On Wednesday 07 December 2005 15:58, Michael Gogins wrote:

> Further to this, more thought says templates are not required. We just need
> an empty C++ callback class for each Csound API callback function
> signature, and we wrap it with SWIG "director" classes. Every language that
> supports directors (currently, Python and Java) will then allow the
> callback class to be subclassed in the language. The class will have a
> member function that directly returns the static actual callback function.

I was able to get working callbacks in Python and Java using
directors, although it seems that there are link errors due to
multiple definition of symbols if this is used in both wrappers
at the same time.


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