projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| 3519ec76 | 1 | /* Part of the bison parser generator, |
| bb0027a9 | 2 | Copyright (C) 2000, 2002 Free Software Foundation, Inc. |
| 3519ec76 AD |
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 NULLABLE_H_ | |
| 22 | # define NULLABLE_H_ | |
| 23 | ||
| 24 | /* A vector saying which nonterminals can expand into the null string. | |
| 25 | NULLABLE[I - NTOKENS] is nonzero if symbol I can do so. */ | |
| bb0027a9 | 26 | extern bool *nullable; |
| 3519ec76 AD |
27 | |
| 28 | /* Set up NULLABLE. */ | |
| d33cb3ae | 29 | extern void nullable_compute (void); |
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30 | |
| 31 | /* Free NULLABLE. */ | |
| d33cb3ae | 32 | extern void nullable_free (void); |
| 3519ec76 | 33 | #endif /* !NULLABLE_H_ */ |