Update ANTLR float suffix grammar

Boddlnagg · Boddlnagg · commit 9cc366311dbd · 2014-09-29T12:52:35.000+02:00
- Removes f128 from the grammar, which is no longer support in rustc
- The fragment modifier is added so it won't parse float suffix as a separate token
diff --git a/src/grammar/RustLexer.g4 b/src/grammar/RustLexer.g4
@@ -120,10 +120,9 @@ LIT_INTEGER
   | '0x' [0-9a-fA-F][0-9a-fA-F_]* INT_SUFFIX?
   ;
 
-FLOAT_SUFFIX
+fragment FLOAT_SUFFIX
   : 'f32'
   | 'f64'
-  | 'f128'
   ;
 
 LIT_FLOAT

Original file line number	Diff line number	Diff line change
`@@ -120,10 +120,9 @@ LIT_INTEGER`
`120`	`120`	`\| '0x' [0-9a-fA-F][0-9a-fA-F_]* INT_SUFFIX?`
`121`	`121`	`;`
`122`	`122`
`123`		`-FLOAT_SUFFIX`
	`123`	`+fragment FLOAT_SUFFIX`
`124`	`124`	`: 'f32'`
`125`	`125`	`\| 'f64'`
`126`		`- \| 'f128'`
`127`	`126`	`;`
`128`	`127`
`129`	`128`	`LIT_FLOAT`