They use a code generator to implement reflection methods on classes marked with the Q_OBJECT macro. The output of that code generator is standard, readable C++

They use a code generator to implement reflection methods on classes marked with the Q_OBJECT macro. The output of that code generator is standard, readable C++. It was, and still is, a very useful, practical way of doing things. I can't say as to what Microsoft has done or not done, but I don't see anything immoral about the moc.