Re: [Boost-users] Cannot get Wave + Spirit Compile

Subject: Re: [Boost-users] Cannot get Wave + Spirit Compile
From: Pekka Seppänen (pekka.seppanen_at_[hidden])
Date: 2011-08-29 09:43:27

On 29.8.2011 12:07, Alexander Feldman wrote:
> Hi,
> 
> I have (I suppose) a beginner problem -- cannot make wave + spirit
> compile. I think there is an iterator problem but I cannot understand
> the compiler error. I am attaching a small example and the error output
> - can somebody explain how to fix this? I have searched around a lot but
> can't find an answer to that.
> 

Hi,

you can't directly pass Wave iterators to Spirit (as you're doing now by
passing Wave's pp_iterator< .. > [the context_type::iterator_type] to Spirit's
phrase_parse.).

The easiest way, I believe, is to simply iterate thru Wave's pp_iterator to
generate a preprocessed string (so, instead of pushing your data to std::cout
push it to std::stringstream etc.). After you've done that, pass that string
to Spirit and it'll work.

I guess you could write a ForwardIterator that would directly pass data from
Wave to Spirit, but frankly speaking, I didn't even try that myself. Maybe try
that after you've experimented with the Wave+Spirit combination a bit more?

Br,
        Pekka