mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
synced 2024-10-07 08:03:29 +00:00
71cbaa4183
Issue: #I9K4WE The recursive mutex is much slower that the regular mutex, so replaced it with the regular version until we really need its features. Signed-off-by: Konstantin Grebenschikov <grebenschikov.konstantin@huawei.com> Change-Id: Ifc44d1da6370f69bfdf9ef1b65bd4ed89a004fd8
111 lines
4.6 KiB
C++
111 lines
4.6 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/js_tagged_value.h"
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#include "ecmascript/js_thread.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/platform/mutex.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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EcmaStringTable() = default;
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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(JSThread *thread, EcmaString *emptyStr);
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EcmaString *GetOrInternString(EcmaVM *vm,
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const JSHandle<EcmaString> &firstString,
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const JSHandle<EcmaString> &secondString);
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EcmaString *GetOrInternString(EcmaVM *vm, const uint8_t *utf8Data, uint32_t utf8Len, bool canBeCompress);
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EcmaString *CreateAndInternStringNonMovable(EcmaVM *vm, const uint8_t *utf8Data, uint32_t utf8Len);
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EcmaString *CreateAndInternStringReadOnly(EcmaVM *vm, const uint8_t *utf8Data, uint32_t utf8Len,
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bool canBeCompress);
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EcmaString *GetOrInternString(EcmaVM *vm, const uint16_t *utf16Data, uint32_t utf16Len, bool canBeCompress);
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EcmaString *GetOrInternString(EcmaVM *vm, EcmaString *string);
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EcmaString *GetOrInternCompressedSubString(EcmaVM *vm, const JSHandle<EcmaString> &string,
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uint32_t offset, uint32_t utf8Len);
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EcmaString *GetOrInternStringWithSpaceType(EcmaVM *vm, const uint8_t *utf8Data, uint32_t utf8Len,
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bool canBeCompress, MemSpaceType type, bool isConstantString, uint32_t idOffset);
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EcmaString *GetOrInternStringWithSpaceType(EcmaVM *vm, const uint8_t *utf8Data, uint32_t utf16Len,
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MemSpaceType type);
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EcmaString *TryGetInternString(JSThread *thread, const JSHandle<EcmaString> &string);
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EcmaString *InsertStringToTable(EcmaVM *vm, const JSHandle<EcmaString> &strHandle);
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void SweepWeakReference(const WeakRootVisitor &visitor);
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bool CheckStringTableValidity(JSThread *thread);
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void RelocateConstantData(EcmaVM *vm, 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> GetStringThreadUnsafe(const JSHandle<EcmaString> &firstString,
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const JSHandle<EcmaString> &secondString) const;
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std::pair<EcmaString *, uint32_t> GetStringThreadUnsafe(const uint8_t *utf8Data, uint32_t utf8Len,
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bool canBeCompress) const;
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std::pair<EcmaString *, uint32_t> GetStringThreadUnsafe(const uint16_t *utf16Data, uint32_t utf16Len) const;
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EcmaString *GetStringThreadUnsafe(EcmaString *string) const;
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void InternStringThreadUnsafe(EcmaString *string);
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EcmaString *GetOrInternStringThreadUnsafe(EcmaVM *vm, EcmaString *string);
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void InsertStringIfNotExistThreadUnsafe(EcmaString *string)
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{
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EcmaString *str = GetStringThreadUnsafe(string);
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if (str == nullptr) {
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InternStringThreadUnsafe(string);
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}
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}
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CUnorderedMultiMap<uint32_t, EcmaString *> table_;
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Mutex mutex_;
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friend class SnapshotProcessor;
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friend class BaseDeserializer;
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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(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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SingleCharTable() = default;
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~SingleCharTable() = default;
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NO_COPY_SEMANTIC(SingleCharTable);
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NO_MOVE_SEMANTIC(SingleCharTable);
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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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