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Support rustc_skip_during_method_dispatch

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This commit is contained in:
Lukas Wirth 2024-07-17 11:45:23 +02:00
parent b8cac1bb6b
commit 92268627a8
5 changed files with 94 additions and 17 deletions
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13
crates/hir-def/src/data.rs
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@ -223,6 +223,7 @@ pub struct TraitData {
pub is_unsafe: bool,
pub rustc_has_incoherent_inherent_impls: bool,
pub skip_array_during_method_dispatch: bool,
pub skip_boxed_slice_during_method_dispatch: bool,
pub fundamental: bool,
pub visibility: RawVisibility,
/// Whether the trait has `#[rust_skip_array_during_method_dispatch]`. `hir_ty` will ignore
@ -250,8 +251,17 @@ impl TraitData {
let is_unsafe = tr_def.is_unsafe;
let visibility = item_tree[tr_def.visibility].clone();
let attrs = item_tree.attrs(db, module_id.krate(), ModItem::from(tree_id.value).into());
let skip_array_during_method_dispatch =
let mut skip_array_during_method_dispatch =
attrs.by_key(&sym::rustc_skip_array_during_method_dispatch).exists();
let mut skip_boxed_slice_during_method_dispatch = false;
for tt in attrs.by_key(&sym::rustc_skip_during_method_dispatch).tt_values() {
for tt in tt.token_trees.iter() {
if let crate::tt::TokenTree::Leaf(tt::Leaf::Ident(ident)) = tt {
skip_array_during_method_dispatch |= ident.sym == sym::array;
skip_boxed_slice_during_method_dispatch |= ident.sym == sym::boxed_slice;
}
}
}
let rustc_has_incoherent_inherent_impls =
attrs.by_key(&sym::rustc_has_incoherent_inherent_impls).exists();
let fundamental = attrs.by_key(&sym::fundamental).exists();
@ -269,6 +279,7 @@ impl TraitData {
is_unsafe,
visibility,
skip_array_during_method_dispatch,
skip_boxed_slice_during_method_dispatch,
rustc_has_incoherent_inherent_impls,
fundamental,
}),