src/gram.c

   1 /* Allocate input grammar variables for bison,
   2    Copyright 1984, 1986, 1989, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of Bison, the GNU Compiler Compiler.
   5
   6 Bison is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 Bison is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with Bison; see the file COPYING.  If not, write to
  18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19 Boston, MA 02111-1307, USA.  */
  20
  21
  22 #include "system.h"
  23 #include "gram.h"
  24 #include "reader.h"
  25
  26 void dummy PARAMS((void));
  27
  28 /* comments for these variables are in gram.h  */
  29
  30 int nitems;
  31 int nrules;
  32 int nsyms;
  33 int ntokens;
  34 int nvars;
  35
  36 short *ritem = NULL;
  37 rule_t *rule_table = NULL;
  38 short *rprec = NULL;
  39 short *rprecsym = NULL;
  40 short *sprec = NULL;
  41 short *rassoc = NULL;
  42 short *sassoc = NULL;
  43 short *token_translations = NULL;
  44 short *rline = NULL;
  45
  46 int start_symbol;
  47
  48 int max_user_token_number;
  49
  50 int semantic_parser;
  51
  52 int pure_parser;
  53
  54 int error_token_number;
  55
  56 void
  57 ritem_print (FILE *out)
  58 {
  59   int i;
  60   fputs ("RITEM\n", out);
  61   for (i = 0; ritem[i]; ++i)
  62     if (ritem[i] > 0)
  63       fprintf (out, "  %s", tags[ritem[i]]);
  64     else
  65       fprintf (out, "  (rule %d)\n", -ritem[i]);
  66   fputs ("\n\n", out);
  67 }