/* Data definitions for internal representation of Bison's input.
- Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004, 2005, 2006
+ 2007 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
- Bison is free software; you can redistribute it and/or modify
+ This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Bison is distributed in the hope that it will be useful,
+ This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#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 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. |
already displayed (by a previous call for another rule), avoid
useless repetitions. */
void rule_lhs_print (rule *r, symbol *previous_lhs, FILE *out);
+void rule_lhs_print_xml (rule *r, FILE *out, int level);
/* Return the length of the RHS. */
int rule_rhs_length (rule *r);
(exclusive) on OUT under TITLE. */
void grammar_rules_partial_print (FILE *out, const char *title,
rule_filter filter);
+void grammar_rules_partial_print_xml (FILE *out, int level, bool rtag,
+ rule_filter filter);
/* Print the grammar's rules on OUT. */
void grammar_rules_print (FILE *out);
+void grammar_rules_print_xml (FILE *out, int level);
/* Dump the grammar. */
void grammar_dump (FILE *out, const char *title);