[pat_id.as_pat()?] { Some(id) } else { None } } pub(crate) fn expr_adjustments(&self, expr: &ast::Expr) -> Option<&[Adjustment]> { @@ -995,7 +991,7 @@ impl<'db> SourceAnalyzer<'db> { let parent_hir_path = path .parent_path() .and_then(|p| collector.lower_path(p, &mut ExprCollector::impl_trait_error_allocator)); - let store = collector.store.finish(); + let (store, _) = collector.store.finish(); // Case where path is a qualifier of a use tree, e.g. foo::bar::{Baz, Qux} where we are // trying to resolve foo::bar. @@ -1204,7 +1200,7 @@ impl<'db> SourceAnalyzer<'db> { let mut collector = ExprCollector::new(db, self.resolver.module(), self.file_id); let hir_path = collector.lower_path(path.clone(), &mut ExprCollector::impl_trait_error_allocator)?; - let store = collector.store.finish(); + let (store, _) = collector.store.finish(); Some(resolve_hir_path_( db, &self.resolver, @@ -1439,9 +1435,11 @@ fn scope_for( ) -> Option<ScopeId> { node.ancestors_with_macros(db) .take_while(|it| { - !ast::Item::can_cast(it.kind()) - || ast::MacroCall::can_cast(it.kind()) - || ast::Use::can_cast(it.kind()) + let kind = it.kind(); + !ast::Item::can_cast(kind) + || ast::MacroCall::can_cast(kind) + || ast::Use::can_cast(kind) + || ast::AsmExpr::can_cast(kind) }) .filter_map(|it| it.map(ast::Expr::cast).transpose()) .filter_map(|it| source_map.node_expr(it.as_ref())?.as_expr()) diff --git a/src/tools/rust-analyzer/crates/hir/src/symbols.rs b/src/tools/rust-analyzer/crates/hir/src/symbols.rs index 756650891d4..dca10193e29 100644 --- a/src/tools/rust-analyzer/crates/hir/src/symbols.rs +++ b/src/tools/rust-analyzer/crates/hir/src/symbols.rs @@ -125,6 +125,13 @@ impl<'a> SymbolCollector<'a> { } ModuleDefId::AdtId(AdtId::EnumId(id)) => { this.push_decl(id, name, false, None); + let enum_name = this.db.enum_signature(id).name.as_str().to_smolstr(); + this.with_container_name(Some(enum_name), |this| { + let variants = id.enum_variants(this.db); + for (variant_id, variant_name, _) in &variants.variants { + this.push_decl(*variant_id, variant_name, true, None); + } + }); } ModuleDefId::AdtId(AdtId::UnionId(id)) => { this.push_decl(id, name, false, None); diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs index efcbcef00e9..9126e869b9a 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs @@ -1,8 +1,8 @@ use ide_db::defs::{Definition, NameRefClass}; use syntax::{ AstNode, SyntaxNode, - ast::{self, HasName, Name}, - ted, + ast::{self, HasName, Name, syntax_factory::SyntaxFactory}, + syntax_editor::SyntaxEditor, }; use crate::{ @@ -121,34 +121,36 @@ fn find_extracted_variable(ctx: &AssistContext<'_>, arm: &ast::MatchArm) -> Opti // Rename `extracted` with `binding` in `pat`. fn rename_variable(pat: &ast::Pat, extracted: &[Name], binding: ast::Pat) -> SyntaxNode { - let syntax = pat.syntax().clone_for_update(); + let syntax = pat.syntax().clone_subtree(); + let mut editor = SyntaxEditor::new(syntax.clone()); + let make = SyntaxFactory::with_mappings(); let extracted = extracted .iter() - .map(|e| syntax.covering_element(e.syntax().text_range())) + .map(|e| e.syntax().text_range() - pat.syntax().text_range().start()) + .map(|r| syntax.covering_element(r)) .collect::<Vec<_>>(); for extracted_syntax in extracted { // If `extracted` variable is a record field, we should rename it to `binding`, // otherwise we just need to replace `extracted` with `binding`. - if let Some(record_pat_field) = extracted_syntax.ancestors().find_map(ast::RecordPatField::cast) { if let Some(name_ref) = record_pat_field.field_name() { - ted::replace( + editor.replace( record_pat_field.syntax(), - ast::make::record_pat_field( - ast::make::name_ref(&name_ref.text()), - binding.clone(), + make.record_pat_field( + make.name_ref(&name_ref.text()), + binding.clone_for_update(), ) - .syntax() - .clone_for_update(), + .syntax(), ); } } else { - ted::replace(extracted_syntax, binding.clone().syntax().clone_for_update()); + editor.replace(extracted_syntax, binding.syntax().clone_for_update()); } } - syntax + editor.add_mappings(make.finish_with_mappings()); + editor.finish().new_root().clone() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs index 32c4ae2e869..8d27574eb2c 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs @@ -4,7 +4,8 @@ use itertools::Itertools; use syntax::{ SyntaxKind, ast::{self, AstNode, HasAttrs, HasGenericParams, HasVisibility}, - match_ast, ted, + match_ast, + syntax_editor::{Position, SyntaxEditor}, }; use crate::{AssistContext, AssistId, Assists, assist_context::SourceChangeBuilder}; @@ -97,11 +98,14 @@ fn edit_struct_def( // Note that we don't need to consider macro files in this function because this is // currently not triggered for struct definitions inside macro calls. let tuple_fields = record_fields.fields().filter_map(|f| { - let field = ast::make::tuple_field(f.visibility(), f.ty()?).clone_for_update(); - ted::insert_all( - ted::Position::first_child_of(field.syntax()), + let field = ast::make::tuple_field(f.visibility(), f.ty()?); + let mut editor = SyntaxEditor::new(field.syntax().clone()); + editor.insert_all( + Position::first_child_of(field.syntax()), f.attrs().map(|attr| attr.syntax().clone_subtree().clone_for_update().into()).collect(), ); + let field_syntax = editor.finish().new_root().clone(); + let field = ast::TupleField::cast(field_syntax)?; Some(field) }); let tuple_fields = ast::make::tuple_field_list(tuple_fields); @@ -1086,8 +1090,7 @@ pub struct $0Foo { } "#, r#" -pub struct Foo(#[my_custom_attr] -u32); +pub struct Foo(#[my_custom_attr]u32); "#, ); } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs index 79a78ab3698..47233fb399d 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs @@ -2,7 +2,7 @@ use ide_db::famous_defs::FamousDefs; use stdx::format_to; use syntax::{ AstNode, - ast::{self, HasGenericParams, HasName, Impl, make}, + ast::{self, HasGenericParams, HasName, HasTypeBounds, Impl, make}, }; use crate::{ @@ -88,20 +88,19 @@ fn generate_trait_impl_text_from_impl( let generic_params = impl_.generic_param_list().map(|generic_params| { let lifetime_params = generic_params.lifetime_params().map(ast::GenericParam::LifetimeParam); - let ty_or_const_params = generic_params.type_or_const_params().map(|param| { + let ty_or_const_params = generic_params.type_or_const_params().filter_map(|param| { // remove defaults since they can't be specified in impls - match param { + let param = match param { ast::TypeOrConstParam::Type(param) => { - let param = param.clone_for_update(); - param.remove_default(); + let param = make::type_param(param.name()?, param.type_bound_list()); ast::GenericParam::TypeParam(param) } ast::TypeOrConstParam::Const(param) => { - let param = param.clone_for_update(); - param.remove_default(); + let param = make::const_param(param.name()?, param.ty()?); ast::GenericParam::ConstParam(param) } - } + }; + Some(param) }); make::generic_param_list(itertools::chain(lifetime_params, ty_or_const_params)) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs index c7e5e41aac4..20ee9253d37 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_getter_or_setter.rs @@ -294,7 +294,7 @@ fn generate_setter_from_info(info: &AssistInfo, record_field_info: &RecordFieldI let self_expr = make::ext::expr_self(); let lhs = make::expr_field(self_expr, field_name); let rhs = make::expr_path(make::ext::ident_path(field_name)); - let assign_stmt = make::expr_stmt(make::expr_assignment(lhs, rhs)); + let assign_stmt = make::expr_stmt(make::expr_assignment(lhs, rhs).into()); let body = make::block_expr([assign_stmt.into()], None); // Make the setter fn diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_impl.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_impl.rs index 2862e6d5afb..14601ca0207 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_impl.rs @@ -1,14 +1,14 @@ use syntax::{ ast::{self, AstNode, HasName, edit_in_place::Indent, make}, - ted, + syntax_editor::{Position, SyntaxEditor}, }; use crate::{AssistContext, AssistId, Assists, utils}; -fn insert_impl(impl_: ast::Impl, nominal: &ast::Adt) { +fn insert_impl(editor: &mut SyntaxEditor, impl_: &ast::Impl, nominal: &ast::Adt) { let indent = nominal.indent_level(); - ted::insert_all_raw( - ted::Position::after(nominal.syntax()), + editor.insert_all( + Position::after(nominal.syntax()), vec![ // Add a blank line after the ADT, and indentation for the impl to match the ADT make::tokens::whitespace(&format!("\n\n{indent}")).into(), @@ -51,14 +51,17 @@ pub(crate) fn generate_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> Optio // Generate the impl let impl_ = utils::generate_impl(&nominal); + let mut editor = edit.make_editor(nominal.syntax()); // Add a tabstop after the left curly brace if let Some(cap) = ctx.config.snippet_cap { if let Some(l_curly) = impl_.assoc_item_list().and_then(|it| it.l_curly_token()) { - edit.add_tabstop_after_token(cap, l_curly); + let tabstop = edit.make_tabstop_after(cap); + editor.add_annotation(l_curly, tabstop); } } - insert_impl(impl_, &edit.make_mut(nominal)); + insert_impl(&mut editor, &impl_, &nominal); + edit.add_file_edits(ctx.vfs_file_id(), editor); }, ) } @@ -97,18 +100,22 @@ pub(crate) fn generate_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> // Generate the impl let impl_ = utils::generate_trait_impl_intransitive(&nominal, make::ty_placeholder()); + let mut editor = edit.make_editor(nominal.syntax()); // Make the trait type a placeholder snippet if let Some(cap) = ctx.config.snippet_cap { if let Some(trait_) = impl_.trait_() { - edit.add_placeholder_snippet(cap, trait_); + let placeholder = edit.make_placeholder_snippet(cap); + editor.add_annotation(trait_.syntax(), placeholder); } if let Some(l_curly) = impl_.assoc_item_list().and_then(|it| it.l_curly_token()) { - edit.add_tabstop_after_token(cap, l_curly); + let tabstop = edit.make_tabstop_after(cap); + editor.add_annotation(l_curly, tabstop); } } - insert_impl(impl_, &edit.make_mut(nominal)); + insert_impl(&mut editor, &impl_, &nominal); + edit.add_file_edits(ctx.vfs_file_id(), editor); }, ) } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs index bab2ccf3f33..4ddab2cfad0 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_mut_trait_impl.rs @@ -1,6 +1,6 @@ -use ide_db::famous_defs::FamousDefs; +use ide_db::{famous_defs::FamousDefs, traits::resolve_target_trait}; use syntax::{ - AstNode, + AstNode, T, ast::{self, edit_in_place::Indent, make}, ted, }; @@ -32,7 +32,7 @@ use crate::{AssistContext, AssistId, Assists}; // // $0impl<T> core::ops::IndexMut<Axis> for [T; 3] { // fn index_mut(&mut self, index: Axis) -> &mut Self::Output { -// &self[index as usize] +// &mut self[index as usize] // } // } // @@ -48,36 +48,34 @@ pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_> let impl_def = ctx.find_node_at_offset::<ast::Impl>()?.clone_for_update(); let indent = impl_def.indent_level(); - let trait_ = impl_def.trait_()?; - if let ast::Type::PathType(trait_path) = trait_ { - let trait_type = ctx.sema.resolve_trait(&trait_path.path()?)?; - let scope = ctx.sema.scope(trait_path.syntax())?; - if trait_type != FamousDefs(&ctx.sema, scope.krate()).core_convert_Index()? { - return None; - } - } + let ast::Type::PathType(path) = impl_def.trait_()? else { + return None; + }; + let trait_name = path.path()?.segment()?.name_ref()?; + + let scope = ctx.sema.scope(impl_def.trait_()?.syntax())?; + let famous = FamousDefs(&ctx.sema, scope.krate()); + + let trait_ = resolve_target_trait(&ctx.sema, &impl_def)?; + let trait_new = get_trait_mut(&trait_, famous)?; // Index -> IndexMut - let index_trait = impl_def - .syntax() - .descendants() - .filter_map(ast::NameRef::cast) - .find(|it| it.text() == "Index")?; - ted::replace( - index_trait.syntax(), - make::path_segment(make::name_ref("IndexMut")).clone_for_update().syntax(), - ); + ted::replace(trait_name.syntax(), make::name_ref(trait_new).clone_for_update().syntax()); // index -> index_mut - let trait_method_name = impl_def + let (trait_method_name, new_trait_method_name) = impl_def .syntax() .descendants() .filter_map(ast::Name::cast) - .find(|it| it.text() == "index")?; - ted::replace(trait_method_name.syntax(), make::name("index_mut").clone_for_update().syntax()); + .find_map(process_method_name)?; + ted::replace( + trait_method_name.syntax(), + make::name(new_trait_method_name).clone_for_update().syntax(), + ); - let type_alias = impl_def.syntax().descendants().find_map(ast::TypeAlias::cast)?; - ted::remove(type_alias.syntax()); + if let Some(type_alias) = impl_def.syntax().descendants().find_map(ast::TypeAlias::cast) { + ted::remove(type_alias.syntax()); + } // &self -> &mut self let mut_self_param = make::mut_self_param(); @@ -87,15 +85,14 @@ pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_> // &Self::Output -> &mut Self::Output let ret_type = impl_def.syntax().descendants().find_map(ast::RetType::cast)?; - ted::replace( - ret_type.syntax(), - make::ret_type(make::ty("&mut Self::Output")).clone_for_update().syntax(), - ); + let new_ret_type = process_ret_type(&ret_type)?; + ted::replace(ret_type.syntax(), make::ret_type(new_ret_type).clone_for_update().syntax()); let fn_ = impl_def.assoc_item_list()?.assoc_items().find_map(|it| match it { ast::AssocItem::Fn(f) => Some(f), _ => None, })?; + let _ = process_ref_mut(&fn_); let assoc_list = make::assoc_item_list().clone_for_update(); ted::replace(impl_def.assoc_item_list()?.syntax(), assoc_list.syntax()); @@ -104,7 +101,7 @@ pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_> let target = impl_def.syntax().text_range(); acc.add( AssistId::generate("generate_mut_trait_impl"), - "Generate `IndexMut` impl from this `Index` trait", + format!("Generate `{trait_new}` impl from this `{trait_name}` trait"), target, |edit| { edit.insert(target.start(), format!("$0{impl_def}\n\n{indent}")); @@ -112,6 +109,52 @@ pub(crate) fn generate_mut_trait_impl(acc: &mut Assists, ctx: &AssistContext<'_> ) } +fn process_ref_mut(fn_: &ast::Fn) -> Option<()> { + let expr = fn_.body()?.tail_expr()?; + match &expr { + ast::Expr::RefExpr(ref_expr) if ref_expr.mut_token().is_none() => { + ted::insert_all_raw( + ted::Position::after(ref_expr.amp_token()?), + vec![make::token(T![mut]).into(), make::tokens::whitespace(" ").into()], + ); + } + _ => {} + } + None +} + +fn get_trait_mut(apply_trait: &hir::Trait, famous: FamousDefs<'_, '_>) -> Option<&'static str> { + let trait_ = Some(apply_trait); + if trait_ == famous.core_convert_Index().as_ref() { + return Some("IndexMut"); + } + if trait_ == famous.core_convert_AsRef().as_ref() { + return Some("AsMut"); + } + if trait_ == famous.core_borrow_Borrow().as_ref() { + return Some("BorrowMut"); + } + None +} + +fn process_method_name(name: ast::Name) -> Option<(ast::Name, &'static str)> { + let new_name = match &*name.text() { + "index" => "index_mut", + "as_ref" => "as_mut", + "borrow" => "borrow_mut", + _ => return None, + }; + Some((name, new_name)) +} + +fn process_ret_type(ref_ty: &ast::RetType) -> Option<ast::Type> { + let ty = ref_ty.ty()?; + let ast::Type::RefType(ref_type) = ty else { + return None; + }; + Some(make::ty_ref(ref_type.ty()?, true)) +} + #[cfg(test)] mod tests { use crate::tests::{check_assist, check_assist_not_applicable}; @@ -139,7 +182,7 @@ pub enum Axis { X = 0, Y = 1, Z = 2 } $0impl<T> core::ops::IndexMut<Axis> for [T; 3] { fn index_mut(&mut self, index: Axis) -> &mut Self::Output { - &self[index as usize] + &mut self[index as usize] } } @@ -188,6 +231,35 @@ impl<T> core::ops::Index<Axis> for [T; 3] where T: Copy { } "#, ); + + check_assist( + generate_mut_trait_impl, + r#" +//- minicore: as_ref +struct Foo(i32); + +impl core::convert::AsRef$0<i32> for Foo { + fn as_ref(&self) -> &i32 { + &self.0 + } +} +"#, + r#" +struct Foo(i32); + +$0impl core::convert::AsMut<i32> for Foo { + fn as_mut(&mut self) -> &mut i32 { + &mut self.0 + } +} + +impl core::convert::AsRef<i32> for Foo { + fn as_ref(&self) -> &i32 { + &self.0 + } +} +"#, + ); } #[test] @@ -287,5 +359,13 @@ pub trait Index<Idx: ?Sized> {} impl<T> Index$0<i32> for [T; 3] {} "#, ); + check_assist_not_applicable( + generate_mut_trait_impl, + r#" +pub trait AsRef<T: ?Sized> {} + +impl AsRef$0<i32> for [T; 3] {} +"#, + ); } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs index 4837f92f934..51c2f65e025 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_new.rs @@ -1,5 +1,6 @@ use ide_db::{ - imports::import_assets::item_for_path_search, use_trivial_constructor::use_trivial_constructor, + imports::import_assets::item_for_path_search, syntax_helpers::suggest_name::NameGenerator, + use_trivial_constructor::use_trivial_constructor, }; use syntax::{ ast::{self, AstNode, HasName, HasVisibility, StructKind, edit_in_place::Indent, make}, @@ -35,10 +36,30 @@ use crate::{ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { let strukt = ctx.find_node_at_offset::<ast::Struct>()?; - // We want to only apply this to non-union structs with named fields let field_list = match strukt.kind() { - StructKind::Record(named) => named, - _ => return None, + StructKind::Record(named) => { + named.fields().filter_map(|f| Some((f.name()?, f.ty()?))).collect::<Vec<_>>() + } + StructKind::Tuple(tuple) => { + let mut name_generator = NameGenerator::default(); + tuple + .fields() + .enumerate() + .filter_map(|(i, f)| { + let ty = f.ty()?; + let name = match name_generator.for_type( + &ctx.sema.resolve_type(&ty)?, + ctx.db(), + ctx.edition(), + ) { + Some(name) => name, + None => name_generator.suggest_name(&format!("_{i}")), + }; + Some((make::name(name.as_str()), f.ty()?)) + }) + .collect::<Vec<_>>() + } + StructKind::Unit => return None, }; // Return early if we've found an existing new fn @@ -50,11 +71,9 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option let target = strukt.syntax().text_range(); acc.add(AssistId::generate("generate_new"), "Generate `new`", target, |builder| { let trivial_constructors = field_list - .fields() - .map(|f| { - let name = f.name()?; - - let ty = ctx.sema.resolve_type(&f.ty()?)?; + .iter() + .map(|(name, ty)| { + let ty = ctx.sema.resolve_type(ty)?; let item_in_ns = hir::ItemInNs::from(hir::ModuleDef::from(ty.as_adt()?)); @@ -73,34 +92,44 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option edition, )?; - Some(make::record_expr_field(make::name_ref(&name.text()), Some(expr))) + Some((make::name_ref(&name.text()), Some(expr))) }) .collect::<Vec<_>>(); - let params = field_list.fields().enumerate().filter_map(|(i, f)| { + let params = field_list.iter().enumerate().filter_map(|(i, (name, ty))| { if trivial_constructors[i].is_none() { - let name = f.name()?; - let ty = f.ty()?; - - Some(make::param(make::ident_pat(false, false, name).into(), ty)) + Some(make::param(make::ident_pat(false, false, name.clone()).into(), ty.clone())) } else { None } }); let params = make::param_list(None, params); - let fields = field_list.fields().enumerate().filter_map(|(i, f)| { - let constructor = trivial_constructors[i].clone(); - if constructor.is_some() { + let fields = field_list.iter().enumerate().map(|(i, (name, _))| { + if let Some(constructor) = trivial_constructors[i].clone() { constructor } else { - Some(make::record_expr_field(make::name_ref(&f.name()?.text()), None)) + (make::name_ref(&name.text()), None) } }); - let fields = make::record_expr_field_list(fields); - let record_expr = make::record_expr(make::ext::ident_path("Self"), fields); - let body = make::block_expr(None, Some(record_expr.into())); + let tail_expr: ast::Expr = match strukt.kind() { + StructKind::Record(_) => { + let fields = fields.map(|(name, expr)| make::record_expr_field(name, expr)); + let fields = make::record_expr_field_list(fields); + make::record_expr(make::ext::ident_path("Self"), fields).into() + } + StructKind::Tuple(_) => { + let args = fields.map(|(arg, expr)| { + let arg = || make::expr_path(make::path_unqualified(make::path_segment(arg))); + expr.unwrap_or_else(arg) + }); + let arg_list = make::arg_list(args); + make::expr_call(make::expr_path(make::ext::ident_path("Self")), arg_list).into() + } + StructKind::Unit => unreachable!(), + }; + let body = make::block_expr(None, tail_expr.into()); let ret_type = make::ret_type(make::ty_path(make::ext::ident_path("Self"))); @@ -120,8 +149,35 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option .clone_for_update(); fn_.indent(1.into()); - // Add a tabstop before the name if let Some(cap) = ctx.config.snippet_cap { + match strukt.kind() { + StructKind::Tuple(_) => { + let struct_args = fn_ + .body() + .unwrap() + .syntax() + .descendants() + .filter(|it| syntax::ast::ArgList::can_cast(it.kind())) + .flat_map(|args| args.children()) + .filter(|it| syntax::ast::PathExpr::can_cast(it.kind())) + .enumerate() + .filter_map(|(i, node)| { + if trivial_constructors[i].is_none() { Some(node) } else { None } + }); + if let Some(fn_params) = fn_.param_list() { + for (struct_arg, fn_param) in struct_args.zip(fn_params.params()) { + if let Some(fn_pat) = fn_param.pat() { + let fn_pat = fn_pat.syntax().clone(); + builder + .add_placeholder_snippet_group(cap, vec![struct_arg, fn_pat]); + } + } + } + } + _ => {} + } + + // Add a tabstop before the name if let Some(name) = fn_.name() { builder.add_tabstop_before(cap, name); } @@ -157,7 +213,7 @@ pub(crate) fn generate_new(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option } #[cfg(test)] -mod tests { +mod record_tests { use crate::tests::{check_assist, check_assist_not_applicable, check_assist_target}; use super::*; @@ -695,3 +751,308 @@ impl<T> Source<T> { ); } } + +#[cfg(test)] +mod tuple_tests { + use crate::tests::{check_assist, check_assist_not_applicable, check_assist_target}; + + use super::*; + + #[test] + fn test_generate_new_with_zst_fields() { + check_assist( + generate_new, + r#" +struct Empty; + +struct Foo(Empty$0); +"#, + r#" +struct Empty; + +struct Foo(Empty); + +impl Foo { + fn $0new() -> Self { + Self(Empty) + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Empty; + +struct Foo(String, Empty$0); +"#, + r#" +struct Empty; + +struct Foo(String, Empty); + +impl Foo { + fn $0new(${1:_0}: String) -> Self { + Self(${1:_0}, Empty) + } +} +"#, + ); + check_assist( + generate_new, + r#" +enum Empty { Bar } + +struct Foo(Empty$0); +"#, + r#" +enum Empty { Bar } + +struct Foo(Empty); + +impl Foo { + fn $0new() -> Self { + Self(Empty::Bar) + } +} +"#, + ); + + // make sure the assist only works on unit variants + check_assist( + generate_new, + r#" +struct Empty {} + +struct Foo(Empty$0); +"#, + r#" +struct Empty {} + +struct Foo(Empty); + +impl Foo { + fn $0new(${1:empty}: Empty) -> Self { + Self(${1:empty}) + } +} +"#, + ); + check_assist( + generate_new, + r#" +enum Empty { Bar {} } + +struct Foo(Empty$0); +"#, + r#" +enum Empty { Bar {} } + +struct Foo(Empty); + +impl Foo { + fn $0new(${1:empty}: Empty) -> Self { + Self(${1:empty}) + } +} +"#, + ); + } + + #[test] + fn test_generate_new() { + check_assist( + generate_new, + r#" +struct Foo($0); +"#, + r#" +struct Foo(); + +impl Foo { + fn $0new() -> Self { + Self() + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo<T: Clone>($0); +"#, + r#" +struct Foo<T: Clone>(); + +impl<T: Clone> Foo<T> { + fn $0new() -> Self { + Self() + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo<'a, T: Foo<'a>>($0); +"#, + r#" +struct Foo<'a, T: Foo<'a>>(); + +impl<'a, T: Foo<'a>> Foo<'a, T> { + fn $0new() -> Self { + Self() + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Foo(String$0); +"#, + r#" +struct Foo(String); + +impl Foo { + fn $0new(${1:_0}: String) -> Self { + Self(${1:_0}) + } +} +"#, + ); + check_assist( + generate_new, + r#" +struct Vec<T> { }; +struct Foo(String, Vec<i32>$0); +"#, + r#" +struct Vec<T> { }; +struct Foo(String, Vec<i32>); + +impl Foo { + fn $0new(${1:_0}: String, ${2:items}: Vec<i32>) -> Self { + Self(${1:_0}, ${2:items}) + } +} +"#, + ); + } + + #[test] + fn check_that_visibility_modifiers_dont_get_brought_in() { + check_assist( + generate_new, + r#" +struct Vec<T> { }; +struct Foo(pub String, pub Vec<i32>$0); +"#, + r#" +struct Vec<T> { }; +struct Foo(pub String, pub Vec<i32>); + +impl Foo { + fn $0new(${1:_0}: String, ${2:items}: Vec<i32>) -> Self { + Self(${1:_0}, ${2:items}) + } +} +"#, + ); + } + + #[test] + fn generate_new_not_applicable_if_fn_exists() { + check_assist_not_applicable( + generate_new, + r#" +struct Foo($0); + +impl Foo { + fn new() -> Self { + Self + } +} +"#, + ); + + check_assist_not_applicable( + generate_new, + r#" +struct Foo($0); + +impl Foo { + fn New() -> Self { + Self + } +} +"#, + ); + } + + #[test] + fn generate_new_target() { + check_assist_target( + generate_new, + r#" +struct SomeThingIrrelevant; +/// Has a lifetime parameter +struct Foo<'a, T: Foo<'a>>($0); +struct EvenMoreIrrelevant; +"#, + "/// Has a lifetime parameter +struct Foo<'a, T: Foo<'a>>();", + ); + } + + #[test] + fn test_unrelated_new() { + check_assist( + generate_new, + r#" +pub struct AstId<N: AstNode> { + file_id: HirFileId, + file_ast_id: FileAstId<N>, +} + +impl<N: AstNode> AstId<N> { + pub fn new(file_id: HirFileId, file_ast_id: FileAstId<N>) -> AstId<N> { + AstId { file_id, file_ast_id } + } +} + +pub struct Source<T>(pub HirFileId,$0 pub T); + +impl<T> Source<T> { + pub fn map<F: FnOnce(T) -> U, U>(self, f: F) -> Source<U> { + Source(self.file_id, f(self.ast)) + } +} +"#, + r#" +pub struct AstId<N: AstNode> { + file_id: HirFileId, + file_ast_id: FileAstId<N>, +} + +impl<N: AstNode> AstId<N> { + pub fn new(file_id: HirFileId, file_ast_id: FileAstId<N>) -> AstId<N> { + AstId { file_id, file_ast_id } + } +} + +pub struct Source<T>(pub HirFileId, pub T); + +impl<T> Source<T> { + pub fn $0new(${1:_0}: HirFileId, ${2:_1}: T) -> Self { + Self(${1:_0}, ${2:_1}) + } + + pub fn map<F: FnOnce(T) -> U, U>(self, f: F) -> Source<U> { + Source(self.file_id, f(self.ast)) + } +} +"#, + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs new file mode 100644 index 00000000000..4e95ceb2e85 --- /dev/null +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_single_field_struct_from.rs @@ -0,0 +1,1000 @@ +use ast::make; +use hir::{HasCrate, ModuleDef, Semantics}; +use ide_db::{ + RootDatabase, famous_defs::FamousDefs, helpers::mod_path_to_ast, + imports::import_assets::item_for_path_search, use_trivial_constructor::use_trivial_constructor, +}; +use syntax::{ + TokenText, + ast::{self, AstNode, HasGenericParams, HasName, edit, edit_in_place::Indent}, +}; + +use crate::{ + AssistId, + assist_context::{AssistContext, Assists}, + utils::add_cfg_attrs_to, +}; + +// Assist: generate_single_field_struct_from +// +// Implement From for a single field structure, ignore trivial types. +// +// ``` +// # //- minicore: from, phantom_data +// use core::marker::PhantomData; +// struct $0Foo<T> { +// id: i32, +// _phantom_data: PhantomData<T>, +// } +// ``` +// -> +// ``` +// use core::marker::PhantomData; +// struct Foo<T> { +// id: i32, +// _phantom_data: PhantomData<T>, +// } +// +// impl<T> From<i32> for Foo<T> { +// fn from(id: i32) -> Self { +// Self { id, _phantom_data: PhantomData } +// } +// } +// ``` +pub(crate) fn generate_single_field_struct_from( + acc: &mut Assists, + ctx: &AssistContext<'_>, +) -> Option<()> { + let strukt_name = ctx.find_node_at_offset::<ast::Name>()?; + let adt = ast::Adt::cast(strukt_name.syntax().parent()?)?; + let ast::Adt::Struct(strukt) = adt else { + return None; + }; + + let sema = &ctx.sema; + let (names, types) = get_fields(&strukt)?; + + let module = sema.scope(strukt.syntax())?.module(); + let constructors = make_constructors(ctx, module, &types); + + if constructors.iter().filter(|expr| expr.is_none()).count() != 1 { + return None; + } + let main_field_i = constructors.iter().position(Option::is_none)?; + if from_impl_exists(&strukt, main_field_i, &ctx.sema).is_some() { + return None; + } + + let main_field_name = + names.as_ref().map_or(TokenText::borrowed("value"), |names| names[main_field_i].text()); + let main_field_ty = types[main_field_i].clone(); + + acc.add( + AssistId::generate("generate_single_field_struct_from"), + "Generate single field `From`", + strukt.syntax().text_range(), + |builder| { + let indent = strukt.indent_level(); + let ty_where_clause = strukt.where_clause(); + let type_gen_params = strukt.generic_param_list(); + let type_gen_args = type_gen_params.as_ref().map(|params| params.to_generic_args()); + let trait_gen_args = Some(make::generic_arg_list([ast::GenericArg::TypeArg( + make::type_arg(main_field_ty.clone()), + )])); + + let ty = make::ty(&strukt_name.text()); + + let constructor = + make_adt_constructor(names.as_deref(), constructors, &main_field_name); + let body = make::block_expr([], Some(constructor)); + + let fn_ = make::fn_( + None, + make::name("from"), + None, + None, + make::param_list( + None, + [make::param( + make::path_pat(make::path_from_text(&main_field_name)), + main_field_ty, + )], + ), + body, + Some(make::ret_type(make::ty("Self"))), + false, + false, + false, + false, + ) + .clone_for_update(); + + fn_.indent(1.into()); + + let impl_ = make::impl_trait( + false, + None, + trait_gen_args, + type_gen_params, + type_gen_args, + false, + make::ty("From"), + ty.clone(), + None, + ty_where_clause.map(|wc| edit::AstNodeEdit::reset_indent(&wc)), + None, + ) + .clone_for_update(); + + impl_.get_or_create_assoc_item_list().add_item(fn_.into()); + + add_cfg_attrs_to(&strukt, &impl_); + + impl_.reindent_to(indent); + + builder.insert(strukt.syntax().text_range().end(), format!("\n\n{indent}{impl_}")); + }, + ) +} + +fn make_adt_constructor( + names: Option<&[ast::Name]>, + constructors: Vec<Option<ast::Expr>>, + main_field_name: &TokenText<'_>, +) -> ast::Expr { + if let Some(names) = names { + let fields = make::record_expr_field_list(names.iter().zip(constructors).map( + |(name, initializer)| { + make::record_expr_field(make::name_ref(&name.text()), initializer) + }, + )); + make::record_expr(make::path_from_text("Self"), fields).into() + } else { + let arg_list = make::arg_list(constructors.into_iter().map(|expr| { + expr.unwrap_or_else(|| make::expr_path(make::path_from_text(main_field_name))) + })); + make::expr_call(make::expr_path(make::path_from_text("Self")), arg_list).into() + } +} + +fn make_constructors( + ctx: &AssistContext<'_>, + module: hir::Module, + types: &[ast::Type], +) -> Vec<Option<ast::Expr>> { + let (db, sema) = (ctx.db(), &ctx.sema); + types + .iter() + .map(|ty| { + let ty = sema.resolve_type(ty)?; + if ty.is_unit() { + return Some(make::expr_tuple([]).into()); + } + let item_in_ns = ModuleDef::Adt(ty.as_adt()?).into(); + let edition = module.krate().edition(db); + + let ty_path = module.find_path( + db, + item_for_path_search(db, item_in_ns)?, + ctx.config.import_path_config(), + )?; + + use_trivial_constructor(db, mod_path_to_ast(&ty_path, edition), &ty, edition) + }) + .collect() +} + +fn get_fields(strukt: &ast::Struct) -> Option<(Option<Vec<ast::Name>>, Vec<ast::Type>)> { + Some(match strukt.kind() { + ast::StructKind::Unit => return None, + ast::StructKind::Record(fields) => { + let names = fields.fields().map(|field| field.name()).collect::<Option<_>>()?; + let types = fields.fields().map(|field| field.ty()).collect::<Option<_>>()?; + (Some(names), types) + } + ast::StructKind::Tuple(fields) => { + (None, fields.fields().map(|field| field.ty()).collect::<Option<_>>()?) + } + }) +} + +fn from_impl_exists( + strukt: &ast::Struct, + main_field_i: usize, + sema: &Semantics<'_, RootDatabase>, +) -> Option<()> { + let db = sema.db; + let strukt = sema.to_def(strukt)?; + let krate = strukt.krate(db); + let from_trait = FamousDefs(sema, krate).core_convert_From()?; + let ty = strukt.fields(db).get(main_field_i)?.ty(db); + + strukt.ty(db).impls_trait(db, from_trait, &[ty]).then_some(()) +} + +#[cfg(test)] +mod tests { + use crate::tests::{check_assist, check_assist_not_applicable}; + + use super::generate_single_field_struct_from; + + #[test] + fn works() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { + foo: i32, + } + "#, + r#" + struct Foo { + foo: i32, + } + + impl From<i32> for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + struct $0Foo { + b1: (), + b2: core::marker::PhantomData, + foo: i32, + a1: (), + a2: core::marker::PhantomData, + } + "#, + r#" + struct Foo { + b1: (), + b2: core::marker::PhantomData, + foo: i32, + a1: (), + a2: core::marker::PhantomData, + } + + impl From<i32> for Foo { + fn from(foo: i32) -> Self { + Self { b1: (), b2: core::marker::PhantomData, foo, a1: (), a2: core::marker::PhantomData } + } + } + "#, + ); + } + + #[test] + fn cfgs() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + #[cfg(feature = "foo")] + #[cfg(test)] + struct $0Foo { + foo: i32, + } + "#, + r#" + #[cfg(feature = "foo")] + #[cfg(test)] + struct Foo { + foo: i32, + } + + #[cfg(feature = "foo")] + #[cfg(test)] + impl From<i32> for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + "#, + ); + } + + #[test] + fn indent() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + struct $0Foo { + foo: i32, + } + } + "#, + r#" + mod foo { + struct Foo { + foo: i32, + } + + impl From<i32> for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + mod bar { + struct $0Foo { + foo: i32, + } + } + } + "#, + r#" + mod foo { + mod bar { + struct Foo { + foo: i32, + } + + impl From<i32> for Foo { + fn from(foo: i32) -> Self { + Self { foo } + } + } + } + } + "#, + ); + } + + #[test] + fn where_clause_indent() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + mod bar { + trait Trait {} + struct $0Foo<T> + where + T: Trait, + { + foo: T, + } + } + } + "#, + r#" + mod foo { + mod bar { + trait Trait {} + struct Foo<T> + where + T: Trait, + { + foo: T, + } + + impl<T> From<T> for Foo<T> + where + T: Trait, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + mod foo { + mod bar { + trait Trait<const B: bool> {} + struct $0Foo<T> + where + T: Trait<{ + true + }> + { + foo: T, + } + } + } + "#, + r#" + mod foo { + mod bar { + trait Trait<const B: bool> {} + struct Foo<T> + where + T: Trait<{ + true + }> + { + foo: T, + } + + impl<T> From<T> for Foo<T> + where + T: Trait<{ + true + }> + { + fn from(foo: T) -> Self { + Self { foo } + } + } + } + } + "#, + ); + } + + #[test] + fn generics() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T> { + foo: T, + } + "#, + r#" + struct Foo<T> { + foo: T, + } + + impl<T> From<T> for Foo<T> { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> { + foo: T, + } + "#, + r#" + struct Foo<T: Send> { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> where T: Sync,{ + foo: T, + } + "#, + r#" + struct Foo<T: Send> where T: Sync,{ + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where T: Sync, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> where T: Sync { + foo: T, + } + "#, + r#" + struct Foo<T: Send> where T: Sync { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where T: Sync + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> where T: Sync, Self: Send { + foo: T, + } + "#, + r#" + struct Foo<T: Send> where T: Sync, Self: Send { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where T: Sync, Self: Send + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> + where T: Sync, Self: Send + { + foo: T, + } + "#, + r#" + struct Foo<T: Send> + where T: Sync, Self: Send + { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where T: Sync, Self: Send + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> + where T: Sync, Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo<T: Send> + where T: Sync, Self: Send, + { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where T: Sync, Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> + where T: Sync, + Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo<T: Send> + where T: Sync, + Self: Send, + { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where T: Sync, + Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send> + where + T: Sync, + Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo<T: Send> + where + T: Sync, + Self: Send, + { + foo: T, + } + + impl<T: Send> From<T> for Foo<T> + where + T: Sync, + Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T: Send + Sync> + where + T: Sync, + Self: Send, + { + foo: T, + } + "#, + r#" + struct Foo<T: Send + Sync> + where + T: Sync, + Self: Send, + { + foo: T, + } + + impl<T: Send + Sync> From<T> for Foo<T> + where + T: Sync, + Self: Send, + { + fn from(foo: T) -> Self { + Self { foo } + } + } + "#, + ); + } + + #[test] + fn tuple() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + "#, + r#" + struct Foo(i32); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(value) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T>(T); + "#, + r#" + struct Foo<T>(T); + + impl<T> From<T> for Foo<T> { + fn from(value: T) -> Self { + Self(value) + } + } + "#, + ); + } + + #[test] + fn trivial() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(i32, PhantomData<i32>); + "#, + r#" + use core::marker::PhantomData; + struct Foo(i32, PhantomData<i32>); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(value, PhantomData) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(i32, PhantomData<()>); + "#, + r#" + use core::marker::PhantomData; + struct Foo(i32, PhantomData<()>); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(value, PhantomData) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo(PhantomData<()>, i32, PhantomData<()>); + "#, + r#" + use core::marker::PhantomData; + struct Foo(PhantomData<()>, i32, PhantomData<()>); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(PhantomData, value, PhantomData) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from, phantom_data + use core::marker::PhantomData; + struct $0Foo<T>(PhantomData<T>, i32, PhantomData<()>); + "#, + r#" + use core::marker::PhantomData; + struct Foo<T>(PhantomData<T>, i32, PhantomData<()>); + + impl<T> From<i32> for Foo<T> { + fn from(value: i32) -> Self { + Self(PhantomData, value, PhantomData) + } + } + "#, + ); + } + + #[test] + fn unit() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32, ()); + "#, + r#" + struct Foo(i32, ()); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(value, ()) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo((), i32, ()); + "#, + r#" + struct Foo((), i32, ()); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self((), value, ()) + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo((), (), i32, ()); + "#, + r#" + struct Foo((), (), i32, ()); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self((), (), value, ()) + } + } + "#, + ); + } + + #[test] + fn invalid_multiple_main_field() { + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32, i32); + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T>(i32, T); + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T>(T, T); + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo<T> { foo: T, bar: i32 } + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo { foo: i32, bar: i64 } + "#, + ); + } + + #[test] + fn exists_other_from() { + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + impl From<&i32> for Foo { + fn from(value: &i32) -> Self { + todo!() + } + } + "#, + r#" + struct Foo(i32); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(value) + } + } + + impl From<&i32> for Foo { + fn from(value: &i32) -> Self { + todo!() + } + } + "#, + ); + check_assist( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + type X = i32; + + impl From<&X> for Foo { + fn from(value: &X) -> Self { + todo!() + } + } + "#, + r#" + struct Foo(i32); + + impl From<i32> for Foo { + fn from(value: i32) -> Self { + Self(value) + } + } + + type X = i32; + + impl From<&X> for Foo { + fn from(value: &X) -> Self { + todo!() + } + } + "#, + ); + } + + #[test] + fn exists_from() { + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + impl From<i32> for Foo { + fn from(_: i32) -> Self { + todo!() + } + } + "#, + ); + check_assist_not_applicable( + generate_single_field_struct_from, + r#" + //- minicore: from + struct $0Foo(i32); + + type X = i32; + + impl From<X> for Foo { + fn from(_: X) -> Self { + todo!() + } + } + "#, + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs index 5f626d29571..1b0c3139353 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/pull_assignment_up.rs @@ -1,7 +1,8 @@ use syntax::{ AstNode, - ast::{self, make}, - ted, + algo::find_node_at_range, + ast::{self, syntax_factory::SyntaxFactory}, + syntax_editor::SyntaxEditor, }; use crate::{ @@ -66,33 +67,51 @@ pub(crate) fn pull_assignment_up(acc: &mut Assists, ctx: &AssistContext<'_>) -> return None; } } - + let target = tgt.syntax().text_range(); + + let edit_tgt = tgt.syntax().clone_subtree(); + let assignments: Vec<_> = collector + .assignments + .into_iter() + .filter_map(|(stmt, rhs)| { + Some(( + find_node_at_range::<ast::BinExpr>( + &edit_tgt, + stmt.syntax().text_range() - target.start(), + )?, + find_node_at_range::<ast::Expr>( + &edit_tgt, + rhs.syntax().text_range() - target.start(), + )?, + )) + }) + .collect(); + + let mut editor = SyntaxEditor::new(edit_tgt); + for (stmt, rhs) in assignments { + let mut stmt = stmt.syntax().clone(); + if let Some(parent) = stmt.parent() { + if ast::ExprStmt::cast(parent.clone()).is_some() { + stmt = parent.clone(); + } + } + editor.replace(stmt, rhs.syntax()); + } + let new_tgt_root = editor.finish().new_root().clone(); + let new_tgt = ast::Expr::cast(new_tgt_root)?; acc.add( AssistId::refactor_extract("pull_assignment_up"), "Pull assignment up", - tgt.syntax().text_range(), + target, move |edit| { - let assignments: Vec<_> = collector - .assignments - .into_iter() - .map(|(stmt, rhs)| (edit.make_mut(stmt), rhs.clone_for_update())) - .collect(); - - let tgt = edit.make_mut(tgt); - - for (stmt, rhs) in assignments { - let mut stmt = stmt.syntax().clone(); - if let Some(parent) = stmt.parent() { - if ast::ExprStmt::cast(parent.clone()).is_some() { - stmt = parent.clone(); - } - } - ted::replace(stmt, rhs.syntax()); - } - let assign_expr = make::expr_assignment(collector.common_lhs, tgt.clone()); - let assign_stmt = make::expr_stmt(assign_expr); - - ted::replace(tgt.syntax(), assign_stmt.syntax().clone_for_update()); + let make = SyntaxFactory::with_mappings(); + let mut editor = edit.make_editor(tgt.syntax()); + let assign_expr = make.expr_assignment(collector.common_lhs, new_tgt.clone()); + let assign_stmt = make.expr_stmt(assign_expr.into()); + + editor.replace(tgt.syntax(), assign_stmt.syntax()); + editor.add_mappings(make.finish_with_mappings()); + edit.add_file_edits(ctx.vfs_file_id(), editor); }, ) } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_dbg.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_dbg.rs index 52ace03f3cf..9356d02706c 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_dbg.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/remove_dbg.rs @@ -1,8 +1,9 @@ use itertools::Itertools; use syntax::{ - Edition, NodeOrToken, SyntaxElement, T, TextRange, TextSize, - ast::{self, AstNode, AstToken, make}, - match_ast, ted, + Edition, NodeOrToken, SyntaxNode, SyntaxToken, T, + ast::{self, AstNode, make}, + match_ast, + syntax_editor::{Position, SyntaxEditor}, }; use crate::{AssistContext, AssistId, Assists}; @@ -40,21 +41,23 @@ pub(crate) fn remove_dbg(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<( let replacements = macro_calls.into_iter().filter_map(compute_dbg_replacement).collect::<Vec<_>>(); - - acc.add( - AssistId::quick_fix("remove_dbg"), - "Remove dbg!()", - replacements.iter().map(|&(range, _)| range).reduce(|acc, range| acc.cover(range))?, - |builder| { - for (range, expr) in replacements { - if let Some(expr) = expr { - builder.replace(range, expr.to_string()); - } else { - builder.delete(range); - } + let target = replacements + .iter() + .flat_map(|(node_or_token, _)| node_or_token.iter()) + .map(|t| t.text_range()) + .reduce(|acc, range| acc.cover(range))?; + acc.add(AssistId::quick_fix("remove_dbg"), "Remove dbg!()", target, |builder| { + let mut editor = builder.make_editor(ctx.source_file().syntax()); + for (range, expr) in replacements { + if let Some(expr) = expr { + editor.insert(Position::before(range[0].clone()), expr.syntax().clone_for_update()); + } + for node_or_token in range { + editor.delete(node_or_token); } - }, - ) + } + builder.add_file_edits(ctx.vfs_file_id(), editor); + }) } /// Returns `None` when either @@ -63,7 +66,9 @@ pub(crate) fn remove_dbg(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<( /// - (`macro_expr` has no parent - is that possible?) /// /// Returns `Some(_, None)` when the macro call should just be removed. -fn compute_dbg_replacement(macro_expr: ast::MacroExpr) -> Option<(TextRange, Option<ast::Expr>)> { +fn compute_dbg_replacement( + macro_expr: ast::MacroExpr, +) -> Option<(Vec<NodeOrToken<SyntaxNode, SyntaxToken>>, Option<ast::Expr>)> { let macro_call = macro_expr.macro_call()?; let tt = macro_call.token_tree()?; let r_delim = NodeOrToken::Token(tt.right_delimiter_token()?); @@ -88,22 +93,22 @@ fn compute_dbg_replacement(macro_expr: ast::MacroExpr) -> Option<(TextRange, Opt match_ast! { match parent { ast::StmtList(_) => { - let range = macro_expr.syntax().text_range(); - let range = match whitespace_start(macro_expr.syntax().prev_sibling_or_token()) { - Some(start) => range.cover_offset(start), - None => range, - }; - (range, None) + let mut replace = vec![macro_expr.syntax().clone().into()]; + if let Some(prev_sibling) = macro_expr.syntax().prev_sibling_or_token() + && prev_sibling.kind() == syntax::SyntaxKind::WHITESPACE { + replace.push(prev_sibling); + } + (replace, None) }, ast::ExprStmt(it) => { - let range = it.syntax().text_range(); - let range = match whitespace_start(it.syntax().prev_sibling_or_token()) { - Some(start) => range.cover_offset(start), - None => range, - }; - (range, None) + let mut replace = vec![it.syntax().clone().into()]; + if let Some(prev_sibling) = it.syntax().prev_sibling_or_token() + && prev_sibling.kind() == syntax::SyntaxKind::WHITESPACE { + replace.push(prev_sibling); + } + (replace, None) }, - _ => (macro_call.syntax().text_range(), Some(make::ext::expr_unit())), + _ => (vec![macro_call.syntax().clone().into()], Some(make::ext::expr_unit())), } } } @@ -147,13 +152,13 @@ fn compute_dbg_replacement(macro_expr: ast::MacroExpr) -> Option<(TextRange, Opt }; let expr = replace_nested_dbgs(expr.clone()); let expr = if wrap { make::expr_paren(expr).into() } else { expr.clone_subtree() }; - (macro_call.syntax().text_range(), Some(expr)) + (vec![macro_call.syntax().clone().into()], Some(expr)) } // dbg!(expr0, expr1, ...) exprs => { let exprs = exprs.iter().cloned().map(replace_nested_dbgs); let expr = make::expr_tuple(exprs); - (macro_call.syntax().text_range(), Some(expr.into())) + (vec![macro_call.syntax().clone().into()], Some(expr.into())) } }) } @@ -178,8 +183,8 @@ fn replace_nested_dbgs(expanded: ast::Expr) -> ast::Expr { return replaced; } - let expanded = expanded.clone_for_update(); - + let expanded = expanded.clone_subtree(); + let mut editor = SyntaxEditor::new(expanded.syntax().clone()); // We need to collect to avoid mutation during traversal. let macro_exprs: Vec<_> = expanded.syntax().descendants().filter_map(ast::MacroExpr::cast).collect(); @@ -191,17 +196,13 @@ fn replace_nested_dbgs(expanded: ast::Expr) -> ast::Expr { }; if let Some(expr) = expr_opt { - ted::replace(mac.syntax(), expr.syntax().clone_for_update()); + editor.replace(mac.syntax(), expr.syntax().clone_for_update()); } else { - ted::remove(mac.syntax()); + editor.delete(mac.syntax()); } } - - expanded -} - -fn whitespace_start(it: Option<SyntaxElement>) -> Option<TextSize> { - Some(it?.into_token().and_then(ast::Whitespace::cast)?.syntax().text_range().start()) + let expanded_syntax = editor.finish().new_root().clone(); + ast::Expr::cast(expanded_syntax).unwrap() } #[cfg(test)] diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_is_method_with_if_let_method.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_is_method_with_if_let_method.rs index 62914ee7f38..5ef8ba46b9e 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_is_method_with_if_let_method.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_is_method_with_if_let_method.rs @@ -64,13 +64,12 @@ pub(crate) fn replace_is_method_with_if_let_method( let pat = make.tuple_struct_pat(make.ident_path(text), [var_pat.into()]); let let_expr = make.expr_let(pat.into(), receiver); - if let Some(cap) = ctx.config.snippet_cap { - if let Some(ast::Pat::TupleStructPat(pat)) = let_expr.pat() { - if let Some(first_var) = pat.fields().next() { - let placeholder = edit.make_placeholder_snippet(cap); - editor.add_annotation(first_var.syntax(), placeholder); - } - } + if let Some(cap) = ctx.config.snippet_cap + && let Some(ast::Pat::TupleStructPat(pat)) = let_expr.pat() + && let Some(first_var) = pat.fields().next() + { + let placeholder = edit.make_placeholder_snippet(cap); + editor.add_annotation(first_var.syntax(), placeholder); } editor.replace(call_expr.syntax(), let_expr.syntax()); diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs index c2604432032..cde0d875e0d 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs @@ -172,6 +172,7 @@ mod handlers { mod generate_is_empty_from_len; mod generate_mut_trait_impl; mod generate_new; + mod generate_single_field_struct_from; mod generate_trait_from_impl; mod inline_call; mod inline_const_as_literal; @@ -305,6 +306,7 @@ mod handlers { generate_mut_trait_impl::generate_mut_trait_impl, generate_new::generate_new, generate_trait_from_impl::generate_trait_from_impl, + generate_single_field_struct_from::generate_single_field_struct_from, inline_call::inline_call, inline_call::inline_into_callers, inline_const_as_literal::inline_const_as_literal, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs index 72f7195cbd7..fc1c6928ff3 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs @@ -1933,7 +1933,7 @@ pub enum Axis { X = 0, Y = 1, Z = 2 } $0impl<T> core::ops::IndexMut<Axis> for [T; 3] { fn index_mut(&mut self, index: Axis) -> &mut Self::Output { - &self[index as usize] + &mut self[index as usize] } } @@ -1995,6 +1995,34 @@ impl Person { } #[test] +fn doctest_generate_single_field_struct_from() { + check_doc_test( + "generate_single_field_struct_from", + r#####" +//- minicore: from, phantom_data +use core::marker::PhantomData; +struct $0Foo<T> { + id: i32, + _phantom_data: PhantomData<T>, +} +"#####, + r#####" +use core::marker::PhantomData; +struct Foo<T> { + id: i32, + _phantom_data: PhantomData<T>, +} + +impl<T> From<i32> for Foo<T> { + fn from(id: i32) -> Self { + Self { id, _phantom_data: PhantomData } + } +} +"#####, + ) +} + +#[test] fn doctest_generate_trait_from_impl() { check_doc_test( "generate_trait_from_impl", diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs b/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs index 87a4c2ef758..2c8cb6e4d91 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs @@ -594,12 +594,10 @@ fn generate_impl_text_inner( let generic_params = adt.generic_param_list().map(|generic_params| { let lifetime_params = generic_params.lifetime_params().map(ast::GenericParam::LifetimeParam); - let ty_or_const_params = generic_params.type_or_const_params().map(|param| { - match param { + let ty_or_const_params = generic_params.type_or_const_params().filter_map(|param| { + let param = match param { ast::TypeOrConstParam::Type(param) => { - let param = param.clone_for_update(); // remove defaults since they can't be specified in impls - param.remove_default(); let mut bounds = param.type_bound_list().map_or_else(Vec::new, |it| it.bounds().collect()); if let Some(trait_) = trait_text { @@ -610,17 +608,16 @@ fn generate_impl_text_inner( } }; // `{ty_param}: {bounds}` - let param = - make::type_param(param.name().unwrap(), make::type_bound_list(bounds)); + let param = make::type_param(param.name()?, make::type_bound_list(bounds)); ast::GenericParam::TypeParam(param) } ast::TypeOrConstParam::Const(param) => { - let param = param.clone_for_update(); // remove defaults since they can't be specified in impls - param.remove_default(); + let param = make::const_param(param.name()?, param.ty()?); ast::GenericParam::ConstParam(param) } - } + }; + Some(param) }); make::generic_param_list(itertools::chain(lifetime_params, ty_or_const_params)) @@ -695,12 +692,10 @@ fn generate_impl_inner( let generic_params = adt.generic_param_list().map(|generic_params| { let lifetime_params = generic_params.lifetime_params().map(ast::GenericParam::LifetimeParam); - let ty_or_const_params = generic_params.type_or_const_params().map(|param| { - match param { + let ty_or_const_params = generic_params.type_or_const_params().filter_map(|param| { + let param = match param { ast::TypeOrConstParam::Type(param) => { - let param = param.clone_for_update(); // remove defaults since they can't be specified in impls - param.remove_default(); let mut bounds = param.type_bound_list().map_or_else(Vec::new, |it| it.bounds().collect()); if let Some(trait_) = &trait_ { @@ -711,17 +706,16 @@ fn generate_impl_inner( } }; // `{ty_param}: {bounds}` - let param = - make::type_param(param.name().unwrap(), make::type_bound_list(bounds)); + let param = make::type_param(param.name()?, make::type_bound_list(bounds)); ast::GenericParam::TypeParam(param) } ast::TypeOrConstParam::Const(param) => { - let param = param.clone_for_update(); // remove defaults since they can't be specified in impls - param.remove_default(); + let param = make::const_param(param.name()?, param.ty()?); ast::GenericParam::ConstParam(param) } - } + }; + Some(param) }); make::generic_param_list(itertools::chain(lifetime_params, ty_or_const_params)) @@ -749,16 +743,23 @@ fn generate_impl_inner( .clone_for_update(); // Copy any cfg attrs from the original adt - let cfg_attrs = adt - .attrs() - .filter(|attr| attr.as_simple_call().map(|(name, _arg)| name == "cfg").unwrap_or(false)); - for attr in cfg_attrs { - impl_.add_attr(attr.clone_for_update()); - } + add_cfg_attrs_to(adt, &impl_); impl_ } +pub(crate) fn add_cfg_attrs_to<T, U>(from: &T, to: &U) +where + T: HasAttrs, + U: AttrsOwnerEdit, +{ + let cfg_attrs = + from.attrs().filter(|attr| attr.as_simple_call().is_some_and(|(name, _arg)| name == "cfg")); + for attr in cfg_attrs { + to.add_attr(attr.clone_for_update()); + } +} + pub(crate) fn add_method_to_adt( builder: &mut SourceChangeBuilder, adt: &ast::Adt, diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs index 092219a058a..975c2f02259 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs @@ -37,6 +37,7 @@ use ide_db::{ SymbolKind, documentation::HasDocs, path_transform::PathTransform, syntax_helpers::prettify_macro_expansion, traits::get_missing_assoc_items, }; +use syntax::ast::HasGenericParams; use syntax::{ AstNode, SmolStr, SyntaxElement, SyntaxKind, T, TextRange, ToSmolStr, ast::{self, HasGenericArgs, HasTypeBounds, edit_in_place::AttrsOwnerEdit, make}, @@ -390,6 +391,12 @@ fn add_type_alias_impl( } else if let Some(end) = transformed_ty.eq_token().map(|tok| tok.text_range().start()) { end + } else if let Some(end) = transformed_ty + .where_clause() + .and_then(|wc| wc.where_token()) + .map(|tok| tok.text_range().start()) + { + end } else if let Some(end) = transformed_ty.semicolon_token().map(|tok| tok.text_range().start()) { @@ -400,17 +407,29 @@ fn add_type_alias_impl( let len = end - start; let mut decl = transformed_ty.syntax().text().slice(..len).to_string(); - if !decl.ends_with(' ') { - decl.push(' '); - } - decl.push_str("= "); + decl.truncate(decl.trim_end().len()); + decl.push_str(" = "); + + let wc = transformed_ty + .where_clause() + .map(|wc| { + let ws = wc + .where_token() + .and_then(|it| it.prev_token()) + .filter(|token| token.kind() == SyntaxKind::WHITESPACE) + .map(|token| token.to_string()) + .unwrap_or_else(|| " ".into()); + format!("{ws}{wc}") + }) + .unwrap_or_default(); match ctx.config.snippet_cap { Some(cap) => { - let snippet = format!("{decl}$0;"); + let snippet = format!("{decl}$0{wc};"); item.snippet_edit(cap, TextEdit::replace(replacement_range, snippet)); } None => { + decl.push_str(&wc); item.text_edit(TextEdit::replace(replacement_range, decl)); } }; @@ -1440,6 +1459,30 @@ impl<'b> Tr<'b> for () { "#, ); } + #[test] + fn includes_where_clause() { + check_edit( + "type Ty", + r#" +trait Tr { + type Ty where Self: Copy; +} + +impl Tr for () { + $0 +} +"#, + r#" +trait Tr { + type Ty where Self: Copy; +} + +impl Tr for () { + type Ty = $0 where Self: Copy; +} +"#, + ); + } #[test] fn strips_comments() { diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs index 179d6693602..ac32649d4ff 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs @@ -458,6 +458,33 @@ type O = $0; r" struct A; trait B { +type O<'a> +where +Self: 'a; +} +impl B for A { +$0 +} +", + r#" +struct A; +trait B { +type O<'a> +where +Self: 'a; +} +impl B for A { +type O<'a> = $0 +where +Self: 'a; +} +"#, + ); + check_edit( + "type O", + r" +struct A; +trait B { type O: ?Sized = u32; } impl B for A { diff --git a/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt b/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt index de046e70c67..973256c470f 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt +++ b/src/tools/rust-analyzer/crates/ide-db/src/test_data/test_symbol_index_collection.txt @@ -11,6 +11,40 @@ }, [ FileSymbol { + name: "A", + def: Variant( + Variant { + id: EnumVariantId( + 7800, + ), + }, + ), + loc: DeclarationLocation { + hir_file_id: FileId( + EditionedFileId( + Id(2000), + ), + ), + ptr: SyntaxNodePtr { + kind: VARIANT, + range: 201..202, + }, + name_ptr: AstPtr( + SyntaxNodePtr { + kind: NAME, + range: 201..202, + }, + ), + }, + container_name: Some( + "Enum", + ), + is_alias: false, + is_assoc: true, + is_import: false, + do_not_complete: Yes, + }, + FileSymbol { name: "Alias", def: TypeAlias( TypeAlias { @@ -43,6 +77,40 @@ do_not_complete: Yes, }, FileSymbol { + name: "B", + def: Variant( + Variant { + id: EnumVariantId( + 7801, + ), + }, + ), + loc: DeclarationLocation { + hir_file_id: FileId( + EditionedFileId( + Id(2000), + ), + ), + ptr: SyntaxNodePtr { + kind: VARIANT, + range: 204..205, + }, + name_ptr: AstPtr( + SyntaxNodePtr { + kind: NAME, + range: 204..205, + }, + ), + }, + container_name: Some( + "Enum", + ), + is_alias: false, + is_assoc: true, + is_import: false, + do_not_complete: Yes, + }, + FileSymbol { name: "CONST", def: Const( Const { diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs index 06f35759420..7402133f747 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/incorrect_generics_len.rs @@ -183,4 +183,28 @@ fn main() { "#, ); } + + #[test] + fn generic_assoc_type_infer_lifetime_in_expr_position() { + check_diagnostics( + r#" +//- minicore: sized +struct Player; + +struct Foo<'c, C> { + _v: &'c C, +} +trait WithSignals: Sized { + type SignalCollection<'c, C>; + fn __signals_from_external(&self) -> Self::SignalCollection<'_, Self>; +} +impl WithSignals for Player { + type SignalCollection<'c, C> = Foo<'c, C>; + fn __signals_from_external(&self) -> Self::SignalCollection<'_, Self> { + Self::SignalCollection { _v: self } + } +} + "#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs index d8f6e813d80..17caf630182 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/missing_unsafe.rs @@ -983,4 +983,19 @@ fn test() { "#, ); } + + #[test] + fn naked_asm_is_safe() { + check_diagnostics( + r#" +#[rustc_builtin_macro] +macro_rules! naked_asm { () => {} } + +#[unsafe(naked)] +extern "C" fn naked() { + naked_asm!(""); +} + "#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/doc_links.rs b/src/tools/rust-analyzer/crates/ide/src/doc_links.rs index f58202a4213..a5d9a10d2e5 100644 --- a/src/tools/rust-analyzer/crates/ide/src/doc_links.rs +++ b/src/tools/rust-analyzer/crates/ide/src/doc_links.rs @@ -505,7 +505,7 @@ fn map_links<'e>( Event::End(Tag::Link(link_type, target, _)) => { in_link = false; Event::End(Tag::Link( - end_link_type.unwrap_or(link_type), + end_link_type.take().unwrap_or(link_type), end_link_target.take().unwrap_or(target), CowStr::Borrowed(""), )) @@ -514,7 +514,7 @@ fn map_links<'e>( let (link_type, link_target_s, link_name) = callback(&end_link_target.take().unwrap(), &s, range, end_link_type.unwrap()); end_link_target = Some(CowStr::Boxed(link_target_s.into())); - if !matches!(end_link_type, Some(LinkType::Autolink)) { + if !matches!(end_link_type, Some(LinkType::Autolink)) && link_type.is_some() { end_link_type = link_type; } Event::Text(CowStr::Boxed(link_name.into())) @@ -523,7 +523,7 @@ fn map_links<'e>( let (link_type, link_target_s, link_name) = callback(&end_link_target.take().unwrap(), &s, range, end_link_type.unwrap()); end_link_target = Some(CowStr::Boxed(link_target_s.into())); - if !matches!(end_link_type, Some(LinkType::Autolink)) { + if !matches!(end_link_type, Some(LinkType::Autolink)) && link_type.is_some() { end_link_type = link_type; } Event::Code(CowStr::Boxed(link_name.into())) diff --git a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs index 9bd8504733a..c081796d078 100755 --- a/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs +++ b/src/tools/rust-analyzer/crates/ide/src/folding_ranges.rs @@ -23,6 +23,7 @@ pub enum FoldKind { WhereClause, ReturnType, MatchArm, + Function, // region: item runs Modules, Consts, @@ -47,6 +48,7 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec<Fold> { let mut res = vec![]; let mut visited_comments = FxHashSet::default(); let mut visited_nodes = FxHashSet::default(); + let mut merged_fn_bodies = FxHashSet::default(); // regions can be nested, here is a LIFO buffer let mut region_starts: Vec<TextSize> = vec![]; @@ -59,6 +61,32 @@ pub(crate) fn folding_ranges(file: &SourceFile) -> Vec<Fold> { NodeOrToken::Token(token) => token.text().contains('\n'), }; if is_multiline { + // for the func with multiline param list + if matches!(element.kind(), FN) { + if let NodeOrToken::Node(node) = &element { + if let Some(fn_node) = ast::Fn::cast(node.clone()) { + if !fn_node + .param_list() + .map(|param_list| param_list.syntax().text().contains_char('\n')) + .unwrap_or(false) + { + continue; + } + + if let Some(body) = fn_node.body() { + res.push(Fold { + range: TextRange::new( + node.text_range().start(), + node.text_range().end(), + ), + kind: FoldKind::Function, + }); + merged_fn_bodies.insert(body.syntax().text_range()); + continue; + } + } + } + } res.push(Fold { range: element.text_range(), kind }); continue; } @@ -152,6 +180,7 @@ fn fold_kind(kind: SyntaxKind) -> Option<FoldKind> { ARG_LIST | PARAM_LIST | GENERIC_ARG_LIST | GENERIC_PARAM_LIST => Some(FoldKind::ArgList), ARRAY_EXPR => Some(FoldKind::Array), RET_TYPE => Some(FoldKind::ReturnType), + FN => Some(FoldKind::Function), WHERE_CLAUSE => Some(FoldKind::WhereClause), ASSOC_ITEM_LIST | RECORD_FIELD_LIST @@ -291,6 +320,7 @@ mod tests { use super::*; + #[track_caller] fn check(#[rust_analyzer::rust_fixture] ra_fixture: &str) { let (ranges, text) = extract_tags(ra_fixture, "fold"); @@ -322,6 +352,7 @@ mod tests { FoldKind::WhereClause => "whereclause", FoldKind::ReturnType => "returntype", FoldKind::MatchArm => "matcharm", + FoldKind::Function => "function", FoldKind::TraitAliases => "traitaliases", FoldKind::ExternCrates => "externcrates", }; @@ -330,6 +361,23 @@ mod tests { } #[test] + fn test_fold_func_with_multiline_param_list() { + check( + r#" +<fold function>fn func<fold arglist>( + a: i32, + b: i32, + c: i32, +)</fold> <fold block>{ + + + +}</fold></fold> +"#, + ); + } + + #[test] fn test_fold_comments() { check( r#" @@ -541,10 +589,10 @@ const _: S = S <fold block>{ fn fold_multiline_params() { check( r#" -fn foo<fold arglist>( +<fold function>fn foo<fold arglist>( x: i32, y: String, -)</fold> {} +)</fold> {}</fold> "#, ) } diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs index f63499aa0fd..c5480217a91 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs @@ -10958,3 +10958,68 @@ fn bar$0() -> Foo { "#]], ); } + +#[test] +fn regression_20190() { + check( + r#" +struct Foo; + +/// [`foo` bar](Foo). +fn has_docs$0() {} + "#, + expect. + "#]], + ); +} + +#[test] +fn regression_20225() { + check( + r#" +//- minicore: coerce_unsized +trait Trait { + type Type<'a, T: ?Sized + 'a>; +} + +enum Borrowed {} + +impl Trait for Borrowed { + type Type<'a, T: ?Sized + 'a> = &'a T; +} + +enum Enum<'a, T: Trait + 'a> { + Variant1(T::Type<'a, [Enum<'a, T>]>), + Variant2, +} + +impl Enum<'_, Borrowed> { + const CONSTANT$0: Self = Self::Variant1(&[Self::Variant2]); +} + "#, + expect![[r#" + *CONSTANT* + + ```rust + ra_test_fixture::Enum + ``` + + ```rust + const CONSTANT: Self = Variant1(&[Variant2]) + ``` + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_drop.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_drop.rs index bf4688e9d82..d0539abe282 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_drop.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_drop.rs @@ -92,7 +92,7 @@ pub(super) fn hints( }, MirSpan::Unknown => continue, }; - let binding = &hir.bindings[binding_idx]; + let binding = &hir[binding_idx]; let name = binding.name.display_no_db(display_target.edition).to_smolstr(); if name.starts_with("<ra@") { continue; // Ignore desugared variables diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs index cd01c075832..0da1785234a 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implied_dyn_trait.rs @@ -17,8 +17,12 @@ pub(super) fn hints( let parent = path.syntax().parent()?; let range = match path { Either::Left(path) => { - let paren = - parent.ancestors().take_while(|it| ast::ParenType::can_cast(it.kind())).last(); + let paren = parent + .ancestors() + .take_while(|it| { + ast::ParenType::can_cast(it.kind()) || ast::ForType::can_cast(it.kind()) + }) + .last(); let parent = paren.as_ref().and_then(|it| it.parent()).unwrap_or(parent); if ast::TypeBound::can_cast(parent.kind()) || ast::TypeAnchor::can_cast(parent.kind()) @@ -34,7 +38,7 @@ pub(super) fn hints( return None; } sema.resolve_trait(&path.path()?)?; - paren.map_or_else(|| path.syntax().text_range(), |it| it.text_range()) + path.syntax().text_range() } Either::Right(dyn_) => { if dyn_.dyn_token().is_some() { @@ -89,7 +93,7 @@ fn foo(_: &T, _: for<'a> T) {} impl T {} // ^ dyn impl T for (T) {} - // ^^^ dyn + // ^ dyn impl T "#, ); @@ -112,7 +116,7 @@ fn foo( _: &mut (T + T) // ^^^^^ dyn _: *mut (T), - // ^^^ dyn + // ^ dyn ) {} "#, ); @@ -136,4 +140,26 @@ fn foo( "#]], ); } + + #[test] + fn hrtb_bound_does_not_add_dyn() { + check( + r#" +//- minicore: fn +fn test<F>(f: F) where F: for<'a> FnOnce(&'a i32) {} + // ^: Sized + "#, + ); + } + + #[test] + fn with_parentheses() { + check( + r#" +trait T {} +fn foo(v: &(T)) {} + // ^ dyn + "#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs index 0ac25da3294..2b4151e3b75 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs @@ -4,7 +4,7 @@ use crate::grammar::attributes::ATTRIBUTE_FIRST; use super::*; -pub(super) use atom::{EXPR_RECOVERY_SET, LITERAL_FIRST, literal}; +pub(super) use atom::{EXPR_RECOVERY_SET, LITERAL_FIRST, literal, parse_asm_expr}; pub(crate) use atom::{block_expr, match_arm_list}; #[derive(PartialEq, Eq)] diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index 8ed0fc6729f..76656567e7f 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -253,8 +253,7 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option<CompletedMarker> { let m = p.start(); p.bump_remap(T![builtin]); p.bump(T![#]); - if p.at_contextual_kw(T![offset_of]) { - p.bump_remap(T![offset_of]); + if p.eat_contextual_kw(T![offset_of]) { p.expect(T!['(']); type_(p); p.expect(T![,]); @@ -278,8 +277,7 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option<CompletedMarker> { p.expect(T![')']); } Some(m.complete(p, OFFSET_OF_EXPR)) - } else if p.at_contextual_kw(T![format_args]) { - p.bump_remap(T![format_args]); + } else if p.eat_contextual_kw(T![format_args]) { p.expect(T!['(']); expr(p); if p.eat(T![,]) { @@ -302,7 +300,16 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option<CompletedMarker> { } p.expect(T![')']); Some(m.complete(p, FORMAT_ARGS_EXPR)) - } else if p.at_contextual_kw(T![asm]) { + } else if p.eat_contextual_kw(T![asm]) + || p.eat_contextual_kw(T![global_asm]) + || p.eat_contextual_kw(T![naked_asm]) + { + // test asm_kinds + // fn foo() { + // builtin#asm(""); + // builtin#global_asm(""); + // builtin#naked_asm(""); + // } parse_asm_expr(p, m) } else { m.abandon(p); @@ -321,8 +328,7 @@ fn builtin_expr(p: &mut Parser<'_>) -> Option<CompletedMarker> { // tmp = out(reg) _, // ); // } -fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option<CompletedMarker> { - p.bump_remap(T![asm]); +pub(crate) fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option<CompletedMarker> { p.expect(T!['(']); if expr(p).is_none() { p.err_and_bump("expected asm template"); @@ -411,11 +417,10 @@ fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option<CompletedMarker> { dir_spec.abandon(p); op.abandon(p); op_n.abandon(p); - p.err_and_bump("expected asm operand"); - // improves error recovery and handles err_and_bump recovering from `{` which gets - // the parser stuck here + // improves error recovery if p.at(T!['{']) { + p.error("expected asm operand"); // test_err bad_asm_expr // fn foo() { // builtin#asm( @@ -423,6 +428,8 @@ fn parse_asm_expr(p: &mut Parser<'_>, m: Marker) -> Option<CompletedMarker> { // ); // } expr(p); + } else { + p.err_and_bump("expected asm operand"); } if p.at(T!['}']) { diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs index b9f4866574a..8e551b0b961 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/items.rs @@ -261,6 +261,19 @@ fn opt_item_without_modifiers(p: &mut Parser<'_>, m: Marker) -> Result<(), Marke T![const] if (la == IDENT || la == T![_] || la == T![mut]) => consts::konst(p, m), T![static] if (la == IDENT || la == T![_] || la == T![mut]) => consts::static_(p, m), + IDENT + if p.at_contextual_kw(T![builtin]) + && p.nth_at(1, T![#]) + && p.nth_at_contextual_kw(2, T![global_asm]) => + { + p.bump_remap(T![builtin]); + p.bump(T![#]); + p.bump_remap(T![global_asm]); + // test global_asm + // builtin#global_asm("") + expressions::parse_asm_expr(p, m); + } + _ => return Err(m), }; Ok(()) diff --git a/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs b/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs index bff9acd78fa..8fff1c3db74 100644 --- a/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs +++ b/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs @@ -11,8 +11,8 @@ use std::ops; use rustc_literal_escaper::{ - unescape_byte, unescape_byte_str, unescape_c_str, unescape_char, unescape_str, EscapeError, - Mode, + EscapeError, Mode, unescape_byte, unescape_byte_str, unescape_c_str, unescape_char, + unescape_str, }; use crate::{ diff --git a/src/tools/rust-analyzer/crates/parser/src/parser.rs b/src/tools/rust-analyzer/crates/parser/src/parser.rs index 36a363afe93..ca02d9fdfde 100644 --- a/src/tools/rust-analyzer/crates/parser/src/parser.rs +++ b/src/tools/rust-analyzer/crates/parser/src/parser.rs @@ -29,7 +29,7 @@ pub(crate) struct Parser<'t> { edition: Edition, } -const PARSER_STEP_LIMIT: usize = 15_000_000; +const PARSER_STEP_LIMIT: usize = if cfg!(debug_assertions) { 150_000 } else { 15_000_000 }; impl<'t> Parser<'t> { pub(super) fn new(inp: &'t Input, edition: Edition) -> Parser<'t> { @@ -254,7 +254,10 @@ impl<'t> Parser<'t> { /// Create an error node and consume the next token. pub(crate) fn err_and_bump(&mut self, message: &str) { - self.err_recover(message, TokenSet::EMPTY); + let m = self.start(); + self.error(message); + self.bump_any(); + m.complete(self, ERROR); } /// Create an error node and consume the next token unless it is in the recovery set. diff --git a/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs b/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs index f534546ea07..12a13caa4d9 100644 --- a/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs +++ b/src/tools/rust-analyzer/crates/parser/src/syntax_kind/generated.rs @@ -120,12 +120,14 @@ pub enum SyntaxKind { DYN_KW, FORMAT_ARGS_KW, GEN_KW, + GLOBAL_ASM_KW, INLATEOUT_KW, INOUT_KW, LABEL_KW, LATEOUT_KW, MACRO_RULES_KW, MAY_UNWIND_KW, + NAKED_ASM_KW, NOMEM_KW, NORETURN_KW, NOSTACK_KW, @@ -599,12 +601,14 @@ impl SyntaxKind { DEFAULT_KW => "default", DYN_KW => "dyn", FORMAT_ARGS_KW => "format_args", + GLOBAL_ASM_KW => "global_asm", INLATEOUT_KW => "inlateout", INOUT_KW => "inout", LABEL_KW => "label", LATEOUT_KW => "lateout", MACRO_RULES_KW => "macro_rules", MAY_UNWIND_KW => "may_unwind", + NAKED_ASM_KW => "naked_asm", NOMEM_KW => "nomem", NORETURN_KW => "noreturn", NOSTACK_KW => "nostack", @@ -699,12 +703,14 @@ impl SyntaxKind { DEFAULT_KW => true, DYN_KW if edition < Edition::Edition2018 => true, FORMAT_ARGS_KW => true, + GLOBAL_ASM_KW => true, INLATEOUT_KW => true, INOUT_KW => true, LABEL_KW => true, LATEOUT_KW => true, MACRO_RULES_KW => true, MAY_UNWIND_KW => true, + NAKED_ASM_KW => true, NOMEM_KW => true, NORETURN_KW => true, NOSTACK_KW => true, @@ -787,12 +793,14 @@ impl SyntaxKind { DEFAULT_KW => true, DYN_KW if edition < Edition::Edition2018 => true, FORMAT_ARGS_KW => true, + GLOBAL_ASM_KW => true, INLATEOUT_KW => true, INOUT_KW => true, LABEL_KW => true, LATEOUT_KW => true, MACRO_RULES_KW => true, MAY_UNWIND_KW => true, + NAKED_ASM_KW => true, NOMEM_KW => true, NORETURN_KW => true, NOSTACK_KW => true, @@ -938,12 +946,14 @@ impl SyntaxKind { "default" => DEFAULT_KW, "dyn" if edition < Edition::Edition2018 => DYN_KW, "format_args" => FORMAT_ARGS_KW, + "global_asm" => GLOBAL_ASM_KW, "inlateout" => INLATEOUT_KW, "inout" => INOUT_KW, "label" => LABEL_KW, "lateout" => LATEOUT_KW, "macro_rules" => MACRO_RULES_KW, "may_unwind" => MAY_UNWIND_KW, + "naked_asm" => NAKED_ASM_KW, "nomem" => NOMEM_KW, "noreturn" => NORETURN_KW, "nostack" => NOSTACK_KW, @@ -998,7 +1008,7 @@ impl SyntaxKind { } } #[macro_export] -macro_rules ! T_ { [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [abstract] => { $ crate :: SyntaxKind :: ABSTRACT_KW } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [become] => { $ crate :: SyntaxKind :: BECOME_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [do] => { $ crate :: SyntaxKind :: DO_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [final] => { $ crate :: SyntaxKind :: FINAL_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [override] => { $ crate :: SyntaxKind :: OVERRIDE_KW } ; [priv] => { $ crate :: SyntaxKind :: PRIV_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [typeof] => { $ crate :: SyntaxKind :: TYPEOF_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [unsized] => { $ crate :: SyntaxKind :: UNSIZED_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [virtual] => { $ crate :: SyntaxKind :: VIRTUAL_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [asm] => { $ crate :: SyntaxKind :: ASM_KW } ; [att_syntax] => { $ crate :: SyntaxKind :: ATT_SYNTAX_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [builtin] => { $ crate :: SyntaxKind :: BUILTIN_KW } ; [clobber_abi] => { $ crate :: SyntaxKind :: CLOBBER_ABI_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [format_args] => { $ crate :: SyntaxKind :: FORMAT_ARGS_KW } ; [inlateout] => { $ crate :: SyntaxKind :: INLATEOUT_KW } ; [inout] => { $ crate :: SyntaxKind :: INOUT_KW } ; [label] => { $ crate :: SyntaxKind :: LABEL_KW } ; [lateout] => { $ crate :: SyntaxKind :: LATEOUT_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [may_unwind] => { $ crate :: SyntaxKind :: MAY_UNWIND_KW } ; [nomem] => { $ crate :: SyntaxKind :: NOMEM_KW } ; [noreturn] => { $ crate :: SyntaxKind :: NORETURN_KW } ; [nostack] => { $ crate :: SyntaxKind :: NOSTACK_KW } ; [offset_of] => { $ crate :: SyntaxKind :: OFFSET_OF_KW } ; [options] => { $ crate :: SyntaxKind :: OPTIONS_KW } ; [out] => { $ crate :: SyntaxKind :: OUT_KW } ; [preserves_flags] => { $ crate :: SyntaxKind :: PRESERVES_FLAGS_KW } ; [pure] => { $ crate :: SyntaxKind :: PURE_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [readonly] => { $ crate :: SyntaxKind :: READONLY_KW } ; [safe] => { $ crate :: SyntaxKind :: SAFE_KW } ; [sym] => { $ crate :: SyntaxKind :: SYM_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [yeet] => { $ crate :: SyntaxKind :: YEET_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [gen] => { $ crate :: SyntaxKind :: GEN_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [int_number] => { $ crate :: SyntaxKind :: INT_NUMBER } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [string] => { $ crate :: SyntaxKind :: STRING } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; [frontmatter] => { $ crate :: SyntaxKind :: FRONTMATTER } ; } +macro_rules ! T_ { [$] => { $ crate :: SyntaxKind :: DOLLAR } ; [;] => { $ crate :: SyntaxKind :: SEMICOLON } ; [,] => { $ crate :: SyntaxKind :: COMMA } ; ['('] => { $ crate :: SyntaxKind :: L_PAREN } ; [')'] => { $ crate :: SyntaxKind :: R_PAREN } ; ['{'] => { $ crate :: SyntaxKind :: L_CURLY } ; ['}'] => { $ crate :: SyntaxKind :: R_CURLY } ; ['['] => { $ crate :: SyntaxKind :: L_BRACK } ; [']'] => { $ crate :: SyntaxKind :: R_BRACK } ; [<] => { $ crate :: SyntaxKind :: L_ANGLE } ; [>] => { $ crate :: SyntaxKind :: R_ANGLE } ; [@] => { $ crate :: SyntaxKind :: AT } ; [#] => { $ crate :: SyntaxKind :: POUND } ; [~] => { $ crate :: SyntaxKind :: TILDE } ; [?] => { $ crate :: SyntaxKind :: QUESTION } ; [&] => { $ crate :: SyntaxKind :: AMP } ; [|] => { $ crate :: SyntaxKind :: PIPE } ; [+] => { $ crate :: SyntaxKind :: PLUS } ; [*] => { $ crate :: SyntaxKind :: STAR } ; [/] => { $ crate :: SyntaxKind :: SLASH } ; [^] => { $ crate :: SyntaxKind :: CARET } ; [%] => { $ crate :: SyntaxKind :: PERCENT } ; [_] => { $ crate :: SyntaxKind :: UNDERSCORE } ; [.] => { $ crate :: SyntaxKind :: DOT } ; [..] => { $ crate :: SyntaxKind :: DOT2 } ; [...] => { $ crate :: SyntaxKind :: DOT3 } ; [..=] => { $ crate :: SyntaxKind :: DOT2EQ } ; [:] => { $ crate :: SyntaxKind :: COLON } ; [::] => { $ crate :: SyntaxKind :: COLON2 } ; [=] => { $ crate :: SyntaxKind :: EQ } ; [==] => { $ crate :: SyntaxKind :: EQ2 } ; [=>] => { $ crate :: SyntaxKind :: FAT_ARROW } ; [!] => { $ crate :: SyntaxKind :: BANG } ; [!=] => { $ crate :: SyntaxKind :: NEQ } ; [-] => { $ crate :: SyntaxKind :: MINUS } ; [->] => { $ crate :: SyntaxKind :: THIN_ARROW } ; [<=] => { $ crate :: SyntaxKind :: LTEQ } ; [>=] => { $ crate :: SyntaxKind :: GTEQ } ; [+=] => { $ crate :: SyntaxKind :: PLUSEQ } ; [-=] => { $ crate :: SyntaxKind :: MINUSEQ } ; [|=] => { $ crate :: SyntaxKind :: PIPEEQ } ; [&=] => { $ crate :: SyntaxKind :: AMPEQ } ; [^=] => { $ crate :: SyntaxKind :: CARETEQ } ; [/=] => { $ crate :: SyntaxKind :: SLASHEQ } ; [*=] => { $ crate :: SyntaxKind :: STAREQ } ; [%=] => { $ crate :: SyntaxKind :: PERCENTEQ } ; [&&] => { $ crate :: SyntaxKind :: AMP2 } ; [||] => { $ crate :: SyntaxKind :: PIPE2 } ; [<<] => { $ crate :: SyntaxKind :: SHL } ; [>>] => { $ crate :: SyntaxKind :: SHR } ; [<<=] => { $ crate :: SyntaxKind :: SHLEQ } ; [>>=] => { $ crate :: SyntaxKind :: SHREQ } ; [Self] => { $ crate :: SyntaxKind :: SELF_TYPE_KW } ; [abstract] => { $ crate :: SyntaxKind :: ABSTRACT_KW } ; [as] => { $ crate :: SyntaxKind :: AS_KW } ; [become] => { $ crate :: SyntaxKind :: BECOME_KW } ; [box] => { $ crate :: SyntaxKind :: BOX_KW } ; [break] => { $ crate :: SyntaxKind :: BREAK_KW } ; [const] => { $ crate :: SyntaxKind :: CONST_KW } ; [continue] => { $ crate :: SyntaxKind :: CONTINUE_KW } ; [crate] => { $ crate :: SyntaxKind :: CRATE_KW } ; [do] => { $ crate :: SyntaxKind :: DO_KW } ; [else] => { $ crate :: SyntaxKind :: ELSE_KW } ; [enum] => { $ crate :: SyntaxKind :: ENUM_KW } ; [extern] => { $ crate :: SyntaxKind :: EXTERN_KW } ; [false] => { $ crate :: SyntaxKind :: FALSE_KW } ; [final] => { $ crate :: SyntaxKind :: FINAL_KW } ; [fn] => { $ crate :: SyntaxKind :: FN_KW } ; [for] => { $ crate :: SyntaxKind :: FOR_KW } ; [if] => { $ crate :: SyntaxKind :: IF_KW } ; [impl] => { $ crate :: SyntaxKind :: IMPL_KW } ; [in] => { $ crate :: SyntaxKind :: IN_KW } ; [let] => { $ crate :: SyntaxKind :: LET_KW } ; [loop] => { $ crate :: SyntaxKind :: LOOP_KW } ; [macro] => { $ crate :: SyntaxKind :: MACRO_KW } ; [match] => { $ crate :: SyntaxKind :: MATCH_KW } ; [mod] => { $ crate :: SyntaxKind :: MOD_KW } ; [move] => { $ crate :: SyntaxKind :: MOVE_KW } ; [mut] => { $ crate :: SyntaxKind :: MUT_KW } ; [override] => { $ crate :: SyntaxKind :: OVERRIDE_KW } ; [priv] => { $ crate :: SyntaxKind :: PRIV_KW } ; [pub] => { $ crate :: SyntaxKind :: PUB_KW } ; [ref] => { $ crate :: SyntaxKind :: REF_KW } ; [return] => { $ crate :: SyntaxKind :: RETURN_KW } ; [self] => { $ crate :: SyntaxKind :: SELF_KW } ; [static] => { $ crate :: SyntaxKind :: STATIC_KW } ; [struct] => { $ crate :: SyntaxKind :: STRUCT_KW } ; [super] => { $ crate :: SyntaxKind :: SUPER_KW } ; [trait] => { $ crate :: SyntaxKind :: TRAIT_KW } ; [true] => { $ crate :: SyntaxKind :: TRUE_KW } ; [type] => { $ crate :: SyntaxKind :: TYPE_KW } ; [typeof] => { $ crate :: SyntaxKind :: TYPEOF_KW } ; [unsafe] => { $ crate :: SyntaxKind :: UNSAFE_KW } ; [unsized] => { $ crate :: SyntaxKind :: UNSIZED_KW } ; [use] => { $ crate :: SyntaxKind :: USE_KW } ; [virtual] => { $ crate :: SyntaxKind :: VIRTUAL_KW } ; [where] => { $ crate :: SyntaxKind :: WHERE_KW } ; [while] => { $ crate :: SyntaxKind :: WHILE_KW } ; [yield] => { $ crate :: SyntaxKind :: YIELD_KW } ; [asm] => { $ crate :: SyntaxKind :: ASM_KW } ; [att_syntax] => { $ crate :: SyntaxKind :: ATT_SYNTAX_KW } ; [auto] => { $ crate :: SyntaxKind :: AUTO_KW } ; [builtin] => { $ crate :: SyntaxKind :: BUILTIN_KW } ; [clobber_abi] => { $ crate :: SyntaxKind :: CLOBBER_ABI_KW } ; [default] => { $ crate :: SyntaxKind :: DEFAULT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [format_args] => { $ crate :: SyntaxKind :: FORMAT_ARGS_KW } ; [global_asm] => { $ crate :: SyntaxKind :: GLOBAL_ASM_KW } ; [inlateout] => { $ crate :: SyntaxKind :: INLATEOUT_KW } ; [inout] => { $ crate :: SyntaxKind :: INOUT_KW } ; [label] => { $ crate :: SyntaxKind :: LABEL_KW } ; [lateout] => { $ crate :: SyntaxKind :: LATEOUT_KW } ; [macro_rules] => { $ crate :: SyntaxKind :: MACRO_RULES_KW } ; [may_unwind] => { $ crate :: SyntaxKind :: MAY_UNWIND_KW } ; [naked_asm] => { $ crate :: SyntaxKind :: NAKED_ASM_KW } ; [nomem] => { $ crate :: SyntaxKind :: NOMEM_KW } ; [noreturn] => { $ crate :: SyntaxKind :: NORETURN_KW } ; [nostack] => { $ crate :: SyntaxKind :: NOSTACK_KW } ; [offset_of] => { $ crate :: SyntaxKind :: OFFSET_OF_KW } ; [options] => { $ crate :: SyntaxKind :: OPTIONS_KW } ; [out] => { $ crate :: SyntaxKind :: OUT_KW } ; [preserves_flags] => { $ crate :: SyntaxKind :: PRESERVES_FLAGS_KW } ; [pure] => { $ crate :: SyntaxKind :: PURE_KW } ; [raw] => { $ crate :: SyntaxKind :: RAW_KW } ; [readonly] => { $ crate :: SyntaxKind :: READONLY_KW } ; [safe] => { $ crate :: SyntaxKind :: SAFE_KW } ; [sym] => { $ crate :: SyntaxKind :: SYM_KW } ; [union] => { $ crate :: SyntaxKind :: UNION_KW } ; [yeet] => { $ crate :: SyntaxKind :: YEET_KW } ; [async] => { $ crate :: SyntaxKind :: ASYNC_KW } ; [await] => { $ crate :: SyntaxKind :: AWAIT_KW } ; [dyn] => { $ crate :: SyntaxKind :: DYN_KW } ; [gen] => { $ crate :: SyntaxKind :: GEN_KW } ; [try] => { $ crate :: SyntaxKind :: TRY_KW } ; [lifetime_ident] => { $ crate :: SyntaxKind :: LIFETIME_IDENT } ; [int_number] => { $ crate :: SyntaxKind :: INT_NUMBER } ; [ident] => { $ crate :: SyntaxKind :: IDENT } ; [string] => { $ crate :: SyntaxKind :: STRING } ; [shebang] => { $ crate :: SyntaxKind :: SHEBANG } ; [frontmatter] => { $ crate :: SyntaxKind :: FRONTMATTER } ; } impl ::core::marker::Copy for SyntaxKind {} impl ::core::clone::Clone for SyntaxKind { #[inline] diff --git a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs index 6ec4192830b..cef7b0ee239 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/generated/runner.rs @@ -21,6 +21,8 @@ mod ok { #[test] fn asm_expr() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_expr.rs"); } #[test] + fn asm_kinds() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_kinds.rs"); } + #[test] fn asm_label() { run_and_expect_no_errors("test_data/parser/inline/ok/asm_label.rs"); } #[test] fn assoc_const_eq() { @@ -298,6 +300,8 @@ mod ok { run_and_expect_no_errors("test_data/parser/inline/ok/generic_param_list.rs"); } #[test] + fn global_asm() { run_and_expect_no_errors("test_data/parser/inline/ok/global_asm.rs"); } + #[test] fn half_open_range_pat() { run_and_expect_no_errors("test_data/parser/inline/ok/half_open_range_pat.rs"); } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast new file mode 100644 index 00000000000..c337d89aa50 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rast @@ -0,0 +1,48 @@ +SOURCE_FILE + FN + FN_KW "fn" + WHITESPACE " " + NAME + IDENT "foo" + PARAM_LIST + L_PAREN "(" + R_PAREN ")" + WHITESPACE " " + BLOCK_EXPR + STMT_LIST + L_CURLY "{" + WHITESPACE "\n " + EXPR_STMT + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + ASM_KW "asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + GLOBAL_ASM_KW "global_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + NAKED_ASM_KW "naked_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n" + R_CURLY "}" + WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs new file mode 100644 index 00000000000..9c03e9de689 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/asm_kinds.rs @@ -0,0 +1,5 @@ +fn foo() { + builtin#asm(""); + builtin#global_asm(""); + builtin#naked_asm(""); +} diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast new file mode 100644 index 00000000000..5337c56be17 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rast @@ -0,0 +1,10 @@ +SOURCE_FILE + ASM_EXPR + BUILTIN_KW "builtin" + POUND "#" + GLOBAL_ASM_KW "global_asm" + L_PAREN "(" + LITERAL + STRING "\"\"" + R_PAREN ")" + WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs new file mode 100644 index 00000000000..967ce1f5fd9 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/global_asm.rs @@ -0,0 +1 @@ +builtin#global_asm("") diff --git a/src/tools/rust-analyzer/crates/project-model/src/cargo_config_file.rs b/src/tools/rust-analyzer/crates/project-model/src/cargo_config_file.rs new file mode 100644 index 00000000000..7966f74df30 --- /dev/null +++ b/src/tools/rust-analyzer/crates/project-model/src/cargo_config_file.rs @@ -0,0 +1,34 @@ +//! Read `.cargo/config.toml` as a JSON object +use rustc_hash::FxHashMap; +use toolchain::Tool; + +use crate::{ManifestPath, Sysroot, utf8_stdout}; + +pub(crate) type CargoConfigFile = serde_json::Map<String, serde_json::Value>; + +pub(crate) fn read( + manifest: &ManifestPath, + extra_env: &FxHashMap<String, Option<String>>, + sysroot: &Sysroot, +) -> Option<CargoConfigFile> { + let mut cargo_config = sysroot.tool(Tool::Cargo, manifest.parent(), extra_env); + cargo_config + .args(["-Z", "unstable-options", "config", "get", "--format", "json"]) + .env("RUSTC_BOOTSTRAP", "1"); + if manifest.is_rust_manifest() { + cargo_config.arg("-Zscript"); + } + + tracing::debug!("Discovering cargo config by {:?}", cargo_config); + let json: serde_json::Map<String, serde_json::Value> = utf8_stdout(&mut cargo_config) + .inspect(|json| { + tracing::debug!("Discovered cargo config: {:?}", json); + }) + .inspect_err(|err| { + tracing::debug!("Failed to discover cargo config: {:?}", err); + }) + .ok() + .and_then(|stdout| serde_json::from_str(&stdout).ok())?; + + Some(json) +} diff --git a/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs b/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs index 4bacc904174..daadcd9d79a 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs @@ -300,8 +300,6 @@ pub struct CargoMetadataConfig { pub extra_args: Vec<String>, /// Extra env vars to set when invoking the cargo command pub extra_env: FxHashMap<String, Option<String>>, - /// The target dir for this workspace load. - pub target_dir: Utf8PathBuf, /// What kind of metadata are we fetching: workspace, rustc, or sysroot. pub kind: &'static str, /// The toolchain version, if known. @@ -317,188 +315,6 @@ struct PackageMetadata { } impl CargoWorkspace { - /// Fetches the metadata for the given `cargo_toml` manifest. - /// A successful result may contain another metadata error if the initial fetching failed but - /// the `--no-deps` retry succeeded. - /// - /// The sysroot is used to set the `RUSTUP_TOOLCHAIN` env var when invoking cargo - /// to ensure that the rustup proxy uses the correct toolchain. - pub fn fetch_metadata( - cargo_toml: &ManifestPath, - current_dir: &AbsPath, - config: &CargoMetadataConfig, - sysroot: &Sysroot, - no_deps: bool, - locked: bool, - progress: &dyn Fn(String), - ) -> anyhow::Result<(cargo_metadata::Metadata, Option<anyhow::Error>)> { - let res = Self::fetch_metadata_( - cargo_toml, - current_dir, - config, - sysroot, - no_deps, - locked, - progress, - ); - if let Ok((_, Some(ref e))) = res { - tracing::warn!( - %cargo_toml, - ?e, - "`cargo metadata` failed, but retry with `--no-deps` succeeded" - ); - } - res - } - - fn fetch_metadata_( - cargo_toml: &ManifestPath, - current_dir: &AbsPath, - config: &CargoMetadataConfig, - sysroot: &Sysroot, - no_deps: bool, - locked: bool, - progress: &dyn Fn(String), - ) -> anyhow::Result<(cargo_metadata::Metadata, Option<anyhow::Error>)> { - let cargo = sysroot.tool(Tool::Cargo, current_dir, &config.extra_env); - let mut meta = MetadataCommand::new(); - meta.cargo_path(cargo.get_program()); - cargo.get_envs().for_each(|(var, val)| _ = meta.env(var, val.unwrap_or_default())); - meta.manifest_path(cargo_toml.to_path_buf()); - match &config.features { - CargoFeatures::All => { - meta.features(CargoOpt::AllFeatures); - } - CargoFeatures::Selected { features, no_default_features } => { - if *no_default_features { - meta.features(CargoOpt::NoDefaultFeatures); - } - if !features.is_empty() { - meta.features(CargoOpt::SomeFeatures(features.clone())); - } - } - } - meta.current_dir(current_dir); - - let mut other_options = vec![]; - // cargo metadata only supports a subset of flags of what cargo usually accepts, and usually - // the only relevant flags for metadata here are unstable ones, so we pass those along - // but nothing else - let mut extra_args = config.extra_args.iter(); - while let Some(arg) = extra_args.next() { - if arg == "-Z" { - if let Some(arg) = extra_args.next() { - other_options.push("-Z".to_owned()); - other_options.push(arg.to_owned()); - } - } - } - - if !config.targets.is_empty() { - other_options.extend( - config.targets.iter().flat_map(|it| ["--filter-platform".to_owned(), it.clone()]), - ); - } - if no_deps { - other_options.push("--no-deps".to_owned()); - } - - let mut using_lockfile_copy = false; - // The manifest is a rust file, so this means its a script manifest - if cargo_toml.is_rust_manifest() { - other_options.push("-Zscript".to_owned()); - } else if config - .toolchain_version - .as_ref() - .is_some_and(|v| *v >= MINIMUM_TOOLCHAIN_VERSION_SUPPORTING_LOCKFILE_PATH) - { - let lockfile = <_ as AsRef<Utf8Path>>::as_ref(cargo_toml).with_extension("lock"); - let target_lockfile = config - .target_dir - .join("rust-analyzer") - .join("metadata") - .join(config.kind) - .join("Cargo.lock"); - match std::fs::copy(&lockfile, &target_lockfile) { - Ok(_) => { - using_lockfile_copy = true; - other_options.push("--lockfile-path".to_owned()); - other_options.push(target_lockfile.to_string()); - } - Err(e) if e.kind() == std::io::ErrorKind::NotFound => { - // There exists no lockfile yet - using_lockfile_copy = true; - other_options.push("--lockfile-path".to_owned()); - other_options.push(target_lockfile.to_string()); - } - Err(e) => { - tracing::warn!( - "Failed to copy lock file from `{lockfile}` to `{target_lockfile}`: {e}", - ); - } - } - } - if using_lockfile_copy { - other_options.push("-Zunstable-options".to_owned()); - meta.env("RUSTC_BOOTSTRAP", "1"); - } - // No need to lock it if we copied the lockfile, we won't modify the original after all/ - // This way cargo cannot error out on us if the lockfile requires updating. - if !using_lockfile_copy && locked { - other_options.push("--locked".to_owned()); - } - meta.other_options(other_options); - - // FIXME: Fetching metadata is a slow process, as it might require - // calling crates.io. We should be reporting progress here, but it's - // unclear whether cargo itself supports it. - progress("cargo metadata: started".to_owned()); - - let res = (|| -> anyhow::Result<(_, _)> { - let mut errored = false; - let output = - spawn_with_streaming_output(meta.cargo_command(), &mut |_| (), &mut |line| { - errored = errored || line.starts_with("error") || line.starts_with("warning"); - if errored { - progress("cargo metadata: ?".to_owned()); - return; - } - progress(format!("cargo metadata: {line}")); - })?; - if !output.status.success() { - progress(format!("cargo metadata: failed {}", output.status)); - let error = cargo_metadata::Error::CargoMetadata { - stderr: String::from_utf8(output.stderr)?, - } - .into(); - if !no_deps { - // If we failed to fetch metadata with deps, try again without them. - // This makes r-a still work partially when offline. - if let Ok((metadata, _)) = Self::fetch_metadata_( - cargo_toml, - current_dir, - config, - sysroot, - true, - locked, - progress, - ) { - return Ok((metadata, Some(error))); - } - } - return Err(error); - } - let stdout = from_utf8(&output.stdout)? - .lines() - .find(|line| line.starts_with('{')) - .ok_or(cargo_metadata::Error::NoJson)?; - Ok((cargo_metadata::MetadataCommand::parse(stdout)?, None)) - })() - .with_context(|| format!("Failed to run `{:?}`", meta.cargo_command())); - progress("cargo metadata: finished".to_owned()); - res - } - pub fn new( mut meta: cargo_metadata::Metadata, ws_manifest_path: ManifestPath, @@ -733,3 +549,214 @@ impl CargoWorkspace { self.requires_rustc_private } } + +pub(crate) struct FetchMetadata { + command: cargo_metadata::MetadataCommand, + lockfile_path: Option<Utf8PathBuf>, + kind: &'static str, + no_deps: bool, + no_deps_result: anyhow::Result<cargo_metadata::Metadata>, + other_options: Vec<String>, +} + +impl FetchMetadata { + /// Builds a command to fetch metadata for the given `cargo_toml` manifest. + /// + /// Performs a lightweight pre-fetch using the `--no-deps` option, + /// available via [`FetchMetadata::no_deps_metadata`], to gather basic + /// information such as the `target-dir`. + /// + /// The provided sysroot is used to set the `RUSTUP_TOOLCHAIN` + /// environment variable when invoking Cargo, ensuring that the + /// rustup proxy selects the correct toolchain. + pub(crate) fn new( + cargo_toml: &ManifestPath, + current_dir: &AbsPath, + config: &CargoMetadataConfig, + sysroot: &Sysroot, + no_deps: bool, + ) -> Self { + let cargo = sysroot.tool(Tool::Cargo, current_dir, &config.extra_env); + let mut command = MetadataCommand::new(); + command.cargo_path(cargo.get_program()); + cargo.get_envs().for_each(|(var, val)| _ = command.env(var, val.unwrap_or_default())); + command.manifest_path(cargo_toml.to_path_buf()); + match &config.features { + CargoFeatures::All => { + command.features(CargoOpt::AllFeatures); + } + CargoFeatures::Selected { features, no_default_features } => { + if *no_default_features { + command.features(CargoOpt::NoDefaultFeatures); + } + if !features.is_empty() { + command.features(CargoOpt::SomeFeatures(features.clone())); + } + } + } + command.current_dir(current_dir); + + let mut needs_nightly = false; + let mut other_options = vec![]; + // cargo metadata only supports a subset of flags of what cargo usually accepts, and usually + // the only relevant flags for metadata here are unstable ones, so we pass those along + // but nothing else + let mut extra_args = config.extra_args.iter(); + while let Some(arg) = extra_args.next() { + if arg == "-Z" { + if let Some(arg) = extra_args.next() { + needs_nightly = true; + other_options.push("-Z".to_owned()); + other_options.push(arg.to_owned()); + } + } + } + + let mut lockfile_path = None; + if cargo_toml.is_rust_manifest() { + needs_nightly = true; + other_options.push("-Zscript".to_owned()); + } else if config + .toolchain_version + .as_ref() + .is_some_and(|v| *v >= MINIMUM_TOOLCHAIN_VERSION_SUPPORTING_LOCKFILE_PATH) + { + lockfile_path = Some(<_ as AsRef<Utf8Path>>::as_ref(cargo_toml).with_extension("lock")); + } + + if !config.targets.is_empty() { + other_options.extend( + config.targets.iter().flat_map(|it| ["--filter-platform".to_owned(), it.clone()]), + ); + } + + command.other_options(other_options.clone()); + + if needs_nightly { + command.env("RUSTC_BOOTSTRAP", "1"); + } + + // Pre-fetch basic metadata using `--no-deps`, which: + // - avoids fetching registries like crates.io, + // - skips dependency resolution and does not modify lockfiles, + // - and thus doesn't require progress reporting or copying lockfiles. + // + // Useful as a fast fallback to extract info like `target-dir`. + let cargo_command; + let no_deps_result = if no_deps { + command.no_deps(); + cargo_command = command.cargo_command(); + command.exec() + } else { + let mut no_deps_command = command.clone(); + no_deps_command.no_deps(); + cargo_command = no_deps_command.cargo_command(); + no_deps_command.exec() + } + .with_context(|| format!("Failed to run `{cargo_command:?}`")); + + Self { command, lockfile_path, kind: config.kind, no_deps, no_deps_result, other_options } + } + + pub(crate) fn no_deps_metadata(&self) -> Option<&cargo_metadata::Metadata> { + self.no_deps_result.as_ref().ok() + } + + /// Executes the metadata-fetching command. + /// + /// A successful result may still contain a metadata error if the full fetch failed, + /// but the fallback `--no-deps` pre-fetch succeeded during command construction. + pub(crate) fn exec( + self, + target_dir: &Utf8Path, + locked: bool, + progress: &dyn Fn(String), + ) -> anyhow::Result<(cargo_metadata::Metadata, Option<anyhow::Error>)> { + let Self { mut command, lockfile_path, kind, no_deps, no_deps_result, mut other_options } = + self; + + if no_deps { + return no_deps_result.map(|m| (m, None)); + } + + let mut using_lockfile_copy = false; + // The manifest is a rust file, so this means its a script manifest + if let Some(lockfile) = lockfile_path { + let target_lockfile = + target_dir.join("rust-analyzer").join("metadata").join(kind).join("Cargo.lock"); + match std::fs::copy(&lockfile, &target_lockfile) { + Ok(_) => { + using_lockfile_copy = true; + other_options.push("--lockfile-path".to_owned()); + other_options.push(target_lockfile.to_string()); + } + Err(e) if e.kind() == std::io::ErrorKind::NotFound => { + // There exists no lockfile yet + using_lockfile_copy = true; + other_options.push("--lockfile-path".to_owned()); + other_options.push(target_lockfile.to_string()); + } + Err(e) => { + tracing::warn!( + "Failed to copy lock file from `{lockfile}` to `{target_lockfile}`: {e}", + ); + } + } + } + if using_lockfile_copy { + other_options.push("-Zunstable-options".to_owned()); + command.env("RUSTC_BOOTSTRAP", "1"); + } + // No need to lock it if we copied the lockfile, we won't modify the original after all/ + // This way cargo cannot error out on us if the lockfile requires updating. + if !using_lockfile_copy && locked { + other_options.push("--locked".to_owned()); + } + command.other_options(other_options); + + // FIXME: Fetching metadata is a slow process, as it might require + // calling crates.io. We should be reporting progress here, but it's + // unclear whether cargo itself supports it. + progress("cargo metadata: started".to_owned()); + + let res = (|| -> anyhow::Result<(_, _)> { + let mut errored = false; + let output = + spawn_with_streaming_output(command.cargo_command(), &mut |_| (), &mut |line| { + errored = errored || line.starts_with("error") || line.starts_with("warning"); + if errored { + progress("cargo metadata: ?".to_owned()); + return; + } + progress(format!("cargo metadata: {line}")); + })?; + if !output.status.success() { + progress(format!("cargo metadata: failed {}", output.status)); + let error = cargo_metadata::Error::CargoMetadata { + stderr: String::from_utf8(output.stderr)?, + } + .into(); + if !no_deps { + // If we failed to fetch metadata with deps, return pre-fetched result without them. + // This makes r-a still work partially when offline. + if let Ok(metadata) = no_deps_result { + tracing::warn!( + ?error, + "`cargo metadata` failed and returning succeeded result with `--no-deps`" + ); + return Ok((metadata, Some(error))); + } + } + return Err(error); + } + let stdout = from_utf8(&output.stdout)? + .lines() + .find(|line| line.starts_with('{')) + .ok_or(cargo_metadata::Error::NoJson)?; + Ok((cargo_metadata::MetadataCommand::parse(stdout)?, None)) + })() + .with_context(|| format!("Failed to run `{:?}`", command.cargo_command())); + progress("cargo metadata: finished".to_owned()); + res + } +} diff --git a/src/tools/rust-analyzer/crates/project-model/src/env.rs b/src/tools/rust-analyzer/crates/project-model/src/env.rs index 9e0415c3b39..d281492fc98 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/env.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/env.rs @@ -1,10 +1,9 @@ //! Cargo-like environment variables injection. use base_db::Env; -use paths::{Utf8Path, Utf8PathBuf}; -use rustc_hash::FxHashMap; +use paths::Utf8Path; use toolchain::Tool; -use crate::{ManifestPath, PackageData, Sysroot, TargetKind, utf8_stdout}; +use crate::{ManifestPath, PackageData, TargetKind, cargo_config_file::CargoConfigFile}; /// Recreates the compile-time environment variables that Cargo sets. /// @@ -61,104 +60,68 @@ pub(crate) fn inject_rustc_tool_env(env: &mut Env, cargo_name: &str, kind: Targe env.set("CARGO_CRATE_NAME", cargo_name.replace('-', "_")); } -pub(crate) fn cargo_config_env( - manifest: &ManifestPath, - extra_env: &FxHashMap<String, Option<String>>, - sysroot: &Sysroot, -) -> Env { - let mut cargo_config = sysroot.tool(Tool::Cargo, manifest.parent(), extra_env); - cargo_config - .args(["-Z", "unstable-options", "config", "get", "env"]) - .env("RUSTC_BOOTSTRAP", "1"); - if manifest.is_rust_manifest() { - cargo_config.arg("-Zscript"); - } - // if successful we receive `env.key.value = "value" per entry - tracing::debug!("Discovering cargo config env by {:?}", cargo_config); - utf8_stdout(&mut cargo_config) - .map(|stdout| parse_output_cargo_config_env(manifest, &stdout)) - .inspect(|env| { - tracing::debug!("Discovered cargo config env: {:?}", env); - }) - .inspect_err(|err| { - tracing::debug!("Failed to discover cargo config env: {:?}", err); - }) - .unwrap_or_default() -} - -fn parse_output_cargo_config_env(manifest: &ManifestPath, stdout: &str) -> Env { +pub(crate) fn cargo_config_env(manifest: &ManifestPath, config: &Option<CargoConfigFile>) -> Env { let mut env = Env::default(); - let mut relatives = vec![]; - for (key, val) in - stdout.lines().filter_map(|l| l.strip_prefix("env.")).filter_map(|l| l.split_once(" = ")) - { - let val = val.trim_matches('"').to_owned(); - if let Some((key, modifier)) = key.split_once('.') { - match modifier { - "relative" => relatives.push((key, val)), - "value" => _ = env.insert(key, val), - _ => { - tracing::warn!( - "Unknown modifier in cargo config env: {}, expected `relative` or `value`", - modifier - ); - continue; - } - } - } else { - env.insert(key, val); - } - } + let Some(serde_json::Value::Object(env_json)) = config.as_ref().and_then(|c| c.get("env")) + else { + return env; + }; + // FIXME: The base here should be the parent of the `.cargo/config` file, not the manifest. // But cargo does not provide this information. let base = <_ as AsRef<Utf8Path>>::as_ref(manifest.parent()); - for (key, relative) in relatives { - if relative != "true" { + + for (key, entry) in env_json { + let serde_json::Value::Object(entry) = entry else { continue; - } - if let Some(suffix) = env.get(key) { - env.insert(key, base.join(suffix).to_string()); - } - } - env -} + }; + let Some(value) = entry.get("value").and_then(|v| v.as_str()) else { + continue; + }; -pub(crate) fn cargo_config_build_target_dir( - manifest: &ManifestPath, - extra_env: &FxHashMap<String, Option<String>>, - sysroot: &Sysroot, -) -> Option<Utf8PathBuf> { - let mut cargo_config = sysroot.tool(Tool::Cargo, manifest.parent(), extra_env); - cargo_config - .args(["-Z", "unstable-options", "config", "get", "build.target-dir"]) - .env("RUSTC_BOOTSTRAP", "1"); - if manifest.is_rust_manifest() { - cargo_config.arg("-Zscript"); + let value = if entry + .get("relative") + .and_then(|v| v.as_bool()) + .is_some_and(std::convert::identity) + { + base.join(value).to_string() + } else { + value.to_owned() + }; + env.insert(key, value); } - utf8_stdout(&mut cargo_config) - .map(|stdout| { - Utf8Path::new(stdout.trim_start_matches("build.target-dir = ").trim_matches('"')) - .to_owned() - }) - .ok() + + env } #[test] fn parse_output_cargo_config_env_works() { - let stdout = r#" -env.CARGO_WORKSPACE_DIR.relative = true -env.CARGO_WORKSPACE_DIR.value = "" -env.RELATIVE.relative = true -env.RELATIVE.value = "../relative" -env.INVALID.relative = invalidbool -env.INVALID.value = "../relative" -env.TEST.value = "test" -"# - .trim(); + let raw = r#" +{ + "env": { + "CARGO_WORKSPACE_DIR": { + "relative": true, + "value": "" + }, + "INVALID": { + "relative": "invalidbool", + "value": "../relative" + }, + "RELATIVE": { + "relative": true, + "value": "../relative" + }, + "TEST": { + "value": "test" + } + } +} +"#; + let config: CargoConfigFile = serde_json::from_str(raw).unwrap(); let cwd = paths::Utf8PathBuf::try_from(std::env::current_dir().unwrap()).unwrap(); let manifest = paths::AbsPathBuf::assert(cwd.join("Cargo.toml")); let manifest = ManifestPath::try_from(manifest).unwrap(); - let env = parse_output_cargo_config_env(&manifest, stdout); + let env = cargo_config_env(&manifest, &Some(config)); assert_eq!(env.get("CARGO_WORKSPACE_DIR").as_deref(), Some(cwd.join("").as_str())); assert_eq!(env.get("RELATIVE").as_deref(), Some(cwd.join("../relative").as_str())); assert_eq!(env.get("INVALID").as_deref(), Some("../relative")); diff --git a/src/tools/rust-analyzer/crates/project-model/src/lib.rs b/src/tools/rust-analyzer/crates/project-model/src/lib.rs index 436af64cf13..3bf3d06e6b1 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/lib.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/lib.rs @@ -24,7 +24,7 @@ pub mod toolchain_info { use std::path::Path; - use crate::{ManifestPath, Sysroot}; + use crate::{ManifestPath, Sysroot, cargo_config_file::CargoConfigFile}; #[derive(Copy, Clone)] pub enum QueryConfig<'a> { @@ -32,11 +32,12 @@ pub mod toolchain_info { Rustc(&'a Sysroot, &'a Path), /// Attempt to use cargo to query the desired information, honoring cargo configurations. /// If this fails, falls back to invoking `rustc` directly. - Cargo(&'a Sysroot, &'a ManifestPath), + Cargo(&'a Sysroot, &'a ManifestPath, &'a Option<CargoConfigFile>), } } mod build_dependencies; +mod cargo_config_file; mod cargo_workspace; mod env; mod manifest_path; diff --git a/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs b/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs index 9f19260d309..9781c46737d 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs @@ -9,14 +9,15 @@ use std::{env, fs, ops::Not, path::Path, process::Command}; use anyhow::{Result, format_err}; use itertools::Itertools; -use paths::{AbsPath, AbsPathBuf, Utf8PathBuf}; +use paths::{AbsPath, AbsPathBuf, Utf8Path, Utf8PathBuf}; use rustc_hash::FxHashMap; use stdx::format_to; use toolchain::{Tool, probe_for_binary}; use crate::{ CargoWorkspace, ManifestPath, ProjectJson, RustSourceWorkspaceConfig, - cargo_workspace::CargoMetadataConfig, utf8_stdout, + cargo_workspace::{CargoMetadataConfig, FetchMetadata}, + utf8_stdout, }; #[derive(Debug, Clone, PartialEq, Eq)] @@ -211,6 +212,7 @@ impl Sysroot { sysroot_source_config: &RustSourceWorkspaceConfig, no_deps: bool, current_dir: &AbsPath, + target_dir: &Utf8Path, progress: &dyn Fn(String), ) -> Option<RustLibSrcWorkspace> { assert!(matches!(self.workspace, RustLibSrcWorkspace::Empty), "workspace already loaded"); @@ -224,6 +226,7 @@ impl Sysroot { match self.load_library_via_cargo( &library_manifest, current_dir, + target_dir, cargo_config, no_deps, progress, @@ -319,6 +322,7 @@ impl Sysroot { &self, library_manifest: &ManifestPath, current_dir: &AbsPath, + target_dir: &Utf8Path, cargo_config: &CargoMetadataConfig, no_deps: bool, progress: &dyn Fn(String), @@ -331,16 +335,11 @@ impl Sysroot { Some("nightly".to_owned()), ); - let (mut res, _) = CargoWorkspace::fetch_metadata( - library_manifest, - current_dir, - &cargo_config, - self, - no_deps, - // Make sure we never attempt to write to the sysroot - true, - progress, - )?; + // Make sure we never attempt to write to the sysroot + let locked = true; + let (mut res, _) = + FetchMetadata::new(library_manifest, current_dir, &cargo_config, self, no_deps) + .exec(target_dir, locked, progress)?; // Patch out `rustc-std-workspace-*` crates to point to the real crates. // This is done prior to `CrateGraph` construction to prevent de-duplication logic from failing. diff --git a/src/tools/rust-analyzer/crates/project-model/src/tests.rs b/src/tools/rust-analyzer/crates/project-model/src/tests.rs index f229e9a650d..ed72520f40d 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/tests.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/tests.rs @@ -239,8 +239,13 @@ fn smoke_test_real_sysroot_cargo() { ); let cwd = AbsPathBuf::assert_utf8(temp_dir().join("smoke_test_real_sysroot_cargo")); std::fs::create_dir_all(&cwd).unwrap(); - let loaded_sysroot = - sysroot.load_workspace(&RustSourceWorkspaceConfig::default_cargo(), false, &cwd, &|_| ()); + let loaded_sysroot = sysroot.load_workspace( + &RustSourceWorkspaceConfig::default_cargo(), + false, + &cwd, + &Utf8PathBuf::default(), + &|_| (), + ); if let Some(loaded_sysroot) = loaded_sysroot { sysroot.set_workspace(loaded_sysroot); } diff --git a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/rustc_cfg.rs b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/rustc_cfg.rs index a77f76797fc..6e06e88bf7a 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/rustc_cfg.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/rustc_cfg.rs @@ -63,7 +63,7 @@ fn rustc_print_cfg( ) -> anyhow::Result<String> { const RUSTC_ARGS: [&str; 2] = ["--print", "cfg"]; let (sysroot, current_dir) = match config { - QueryConfig::Cargo(sysroot, cargo_toml) => { + QueryConfig::Cargo(sysroot, cargo_toml, _) => { let mut cmd = sysroot.tool(Tool::Cargo, cargo_toml.parent(), extra_env); cmd.args(["rustc", "-Z", "unstable-options"]).args(RUSTC_ARGS); if let Some(target) = target { @@ -109,7 +109,7 @@ mod tests { let sysroot = Sysroot::empty(); let manifest_path = ManifestPath::try_from(AbsPathBuf::assert(Utf8PathBuf::from(manifest_path))).unwrap(); - let cfg = QueryConfig::Cargo(&sysroot, &manifest_path); + let cfg = QueryConfig::Cargo(&sysroot, &manifest_path, &None); assert_ne!(get(cfg, None, &FxHashMap::default()), vec![]); } diff --git a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_data_layout.rs b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_data_layout.rs index a4d0ec69537..a28f468e692 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_data_layout.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_data_layout.rs @@ -20,7 +20,7 @@ pub fn get( }) }; let (sysroot, current_dir) = match config { - QueryConfig::Cargo(sysroot, cargo_toml) => { + QueryConfig::Cargo(sysroot, cargo_toml, _) => { let mut cmd = sysroot.tool(Tool::Cargo, cargo_toml.parent(), extra_env); cmd.env("RUSTC_BOOTSTRAP", "1"); cmd.args(["rustc", "-Z", "unstable-options"]).args(RUSTC_ARGS).args([ @@ -66,7 +66,7 @@ mod tests { let sysroot = Sysroot::empty(); let manifest_path = ManifestPath::try_from(AbsPathBuf::assert(Utf8PathBuf::from(manifest_path))).unwrap(); - let cfg = QueryConfig::Cargo(&sysroot, &manifest_path); + let cfg = QueryConfig::Cargo(&sysroot, &manifest_path, &None); assert!(get(cfg, None, &FxHashMap::default()).is_ok()); } diff --git a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_tuple.rs b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_tuple.rs index f6ab8532197..9f12ededb61 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_tuple.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/target_tuple.rs @@ -5,7 +5,9 @@ use anyhow::Context; use rustc_hash::FxHashMap; use toolchain::Tool; -use crate::{ManifestPath, Sysroot, toolchain_info::QueryConfig, utf8_stdout}; +use crate::{ + Sysroot, cargo_config_file::CargoConfigFile, toolchain_info::QueryConfig, utf8_stdout, +}; /// For cargo, runs `cargo -Zunstable-options config get build.target` to get the configured project target(s). /// For rustc, runs `rustc --print -vV` to get the host target. @@ -20,8 +22,8 @@ pub fn get( } let (sysroot, current_dir) = match config { - QueryConfig::Cargo(sysroot, cargo_toml) => { - match cargo_config_build_target(cargo_toml, extra_env, sysroot) { + QueryConfig::Cargo(sysroot, cargo_toml, config_file) => { + match config_file.as_ref().and_then(cargo_config_build_target) { Some(it) => return Ok(it), None => (sysroot, cargo_toml.parent().as_ref()), } @@ -50,30 +52,30 @@ fn rustc_discover_host_tuple( } } -fn cargo_config_build_target( - cargo_toml: &ManifestPath, - extra_env: &FxHashMap<String, Option<String>>, - sysroot: &Sysroot, -) -> Option<Vec<String>> { - let mut cmd = sysroot.tool(Tool::Cargo, cargo_toml.parent(), extra_env); - cmd.current_dir(cargo_toml.parent()).env("RUSTC_BOOTSTRAP", "1"); - cmd.args(["-Z", "unstable-options", "config", "get", "build.target"]); - // if successful we receive `build.target = "target-tuple"` - // or `build.target = ["<target 1>", ..]` - // this might be `error: config value `build.target` is not set` in which case we - // don't wanna log the error - utf8_stdout(&mut cmd).and_then(parse_output_cargo_config_build_target).ok() +fn cargo_config_build_target(config: &CargoConfigFile) -> Option<Vec<String>> { + match parse_json_cargo_config_build_target(config) { + Ok(v) => v, + Err(e) => { + tracing::debug!("Failed to discover cargo config build target {e:?}"); + None + } + } } // Parses `"build.target = [target-tuple, target-tuple, ...]"` or `"build.target = "target-tuple"` -fn parse_output_cargo_config_build_target(stdout: String) -> anyhow::Result<Vec<String>> { - let trimmed = stdout.trim_start_matches("build.target = ").trim_matches('"'); - - if !trimmed.starts_with('[') { - return Ok([trimmed.to_owned()].to_vec()); +fn parse_json_cargo_config_build_target( + config: &CargoConfigFile, +) -> anyhow::Result<Option<Vec<String>>> { + let target = config.get("build").and_then(|v| v.as_object()).and_then(|m| m.get("target")); + match target { + Some(serde_json::Value::String(s)) => Ok(Some(vec![s.to_owned()])), + Some(v) => serde_json::from_value(v.clone()) + .map(Option::Some) + .context("Failed to parse `build.target` as an array of target"), + // t`error: config value `build.target` is not set`, in which case we + // don't wanna log the error + None => Ok(None), } - - serde_json::from_str(trimmed).context("Failed to parse `build.target` as an array of target") } #[cfg(test)] @@ -90,7 +92,7 @@ mod tests { let sysroot = Sysroot::empty(); let manifest_path = ManifestPath::try_from(AbsPathBuf::assert(Utf8PathBuf::from(manifest_path))).unwrap(); - let cfg = QueryConfig::Cargo(&sysroot, &manifest_path); + let cfg = QueryConfig::Cargo(&sysroot, &manifest_path, &None); assert!(get(cfg, None, &FxHashMap::default()).is_ok()); } diff --git a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/version.rs b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/version.rs index 91ba8598591..357053d8e82 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/version.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/toolchain_info/version.rs @@ -12,7 +12,7 @@ pub(crate) fn get( extra_env: &FxHashMap<String, Option<String>>, ) -> Result<Option<Version>, anyhow::Error> { let (mut cmd, prefix) = match config { - QueryConfig::Cargo(sysroot, cargo_toml) => { + QueryConfig::Cargo(sysroot, cargo_toml, _) => { (sysroot.tool(Tool::Cargo, cargo_toml.parent(), extra_env), "cargo ") } QueryConfig::Rustc(sysroot, current_dir) => { @@ -44,7 +44,7 @@ mod tests { let sysroot = Sysroot::empty(); let manifest_path = ManifestPath::try_from(AbsPathBuf::assert(Utf8PathBuf::from(manifest_path))).unwrap(); - let cfg = QueryConfig::Cargo(&sysroot, &manifest_path); + let cfg = QueryConfig::Cargo(&sysroot, &manifest_path, &None); assert!(get(cfg, &FxHashMap::default()).is_ok()); } diff --git a/src/tools/rust-analyzer/crates/project-model/src/workspace.rs b/src/tools/rust-analyzer/crates/project-model/src/workspace.rs index 43db84b4fa3..677f29e3c60 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/workspace.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/workspace.rs @@ -25,11 +25,9 @@ use crate::{ ProjectJson, ProjectManifest, RustSourceWorkspaceConfig, Sysroot, TargetData, TargetKind, WorkspaceBuildScripts, build_dependencies::BuildScriptOutput, - cargo_workspace::{CargoMetadataConfig, DepKind, PackageData, RustLibSource}, - env::{ - cargo_config_build_target_dir, cargo_config_env, inject_cargo_env, - inject_cargo_package_env, inject_rustc_tool_env, - }, + cargo_config_file, + cargo_workspace::{CargoMetadataConfig, DepKind, FetchMetadata, PackageData, RustLibSource}, + env::{cargo_config_env, inject_cargo_env, inject_cargo_package_env, inject_rustc_tool_env}, project_json::{Crate, CrateArrayIdx}, sysroot::RustLibSrcWorkspace, toolchain_info::{QueryConfig, rustc_cfg, target_data_layout, target_tuple, version}, @@ -270,7 +268,9 @@ impl ProjectWorkspace { tracing::info!(workspace = %cargo_toml, src_root = ?sysroot.rust_lib_src_root(), root = ?sysroot.root(), "Using sysroot"); progress("querying project metadata".to_owned()); - let toolchain_config = QueryConfig::Cargo(&sysroot, cargo_toml); + let config_file = cargo_config_file::read(cargo_toml, extra_env, &sysroot); + let config_file_ = config_file.clone(); + let toolchain_config = QueryConfig::Cargo(&sysroot, cargo_toml, &config_file_); let targets = target_tuple::get(toolchain_config, target.as_deref(), extra_env).unwrap_or_default(); let toolchain = version::get(toolchain_config, extra_env) @@ -282,10 +282,24 @@ impl ProjectWorkspace { .ok() .flatten(); + let fetch_metadata = FetchMetadata::new( + cargo_toml, + workspace_dir, + &CargoMetadataConfig { + features: features.clone(), + targets: targets.clone(), + extra_args: extra_args.clone(), + extra_env: extra_env.clone(), + toolchain_version: toolchain.clone(), + kind: "workspace", + }, + &sysroot, + *no_deps, + ); let target_dir = config .target_dir .clone() - .or_else(|| cargo_config_build_target_dir(cargo_toml, extra_env, &sysroot)) + .or_else(|| fetch_metadata.no_deps_metadata().map(|m| m.target_directory.clone())) .unwrap_or_else(|| workspace_dir.join("target").into()); // We spawn a bunch of processes to query various information about the workspace's @@ -319,7 +333,7 @@ impl ProjectWorkspace { }; rustc_dir.and_then(|rustc_dir| { info!(workspace = %cargo_toml, rustc_dir = %rustc_dir, "Using rustc source"); - match CargoWorkspace::fetch_metadata( + match FetchMetadata::new( &rustc_dir, workspace_dir, &CargoMetadataConfig { @@ -327,15 +341,12 @@ impl ProjectWorkspace { targets: targets.clone(), extra_args: extra_args.clone(), extra_env: extra_env.clone(), - target_dir: target_dir.clone(), toolchain_version: toolchain.clone(), kind: "rustc-dev" }, &sysroot, *no_deps, - true, - progress, - ) { + ).exec(&target_dir, true, progress) { Ok((meta, _error)) => { let workspace = CargoWorkspace::new( meta, @@ -364,40 +375,22 @@ impl ProjectWorkspace { }) }); - let cargo_metadata = s.spawn(|| { - CargoWorkspace::fetch_metadata( - cargo_toml, - workspace_dir, - &CargoMetadataConfig { - features: features.clone(), - targets: targets.clone(), - extra_args: extra_args.clone(), - extra_env: extra_env.clone(), - target_dir: target_dir.clone(), - toolchain_version: toolchain.clone(), - kind: "workspace", - }, - &sysroot, - *no_deps, - false, - progress, - ) - }); + let cargo_metadata = s.spawn(|| fetch_metadata.exec(&target_dir, false, progress)); let loaded_sysroot = s.spawn(|| { sysroot.load_workspace( &RustSourceWorkspaceConfig::CargoMetadata(sysroot_metadata_config( config, &targets, toolchain.clone(), - target_dir.clone(), )), config.no_deps, workspace_dir, + &target_dir, progress, ) }); let cargo_config_extra_env = - s.spawn(|| cargo_config_env(cargo_toml, extra_env, &sysroot)); + s.spawn(move || cargo_config_env(cargo_toml, &config_file)); thread::Result::Ok(( rustc_cfg.join()?, data_layout.join()?, @@ -476,9 +469,7 @@ impl ProjectWorkspace { let target_dir = config .target_dir .clone() - .or_else(|| { - cargo_config_build_target_dir(project_json.manifest()?, &config.extra_env, &sysroot) - }) + .or_else(|| cargo_target_dir(project_json.manifest()?, &config.extra_env, &sysroot)) .unwrap_or_else(|| project_root.join("target").into()); // We spawn a bunch of processes to query various information about the workspace's @@ -502,6 +493,7 @@ impl ProjectWorkspace { &RustSourceWorkspaceConfig::Json(*sysroot_project), config.no_deps, project_root, + &target_dir, progress, ) } else { @@ -510,10 +502,10 @@ impl ProjectWorkspace { config, &targets, toolchain.clone(), - target_dir, )), config.no_deps, project_root, + &target_dir, progress, ) } @@ -554,7 +546,8 @@ impl ProjectWorkspace { None => Sysroot::empty(), }; - let query_config = QueryConfig::Cargo(&sysroot, detached_file); + let config_file = cargo_config_file::read(detached_file, &config.extra_env, &sysroot); + let query_config = QueryConfig::Cargo(&sysroot, detached_file, &config_file); let toolchain = version::get(query_config, &config.extra_env).ok().flatten(); let targets = target_tuple::get(query_config, config.target.as_deref(), &config.extra_env) .unwrap_or_default(); @@ -563,7 +556,7 @@ impl ProjectWorkspace { let target_dir = config .target_dir .clone() - .or_else(|| cargo_config_build_target_dir(detached_file, &config.extra_env, &sysroot)) + .or_else(|| cargo_target_dir(detached_file, &config.extra_env, &sysroot)) .unwrap_or_else(|| dir.join("target").into()); let loaded_sysroot = sysroot.load_workspace( @@ -571,17 +564,17 @@ impl ProjectWorkspace { config, &targets, toolchain.clone(), - target_dir.clone(), )), config.no_deps, dir, + &target_dir, &|_| (), ); if let Some(loaded_sysroot) = loaded_sysroot { sysroot.set_workspace(loaded_sysroot); } - let cargo_script = CargoWorkspace::fetch_metadata( + let fetch_metadata = FetchMetadata::new( detached_file, dir, &CargoMetadataConfig { @@ -589,25 +582,26 @@ impl ProjectWorkspace { targets, extra_args: config.extra_args.clone(), extra_env: config.extra_env.clone(), - target_dir, toolchain_version: toolchain.clone(), kind: "detached-file", }, &sysroot, config.no_deps, - false, - &|_| (), - ) - .ok() - .map(|(ws, error)| { - let cargo_config_extra_env = - cargo_config_env(detached_file, &config.extra_env, &sysroot); - ( - CargoWorkspace::new(ws, detached_file.clone(), cargo_config_extra_env, false), - WorkspaceBuildScripts::default(), - error.map(Arc::new), - ) - }); + ); + let target_dir = config + .target_dir + .clone() + .or_else(|| fetch_metadata.no_deps_metadata().map(|m| m.target_directory.clone())) + .unwrap_or_else(|| dir.join("target").into()); + let cargo_script = + fetch_metadata.exec(&target_dir, false, &|_| ()).ok().map(|(ws, error)| { + let cargo_config_extra_env = cargo_config_env(detached_file, &config_file); + ( + CargoWorkspace::new(ws, detached_file.clone(), cargo_config_extra_env, false), + WorkspaceBuildScripts::default(), + error.map(Arc::new), + ) + }); Ok(ProjectWorkspace { kind: ProjectWorkspaceKind::DetachedFile { @@ -1889,15 +1883,33 @@ fn sysroot_metadata_config( config: &CargoConfig, targets: &[String], toolchain_version: Option<Version>, - target_dir: Utf8PathBuf, ) -> CargoMetadataConfig { CargoMetadataConfig { features: Default::default(), targets: targets.to_vec(), extra_args: Default::default(), extra_env: config.extra_env.clone(), - target_dir, toolchain_version, kind: "sysroot", } } + +fn cargo_target_dir( + manifest: &ManifestPath, + extra_env: &FxHashMap<String, Option<String>>, + sysroot: &Sysroot, +) -> Option<Utf8PathBuf> { + let cargo = sysroot.tool(Tool::Cargo, manifest.parent(), extra_env); + let mut meta = cargo_metadata::MetadataCommand::new(); + meta.cargo_path(cargo.get_program()); + meta.manifest_path(manifest); + // `--no-deps` doesn't (over)write lockfiles as it doesn't do any package resolve. + // So we can use it to get `target_directory` before copying lockfiles + let mut other_options = vec!["--no-deps".to_owned()]; + if manifest.is_rust_manifest() { + meta.env("RUSTC_BOOTSTRAP", "1"); + other_options.push("-Zscript".to_owned()); + } + meta.other_options(other_options); + meta.exec().map(|m| m.target_directory).ok() +} diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs index 0ee01982fea..fc89f486f84 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs @@ -796,7 +796,7 @@ impl flags::AnalysisStats { // region:expressions let (previous_exprs, previous_unknown, previous_partially_unknown) = (num_exprs, num_exprs_unknown, num_exprs_partially_unknown); - for (expr_id, _) in body.exprs.iter() { + for (expr_id, _) in body.exprs() { let ty = &inference_result[expr_id]; num_exprs += 1; let unknown_or_partial = if ty.is_unknown() { @@ -901,7 +901,7 @@ impl flags::AnalysisStats { // region:patterns let (previous_pats, previous_unknown, previous_partially_unknown) = (num_pats, num_pats_unknown, num_pats_partially_unknown); - for (pat_id, _) in body.pats.iter() { + for (pat_id, _) in body.pats() { let ty = &inference_result[pat_id]; num_pats += 1; let unknown_or_partial = if ty.is_unknown() { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/rustc_tests.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/rustc_tests.rs index f97bf832442..30ac93fb6f8 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/rustc_tests.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/rustc_tests.rs @@ -9,6 +9,7 @@ use hir::{ChangeWithProcMacros, Crate}; use ide::{AnalysisHost, DiagnosticCode, DiagnosticsConfig}; use ide_db::base_db; use itertools::Either; +use paths::Utf8PathBuf; use profile::StopWatch; use project_model::toolchain_info::{QueryConfig, target_data_layout}; use project_model::{ @@ -79,6 +80,7 @@ impl Tester { &RustSourceWorkspaceConfig::default_cargo(), false, &path, + &Utf8PathBuf::default(), &|_| (), ); if let Some(loaded_sysroot) = loaded_sysroot { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs index 8a848fb848c..292be1d5315 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp/to_proto.rs @@ -911,7 +911,8 @@ pub(crate) fn folding_range( | FoldKind::Array | FoldKind::TraitAliases | FoldKind::ExternCrates - | FoldKind::MatchArm => None, + | FoldKind::MatchArm + | FoldKind::Function => None, }; let range = range(line_index, fold.range); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs index 59073af983b..1b940c70da6 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/main.rs @@ -880,7 +880,8 @@ fn main() {{}} #[test] fn diagnostics_dont_block_typing() { - if skip_slow_tests() { + if skip_slow_tests() || std::env::var("CI").is_ok() { + // FIXME: This test is failing too frequently (therefore we disable it on CI). return; } diff --git a/src/tools/rust-analyzer/crates/span/src/ast_id.rs b/src/tools/rust-analyzer/crates/span/src/ast_id.rs index 121d2e33243..a9288ecd6fa 100644 --- a/src/tools/rust-analyzer/crates/span/src/ast_id.rs +++ b/src/tools/rust-analyzer/crates/span/src/ast_id.rs @@ -92,6 +92,7 @@ impl fmt::Debug for ErasedFileAstId { Use, Impl, BlockExpr, + AsmExpr, Fixup, ); if f.alternate() { @@ -144,6 +145,10 @@ enum ErasedFileAstIdKind { Impl, /// Associated with [`BlockExprFileAstId`]. BlockExpr, + // `global_asm!()` is an item, so we need to give it an `AstId`. So we give to all inline asm + // because incrementality is not a problem, they will always be the only item in the macro file, + // and memory usage also not because they're rare. + AsmExpr, /// Keep this last. Root, } @@ -204,14 +209,17 @@ impl ErasedFileAstId { .or_else(|| extern_block_ast_id(node, index_map)) .or_else(|| use_ast_id(node, index_map)) .or_else(|| impl_ast_id(node, index_map)) + .or_else(|| asm_expr_ast_id(node, index_map)) } fn should_alloc(node: &SyntaxNode) -> bool { - should_alloc_has_name(node) - || should_alloc_assoc_item(node) - || ast::ExternBlock::can_cast(node.kind()) - || ast::Use::can_cast(node.kind()) - || ast::Impl::can_cast(node.kind()) + let kind = node.kind(); + should_alloc_has_name(kind) + || should_alloc_assoc_item(kind) + || ast::ExternBlock::can_cast(kind) + || ast::Use::can_cast(kind) + || ast::Impl::can_cast(kind) + || ast::AsmExpr::can_cast(kind) } #[inline] @@ -278,7 +286,6 @@ impl<N> FileAstId<N> { #[derive(Hash)] struct ErasedHasNameFileAstId<'a> { - kind: SyntaxKind, name: &'a str, } @@ -332,6 +339,19 @@ fn use_ast_id( } } +impl AstIdNode for ast::AsmExpr {} + +fn asm_expr_ast_id( + node: &SyntaxNode, + index_map: &mut ErasedAstIdNextIndexMap, +) -> Option<ErasedFileAstId> { + if ast::AsmExpr::can_cast(node.kind()) { + Some(index_map.new_id(ErasedFileAstIdKind::AsmExpr, ())) + } else { + None + } +} + impl AstIdNode for ast::Impl {} fn impl_ast_id( @@ -433,7 +453,6 @@ macro_rules! register_has_name_ast_id { )+ fn has_name_ast_id(node: &SyntaxNode, index_map: &mut ErasedAstIdNextIndexMap) -> Option<ErasedFileAstId> { - let kind = node.kind(); match_ast! { match node { $( @@ -441,7 +460,6 @@ macro_rules! register_has_name_ast_id { let name = node.$name_method(); let name = name.as_ref().map_or("", |it| it.text_non_mutable()); let result = ErasedHasNameFileAstId { - kind, name, }; Some(index_map.new_id(ErasedFileAstIdKind::$ident, result)) @@ -452,8 +470,7 @@ macro_rules! register_has_name_ast_id { } } - fn should_alloc_has_name(node: &SyntaxNode) -> bool { - let kind = node.kind(); + fn should_alloc_has_name(kind: SyntaxKind) -> bool { false $( || ast::$ident::can_cast(kind) )* } }; @@ -483,7 +500,6 @@ macro_rules! register_assoc_item_ast_id { index_map: &mut ErasedAstIdNextIndexMap, parent: Option<&ErasedFileAstId>, ) -> Option<ErasedFileAstId> { - let kind = node.kind(); match_ast! { match node { $( @@ -491,7 +507,6 @@ macro_rules! register_assoc_item_ast_id { let name = $name_callback(node); let name = name.as_ref().map_or("", |it| it.text_non_mutable()); let properties = ErasedHasNameFileAstId { - kind, name, }; let result = ErasedAssocItemFileAstId { @@ -506,8 +521,7 @@ macro_rules! register_assoc_item_ast_id { } } - fn should_alloc_assoc_item(node: &SyntaxNode) -> bool { - let kind = node.kind(); + fn should_alloc_assoc_item(kind: SyntaxKind) -> bool { false $( || ast::$ident::can_cast(kind) )* } }; diff --git a/src/tools/rust-analyzer/crates/syntax/rust.ungram b/src/tools/rust-analyzer/crates/syntax/rust.ungram index 3f439472337..4cbc88cfb5e 100644 --- a/src/tools/rust-analyzer/crates/syntax/rust.ungram +++ b/src/tools/rust-analyzer/crates/syntax/rust.ungram @@ -158,6 +158,7 @@ Item = | TypeAlias | Union | Use +| AsmExpr MacroRules = Attr* Visibility? @@ -409,7 +410,8 @@ OffsetOfExpr = // global_asm := "global_asm!(" format_string *("," format_string) *("," operand) [","] ")" // format_string := STRING_LITERAL / RAW_STRING_LITERAL AsmExpr = - Attr* 'builtin' '#' 'asm' '(' template:(Expr (',' Expr)*) (AsmPiece (',' AsmPiece)*)? ','? ')' + Attr* 'builtin' '#' ( 'asm' | 'global_asm' | 'naked_asm' ) + '(' template:(Expr (',' Expr)*) (AsmPiece (',' AsmPiece)*)? ','? ')' // operand_expr := expr / "_" / expr "=>" expr / expr "=>" "_" AsmOperandExpr = in_expr:Expr ('=>' out_expr:Expr)? diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs index e60243f2c91..e902516471d 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/edit_in_place.rs @@ -406,42 +406,6 @@ impl ast::WhereClause { } } -impl ast::TypeParam { - pub fn remove_default(&self) { - if let Some((eq, last)) = self - .syntax() - .children_with_tokens() - .find(|it| it.kind() == T![=]) - .zip(self.syntax().last_child_or_token()) - { - ted::remove_all(eq..=last); - - // remove any trailing ws - if let Some(last) = self.syntax().last_token().filter(|it| it.kind() == WHITESPACE) { - last.detach(); - } - } - } -} - -impl ast::ConstParam { - pub fn remove_default(&self) { - if let Some((eq, last)) = self - .syntax() - .children_with_tokens() - .find(|it| it.kind() == T![=]) - .zip(self.syntax().last_child_or_token()) - { - ted::remove_all(eq..=last); - - // remove any trailing ws - if let Some(last) = self.syntax().last_token().filter(|it| it.kind() == WHITESPACE) { - last.detach(); - } - } - } -} - pub trait Removable: AstNode { fn remove(&self); } diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs index 79a9f4da338..2b862465420 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs @@ -118,6 +118,14 @@ impl AsmExpr { pub fn asm_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![asm]) } #[inline] pub fn builtin_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![builtin]) } + #[inline] + pub fn global_asm_token(&self) -> Option<SyntaxToken> { + support::token(&self.syntax, T![global_asm]) + } + #[inline] + pub fn naked_asm_token(&self) -> Option<SyntaxToken> { + support::token(&self.syntax, T![naked_asm]) + } } pub struct AsmLabel { pub(crate) syntax: SyntaxNode, @@ -2087,6 +2095,7 @@ impl ast::HasAttrs for GenericParam {} #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub enum Item { + AsmExpr(AsmExpr), Const(Const), Enum(Enum), ExternBlock(ExternBlock), @@ -2106,7 +2115,6 @@ pub enum Item { Use(Use), } impl ast::HasAttrs for Item {} -impl ast::HasDocComments for Item {} #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub enum Pat { @@ -8409,6 +8417,10 @@ impl AstNode for GenericParam { } } } +impl From<AsmExpr> for Item { + #[inline] + fn from(node: AsmExpr) -> Item { Item::AsmExpr(node) } +} impl From<Const> for Item { #[inline] fn from(node: Const) -> Item { Item::Const(node) } @@ -8482,7 +8494,8 @@ impl AstNode for Item { fn can_cast(kind: SyntaxKind) -> bool { matches!( kind, - CONST + ASM_EXPR + | CONST | ENUM | EXTERN_BLOCK | EXTERN_CRATE @@ -8504,6 +8517,7 @@ impl AstNode for Item { #[inline] fn cast(syntax: SyntaxNode) -> Option<Self> { let res = match syntax.kind() { + ASM_EXPR => Item::AsmExpr(AsmExpr { syntax }), CONST => Item::Const(Const { syntax }), ENUM => Item::Enum(Enum { syntax }), EXTERN_BLOCK => Item::ExternBlock(ExternBlock { syntax }), @@ -8528,6 +8542,7 @@ impl AstNode for Item { #[inline] fn syntax(&self) -> &SyntaxNode { match self { + Item::AsmExpr(it) => &it.syntax, Item::Const(it) => &it.syntax, Item::Enum(it) => &it.syntax, Item::ExternBlock(it) => &it.syntax, diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs index 309332873cb..d67f24fda96 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs @@ -680,7 +680,7 @@ pub fn expr_tuple(elements: impl IntoIterator<Item = ast::Expr>) -> ast::TupleEx let expr = elements.into_iter().format(", "); expr_from_text(&format!("({expr})")) } -pub fn expr_assignment(lhs: ast::Expr, rhs: ast::Expr) -> ast::Expr { +pub fn expr_assignment(lhs: ast::Expr, rhs: ast::Expr) -> ast::BinExpr { expr_from_text(&format!("{lhs} = {rhs}")) } fn expr_from_text<E: Into<ast::Expr> + AstNode>(text: &str) -> E { diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs index 17cc5f9c057..1ba61073151 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/syntax_factory/constructors.rs @@ -440,6 +440,19 @@ impl SyntaxFactory { ast } + pub fn expr_assignment(&self, lhs: ast::Expr, rhs: ast::Expr) -> ast::BinExpr { + let ast = make::expr_assignment(lhs.clone(), rhs.clone()).clone_for_update(); + + if let Some(mut mapping) = self.mappings() { + let mut builder = SyntaxMappingBuilder::new(ast.syntax().clone()); + builder.map_node(lhs.syntax().clone(), ast.lhs().unwrap().syntax().clone()); + builder.map_node(rhs.syntax().clone(), ast.rhs().unwrap().syntax().clone()); + builder.finish(&mut mapping); + } + + ast + } + pub fn expr_bin(&self, lhs: ast::Expr, op: ast::BinaryOp, rhs: ast::Expr) -> ast::BinExpr { let ast::Expr::BinExpr(ast) = make::expr_bin_op(lhs.clone(), op, rhs.clone()).clone_for_update() diff --git a/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs b/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs index e5d8f78d948..7b719b5dec7 100644 --- a/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs +++ b/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs @@ -1940,6 +1940,7 @@ pub mod prelude { clone::Clone, // :clone cmp::{Eq, PartialEq}, // :eq cmp::{Ord, PartialOrd}, // :ord + convert::AsMut, // :as_mut convert::AsRef, // :as_ref convert::{From, Into, TryFrom, TryInto}, // :from default::Default, // :default diff --git a/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml b/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml index 35a5a4d82b2..1fc1da50a0a 100644 --- a/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml +++ b/src/tools/rust-analyzer/lib/lsp-server/Cargo.toml @@ -16,6 +16,9 @@ crossbeam-channel.workspace = true [dev-dependencies] lsp-types = "=0.95" ctrlc = "3.4.7" +anyhow.workspace = true +rustc-hash.workspace = true +toolchain.workspace = true [lints] workspace = true diff --git a/src/tools/rust-analyzer/lib/lsp-server/examples/goto_def.rs b/src/tools/rust-analyzer/lib/lsp-server/examples/goto_def.rs deleted file mode 100644 index 6b3acda7bcd..00000000000 --- a/src/tools/rust-analyzer/lib/lsp-server/examples/goto_def.rs +++ /dev/null @@ -1,132 +0,0 @@ -//! A minimal example LSP server that can only respond to the `gotoDefinition` request. To use -//! this example, execute it and then send an `initialize` request. -//! -//! ```no_run -//! Content-Length: 85 -//! -//! {"jsonrpc": "2.0", "method": "initialize", "id": 1, "params": {"capabilities": {}}} -//! ``` -//! -//! This will respond with a server response. Then send it a `initialized` notification which will -//! have no response. -//! -//! ```no_run -//! Content-Length: 59 -//! -//! {"jsonrpc": "2.0", "method": "initialized", "params": {}} -//! ``` -//! -//! Once these two are sent, then we enter the main loop of the server. The only request this -//! example can handle is `gotoDefinition`: -//! -//! ```no_run -//! Content-Length: 159 -//! -//! {"jsonrpc": "2.0", "method": "textDocument/definition", "id": 2, "params": {"textDocument": {"uri": "file://temp"}, "position": {"line": 1, "character": 1}}} -//! ``` -//! -//! To finish up without errors, send a shutdown request: -//! -//! ```no_run -//! Content-Length: 67 -//! -//! {"jsonrpc": "2.0", "method": "shutdown", "id": 3, "params": null} -//! ``` -//! -//! The server will exit the main loop and finally we send a `shutdown` notification to stop -//! the server. -//! -//! ``` -//! Content-Length: 54 -//! -//! {"jsonrpc": "2.0", "method": "exit", "params": null} -//! ``` - -#![allow(clippy::print_stderr)] - -use std::error::Error; - -use lsp_types::OneOf; -use lsp_types::{ - GotoDefinitionResponse, InitializeParams, ServerCapabilities, request::GotoDefinition, -}; - -use lsp_server::{Connection, ExtractError, Message, Request, RequestId, Response}; - -fn main() -> Result<(), Box<dyn Error + Sync + Send>> { - // Note that we must have our logging only write out to stderr. - eprintln!("starting generic LSP server"); - - // Create the transport. Includes the stdio (stdin and stdout) versions but this could - // also be implemented to use sockets or HTTP. - let (connection, io_threads) = Connection::stdio(); - - // Run the server and wait for the two threads to end (typically by trigger LSP Exit event). - let server_capabilities = serde_json::to_value(&ServerCapabilities { - definition_provider: Some(OneOf::Left(true)), - ..Default::default() - }) - .unwrap(); - let initialization_params = match connection.initialize(server_capabilities) { - Ok(it) => it, - Err(e) => { - if e.channel_is_disconnected() { - io_threads.join()?; - } - return Err(e.into()); - } - }; - main_loop(connection, initialization_params)?; - io_threads.join()?; - - // Shut down gracefully. - eprintln!("shutting down server"); - Ok(()) -} - -fn main_loop( - connection: Connection, - params: serde_json::Value, -) -> Result<(), Box<dyn Error + Sync + Send>> { - let _params: InitializeParams = serde_json::from_value(params).unwrap(); - eprintln!("starting example main loop"); - for msg in &connection.receiver { - eprintln!("got msg: {msg:?}"); - match msg { - Message::Request(req) => { - if connection.handle_shutdown(&req)? { - return Ok(()); - } - eprintln!("got request: {req:?}"); - match cast::<GotoDefinition>(req) { - Ok((id, params)) => { - eprintln!("got gotoDefinition request #{id}: {params:?}"); - let result = Some(GotoDefinitionResponse::Array(Vec::new())); - let result = serde_json::to_value(&result).unwrap(); - let resp = Response { id, result: Some(result), error: None }; - connection.sender.send(Message::Response(resp))?; - continue; - } - Err(err @ ExtractError::JsonError { .. }) => panic!("{err:?}"), - Err(ExtractError::MethodMismatch(req)) => req, - }; - // ... - } - Message::Response(resp) => { - eprintln!("got response: {resp:?}"); - } - Message::Notification(not) => { - eprintln!("got notification: {not:?}"); - } - } - } - Ok(()) -} - -fn cast<R>(req: Request) -> Result<(RequestId, R::Params), ExtractError<Request>> -where - R: lsp_types::request::Request, - R::Params: serde::de::DeserializeOwned, -{ - req.extract(R::METHOD) -} diff --git a/src/tools/rust-analyzer/lib/lsp-server/examples/manual_test.sh b/src/tools/rust-analyzer/lib/lsp-server/examples/manual_test.sh new file mode 100755 index 00000000000..d028ac43301 --- /dev/null +++ b/src/tools/rust-analyzer/lib/lsp-server/examples/manual_test.sh @@ -0,0 +1,53 @@ +#!/usr/bin/env bash +# Simple nine-packet LSP test for examples/minimal_lsp.rs +# Usage (two tabs): +# +# mkfifo /tmp/lsp_pipe # one-time setup +# # tab 1 – run the server +# cat /tmp/lsp_pipe | cargo run --example minimal_lsp +# +# # tab 2 – fire the packets (this script) +# bash examples/manual_test.sh # blocks until server exits +# +# If you don’t use a second tab, run the script in the background: +# +# bash examples/manual_test.sh & # writer in background +# cat /tmp/lsp_pipe | cargo run --example minimal_lsp +# +# The script opens /tmp/lsp_pipe for writing (exec 3>) and sends each JSON +# packet with a correct Content-Length header. +# +# One-liner alternative (single terminal, no FIFO): +# +# cargo run --example minimal_lsp <<'EOF' +# … nine packets … +# EOF +# +# Both approaches feed identical bytes to minimal_lsp via stdin. + +set -eu +PIPE=${1:-/tmp/lsp_pipe} + +mkfifo -m 600 "$PIPE" 2>/dev/null || true # create once, ignore if exists + +# open write end so the fifo stays open +exec 3> "$PIPE" + +send() { + local body=$1 + local len=$(printf '%s' "$body" | wc -c) + printf 'Content-Length: %d\r\n\r\n%s' "$len" "$body" >&3 +} + +send '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"capabilities":{}}}' +send '{"jsonrpc":"2.0","method":"initialized","params":{}}' +send '{"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///tmp/foo.rs","languageId":"rust","version":1,"text":"fn main( ){println!(\"hi\") }"}}}' +send '{"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"position":{"line":0,"character":0}}}' +send '{"jsonrpc":"2.0","id":3,"method":"textDocument/hover","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"position":{"line":0,"character":0}}}' +send '{"jsonrpc":"2.0","id":4,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"position":{"line":0,"character":0}}}' +send '{"jsonrpc":"2.0","id":5,"method":"textDocument/formatting","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"options":{"tabSize":4,"insertSpaces":true}}}' +send '{"jsonrpc":"2.0","id":6,"method":"shutdown","params":null}' +send '{"jsonrpc":"2.0","method":"exit","params":null}' + +exec 3>&- +echo "Packets sent – watch the other terminal for responses." diff --git a/src/tools/rust-analyzer/lib/lsp-server/examples/minimal_lsp.rs b/src/tools/rust-analyzer/lib/lsp-server/examples/minimal_lsp.rs new file mode 100644 index 00000000000..5eef999e062 --- /dev/null +++ b/src/tools/rust-analyzer/lib/lsp-server/examples/minimal_lsp.rs @@ -0,0 +1,335 @@ +//! Minimal Language‑Server‑Protocol example: **`minimal_lsp.rs`** +//! ============================================================= +//! +//! | ↔ / ← | LSP method | What the implementation does | +//! |-------|------------|------------------------------| +//! | ↔ | `initialize` / `initialized` | capability handshake | +//! | ← | `textDocument/publishDiagnostics` | pushes a dummy info diagnostic whenever the buffer changes | +//! | ← | `textDocument/definition` | echoes an empty location array so the jump works | +//! | ← | `textDocument/completion` | offers one hard‑coded item `HelloFromLSP` | +//! | ← | `textDocument/hover` | shows *Hello from minimal_lsp* markdown | +//! | ← | `textDocument/formatting` | pipes the doc through **rustfmt** and returns a full‑file edit | +//! +//! ### Quick start +//! ```bash +//! cd rust-analyzer/lib/lsp-server +//! cargo run --example minimal_lsp +//! ``` +//! +//! ### Minimal manual session (all nine packets) +//! ```no_run +//! # 1. initialize - server replies with capabilities +//! Content-Length: 85 + +//! {"jsonrpc":"2.0","id":1,"method":"initialize","params":{"capabilities":{}}} +//! +//! # 2. initialized - no response expected +//! Content-Length: 59 + +//! {"jsonrpc":"2.0","method":"initialized","params":{}} +//! +//! # 3. didOpen - provide initial buffer text +//! Content-Length: 173 + +//! {"jsonrpc":"2.0","method":"textDocument/didOpen","params":{"textDocument":{"uri":"file:///tmp/foo.rs","languageId":"rust","version":1,"text":"fn main( ){println!(\"hi\") }"}}} +//! +//! # 4. completion - expect HelloFromLSP +//! Content-Length: 139 + +//! {"jsonrpc":"2.0","id":2,"method":"textDocument/completion","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"position":{"line":0,"character":0}}} +//! +//! # 5. hover - expect markdown greeting +//! Content-Length: 135 + +//! {"jsonrpc":"2.0","id":3,"method":"textDocument/hover","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"position":{"line":0,"character":0}}} +//! +//! # 6. goto-definition - dummy empty array +//! Content-Length: 139 + +//! {"jsonrpc":"2.0","id":4,"method":"textDocument/definition","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"position":{"line":0,"character":0}}} +//! +//! # 7. formatting - rustfmt full document +//! Content-Length: 157 + +//! {"jsonrpc":"2.0","id":5,"method":"textDocument/formatting","params":{"textDocument":{"uri":"file:///tmp/foo.rs"},"options":{"tabSize":4,"insertSpaces":true}}} +//! +//! # 8. shutdown request - server acks and prepares to exit +//! Content-Length: 67 + +//! {"jsonrpc":"2.0","id":6,"method":"shutdown","params":null} +//! +//! # 9. exit notification - terminates the server +//! Content-Length: 54 + +//! {"jsonrpc":"2.0","method":"exit","params":null} +//! ``` +//! + +use std::{error::Error, io::Write}; + +use rustc_hash::FxHashMap; // fast hash map +use std::process::Stdio; +use toolchain::command; // clippy-approved wrapper + +#[allow(clippy::print_stderr, clippy::disallowed_types, clippy::disallowed_methods)] +use anyhow::{Context, Result, anyhow, bail}; +use lsp_server::{Connection, Message, Request as ServerRequest, RequestId, Response}; +use lsp_types::notification::Notification as _; // for METHOD consts +use lsp_types::request::Request as _; +use lsp_types::{ + CompletionItem, + CompletionItemKind, + // capability helpers + CompletionOptions, + CompletionResponse, + Diagnostic, + DiagnosticSeverity, + DidChangeTextDocumentParams, + DidOpenTextDocumentParams, + DocumentFormattingParams, + Hover, + HoverContents, + HoverProviderCapability, + // core + InitializeParams, + MarkedString, + OneOf, + Position, + PublishDiagnosticsParams, + Range, + ServerCapabilities, + TextDocumentSyncCapability, + TextDocumentSyncKind, + TextEdit, + Url, + // notifications + notification::{DidChangeTextDocument, DidOpenTextDocument, PublishDiagnostics}, + // requests + request::{Completion, Formatting, GotoDefinition, HoverRequest}, +}; // for METHOD consts + +// ===================================================================== +// main +// ===================================================================== + +#[allow(clippy::print_stderr)] +fn main() -> std::result::Result<(), Box<dyn Error + Sync + Send>> { + log::error!("starting minimal_lsp"); + + // transport + let (connection, io_thread) = Connection::stdio(); + + // advertised capabilities + let caps = ServerCapabilities { + text_document_sync: Some(TextDocumentSyncCapability::Kind(TextDocumentSyncKind::FULL)), + completion_provider: Some(CompletionOptions::default()), + definition_provider: Some(OneOf::Left(true)), + hover_provider: Some(HoverProviderCapability::Simple(true)), + document_formatting_provider: Some(OneOf::Left(true)), + ..Default::default() + }; + let init_value = serde_json::json!({ + "capabilities": caps, + "offsetEncoding": ["utf-8"], + }); + + let init_params = connection.initialize(init_value)?; + main_loop(connection, init_params)?; + io_thread.join()?; + log::error!("shutting down server"); + Ok(()) +} + +// ===================================================================== +// event loop +// ===================================================================== + +fn main_loop( + connection: Connection, + params: serde_json::Value, +) -> std::result::Result<(), Box<dyn Error + Sync + Send>> { + let _init: InitializeParams = serde_json::from_value(params)?; + let mut docs: FxHashMap<Url, String> = FxHashMap::default(); + + for msg in &connection.receiver { + match msg { + Message::Request(req) => { + if connection.handle_shutdown(&req)? { + break; + } + if let Err(err) = handle_request(&connection, &req, &mut docs) { + log::error!("[lsp] request {} failed: {err}", &req.method); + } + } + Message::Notification(note) => { + if let Err(err) = handle_notification(&connection, ¬e, &mut docs) { + log::error!("[lsp] notification {} failed: {err}", note.method); + } + } + Message::Response(resp) => log::error!("[lsp] response: {resp:?}"), + } + } + Ok(()) +} + +// ===================================================================== +// notifications +// ===================================================================== + +fn handle_notification( + conn: &Connection, + note: &lsp_server::Notification, + docs: &mut FxHashMap<Url, String>, +) -> Result<()> { + match note.method.as_str() { + DidOpenTextDocument::METHOD => { + let p: DidOpenTextDocumentParams = serde_json::from_value(note.params.clone())?; + let uri = p.text_document.uri; + docs.insert(uri.clone(), p.text_document.text); + publish_dummy_diag(conn, &uri)?; + } + DidChangeTextDocument::METHOD => { + let p: DidChangeTextDocumentParams = serde_json::from_value(note.params.clone())?; + if let Some(change) = p.content_changes.into_iter().next() { + let uri = p.text_document.uri; + docs.insert(uri.clone(), change.text); + publish_dummy_diag(conn, &uri)?; + } + } + _ => {} + } + Ok(()) +} + +// ===================================================================== +// requests +// ===================================================================== + +fn handle_request( + conn: &Connection, + req: &ServerRequest, + docs: &mut FxHashMap<Url, String>, +) -> Result<()> { + match req.method.as_str() { + GotoDefinition::METHOD => { + send_ok(conn, req.id.clone(), &lsp_types::GotoDefinitionResponse::Array(Vec::new()))?; + } + Completion::METHOD => { + let item = CompletionItem { + label: "HelloFromLSP".into(), + kind: Some(CompletionItemKind::FUNCTION), + detail: Some("dummy completion".into()), + ..Default::default() + }; + send_ok(conn, req.id.clone(), &CompletionResponse::Array(vec![item]))?; + } + HoverRequest::METHOD => { + let hover = Hover { + contents: HoverContents::Scalar(MarkedString::String( + "Hello from *minimal_lsp*".into(), + )), + range: None, + }; + send_ok(conn, req.id.clone(), &hover)?; + } + Formatting::METHOD => { + let p: DocumentFormattingParams = serde_json::from_value(req.params.clone())?; + let uri = p.text_document.uri; + let text = docs + .get(&uri) + .ok_or_else(|| anyhow!("document not in cache – did you send DidOpen?"))?; + let formatted = run_rustfmt(text)?; + let edit = TextEdit { range: full_range(text), new_text: formatted }; + send_ok(conn, req.id.clone(), &vec![edit])?; + } + _ => send_err( + conn, + req.id.clone(), + lsp_server::ErrorCode::MethodNotFound, + "unhandled method", + )?, + } + Ok(()) +} + +// ===================================================================== +// diagnostics +// ===================================================================== +fn publish_dummy_diag(conn: &Connection, uri: &Url) -> Result<()> { + let diag = Diagnostic { + range: Range::new(Position::new(0, 0), Position::new(0, 1)), + severity: Some(DiagnosticSeverity::INFORMATION), + code: None, + code_description: None, + source: Some("minimal_lsp".into()), + message: "dummy diagnostic".into(), + related_information: None, + tags: None, + data: None, + }; + let params = + PublishDiagnosticsParams { uri: uri.clone(), diagnostics: vec![diag], version: None }; + conn.sender.send(Message::Notification(lsp_server::Notification::new( + PublishDiagnostics::METHOD.to_owned(), + params, + )))?; + Ok(()) +} + +// ===================================================================== +// helpers +// ===================================================================== + +fn run_rustfmt(input: &str) -> Result<String> { + let cwd = std::env::current_dir().expect("can't determine CWD"); + let mut child = command("rustfmt", &cwd, &FxHashMap::default()) + .arg("--emit") + .arg("stdout") + .stdin(Stdio::piped()) + .stdout(Stdio::piped()) + .stderr(Stdio::piped()) + .spawn() + .context("failed to spawn rustfmt – is it installed?")?; + + let Some(stdin) = child.stdin.as_mut() else { + bail!("stdin unavailable"); + }; + stdin.write_all(input.as_bytes())?; + let output = child.wait_with_output()?; + if !output.status.success() { + let stderr = String::from_utf8_lossy(&output.stderr); + bail!("rustfmt failed: {stderr}"); + } + Ok(String::from_utf8(output.stdout)?) +} + +fn full_range(text: &str) -> Range { + let last_line_idx = text.lines().count().saturating_sub(1) as u32; + let last_col = text.lines().last().map_or(0, |l| l.chars().count()) as u32; + Range::new(Position::new(0, 0), Position::new(last_line_idx, last_col)) +} + +fn send_ok<T: serde::Serialize>(conn: &Connection, id: RequestId, result: &T) -> Result<()> { + let resp = Response { id, result: Some(serde_json::to_value(result)?), error: None }; + conn.sender.send(Message::Response(resp))?; + Ok(()) +} + +fn send_err( + conn: &Connection, + id: RequestId, + code: lsp_server::ErrorCode, + msg: &str, +) -> Result<()> { + let resp = Response { + id, + result: None, + error: Some(lsp_server::ResponseError { + code: code as i32, + message: msg.into(), + data: None, + }), + }; + conn.sender.send(Message::Response(resp))?; + Ok(()) +} diff --git a/src/tools/rust-analyzer/rust-version b/src/tools/rust-analyzer/rust-version index 902793225ea..57ff326ce5a 100644 --- a/src/tools/rust-analyzer/rust-version +++ b/src/tools/rust-analyzer/rust-version @@ -1 +1 @@ -ad3b7257615c28aaf8212a189ec032b8af75de51 +a9fb6103b05c6ad6eee6bed4c0bb5a2e8e1024c6 diff --git a/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs b/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs index d8cbf894520..b9f570fe0e3 100644 --- a/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs +++ b/src/tools/rust-analyzer/xtask/src/codegen/grammar/ast_src.rs @@ -116,6 +116,8 @@ const CONTEXTUAL_KEYWORDS: &[&str] = // keywords we use for special macro expansions const CONTEXTUAL_BUILTIN_KEYWORDS: &[&str] = &[ "asm", + "naked_asm", + "global_asm", "att_syntax", "builtin", "clobber_abi", diff --git a/src/tools/tidy/src/issues.txt b/src/tools/tidy/src/issues.txt index 8b57db23d01..77414bec82d 100644 --- a/src/tools/tidy/src/issues.txt +++ b/src/tools/tidy/src/issues.txt @@ -1021,7 +1021,6 @@ ui/foreign/issue-91370-foreign-fn-block-impl.rs ui/foreign/issue-99276-same-type-lifetimes.rs ui/function-pointer/issue-102289.rs ui/functions-closures/closure-expected-type/issue-38714.rs -ui/generic-associated-types/bugs/issue-100013.rs ui/generic-associated-types/bugs/issue-80626.rs ui/generic-associated-types/bugs/issue-87735.rs ui/generic-associated-types/bugs/issue-87755.rs @@ -1099,7 +1098,6 @@ ui/generic-associated-types/issue-90729.rs ui/generic-associated-types/issue-91139.rs ui/generic-associated-types/issue-91883.rs ui/generic-associated-types/issue-92033.rs -ui/generic-associated-types/issue-92096.rs ui/generic-associated-types/issue-92280.rs ui/generic-associated-types/issue-92954.rs ui/generic-associated-types/issue-93141.rs diff --git a/tests/codegen/sanitizer/kcfi/naked-function.rs b/tests/codegen/sanitizer/kcfi/naked-function.rs new file mode 100644 index 00000000000..2c8cdc919b8 --- /dev/null +++ b/tests/codegen/sanitizer/kcfi/naked-function.rs @@ -0,0 +1,47 @@ +//@ add-core-stubs +//@ revisions: aarch64 x86_64 +//@ [aarch64] compile-flags: --target aarch64-unknown-none +//@ [aarch64] needs-llvm-components: aarch64 +//@ [x86_64] compile-flags: --target x86_64-unknown-none +//@ [x86_64] needs-llvm-components: x86 +//@ compile-flags: -Ctarget-feature=-crt-static -Zsanitizer=kcfi -Cno-prepopulate-passes -Copt-level=0 + +#![feature(no_core, lang_items)] +#![crate_type = "lib"] +#![no_core] + +extern crate minicore; +use minicore::*; + +struct Thing; +trait MyTrait { + #[unsafe(naked)] + extern "C" fn my_naked_function() { + // the real function is defined + // CHECK: .globl + // CHECK-SAME: my_naked_function + naked_asm!("ret") + } +} +impl MyTrait for Thing {} + +// the shim calls the real function +// CHECK-LABEL: define +// CHECK-SAME: my_naked_function +// CHECK-SAME: reify.shim.fnptr + +// CHECK-LABEL: main +#[unsafe(no_mangle)] +pub fn main() { + // Trick the compiler into generating an indirect call. + const F: extern "C" fn() = Thing::my_naked_function; + + // main calls the shim function + // CHECK: call void + // CHECK-SAME: my_naked_function + // CHECK-SAME: reify.shim.fnptr + (F)(); +} + +// CHECK: declare !kcfi_type +// CHECK-SAME: my_naked_function diff --git a/tests/mir-opt/const_prop/transmute.rs b/tests/mir-opt/const_prop/transmute.rs index 892b91a5414..33cbefbf053 100644 --- a/tests/mir-opt/const_prop/transmute.rs +++ b/tests/mir-opt/const_prop/transmute.rs @@ -56,7 +56,7 @@ pub unsafe fn undef_union_as_integer() -> u32 { pub unsafe fn unreachable_direct() -> ! { // CHECK-LABEL: fn unreachable_direct( // CHECK: = const (); - // CHECK: = const () as Never (Transmute); + // CHECK: = const ZeroSized: Never; let x: Never = unsafe { transmute(()) }; match x {} } diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff index 3364782022d..5aeb55a5a6a 100644 --- a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff +++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.32bit.diff @@ -15,7 +15,7 @@ - _2 = (); - _1 = move _2 as Never (Transmute); + _2 = const (); -+ _1 = const () as Never (Transmute); ++ _1 = const ZeroSized: Never; unreachable; } } diff --git a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff index 3364782022d..5aeb55a5a6a 100644 --- a/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff +++ b/tests/mir-opt/const_prop/transmute.unreachable_direct.GVN.64bit.diff @@ -15,7 +15,7 @@ - _2 = (); - _1 = move _2 as Never (Transmute); + _2 = const (); -+ _1 = const () as Never (Transmute); ++ _1 = const ZeroSized: Never; unreachable; } } diff --git a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff index 770c6730775..ffe4a0272b4 100644 --- a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff +++ b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-abort.diff @@ -18,7 +18,8 @@ bb0: { _4 = copy _1 as *const T (PtrToPtr); - _5 = PtrMetadata(copy _4); +- _5 = PtrMetadata(copy _4); ++ _5 = const (); _6 = copy _1 as *const (&A, [T]) (PtrToPtr); - _7 = PtrMetadata(copy _6); + _7 = PtrMetadata(copy _1); diff --git a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff index 770c6730775..ffe4a0272b4 100644 --- a/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff +++ b/tests/mir-opt/gvn.generic_cast_metadata.GVN.panic-unwind.diff @@ -18,7 +18,8 @@ bb0: { _4 = copy _1 as *const T (PtrToPtr); - _5 = PtrMetadata(copy _4); +- _5 = PtrMetadata(copy _4); ++ _5 = const (); _6 = copy _1 as *const (&A, [T]) (PtrToPtr); - _7 = PtrMetadata(copy _6); + _7 = PtrMetadata(copy _1); diff --git a/tests/mir-opt/gvn.rs b/tests/mir-opt/gvn.rs index 6ef320c90de..5d348bc3c1e 100644 --- a/tests/mir-opt/gvn.rs +++ b/tests/mir-opt/gvn.rs @@ -869,7 +869,7 @@ fn generic_cast_metadata<T, A: ?Sized, B: ?Sized>(ps: *const [T], pa: *const A, // Metadata usize -> (), do not optimize. // CHECK: [[T:_.+]] = copy _1 as - // CHECK-NEXT: PtrMetadata(copy [[T]]) + // CHECK-NEXT: const (); let t1 = CastPtrToPtr::<_, *const T>(ps); let m1 = PtrMetadata(t1); diff --git a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir index 3b58f1d61f4..8c5fbda6392 100644 --- a/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir +++ b/tests/mir-opt/pre-codegen/slice_iter.enumerated_loop.PreCodegen.after.panic-unwind.mir @@ -109,7 +109,6 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb4: { - StorageLive(_15); _14 = &mut _13; _15 = <Enumerate<std::slice::Iter<'_, T>> as Iterator>::next(move _14) -> [return: bb5, unwind: bb11]; } @@ -120,7 +119,6 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { } bb6: { - StorageDead(_15); StorageDead(_13); drop(_2) -> [return: bb7, unwind continue]; } @@ -135,14 +133,13 @@ fn enumerated_loop(_1: &[T], _2: impl Fn(usize, &T)) -> () { StorageLive(_19); _19 = &_2; StorageLive(_20); - _20 = (copy _17, copy _18); + _20 = copy ((_15 as Some).0: (usize, &T)); _21 = <impl Fn(usize, &T) as Fn<(usize, &T)>>::call(move _19, move _20) -> [return: bb9, unwind: bb11]; } bb9: { StorageDead(_20); StorageDead(_19); - StorageDead(_15); goto -> bb4; } diff --git a/tests/run-make/export-executable-symbols/rmake.rs b/tests/run-make/export-executable-symbols/rmake.rs index 884c7362822..aa130b0855b 100644 --- a/tests/run-make/export-executable-symbols/rmake.rs +++ b/tests/run-make/export-executable-symbols/rmake.rs @@ -4,20 +4,22 @@ // symbol. // See https://github.com/rust-lang/rust/pull/85673 -//@ only-unix -// Reason: the export-executable-symbols flag only works on Unix -// due to hardcoded platform-specific implementation -// (See #85673) -//@ ignore-cross-compile //@ ignore-wasm +//@ ignore-cross-compile -use run_make_support::{bin_name, llvm_readobj, rustc}; +use run_make_support::object::Object; +use run_make_support::{bin_name, is_darwin, object, rustc}; fn main() { - rustc().arg("-Zexport-executable-symbols").input("main.rs").crate_type("bin").run(); - llvm_readobj() - .symbols() - .input(bin_name("main")) - .run() - .assert_stdout_contains("exported_symbol"); + rustc() + .arg("-Ctarget-feature=-crt-static") + .arg("-Zexport-executable-symbols") + .input("main.rs") + .crate_type("bin") + .run(); + let name: &[u8] = if is_darwin() { b"_exported_symbol" } else { b"exported_symbol" }; + let contents = std::fs::read(bin_name("main")).unwrap(); + let object = object::File::parse(contents.as_slice()).unwrap(); + let found = object.exports().unwrap().iter().any(|x| x.name() == name); + assert!(found); } diff --git a/tests/run-make/mte-ffi/bar.h b/tests/run-make/mte-ffi/bar.h index 9b030c618d1..a2292ae02a3 100644 --- a/tests/run-make/mte-ffi/bar.h +++ b/tests/run-make/mte-ffi/bar.h @@ -1,5 +1,3 @@ -// FIXME(#141600) the mte-ffi test doesn't fail in aarch64-gnu - #ifndef __BAR_H #define __BAR_H diff --git a/tests/run-make/mte-ffi/bar_float.c b/tests/run-make/mte-ffi/bar_float.c index acc2f5d9266..a1590f62765 100644 --- a/tests/run-make/mte-ffi/bar_float.c +++ b/tests/run-make/mte-ffi/bar_float.c @@ -3,9 +3,9 @@ #include <stdint.h> #include "bar.h" -extern void foo(float*); +extern void foo(char*); -void bar(float *ptr) { +void bar(char *ptr) { if (((uintptr_t)ptr >> 56) != 0x1f) { fprintf(stderr, "Top byte corrupted on Rust -> C FFI boundary!\n"); exit(1); diff --git a/tests/run-make/mte-ffi/bar_int.c b/tests/run-make/mte-ffi/bar_int.c index c92e765302c..d1c79e95dc9 100644 --- a/tests/run-make/mte-ffi/bar_int.c +++ b/tests/run-make/mte-ffi/bar_int.c @@ -5,7 +5,7 @@ extern void foo(unsigned int *); -void bar(unsigned int *ptr) { +void bar(char *ptr) { if (((uintptr_t)ptr >> 56) != 0x1f) { fprintf(stderr, "Top byte corrupted on Rust -> C FFI boundary!\n"); exit(1); diff --git a/tests/run-make/mte-ffi/bar_string.c b/tests/run-make/mte-ffi/bar_string.c index 8e1202f6fd1..5669ffd6695 100644 --- a/tests/run-make/mte-ffi/bar_string.c +++ b/tests/run-make/mte-ffi/bar_string.c @@ -1,7 +1,6 @@ #include <stdio.h> #include <stdlib.h> #include <stdint.h> -#include <string.h> #include "bar.h" extern void foo(char*); @@ -33,7 +32,7 @@ int main(void) // Store an arbitrary tag in bits 56-59 of the pointer (where an MTE tag may be), // and a different value in the ignored top 4 bits. - ptr = (char *)((uintptr_t)ptr | 0x1fl << 56); + ptr = (unsigned int *)((uintptr_t)ptr | 0x1fl << 56); if (mte_enabled()) { set_tag(ptr); diff --git a/tests/run-make/mte-ffi/rmake.rs b/tests/run-make/mte-ffi/rmake.rs index a8da0dc0ee0..71d8318d946 100644 --- a/tests/run-make/mte-ffi/rmake.rs +++ b/tests/run-make/mte-ffi/rmake.rs @@ -2,6 +2,13 @@ //! FFI boundaries (C <-> Rust). This test does not require MTE: whilst the test will use MTE if //! available, if it is not, arbitrary tag bits are set using TBI. +//@ ignore-test (FIXME #141600) +// +// FIXME(#141600): this test is broken in two ways: +// 1. This test triggers `-Wincompatible-pointer-types` on GCC 14. +// 2. This test requires ARMv8.5+ w/ MTE extensions enabled, but GHA CI runner hardware do not have +// this enabled. + //@ only-aarch64-unknown-linux-gnu // Reason: this test is only valid for AArch64 with `gcc`. The linker must be explicitly specified // when cross-compiling, so it is limited to `aarch64-unknown-linux-gnu`. diff --git a/tests/run-make/option-output-no-space/main.rs b/tests/run-make/option-output-no-space/main.rs new file mode 100644 index 00000000000..f328e4d9d04 --- /dev/null +++ b/tests/run-make/option-output-no-space/main.rs @@ -0,0 +1 @@ +fn main() {} diff --git a/tests/run-make/option-output-no-space/rmake.rs b/tests/run-make/option-output-no-space/rmake.rs new file mode 100644 index 00000000000..2c42f15aa89 --- /dev/null +++ b/tests/run-make/option-output-no-space/rmake.rs @@ -0,0 +1,95 @@ +// This test is to check if the warning is emitted when no space +// between `-o` and arg is applied, see issue #142812 + +//@ ignore-cross-compile +use run_make_support::rustc; + +fn main() { + // test fake args + rustc() + .input("main.rs") + .arg("-optimize") + .run() + .assert_stderr_contains( + "warning: option `-o` has no space between flag name and value, which can be confusing", + ) + .assert_stderr_contains( + "note: output filename `-o ptimize` is applied instead of a flag named `optimize`", + ); + rustc() + .input("main.rs") + .arg("-o0") + .run() + .assert_stderr_contains( + "warning: option `-o` has no space between flag name and value, which can be confusing", + ) + .assert_stderr_contains( + "note: output filename `-o 0` is applied instead of a flag named `o0`", + ); + rustc().input("main.rs").arg("-o1").run(); + // test real args by iter optgroups + rustc() + .input("main.rs") + .arg("-out-dir") + .run() + .assert_stderr_contains( + "warning: option `-o` has no space between flag name and value, which can be confusing", + ) + .assert_stderr_contains( + "note: output filename `-o ut-dir` is applied instead of a flag named `out-dir`", + ) + .assert_stderr_contains( + "help: insert a space between `-o` and `ut-dir` if this is intentional: `-o ut-dir`", + ); + // test real args by iter CG_OPTIONS + rustc() + .input("main.rs") + .arg("-opt_level") + .run() + .assert_stderr_contains( + "warning: option `-o` has no space between flag name and value, which can be confusing", + ) + .assert_stderr_contains( + "note: output filename `-o pt_level` is applied instead of a flag named `opt_level`", + ) + .assert_stderr_contains( + "help: insert a space between `-o` and `pt_level` if this is intentional: `-o pt_level`" + ); + // separater in-sensitive + rustc() + .input("main.rs") + .arg("-opt-level") + .run() + .assert_stderr_contains( + "warning: option `-o` has no space between flag name and value, which can be confusing", + ) + .assert_stderr_contains( + "note: output filename `-o pt-level` is applied instead of a flag named `opt-level`", + ) + .assert_stderr_contains( + "help: insert a space between `-o` and `pt-level` if this is intentional: `-o pt-level`" + ); + rustc() + .input("main.rs") + .arg("-overflow-checks") + .run() + .assert_stderr_contains( + "warning: option `-o` has no space between flag name and value, which can be confusing", + ) + .assert_stderr_contains( + "note: output filename `-o verflow-checks` \ + is applied instead of a flag named `overflow-checks`", + ) + .assert_stderr_contains( + "help: insert a space between `-o` and `verflow-checks` \ + if this is intentional: `-o verflow-checks`", + ); + + // No warning for Z_OPTIONS + rustc().input("main.rs").arg("-oom").run().assert_stderr_equals(""); + + // test no warning when there is space between `-o` and arg + rustc().input("main.rs").arg("-o").arg("ptimize").run().assert_stderr_equals(""); + rustc().input("main.rs").arg("--out-dir").arg("xxx").run().assert_stderr_equals(""); + rustc().input("main.rs").arg("-o").arg("out-dir").run().assert_stderr_equals(""); +} diff --git a/tests/ui/asm/naked-function-shim.rs b/tests/ui/asm/naked-function-shim.rs new file mode 100644 index 00000000000..4694d0cd963 --- /dev/null +++ b/tests/ui/asm/naked-function-shim.rs @@ -0,0 +1,31 @@ +// The indirect call will generate a shim that then calls the actual function. Test that +// this is handled correctly. See also https://github.com/rust-lang/rust/issues/143266. + +//@ build-pass +//@ add-core-stubs +//@ revisions: aarch64 x86_64 +//@ [aarch64] compile-flags: --target aarch64-unknown-none +//@ [aarch64] needs-llvm-components: aarch64 +//@ [x86_64] compile-flags: --target x86_64-unknown-none +//@ [x86_64] needs-llvm-components: x86 + +#![feature(no_core, lang_items)] +#![crate_type = "lib"] +#![no_core] + +extern crate minicore; +use minicore::*; + +trait MyTrait { + #[unsafe(naked)] + extern "C" fn foo(&self) { + naked_asm!("ret") + } +} + +impl MyTrait for i32 {} + +fn main() { + let x: extern "C" fn(&_) = <dyn MyTrait as MyTrait>::foo; + x(&1); +} diff --git a/tests/ui/async-await/async-closures/def-path.stderr b/tests/ui/async-await/async-closures/def-path.stderr index b50e353b698..58a5b0b79c4 100644 --- a/tests/ui/async-await/async-closures/def-path.stderr +++ b/tests/ui/async-await/async-closures/def-path.stderr @@ -5,11 +5,11 @@ LL | let x = async || {}; | -- the expected `async` closure body LL | LL | let () = x(); - | ^^ --- this expression has type `{static main::{closure#0}::{closure#0}<?17t> upvar_tys=?16t resume_ty=ResumeTy yield_ty=() return_ty=() witness=?5t}` + | ^^ --- this expression has type `{static main::{closure#0}::{closure#0}<?16t> upvar_tys=?15t resume_ty=ResumeTy yield_ty=() return_ty=() witness={main::{closure#0}::{closure#0}}}` | | | expected `async` closure body, found `()` | - = note: expected `async` closure body `{static main::{closure#0}::{closure#0}<?17t> upvar_tys=?16t resume_ty=ResumeTy yield_ty=() return_ty=() witness=?5t}` + = note: expected `async` closure body `{static main::{closure#0}::{closure#0}<?16t> upvar_tys=?15t resume_ty=ResumeTy yield_ty=() return_ty=() witness={main::{closure#0}::{closure#0}}}` found unit type `()` error: aborting due to 1 previous error diff --git a/tests/ui/async-await/async-drop/foreign-fundamental.rs b/tests/ui/async-await/async-drop/foreign-fundamental.rs new file mode 100644 index 00000000000..1c192fccd9f --- /dev/null +++ b/tests/ui/async-await/async-drop/foreign-fundamental.rs @@ -0,0 +1,21 @@ +//@ edition: 2018 + +#![feature(async_drop)] +//~^ WARN the feature `async_drop` is incomplete + +use std::future::AsyncDrop; +use std::pin::Pin; + +struct Foo; + +impl AsyncDrop for &Foo { + //~^ ERROR the `AsyncDrop` trait may only be implemented for + async fn drop(self: Pin<&mut Self>) {} +} + +impl AsyncDrop for Pin<Foo> { + //~^ ERROR the `AsyncDrop` trait may only be implemented for + async fn drop(self: Pin<&mut Self>) {} +} + +fn main() {} diff --git a/tests/ui/async-await/async-drop/foreign-fundamental.stderr b/tests/ui/async-await/async-drop/foreign-fundamental.stderr new file mode 100644 index 00000000000..7b52329ac99 --- /dev/null +++ b/tests/ui/async-await/async-drop/foreign-fundamental.stderr @@ -0,0 +1,24 @@ +warning: the feature `async_drop` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/foreign-fundamental.rs:3:12 + | +LL | #![feature(async_drop)] + | ^^^^^^^^^^ + | + = note: see issue #126482 <https://github.com/rust-lang/rust/issues/126482> for more information + = note: `#[warn(incomplete_features)]` on by default + +error[E0120]: the `AsyncDrop` trait may only be implemented for local structs, enums, and unions + --> $DIR/foreign-fundamental.rs:11:20 + | +LL | impl AsyncDrop for &Foo { + | ^^^^ must be a struct, enum, or union in the current crate + +error[E0120]: the `AsyncDrop` trait may only be implemented for local structs, enums, and unions + --> $DIR/foreign-fundamental.rs:16:20 + | +LL | impl AsyncDrop for Pin<Foo> { + | ^^^^^^^^ must be a struct, enum, or union in the current crate + +error: aborting due to 2 previous errors; 1 warning emitted + +For more information about this error, try `rustc --explain E0120`. diff --git a/tests/ui/async-await/drop-tracking-unresolved-typeck-results.stderr b/tests/ui/async-await/drop-tracking-unresolved-typeck-results.no_assumptions.stderr index 0d3ee8a9377..d5560bf8920 100644 --- a/tests/ui/async-await/drop-tracking-unresolved-typeck-results.stderr +++ b/tests/ui/async-await/drop-tracking-unresolved-typeck-results.no_assumptions.stderr @@ -1,9 +1,7 @@ error: implementation of `FnOnce` is not general enough - --> $DIR/drop-tracking-unresolved-typeck-results.rs:98:5 + --> $DIR/drop-tracking-unresolved-typeck-results.rs:102:5 | LL | / send(async { -LL | | -LL | | LL | | Next(&Buffered(Map(Empty(PhantomData), ready::<&()>), FuturesOrdered(PhantomData), 0)).await LL | | }); | |______^ implementation of `FnOnce` is not general enough @@ -12,11 +10,9 @@ LL | | }); = note: ...but it actually implements `FnOnce<(&(),)>` error: implementation of `FnOnce` is not general enough - --> $DIR/drop-tracking-unresolved-typeck-results.rs:98:5 + --> $DIR/drop-tracking-unresolved-typeck-results.rs:102:5 | LL | / send(async { -LL | | -LL | | LL | | Next(&Buffered(Map(Empty(PhantomData), ready::<&()>), FuturesOrdered(PhantomData), 0)).await LL | | }); | |______^ implementation of `FnOnce` is not general enough diff --git a/tests/ui/async-await/drop-tracking-unresolved-typeck-results.rs b/tests/ui/async-await/drop-tracking-unresolved-typeck-results.rs index e6c295405e2..16f929331cb 100644 --- a/tests/ui/async-await/drop-tracking-unresolved-typeck-results.rs +++ b/tests/ui/async-await/drop-tracking-unresolved-typeck-results.rs @@ -1,5 +1,9 @@ //@ incremental //@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 use std::future::*; use std::marker::PhantomData; @@ -96,8 +100,6 @@ impl<St: ?Sized + Stream + Unpin> Future for Next<'_, St> { fn main() { send(async { - //~^ ERROR implementation of `FnOnce` is not general enough - //~| ERROR implementation of `FnOnce` is not general enough Next(&Buffered(Map(Empty(PhantomData), ready::<&()>), FuturesOrdered(PhantomData), 0)).await }); } diff --git a/tests/ui/async-await/higher-ranked-auto-trait-1.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-1.no_assumptions.stderr new file mode 100644 index 00000000000..b298a3bf215 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-1.no_assumptions.stderr @@ -0,0 +1,38 @@ +error[E0308]: mismatched types + --> $DIR/higher-ranked-auto-trait-1.rs:37:5 + | +LL | / async { +LL | | let _y = &(); +LL | | let _x = filter(FilterMap { +LL | | f: || async move { *_y }, +... | +LL | | drop(_x); +LL | | } + | |_____^ one type is more general than the other + | + = note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}` + found `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object + +error[E0308]: mismatched types + --> $DIR/higher-ranked-auto-trait-1.rs:37:5 + | +LL | / async { +LL | | let _y = &(); +LL | | let _x = filter(FilterMap { +LL | | f: || async move { *_y }, +... | +LL | | drop(_x); +LL | | } + | |_____^ one type is more general than the other + | + = note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}` + found `async` block `{async block@$DIR/higher-ranked-auto-trait-1.rs:40:19: 40:29}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/async-await/higher-ranked-auto-trait-1.rs b/tests/ui/async-await/higher-ranked-auto-trait-1.rs new file mode 100644 index 00000000000..740f7e29245 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-1.rs @@ -0,0 +1,48 @@ +// Repro for <https://github.com/rust-lang/rust/issues/79648#issuecomment-749127947>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::future::Future; +use std::marker::PhantomData; + +trait Stream { + type Item; +} + +struct Filter<St: Stream> { + pending_item: St::Item, +} + +fn filter<St: Stream>(_: St) -> Filter<St> { + unimplemented!(); +} + +struct FilterMap<Fut, F> { + f: F, + pending: PhantomData<Fut>, +} + +impl<Fut, F> Stream for FilterMap<Fut, F> +where + F: FnMut() -> Fut, + Fut: Future, +{ + type Item = (); +} + +pub fn get_foo() -> impl Future + Send { + async { + let _y = &(); + let _x = filter(FilterMap { + f: || async move { *_y }, + pending: PhantomData, + }); + async {}.await; + drop(_x); + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-10.assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-10.assumptions.stderr new file mode 100644 index 00000000000..6fcf1b1eac1 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-10.assumptions.stderr @@ -0,0 +1,21 @@ +error: implementation of `Foo` is not general enough + --> $DIR/higher-ranked-auto-trait-10.rs:32:5 + | +LL | Box::new(async move { get_foo(x).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough + | + = note: `Foo<'1>` would have to be implemented for the type `&'0 str`, for any two lifetimes `'0` and `'1`... + = note: ...but `Foo<'2>` is actually implemented for the type `&'2 str`, for some specific lifetime `'2` + +error: implementation of `Foo` is not general enough + --> $DIR/higher-ranked-auto-trait-10.rs:32:5 + | +LL | Box::new(async move { get_foo(x).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough + | + = note: `Foo<'1>` would have to be implemented for the type `&'0 str`, for any two lifetimes `'0` and `'1`... + = note: ...but `Foo<'2>` is actually implemented for the type `&'2 str`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-10.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-10.no_assumptions.stderr new file mode 100644 index 00000000000..6fcf1b1eac1 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-10.no_assumptions.stderr @@ -0,0 +1,21 @@ +error: implementation of `Foo` is not general enough + --> $DIR/higher-ranked-auto-trait-10.rs:32:5 + | +LL | Box::new(async move { get_foo(x).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough + | + = note: `Foo<'1>` would have to be implemented for the type `&'0 str`, for any two lifetimes `'0` and `'1`... + = note: ...but `Foo<'2>` is actually implemented for the type `&'2 str`, for some specific lifetime `'2` + +error: implementation of `Foo` is not general enough + --> $DIR/higher-ranked-auto-trait-10.rs:32:5 + | +LL | Box::new(async move { get_foo(x).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Foo` is not general enough + | + = note: `Foo<'1>` would have to be implemented for the type `&'0 str`, for any two lifetimes `'0` and `'1`... + = note: ...but `Foo<'2>` is actually implemented for the type `&'2 str`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-10.rs b/tests/ui/async-await/higher-ranked-auto-trait-10.rs new file mode 100644 index 00000000000..4bfa27961ab --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-10.rs @@ -0,0 +1,35 @@ +// Repro for <https://github.com/rust-lang/rust/issues/92415#issue-1090723521>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] known-bug: unknown +//@[no_assumptions] known-bug: #110338 + +use std::any::Any; +use std::future::Future; + +trait Foo<'a>: Sized { + type Error; + fn foo(x: &'a str) -> Result<Self, Self::Error>; +} + +impl<'a> Foo<'a> for &'a str { + type Error = (); + + fn foo(x: &'a str) -> Result<Self, Self::Error> { + Ok(x) + } +} + +async fn get_foo<'a, T>(x: &'a str) -> Result<T, <T as Foo<'a>>::Error> +where + T: Foo<'a>, +{ + Foo::foo(x) +} + +fn bar<'a>(x: &'a str) -> Box<dyn Future<Output = Result<&'a str, ()>> + Send + 'a> { + Box::new(async move { get_foo(x).await }) +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-11.assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-11.assumptions.stderr new file mode 100644 index 00000000000..d39843f628c --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-11.assumptions.stderr @@ -0,0 +1,20 @@ +error: lifetime may not live long enough + --> $DIR/higher-ranked-auto-trait-11.rs:27:9 + | +LL | impl<'a, T> Foo<'a> for MyType<T> + | -- lifetime `'a` defined here +... +LL | Box::pin(async move { <T as Foo<'a>>::foo().await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ coercion requires that `'a` must outlive `'static` + +error: implementation of `Send` is not general enough + --> $DIR/higher-ranked-auto-trait-11.rs:27:9 + | +LL | Box::pin(async move { <T as Foo<'a>>::foo().await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Send` is not general enough + | + = note: `Send` would have to be implemented for the type `<T as Foo<'0>>::Future`, for any lifetime `'0`... + = note: ...but `Send` is actually implemented for the type `<T as Foo<'1>>::Future`, for some specific lifetime `'1` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-11.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-11.no_assumptions.stderr new file mode 100644 index 00000000000..d39843f628c --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-11.no_assumptions.stderr @@ -0,0 +1,20 @@ +error: lifetime may not live long enough + --> $DIR/higher-ranked-auto-trait-11.rs:27:9 + | +LL | impl<'a, T> Foo<'a> for MyType<T> + | -- lifetime `'a` defined here +... +LL | Box::pin(async move { <T as Foo<'a>>::foo().await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ coercion requires that `'a` must outlive `'static` + +error: implementation of `Send` is not general enough + --> $DIR/higher-ranked-auto-trait-11.rs:27:9 + | +LL | Box::pin(async move { <T as Foo<'a>>::foo().await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Send` is not general enough + | + = note: `Send` would have to be implemented for the type `<T as Foo<'0>>::Future`, for any lifetime `'0`... + = note: ...but `Send` is actually implemented for the type `<T as Foo<'1>>::Future`, for some specific lifetime `'1` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-11.rs b/tests/ui/async-await/higher-ranked-auto-trait-11.rs new file mode 100644 index 00000000000..3aebdd8224d --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-11.rs @@ -0,0 +1,31 @@ +// Repro for <https://github.com/rust-lang/rust/issues/60658#issuecomment-1509321859>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] known-bug: unknown +//@[no_assumptions] known-bug: #110338 + +use core::pin::Pin; +use std::future::Future; + +pub trait Foo<'a> { + type Future: Future<Output = ()>; + + fn foo() -> Self::Future; +} + +struct MyType<T>(T); + +impl<'a, T> Foo<'a> for MyType<T> +where + T: Foo<'a>, + T::Future: Send, +{ + type Future = Pin<Box<dyn Future<Output = ()> + Send + 'a>>; + + fn foo() -> Self::Future { + Box::pin(async move { <T as Foo<'a>>::foo().await }) + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-12.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-12.no_assumptions.stderr new file mode 100644 index 00000000000..63e71cbc40c --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-12.no_assumptions.stderr @@ -0,0 +1,18 @@ +error: implementation of `Robot` is not general enough + --> $DIR/higher-ranked-auto-trait-12.rs:31:20 + | +LL | let _my_task = this_is_send(async move { + | ____________________^ +LL | | let _my_iter = IRobot { +LL | | id: 32, +LL | | robot: source, +LL | | }; +LL | | yield_now().await; +LL | | }); + | |______^ implementation of `Robot` is not general enough + | + = note: `Box<(dyn Robot<Id = u32> + Send + '0)>` must implement `Robot`, for any lifetime `'0`... + = note: ...but `Robot` is actually implemented for the type `Box<(dyn Robot<Id = u32> + Send + 'static)>` + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-12.rs b/tests/ui/async-await/higher-ranked-auto-trait-12.rs new file mode 100644 index 00000000000..b1cca5cbb00 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-12.rs @@ -0,0 +1,40 @@ +// Repro for <https://github.com/rust-lang/rust/issues/71671#issuecomment-848994782>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +pub trait Robot { + type Id; +} + +pub type DynRobot = Box<dyn Robot<Id = u32> + Send>; + +impl Robot for DynRobot { + type Id = u32; +} + +struct IRobot<R: Robot> { + id: R::Id, + robot: R, +} + +// stand-in for tokio::spawn +fn this_is_send<T: Send>(value: T) -> T { + value +} + +async fn yield_now() {} + +fn test(source: DynRobot) { + let _my_task = this_is_send(async move { + let _my_iter = IRobot { + id: 32, + robot: source, + }; + yield_now().await; + }); +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-13.assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-13.assumptions.stderr new file mode 100644 index 00000000000..f69218740dc --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-13.assumptions.stderr @@ -0,0 +1,41 @@ +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 4 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-13.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-13.no_assumptions.stderr new file mode 100644 index 00000000000..cfbdaa8ad4b --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-13.no_assumptions.stderr @@ -0,0 +1,60 @@ +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: implementation of `Callable` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Callable` is not general enough + | + = note: `Callable<'_>` would have to be implemented for the type `ConstructableImpl<'0>`, for any lifetime `'0`... + = note: ...but `Callable<'1>` is actually implemented for the type `ConstructableImpl<'1>`, for some specific lifetime `'1` + +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: implementation of `Getter` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Getter` is not general enough + | + = note: `Getter<'1>` would have to be implemented for the type `GetterImpl<'0, ConstructableImpl<'_>>`, for any two lifetimes `'0` and `'1`... + = note: ...but `Getter<'2>` is actually implemented for the type `GetterImpl<'2, ConstructableImpl<'_>>`, for some specific lifetime `'2` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: implementation of `Callable` is not general enough + --> $DIR/higher-ranked-auto-trait-13.rs:65:5 + | +LL | assert_send(my_send_async_method(struct_with_lifetime, data)); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ implementation of `Callable` is not general enough + | + = note: `Callable<'_>` would have to be implemented for the type `ConstructableImpl<'0>`, for any lifetime `'0`... + = note: ...but `Callable<'1>` is actually implemented for the type `ConstructableImpl<'1>`, for some specific lifetime `'1` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 6 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-13.rs b/tests/ui/async-await/higher-ranked-auto-trait-13.rs new file mode 100644 index 00000000000..4bce0f5197f --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-13.rs @@ -0,0 +1,68 @@ +// Repro for <https://github.com/rust-lang/rust/issues/114046#issue-1819720359>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] known-bug: unknown +//@[no_assumptions] known-bug: #110338 + +use std::marker::PhantomData; + +trait Callable<'a>: Send + Sync { + fn callable(data: &'a [u8]); +} + +trait Getter<'a>: Send + Sync { + type ItemSize: Send + Sync; + + fn get(data: &'a [u8]); +} + +struct List<'a, A: Getter<'a>> { + data: &'a [u8], + item_size: A::ItemSize, // Removing this member causes the code to compile + phantom: PhantomData<A>, +} + +struct GetterImpl<'a, T: Callable<'a> + 'a> { + p: PhantomData<&'a T>, +} + +impl<'a, T: Callable<'a> + 'a> Getter<'a> for GetterImpl<'a, T> { + type ItemSize = (); + + fn get(data: &'a [u8]) { + <T>::callable(data); + } +} + +struct ConstructableImpl<'a> { + _data: &'a [u8], +} + +impl<'a> Callable<'a> for ConstructableImpl<'a> { + fn callable(_: &'a [u8]) {} +} + +struct StructWithLifetime<'a> { + marker: &'a PhantomData<u8>, +} + +async fn async_method() {} + +fn assert_send(_: impl Send + Sync) {} + +// This async method ought to be send, but is not +async fn my_send_async_method(_struct_with_lifetime: &mut StructWithLifetime<'_>, data: &Vec<u8>) { + let _named = + List::<'_, GetterImpl<ConstructableImpl<'_>>> { data, item_size: (), phantom: PhantomData }; + // Moving the await point above the constructed of _named, causes + // the method to become send, even though _named is Send + Sync + async_method().await; + assert_send(_named); +} + +fn dummy(struct_with_lifetime: &mut StructWithLifetime<'_>, data: &Vec<u8>) { + assert_send(my_send_async_method(struct_with_lifetime, data)); +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-14.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-14.no_assumptions.stderr new file mode 100644 index 00000000000..b47db2b19ff --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-14.no_assumptions.stderr @@ -0,0 +1,33 @@ +error: implementation of `FnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-14.rs:20:5 + | +LL | / async move { +LL | | let xs = unique_x.union(&cached) +LL | | // .copied() // works +LL | | .map(|x| *x) // error +LL | | ; +LL | | let blah = val.blah(xs.into_iter()).await; +LL | | } + | |_____^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'0 u32) -> u32` must implement `FnOnce<(&'1 u32,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `FnOnce<(&u32,)>` + +error: implementation of `FnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-14.rs:20:5 + | +LL | / async move { +LL | | let xs = unique_x.union(&cached) +LL | | // .copied() // works +LL | | .map(|x| *x) // error +LL | | ; +LL | | let blah = val.blah(xs.into_iter()).await; +LL | | } + | |_____^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'0 u32) -> u32` must implement `FnOnce<(&'1 u32,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `FnOnce<(&u32,)>` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-14.rs b/tests/ui/async-await/higher-ranked-auto-trait-14.rs new file mode 100644 index 00000000000..5ed12cd6e38 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-14.rs @@ -0,0 +1,29 @@ +// Repro for <https://github.com/rust-lang/rust/issues/124757#issue-2279603232>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::collections::HashSet; +use std::future::Future; + +trait MyTrait { + fn blah(&self, x: impl Iterator<Item = u32>) -> impl Future<Output = ()> + Send; +} + +fn foo<T: MyTrait + Send + Sync>( + val: T, + unique_x: HashSet<u32>, +) -> impl Future<Output = ()> + Send { + let cached = HashSet::new(); + async move { + let xs = unique_x.union(&cached) + // .copied() // works + .map(|x| *x) // error + ; + let blah = val.blah(xs.into_iter()).await; + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-15.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-15.no_assumptions.stderr new file mode 100644 index 00000000000..b4f3570d9f2 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-15.no_assumptions.stderr @@ -0,0 +1,21 @@ +error: implementation of `FnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-15.rs:20:5 + | +LL | require_send(future); + | ^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'0 Vec<i32>) -> std::slice::Iter<'_, i32>` must implement `FnOnce<(&'1 Vec<i32>,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `FnOnce<(&Vec<i32>,)>` + +error: implementation of `FnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-15.rs:20:5 + | +LL | require_send(future); + | ^^^^^^^^^^^^^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'0 Vec<i32>) -> std::slice::Iter<'_, i32>` must implement `FnOnce<(&'1 Vec<i32>,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `FnOnce<(&Vec<i32>,)>` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-15.rs b/tests/ui/async-await/higher-ranked-auto-trait-15.rs new file mode 100644 index 00000000000..153fcac4c3a --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-15.rs @@ -0,0 +1,21 @@ +// Repro for <https://github.com/rust-lang/rust/issues/126044#issuecomment-2154313449>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +async fn listen() { + let things: Vec<Vec<i32>> = vec![]; + for _ in things.iter().map(|n| n.iter()).flatten() { + // comment this line and everything compiles + async {}.await; + } +} + +fn require_send<T: Send>(_x: T) {} + +fn main() { + let future = listen(); + require_send(future); +} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-16.assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-16.assumptions.stderr new file mode 100644 index 00000000000..412c31b1bd8 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-16.assumptions.stderr @@ -0,0 +1,25 @@ +error: implementation of `AsyncFnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-16.rs:18:5 + | +LL | / assert_send(async { +LL | | commit_if_ok(&mut ctxt, async |_| todo!()).await; +LL | | }); + | |______^ implementation of `AsyncFnOnce` is not general enough + | + = note: `{async closure@$DIR/higher-ranked-auto-trait-16.rs:19:33: 19:42}` must implement `AsyncFnOnce<(&mut Ctxt<'1>,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `AsyncFnOnce<(&mut Ctxt<'_>,)>` + +error: implementation of `AsyncFnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-16.rs:18:5 + | +LL | / assert_send(async { +LL | | commit_if_ok(&mut ctxt, async |_| todo!()).await; +LL | | }); + | |______^ implementation of `AsyncFnOnce` is not general enough + | + = note: `{async closure@$DIR/higher-ranked-auto-trait-16.rs:19:33: 19:42}` must implement `AsyncFnOnce<(&mut Ctxt<'1>,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `AsyncFnOnce<(&mut Ctxt<'_>,)>` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-16.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-16.no_assumptions.stderr new file mode 100644 index 00000000000..412c31b1bd8 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-16.no_assumptions.stderr @@ -0,0 +1,25 @@ +error: implementation of `AsyncFnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-16.rs:18:5 + | +LL | / assert_send(async { +LL | | commit_if_ok(&mut ctxt, async |_| todo!()).await; +LL | | }); + | |______^ implementation of `AsyncFnOnce` is not general enough + | + = note: `{async closure@$DIR/higher-ranked-auto-trait-16.rs:19:33: 19:42}` must implement `AsyncFnOnce<(&mut Ctxt<'1>,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `AsyncFnOnce<(&mut Ctxt<'_>,)>` + +error: implementation of `AsyncFnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-16.rs:18:5 + | +LL | / assert_send(async { +LL | | commit_if_ok(&mut ctxt, async |_| todo!()).await; +LL | | }); + | |______^ implementation of `AsyncFnOnce` is not general enough + | + = note: `{async closure@$DIR/higher-ranked-auto-trait-16.rs:19:33: 19:42}` must implement `AsyncFnOnce<(&mut Ctxt<'1>,)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `AsyncFnOnce<(&mut Ctxt<'_>,)>` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-16.rs b/tests/ui/async-await/higher-ranked-auto-trait-16.rs new file mode 100644 index 00000000000..2b206f0a4c5 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-16.rs @@ -0,0 +1,23 @@ +// Repro for <https://github.com/rust-lang/rust/issues/126350#issue-2349492101>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] known-bug: unknown +//@[no_assumptions] known-bug: #110338 + +fn assert_send<T: Send>(_: T) {} + +#[derive(Clone)] +struct Ctxt<'a>(&'a ()); + +async fn commit_if_ok<'a>(ctxt: &mut Ctxt<'a>, f: impl AsyncFnOnce(&mut Ctxt<'a>)) { + f(&mut ctxt.clone()).await; +} + +fn operation(mut ctxt: Ctxt<'_>) { + assert_send(async { + commit_if_ok(&mut ctxt, async |_| todo!()).await; + }); +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-17.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-17.no_assumptions.stderr new file mode 100644 index 00000000000..152900ca1ae --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-17.no_assumptions.stderr @@ -0,0 +1,29 @@ +error: implementation of `FnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-17.rs:12:5 + | +LL | / async move { +LL | | let iter = Adaptor::new(a.iter().map(|_: &()| {})); +LL | | std::future::pending::<()>().await; +LL | | drop(iter); +LL | | } + | |_____^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'0 ())` must implement `FnOnce<(&'1 (),)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `FnOnce<(&(),)>` + +error: implementation of `FnOnce` is not general enough + --> $DIR/higher-ranked-auto-trait-17.rs:12:5 + | +LL | / async move { +LL | | let iter = Adaptor::new(a.iter().map(|_: &()| {})); +LL | | std::future::pending::<()>().await; +LL | | drop(iter); +LL | | } + | |_____^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'0 ())` must implement `FnOnce<(&'1 (),)>`, for any two lifetimes `'0` and `'1`... + = note: ...but it actually implements `FnOnce<(&(),)>` + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-17.rs b/tests/ui/async-await/higher-ranked-auto-trait-17.rs new file mode 100644 index 00000000000..152432466c0 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-17.rs @@ -0,0 +1,30 @@ +// Repro for <https://github.com/rust-lang/rust/issues/114177#issue-1826550174>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +// Using `impl Future` instead of `async to ensure that the Future is Send. +// +// In the original code `a` would be `&[T]`. For more minimization I've removed the reference. +fn foo(a: [(); 0]) -> impl std::future::Future<Output = ()> + Send { + async move { + let iter = Adaptor::new(a.iter().map(|_: &()| {})); + std::future::pending::<()>().await; + drop(iter); + } +} + +struct Adaptor<T: Iterator> { + iter: T, + v: T::Item, +} + +impl<T: Iterator> Adaptor<T> { + pub fn new(_: T) -> Self { + Self { iter: todo!(), v: todo!() } + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-2.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-2.no_assumptions.stderr new file mode 100644 index 00000000000..2fc44412b9d --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-2.no_assumptions.stderr @@ -0,0 +1,49 @@ +error: lifetime bound not satisfied + --> $DIR/higher-ranked-auto-trait-2.rs:16:9 + | +LL | / async move { +LL | | // asks for an unspecified lifetime to outlive itself? weird diagnostics +LL | | self.run(t).await; +LL | | } + | |_________^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + +error: lifetime bound not satisfied + --> $DIR/higher-ranked-auto-trait-2.rs:16:9 + | +LL | / async move { +LL | | // asks for an unspecified lifetime to outlive itself? weird diagnostics +LL | | self.run(t).await; +LL | | } + | |_________^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: lifetime bound not satisfied + --> $DIR/higher-ranked-auto-trait-2.rs:16:9 + | +LL | / async move { +LL | | // asks for an unspecified lifetime to outlive itself? weird diagnostics +LL | | self.run(t).await; +LL | | } + | |_________^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: lifetime bound not satisfied + --> $DIR/higher-ranked-auto-trait-2.rs:16:9 + | +LL | / async move { +LL | | // asks for an unspecified lifetime to outlive itself? weird diagnostics +LL | | self.run(t).await; +LL | | } + | |_________^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 4 previous errors + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-2.rs b/tests/ui/async-await/higher-ranked-auto-trait-2.rs new file mode 100644 index 00000000000..6c75597265b --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-2.rs @@ -0,0 +1,23 @@ +// Repro for <https://github.com/rust-lang/rust/issues/111105#issue-1692860759>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::future::Future; + +pub trait Foo: Sync { + fn run<'a, 'b: 'a, T: Sync>(&'a self, _: &'b T) -> impl Future<Output = ()> + 'a + Send; +} + +pub trait FooExt: Foo { + fn run_via<'a, 'b: 'a, T: Sync>(&'a self, t: &'b T) -> impl Future<Output = ()> + 'a + Send { + async move { + // asks for an unspecified lifetime to outlive itself? weird diagnostics + self.run(t).await; + } + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-3.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-3.no_assumptions.stderr new file mode 100644 index 00000000000..c5c98ac807e --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-3.no_assumptions.stderr @@ -0,0 +1,12 @@ +error: lifetime bound not satisfied + --> $DIR/higher-ranked-auto-trait-3.rs:66:9 + | +LL | / async { +LL | | self.fi_2.get_iter(cx).await; +LL | | } + | |_________^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-3.rs b/tests/ui/async-await/higher-ranked-auto-trait-3.rs new file mode 100644 index 00000000000..d42d4236680 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-3.rs @@ -0,0 +1,72 @@ +// Repro for <https://github.com/rust-lang/rust/issues/100013#issue-1323807923>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +#![feature(impl_trait_in_assoc_type)] + +use std::future::Future; + +pub trait FutureIterator: 'static { + type Iterator; + + type Future<'s, 'cx>: Future<Output = Self::Iterator> + Send + 'cx + where + 's: 'cx; + + fn get_iter<'s, 'cx>(&'s self, info: &'cx ()) -> Self::Future<'s, 'cx>; +} + +trait IterCaller: 'static { + type Future1<'cx>: Future<Output = ()> + Send + 'cx; + type Future2<'cx>: Future<Output = ()> + Send + 'cx; + + fn call_1<'s, 'cx>(&'s self, cx: &'cx ()) -> Self::Future1<'cx> + where + 's: 'cx; + fn call_2<'s, 'cx>(&'s self, cx: &'cx ()) -> Self::Future2<'cx> + where + 's: 'cx; +} + +struct UseIter<FI1, FI2> { + fi_1: FI1, + fi_2: FI2, +} + +impl<FI1, FI2> IterCaller for UseIter<FI1, FI2> +where + FI1: FutureIterator + 'static + Send + Sync, + for<'s, 'cx> FI1::Future<'s, 'cx>: Send, + FI2: FutureIterator + 'static + Send + Sync, +{ + type Future1<'cx> = impl Future<Output = ()> + Send + 'cx + where + Self: 'cx; + + type Future2<'cx> = impl Future<Output = ()> + Send + 'cx + where + Self: 'cx; + + fn call_1<'s, 'cx>(&'s self, cx: &'cx ()) -> Self::Future1<'cx> + where + 's: 'cx, + { + async { + self.fi_1.get_iter(cx).await; + } + } + + fn call_2<'s, 'cx>(&'s self, cx: &'cx ()) -> Self::Future2<'cx> + where + 's: 'cx, + { + async { + self.fi_2.get_iter(cx).await; + } + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-4.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-4.no_assumptions.stderr new file mode 100644 index 00000000000..5aa5b83655a --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-4.no_assumptions.stderr @@ -0,0 +1,10 @@ +error: higher-ranked lifetime error + --> $DIR/higher-ranked-auto-trait-4.rs:29:5 + | +LL | / async { +LL | | let _ = evil_function::<dyn BoringTrait, _>().await; +LL | | } + | |_____^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-4.rs b/tests/ui/async-await/higher-ranked-auto-trait-4.rs new file mode 100644 index 00000000000..0586af41e9e --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-4.rs @@ -0,0 +1,34 @@ +// Repro for <https://github.com/rust-lang/rust/issues/102211#issuecomment-2891975128>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::future::Future; + +trait BoringTrait {} + +trait TraitWithAssocType<I> { + type Assoc; +} + +impl<T> TraitWithAssocType<()> for T +where + T: ?Sized + 'static, +{ + type Assoc = (); +} + +fn evil_function<T: TraitWithAssocType<I> + ?Sized, I>() +-> impl Future<Output = Result<(), T::Assoc>> { + async { Ok(()) } +} + +fn fails_to_compile() -> impl std::future::Future<Output = ()> + Send { + async { + let _ = evil_function::<dyn BoringTrait, _>().await; + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-5.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-5.no_assumptions.stderr new file mode 100644 index 00000000000..8fa3c7483c8 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-5.no_assumptions.stderr @@ -0,0 +1,13 @@ +error: implementation of `Send` is not general enough + --> $DIR/higher-ranked-auto-trait-5.rs:13:5 + | +LL | / assert_send(async { +LL | | call_me.call().await; +LL | | }); + | |______^ implementation of `Send` is not general enough + | + = note: `Send` would have to be implemented for the type `&'0 str`, for any lifetime `'0`... + = note: ...but `Send` is actually implemented for the type `&'1 str`, for some specific lifetime `'1` + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-5.rs b/tests/ui/async-await/higher-ranked-auto-trait-5.rs new file mode 100644 index 00000000000..9a8b3f4357c --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-5.rs @@ -0,0 +1,54 @@ +// Repro for <https://github.com/rust-lang/rust/issues/130113#issue-2512517191>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::future::Future; + +fn main() { + let call_me = Wrap(CallMeImpl { value: "test" }); + + assert_send(async { + call_me.call().await; + }); +} + +pub fn assert_send<F>(_future: F) +where + F: Future + Send, +{ +} + +pub trait CallMe { + fn call(&self) -> impl Future<Output = ()> + Send; +} + +struct Wrap<T>(T); + +impl<S> CallMe for Wrap<S> +where + S: CallMe + Send, +{ + // adding `+ Send` to this RPIT fixes the issue + fn call(&self) -> impl Future<Output = ()> { + self.0.call() + } +} + +#[derive(Debug, Clone, Copy)] +pub struct CallMeImpl<T> { + value: T, +} + +impl<T> CallMe for CallMeImpl<T> +where + // Can replace `Send` by `ToString`, `Clone`, whatever. When removing the + // `Send` bound, the compiler produces a higher-ranked lifetime error. + T: Send + 'static, +{ + fn call(&self) -> impl Future<Output = ()> { + async {} + } +} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-6.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-6.no_assumptions.stderr new file mode 100644 index 00000000000..d1f2d9a0753 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-6.no_assumptions.stderr @@ -0,0 +1,50 @@ +error[E0308]: mismatched types + --> $DIR/higher-ranked-auto-trait-6.rs:16:5 + | +LL | Box::new(async { new(|| async { f().await }).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other + | + = note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + found `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object + +error[E0308]: mismatched types + --> $DIR/higher-ranked-auto-trait-6.rs:16:5 + | +LL | Box::new(async { new(|| async { f().await }).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other + | + = note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + found `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0308]: mismatched types + --> $DIR/higher-ranked-auto-trait-6.rs:16:5 + | +LL | Box::new(async { new(|| async { f().await }).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other + | + = note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + found `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error[E0308]: mismatched types + --> $DIR/higher-ranked-auto-trait-6.rs:16:5 + | +LL | Box::new(async { new(|| async { f().await }).await }) + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ one type is more general than the other + | + = note: expected `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + found `async` block `{async block@$DIR/higher-ranked-auto-trait-6.rs:16:29: 16:34}` + = note: no two async blocks, even if identical, have the same type + = help: consider pinning your async block and casting it to a trait object + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/async-await/higher-ranked-auto-trait-6.rs b/tests/ui/async-await/higher-ranked-auto-trait-6.rs new file mode 100644 index 00000000000..2c6adf8938d --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-6.rs @@ -0,0 +1,59 @@ +// Repro for <https://github.com/rust-lang/rust/issues/82921#issue-825114180>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use core::future::Future; +use core::marker::PhantomData; +use core::pin::Pin; +use core::task::{Context, Poll}; + +async fn f() {} + +pub fn fail<'a>() -> Box<dyn Future<Output = ()> + Send + 'a> { + Box::new(async { new(|| async { f().await }).await }) +} + +fn new<A, B>(_a: A) -> F<A, B> +where + A: Fn() -> B, +{ + F { _i: PhantomData } +} + +trait Stream { + type Item; +} + +struct T<A, B> { + _a: PhantomData<A>, + _b: PhantomData<B>, +} + +impl<A, B> Stream for T<A, B> +where + A: Fn() -> B, +{ + type Item = B; +} + +struct F<A, B> +where + A: Fn() -> B, +{ + _i: PhantomData<<T<A, B> as Stream>::Item>, +} + +impl<A, B> Future for F<A, B> +where + A: Fn() -> B, +{ + type Output = (); + fn poll(self: Pin<&mut Self>, _cx: &mut Context) -> Poll<Self::Output> { + unimplemented!() + } +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-7.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-7.no_assumptions.stderr new file mode 100644 index 00000000000..dcb8075566e --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-7.no_assumptions.stderr @@ -0,0 +1,8 @@ +error: `S` does not live long enough + --> $DIR/higher-ranked-auto-trait-7.rs:26:5 + | +LL | future::<'a, S, _>(async move { + | ^^^^^^^^^^^^^^^^^^ + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-7.rs b/tests/ui/async-await/higher-ranked-auto-trait-7.rs new file mode 100644 index 00000000000..abded5a88d3 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-7.rs @@ -0,0 +1,33 @@ +// Repro for <https://github.com/rust-lang/rust/issues/90696#issuecomment-963375847>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +#![allow(dropping_copy_types)] + +use std::{future::Future, marker::PhantomData}; + +trait Trait { + type Associated<'a>: Send + where + Self: 'a; +} + +fn future<'a, S: Trait + 'a, F>(f: F) -> F +where + F: Future<Output = ()> + Send, +{ + f +} + +fn foo<'a, S: Trait + 'a>() { + future::<'a, S, _>(async move { + let result: PhantomData<S::Associated<'a>> = PhantomData; + async {}.await; + drop(result); + }); +} + +fn main() {} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-8.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-8.no_assumptions.stderr new file mode 100644 index 00000000000..6208675117b --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-8.no_assumptions.stderr @@ -0,0 +1,10 @@ +error: higher-ranked lifetime error + --> $DIR/higher-ranked-auto-trait-8.rs:26:5 + | +LL | needs_send(use_my_struct(second_struct)); // ERROR + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: could not prove `impl Future<Output = ()>: Send` + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-8.rs b/tests/ui/async-await/higher-ranked-auto-trait-8.rs new file mode 100644 index 00000000000..91cef204e44 --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-8.rs @@ -0,0 +1,27 @@ +// Repro for <https://github.com/rust-lang/rust/issues/64552#issuecomment-532801232>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +fn needs_send<T: Send>(_val: T) {} +async fn use_async<T>(_val: T) {} + +struct MyStruct<'a, T: 'a> { + val: &'a T, +} + +unsafe impl<'a, T: 'a> Send for MyStruct<'a, T> {} + +async fn use_my_struct(val: MyStruct<'static, &'static u8>) { + use_async(val).await; +} + +fn main() { + let first_struct: MyStruct<'static, &'static u8> = MyStruct { val: &&26 }; + let second_struct: MyStruct<'static, &'static u8> = MyStruct { val: &&27 }; + + needs_send(first_struct); + needs_send(use_my_struct(second_struct)); // ERROR +} diff --git a/tests/ui/async-await/higher-ranked-auto-trait-9.no_assumptions.stderr b/tests/ui/async-await/higher-ranked-auto-trait-9.no_assumptions.stderr new file mode 100644 index 00000000000..809cbcf0cad --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-9.no_assumptions.stderr @@ -0,0 +1,11 @@ +error: implementation of `Debug` is not general enough + --> $DIR/higher-ranked-auto-trait-9.rs:43:50 + | +LL | let fut: &(dyn Future<Output = ()> + Send) = &fut as _; + | ^^^^^^^^^ implementation of `Debug` is not general enough + | + = note: `(dyn Any + '0)` must implement `Debug`, for any lifetime `'0`... + = note: ...but `Debug` is actually implemented for the type `(dyn Any + 'static)` + +error: aborting due to 1 previous error + diff --git a/tests/ui/async-await/higher-ranked-auto-trait-9.rs b/tests/ui/async-await/higher-ranked-auto-trait-9.rs new file mode 100644 index 00000000000..66edbf23f2b --- /dev/null +++ b/tests/ui/async-await/higher-ranked-auto-trait-9.rs @@ -0,0 +1,44 @@ +// Repro for <https://github.com/rust-lang/rust/issues/87425#issue-952059416>. +//@ edition: 2021 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::any::Any; +use std::fmt; +use std::future::Future; + +pub trait Foo { + type Item; +} + +impl<F, I> Foo for F +where + Self: FnOnce() -> I, + I: fmt::Debug, +{ + type Item = I; +} + +async fn foo_item<F: Foo>(_: F) -> F::Item { + unimplemented!() +} + +fn main() { + let fut = async { + let callback = || -> Box<dyn Any> { unimplemented!() }; + + // Using plain fn instead of a closure fixes the error, + // though you obviously can't capture any state... + // fn callback() -> Box<dyn Any> { + // todo!() + // } + + foo_item(callback).await; + }; + + // Removing `+ Send` bound also fixes the error, + // though at the cost of loosing `Send`ability... + let fut: &(dyn Future<Output = ()> + Send) = &fut as _; +} diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.stderr b/tests/ui/async-await/return-type-notation/issue-110963-early.no_assumptions.stderr index d6c3bd12aee..bb436364924 100644 --- a/tests/ui/async-await/return-type-notation/issue-110963-early.stderr +++ b/tests/ui/async-await/return-type-notation/issue-110963-early.no_assumptions.stderr @@ -1,5 +1,5 @@ error: implementation of `Send` is not general enough - --> $DIR/issue-110963-early.rs:14:5 + --> $DIR/issue-110963-early.rs:17:5 | LL | / spawn(async move { LL | | let mut hc = hc; @@ -13,7 +13,7 @@ LL | | }); = note: ...but `Send` is actually implemented for the type `impl Future<Output = bool> { <HC as HealthCheck>::check<'2>(..) }`, for some specific lifetime `'2` error: implementation of `Send` is not general enough - --> $DIR/issue-110963-early.rs:14:5 + --> $DIR/issue-110963-early.rs:17:5 | LL | / spawn(async move { LL | | let mut hc = hc; diff --git a/tests/ui/async-await/return-type-notation/issue-110963-early.rs b/tests/ui/async-await/return-type-notation/issue-110963-early.rs index 46b8fbf6f86..8c3180c0119 100644 --- a/tests/ui/async-await/return-type-notation/issue-110963-early.rs +++ b/tests/ui/async-await/return-type-notation/issue-110963-early.rs @@ -1,5 +1,8 @@ //@ edition: 2021 -//@ known-bug: #110963 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 #![feature(return_type_notation)] diff --git a/tests/ui/attributes/malformed-attrs.stderr b/tests/ui/attributes/malformed-attrs.stderr index 56f2be353e7..0d0c338d302 100644 --- a/tests/ui/attributes/malformed-attrs.stderr +++ b/tests/ui/attributes/malformed-attrs.stderr @@ -37,19 +37,6 @@ error: malformed `crate_name` attribute input LL | #[crate_name] | ^^^^^^^^^^^^^ help: must be of the form: `#[crate_name = "name"]` -error: malformed `coverage` attribute input - --> $DIR/malformed-attrs.rs:90:1 - | -LL | #[coverage] - | ^^^^^^^^^^^ - | -help: the following are the possible correct uses - | -LL | #[coverage(off)] - | +++++ -LL | #[coverage(on)] - | ++++ - error: malformed `no_sanitize` attribute input --> $DIR/malformed-attrs.rs:92:1 | @@ -460,6 +447,19 @@ error[E0539]: malformed `link_section` attribute input LL | #[link_section] | ^^^^^^^^^^^^^^^ help: must be of the form: `#[link_section = "name"]` +error[E0539]: malformed `coverage` attribute input + --> $DIR/malformed-attrs.rs:90:1 + | +LL | #[coverage] + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument + | +help: try changing it to one of the following valid forms of the attribute + | +LL | #[coverage(off)] + | +++++ +LL | #[coverage(on)] + | ++++ + error[E0565]: malformed `no_implicit_prelude` attribute input --> $DIR/malformed-attrs.rs:97:1 | diff --git a/tests/ui/consts/const-compare-bytes-ub.rs b/tests/ui/consts/const-compare-bytes-ub.rs index 0bc8585a4ee..7e3df92a2bf 100644 --- a/tests/ui/consts/const-compare-bytes-ub.rs +++ b/tests/ui/consts/const-compare-bytes-ub.rs @@ -1,6 +1,6 @@ //@ check-fail -#![feature(core_intrinsics)] +#![feature(core_intrinsics, const_cmp)] use std::intrinsics::compare_bytes; use std::mem::MaybeUninit; diff --git a/tests/ui/consts/const-compare-bytes.rs b/tests/ui/consts/const-compare-bytes.rs index cd5cdfd0400..9563375555c 100644 --- a/tests/ui/consts/const-compare-bytes.rs +++ b/tests/ui/consts/const-compare-bytes.rs @@ -1,6 +1,6 @@ //@ run-pass -#![feature(core_intrinsics)] +#![feature(core_intrinsics, const_cmp)] use std::intrinsics::compare_bytes; fn main() { diff --git a/tests/ui/consts/const-eval/auxiliary/stability.rs b/tests/ui/consts/const-eval/auxiliary/stability.rs index e6159551860..48ced3bc51e 100644 --- a/tests/ui/consts/const-eval/auxiliary/stability.rs +++ b/tests/ui/consts/const-eval/auxiliary/stability.rs @@ -1,10 +1,11 @@ // Crate that exports a const fn. Used for testing cross-crate. -#![crate_type="rlib"] +#![crate_type = "rlib"] #![stable(feature = "rust1", since = "1.0.0")] - #![feature(staged_api)] #[stable(feature = "rust1", since = "1.0.0")] -#[rustc_const_unstable(feature="foo", issue = "none")] -pub const fn foo() -> u32 { 42 } +#[rustc_const_unstable(feature = "foo", issue = "none")] +pub const fn foo() -> u32 { + 42 +} diff --git a/tests/ui/coroutine/clone-impl.rs b/tests/ui/coroutine/clone-impl.rs index b07fad18aee..e528f031d52 100644 --- a/tests/ui/coroutine/clone-impl.rs +++ b/tests/ui/coroutine/clone-impl.rs @@ -38,39 +38,40 @@ fn test2() { check_clone(&gen_copy_1); } -fn test3() { +fn test3_upvars() { let clonable_0: Vec<u32> = Vec::new(); let gen_clone_0 = #[coroutine] move || { - let v = vec!['a']; - yield; - drop(v); drop(clonable_0); }; check_copy(&gen_clone_0); //~^ ERROR the trait bound `Vec<u32>: Copy` is not satisfied - //~| ERROR the trait bound `Vec<char>: Copy` is not satisfied check_clone(&gen_clone_0); } +fn test3_witness() { + let gen_clone_1 = #[coroutine] + move || { + let v = vec!['a']; + yield; + drop(v); + }; + check_copy(&gen_clone_1); + //~^ ERROR the trait bound `Vec<char>: Copy` is not satisfied + check_clone(&gen_clone_1); +} + fn test4() { let clonable_1: Vec<u32> = Vec::new(); let gen_clone_1 = #[coroutine] move || { - let v = vec!['a']; - /* - let n = NonClone; - drop(n); - */ yield; let n = NonClone; drop(n); - drop(v); drop(clonable_1); }; check_copy(&gen_clone_1); //~^ ERROR the trait bound `Vec<u32>: Copy` is not satisfied - //~| ERROR the trait bound `Vec<char>: Copy` is not satisfied check_clone(&gen_clone_1); } diff --git a/tests/ui/coroutine/clone-impl.stderr b/tests/ui/coroutine/clone-impl.stderr index ed933fe784e..714e5aa3d9e 100644 --- a/tests/ui/coroutine/clone-impl.stderr +++ b/tests/ui/coroutine/clone-impl.stderr @@ -1,104 +1,59 @@ error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}` - --> $DIR/clone-impl.rs:50:5 + --> $DIR/clone-impl.rs:47:16 | LL | move || { | ------- within this `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}` ... LL | check_copy(&gen_clone_0); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}`, the trait `Copy` is not implemented for `Vec<u32>` + | ^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}`, the trait `Copy` is not implemented for `Vec<u32>` | note: captured value does not implement `Copy` - --> $DIR/clone-impl.rs:48:14 + --> $DIR/clone-impl.rs:45:14 | LL | drop(clonable_0); | ^^^^^^^^^^ has type `Vec<u32>` which does not implement `Copy` note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:90:18 + --> $DIR/clone-impl.rs:91:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}` - --> $DIR/clone-impl.rs:50:5 +error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:67:5: 67:12}` + --> $DIR/clone-impl.rs:73:16 | LL | move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}` -... -LL | check_copy(&gen_clone_0); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:44:5: 44:12}`, the trait `Copy` is not implemented for `Vec<char>` - | -note: coroutine does not implement `Copy` as this value is used across a yield - --> $DIR/clone-impl.rs:46:9 - | -LL | let v = vec!['a']; - | - has type `Vec<char>` which does not implement `Copy` -LL | yield; - | ^^^^^ yield occurs here, with `v` maybe used later -note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:90:18 - | -LL | fn check_copy<T: Copy>(_x: &T) {} - | ^^^^ required by this bound in `check_copy` - -error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:59:5: 59:12}` - --> $DIR/clone-impl.rs:71:5 - | -LL | move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:59:5: 59:12}` + | ------- within this `{coroutine@$DIR/clone-impl.rs:67:5: 67:12}` ... LL | check_copy(&gen_clone_1); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:59:5: 59:12}`, the trait `Copy` is not implemented for `Vec<u32>` + | ^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:67:5: 67:12}`, the trait `Copy` is not implemented for `Vec<u32>` | note: captured value does not implement `Copy` - --> $DIR/clone-impl.rs:69:14 + --> $DIR/clone-impl.rs:71:14 | LL | drop(clonable_1); | ^^^^^^^^^^ has type `Vec<u32>` which does not implement `Copy` note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:90:18 - | -LL | fn check_copy<T: Copy>(_x: &T) {} - | ^^^^ required by this bound in `check_copy` - -error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:59:5: 59:12}` - --> $DIR/clone-impl.rs:71:5 - | -LL | move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:59:5: 59:12}` -... -LL | check_copy(&gen_clone_1); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:59:5: 59:12}`, the trait `Copy` is not implemented for `Vec<char>` - | -note: coroutine does not implement `Copy` as this value is used across a yield - --> $DIR/clone-impl.rs:65:9 - | -LL | let v = vec!['a']; - | - has type `Vec<char>` which does not implement `Copy` -... -LL | yield; - | ^^^^^ yield occurs here, with `v` maybe used later -note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:90:18 + --> $DIR/clone-impl.rs:91:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `NonClone: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:80:5: 80:12}` - --> $DIR/clone-impl.rs:84:5 +error[E0277]: the trait bound `NonClone: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:81:5: 81:12}` + --> $DIR/clone-impl.rs:85:16 | LL | move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:80:5: 80:12}` + | ------- within this `{coroutine@$DIR/clone-impl.rs:81:5: 81:12}` ... LL | check_copy(&gen_non_clone); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:80:5: 80:12}`, the trait `Copy` is not implemented for `NonClone` + | ^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:81:5: 81:12}`, the trait `Copy` is not implemented for `NonClone` | note: captured value does not implement `Copy` - --> $DIR/clone-impl.rs:82:14 + --> $DIR/clone-impl.rs:83:14 | LL | drop(non_clonable); | ^^^^^^^^^^^^ has type `NonClone` which does not implement `Copy` note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:90:18 + --> $DIR/clone-impl.rs:91:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` @@ -108,22 +63,22 @@ LL + #[derive(Copy)] LL | struct NonClone; | -error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `{coroutine@$DIR/clone-impl.rs:80:5: 80:12}` - --> $DIR/clone-impl.rs:86:5 +error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `{coroutine@$DIR/clone-impl.rs:81:5: 81:12}` + --> $DIR/clone-impl.rs:87:17 | LL | move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:80:5: 80:12}` + | ------- within this `{coroutine@$DIR/clone-impl.rs:81:5: 81:12}` ... LL | check_clone(&gen_non_clone); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:80:5: 80:12}`, the trait `Clone` is not implemented for `NonClone` + | ^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:81:5: 81:12}`, the trait `Clone` is not implemented for `NonClone` | note: captured value does not implement `Clone` - --> $DIR/clone-impl.rs:82:14 + --> $DIR/clone-impl.rs:83:14 | LL | drop(non_clonable); | ^^^^^^^^^^^^ has type `NonClone` which does not implement `Clone` note: required by a bound in `check_clone` - --> $DIR/clone-impl.rs:91:19 + --> $DIR/clone-impl.rs:92:19 | LL | fn check_clone<T: Clone>(_x: &T) {} | ^^^^^ required by this bound in `check_clone` @@ -133,6 +88,28 @@ LL + #[derive(Clone)] LL | struct NonClone; | -error: aborting due to 6 previous errors +error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:54:5: 54:12}` + --> $DIR/clone-impl.rs:59:5 + | +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:54:5: 54:12}` +... +LL | check_copy(&gen_clone_1); + | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:54:5: 54:12}`, the trait `Copy` is not implemented for `Vec<char>` + | +note: coroutine does not implement `Copy` as this value is used across a yield + --> $DIR/clone-impl.rs:56:9 + | +LL | let v = vec!['a']; + | - has type `Vec<char>` which does not implement `Copy` +LL | yield; + | ^^^^^ yield occurs here, with `v` maybe used later +note: required by a bound in `check_copy` + --> $DIR/clone-impl.rs:91:18 + | +LL | fn check_copy<T: Copy>(_x: &T) {} + | ^^^^ required by this bound in `check_copy` + +error: aborting due to 5 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr index 2f9f20cf1ff..4a1e5b078a8 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr +++ b/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr @@ -11,7 +11,7 @@ LL | | }; | |_____^ expected `()`, found coroutine | = note: expected unit type `()` - found coroutine `{main::{closure#0} upvar_tys=?4t resume_ty=() yield_ty=i32 return_ty=&'?1 str witness=?6t}` + found coroutine `{main::{closure#0} upvar_tys=?4t resume_ty=() yield_ty=i32 return_ty=&'?1 str witness={main::{closure#0}}}` error: aborting due to 1 previous error diff --git a/tests/ui/coverage-attr/bad-attr-ice.feat.stderr b/tests/ui/coverage-attr/bad-attr-ice.feat.stderr index dc84394fe3c..5a003af42da 100644 --- a/tests/ui/coverage-attr/bad-attr-ice.feat.stderr +++ b/tests/ui/coverage-attr/bad-attr-ice.feat.stderr @@ -1,10 +1,10 @@ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/bad-attr-ice.rs:11:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ @@ -13,3 +13,4 @@ LL | #[coverage(on)] error: aborting due to 1 previous error +For more information about this error, try `rustc --explain E0539`. diff --git a/tests/ui/coverage-attr/bad-attr-ice.nofeat.stderr b/tests/ui/coverage-attr/bad-attr-ice.nofeat.stderr index 49b8974bfdf..4501e5e9dc8 100644 --- a/tests/ui/coverage-attr/bad-attr-ice.nofeat.stderr +++ b/tests/ui/coverage-attr/bad-attr-ice.nofeat.stderr @@ -1,26 +1,27 @@ -error: malformed `coverage` attribute input +error[E0658]: the `#[coverage]` attribute is an experimental feature --> $DIR/bad-attr-ice.rs:11:1 | LL | #[coverage] | ^^^^^^^^^^^ | -help: the following are the possible correct uses - | -LL | #[coverage(off)] - | +++++ -LL | #[coverage(on)] - | ++++ + = note: see issue #84605 <https://github.com/rust-lang/rust/issues/84605> for more information + = help: add `#![feature(coverage_attribute)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error[E0658]: the `#[coverage]` attribute is an experimental feature +error[E0539]: malformed `coverage` attribute input --> $DIR/bad-attr-ice.rs:11:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | - = note: see issue #84605 <https://github.com/rust-lang/rust/issues/84605> for more information - = help: add `#![feature(coverage_attribute)]` to the crate attributes to enable - = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date +help: try changing it to one of the following valid forms of the attribute + | +LL | #[coverage(off)] + | +++++ +LL | #[coverage(on)] + | ++++ error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0539, E0658. +For more information about an error, try `rustc --explain E0539`. diff --git a/tests/ui/coverage-attr/bad-syntax.stderr b/tests/ui/coverage-attr/bad-syntax.stderr index fa500b54209..927f61da08d 100644 --- a/tests/ui/coverage-attr/bad-syntax.stderr +++ b/tests/ui/coverage-attr/bad-syntax.stderr @@ -1,23 +1,59 @@ -error: malformed `coverage` attribute input +error: expected identifier, found `,` + --> $DIR/bad-syntax.rs:44:12 + | +LL | #[coverage(,off)] + | ^ expected identifier + | +help: remove this comma + | +LL - #[coverage(,off)] +LL + #[coverage(off)] + | + +error: multiple `coverage` attributes + --> $DIR/bad-syntax.rs:9:1 + | +LL | #[coverage(off)] + | ^^^^^^^^^^^^^^^^ help: remove this attribute + | +note: attribute also specified here + --> $DIR/bad-syntax.rs:10:1 + | +LL | #[coverage(off)] + | ^^^^^^^^^^^^^^^^ + +error: multiple `coverage` attributes + --> $DIR/bad-syntax.rs:13:1 + | +LL | #[coverage(off)] + | ^^^^^^^^^^^^^^^^ help: remove this attribute + | +note: attribute also specified here + --> $DIR/bad-syntax.rs:14:1 + | +LL | #[coverage(on)] + | ^^^^^^^^^^^^^^^ + +error[E0539]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:17:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:20:1 | LL | #[coverage = true] - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = true] LL + #[coverage(off)] @@ -26,26 +62,30 @@ LL - #[coverage = true] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0805]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:23:1 | LL | #[coverage()] - | ^^^^^^^^^^^^^ + | ^^^^^^^^^^--^ + | | + | expected a single argument here | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++ LL | #[coverage(on)] | ++ -error: malformed `coverage` attribute input +error[E0805]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:26:1 | LL | #[coverage(off, off)] - | ^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^----------^ + | | + | expected a single argument here | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(off, off)] LL + #[coverage(off)] @@ -54,13 +94,15 @@ LL - #[coverage(off, off)] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0805]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:29:1 | LL | #[coverage(off, on)] - | ^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^---------^ + | | + | expected a single argument here | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(off, on)] LL + #[coverage(off)] @@ -69,13 +111,15 @@ LL - #[coverage(off, on)] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:32:1 | LL | #[coverage(bogus)] - | ^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^-----^^ + | | + | valid arguments are `on` or `off` | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(bogus)] LL + #[coverage(off)] @@ -84,13 +128,15 @@ LL - #[coverage(bogus)] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0805]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:35:1 | LL | #[coverage(bogus, off)] - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^------------^ + | | + | expected a single argument here | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(bogus, off)] LL + #[coverage(off)] @@ -99,13 +145,15 @@ LL - #[coverage(bogus, off)] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0805]: malformed `coverage` attribute input --> $DIR/bad-syntax.rs:38:1 | LL | #[coverage(off, bogus)] - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^------------^ + | | + | expected a single argument here | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(off, bogus)] LL + #[coverage(off)] @@ -114,41 +162,7 @@ LL - #[coverage(off, bogus)] LL + #[coverage(on)] | -error: expected identifier, found `,` - --> $DIR/bad-syntax.rs:44:12 - | -LL | #[coverage(,off)] - | ^ expected identifier - | -help: remove this comma - | -LL - #[coverage(,off)] -LL + #[coverage(off)] - | - -error: multiple `coverage` attributes - --> $DIR/bad-syntax.rs:9:1 - | -LL | #[coverage(off)] - | ^^^^^^^^^^^^^^^^ help: remove this attribute - | -note: attribute also specified here - --> $DIR/bad-syntax.rs:10:1 - | -LL | #[coverage(off)] - | ^^^^^^^^^^^^^^^^ - -error: multiple `coverage` attributes - --> $DIR/bad-syntax.rs:13:1 - | -LL | #[coverage(off)] - | ^^^^^^^^^^^^^^^^ help: remove this attribute - | -note: attribute also specified here - --> $DIR/bad-syntax.rs:14:1 - | -LL | #[coverage(on)] - | ^^^^^^^^^^^^^^^ - error: aborting due to 11 previous errors +Some errors have detailed explanations: E0539, E0805. +For more information about an error, try `rustc --explain E0539`. diff --git a/tests/ui/coverage-attr/name-value.rs b/tests/ui/coverage-attr/name-value.rs index ffd9afe2ce1..8171dbbf692 100644 --- a/tests/ui/coverage-attr/name-value.rs +++ b/tests/ui/coverage-attr/name-value.rs @@ -20,7 +20,6 @@ mod my_mod_inner { #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input -//~| ERROR [E0788] struct MyStruct; #[coverage = "off"] @@ -28,22 +27,18 @@ struct MyStruct; impl MyStruct { #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] const X: u32 = 7; } #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input -//~| ERROR [E0788] trait MyTrait { #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] const X: u32; #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] type T; } @@ -52,12 +47,10 @@ trait MyTrait { impl MyTrait for MyStruct { #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] const X: u32 = 8; #[coverage = "off"] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] type T = (); } diff --git a/tests/ui/coverage-attr/name-value.stderr b/tests/ui/coverage-attr/name-value.stderr index f24db78415e..a838ec5df8e 100644 --- a/tests/ui/coverage-attr/name-value.stderr +++ b/tests/ui/coverage-attr/name-value.stderr @@ -1,10 +1,10 @@ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/name-value.rs:12:1 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -13,28 +13,28 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/name-value.rs:17:5 | LL | #![coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #![coverage = "off"] -LL + #![coverage(off)] +LL + #[coverage(off)] | LL - #![coverage = "off"] -LL + #![coverage(on)] +LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/name-value.rs:21:1 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -43,13 +43,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:26:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:25:1 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -58,13 +58,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:29:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:28:5 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -73,13 +73,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:35:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:33:1 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -88,13 +88,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:39:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:36:5 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -103,13 +103,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:44:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:40:5 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -118,13 +118,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:50:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:45:1 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -133,13 +133,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:53:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:48:5 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -148,13 +148,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:58:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:52:5 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -163,13 +163,13 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error: malformed `coverage` attribute input - --> $DIR/name-value.rs:64:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/name-value.rs:57:1 | LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage = "off"] LL + #[coverage(off)] @@ -178,87 +178,6 @@ LL - #[coverage = "off"] LL + #[coverage(on)] | -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:21:1 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | struct MyStruct; - | ---------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:35:1 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | / trait MyTrait { -LL | | #[coverage = "off"] -... | -LL | | type T; -LL | | } - | |_- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:39:5 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | const X: u32; - | ------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:44:5 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | type T; - | ------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:29:5 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | const X: u32 = 7; - | ----------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:53:5 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | const X: u32 = 8; - | ----------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/name-value.rs:58:5 - | -LL | #[coverage = "off"] - | ^^^^^^^^^^^^^^^^^^^ -... -LL | type T = (); - | ------------ not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error: aborting due to 19 previous errors +error: aborting due to 12 previous errors -For more information about this error, try `rustc --explain E0788`. +For more information about this error, try `rustc --explain E0539`. diff --git a/tests/ui/coverage-attr/subword.stderr b/tests/ui/coverage-attr/subword.stderr index a5d1a492181..32a09a10c84 100644 --- a/tests/ui/coverage-attr/subword.stderr +++ b/tests/ui/coverage-attr/subword.stderr @@ -1,10 +1,12 @@ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/subword.rs:8:1 | LL | #[coverage(yes(milord))] - | ^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^-----------^^ + | | + | valid arguments are `on` or `off` | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(yes(milord))] LL + #[coverage(off)] @@ -13,13 +15,15 @@ LL - #[coverage(yes(milord))] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/subword.rs:11:1 | LL | #[coverage(no(milord))] - | ^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^----------^^ + | | + | valid arguments are `on` or `off` | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(no(milord))] LL + #[coverage(off)] @@ -28,13 +32,15 @@ LL - #[coverage(no(milord))] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/subword.rs:14:1 | LL | #[coverage(yes = "milord")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^--------------^^ + | | + | valid arguments are `on` or `off` | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(yes = "milord")] LL + #[coverage(off)] @@ -43,13 +49,15 @@ LL - #[coverage(yes = "milord")] LL + #[coverage(on)] | -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/subword.rs:17:1 | LL | #[coverage(no = "milord")] - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ + | ^^^^^^^^^^^-------------^^ + | | + | valid arguments are `on` or `off` | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL - #[coverage(no = "milord")] LL + #[coverage(off)] @@ -60,3 +68,4 @@ LL + #[coverage(on)] error: aborting due to 4 previous errors +For more information about this error, try `rustc --explain E0539`. diff --git a/tests/ui/coverage-attr/word-only.rs b/tests/ui/coverage-attr/word-only.rs index d0f743938f3..81bd558b8b0 100644 --- a/tests/ui/coverage-attr/word-only.rs +++ b/tests/ui/coverage-attr/word-only.rs @@ -20,7 +20,6 @@ mod my_mod_inner { #[coverage] //~^ ERROR malformed `coverage` attribute input -//~| ERROR [E0788] struct MyStruct; #[coverage] @@ -28,22 +27,18 @@ struct MyStruct; impl MyStruct { #[coverage] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] const X: u32 = 7; } #[coverage] //~^ ERROR malformed `coverage` attribute input -//~| ERROR [E0788] trait MyTrait { #[coverage] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] const X: u32; #[coverage] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] type T; } @@ -52,12 +47,10 @@ trait MyTrait { impl MyTrait for MyStruct { #[coverage] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] const X: u32 = 8; #[coverage] //~^ ERROR malformed `coverage` attribute input - //~| ERROR [E0788] type T = (); } diff --git a/tests/ui/coverage-attr/word-only.stderr b/tests/ui/coverage-attr/word-only.stderr index 2773db9c857..dd161360a5c 100644 --- a/tests/ui/coverage-attr/word-only.stderr +++ b/tests/ui/coverage-attr/word-only.stderr @@ -1,240 +1,161 @@ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/word-only.rs:12:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/word-only.rs:17:5 | LL | #![coverage] - | ^^^^^^^^^^^^ + | ^^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute + | +LL - #![coverage] +LL + #[coverage(off)] + | +LL - #![coverage] +LL + #[coverage(on)] | -LL | #![coverage(off)] - | +++++ -LL | #![coverage(on)] - | ++++ -error: malformed `coverage` attribute input +error[E0539]: malformed `coverage` attribute input --> $DIR/word-only.rs:21:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:26:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:25:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:29:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:28:5 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:35:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:33:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:39:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:36:5 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:44:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:40:5 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:50:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:45:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:53:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:48:5 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:58:5 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:52:5 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error: malformed `coverage` attribute input - --> $DIR/word-only.rs:64:1 +error[E0539]: malformed `coverage` attribute input + --> $DIR/word-only.rs:57:1 | LL | #[coverage] - | ^^^^^^^^^^^ + | ^^^^^^^^^^^ this attribute is only valid with either `on` or `off` as an argument | -help: the following are the possible correct uses +help: try changing it to one of the following valid forms of the attribute | LL | #[coverage(off)] | +++++ LL | #[coverage(on)] | ++++ -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:21:1 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | struct MyStruct; - | ---------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:35:1 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | / trait MyTrait { -LL | | #[coverage] -... | -LL | | type T; -LL | | } - | |_- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:39:5 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | const X: u32; - | ------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:44:5 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | type T; - | ------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:29:5 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | const X: u32 = 7; - | ----------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:53:5 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | const X: u32 = 8; - | ----------------- not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error[E0788]: coverage attribute not allowed here - --> $DIR/word-only.rs:58:5 - | -LL | #[coverage] - | ^^^^^^^^^^^ -... -LL | type T = (); - | ------------ not a function, impl block, or module - | - = help: coverage attribute can be applied to a function (with body), impl block, or module - -error: aborting due to 19 previous errors +error: aborting due to 12 previous errors -For more information about this error, try `rustc --explain E0788`. +For more information about this error, try `rustc --explain E0539`. diff --git a/tests/ui/deduplicate-diagnostics.deduplicate.stderr b/tests/ui/diagnostic-flags/deduplicate-diagnostics.deduplicate.stderr index 5df2c687bdd..c0d568eb538 100644 --- a/tests/ui/deduplicate-diagnostics.deduplicate.stderr +++ b/tests/ui/diagnostic-flags/deduplicate-diagnostics.deduplicate.stderr @@ -1,11 +1,11 @@ error[E0452]: malformed lint attribute input - --> $DIR/deduplicate-diagnostics.rs:8:8 + --> $DIR/deduplicate-diagnostics.rs:10:8 | LL | #[deny("literal")] | ^^^^^^^^^ bad attribute argument error: cannot find derive macro `Unresolved` in this scope - --> $DIR/deduplicate-diagnostics.rs:4:10 + --> $DIR/deduplicate-diagnostics.rs:6:10 | LL | #[derive(Unresolved)] | ^^^^^^^^^^ diff --git a/tests/ui/deduplicate-diagnostics.duplicate.stderr b/tests/ui/diagnostic-flags/deduplicate-diagnostics.duplicate.stderr index 48e2ba7b86a..74d7066293f 100644 --- a/tests/ui/deduplicate-diagnostics.duplicate.stderr +++ b/tests/ui/diagnostic-flags/deduplicate-diagnostics.duplicate.stderr @@ -1,17 +1,17 @@ error[E0452]: malformed lint attribute input - --> $DIR/deduplicate-diagnostics.rs:8:8 + --> $DIR/deduplicate-diagnostics.rs:10:8 | LL | #[deny("literal")] | ^^^^^^^^^ bad attribute argument error: cannot find derive macro `Unresolved` in this scope - --> $DIR/deduplicate-diagnostics.rs:4:10 + --> $DIR/deduplicate-diagnostics.rs:6:10 | LL | #[derive(Unresolved)] | ^^^^^^^^^^ error: cannot find derive macro `Unresolved` in this scope - --> $DIR/deduplicate-diagnostics.rs:4:10 + --> $DIR/deduplicate-diagnostics.rs:6:10 | LL | #[derive(Unresolved)] | ^^^^^^^^^^ @@ -19,7 +19,7 @@ LL | #[derive(Unresolved)] = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0452]: malformed lint attribute input - --> $DIR/deduplicate-diagnostics.rs:8:8 + --> $DIR/deduplicate-diagnostics.rs:10:8 | LL | #[deny("literal")] | ^^^^^^^^^ bad attribute argument @@ -27,7 +27,7 @@ LL | #[deny("literal")] = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` error[E0452]: malformed lint attribute input - --> $DIR/deduplicate-diagnostics.rs:8:8 + --> $DIR/deduplicate-diagnostics.rs:10:8 | LL | #[deny("literal")] | ^^^^^^^^^ bad attribute argument diff --git a/tests/ui/deduplicate-diagnostics.rs b/tests/ui/diagnostic-flags/deduplicate-diagnostics.rs index 299c1f5f461..48705266e35 100644 --- a/tests/ui/deduplicate-diagnostics.rs +++ b/tests/ui/diagnostic-flags/deduplicate-diagnostics.rs @@ -1,3 +1,5 @@ +//! Test that `-Z deduplicate-diagnostics` flag properly deduplicates diagnostic messages. + //@ revisions: duplicate deduplicate //@[deduplicate] compile-flags: -Z deduplicate-diagnostics=yes diff --git a/tests/ui/error-codes/E0120.rs b/tests/ui/error-codes/E0120.rs index 35f544fddfb..4e5cc7d6833 100644 --- a/tests/ui/error-codes/E0120.rs +++ b/tests/ui/error-codes/E0120.rs @@ -1,4 +1,4 @@ -trait MyTrait { fn foo() {} } +trait MyTrait { fn foo(&self) {} } impl Drop for dyn MyTrait { //~^ ERROR E0120 diff --git a/tests/ui/expr/syntax-edge-cases-lint-clean.rs b/tests/ui/expr/weird-exprs.rs index 7db92d46067..7db92d46067 100644 --- a/tests/ui/expr/syntax-edge-cases-lint-clean.rs +++ b/tests/ui/expr/weird-exprs.rs diff --git a/tests/ui/log-poly.rs b/tests/ui/fmt/println-debug-different-types.rs index 64994a55817..9e21be1f03f 100644 --- a/tests/ui/log-poly.rs +++ b/tests/ui/fmt/println-debug-different-types.rs @@ -1,8 +1,10 @@ +//! Smoke test for println!() with debug format specifiers. + //@ run-pass #[derive(Debug)] enum Numbers { - Three + Three, } pub fn main() { diff --git a/tests/ui/generic-associated-types/bugs/issue-100013.stderr b/tests/ui/generic-associated-types/bugs/issue-100013.stderr deleted file mode 100644 index ff82aebfef9..00000000000 --- a/tests/ui/generic-associated-types/bugs/issue-100013.stderr +++ /dev/null @@ -1,48 +0,0 @@ -error: lifetime bound not satisfied - --> $DIR/issue-100013.rs:15:5 - | -LL | / async { // a coroutine checked for autotrait impl `Send` -LL | | let x = None::<I::Future<'_, '_>>; // a type referencing GAT -LL | | async {}.await; // a yield point -LL | | } - | |_____^ - | - = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) - -error: lifetime bound not satisfied - --> $DIR/issue-100013.rs:22:5 - | -LL | / async { // a coroutine checked for autotrait impl `Send` -LL | | let x = None::<I::Future<'a, 'b>>; // a type referencing GAT -LL | | async {}.await; // a yield point -LL | | } - | |_____^ - | - = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) - -error: lifetime may not live long enough - --> $DIR/issue-100013.rs:23:17 - | -LL | fn call2<'a, 'b, I: FutureIterator>() -> impl Send { - | -- -- lifetime `'b` defined here - | | - | lifetime `'a` defined here -LL | async { // a coroutine checked for autotrait impl `Send` -LL | let x = None::<I::Future<'a, 'b>>; // a type referencing GAT - | ^^^^^^^^^^^^^^^^^^^^^^^^^ requires that `'a` must outlive `'b` - | - = help: consider adding the following bound: `'a: 'b` - -error: lifetime bound not satisfied - --> $DIR/issue-100013.rs:29:5 - | -LL | / async { // a coroutine checked for autotrait impl `Send` -LL | | let x = None::<I::Future<'a, 'b>>; // a type referencing GAT -LL | | async {}.await; // a yield point -LL | | } - | |_____^ - | - = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) - -error: aborting due to 4 previous errors - diff --git a/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives-2.no_assumptions.stderr b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives-2.no_assumptions.stderr new file mode 100644 index 00000000000..8b62fb6a254 --- /dev/null +++ b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives-2.no_assumptions.stderr @@ -0,0 +1,24 @@ +error: lifetime bound not satisfied + --> $DIR/higher-ranked-coroutine-param-outlives-2.rs:14:5 + | +LL | / async { // a coroutine checked for autotrait impl `Send` +LL | | let x = None::<I::Future<'_, '_>>; // a type referencing GAT +LL | | async {}.await; // a yield point +LL | | } + | |_____^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + +error: lifetime bound not satisfied + --> $DIR/higher-ranked-coroutine-param-outlives-2.rs:21:5 + | +LL | / async { // a coroutine checked for autotrait impl `Send` +LL | | let x = None::<I::Future<'a, 'b>>; // a type referencing GAT +LL | | async {}.await; // a yield point +LL | | } + | |_____^ + | + = note: this is a known limitation that will be removed in the future (see issue #100013 <https://github.com/rust-lang/rust/issues/100013> for more information) + +error: aborting due to 2 previous errors + diff --git a/tests/ui/generic-associated-types/bugs/issue-100013.rs b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives-2.rs index ac72c29c03b..a5ed162d62c 100644 --- a/tests/ui/generic-associated-types/bugs/issue-100013.rs +++ b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives-2.rs @@ -1,9 +1,8 @@ -//@ check-fail -//@ known-bug: #100013 //@ edition: 2021 - -// We really should accept this, but we need implied bounds between the regions -// in a coroutine interior. +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 pub trait FutureIterator { type Future<'s, 'cx>: Send @@ -18,14 +17,7 @@ fn call<I: FutureIterator>() -> impl Send { } } -fn call2<'a, 'b, I: FutureIterator>() -> impl Send { - async { // a coroutine checked for autotrait impl `Send` - let x = None::<I::Future<'a, 'b>>; // a type referencing GAT - async {}.await; // a yield point - } -} - -fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send { +fn call2<'a: 'b, 'b, I: FutureIterator>() -> impl Send { async { // a coroutine checked for autotrait impl `Send` let x = None::<I::Future<'a, 'b>>; // a type referencing GAT async {}.await; // a yield point diff --git a/tests/ui/generic-associated-types/issue-92096.stderr b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives.no_assumptions.stderr index b9a16cf184e..f747ba9a733 100644 --- a/tests/ui/generic-associated-types/issue-92096.stderr +++ b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives.no_assumptions.stderr @@ -1,5 +1,5 @@ error: `C` does not live long enough - --> $DIR/issue-92096.rs:17:5 + --> $DIR/higher-ranked-coroutine-param-outlives.rs:21:5 | LL | async move { c.connect().await } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives.rs b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives.rs new file mode 100644 index 00000000000..5f683bd82fa --- /dev/null +++ b/tests/ui/generic-associated-types/higher-ranked-coroutine-param-outlives.rs @@ -0,0 +1,24 @@ +//@ edition:2018 +//@ revisions: assumptions no_assumptions +//@[assumptions] compile-flags: -Zhigher-ranked-assumptions +//@[assumptions] check-pass +//@[no_assumptions] known-bug: #110338 + +use std::future::Future; + +trait Client { + type Connecting<'a>: Future + Send + where + Self: 'a; + + fn connect(&'_ self) -> Self::Connecting<'_>; +} + +fn call_connect<C>(c: &'_ C) -> impl '_ + Future + Send +where + C: Client + Send + Sync, +{ + async move { c.connect().await } +} + +fn main() {} diff --git a/tests/ui/generic-associated-types/issue-92096.rs b/tests/ui/generic-associated-types/issue-92096.rs deleted file mode 100644 index a34c4179584..00000000000 --- a/tests/ui/generic-associated-types/issue-92096.rs +++ /dev/null @@ -1,28 +0,0 @@ -//@ edition:2018 - -use std::future::Future; - -trait Client { - type Connecting<'a>: Future + Send - where - Self: 'a; - - fn connect(&'_ self) -> Self::Connecting<'_>; -} - -fn call_connect<C>(c: &'_ C) -> impl '_ + Future + Send -where - C: Client + Send + Sync, -{ - async move { c.connect().await } - //~^ ERROR `C` does not live long enough - // - // FIXME(#71723). This is because we infer at some point a value of - // - // impl Future<Output = <C as Client>::Connection<'_>> - // - // and then we somehow fail the WF check because `where C: 'a` is not known, - // but I'm not entirely sure how that comes about. -} - -fn main() {} diff --git a/tests/ui/impl-trait/call_method_without_import.no_import.stderr b/tests/ui/impl-trait/call_method_without_import.no_import.stderr index e59409ea27e..dbac74b2247 100644 --- a/tests/ui/impl-trait/call_method_without_import.no_import.stderr +++ b/tests/ui/impl-trait/call_method_without_import.no_import.stderr @@ -22,15 +22,10 @@ LL | x.fmt(f); = help: items from traits can only be used if the trait is in scope help: the following traits which provide `fmt` are implemented but not in scope; perhaps you want to import one of them | -LL + use std::fmt::Binary; - | LL + use std::fmt::Debug; | -LL + use std::fmt::Display; - | -LL + use std::fmt::LowerExp; +LL + use std::fmt::Pointer; | - = and 5 other candidates error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/issues/issue-55872-3.rs b/tests/ui/impl-trait/issues/issue-55872-3.rs index 698e7f36234..763b4b9fd32 100644 --- a/tests/ui/impl-trait/issues/issue-55872-3.rs +++ b/tests/ui/impl-trait/issues/issue-55872-3.rs @@ -14,6 +14,7 @@ impl<S> Bar for S { fn foo<T>() -> Self::E { //~^ ERROR : Copy` is not satisfied [E0277] //~| ERROR type parameter `T` is part of concrete type + //~| ERROR type parameter `T` is part of concrete type async {} } } diff --git a/tests/ui/impl-trait/issues/issue-55872-3.stderr b/tests/ui/impl-trait/issues/issue-55872-3.stderr index 3281dcc3501..ce2dd7f02b4 100644 --- a/tests/ui/impl-trait/issues/issue-55872-3.stderr +++ b/tests/ui/impl-trait/issues/issue-55872-3.stderr @@ -1,11 +1,11 @@ -error[E0277]: the trait bound `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}: Copy` is not satisfied +error[E0277]: the trait bound `{async block@$DIR/issue-55872-3.rs:18:9: 18:14}: Copy` is not satisfied --> $DIR/issue-55872-3.rs:14:20 | LL | fn foo<T>() -> Self::E { - | ^^^^^^^ the trait `Copy` is not implemented for `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}` + | ^^^^^^^ the trait `Copy` is not implemented for `{async block@$DIR/issue-55872-3.rs:18:9: 18:14}` ... LL | async {} - | -------- return type was inferred to be `{async block@$DIR/issue-55872-3.rs:17:9: 17:14}` here + | -------- return type was inferred to be `{async block@$DIR/issue-55872-3.rs:18:9: 18:14}` here error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias --> $DIR/issue-55872-3.rs:14:20 @@ -13,6 +13,14 @@ error: type parameter `T` is part of concrete type but not used in parameter lis LL | fn foo<T>() -> Self::E { | ^^^^^^^ -error: aborting due to 2 previous errors +error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias + --> $DIR/issue-55872-3.rs:14:20 + | +LL | fn foo<T>() -> Self::E { + | ^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: aborting due to 3 previous errors For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/impl-trait/no-method-suggested-traits.stderr b/tests/ui/impl-trait/no-method-suggested-traits.stderr index 061c9bd8f35..b376f205411 100644 --- a/tests/ui/impl-trait/no-method-suggested-traits.stderr +++ b/tests/ui/impl-trait/no-method-suggested-traits.stderr @@ -9,12 +9,8 @@ help: the following traits which provide `method` are implemented but not in sco | LL + use foo::Bar; | -LL + use no_method_suggested_traits::Reexported; - | LL + use no_method_suggested_traits::foo::PubPub; | -LL + use no_method_suggested_traits::qux::PrivPub; - | help: there is a method `method2` with a similar name | LL | 1u32.method2(); @@ -31,12 +27,8 @@ help: the following traits which provide `method` are implemented but not in sco | LL + use foo::Bar; | -LL + use no_method_suggested_traits::Reexported; - | LL + use no_method_suggested_traits::foo::PubPub; | -LL + use no_method_suggested_traits::qux::PrivPub; - | help: there is a method `method2` with a similar name | LL | std::rc::Rc::new(&mut Box::new(&1u32)).method2(); diff --git a/tests/ui/linking/export-executable-symbols.rs b/tests/ui/linking/export-executable-symbols.rs index aea5527b6a1..2bff58ca38a 100644 --- a/tests/ui/linking/export-executable-symbols.rs +++ b/tests/ui/linking/export-executable-symbols.rs @@ -1,22 +1,22 @@ //@ run-pass -//@ only-linux -//@ only-gnu -//@ compile-flags: -Zexport-executable-symbols +//@ compile-flags: -Ctarget-feature=-crt-static -Zexport-executable-symbols +//@ ignore-wasm +//@ ignore-cross-compile //@ edition: 2024 // Regression test for <https://github.com/rust-lang/rust/issues/101610>. #![feature(rustc_private)] -extern crate libc; - #[unsafe(no_mangle)] fn hack() -> u64 { 998244353 } fn main() { + #[cfg(unix)] unsafe { + extern crate libc; let handle = libc::dlopen(std::ptr::null(), libc::RTLD_NOW); let ptr = libc::dlsym(handle, c"hack".as_ptr()); let ptr: Option<unsafe fn() -> u64> = std::mem::transmute(ptr); @@ -27,4 +27,24 @@ fn main() { panic!("symbol `hack` is not found"); } } + #[cfg(windows)] + unsafe { + type PCSTR = *const u8; + type HMODULE = *mut core::ffi::c_void; + type FARPROC = Option<unsafe extern "system" fn() -> isize>; + #[link(name = "kernel32", kind = "raw-dylib")] + unsafe extern "system" { + fn GetModuleHandleA(lpmodulename: PCSTR) -> HMODULE; + fn GetProcAddress(hmodule: HMODULE, lpprocname: PCSTR) -> FARPROC; + } + let handle = GetModuleHandleA(std::ptr::null_mut()); + let ptr = GetProcAddress(handle, b"hack\0".as_ptr()); + let ptr: Option<unsafe fn() -> u64> = std::mem::transmute(ptr); + if let Some(f) = ptr { + assert!(f() == 998244353); + println!("symbol `hack` is found successfully"); + } else { + panic!("symbol `hack` is not found"); + } + } } diff --git a/tests/ui/darwin-ld64.rs b/tests/ui/linking/ld64-cross-compilation.rs index 75acc07a002..d6c6d1ff91d 100644 --- a/tests/ui/darwin-ld64.rs +++ b/tests/ui/linking/ld64-cross-compilation.rs @@ -1,11 +1,11 @@ +//! This is a regression test for https://github.com/rust-lang/rust/issues/140686. +//! Although this is a ld64(ld-classic) bug, we still need to support it +//! due to cross-compilation and support for older Xcode. + //@ compile-flags: -Copt-level=3 -Ccodegen-units=256 -Clink-arg=-ld_classic //@ run-pass //@ only-x86_64-apple-darwin -// This is a regression test for https://github.com/rust-lang/rust/issues/140686. -// Although this is a ld64(ld-classic) bug, we still need to support it -// due to cross-compilation and support for older Xcode. - fn main() { let dst: Vec<u8> = Vec::new(); let len = broken_func(std::hint::black_box(2), dst); diff --git a/tests/ui/lint/lint-double-negations-macro.rs b/tests/ui/lint/lint-double-negations-macro.rs new file mode 100644 index 00000000000..a6583271d5a --- /dev/null +++ b/tests/ui/lint/lint-double-negations-macro.rs @@ -0,0 +1,16 @@ +//@ check-pass +macro_rules! neg { + ($e: expr) => { + -$e + }; +} +macro_rules! bad_macro { + ($e: expr) => { + --$e //~ WARN use of a double negation + }; +} + +fn main() { + neg!(-1); + bad_macro!(1); +} diff --git a/tests/ui/lint/lint-double-negations-macro.stderr b/tests/ui/lint/lint-double-negations-macro.stderr new file mode 100644 index 00000000000..d6ac9be48f3 --- /dev/null +++ b/tests/ui/lint/lint-double-negations-macro.stderr @@ -0,0 +1,20 @@ +warning: use of a double negation + --> $DIR/lint-double-negations-macro.rs:9:9 + | +LL | --$e + | ^^^^ +... +LL | bad_macro!(1); + | ------------- in this macro invocation + | + = note: the prefix `--` could be misinterpreted as a decrement operator which exists in other languages + = note: use `-= 1` if you meant to decrement the value + = note: `#[warn(double_negations)]` on by default + = note: this warning originates in the macro `bad_macro` (in Nightly builds, run with -Z macro-backtrace for more info) +help: add parentheses for clarity + | +LL | -(-$e) + | + + + +warning: 1 warning emitted + diff --git a/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr b/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr index 32cff62284e..aeecb82e9d9 100644 --- a/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr +++ b/tests/ui/methods/method-deref-to-same-trait-object-with-separate-params.stderr @@ -20,17 +20,12 @@ error[E0034]: multiple applicable items in scope LL | let z = x.foo(); | ^^^ multiple `foo` found | -note: candidate #1 is defined in the trait `FinalFoo` - --> $DIR/method-deref-to-same-trait-object-with-separate-params.rs:60:5 - | -LL | fn foo(&self) -> u8; - | ^^^^^^^^^^^^^^^^^^^^ -note: candidate #2 is defined in an impl of the trait `NuisanceFoo` for the type `T` +note: candidate #1 is defined in an impl of the trait `NuisanceFoo` for the type `T` --> $DIR/method-deref-to-same-trait-object-with-separate-params.rs:73:9 | LL | fn foo(self) {} | ^^^^^^^^^^^^ -note: candidate #3 is defined in an impl of the trait `X` for the type `T` +note: candidate #2 is defined in an impl of the trait `X` for the type `T` --> $DIR/method-deref-to-same-trait-object-with-separate-params.rs:46:9 | LL | fn foo(self: Smaht<Self, u64>) -> u64 { @@ -38,14 +33,9 @@ LL | fn foo(self: Smaht<Self, u64>) -> u64 { help: disambiguate the method for candidate #1 | LL - let z = x.foo(); -LL + let z = FinalFoo::foo(&x); - | -help: disambiguate the method for candidate #2 - | -LL - let z = x.foo(); LL + let z = NuisanceFoo::foo(x); | -help: disambiguate the method for candidate #3 +help: disambiguate the method for candidate #2 | LL - let z = x.foo(); LL + let z = X::foo(x); diff --git a/tests/ui/methods/wrong-ambig-message.rs b/tests/ui/methods/wrong-ambig-message.rs new file mode 100644 index 00000000000..f88d77e259d --- /dev/null +++ b/tests/ui/methods/wrong-ambig-message.rs @@ -0,0 +1,34 @@ +fn main() { + trait Hello { + fn name(&self) -> String; + } + + #[derive(Debug)] + struct Container2 { + val: String, + } + + trait AName2 { + fn name(&self) -> String; + } + + trait BName2 { + fn name(&self, v: bool) -> String; + } + + impl AName2 for Container2 { + fn name(&self) -> String { + "aname2".into() + } + } + + impl BName2 for Container2 { + fn name(&self, _v: bool) -> String { + "bname2".into() + } + } + + let c2 = Container2 { val: "abc".into() }; + println!("c2 = {:?}", c2.name()); + //~^ ERROR: multiple applicable items in scope +} diff --git a/tests/ui/methods/wrong-ambig-message.stderr b/tests/ui/methods/wrong-ambig-message.stderr new file mode 100644 index 00000000000..9a254595e40 --- /dev/null +++ b/tests/ui/methods/wrong-ambig-message.stderr @@ -0,0 +1,30 @@ +error[E0034]: multiple applicable items in scope + --> $DIR/wrong-ambig-message.rs:32:30 + | +LL | println!("c2 = {:?}", c2.name()); + | ^^^^ multiple `name` found + | +note: candidate #1 is defined in an impl of the trait `AName2` for the type `Container2` + --> $DIR/wrong-ambig-message.rs:20:9 + | +LL | fn name(&self) -> String { + | ^^^^^^^^^^^^^^^^^^^^^^^^ +note: candidate #2 is defined in an impl of the trait `BName2` for the type `Container2` + --> $DIR/wrong-ambig-message.rs:26:9 + | +LL | fn name(&self, _v: bool) -> String { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: disambiguate the method for candidate #1 + | +LL - println!("c2 = {:?}", c2.name()); +LL + println!("c2 = {:?}", AName2::name(&c2)); + | +help: disambiguate the method for candidate #2 + | +LL - println!("c2 = {:?}", c2.name()); +LL + println!("c2 = {:?}", BName2::name(&c2)); + | + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0034`. diff --git a/tests/crashes/128094.rs b/tests/ui/mir/gvn-nonsensical-coroutine-layout.rs index 56d09d78bed..f0d174cd01b 100644 --- a/tests/crashes/128094.rs +++ b/tests/ui/mir/gvn-nonsensical-coroutine-layout.rs @@ -1,15 +1,19 @@ -//@ known-bug: rust-lang/rust#128094 +//! Verify that we do not ICE when a coroutine body is malformed. //@ compile-flags: -Zmir-enable-passes=+GVN //@ edition: 2018 pub enum Request { TestSome(T), + //~^ ERROR cannot find type `T` in this scope [E0412] } pub async fn handle_event(event: Request) { async move { static instance: Request = Request { bar: 17 }; + //~^ ERROR expected struct, variant or union type, found enum `Request` [E0574] &instance } .await; } + +fn main() {} diff --git a/tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr b/tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr new file mode 100644 index 00000000000..abc7b16ca74 --- /dev/null +++ b/tests/ui/mir/gvn-nonsensical-coroutine-layout.stderr @@ -0,0 +1,26 @@ +error[E0412]: cannot find type `T` in this scope + --> $DIR/gvn-nonsensical-coroutine-layout.rs:6:14 + | +LL | TestSome(T), + | ^ not found in this scope + | +help: you might be missing a type parameter + | +LL | pub enum Request<T> { + | +++ + +error[E0574]: expected struct, variant or union type, found enum `Request` + --> $DIR/gvn-nonsensical-coroutine-layout.rs:12:36 + | +LL | static instance: Request = Request { bar: 17 }; + | ^^^^^^^ not a struct, variant or union type + | +help: consider importing this struct instead + | +LL + use std::error::Request; + | + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0412, E0574. +For more information about an error, try `rustc --explain E0412`. diff --git a/tests/crashes/135128.rs b/tests/ui/mir/gvn-nonsensical-sized-str.rs index c718b758dc6..29a82f8ce2a 100644 --- a/tests/crashes/135128.rs +++ b/tests/ui/mir/gvn-nonsensical-sized-str.rs @@ -1,13 +1,16 @@ -//@ known-bug: #135128 +//! Verify that we do not ICE when optimizing bodies with nonsensical bounds. //@ compile-flags: -Copt-level=1 //@ edition: 2021 +//@ build-pass #![feature(trivial_bounds)] async fn return_str() -> str where str: Sized, + //~^ WARN trait bound str: Sized does not depend on any type or lifetime parameters { *"Sized".to_string().into_boxed_str() } + fn main() {} diff --git a/tests/ui/mir/gvn-nonsensical-sized-str.stderr b/tests/ui/mir/gvn-nonsensical-sized-str.stderr new file mode 100644 index 00000000000..08f0193e9f6 --- /dev/null +++ b/tests/ui/mir/gvn-nonsensical-sized-str.stderr @@ -0,0 +1,10 @@ +warning: trait bound str: Sized does not depend on any type or lifetime parameters + --> $DIR/gvn-nonsensical-sized-str.rs:10:10 + | +LL | str: Sized, + | ^^^^^ + | + = note: `#[warn(trivial_bounds)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/parser/deli-ident-issue-2.rs b/tests/ui/parser/deli-ident-issue-2.rs index 5394760df70..419933c68ad 100644 --- a/tests/ui/parser/deli-ident-issue-2.rs +++ b/tests/ui/parser/deli-ident-issue-2.rs @@ -1,6 +1,6 @@ fn main() { if 1 < 2 { - let _a = vec!]; //~ ERROR mismatched closing delimiter + let _a = vec!]; } } //~ ERROR unexpected closing delimiter diff --git a/tests/ui/parser/deli-ident-issue-2.stderr b/tests/ui/parser/deli-ident-issue-2.stderr index e0188cdfb4a..703cbf19626 100644 --- a/tests/ui/parser/deli-ident-issue-2.stderr +++ b/tests/ui/parser/deli-ident-issue-2.stderr @@ -1,19 +1,13 @@ -error: mismatched closing delimiter: `]` - --> $DIR/deli-ident-issue-2.rs:2:14 - | -LL | if 1 < 2 { - | ^ unclosed delimiter -LL | let _a = vec!]; - | ^ mismatched closing delimiter - error: unexpected closing delimiter: `}` --> $DIR/deli-ident-issue-2.rs:5:1 | +LL | if 1 < 2 { + | - the nearest open delimiter LL | let _a = vec!]; | - missing open `[` for this delimiter LL | } LL | } | ^ unexpected closing delimiter -error: aborting due to 2 previous errors +error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-104367.stderr b/tests/ui/parser/issues/issue-104367.stderr index c067d12e2d9..f01fa4a1265 100644 --- a/tests/ui/parser/issues/issue-104367.stderr +++ b/tests/ui/parser/issues/issue-104367.stderr @@ -18,7 +18,6 @@ LL | d: [u32; { LL | #![cfg] { | - unclosed delimiter LL | #![w,) - | - missing open `(` for this delimiter LL | | ^ diff --git a/tests/ui/parser/issues/issue-105209.rs b/tests/ui/parser/issues/issue-105209.rs index f4e331523bf..12c902e1d80 100644 --- a/tests/ui/parser/issues/issue-105209.rs +++ b/tests/ui/parser/issues/issue-105209.rs @@ -1,3 +1,3 @@ //@ compile-flags: -Zunpretty=ast-tree #![c={#![c[)x //~ ERROR mismatched closing delimiter - //~ ERROR this file contains an unclosed delimiter + //~ ERROR this file contains an unclosed delimiter diff --git a/tests/ui/parser/issues/issue-105209.stderr b/tests/ui/parser/issues/issue-105209.stderr index 72017e4327d..75643d18029 100644 --- a/tests/ui/parser/issues/issue-105209.stderr +++ b/tests/ui/parser/issues/issue-105209.stderr @@ -7,16 +7,15 @@ LL | #![c={#![c[)x | unclosed delimiter error: this file contains an unclosed delimiter - --> $DIR/issue-105209.rs:3:68 + --> $DIR/issue-105209.rs:3:56 | LL | #![c={#![c[)x - | - - - - missing open `(` for this delimiter - | | | | - | | | unclosed delimiter + | - - - unclosed delimiter + | | | | | unclosed delimiter | unclosed delimiter LL | - | ^ + | ^ error: aborting due to 2 previous errors diff --git a/tests/ui/parser/issues/issue-62973.stderr b/tests/ui/parser/issues/issue-62973.stderr index ea3e2bebee4..c7fc5bc29ed 100644 --- a/tests/ui/parser/issues/issue-62973.stderr +++ b/tests/ui/parser/issues/issue-62973.stderr @@ -18,10 +18,8 @@ error: this file contains an unclosed delimiter --> $DIR/issue-62973.rs:10:2 | LL | fn p() { match s { v, E { [) {) } - | - - - - missing open `(` for this delimiter - | | | | - | | | missing open `(` for this delimiter - | | unclosed delimiter + | - - unclosed delimiter + | | | unclosed delimiter LL | LL | diff --git a/tests/ui/parser/issues/issue-63116.stderr b/tests/ui/parser/issues/issue-63116.stderr index e5bad84d112..736a0ac2cf6 100644 --- a/tests/ui/parser/issues/issue-63116.stderr +++ b/tests/ui/parser/issues/issue-63116.stderr @@ -10,9 +10,8 @@ error: this file contains an unclosed delimiter --> $DIR/issue-63116.rs:4:18 | LL | impl W <s(f;Y(;] - | - -^ - | | | - | | missing open `[` for this delimiter + | - ^ + | | | unclosed delimiter error: aborting due to 2 previous errors diff --git a/tests/ui/parser/issues/issue-67377-invalid-syntax-in-enum-discriminant.stderr b/tests/ui/parser/issues/issue-67377-invalid-syntax-in-enum-discriminant.stderr index b82b0f3255b..5301d43e2ae 100644 --- a/tests/ui/parser/issues/issue-67377-invalid-syntax-in-enum-discriminant.stderr +++ b/tests/ui/parser/issues/issue-67377-invalid-syntax-in-enum-discriminant.stderr @@ -28,18 +28,14 @@ LL | V = [Vec::new; { [0].len() ].len() as isize, error: this file contains an unclosed delimiter --> $DIR/issue-67377-invalid-syntax-in-enum-discriminant.rs:23:65 | -LL | V = [PhantomData; { [ () ].len() ].len() as isize, - | - missing open `[` for this delimiter -... -LL | V = [Vec::new; { [].len() ].len() as isize, - | - missing open `[` for this delimiter -... LL | mod c { | - unclosed delimiter LL | enum Bug { -LL | V = [Vec::new; { [0].len() ].len() as isize, - | - missing open `[` for this delimiter + | - this delimiter might not be properly closed... ... +LL | } + | - ...as it matches this but it has different indentation +LL | LL | fn main() {} | ^ diff --git a/tests/ui/parser/issues/issue-68987-unmatch-issue-2.rs b/tests/ui/parser/issues/issue-68987-unmatch-issue-2.rs index 89aaa68ba40..9b4452ed2a1 100644 --- a/tests/ui/parser/issues/issue-68987-unmatch-issue-2.rs +++ b/tests/ui/parser/issues/issue-68987-unmatch-issue-2.rs @@ -1,7 +1,7 @@ // FIXME: this case need more work to fix // currently the TokenTree matching ')' with '{', which is not user friendly for diagnostics async fn obstest() -> Result<> { - let obs_connect = || -> Result<(), MyError) { //~ ERROR mismatched closing delimiter + let obs_connect = || -> Result<(), MyError) { async { } } diff --git a/tests/ui/parser/issues/issue-68987-unmatch-issue-2.stderr b/tests/ui/parser/issues/issue-68987-unmatch-issue-2.stderr index 0ecb748a0a4..c29a4ff8dbe 100644 --- a/tests/ui/parser/issues/issue-68987-unmatch-issue-2.stderr +++ b/tests/ui/parser/issues/issue-68987-unmatch-issue-2.stderr @@ -1,19 +1,13 @@ -error: mismatched closing delimiter: `)` - --> $DIR/issue-68987-unmatch-issue-2.rs:3:32 - | -LL | async fn obstest() -> Result<> { - | ^ unclosed delimiter -LL | let obs_connect = || -> Result<(), MyError) { - | ^ mismatched closing delimiter - error: unexpected closing delimiter: `}` --> $DIR/issue-68987-unmatch-issue-2.rs:14:1 | +LL | async fn obstest() -> Result<> { + | - the nearest open delimiter LL | let obs_connect = || -> Result<(), MyError) { | - missing open `(` for this delimiter ... LL | } | ^ unexpected closing delimiter -error: aborting due to 2 previous errors +error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-68987-unmatch-issue-3.rs b/tests/ui/parser/issues/issue-68987-unmatch-issue-3.rs index e98df8d7c3c..e71e2730980 100644 --- a/tests/ui/parser/issues/issue-68987-unmatch-issue-3.rs +++ b/tests/ui/parser/issues/issue-68987-unmatch-issue-3.rs @@ -3,6 +3,6 @@ fn f(i: u32, j: u32) { let res = String::new(); let mut cnt = i; while cnt < j { - write!&mut res, " "); //~ ERROR mismatched closing delimiter + write!&mut res, " "); } } //~ ERROR unexpected closing delimiter diff --git a/tests/ui/parser/issues/issue-68987-unmatch-issue-3.stderr b/tests/ui/parser/issues/issue-68987-unmatch-issue-3.stderr index dfc4407ed65..6b012af1af3 100644 --- a/tests/ui/parser/issues/issue-68987-unmatch-issue-3.stderr +++ b/tests/ui/parser/issues/issue-68987-unmatch-issue-3.stderr @@ -1,19 +1,13 @@ -error: mismatched closing delimiter: `)` - --> $DIR/issue-68987-unmatch-issue-3.rs:5:19 - | -LL | while cnt < j { - | ^ unclosed delimiter -LL | write!&mut res, " "); - | ^ mismatched closing delimiter - error: unexpected closing delimiter: `}` --> $DIR/issue-68987-unmatch-issue-3.rs:8:1 | +LL | while cnt < j { + | - the nearest open delimiter LL | write!&mut res, " "); | - missing open `(` for this delimiter LL | } LL | } | ^ unexpected closing delimiter -error: aborting due to 2 previous errors +error: aborting due to 1 previous error diff --git a/tests/ui/parser/issues/issue-81827.stderr b/tests/ui/parser/issues/issue-81827.stderr index 986ed6b7e70..9737c8c90ae 100644 --- a/tests/ui/parser/issues/issue-81827.stderr +++ b/tests/ui/parser/issues/issue-81827.stderr @@ -11,9 +11,8 @@ error: this file contains an unclosed delimiter --> $DIR/issue-81827.rs:7:27 | LL | fn r()->i{0|{#[cfg(r(0{]0 - | - - - ^ - | | | | - | | | missing open `[` for this delimiter + | - - ^ + | | | | | unclosed delimiter | unclosed delimiter diff --git a/tests/ui/parser/issues/unnessary-error-issue-138401.rs b/tests/ui/parser/issues/unnessary-error-issue-138401.rs new file mode 100644 index 00000000000..208c516365a --- /dev/null +++ b/tests/ui/parser/issues/unnessary-error-issue-138401.rs @@ -0,0 +1,6 @@ +pub fn foo(x: i64) -> i64 { + x.abs) +} +//~^ ERROR unexpected closing delimiter: `}` + +fn main() {} diff --git a/tests/ui/parser/issues/unnessary-error-issue-138401.stderr b/tests/ui/parser/issues/unnessary-error-issue-138401.stderr new file mode 100644 index 00000000000..54c73b50a42 --- /dev/null +++ b/tests/ui/parser/issues/unnessary-error-issue-138401.stderr @@ -0,0 +1,12 @@ +error: unexpected closing delimiter: `}` + --> $DIR/unnessary-error-issue-138401.rs:3:1 + | +LL | pub fn foo(x: i64) -> i64 { + | - the nearest open delimiter +LL | x.abs) + | - missing open `(` for this delimiter +LL | } + | ^ unexpected closing delimiter + +error: aborting due to 1 previous error + diff --git a/tests/ui/lexical-scopes.rs b/tests/ui/shadowed/shadowing-generic-item.rs index 46cfdf1efa8..c3a0ced04e7 100644 --- a/tests/ui/lexical-scopes.rs +++ b/tests/ui/shadowed/shadowing-generic-item.rs @@ -1,3 +1,5 @@ +//! Test that generic parameters shadow structs and modules with the same name. + struct T { i: i32 } fn f<T>() { let t = T { i: 0 }; //~ ERROR expected struct, variant or union type, found type parameter `T` diff --git a/tests/ui/lexical-scopes.stderr b/tests/ui/shadowed/shadowing-generic-item.stderr index f0eaa1a5c64..55a0bb36ea8 100644 --- a/tests/ui/lexical-scopes.stderr +++ b/tests/ui/shadowed/shadowing-generic-item.stderr @@ -1,5 +1,5 @@ error[E0574]: expected struct, variant or union type, found type parameter `T` - --> $DIR/lexical-scopes.rs:3:13 + --> $DIR/shadowing-generic-item.rs:5:13 | LL | struct T { i: i32 } | - you might have meant to refer to this struct @@ -9,7 +9,7 @@ LL | let t = T { i: 0 }; | ^ not a struct, variant or union type error[E0599]: no function or associated item named `f` found for type parameter `Foo` in the current scope - --> $DIR/lexical-scopes.rs:10:10 + --> $DIR/shadowing-generic-item.rs:12:10 | LL | fn g<Foo>() { | --- function or associated item `f` not found for this type parameter diff --git a/tests/ui/structs/default-field-values/const-trait-default-field-value.rs b/tests/ui/structs/default-field-values/const-trait-default-field-value.rs new file mode 100644 index 00000000000..60c22efabc4 --- /dev/null +++ b/tests/ui/structs/default-field-values/const-trait-default-field-value.rs @@ -0,0 +1,37 @@ +//@ check-pass + +// Ensure that `default_field_values` and `const_default` interact properly. + +#![feature(const_default)] +#![feature(const_trait_impl)] +#![feature(default_field_values)] +#![feature(derive_const)] + +#[derive(PartialEq, Eq, Debug)] +#[derive_const(Default)] +struct S { + r: Option<String> = <Option<_> as Default>::default(), + s: String = String::default(), + o: Option<String> = Option::<String>::default(), + p: std::marker::PhantomData<()> = std::marker::PhantomData::default(), + q: Option<String> = <Option<String> as Default>::default(), + t: Option<String> = Option::default(), + v: Option<String> = const { Option::default() }, +} + +const _: S = S { .. }; +const _: S = const { S { .. } }; +const _: S = S::default(); +const _: S = const { S::default() }; + +fn main() { + let s = S { .. }; + assert_eq!(s.r, None); + assert_eq!(&s.s, ""); + assert_eq!(s.o, None); + assert_eq!(s.p, std::marker::PhantomData); + assert_eq!(s.q, None); + assert_eq!(s.t, None); + assert_eq!(s.v, None); + assert_eq!(s, S::default()); +} diff --git a/tests/ui/suggestions/issue-94171.stderr b/tests/ui/suggestions/issue-94171.stderr index bcbd46cd8ec..52306a2465f 100644 --- a/tests/ui/suggestions/issue-94171.stderr +++ b/tests/ui/suggestions/issue-94171.stderr @@ -22,9 +22,7 @@ error: this file contains an unclosed delimiter --> $DIR/issue-94171.rs:5:52 | LL | fn L(]{match - | -- unclosed delimiter - | | - | missing open `[` for this delimiter + | - unclosed delimiter LL | (; {` | - - unclosed delimiter | | diff --git a/tests/ui/struct-ctor-mangling.rs b/tests/ui/symbol-names/struct-constructor-mangling.rs index f32cbb7aaae..ec8791e2154 100644 --- a/tests/ui/struct-ctor-mangling.rs +++ b/tests/ui/symbol-names/struct-constructor-mangling.rs @@ -1,3 +1,5 @@ +//! Test that the symbol mangling of Foo-the-constructor-function versus Foo-the-type do not collide + //@ run-pass fn size_of_val<T>(_: &T) -> usize { @@ -6,8 +8,6 @@ fn size_of_val<T>(_: &T) -> usize { struct Foo(#[allow(dead_code)] i64); -// Test that the (symbol) mangling of `Foo` (the `struct` type) and that of -// `typeof Foo` (the function type of the `struct` constructor) don't collide. fn main() { size_of_val(&Foo(0)); size_of_val(&Foo); diff --git a/tests/ui/traits/const-traits/const-impl-trait.rs b/tests/ui/traits/const-traits/const-impl-trait.rs index dc960422a4a..da28d9a47c3 100644 --- a/tests/ui/traits/const-traits/const-impl-trait.rs +++ b/tests/ui/traits/const-traits/const-impl-trait.rs @@ -1,7 +1,7 @@ //@ compile-flags: -Znext-solver //@ known-bug: #110395 -// Broken until we have `const PartialEq` impl in stdlib +// Broken until `(): const PartialEq` #![allow(incomplete_features)] #![feature(const_trait_impl, const_cmp, const_destruct)] diff --git a/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr b/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr index 5ed12b37052..cbc62d602a4 100644 --- a/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr +++ b/tests/ui/traits/const-traits/const_derives/derive-const-gate.stderr @@ -4,6 +4,7 @@ error[E0658]: use of unstable library feature `derive_const` LL | #[derive_const(Debug)] | ^^^^^^^^^^^^ | + = note: see issue #118304 <https://github.com/rust-lang/rust/issues/118304> for more information = help: add `#![feature(derive_const)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date diff --git a/tests/ui/traits/const-traits/match-non-const-eq.gated.stderr b/tests/ui/traits/const-traits/match-non-const-eq.gated.stderr deleted file mode 100644 index 89e59e5db6e..00000000000 --- a/tests/ui/traits/const-traits/match-non-const-eq.gated.stderr +++ /dev/null @@ -1,12 +0,0 @@ -error[E0015]: cannot match on `str` in constant functions - --> $DIR/match-non-const-eq.rs:7:9 - | -LL | "a" => (), //FIXME [gated]~ ERROR can't compare `str` with `str` in const contexts - | ^^^ - | - = note: `str` cannot be compared in compile-time, and therefore cannot be used in `match`es - = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants - -error: aborting due to 1 previous error - -For more information about this error, try `rustc --explain E0015`. diff --git a/tests/ui/traits/const-traits/match-non-const-eq.rs b/tests/ui/traits/const-traits/match-non-const-eq.rs index 73f8af86bd0..03adb8dc5a4 100644 --- a/tests/ui/traits/const-traits/match-non-const-eq.rs +++ b/tests/ui/traits/const-traits/match-non-const-eq.rs @@ -1,11 +1,12 @@ -//@ known-bug: #110395 //@ revisions: stock gated -#![cfg_attr(gated, feature(const_trait_impl))] +#![cfg_attr(gated, feature(const_trait_impl, const_cmp))] +//@[gated] check-pass const fn foo(input: &'static str) { match input { - "a" => (), //FIXME [gated]~ ERROR can't compare `str` with `str` in const contexts - //FIXME ~^ ERROR cannot match on `str` in constant functions + "a" => (), + //[stock]~^ ERROR cannot match on `str` in constant functions + //[stock]~| ERROR `PartialEq` is not yet stable as a const trait _ => (), } } diff --git a/tests/ui/traits/const-traits/match-non-const-eq.stock.stderr b/tests/ui/traits/const-traits/match-non-const-eq.stock.stderr index 89e59e5db6e..5b662447bde 100644 --- a/tests/ui/traits/const-traits/match-non-const-eq.stock.stderr +++ b/tests/ui/traits/const-traits/match-non-const-eq.stock.stderr @@ -1,12 +1,26 @@ -error[E0015]: cannot match on `str` in constant functions +error[E0658]: cannot match on `str` in constant functions --> $DIR/match-non-const-eq.rs:7:9 | -LL | "a" => (), //FIXME [gated]~ ERROR can't compare `str` with `str` in const contexts +LL | "a" => (), | ^^^ | = note: `str` cannot be compared in compile-time, and therefore cannot be used in `match`es = note: calls in constant functions are limited to constant functions, tuple structs and tuple variants + = note: see issue #143874 <https://github.com/rust-lang/rust/issues/143874> for more information + = help: add `#![feature(const_trait_impl)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date -error: aborting due to 1 previous error +error: `PartialEq` is not yet stable as a const trait + --> $DIR/match-non-const-eq.rs:7:9 + | +LL | "a" => (), + | ^^^ + | +help: add `#![feature(const_cmp)]` to the crate attributes to enable + | +LL + #![feature(const_cmp)] + | + +error: aborting due to 2 previous errors -For more information about this error, try `rustc --explain E0015`. +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/typeck/issue-91334.stderr b/tests/ui/typeck/issue-91334.stderr index 01e34919ce6..a348e1ebf7e 100644 --- a/tests/ui/typeck/issue-91334.stderr +++ b/tests/ui/typeck/issue-91334.stderr @@ -11,9 +11,8 @@ error: this file contains an unclosed delimiter --> $DIR/issue-91334.rs:7:23 | LL | fn f(){||yield(((){), - | - - - ^ - | | | | - | | | missing open `(` for this delimiter + | - - ^ + | | | | | unclosed delimiter | unclosed delimiter diff --git a/tests/ui/underscore-lifetime/raw-underscore-lifetime.rs b/tests/ui/underscore-lifetime/raw-underscore-lifetime.rs new file mode 100644 index 00000000000..874b3d2c48d --- /dev/null +++ b/tests/ui/underscore-lifetime/raw-underscore-lifetime.rs @@ -0,0 +1,9 @@ +// This test is to ensure that the raw underscore lifetime won't emit two duplicate errors. +// See issue #143152 + +//@ edition: 2021 + +fn f<'r#_>(){} +//~^ ERROR `_` cannot be a raw lifetime + +fn main() {} diff --git a/tests/ui/underscore-lifetime/raw-underscore-lifetime.stderr b/tests/ui/underscore-lifetime/raw-underscore-lifetime.stderr new file mode 100644 index 00000000000..bdb357a47f4 --- /dev/null +++ b/tests/ui/underscore-lifetime/raw-underscore-lifetime.stderr @@ -0,0 +1,8 @@ +error: `_` cannot be a raw lifetime + --> $DIR/raw-underscore-lifetime.rs:6:6 + | +LL | fn f<'r#_>(){} + | ^^^^ + +error: aborting due to 1 previous error + diff --git a/triagebot.toml b/triagebot.toml index 2f8114aeb3b..61d8a814c89 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -471,6 +471,7 @@ trigger_files = [ [autolabel."T-infra"] trigger_files = [ + ".github/workflows", "src/ci", "src/tools/bump-stage0", "src/tools/cargotest", @@ -598,6 +599,12 @@ trigger_files = [ "src/tools/clippy", ] +[autolabel."A-CI"] +trigger_files = [ + ".github/workflows", + "src/ci", +] + # ------------------------------------------------------------------------------ # Prioritization and team nominations # ------------------------------------------------------------------------------ @@ -1316,6 +1323,7 @@ infra-ci = [ "@Kobzol", "@marcoieni", "@jdno", + "@jieyouxu", ] rustdoc = [ "@GuillaumeGomez", |