mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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25d4d5d9ef
Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/IAJ4G8 Signed-off-by: Gymee <yumeijie@huawei.com> Change-Id: I85d4677b4aa7041c63ec0bb1592a6e6c2abb3785
131 lines
4.2 KiB
C++
131 lines
4.2 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_ACCESSOR_DATA_H
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#define ECMASCRIPT_ACCESSOR_DATA_H
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#include "ecmascript/ecma_macros.h"
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#include "ecmascript/js_hclass.h"
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#include "ecmascript/js_native_pointer.h"
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#include "ecmascript/js_object.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/mem/slots.h"
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#include "ecmascript/mem/visitor.h"
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#include "ecmascript/record.h"
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namespace panda::ecmascript {
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class InternalAccessor final : public Record {
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public:
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using InternalGetFunc = JSTaggedValue (*)(JSThread *, const JSHandle<JSObject> &);
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using InternalSetFunc = bool (*)(JSThread *, const JSHandle<JSObject> &, const JSHandle<JSTaggedValue> &, bool);
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CAST_CHECK(InternalAccessor, IsInternalAccessor);
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inline bool HasSetter() const
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{
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return GetSetter() != nullptr;
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}
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static constexpr size_t GETTER_OFFSET = Record::SIZE;
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ACCESSORS_FIXED_SIZE_FIELD(Getter, InternalGetFunc, JSTaggedType, GETTER_OFFSET, SETTER_OFFSET)
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ACCESSORS_FIXED_SIZE_FIELD(Setter, InternalSetFunc, JSTaggedType, SETTER_OFFSET, SIZE)
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DECL_VISIT_NATIVE_FIELD(GETTER_OFFSET, SIZE)
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};
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class AccessorData final : public Record {
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public:
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static AccessorData *Cast(TaggedObject *object)
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{
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ASSERT(JSTaggedValue(object).IsAccessorData() || JSTaggedValue(object).IsInternalAccessor());
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return static_cast<AccessorData *>(object);
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}
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inline bool IsInternal() const
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{
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return GetClass()->IsInternalAccessor();
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}
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inline bool HasSetter() const
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{
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auto setter = GetSetter();
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// When the raw data is 0, means the InternalAccessor's setter is nullptr.
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return !(setter.IsUndefined() || setter.GetRawData() == 0U);
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}
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JSTaggedValue CallInternalGet(JSThread *thread, const JSHandle<JSObject> &obj) const
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{
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ASSERT(IsInternal());
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auto getFunc = InternalAccessor::ConstCast(this)->GetGetter();
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return getFunc(thread, obj);
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}
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bool CallInternalSet(JSThread *thread, const JSHandle<JSObject> &obj, const JSHandle<JSTaggedValue> &value,
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bool mayThrow = false) const
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{
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ASSERT(IsInternal());
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auto setFunc = InternalAccessor::ConstCast(this)->GetSetter();
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return setFunc(thread, obj, value, mayThrow);
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}
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static constexpr size_t GETTER_OFFSET = Record::SIZE;
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ACCESSORS(Getter, GETTER_OFFSET, SETTER_OFFSET);
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ACCESSORS(Setter, SETTER_OFFSET, SIZE);
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DECL_DUMP()
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DECL_VISIT_OBJECT(GETTER_OFFSET, SIZE)
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};
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static_assert(AccessorData::SIZE == InternalAccessor::SIZE &&
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AccessorData::GETTER_OFFSET == InternalAccessor::GETTER_OFFSET &&
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AccessorData::SETTER_OFFSET == InternalAccessor::SETTER_OFFSET);
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enum class CompletionRecordType : uint8_t {
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NORMAL = 0U,
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BREAK,
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CONTINUE,
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RETURN,
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THROW
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};
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class CompletionRecord final : public Record {
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public:
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static CompletionRecord *Cast(TaggedObject *object)
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{
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ASSERT(JSTaggedValue(object).IsCompletionRecord());
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return static_cast<CompletionRecord *>(object);
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}
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bool IsThrow() const
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{
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return GetType() == CompletionRecordType::THROW;
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}
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static constexpr size_t VALUE_OFFSET = Record::SIZE;
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ACCESSORS(Value, VALUE_OFFSET, BIT_FIELD_OFFSET)
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ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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// define BitField
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static constexpr size_t TYPE_BITS = 3;
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FIRST_BIT_FIELD(BitField, Type, CompletionRecordType, TYPE_BITS)
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DECL_DUMP()
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DECL_VISIT_OBJECT(VALUE_OFFSET, BIT_FIELD_OFFSET)
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_ACCESSOR_DATA_H
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