Re: [boost] Need help with BPL.

From: Markus Schöpflin (markus.schoepflin_at_[hidden])
Date: 2002-03-20 10:21:08

Vesa Karvonen wrote:
> 
> Ok. Here is what I'd do. I'd make a macro looking something like this:
> 
> #define DECLARE_FUNCTION(cc,ret_type,name,param_cnt,param_type_tuple)\
>   public:                                                            \
>     ret_type name(FORMAL_PARAM_LIST(param_cnt,param_type_tuple,p))   \
>     {return name##_ptr(BOOST_PP_ENUM_PARAMS(param_cnt,p));}          \
>   private:                                                           \
>     int (cc *name##_ptr)(FORMAL_PARAM_LIST(param_cnt,param_type_tuple,p))
> 
> The macro would then be used like this:
> 
>   DECLARE_FUNCTION(__stdcall, int, foo, 2, (int, float))
>   DECLARE_FUNCTION(__cdecl, int, bar, 1, (double))
> 
> (Alternatively you might use a list to pass the parameter types, but this
> would require more typing from the user.)
> 

[snip]

Thank you very much for your patience. This is exactly the solution I was looking for. Now the only thing left for me is to actually understand it. :-)

Markus