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Add Freeze::clone

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This commit is contained in:
John Kåre Alsaker 2023-09-08 14:14:57 +02:00
parent f49382c050
commit c83eba9251
2 changed files with 12 additions and 8 deletions
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10
compiler/rustc_data_structures/src/sync/freeze.rs
View File

@ -45,6 +45,16 @@ pub fn with(value: T, frozen: bool) -> Self {
}
}
/// Clones the inner value along with the frozen state.
#[inline]
pub fn clone(&self) -> Self
where
T: Clone,
{
let lock = self.read();
Self::with(lock.clone(), self.is_frozen())
}
#[inline]
pub fn is_frozen(&self) -> bool {
self.frozen.load(Ordering::Acquire)

10
compiler/rustc_span/src/lib.rs
View File

@ -1367,16 +1367,10 @@ fn clone(&self) -> Self {
name: self.name.clone(),
src: self.src.clone(),
src_hash: self.src_hash,
external_src: {
let lock = self.external_src.read();
FreezeLock::with(lock.clone(), self.external_src.is_frozen())
},
external_src: self.external_src.clone(),
start_pos: self.start_pos,
source_len: self.source_len,
lines: {
let lock = self.lines.read();
FreezeLock::with(lock.clone(), self.lines.is_frozen())
},
lines: self.lines.clone(),
multibyte_chars: self.multibyte_chars.clone(),
non_narrow_chars: self.non_narrow_chars.clone(),
normalized_pos: self.normalized_pos.clone(),