bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Compute ty_param_owner using DefIdTree.

Browse source
This commit is contained in:
Camille GILLOT 2022-04-07 22:24:07 +02:00
parent dd38eea722
commit b5dfa6a78d
4 changed files with 13 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

15
compiler/rustc_middle/src/hir/map/mod.rs
View file

@ -1,5 +1,5 @@
use crate::hir::{ModuleItems, Owner};
use crate::ty::TyCtxt;
use crate::ty::{DefIdTree, TyCtxt};
use rustc_ast as ast;
use rustc_data_structures::fingerprint::Fingerprint;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
@ -545,13 +545,12 @@ impl<'hir> Map<'hir> {
});
}
pub fn ty_param_owner(self, id: HirId) -> LocalDefId {
match self.get(id) {
Node::Item(&Item { kind: ItemKind::Trait(..) | ItemKind::TraitAlias(..), .. }) => {
id.expect_owner()
}
Node::GenericParam(_) => self.get_parent_item(id),
_ => bug!("ty_param_owner: {} not a type parameter", self.node_to_string(id)),
pub fn ty_param_owner(self, def_id: LocalDefId) -> LocalDefId {
let def_kind = self.tcx.def_kind(def_id);
match def_kind {
DefKind::Trait | DefKind::TraitAlias => def_id,
DefKind::TyParam | DefKind::ConstParam => self.tcx.local_parent(def_id).unwrap(),
_ => bug!("ty_param_owner: {:?} is a {:?} not a type parameter", def_id, def_kind),
}
}