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1/* Definitions for symtab.c and callers, part of bison,
2 Copyright (C) 1984, 1989, 1992 Free Software Foundation, Inc.
3
4This file is part of Bison, the GNU Compiler Compiler.
5
6Bison is free software; you can redistribute it and/or modify
7it under the terms of the GNU General Public License as published by
8the Free Software Foundation; either version 2, or (at your option)
9any later version.
10
11Bison is distributed in the hope that it will be useful,
12but WITHOUT ANY WARRANTY; without even the implied warranty of
13MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14GNU General Public License for more details.
15
16You should have received a copy of the GNU General Public License
17along with Bison; see the file COPYING. If not, write to
18the 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
32typedef
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
53extern bucket **symtab;
54extern bucket *firstsymbol;
55
56extern bucket *getsym();