nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2025-02-27 06:14:55 +00:00
Code Issues Packages Projects Releases Wiki Activity

hir_ty: check field visibility while iterating through autoderef candidates

Browse Source
This commit is contained in:
cynecx 2021-03-20 19:07:23 +01:00
parent 30980396af
commit b1b456c642
1 changed files with 36 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
crates/hir_ty/src/infer/expr.rs
View File

@ -442,27 +442,49 @@ impl<'a> InferenceContext<'a> {
}, },
) )
.find_map(|derefed_ty| { .find_map(|derefed_ty| {
let def_db = self.db.upcast();
let module = self.resolver.module();
let is_visible = |field_id: &FieldId| {
module
.map(|mod_id| {
self.db.field_visibilities(field_id.parent)[field_id.local_id]
.is_visible_from(def_db, mod_id)
})
.unwrap_or(true)
};
match canonicalized.decanonicalize_ty(derefed_ty.value).interned(&Interner) { match canonicalized.decanonicalize_ty(derefed_ty.value).interned(&Interner) {
TyKind::Tuple(_, substs) => { TyKind::Tuple(_, substs) => {
name.as_tuple_index().and_then(|idx| substs.0.get(idx).cloned()) name.as_tuple_index().and_then(|idx| substs.0.get(idx).cloned())
} }
TyKind::Adt(AdtId(hir_def::AdtId::StructId(s)), parameters) => { TyKind::Adt(AdtId(hir_def::AdtId::StructId(s)), parameters) => {
self.db.struct_data(*s).variant_data.field(name).map(|local_id| { let local_id = self.db.struct_data(*s).variant_data.field(name)?;
let field = FieldId { parent: (*s).into(), local_id }; let field = FieldId { parent: (*s).into(), local_id };
self.write_field_resolution(tgt_expr, field); let is_visible_in_ctx = is_visible(&field);
self.db.field_types((*s).into())[field.local_id] self.write_field_resolution(tgt_expr, field);
.clone() if is_visible_in_ctx {
.subst(&parameters) Some(
}) self.db.field_types((*s).into())[field.local_id]
.clone()
.subst(&parameters),
)
} else {
None
}
} }
TyKind::Adt(AdtId(hir_def::AdtId::UnionId(u)), parameters) => { TyKind::Adt(AdtId(hir_def::AdtId::UnionId(u)), parameters) => {
self.db.union_data(*u).variant_data.field(name).map(|local_id| { let local_id = self.db.union_data(*u).variant_data.field(name)?;
let field = FieldId { parent: (*u).into(), local_id }; let field = FieldId { parent: (*u).into(), local_id };
self.write_field_resolution(tgt_expr, field); let is_visible_in_ctx = is_visible(&field);
self.db.field_types((*u).into())[field.local_id] self.write_field_resolution(tgt_expr, field);
.clone() if is_visible_in_ctx {
.subst(&parameters) Some(
}) self.db.field_types((*u).into())[field.local_id]
.clone()
.subst(&parameters),
)
} else {
None
}
} }
_ => None, _ => None,
} }