mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
8faa5f9abc
move the definition to the declare head file issue: https://gitee.com/openharmony/ark_js_runtime/issues/I512HV Signed-off-by: wengchangcheng <wengchangcheng@huawei.com> Change-Id: Ieeb0ec96281cda51d0bebd6a2e771fc8d4078306
89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ECMASCRIPT_WEAK_VECTOR_H
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#define ECMASCRIPT_WEAK_VECTOR_H
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#include "ecmascript/js_handle.h"
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#include "ecmascript/js_thread.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript {
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class WeakVector : public TaggedArray {
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public:
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static WeakVector *Cast(ObjectHeader *object)
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{
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return static_cast<WeakVector *>(object);
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}
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static constexpr uint32_t DEFAULT_CAPACITY = 4;
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static JSHandle<WeakVector> Create(const JSThread *thread, uint32_t capacity = DEFAULT_CAPACITY);
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static JSHandle<WeakVector> Grow(const JSThread *thread, const JSHandle<WeakVector> &old, uint32_t newCapacity);
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uint32_t PushBack(const JSThread *thread, JSTaggedValue value);
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// just set index value to Hole
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bool Delete(const JSThread *thread, uint32_t index);
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inline uint32_t GetEnd() const
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{
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return TaggedArray::Get(END_INDEX).GetArrayLength();
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}
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inline bool Full() const
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{
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return GetEnd() == GetCapacity();
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}
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inline bool Empty() const
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{
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return GetEnd() == 0;
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}
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inline uint32_t GetCapacity() const
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{
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return TaggedArray::GetLength() - ELEMENTS_START_INDEX;
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}
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inline JSTaggedValue Get(uint32_t index) const
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{
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ASSERT(index < GetCapacity());
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return TaggedArray::Get(VectorToArrayIndex(index));
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}
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inline void Set(const JSThread *thread, uint32_t index, JSTaggedValue value)
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{
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ASSERT(index < GetCapacity());
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TaggedArray::Set(thread, VectorToArrayIndex(index), value);
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}
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private:
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static const uint32_t MIN_CAPACITY = 2;
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static const uint32_t END_INDEX = 0;
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static const uint32_t ELEMENTS_START_INDEX = 1;
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static const uint32_t MAX_VECTOR_INDEX = TaggedArray::MAX_ARRAY_INDEX - ELEMENTS_START_INDEX;
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inline static constexpr uint32_t VectorToArrayIndex(uint32_t index)
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{
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return index + ELEMENTS_START_INDEX;
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}
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inline void SetEnd(const JSThread *thread, uint32_t end)
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{
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ASSERT(end <= GetCapacity());
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TaggedArray::Set(thread, END_INDEX, JSTaggedValue(end));
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}
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_WEAK_VECTOR_H
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