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/*
* jit-bitset.h - Bitset routines for the JIT.
*
* Copyright (C) 2006 Southern Storm Software, Pty Ltd.
*
* This file is part of the libjit library.
*
* The libjit library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 2.1 of
* the License, or (at your option) any later version.
*
* The libjit library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the libjit library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef _JIT_BITSET_H
#define _JIT_BITSET_H
#define _JIT_BITSET_WORD_BITS (8 * sizeof(_jit_bitset_word_t))
typedef unsigned long _jit_bitset_word_t;
typedef struct _jit_bitset _jit_bitset_t;
/* TODO: Use less space. Perhaps borrow bitmap from gcc. */
struct _jit_bitset
{
int size;
_jit_bitset_word_t *bits;
};
void _jit_bitset_init(_jit_bitset_t *bs);
int _jit_bitset_allocate(_jit_bitset_t *bs, int size);
int _jit_bitset_is_allocated(_jit_bitset_t *bs);
void _jit_bitset_free(_jit_bitset_t *bs);
void _jit_bitset_set_bit(_jit_bitset_t *bs, int bit);
void _jit_bitset_clear_bit(_jit_bitset_t *bs, int bit);
int _jit_bitset_test_bit(_jit_bitset_t *bs, int bit);
void _jit_bitset_clear(_jit_bitset_t *bs);
int _jit_bitset_empty(_jit_bitset_t *bs);
void _jit_bitset_add(_jit_bitset_t *dest, _jit_bitset_t *src);
void _jit_bitset_sub(_jit_bitset_t *dest, _jit_bitset_t *src);
int _jit_bitset_copy(_jit_bitset_t *dest, _jit_bitset_t *src);
int _jit_bitset_equal(_jit_bitset_t *bs1, _jit_bitset_t *bs2);
#endif