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https://gitee.com/openharmony/arkcompiler_ets_runtime
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839f39e500
Signed-off-by: wengchangcheng <wengchangcheng@huawei.com> Change-Id: I2995dc75ed34e8eb2bf249f2cced62ec9d91250e
73 lines
2.2 KiB
C++
73 lines
2.2 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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#include "weak_vector.h"
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#include "ecmascript/object_factory.h"
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#include "ecmascript/weak_vector-inl.h"
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namespace panda::ecmascript {
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JSHandle<WeakVector> WeakVector::Create(const JSThread *thread, uint32_t capacity)
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{
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ASSERT(capacity < MAX_VECTOR_INDEX);
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uint32_t length = VectorToArrayIndex(capacity);
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JSHandle<WeakVector> vector = JSHandle<WeakVector>(thread->GetEcmaVM()->GetFactory()->NewTaggedArray(length));
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vector->SetEnd(thread, 0);
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return vector;
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}
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bool WeakVector::Delete(const JSThread *thread, uint32_t index)
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{
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uint32_t end = GetEnd();
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if (index < end) {
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Set(thread, index, JSTaggedValue::Hole());
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return true;
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}
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return false;
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}
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JSHandle<WeakVector> WeakVector::Grow(const JSThread *thread, const JSHandle<WeakVector> &old, uint32_t newCapacity)
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{
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uint32_t oldCapacity = old->GetCapacity();
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ASSERT(newCapacity > oldCapacity);
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if (oldCapacity == MAX_VECTOR_INDEX) {
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return old;
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}
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if (newCapacity > MAX_VECTOR_INDEX) {
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newCapacity = MAX_VECTOR_INDEX;
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}
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<TaggedArray> newVec = factory->CopyArray(JSHandle<TaggedArray>(old), VectorToArrayIndex(oldCapacity),
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VectorToArrayIndex(newCapacity));
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return JSHandle<WeakVector>(newVec);
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}
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uint32_t WeakVector::PushBack(const JSThread *thread, JSTaggedValue value)
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{
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uint32_t end = GetEnd();
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if (end == GetCapacity()) {
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return TaggedArray::MAX_ARRAY_INDEX;
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}
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Set(thread, end, value);
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SetEnd(thread, end + 1);
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return end;
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}
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} // namespace panda::ecmascript
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