X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8b3df748a3ce59d3f88b84677a8bee2a8ad2d82b..728c4be2:/src/closure.h diff --git a/src/closure.h b/src/closure.h index b4f1bdf0..d152f9c6 100644 --- a/src/closure.h +++ b/src/closure.h @@ -1,5 +1,7 @@ /* Subroutines for bison - Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software Foundation, Inc. + + Copyright (C) 1984, 1989, 2000, 2001, 2002, 2007 Free Software + Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -15,20 +17,22 @@ You should have received a copy of the GNU General Public License along with Bison; see the file COPYING. If not, write to the Free - Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef CLOSURE_H_ # define CLOSURE_H_ +# include "gram.h" + /* Allocates the itemset and ruleset vectors, and precomputes useful data so that closure can be called. n is the number of elements to allocate for itemset. */ -void new_closure PARAMS ((int n)); +void new_closure (unsigned int n); -/* Given the kernel (aka core) of a state (a vector of item numbers +/* Given the kernel (aka core) of a state (a sorted vector of item numbers ITEMS, of length N), set up RULESET and ITEMSET to indicate what rules could be run and which items could be accepted when those items are the active ones. @@ -37,19 +41,19 @@ void new_closure PARAMS ((int n)); all rules which could potentially describe the next input to be read. - ITEMSET is a vector of item numbers; NITEMSET is its size + ITEMSET is a sorted vector of item numbers; NITEMSET is its size (actually, points to just beyond the end of the part of it that is significant). CLOSURE places there the indices of all items which represent units of input that could arrive next. */ -void closure PARAMS ((short *items, int n)); +void closure (item_number *items, size_t n); /* Frees ITEMSET, RULESET and internal data. */ -void free_closure PARAMS ((void)); +void free_closure (void); -extern short *itemset; -extern int nitemset; +extern item_number *itemset; +extern size_t nitemset; #endif /* !CLOSURE_H_ */