mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
4c2859d80b
Description
To ensure the high performance of container classes, lightweight map
and lightweightset are provided in ark.
Related issues
#I566FV:Add Container LightWeightMap And LightWeightSet
Signed-off-by: shisan_forwork <chengjunxiong@huawei.com>
82 lines
3.8 KiB
C++
82 lines
3.8 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_lightweightmap_iterator.h"
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#include "builtins/builtins_errors.h"
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#include "ecmascript/base/typed_array_helper-inl.h"
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#include "ecmascript/base/typed_array_helper.h"
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#include "global_env.h"
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#include "js_api_lightweightmap.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 JSAPILightWeightMapIterator::Next(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv != nullptr);
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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->IsJSAPILightWeightMapIterator()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "this value is not an linkedList iterator", JSTaggedValue::Exception());
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}
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JSHandle<JSAPILightWeightMapIterator> iter(input);
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JSHandle<JSTaggedValue> oldlightWeightMap(thread, iter->GetIteratedLightWeightMap());
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JSHandle<JSTaggedValue> undefinedHandle(thread, JSTaggedValue::Undefined());
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JSHandle<JSAPILightWeightMap> lightWeightMap(oldlightWeightMap);
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IterationKind itemKind = IterationKind(iter->GetIterationKind());
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if (oldlightWeightMap->IsUndefined()) {
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return JSIterator::CreateIterResultObject(thread, undefinedHandle, true).GetTaggedValue();
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}
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int32_t index = iter->GetNextIndex();
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int32_t length = lightWeightMap->GetSize();
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if (index >= length) {
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iter->SetIteratedLightWeightMap(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<JSTaggedValue> key(thread, lightWeightMap->GetKeyAt(thread, lightWeightMap, index));
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if (itemKind == IterationKind::KEY) {
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return JSIterator::CreateIterResultObject(thread, key, false).GetTaggedValue();
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}
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JSHandle<JSTaggedValue> value(thread, lightWeightMap->Get(thread, lightWeightMap, key));
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if (itemKind == IterationKind::VALUE) {
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return JSIterator::CreateIterResultObject(thread, value, false).GetTaggedValue();
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}
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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, key);
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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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JSHandle<JSTaggedValue> JSAPILightWeightMapIterator::CreateLightWeightMapIterator(JSThread *thread,
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const JSHandle<JSTaggedValue> &obj,
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IterationKind kind)
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{
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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if (!obj->IsJSAPILightWeightMap()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "obj is not JSAPILightWeightMap",
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thread->GlobalConstants()->GetHandledUndefined());
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}
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JSHandle<JSTaggedValue> iter(factory->NewJSAPILightWeightMapIterator(JSHandle<JSAPILightWeightMap>(obj), kind));
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return iter;
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}
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} // namespace panda::ecmascript
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