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avoid allocating

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teoxoy
2023-06-02 21:01:00 +02:00
committed by Jim Blandy
parent 9b6e74813f
commit dbb6d8e814
1 changed files with 7 additions and 9 deletions
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16
src/proc/namer.rs
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@@ -25,9 +25,9 @@ pub enum NameKey {
pub struct Namer {
/// The last numeric suffix used for each base name. Zero means "no suffix".
unique: FastHashMap<String, u32>,
keywords: FastHashSet<String>,
keywords: FastHashSet<&'static str>,
keywords_case_insensitive: FastHashSet<AsciiUniCase<&'static str>>,
reserved_prefixes: Vec<String>,
reserved_prefixes: Vec<&'static str>,
}
impl Namer {
@@ -112,7 +112,7 @@ impl Namer {
{
suffixed.push(SEPARATOR);
}
debug_assert!(!self.keywords.contains(&suffixed));
debug_assert!(!self.keywords.contains::<str>(&suffixed));
// `self.unique` wants to own its keys. This allocates only if we haven't
// already done so earlier.
self.unique.insert(base.into_owned(), 0);
@@ -143,19 +143,17 @@ impl Namer {
pub fn reset(
&mut self,
module: &crate::Module,
reserved_keywords: &[&str],
reserved_keywords: &[&'static str],
reserved_keywords_case_insensitive: &[&'static str],
reserved_prefixes: &[&str],
reserved_prefixes: &[&'static str],
output: &mut FastHashMap<NameKey, String>,
) {
self.reserved_prefixes.clear();
self.reserved_prefixes
.extend(reserved_prefixes.iter().map(|string| string.to_string()));
self.reserved_prefixes.extend(reserved_prefixes.iter());
self.unique.clear();
self.keywords.clear();
self.keywords
.extend(reserved_keywords.iter().map(|string| (string.to_string())));
self.keywords.extend(reserved_keywords.iter());
debug_assert!(reserved_keywords_case_insensitive
.iter()