X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/7086e7071e8bfa2012e9134530a158c88a832ba6..26a69b31fa0e2c84cbc0a38f198fb456a42e0424:/lib/lbitset.h?ds=sidebyside diff --git a/lib/lbitset.h b/lib/lbitset.h index 9af651f1..28dce39b 100644 --- a/lib/lbitset.h +++ b/lib/lbitset.h @@ -1,5 +1,5 @@ /* Functions to support lbitsets. - Copyright (C) 2002 Free Software Foundation, Inc. + Copyright (C) 2002, 2004 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 @@ -14,49 +14,17 @@ 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. */ +Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef _LBITSET_H -#define _LBITSET_H +#define _LBITSET_H -#include "bitset-int.h" - -/* 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. */ -#ifndef LBITSET_ELT_WORDS -#define LBITSET_ELT_WORDS 2 -#endif - -typedef bitset_word lbitset_word; -#define LBITSET_WORD_BITS BITSET_WORD_BITS - -/* Number of bits stored in each element. */ -#define LBITSET_ELT_BITS \ - ((unsigned) (LBITSET_ELT_WORDS * LBITSET_WORD_BITS)) - -/* Lbitset element. We use an array of bits for each element. - 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. */ -} lbitset_elt; - - -/* Head of lbitset linked list. */ -typedef struct lbitset_struct -{ - lbitset_elt *head; /* First element in linked list. */ - lbitset_elt *tail; /* Last element in linked list. */ -} *lbitset; +#include "bitset.h" +extern size_t lbitset_bytes (bitset_bindex); -extern int lbitset_bytes PARAMS ((bitset_bindex)); +extern bitset lbitset_init (bitset, bitset_bindex); -extern void lbitset_release_memory PARAMS ((void)); +extern void lbitset_release_memory (void); #endif