mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-08 00:24:00 +00:00
7ffcc4b20f
Signed-off-by: zhangyukun <zhangyukun8@huawei.com>
103 lines
2.7 KiB
C++
103 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_MEM_SLOTS_H
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#define ECMASCRIPT_MEM_SLOTS_H
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/mem/mem.h"
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namespace panda::ecmascript {
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class ObjectSlot {
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public:
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explicit ObjectSlot(uintptr_t slotAddr) : slotAddress_(slotAddr) {}
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~ObjectSlot() = default;
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DEFAULT_COPY_SEMANTIC(ObjectSlot);
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DEFAULT_MOVE_SEMANTIC(ObjectSlot);
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void Update(TaggedObject *header)
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{
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Update(static_cast<JSTaggedType>(ToUintPtr(header)));
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}
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void Update(JSTaggedType value)
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{
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// NOLINTNEXTLINE(clang-analyzer-core.NullDereference)
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*reinterpret_cast<JSTaggedType *>(slotAddress_) = value;
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}
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TaggedObject *GetTaggedObjectHeader() const
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{
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return reinterpret_cast<TaggedObject *>(GetTaggedType());
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}
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JSTaggedType GetTaggedType() const
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{
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// NOLINTNEXTLINE(clang-analyzer-core.NullDereference)
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return *reinterpret_cast<JSTaggedType *>(slotAddress_);
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}
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ObjectSlot &operator++()
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{
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slotAddress_ += sizeof(JSTaggedType);
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return *this;
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}
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// NOLINTNEXTLINE(cert-dcl21-cpp)
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ObjectSlot operator++(int)
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{
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ObjectSlot ret = *this;
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slotAddress_ += sizeof(JSTaggedType);
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return ret;
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}
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uintptr_t SlotAddress() const
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{
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return slotAddress_;
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}
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bool operator<(const ObjectSlot &other) const
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{
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return slotAddress_ < other.slotAddress_;
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}
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bool operator<=(const ObjectSlot &other) const
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{
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return slotAddress_ <= other.slotAddress_;
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}
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bool operator>(const ObjectSlot &other) const
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{
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return slotAddress_ > other.slotAddress_;
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}
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bool operator>=(const ObjectSlot &other) const
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{
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return slotAddress_ >= other.slotAddress_;
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}
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bool operator==(const ObjectSlot &other) const
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{
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return slotAddress_ == other.slotAddress_;
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}
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bool operator!=(const ObjectSlot &other) const
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{
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return slotAddress_ != other.slotAddress_;
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}
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private:
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uintptr_t slotAddress_;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_MEM_SLOTS_H
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