bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Filter out intrinsics if we have other import candidates to suggest

Browse source
This commit is contained in:
Michael Goulet 2022-06-07 00:55:12 -07:00
commit ab0938d0df
3 changed files with 48 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

14
compiler/rustc_resolve/src/late/diagnostics.rs
View file

@ -384,7 +384,7 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
// Try to lookup name in more relaxed fashion for better error reporting.
let ident = path.last().unwrap().ident;
let candidates = self
let mut candidates = self
.r
.lookup_import_candidates(ident, ns, &self.parent_scope, is_expected)
.into_iter()
@ -396,6 +396,18 @@ impl<'a: 'ast, 'ast> LateResolutionVisitor<'a, '_, 'ast> {
})
.collect::<Vec<_>>();
let crate_def_id = CRATE_DEF_ID.to_def_id();
// Try to filter out intrinsics candidates, as long as we have
// some other candidates to suggest.
let intrinsic_candidates: Vec<_> = candidates
.drain_filter(|sugg| {
let path = path_names_to_string(&sugg.path);
path.starts_with("core::intrinsics::") || path.starts_with("std::intrinsics::")
})
.collect();
if candidates.is_empty() {
// Put them back if we have no more candidates to suggest...
candidates.extend(intrinsic_candidates);
}
if candidates.is_empty() && is_expected(Res::Def(DefKind::Enum, crate_def_id)) {
let mut enum_candidates: Vec<_> = self
.r