arkcompiler_ets_runtime/ecmascript/js_async_generator_object.h
maojunwei b4ebf86687 Fix AsyncGenerator
issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I6AAHY?from=project-issue

Signed-off-by: maojunwei <maojunwei1@huawei.com>
Change-Id: I4e2b4eec4c9ac1346f8b6d7f6d13a6818c83f5d3
2023-02-23 18:43:29 +08:00

125 lines
4.8 KiB
C++

/*
* Copyright (c) 2022 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ECMASCRIPT_JS_ASYNC_GENERATOR_OBJECT_H
#define ECMASCRIPT_JS_ASYNC_GENERATOR_OBJECT_H
#include "ecmascript/js_object-inl.h"
#include "ecmascript/js_tagged_value.h"
#include "ecmascript/js_tagged_value-inl.h"
#include "ecmascript/record.h"
#include "ecmascript/js_function.h"
#include "ecmascript/js_generator_object.h"
namespace panda {
namespace ecmascript {
enum class JSAsyncGeneratorState : uint8_t {
UNDEFINED = 0,
SUSPENDED_START,
SUSPENDED_YIELD,
EXECUTING,
COMPLETED,
AWAITING_RETURN,
};
enum class AsyncGeneratorResumeMode : uint8_t {
RETURN = 0,
THROW,
NEXT,
UNDEFINED
};
class AsyncGeneratorRequest final : public Record {
public:
CAST_CHECK(AsyncGeneratorRequest, IsAsyncGeneratorRequest);
static constexpr size_t COMPLETION_OFFSET = Record::SIZE;
ACCESSORS(Completion, COMPLETION_OFFSET, CAPABILITY_OFFSET);
ACCESSORS(Capability, CAPABILITY_OFFSET, SIZE);
DECL_DUMP()
DECL_VISIT_OBJECT(COMPLETION_OFFSET, SIZE)
};
class JSAsyncGeneratorObject : public JSObject {
public:
CAST_CHECK(JSAsyncGeneratorObject, IsAsyncGeneratorObject);
static constexpr size_t GENERATOR_CONTEXT_OFFSET = JSObject::SIZE;
ACCESSORS(GeneratorContext, GENERATOR_CONTEXT_OFFSET, ASYNC_GENERATOR_QUEUE_OFFSET)
ACCESSORS(AsyncGeneratorQueue, ASYNC_GENERATOR_QUEUE_OFFSET, GENERATOR_OFFSET)
ACCESSORS(GeneratorBrand, GENERATOR_OFFSET, GENERATOR_RESUME_RESULT_OFFSET)
ACCESSORS(ResumeResult, GENERATOR_RESUME_RESULT_OFFSET, BIT_FIELD_OFFSET)
ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
DEFINE_ALIGN_SIZE(LAST_OFFSET);
// define Bitfield
static constexpr size_t ASYNC_GENERATOE_STATE_BITS = 4;
static constexpr size_t RESUME_MODE_BITS = 3;
FIRST_BIT_FIELD(BitField, AsyncGeneratorState, JSAsyncGeneratorState, ASYNC_GENERATOE_STATE_BITS)
NEXT_BIT_FIELD(BitField, ResumeMode, AsyncGeneratorResumeMode, RESUME_MODE_BITS, AsyncGeneratorState)
DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, GENERATOR_CONTEXT_OFFSET, BIT_FIELD_OFFSET)
DECL_DUMP()
// AsyncGeneratorValidate ( generator, generatorBrand )
static void AsyncGeneratorValidate(JSThread *thread, const JSHandle<JSTaggedValue> &gen, const JSTaggedValue &val);
// AsyncGeneratorResolve ( generator, value, done )
static JSTaggedValue AsyncGeneratorResolve(JSThread *thread, const JSHandle<JSAsyncGeneratorObject> &generator,
const JSHandle<JSTaggedValue> value, bool done);
static JSTaggedValue AsyncGeneratorReject(JSThread *thread, const JSHandle<JSAsyncGeneratorObject> &generator,
const JSHandle<JSTaggedValue> value);
// AsyncGeneratorResumeNext ( generator )
static JSTaggedValue AsyncGeneratorResumeNext(JSThread *thread, const JSHandle<JSAsyncGeneratorObject> &generator);
// 27.6.3.7 AsyncGeneratorEnqueue ( generator, completion, generatorBrand )
static JSTaggedValue AsyncGeneratorEnqueue(JSThread *thread, const JSHandle<JSTaggedValue> &generator,
const JSHandle<CompletionRecord> completionRecord);
static JSTaggedValue PromiseResolve(JSThread *thread, const JSHandle<JSTaggedValue> promise,
const JSHandle<JSTaggedValue> value);
static JSTaggedValue ProcessorFulfilledFunc(EcmaRuntimeCallInfo *argv);
static JSTaggedValue ProcessorRejectedFunc(EcmaRuntimeCallInfo *argv);
inline bool IsSuspendYield() const
{
return GetAsyncGeneratorState() == JSAsyncGeneratorState::SUSPENDED_YIELD;
}
inline bool IsExecuting() const
{
return GetAsyncGeneratorState() == JSAsyncGeneratorState::EXECUTING;
}
};
class JSAsyncGeneratorResNextRetProRstFtn : public JSFunction {
public:
CAST_CHECK(JSAsyncGeneratorResNextRetProRstFtn, IsJSAsyncGeneratorResNextRetProRstFtn);
static constexpr size_t ASYNC_GENERATOR_OBJECT_OFFSET = JSFunction::SIZE;
ACCESSORS(AsyncGeneratorObject, ASYNC_GENERATOR_OBJECT_OFFSET, SIZE);
DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSFunction, ASYNC_GENERATOR_OBJECT_OFFSET, SIZE)
DECL_DUMP()
};
} // namespace ecmascript
} // namespace panda
#endif // ECMASCRIPT_JS_ASYNC_GENERATOR_OBJECT_H