bjoernager/rust
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Hash DefId in rustc_span.

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This commit is contained in:
Camille GILLOT 2021-04-19 22:27:49 +02:00
parent 1f949e94e8
commit a7a50b0c0a
6 changed files with 55 additions and 71 deletions
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41
compiler/rustc_span/src/def_id.rs
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@ -1,7 +1,7 @@
use crate::crate_disambiguator::CrateDisambiguator;
use crate::HashStableContext;
use rustc_data_structures::fingerprint::Fingerprint;
use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
use rustc_data_structures::stable_hasher::{HashStable, StableHasher, ToStableHashKey};
use rustc_data_structures::AtomicRef;
use rustc_index::vec::Idx;
use rustc_macros::HashStable_Generic;
@ -309,12 +309,47 @@ rustc_data_structures::define_id_collections!(LocalDefIdMap, LocalDefIdSet, Loca
impl<CTX: HashStableContext> HashStable<CTX> for DefId {
fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
hcx.hash_def_id(*self, hasher)
hcx.def_path_hash(*self).hash_stable(hcx, hasher);
}
}
impl<CTX: HashStableContext> HashStable<CTX> for LocalDefId {
#[inline]
fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
hcx.def_path_hash(self.to_def_id()).hash_stable(hcx, hasher);
}
}
impl<CTX: HashStableContext> HashStable<CTX> for CrateNum {
fn hash_stable(&self, hcx: &mut CTX, hasher: &mut StableHasher) {
hcx.hash_crate_num(*self, hasher)
hcx.def_path_hash(DefId { krate: *self, index: CRATE_DEF_INDEX }).hash_stable(hcx, hasher);
}
}
impl<CTX: HashStableContext> ToStableHashKey<CTX> for DefId {
type KeyType = DefPathHash;
#[inline]
fn to_stable_hash_key(&self, hcx: &CTX) -> DefPathHash {
hcx.def_path_hash(*self)
}
}
impl<CTX: HashStableContext> ToStableHashKey<CTX> for LocalDefId {
type KeyType = DefPathHash;
#[inline]
fn to_stable_hash_key(&self, hcx: &CTX) -> DefPathHash {
hcx.def_path_hash(self.to_def_id())
}
}
impl<CTX: HashStableContext> ToStableHashKey<CTX> for CrateNum {
type KeyType = DefPathHash;
#[inline]
fn to_stable_hash_key(&self, hcx: &CTX) -> DefPathHash {
let def_id = DefId { krate: *self, index: CRATE_DEF_INDEX };
def_id.to_stable_hash_key(hcx)
}
}