add support for negative integers

2008-03-26 15:06:23 +00:00 · 2008-03-26 15:06:23 +00:00 · d062b9037f
parent dae274100d
commit d062b9037f
1 changed files with 5 additions and 0 deletions
--- a/lex.l
+++ b/lex.l
@ -63,6 +63,11 @@ alphanum	[0-9a-zA-Z_]

 \.[Jj][Tt][Aa][Bb]	{ return TJTAB; }

+\-{digit}+		{
+			  (void)sscanf(yytext, "%d", &token.ival); 
+			  return NUMBER;
+			}
+
 {digit}+		{
 			  (void)sscanf(yytext, "%d", &token.ival); 
 			  return NUMBER;