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Support goto_type_definition for types

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This commit is contained in:
Lukas Tobias Wirth 2021-05-06 17:05:49 +02:00
parent 5b663f1b07
commit d97a4b8e49
2 changed files with 24 additions and 0 deletions
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12
crates/hir/src/semantics.rs
View File

@ -196,6 +196,10 @@ impl<'db, DB: HirDatabase> Semantics<'db, DB> {
self.imp.resolve_label(lifetime)
}
pub fn resolve_type(&self, ty: &ast::Type) -> Option<Type> {
self.imp.resolve_type(ty)
}
pub fn type_of_expr(&self, expr: &ast::Expr) -> Option<Type> {
self.imp.type_of_expr(expr)
}
@ -476,6 +480,14 @@ impl<'db> SemanticsImpl<'db> {
ToDef::to_def(self, src)
}
fn resolve_type(&self, ty: &ast::Type) -> Option<Type> {
let scope = self.scope(ty.syntax());
let ctx = body::LowerCtx::new(self.db.upcast(), scope.file_id);
let ty = hir_ty::TyLoweringContext::new(self.db, &scope.resolver)
.lower_ty(&crate::TypeRef::from_ast(&ctx, ty.clone()));
Type::new_with_resolver(self.db, &scope.resolver, ty)
}
fn type_of_expr(&self, expr: &ast::Expr) -> Option<Type> {
self.analyze(expr.syntax()).type_of_expr(self.db, expr)
}

12
crates/ide/src/goto_type_definition.rs
View File

@ -30,6 +30,7 @@ pub(crate) fn goto_type_definition(
ast::Expr(it) => sema.type_of_expr(&it)?,
ast::Pat(it) => sema.type_of_pat(&it)?,
ast::SelfParam(it) => sema.type_of_self(&it)?,
ast::Type(it) => sema.resolve_type(&it)?,
_ => return None,
}
};
@ -146,6 +147,17 @@ struct Foo;
impl Foo {
fn f(&self$0) {}
}
"#,
)
}
#[test]
fn goto_def_for_type_fallback() {
check(
r#"
struct Foo;
//^^^
impl Foo$0 {}
"#,
)
}