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lint incoherent inherent impls

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This commit is contained in:
Lukas Wirth 2023-01-20 23:09:35 +01:00
parent c15335c8b0
commit f34b2469bd
12 changed files with 284 additions and 51 deletions
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28
crates/hir-def/src/data.rs
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@ -35,6 +35,7 @@ pub struct FunctionData {
pub visibility: RawVisibility,
pub abi: Option<Interned<str>>,
pub legacy_const_generics_indices: Box<[u32]>,
pub rustc_allow_incoherent_impl: bool,
flags: FnFlags,
}
@ -84,13 +85,14 @@ impl FunctionData {
}
}
let legacy_const_generics_indices = item_tree
.attrs(db, krate, ModItem::from(loc.id.value).into())
let attrs = item_tree.attrs(db, krate, ModItem::from(loc.id.value).into());
let legacy_const_generics_indices = attrs
.by_key("rustc_legacy_const_generics")
.tt_values()
.next()
.map(parse_rustc_legacy_const_generics)
.unwrap_or_default();
let rustc_allow_incoherent_impl = attrs.by_key("rustc_allow_incoherent_impl").exists();
Arc::new(FunctionData {
name: func.name.clone(),
@ -108,6 +110,7 @@ impl FunctionData {
abi: func.abi.clone(),
legacy_const_generics_indices,
flags,
rustc_allow_incoherent_impl,
})
}
@ -171,6 +174,7 @@ pub struct TypeAliasData {
pub visibility: RawVisibility,
pub is_extern: bool,
pub rustc_has_incoherent_inherent_impls: bool,
pub rustc_allow_incoherent_impl: bool,
/// Bounds restricting the type alias itself (eg. `type Ty: Bound;` in a trait or impl).
pub bounds: Vec<Interned<TypeBound>>,
}
@ -189,10 +193,14 @@ impl TypeAliasData {
item_tree[typ.visibility].clone()
};
let rustc_has_incoherent_inherent_impls = item_tree
.attrs(db, loc.container.module(db).krate(), ModItem::from(loc.id.value).into())
.by_key("rustc_has_incoherent_inherent_impls")
.exists();
let attrs = item_tree.attrs(
db,
loc.container.module(db).krate(),
ModItem::from(loc.id.value).into(),
);
let rustc_has_incoherent_inherent_impls =
attrs.by_key("rustc_has_incoherent_inherent_impls").exists();
let rustc_allow_incoherent_impl = attrs.by_key("rustc_allow_incoherent_impl").exists();
Arc::new(TypeAliasData {
name: typ.name.clone(),
@ -200,6 +208,7 @@ impl TypeAliasData {
visibility,
is_extern: matches!(loc.container, ItemContainerId::ExternBlockId(_)),
rustc_has_incoherent_inherent_impls,
rustc_allow_incoherent_impl,
bounds: typ.bounds.to_vec(),
})
}
@ -450,6 +459,7 @@ pub struct ConstData {
pub name: Option<Name>,
pub type_ref: Interned<TypeRef>,
pub visibility: RawVisibility,
pub rustc_allow_incoherent_impl: bool,
}
impl ConstData {
@ -463,10 +473,16 @@ impl ConstData {
item_tree[konst.visibility].clone()
};
let rustc_allow_incoherent_impl = item_tree
.attrs(db, loc.container.module(db).krate(), ModItem::from(loc.id.value).into())
.by_key("rustc_allow_incoherent_impl")
.exists();
Arc::new(ConstData {
name: konst.name.clone(),
type_ref: konst.type_ref.clone(),
visibility,
rustc_allow_incoherent_impl,
})
}
}