public static boolean reg_name(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "reg_name")) return false;
    Marker m = enter_section_(b, l, _NONE_, REG_NAME, "<reg name>");
    while (true) {
      int c = current_position_(b);
      if (!reg_name_0(b, l + 1)) break;
      if (!empty_element_parsed_guard_(b, "reg_name", c)) break;
    }
    exit_section_(b, l, m, true, false, null);
    return true;
  }
public static boolean reg_name(PsiBuilder b, int l)