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* reader.c (copy_at): New function.
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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, Inc., 59 Temple Place - Suite 330,
19Boston, MA 02111-1307, USA. */
20
21#ifdef HAVE_CONFIG_H
22#include "config.h"
23#endif
24
25#define TABSIZE 1009
26
27
28/* symbol classes */
29
30#define SUNKNOWN 0
31#define STOKEN 1 /* terminal symbol */
32#define SNTERM 2 /* non-terminal */
33
34#define SALIAS -9991 /* for symbol generated with an alias */
35
36typedef
37 struct bucket
38 {
39 struct bucket *link;
40 struct bucket *next;
41 char *tag;
42 char *type_name;
43 short value;
44 short prec;
45 short assoc;
46 short user_token_number;
47 /* special value SALIAS in the identifier
48 half of the identifier-symbol pair for an alias */
49 struct bucket *alias;
50 /* points to the other in the identifier-symbol
51 pair for an alias */
52 char class;
53 }
54 bucket;
55
56
57extern bucket **symtab;
58extern bucket *firstsymbol;
59
60extern bucket *getsym PARAMS((char *));