projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 3e6656f9 AD |
1 | /* Keeping a unique copy of strings. |
| 2 | Copyright (C) 2002 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of Bison, the GNU Compiler Compiler. | |
| 5 | ||
| 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. | |
| 10 | ||
| 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. | |
| 15 | ||
| 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. */ | |
| 20 | ||
| 21 | #ifndef STRUNIQ_H_ | |
| 22 | # define STRUNIQ_H_ | |
| 23 | ||
| 24 | /*------------------------------------------------------. | |
| 25 | | struniq_t -- pointers to unique copies of C strings. | | |
| 26 | `------------------------------------------------------*/ | |
| 27 | ||
| 95612cfa | 28 | typedef const char *struniq_t; |
| 3e6656f9 AD |
29 | |
| 30 | /* Return the struniq for S. */ | |
| 0eae1c91 | 31 | struniq_t struniq_new (const char *s); |
| 3e6656f9 | 32 | |
| 95612cfa AD |
33 | /* Two struniq have the same value iff they are the same. */ |
| 34 | #define STRUNIQ_EQ(S1, S2) ((S1) == (S2)) | |
| 35 | ||
| 3e6656f9 AD |
36 | /*--------------------------------------. |
| 37 | | Initializing, destroying, debugging. | | |
| 38 | `--------------------------------------*/ | |
| 39 | ||
| 40 | /* Create the string table. */ | |
| 41 | void struniqs_new (void); | |
| 42 | ||
| 95612cfa AD |
43 | /* Die if S is not a struniq. */ |
| 44 | #define struniq_assert(S) assert (struniq_assert_p (S)); | |
| 45 | bool struniq_assert_p (const char *s); | |
| 46 | ||
| 3e6656f9 AD |
47 | /* Free all the memory allocated for symbols. */ |
| 48 | void struniqs_free (void); | |
| 49 | ||
| 50 | /* Report them all. */ | |
| 51 | void struniqs_print (void); | |
| 52 | ||
| 53 | #endif /* !STRUNIQ_H_ */ |