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fix: Add trait alias grammar to rust.ungram

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This commit is contained in:
Lukas Wirth 2022-11-11 15:25:15 +01:00
parent add85397ae
commit 6674bd898e
6 changed files with 37 additions and 22 deletions
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18
crates/hir-def/src/data.rs
View file

@ -236,11 +236,19 @@ impl TraitData {
.by_key("rustc_skip_array_during_method_dispatch")
.exists();
let mut collector =
AssocItemCollector::new(db, module_id, tree_id.file_id(), ItemContainerId::TraitId(tr));
collector.collect(&item_tree, tree_id.tree_id(), &tr_def.items);
let (items, attribute_calls, diagnostics) = collector.finish();
let (items, attribute_calls, diagnostics) = match &tr_def.items {
Some(items) => {
let mut collector = AssocItemCollector::new(
db,
module_id,
tree_id.file_id(),
ItemContainerId::TraitId(tr),
);
collector.collect(&item_tree, tree_id.tree_id(), items);
collector.finish()
}
None => Default::default(),
};
(
Arc::new(TraitData {
name,

3
crates/hir-def/src/item_tree.rs
View file

@ -666,7 +666,8 @@ pub struct Trait {
pub generic_params: Interned<GenericParams>,
pub is_auto: bool,
pub is_unsafe: bool,
pub items: Box<[AssocItem]>,
/// This is [`None`] if this Trait is a trait alias.
pub items: Option<Box<[AssocItem]>>,
pub ast_id: FileAstId<ast::Trait>,
}

10
crates/hir-def/src/item_tree/lower.rs
View file

@ -451,15 +451,7 @@ impl<'a> Ctx<'a> {
.collect()
});
let ast_id = self.source_ast_id_map.ast_id(trait_def);
let res = Trait {
name,
visibility,
generic_params,
is_auto,
is_unsafe,
items: items.unwrap_or_default(),
ast_id,
};
let res = Trait { name, visibility, generic_params, is_auto, is_unsafe, items, ast_id };
Some(id(self.data().traits.alloc(res)))
}

19
crates/hir-def/src/item_tree/pretty.rs
View file

@ -375,12 +375,21 @@ impl<'a> Printer<'a> {
}
w!(self, "trait {}", name);
self.print_generic_params(generic_params);
self.print_where_clause_and_opening_brace(generic_params);
self.indented(|this| {
for item in &**items {
this.print_mod_item((*item).into());
match items {
Some(items) => {
self.print_where_clause_and_opening_brace(generic_params);
self.indented(|this| {
for item in &**items {
this.print_mod_item((*item).into());
}
});
}
});
None => {
w!(self, " = ");
// FIXME: Print the aliased traits
self.print_where_clause_and_opening_brace(generic_params);
}
}
wln!(self, "}}");
}
ModItem::Impl(it) => {