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Handle auto traits & negative impls

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We don't pass field types to Chalk yet though, so the auto trait inference won't
be correct.
This commit is contained in:
Florian Diebold 2019-05-07 18:53:16 +02:00
parent 7744cd41e2
commit d6dc75f9f2
5 changed files with 48 additions and 8 deletions
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8
crates/ra_hir/src/impl_block.rs
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@ -93,6 +93,10 @@ impl ImplBlock {
db.impls_in_module(self.module).impls[self.impl_id].items().to_vec()
}
pub fn is_negative(&self, db: &impl DefDatabase) -> bool {
db.impls_in_module(self.module).impls[self.impl_id].negative
}
pub(crate) fn resolver(&self, db: &impl DefDatabase) -> Resolver {
let r = self.module().resolver(db);
// add generic params, if present
@ -108,6 +112,7 @@ pub struct ImplData {
target_trait: Option<TypeRef>,
target_type: TypeRef,
items: Vec<ImplItem>,
negative: bool,
}
impl ImplData {
@ -120,6 +125,7 @@ impl ImplData {
let target_trait = node.target_trait().map(TypeRef::from_ast);
let target_type = TypeRef::from_ast_opt(node.target_type());
let ctx = LocationCtx::new(db, module, file_id);
let negative = node.is_negative();
let items = if let Some(item_list) = node.item_list() {
item_list
.impl_items()
@ -132,7 +138,7 @@ impl ImplData {
} else {
Vec::new()
};
ImplData { target_trait, target_type, items }
ImplData { target_trait, target_type, items, negative }
}
pub fn target_trait(&self) -> Option<&TypeRef> {