mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-08 08:54:12 +00:00
86555cd737
Issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I8ID3Q?from=project-issue Signed-off-by: yaochaonan <yaochaonan@huawei.com> Change-Id: I950f1a8530b22e2be1357054a8fbfec18a09dae0
94 lines
3.5 KiB
C++
94 lines
3.5 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_STRING_TABLE_H
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#define ECMASCRIPT_STRING_TABLE_H
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#include "ecmascript/mem/c_containers.h"
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#include "ecmascript/mem/space.h"
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#include "ecmascript/mem/visitor.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript {
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class EcmaString;
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class EcmaVM;
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class JSPandaFile;
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class EcmaStringTable {
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public:
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explicit EcmaStringTable(const EcmaVM *vm);
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virtual ~EcmaStringTable()
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{
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table_.clear();
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}
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void InternEmptyString(EcmaString *emptyStr);
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EcmaString *GetOrInternString(const JSHandle<EcmaString> &firstString, const JSHandle<EcmaString> &secondString);
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EcmaString *GetOrInternString(const uint8_t *utf8Data, uint32_t utf8Len, bool canBeCompress);
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EcmaString *CreateAndInternStringNonMovable(const uint8_t *utf8Data, uint32_t utf8Len);
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EcmaString *GetOrInternString(const uint16_t *utf16Data, uint32_t utf16Len, bool canBeCompress);
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EcmaString *GetOrInternString(EcmaString *string);
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EcmaString *GetOrInternStringWithSpaceType(const uint8_t *utf8Data, uint32_t utf8Len, bool canBeCompress,
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MemSpaceType type, bool isConstantString, uint32_t idOffset);
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EcmaString *GetOrInternStringWithSpaceType(const uint8_t *utf8Data, uint32_t utf16Len,
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MemSpaceType type);
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EcmaString *TryGetInternString(EcmaString *string);
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void SweepWeakReference(const WeakRootVisitor &visitor);
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bool CheckStringTableValidity();
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void RelocateConstantData(const JSPandaFile *jsPandaFile);
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private:
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NO_COPY_SEMANTIC(EcmaStringTable);
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NO_MOVE_SEMANTIC(EcmaStringTable);
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std::pair<EcmaString *, uint32_t> GetString(
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const JSHandle<EcmaString> &firstString, const JSHandle<EcmaString> &secondString) const;
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std::pair<EcmaString *, uint32_t> GetString(const uint8_t *utf8Data, uint32_t utf8Len, bool canBeCompress) const;
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std::pair<EcmaString *, uint32_t> GetString(const uint16_t *utf16Data, uint32_t utf16Len) const;
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EcmaString *GetString(EcmaString *string) const;
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void InternString(EcmaString *string);
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void InsertStringIfNotExist(EcmaString *string)
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{
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EcmaString *str = GetString(string);
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if (str == nullptr) {
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InternString(string);
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}
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}
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CUnorderedMultiMap<uint32_t, EcmaString *> table_;
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const EcmaVM *vm_{nullptr};
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friend class SnapshotProcessor;
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};
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class SingleCharTable : public TaggedArray {
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public:
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static SingleCharTable *Cast(TaggedObject *object)
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{
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return reinterpret_cast<SingleCharTable*>(object);
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}
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static JSTaggedValue CreateSingleCharTable(const JSThread *thread);
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JSTaggedValue GetStringFromSingleCharTable(int32_t ch)
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{
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return Get(ch);
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}
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private:
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static constexpr uint32_t MAX_ONEBYTE_CHARCODE = 128; // 0X00-0X7F
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};
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} // namespace panda::ecmascript
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#endif // ECMASCRIPT_STRING_TABLE_H
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