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assist: autoderef in generate delegate methods

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This commit is contained in:
Jake Heinz 2023-04-04 06:50:20 +00:00
parent f070093462
commit 94e6a6642c
1 changed files with 48 additions and 7 deletions
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55
crates/ide-assists/src/handlers/generate_delegate_methods.rs
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@ -65,14 +65,17 @@ pub(crate) fn generate_delegate_methods(acc: &mut Assists, ctx: &AssistContext<'
let sema_field_ty = ctx.sema.resolve_type(&field_ty)?;
let krate = sema_field_ty.krate(ctx.db());
let mut methods = vec![];
sema_field_ty.iterate_assoc_items(ctx.db(), krate, |item| {
if let hir::AssocItem::Function(f) = item {
if f.self_param(ctx.db()).is_some() && f.is_visible_from(ctx.db(), current_module) {
methods.push(f)
for ty in sema_field_ty.autoderef(ctx.db()) {
ty.iterate_assoc_items(ctx.db(), krate, |item| {
if let hir::AssocItem::Function(f) = item {
if f.self_param(ctx.db()).is_some() && f.is_visible_from(ctx.db(), current_module) {
methods.push(f)
}
}
}
Option::<()>::None
});
Option::<()>::None
});
}
for method in methods {
let adt = ast::Adt::Struct(strukt.clone());
@ -314,6 +317,44 @@ impl<T> Person<T> {
);
}
#[test]
fn test_generates_delegate_autoderef() {
check_assist(
generate_delegate_methods,
r#"
//- minicore: deref
struct Age(u8);
impl Age {
fn age(&self) -> u8 {
self.0
}
}
struct AgeDeref(Age);
impl core::ops::Deref for AgeDeref { type Target = Age; }
struct Person {
ag$0e: AgeDeref,
}
impl Person {}"#,
r#"
struct Age(u8);
impl Age {
fn age(&self) -> u8 {
self.0
}
}
struct AgeDeref(Age);
impl core::ops::Deref for AgeDeref { type Target = Age; }
struct Person {
age: AgeDeref,
}
impl Person {
$0fn age(&self) -> u8 {
self.age.age()
}
}"#,
);
}
#[test]
fn test_generate_delegate_visibility() {
check_assist_not_applicable(