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Lower and handle trait aliases in HIR

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Ryo Yoshida 2023-03-04 00:24:07 +09:00
parent e2ec3a6561
commit 29c957f973
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GPG key ID: E25698A930586171
47 changed files with 334 additions and 75 deletions
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10
crates/hir/src/has_source.rs
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@ -11,7 +11,7 @@ use syntax::ast;
use crate::{
db::HirDatabase, Adt, Const, Enum, Field, FieldSource, Function, Impl, LifetimeParam, Macro,
Module, Static, Struct, Trait, TypeAlias, TypeOrConstParam, Union, Variant,
Module, Static, Struct, Trait, TraitAlias, TypeAlias, TypeOrConstParam, Union, Variant,
};
pub trait HasSource {
@ -122,6 +122,12 @@ impl HasSource for Trait {
Some(self.id.lookup(db.upcast()).source(db.upcast()))
}
}
impl HasSource for TraitAlias {
type Ast = ast::TraitAlias;
fn source(self, db: &dyn HirDatabase) -> Option<InFile<Self::Ast>> {
Some(self.id.lookup(db.upcast()).source(db.upcast()))
}
}
impl HasSource for TypeAlias {
type Ast = ast::TypeAlias;
fn source(self, db: &dyn HirDatabase) -> Option<InFile<Self::Ast>> {
@ -158,7 +164,7 @@ impl HasSource for Impl {
}
impl HasSource for TypeOrConstParam {
type Ast = Either<ast::TypeOrConstParam, ast::Trait>;
type Ast = Either<ast::TypeOrConstParam, ast::TraitOrAlias>;
fn source(self, db: &dyn HirDatabase) -> Option<InFile<Self::Ast>> {
let child_source = self.id.parent.child_source(db.upcast());
Some(child_source.map(|it| it[self.id.local_id].clone()))