X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/7d7d6663698dd4cb27a695ada3fd09d141005e5e..c826013fb38c98861ef0fc5d4dc3fb3fb4f555be:/lib/lbitset.c?ds=inline
diff --git a/lib/lbitset.c b/lib/lbitset.c
index a405b8cf..d48a4a83 100644
--- a/lib/lbitset.c
+++ b/lib/lbitset.c
@@ -1,10 +1,11 @@
/* Functions to support link list bitsets.
- Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2002-2004, 2006, 2009-2010 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
+ 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 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,
@@ -13,15 +14,12 @@
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 . */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include
#include "lbitset.h"
+
#include "obstack.h"
#include
#include
@@ -41,7 +39,7 @@
/* Number of words to use for each element. The larger the value the
greater the size of the cache and the shorter the time to find a given bit
but the more memory wasted for sparse bitsets and the longer the time
- to search for set bits.
+ to search for set bits.
The routines that dominate timing profiles are lbitset_elt_find
and lbitset_elt_link, especially when accessing the bits randomly. */
@@ -121,7 +119,7 @@ lbitset_elt_alloc (void)
#define OBSTACK_CHUNK_FREE free
#endif
-#if !defined(__GNUC__) || (__GNUC__ < 2)
+#if ! defined __GNUC__ || __GNUC__ < 2
#define __alignof__(type) 0
#endif
@@ -363,6 +361,9 @@ lbitset_elt_find (bitset bset, bitset_windex windex,
switch (mode)
{
+ default:
+ abort ();
+
case LBITSET_FIND:
return 0;
@@ -376,9 +377,6 @@ lbitset_elt_find (bitset bset, bitset_windex windex,
case LBITSET_SUBST:
return &lbitset_zero_elts[0];
-
- default:
- abort ();
}
}
@@ -888,18 +886,18 @@ lbitset_unused_clear (bitset dst)
n_bits = BITSET_SIZE_ (dst);
last_bit = n_bits % LBITSET_ELT_BITS;
-
+
if (last_bit)
{
lbitset_elt *elt;
bitset_windex windex;
bitset_word *srcp;
-
+
elt = LBITSET_TAIL (dst);
srcp = elt->words;
windex = n_bits / BITSET_WORD_BITS;
-
- srcp[windex - elt->index] &= ((bitset_word) 1 << last_bit) - 1;
+
+ srcp[windex - elt->index] &= ((bitset_word) 1 << last_bit) - 1;
windex++;
for (; (windex - elt->index) < LBITSET_ELT_WORDS; windex++)
@@ -1117,6 +1115,9 @@ lbitset_op3_cmp (bitset dst, bitset src1, bitset src2, enum bitset_ops op)
dstp = dtmp->words;
switch (op)
{
+ default:
+ abort ();
+
case BITSET_OP_OR:
for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
{
@@ -1168,9 +1169,6 @@ lbitset_op3_cmp (bitset dst, bitset src1, bitset src2, enum bitset_ops op)
}
}
break;
-
- default:
- abort ();
}
if (!lbitset_elt_zero_p (dtmp))