Simplify LEXER_CHAR_SET rule

2013-02-22 13:51:02 -06:00 · 2013-02-22 13:51:02 -06:00 · 08386ba2dc
parent 53f147bb18
commit 08386ba2dc
1 changed files with 6 additions and 2 deletions
--- a/tool/src/org/antlr/v4/parse/ANTLRLexer.g
+++ b/tool/src/org/antlr/v4/parse/ANTLRLexer.g
@ -288,8 +288,12 @@ options {k=1;}

 fragment
 LEXER_CHAR_SET
-    :   '[' ('\\]'|'\\' ~']'|~('\\'|']'))* ']'
-    ;
+	:	'['
+		(	'\\' .
+		|	~('\\'|']')
+		)*
+		']'
+	;

 // --------------
 // Argument specs