mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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b4ebf86687
issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I6AAHY?from=project-issue Signed-off-by: maojunwei <maojunwei1@huawei.com> Change-Id: I4e2b4eec4c9ac1346f8b6d7f6d13a6818c83f5d3
84 lines
3.4 KiB
C++
84 lines
3.4 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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#ifndef ECMASCRIPT_JS_ITERATOR_H
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#define ECMASCRIPT_JS_ITERATOR_H
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#include "ecmascript/accessor_data.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript {
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enum class IterationKind : uint8_t {
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KEY = 0,
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VALUE,
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KEY_AND_VALUE
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};
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class AsyncIteratorRecord final : public Record {
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public:
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CAST_CHECK(AsyncIteratorRecord, IsAsyncIteratorRecord);
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static constexpr size_t ITERATOR_OFFSET = Record::SIZE;
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ACCESSORS(Iterator, ITERATOR_OFFSET, NEXTMETHOD_OFFSET);
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ACCESSORS(NextMethod, NEXTMETHOD_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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static constexpr size_t DONE_BITS = 1;
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FIRST_BIT_FIELD(BitField, Done, bool, DONE_BITS)
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DECL_VISIT_OBJECT(ITERATOR_OFFSET, BIT_FIELD_OFFSET)
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DECL_DUMP()
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};
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class JSIterator final {
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public:
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static constexpr int VALUE_INLINE_PROPERTY_INDEX = 0;
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static constexpr int DONE_INLINE_PROPERTY_INDEX = 1;
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static JSTaggedValue IteratorCloseAndReturn(JSThread *thread, const JSHandle<JSTaggedValue> &iter);
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// 7.4.1
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static JSHandle<JSTaggedValue> GetIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
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static JSHandle<JSTaggedValue> GetIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj,
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const JSHandle<JSTaggedValue> &method);
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static JSHandle<JSTaggedValue> GetAsyncIterator(JSThread *thread, const JSHandle<JSTaggedValue> &obj);
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// 7.4.2
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static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<JSTaggedValue> &iter,
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const JSHandle<JSTaggedValue> &value);
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static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<AsyncIteratorRecord> &iter,
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const JSHandle<JSTaggedValue> &value);
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static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<AsyncIteratorRecord> &iter);
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static JSHandle<JSTaggedValue> IteratorNext(JSThread *thread, const JSHandle<JSTaggedValue> &iter);
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// 7.4.3
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static bool IteratorComplete(JSThread *thread, const JSHandle<JSTaggedValue> &iterResult);
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// 7.4.4
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static JSHandle<JSTaggedValue> IteratorValue(JSThread *thread, const JSHandle<JSTaggedValue> &iterResult);
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// 7.4.5
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static JSHandle<JSTaggedValue> IteratorStep(JSThread *thread, const JSHandle<JSTaggedValue> &iter);
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// 7.4.6
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static JSHandle<JSTaggedValue> IteratorClose(JSThread *thread, const JSHandle<JSTaggedValue> &iter,
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const JSHandle<JSTaggedValue> &completion);
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// 7.4.7
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static JSHandle<JSObject> CreateIterResultObject(JSThread *thread, const JSHandle<JSTaggedValue> &value, bool done);
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JS_ITERATOR_H
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