1 /* Match rules with nonterminals for bison, 2 3 Copyright (C) 1984, 1989, 2000-2002, 2009-2012 Free Software 4 Foundation, Inc. 5 6 This file is part of Bison, the GNU Compiler Compiler. 7 8 This program is free software: you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation, either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 20 21 #ifndef DERIVES_H_ 22 # define DERIVES_H_ 23 24 # include "gram.h" 25 26 /* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that 27 SYMBOL derives, terminated with NULL. */ 28 extern rule ***derives; 29 30 /* Compute DERIVES. */ 31 32 void derives_compute (void); 33 void derives_free (void); 34 35 #endif /* !DERIVES_H_ */ 36