doc: clean up references to `Tracking Locations'.

[bison.git] / lib / bitset_stats.c

diff --git a/lib/bitset_stats.c b/lib/bitset_stats.c
index 11f3d6f8221c88eec1db4ff96a047d06b8d27afc..2eb77ff8ab76b048c06ab466e8c804b9b36d87b4 100644 (file)
--- a/lib/bitset_stats.c
+++ b/lib/bitset_stats.c
@@ -1,10 +1,12 @@
 /* Bitset statistics.
 /* Bitset statistics.

-   Copyright (C) 2002 Free Software Foundation, Inc.
+
+   Copyright (C) 2002-2006, 2009-2011 Free Software Foundation, Inc.
+

    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
 
    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
 

-   This program is free software; you can redistribute it and/or modify
+   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
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -13,27 +15,24 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    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, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 /* This file is a wrapper bitset implementation for the other bitset
    implementations.  It provides bitset compatibility checking and
    statistics gathering without having to instrument the bitset
    implementations.  When statistics gathering is enabled, the bitset
    operations get vectored through here and we then call the appropriate
 
 /* This file is a wrapper bitset implementation for the other bitset
    implementations.  It provides bitset compatibility checking and
    statistics gathering without having to instrument the bitset
    implementations.  When statistics gathering is enabled, the bitset
    operations get vectored through here and we then call the appropriate

-   routines.  
-*/
+   routines.  */

 
 

-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
+
+#include "bitset_stats.h"

 
 #include "bbitset.h"
 #include "abitset.h"
 #include "ebitset.h"
 #include "lbitset.h"
 
 #include "bbitset.h"
 #include "abitset.h"
 #include "ebitset.h"
 #include "lbitset.h"

-#include "bitset_stats.h"
+#include "vbitset.h"

 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdio.h>


@@ -49,45 +48,32 @@
 
 
 /* Accessor macros.  */
 
 
 /* Accessor macros.  */

-#define BITSET_STATS_ALLOCS_INC(TYPE)                  \
+#define BITSET_STATS_ALLOCS_INC(TYPE)                  \

     bitset_stats_info->types[(TYPE)].allocs++
     bitset_stats_info->types[(TYPE)].allocs++

-#define BITSET_STATS_FREES_INC(BSET)                   \
+#define BITSET_STATS_FREES_INC(BSET)                   \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].frees++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].frees++

-#define BITSET_STATS_SETS_INC(BSET)                    \
+#define BITSET_STATS_SETS_INC(BSET)                    \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].sets++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].sets++

-#define BITSET_STATS_CACHE_SETS_INC(BSET)              \
+#define BITSET_STATS_CACHE_SETS_INC(BSET)              \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_sets++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_sets++

-#define BITSET_STATS_RESETS_INC(BSET)                  \
+#define BITSET_STATS_RESETS_INC(BSET)                  \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].resets++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].resets++

-#define BITSET_STATS_CACHE_RESETS_INC(BSET)            \
+#define BITSET_STATS_CACHE_RESETS_INC(BSET)            \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_resets++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_resets++

-#define BITSET_STATS_TESTS_INC(BSET)                   \
+#define BITSET_STATS_TESTS_INC(BSET)                   \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].tests++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].tests++

-#define BITSET_STATS_CACHE_TESTS_INC(BSET)             \
+#define BITSET_STATS_CACHE_TESTS_INC(BSET)             \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_tests++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].cache_tests++

-#define BITSET_STATS_LISTS_INC(BSET)                   \
+#define BITSET_STATS_LISTS_INC(BSET)                   \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].lists++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].lists++

-#define BITSET_STATS_LIST_COUNTS_INC(BSET, I)          \
+#define BITSET_STATS_LIST_COUNTS_INC(BSET, I)          \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_counts[(I)]++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_counts[(I)]++

-#define BITSET_STATS_LIST_SIZES_INC(BSET, I)           \
+#define BITSET_STATS_LIST_SIZES_INC(BSET, I)           \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_sizes[(I)]++
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_sizes[(I)]++

-#define BITSET_STATS_LIST_DENSITY_INC(BSET, I)                 \
+#define BITSET_STATS_LIST_DENSITY_INC(BSET, I)         \

     bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_density[(I)]++
 
 
     bitset_stats_info->types[BITSET_TYPE_ (BSET)].list_density[(I)]++
 
 

-typedef struct bitset_stats_struct
-{
-  bitset bset;
-} *bitset_stats;
-
-
-struct bitset_struct
-{
-  struct bbitset_struct b;
-  struct bitset_stats_struct s;
-};
-
-

 struct bitset_type_info_struct
 {
   unsigned int allocs;
 struct bitset_type_info_struct
 {
   unsigned int allocs;


@@ -113,44 +99,13 @@ struct bitset_stats_info_struct
 
 struct bitset_stats_info_struct bitset_stats_info_data;
 struct bitset_stats_info_struct *bitset_stats_info;
 
 struct bitset_stats_info_struct bitset_stats_info_data;
 struct bitset_stats_info_struct *bitset_stats_info;

-int bitset_stats_enabled = 0;
-
-
-static void bitset_stats_set PARAMS ((bitset, bitset_bindex));
-static void bitset_stats_reset PARAMS ((bitset, bitset_bindex));
-static int bitset_stats_test PARAMS ((bitset, bitset_bindex));
-static int bitset_stats_size PARAMS ((bitset));
-static int bitset_stats_op1 PARAMS ((bitset, enum bitset_ops));
-static int bitset_stats_op2 PARAMS ((bitset, bitset, enum bitset_ops));
-static int bitset_stats_op3 PARAMS ((bitset, bitset, bitset, enum bitset_ops));
-static int bitset_stats_op4 PARAMS ((bitset, bitset, bitset, bitset,
-                                    enum bitset_ops));
-static int bitset_stats_list PARAMS ((bitset, bitset_bindex *, bitset_bindex,
-                                     bitset_bindex *));
-static int bitset_stats_reverse_list
-PARAMS ((bitset, bitset_bindex *, bitset_bindex, bitset_bindex *));
-static void bitset_stats_free PARAMS ((bitset));
-static void bitset_percent_histogram_print PARAMS ((FILE *, const char *,
-                                                   const char *,
-                                                   unsigned int,
-                                                   unsigned int *));
-static void bitset_log_histogram_print PARAMS ((FILE *, const char *,
-                                               const char *,
-                                               unsigned int,
-                                               unsigned int *));
-static void bitset_stats_print_1
-PARAMS ((FILE *, const char *, struct bitset_type_info_struct *));
-static void bitset_stats_print PARAMS ((FILE *, int));
+bool bitset_stats_enabled = false;

 
 
 /* Print a percentage histogram with message MSG to FILE.  */
 static void
 
 
 /* Print a percentage histogram with message MSG to FILE.  */
 static void

-bitset_percent_histogram_print (file, name, msg, n_bins, bins)
-     FILE *file;
-     const char *name;
-     const char *msg;
-     unsigned int n_bins;
-     unsigned int *bins;
+bitset_percent_histogram_print (FILE *file, const char *name, const char *msg,
+                               unsigned int n_bins, unsigned int *bins)

 {
   unsigned int i;
   unsigned int total;
 {
   unsigned int i;
   unsigned int total;


@@ -164,7 +119,7 @@ bitset_percent_histogram_print (file, name, msg, n_bins, bins)
 
   fprintf (file, "%s %s", name, msg);
   for (i = 0; i < n_bins; i++)
 
   fprintf (file, "%s %s", name, msg);
   for (i = 0; i < n_bins; i++)

-    fprintf (file, "%.0f-%.0f%%\t%8d (%5.1f%%)\n",
+    fprintf (file, "%.0f-%.0f%%\t%8u (%5.1f%%)\n",

             i * 100.0 / n_bins,
             (i + 1) * 100.0 / n_bins, bins[i],
             (100.0 * bins[i]) / total);
             i * 100.0 / n_bins,
             (i + 1) * 100.0 / n_bins, bins[i],
             (100.0 * bins[i]) / total);


@@ -173,17 +128,12 @@ bitset_percent_histogram_print (file, name, msg, n_bins, bins)
 
 /* Print a log histogram with message MSG to FILE.  */
 static void
 
 /* Print a log histogram with message MSG to FILE.  */
 static void

-bitset_log_histogram_print (file, name, msg, n_bins, bins)
-     FILE *file;
-     const char *name;
-     const char *msg;
-     unsigned int n_bins;
-     unsigned int *bins;
+bitset_log_histogram_print (FILE *file, const char *name, const char *msg,
+                           unsigned int n_bins, unsigned int *bins)

 {
   unsigned int i;
   unsigned int total;
   unsigned int max_width;
 {
   unsigned int i;
   unsigned int total;
   unsigned int max_width;

-  unsigned int last_bin;

 
   total = 0;
   for (i = 0; i < n_bins; i++)
 
   total = 0;
   for (i = 0; i < n_bins; i++)


@@ -192,51 +142,52 @@ bitset_log_histogram_print (file, name, msg, n_bins, bins)
   if (!total)
     return;
 
   if (!total)
     return;
 

+  /* Determine number of useful bins.  */

   for (i = n_bins; i > 3 && ! bins[i - 1]; i--)
      continue;
   for (i = n_bins; i > 3 && ! bins[i - 1]; i--)
      continue;

-  last_bin = i - 1;
+  n_bins = i;

 
   /* 2 * ceil (log10 (2) * (N - 1)) + 1.  */
   max_width = 2 * (unsigned int) (0.30103 * (n_bins - 1) + 0.9999) + 1;
 
   fprintf (file, "%s %s", name, msg);
   for (i = 0; i < 2; i++)
 
   /* 2 * ceil (log10 (2) * (N - 1)) + 1.  */
   max_width = 2 * (unsigned int) (0.30103 * (n_bins - 1) + 0.9999) + 1;
 
   fprintf (file, "%s %s", name, msg);
   for (i = 0; i < 2; i++)

-    fprintf (file, "%*d\t%8d (%5.1f%%)\n",
+    fprintf (file, "%*d\t%8u (%5.1f%%)\n",

             max_width, i, bins[i], 100.0 * bins[i] / total);
 
             max_width, i, bins[i], 100.0 * bins[i] / total);
 

-  for (; i <= last_bin; i++)
-    fprintf (file, "%*d-%d\t%8d (%5.1f%%)\n",
+  for (; i < n_bins; i++)
+    fprintf (file, "%*lu-%lu\t%8u (%5.1f%%)\n",

             max_width - ((unsigned int) (0.30103 * (i) + 0.9999) + 1),
             max_width - ((unsigned int) (0.30103 * (i) + 0.9999) + 1),

-            1 << (i - 1), (1 << i) - 1, bins[i],
+            1UL << (i - 1),
+            (1UL << i) - 1,
+            bins[i],

             (100.0 * bins[i]) / total);
 }
 
 
 /* Print bitset statistics to FILE.  */
 static void
             (100.0 * bins[i]) / total);
 }
 
 
 /* Print bitset statistics to FILE.  */
 static void

-bitset_stats_print_1 (file, name, stats)
-     FILE *file;
-     const char *name;
-     struct bitset_type_info_struct *stats;
+bitset_stats_print_1 (FILE *file, const char *name,
+                     struct bitset_type_info_struct *stats)

 {
   if (!stats)
     return;
 {
   if (!stats)
     return;

-  
+

   fprintf (file, "%s:\n", name);
   fprintf (file, "%s:\n", name);

-  fprintf (file, _("%d bitset_allocs, %d freed (%.2f%%).\n"),
+  fprintf (file, _("%u bitset_allocs, %u freed (%.2f%%).\n"),

           stats->allocs, stats->frees,
           stats->allocs ? 100.0 * stats->frees / stats->allocs : 0);
           stats->allocs, stats->frees,
           stats->allocs ? 100.0 * stats->frees / stats->allocs : 0);

-  fprintf (file, _("%d bitset_sets, %d cached (%.2f%%)\n"),
+  fprintf (file, _("%u bitset_sets, %u cached (%.2f%%)\n"),

           stats->sets, stats->cache_sets,
           stats->sets ? 100.0 * stats->cache_sets / stats->sets : 0);
           stats->sets, stats->cache_sets,
           stats->sets ? 100.0 * stats->cache_sets / stats->sets : 0);

-  fprintf (file, _("%d bitset_resets, %d cached (%.2f%%)\n"),
+  fprintf (file, _("%u bitset_resets, %u cached (%.2f%%)\n"),

           stats->resets, stats->cache_resets,
           stats->resets ? 100.0 * stats->cache_resets / stats->resets : 0);
           stats->resets, stats->cache_resets,
           stats->resets ? 100.0 * stats->cache_resets / stats->resets : 0);

-  fprintf (file, _("%d bitset_tests, %d cached (%.2f%%)\n"),
+  fprintf (file, _("%u bitset_tests, %u cached (%.2f%%)\n"),

           stats->tests, stats->cache_tests,
           stats->tests ? 100.0 * stats->cache_tests / stats->tests : 0);
 
           stats->tests, stats->cache_tests,
           stats->tests ? 100.0 * stats->cache_tests / stats->tests : 0);
 

-  fprintf (file, _("%d bitset_lists\n"), stats->lists);
+  fprintf (file, _("%u bitset_lists\n"), stats->lists);

 
   bitset_log_histogram_print (file, name, _("count log histogram\n"),
                              BITSET_LOG_COUNT_BINS, stats->list_counts);
 
   bitset_log_histogram_print (file, name, _("count log histogram\n"),
                              BITSET_LOG_COUNT_BINS, stats->list_counts);


@@ -251,12 +202,9 @@ bitset_stats_print_1 (file, name, stats)
 
 /* Print all bitset statistics to FILE.  */
 static void
 
 /* Print all bitset statistics to FILE.  */
 static void

-bitset_stats_print (file, verbose)
-     FILE *file;
-     int verbose ATTRIBUTE_UNUSED;
+bitset_stats_print (FILE *file, bool verbose ATTRIBUTE_UNUSED)

 {
   int i;
 {
   int i;

-  static const char *names[] = BITSET_TYPE_NAMES;

 
   if (!bitset_stats_info)
     return;
 
   if (!bitset_stats_info)
     return;


@@ -264,44 +212,44 @@ bitset_stats_print (file, verbose)
   fprintf (file, _("Bitset statistics:\n\n"));
 
   if (bitset_stats_info->runs > 1)
   fprintf (file, _("Bitset statistics:\n\n"));
 
   if (bitset_stats_info->runs > 1)

-    fprintf (file, _("Accumulated runs = %d\n"), bitset_stats_info->runs);
+    fprintf (file, _("Accumulated runs = %u\n"), bitset_stats_info->runs);

 
   for (i = 0; i < BITSET_TYPE_NUM; i++)
 
   for (i = 0; i < BITSET_TYPE_NUM; i++)

-    bitset_stats_print_1 (file, names[i], &bitset_stats_info->types[i]);
+    bitset_stats_print_1 (file, bitset_type_names[i],
+                         &bitset_stats_info->types[i]);

 }
 
 
 /* Initialise bitset statistics logging.  */
 void
 }
 
 
 /* Initialise bitset statistics logging.  */
 void

-bitset_stats_enable ()
+bitset_stats_enable (void)

 {
   if (!bitset_stats_info)
     bitset_stats_info = &bitset_stats_info_data;
 {
   if (!bitset_stats_info)
     bitset_stats_info = &bitset_stats_info_data;

-  bitset_stats_enabled = 1;
+  bitset_stats_enabled = true;

 }
 
 
 void
 }
 
 
 void

-bitset_stats_disable ()
+bitset_stats_disable (void)

 {
 {

-  bitset_stats_enabled = 0;
+  bitset_stats_enabled = false;

 }
 
 
 /* Read bitset statistics file.  */
 void
 }
 
 
 /* Read bitset statistics file.  */
 void

-bitset_stats_read (filename)
-     const char *filename;
+bitset_stats_read (const char *file_name)

 {
   FILE *file;
 
   if (!bitset_stats_info)
     return;
 {
   FILE *file;
 
   if (!bitset_stats_info)
     return;

-  
-  if (!filename)
-    filename = BITSET_STATS_FILE;

 
 

-  file = fopen (filename, "r");
+  if (!file_name)
+    file_name = BITSET_STATS_FILE;
+
+  file = fopen (file_name, "r");

   if (file)
     {
       if (fread (&bitset_stats_info_data, sizeof (bitset_stats_info_data),
   if (file)
     {
       if (fread (&bitset_stats_info_data, sizeof (bitset_stats_info_data),


@@ -312,7 +260,8 @@ bitset_stats_read (filename)
          else
            fprintf (stderr, _("Bad stats file size.\n"));
        }
          else
            fprintf (stderr, _("Bad stats file size.\n"));
        }

-      fclose (file);
+      if (fclose (file) != 0)
+       perror (_("Could not read stats file."));

     }
   bitset_stats_info_data.runs++;
 }
     }
   bitset_stats_info_data.runs++;
 }


@@ -320,24 +269,24 @@ bitset_stats_read (filename)
 
 /* Write bitset statistics file.  */
 void
 
 /* Write bitset statistics file.  */
 void

-bitset_stats_write (filename)
-     const char *filename;
+bitset_stats_write (const char *file_name)

 {
   FILE *file;
 
   if (!bitset_stats_info)
     return;
 
 {
   FILE *file;
 
   if (!bitset_stats_info)
     return;
 

-  if (!filename)
-    filename = BITSET_STATS_FILE;
+  if (!file_name)
+    file_name = BITSET_STATS_FILE;

 
 

-  file = fopen (filename, "w");
+  file = fopen (file_name, "w");

   if (file)
     {
       if (fwrite (&bitset_stats_info_data, sizeof (bitset_stats_info_data),
                  1, file) != 1)
        perror (_("Could not write stats file."));
   if (file)
     {
       if (fwrite (&bitset_stats_info_data, sizeof (bitset_stats_info_data),
                  1, file) != 1)
        perror (_("Could not write stats file."));

-      fclose (file);
+      if (fclose (file) != 0)
+       perror (_("Could not write stats file."));

     }
   else
     perror (_("Could not open stats file for writing."));
     }
   else
     perror (_("Could not open stats file for writing."));


@@ -346,10 +295,9 @@ bitset_stats_write (filename)
 
 /* Dump bitset statistics to FILE.  */
 void
 
 /* Dump bitset statistics to FILE.  */
 void

-bitset_stats_dump (file)
-     FILE *file;
+bitset_stats_dump (FILE *file)

 {
 {

-  bitset_stats_print (file, 0);
+  bitset_stats_print (file, false);

 }
 
 
 }
 
 


@@ -357,19 +305,17 @@ bitset_stats_dump (file)
 void
 debug_bitset_stats (void)
 {
 void
 debug_bitset_stats (void)
 {

-  bitset_stats_print (stderr, 1);
+  bitset_stats_print (stderr, true);

 }
 
 
 static void
 }
 
 
 static void

-bitset_stats_set (dst, bitno)
-     bitset dst;
-     bitset_bindex bitno;
+bitset_stats_set (bitset dst, bitset_bindex bitno)

 {
   bitset bset = dst->s.bset;
   bitset_windex wordno = bitno / BITSET_WORD_BITS;
   bitset_windex offset = wordno - bset->b.cindex;
 {
   bitset bset = dst->s.bset;
   bitset_windex wordno = bitno / BITSET_WORD_BITS;
   bitset_windex offset = wordno - bset->b.cindex;

-  
+

   BITSET_STATS_SETS_INC (bset);
 
   if (offset < bset->b.csize)
   BITSET_STATS_SETS_INC (bset);
 
   if (offset < bset->b.csize)


@@ -383,14 +329,12 @@ bitset_stats_set (dst, bitno)
 
 
 static void
 
 
 static void

-bitset_stats_reset (dst, bitno)
-     bitset dst;
-     bitset_bindex bitno;
+bitset_stats_reset (bitset dst, bitset_bindex bitno)

 {
   bitset bset = dst->s.bset;
   bitset_windex wordno = bitno / BITSET_WORD_BITS;
   bitset_windex offset = wordno - bset->b.cindex;
 {
   bitset bset = dst->s.bset;
   bitset_windex wordno = bitno / BITSET_WORD_BITS;
   bitset_windex offset = wordno - bset->b.cindex;

-  
+

   BITSET_STATS_RESETS_INC (bset);
 
   if (offset < bset->b.csize)
   BITSET_STATS_RESETS_INC (bset);
 
   if (offset < bset->b.csize)


@@ -404,17 +348,22 @@ bitset_stats_reset (dst, bitno)
 }
 
 
 }
 
 

-static int
-bitset_stats_test (src, bitno)
-     bitset src;
-     bitset_bindex bitno;
+static bool
+bitset_stats_toggle (bitset src, bitset_bindex bitno)
+{
+    return BITSET_TOGGLE_ (src->s.bset, bitno);
+}
+
+
+static bool
+bitset_stats_test (bitset src, bitset_bindex bitno)

 {
   bitset bset = src->s.bset;
   bitset_windex wordno = bitno / BITSET_WORD_BITS;
   bitset_windex offset = wordno - bset->b.cindex;
 
   BITSET_STATS_TESTS_INC (bset);
 {
   bitset bset = src->s.bset;
   bitset_windex wordno = bitno / BITSET_WORD_BITS;
   bitset_windex offset = wordno - bset->b.cindex;
 
   BITSET_STATS_TESTS_INC (bset);

-  
+

   if (offset < bset->b.csize)
     {
       BITSET_STATS_CACHE_TESTS_INC (bset);
   if (offset < bset->b.csize)
     {
       BITSET_STATS_CACHE_TESTS_INC (bset);


@@ -425,74 +374,203 @@ bitset_stats_test (src, bitno)
 }
 
 
 }
 
 

-static int
-bitset_stats_size (src)
-     bitset src;
+static bitset_bindex
+bitset_stats_resize (bitset src, bitset_bindex size)
+{
+    return BITSET_RESIZE_ (src->s.bset, size);
+}
+
+
+static bitset_bindex
+bitset_stats_size (bitset src)

 {
   return BITSET_SIZE_ (src->s.bset);
 }
 
 
 {
   return BITSET_SIZE_ (src->s.bset);
 }
 
 

-static int
-bitset_stats_op1 (dst, op)
-     bitset dst;
-     enum bitset_ops op;
+static bitset_bindex
+bitset_stats_count (bitset src)
+{
+  return BITSET_COUNT_ (src->s.bset);
+}
+
+
+static bool
+bitset_stats_empty_p (bitset dst)
+{
+  return BITSET_EMPTY_P_ (dst->s.bset);
+}
+
+
+static void
+bitset_stats_ones (bitset dst)
+{
+  BITSET_ONES_ (dst->s.bset);
+}
+
+
+static void
+bitset_stats_zero (bitset dst)
+{
+  BITSET_ZERO_ (dst->s.bset);
+}
+
+
+static void
+bitset_stats_copy (bitset dst, bitset src)

 {
 {

-  return BITSET_OP1_ (dst->s.bset, op);
+  BITSET_CHECK2_ (dst, src);
+  BITSET_COPY_ (dst->s.bset, src->s.bset);

 }
 
 
 }
 
 

-static int
-bitset_stats_op2 (dst, src, op)
-     bitset dst;
-     bitset src;
-     enum bitset_ops op;
+static bool
+bitset_stats_disjoint_p (bitset dst, bitset src)

 {
   BITSET_CHECK2_ (dst, src);
 {
   BITSET_CHECK2_ (dst, src);

-  return BITSET_OP2_ (dst->s.bset, src->s.bset, op);
+  return BITSET_DISJOINT_P_ (dst->s.bset, src->s.bset);

 }
 
 
 }
 
 

-static int
-bitset_stats_op3 (dst, src1, src2, op)
-     bitset dst;
-     bitset src1;
-     bitset src2;
-     enum bitset_ops op;
+static bool
+bitset_stats_equal_p (bitset dst, bitset src)
+{
+  BITSET_CHECK2_ (dst, src);
+  return BITSET_EQUAL_P_ (dst->s.bset, src->s.bset);
+}
+
+
+static void
+bitset_stats_not (bitset dst, bitset src)
+{
+  BITSET_CHECK2_ (dst, src);
+  BITSET_NOT_ (dst->s.bset, src->s.bset);
+}
+
+
+static bool
+bitset_stats_subset_p (bitset dst, bitset src)
+{
+  BITSET_CHECK2_ (dst, src);
+  return BITSET_SUBSET_P_ (dst->s.bset, src->s.bset);
+}
+
+
+static void
+bitset_stats_and (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  BITSET_AND_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static bool
+bitset_stats_and_cmp (bitset dst, bitset src1, bitset src2)

 {
   BITSET_CHECK3_ (dst, src1, src2);
 {
   BITSET_CHECK3_ (dst, src1, src2);

-  return BITSET_OP3_ (dst->s.bset, src1->s.bset, src2->s.bset, op);
+  return BITSET_AND_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset);

 }
 
 
 }
 
 

-static int
-bitset_stats_op4 (dst, src1, src2, src3, op)
-     bitset dst;
-     bitset src1;
-     bitset src2;
-     bitset src3;
-     enum bitset_ops op;
+static void
+bitset_stats_andn (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  BITSET_ANDN_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static bool
+bitset_stats_andn_cmp (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  return BITSET_ANDN_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static void
+bitset_stats_or (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  BITSET_OR_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static bool
+bitset_stats_or_cmp (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  return BITSET_OR_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static void
+bitset_stats_xor (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  BITSET_XOR_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static bool
+bitset_stats_xor_cmp (bitset dst, bitset src1, bitset src2)
+{
+  BITSET_CHECK3_ (dst, src1, src2);
+  return BITSET_XOR_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset);
+}
+
+
+static void
+bitset_stats_and_or (bitset dst, bitset src1, bitset src2, bitset src3)

 {
   BITSET_CHECK4_ (dst, src1, src2, src3);
 {
   BITSET_CHECK4_ (dst, src1, src2, src3);

+  BITSET_AND_OR_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);
+}

 
 

-  /* This is a bit of a hack.  If the implementation handles
-     a four operand operation then vector to it, passing
-     the enclosed bitsets.  Otherwise use the fallback 
-     bitset_op4 routine.  */
-  if (dst->s.bset->b.ops->op4 != bitset_op4)
-     return BITSET_OP4_ (dst->s.bset, src1->s.bset, src2->s.bset,
-                        src3->s.bset, op);

 
 

-  return bitset_op4 (dst, src1, src2, src3, op);
+static bool
+bitset_stats_and_or_cmp (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+  BITSET_CHECK4_ (dst, src1, src2, src3);
+  return BITSET_AND_OR_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);

 }
 
 
 }
 
 

-static int
-bitset_stats_list (bset, list, num, next)
-     bitset bset;
-     bitset_bindex *list;
-     bitset_bindex num;
-     bitset_bindex *next;
+static void
+bitset_stats_andn_or (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+  BITSET_CHECK4_ (dst, src1, src2, src3);
+  BITSET_ANDN_OR_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);
+}
+
+
+static bool
+bitset_stats_andn_or_cmp (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+  BITSET_CHECK4_ (dst, src1, src2, src3);
+  return BITSET_ANDN_OR_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);
+}
+
+
+static void
+bitset_stats_or_and (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+  BITSET_CHECK4_ (dst, src1, src2, src3);
+  BITSET_OR_AND_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);
+}
+
+
+static bool
+bitset_stats_or_and_cmp (bitset dst, bitset src1, bitset src2, bitset src3)
+{
+  BITSET_CHECK4_ (dst, src1, src2, src3);
+  return BITSET_OR_AND_CMP_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);
+}
+
+
+static bitset_bindex
+bitset_stats_list (bitset bset, bitset_bindex *list,
+                  bitset_bindex num, bitset_bindex *next)

 {
   bitset_bindex count;
   bitset_bindex tmp;
 {
   bitset_bindex count;
   bitset_bindex tmp;


@@ -501,17 +579,17 @@ bitset_stats_list (bset, list, num, next)
   enum bitset_type type;
 
   count = BITSET_LIST_ (bset->s.bset, list, num, next);
   enum bitset_type type;
 
   count = BITSET_LIST_ (bset->s.bset, list, num, next);

-  
+

   type = BITSET_TYPE_ (bset->s.bset);
   BITSET_STATS_LISTS_INC (bset->s.bset);
   type = BITSET_TYPE_ (bset->s.bset);
   BITSET_STATS_LISTS_INC (bset->s.bset);

-  
+

   /* Log histogram of number of set bits.  */
   for (i = 0, tmp = count; tmp; tmp >>= 1, i++)
      continue;
   if (i >= BITSET_LOG_COUNT_BINS)
      i = BITSET_LOG_COUNT_BINS - 1;
   BITSET_STATS_LIST_COUNTS_INC (bset->s.bset, i);
   /* Log histogram of number of set bits.  */
   for (i = 0, tmp = count; tmp; tmp >>= 1, i++)
      continue;
   if (i >= BITSET_LOG_COUNT_BINS)
      i = BITSET_LOG_COUNT_BINS - 1;
   BITSET_STATS_LIST_COUNTS_INC (bset->s.bset, i);

-  
+

   /* Log histogram of number of bits in set.  */
   size = BITSET_SIZE_ (bset->s.bset);
   for (i = 0, tmp = size; tmp; tmp >>= 1, i++)
   /* Log histogram of number of bits in set.  */
   size = BITSET_SIZE_ (bset->s.bset);
   for (i = 0, tmp = size; tmp; tmp >>= 1, i++)


@@ -519,7 +597,7 @@ bitset_stats_list (bset, list, num, next)
   if (i >= BITSET_LOG_SIZE_BINS)
      i = BITSET_LOG_SIZE_BINS - 1;
   BITSET_STATS_LIST_SIZES_INC (bset->s.bset, i);
   if (i >= BITSET_LOG_SIZE_BINS)
      i = BITSET_LOG_SIZE_BINS - 1;
   BITSET_STATS_LIST_SIZES_INC (bset->s.bset, i);

-  
+

   /* Histogram of fraction of bits set.  */
   i = size ? (count * BITSET_DENSITY_BINS) / size : 0;
   if (i >= BITSET_DENSITY_BINS)
   /* Histogram of fraction of bits set.  */
   i = size ? (count * BITSET_DENSITY_BINS) / size : 0;
   if (i >= BITSET_DENSITY_BINS)


@@ -529,37 +607,54 @@ bitset_stats_list (bset, list, num, next)
 }
 
 
 }
 
 

-static int
-bitset_stats_reverse_list (bset, list, num, next)
-     bitset bset;
-     bitset_bindex *list;
-     bitset_bindex num;
-     bitset_bindex *next;
+static bitset_bindex
+bitset_stats_list_reverse (bitset bset, bitset_bindex *list,
+                          bitset_bindex num, bitset_bindex *next)

 {
 {

-  return BITSET_REVERSE_LIST_ (bset->s.bset, list, num, next);
+  return BITSET_LIST_REVERSE_ (bset->s.bset, list, num, next);

 }
 
 
 static void
 }
 
 
 static void

-bitset_stats_free (bset)
-     bitset bset;
+bitset_stats_free (bitset bset)

 {
   BITSET_STATS_FREES_INC (bset->s.bset);
   BITSET_FREE_ (bset->s.bset);
 }
 
 
 {
   BITSET_STATS_FREES_INC (bset->s.bset);
   BITSET_FREE_ (bset->s.bset);
 }
 
 

-struct bitset_ops_struct bitset_stats_ops = {
+struct bitset_vtable bitset_stats_vtable = {

   bitset_stats_set,
   bitset_stats_reset,
   bitset_stats_set,
   bitset_stats_reset,

+  bitset_stats_toggle,

   bitset_stats_test,
   bitset_stats_test,

+  bitset_stats_resize,

   bitset_stats_size,
   bitset_stats_size,

-  bitset_stats_op1,
-  bitset_stats_op2,
-  bitset_stats_op3,
-  bitset_stats_op4,
+  bitset_stats_count,
+  bitset_stats_empty_p,
+  bitset_stats_ones,
+  bitset_stats_zero,
+  bitset_stats_copy,
+  bitset_stats_disjoint_p,
+  bitset_stats_equal_p,
+  bitset_stats_not,
+  bitset_stats_subset_p,
+  bitset_stats_and,
+  bitset_stats_and_cmp,
+  bitset_stats_andn,
+  bitset_stats_andn_cmp,
+  bitset_stats_or,
+  bitset_stats_or_cmp,
+  bitset_stats_xor,
+  bitset_stats_xor_cmp,
+  bitset_stats_and_or,
+  bitset_stats_and_or_cmp,
+  bitset_stats_andn_or,
+  bitset_stats_andn_or_cmp,
+  bitset_stats_or_and,
+  bitset_stats_or_and_cmp,

   bitset_stats_list,
   bitset_stats_list,

-  bitset_stats_reverse_list,
+  bitset_stats_list_reverse,

   bitset_stats_free,
   BITSET_STATS
 };
   bitset_stats_free,
   BITSET_STATS
 };


@@ -567,64 +662,69 @@ struct bitset_ops_struct bitset_stats_ops = {
 
 /* Return enclosed bitset type.  */
 enum bitset_type
 
 /* Return enclosed bitset type.  */
 enum bitset_type

-bitset_stats_type_get (bset)
-   bitset bset;
+bitset_stats_type_get (bitset bset)

 {
    return BITSET_TYPE_ (bset->s.bset);
 }
 
 
 {
    return BITSET_TYPE_ (bset->s.bset);
 }
 
 

-int bitset_stats_bytes (void)
+size_t
+bitset_stats_bytes (void)

 {
 {

-  return sizeof (struct bitset_struct);
+  return sizeof (struct bitset_stats_struct);

 }
 
 
 bitset
 }
 
 
 bitset

-bitset_stats_init (bset, n_bits, type)
-     bitset bset;
-     bitset_bindex n_bits;
-     enum bitset_type type;
+bitset_stats_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)

 {
 {

-  unsigned int bytes;
+  size_t bytes;

   bitset sbset;
 
   bitset sbset;
 

-  bset->b.ops = &bitset_stats_ops;
+  bset->b.vtable = &bitset_stats_vtable;

 
   /* Disable cache.  */
   bset->b.cindex = 0;
   bset->b.csize = 0;
   bset->b.cdata = 0;
 
 
   /* Disable cache.  */
   bset->b.cindex = 0;
   bset->b.csize = 0;
   bset->b.cdata = 0;
 

+  BITSET_NBITS_ (bset) = n_bits;
+

   /* Set up the actual bitset implementation that
      we are a wrapper over.  */
   switch (type)
     {
   /* Set up the actual bitset implementation that
      we are a wrapper over.  */
   switch (type)
     {

+    default:
+      abort ();
+

     case BITSET_ARRAY:
       bytes = abitset_bytes (n_bits);
     case BITSET_ARRAY:
       bytes = abitset_bytes (n_bits);

-      sbset = (bitset) xcalloc (1, bytes);
+      sbset = xcalloc (1, bytes);

       abitset_init (sbset, n_bits);
       break;
 
     case BITSET_LIST:
       bytes = lbitset_bytes (n_bits);
       abitset_init (sbset, n_bits);
       break;
 
     case BITSET_LIST:
       bytes = lbitset_bytes (n_bits);

-      sbset = (bitset) xcalloc (1, bytes);
+      sbset = xcalloc (1, bytes);

       lbitset_init (sbset, n_bits);
       break;
 
     case BITSET_TABLE:
       bytes = ebitset_bytes (n_bits);
       lbitset_init (sbset, n_bits);
       break;
 
     case BITSET_TABLE:
       bytes = ebitset_bytes (n_bits);

-      sbset = (bitset) xcalloc (1, bytes);
+      sbset = xcalloc (1, bytes);

       ebitset_init (sbset, n_bits);
       break;
 
       ebitset_init (sbset, n_bits);
       break;
 

-    default:
-      abort ();
+    case BITSET_VARRAY:
+      bytes = vbitset_bytes (n_bits);
+      sbset = xcalloc (1, bytes);
+      vbitset_init (sbset, n_bits);
+      break;

     }
 
   bset->s.bset = sbset;
 
   BITSET_STATS_ALLOCS_INC (type);
     }
 
   bset->s.bset = sbset;
 
   BITSET_STATS_ALLOCS_INC (type);

-  
+

   return bset;
 }
   return bset;
 }