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https://gitee.com/openharmony/arkcompiler_ets_runtime
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36 lines
1.6 KiB
C++
36 lines
1.6 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 "ecmascript/js_string_iterator.h"
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#include "ecmascript/global_env.h"
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namespace panda::ecmascript {
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JSHandle<JSStringIterator> JSStringIterator::CreateStringIterator(const JSThread *thread,
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const JSHandle<EcmaString> &string)
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{
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// 1. Assert: Type(string) is String.
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// 2. Let iterator be ObjectCreate(%StringIteratorPrototype%, [[IteratedString]], [[StringIteratorNextIndex]] ?.)
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JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
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JSHandle<JSFunction> strIterCtor(env->GetStringIterator());
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<JSStringIterator> iterator(factory->NewJSObjectByConstructor(strIterCtor));
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// 3. Set iterator’s [[IteratedString]] internal slot to string.
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// 4. Set iterator’s [[StringIteratorNextIndex]] internal slot to 0.
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iterator->SetIteratedString(thread, string);
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iterator->SetStringIteratorNextIndex(0);
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return iterator;
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}
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} // namespace panda::ecmascript
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