src/tables.h

   1 /* Prepare the LALR and GLR parser tables.
   2    Copyright (C) 2002  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 it
   7    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, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    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 the Free
  18    Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  19    02111-1307, USA.  */
  20
  21 #ifndef TABLES_H_
  22 # define TABLES_H_
  23
  24 # include "state.h"
  25
  26 extern int nvectors;
  27
  28 typedef int base_t;
  29 extern base_t *base;
  30 /* A distinguished value of BASE, negative infinite.  During the
  31    computation equals to BASE_MIN, later mapped to BASE_NINF to
  32    keep parser tables small.  */
  33 extern base_t base_ninf;
  34
  35 extern unsigned int *conflict_table;
  36 extern unsigned int *conflict_list;
  37 extern int conflict_list_cnt;
  38
  39 extern base_t *table;
  40 extern base_t *check;
  41 /* The value used in TABLE to denote explicit parse errors
  42    (%nonassoc), a negative infinite.  */
  43 extern base_t table_ninf;
  44
  45 extern state_number_t *yydefgoto;
  46 extern rule_number_t *yydefact;
  47 extern int high;
  48
  49 void tables_generate PARAMS ((void));
  50 void tables_free PARAMS ((void));
  51
  52 #endif /* !TABLES_H_ */