bjoernager/rust
bjoernager/rust
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Hash attributes as part of the crate hash.

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This commit is contained in:
Camille GILLOT 2021-04-05 22:09:49 +02:00
parent ca712bc425
commit 1891da0378
1 changed files with 9 additions and 4 deletions
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13
compiler/rustc_middle/src/hir/map/mod.rs
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@ -1,6 +1,6 @@
use self::collector::NodeCollector; use self::collector::NodeCollector;
use crate::hir::{HirOwnerData, IndexedHir}; use crate::hir::{AttributeMap, HirOwnerData, IndexedHir};
use crate::middle::cstore::CrateStore; use crate::middle::cstore::CrateStore;
use crate::ty::TyCtxt; use crate::ty::TyCtxt;
use rustc_ast as ast; use rustc_ast as ast;
@ -943,14 +943,19 @@ pub(super) fn index_hir<'tcx>(tcx: TyCtxt<'tcx>, cnum: CrateNum) -> &'tcx Indexe
} }
pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh { pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh {
let mut hcx = tcx.create_stable_hashing_context();
let mut hir_body_nodes: Vec<_> = tcx let mut hir_body_nodes: Vec<_> = tcx
.index_hir(crate_num) .index_hir(crate_num)
.map .map
.iter_enumerated() .iter_enumerated()
.filter_map(|(def_id, hod)| { .filter_map(|(def_id, hod)| {
let def_path_hash = tcx.definitions.def_path_hash(def_id); let def_path_hash = tcx.definitions.def_path_hash(def_id);
let hash = hod.with_bodies.as_ref()?.hash; let mut hasher = StableHasher::new();
Some((def_path_hash, hash)) hod.with_bodies.as_ref()?.hash_stable(&mut hcx, &mut hasher);
AttributeMap { map: &tcx.untracked_crate.attrs, prefix: def_id }
.hash_stable(&mut hcx, &mut hasher);
Some((def_path_hash, hasher.finish()))
}) })
.collect(); .collect();
hir_body_nodes.sort_unstable_by_key(|bn| bn.0); hir_body_nodes.sort_unstable_by_key(|bn| bn.0);
@ -980,13 +985,13 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, crate_num: CrateNum) -> Svh {
source_file_names.sort_unstable(); source_file_names.sort_unstable();
let mut hcx = tcx.create_stable_hashing_context();
let mut stable_hasher = StableHasher::new(); let mut stable_hasher = StableHasher::new();
node_hashes.hash_stable(&mut hcx, &mut stable_hasher); node_hashes.hash_stable(&mut hcx, &mut stable_hasher);
upstream_crates.hash_stable(&mut hcx, &mut stable_hasher); upstream_crates.hash_stable(&mut hcx, &mut stable_hasher);
source_file_names.hash_stable(&mut hcx, &mut stable_hasher); source_file_names.hash_stable(&mut hcx, &mut stable_hasher);
tcx.sess.opts.dep_tracking_hash(true).hash_stable(&mut hcx, &mut stable_hasher); tcx.sess.opts.dep_tracking_hash(true).hash_stable(&mut hcx, &mut stable_hasher);
tcx.sess.local_crate_disambiguator().to_fingerprint().hash_stable(&mut hcx, &mut stable_hasher); tcx.sess.local_crate_disambiguator().to_fingerprint().hash_stable(&mut hcx, &mut stable_hasher);
tcx.untracked_crate.non_exported_macro_attrs.hash_stable(&mut hcx, &mut stable_hasher);
let crate_hash: Fingerprint = stable_hasher.finish(); let crate_hash: Fingerprint = stable_hasher.finish();
Svh::new(crate_hash.to_smaller_hash()) Svh::new(crate_hash.to_smaller_hash())