mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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b37e3f5995
1. If the PGO ElementsKind of a JSArray is OBJECT, and the named property of the JSArray element is loaded, the HeapObject check is not required. 2. The AOT stroing of OBJECT JSArray should be checked to prevent damage to the ElementsKind. Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I7SHUY Signed-off-by: dingding <dingding5@huawei.com> Change-Id: Ia55a75cf9d8ebe269e114bc6666718940629eb07
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/*
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* Copyright (c) 2023 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_ELEMENTS_H
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#define ECMASCRIPT_ELEMENTS_H
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#include "ecmascript/global_env_constants.h"
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#include "ecmascript/js_tagged_value.h"
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#include "ecmascript/mem/c_containers.h"
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namespace panda::ecmascript {
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enum class ElementsKind : uint8_t {
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NONE = 0x00UL,
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HOLE = 0x01UL,
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INT = 0x1UL << 1, // 2
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DOUBLE = 0x1UL << 2, // 4
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NUMBER = INT | DOUBLE, // 6
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STRING = 0x1UL << 3, // 8
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OBJECT = 0x1UL << 4, // 16
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TAGGED = 0x1EUL, // 30
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HOLE_INT = HOLE | INT,
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HOLE_DOUBLE = HOLE | DOUBLE,
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HOLE_NUMBER = HOLE | NUMBER,
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HOLE_STRING = HOLE | STRING,
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HOLE_OBJECT = HOLE | OBJECT,
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HOLE_TAGGED = HOLE | TAGGED,
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GENERIC = HOLE_TAGGED,
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};
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class Elements {
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public:
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static CMap<ElementsKind, ConstantIndex> InitializeHClassMap();
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static std::string GetString(ElementsKind kind);
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static bool IsInt(ElementsKind kind);
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static bool IsDouble(ElementsKind kind);
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static bool IsObject(ElementsKind kind);
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static bool IsHole(ElementsKind kind);
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static bool IsGeneric(ElementsKind kind)
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{
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return kind == ElementsKind::GENERIC;
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}
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static bool IsNone(ElementsKind kind)
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{
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return kind == ElementsKind::NONE;
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}
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static ElementsKind MergeElementsKind(ElementsKind curKind, ElementsKind newKind);
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static ElementsKind FixElementsKind(ElementsKind oldKind);
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static ElementsKind ToElementsKind(JSTaggedValue value, ElementsKind kind);
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_ELEMENTS_H
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