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Auto merge of #104170 - cjgillot:hir-def-id, r=fee1-dead

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Record `LocalDefId` in HIR nodes instead of a side table

This is part of an attempt to remove the `HirId -> LocalDefId` table from HIR.
This attempt is a prerequisite to creation of `LocalDefId` after HIR lowering (https://github.com/rust-lang/rust/pull/96840), by controlling how `def_id` information is accessed.

This first part adds the information to HIR nodes themselves instead of a table.
The second part is https://github.com/rust-lang/rust/pull/103902
The third part will be to make `hir::Visitor::visit_fn` take a `LocalDefId` as last parameter.
The fourth part will be to completely remove the side table.
This commit is contained in:
bors 2022-11-17 07:42:27 +00:00
commit 7c75fe4c85
63 changed files with 449 additions and 549 deletions
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13
compiler/rustc_lint/src/builtin.rs
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@ -186,9 +186,8 @@ impl<'tcx> LateLintPass<'tcx> for BoxPointers {
// If it's a struct, we also have to check the fields' types
match it.kind {
hir::ItemKind::Struct(ref struct_def, _) | hir::ItemKind::Union(ref struct_def, _) => {
for struct_field in struct_def.fields() {
let def_id = cx.tcx.hir().local_def_id(struct_field.hir_id);
self.check_heap_type(cx, struct_field.span, cx.tcx.type_of(def_id));
for field in struct_def.fields() {
self.check_heap_type(cx, field.span, cx.tcx.type_of(field.def_id));
}
}
_ => (),
@ -674,13 +673,12 @@ impl<'tcx> LateLintPass<'tcx> for MissingDoc {
fn check_field_def(&mut self, cx: &LateContext<'_>, sf: &hir::FieldDef<'_>) {
if !sf.is_positional() {
let def_id = cx.tcx.hir().local_def_id(sf.hir_id);
self.check_missing_docs_attrs(cx, def_id, "a", "struct field")
self.check_missing_docs_attrs(cx, sf.def_id, "a", "struct field")
}
}
fn check_variant(&mut self, cx: &LateContext<'_>, v: &hir::Variant<'_>) {
self.check_missing_docs_attrs(cx, cx.tcx.hir().local_def_id(v.id), "a", "variant");
self.check_missing_docs_attrs(cx, v.def_id, "a", "variant");
}
}
@ -1425,11 +1423,10 @@ impl<'tcx> LateLintPass<'tcx> for UnreachablePub {
fn check_field_def(&mut self, cx: &LateContext<'_>, field: &hir::FieldDef<'_>) {
let map = cx.tcx.hir();
let def_id = map.local_def_id(field.hir_id);
if matches!(map.get(map.get_parent_node(field.hir_id)), Node::Variant(_)) {
return;
}
self.perform_lint(cx, "field", def_id, field.vis_span, false);
self.perform_lint(cx, "field", field.def_id, field.vis_span, false);
}
fn check_impl_item(&mut self, cx: &LateContext<'_>, impl_item: &hir::ImplItem<'_>) {