public static boolean literal_operation(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "literal_operation")) return false;
    boolean r;
    Marker m = enter_section_(b, l, _COLLAPSE_, LITERAL_OPERATION, "<literal operation>");
    r = w(b, l + 1);
    while (r) {
      int c = current_position_(b);
      if (!w(b, l + 1)) break;
      if (!empty_element_parsed_guard_(b, "literal_operation", c)) break;
    }
    exit_section_(b, l, m, r, false, null);
    return r;
  }
public static boolean literal_operation(PsiBuilder b, int l)