mirror of
https://github.com/openharmony/ark_js_runtime.git
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zhangjixing
9af120fc9c
Description To ensure the high performance of container classes, Plainarray is provided in ark. Related issue #I4XXYA:Add Container Plainarray Signed-off-by: zhangjixing <zhangjixing4@huawei.com>
66 lines
3.0 KiB
C++
66 lines
3.0 KiB
C++
/*
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* Copyright (c) 2022 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 "js_api_plain_array_iterator.h"
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#include "builtins/builtins_errors.h"
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#include "ecmascript/base/typed_array_helper.h"
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#include "ecmascript/base/typed_array_helper-inl.h"
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#include "global_env.h"
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#include "js_api_plain_array.h"
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#include "js_array.h"
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#include "object_factory.h"
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namespace panda::ecmascript {
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using BuiltinsBase = base::BuiltinsBase;
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JSTaggedValue JSAPIPlainArrayIterator::Next(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> input(BuiltinsBase::GetThis(argv));
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if (!input->IsJSAPIPlainArrayIterator()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "this value is not an plainarray iterator", JSTaggedValue::Exception());
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}
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JSHandle<JSAPIPlainArrayIterator> iter(input);
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JSHandle<JSTaggedValue> plainArray(thread, iter->GetIteratedPlainArray());
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JSHandle<JSTaggedValue> undefinedHandle(thread, JSTaggedValue::Undefined());
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if (plainArray->IsUndefined()) {
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return JSIterator::CreateIterResultObject(thread, undefinedHandle, true).GetTaggedValue();
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}
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JSHandle<JSAPIPlainArray> apiPlainArray(plainArray);
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ASSERT(plainArray->IsJSAPIPlainArray());
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int32_t length = apiPlainArray->GetLength();
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int32_t index = iter->GetNextIndex();
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if (index >= length) {
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iter->SetIteratedPlainArray(thread, undefinedHandle);
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return JSIterator::CreateIterResultObject(thread, undefinedHandle, true).GetTaggedValue();
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}
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iter->SetNextIndex(index + 1);
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JSHandle<TaggedArray> valueArray(thread, TaggedArray::Cast(apiPlainArray->GetValues().GetTaggedObject()));
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JSHandle<JSTaggedValue> value(thread, valueArray->Get(index));
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JSHandle<TaggedArray> keyArray(thread, TaggedArray::
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Cast(JSHandle<JSAPIPlainArray>(plainArray)->GetKeys().GetTaggedObject()));
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JSHandle<JSTaggedValue> keyHandle(thread, keyArray->Get(index));
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<TaggedArray> array(factory->NewTaggedArray(2)); // 2 means the length of array
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array->Set(thread, 0, keyHandle);
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array->Set(thread, 1, value);
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JSHandle<JSTaggedValue> keyAndValue(JSArray::CreateArrayFromList(thread, array));
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return JSIterator::CreateIterResultObject(thread, keyAndValue, false).GetTaggedValue();
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}
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} // namespace panda::ecmascript
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