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effvis: Stop considering crate root its own parent

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It helped to reuse `update_def` for the crate root, but it created confusion and caused some mistakes when I implemented #109500
This commit is contained in:
Vadim Petrochenkov 2023-03-28 22:18:02 +04:00
parent ede21e8932
commit b3bfeaf765
2 changed files with 11 additions and 8 deletions
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6
compiler/rustc_middle/src/middle/privacy.rs
View File

@ -6,7 +6,7 @@ use rustc_data_structures::fx::FxHashMap;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_macros::HashStable;
use rustc_query_system::ich::StableHashingContext;
use rustc_span::def_id::LocalDefId;
use rustc_span::def_id::{LocalDefId, CRATE_DEF_ID};
use std::hash::Hash;
/// Represents the levels of effective visibility an item can have.
@ -107,6 +107,10 @@ impl EffectiveVisibilities {
})
}
pub fn update_root(&mut self) {
self.map.insert(CRATE_DEF_ID, EffectiveVisibility::from_vis(Visibility::Public));
}
// FIXME: Share code with `fn update`.
pub fn update_eff_vis(
&mut self,

13
compiler/rustc_resolve/src/effective_visibilities.rs
View File

@ -61,7 +61,7 @@ impl Resolver<'_, '_> {
// For mod items `nearest_normal_mod` returns its argument, but we actually need its parent.
let normal_mod_id = self.nearest_normal_mod(def_id);
if normal_mod_id == def_id {
self.tcx.opt_local_parent(def_id).map_or(Visibility::Public, Visibility::Restricted)
Visibility::Restricted(self.tcx.local_parent(def_id))
} else {
Visibility::Restricted(normal_mod_id)
}
@ -80,12 +80,11 @@ impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> {
r,
def_effective_visibilities: Default::default(),
import_effective_visibilities: Default::default(),
current_private_vis: Visibility::Public,
current_private_vis: Visibility::Restricted(CRATE_DEF_ID),
changed: false,
};
visitor.update(CRATE_DEF_ID, CRATE_DEF_ID);
visitor.current_private_vis = Visibility::Restricted(CRATE_DEF_ID);
visitor.def_effective_visibilities.update_root();
visitor.set_bindings_effective_visibilities(CRATE_DEF_ID);
while visitor.changed {
@ -202,7 +201,7 @@ impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> {
);
}
fn update(&mut self, def_id: LocalDefId, parent_id: LocalDefId) {
fn update_field(&mut self, def_id: LocalDefId, parent_id: LocalDefId) {
self.update_def(def_id, self.r.visibilities[&def_id], ParentId::Def(parent_id));
}
}
@ -234,14 +233,14 @@ impl<'r, 'ast, 'tcx> Visitor<'ast> for EffectiveVisibilitiesVisitor<'ast, 'r, 't
for variant in variants {
let variant_def_id = self.r.local_def_id(variant.id);
for field in variant.data.fields() {
self.update(self.r.local_def_id(field.id), variant_def_id);
self.update_field(self.r.local_def_id(field.id), variant_def_id);
}
}
}
ast::ItemKind::Struct(ref def, _) | ast::ItemKind::Union(ref def, _) => {
for field in def.fields() {
self.update(self.r.local_def_id(field.id), def_id);
self.update_field(self.r.local_def_id(field.id), def_id);
}
}