removed optional negative sign preceding number literals in lexer since it was interfering with minus operator with no whitespace

git-svn-id: svn://anubis/fart/branches/scene-file-scripting@324 7f9b0f55-74a9-4bce-be96-3c2cd072584d

parser/nodes.h

@@ -105,6 +105,7 @@ class VectorNode : public Node
         bool m_direct;
 };
 
+
 class AmbientNode : public VectorNode
 {
     public:

parser/parser.lex

@@ -36,8 +36,8 @@
 \<                  return LESS;
 \>                  return GREATER;
 
--?[0-9]+            *yylval = new IntegerNode(atoi(yytext)); return DEC_NUMBER;
--?[0-9]*\.[0-9]+    *yylval = new NumberNode(atof(yytext)); return REAL_NUMBER;
+[0-9]+              *yylval = new IntegerNode(atoi(yytext)); return DEC_NUMBER;
+[0-9]*\.[0-9]+      *yylval = new NumberNode(atof(yytext)); return REAL_NUMBER;
 
 ambient             return AMBIENT;
 ambient_occlusion   return AMBIENT_OCCLUSION;