Re: [Boost-users] [boost::wave] Finding out if a macro is defined

From: Hartmut Kaiser (hartmut.kaiser_at_[hidden])
Date: 2007-03-06 14:30:49

Ovanes,

In fact the problems will be fixed in the upcoming 1.34 release as well. I
just commited the changes there as well.

Regards Hartmut
 
> Ovanes Markarian wrote:
> 
> > using boost::wave (with context initialized as explained in 
> the docs 
> > example) and trying to find out if some certain macro is 
> defined leads 
> > to 2 errors:
> > 1. Doc for context state:
> > bool is_defined_macro(std::string const &name) const;
> > 
> > But the source has no such function definition. I assume 
> the signature 
> > was changed to:
> > template <typename IteratorT2>
> > bool is_defined_macro(IteratorT2 const &begin, IteratorT2 
> const &end) 
> > { return macros.is_defined(begin, end); }
> 
> This is an oversight on my part. There was a function planned 
> as described in the docs, but somehow got lost in the 
> vault... I added it into the CVS::HEAD already.
> 
> > Trying to fix it and using the std::string::begin() and
> > std::string::end() members to specify the begin and end 
> range result 
> > in the error:
> 
> You did the right thing here.
> 
> [snipped the error explanation]
> 
> > I assume compiler dereferences iterator to char and char 
> has no member 
> > to get_value. Does anyone have suggestions?
> 
> That's a bug. It's fixed in CVS::HEAD now. You can work 
> around this problem for now by using a instance of 
> context_type::token_type::string_type instead of a 
> std::string for now.
> 
> I'll try to add these fixes to the upcoming release as well, 
> but will have to ask the release manager first.
> 
> Regards Hartmut
> 
> > 
> > 
> > 
> > With Kind Regards,
> > 
> > Ovanes Markarian
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