bjoernager/rust
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Store do_not_recommend-ness in impl header

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This commit is contained in:
Michael Goulet 2024-08-09 22:02:20 -04:00
parent 68d2e8a66e
commit ed7bdbb17b
5 changed files with 13 additions and 20 deletions
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6
compiler/rustc_middle/src/ty/context.rs
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@ -3176,6 +3176,12 @@ impl<'tcx> TyCtxt<'tcx> {
pub fn impl_polarity(self, def_id: impl IntoQueryParam<DefId>) -> ty::ImplPolarity {
self.impl_trait_header(def_id).map_or(ty::ImplPolarity::Positive, |h| h.polarity)
}
/// Whether this is a trait implementation that has `#[diagnostic::do_not_recommend]`
pub fn do_not_recommend_impl(self, def_id: DefId) -> bool {
matches!(self.def_kind(def_id), DefKind::Impl { of_trait: true })
&& self.impl_trait_header(def_id).is_some_and(|header| header.do_not_recommend)
}
}
/// Parameter attributes that can only be determined by examining the body of a function instead

1
compiler/rustc_middle/src/ty/mod.rs
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@ -262,6 +262,7 @@ pub struct ImplTraitHeader<'tcx> {
pub trait_ref: ty::EarlyBinder<'tcx, ty::TraitRef<'tcx>>,
pub polarity: ImplPolarity,
pub safety: hir::Safety,
pub do_not_recommend: bool,
}
#[derive(Copy, Clone, PartialEq, Eq, Debug, TypeFoldable, TypeVisitable)]