def _dump(self):
        """For debugging, dump the entire data structure."""
        pp = pprint.PrettyPrinter(indent=4)

        print("=== Variables ===")
        print("-- Globals --")
        pp.pprint(self._global)
        print("-- Bot vars --")
        pp.pprint(self._var)
        print("-- Substitutions --")
        pp.pprint(self._sub)
        print("-- Person Substitutions --")
        pp.pprint(self._person)
        print("-- Arrays --")
        pp.pprint(self._array)

        print("=== Topic Structure ===")
        pp.pprint(self._topics)
        print("=== %Previous Structure ===")
        pp.pprint(self._thats)

        print("=== Includes ===")
        pp.pprint(self._includes)

        print("=== Inherits ===")
        pp.pprint(self._lineage)

        print("=== Sort Buffer ===")
        pp.pprint(self._sorted)

        print("=== Syntax Tree ===")
        pp.pprint(self._syntax)
For debugging, dump the entire data structure.