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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_LIBARTBASE_BASE_ARENA_BIT_VECTOR_H_
#define ART_LIBARTBASE_BASE_ARENA_BIT_VECTOR_H_
#include "arena_object.h"
#include "bit_vector.h"
namespace art {
class ArenaAllocator;
class ScopedArenaAllocator;
/*
* A BitVector implementation that uses Arena allocation.
*/
class ArenaBitVector : public BitVector, public ArenaObject<kArenaAllocGrowableBitMap> {
public:
template <typename Allocator>
static ArenaBitVector* Create(Allocator* allocator,
uint32_t start_bits,
bool expandable,
ArenaAllocKind kind = kArenaAllocGrowableBitMap) {
void* storage = allocator->template Alloc<ArenaBitVector>(kind);
return new (storage) ArenaBitVector(allocator, start_bits, expandable, kind);
}
ArenaBitVector(ArenaAllocator* allocator,
uint32_t start_bits,
bool expandable,
ArenaAllocKind kind = kArenaAllocGrowableBitMap);
ArenaBitVector(ScopedArenaAllocator* allocator,
uint32_t start_bits,
bool expandable,
ArenaAllocKind kind = kArenaAllocGrowableBitMap);
~ArenaBitVector() {}
private:
DISALLOW_COPY_AND_ASSIGN(ArenaBitVector);
};
} // namespace art
#endif // ART_LIBARTBASE_BASE_ARENA_BIT_VECTOR_H_
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