code: private void throwMessage(int number, String msg) throws LexException
  	{
  		throwMessage(number, linecount, charpos, msg);
  	}
docs: Throw a {@link LexException} with the given message and details of the current file and position appended.
  
  @param number
  The error number.
  @param msg
  The basic error message.
  @throws LexException