sO componentMetaSrc_verbose(Component c) {
  ret swing(-> {
    reMutable c;
    do {
      O src = getMetaSrc(c);
      print("Meta src of " + toStringWithIdentity(c) + ":\n  " + src);
      try object src;
    } while ((c = getParent(c)) != null);
    null;
  });
}