projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 5bab03fc | 1 | /* Keeping a unique copy of strings. |
| a737b216 PE |
2 | |
| 3 | Copyright (C) 2002, 2003 Free Software Foundation, Inc. | |
| 5bab03fc PE |
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 | |
| 0fb669f9 PE |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| 20 | Boston, MA 02110-1301, USA. */ | |
| 5bab03fc PE |
21 | |
| 22 | #ifndef UNIQSTR_H_ | |
| 23 | # define UNIQSTR_H_ | |
| 24 | ||
| 25 | /*-----------------------------------------. | |
| 26 | | Pointers to unique copies of C strings. | | |
| 27 | `-----------------------------------------*/ | |
| 28 | ||
| 29 | typedef char const *uniqstr; | |
| 30 | ||
| a737b216 PE |
31 | /* Return the uniqstr for STR. */ |
| 32 | uniqstr uniqstr_new (char const *str); | |
| 5bab03fc | 33 | |
| a737b216 PE |
34 | /* Two uniqstr values have the same value iff they are the same. */ |
| 35 | #define UNIQSTR_EQ(USTR1, USTR2) ((USTR1) == (USTR2)) | |
| 5bab03fc PE |
36 | |
| 37 | /*--------------------------------------. | |
| 38 | | Initializing, destroying, debugging. | | |
| 39 | `--------------------------------------*/ | |
| 40 | ||
| 41 | /* Create the string table. */ | |
| 42 | void uniqstrs_new (void); | |
| 43 | ||
| a737b216 PE |
44 | /* Die if STR is not a uniqstr. */ |
| 45 | void uniqstr_assert (char const *str); | |
| 5bab03fc PE |
46 | |
| 47 | /* Free all the memory allocated for symbols. */ | |
| 48 | void uniqstrs_free (void); | |
| 49 | ||
| 50 | /* Report them all. */ | |
| 51 | void uniqstrs_print (void); | |
| 52 | ||
| 53 | #endif /* ! defined UNIQSTR_H_ */ |