arkcompiler_ets_runtime/ecmascript/patch/quick_fix_manager.h

/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef ECMASCRIPT_PATCH_QUICK_FIX_MANAGER_H
#define ECMASCRIPT_PATCH_QUICK_FIX_MANAGER_H

#include "ecmascript/js_function.h"
#include "ecmascript/napi/include/jsnapi.h"
#include "ecmascript/patch/patch_loader.h"

namespace panda::ecmascript {
using PatchErrorCode = panda::JSNApi::PatchErrorCode;
class QuickFixManager {
public:
    QuickFixManager() = default;
    ~QuickFixManager();

    void RegisterQuickFixQueryFunc(const std::function<bool(std::string baseFileName,
                        std::string &patchFileName,
                        void **patchBuffer,
                        size_t &patchSize)> callBack);
    void LoadPatchIfNeeded(JSThread *thread, const JSPandaFile *baseFile);
    PatchErrorCode LoadPatch(JSThread *thread, const std::string &patchFileName, const std::string &baseFileName);
    PatchErrorCode LoadPatch(JSThread *thread,
                             const std::string &patchFileName, const void *patchBuffer, size_t patchSize,
                             const std::string &baseFileName, const void *baseBuffer, size_t baseSize);
    PatchErrorCode UnloadPatch(JSThread *thread, const std::string &patchFileName);
    bool IsQuickFixCausedException(JSThread *thread,
                                   const JSHandle<JSTaggedValue> &exceptionInfo,
                                   const std::string &patchFileName);
    JSTaggedValue CheckAndGetPatch(JSThread *thread, const JSPandaFile *baseFile, EntityId baseMethodId);
    inline static void SetPatchModule(JSThread *thread, const JSHandle<Method> &methodHandle,
                                      const JSHandle<JSFunction> &func)
    {
        auto coldReloadRecordName =
            MethodLiteral::GetRecordName(methodHandle->GetJSPandaFile(), methodHandle->GetMethodId());
        const JSHandle<JSTaggedValue> resolvedModule =
            thread->GetCurrentEcmaContext()->FindPatchModule(coldReloadRecordName);
        if (!resolvedModule->IsHole()) {
            func->SetModule(thread, resolvedModule.GetTaggedValue());
        }
    }
private:
    // check whether the callback is registered.
    bool HasQueryQuickFixInfoFunc() const
    {
        return callBack_ != nullptr;
    }

    CUnorderedSet<CString> ParseStackInfo(const CString &stackInfo);

    // key: baseFileName
    CMap<CString, PatchInfo> methodInfos_ {};
    std::function<bool(std::string baseFileName,
                        std::string &patchFileName,
                        void **patchBuffer,
                        size_t &patchSize)> callBack_;
    CMap<uint32_t, CString> baseClassInfo_ {};
};
}  // namespace panda::ecmascript
#endif // ECMASCRIPT_PATCH_QUICK_FIX_MANAGER_H