/* Allocate input grammar variables for bison,
- Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
+ Copyright 1984, 1986, 1989, 2001 Free Software Foundation, Inc.
-This file is part of Bison, the GNU Compiler Compiler.
+ This file is part of Bison, the GNU Compiler Compiler.
-Bison 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.
+ Bison 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.
-Bison 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.
+ Bison 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., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ 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. */
+#include "system.h"
+#include "gram.h"
+#include "reader.h"
+
/* comments for these variables are in gram.h */
int nitems;
int ntokens;
int nvars;
-short *ritem;
-short *rlhs;
-short *rrhs;
-short *rprec;
-short *rprecsym;
-short *sprec;
-short *rassoc;
-short *sassoc;
-short *token_translations;
-short *rline;
+short *ritem = NULL;
+rule_t *rule_table = NULL;
+short *rprec = NULL;
+short *rprecsym = NULL;
+short *sprec = NULL;
+short *rassoc = NULL;
+short *sassoc = NULL;
+short *token_translations = NULL;
int start_symbol;
-int translations;
-
int max_user_token_number;
int semantic_parser;
int error_token_number;
-/* This is to avoid linker problems which occur on VMS when using GCC,
- when the file in question contains data definitions only. */
+
+/*------------------------.
+| Dump RITEM for traces. |
+`------------------------*/
void
-dummy (void)
+ritem_print (FILE *out)
+{
+ int i;
+ fputs ("RITEM\n", out);
+ for (i = 0; ritem[i]; ++i)
+ if (ritem[i] > 0)
+ fprintf (out, " %s", tags[ritem[i]]);
+ else
+ fprintf (out, " (rule %d)\n", -ritem[i]);
+ fputs ("\n\n", out);
+}
+
+
+/*------------------------------------------.
+| Return the size of the longest rule RHS. |
+`------------------------------------------*/
+
+size_t
+ritem_longest_rhs (void)
{
+ short *itemp;
+ int length;
+ int max;
+
+ length = 0;
+ max = 0;
+ for (itemp = ritem; *itemp; itemp++)
+ if (*itemp > 0)
+ {
+ length++;
+ }
+ else
+ {
+ if (length > max)
+ max = length;
+ length = 0;
+ }
+
+ return max;
}