* @param start
   * @param end
   * @return int
   */
  static int helpAdvancePastWhitespace(String source, int start, int end) {
    while ((start < end) &&
        (Stella.$CHARACTER_TYPE_TABLE$[(int) (source.charAt(start))] == Stella.KWD_WHITE_SPACE)) {
      start = start + 1;
    }
    return (start);
  }