bjoernager/rust
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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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8
compiler/rustc_trait_selection/src/error_reporting/infer/mod.rs
View file

@ -2337,7 +2337,7 @@ impl<'tcx> ObligationCause<'tcx> {
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Fn { .. }, .. } => {
ObligationCauseFailureCode::MethodCompat { span, subdiags }
}
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Type, .. } => {
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Type { .. }, .. } => {
ObligationCauseFailureCode::TypeCompat { span, subdiags }
}
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Const, .. } => {
@ -2401,7 +2401,7 @@ impl<'tcx> ObligationCause<'tcx> {
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Fn { .. }, .. } => {
"method type is compatible with trait"
}
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Type, .. } => {
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Type { .. }, .. } => {
"associated type is compatible with trait"
}
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Const, .. } => {
@ -2425,7 +2425,9 @@ impl IntoDiagArg for ObligationCauseAsDiagArg<'_> {
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Fn { .. }, .. } => {
"method_compat"
}
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Type, .. } => "type_compat",
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Type { .. }, .. } => {
"type_compat"
}
ObligationCauseCode::CompareImplItem { kind: ty::AssocKind::Const, .. } => {
"const_compat"
}

2
compiler/rustc_trait_selection/src/error_reporting/traits/ambiguity.rs
View file

@ -352,7 +352,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
ty::AssocKind::Fn { .. } => ("call", "function"),
// This is already covered by E0223, but this following single match
// arm doesn't hurt here.
ty::AssocKind::Type => ("refer to the", "type"),
ty::AssocKind::Type { .. } => ("refer to the", "type"),
};
// Replace the more general E0283 with a more specific error

2
compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs
View file

@ -2112,7 +2112,7 @@ impl<'a, 'tcx> TypeErrCtxt<'a, 'tcx> {
trait_ref: DefId,
) {
if let Some(assoc_item) = self.tcx.opt_associated_item(item_def_id) {
if let ty::AssocKind::Const | ty::AssocKind::Type = assoc_item.kind {
if let ty::AssocKind::Const | ty::AssocKind::Type { .. } = assoc_item.kind {
err.note(format!(
"{}s cannot be accessed directly on a `trait`, they can only be \
accessed through a specific `impl`",

4
compiler/rustc_trait_selection/src/traits/dyn_compatibility.rs
View file

@ -188,7 +188,7 @@ fn bounds_reference_self(tcx: TyCtxt<'_>, trait_def_id: DefId) -> SmallVec<[Span
tcx.associated_items(trait_def_id)
.in_definition_order()
// We're only looking at associated type bounds
.filter(|item| item.kind == ty::AssocKind::Type)
.filter(|item| item.is_type())
// Ignore GATs with `Self: Sized`
.filter(|item| !tcx.generics_require_sized_self(item.def_id))
.flat_map(|item| tcx.explicit_item_bounds(item.def_id).iter_identity_copied())
@ -320,7 +320,7 @@ pub fn dyn_compatibility_violations_for_assoc_item(
})
.collect(),
// Associated types can only be dyn-compatible if they have `Self: Sized` bounds.
ty::AssocKind::Type => {
ty::AssocKind::Type { .. } => {
if !tcx.generics_of(item.def_id).is_own_empty() && !item.is_impl_trait_in_trait() {
vec![DynCompatibilityViolation::GAT(item.name, item.ident(tcx).span)]
} else {

4
compiler/rustc_trait_selection/src/traits/select/confirmation.rs
View file

@ -594,9 +594,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
// Associated types that require `Self: Sized` do not show up in the built-in
// implementation of `Trait for dyn Trait`, and can be dropped here.
.filter(|item| !tcx.generics_require_sized_self(item.def_id))
.filter_map(
|item| if item.kind == ty::AssocKind::Type { Some(item.def_id) } else { None },
)
.filter_map(|item| if item.is_type() { Some(item.def_id) } else { None })
.collect();
for assoc_type in assoc_types {