Change Lit::short_name to Lit::literal_name.

This avoids a moderately hot allocation in `parse_lit_token`.
rust-lang · Nov 12, 2018 · c686299 · c686299
1 parent 5a2ca1a
commit c686299
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Showing 2 changed files with 8 additions and 8 deletions.
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
@@ -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()

diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs
@@ -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"
         }
     }