bjoernager/rust
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Implement BOXED_SLICE_INTO_ITER

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This commit is contained in:
Michael Goulet 2024-04-17 16:32:17 -04:00
parent 1a81092531
commit a502e7ac1d
22 changed files with 446 additions and 173 deletions
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21
compiler/rustc_hir_analysis/src/collect.rs
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@ -1117,8 +1117,24 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::TraitDef {
let is_marker = tcx.has_attr(def_id, sym::marker);
let rustc_coinductive = tcx.has_attr(def_id, sym::rustc_coinductive);
let skip_array_during_method_dispatch =
tcx.has_attr(def_id, sym::rustc_skip_array_during_method_dispatch);
// FIXME: We could probably do way better attribute validation here.
let mut skip_array_during_method_dispatch = false;
let mut skip_boxed_slice_during_method_dispatch = false;
for attr in tcx.get_attrs(def_id, sym::rustc_skip_during_method_dispatch) {
if let Some(lst) = attr.meta_item_list() {
for item in lst {
if let Some(ident) = item.ident() {
match ident.as_str() {
"array" => skip_array_during_method_dispatch = true,
"boxed_slice" => skip_boxed_slice_during_method_dispatch = true,
_ => (),
}
}
}
}
}
let specialization_kind = if tcx.has_attr(def_id, sym::rustc_unsafe_specialization_marker) {
ty::trait_def::TraitSpecializationKind::Marker
} else if tcx.has_attr(def_id, sym::rustc_specialization_trait) {
@ -1253,6 +1269,7 @@ fn trait_def(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::TraitDef {
is_marker,
is_coinductive: rustc_coinductive || is_auto,
skip_array_during_method_dispatch,
skip_boxed_slice_during_method_dispatch,
specialization_kind,
must_implement_one_of,
implement_via_object,