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Move opt_rpitit_info field to hir::AssocKind::Type.

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From `hir::AssocItem`.
This commit is contained in:
Nicholas Nethercote
2025-04-11 16:50:20 +10:00
parent ce2aa97cd6
commit b26f3d4347
28 changed files with 103 additions and 91 deletions
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6
compiler/rustc_hir_analysis/src/check/check.rs
View File

@@ -449,7 +449,7 @@ fn best_definition_site_of_opaque<'tcx>(
return Some(span);
}
}
ty::AssocKind::Type => {}
ty::AssocKind::Type { .. } => {}
}
}
@@ -740,7 +740,7 @@ pub(crate) fn check_item_type(tcx: TyCtxt<'_>, def_id: LocalDefId) {
for &assoc_item in assoc_items.in_definition_order() {
match assoc_item.kind {
ty::AssocKind::Type if assoc_item.defaultness(tcx).has_value() => {
ty::AssocKind::Type { .. } if assoc_item.defaultness(tcx).has_value() => {
let trait_args = GenericArgs::identity_for_item(tcx, def_id);
let _: Result<_, rustc_errors::ErrorGuaranteed> = check_type_bounds(
tcx,
@@ -953,7 +953,7 @@ fn check_impl_items_against_trait<'tcx>(
);
}
ty::AssocKind::Const => {}
ty::AssocKind::Type => {}
ty::AssocKind::Type { .. } => {}
}
}

19
compiler/rustc_hir_analysis/src/check/compare_impl_item.rs
View File

@@ -44,7 +44,7 @@ pub(super) fn compare_impl_item(
match impl_item.kind {
ty::AssocKind::Fn { .. } => compare_impl_method(tcx, impl_item, trait_item, impl_trait_ref),
ty::AssocKind::Type => compare_impl_ty(tcx, impl_item, trait_item, impl_trait_ref),
ty::AssocKind::Type { .. } => compare_impl_ty(tcx, impl_item, trait_item, impl_trait_ref),
ty::AssocKind::Const => compare_impl_const(tcx, impl_item, trait_item, impl_trait_ref),
}
}
@@ -1703,7 +1703,7 @@ fn compare_generic_param_kinds<'tcx>(
trait_item: ty::AssocItem,
delay: bool,
) -> Result<(), ErrorGuaranteed> {
assert_eq!(impl_item.kind, trait_item.kind);
assert_eq!(impl_item.as_tag(), trait_item.as_tag());
let ty_const_params_of = |def_id| {
tcx.generics_of(def_id).own_params.iter().filter(|param| {
@@ -2235,16 +2235,19 @@ fn param_env_with_gat_bounds<'tcx>(
// of the RPITITs associated with the same body. This is because checking
// the item bounds of RPITITs often involves nested RPITITs having to prove
// bounds about themselves.
let impl_tys_to_install = match impl_ty.opt_rpitit_info {
None => vec![impl_ty],
Some(
ty::ImplTraitInTraitData::Impl { fn_def_id }
| ty::ImplTraitInTraitData::Trait { fn_def_id, .. },
) => tcx
let impl_tys_to_install = match impl_ty.kind {
ty::AssocKind::Type {
opt_rpitit_info:
Some(
ty::ImplTraitInTraitData::Impl { fn_def_id }
| ty::ImplTraitInTraitData::Trait { fn_def_id, .. },
),
} => tcx
.associated_types_for_impl_traits_in_associated_fn(fn_def_id)
.iter()
.map(|def_id| tcx.associated_item(*def_id))
.collect(),
_ => vec![impl_ty],
};
for impl_ty in impl_tys_to_install {

2
compiler/rustc_hir_analysis/src/check/mod.rs
View File

@@ -499,7 +499,7 @@ fn suggestion_signature<'tcx>(
tcx.predicates_of(assoc.def_id).instantiate_own(tcx, args),
assoc,
),
ty::AssocKind::Type => {
ty::AssocKind::Type { .. } => {
let (generics, where_clauses) = bounds_from_generic_predicates(
tcx,
tcx.predicates_of(assoc.def_id).instantiate_own(tcx, args),

6
compiler/rustc_hir_analysis/src/check/wfcheck.rs
View File

@@ -408,7 +408,7 @@ fn check_gat_where_clauses(tcx: TyCtxt<'_>, trait_def_id: LocalDefId) {
let gat_def_id = gat_item.def_id.expect_local();
let gat_item = tcx.associated_item(gat_def_id);
// If this item is not an assoc ty, or has no args, then it's not a GAT
if gat_item.kind != ty::AssocKind::Type {
if !gat_item.is_type() {
continue;
}
let gat_generics = tcx.generics_of(gat_def_id);
@@ -453,7 +453,7 @@ fn check_gat_where_clauses(tcx: TyCtxt<'_>, trait_def_id: LocalDefId) {
)
}
// In our example, this corresponds to the `Iter` and `Item` associated types
ty::AssocKind::Type => {
ty::AssocKind::Type { .. } => {
// If our associated item is a GAT with missing bounds, add them to
// the param-env here. This allows this GAT to propagate missing bounds
// to other GATs.
@@ -1101,7 +1101,7 @@ fn check_associated_item(
);
check_method_receiver(wfcx, hir_sig, item, self_ty)
}
ty::AssocKind::Type => {
ty::AssocKind::Type { .. } => {
if let ty::AssocItemContainer::Trait = item.container {
check_associated_type_bounds(wfcx, item, span)
}