Help for this page

Select Code to Download


  1. or download this
    # ( a OR b ) AND ( c ) NOT ( d ) AND ( e OR f )
[
...
   [ NOT => 'd' ],
   [ AND => 'e', 'f' ],
]
  2. or download this
    # make_parser.pl

...

Parse::RecDescent->Precompile($grammar, "QueryParser")
   or die("Bad grammar\n");
  3. or download this
    # query_parser.pl

...
      display($expr, $tree);
   }
}