/* Match rules with nonterminals for bison,
- Copyright 1984, 1989, 2000, 2001 Free Software Foundation, Inc.
+
+ Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software
+ Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
#ifndef DERIVES_H_
# define DERIVES_H_
-/* DERIVES[SYMBOL - NTOKENS] points to a vector of the number of the
- rules that SYMBOL derives, terminated with -1. */
-extern short **derives;
+# include "gram.h"
+
+/* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that
+ SYMBOL derives, terminated with NULL. */
+extern rule ***derives;
/* Compute DERIVES. */
-void set_derives PARAMS((void));
-void free_derives PARAMS((void));
+void derives_compute (void);
+void derives_free (void);
#endif /* !DERIVES_H_ */