static String programID;

static String getProgramID() {
  return nempty(programID) ? formatSnippetIDOpt(programID) : "?";
}

// TODO: ask JavaX instead
static String getProgramID(Class c) {
  S id = (String) getOpt(c, "programID");
  if (nempty(id))
    ret formatSnippetID(id);
  ret "?";
}

static String getProgramID(Object o) {
  ret getProgramID(getMainClass(o));
}