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| author | Mark Rousskov <mark.simulacrum@gmail.com> | 2025-01-11 12:11:42 -0500 |
|---|---|---|
| committer | Mark Rousskov <mark.simulacrum@gmail.com> | 2025-01-11 12:39:44 -0500 |
| commit | 6f72f13436f4ca1b8ef06307eb0b7479dc9188bf (patch) | |
| tree | e91673940b093d012b636290134a4e76c6781ae4 /compiler/rustc_parse/src/parser/mod.rs | |
| parent | fb65a3ee576feab95a632eb062f466d7a0342310 (diff) | |
| download | rust-6f72f13436f4ca1b8ef06307eb0b7479dc9188bf.tar.gz rust-6f72f13436f4ca1b8ef06307eb0b7479dc9188bf.zip | |
Remove allocations from case-insensitive comparison to keywords
Diffstat (limited to 'compiler/rustc_parse/src/parser/mod.rs')
| -rw-r--r-- | compiler/rustc_parse/src/parser/mod.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_parse/src/parser/mod.rs b/compiler/rustc_parse/src/parser/mod.rs index 2637ea268c8..10756be6afb 100644 --- a/compiler/rustc_parse/src/parser/mod.rs +++ b/compiler/rustc_parse/src/parser/mod.rs @@ -655,9 +655,9 @@ impl<'a> Parser<'a> { fn check_keyword_case(&mut self, exp: ExpKeywordPair, case: Case) -> bool { if self.check_keyword(exp) { true - // Do an ASCII case-insensitive match, because all keywords are ASCII. } else if case == Case::Insensitive && let Some((ident, IdentIsRaw::No)) = self.token.ident() + // Do an ASCII case-insensitive match, because all keywords are ASCII. && ident.as_str().eq_ignore_ascii_case(exp.kw.as_str()) { true @@ -689,7 +689,8 @@ impl<'a> Parser<'a> { true } else if case == Case::Insensitive && let Some((ident, IdentIsRaw::No)) = self.token.ident() - && ident.as_str().to_lowercase() == exp.kw.as_str().to_lowercase() + // Do an ASCII case-insensitive match, because all keywords are ASCII. + && ident.as_str().eq_ignore_ascii_case(exp.kw.as_str()) { self.dcx().emit_err(errors::KwBadCase { span: ident.span, kw: exp.kw.as_str() }); self.bump(); |