Run :meth:`process` and :meth:`show_source` after each other.

def process_and_show(self):
        """
        Run :meth:`process` and :meth:`show_source` after each other.
        """
        for name, klass in sorted(self.classes.items()):
            logger.debug('Processing class: %s', name)
            if not isinstance(klass, DvClass):
                klass = DvClass(klass, self.vma)
            klass.process()
            klass.show_source()