C++ WrapperMap类代码示例

    void trace(JSTracer* trc) override {
        CrossCompartmentKey prior = key;
        if (key.debugger)
            TraceManuallyBarrieredEdge(trc, &key.debugger, "CCW debugger");
        if (key.kind == CrossCompartmentKey::ObjectWrapper ||
            key.kind == CrossCompartmentKey::DebuggerObject ||
            key.kind == CrossCompartmentKey::DebuggerEnvironment ||
            key.kind == CrossCompartmentKey::DebuggerSource)
        {
            MOZ_ASSERT(IsInsideNursery(key.wrapped) ||
                       key.wrapped->asTenured().getTraceKind() == JS::TraceKind::Object);
            TraceManuallyBarrieredEdge(trc, reinterpret_cast<JSObject**>(&key.wrapped),
                                       "CCW wrapped object");
        }
        if (key.debugger == prior.debugger && key.wrapped == prior.wrapped)
            return;

        /* Look for the original entry, which might have been removed. */
        WrapperMap::Ptr p = map->lookup(prior);
        if (!p)
            return;

        /* Rekey the entry. */
        map->rekeyAs(prior, key, key);
    }

void BindingManager::visitAllPyObjects(ObjectVisitor visitor, void* data)
{
    WrapperMap copy = m_d->wrapperMapper;
    for (WrapperMap::iterator it = copy.begin(); it != copy.end(); ++it) {
        if (hasWrapper(it->first))
            visitor(it->second, data);
    }
}

JSInspectedObjectWrapper::JSInspectedObjectWrapper(ExecState* unwrappedExec, JSObject* unwrappedObject, JSValue* wrappedPrototype)
    : JSQuarantinedObjectWrapper(unwrappedExec, unwrappedObject, wrappedPrototype)
{
    WrapperMap* wrapperMap = wrappers().get(unwrappedGlobalObject());
    if (!wrapperMap) {
        wrapperMap = new WrapperMap;
        wrappers().set(unwrappedGlobalObject(), wrapperMap);
    }

    ASSERT(!wrapperMap->contains(unwrappedObject));
    wrapperMap->set(unwrappedObject, this);
}

JSInspectedObjectWrapper::~JSInspectedObjectWrapper()
{
    ASSERT(wrappers().contains(unwrappedGlobalObject()));
    WrapperMap* wrapperMap = wrappers().get(unwrappedGlobalObject());

    ASSERT(wrapperMap->contains(unwrappedObject()));
    wrapperMap->remove(unwrappedObject());

    if (wrapperMap->isEmpty()) {
        wrappers().remove(unwrappedGlobalObject());
        delete wrapperMap;
    }
}

    void trace(JSTracer* trc) override {
        CrossCompartmentKey prior = key;
        key.applyToWrapped(TraceFunctor(trc, "ccw wrapped"));
        key.applyToDebugger(TraceFunctor(trc, "ccw debugger"));
        if (key == prior)
            return;

        /* Look for the original entry, which might have been removed. */
        WrapperMap::Ptr p = map->lookup(prior);
        if (!p)
            return;

        /* Rekey the entry. */
        map->rekeyAs(prior, key, key);
    }

static void showWrapperMap(const WrapperMap& wrapperMap)
{
    if (Py_VerboseFlag > 0) {
        fprintf(stderr, "-------------------------------\n");
        fprintf(stderr, "WrapperMap: %p (size: %d)\n", &wrapperMap, (int) wrapperMap.size());
        WrapperMap::const_iterator iter;
        for (iter = wrapperMap.begin(); iter != wrapperMap.end(); ++iter) {
            fprintf(stderr, "key: %p, value: %p (%s, refcnt: %d)\n", iter->first,
                                                            iter->second,
                                                            Py_TYPE(iter->second)->tp_name,
                                                            (int) ((PyObject*)iter->second)->ob_refcnt);
        }
        fprintf(stderr, "-------------------------------\n");
    }
}

//--------------------------------------------------------------
/// Generates XML that describes the injected processes and which
/// plugins were injected.
/// \return string containing the XML
//--------------------------------------------------------------
gtASCIIString ProcessTracker::GetProcessesXML()
{
    std::unordered_map< DWORD, gtASCIIString > procXMLMap;

    this->UpdateListOfInjectedProcesses();

    ProcessInfoList injectedProcesses = this->GetListOfInjectedProcesses();

    WrapperMap wrappers = GetWrapperMap();

    // the strPlatform is named this way to match options in the client.
#ifdef X64
    gtASCIIString strPlatform = "Win64";
#else
    gtASCIIString strPlatform = "Win32";
#endif

#ifndef CODEXL_GRAPHICS

    if (injectedProcesses.empty() == true)
    {
        LogConsole(logERROR, "There are no processes running which have been injected with the GPU PerfStudio server plugin\n");
        LogConsole(logERROR, "Please ensure that the server has the same bitness as the target application\n");
        LogConsole(logERROR, "For example, use the 64-bit GPU PerfStudio server with a 64-bit application\n");
    }

#endif

    for (ProcessInfoList::iterator procIter = injectedProcesses.begin();
         procIter != injectedProcesses.end();
         ++procIter)
    {

        DWORD pid = procIter->th32ProcessID;

        // only add the process info if it wasn't already found.
        if (procXMLMap.find(pid) == procXMLMap.end())
        {
            // insert new process and the process info
            gtASCIIString tmpString = XML("Name", XMLEscape(procIter->szExeFile).asCharArray());
            tmpString += XML("PID", pid);
            tmpString += XML("Path", XMLEscape(procIter->szPath).asCharArray());
            tmpString += XML("Platform",  strPlatform.asCharArray());
            procXMLMap[ pid ] = tmpString;

            // if this process is the one that was launched, then we know what the args and working directory were.
            // we could probably get the actual args and working dir from MicroDLL if it is a different app though, which
            // would be the case if this app uses a launcher app.
            if (m_injectedAppName.compare(procIter->szPath) == 0)
            {
                tmpString = XML("Args", XMLEscape(m_injectedAppArgs.c_str()).asCharArray());
                tmpString += XML("WDir", XMLEscape(m_injectedAppDir.c_str()).asCharArray());
                procXMLMap[ pid ] += tmpString.asCharArray();
            }
        }

        // add an API node for each of the wrappers that are injected into the app
        for (WrapperMap::const_iterator wrapperIter = wrappers.begin(); wrapperIter != wrappers.end(); ++wrapperIter)
        {
            // List of plugin extensions to check for. On Windows, test for 32 and 64 bit plugins.
            // On linux, just check for the plugin corresponding to the server bitness
            static const char* pluginExtensions[] =
            {
#ifdef WIN32
                GDT_DEBUG_SUFFIX GDT_BUILD_SUFFIX "." DLL_EXTENSION,
                "-x64" GDT_DEBUG_SUFFIX GDT_BUILD_SUFFIX "." DLL_EXTENSION
#else
                GDT_PROJECT_SUFFIX "." DLL_EXTENSION
#endif
            };

            int numPlugins = sizeof(pluginExtensions) / sizeof(pluginExtensions[0]);

            for (int loop = 0; loop < numPlugins; loop++)
            {
                // check to see if this wrapper is in the application
                gtASCIIString strPluginName = wrapperIter->second.strPluginName;

                if (SG_GET_BOOL(OptionDllReplacement) == false)
                {
                    strPluginName += pluginExtensions[loop];
                }

                if (IsLibraryLoadedInProcess(pid, strPluginName.asCharArray(), NULL))
                {
                    bool attached = false;

                    if (g_activeWrappersMap.find(FormatText("%lu/%s", pid, wrapperIter->first.c_str()).asCharArray()) != g_activeWrappersMap.end())
                    {
                        // the pid/plugin string was listed in the active wrappers map, so the plugin must be active.
                        attached = true;
                    }

                    procXMLMap[pid] += XMLAttrib("API", FormatText("attached='%s'", attached ? "TRUE" : "FALSE").asCharArray(), wrapperIter->second.strPluginShortDesc.asCharArray());
                }
//.........这里部分代码省略.........