bjoernager/rust
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Reduce use of local_def_id_to_hir_id.

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This commit is contained in:
Camille GILLOT 2021-10-20 20:59:15 +02:00
parent ebcc847369
commit 67727aa7c3
39 changed files with 182 additions and 237 deletions
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5
compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs
View file

@ -409,8 +409,9 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> {
let generics = tcx.generics_of(self.mir_def_id());
let param = generics.type_param(&param_ty, tcx);
if let Some(generics) = tcx
.hir()
.get_generics(tcx.typeck_root_def_id(self.mir_def_id().to_def_id()))
.typeck_root_def_id(self.mir_def_id().to_def_id())
.as_local()
.and_then(|def_id| tcx.hir().get_generics(def_id))
{
suggest_constraining_type_param(
tcx,

66
compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs
View file

@ -628,42 +628,39 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> {
};
(
true,
td.as_local().and_then(|tld| {
let h = hir_map.local_def_id_to_hir_id(tld);
match hir_map.find(h) {
Some(Node::Item(hir::Item {
kind: hir::ItemKind::Trait(_, _, _, _, items),
..
})) => {
let mut f_in_trait_opt = None;
for hir::TraitItemRef { id: fi, kind: k, .. } in *items {
let hi = fi.hir_id();
if !matches!(k, hir::AssocItemKind::Fn { .. }) {
continue;
}
if hir_map.name(hi) != hir_map.name(my_hir) {
continue;
}
f_in_trait_opt = Some(hi);
break;
td.as_local().and_then(|tld| match hir_map.find_by_def_id(tld) {
Some(Node::Item(hir::Item {
kind: hir::ItemKind::Trait(_, _, _, _, items),
..
})) => {
let mut f_in_trait_opt = None;
for hir::TraitItemRef { id: fi, kind: k, .. } in *items {
let hi = fi.hir_id();
if !matches!(k, hir::AssocItemKind::Fn { .. }) {
continue;
}
f_in_trait_opt.and_then(|f_in_trait| match hir_map.find(f_in_trait) {
Some(Node::TraitItem(hir::TraitItem {
kind:
hir::TraitItemKind::Fn(
hir::FnSig { decl: hir::FnDecl { inputs, .. }, .. },
_,
),
..
})) => {
let hir::Ty { span, .. } = inputs[local.index() - 1];
Some(span)
}
_ => None,
})
if hir_map.name(hi) != hir_map.name(my_hir) {
continue;
}
f_in_trait_opt = Some(hi);
break;
}
_ => None,
f_in_trait_opt.and_then(|f_in_trait| match hir_map.find(f_in_trait) {
Some(Node::TraitItem(hir::TraitItem {
kind:
hir::TraitItemKind::Fn(
hir::FnSig { decl: hir::FnDecl { inputs, .. }, .. },
_,
),
..
})) => {
let hir::Ty { span, .. } = inputs[local.index() - 1];
Some(span)
}
_ => None,
})
}
_ => None,
}),
)
}
@ -1075,8 +1072,7 @@ fn get_mut_span_in_struct_field<'tcx>(
if let ty::Adt(def, _) = ty.kind() {
let field = def.all_fields().nth(field.index())?;
// Use the HIR types to construct the diagnostic message.
let hir_id = tcx.hir().local_def_id_to_hir_id(field.did.as_local()?);
let node = tcx.hir().find(hir_id)?;
let node = tcx.hir().find_by_def_id(field.did.as_local()?)?;
// Now we're dealing with the actual struct that we're going to suggest a change to,
// we can expect a field that is an immutable reference to a type.
if let hir::Node::Field(field) = node {