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Change Lit::short_name to Lit::literal_name.

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This avoids a moderately hot allocation in `parse_lit_token`.
This commit is contained in:
Nicholas Nethercote 2018-11-12 14:38:44 +11:00
parent 5a2ca1a6f1
commit c6862992d9
2 changed files with 8 additions and 8 deletions
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2
src/libsyntax/parse/parser.rs
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@ -1956,7 +1956,7 @@ impl<'a> Parser<'a> {
if suffix_illegal {
let sp = self.span;
self.expect_no_suffix(sp, &format!("{} literal", lit.short_name()), suf)
self.expect_no_suffix(sp, lit.literal_name(), suf)
}
result.unwrap()

14
src/libsyntax/parse/token.rs
View File

@ -79,14 +79,14 @@ pub enum Lit {
}
impl Lit {
crate fn short_name(&self) -> &'static str {
crate fn literal_name(&self) -> &'static str {
match *self {
Byte(_) => "byte",
Char(_) => "char",
Integer(_) => "integer",
Float(_) => "float",
Str_(_) | StrRaw(..) => "string",
ByteStr(_) | ByteStrRaw(..) => "byte string"
Byte(_) => "byte literal",
Char(_) => "char literal",
Integer(_) => "integer literal",
Float(_) => "float literal",
Str_(_) | StrRaw(..) => "string literal",
ByteStr(_) | ByteStrRaw(..) => "byte string literal"
}
}