Re: [boost] Spirit rules

From: Joel de Guzman (djowel_at_[hidden])
Date: 2003-07-16 18:23:54

Kai-Mikael Jää-Aro <kai_at_[hidden]> wrote:
> I obviously have not understood how spirit rules are supposed to work.  The
> simple program below fails to compile (spewing out 42 lines of error
> messages). If I replace the application of 'Id' with int_p directly it works
> OK.
> What am I supposed to do to get the intended effect?
>
>
> #include <iostream>
> #include <boost/spirit.hpp>
>
> using namespace std;
> using namespace boost::spirit;
>
> int main(int *argc, char *argv[])
> {
>
>    int ID;
>
>    rule<> Id = int_p;
>
>    if (parse(argv[1],
>     Id [assign(ID)],
>     space_p).full)
>      {
>        cout << "Value = " << ID << endl;
>      }
>    else
>      {
>        cout << "Failed\n";
>      }
> }

Hi,

See the FAQ "The Scanner Business". It's always a good idea
to scan the FAQ first.

BTW, Spirit has its own mailing list:

Spirit-general mailing list
Spirit-general_at_[hidden]
https://lists.sourceforge.net/lists/listinfo/spirit-general

Cheers,
--
Joel de Guzman
joel at boost-consulting.com
http://www.boost-consulting.com
http://spirit.sf.net