mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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84 lines
3.8 KiB
C++
84 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 "ecmascript/builtins/builtins_async_generator.h"
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#include "ecmascript/accessor_data.h"
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#include "ecmascript/js_async_generator_object.h"
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#include "ecmascript/js_function.h"
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#include "ecmascript/js_tagged_value-inl.h"
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namespace panda::ecmascript::builtins {
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// ecma 27.6.1.1
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JSTaggedValue BuiltinsAsyncGenerator::AsyncGeneratorFunctionConstructor(EcmaRuntimeCallInfo *argv)
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{
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BUILTINS_API_TRACE(argv->GetThread(), AsyncGenerator, Constructor);
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// not support
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THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(), "Not support eval. Forbidden using new AsyncGeneratorFunction().",
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JSTaggedValue::Exception());
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}
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// ecma 27.6.1.2 AsyncGenerator.prototype.next
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JSTaggedValue BuiltinsAsyncGenerator::AsyncGeneratorPrototypeNext(EcmaRuntimeCallInfo *argv)
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{
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JSThread *thread = argv->GetThread();
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BUILTINS_API_TRACE(thread, AsyncGenerator, PrototypeNext);
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// 1.Let g be the this value.
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> msg = GetThis(argv);
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JSHandle<JSTaggedValue> value = GetCallArg(argv, 0);
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// 2. Let completion be NormalCompletion(value).
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<CompletionRecord> completionRecord =
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factory->NewCompletionRecord(CompletionRecordType::NORMAL, value);
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// 3. Return ! AsyncGeneratorEnqueue(generator, completion, empty).
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return JSAsyncGeneratorObject::AsyncGeneratorEnqueue(thread, msg, completionRecord);
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}
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// ecma 27.6.1.3 AsyncGenerator.prototype.return
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JSTaggedValue BuiltinsAsyncGenerator::AsyncGeneratorPrototypeReturn(EcmaRuntimeCallInfo *argv)
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{
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JSThread *thread = argv->GetThread();
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BUILTINS_API_TRACE(thread, AsyncGenerator, PrototypeReturn);
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// 1.Let generator be the this value.
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> msg = GetThis(argv);
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// 2.Let completion be Completion { [[Type]]: return, [[Value]]: value, [[Target]]: empty }.
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JSHandle<JSTaggedValue> value = GetCallArg(argv, 0);
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<CompletionRecord> completionRecord =
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factory->NewCompletionRecord(CompletionRecordType::RETURN, value);
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// 3.Return ! AsyncGeneratorEnqueue(generator, completion, empty).
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return JSAsyncGeneratorObject::AsyncGeneratorEnqueue(thread, msg, completionRecord);
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}
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// ecma 27.6.1.4 AsyncGenerator.prototype.throw
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JSTaggedValue BuiltinsAsyncGenerator::AsyncGeneratorPrototypeThrow(EcmaRuntimeCallInfo *argv)
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{
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JSThread *thread = argv->GetThread();
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BUILTINS_API_TRACE(thread, AsyncGenerator, PrototypeThrow);
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// 1.Let generator be the this value.
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSTaggedValue> msg = GetThis(argv);
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// 2.Let completion be ThrowCompletion(exception).
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JSHandle<JSTaggedValue> exception = GetCallArg(argv, 0);
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ObjectFactory *factory = thread->GetEcmaVM()->GetFactory();
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JSHandle<CompletionRecord> completionRecord =
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factory->NewCompletionRecord(CompletionRecordType::THROW, exception);
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// 3.Return ! AsyncGeneratorEnqueue(generator, completion, empty).
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return JSAsyncGeneratorObject::AsyncGeneratorEnqueue(thread, msg, completionRecord);
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}
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} // namespace panda::ecmascript::builtins
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