/* Closures for Bison
- Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1984, 1989, 2000, 2001, 2002, 2004, 2005 Free
+ Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
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. */
+#include <config.h>
#include "system.h"
#include <bitset.h>
/* NITEMSET is the size of the array ITEMSET. */
item_number *itemset;
-int nritemset;
+size_t nritemset;
static bitset ruleset;
firsts = bitsetv_create (nvars, nvars, BITSET_FIXED);
for (i = ntokens; i < nsyms; i++)
- for (j = 0; derives[i][j]; ++j)
+ for (j = 0; derives[i - ntokens][j]; ++j)
{
- item_number sym = derives[i][j]->rhs[0];
+ item_number sym = derives[i - ntokens][j]->rhs[0];
if (ISVAR (sym))
bitset_set (FIRSTS (i), sym - ntokens);
}
for (i = ntokens; i < nsyms; ++i)
for (j = ntokens; j < nsyms; ++j)
if (bitset_test (FIRSTS (i), j - ntokens))
- for (k = 0; derives[j][k]; ++k)
- bitset_set (FDERIVES (i), derives[j][k]->number);
+ for (k = 0; derives[j - ntokens][k]; ++k)
+ bitset_set (FDERIVES (i), derives[j - ntokens][k]->number);
if (trace_flag & trace_sets)
print_fderives ();
\f
void
-new_closure (int n)
+new_closure (unsigned int n)
{
- itemset = XCALLOC (item_number, n);
+ itemset = xnmalloc (n, sizeof *itemset);
ruleset = bitset_create (nrules, BITSET_FIXED);
void
-closure (item_number *core, int n)
+closure (item_number *core, size_t n)
{
/* Index over CORE. */
- int c;
+ size_t c;
/* A bit index over RULESET. */
rule_number ruleno;
void
free_closure (void)
{
- XFREE (itemset);
+ free (itemset);
bitset_free (ruleset);
bitsetv_free (fderives);
}