code: public static QueryParser parser(CommonTokenStream tokens) {
          QueryParser parser = new QueryParser(tokens);
          parser.setErrorHandler(new BailErrorStrategy());
          return parser;
      }
docs: <p>parser.</p>
  
  @param tokens a {@link org.antlr.v4.runtime.CommonTokenStream} object.
  @return a {@link ameba.db.dsl.QueryParser} object.