bjoernager/rust
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Remove a lock in favor of an AppendOnlyVec

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This commit is contained in:
Oli Scherer 2023-03-14 12:11:56 +00:00
parent daee746771
commit 4699632637
3 changed files with 18 additions and 11 deletions
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9
compiler/rustc_data_structures/src/sync/vec.rs
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@ -2,6 +2,7 @@ use std::marker::PhantomData;
use rustc_index::vec::Idx;
#[derive(Default)]
pub struct AppendOnlyIndexVec<I: Idx, T: Copy> {
#[cfg(not(parallel_compiler))]
vec: elsa::vec::FrozenVec<T>,
@ -40,6 +41,7 @@ impl<I: Idx, T: Copy> AppendOnlyIndexVec<I, T> {
}
}
#[derive(Default)]
pub struct AppendOnlyVec<T: Copy> {
#[cfg(not(parallel_compiler))]
vec: elsa::vec::FrozenVec<T>,
@ -57,11 +59,14 @@ impl<T: Copy> AppendOnlyVec<T> {
}
}
pub fn push(&self, val: T) {
pub fn push(&self, val: T) -> usize {
#[cfg(not(parallel_compiler))]
let i = self.vec.len();
#[cfg(not(parallel_compiler))]
self.vec.push(val);
#[cfg(parallel_compiler)]
self.vec.push(val)
let i = self.vec.push(val);
i
}
pub fn get(&self, i: usize) -> Option<T> {