[fpc-devel] C++ Linking technology

Daniël Mantione daniel.mantione at freepascal.org
Fri Apr 27 11:05:57 CEST 2007



Op Fri, 27 Apr 2007, schreef Felipe Monteiro de Carvalho:

> Hallo,
> 
> Another day Florian was talking about the cppclass, a experimental
> feature to link to c++
> 
> I would like to know: Could someone inherit a class based on cppclass
> with only external functions and then add to it it´s own methods and
> fields?
> 
> If this doesn´t exist yet, I would say it would be a good adition,
> because then one can use the c++ classes like they are often used on
> c++ app: By inheriting them and adding your own code.
> 
> This is a very specific question, so I could just ask Florian
> directly, but I guess that here everyone will have access to the
> answer =)

To be able to support such a thing you would have to implement all 
features of C++ objects into Pascal, effectively turning Pascal into C++ 
with a different syntax. The proper way would be to have the C++ class 
implement a Pascal interface, so it can interoperate with Pascal code.

Daniël


More information about the fpc-devel mailing list