mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
eef37db2c3
1. Add EnumCache for simple properties and no-elements properties 2. Add fastpath for non-special objects 3. Avoid duplicated copy for slowpath 4. Transition hclass when detele prop in TS Issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I84DMO?from=project-issue Signed-off-by: zhangyukun8 <zhangyukun8@huawei.com> Change-Id: I81648b44cc83a907c50ec90c9e8de3bbb104cef8
55 lines
2.0 KiB
C++
55 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021-2022 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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#ifndef ECMASCRIPT_JS_FORIN_ITERATOR_H
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#define ECMASCRIPT_JS_FORIN_ITERATOR_H
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#include <utility>
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#include "ecmascript/js_object.h"
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#include "ecmascript/js_tagged_value-inl.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript {
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class JSForInIterator : public JSObject {
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public:
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CAST_CHECK(JSForInIterator, IsForinIterator);
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static JSTaggedValue NextInternal(JSThread *thread, const JSHandle<JSForInIterator> &it);
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static JSTaggedValue NextInternalSlowpath(JSThread *thread, const JSHandle<JSForInIterator> &it);
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static JSTaggedValue Next(EcmaRuntimeCallInfo *msg);
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static constexpr size_t OBJECT_OFFSET = JSObject::SIZE;
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ACCESSORS(Object, OBJECT_OFFSET, CACHED_HCLASS_OFFSET)
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ACCESSORS(CachedHclass, CACHED_HCLASS_OFFSET, KEYS_OFFSET)
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ACCESSORS(Keys, KEYS_OFFSET, INDEX_OFFSET)
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ACCESSORS_PRIMITIVE_FIELD(Index, uint32_t, INDEX_OFFSET, LENGTH_OFFSET)
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ACCESSORS_PRIMITIVE_FIELD(Length, uint32_t, LENGTH_OFFSET, LAST_OFFSET)
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DEFINE_ALIGN_SIZE(LAST_OFFSET);
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DECL_VISIT_OBJECT_FOR_JS_OBJECT(JSObject, OBJECT_OFFSET, INDEX_OFFSET)
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DECL_DUMP()
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private:
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static bool IsEnumCacheValid(JSTaggedValue receiver, JSTaggedValue cachedHclass, EnumCacheKind kind);
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static bool NeedCheckProperty(JSTaggedValue receiver);
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static bool HasProperty(JSThread *thread, JSHandle<JSTaggedValue> receiver, JSHandle<JSTaggedValue> key);
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_JS_FORIN_ITERATOR_H
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