static Object processDebug(String processorID, Object in) {
  return processDebug(processorID, in, "in");
}

static Object processDebug(String processorID, Object in, String outVar) ctex {
  Class processor = hotwire(processorID);
  set(processor, "in", in);
  try {
    set(processor, "debug", true);
  } catch (Exception e) {}
  call(processor, "main", new Object[] {new String[0]});
  return get(processor, outVar);
}

Began life as a copy of #1000661