use rustc_data_structures::stable_hasher::{HashStable, StableHasher, ToStableHashKey};
use crate::hir::{
- AttributeMap, BodyId, Crate, Expr, ForeignItem, ForeignItemId, ImplItem, ImplItemId, Item,
- ItemId, OwnerNodes, TraitCandidate, TraitItem, TraitItemId, Ty, VisibilityKind,
+ AttributeMap, BodyId, Crate, Expr, ForeignItemId, ImplItemId, ItemId, OwnerNodes, TraitItemId,
+ Ty,
};
use crate::hir_id::{HirId, ItemLocalId};
use rustc_span::def_id::DefPathHash;
pub trait HashStableContext:
rustc_ast::HashStableContext + rustc_target::HashStableContext
{
- fn hash_hir_id(&mut self, _: HirId, hasher: &mut StableHasher);
fn hash_body_id(&mut self, _: BodyId, hasher: &mut StableHasher);
- fn hash_reference_to_item(&mut self, _: HirId, hasher: &mut StableHasher);
fn hash_hir_expr(&mut self, _: &Expr<'_>, hasher: &mut StableHasher);
fn hash_hir_ty(&mut self, _: &Ty<'_>, hasher: &mut StableHasher);
- fn hash_hir_visibility_kind(&mut self, _: &VisibilityKind<'_>, hasher: &mut StableHasher);
- fn hash_hir_item_like<F: FnOnce(&mut Self)>(&mut self, f: F);
- fn hash_hir_trait_candidate(&mut self, _: &TraitCandidate, hasher: &mut StableHasher);
}
impl<HirCtx: crate::HashStableContext> ToStableHashKey<HirCtx> for HirId {
}
}
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for HirId {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_hir_id(*self, hasher)
- }
-}
-
impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for BodyId {
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
hcx.hash_body_id(*self, hasher)
// want to pick up on a reference changing its target, so we hash the NodeIds
// in "DefPath Mode".
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ItemId {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_reference_to_item(self.hir_id(), hasher)
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ForeignItemId {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_reference_to_item(self.hir_id(), hasher)
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ImplItemId {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_reference_to_item(self.hir_id(), hasher)
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitItemId {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_reference_to_item(self.hir_id(), hasher)
- }
-}
-
impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for Expr<'_> {
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
hcx.hash_hir_expr(self, hasher)
}
}
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for VisibilityKind<'_> {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_hir_visibility_kind(self, hasher)
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitItem<'_> {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- let TraitItem { def_id: _, ident, ref generics, ref kind, span } = *self;
-
- hcx.hash_hir_item_like(|hcx| {
- ident.name.hash_stable(hcx, hasher);
- generics.hash_stable(hcx, hasher);
- kind.hash_stable(hcx, hasher);
- span.hash_stable(hcx, hasher);
- });
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ImplItem<'_> {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- let ImplItem { def_id: _, ident, ref vis, ref generics, ref kind, span } = *self;
-
- hcx.hash_hir_item_like(|hcx| {
- ident.name.hash_stable(hcx, hasher);
- vis.hash_stable(hcx, hasher);
- generics.hash_stable(hcx, hasher);
- kind.hash_stable(hcx, hasher);
- span.hash_stable(hcx, hasher);
- });
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for ForeignItem<'_> {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- let ForeignItem { def_id: _, ident, ref kind, span, ref vis } = *self;
-
- hcx.hash_hir_item_like(|hcx| {
- ident.name.hash_stable(hcx, hasher);
- kind.hash_stable(hcx, hasher);
- span.hash_stable(hcx, hasher);
- vis.hash_stable(hcx, hasher);
- });
- }
-}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for Item<'_> {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- let Item { ident, def_id: _, ref kind, ref vis, span } = *self;
-
- hcx.hash_hir_item_like(|hcx| {
- ident.name.hash_stable(hcx, hasher);
- kind.hash_stable(hcx, hasher);
- vis.hash_stable(hcx, hasher);
- span.hash_stable(hcx, hasher);
- });
- }
-}
-
impl<'tcx, HirCtx: crate::HashStableContext> HashStable<HirCtx> for OwnerNodes<'tcx> {
fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
// We ignore the `nodes` and `bodies` fields since these refer to information included in
hir_hash.hash_stable(hcx, hasher)
}
}
-
-impl<HirCtx: crate::HashStableContext> HashStable<HirCtx> for TraitCandidate {
- fn hash_stable(&self, hcx: &mut HirCtx, hasher: &mut StableHasher) {
- hcx.hash_hir_trait_candidate(self, hasher)
- }
-}