bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Add query to avoid name comparison in leaf_def

Browse source
This commit is contained in:
Matthew Jasper 2021-11-18 22:29:07 +00:00 • committed by Noah Lev
parent 1b057a33bd
commit 3b7d496f72
8 changed files with 114 additions and 89 deletions
Download patch file Download diff file Expand all files Collapse all files

9
compiler/rustc_ty_utils/src/assoc.rs
View file

@ -1,3 +1,4 @@
use rustc_data_structures::fx::FxHashMap;
use rustc_errors::struct_span_err;
use rustc_hir as hir;
use rustc_hir::def_id::{DefId, LocalDefId};
@ -8,6 +9,7 @@ pub fn provide(providers: &mut ty::query::Providers) {
associated_item,
associated_item_def_ids,
associated_items,
impl_item_implementor_ids,
trait_of_item,
..*providers
};
@ -32,6 +34,13 @@ fn associated_items(tcx: TyCtxt<'_>, def_id: DefId) -> ty::AssocItems<'_> {
ty::AssocItems::new(items)
}
fn impl_item_implementor_ids(tcx: TyCtxt<'_>, impl_id: DefId) -> FxHashMap<DefId, DefId> {
tcx.associated_items(impl_id)
.in_definition_order()
.filter_map(|item| item.trait_item_def_id.map(|trait_item| (trait_item, item.def_id)))
.collect()
}
/// If the given `DefId` describes an item belonging to a trait,
/// returns the `DefId` of the trait that the trait item belongs to;
/// otherwise, returns `None`.