Enable declaration of default %printer/%destructor. Make the parser

[bison.git] / src / closure.c

diff --git a/src/closure.c b/src/closure.c
index 618846dc8d40b92a233256b72bc76aebae7a5a13..001b8316a735f32cec1fc698ecfbd9906908f441 100644 (file)
--- a/src/closure.c
+++ b/src/closure.c
@@ -1,6 +1,7 @@
 /* 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.
 
@@ -16,9 +17,10 @@
 
    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>
@@ -35,7 +37,7 @@
 
 /* NITEMSET is the size of the array ITEMSET.  */
 item_number *itemset;
-int nritemset;
+size_t nritemset;
 
 static bitset ruleset;
 
@@ -128,9 +130,9 @@ set_firsts (void)
   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);
       }
@@ -168,8 +170,8 @@ set_fderives (void)
   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 ();
@@ -180,9 +182,9 @@ set_fderives (void)
 \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);
 
@@ -192,10 +194,10 @@ new_closure (int n)
 
 
 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;
@@ -241,7 +243,7 @@ closure (item_number *core, int n)
 void
 free_closure (void)
 {
-  XFREE (itemset);
+  free (itemset);
   bitset_free (ruleset);
   bitsetv_free (fderives);
 }