mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-14 22:28:58 -04:00
zhangjixing
219dd0bd8d
Description To ensure the high performance of container classes, Deque and Stack is provided in ark. Related issue #I4X8GV:Add Container Deque And Stack Signed-off-by: zhangjixing <zhangjixing4@huawei.com>
60 lines
2.4 KiB
C++
60 lines
2.4 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_stack_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_stack.h"
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#include "object_factory.h"
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#include "js_hclass.h"
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namespace panda::ecmascript {
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using BuiltinsBase = base::BuiltinsBase;
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// StackIteratorPrototype%.next()
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JSTaggedValue JSAPIStackIterator::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->IsJSAPIStackIterator()) {
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THROW_TYPE_ERROR_AND_RETURN(thread, "this value is not an stack iterator", JSTaggedValue::Exception());
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}
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JSHandle<JSAPIStackIterator> iter(input);
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JSHandle<JSTaggedValue> stack(thread, iter->GetIteratedStack());
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JSHandle<JSTaggedValue> undefinedHandle = thread->GlobalConstants()->GetHandledUndefined();
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if (stack->IsUndefined()) {
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return JSIterator::CreateIterResultObject(thread, undefinedHandle, true).GetTaggedValue();
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}
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uint32_t index = iter->GetNextIndex();
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uint32_t length = static_cast<int>((JSHandle<JSAPIStack>::Cast(stack))->GetSize()) + 1;
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RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
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if (index + 1 > length) {
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iter->SetIteratedStack(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, JSTaggedValue(index));
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JSHandle<JSTaggedValue> value = JSTaggedValue::GetProperty(thread, stack, key).GetValue();
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return JSIterator::CreateIterResultObject(thread, value, false).GetTaggedValue();
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}
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} // namespace panda::ecmascript
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