docs: private void parse(TokenStream tokenStream) throws ParserException {
  	try {
  	    Parser parser = new SLR1Parser(uhuraGrammar);
  	    parserTree = parser.parse(tokenStream);
  	} catch (GrammarException e) {
  	    logger.error(e.getMessage(), e);
  	    throw new RuntimeException("UhuraGrammar is broken!!!");
  	}
      }