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Complete trait assoc items

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This commit is contained in:
Florian Diebold 2019-10-31 21:21:48 +01:00
parent 5da941897d
commit 79cb0a0dab
5 changed files with 56 additions and 17 deletions
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38
crates/ra_ide_api/src/completion/complete_path.rs
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@ -50,9 +50,12 @@ pub(super) fn complete_path(acc: &mut Completions, ctx: &CompletionContext) {
hir::ModuleDef::TypeAlias(a) => a.ty(ctx.db),
_ => unreachable!(),
};
let krate = ctx.module.map(|m| m.krate());
if let Some(krate) = krate {
ty.iterate_impl_items(ctx.db, krate, |item| {
ctx.analyzer.iterate_method_candidates(
ctx.db,
ty.clone(),
None,
hir::LookupMode::Path,
|_ty, item| {
match item {
hir::AssocItem::Function(func) => {
let data = func.data(ctx.db);
@ -64,6 +67,18 @@ pub(super) fn complete_path(acc: &mut Completions, ctx: &CompletionContext) {
hir::AssocItem::TypeAlias(ty) => acc.add_type_alias(ctx, ty),
}
None::<()>
},
);
// Iterate assoc types separately
// FIXME: complete T::AssocType
let krate = ctx.module.map(|m| m.krate());
if let Some(krate) = krate {
ty.iterate_impl_items(ctx.db, krate, |item| {
match item {
hir::AssocItem::Function(_) | hir::AssocItem::Const(_) => {}
hir::AssocItem::TypeAlias(ty) => acc.add_type_alias(ctx, ty),
}
None::<()>
});
}
}
@ -593,7 +608,22 @@ mod tests {
fn foo() { let _ = S::<|> }
"
),
@"[]"
@r###"
[
CompletionItem {
label: "m()",
source_range: [99; 99),
delete: [99; 99),
insert: "m()$0",
kind: Function,
lookup: "m",
detail: "fn m()",
documentation: Documentation(
"A trait method",
),
},
]
"###
);
}