public void exit(object code)
 {
     // throw as a python exception here to get the args set.
     throw ExceptionConverter.CreateThrowable(ExceptionConverter.GetPythonExceptionByName("SystemExit"), code);
 }
 public void exit()
 {
     throw ExceptionConverter.CreateThrowable(ExceptionConverter.GetPythonExceptionByName("SystemExit"));
 }