src/symtab.h

   1 /* Definitions for symtab.c and callers, part of bison,
   2    Copyright (C) 1984, 1989, 1992 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, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 #define TABSIZE 1009
  22
  23
  24 /*  symbol classes  */
  25
  26 #define SUNKNOWN 0
  27 #define STOKEN   1      /* terminal symbol */
  28 #define SNTERM   2      /* non-terminal */
  29
  30 #define SALIAS  -9991   /* for symbol generated with an alias */
  31
  32 typedef
  33   struct bucket
  34     {
  35       struct bucket *link;
  36       struct bucket *next;
  37       char *tag;
  38       char *type_name;
  39       short value;
  40       short prec;
  41       short assoc;
  42       short user_token_number;
  43                         /* special value SALIAS in the identifier
  44                          half of the identifier-symbol pair for an alias */
  45       struct bucket *alias;
  46                         /* points to the other in the identifier-symbol
  47                          pair for an alias */
  48       char class;
  49     }
  50   bucket;
  51
  52
  53 extern bucket **symtab;
  54 extern bucket *firstsymbol;
  55
  56 extern bucket *getsym();