/* Functions to support link list bitsets.
- Copyright (C) 2002-2004, 2006, 2009-2010 Free Software Foundation,
- Inc.
+
+ Copyright (C) 2002-2004, 2006, 2009-2012 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
These are linked together in a doubly-linked list. */
typedef struct lbitset_elt_struct
{
- struct lbitset_elt_struct *next; /* Next element. */
- struct lbitset_elt_struct *prev; /* Previous element. */
- bitset_windex index; /* bitno / BITSET_WORD_BITS. */
- bitset_word words[LBITSET_ELT_WORDS]; /* Bits that are set. */
+ struct lbitset_elt_struct *next; /* Next element. */
+ struct lbitset_elt_struct *prev; /* Previous element. */
+ bitset_windex index; /* bitno / BITSET_WORD_BITS. */
+ bitset_word words[LBITSET_ELT_WORDS]; /* Bits that are set. */
}
lbitset_elt;
/* Obstack to allocate bitset elements from. */
static struct obstack lbitset_obstack;
static bool lbitset_obstack_init = false;
-static lbitset_elt *lbitset_free_list; /* Free list of bitset elements. */
+static lbitset_elt *lbitset_free_list; /* Free list of bitset elements. */
extern void debug_lbitset (bitset);
else
{
if (!lbitset_obstack_init)
- {
- lbitset_obstack_init = true;
+ {
+ lbitset_obstack_init = true;
- /* Let particular systems override the size of a chunk. */
+ /* Let particular systems override the size of a chunk. */
#ifndef OBSTACK_CHUNK_SIZE
#define OBSTACK_CHUNK_SIZE 0
#endif
- /* Let them override the alloc and free routines too. */
+ /* Let them override the alloc and free routines too. */
#ifndef OBSTACK_CHUNK_ALLOC
#define OBSTACK_CHUNK_ALLOC xmalloc
#define __alignof__(type) 0
#endif
- obstack_specify_allocation (&lbitset_obstack, OBSTACK_CHUNK_SIZE,
- __alignof__ (lbitset_elt),
- OBSTACK_CHUNK_ALLOC,
- OBSTACK_CHUNK_FREE);
- }
+ obstack_specify_allocation (&lbitset_obstack, OBSTACK_CHUNK_SIZE,
+ __alignof__ (lbitset_elt),
+ OBSTACK_CHUNK_ALLOC,
+ OBSTACK_CHUNK_FREE);
+ }
/* Perhaps we should add a number of new elements to the free
- list. */
+ list. */
elt = (lbitset_elt *) obstack_alloc (&lbitset_obstack,
- sizeof (lbitset_elt));
+ sizeof (lbitset_elt));
}
return elt;
if (LBITSET_CURRENT (bset) == elt)
{
if (next)
- {
- bset->b.cdata = next->words;
- bset->b.cindex = next->index;
- }
+ {
+ bset->b.cdata = next->words;
+ bset->b.cindex = next->index;
+ }
else if (prev)
- {
- bset->b.cdata = prev->words;
- bset->b.cindex = prev->index;
- }
+ {
+ bset->b.cdata = prev->words;
+ bset->b.cindex = prev->index;
+ }
else
- {
- bset->b.csize = 0;
- bset->b.cdata = 0;
- }
+ {
+ bset->b.csize = 0;
+ bset->b.cdata = 0;
+ }
}
lbitset_elt_free (elt);
else if (windex < bset->b.cindex)
{
for (ptr = current;
- ptr->prev && ptr->prev->index > windex; ptr = ptr->prev)
- continue;
+ ptr->prev && ptr->prev->index > windex; ptr = ptr->prev)
+ continue;
if (ptr->prev)
- ptr->prev->next = elt;
+ ptr->prev->next = elt;
else
- LBITSET_HEAD (bset) = elt;
+ LBITSET_HEAD (bset) = elt;
elt->prev = ptr->prev;
elt->next = ptr;
else
{
for (ptr = current;
- ptr->next && ptr->next->index < windex; ptr = ptr->next)
- continue;
+ ptr->next && ptr->next->index < windex; ptr = ptr->next)
+ continue;
if (ptr->next)
- ptr->next->prev = elt;
+ ptr->next->prev = elt;
else
- LBITSET_TAIL (bset) = elt;
+ LBITSET_TAIL (bset) = elt;
elt->next = ptr->next;
elt->prev = ptr;
static lbitset_elt *
lbitset_elt_find (bitset bset, bitset_windex windex,
- enum lbitset_find_mode mode)
+ enum lbitset_find_mode mode)
{
lbitset_elt *elt;
lbitset_elt *current;
current = LBITSET_CURRENT (bset);
/* Check if element is the cached element. */
if ((windex - bset->b.cindex) < bset->b.csize)
- return current;
+ return current;
}
else
{
if (current)
{
if (windex < bset->b.cindex)
- {
- for (elt = current;
- elt->prev && elt->index > windex; elt = elt->prev)
- continue;
- }
+ {
+ for (elt = current;
+ elt->prev && elt->index > windex; elt = elt->prev)
+ continue;
+ }
else
- {
- for (elt = current;
- elt->next && (elt->index + LBITSET_ELT_WORDS - 1) < windex;
- elt = elt->next)
- continue;
- }
+ {
+ for (elt = current;
+ elt->next && (elt->index + LBITSET_ELT_WORDS - 1) < windex;
+ elt = elt->next)
+ continue;
+ }
/* ELT is the nearest to the one we want. If it's not the one
- we want, the one we want does not exist. */
- if (elt && (windex - elt->index) < LBITSET_ELT_WORDS)
- {
- bset->b.cindex = elt->index;
- bset->b.csize = LBITSET_ELT_WORDS;
- bset->b.cdata = elt->words;
- return elt;
- }
+ we want, the one we want does not exist. */
+ if (windex - elt->index < LBITSET_ELT_WORDS)
+ {
+ bset->b.cindex = elt->index;
+ bset->b.csize = LBITSET_ELT_WORDS;
+ bset->b.cdata = elt->words;
+ return elt;
+ }
}
switch (mode)
{
next = elt->next;
if (lbitset_elt_zero_p (elt))
- lbitset_elt_unlink (bset, elt);
+ lbitset_elt_unlink (bset, elt);
}
}
selt && delt; selt = selt->next, delt = delt->next)
{
if (selt->index != delt->index)
- return false;
+ return false;
for (j = 0; j < LBITSET_ELT_WORDS; j++)
- if (delt->words[j] != selt->words[j])
- return false;
+ if (delt->words[j] != selt->words[j])
+ return false;
}
return !selt && !delt;
}
tmp->prev = prev;
tmp->next = 0;
if (prev)
- prev->next = tmp;
+ prev->next = tmp;
else
- LBITSET_HEAD (dst) = tmp;
+ LBITSET_HEAD (dst) = tmp;
prev = tmp;
memcpy (tmp->words, elt->words, sizeof (elt->words));
bitset_windex windex = bitno / BITSET_WORD_BITS;
return (lbitset_elt_find (src, windex, LBITSET_FIND)
- && ((src->b.cdata[windex - src->b.cindex]
- >> (bitno % BITSET_WORD_BITS))
- & 1));
+ && ((src->b.cdata[windex - src->b.cindex]
+ >> (bitno % BITSET_WORD_BITS))
+ & 1));
}
found and with *NEXT indicating where search stopped. */
static bitset_bindex
lbitset_list_reverse (bitset bset, bitset_bindex *list,
- bitset_bindex num, bitset_bindex *next)
+ bitset_bindex num, bitset_bindex *next)
{
bitset_bindex rbitno;
bitset_bindex bitno;
if (windex >= elt->index + LBITSET_ELT_WORDS)
{
/* We are trying to start in no-mans land so start
- at end of current elt. */
+ at end of current elt. */
bcount = BITSET_WORD_BITS - 1;
windex = elt->index + LBITSET_ELT_WORDS - 1;
}
bitset_word *srcp = elt->words;
for (; (windex - elt->index) < LBITSET_ELT_WORDS;
- windex--, boffset -= BITSET_WORD_BITS,
- bcount = BITSET_WORD_BITS - 1)
- {
- word =
- srcp[windex - elt->index] << (BITSET_WORD_BITS - 1 - bcount);
-
- for (; word; bcount--)
- {
- if (word & BITSET_MSB)
- {
- list[count++] = boffset + bcount;
- if (count >= num)
- {
- *next = n_bits - (boffset + bcount);
- return count;
- }
- }
- word <<= 1;
- }
- }
+ windex--, boffset -= BITSET_WORD_BITS,
+ bcount = BITSET_WORD_BITS - 1)
+ {
+ word =
+ srcp[windex - elt->index] << (BITSET_WORD_BITS - 1 - bcount);
+
+ for (; word; bcount--)
+ {
+ if (word & BITSET_MSB)
+ {
+ list[count++] = boffset + bcount;
+ if (count >= num)
+ {
+ *next = n_bits - (boffset + bcount);
+ return count;
+ }
+ }
+ word <<= 1;
+ }
+ }
elt = elt->prev;
if (elt)
- {
- windex = elt->index + LBITSET_ELT_WORDS - 1;
- boffset = windex * BITSET_WORD_BITS;
- }
+ {
+ windex = elt->index + LBITSET_ELT_WORDS - 1;
+ boffset = windex * BITSET_WORD_BITS;
+ }
}
*next = n_bits - (boffset + 1);
found and with *NEXT indicating where search stopped. */
static bitset_bindex
lbitset_list (bitset bset, bitset_bindex *list,
- bitset_bindex num, bitset_bindex *next)
+ bitset_bindex num, bitset_bindex *next)
{
bitset_bindex bitno;
bitset_windex windex;
/* Skip to starting element. */
for (elt = head;
- elt && (elt->index + LBITSET_ELT_WORDS - 1) < windex;
- elt = elt->next)
- continue;
+ elt && (elt->index + LBITSET_ELT_WORDS - 1) < windex;
+ elt = elt->next)
+ continue;
if (!elt)
- return 0;
+ return 0;
if (windex < elt->index)
- {
- windex = elt->index;
- bitno = windex * BITSET_WORD_BITS;
- }
+ {
+ windex = elt->index;
+ bitno = windex * BITSET_WORD_BITS;
+ }
else
- {
- bitset_word *srcp = elt->words;
-
- /* We are starting within an element. */
-
- for (; (windex - elt->index) < LBITSET_ELT_WORDS; windex++)
- {
- word = srcp[windex - elt->index] >> (bitno % BITSET_WORD_BITS);
-
- for (; word; bitno++)
- {
- if (word & 1)
- {
- list[count++] = bitno;
- if (count >= num)
- {
- *next = bitno + 1;
- return count;
- }
- }
- word >>= 1;
- }
- bitno = (windex + 1) * BITSET_WORD_BITS;
- }
-
- elt = elt->next;
- if (elt)
- {
- windex = elt->index;
- bitno = windex * BITSET_WORD_BITS;
- }
- }
+ {
+ bitset_word *srcp = elt->words;
+
+ /* We are starting within an element. */
+
+ for (; (windex - elt->index) < LBITSET_ELT_WORDS; windex++)
+ {
+ word = srcp[windex - elt->index] >> (bitno % BITSET_WORD_BITS);
+
+ for (; word; bitno++)
+ {
+ if (word & 1)
+ {
+ list[count++] = bitno;
+ if (count >= num)
+ {
+ *next = bitno + 1;
+ return count;
+ }
+ }
+ word >>= 1;
+ }
+ bitno = (windex + 1) * BITSET_WORD_BITS;
+ }
+
+ elt = elt->next;
+ if (elt)
+ {
+ windex = elt->index;
+ bitno = windex * BITSET_WORD_BITS;
+ }
+ }
}
bitset_word *srcp = elt->words;
if ((count + LBITSET_ELT_BITS) < num)
- {
- /* The coast is clear, plant boot! */
+ {
+ /* The coast is clear, plant boot! */
#if LBITSET_ELT_WORDS == 2
- word = srcp[0];
- if (word)
- {
- if (!(word & 0xffff))
- {
- word >>= 16;
- bitno += 16;
- }
- if (!(word & 0xff))
- {
- word >>= 8;
- bitno += 8;
- }
- for (; word; bitno++)
- {
- if (word & 1)
- list[count++] = bitno;
- word >>= 1;
- }
- }
- windex++;
- bitno = windex * BITSET_WORD_BITS;
-
- word = srcp[1];
- if (word)
- {
- if (!(word & 0xffff))
- {
- word >>= 16;
- bitno += 16;
- }
- for (; word; bitno++)
- {
- if (word & 1)
- list[count++] = bitno;
- word >>= 1;
- }
- }
- windex++;
- bitno = windex * BITSET_WORD_BITS;
+ word = srcp[0];
+ if (word)
+ {
+ if (!(word & 0xffff))
+ {
+ word >>= 16;
+ bitno += 16;
+ }
+ if (!(word & 0xff))
+ {
+ word >>= 8;
+ bitno += 8;
+ }
+ for (; word; bitno++)
+ {
+ if (word & 1)
+ list[count++] = bitno;
+ word >>= 1;
+ }
+ }
+ windex++;
+ bitno = windex * BITSET_WORD_BITS;
+
+ word = srcp[1];
+ if (word)
+ {
+ if (!(word & 0xffff))
+ {
+ word >>= 16;
+ bitno += 16;
+ }
+ for (; word; bitno++)
+ {
+ if (word & 1)
+ list[count++] = bitno;
+ word >>= 1;
+ }
+ }
+ windex++;
+ bitno = windex * BITSET_WORD_BITS;
#else
- for (i = 0; i < LBITSET_ELT_WORDS; i++)
- {
- word = srcp[i];
- if (word)
- {
- if (!(word & 0xffff))
- {
- word >>= 16;
- bitno += 16;
- }
- if (!(word & 0xff))
- {
- word >>= 8;
- bitno += 8;
- }
- for (; word; bitno++)
- {
- if (word & 1)
- list[count++] = bitno;
- word >>= 1;
- }
- }
- windex++;
- bitno = windex * BITSET_WORD_BITS;
- }
+ for (i = 0; i < LBITSET_ELT_WORDS; i++)
+ {
+ word = srcp[i];
+ if (word)
+ {
+ if (!(word & 0xffff))
+ {
+ word >>= 16;
+ bitno += 16;
+ }
+ if (!(word & 0xff))
+ {
+ word >>= 8;
+ bitno += 8;
+ }
+ for (; word; bitno++)
+ {
+ if (word & 1)
+ list[count++] = bitno;
+ word >>= 1;
+ }
+ }
+ windex++;
+ bitno = windex * BITSET_WORD_BITS;
+ }
#endif
- }
+ }
else
- {
- /* Tread more carefully since we need to check
- if array overflows. */
-
- for (i = 0; i < LBITSET_ELT_WORDS; i++)
- {
- for (word = srcp[i]; word; bitno++)
- {
- if (word & 1)
- {
- list[count++] = bitno;
- if (count >= num)
- {
- *next = bitno + 1;
- return count;
- }
- }
- word >>= 1;
- }
- windex++;
- bitno = windex * BITSET_WORD_BITS;
- }
- }
+ {
+ /* Tread more carefully since we need to check
+ if array overflows. */
+
+ for (i = 0; i < LBITSET_ELT_WORDS; i++)
+ {
+ for (word = srcp[i]; word; bitno++)
+ {
+ if (word & 1)
+ {
+ list[count++] = bitno;
+ if (count >= num)
+ {
+ *next = bitno + 1;
+ return count;
+ }
+ }
+ word >>= 1;
+ }
+ windex++;
+ bitno = windex * BITSET_WORD_BITS;
+ }
+ }
elt = elt->next;
if (elt)
- {
- windex = elt->index;
- bitno = windex * BITSET_WORD_BITS;
- }
+ {
+ windex = elt->index;
+ bitno = windex * BITSET_WORD_BITS;
+ }
}
*next = bitno;
{
next = elt->next;
if (!lbitset_elt_zero_p (elt))
- return 0;
+ return 0;
/* Weed as we go. */
lbitset_elt_unlink (dst, elt);
}
windex++;
for (; (windex - elt->index) < LBITSET_ELT_WORDS; windex++)
- srcp[windex - elt->index] = 0;
+ srcp[windex - elt->index] = 0;
}
}
static void
lbitset_not (bitset dst, bitset src)
{
- lbitset_elt *elt;
lbitset_elt *selt;
lbitset_elt *delt;
bitset_windex i;
unsigned int j;
bitset_windex windex;
- /* This is another unfriendly operation for a linked list
- bitset! */
- elt = LBITSET_TAIL (dst);
-
windex = (BITSET_SIZE_ (dst) + BITSET_WORD_BITS - 1) / BITSET_WORD_BITS;
for (i = 0; i < windex; i += LBITSET_ELT_WORDS)
{
/* Create new elements for dst if they cannot be found
- or substitute zero elements if src elements not found. */
+ or substitute zero elements if src elements not found. */
selt = lbitset_elt_find (src, i, LBITSET_SUBST);
delt = lbitset_elt_find (dst, i, LBITSET_CREATE);
for (j = 0; j < LBITSET_ELT_WORDS; j++)
- delt->words[j] = ~selt->words[j];
+ delt->words[j] = ~selt->words[j];
}
lbitset_unused_clear (dst);
lbitset_weed (dst);
selt || delt; selt = selt->next, delt = delt->next)
{
if (!selt)
- selt = &lbitset_zero_elts[0];
+ selt = &lbitset_zero_elts[0];
else if (!delt)
- delt = &lbitset_zero_elts[0];
+ delt = &lbitset_zero_elts[0];
else if (selt->index != delt->index)
- {
- if (selt->index < delt->index)
- {
- lbitset_zero_elts[2].next = delt;
- delt = &lbitset_zero_elts[2];
- }
- else
- {
- lbitset_zero_elts[1].next = selt;
- selt = &lbitset_zero_elts[1];
- }
- }
+ {
+ if (selt->index < delt->index)
+ {
+ lbitset_zero_elts[2].next = delt;
+ delt = &lbitset_zero_elts[2];
+ }
+ else
+ {
+ lbitset_zero_elts[1].next = selt;
+ selt = &lbitset_zero_elts[1];
+ }
+ }
for (j = 0; j < LBITSET_ELT_WORDS; j++)
- if (delt->words[j] != (selt->words[j] | delt->words[j]))
- return false;
+ if (delt->words[j] != (selt->words[j] | delt->words[j]))
+ return false;
}
return true;
}
selt && delt; selt = selt->next, delt = delt->next)
{
if (selt->index != delt->index)
- {
- if (selt->index < delt->index)
- {
- lbitset_zero_elts[2].next = delt;
- delt = &lbitset_zero_elts[2];
- }
- else
- {
- lbitset_zero_elts[1].next = selt;
- selt = &lbitset_zero_elts[1];
- }
- /* Since the elements are different, there is no
- intersection of these elements. */
- continue;
- }
+ {
+ if (selt->index < delt->index)
+ {
+ lbitset_zero_elts[2].next = delt;
+ delt = &lbitset_zero_elts[2];
+ }
+ else
+ {
+ lbitset_zero_elts[1].next = selt;
+ selt = &lbitset_zero_elts[1];
+ }
+ /* Since the elements are different, there is no
+ intersection of these elements. */
+ continue;
+ }
for (j = 0; j < LBITSET_ELT_WORDS; j++)
- if (selt->words[j] & delt->words[j])
- return false;
+ if (selt->words[j] & delt->words[j])
+ return false;
}
return true;
}
while (selt1 || selt2)
{
/* Figure out whether we need to substitute zero elements for
- missing links. */
+ missing links. */
if (windex1 == windex2)
- {
- windex = windex1;
- stmp1 = selt1;
- stmp2 = selt2;
- selt1 = selt1->next;
- windex1 = (selt1) ? selt1->index : BITSET_WINDEX_MAX;
- selt2 = selt2->next;
- windex2 = (selt2) ? selt2->index : BITSET_WINDEX_MAX;
- }
+ {
+ windex = windex1;
+ stmp1 = selt1;
+ stmp2 = selt2;
+ selt1 = selt1->next;
+ windex1 = (selt1) ? selt1->index : BITSET_WINDEX_MAX;
+ selt2 = selt2->next;
+ windex2 = (selt2) ? selt2->index : BITSET_WINDEX_MAX;
+ }
else if (windex1 < windex2)
- {
- windex = windex1;
- stmp1 = selt1;
- stmp2 = &lbitset_zero_elts[0];
- selt1 = selt1->next;
- windex1 = (selt1) ? selt1->index : BITSET_WINDEX_MAX;
- }
+ {
+ windex = windex1;
+ stmp1 = selt1;
+ stmp2 = &lbitset_zero_elts[0];
+ selt1 = selt1->next;
+ windex1 = (selt1) ? selt1->index : BITSET_WINDEX_MAX;
+ }
else
- {
- windex = windex2;
- stmp1 = &lbitset_zero_elts[0];
- stmp2 = selt2;
- selt2 = selt2->next;
- windex2 = (selt2) ? selt2->index : BITSET_WINDEX_MAX;
- }
+ {
+ windex = windex2;
+ stmp1 = &lbitset_zero_elts[0];
+ stmp2 = selt2;
+ selt2 = selt2->next;
+ windex2 = (selt2) ? selt2->index : BITSET_WINDEX_MAX;
+ }
/* Find the appropriate element from DST. Begin by discarding
- elements that we've skipped. */
+ elements that we've skipped. */
while (delt && delt->index < windex)
- {
- changed = true;
- dtmp = delt;
- delt = delt->next;
- lbitset_elt_free (dtmp);
- }
+ {
+ changed = true;
+ dtmp = delt;
+ delt = delt->next;
+ lbitset_elt_free (dtmp);
+ }
if (delt && delt->index == windex)
- {
- dtmp = delt;
- delt = delt->next;
- }
+ {
+ dtmp = delt;
+ delt = delt->next;
+ }
else
- dtmp = lbitset_elt_calloc ();
+ dtmp = lbitset_elt_calloc ();
/* Do the operation, and if any bits are set, link it into the
- linked list. */
+ linked list. */
srcp1 = stmp1->words;
srcp2 = stmp2->words;
dstp = dtmp->words;
switch (op)
- {
- default:
- abort ();
-
- case BITSET_OP_OR:
- for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
- {
- bitset_word tmp = *srcp1++ | *srcp2++;
-
- if (*dstp != tmp)
- {
- changed = true;
- *dstp = tmp;
- }
- }
- break;
-
- case BITSET_OP_AND:
- for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
- {
- bitset_word tmp = *srcp1++ & *srcp2++;
-
- if (*dstp != tmp)
- {
- changed = true;
- *dstp = tmp;
- }
- }
- break;
-
- case BITSET_OP_XOR:
- for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
- {
- bitset_word tmp = *srcp1++ ^ *srcp2++;
-
- if (*dstp != tmp)
- {
- changed = true;
- *dstp = tmp;
- }
- }
- break;
-
- case BITSET_OP_ANDN:
- for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
- {
- bitset_word tmp = *srcp1++ & ~(*srcp2++);
-
- if (*dstp != tmp)
- {
- changed = true;
- *dstp = tmp;
- }
- }
- break;
- }
+ {
+ default:
+ abort ();
+
+ case BITSET_OP_OR:
+ for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
+ {
+ bitset_word tmp = *srcp1++ | *srcp2++;
+
+ if (*dstp != tmp)
+ {
+ changed = true;
+ *dstp = tmp;
+ }
+ }
+ break;
+
+ case BITSET_OP_AND:
+ for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
+ {
+ bitset_word tmp = *srcp1++ & *srcp2++;
+
+ if (*dstp != tmp)
+ {
+ changed = true;
+ *dstp = tmp;
+ }
+ }
+ break;
+
+ case BITSET_OP_XOR:
+ for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
+ {
+ bitset_word tmp = *srcp1++ ^ *srcp2++;
+
+ if (*dstp != tmp)
+ {
+ changed = true;
+ *dstp = tmp;
+ }
+ }
+ break;
+
+ case BITSET_OP_ANDN:
+ for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
+ {
+ bitset_word tmp = *srcp1++ & ~(*srcp2++);
+
+ if (*dstp != tmp)
+ {
+ changed = true;
+ *dstp = tmp;
+ }
+ }
+ break;
+ }
if (!lbitset_elt_zero_p (dtmp))
- {
- dtmp->index = windex;
- /* Perhaps this could be optimised... */
- lbitset_elt_link (dst, dtmp);
- }
+ {
+ dtmp->index = windex;
+ /* Perhaps this could be optimised... */
+ lbitset_elt_link (dst, dtmp);
+ }
else
- {
- lbitset_elt_free (dtmp);
- }
+ {
+ lbitset_elt_free (dtmp);
+ }
}
/* If we have elements of DST left over, free them all. */
{
fprintf (stderr, "Elt %lu\n", (unsigned long int) elt->index);
for (i = 0; i < LBITSET_ELT_WORDS; i++)
- {
- unsigned int j;
- bitset_word word;
-
- word = elt->words[i];
-
- fprintf (stderr, " Word %u:", i);
- for (j = 0; j < LBITSET_WORD_BITS; j++)
- if ((word & ((bitset_word) 1 << j)))
- fprintf (stderr, " %u", j);
- fprintf (stderr, "\n");
- }
+ {
+ unsigned int j;
+ bitset_word word;
+
+ word = elt->words[i];
+
+ fprintf (stderr, " Word %u:", i);
+ for (j = 0; j < LBITSET_WORD_BITS; j++)
+ if ((word & ((bitset_word) 1 << j)))
+ fprintf (stderr, " %u", j);
+ fprintf (stderr, "\n");
+ }
}
}
projects / bison.git / blobdiff