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Import of 2003-06-08 libbitset <http://mail.gnu.org/archive/html/bison-patches/2003-06/msg00005.html>

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This commit is contained in:
Paul Eggert
2003-06-02 10:19:37 +00:00
parent ac695f7df5
commit eaef5507fc
3 changed files with 86 additions and 39 deletions
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31
lib/bitset_stats.c
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@@ -1,5 +1,5 @@
/* Bitset statistics.
Copyright (C) 2002, 2003 Free Software Foundation, Inc.
Copyright (C) 2002 Free Software Foundation, Inc.
Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
This program is free software; you can redistribute it and/or modify
@@ -33,13 +33,18 @@
#include "abitset.h"
#include "ebitset.h"
#include "lbitset.h"
#include "vbitset.h"
#include "bitset_stats.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef HAVE_GETTEXT_H
#include "gettext.h"
#define _(Msgid) gettext (Msgid)
#else
#define _(Msgid) Msgid
#endif
/* Configuration macros. */
#define BITSET_STATS_FILE "bitset.dat"
@@ -375,6 +380,13 @@ bitset_stats_test (bitset src, bitset_bindex bitno)
}
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)
{
@@ -518,7 +530,6 @@ static void
bitset_stats_and_or (bitset dst, bitset src1, bitset src2, bitset src3)
{
BITSET_CHECK4_ (dst, src1, src2, src3);
BITSET_AND_OR_ (dst->s.bset, src1->s.bset, src2->s.bset, src3->s.bset);
}
@@ -527,7 +538,6 @@ 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);
}
@@ -536,7 +546,6 @@ 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);
}
@@ -545,7 +554,6 @@ 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);
}
@@ -554,7 +562,6 @@ 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);
}
@@ -563,7 +570,6 @@ 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);
}
@@ -576,9 +582,11 @@ bitset_stats_list (bitset bset, bitset_bindex *list,
bitset_bindex tmp;
bitset_bindex size;
bitset_bindex i;
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);
/* Log histogram of number of set bits. */
@@ -626,6 +634,7 @@ struct bitset_vtable bitset_stats_vtable = {
bitset_stats_reset,
bitset_stats_toggle,
bitset_stats_test,
bitset_stats_resize,
bitset_stats_size,
bitset_stats_count,
bitset_stats_empty_p,
@@ -685,6 +694,8 @@ bitset_stats_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)
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)
@@ -707,6 +718,12 @@ bitset_stats_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)
ebitset_init (sbset, n_bits);
break;
case BITSET_VARRAY:
bytes = vbitset_bytes (n_bits);
sbset = (bitset) xcalloc (1, bytes);
vbitset_init (sbset, n_bits);
break;
default:
abort ();
}