bjoernager/rust
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Record in HIR whether lifetime elision was succesful.

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This commit is contained in:
Camille GILLOT 2022-11-06 09:33:52 +00:00
parent fb7d25e978
commit 5f5e7a8eec
7 changed files with 50 additions and 34 deletions
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1
compiler/rustc_resolve/src/late.rs
View file

@ -1838,6 +1838,7 @@ impl<'a: 'ast, 'b, 'ast> LateResolutionVisitor<'a, 'b, 'ast> {
let outer_failures = take(&mut self.diagnostic_metadata.current_elision_failures);
let output_rib = if let Ok(res) = elision_lifetime.as_ref() {
self.r.lifetime_elision_allowed.insert(fn_id);
LifetimeRibKind::Elided(*res)
} else {
LifetimeRibKind::ElisionFailure

5
compiler/rustc_resolve/src/lib.rs
View file

@ -1036,6 +1036,8 @@ pub struct Resolver<'a> {
/// they are declared in the static array generated by proc_macro_harness.
proc_macros: Vec<NodeId>,
confused_type_with_std_module: FxHashMap<Span, Span>,
/// Whether lifetime elision was successful.
lifetime_elision_allowed: FxHashSet<NodeId>,
effective_visibilities: EffectiveVisibilities,
}
@ -1354,6 +1356,7 @@ impl<'a> Resolver<'a> {
trait_impls: Default::default(),
proc_macros: Default::default(),
confused_type_with_std_module: Default::default(),
lifetime_elision_allowed: Default::default(),
effective_visibilities: Default::default(),
};
@ -1448,6 +1451,7 @@ impl<'a> Resolver<'a> {
def_id_to_node_id: self.def_id_to_node_id,
trait_map: self.trait_map,
builtin_macro_kinds: self.builtin_macro_kinds,
lifetime_elision_allowed: self.lifetime_elision_allowed,
};
ResolverOutputs { definitions, global_ctxt, ast_lowering }
}
@ -1491,6 +1495,7 @@ impl<'a> Resolver<'a> {
def_id_to_node_id: self.def_id_to_node_id.clone(),
trait_map: self.trait_map.clone(),
builtin_macro_kinds: self.builtin_macro_kinds.clone(),
lifetime_elision_allowed: self.lifetime_elision_allowed.clone(),
};
ResolverOutputs { definitions, global_ctxt, ast_lowering }
}