X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/340ef489223a5d1f9c40674ea2973435cb8ecc1b..f377f69fec28013c79db4efe12bbb9d48987fb2c:/src/derives.h diff --git a/src/derives.h b/src/derives.h index 58817471..c5581243 100644 --- a/src/derives.h +++ b/src/derives.h @@ -1,5 +1,5 @@ /* Match rules with nonterminals for bison, - Copyright (C) 1984, 1989, 2000 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. @@ -21,14 +21,13 @@ #ifndef DERIVES_H_ # define DERIVES_H_ -extern short **derives; +/* DERIVES[SYMBOL - NTOKENS] points to a vector of the rules that + SYMBOL derives, terminated with NULL. */ +extern rule_t ***derives; -/* set_derives finds, for each variable (nonterminal), which rules can - derive it. It sets up the value of derives so that derives[i - - ntokens] points to a vector of rule numbers, terminated with -1. - */ +/* Compute DERIVES. */ -void set_derives PARAMS((void)); -void free_derives PARAMS((void)); +void derives_compute PARAMS((void)); +void derives_free PARAMS((void)); #endif /* !DERIVES_H_ */