bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

RPITITs capture all their lifetimes

Browse source
This commit is contained in:
Michael Goulet 2023-08-04 23:54:14 +00:00
parent 8550f15e14
commit 13d3e57237
4 changed files with 60 additions and 92 deletions
Download patch file Download diff file Expand all files Collapse all files

21
compiler/rustc_resolve/src/late.rs
View file

@ -772,9 +772,10 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast,
self.r.record_partial_res(ty.id, PartialRes::new(res));
visit::walk_ty(self, ty)
}
TyKind::ImplTrait(..) => {
TyKind::ImplTrait(node_id, _) => {
let candidates = self.lifetime_elision_candidates.take();
visit::walk_ty(self, ty);
self.record_lifetime_params_for_impl_trait(*node_id);
self.lifetime_elision_candidates = candidates;
}
TyKind::TraitObject(bounds, ..) => {
@ -909,8 +910,8 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast,
&sig.decl.output,
);
if let Some((async_node_id, span)) = sig.header.asyncness.opt_return_id() {
this.record_lifetime_params_for_impl_trait(async_node_id, span);
if let Some((async_node_id, _)) = sig.header.asyncness.opt_return_id() {
this.record_lifetime_params_for_impl_trait(async_node_id);
}
},
);
@ -951,8 +952,8 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast,
&declaration.output,
);
if let Some((async_node_id, span)) = async_node_id {
this.record_lifetime_params_for_impl_trait(async_node_id, span);
if let Some((async_node_id, _)) = async_node_id {
this.record_lifetime_params_for_impl_trait(async_node_id);
}
},
);
@ -4367,7 +4368,7 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> {
/// We include all lifetime parameters, either named or "Fresh".
/// The order of those parameters does not matter, as long as it is
/// deterministic.
fn record_lifetime_params_for_impl_trait(&mut self, impl_trait_node_id: NodeId, span: Span) {
fn record_lifetime_params_for_impl_trait(&mut self, impl_trait_node_id: NodeId) {
let mut extra_lifetime_params = vec![];
for rib in self.lifetime_ribs.iter().rev() {
@ -4380,14 +4381,10 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> {
extra_lifetime_params.extend(earlier_fresh);
}
}
LifetimeRibKind::Generics { .. } => {}
_ => {
// We are in a function definition. We should only find `Generics`
// and `AnonymousCreateParameter` inside the innermost `Item`.
span_bug!(span, "unexpected rib kind: {:?}", rib.kind)
}
_ => {}
}
}
self.r.extra_lifetime_params_map.insert(impl_trait_node_id, extra_lifetime_params);
}