mirror of
https://github.com/openharmony/ark_js_runtime.git
synced 2026-07-19 19:43:48 -04:00
wengchangcheng
92 lines
3.6 KiB
C++
92 lines
3.6 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/generator_helper.h"
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#include "ecmascript/interpreter/interpreter-inl.h"
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#include "ecmascript/js_iterator.h"
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#include "libpandafile/bytecode_instruction-inl.h"
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namespace panda::ecmascript {
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JSHandle<JSObject> GeneratorHelper::Next(JSThread *thread, const JSHandle<GeneratorContext> &genContext,
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JSTaggedValue value)
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{
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JSHandle<JSGeneratorObject> genObject(thread, genContext->GetGeneratorObject());
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genObject->SetResumeResult(thread, value);
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genObject->SetGeneratorState(JSGeneratorState::EXECUTING);
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genObject->SetResumeMode(GeneratorResumeMode::NEXT);
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JSTaggedValue next = EcmaInterpreter::GeneratorReEnterInterpreter(thread, genContext);
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JSHandle<JSTaggedValue> nextValue(thread, next);
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if (genObject->IsSuspendYield()) {
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return JSHandle<JSObject>::Cast(nextValue);
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}
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genObject->SetGeneratorState(JSGeneratorState::COMPLETED);
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread);
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return JSIterator::CreateIterResultObject(thread, nextValue, true);
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}
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JSHandle<JSObject> GeneratorHelper::Return(JSThread *thread, const JSHandle<GeneratorContext> &genContext,
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JSTaggedValue value)
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{
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JSHandle<JSGeneratorObject> genObject(thread, genContext->GetGeneratorObject());
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genObject->SetResumeMode(GeneratorResumeMode::RETURN);
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genObject->SetResumeResult(thread, value);
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JSTaggedValue res = EcmaInterpreter::GeneratorReEnterInterpreter(thread, genContext);
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JSHandle<JSTaggedValue> returnValue(thread, res);
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// change state to completed
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if (genObject->IsExecuting()) {
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genObject->SetGeneratorState(JSGeneratorState::COMPLETED);
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}
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread);
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return JSIterator::CreateIterResultObject(thread, returnValue, true);
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}
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JSHandle<JSObject> GeneratorHelper::Throw(JSThread *thread, const JSHandle<GeneratorContext> &genContext,
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JSTaggedValue value)
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{
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JSHandle<JSGeneratorObject> genObject(thread, genContext->GetGeneratorObject());
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genObject->SetResumeMode(GeneratorResumeMode::THROW);
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genObject->SetResumeResult(thread, value);
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JSTaggedValue res = EcmaInterpreter::GeneratorReEnterInterpreter(thread, genContext);
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JSHandle<JSTaggedValue> throwValue(thread, res);
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if (genObject->IsSuspendYield()) {
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return JSHandle<JSObject>::Cast(throwValue);
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}
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// change state to completed
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genObject->SetGeneratorState(JSGeneratorState::COMPLETED);
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RETURN_HANDLE_IF_ABRUPT_COMPLETION(JSObject, thread);
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return JSIterator::CreateIterResultObject(thread, throwValue, true);
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}
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// main->foo
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void GeneratorHelper::ChangeGenContext(JSThread *thread, const JSHandle<GeneratorContext> &genContext)
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{
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JSThread *jsThread = thread;
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EcmaInterpreter::ChangeGenContext(jsThread, genContext);
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}
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// foo->main
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void GeneratorHelper::ResumeContext(JSThread *thread)
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{
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EcmaInterpreter::ResumeContext(thread);
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}
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} // namespace panda::ecmascript
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