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https://gitee.com/openharmony/arkcompiler_ets_runtime
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a97747fe18
Signed-off-by: zhangyukun <zhangyukun8@huawei.com> Change-Id: Ic66a9e649de8c0ce530483296fe323b8f50621fb
66 lines
2.3 KiB
C++
66 lines
2.3 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_SYMBOL_TABLE_H
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#define ECMASCRIPT_SYMBOL_TABLE_H
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#include "ecmascript/tagged_hash_table.h"
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#include "ecmascript/ecma_string.h"
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#include "ecmascript/js_thread.h"
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namespace panda::ecmascript {
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class SymbolTable : public TaggedHashTable<SymbolTable> {
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public:
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using HashTable = TaggedHashTable<SymbolTable>;
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static SymbolTable *Cast(ObjectHeader *object)
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{
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return reinterpret_cast<SymbolTable *>(object);
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}
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inline static int GetKeyIndex(int entry)
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{
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return HashTable::TABLE_HEADER_SIZE + entry * GetEntrySize() + ENTRY_KEY_INDEX;
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}
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inline static int GetValueIndex(int entry)
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{
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return HashTable::TABLE_HEADER_SIZE + entry * GetEntrySize() + ENTRY_VALUE_INDEX;
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}
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inline static int GetEntryIndex(int entry)
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{
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return HashTable::TABLE_HEADER_SIZE + entry * GetEntrySize();
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}
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inline static int GetEntrySize()
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{
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return ENTRY_SIZE;
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}
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static inline bool IsMatch(const JSTaggedValue &name, const JSTaggedValue &other);
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static inline uint32_t Hash(const JSTaggedValue &obj);
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static const int DEFAULT_ELEMENTS_NUMBER = 64;
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static JSHandle<SymbolTable> Create(JSThread *thread, int numberOfElements = DEFAULT_ELEMENTS_NUMBER)
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{
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return HashTable::Create(thread, numberOfElements);
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}
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inline bool ContainsKey(JSThread *thread, const JSTaggedValue &key);
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inline JSTaggedValue GetSymbol(const JSTaggedValue &key);
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inline JSTaggedValue FindSymbol(JSThread *thread, const JSTaggedValue &value);
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static constexpr int ENTRY_KEY_INDEX = 0;
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static constexpr int ENTRY_VALUE_INDEX = 1;
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static constexpr int ENTRY_SIZE = 2;
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_SYMBOL_TABLE_H
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