added location directives to flex and bison sources

git-svn-id: svn://anubis/fart/trunk@127 7f9b0f55-74a9-4bce-be96-3c2cd072584d

parser/parser.lex

@@ -1,5 +1,6 @@
 
 %option nounput
+%option bison-locations
 
 %{
 
@@ -35,8 +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;
 box                 return BOX;

parser/parser.yy

@@ -7,9 +7,10 @@
 #include "util/refptr.h"
 #include "nodes.h"
 #include "parser.h"
+#include "parser.tab.hh"        /* bison-generated header with YY[SL]TYPE */
 using namespace std;
 
-int yylex(void);
+int yylex(YYSTYPE *, YYLTYPE *);
 
 extern FILE * yyin;
 
@@ -27,6 +28,9 @@ static refptr<Node> parsed_scene_node;
 
 %}
 
+%pure-parser
+%locations
+
 %token PLUS;
 %token MINUS;
 %token STAR;