diff options
6 files changed, 16 insertions, 3 deletions
diff --git a/compiler/rustc_attr_data_structures/src/attributes.rs b/compiler/rustc_attr_data_structures/src/attributes.rs index 9b14ed88978..a5c04970e81 100644 --- a/compiler/rustc_attr_data_structures/src/attributes.rs +++ b/compiler/rustc_attr_data_structures/src/attributes.rs @@ -349,6 +349,9 @@ pub enum AttributeKind { /// Represents `#[path]` Path(Symbol, Span), + /// Represents `#[pointee]` + Pointee(Span), + /// Represents `#[rustc_pub_transparent]` (used by the `repr_transparent_external_private_fields` lint). PubTransparent(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 494b570c86c..3e2dc0a15b2 100644 --- a/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs +++ b/compiler/rustc_attr_data_structures/src/encode_cross_crate.rs @@ -57,6 +57,7 @@ impl AttributeKind { ParenSugar(..) => No, PassByValue(..) => Yes, Path(..) => No, + Pointee(..) => No, PubTransparent(..) => Yes, Repr { .. } => No, RustcLayoutScalarValidRangeEnd(..) => Yes, diff --git a/compiler/rustc_attr_parsing/src/attributes/traits.rs b/compiler/rustc_attr_parsing/src/attributes/traits.rs index ee8a33ae9c4..d5e088effd5 100644 --- a/compiler/rustc_attr_parsing/src/attributes/traits.rs +++ b/compiler/rustc_attr_parsing/src/attributes/traits.rs @@ -145,3 +145,10 @@ impl<S: Stage> NoArgsAttributeParser<S> for FundamentalParser { const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; const CREATE: fn(Span) -> AttributeKind = |_| AttributeKind::Fundamental; } + +pub(crate) struct PointeeParser; +impl<S: Stage> NoArgsAttributeParser<S> for PointeeParser { + const PATH: &[Symbol] = &[sym::pointee]; + const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error; + const CREATE: fn(Span) -> AttributeKind = AttributeKind::Pointee; +} diff --git a/compiler/rustc_attr_parsing/src/context.rs b/compiler/rustc_attr_parsing/src/context.rs index 6c70f2ee4ee..61638001a2b 100644 --- a/compiler/rustc_attr_parsing/src/context.rs +++ b/compiler/rustc_attr_parsing/src/context.rs @@ -48,8 +48,8 @@ use crate::attributes::test_attrs::IgnoreParser; use crate::attributes::traits::{ AllowIncoherentImplParser, CoherenceIsCoreParser, CoinductiveParser, ConstTraitParser, DenyExplicitImplParser, DoNotImplementViaObjectParser, FundamentalParser, MarkerParser, - ParenSugarParser, SkipDuringMethodDispatchParser, SpecializationTraitParser, TypeConstParser, - UnsafeSpecializationMarkerParser, + ParenSugarParser, PointeeParser, SkipDuringMethodDispatchParser, SpecializationTraitParser, + TypeConstParser, UnsafeSpecializationMarkerParser, }; use crate::attributes::transparency::TransparencyParser; use crate::attributes::{AttributeParser as _, Combine, Single, WithoutArgs}; @@ -178,6 +178,7 @@ attribute_parsers!( Single<WithoutArgs<OmitGdbPrettyPrinterSectionParser>>, Single<WithoutArgs<ParenSugarParser>>, Single<WithoutArgs<PassByValueParser>>, + Single<WithoutArgs<PointeeParser>>, Single<WithoutArgs<PubTransparentParser>>, Single<WithoutArgs<SpecializationTraitParser>>, Single<WithoutArgs<StdInternalSymbolParser>>, diff --git a/compiler/rustc_parse/src/validate_attr.rs b/compiler/rustc_parse/src/validate_attr.rs index 5c748e956a0..b9d387e072c 100644 --- a/compiler/rustc_parse/src/validate_attr.rs +++ b/compiler/rustc_parse/src/validate_attr.rs @@ -299,6 +299,7 @@ pub fn check_builtin_meta_item( | sym::align | sym::deprecated | sym::optimize + | sym::pointee | sym::cold | sym::target_feature | sym::rustc_allow_const_fn_unstable diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 820255afe27..2009ddc1e2d 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -251,6 +251,7 @@ impl<'tcx> CheckAttrVisitor<'tcx> { AttributeKind::BodyStability { .. } | AttributeKind::ConstStabilityIndirect | AttributeKind::MacroTransparency(_) + | AttributeKind::Pointee(..) | AttributeKind::Dummy | AttributeKind::OmitGdbPrettyPrinterSection, ) => { /* do nothing */ } @@ -381,7 +382,6 @@ impl<'tcx> CheckAttrVisitor<'tcx> { | sym::cfg_attr_trace // need to be fixed | sym::cfi_encoding // FIXME(cfi_encoding) - | sym::pointee // FIXME(derive_coerce_pointee) | sym::instruction_set // broken on stable!!! | sym::windows_subsystem // broken on stable!!! | sym::patchable_function_entry // FIXME(patchable_function_entry) |