bjoernager/rust
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delegation: Support async, const, extern "ABI" and C-variadic functions

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Also allow `impl Trait` in delegated functions.
The delegation item will refer to the original opaque type from the callee, fresh opaque type won't be created.
This commit is contained in:
Vadim Petrochenkov 2024-03-14 15:42:14 +03:00
parent 99b635eafa
commit 7b7c26f09b
12 changed files with 244 additions and 151 deletions
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7
compiler/rustc_resolve/src/late/diagnostics.rs
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@ -2039,7 +2039,8 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> {
ast::AssocItemKind::Fn(..) => AssocSuggestion::AssocFn { called },
ast::AssocItemKind::Type(..) => AssocSuggestion::AssocType,
ast::AssocItemKind::Delegation(..)
if self.r.has_self.contains(&self.r.local_def_id(assoc_item.id)) =>
if self.r.delegation_fn_sigs[&self.r.local_def_id(assoc_item.id)]
.has_self =>
{
AssocSuggestion::MethodWithSelf { called }
}
@ -2062,7 +2063,9 @@ impl<'a: 'ast, 'ast, 'tcx> LateResolutionVisitor<'a, '_, 'ast, 'tcx> {
if filter_fn(res) {
let def_id = res.def_id();
let has_self = match def_id.as_local() {
Some(def_id) => self.r.has_self.contains(&def_id),
Some(def_id) => {
self.r.delegation_fn_sigs.get(&def_id).map_or(false, |sig| sig.has_self)
}
None => self
.r
.tcx