[Chicken-users] Re: easyffi c++ passing object pointers

[Dave]

Thanks, Felix, it works like a charm! It's getting almost too easy to 
interface to C++, you're going to spoil us :)

-Dave

felix wrote:

> Argh. I didn't think of this. It's currently not really possible
> to create a TinyCLOS instance from a C++ pointer. Thanks for pointing
> this out! I have now implemented the following (slightly crude) method: the
> initargs for the invocation of `make' can alternatively be the symbol 'this
> followed by a pointer, so you would have something like this:
>
> (define-entry-point 1 ((ptr c-pointer)) (int)
>  (let ([a (make <ClientApp> 'this a)])
>    (print (ChickenCallin a "bing"))
>    1) )
>
> Normally the initargs are passed to the C++ constructor. If 'this
> is given, the C++ constructor will not be invoked.
>
> I'll check this in the CVS in a few moments.
>
>
> cheers,
> felix