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f7d4d87a 1/* Definitions for symtab.c and callers, part of bison,
340ef489 2 Copyright (C) 1984, 1989, 1992, 2000 Free Software Foundation, Inc.
f7d4d87a 3
340ef489 4 This file is part of Bison, the GNU Compiler Compiler.
f7d4d87a 5
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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.
f7d4d87a 10
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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.
f7d4d87a 15
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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. */
f7d4d87a 20
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21#ifndef SYMTAB_H_
22# define SYMTAB_H_
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23
24#define TABSIZE 1009
25
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26/* symbol classes */
27
28#define SUNKNOWN 0
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29#define STOKEN 1 /* terminal symbol */
30#define SNTERM 2 /* non-terminal */
31
32#define SALIAS -9991 /* for symbol generated with an alias */
33
34typedef struct bucket
35{
36 struct bucket *link;
37 struct bucket *next;
38 char *tag;
39 char *type_name;
40 short value;
41 short prec;
42 short assoc;
43 short user_token_number;
44 /* special value SALIAS in the identifier half of the
45 identifier-symbol pair for an alias */
46 struct bucket *alias;
47 /* points to the other in the identifier-symbol pair for an alias */
48 char class;
49}
50bucket;
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51
52
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53extern bucket *firstsymbol;
54
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55bucket *getsym PARAMS ((const char *));
56
57void tabinit PARAMS ((void));
58void free_symtab PARAMS ((void));
59
60#endif /* !SYMTAB_H_ */