]> git.saurik.com Git - bison.git/blame_incremental - src/uniqstr.h
2007-01-30 Paolo Bonzini <bonzini@gnu.org>
[bison.git] / src / uniqstr.h
... / ...
CommitLineData
1/* Keeping a unique copy of strings.
2
3 Copyright (C) 2002, 2003 Free Software Foundation, Inc.
4
5 This file is part of Bison, the GNU Compiler Compiler.
6
7 Bison is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
10 any later version.
11
12 Bison is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with Bison; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
21
22#ifndef UNIQSTR_H_
23# define UNIQSTR_H_
24
25/*-----------------------------------------.
26| Pointers to unique copies of C strings. |
27`-----------------------------------------*/
28
29typedef char const *uniqstr;
30
31/* Return the uniqstr for STR. */
32uniqstr uniqstr_new (char const *str);
33
34/* Two uniqstr values have the same value iff they are the same. */
35#define UNIQSTR_EQ(USTR1, USTR2) ((USTR1) == (USTR2))
36
37/*--------------------------------------.
38| Initializing, destroying, debugging. |
39`--------------------------------------*/
40
41/* Create the string table. */
42void uniqstrs_new (void);
43
44/* Die if STR is not a uniqstr. */
45void uniqstr_assert (char const *str);
46
47/* Free all the memory allocated for symbols. */
48void uniqstrs_free (void);
49
50/* Report them all. */
51void uniqstrs_print (void);
52
53#endif /* ! defined UNIQSTR_H_ */