/* Data definitions for internal representation of Bison's input.
- Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004
+ Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
You should have received a copy of the GNU General Public License
along with Bison; see the file COPYING. If not, write to
- the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#ifndef GRAM_H_
# define GRAM_H_
extern int nvars;
typedef int item_number;
+#define ITEM_NUMBER_MAX INT_MAX
extern item_number *ritem;
extern unsigned int nritems;
return i;
}
+static inline bool
+item_number_is_symbol_number (item_number i)
+{
+ return i >= 0;
+}
+
/* Rule numbers. */
-typedef short int rule_number;
+typedef int rule_number;
+#define RULE_NUMBER_MAX INT_MAX
extern rule_number nrules;
static inline item_number
return -1 - i;
}
+static inline bool
+item_number_is_rule_number (item_number i)
+{
+ return i < 0;
+}
/*--------.
| Rules. |
/* This symbol provides both the associativity, and the precedence. */
symbol *prec;
- short int dprec;
- short int merger;
+ int dprec;
+ int merger;
/* This symbol was attached to the rule via %prec. */
symbol *precsym;