using C++ classes from D

[Martin Nowak]

On Fri, 25 Nov 2011 08:22:34 +0100, Martin Nowak <dawg at dawgfoto.de> wrote:

> After going astray while doing C++ class bindings using smart_ptrs and  
> ugly
> mixins I think I found a really neat way.
> It consists of a C++ header that defines a d_new template function.
> It will allocate it's types from the D GC while hooking the C++ type's
> destructor to a D finalizer. It even allows for nested scanning of C++
> classes and allocating other data, e.g. arrays.
>
> To use C++ class from D one only needs to define one factory function and
> add the class declaration to a D source file and link in the d_new  
> module.
>
> Currently uses boost and offers no constructor arguments, due to the  
> dreaded
> forwarding problem.
>
> https://gist.github.com/1391734
>
> martin

It should actually be also possible to fake the complete C++ calling  
conventions
using extern(C) functions. Then a mangler can be library implemented and  
allowing almost full access.

proof of concept
https://gist.github.com/1394145

martin