qt-everywhere-src-5.15.1/qtdeclarative/tools/qmlprofiler/main.cpp

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#include "commandlistener.h"
#include "qmlprofilerapplication.h"

int main(int argc, char *argv[])
{
    QmlProfilerApplication app(argc, argv);

    app.parseArguments();

    if (app.isInteractive()) {
        QThread listenerThread;
        CommandListener listener;
        listener.moveToThread(&listenerThread);
        QObject::connect(&listener, &CommandListener::command,
                         &app, &QmlProfilerApplication::userCommand);
        QObject::connect(&app, &QmlProfilerApplication::readyForCommand,
                         &listener, &CommandListener::readCommand);
        listenerThread.start();
        int exitValue = app.exec();
        listenerThread.quit();
        // wait for listener to exit
        listenerThread.wait();
        return exitValue;
    } else {
        int exitValue = app.exec();
        app.outputData();
        return exitValue;
    }
}