Add native Windows binary for bison.

bison/src/bison/2.4.1/bison-2.4.1-src/lib/bitsetv.c

+/* Bitset vectors.
+   Copyright (C) 2001, 2002, 2004, 2005, 2006 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include "bitsetv.h"
+
+#include <stdlib.h>
+
+
+/* Create a vector of N_VECS bitsets, each of N_BITS, and of
+   type TYPE.  */
+bitset *
+bitsetv_alloc (bitset_bindex n_vecs, bitset_bindex n_bits,
+               enum bitset_type type)
+{
+  size_t vector_bytes;
+  size_t bytes;
+  bitset *bsetv;
+  bitset_bindex i;
+
+  /* Determine number of bytes for each set.  */
+  bytes = bitset_bytes (type, n_bits);
+
+  /* If size calculation overflows, memory is exhausted.  */
+  if (BITSET_SIZE_MAX / (sizeof (bitset) + bytes) <= n_vecs)
+    xalloc_die ();
+
+  /* Allocate vector table at head of bitset array.  */
+  vector_bytes = (n_vecs + 1) * sizeof (bitset) + bytes - 1;
+  vector_bytes -= vector_bytes % bytes;
+  bsetv = xcalloc (1, vector_bytes + bytes * n_vecs);
+
+  for (i = 0; i < n_vecs; i++)
+    {
+      bsetv[i] = (bitset) (void *) ((char *) bsetv + vector_bytes + i * bytes);
+
+      bitset_init (bsetv[i], n_bits, type);
+    }
+
+  /* Null terminate table.  */
+  bsetv[i] = 0;
+  return bsetv;
+}
+
+
+/* Create a vector of N_VECS bitsets, each of N_BITS, and with
+   attribute hints specified by ATTR.  */
+bitset *
+bitsetv_create (bitset_bindex n_vecs, bitset_bindex n_bits, unsigned int attr)
+{
+  enum bitset_type type;
+
+  type = bitset_type_choose (n_bits, attr);
+  return bitsetv_alloc (n_vecs, n_bits, type);
+}
+
+
+/* Free bitset vector BSETV.  */
+void
+bitsetv_free (bitsetv bsetv)
+{
+  bitset_bindex i;
+
+  for (i = 0; bsetv[i]; i++)
+      BITSET_FREE_ (bsetv[i]);
+  free (bsetv);
+}
+
+
+/* Zero a vector of bitsets.  */
+void
+bitsetv_zero (bitsetv bsetv)
+{
+  bitset_bindex i;
+
+  for (i = 0; bsetv[i]; i++)
+    bitset_zero (bsetv[i]);
+}
+
+
+/* Set a vector of bitsets to ones.  */
+void
+bitsetv_ones (bitsetv bsetv)
+{
+  bitset_bindex i;
+
+  for (i = 0; bsetv[i]; i++)
+    bitset_ones (bsetv[i]);
+}
+
+
+/* Given a vector BSETV of N bitsets of size N, modify its contents to
+   be the transitive closure of what was given.  */
+void
+bitsetv_transitive_closure (bitsetv bsetv)
+{
+  bitset_bindex i;
+  bitset_bindex j;
+
+  for (i = 0; bsetv[i]; i++)
+    for (j = 0; bsetv[j]; j++)
+      if (bitset_test (bsetv[j], i))
+        bitset_or (bsetv[j], bsetv[j], bsetv[i]);
+}
+
+
+/* Given a vector BSETV of N bitsets of size N, modify its contents to
+   be the reflexive transitive closure of what was given.  This is
+   the same as transitive closure but with all bits on the diagonal
+   of the bit matrix set.  */
+void
+bitsetv_reflexive_transitive_closure (bitsetv bsetv)
+{
+  bitset_bindex i;
+
+  bitsetv_transitive_closure (bsetv);
+  for (i = 0; bsetv[i]; i++)
+    bitset_set (bsetv[i], i);
+}
+
+
+/* Dump the contents of a bitset vector BSETV with N_VECS elements to
+   FILE.  */
+void
+bitsetv_dump (FILE *file, char const *title, char const *subtitle,
+              bitsetv bsetv)
+{
+  bitset_windex i;
+
+  fprintf (file, "%s\n", title);
+  for (i = 0; bsetv[i]; i++)
+    {
+      fprintf (file, "%s %lu\n", subtitle, (unsigned long int) i);
+      bitset_dump (file, bsetv[i]);
+    }
+
+  fprintf (file, "\n");
+}
+
+
+void
+debug_bitsetv (bitsetv bsetv)
+{
+  bitset_windex i;
+
+  for (i = 0; bsetv[i]; i++)
+    {
+      fprintf (stderr, "%lu: ", (unsigned long int) i);
+      debug_bitset (bsetv[i]);
+    }
+
+  fprintf (stderr, "\n");
+}