docs: @Override
  	public String getMessage() {
  		String ret = super.getMessage();
  		if (fileName != null) {
  			ret += (" in " + fileName);
  			if (lineNumber != -1) {
  				ret += " at line number " + lineNumber;
  			}
  
  			if (columnNumber != -1) {
  				ret += " at column number " + columnNumber;
  			}
  		}
  
  		return ret;
  	}