/* ==================== toDebugString ===================================== */
  public String toDebugString() {
    StringBuffer str = new StringBuffer(mySelf()+"\n");
    return str.toString();
  }

  /* ==================== addOption ===================================== */
  public void addOption(String option_name, int option_code, int has_opt_value, 
	ArrayList<ApwtclObj> default_value, HashMap<String, Integer>allowed_option_values) {
    CommandOption option = new CommandOption(interp, option_name, option_code, has_opt_value, default_value, 
    		allowed_option_values);
    option_list.put(option_name, option);
    opt_code2opt_name.put(option_code, option_name);
  }

  /* ==================== hasOption ===================================== */
  public boolean hasOption(String option_name) {
    if (option_list.get(option_name) != null) {
      return true;
    }
    return false;
  }

  /* ==================== optionHasValue ===================================== */
  public int optionHasValue(String option_name) {
    CommandOption option = option_list.get(option_name);
    if (option == null) {
      return 0;
    }
    return option.opt_has_value;
  }

  /* ==================== optionCode ===================================== */
  public int optionCode(String option_name) {
    CommandOption option = option_list.get(option_name);

  public void resetOptionValues() {
    option_values = new HashMap<String, ApwtclObj>();
  }

  /* ==================== parseOptions ===================================== */
  public int parseOptions(ArrayList<ApwtclObj> args, int start_idx, String msg_start) {
    String option;
    int option_has_value;

    num_processed_args = 0;
    option_flags = 0;
    err_msg = "";

    for (int i = start_idx; i < args.size(); i++) {
      option = args.get(i).getString();

           sep = ", ";
        }
        err_msg = msg.toString();
        return ERROR;
      }
      num_processed_args++;
      option_flags |= option_info.opt_code;
      option_has_value = optionHasValue(option);
      if (option_has_value != OPTION_HAS_NO_VALUE) {
    	/* check for option_has_value -1, if the next argument does not start with "-", then it is a value */
        if (option_has_value == OPTION_CAN_HAVE_VALUE && args.get(i + 1).getString().charAt(0) != '-') {
          option_has_value = OPTION_HAS_VALUE;
        }
        if (option_has_value == OPTION_HAS_VALUE) {
    	  i++;
          if (i == args.size()) {
            err_msg = msg_start+" must be an even number of option name and option value";
            return ERROR;
          }
          num_processed_args++;
          if (option_info.allowed_option_values != null) {
            if (option_info.allowed_option_values.get(args.get(i).getString()) == null) {
              err_msg = msg_start+" bad value for option \""+option+"\" must be: "+option_info.getAllowedOptionValues();
              return ERROR;
	        }
	      }
          option_values.put(option, args.get(i));
        }
      }
    }
//print("num_processed_args!"+num_processed_args+"!");
    return OK;
  }

}