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Make def_path_hash_to_def_id a hook

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This commit is contained in:
Oli Scherer 2024-03-26 15:53:05 +00:00
parent 0f5911c626
commit 24fc6e96d6
4 changed files with 18 additions and 13 deletions
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14
compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs
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@ -650,14 +650,18 @@ impl CrateStore for CStore {
fn def_path_hash(&self, def: DefId) -> DefPathHash {
self.get_crate_data(def.krate).def_path_hash(def.index)
}
fn def_path_hash_to_def_id(&self, cnum: CrateNum, hash: DefPathHash) -> DefId {
let def_index = self.get_crate_data(cnum).def_path_hash_to_def_index(hash);
DefId { krate: cnum, index: def_index }
}
}
fn provide_cstore_hooks(providers: &mut Providers) {
providers.hooks.def_path_hash_to_def_id_extern = |tcx, hash, stable_crate_id| {
// If this is a DefPathHash from an upstream crate, let the CrateStore map
// it to a DefId.
let cstore = CStore::from_tcx(tcx.tcx);
let cnum = cstore.stable_crate_id_to_crate_num(stable_crate_id);
let def_index = cstore.get_crate_data(cnum).def_path_hash_to_def_index(hash);
DefId { krate: cnum, index: def_index }
};
providers.hooks.expn_hash_to_expn_id = |tcx, cnum, index_guess, hash| {
let cstore = CStore::from_tcx(tcx.tcx);
cstore.get_crate_data(cnum).expn_hash_to_expn_id(tcx.sess, index_guess, hash)