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https://gitee.com/openharmony/arkcompiler_ets_runtime
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d8cf9a50f7
Issue: https://gitee.com/open_harmony/dashboard?issue_id=IACDZP Change-Id: I729c3a2741cb2571d6f7184b2726e5f06eca802a Signed-off-by: Andrey Efremov <efremov.andrey@huawei-partners.com>
113 lines
4.2 KiB
C++
113 lines
4.2 KiB
C++
/*
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* Copyright (c) 2021-2024 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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#ifndef ECMASCRIPT_JS_GENERATOR_OBJECT_H
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#define ECMASCRIPT_JS_GENERATOR_OBJECT_H
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#include "ecmascript/accessor_data.h"
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#include "ecmascript/js_object.h"
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namespace panda {
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namespace ecmascript {
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enum class JSGeneratorState : uint8_t {
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UNDEFINED = 0,
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SUSPENDED_START,
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SUSPENDED_YIELD,
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EXECUTING,
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COMPLETED,
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};
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enum class GeneratorResumeMode : uint8_t {
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RETURN = 0,
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THROW,
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NEXT,
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UNDEFINED
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};
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class GeneratorContext : TaggedObject {
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public:
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CAST_CHECK(GeneratorContext, IsGeneratorContext);
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static constexpr size_t GENERATOR_REGS_ARRAY_OFFSET = TaggedObjectSize();
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ACCESSORS(RegsArray, GENERATOR_REGS_ARRAY_OFFSET, GENERATOR_METHOD_OFFSET)
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ACCESSORS(Method, GENERATOR_METHOD_OFFSET, GENERATOR_THIS_OFFSET)
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ACCESSORS(This, GENERATOR_THIS_OFFSET, GENERATOR_ACC_OFFSET)
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ACCESSORS(Acc, GENERATOR_ACC_OFFSET, GENERATOR_GENERATOR_OBJECT_OFFSET)
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ACCESSORS(GeneratorObject, GENERATOR_GENERATOR_OBJECT_OFFSET, GENERATOR_LEXICALENV_OFFSET)
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ACCESSORS(LexicalEnv, GENERATOR_LEXICALENV_OFFSET, GENERATOR_NREGS_OFFSET)
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ACCESSORS_PRIMITIVE_FIELD(NRegs, uint32_t, GENERATOR_NREGS_OFFSET, GENERATOR_BC_OFFSET_OFFSET)
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ACCESSORS_PRIMITIVE_FIELD(BCOffset, uint32_t, GENERATOR_BC_OFFSET_OFFSET, LAST_OFFSET)
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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DECL_VISIT_OBJECT(GENERATOR_REGS_ARRAY_OFFSET, GENERATOR_NREGS_OFFSET)
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DECL_DUMP()
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};
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class JSGeneratorObject : public JSObject {
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public:
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CAST_CHECK(JSGeneratorObject, IsGeneratorObject);
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static constexpr size_t GENERATOR_CONTEXT_OFFSET = JSObject::SIZE;
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ACCESSORS(GeneratorContext, GENERATOR_CONTEXT_OFFSET, GENERATOR_RESUME_RESULT_OFFSET)
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ACCESSORS(ResumeResult, GENERATOR_RESUME_RESULT_OFFSET, TASK_INFO_OFFSET)
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ACCESSORS_PRIMITIVE_FIELD(TaskInfo, uintptr_t, TASK_INFO_OFFSET, BIT_FIELD_OFFSET)
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ACCESSORS_BIT_FIELD(BitField, BIT_FIELD_OFFSET, LAST_OFFSET)
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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// define BitField
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static constexpr size_t GENERATOE_STATE_BITS = 3;
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static constexpr size_t RESUME_MODE_BITS = 3;
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FIRST_BIT_FIELD(BitField, GeneratorState, JSGeneratorState, GENERATOE_STATE_BITS)
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NEXT_BIT_FIELD(BitField, ResumeMode, GeneratorResumeMode, RESUME_MODE_BITS, GeneratorState)
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, GENERATOR_CONTEXT_OFFSET, TASK_INFO_OFFSET)
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DECL_DUMP()
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// 26.4.3.2 GeneratorValidate(generator)
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static JSGeneratorState GeneratorValidate(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
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// 26.4.3.3 GeneratorResume(generator, value)
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static JSHandle<JSObject> GeneratorResume(JSThread *thread, const JSHandle<JSGeneratorObject> &generator,
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JSTaggedValue value);
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// 26.4.3.4 GeneratorResumeAbrupt(generator, abruptCompletion)
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static JSHandle<JSObject> GeneratorResumeAbrupt(JSThread *thread, const JSHandle<JSGeneratorObject> &generator,
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const JSHandle<CompletionRecord> &abruptCompletion);
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inline bool IsSuspendYield() const
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{
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return GetGeneratorState() == JSGeneratorState::SUSPENDED_YIELD;
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}
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inline bool IsExecuting() const
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{
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return GetGeneratorState() == JSGeneratorState::EXECUTING;
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}
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};
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class JSAsyncFuncObject : public JSGeneratorObject {
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public:
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CAST_CHECK(JSAsyncFuncObject, IsAsyncFuncObject);
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static constexpr size_t GENERATOR_PROMISE_OFFSET = JSGeneratorObject::SIZE;
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ACCESSORS(Promise, GENERATOR_PROMISE_OFFSET, SIZE);
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSGeneratorObject, GENERATOR_PROMISE_OFFSET, SIZE)
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DECL_DUMP()
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};
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} // namespace ecmascript
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} // namespace panda
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#endif // ECMASCRIPT_JS_GENERATOR_OBJECT_H
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