bjoernager/rust
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Use uplifted rustc-stable-hash crate in rustc_data_structures

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This commit is contained in:
Urgau 2024-06-19 21:23:40 +02:00
parent 0c81f94b9a
commit 977439d9b8
11 changed files with 30 additions and 1049 deletions
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17
compiler/rustc_data_structures/src/hashes.rs
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@ -11,7 +11,7 @@
//! connect the fact that they can only be produced by a `StableHasher` to their
//! `Encode`/`Decode` impls.
use crate::stable_hasher::{StableHasher, StableHasherResult};
use crate::stable_hasher::{FromStableHash, StableHasherHash};
use rustc_serialize::{Decodable, Decoder, Encodable, Encoder};
use std::fmt;
use std::ops::BitXorAssign;
@ -56,10 +56,12 @@ impl<D: Decoder> Decodable<D> for Hash64 {
}
}
impl StableHasherResult for Hash64 {
impl FromStableHash for Hash64 {
type Hash = StableHasherHash;
#[inline]
fn finish(hasher: StableHasher) -> Self {
Self { inner: hasher.finalize().0 }
fn from(StableHasherHash([_0, __1]): Self::Hash) -> Self {
Self { inner: _0 }
}
}
@ -121,10 +123,11 @@ impl<D: Decoder> Decodable<D> for Hash128 {
}
}
impl StableHasherResult for Hash128 {
impl FromStableHash for Hash128 {
type Hash = StableHasherHash;
#[inline]
fn finish(hasher: StableHasher) -> Self {
let (_0, _1) = hasher.finalize();
fn from(StableHasherHash([_0, _1]): Self::Hash) -> Self {
Self { inner: u128::from(_0) | (u128::from(_1) << 64) }
}
}